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3185942a | 1 | /* A Bison parser, made by GNU Bison 2.3. */ |
b80f6443 | 2 | |
3185942a | 3 | /* Skeleton implementation for Bison's Yacc-like parsers in C |
b80f6443 | 4 | |
3185942a JA |
5 | Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
6 | Free Software Foundation, Inc. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
21 | Boston, MA 02110-1301, USA. */ | |
22 | ||
23 | /* As a special exception, you may create a larger work that contains | |
24 | part or all of the Bison parser skeleton and distribute that work | |
25 | under terms of your choice, so long as that work isn't itself a | |
26 | parser generator using the skeleton or a modified version thereof | |
27 | as a parser skeleton. Alternatively, if you modify or redistribute | |
28 | the parser skeleton itself, you may (at your option) remove this | |
29 | special exception, which will cause the skeleton and the resulting | |
30 | Bison output files to be licensed under the GNU General Public | |
31 | License without this special exception. | |
32 | ||
33 | This special exception was added by the Free Software Foundation in | |
34 | version 2.2 of Bison. */ | |
35 | ||
36 | /* C LALR(1) parser skeleton written by Richard Stallman, by | |
37 | simplifying the original so-called "semantic" parser. */ | |
38 | ||
39 | /* All symbols defined below should begin with yy or YY, to avoid | |
40 | infringing on user name space. This should be done even for local | |
41 | variables, as they might otherwise be expanded by user macros. | |
42 | There are some unavoidable exceptions within include files to | |
43 | define necessary library symbols; they are noted "INFRINGES ON | |
44 | USER NAME SPACE" below. */ | |
45 | ||
46 | /* Identify Bison output. */ | |
47 | #define YYBISON 1 | |
48 | ||
49 | /* Bison version. */ | |
50 | #define YYBISON_VERSION "2.3" | |
51 | ||
52 | /* Skeleton name. */ | |
53 | #define YYSKELETON_NAME "yacc.c" | |
54 | ||
55 | /* Pure parsers. */ | |
56 | #define YYPURE 0 | |
57 | ||
58 | /* Using locations. */ | |
59 | #define YYLSP_NEEDED 0 | |
60 | ||
61 | ||
62 | ||
63 | /* Tokens. */ | |
64 | #ifndef YYTOKENTYPE | |
65 | # define YYTOKENTYPE | |
66 | /* Put the tokens into the symbol table, so that GDB and other debuggers | |
67 | know about them. */ | |
68 | enum yytokentype { | |
69 | IF = 258, | |
70 | THEN = 259, | |
71 | ELSE = 260, | |
72 | ELIF = 261, | |
73 | FI = 262, | |
74 | CASE = 263, | |
75 | ESAC = 264, | |
76 | FOR = 265, | |
77 | SELECT = 266, | |
78 | WHILE = 267, | |
79 | UNTIL = 268, | |
80 | DO = 269, | |
81 | DONE = 270, | |
82 | FUNCTION = 271, | |
83 | COPROC = 272, | |
84 | COND_START = 273, | |
85 | COND_END = 274, | |
86 | COND_ERROR = 275, | |
87 | IN = 276, | |
88 | BANG = 277, | |
89 | TIME = 278, | |
90 | TIMEOPT = 279, | |
495aee44 CR |
91 | TIMEIGN = 280, |
92 | WORD = 281, | |
93 | ASSIGNMENT_WORD = 282, | |
94 | REDIR_WORD = 283, | |
95 | NUMBER = 284, | |
96 | ARITH_CMD = 285, | |
97 | ARITH_FOR_EXPRS = 286, | |
98 | COND_CMD = 287, | |
99 | AND_AND = 288, | |
100 | OR_OR = 289, | |
101 | GREATER_GREATER = 290, | |
102 | LESS_LESS = 291, | |
103 | LESS_AND = 292, | |
104 | LESS_LESS_LESS = 293, | |
105 | GREATER_AND = 294, | |
106 | SEMI_SEMI = 295, | |
107 | SEMI_AND = 296, | |
108 | SEMI_SEMI_AND = 297, | |
109 | LESS_LESS_MINUS = 298, | |
110 | AND_GREATER = 299, | |
111 | AND_GREATER_GREATER = 300, | |
112 | LESS_GREATER = 301, | |
113 | GREATER_BAR = 302, | |
114 | BAR_AND = 303, | |
115 | yacc_EOF = 304 | |
3185942a JA |
116 | }; |
117 | #endif | |
118 | /* Tokens. */ | |
119 | #define IF 258 | |
120 | #define THEN 259 | |
121 | #define ELSE 260 | |
122 | #define ELIF 261 | |
123 | #define FI 262 | |
124 | #define CASE 263 | |
125 | #define ESAC 264 | |
126 | #define FOR 265 | |
127 | #define SELECT 266 | |
128 | #define WHILE 267 | |
129 | #define UNTIL 268 | |
130 | #define DO 269 | |
131 | #define DONE 270 | |
132 | #define FUNCTION 271 | |
133 | #define COPROC 272 | |
134 | #define COND_START 273 | |
135 | #define COND_END 274 | |
136 | #define COND_ERROR 275 | |
137 | #define IN 276 | |
138 | #define BANG 277 | |
139 | #define TIME 278 | |
140 | #define TIMEOPT 279 | |
495aee44 CR |
141 | #define TIMEIGN 280 |
142 | #define WORD 281 | |
143 | #define ASSIGNMENT_WORD 282 | |
144 | #define REDIR_WORD 283 | |
145 | #define NUMBER 284 | |
146 | #define ARITH_CMD 285 | |
147 | #define ARITH_FOR_EXPRS 286 | |
148 | #define COND_CMD 287 | |
149 | #define AND_AND 288 | |
150 | #define OR_OR 289 | |
151 | #define GREATER_GREATER 290 | |
152 | #define LESS_LESS 291 | |
153 | #define LESS_AND 292 | |
154 | #define LESS_LESS_LESS 293 | |
155 | #define GREATER_AND 294 | |
156 | #define SEMI_SEMI 295 | |
157 | #define SEMI_AND 296 | |
158 | #define SEMI_SEMI_AND 297 | |
159 | #define LESS_LESS_MINUS 298 | |
160 | #define AND_GREATER 299 | |
161 | #define AND_GREATER_GREATER 300 | |
162 | #define LESS_GREATER 301 | |
163 | #define GREATER_BAR 302 | |
164 | #define BAR_AND 303 | |
165 | #define yacc_EOF 304 | |
3185942a JA |
166 | |
167 | ||
168 | ||
169 | ||
170 | /* Copy the first part of user declarations. */ | |
ac50fbac | 171 | #line 21 "/usr/homes/chet/src/bash/src/parse.y" |
f73dda09 | 172 | |
ccc6cda3 JA |
173 | #include "config.h" |
174 | ||
726f6388 | 175 | #include "bashtypes.h" |
726f6388 | 176 | #include "bashansi.h" |
ccc6cda3 | 177 | |
28ef6c31 JA |
178 | #include "filecntl.h" |
179 | ||
ccc6cda3 JA |
180 | #if defined (HAVE_UNISTD_H) |
181 | # include <unistd.h> | |
182 | #endif | |
183 | ||
184 | #if defined (HAVE_LOCALE_H) | |
185 | # include <locale.h> | |
186 | #endif | |
187 | ||
188 | #include <stdio.h> | |
f73dda09 | 189 | #include "chartypes.h" |
ccc6cda3 JA |
190 | #include <signal.h> |
191 | ||
192 | #include "memalloc.h" | |
193 | ||
b80f6443 JA |
194 | #include "bashintl.h" |
195 | ||
7117c2d2 JA |
196 | #define NEED_STRFTIME_DECL /* used in externs.h */ |
197 | ||
726f6388 | 198 | #include "shell.h" |
ac50fbac | 199 | #include "typemax.h" /* SIZE_MAX if needed */ |
ccc6cda3 | 200 | #include "trap.h" |
726f6388 | 201 | #include "flags.h" |
ccc6cda3 JA |
202 | #include "parser.h" |
203 | #include "mailcheck.h" | |
f73dda09 | 204 | #include "test.h" |
95732b49 | 205 | #include "builtins.h" |
ccc6cda3 JA |
206 | #include "builtins/common.h" |
207 | #include "builtins/builtext.h" | |
726f6388 | 208 | |
7117c2d2 JA |
209 | #include "shmbutil.h" |
210 | ||
726f6388 | 211 | #if defined (READLINE) |
ccc6cda3 | 212 | # include "bashline.h" |
726f6388 JA |
213 | # include <readline/readline.h> |
214 | #endif /* READLINE */ | |
215 | ||
216 | #if defined (HISTORY) | |
217 | # include "bashhist.h" | |
218 | # include <readline/history.h> | |
219 | #endif /* HISTORY */ | |
220 | ||
221 | #if defined (JOB_CONTROL) | |
222 | # include "jobs.h" | |
223 | #endif /* JOB_CONTROL */ | |
224 | ||
225 | #if defined (ALIAS) | |
226 | # include "alias.h" | |
b80f6443 JA |
227 | #else |
228 | typedef void *alias_t; | |
726f6388 JA |
229 | #endif /* ALIAS */ |
230 | ||
231 | #if defined (PROMPT_STRING_DECODE) | |
cce855bc JA |
232 | # ifndef _MINIX |
233 | # include <sys/param.h> | |
234 | # endif | |
235 | # include <time.h> | |
7117c2d2 JA |
236 | # if defined (TM_IN_SYS_TIME) |
237 | # include <sys/types.h> | |
238 | # include <sys/time.h> | |
239 | # endif /* TM_IN_SYS_TIME */ | |
cce855bc | 240 | # include "maxpath.h" |
726f6388 JA |
241 | #endif /* PROMPT_STRING_DECODE */ |
242 | ||
ccc6cda3 JA |
243 | #define RE_READ_TOKEN -99 |
244 | #define NO_EXPANSION -100 | |
245 | ||
7117c2d2 JA |
246 | #ifdef DEBUG |
247 | # define YYDEBUG 1 | |
248 | #else | |
249 | # define YYDEBUG 0 | |
250 | #endif | |
251 | ||
252 | #if defined (HANDLE_MULTIBYTE) | |
253 | # define last_shell_getc_is_singlebyte \ | |
254 | ((shell_input_line_index > 1) \ | |
255 | ? shell_input_line_property[shell_input_line_index - 1] \ | |
256 | : 1) | |
257 | # define MBTEST(x) ((x) && last_shell_getc_is_singlebyte) | |
258 | #else | |
259 | # define last_shell_getc_is_singlebyte 1 | |
260 | # define MBTEST(x) ((x)) | |
261 | #endif | |
ccc6cda3 | 262 | |
cce855bc | 263 | #if defined (EXTENDED_GLOB) |
cce855bc JA |
264 | extern int extended_glob; |
265 | #endif | |
266 | ||
726f6388 | 267 | extern int eof_encountered; |
ccc6cda3 | 268 | extern int no_line_editing, running_under_emacs; |
726f6388 | 269 | extern int current_command_number; |
3185942a | 270 | extern int sourcelevel, parse_and_execute_level; |
726f6388 JA |
271 | extern int posixly_correct; |
272 | extern int last_command_exit_value; | |
0001803f | 273 | extern pid_t last_command_subst_pid; |
726f6388 | 274 | extern char *shell_name, *current_host_name; |
ccc6cda3 JA |
275 | extern char *dist_version; |
276 | extern int patch_level; | |
cce855bc | 277 | extern int dump_translatable_strings, dump_po_strings; |
f73dda09 | 278 | extern sh_builtin_func_t *last_shell_builtin, *this_shell_builtin; |
726f6388 JA |
279 | #if defined (BUFFERED_INPUT) |
280 | extern int bash_input_fd_changed; | |
281 | #endif | |
282 | ||
bb70624e | 283 | extern int errno; |
726f6388 JA |
284 | /* **************************************************************** */ |
285 | /* */ | |
286 | /* "Forward" declarations */ | |
287 | /* */ | |
288 | /* **************************************************************** */ | |
289 | ||
f73dda09 JA |
290 | #ifdef DEBUG |
291 | static void debug_parser __P((int)); | |
292 | #endif | |
293 | ||
294 | static int yy_getc __P((void)); | |
295 | static int yy_ungetc __P((int)); | |
296 | ||
297 | #if defined (READLINE) | |
298 | static int yy_readline_get __P((void)); | |
299 | static int yy_readline_unget __P((int)); | |
300 | #endif | |
301 | ||
302 | static int yy_string_get __P((void)); | |
303 | static int yy_string_unget __P((int)); | |
3185942a | 304 | static void rewind_input_string __P((void)); |
f73dda09 JA |
305 | static int yy_stream_get __P((void)); |
306 | static int yy_stream_unget __P((int)); | |
307 | ||
308 | static int shell_getc __P((int)); | |
309 | static void shell_ungetc __P((int)); | |
310 | static void discard_until __P((int)); | |
311 | ||
312 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) | |
313 | static void push_string __P((char *, int, alias_t *)); | |
314 | static void pop_string __P((void)); | |
315 | static void free_string_list __P((void)); | |
316 | #endif | |
317 | ||
318 | static char *read_a_line __P((int)); | |
319 | ||
f73dda09 JA |
320 | static int reserved_word_acceptable __P((int)); |
321 | static int yylex __P((void)); | |
322 | static int alias_expand_token __P((char *)); | |
323 | static int time_command_acceptable __P((void)); | |
324 | static int special_case_tokens __P((char *)); | |
325 | static int read_token __P((int)); | |
326 | static char *parse_matched_pair __P((int, int, int, int *, int)); | |
3185942a | 327 | static char *parse_comsub __P((int, int, int, int *, int)); |
7117c2d2 JA |
328 | #if defined (ARRAY_VARS) |
329 | static char *parse_compound_assignment __P((int *)); | |
330 | #endif | |
f73dda09 | 331 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
7117c2d2 | 332 | static int parse_dparen __P((int)); |
b80f6443 | 333 | static int parse_arith_cmd __P((char **, int)); |
f73dda09 | 334 | #endif |
cce855bc | 335 | #if defined (COND_COMMAND) |
7117c2d2 | 336 | static void cond_error __P((void)); |
f73dda09 JA |
337 | static COND_COM *cond_expr __P((void)); |
338 | static COND_COM *cond_or __P((void)); | |
339 | static COND_COM *cond_and __P((void)); | |
340 | static COND_COM *cond_term __P((void)); | |
341 | static int cond_skip_newlines __P((void)); | |
342 | static COMMAND *parse_cond_command __P((void)); | |
cce855bc | 343 | #endif |
7117c2d2 JA |
344 | #if defined (ARRAY_VARS) |
345 | static int token_is_assignment __P((char *, int)); | |
346 | static int token_is_ident __P((char *, int)); | |
347 | #endif | |
f73dda09 JA |
348 | static int read_token_word __P((int)); |
349 | static void discard_parser_constructs __P((int)); | |
726f6388 | 350 | |
7117c2d2 JA |
351 | static char *error_token_from_token __P((int)); |
352 | static char *error_token_from_text __P((void)); | |
353 | static void print_offending_line __P((void)); | |
f73dda09 | 354 | static void report_syntax_error __P((char *)); |
7117c2d2 | 355 | |
f73dda09 JA |
356 | static void handle_eof_input_unit __P((void)); |
357 | static void prompt_again __P((void)); | |
d166f048 | 358 | #if 0 |
f73dda09 | 359 | static void reset_readline_prompt __P((void)); |
d166f048 | 360 | #endif |
f73dda09 | 361 | static void print_prompt __P((void)); |
726f6388 | 362 | |
7117c2d2 JA |
363 | #if defined (HANDLE_MULTIBYTE) |
364 | static void set_line_mbstate __P((void)); | |
365 | static char *shell_input_line_property = NULL; | |
366 | #else | |
367 | # define set_line_mbstate() | |
368 | #endif | |
369 | ||
f73dda09 | 370 | extern int yyerror __P((const char *)); |
d166f048 | 371 | |
7117c2d2 JA |
372 | #ifdef DEBUG |
373 | extern int yydebug; | |
374 | #endif | |
375 | ||
ccc6cda3 JA |
376 | /* Default prompt strings */ |
377 | char *primary_prompt = PPROMPT; | |
378 | char *secondary_prompt = SPROMPT; | |
379 | ||
726f6388 JA |
380 | /* PROMPT_STRING_POINTER points to one of these, never to an actual string. */ |
381 | char *ps1_prompt, *ps2_prompt; | |
382 | ||
383 | /* Handle on the current prompt string. Indirectly points through | |
384 | ps1_ or ps2_prompt. */ | |
385 | char **prompt_string_pointer = (char **)NULL; | |
386 | char *current_prompt_string; | |
387 | ||
ccc6cda3 JA |
388 | /* Non-zero means we expand aliases in commands. */ |
389 | int expand_aliases = 0; | |
390 | ||
391 | /* If non-zero, the decoded prompt string undergoes parameter and | |
392 | variable substitution, command substitution, arithmetic substitution, | |
393 | string expansion, process substitution, and quote removal in | |
394 | decode_prompt_string. */ | |
395 | int promptvars = 1; | |
396 | ||
b80f6443 JA |
397 | /* If non-zero, $'...' and $"..." are expanded when they appear within |
398 | a ${...} expansion, even when the expansion appears within double | |
399 | quotes. */ | |
400 | int extended_quote = 1; | |
401 | ||
726f6388 | 402 | /* The number of lines read from input while creating the current command. */ |
ccc6cda3 | 403 | int current_command_line_count; |
726f6388 | 404 | |
495aee44 CR |
405 | /* The number of lines in a command saved while we run parse_and_execute */ |
406 | int saved_command_line_count; | |
407 | ||
3185942a JA |
408 | /* The token that currently denotes the end of parse. */ |
409 | int shell_eof_token; | |
410 | ||
411 | /* The token currently being read. */ | |
412 | int current_token; | |
413 | ||
0001803f CR |
414 | /* The current parser state. */ |
415 | int parser_state; | |
416 | ||
726f6388 JA |
417 | /* Variables to manage the task of reading here documents, because we need to |
418 | defer the reading until after a complete command has been collected. */ | |
419 | static REDIRECT *redir_stack[10]; | |
ccc6cda3 | 420 | int need_here_doc; |
726f6388 JA |
421 | |
422 | /* Where shell input comes from. History expansion is performed on each | |
423 | line when the shell is interactive. */ | |
424 | static char *shell_input_line = (char *)NULL; | |
ac50fbac CR |
425 | static size_t shell_input_line_index; |
426 | static size_t shell_input_line_size; /* Amount allocated for shell_input_line. */ | |
427 | static size_t shell_input_line_len; /* strlen (shell_input_line) */ | |
726f6388 JA |
428 | |
429 | /* Either zero or EOF. */ | |
ccc6cda3 JA |
430 | static int shell_input_line_terminator; |
431 | ||
432 | /* The line number in a script on which a function definition starts. */ | |
433 | static int function_dstart; | |
434 | ||
435 | /* The line number in a script on which a function body starts. */ | |
436 | static int function_bstart; | |
726f6388 | 437 | |
bb70624e JA |
438 | /* The line number in a script at which an arithmetic for command starts. */ |
439 | static int arith_for_lineno; | |
440 | ||
0001803f CR |
441 | /* The decoded prompt string. Used if READLINE is not defined or if |
442 | editing is turned off. Analogous to current_readline_prompt. */ | |
443 | static char *current_decoded_prompt; | |
3185942a JA |
444 | |
445 | /* The last read token, or NULL. read_token () uses this for context | |
446 | checking. */ | |
447 | static int last_read_token; | |
448 | ||
449 | /* The token read prior to last_read_token. */ | |
450 | static int token_before_that; | |
451 | ||
452 | /* The token read prior to token_before_that. */ | |
453 | static int two_tokens_ago; | |
454 | ||
0001803f CR |
455 | static int global_extglob; |
456 | ||
b80f6443 JA |
457 | /* The line number in a script where the word in a `case WORD', `select WORD' |
458 | or `for WORD' begins. This is a nested command maximum, since the array | |
459 | index is decremented after a case, select, or for command is parsed. */ | |
460 | #define MAX_CASE_NEST 128 | |
461 | static int word_lineno[MAX_CASE_NEST]; | |
462 | static int word_top = -1; | |
463 | ||
464 | /* If non-zero, it is the token that we want read_token to return | |
465 | regardless of what text is (or isn't) present to be read. This | |
466 | is reset by read_token. If token_to_read == WORD or | |
467 | ASSIGNMENT_WORD, yylval.word should be set to word_desc_to_read. */ | |
468 | static int token_to_read; | |
469 | static WORD_DESC *word_desc_to_read; | |
470 | ||
0001803f | 471 | static REDIRECTEE source; |
726f6388 | 472 | static REDIRECTEE redir; |
f73dda09 | 473 | |
3185942a JA |
474 | |
475 | /* Enabling traces. */ | |
476 | #ifndef YYDEBUG | |
477 | # define YYDEBUG 0 | |
478 | #endif | |
479 | ||
480 | /* Enabling verbose error messages. */ | |
481 | #ifdef YYERROR_VERBOSE | |
482 | # undef YYERROR_VERBOSE | |
483 | # define YYERROR_VERBOSE 1 | |
484 | #else | |
485 | # define YYERROR_VERBOSE 0 | |
486 | #endif | |
487 | ||
488 | /* Enabling the token table. */ | |
489 | #ifndef YYTOKEN_TABLE | |
490 | # define YYTOKEN_TABLE 0 | |
491 | #endif | |
492 | ||
493 | #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED | |
494 | typedef union YYSTYPE | |
ac50fbac | 495 | #line 324 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 496 | { |
726f6388 JA |
497 | WORD_DESC *word; /* the word that we read. */ |
498 | int number; /* the number that we read. */ | |
499 | WORD_LIST *word_list; | |
500 | COMMAND *command; | |
501 | REDIRECT *redirect; | |
502 | ELEMENT element; | |
503 | PATTERN_LIST *pattern; | |
3185942a | 504 | } |
509a4430 | 505 | /* Line 193 of yacc.c. */ |
ac50fbac | 506 | #line 507 "y.tab.c" |
3185942a JA |
507 | YYSTYPE; |
508 | # define yystype YYSTYPE /* obsolescent; will be withdrawn */ | |
509 | # define YYSTYPE_IS_DECLARED 1 | |
510 | # define YYSTYPE_IS_TRIVIAL 1 | |
511 | #endif | |
512 | ||
513 | ||
514 | ||
515 | /* Copy the second part of user declarations. */ | |
516 | ||
517 | ||
518 | /* Line 216 of yacc.c. */ | |
ac50fbac | 519 | #line 520 "y.tab.c" |
b80f6443 | 520 | |
3185942a JA |
521 | #ifdef short |
522 | # undef short | |
f73dda09 | 523 | #endif |
3185942a JA |
524 | |
525 | #ifdef YYTYPE_UINT8 | |
526 | typedef YYTYPE_UINT8 yytype_uint8; | |
527 | #else | |
528 | typedef unsigned char yytype_uint8; | |
f73dda09 JA |
529 | #endif |
530 | ||
3185942a JA |
531 | #ifdef YYTYPE_INT8 |
532 | typedef YYTYPE_INT8 yytype_int8; | |
533 | #elif (defined __STDC__ || defined __C99__FUNC__ \ | |
534 | || defined __cplusplus || defined _MSC_VER) | |
535 | typedef signed char yytype_int8; | |
536 | #else | |
537 | typedef short int yytype_int8; | |
538 | #endif | |
f73dda09 | 539 | |
3185942a JA |
540 | #ifdef YYTYPE_UINT16 |
541 | typedef YYTYPE_UINT16 yytype_uint16; | |
542 | #else | |
543 | typedef unsigned short int yytype_uint16; | |
544 | #endif | |
f73dda09 | 545 | |
3185942a JA |
546 | #ifdef YYTYPE_INT16 |
547 | typedef YYTYPE_INT16 yytype_int16; | |
548 | #else | |
549 | typedef short int yytype_int16; | |
550 | #endif | |
f73dda09 | 551 | |
3185942a JA |
552 | #ifndef YYSIZE_T |
553 | # ifdef __SIZE_TYPE__ | |
554 | # define YYSIZE_T __SIZE_TYPE__ | |
555 | # elif defined size_t | |
556 | # define YYSIZE_T size_t | |
557 | # elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ | |
558 | || defined __cplusplus || defined _MSC_VER) | |
559 | # include <stddef.h> /* INFRINGES ON USER NAME SPACE */ | |
560 | # define YYSIZE_T size_t | |
561 | # else | |
562 | # define YYSIZE_T unsigned int | |
563 | # endif | |
564 | #endif | |
b80f6443 | 565 | |
3185942a | 566 | #define YYSIZE_MAXIMUM ((YYSIZE_T) -1) |
f73dda09 | 567 | |
3185942a | 568 | #ifndef YY_ |
509a4430 | 569 | # if defined YYENABLE_NLS && YYENABLE_NLS |
3185942a JA |
570 | # if ENABLE_NLS |
571 | # include <libintl.h> /* INFRINGES ON USER NAME SPACE */ | |
572 | # define YY_(msgid) dgettext ("bison-runtime", msgid) | |
573 | # endif | |
574 | # endif | |
575 | # ifndef YY_ | |
576 | # define YY_(msgid) msgid | |
577 | # endif | |
f73dda09 JA |
578 | #endif |
579 | ||
3185942a JA |
580 | /* Suppress unused-variable warnings by "using" E. */ |
581 | #if ! defined lint || defined __GNUC__ | |
582 | # define YYUSE(e) ((void) (e)) | |
583 | #else | |
584 | # define YYUSE(e) /* empty */ | |
f73dda09 JA |
585 | #endif |
586 | ||
3185942a JA |
587 | /* Identity function, used to suppress warnings about constant conditions. */ |
588 | #ifndef lint | |
589 | # define YYID(n) (n) | |
590 | #else | |
591 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
592 | || defined __cplusplus || defined _MSC_VER) | |
593 | static int | |
594 | YYID (int i) | |
595 | #else | |
596 | static int | |
597 | YYID (i) | |
598 | int i; | |
599 | #endif | |
600 | { | |
601 | return i; | |
602 | } | |
603 | #endif | |
604 | ||
605 | #if ! defined yyoverflow || YYERROR_VERBOSE | |
606 | ||
607 | /* The parser invokes alloca or malloc; define the necessary symbols. */ | |
608 | ||
609 | # ifdef YYSTACK_USE_ALLOCA | |
610 | # if YYSTACK_USE_ALLOCA | |
611 | # ifdef __GNUC__ | |
612 | # define YYSTACK_ALLOC __builtin_alloca | |
613 | # elif defined __BUILTIN_VA_ARG_INCR | |
614 | # include <alloca.h> /* INFRINGES ON USER NAME SPACE */ | |
615 | # elif defined _AIX | |
616 | # define YYSTACK_ALLOC __alloca | |
617 | # elif defined _MSC_VER | |
618 | # include <malloc.h> /* INFRINGES ON USER NAME SPACE */ | |
619 | # define alloca _alloca | |
620 | # else | |
621 | # define YYSTACK_ALLOC alloca | |
622 | # if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ | |
623 | || defined __cplusplus || defined _MSC_VER) | |
624 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ | |
625 | # ifndef _STDLIB_H | |
626 | # define _STDLIB_H 1 | |
627 | # endif | |
628 | # endif | |
629 | # endif | |
630 | # endif | |
631 | # endif | |
632 | ||
633 | # ifdef YYSTACK_ALLOC | |
634 | /* Pacify GCC's `empty if-body' warning. */ | |
635 | # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) | |
636 | # ifndef YYSTACK_ALLOC_MAXIMUM | |
637 | /* The OS might guarantee only one guard page at the bottom of the stack, | |
638 | and a page size can be as small as 4096 bytes. So we cannot safely | |
639 | invoke alloca (N) if N exceeds 4096. Use a slightly smaller number | |
640 | to allow for a few compiler-allocated temporary stack slots. */ | |
641 | # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ | |
642 | # endif | |
643 | # else | |
644 | # define YYSTACK_ALLOC YYMALLOC | |
645 | # define YYSTACK_FREE YYFREE | |
646 | # ifndef YYSTACK_ALLOC_MAXIMUM | |
647 | # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM | |
648 | # endif | |
649 | # if (defined __cplusplus && ! defined _STDLIB_H \ | |
650 | && ! ((defined YYMALLOC || defined malloc) \ | |
651 | && (defined YYFREE || defined free))) | |
652 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ | |
653 | # ifndef _STDLIB_H | |
654 | # define _STDLIB_H 1 | |
655 | # endif | |
656 | # endif | |
657 | # ifndef YYMALLOC | |
658 | # define YYMALLOC malloc | |
659 | # if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ | |
660 | || defined __cplusplus || defined _MSC_VER) | |
661 | void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ | |
662 | # endif | |
663 | # endif | |
664 | # ifndef YYFREE | |
665 | # define YYFREE free | |
666 | # if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ | |
667 | || defined __cplusplus || defined _MSC_VER) | |
668 | void free (void *); /* INFRINGES ON USER NAME SPACE */ | |
669 | # endif | |
670 | # endif | |
671 | # endif | |
672 | #endif /* ! defined yyoverflow || YYERROR_VERBOSE */ | |
673 | ||
674 | ||
675 | #if (! defined yyoverflow \ | |
676 | && (! defined __cplusplus \ | |
677 | || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) | |
678 | ||
679 | /* A type that is properly aligned for any stack member. */ | |
680 | union yyalloc | |
681 | { | |
682 | yytype_int16 yyss; | |
683 | YYSTYPE yyvs; | |
684 | }; | |
685 | ||
686 | /* The size of the maximum gap between one aligned stack and the next. */ | |
687 | # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) | |
688 | ||
689 | /* The size of an array large to enough to hold all stacks, each with | |
690 | N elements. */ | |
691 | # define YYSTACK_BYTES(N) \ | |
692 | ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ | |
693 | + YYSTACK_GAP_MAXIMUM) | |
694 | ||
695 | /* Copy COUNT objects from FROM to TO. The source and destination do | |
696 | not overlap. */ | |
697 | # ifndef YYCOPY | |
698 | # if defined __GNUC__ && 1 < __GNUC__ | |
699 | # define YYCOPY(To, From, Count) \ | |
700 | __builtin_memcpy (To, From, (Count) * sizeof (*(From))) | |
701 | # else | |
702 | # define YYCOPY(To, From, Count) \ | |
703 | do \ | |
704 | { \ | |
705 | YYSIZE_T yyi; \ | |
706 | for (yyi = 0; yyi < (Count); yyi++) \ | |
707 | (To)[yyi] = (From)[yyi]; \ | |
708 | } \ | |
709 | while (YYID (0)) | |
710 | # endif | |
711 | # endif | |
712 | ||
713 | /* Relocate STACK from its old location to the new one. The | |
714 | local variables YYSIZE and YYSTACKSIZE give the old and new number of | |
715 | elements in the stack, and YYPTR gives the new location of the | |
716 | stack. Advance YYPTR to a properly aligned location for the next | |
717 | stack. */ | |
718 | # define YYSTACK_RELOCATE(Stack) \ | |
719 | do \ | |
720 | { \ | |
721 | YYSIZE_T yynewbytes; \ | |
722 | YYCOPY (&yyptr->Stack, Stack, yysize); \ | |
723 | Stack = &yyptr->Stack; \ | |
724 | yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ | |
725 | yyptr += yynewbytes / sizeof (*yyptr); \ | |
726 | } \ | |
727 | while (YYID (0)) | |
f73dda09 | 728 | |
f73dda09 JA |
729 | #endif |
730 | ||
3185942a | 731 | /* YYFINAL -- State number of the termination state. */ |
495aee44 | 732 | #define YYFINAL 116 |
3185942a | 733 | /* YYLAST -- Last index in YYTABLE. */ |
495aee44 | 734 | #define YYLAST 659 |
3185942a JA |
735 | |
736 | /* YYNTOKENS -- Number of terminals. */ | |
495aee44 | 737 | #define YYNTOKENS 61 |
3185942a JA |
738 | /* YYNNTS -- Number of nonterminals. */ |
739 | #define YYNNTS 38 | |
740 | /* YYNRULES -- Number of rules. */ | |
0001803f | 741 | #define YYNRULES 167 |
3185942a | 742 | /* YYNRULES -- Number of states. */ |
495aee44 | 743 | #define YYNSTATES 342 |
3185942a JA |
744 | |
745 | /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ | |
746 | #define YYUNDEFTOK 2 | |
495aee44 | 747 | #define YYMAXUTOK 304 |
3185942a JA |
748 | |
749 | #define YYTRANSLATE(YYX) \ | |
750 | ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) | |
751 | ||
752 | /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ | |
753 | static const yytype_uint8 yytranslate[] = | |
754 | { | |
755 | 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
495aee44 | 756 | 51, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
3185942a | 757 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
495aee44 CR |
758 | 2, 2, 2, 2, 2, 2, 2, 2, 49, 2, |
759 | 59, 60, 2, 2, 2, 56, 2, 2, 2, 2, | |
760 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 50, | |
761 | 55, 2, 54, 2, 2, 2, 2, 2, 2, 2, | |
3185942a JA |
762 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
763 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
764 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
765 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
766 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
495aee44 | 767 | 2, 2, 2, 57, 53, 58, 2, 2, 2, 2, |
3185942a JA |
768 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
769 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
770 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
771 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
772 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
773 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
774 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
775 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
776 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
777 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
778 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
779 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
780 | 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, | |
781 | 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, | |
782 | 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, | |
783 | 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, | |
784 | 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, | |
495aee44 | 785 | 45, 46, 47, 48, 52 |
726f6388 | 786 | }; |
f73dda09 | 787 | |
3185942a JA |
788 | #if YYDEBUG |
789 | /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in | |
790 | YYRHS. */ | |
791 | static const yytype_uint16 yyprhs[] = | |
792 | { | |
793 | 0, 0, 3, 6, 8, 11, 13, 15, 18, 21, | |
0001803f CR |
794 | 24, 28, 32, 36, 40, 43, 47, 51, 54, 58, |
795 | 62, 65, 69, 73, 76, 80, 84, 87, 91, 95, | |
796 | 98, 102, 106, 109, 113, 117, 120, 124, 128, 131, | |
797 | 135, 139, 142, 146, 150, 153, 157, 161, 164, 168, | |
798 | 172, 175, 178, 180, 182, 184, 186, 189, 191, 194, | |
799 | 196, 198, 201, 203, 205, 207, 209, 215, 221, 223, | |
800 | 225, 227, 229, 231, 233, 235, 242, 249, 257, 265, | |
801 | 276, 287, 297, 307, 315, 323, 329, 335, 342, 349, | |
802 | 357, 365, 376, 387, 394, 402, 409, 415, 422, 427, | |
803 | 429, 432, 436, 439, 443, 447, 452, 455, 461, 469, | |
804 | 476, 480, 482, 486, 491, 498, 504, 506, 509, 514, | |
805 | 519, 525, 531, 534, 538, 541, 545, 548, 552, 554, | |
806 | 558, 561, 563, 566, 570, 574, 578, 583, 588, 593, | |
807 | 598, 603, 605, 607, 609, 611, 613, 615, 616, 619, | |
808 | 621, 624, 627, 632, 637, 641, 645, 647, 649, 652, | |
495aee44 | 809 | 655, 658, 661, 666, 671, 673, 675, 678 |
726f6388 | 810 | }; |
f73dda09 | 811 | |
3185942a JA |
812 | /* YYRHS -- A `-1'-separated list of the rules' RHS. */ |
813 | static const yytype_int8 yyrhs[] = | |
814 | { | |
495aee44 CR |
815 | 62, 0, -1, 94, 91, -1, 51, -1, 1, 51, |
816 | -1, 52, -1, 26, -1, 63, 26, -1, 54, 26, | |
817 | -1, 55, 26, -1, 29, 54, 26, -1, 29, 55, | |
818 | 26, -1, 28, 54, 26, -1, 28, 55, 26, -1, | |
819 | 35, 26, -1, 29, 35, 26, -1, 28, 35, 26, | |
820 | -1, 47, 26, -1, 29, 47, 26, -1, 28, 47, | |
821 | 26, -1, 46, 26, -1, 29, 46, 26, -1, 28, | |
822 | 46, 26, -1, 36, 26, -1, 29, 36, 26, -1, | |
823 | 28, 36, 26, -1, 43, 26, -1, 29, 43, 26, | |
824 | -1, 28, 43, 26, -1, 38, 26, -1, 29, 38, | |
825 | 26, -1, 28, 38, 26, -1, 37, 29, -1, 29, | |
826 | 37, 29, -1, 28, 37, 29, -1, 39, 29, -1, | |
827 | 29, 39, 29, -1, 28, 39, 29, -1, 37, 26, | |
828 | -1, 29, 37, 26, -1, 28, 37, 26, -1, 39, | |
829 | 26, -1, 29, 39, 26, -1, 28, 39, 26, -1, | |
830 | 39, 56, -1, 29, 39, 56, -1, 28, 39, 56, | |
831 | -1, 37, 56, -1, 29, 37, 56, -1, 28, 37, | |
832 | 56, -1, 44, 26, -1, 45, 26, -1, 26, -1, | |
833 | 27, -1, 64, -1, 64, -1, 66, 64, -1, 65, | |
834 | -1, 67, 65, -1, 67, -1, 69, -1, 69, 66, | |
835 | -1, 74, -1, 77, -1, 70, -1, 73, -1, 12, | |
836 | 88, 14, 88, 15, -1, 13, 88, 14, 88, 15, | |
837 | -1, 72, -1, 78, -1, 76, -1, 79, -1, 80, | |
838 | -1, 81, -1, 71, -1, 10, 26, 93, 14, 88, | |
839 | 15, -1, 10, 26, 93, 57, 88, 58, -1, 10, | |
840 | 26, 50, 93, 14, 88, 15, -1, 10, 26, 50, | |
841 | 93, 57, 88, 58, -1, 10, 26, 93, 21, 63, | |
842 | 92, 93, 14, 88, 15, -1, 10, 26, 93, 21, | |
843 | 63, 92, 93, 57, 88, 58, -1, 10, 26, 93, | |
844 | 21, 92, 93, 14, 88, 15, -1, 10, 26, 93, | |
845 | 21, 92, 93, 57, 88, 58, -1, 10, 31, 92, | |
846 | 93, 14, 88, 15, -1, 10, 31, 92, 93, 57, | |
847 | 88, 58, -1, 10, 31, 14, 88, 15, -1, 10, | |
848 | 31, 57, 88, 58, -1, 11, 26, 93, 14, 87, | |
849 | 15, -1, 11, 26, 93, 57, 87, 58, -1, 11, | |
850 | 26, 50, 93, 14, 87, 15, -1, 11, 26, 50, | |
851 | 93, 57, 87, 58, -1, 11, 26, 93, 21, 63, | |
852 | 92, 93, 14, 87, 15, -1, 11, 26, 93, 21, | |
853 | 63, 92, 93, 57, 87, 58, -1, 8, 26, 93, | |
854 | 21, 93, 9, -1, 8, 26, 93, 21, 85, 93, | |
855 | 9, -1, 8, 26, 93, 21, 83, 9, -1, 26, | |
856 | 59, 60, 93, 75, -1, 16, 26, 59, 60, 93, | |
857 | 75, -1, 16, 26, 93, 75, -1, 69, -1, 69, | |
858 | 66, -1, 59, 88, 60, -1, 17, 69, -1, 17, | |
859 | 69, 66, -1, 17, 26, 69, -1, 17, 26, 69, | |
860 | 66, -1, 17, 67, -1, 3, 88, 4, 88, 7, | |
861 | -1, 3, 88, 4, 88, 5, 88, 7, -1, 3, | |
862 | 88, 4, 88, 82, 7, -1, 57, 88, 58, -1, | |
863 | 30, -1, 18, 32, 19, -1, 6, 88, 4, 88, | |
864 | -1, 6, 88, 4, 88, 5, 88, -1, 6, 88, | |
865 | 4, 88, 82, -1, 84, -1, 85, 84, -1, 93, | |
866 | 86, 60, 88, -1, 93, 86, 60, 93, -1, 93, | |
867 | 59, 86, 60, 88, -1, 93, 59, 86, 60, 93, | |
868 | -1, 84, 40, -1, 85, 84, 40, -1, 84, 41, | |
869 | -1, 85, 84, 41, -1, 84, 42, -1, 85, 84, | |
870 | 42, -1, 26, -1, 86, 53, 26, -1, 93, 89, | |
871 | -1, 87, -1, 93, 90, -1, 90, 51, 93, -1, | |
872 | 90, 49, 93, -1, 90, 50, 93, -1, 90, 33, | |
873 | 93, 90, -1, 90, 34, 93, 90, -1, 90, 49, | |
874 | 93, 90, -1, 90, 50, 93, 90, -1, 90, 51, | |
875 | 93, 90, -1, 96, -1, 51, -1, 52, -1, 51, | |
876 | -1, 50, -1, 52, -1, -1, 93, 51, -1, 95, | |
877 | -1, 95, 49, -1, 95, 50, -1, 95, 33, 93, | |
878 | 95, -1, 95, 34, 93, 95, -1, 95, 49, 95, | |
879 | -1, 95, 50, 95, -1, 96, -1, 97, -1, 22, | |
880 | 96, -1, 98, 96, -1, 98, 92, -1, 22, 92, | |
881 | -1, 97, 53, 93, 97, -1, 97, 48, 93, 97, | |
882 | -1, 68, -1, 23, -1, 23, 24, -1, 23, 24, | |
883 | 25, -1 | |
726f6388 | 884 | }; |
f73dda09 | 885 | |
3185942a JA |
886 | /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ |
887 | static const yytype_uint16 yyrline[] = | |
888 | { | |
ac50fbac CR |
889 | 0, 377, 377, 388, 397, 412, 422, 424, 428, 434, |
890 | 440, 446, 452, 458, 464, 470, 476, 482, 488, 494, | |
891 | 500, 506, 512, 518, 525, 532, 539, 546, 553, 560, | |
892 | 566, 572, 578, 584, 590, 596, 602, 608, 614, 620, | |
893 | 626, 632, 638, 644, 650, 656, 662, 668, 674, 680, | |
894 | 686, 692, 700, 702, 704, 708, 712, 723, 725, 729, | |
895 | 731, 733, 749, 751, 755, 757, 759, 761, 763, 765, | |
896 | 767, 769, 771, 773, 775, 779, 784, 789, 794, 799, | |
897 | 804, 809, 814, 821, 826, 831, 836, 843, 848, 853, | |
898 | 858, 863, 868, 875, 880, 885, 892, 895, 898, 902, | |
899 | 904, 935, 942, 947, 964, 969, 986, 993, 995, 997, | |
900 | 1002, 1006, 1010, 1014, 1016, 1018, 1022, 1023, 1027, 1029, | |
901 | 1031, 1033, 1037, 1039, 1041, 1043, 1045, 1047, 1051, 1053, | |
902 | 1062, 1070, 1071, 1077, 1078, 1085, 1089, 1091, 1093, 1100, | |
903 | 1102, 1104, 1108, 1109, 1112, 1114, 1116, 1120, 1121, 1130, | |
904 | 1143, 1159, 1174, 1176, 1178, 1185, 1188, 1192, 1194, 1200, | |
905 | 1206, 1223, 1243, 1245, 1268, 1272, 1274, 1276 | |
726f6388 | 906 | }; |
3185942a | 907 | #endif |
f73dda09 | 908 | |
3185942a JA |
909 | #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE |
910 | /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. | |
911 | First, the terminals, then, starting at YYNTOKENS, nonterminals. */ | |
912 | static const char *const yytname[] = | |
913 | { | |
914 | "$end", "error", "$undefined", "IF", "THEN", "ELSE", "ELIF", "FI", | |
915 | "CASE", "ESAC", "FOR", "SELECT", "WHILE", "UNTIL", "DO", "DONE", | |
916 | "FUNCTION", "COPROC", "COND_START", "COND_END", "COND_ERROR", "IN", | |
495aee44 CR |
917 | "BANG", "TIME", "TIMEOPT", "TIMEIGN", "WORD", "ASSIGNMENT_WORD", |
918 | "REDIR_WORD", "NUMBER", "ARITH_CMD", "ARITH_FOR_EXPRS", "COND_CMD", | |
919 | "AND_AND", "OR_OR", "GREATER_GREATER", "LESS_LESS", "LESS_AND", | |
920 | "LESS_LESS_LESS", "GREATER_AND", "SEMI_SEMI", "SEMI_AND", | |
921 | "SEMI_SEMI_AND", "LESS_LESS_MINUS", "AND_GREATER", "AND_GREATER_GREATER", | |
922 | "LESS_GREATER", "GREATER_BAR", "BAR_AND", "'&'", "';'", "'\\n'", | |
923 | "yacc_EOF", "'|'", "'>'", "'<'", "'-'", "'{'", "'}'", "'('", "')'", | |
924 | "$accept", "inputunit", "word_list", "redirection", | |
925 | "simple_command_element", "redirection_list", "simple_command", | |
926 | "command", "shell_command", "for_command", "arith_for_command", | |
927 | "select_command", "case_command", "function_def", "function_body", | |
928 | "subshell", "coproc", "if_command", "group_command", "arith_command", | |
929 | "cond_command", "elif_clause", "case_clause", "pattern_list", | |
930 | "case_clause_sequence", "pattern", "list", "compound_list", "list0", | |
931 | "list1", "simple_list_terminator", "list_terminator", "newline_list", | |
932 | "simple_list", "simple_list1", "pipeline_command", "pipeline", | |
933 | "timespec", 0 | |
726f6388 | 934 | }; |
3185942a | 935 | #endif |
f73dda09 | 936 | |
3185942a JA |
937 | # ifdef YYPRINT |
938 | /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to | |
939 | token YYLEX-NUM. */ | |
940 | static const yytype_uint16 yytoknum[] = | |
941 | { | |
942 | 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, | |
943 | 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, | |
944 | 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, | |
945 | 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, | |
495aee44 CR |
946 | 295, 296, 297, 298, 299, 300, 301, 302, 303, 38, |
947 | 59, 10, 304, 124, 62, 60, 45, 123, 125, 40, | |
948 | 41 | |
3185942a JA |
949 | }; |
950 | # endif | |
951 | ||
952 | /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ | |
953 | static const yytype_uint8 yyr1[] = | |
954 | { | |
495aee44 CR |
955 | 0, 61, 62, 62, 62, 62, 63, 63, 64, 64, |
956 | 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, | |
957 | 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, | |
958 | 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, | |
959 | 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, | |
960 | 64, 64, 65, 65, 65, 66, 66, 67, 67, 68, | |
961 | 68, 68, 68, 68, 69, 69, 69, 69, 69, 69, | |
962 | 69, 69, 69, 69, 69, 70, 70, 70, 70, 70, | |
963 | 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, | |
964 | 72, 72, 72, 73, 73, 73, 74, 74, 74, 75, | |
965 | 75, 76, 77, 77, 77, 77, 77, 78, 78, 78, | |
966 | 79, 80, 81, 82, 82, 82, 83, 83, 84, 84, | |
967 | 84, 84, 85, 85, 85, 85, 85, 85, 86, 86, | |
968 | 87, 88, 88, 89, 89, 89, 90, 90, 90, 90, | |
969 | 90, 90, 91, 91, 92, 92, 92, 93, 93, 94, | |
970 | 94, 94, 95, 95, 95, 95, 95, 96, 96, 96, | |
971 | 96, 96, 97, 97, 97, 98, 98, 98 | |
726f6388 | 972 | }; |
f73dda09 | 973 | |
3185942a JA |
974 | /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ |
975 | static const yytype_uint8 yyr2[] = | |
976 | { | |
977 | 0, 2, 2, 1, 2, 1, 1, 2, 2, 2, | |
0001803f CR |
978 | 3, 3, 3, 3, 2, 3, 3, 2, 3, 3, |
979 | 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, | |
980 | 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, | |
981 | 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, | |
982 | 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, | |
983 | 1, 2, 1, 1, 1, 1, 5, 5, 1, 1, | |
984 | 1, 1, 1, 1, 1, 6, 6, 7, 7, 10, | |
985 | 10, 9, 9, 7, 7, 5, 5, 6, 6, 7, | |
986 | 7, 10, 10, 6, 7, 6, 5, 6, 4, 1, | |
987 | 2, 3, 2, 3, 3, 4, 2, 5, 7, 6, | |
988 | 3, 1, 3, 4, 6, 5, 1, 2, 4, 4, | |
989 | 5, 5, 2, 3, 2, 3, 2, 3, 1, 3, | |
990 | 2, 1, 2, 3, 3, 3, 4, 4, 4, 4, | |
991 | 4, 1, 1, 1, 1, 1, 1, 0, 2, 1, | |
992 | 2, 2, 4, 4, 3, 3, 1, 1, 2, 2, | |
495aee44 | 993 | 2, 2, 4, 4, 1, 1, 2, 3 |
3185942a | 994 | }; |
f73dda09 | 995 | |
3185942a JA |
996 | /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state |
997 | STATE-NUM when YYTABLE doesn't specify something else to do. Zero | |
998 | means the default is an error. */ | |
999 | static const yytype_uint8 yydefact[] = | |
1000 | { | |
0001803f | 1001 | 0, 0, 147, 0, 0, 0, 147, 147, 0, 0, |
495aee44 | 1002 | 0, 0, 165, 52, 53, 0, 0, 111, 0, 0, |
0001803f | 1003 | 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, |
495aee44 | 1004 | 0, 0, 147, 147, 0, 54, 57, 59, 164, 60, |
0001803f CR |
1005 | 64, 74, 68, 65, 62, 70, 63, 69, 71, 72, |
1006 | 73, 0, 149, 156, 157, 0, 4, 131, 0, 0, | |
1007 | 147, 147, 0, 147, 0, 0, 147, 52, 106, 102, | |
495aee44 | 1008 | 0, 145, 144, 146, 161, 158, 166, 0, 0, 0, |
0001803f | 1009 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
495aee44 CR |
1010 | 0, 0, 0, 0, 0, 0, 0, 0, 14, 23, |
1011 | 38, 32, 47, 29, 41, 35, 44, 26, 50, 51, | |
1012 | 20, 17, 8, 9, 0, 0, 1, 52, 58, 55, | |
1013 | 61, 142, 143, 2, 147, 147, 150, 151, 147, 147, | |
1014 | 160, 159, 147, 148, 130, 132, 141, 0, 147, 0, | |
1015 | 147, 147, 147, 147, 0, 147, 147, 0, 0, 104, | |
1016 | 103, 112, 167, 147, 16, 25, 40, 34, 49, 31, | |
1017 | 43, 37, 46, 28, 22, 19, 12, 13, 15, 24, | |
1018 | 39, 33, 48, 30, 42, 36, 45, 27, 21, 18, | |
1019 | 10, 11, 110, 101, 56, 0, 0, 154, 155, 0, | |
1020 | 0, 0, 147, 147, 147, 147, 147, 147, 0, 147, | |
1021 | 0, 147, 0, 0, 0, 0, 147, 0, 147, 0, | |
1022 | 0, 147, 99, 98, 105, 0, 152, 153, 0, 0, | |
1023 | 163, 162, 147, 147, 107, 0, 0, 0, 134, 135, | |
1024 | 133, 0, 116, 147, 0, 147, 147, 0, 6, 0, | |
1025 | 147, 0, 85, 86, 147, 147, 147, 147, 0, 0, | |
1026 | 0, 0, 66, 67, 0, 100, 96, 0, 0, 109, | |
1027 | 136, 137, 138, 139, 140, 95, 122, 124, 126, 117, | |
1028 | 0, 93, 128, 0, 0, 0, 0, 75, 7, 147, | |
1029 | 0, 76, 0, 0, 0, 0, 87, 0, 147, 88, | |
1030 | 97, 108, 147, 147, 147, 147, 123, 125, 127, 94, | |
1031 | 0, 0, 147, 77, 78, 0, 147, 147, 83, 84, | |
1032 | 89, 90, 0, 113, 0, 0, 0, 147, 129, 118, | |
1033 | 119, 147, 147, 0, 0, 147, 147, 147, 115, 120, | |
1034 | 121, 0, 0, 81, 82, 0, 0, 114, 79, 80, | |
1035 | 91, 92 | |
726f6388 | 1036 | }; |
f73dda09 | 1037 | |
3185942a JA |
1038 | /* YYDEFGOTO[NTERM-NUM]. */ |
1039 | static const yytype_int16 yydefgoto[] = | |
1040 | { | |
495aee44 CR |
1041 | -1, 34, 239, 35, 36, 120, 37, 38, 39, 40, |
1042 | 41, 42, 43, 44, 213, 45, 46, 47, 48, 49, | |
1043 | 50, 225, 231, 232, 233, 274, 57, 58, 134, 135, | |
1044 | 123, 74, 59, 51, 187, 136, 54, 55 | |
726f6388 | 1045 | }; |
f73dda09 | 1046 | |
3185942a JA |
1047 | /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing |
1048 | STATE-NUM. */ | |
495aee44 | 1049 | #define YYPACT_NINF -208 |
3185942a JA |
1050 | static const yytype_int16 yypact[] = |
1051 | { | |
495aee44 CR |
1052 | 296, -35, -208, -2, 38, 10, -208, -208, 24, 546, |
1053 | 31, 346, 51, 47, -208, 591, 604, -208, 56, 71, | |
1054 | -18, 112, 130, 115, 128, 136, 143, 154, -208, -208, | |
1055 | 157, 170, -208, -208, 111, -208, -208, 229, -208, 578, | |
1056 | -208, -208, -208, -208, -208, -208, -208, -208, -208, -208, | |
1057 | -208, -12, -3, -208, 48, 346, -208, -208, 208, 396, | |
1058 | -208, 73, 15, 163, 190, 201, 160, 107, 229, 578, | |
1059 | 204, -208, -208, -208, -208, -208, 195, 165, 202, 215, | |
1060 | 152, 216, 153, 222, 227, 236, 237, 244, 245, 253, | |
1061 | 158, 254, 171, 255, 256, 259, 261, 262, -208, -208, | |
1062 | -208, -208, -208, -208, -208, -208, -208, -208, -208, -208, | |
1063 | -208, -208, -208, -208, 231, 230, -208, -208, -208, -208, | |
1064 | 578, -208, -208, -208, -208, -208, 446, 446, -208, -208, | |
1065 | -208, -208, -208, -208, -208, 210, -208, 4, -208, 65, | |
1066 | -208, -208, -208, -208, 70, -208, -208, 232, 41, 578, | |
1067 | 578, -208, -208, -208, -208, -208, -208, -208, -208, -208, | |
1068 | -208, -208, -208, -208, -208, -208, -208, -208, -208, -208, | |
1069 | -208, -208, -208, -208, -208, -208, -208, -208, -208, -208, | |
1070 | -208, -208, -208, -208, -208, 396, 396, 23, 23, 496, | |
1071 | 496, 97, -208, -208, -208, -208, -208, -208, 85, -208, | |
1072 | 185, -208, 276, 235, 100, 110, -208, 268, -208, 280, | |
1073 | 283, -208, 578, -208, 578, 41, -208, -208, 446, 446, | |
1074 | 48, 48, -208, -208, -208, 295, 396, 396, 396, 396, | |
1075 | 396, 294, 161, -208, 19, -208, -208, 290, -208, 200, | |
1076 | -208, 252, -208, -208, -208, -208, -208, -208, 302, 396, | |
1077 | 200, 269, -208, -208, 41, 578, -208, 313, 324, -208, | |
1078 | -208, -208, 55, 55, 55, -208, -208, -208, -208, 192, | |
1079 | 34, -208, -208, 303, -19, 315, 278, -208, -208, -208, | |
1080 | 114, -208, 322, 286, 323, 287, -208, 210, -208, -208, | |
1081 | -208, -208, -208, -208, -208, -208, -208, -208, -208, -208, | |
1082 | 8, 320, -208, -208, -208, 117, -208, -208, -208, -208, | |
1083 | -208, -208, 119, 167, 396, 396, 396, -208, -208, -208, | |
1084 | 396, -208, -208, 337, 307, -208, -208, -208, -208, -208, | |
1085 | 396, 345, 308, -208, -208, 352, 312, -208, -208, -208, | |
1086 | -208, -208 | |
3185942a | 1087 | }; |
f73dda09 | 1088 | |
3185942a JA |
1089 | /* YYPGOTO[NTERM-NUM]. */ |
1090 | static const yytype_int16 yypgoto[] = | |
1091 | { | |
495aee44 CR |
1092 | -208, -208, 164, -37, -31, -62, 368, -208, -5, -208, |
1093 | -208, -208, -208, -208, -206, -208, -208, -208, -208, -208, | |
1094 | -208, 66, -208, 145, -208, 88, -173, -6, -208, -207, | |
1095 | -208, -45, -48, -208, 5, 3, 17, -208 | |
3185942a | 1096 | }; |
f73dda09 | 1097 | |
3185942a JA |
1098 | /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If |
1099 | positive, shift that token. If negative, reduce the rule which | |
1100 | number is the opposite. If zero, do what YYDEFACT says. | |
1101 | If YYTABLE_NINF, syntax error. */ | |
1102 | #define YYTABLE_NINF -1 | |
1103 | static const yytype_uint16 yytable[] = | |
1104 | { | |
495aee44 CR |
1105 | 64, 65, 119, 53, 69, 52, 118, 150, 100, 256, |
1106 | 130, 101, 137, 139, 75, 144, 56, 142, 148, 260, | |
1107 | 261, 262, 263, 264, 60, 197, 114, 115, 271, 140, | |
1108 | 124, 125, 119, 248, 301, 251, 63, 118, 102, 121, | |
1109 | 122, 302, 287, 299, 2, 272, 126, 127, 290, 3, | |
1110 | 66, 4, 5, 6, 7, 133, 124, 125, 131, 10, | |
1111 | 272, 301, 149, 70, 61, 71, 72, 73, 317, 62, | |
1112 | 133, 17, 141, 284, 285, 76, 185, 186, 273, 199, | |
1113 | 189, 190, 98, 184, 206, 133, 200, 214, 192, 193, | |
1114 | 198, 207, 133, 273, 204, 205, 128, 99, 32, 235, | |
1115 | 33, 129, 222, 223, 224, 215, 77, 262, 263, 264, | |
1116 | 2, 116, 119, 184, 244, 3, 133, 4, 5, 6, | |
1117 | 7, 133, 201, 138, 246, 10, 191, 208, 306, 53, | |
1118 | 53, 321, 188, 325, 202, 203, 133, 17, 103, 209, | |
1119 | 210, 107, 236, 212, 226, 227, 228, 229, 230, 234, | |
1120 | 255, 133, 335, 336, 108, 240, 104, 245, 249, 105, | |
1121 | 249, 133, 109, 254, 32, 133, 33, 247, 133, 110, | |
1122 | 133, 307, 327, 223, 322, 119, 326, 184, 156, 160, | |
1123 | 111, 157, 161, 112, 170, 270, 106, 171, 53, 53, | |
1124 | 216, 217, 280, 237, 279, 241, 113, 174, 249, 249, | |
1125 | 175, 266, 267, 268, 145, 288, 220, 221, 158, 162, | |
1126 | 212, 238, 132, 143, 172, 146, 257, 258, 184, 147, | |
1127 | 152, 53, 53, 151, 188, 153, 278, 176, 154, 275, | |
1128 | 276, 305, 296, 297, 298, 71, 72, 73, 282, 283, | |
1129 | 312, 155, 159, 192, 193, 314, 315, 316, 163, 212, | |
1130 | 71, 72, 73, 164, 320, 117, 14, 15, 16, 194, | |
1131 | 195, 196, 165, 166, 18, 19, 20, 21, 22, 330, | |
1132 | 167, 168, 23, 24, 25, 26, 27, 249, 249, 169, | |
1133 | 173, 177, 178, 30, 31, 179, 313, 180, 181, 182, | |
1134 | 183, 242, 211, 243, 238, 252, 319, 1, 253, 2, | |
1135 | 323, 324, 259, 265, 3, 277, 4, 5, 6, 7, | |
1136 | 281, 329, 8, 9, 10, 331, 332, 286, 11, 12, | |
1137 | 291, 337, 13, 14, 15, 16, 17, 289, 292, 272, | |
1138 | 303, 18, 19, 20, 21, 22, 304, 308, 310, 23, | |
1139 | 24, 25, 26, 27, 309, 311, 318, 28, 29, 2, | |
1140 | 30, 31, 333, 32, 3, 33, 4, 5, 6, 7, | |
1141 | 338, 300, 8, 9, 10, 334, 339, 340, 11, 12, | |
1142 | 341, 250, 13, 14, 15, 16, 17, 68, 269, 328, | |
1143 | 0, 18, 19, 20, 21, 22, 0, 0, 0, 23, | |
1144 | 24, 25, 26, 27, 0, 0, 71, 72, 73, 2, | |
1145 | 30, 31, 0, 32, 3, 33, 4, 5, 6, 7, | |
1146 | 0, 0, 8, 9, 10, 0, 0, 0, 11, 12, | |
0001803f CR |
1147 | 0, 0, 13, 14, 15, 16, 17, 0, 0, 0, |
1148 | 0, 18, 19, 20, 21, 22, 0, 0, 0, 23, | |
495aee44 | 1149 | 24, 25, 26, 27, 0, 0, 0, 133, 0, 2, |
0001803f CR |
1150 | 30, 31, 0, 32, 3, 33, 4, 5, 6, 7, |
1151 | 0, 0, 8, 9, 10, 0, 0, 0, 11, 12, | |
495aee44 CR |
1152 | 0, 0, 13, 14, 15, 16, 17, 0, 0, 0, |
1153 | 0, 18, 19, 20, 21, 22, 0, 0, 0, 23, | |
1154 | 24, 25, 26, 27, 0, 0, 0, 0, 0, 2, | |
1155 | 30, 31, 0, 32, 3, 33, 4, 5, 6, 7, | |
1156 | 0, 0, 8, 9, 10, 0, 0, 0, 0, 0, | |
1157 | 0, 0, 13, 14, 15, 16, 17, 0, 0, 0, | |
1158 | 0, 18, 19, 20, 21, 22, 0, 0, 0, 23, | |
1159 | 24, 25, 26, 27, 0, 0, 0, 133, 0, 2, | |
1160 | 30, 31, 0, 32, 3, 33, 4, 5, 6, 7, | |
1161 | 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, | |
1162 | 0, 0, 67, 14, 15, 16, 17, 0, 0, 0, | |
1163 | 0, 18, 19, 20, 21, 22, 0, 0, 0, 23, | |
1164 | 24, 25, 26, 27, 0, 0, 0, 0, 0, 0, | |
1165 | 30, 31, 0, 32, 0, 33, 15, 16, 0, 0, | |
1166 | 0, 0, 0, 18, 19, 20, 21, 22, 0, 0, | |
1167 | 0, 23, 24, 25, 26, 27, 78, 79, 80, 81, | |
1168 | 82, 0, 30, 31, 83, 0, 0, 84, 85, 88, | |
1169 | 89, 90, 91, 92, 0, 86, 87, 93, 0, 0, | |
1170 | 94, 95, 0, 0, 0, 0, 0, 0, 96, 97 | |
3185942a | 1171 | }; |
f73dda09 | 1172 | |
3185942a JA |
1173 | static const yytype_int16 yycheck[] = |
1174 | { | |
495aee44 CR |
1175 | 6, 7, 39, 0, 9, 0, 37, 69, 26, 215, |
1176 | 55, 29, 60, 61, 11, 63, 51, 62, 66, 226, | |
1177 | 227, 228, 229, 230, 26, 21, 32, 33, 9, 14, | |
1178 | 33, 34, 69, 206, 53, 208, 26, 68, 56, 51, | |
1179 | 52, 60, 249, 9, 3, 26, 49, 50, 254, 8, | |
1180 | 26, 10, 11, 12, 13, 51, 33, 34, 55, 18, | |
1181 | 26, 53, 67, 32, 26, 50, 51, 52, 60, 31, | |
1182 | 51, 30, 57, 246, 247, 24, 124, 125, 59, 14, | |
1183 | 128, 129, 26, 120, 14, 51, 21, 149, 33, 34, | |
1184 | 138, 21, 51, 59, 142, 143, 48, 26, 57, 14, | |
1185 | 59, 53, 5, 6, 7, 153, 59, 314, 315, 316, | |
1186 | 3, 0, 149, 150, 14, 8, 51, 10, 11, 12, | |
1187 | 13, 51, 57, 50, 14, 18, 132, 57, 14, 126, | |
1188 | 127, 14, 127, 14, 140, 141, 51, 30, 26, 145, | |
1189 | 146, 26, 57, 148, 192, 193, 194, 195, 196, 197, | |
1190 | 212, 51, 325, 326, 26, 200, 26, 57, 206, 29, | |
1191 | 208, 51, 26, 211, 57, 51, 59, 57, 51, 26, | |
1192 | 51, 57, 5, 6, 57, 212, 57, 214, 26, 26, | |
1193 | 26, 29, 29, 26, 26, 233, 56, 29, 185, 186, | |
1194 | 185, 186, 240, 199, 239, 201, 26, 26, 246, 247, | |
1195 | 29, 40, 41, 42, 14, 250, 189, 190, 56, 56, | |
1196 | 215, 26, 4, 50, 56, 14, 222, 223, 255, 59, | |
1197 | 25, 218, 219, 19, 219, 60, 26, 56, 26, 235, | |
1198 | 236, 279, 40, 41, 42, 50, 51, 52, 244, 245, | |
1199 | 288, 26, 26, 33, 34, 293, 294, 295, 26, 254, | |
1200 | 50, 51, 52, 26, 302, 26, 27, 28, 29, 49, | |
1201 | 50, 51, 26, 26, 35, 36, 37, 38, 39, 317, | |
1202 | 26, 26, 43, 44, 45, 46, 47, 325, 326, 26, | |
1203 | 26, 26, 26, 54, 55, 26, 292, 26, 26, 58, | |
1204 | 60, 15, 60, 58, 26, 15, 302, 1, 15, 3, | |
1205 | 306, 307, 7, 9, 8, 15, 10, 11, 12, 13, | |
1206 | 58, 317, 16, 17, 18, 321, 322, 15, 22, 23, | |
1207 | 7, 327, 26, 27, 28, 29, 30, 58, 4, 26, | |
1208 | 15, 35, 36, 37, 38, 39, 58, 15, 15, 43, | |
1209 | 44, 45, 46, 47, 58, 58, 26, 51, 52, 3, | |
1210 | 54, 55, 15, 57, 8, 59, 10, 11, 12, 13, | |
1211 | 15, 273, 16, 17, 18, 58, 58, 15, 22, 23, | |
1212 | 58, 207, 26, 27, 28, 29, 30, 9, 233, 313, | |
1213 | -1, 35, 36, 37, 38, 39, -1, -1, -1, 43, | |
1214 | 44, 45, 46, 47, -1, -1, 50, 51, 52, 3, | |
1215 | 54, 55, -1, 57, 8, 59, 10, 11, 12, 13, | |
0001803f | 1216 | -1, -1, 16, 17, 18, -1, -1, -1, 22, 23, |
495aee44 CR |
1217 | -1, -1, 26, 27, 28, 29, 30, -1, -1, -1, |
1218 | -1, 35, 36, 37, 38, 39, -1, -1, -1, 43, | |
1219 | 44, 45, 46, 47, -1, -1, -1, 51, -1, 3, | |
1220 | 54, 55, -1, 57, 8, 59, 10, 11, 12, 13, | |
1221 | -1, -1, 16, 17, 18, -1, -1, -1, 22, 23, | |
1222 | -1, -1, 26, 27, 28, 29, 30, -1, -1, -1, | |
1223 | -1, 35, 36, 37, 38, 39, -1, -1, -1, 43, | |
1224 | 44, 45, 46, 47, -1, -1, -1, -1, -1, 3, | |
1225 | 54, 55, -1, 57, 8, 59, 10, 11, 12, 13, | |
1226 | -1, -1, 16, 17, 18, -1, -1, -1, -1, -1, | |
1227 | -1, -1, 26, 27, 28, 29, 30, -1, -1, -1, | |
1228 | -1, 35, 36, 37, 38, 39, -1, -1, -1, 43, | |
1229 | 44, 45, 46, 47, -1, -1, -1, 51, -1, 3, | |
1230 | 54, 55, -1, 57, 8, 59, 10, 11, 12, 13, | |
1231 | -1, -1, -1, -1, 18, -1, -1, -1, -1, -1, | |
1232 | -1, -1, 26, 27, 28, 29, 30, -1, -1, -1, | |
1233 | -1, 35, 36, 37, 38, 39, -1, -1, -1, 43, | |
1234 | 44, 45, 46, 47, -1, -1, -1, -1, -1, -1, | |
1235 | 54, 55, -1, 57, -1, 59, 28, 29, -1, -1, | |
1236 | -1, -1, -1, 35, 36, 37, 38, 39, -1, -1, | |
1237 | -1, 43, 44, 45, 46, 47, 35, 36, 37, 38, | |
1238 | 39, -1, 54, 55, 43, -1, -1, 46, 47, 35, | |
1239 | 36, 37, 38, 39, -1, 54, 55, 43, -1, -1, | |
1240 | 46, 47, -1, -1, -1, -1, -1, -1, 54, 55 | |
3185942a | 1241 | }; |
f73dda09 | 1242 | |
3185942a JA |
1243 | /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing |
1244 | symbol of state STATE-NUM. */ | |
1245 | static const yytype_uint8 yystos[] = | |
1246 | { | |
1247 | 0, 1, 3, 8, 10, 11, 12, 13, 16, 17, | |
495aee44 CR |
1248 | 18, 22, 23, 26, 27, 28, 29, 30, 35, 36, |
1249 | 37, 38, 39, 43, 44, 45, 46, 47, 51, 52, | |
1250 | 54, 55, 57, 59, 62, 64, 65, 67, 68, 69, | |
1251 | 70, 71, 72, 73, 74, 76, 77, 78, 79, 80, | |
1252 | 81, 94, 95, 96, 97, 98, 51, 87, 88, 93, | |
1253 | 26, 26, 31, 26, 88, 88, 26, 26, 67, 69, | |
1254 | 32, 50, 51, 52, 92, 96, 24, 59, 35, 36, | |
1255 | 37, 38, 39, 43, 46, 47, 54, 55, 35, 36, | |
1256 | 37, 38, 39, 43, 46, 47, 54, 55, 26, 26, | |
1257 | 26, 29, 56, 26, 26, 29, 56, 26, 26, 26, | |
1258 | 26, 26, 26, 26, 88, 88, 0, 26, 65, 64, | |
1259 | 66, 51, 52, 91, 33, 34, 49, 50, 48, 53, | |
1260 | 92, 96, 4, 51, 89, 90, 96, 93, 50, 93, | |
1261 | 14, 57, 92, 50, 93, 14, 14, 59, 93, 69, | |
1262 | 66, 19, 25, 60, 26, 26, 26, 29, 56, 26, | |
1263 | 26, 29, 56, 26, 26, 26, 26, 26, 26, 26, | |
1264 | 26, 29, 56, 26, 26, 29, 56, 26, 26, 26, | |
1265 | 26, 26, 58, 60, 64, 93, 93, 95, 95, 93, | |
1266 | 93, 88, 33, 34, 49, 50, 51, 21, 93, 14, | |
1267 | 21, 57, 88, 88, 93, 93, 14, 21, 57, 88, | |
1268 | 88, 60, 69, 75, 66, 93, 95, 95, 49, 50, | |
1269 | 97, 97, 5, 6, 7, 82, 93, 93, 93, 93, | |
1270 | 93, 83, 84, 85, 93, 14, 57, 88, 26, 63, | |
1271 | 92, 88, 15, 58, 14, 57, 14, 57, 87, 93, | |
1272 | 63, 87, 15, 15, 93, 66, 75, 88, 88, 7, | |
1273 | 90, 90, 90, 90, 90, 9, 40, 41, 42, 84, | |
1274 | 93, 9, 26, 59, 86, 88, 88, 15, 26, 92, | |
1275 | 93, 58, 88, 88, 87, 87, 15, 90, 92, 58, | |
1276 | 75, 7, 4, 49, 50, 51, 40, 41, 42, 9, | |
1277 | 86, 53, 60, 15, 58, 93, 14, 57, 15, 58, | |
1278 | 15, 58, 93, 88, 93, 93, 93, 60, 26, 88, | |
1279 | 93, 14, 57, 88, 88, 14, 57, 5, 82, 88, | |
1280 | 93, 88, 88, 15, 58, 87, 87, 88, 15, 58, | |
1281 | 15, 58 | |
3185942a | 1282 | }; |
b80f6443 | 1283 | |
f73dda09 JA |
1284 | #define yyerrok (yyerrstatus = 0) |
1285 | #define yyclearin (yychar = YYEMPTY) | |
3185942a | 1286 | #define YYEMPTY (-2) |
f73dda09 | 1287 | #define YYEOF 0 |
3185942a | 1288 | |
f73dda09 | 1289 | #define YYACCEPT goto yyacceptlab |
3185942a JA |
1290 | #define YYABORT goto yyabortlab |
1291 | #define YYERROR goto yyerrorlab | |
1292 | ||
1293 | ||
1294 | /* Like YYERROR except do call yyerror. This remains here temporarily | |
1295 | to ease the transition to the new meaning of YYERROR, for GCC. | |
f73dda09 | 1296 | Once GCC version 2 has supplanted version 1, this can go. */ |
3185942a | 1297 | |
f73dda09 | 1298 | #define YYFAIL goto yyerrlab |
3185942a | 1299 | |
f73dda09 | 1300 | #define YYRECOVERING() (!!yyerrstatus) |
3185942a JA |
1301 | |
1302 | #define YYBACKUP(Token, Value) \ | |
f73dda09 JA |
1303 | do \ |
1304 | if (yychar == YYEMPTY && yylen == 1) \ | |
3185942a JA |
1305 | { \ |
1306 | yychar = (Token); \ | |
1307 | yylval = (Value); \ | |
1308 | yytoken = YYTRANSLATE (yychar); \ | |
1309 | YYPOPSTACK (1); \ | |
f73dda09 JA |
1310 | goto yybackup; \ |
1311 | } \ | |
1312 | else \ | |
3185942a JA |
1313 | { \ |
1314 | yyerror (YY_("syntax error: cannot back up")); \ | |
1315 | YYERROR; \ | |
1316 | } \ | |
1317 | while (YYID (0)) | |
1318 | ||
f73dda09 JA |
1319 | |
1320 | #define YYTERROR 1 | |
1321 | #define YYERRCODE 256 | |
1322 | ||
3185942a JA |
1323 | |
1324 | /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. | |
1325 | If N is 0, then set CURRENT to the empty location which ends | |
1326 | the previous symbol: RHS[0] (always defined). */ | |
1327 | ||
1328 | #define YYRHSLOC(Rhs, K) ((Rhs)[K]) | |
1329 | #ifndef YYLLOC_DEFAULT | |
1330 | # define YYLLOC_DEFAULT(Current, Rhs, N) \ | |
1331 | do \ | |
1332 | if (YYID (N)) \ | |
1333 | { \ | |
1334 | (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ | |
1335 | (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ | |
1336 | (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ | |
1337 | (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ | |
1338 | } \ | |
1339 | else \ | |
1340 | { \ | |
1341 | (Current).first_line = (Current).last_line = \ | |
1342 | YYRHSLOC (Rhs, 0).last_line; \ | |
1343 | (Current).first_column = (Current).last_column = \ | |
1344 | YYRHSLOC (Rhs, 0).last_column; \ | |
1345 | } \ | |
1346 | while (YYID (0)) | |
b80f6443 | 1347 | #endif |
f73dda09 | 1348 | |
3185942a JA |
1349 | |
1350 | /* YY_LOCATION_PRINT -- Print the location on the stream. | |
1351 | This macro was not mandated originally: define only if we know | |
1352 | we won't break user code: when these are the locations we know. */ | |
1353 | ||
1354 | #ifndef YY_LOCATION_PRINT | |
509a4430 | 1355 | # if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL |
3185942a JA |
1356 | # define YY_LOCATION_PRINT(File, Loc) \ |
1357 | fprintf (File, "%d.%d-%d.%d", \ | |
1358 | (Loc).first_line, (Loc).first_column, \ | |
1359 | (Loc).last_line, (Loc).last_column) | |
1360 | # else | |
1361 | # define YY_LOCATION_PRINT(File, Loc) ((void) 0) | |
1362 | # endif | |
b80f6443 | 1363 | #endif |
3185942a JA |
1364 | |
1365 | ||
1366 | /* YYLEX -- calling `yylex' with the right arguments. */ | |
1367 | ||
b80f6443 | 1368 | #ifdef YYLEX_PARAM |
3185942a | 1369 | # define YYLEX yylex (YYLEX_PARAM) |
b80f6443 | 1370 | #else |
3185942a | 1371 | # define YYLEX yylex () |
b80f6443 | 1372 | #endif |
3185942a JA |
1373 | |
1374 | /* Enable debugging if requested. */ | |
1375 | #if YYDEBUG | |
1376 | ||
1377 | # ifndef YYFPRINTF | |
1378 | # include <stdio.h> /* INFRINGES ON USER NAME SPACE */ | |
1379 | # define YYFPRINTF fprintf | |
1380 | # endif | |
1381 | ||
1382 | # define YYDPRINTF(Args) \ | |
1383 | do { \ | |
1384 | if (yydebug) \ | |
1385 | YYFPRINTF Args; \ | |
1386 | } while (YYID (0)) | |
1387 | ||
1388 | # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ | |
1389 | do { \ | |
1390 | if (yydebug) \ | |
1391 | { \ | |
1392 | YYFPRINTF (stderr, "%s ", Title); \ | |
1393 | yy_symbol_print (stderr, \ | |
1394 | Type, Value); \ | |
1395 | YYFPRINTF (stderr, "\n"); \ | |
1396 | } \ | |
1397 | } while (YYID (0)) | |
1398 | ||
1399 | ||
1400 | /*--------------------------------. | |
1401 | | Print this symbol on YYOUTPUT. | | |
1402 | `--------------------------------*/ | |
1403 | ||
1404 | /*ARGSUSED*/ | |
1405 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1406 | || defined __cplusplus || defined _MSC_VER) | |
1407 | static void | |
1408 | yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) | |
1409 | #else | |
1410 | static void | |
1411 | yy_symbol_value_print (yyoutput, yytype, yyvaluep) | |
1412 | FILE *yyoutput; | |
1413 | int yytype; | |
1414 | YYSTYPE const * const yyvaluep; | |
b80f6443 | 1415 | #endif |
3185942a JA |
1416 | { |
1417 | if (!yyvaluep) | |
1418 | return; | |
1419 | # ifdef YYPRINT | |
1420 | if (yytype < YYNTOKENS) | |
1421 | YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); | |
1422 | # else | |
1423 | YYUSE (yyoutput); | |
1424 | # endif | |
1425 | switch (yytype) | |
1426 | { | |
1427 | default: | |
1428 | break; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | ||
1433 | /*--------------------------------. | |
1434 | | Print this symbol on YYOUTPUT. | | |
1435 | `--------------------------------*/ | |
b80f6443 | 1436 | |
3185942a JA |
1437 | #if (defined __STDC__ || defined __C99__FUNC__ \ |
1438 | || defined __cplusplus || defined _MSC_VER) | |
1439 | static void | |
1440 | yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) | |
1441 | #else | |
1442 | static void | |
1443 | yy_symbol_print (yyoutput, yytype, yyvaluep) | |
1444 | FILE *yyoutput; | |
1445 | int yytype; | |
1446 | YYSTYPE const * const yyvaluep; | |
1447 | #endif | |
1448 | { | |
1449 | if (yytype < YYNTOKENS) | |
1450 | YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); | |
1451 | else | |
1452 | YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); | |
726f6388 | 1453 | |
3185942a JA |
1454 | yy_symbol_value_print (yyoutput, yytype, yyvaluep); |
1455 | YYFPRINTF (yyoutput, ")"); | |
1456 | } | |
726f6388 | 1457 | |
3185942a JA |
1458 | /*------------------------------------------------------------------. |
1459 | | yy_stack_print -- Print the state stack from its BOTTOM up to its | | |
1460 | | TOP (included). | | |
1461 | `------------------------------------------------------------------*/ | |
b80f6443 | 1462 | |
3185942a JA |
1463 | #if (defined __STDC__ || defined __C99__FUNC__ \ |
1464 | || defined __cplusplus || defined _MSC_VER) | |
1465 | static void | |
1466 | yy_stack_print (yytype_int16 *bottom, yytype_int16 *top) | |
1467 | #else | |
1468 | static void | |
1469 | yy_stack_print (bottom, top) | |
1470 | yytype_int16 *bottom; | |
1471 | yytype_int16 *top; | |
f73dda09 | 1472 | #endif |
3185942a JA |
1473 | { |
1474 | YYFPRINTF (stderr, "Stack now"); | |
1475 | for (; bottom <= top; ++bottom) | |
1476 | YYFPRINTF (stderr, " %d", *bottom); | |
1477 | YYFPRINTF (stderr, "\n"); | |
1478 | } | |
726f6388 | 1479 | |
3185942a JA |
1480 | # define YY_STACK_PRINT(Bottom, Top) \ |
1481 | do { \ | |
1482 | if (yydebug) \ | |
1483 | yy_stack_print ((Bottom), (Top)); \ | |
1484 | } while (YYID (0)) | |
726f6388 | 1485 | |
3185942a JA |
1486 | |
1487 | /*------------------------------------------------. | |
1488 | | Report that the YYRULE is going to be reduced. | | |
1489 | `------------------------------------------------*/ | |
1490 | ||
1491 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1492 | || defined __cplusplus || defined _MSC_VER) | |
1493 | static void | |
1494 | yy_reduce_print (YYSTYPE *yyvsp, int yyrule) | |
1495 | #else | |
1496 | static void | |
1497 | yy_reduce_print (yyvsp, yyrule) | |
1498 | YYSTYPE *yyvsp; | |
1499 | int yyrule; | |
b80f6443 | 1500 | #endif |
3185942a JA |
1501 | { |
1502 | int yynrhs = yyr2[yyrule]; | |
1503 | int yyi; | |
1504 | unsigned long int yylno = yyrline[yyrule]; | |
1505 | YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", | |
1506 | yyrule - 1, yylno); | |
1507 | /* The symbols being reduced. */ | |
1508 | for (yyi = 0; yyi < yynrhs; yyi++) | |
1509 | { | |
1510 | fprintf (stderr, " $%d = ", yyi + 1); | |
1511 | yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], | |
1512 | &(yyvsp[(yyi + 1) - (yynrhs)]) | |
1513 | ); | |
1514 | fprintf (stderr, "\n"); | |
1515 | } | |
1516 | } | |
1517 | ||
1518 | # define YY_REDUCE_PRINT(Rule) \ | |
1519 | do { \ | |
1520 | if (yydebug) \ | |
1521 | yy_reduce_print (yyvsp, Rule); \ | |
1522 | } while (YYID (0)) | |
b80f6443 | 1523 | |
3185942a JA |
1524 | /* Nonzero means print parse trace. It is left uninitialized so that |
1525 | multiple parsers can coexist. */ | |
1526 | int yydebug; | |
1527 | #else /* !YYDEBUG */ | |
1528 | # define YYDPRINTF(Args) | |
1529 | # define YY_SYMBOL_PRINT(Title, Type, Value, Location) | |
1530 | # define YY_STACK_PRINT(Bottom, Top) | |
1531 | # define YY_REDUCE_PRINT(Rule) | |
1532 | #endif /* !YYDEBUG */ | |
726f6388 | 1533 | |
3185942a JA |
1534 | |
1535 | /* YYINITDEPTH -- initial size of the parser's stacks. */ | |
f73dda09 | 1536 | #ifndef YYINITDEPTH |
3185942a | 1537 | # define YYINITDEPTH 200 |
f73dda09 | 1538 | #endif |
726f6388 | 1539 | |
3185942a JA |
1540 | /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only |
1541 | if the built-in stack extension method is used). | |
726f6388 | 1542 | |
3185942a JA |
1543 | Do not make this value too large; the results are undefined if |
1544 | YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) | |
1545 | evaluated with infinite-precision integer arithmetic. */ | |
726f6388 | 1546 | |
f73dda09 | 1547 | #ifndef YYMAXDEPTH |
3185942a | 1548 | # define YYMAXDEPTH 10000 |
f73dda09 | 1549 | #endif |
3185942a | 1550 | |
f73dda09 | 1551 | \f |
3185942a JA |
1552 | |
1553 | #if YYERROR_VERBOSE | |
1554 | ||
1555 | # ifndef yystrlen | |
1556 | # if defined __GLIBC__ && defined _STRING_H | |
1557 | # define yystrlen strlen | |
1558 | # else | |
1559 | /* Return the length of YYSTR. */ | |
1560 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1561 | || defined __cplusplus || defined _MSC_VER) | |
1562 | static YYSIZE_T | |
1563 | yystrlen (const char *yystr) | |
1564 | #else | |
1565 | static YYSIZE_T | |
1566 | yystrlen (yystr) | |
1567 | const char *yystr; | |
1568 | #endif | |
1569 | { | |
1570 | YYSIZE_T yylen; | |
1571 | for (yylen = 0; yystr[yylen]; yylen++) | |
1572 | continue; | |
1573 | return yylen; | |
1574 | } | |
1575 | # endif | |
1576 | # endif | |
1577 | ||
1578 | # ifndef yystpcpy | |
1579 | # if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE | |
1580 | # define yystpcpy stpcpy | |
1581 | # else | |
1582 | /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in | |
1583 | YYDEST. */ | |
1584 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1585 | || defined __cplusplus || defined _MSC_VER) | |
1586 | static char * | |
1587 | yystpcpy (char *yydest, const char *yysrc) | |
1588 | #else | |
1589 | static char * | |
1590 | yystpcpy (yydest, yysrc) | |
1591 | char *yydest; | |
1592 | const char *yysrc; | |
1593 | #endif | |
726f6388 | 1594 | { |
3185942a JA |
1595 | char *yyd = yydest; |
1596 | const char *yys = yysrc; | |
1597 | ||
1598 | while ((*yyd++ = *yys++) != '\0') | |
1599 | continue; | |
1600 | ||
1601 | return yyd - 1; | |
1602 | } | |
1603 | # endif | |
1604 | # endif | |
1605 | ||
1606 | # ifndef yytnamerr | |
1607 | /* Copy to YYRES the contents of YYSTR after stripping away unnecessary | |
1608 | quotes and backslashes, so that it's suitable for yyerror. The | |
1609 | heuristic is that double-quoting is unnecessary unless the string | |
1610 | contains an apostrophe, a comma, or backslash (other than | |
1611 | backslash-backslash). YYSTR is taken from yytname. If YYRES is | |
1612 | null, do not copy; instead, return the length of what the result | |
1613 | would have been. */ | |
1614 | static YYSIZE_T | |
1615 | yytnamerr (char *yyres, const char *yystr) | |
1616 | { | |
1617 | if (*yystr == '"') | |
1618 | { | |
1619 | YYSIZE_T yyn = 0; | |
1620 | char const *yyp = yystr; | |
1621 | ||
1622 | for (;;) | |
1623 | switch (*++yyp) | |
1624 | { | |
1625 | case '\'': | |
1626 | case ',': | |
1627 | goto do_not_strip_quotes; | |
1628 | ||
1629 | case '\\': | |
1630 | if (*++yyp != '\\') | |
1631 | goto do_not_strip_quotes; | |
1632 | /* Fall through. */ | |
1633 | default: | |
1634 | if (yyres) | |
1635 | yyres[yyn] = *yyp; | |
1636 | yyn++; | |
1637 | break; | |
1638 | ||
1639 | case '"': | |
1640 | if (yyres) | |
1641 | yyres[yyn] = '\0'; | |
1642 | return yyn; | |
1643 | } | |
1644 | do_not_strip_quotes: ; | |
1645 | } | |
f73dda09 | 1646 | |
3185942a JA |
1647 | if (! yyres) |
1648 | return yystrlen (yystr); | |
1649 | ||
1650 | return yystpcpy (yyres, yystr) - yyres; | |
1651 | } | |
1652 | # endif | |
1653 | ||
1654 | /* Copy into YYRESULT an error message about the unexpected token | |
1655 | YYCHAR while in state YYSTATE. Return the number of bytes copied, | |
1656 | including the terminating null byte. If YYRESULT is null, do not | |
1657 | copy anything; just return the number of bytes that would be | |
1658 | copied. As a special case, return 0 if an ordinary "syntax error" | |
1659 | message will do. Return YYSIZE_MAXIMUM if overflow occurs during | |
1660 | size calculation. */ | |
1661 | static YYSIZE_T | |
1662 | yysyntax_error (char *yyresult, int yystate, int yychar) | |
1663 | { | |
1664 | int yyn = yypact[yystate]; | |
1665 | ||
1666 | if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) | |
1667 | return 0; | |
1668 | else | |
1669 | { | |
1670 | int yytype = YYTRANSLATE (yychar); | |
1671 | YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); | |
1672 | YYSIZE_T yysize = yysize0; | |
1673 | YYSIZE_T yysize1; | |
1674 | int yysize_overflow = 0; | |
1675 | enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; | |
1676 | char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; | |
1677 | int yyx; | |
1678 | ||
1679 | # if 0 | |
1680 | /* This is so xgettext sees the translatable formats that are | |
1681 | constructed on the fly. */ | |
1682 | YY_("syntax error, unexpected %s"); | |
1683 | YY_("syntax error, unexpected %s, expecting %s"); | |
1684 | YY_("syntax error, unexpected %s, expecting %s or %s"); | |
1685 | YY_("syntax error, unexpected %s, expecting %s or %s or %s"); | |
1686 | YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); | |
1687 | # endif | |
1688 | char *yyfmt; | |
1689 | char const *yyf; | |
1690 | static char const yyunexpected[] = "syntax error, unexpected %s"; | |
1691 | static char const yyexpecting[] = ", expecting %s"; | |
1692 | static char const yyor[] = " or %s"; | |
1693 | char yyformat[sizeof yyunexpected | |
1694 | + sizeof yyexpecting - 1 | |
1695 | + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) | |
1696 | * (sizeof yyor - 1))]; | |
1697 | char const *yyprefix = yyexpecting; | |
1698 | ||
1699 | /* Start YYX at -YYN if negative to avoid negative indexes in | |
1700 | YYCHECK. */ | |
1701 | int yyxbegin = yyn < 0 ? -yyn : 0; | |
1702 | ||
1703 | /* Stay within bounds of both yycheck and yytname. */ | |
1704 | int yychecklim = YYLAST - yyn + 1; | |
1705 | int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; | |
1706 | int yycount = 1; | |
1707 | ||
1708 | yyarg[0] = yytname[yytype]; | |
1709 | yyfmt = yystpcpy (yyformat, yyunexpected); | |
1710 | ||
1711 | for (yyx = yyxbegin; yyx < yyxend; ++yyx) | |
1712 | if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) | |
1713 | { | |
1714 | if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) | |
1715 | { | |
1716 | yycount = 1; | |
1717 | yysize = yysize0; | |
1718 | yyformat[sizeof yyunexpected - 1] = '\0'; | |
1719 | break; | |
1720 | } | |
1721 | yyarg[yycount++] = yytname[yyx]; | |
1722 | yysize1 = yysize + yytnamerr (0, yytname[yyx]); | |
1723 | yysize_overflow |= (yysize1 < yysize); | |
1724 | yysize = yysize1; | |
1725 | yyfmt = yystpcpy (yyfmt, yyprefix); | |
1726 | yyprefix = yyor; | |
1727 | } | |
1728 | ||
1729 | yyf = YY_(yyformat); | |
1730 | yysize1 = yysize + yystrlen (yyf); | |
1731 | yysize_overflow |= (yysize1 < yysize); | |
1732 | yysize = yysize1; | |
1733 | ||
1734 | if (yysize_overflow) | |
1735 | return YYSIZE_MAXIMUM; | |
1736 | ||
1737 | if (yyresult) | |
1738 | { | |
1739 | /* Avoid sprintf, as that infringes on the user's name space. | |
1740 | Don't have undefined behavior even if the translation | |
1741 | produced a string with the wrong number of "%s"s. */ | |
1742 | char *yyp = yyresult; | |
1743 | int yyi = 0; | |
1744 | while ((*yyp = *yyf) != '\0') | |
1745 | { | |
1746 | if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) | |
1747 | { | |
1748 | yyp += yytnamerr (yyp, yyarg[yyi++]); | |
1749 | yyf += 2; | |
1750 | } | |
1751 | else | |
1752 | { | |
1753 | yyp++; | |
1754 | yyf++; | |
1755 | } | |
1756 | } | |
1757 | } | |
1758 | return yysize; | |
1759 | } | |
726f6388 | 1760 | } |
3185942a JA |
1761 | #endif /* YYERROR_VERBOSE */ |
1762 | \f | |
726f6388 | 1763 | |
3185942a JA |
1764 | /*-----------------------------------------------. |
1765 | | Release the memory associated to this symbol. | | |
1766 | `-----------------------------------------------*/ | |
726f6388 | 1767 | |
3185942a JA |
1768 | /*ARGSUSED*/ |
1769 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1770 | || defined __cplusplus || defined _MSC_VER) | |
1771 | static void | |
1772 | yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) | |
1773 | #else | |
b80f6443 | 1774 | static void |
3185942a JA |
1775 | yydestruct (yymsg, yytype, yyvaluep) |
1776 | const char *yymsg; | |
1777 | int yytype; | |
1778 | YYSTYPE *yyvaluep; | |
1779 | #endif | |
7117c2d2 | 1780 | { |
3185942a | 1781 | YYUSE (yyvaluep); |
726f6388 | 1782 | |
3185942a JA |
1783 | if (!yymsg) |
1784 | yymsg = "Deleting"; | |
1785 | YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); | |
b80f6443 | 1786 | |
3185942a JA |
1787 | switch (yytype) |
1788 | { | |
1789 | ||
1790 | default: | |
1791 | break; | |
1792 | } | |
1793 | } | |
f73dda09 | 1794 | \f |
f73dda09 | 1795 | |
3185942a | 1796 | /* Prevent warnings from -Wmissing-prototypes. */ |
f73dda09 JA |
1797 | |
1798 | #ifdef YYPARSE_PARAM | |
3185942a JA |
1799 | #if defined __STDC__ || defined __cplusplus |
1800 | int yyparse (void *YYPARSE_PARAM); | |
b80f6443 | 1801 | #else |
3185942a | 1802 | int yyparse (); |
f73dda09 | 1803 | #endif |
3185942a JA |
1804 | #else /* ! YYPARSE_PARAM */ |
1805 | #if defined __STDC__ || defined __cplusplus | |
1806 | int yyparse (void); | |
1807 | #else | |
1808 | int yyparse (); | |
726f6388 | 1809 | #endif |
3185942a JA |
1810 | #endif /* ! YYPARSE_PARAM */ |
1811 | ||
726f6388 | 1812 | |
726f6388 | 1813 | |
3185942a JA |
1814 | /* The look-ahead symbol. */ |
1815 | int yychar; | |
b80f6443 | 1816 | |
3185942a JA |
1817 | /* The semantic value of the look-ahead symbol. */ |
1818 | YYSTYPE yylval; | |
b80f6443 | 1819 | |
3185942a JA |
1820 | /* Number of syntax errors so far. */ |
1821 | int yynerrs; | |
726f6388 | 1822 | |
3185942a JA |
1823 | |
1824 | ||
1825 | /*----------. | |
1826 | | yyparse. | | |
1827 | `----------*/ | |
1828 | ||
1829 | #ifdef YYPARSE_PARAM | |
1830 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1831 | || defined __cplusplus || defined _MSC_VER) | |
1832 | int | |
1833 | yyparse (void *YYPARSE_PARAM) | |
f73dda09 | 1834 | #else |
3185942a JA |
1835 | int |
1836 | yyparse (YYPARSE_PARAM) | |
1837 | void *YYPARSE_PARAM; | |
f73dda09 | 1838 | #endif |
3185942a JA |
1839 | #else /* ! YYPARSE_PARAM */ |
1840 | #if (defined __STDC__ || defined __C99__FUNC__ \ | |
1841 | || defined __cplusplus || defined _MSC_VER) | |
1842 | int | |
1843 | yyparse (void) | |
1844 | #else | |
1845 | int | |
1846 | yyparse () | |
726f6388 | 1847 | |
b80f6443 | 1848 | #endif |
3185942a JA |
1849 | #endif |
1850 | { | |
1851 | ||
1852 | int yystate; | |
1853 | int yyn; | |
1854 | int yyresult; | |
1855 | /* Number of tokens to shift before error messages enabled. */ | |
1856 | int yyerrstatus; | |
1857 | /* Look-ahead token as an internal (translated) token number. */ | |
1858 | int yytoken = 0; | |
1859 | #if YYERROR_VERBOSE | |
1860 | /* Buffer for error messages, and its allocated size. */ | |
1861 | char yymsgbuf[128]; | |
1862 | char *yymsg = yymsgbuf; | |
1863 | YYSIZE_T yymsg_alloc = sizeof yymsgbuf; | |
7117c2d2 | 1864 | #endif |
726f6388 | 1865 | |
3185942a JA |
1866 | /* Three stacks and their tools: |
1867 | `yyss': related to states, | |
1868 | `yyvs': related to semantic values, | |
1869 | `yyls': related to locations. | |
b80f6443 | 1870 | |
3185942a JA |
1871 | Refer to the stacks thru separate pointers, to allow yyoverflow |
1872 | to reallocate them elsewhere. */ | |
726f6388 | 1873 | |
3185942a JA |
1874 | /* The state stack. */ |
1875 | yytype_int16 yyssa[YYINITDEPTH]; | |
1876 | yytype_int16 *yyss = yyssa; | |
1877 | yytype_int16 *yyssp; | |
1878 | ||
1879 | /* The semantic value stack. */ | |
1880 | YYSTYPE yyvsa[YYINITDEPTH]; | |
1881 | YYSTYPE *yyvs = yyvsa; | |
1882 | YYSTYPE *yyvsp; | |
1883 | ||
1884 | ||
1885 | ||
1886 | #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) | |
1887 | ||
1888 | YYSIZE_T yystacksize = YYINITDEPTH; | |
1889 | ||
1890 | /* The variables used to return semantic value and location from the | |
1891 | action routines. */ | |
1892 | YYSTYPE yyval; | |
1893 | ||
1894 | ||
1895 | /* The number of symbols on the RHS of the reduced rule. | |
1896 | Keep to zero when no symbol should be popped. */ | |
1897 | int yylen = 0; | |
1898 | ||
1899 | YYDPRINTF ((stderr, "Starting parse\n")); | |
726f6388 | 1900 | |
f73dda09 JA |
1901 | yystate = 0; |
1902 | yyerrstatus = 0; | |
1903 | yynerrs = 0; | |
1904 | yychar = YYEMPTY; /* Cause a token to be read. */ | |
1905 | ||
1906 | /* Initialize stack pointers. | |
1907 | Waste one element of value and location stack | |
1908 | so that they stay on the same level as the state stack. | |
1909 | The wasted elements are never initialized. */ | |
1910 | ||
3185942a | 1911 | yyssp = yyss; |
f73dda09 | 1912 | yyvsp = yyvs; |
f73dda09 | 1913 | |
3185942a | 1914 | goto yysetstate; |
f73dda09 | 1915 | |
3185942a JA |
1916 | /*------------------------------------------------------------. |
1917 | | yynewstate -- Push a new state, which is found in yystate. | | |
1918 | `------------------------------------------------------------*/ | |
1919 | yynewstate: | |
1920 | /* In all cases, when you get here, the value and location stacks | |
1921 | have just been pushed. So pushing a state here evens the stacks. */ | |
1922 | yyssp++; | |
f73dda09 | 1923 | |
3185942a JA |
1924 | yysetstate: |
1925 | *yyssp = yystate; | |
b80f6443 | 1926 | |
3185942a JA |
1927 | if (yyss + yystacksize - 1 <= yyssp) |
1928 | { | |
f73dda09 | 1929 | /* Get the current used size of the three stacks, in elements. */ |
3185942a | 1930 | YYSIZE_T yysize = yyssp - yyss + 1; |
f73dda09 JA |
1931 | |
1932 | #ifdef yyoverflow | |
3185942a JA |
1933 | { |
1934 | /* Give user a chance to reallocate the stack. Use copies of | |
1935 | these so that the &'s don't force the real ones into | |
1936 | memory. */ | |
1937 | YYSTYPE *yyvs1 = yyvs; | |
1938 | yytype_int16 *yyss1 = yyss; | |
b80f6443 | 1939 | |
3185942a JA |
1940 | |
1941 | /* Each stack pointer address is followed by the size of the | |
1942 | data in use in that stack, in bytes. This used to be a | |
1943 | conditional around just the two extra args, but that might | |
1944 | be undefined if yyoverflow is a macro. */ | |
1945 | yyoverflow (YY_("memory exhausted"), | |
1946 | &yyss1, yysize * sizeof (*yyssp), | |
1947 | &yyvs1, yysize * sizeof (*yyvsp), | |
1948 | ||
1949 | &yystacksize); | |
1950 | ||
1951 | yyss = yyss1; | |
1952 | yyvs = yyvs1; | |
1953 | } | |
f73dda09 | 1954 | #else /* no yyoverflow */ |
3185942a JA |
1955 | # ifndef YYSTACK_RELOCATE |
1956 | goto yyexhaustedlab; | |
1957 | # else | |
f73dda09 | 1958 | /* Extend the stack our own way. */ |
3185942a JA |
1959 | if (YYMAXDEPTH <= yystacksize) |
1960 | goto yyexhaustedlab; | |
f73dda09 | 1961 | yystacksize *= 2; |
3185942a | 1962 | if (YYMAXDEPTH < yystacksize) |
f73dda09 | 1963 | yystacksize = YYMAXDEPTH; |
3185942a JA |
1964 | |
1965 | { | |
1966 | yytype_int16 *yyss1 = yyss; | |
1967 | union yyalloc *yyptr = | |
1968 | (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); | |
1969 | if (! yyptr) | |
1970 | goto yyexhaustedlab; | |
1971 | YYSTACK_RELOCATE (yyss); | |
1972 | YYSTACK_RELOCATE (yyvs); | |
1973 | ||
1974 | # undef YYSTACK_RELOCATE | |
1975 | if (yyss1 != yyssa) | |
1976 | YYSTACK_FREE (yyss1); | |
1977 | } | |
1978 | # endif | |
f73dda09 | 1979 | #endif /* no yyoverflow */ |
726f6388 | 1980 | |
3185942a JA |
1981 | yyssp = yyss + yysize - 1; |
1982 | yyvsp = yyvs + yysize - 1; | |
726f6388 | 1983 | |
726f6388 | 1984 | |
3185942a JA |
1985 | YYDPRINTF ((stderr, "Stack size increased to %lu\n", |
1986 | (unsigned long int) yystacksize)); | |
1987 | ||
1988 | if (yyss + yystacksize - 1 <= yyssp) | |
f73dda09 | 1989 | YYABORT; |
726f6388 JA |
1990 | } |
1991 | ||
3185942a | 1992 | YYDPRINTF ((stderr, "Entering state %d\n", yystate)); |
28ef6c31 | 1993 | |
f73dda09 | 1994 | goto yybackup; |
28ef6c31 | 1995 | |
3185942a JA |
1996 | /*-----------. |
1997 | | yybackup. | | |
1998 | `-----------*/ | |
1999 | yybackup: | |
28ef6c31 | 2000 | |
3185942a JA |
2001 | /* Do appropriate processing given the current state. Read a |
2002 | look-ahead token if we need one and don't already have one. */ | |
726f6388 | 2003 | |
3185942a | 2004 | /* First try to decide what to do without reference to look-ahead token. */ |
f73dda09 | 2005 | yyn = yypact[yystate]; |
3185942a | 2006 | if (yyn == YYPACT_NINF) |
f73dda09 | 2007 | goto yydefault; |
726f6388 | 2008 | |
3185942a | 2009 | /* Not known => get a look-ahead token if don't already have one. */ |
726f6388 | 2010 | |
3185942a | 2011 | /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ |
f73dda09 | 2012 | if (yychar == YYEMPTY) |
726f6388 | 2013 | { |
3185942a | 2014 | YYDPRINTF ((stderr, "Reading a token: ")); |
f73dda09 | 2015 | yychar = YYLEX; |
726f6388 | 2016 | } |
726f6388 | 2017 | |
3185942a | 2018 | if (yychar <= YYEOF) |
f73dda09 | 2019 | { |
3185942a JA |
2020 | yychar = yytoken = YYEOF; |
2021 | YYDPRINTF ((stderr, "Now at end of input.\n")); | |
f73dda09 JA |
2022 | } |
2023 | else | |
2024 | { | |
3185942a JA |
2025 | yytoken = YYTRANSLATE (yychar); |
2026 | YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); | |
f73dda09 | 2027 | } |
726f6388 | 2028 | |
3185942a JA |
2029 | /* If the proper action on seeing token YYTOKEN is to reduce or to |
2030 | detect an error, take that action. */ | |
2031 | yyn += yytoken; | |
2032 | if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) | |
f73dda09 | 2033 | goto yydefault; |
f73dda09 | 2034 | yyn = yytable[yyn]; |
3185942a | 2035 | if (yyn <= 0) |
f73dda09 | 2036 | { |
3185942a | 2037 | if (yyn == 0 || yyn == YYTABLE_NINF) |
f73dda09 JA |
2038 | goto yyerrlab; |
2039 | yyn = -yyn; | |
2040 | goto yyreduce; | |
2041 | } | |
726f6388 | 2042 | |
f73dda09 JA |
2043 | if (yyn == YYFINAL) |
2044 | YYACCEPT; | |
726f6388 | 2045 | |
3185942a JA |
2046 | /* Count tokens shifted since error; after three, turn off error |
2047 | status. */ | |
2048 | if (yyerrstatus) | |
2049 | yyerrstatus--; | |
b80f6443 | 2050 | |
3185942a JA |
2051 | /* Shift the look-ahead token. */ |
2052 | YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); | |
726f6388 | 2053 | |
3185942a | 2054 | /* Discard the shifted token unless it is eof. */ |
f73dda09 JA |
2055 | if (yychar != YYEOF) |
2056 | yychar = YYEMPTY; | |
28ef6c31 | 2057 | |
3185942a | 2058 | yystate = yyn; |
f73dda09 | 2059 | *++yyvsp = yylval; |
28ef6c31 | 2060 | |
f73dda09 | 2061 | goto yynewstate; |
726f6388 | 2062 | |
b80f6443 | 2063 | |
3185942a JA |
2064 | /*-----------------------------------------------------------. |
2065 | | yydefault -- do the default action for the current state. | | |
2066 | `-----------------------------------------------------------*/ | |
2067 | yydefault: | |
f73dda09 JA |
2068 | yyn = yydefact[yystate]; |
2069 | if (yyn == 0) | |
2070 | goto yyerrlab; | |
3185942a | 2071 | goto yyreduce; |
28ef6c31 | 2072 | |
3185942a JA |
2073 | |
2074 | /*-----------------------------. | |
2075 | | yyreduce -- Do a reduction. | | |
2076 | `-----------------------------*/ | |
f73dda09 | 2077 | yyreduce: |
3185942a | 2078 | /* yyn is the number of a rule to reduce with. */ |
f73dda09 | 2079 | yylen = yyr2[yyn]; |
28ef6c31 | 2080 | |
3185942a JA |
2081 | /* If YYLEN is nonzero, implement the default value of the action: |
2082 | `$$ = $1'. | |
28ef6c31 | 2083 | |
3185942a JA |
2084 | Otherwise, the following line sets YYVAL to garbage. |
2085 | This behavior is undocumented and Bison | |
2086 | users should not rely upon it. Assigning to YYVAL | |
2087 | unconditionally makes the parser a bit smaller, and it avoids a | |
2088 | GCC warning that YYVAL may be used uninitialized. */ | |
2089 | yyval = yyvsp[1-yylen]; | |
b80f6443 | 2090 | |
28ef6c31 | 2091 | |
3185942a JA |
2092 | YY_REDUCE_PRINT (yyn); |
2093 | switch (yyn) | |
2094 | { | |
2095 | case 2: | |
ac50fbac | 2096 | #line 378 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2097 | { |
f73dda09 JA |
2098 | /* Case of regular command. Discard the error |
2099 | safety net,and return the command just parsed. */ | |
3185942a | 2100 | global_command = (yyvsp[(1) - (2)].command); |
f73dda09 | 2101 | eof_encountered = 0; |
7117c2d2 | 2102 | /* discard_parser_constructs (0); */ |
3185942a JA |
2103 | if (parser_state & PST_CMDSUBST) |
2104 | parser_state |= PST_EOFTOKEN; | |
f73dda09 | 2105 | YYACCEPT; |
3185942a JA |
2106 | } |
2107 | break; | |
2108 | ||
2109 | case 3: | |
ac50fbac | 2110 | #line 389 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2111 | { |
f73dda09 JA |
2112 | /* Case of regular command, but not a very |
2113 | interesting one. Return a NULL command. */ | |
2114 | global_command = (COMMAND *)NULL; | |
3185942a JA |
2115 | if (parser_state & PST_CMDSUBST) |
2116 | parser_state |= PST_EOFTOKEN; | |
f73dda09 | 2117 | YYACCEPT; |
3185942a JA |
2118 | } |
2119 | break; | |
2120 | ||
2121 | case 4: | |
ac50fbac | 2122 | #line 398 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2123 | { |
f73dda09 JA |
2124 | /* Error during parsing. Return NULL command. */ |
2125 | global_command = (COMMAND *)NULL; | |
2126 | eof_encountered = 0; | |
7117c2d2 | 2127 | /* discard_parser_constructs (1); */ |
3185942a | 2128 | if (interactive && parse_and_execute_level == 0) |
f73dda09 JA |
2129 | { |
2130 | YYACCEPT; | |
2131 | } | |
2132 | else | |
2133 | { | |
2134 | YYABORT; | |
2135 | } | |
3185942a JA |
2136 | } |
2137 | break; | |
2138 | ||
2139 | case 5: | |
ac50fbac | 2140 | #line 413 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2141 | { |
f73dda09 JA |
2142 | /* Case of EOF seen by itself. Do ignoreeof or |
2143 | not. */ | |
2144 | global_command = (COMMAND *)NULL; | |
2145 | handle_eof_input_unit (); | |
2146 | YYACCEPT; | |
3185942a JA |
2147 | } |
2148 | break; | |
2149 | ||
2150 | case 6: | |
ac50fbac | 2151 | #line 423 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2152 | { (yyval.word_list) = make_word_list ((yyvsp[(1) - (1)].word), (WORD_LIST *)NULL); } |
2153 | break; | |
2154 | ||
2155 | case 7: | |
ac50fbac | 2156 | #line 425 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2157 | { (yyval.word_list) = make_word_list ((yyvsp[(2) - (2)].word), (yyvsp[(1) - (2)].word_list)); } |
2158 | break; | |
2159 | ||
2160 | case 8: | |
ac50fbac | 2161 | #line 429 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2162 | { |
0001803f | 2163 | source.dest = 1; |
3185942a | 2164 | redir.filename = (yyvsp[(2) - (2)].word); |
0001803f | 2165 | (yyval.redirect) = make_redirection (source, r_output_direction, redir, 0); |
3185942a JA |
2166 | } |
2167 | break; | |
2168 | ||
2169 | case 9: | |
ac50fbac | 2170 | #line 435 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2171 | { |
0001803f | 2172 | source.dest = 0; |
3185942a | 2173 | redir.filename = (yyvsp[(2) - (2)].word); |
0001803f | 2174 | (yyval.redirect) = make_redirection (source, r_input_direction, redir, 0); |
3185942a JA |
2175 | } |
2176 | break; | |
2177 | ||
2178 | case 10: | |
ac50fbac | 2179 | #line 441 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2180 | { |
0001803f | 2181 | source.dest = (yyvsp[(1) - (3)].number); |
3185942a | 2182 | redir.filename = (yyvsp[(3) - (3)].word); |
0001803f | 2183 | (yyval.redirect) = make_redirection (source, r_output_direction, redir, 0); |
3185942a JA |
2184 | } |
2185 | break; | |
2186 | ||
2187 | case 11: | |
ac50fbac | 2188 | #line 447 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2189 | { |
0001803f | 2190 | source.dest = (yyvsp[(1) - (3)].number); |
3185942a | 2191 | redir.filename = (yyvsp[(3) - (3)].word); |
0001803f | 2192 | (yyval.redirect) = make_redirection (source, r_input_direction, redir, 0); |
3185942a JA |
2193 | } |
2194 | break; | |
2195 | ||
2196 | case 12: | |
ac50fbac | 2197 | #line 453 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2198 | { |
0001803f CR |
2199 | source.filename = (yyvsp[(1) - (3)].word); |
2200 | redir.filename = (yyvsp[(3) - (3)].word); | |
2201 | (yyval.redirect) = make_redirection (source, r_output_direction, redir, REDIR_VARASSIGN); | |
3185942a JA |
2202 | } |
2203 | break; | |
2204 | ||
2205 | case 13: | |
ac50fbac | 2206 | #line 459 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2207 | { |
0001803f | 2208 | source.filename = (yyvsp[(1) - (3)].word); |
3185942a | 2209 | redir.filename = (yyvsp[(3) - (3)].word); |
0001803f | 2210 | (yyval.redirect) = make_redirection (source, r_input_direction, redir, REDIR_VARASSIGN); |
3185942a JA |
2211 | } |
2212 | break; | |
2213 | ||
2214 | case 14: | |
ac50fbac | 2215 | #line 465 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2216 | { |
0001803f | 2217 | source.dest = 1; |
3185942a | 2218 | redir.filename = (yyvsp[(2) - (2)].word); |
0001803f | 2219 | (yyval.redirect) = make_redirection (source, r_appending_to, redir, 0); |
3185942a JA |
2220 | } |
2221 | break; | |
2222 | ||
2223 | case 15: | |
ac50fbac | 2224 | #line 471 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2225 | { |
0001803f | 2226 | source.dest = (yyvsp[(1) - (3)].number); |
3185942a | 2227 | redir.filename = (yyvsp[(3) - (3)].word); |
0001803f | 2228 | (yyval.redirect) = make_redirection (source, r_appending_to, redir, 0); |
3185942a JA |
2229 | } |
2230 | break; | |
2231 | ||
2232 | case 16: | |
ac50fbac | 2233 | #line 477 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2234 | { |
0001803f CR |
2235 | source.filename = (yyvsp[(1) - (3)].word); |
2236 | redir.filename = (yyvsp[(3) - (3)].word); | |
2237 | (yyval.redirect) = make_redirection (source, r_appending_to, redir, REDIR_VARASSIGN); | |
3185942a JA |
2238 | } |
2239 | break; | |
2240 | ||
2241 | case 17: | |
ac50fbac | 2242 | #line 483 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2243 | { |
0001803f CR |
2244 | source.dest = 1; |
2245 | redir.filename = (yyvsp[(2) - (2)].word); | |
2246 | (yyval.redirect) = make_redirection (source, r_output_force, redir, 0); | |
3185942a JA |
2247 | } |
2248 | break; | |
2249 | ||
2250 | case 18: | |
ac50fbac | 2251 | #line 489 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2252 | { |
0001803f CR |
2253 | source.dest = (yyvsp[(1) - (3)].number); |
2254 | redir.filename = (yyvsp[(3) - (3)].word); | |
2255 | (yyval.redirect) = make_redirection (source, r_output_force, redir, 0); | |
3185942a JA |
2256 | } |
2257 | break; | |
2258 | ||
2259 | case 19: | |
ac50fbac | 2260 | #line 495 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2261 | { |
0001803f CR |
2262 | source.filename = (yyvsp[(1) - (3)].word); |
2263 | redir.filename = (yyvsp[(3) - (3)].word); | |
2264 | (yyval.redirect) = make_redirection (source, r_output_force, redir, REDIR_VARASSIGN); | |
3185942a JA |
2265 | } |
2266 | break; | |
2267 | ||
2268 | case 20: | |
ac50fbac | 2269 | #line 501 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2270 | { |
0001803f CR |
2271 | source.dest = 0; |
2272 | redir.filename = (yyvsp[(2) - (2)].word); | |
2273 | (yyval.redirect) = make_redirection (source, r_input_output, redir, 0); | |
3185942a JA |
2274 | } |
2275 | break; | |
2276 | ||
2277 | case 21: | |
ac50fbac | 2278 | #line 507 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2279 | { |
0001803f CR |
2280 | source.dest = (yyvsp[(1) - (3)].number); |
2281 | redir.filename = (yyvsp[(3) - (3)].word); | |
2282 | (yyval.redirect) = make_redirection (source, r_input_output, redir, 0); | |
3185942a JA |
2283 | } |
2284 | break; | |
2285 | ||
2286 | case 22: | |
ac50fbac | 2287 | #line 513 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2288 | { |
0001803f CR |
2289 | source.filename = (yyvsp[(1) - (3)].word); |
2290 | redir.filename = (yyvsp[(3) - (3)].word); | |
2291 | (yyval.redirect) = make_redirection (source, r_input_output, redir, REDIR_VARASSIGN); | |
3185942a JA |
2292 | } |
2293 | break; | |
2294 | ||
2295 | case 23: | |
ac50fbac | 2296 | #line 519 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2297 | { |
0001803f CR |
2298 | source.dest = 0; |
2299 | redir.filename = (yyvsp[(2) - (2)].word); | |
2300 | (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0); | |
2301 | redir_stack[need_here_doc++] = (yyval.redirect); | |
3185942a JA |
2302 | } |
2303 | break; | |
2304 | ||
2305 | case 24: | |
ac50fbac | 2306 | #line 526 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2307 | { |
0001803f CR |
2308 | source.dest = (yyvsp[(1) - (3)].number); |
2309 | redir.filename = (yyvsp[(3) - (3)].word); | |
2310 | (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0); | |
2311 | redir_stack[need_here_doc++] = (yyval.redirect); | |
3185942a JA |
2312 | } |
2313 | break; | |
2314 | ||
2315 | case 25: | |
ac50fbac | 2316 | #line 533 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2317 | { |
0001803f | 2318 | source.filename = (yyvsp[(1) - (3)].word); |
3185942a | 2319 | redir.filename = (yyvsp[(3) - (3)].word); |
0001803f CR |
2320 | (yyval.redirect) = make_redirection (source, r_reading_until, redir, REDIR_VARASSIGN); |
2321 | redir_stack[need_here_doc++] = (yyval.redirect); | |
3185942a JA |
2322 | } |
2323 | break; | |
2324 | ||
2325 | case 26: | |
ac50fbac | 2326 | #line 540 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2327 | { |
0001803f | 2328 | source.dest = 0; |
3185942a | 2329 | redir.filename = (yyvsp[(2) - (2)].word); |
0001803f | 2330 | (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0); |
3185942a JA |
2331 | redir_stack[need_here_doc++] = (yyval.redirect); |
2332 | } | |
2333 | break; | |
2334 | ||
2335 | case 27: | |
ac50fbac | 2336 | #line 547 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2337 | { |
0001803f | 2338 | source.dest = (yyvsp[(1) - (3)].number); |
3185942a | 2339 | redir.filename = (yyvsp[(3) - (3)].word); |
0001803f | 2340 | (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0); |
3185942a JA |
2341 | redir_stack[need_here_doc++] = (yyval.redirect); |
2342 | } | |
2343 | break; | |
2344 | ||
2345 | case 28: | |
ac50fbac | 2346 | #line 554 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2347 | { |
0001803f CR |
2348 | source.filename = (yyvsp[(1) - (3)].word); |
2349 | redir.filename = (yyvsp[(3) - (3)].word); | |
2350 | (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, REDIR_VARASSIGN); | |
2351 | redir_stack[need_here_doc++] = (yyval.redirect); | |
3185942a JA |
2352 | } |
2353 | break; | |
2354 | ||
2355 | case 29: | |
ac50fbac | 2356 | #line 561 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2357 | { |
0001803f CR |
2358 | source.dest = 0; |
2359 | redir.filename = (yyvsp[(2) - (2)].word); | |
2360 | (yyval.redirect) = make_redirection (source, r_reading_string, redir, 0); | |
3185942a JA |
2361 | } |
2362 | break; | |
2363 | ||
2364 | case 30: | |
ac50fbac | 2365 | #line 567 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2366 | { |
0001803f CR |
2367 | source.dest = (yyvsp[(1) - (3)].number); |
2368 | redir.filename = (yyvsp[(3) - (3)].word); | |
2369 | (yyval.redirect) = make_redirection (source, r_reading_string, redir, 0); | |
3185942a JA |
2370 | } |
2371 | break; | |
2372 | ||
2373 | case 31: | |
ac50fbac | 2374 | #line 573 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2375 | { |
0001803f CR |
2376 | source.filename = (yyvsp[(1) - (3)].word); |
2377 | redir.filename = (yyvsp[(3) - (3)].word); | |
2378 | (yyval.redirect) = make_redirection (source, r_reading_string, redir, REDIR_VARASSIGN); | |
3185942a JA |
2379 | } |
2380 | break; | |
2381 | ||
2382 | case 32: | |
ac50fbac | 2383 | #line 579 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2384 | { |
0001803f CR |
2385 | source.dest = 0; |
2386 | redir.dest = (yyvsp[(2) - (2)].number); | |
2387 | (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, 0); | |
3185942a JA |
2388 | } |
2389 | break; | |
2390 | ||
2391 | case 33: | |
ac50fbac | 2392 | #line 585 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2393 | { |
0001803f CR |
2394 | source.dest = (yyvsp[(1) - (3)].number); |
2395 | redir.dest = (yyvsp[(3) - (3)].number); | |
2396 | (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, 0); | |
3185942a JA |
2397 | } |
2398 | break; | |
2399 | ||
2400 | case 34: | |
ac50fbac | 2401 | #line 591 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2402 | { |
0001803f CR |
2403 | source.filename = (yyvsp[(1) - (3)].word); |
2404 | redir.dest = (yyvsp[(3) - (3)].number); | |
2405 | (yyval.redirect) = make_redirection (source, r_duplicating_input, redir, REDIR_VARASSIGN); | |
3185942a JA |
2406 | } |
2407 | break; | |
2408 | ||
2409 | case 35: | |
ac50fbac | 2410 | #line 597 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2411 | { |
0001803f CR |
2412 | source.dest = 1; |
2413 | redir.dest = (yyvsp[(2) - (2)].number); | |
2414 | (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, 0); | |
3185942a JA |
2415 | } |
2416 | break; | |
2417 | ||
2418 | case 36: | |
ac50fbac | 2419 | #line 603 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2420 | { |
0001803f CR |
2421 | source.dest = (yyvsp[(1) - (3)].number); |
2422 | redir.dest = (yyvsp[(3) - (3)].number); | |
2423 | (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, 0); | |
3185942a JA |
2424 | } |
2425 | break; | |
2426 | ||
2427 | case 37: | |
ac50fbac | 2428 | #line 609 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2429 | { |
0001803f CR |
2430 | source.filename = (yyvsp[(1) - (3)].word); |
2431 | redir.dest = (yyvsp[(3) - (3)].number); | |
2432 | (yyval.redirect) = make_redirection (source, r_duplicating_output, redir, REDIR_VARASSIGN); | |
3185942a JA |
2433 | } |
2434 | break; | |
2435 | ||
2436 | case 38: | |
ac50fbac | 2437 | #line 615 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2438 | { |
2439 | source.dest = 0; | |
2440 | redir.filename = (yyvsp[(2) - (2)].word); | |
2441 | (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, 0); | |
2442 | } | |
3185942a JA |
2443 | break; |
2444 | ||
2445 | case 39: | |
ac50fbac | 2446 | #line 621 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2447 | { |
2448 | source.dest = (yyvsp[(1) - (3)].number); | |
2449 | redir.filename = (yyvsp[(3) - (3)].word); | |
2450 | (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, 0); | |
2451 | } | |
3185942a JA |
2452 | break; |
2453 | ||
2454 | case 40: | |
ac50fbac | 2455 | #line 627 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2456 | { |
2457 | source.filename = (yyvsp[(1) - (3)].word); | |
2458 | redir.filename = (yyvsp[(3) - (3)].word); | |
2459 | (yyval.redirect) = make_redirection (source, r_duplicating_input_word, redir, REDIR_VARASSIGN); | |
2460 | } | |
3185942a JA |
2461 | break; |
2462 | ||
2463 | case 41: | |
ac50fbac | 2464 | #line 633 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2465 | { |
0001803f CR |
2466 | source.dest = 1; |
2467 | redir.filename = (yyvsp[(2) - (2)].word); | |
2468 | (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, 0); | |
3185942a JA |
2469 | } |
2470 | break; | |
2471 | ||
2472 | case 42: | |
ac50fbac | 2473 | #line 639 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2474 | { |
2475 | source.dest = (yyvsp[(1) - (3)].number); | |
2476 | redir.filename = (yyvsp[(3) - (3)].word); | |
2477 | (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, 0); | |
2478 | } | |
2479 | break; | |
2480 | ||
2481 | case 43: | |
ac50fbac | 2482 | #line 645 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2483 | { |
2484 | source.filename = (yyvsp[(1) - (3)].word); | |
2485 | redir.filename = (yyvsp[(3) - (3)].word); | |
2486 | (yyval.redirect) = make_redirection (source, r_duplicating_output_word, redir, REDIR_VARASSIGN); | |
2487 | } | |
2488 | break; | |
2489 | ||
2490 | case 44: | |
ac50fbac | 2491 | #line 651 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2492 | { |
2493 | source.dest = 1; | |
2494 | redir.dest = 0; | |
2495 | (yyval.redirect) = make_redirection (source, r_close_this, redir, 0); | |
2496 | } | |
2497 | break; | |
2498 | ||
2499 | case 45: | |
ac50fbac | 2500 | #line 657 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2501 | { |
2502 | source.dest = (yyvsp[(1) - (3)].number); | |
2503 | redir.dest = 0; | |
2504 | (yyval.redirect) = make_redirection (source, r_close_this, redir, 0); | |
2505 | } | |
2506 | break; | |
2507 | ||
2508 | case 46: | |
ac50fbac | 2509 | #line 663 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2510 | { |
2511 | source.filename = (yyvsp[(1) - (3)].word); | |
2512 | redir.dest = 0; | |
2513 | (yyval.redirect) = make_redirection (source, r_close_this, redir, REDIR_VARASSIGN); | |
2514 | } | |
2515 | break; | |
2516 | ||
2517 | case 47: | |
ac50fbac | 2518 | #line 669 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2519 | { |
2520 | source.dest = 0; | |
2521 | redir.dest = 0; | |
2522 | (yyval.redirect) = make_redirection (source, r_close_this, redir, 0); | |
2523 | } | |
2524 | break; | |
2525 | ||
2526 | case 48: | |
ac50fbac | 2527 | #line 675 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2528 | { |
2529 | source.dest = (yyvsp[(1) - (3)].number); | |
2530 | redir.dest = 0; | |
2531 | (yyval.redirect) = make_redirection (source, r_close_this, redir, 0); | |
2532 | } | |
2533 | break; | |
2534 | ||
2535 | case 49: | |
ac50fbac | 2536 | #line 681 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2537 | { |
2538 | source.filename = (yyvsp[(1) - (3)].word); | |
2539 | redir.dest = 0; | |
2540 | (yyval.redirect) = make_redirection (source, r_close_this, redir, REDIR_VARASSIGN); | |
2541 | } | |
2542 | break; | |
2543 | ||
2544 | case 50: | |
ac50fbac | 2545 | #line 687 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2546 | { |
2547 | source.dest = 1; | |
2548 | redir.filename = (yyvsp[(2) - (2)].word); | |
2549 | (yyval.redirect) = make_redirection (source, r_err_and_out, redir, 0); | |
2550 | } | |
2551 | break; | |
2552 | ||
2553 | case 51: | |
ac50fbac | 2554 | #line 693 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2555 | { |
2556 | source.dest = 1; | |
2557 | redir.filename = (yyvsp[(2) - (2)].word); | |
2558 | (yyval.redirect) = make_redirection (source, r_append_err_and_out, redir, 0); | |
2559 | } | |
2560 | break; | |
2561 | ||
2562 | case 52: | |
ac50fbac | 2563 | #line 701 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2564 | { (yyval.element).word = (yyvsp[(1) - (1)].word); (yyval.element).redirect = 0; } |
2565 | break; | |
2566 | ||
2567 | case 53: | |
ac50fbac | 2568 | #line 703 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2569 | { (yyval.element).word = (yyvsp[(1) - (1)].word); (yyval.element).redirect = 0; } |
2570 | break; | |
2571 | ||
2572 | case 54: | |
ac50fbac | 2573 | #line 705 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2574 | { (yyval.element).redirect = (yyvsp[(1) - (1)].redirect); (yyval.element).word = 0; } |
2575 | break; | |
2576 | ||
2577 | case 55: | |
ac50fbac | 2578 | #line 709 "/usr/homes/chet/src/bash/src/parse.y" |
0001803f CR |
2579 | { |
2580 | (yyval.redirect) = (yyvsp[(1) - (1)].redirect); | |
2581 | } | |
2582 | break; | |
2583 | ||
2584 | case 56: | |
ac50fbac | 2585 | #line 713 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2586 | { |
f73dda09 JA |
2587 | register REDIRECT *t; |
2588 | ||
3185942a | 2589 | for (t = (yyvsp[(1) - (2)].redirect); t->next; t = t->next) |
f73dda09 | 2590 | ; |
3185942a JA |
2591 | t->next = (yyvsp[(2) - (2)].redirect); |
2592 | (yyval.redirect) = (yyvsp[(1) - (2)].redirect); | |
2593 | } | |
2594 | break; | |
2595 | ||
0001803f | 2596 | case 57: |
ac50fbac | 2597 | #line 724 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2598 | { (yyval.command) = make_simple_command ((yyvsp[(1) - (1)].element), (COMMAND *)NULL); } |
2599 | break; | |
2600 | ||
0001803f | 2601 | case 58: |
ac50fbac | 2602 | #line 726 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2603 | { (yyval.command) = make_simple_command ((yyvsp[(2) - (2)].element), (yyvsp[(1) - (2)].command)); } |
2604 | break; | |
2605 | ||
0001803f | 2606 | case 59: |
ac50fbac | 2607 | #line 730 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2608 | { (yyval.command) = clean_simple_command ((yyvsp[(1) - (1)].command)); } |
2609 | break; | |
2610 | ||
0001803f | 2611 | case 60: |
ac50fbac | 2612 | #line 732 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2613 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2614 | break; | |
2615 | ||
0001803f | 2616 | case 61: |
ac50fbac | 2617 | #line 734 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2618 | { |
f73dda09 JA |
2619 | COMMAND *tc; |
2620 | ||
3185942a | 2621 | tc = (yyvsp[(1) - (2)].command); |
f73dda09 JA |
2622 | if (tc->redirects) |
2623 | { | |
2624 | register REDIRECT *t; | |
2625 | for (t = tc->redirects; t->next; t = t->next) | |
2626 | ; | |
3185942a | 2627 | t->next = (yyvsp[(2) - (2)].redirect); |
f73dda09 JA |
2628 | } |
2629 | else | |
3185942a JA |
2630 | tc->redirects = (yyvsp[(2) - (2)].redirect); |
2631 | (yyval.command) = (yyvsp[(1) - (2)].command); | |
2632 | } | |
2633 | break; | |
2634 | ||
0001803f | 2635 | case 62: |
ac50fbac | 2636 | #line 750 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2637 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2638 | break; | |
2639 | ||
0001803f | 2640 | case 63: |
ac50fbac | 2641 | #line 752 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2642 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2643 | break; | |
2644 | ||
0001803f | 2645 | case 64: |
ac50fbac | 2646 | #line 756 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2647 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2648 | break; | |
2649 | ||
0001803f | 2650 | case 65: |
ac50fbac | 2651 | #line 758 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2652 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2653 | break; | |
2654 | ||
0001803f | 2655 | case 66: |
ac50fbac | 2656 | #line 760 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2657 | { (yyval.command) = make_while_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command)); } |
2658 | break; | |
2659 | ||
0001803f | 2660 | case 67: |
ac50fbac | 2661 | #line 762 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2662 | { (yyval.command) = make_until_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command)); } |
2663 | break; | |
2664 | ||
0001803f | 2665 | case 68: |
ac50fbac | 2666 | #line 764 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2667 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2668 | break; | |
2669 | ||
0001803f | 2670 | case 69: |
ac50fbac | 2671 | #line 766 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2672 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2673 | break; | |
2674 | ||
0001803f | 2675 | case 70: |
ac50fbac | 2676 | #line 768 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2677 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2678 | break; | |
2679 | ||
0001803f | 2680 | case 71: |
ac50fbac | 2681 | #line 770 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2682 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2683 | break; | |
2684 | ||
0001803f | 2685 | case 72: |
ac50fbac | 2686 | #line 772 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2687 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2688 | break; | |
2689 | ||
0001803f | 2690 | case 73: |
ac50fbac | 2691 | #line 774 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2692 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2693 | break; | |
2694 | ||
0001803f | 2695 | case 74: |
ac50fbac | 2696 | #line 776 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2697 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2698 | break; | |
2699 | ||
0001803f | 2700 | case 75: |
ac50fbac | 2701 | #line 780 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2702 | { |
2703 | (yyval.command) = make_for_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]); | |
b80f6443 | 2704 | if (word_top > 0) word_top--; |
3185942a JA |
2705 | } |
2706 | break; | |
2707 | ||
0001803f | 2708 | case 76: |
ac50fbac | 2709 | #line 785 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2710 | { |
2711 | (yyval.command) = make_for_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]); | |
b80f6443 | 2712 | if (word_top > 0) word_top--; |
3185942a JA |
2713 | } |
2714 | break; | |
2715 | ||
0001803f | 2716 | case 77: |
ac50fbac | 2717 | #line 790 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2718 | { |
2719 | (yyval.command) = make_for_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]); | |
b80f6443 | 2720 | if (word_top > 0) word_top--; |
3185942a JA |
2721 | } |
2722 | break; | |
2723 | ||
0001803f | 2724 | case 78: |
ac50fbac | 2725 | #line 795 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2726 | { |
2727 | (yyval.command) = make_for_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]); | |
b80f6443 | 2728 | if (word_top > 0) word_top--; |
3185942a JA |
2729 | } |
2730 | break; | |
2731 | ||
0001803f | 2732 | case 79: |
ac50fbac | 2733 | #line 800 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2734 | { |
2735 | (yyval.command) = make_for_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]); | |
b80f6443 | 2736 | if (word_top > 0) word_top--; |
3185942a JA |
2737 | } |
2738 | break; | |
2739 | ||
0001803f | 2740 | case 80: |
ac50fbac | 2741 | #line 805 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2742 | { |
2743 | (yyval.command) = make_for_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]); | |
b80f6443 | 2744 | if (word_top > 0) word_top--; |
3185942a JA |
2745 | } |
2746 | break; | |
2747 | ||
0001803f | 2748 | case 81: |
ac50fbac | 2749 | #line 810 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2750 | { |
2751 | (yyval.command) = make_for_command ((yyvsp[(2) - (9)].word), (WORD_LIST *)NULL, (yyvsp[(8) - (9)].command), word_lineno[word_top]); | |
b80f6443 | 2752 | if (word_top > 0) word_top--; |
3185942a JA |
2753 | } |
2754 | break; | |
2755 | ||
0001803f | 2756 | case 82: |
ac50fbac | 2757 | #line 815 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2758 | { |
2759 | (yyval.command) = make_for_command ((yyvsp[(2) - (9)].word), (WORD_LIST *)NULL, (yyvsp[(8) - (9)].command), word_lineno[word_top]); | |
b80f6443 | 2760 | if (word_top > 0) word_top--; |
3185942a JA |
2761 | } |
2762 | break; | |
2763 | ||
0001803f | 2764 | case 83: |
ac50fbac | 2765 | #line 822 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2766 | { |
2767 | (yyval.command) = make_arith_for_command ((yyvsp[(2) - (7)].word_list), (yyvsp[(6) - (7)].command), arith_for_lineno); | |
b80f6443 | 2768 | if (word_top > 0) word_top--; |
3185942a JA |
2769 | } |
2770 | break; | |
2771 | ||
0001803f | 2772 | case 84: |
ac50fbac | 2773 | #line 827 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2774 | { |
2775 | (yyval.command) = make_arith_for_command ((yyvsp[(2) - (7)].word_list), (yyvsp[(6) - (7)].command), arith_for_lineno); | |
b80f6443 | 2776 | if (word_top > 0) word_top--; |
3185942a JA |
2777 | } |
2778 | break; | |
2779 | ||
0001803f | 2780 | case 85: |
ac50fbac | 2781 | #line 832 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2782 | { |
2783 | (yyval.command) = make_arith_for_command ((yyvsp[(2) - (5)].word_list), (yyvsp[(4) - (5)].command), arith_for_lineno); | |
b80f6443 | 2784 | if (word_top > 0) word_top--; |
3185942a JA |
2785 | } |
2786 | break; | |
2787 | ||
0001803f | 2788 | case 86: |
ac50fbac | 2789 | #line 837 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2790 | { |
2791 | (yyval.command) = make_arith_for_command ((yyvsp[(2) - (5)].word_list), (yyvsp[(4) - (5)].command), arith_for_lineno); | |
b80f6443 | 2792 | if (word_top > 0) word_top--; |
3185942a JA |
2793 | } |
2794 | break; | |
2795 | ||
0001803f | 2796 | case 87: |
ac50fbac | 2797 | #line 844 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2798 | { |
2799 | (yyval.command) = make_select_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]); | |
b80f6443 | 2800 | if (word_top > 0) word_top--; |
3185942a JA |
2801 | } |
2802 | break; | |
2803 | ||
0001803f | 2804 | case 88: |
ac50fbac | 2805 | #line 849 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2806 | { |
2807 | (yyval.command) = make_select_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]); | |
b80f6443 | 2808 | if (word_top > 0) word_top--; |
3185942a JA |
2809 | } |
2810 | break; | |
2811 | ||
0001803f | 2812 | case 89: |
ac50fbac | 2813 | #line 854 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2814 | { |
2815 | (yyval.command) = make_select_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]); | |
b80f6443 | 2816 | if (word_top > 0) word_top--; |
3185942a JA |
2817 | } |
2818 | break; | |
2819 | ||
0001803f | 2820 | case 90: |
ac50fbac | 2821 | #line 859 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2822 | { |
2823 | (yyval.command) = make_select_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]); | |
b80f6443 | 2824 | if (word_top > 0) word_top--; |
3185942a JA |
2825 | } |
2826 | break; | |
2827 | ||
0001803f | 2828 | case 91: |
ac50fbac | 2829 | #line 864 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2830 | { |
2831 | (yyval.command) = make_select_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]); | |
b80f6443 | 2832 | if (word_top > 0) word_top--; |
3185942a JA |
2833 | } |
2834 | break; | |
2835 | ||
0001803f | 2836 | case 92: |
ac50fbac | 2837 | #line 869 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2838 | { |
2839 | (yyval.command) = make_select_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]); | |
b80f6443 | 2840 | if (word_top > 0) word_top--; |
3185942a JA |
2841 | } |
2842 | break; | |
2843 | ||
0001803f | 2844 | case 93: |
ac50fbac | 2845 | #line 876 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2846 | { |
2847 | (yyval.command) = make_case_command ((yyvsp[(2) - (6)].word), (PATTERN_LIST *)NULL, word_lineno[word_top]); | |
b80f6443 | 2848 | if (word_top > 0) word_top--; |
3185942a JA |
2849 | } |
2850 | break; | |
2851 | ||
0001803f | 2852 | case 94: |
ac50fbac | 2853 | #line 881 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2854 | { |
2855 | (yyval.command) = make_case_command ((yyvsp[(2) - (7)].word), (yyvsp[(5) - (7)].pattern), word_lineno[word_top]); | |
b80f6443 | 2856 | if (word_top > 0) word_top--; |
3185942a JA |
2857 | } |
2858 | break; | |
2859 | ||
0001803f | 2860 | case 95: |
ac50fbac | 2861 | #line 886 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2862 | { |
2863 | (yyval.command) = make_case_command ((yyvsp[(2) - (6)].word), (yyvsp[(5) - (6)].pattern), word_lineno[word_top]); | |
b80f6443 | 2864 | if (word_top > 0) word_top--; |
3185942a JA |
2865 | } |
2866 | break; | |
2867 | ||
0001803f | 2868 | case 96: |
ac50fbac | 2869 | #line 893 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2870 | { (yyval.command) = make_function_def ((yyvsp[(1) - (5)].word), (yyvsp[(5) - (5)].command), function_dstart, function_bstart); } |
2871 | break; | |
2872 | ||
0001803f | 2873 | case 97: |
ac50fbac | 2874 | #line 896 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2875 | { (yyval.command) = make_function_def ((yyvsp[(2) - (6)].word), (yyvsp[(6) - (6)].command), function_dstart, function_bstart); } |
2876 | break; | |
2877 | ||
0001803f | 2878 | case 98: |
ac50fbac | 2879 | #line 899 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2880 | { (yyval.command) = make_function_def ((yyvsp[(2) - (4)].word), (yyvsp[(4) - (4)].command), function_dstart, function_bstart); } |
2881 | break; | |
2882 | ||
0001803f | 2883 | case 99: |
ac50fbac | 2884 | #line 903 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2885 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
2886 | break; | |
2887 | ||
0001803f | 2888 | case 100: |
ac50fbac | 2889 | #line 905 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 2890 | { |
f73dda09 JA |
2891 | COMMAND *tc; |
2892 | ||
3185942a | 2893 | tc = (yyvsp[(1) - (2)].command); |
f73dda09 JA |
2894 | /* According to Posix.2 3.9.5, redirections |
2895 | specified after the body of a function should | |
2896 | be attached to the function and performed when | |
2897 | the function is executed, not as part of the | |
2898 | function definition command. */ | |
2899 | /* XXX - I don't think it matters, but we might | |
2900 | want to change this in the future to avoid | |
2901 | problems differentiating between a function | |
2902 | definition with a redirection and a function | |
2903 | definition containing a single command with a | |
2904 | redirection. The two are semantically equivalent, | |
2905 | though -- the only difference is in how the | |
2906 | command printing code displays the redirections. */ | |
2907 | if (tc->redirects) | |
2908 | { | |
2909 | register REDIRECT *t; | |
2910 | for (t = tc->redirects; t->next; t = t->next) | |
2911 | ; | |
3185942a | 2912 | t->next = (yyvsp[(2) - (2)].redirect); |
f73dda09 JA |
2913 | } |
2914 | else | |
3185942a JA |
2915 | tc->redirects = (yyvsp[(2) - (2)].redirect); |
2916 | (yyval.command) = (yyvsp[(1) - (2)].command); | |
2917 | } | |
2918 | break; | |
2919 | ||
0001803f | 2920 | case 101: |
ac50fbac | 2921 | #line 936 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2922 | { |
2923 | (yyval.command) = make_subshell_command ((yyvsp[(2) - (3)].command)); | |
2924 | (yyval.command)->flags |= CMD_WANT_SUBSHELL; | |
2925 | } | |
2926 | break; | |
2927 | ||
0001803f | 2928 | case 102: |
ac50fbac | 2929 | #line 943 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2930 | { |
2931 | (yyval.command) = make_coproc_command ("COPROC", (yyvsp[(2) - (2)].command)); | |
2932 | (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL; | |
2933 | } | |
2934 | break; | |
2935 | ||
0001803f | 2936 | case 103: |
ac50fbac | 2937 | #line 948 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2938 | { |
2939 | COMMAND *tc; | |
2940 | ||
2941 | tc = (yyvsp[(2) - (3)].command); | |
2942 | if (tc->redirects) | |
2943 | { | |
2944 | register REDIRECT *t; | |
2945 | for (t = tc->redirects; t->next; t = t->next) | |
2946 | ; | |
2947 | t->next = (yyvsp[(3) - (3)].redirect); | |
2948 | } | |
2949 | else | |
2950 | tc->redirects = (yyvsp[(3) - (3)].redirect); | |
2951 | (yyval.command) = make_coproc_command ("COPROC", (yyvsp[(2) - (3)].command)); | |
2952 | (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL; | |
2953 | } | |
2954 | break; | |
2955 | ||
0001803f | 2956 | case 104: |
ac50fbac | 2957 | #line 965 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2958 | { |
2959 | (yyval.command) = make_coproc_command ((yyvsp[(2) - (3)].word)->word, (yyvsp[(3) - (3)].command)); | |
2960 | (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL; | |
2961 | } | |
2962 | break; | |
2963 | ||
0001803f | 2964 | case 105: |
ac50fbac | 2965 | #line 970 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2966 | { |
2967 | COMMAND *tc; | |
2968 | ||
2969 | tc = (yyvsp[(3) - (4)].command); | |
2970 | if (tc->redirects) | |
2971 | { | |
2972 | register REDIRECT *t; | |
2973 | for (t = tc->redirects; t->next; t = t->next) | |
2974 | ; | |
2975 | t->next = (yyvsp[(4) - (4)].redirect); | |
2976 | } | |
2977 | else | |
2978 | tc->redirects = (yyvsp[(4) - (4)].redirect); | |
2979 | (yyval.command) = make_coproc_command ((yyvsp[(2) - (4)].word)->word, (yyvsp[(3) - (4)].command)); | |
2980 | (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL; | |
2981 | } | |
2982 | break; | |
2983 | ||
0001803f | 2984 | case 106: |
ac50fbac | 2985 | #line 987 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2986 | { |
2987 | (yyval.command) = make_coproc_command ("COPROC", clean_simple_command ((yyvsp[(2) - (2)].command))); | |
2988 | (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL; | |
2989 | } | |
2990 | break; | |
2991 | ||
0001803f | 2992 | case 107: |
ac50fbac | 2993 | #line 994 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2994 | { (yyval.command) = make_if_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command), (COMMAND *)NULL); } |
2995 | break; | |
2996 | ||
0001803f | 2997 | case 108: |
ac50fbac | 2998 | #line 996 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
2999 | { (yyval.command) = make_if_command ((yyvsp[(2) - (7)].command), (yyvsp[(4) - (7)].command), (yyvsp[(6) - (7)].command)); } |
3000 | break; | |
3001 | ||
0001803f | 3002 | case 109: |
ac50fbac | 3003 | #line 998 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3004 | { (yyval.command) = make_if_command ((yyvsp[(2) - (6)].command), (yyvsp[(4) - (6)].command), (yyvsp[(5) - (6)].command)); } |
3005 | break; | |
3006 | ||
0001803f | 3007 | case 110: |
ac50fbac | 3008 | #line 1003 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3009 | { (yyval.command) = make_group_command ((yyvsp[(2) - (3)].command)); } |
3010 | break; | |
3011 | ||
0001803f | 3012 | case 111: |
ac50fbac | 3013 | #line 1007 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3014 | { (yyval.command) = make_arith_command ((yyvsp[(1) - (1)].word_list)); } |
3015 | break; | |
3016 | ||
0001803f | 3017 | case 112: |
ac50fbac | 3018 | #line 1011 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3019 | { (yyval.command) = (yyvsp[(2) - (3)].command); } |
3020 | break; | |
3021 | ||
0001803f | 3022 | case 113: |
ac50fbac | 3023 | #line 1015 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3024 | { (yyval.command) = make_if_command ((yyvsp[(2) - (4)].command), (yyvsp[(4) - (4)].command), (COMMAND *)NULL); } |
3025 | break; | |
3026 | ||
0001803f | 3027 | case 114: |
ac50fbac | 3028 | #line 1017 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3029 | { (yyval.command) = make_if_command ((yyvsp[(2) - (6)].command), (yyvsp[(4) - (6)].command), (yyvsp[(6) - (6)].command)); } |
3030 | break; | |
3031 | ||
0001803f | 3032 | case 115: |
ac50fbac | 3033 | #line 1019 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3034 | { (yyval.command) = make_if_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command), (yyvsp[(5) - (5)].command)); } |
3035 | break; | |
3036 | ||
0001803f | 3037 | case 117: |
ac50fbac | 3038 | #line 1024 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3039 | { (yyvsp[(2) - (2)].pattern)->next = (yyvsp[(1) - (2)].pattern); (yyval.pattern) = (yyvsp[(2) - (2)].pattern); } |
3040 | break; | |
3041 | ||
0001803f | 3042 | case 118: |
ac50fbac | 3043 | #line 1028 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3044 | { (yyval.pattern) = make_pattern_list ((yyvsp[(2) - (4)].word_list), (yyvsp[(4) - (4)].command)); } |
3045 | break; | |
3046 | ||
0001803f | 3047 | case 119: |
ac50fbac | 3048 | #line 1030 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3049 | { (yyval.pattern) = make_pattern_list ((yyvsp[(2) - (4)].word_list), (COMMAND *)NULL); } |
3050 | break; | |
3051 | ||
0001803f | 3052 | case 120: |
ac50fbac | 3053 | #line 1032 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3054 | { (yyval.pattern) = make_pattern_list ((yyvsp[(3) - (5)].word_list), (yyvsp[(5) - (5)].command)); } |
3055 | break; | |
3056 | ||
0001803f | 3057 | case 121: |
ac50fbac | 3058 | #line 1034 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3059 | { (yyval.pattern) = make_pattern_list ((yyvsp[(3) - (5)].word_list), (COMMAND *)NULL); } |
3060 | break; | |
3061 | ||
0001803f | 3062 | case 122: |
ac50fbac | 3063 | #line 1038 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3064 | { (yyval.pattern) = (yyvsp[(1) - (2)].pattern); } |
3065 | break; | |
3066 | ||
0001803f | 3067 | case 123: |
ac50fbac | 3068 | #line 1040 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3069 | { (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); } |
3070 | break; | |
3071 | ||
0001803f | 3072 | case 124: |
ac50fbac | 3073 | #line 1042 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3074 | { (yyvsp[(1) - (2)].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyval.pattern) = (yyvsp[(1) - (2)].pattern); } |
3075 | break; | |
3076 | ||
0001803f | 3077 | case 125: |
ac50fbac | 3078 | #line 1044 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3079 | { (yyvsp[(2) - (3)].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); } |
3080 | break; | |
3081 | ||
0001803f | 3082 | case 126: |
ac50fbac | 3083 | #line 1046 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3084 | { (yyvsp[(1) - (2)].pattern)->flags |= CASEPAT_TESTNEXT; (yyval.pattern) = (yyvsp[(1) - (2)].pattern); } |
3085 | break; | |
3086 | ||
0001803f | 3087 | case 127: |
ac50fbac | 3088 | #line 1048 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3089 | { (yyvsp[(2) - (3)].pattern)->flags |= CASEPAT_TESTNEXT; (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); } |
3090 | break; | |
3091 | ||
0001803f | 3092 | case 128: |
ac50fbac | 3093 | #line 1052 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3094 | { (yyval.word_list) = make_word_list ((yyvsp[(1) - (1)].word), (WORD_LIST *)NULL); } |
3095 | break; | |
3096 | ||
0001803f | 3097 | case 129: |
ac50fbac | 3098 | #line 1054 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3099 | { (yyval.word_list) = make_word_list ((yyvsp[(3) - (3)].word), (yyvsp[(1) - (3)].word_list)); } |
3100 | break; | |
3101 | ||
0001803f | 3102 | case 130: |
ac50fbac | 3103 | #line 1063 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3104 | { |
3105 | (yyval.command) = (yyvsp[(2) - (2)].command); | |
f73dda09 JA |
3106 | if (need_here_doc) |
3107 | gather_here_documents (); | |
3185942a JA |
3108 | } |
3109 | break; | |
3110 | ||
0001803f | 3111 | case 132: |
ac50fbac | 3112 | #line 1072 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3113 | { |
3114 | (yyval.command) = (yyvsp[(2) - (2)].command); | |
3115 | } | |
3116 | break; | |
3117 | ||
0001803f | 3118 | case 134: |
ac50fbac | 3119 | #line 1079 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3120 | { |
3121 | if ((yyvsp[(1) - (3)].command)->type == cm_connection) | |
3122 | (yyval.command) = connect_async_list ((yyvsp[(1) - (3)].command), (COMMAND *)NULL, '&'); | |
f73dda09 | 3123 | else |
3185942a JA |
3124 | (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (COMMAND *)NULL, '&'); |
3125 | } | |
3126 | break; | |
3127 | ||
0001803f | 3128 | case 136: |
ac50fbac | 3129 | #line 1090 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3130 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), AND_AND); } |
3131 | break; | |
3132 | ||
0001803f | 3133 | case 137: |
ac50fbac | 3134 | #line 1092 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3135 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), OR_OR); } |
3136 | break; | |
3137 | ||
0001803f | 3138 | case 138: |
ac50fbac | 3139 | #line 1094 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3140 | { |
3141 | if ((yyvsp[(1) - (4)].command)->type == cm_connection) | |
3142 | (yyval.command) = connect_async_list ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '&'); | |
f73dda09 | 3143 | else |
3185942a JA |
3144 | (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '&'); |
3145 | } | |
3146 | break; | |
3147 | ||
0001803f | 3148 | case 139: |
ac50fbac | 3149 | #line 1101 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3150 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), ';'); } |
3151 | break; | |
3152 | ||
0001803f | 3153 | case 140: |
ac50fbac | 3154 | #line 1103 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3155 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), ';'); } |
3156 | break; | |
3157 | ||
0001803f | 3158 | case 141: |
ac50fbac | 3159 | #line 1105 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3160 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
3161 | break; | |
3162 | ||
0001803f | 3163 | case 144: |
ac50fbac | 3164 | #line 1113 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3165 | { (yyval.number) = '\n'; } |
3166 | break; | |
3167 | ||
0001803f | 3168 | case 145: |
ac50fbac | 3169 | #line 1115 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3170 | { (yyval.number) = ';'; } |
3171 | break; | |
3172 | ||
0001803f | 3173 | case 146: |
ac50fbac | 3174 | #line 1117 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3175 | { (yyval.number) = yacc_EOF; } |
3176 | break; | |
3177 | ||
0001803f | 3178 | case 149: |
ac50fbac | 3179 | #line 1131 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3180 | { |
3181 | (yyval.command) = (yyvsp[(1) - (1)].command); | |
f73dda09 JA |
3182 | if (need_here_doc) |
3183 | gather_here_documents (); | |
3185942a JA |
3184 | if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token) |
3185 | { | |
3186 | global_command = (yyvsp[(1) - (1)].command); | |
3187 | eof_encountered = 0; | |
3188 | rewind_input_string (); | |
3189 | YYACCEPT; | |
3190 | } | |
3191 | } | |
3192 | break; | |
3193 | ||
0001803f | 3194 | case 150: |
ac50fbac | 3195 | #line 1144 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3196 | { |
3197 | if ((yyvsp[(1) - (2)].command)->type == cm_connection) | |
3198 | (yyval.command) = connect_async_list ((yyvsp[(1) - (2)].command), (COMMAND *)NULL, '&'); | |
f73dda09 | 3199 | else |
3185942a | 3200 | (yyval.command) = command_connect ((yyvsp[(1) - (2)].command), (COMMAND *)NULL, '&'); |
f73dda09 JA |
3201 | if (need_here_doc) |
3202 | gather_here_documents (); | |
3185942a JA |
3203 | if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token) |
3204 | { | |
3205 | global_command = (yyvsp[(1) - (2)].command); | |
3206 | eof_encountered = 0; | |
3207 | rewind_input_string (); | |
3208 | YYACCEPT; | |
3209 | } | |
3210 | } | |
3211 | break; | |
3212 | ||
0001803f | 3213 | case 151: |
ac50fbac | 3214 | #line 1160 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3215 | { |
3216 | (yyval.command) = (yyvsp[(1) - (2)].command); | |
f73dda09 JA |
3217 | if (need_here_doc) |
3218 | gather_here_documents (); | |
3185942a JA |
3219 | if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token) |
3220 | { | |
3221 | global_command = (yyvsp[(1) - (2)].command); | |
3222 | eof_encountered = 0; | |
3223 | rewind_input_string (); | |
3224 | YYACCEPT; | |
3225 | } | |
3226 | } | |
3227 | break; | |
3228 | ||
0001803f | 3229 | case 152: |
ac50fbac | 3230 | #line 1175 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3231 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), AND_AND); } |
3232 | break; | |
3233 | ||
0001803f | 3234 | case 153: |
ac50fbac | 3235 | #line 1177 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3236 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), OR_OR); } |
3237 | break; | |
3238 | ||
0001803f | 3239 | case 154: |
ac50fbac | 3240 | #line 1179 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3241 | { |
3242 | if ((yyvsp[(1) - (3)].command)->type == cm_connection) | |
3243 | (yyval.command) = connect_async_list ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), '&'); | |
f73dda09 | 3244 | else |
3185942a JA |
3245 | (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), '&'); |
3246 | } | |
3247 | break; | |
3248 | ||
0001803f | 3249 | case 155: |
ac50fbac | 3250 | #line 1186 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3251 | { (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), ';'); } |
3252 | break; | |
3253 | ||
0001803f | 3254 | case 156: |
ac50fbac | 3255 | #line 1189 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3256 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
3257 | break; | |
3258 | ||
0001803f | 3259 | case 157: |
ac50fbac | 3260 | #line 1193 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3261 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
3262 | break; | |
3263 | ||
0001803f | 3264 | case 158: |
ac50fbac | 3265 | #line 1195 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3266 | { |
3267 | if ((yyvsp[(2) - (2)].command)) | |
495aee44 | 3268 | (yyvsp[(2) - (2)].command)->flags ^= CMD_INVERT_RETURN; /* toggle */ |
3185942a JA |
3269 | (yyval.command) = (yyvsp[(2) - (2)].command); |
3270 | } | |
3271 | break; | |
3272 | ||
0001803f | 3273 | case 159: |
ac50fbac | 3274 | #line 1201 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3275 | { |
3276 | if ((yyvsp[(2) - (2)].command)) | |
3277 | (yyvsp[(2) - (2)].command)->flags |= (yyvsp[(1) - (2)].number); | |
3278 | (yyval.command) = (yyvsp[(2) - (2)].command); | |
3279 | } | |
3280 | break; | |
3281 | ||
0001803f | 3282 | case 160: |
ac50fbac | 3283 | #line 1207 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 3284 | { |
495aee44 | 3285 | ELEMENT x; |
3185942a | 3286 | |
495aee44 CR |
3287 | /* Boy, this is unclean. `time' by itself can |
3288 | time a null command. We cheat and push a | |
3289 | newline back if the list_terminator was a newline | |
3290 | to avoid the double-newline problem (one to | |
3291 | terminate this, one to terminate the command) */ | |
3292 | x.word = 0; | |
3293 | x.redirect = 0; | |
3294 | (yyval.command) = make_simple_command (x, (COMMAND *)NULL); | |
3295 | (yyval.command)->flags |= (yyvsp[(1) - (2)].number); | |
3296 | /* XXX - let's cheat and push a newline back */ | |
3297 | if ((yyvsp[(2) - (2)].number) == '\n') | |
3298 | token_to_read = '\n'; | |
3185942a JA |
3299 | } |
3300 | break; | |
3301 | ||
495aee44 | 3302 | case 161: |
ac50fbac | 3303 | #line 1224 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 3304 | { |
b80f6443 JA |
3305 | ELEMENT x; |
3306 | ||
495aee44 CR |
3307 | /* This is just as unclean. Posix says that `!' |
3308 | by itself should be equivalent to `false'. | |
3309 | We cheat and push a | |
b80f6443 JA |
3310 | newline back if the list_terminator was a newline |
3311 | to avoid the double-newline problem (one to | |
3312 | terminate this, one to terminate the command) */ | |
3313 | x.word = 0; | |
3314 | x.redirect = 0; | |
3185942a | 3315 | (yyval.command) = make_simple_command (x, (COMMAND *)NULL); |
495aee44 | 3316 | (yyval.command)->flags |= CMD_INVERT_RETURN; |
b80f6443 | 3317 | /* XXX - let's cheat and push a newline back */ |
3185942a | 3318 | if ((yyvsp[(2) - (2)].number) == '\n') |
b80f6443 | 3319 | token_to_read = '\n'; |
3185942a JA |
3320 | } |
3321 | break; | |
f73dda09 | 3322 | |
495aee44 | 3323 | case 162: |
ac50fbac | 3324 | #line 1244 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3325 | { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '|'); } |
3326 | break; | |
3327 | ||
495aee44 | 3328 | case 163: |
ac50fbac | 3329 | #line 1246 "/usr/homes/chet/src/bash/src/parse.y" |
f73dda09 | 3330 | { |
3185942a JA |
3331 | /* Make cmd1 |& cmd2 equivalent to cmd1 2>&1 | cmd2 */ |
3332 | COMMAND *tc; | |
0001803f | 3333 | REDIRECTEE rd, sd; |
3185942a JA |
3334 | REDIRECT *r; |
3335 | ||
0001803f CR |
3336 | tc = (yyvsp[(1) - (4)].command)->type == cm_simple ? (COMMAND *)(yyvsp[(1) - (4)].command)->value.Simple : (yyvsp[(1) - (4)].command); |
3337 | sd.dest = 2; | |
3185942a | 3338 | rd.dest = 1; |
0001803f | 3339 | r = make_redirection (sd, r_duplicating_output, rd, 0); |
3185942a JA |
3340 | if (tc->redirects) |
3341 | { | |
3342 | register REDIRECT *t; | |
3343 | for (t = tc->redirects; t->next; t = t->next) | |
3344 | ; | |
3345 | t->next = r; | |
3346 | } | |
3347 | else | |
3348 | tc->redirects = r; | |
3349 | ||
3350 | (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '|'); | |
3351 | } | |
3352 | break; | |
3353 | ||
495aee44 | 3354 | case 164: |
ac50fbac | 3355 | #line 1269 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3356 | { (yyval.command) = (yyvsp[(1) - (1)].command); } |
3357 | break; | |
3358 | ||
495aee44 | 3359 | case 165: |
ac50fbac | 3360 | #line 1273 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3361 | { (yyval.number) = CMD_TIME_PIPELINE; } |
3362 | break; | |
3363 | ||
495aee44 | 3364 | case 166: |
ac50fbac | 3365 | #line 1275 "/usr/homes/chet/src/bash/src/parse.y" |
495aee44 CR |
3366 | { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; } |
3367 | break; | |
3368 | ||
0001803f | 3369 | case 167: |
ac50fbac | 3370 | #line 1277 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a JA |
3371 | { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; } |
3372 | break; | |
3373 | ||
3374 | ||
3375 | /* Line 1267 of yacc.c. */ | |
ac50fbac | 3376 | #line 3377 "y.tab.c" |
3185942a | 3377 | default: break; |
f73dda09 | 3378 | } |
3185942a JA |
3379 | YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); |
3380 | ||
3381 | YYPOPSTACK (yylen); | |
3382 | yylen = 0; | |
3383 | YY_STACK_PRINT (yyss, yyssp); | |
f73dda09 JA |
3384 | |
3385 | *++yyvsp = yyval; | |
b80f6443 | 3386 | |
f73dda09 | 3387 | |
3185942a JA |
3388 | /* Now `shift' the result of the reduction. Determine what state |
3389 | that goes to, based on the state we popped back to and the rule | |
3390 | number reduced by. */ | |
f73dda09 JA |
3391 | |
3392 | yyn = yyr1[yyn]; | |
3393 | ||
3185942a JA |
3394 | yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; |
3395 | if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) | |
f73dda09 JA |
3396 | yystate = yytable[yystate]; |
3397 | else | |
3185942a | 3398 | yystate = yydefgoto[yyn - YYNTOKENS]; |
f73dda09 JA |
3399 | |
3400 | goto yynewstate; | |
3401 | ||
f73dda09 | 3402 | |
3185942a JA |
3403 | /*------------------------------------. |
3404 | | yyerrlab -- here on detecting error | | |
3405 | `------------------------------------*/ | |
3406 | yyerrlab: | |
3407 | /* If not already recovering from an error, report this error. */ | |
3408 | if (!yyerrstatus) | |
f73dda09 JA |
3409 | { |
3410 | ++yynerrs; | |
3185942a JA |
3411 | #if ! YYERROR_VERBOSE |
3412 | yyerror (YY_("syntax error")); | |
3413 | #else | |
3414 | { | |
3415 | YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); | |
3416 | if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) | |
3417 | { | |
3418 | YYSIZE_T yyalloc = 2 * yysize; | |
3419 | if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) | |
3420 | yyalloc = YYSTACK_ALLOC_MAXIMUM; | |
3421 | if (yymsg != yymsgbuf) | |
3422 | YYSTACK_FREE (yymsg); | |
3423 | yymsg = (char *) YYSTACK_ALLOC (yyalloc); | |
3424 | if (yymsg) | |
3425 | yymsg_alloc = yyalloc; | |
3426 | else | |
3427 | { | |
3428 | yymsg = yymsgbuf; | |
3429 | yymsg_alloc = sizeof yymsgbuf; | |
3430 | } | |
3431 | } | |
f73dda09 | 3432 | |
3185942a JA |
3433 | if (0 < yysize && yysize <= yymsg_alloc) |
3434 | { | |
3435 | (void) yysyntax_error (yymsg, yystate, yychar); | |
3436 | yyerror (yymsg); | |
3437 | } | |
3438 | else | |
3439 | { | |
3440 | yyerror (YY_("syntax error")); | |
3441 | if (yysize != 0) | |
3442 | goto yyexhaustedlab; | |
3443 | } | |
3444 | } | |
3445 | #endif | |
f73dda09 | 3446 | } |
f73dda09 | 3447 | |
3185942a | 3448 | |
7117c2d2 | 3449 | |
f73dda09 JA |
3450 | if (yyerrstatus == 3) |
3451 | { | |
3185942a JA |
3452 | /* If just tried and failed to reuse look-ahead token after an |
3453 | error, discard it. */ | |
b80f6443 | 3454 | |
3185942a JA |
3455 | if (yychar <= YYEOF) |
3456 | { | |
3457 | /* Return failure if at end of input. */ | |
3458 | if (yychar == YYEOF) | |
3459 | YYABORT; | |
3460 | } | |
3461 | else | |
3462 | { | |
3463 | yydestruct ("Error: discarding", | |
3464 | yytoken, &yylval); | |
3465 | yychar = YYEMPTY; | |
3466 | } | |
f73dda09 JA |
3467 | } |
3468 | ||
3185942a JA |
3469 | /* Else will try to reuse look-ahead token after shifting the error |
3470 | token. */ | |
3471 | goto yyerrlab1; | |
f73dda09 | 3472 | |
f73dda09 | 3473 | |
3185942a JA |
3474 | /*---------------------------------------------------. |
3475 | | yyerrorlab -- error raised explicitly by YYERROR. | | |
3476 | `---------------------------------------------------*/ | |
3477 | yyerrorlab: | |
f73dda09 | 3478 | |
3185942a JA |
3479 | /* Pacify compilers like GCC when the user code never invokes |
3480 | YYERROR and the label yyerrorlab therefore never appears in user | |
3481 | code. */ | |
3482 | if (/*CONSTCOND*/ 0) | |
3483 | goto yyerrorlab; | |
f73dda09 | 3484 | |
3185942a JA |
3485 | /* Do not reclaim the symbols of the rule which action triggered |
3486 | this YYERROR. */ | |
3487 | YYPOPSTACK (yylen); | |
3488 | yylen = 0; | |
3489 | YY_STACK_PRINT (yyss, yyssp); | |
3490 | yystate = *yyssp; | |
3491 | goto yyerrlab1; | |
f73dda09 | 3492 | |
f73dda09 | 3493 | |
3185942a JA |
3494 | /*-------------------------------------------------------------. |
3495 | | yyerrlab1 -- common code for both syntax error and YYERROR. | | |
3496 | `-------------------------------------------------------------*/ | |
3497 | yyerrlab1: | |
3498 | yyerrstatus = 3; /* Each real token shifted decrements this. */ | |
f73dda09 | 3499 | |
3185942a | 3500 | for (;;) |
f73dda09 | 3501 | { |
3185942a JA |
3502 | yyn = yypact[yystate]; |
3503 | if (yyn != YYPACT_NINF) | |
3504 | { | |
3505 | yyn += YYTERROR; | |
3506 | if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) | |
3507 | { | |
3508 | yyn = yytable[yyn]; | |
3509 | if (0 < yyn) | |
3510 | break; | |
3511 | } | |
3512 | } | |
b80f6443 | 3513 | |
3185942a JA |
3514 | /* Pop the current state because it cannot handle the error token. */ |
3515 | if (yyssp == yyss) | |
3516 | YYABORT; | |
f73dda09 | 3517 | |
f73dda09 | 3518 | |
3185942a JA |
3519 | yydestruct ("Error: popping", |
3520 | yystos[yystate], yyvsp); | |
3521 | YYPOPSTACK (1); | |
3522 | yystate = *yyssp; | |
3523 | YY_STACK_PRINT (yyss, yyssp); | |
f73dda09 | 3524 | } |
f73dda09 JA |
3525 | |
3526 | if (yyn == YYFINAL) | |
3527 | YYACCEPT; | |
3528 | ||
f73dda09 | 3529 | *++yyvsp = yylval; |
3185942a JA |
3530 | |
3531 | ||
3532 | /* Shift the error token. */ | |
3533 | YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); | |
f73dda09 JA |
3534 | |
3535 | yystate = yyn; | |
3536 | goto yynewstate; | |
3537 | ||
3185942a JA |
3538 | |
3539 | /*-------------------------------------. | |
3540 | | yyacceptlab -- YYACCEPT comes here. | | |
3541 | `-------------------------------------*/ | |
3542 | yyacceptlab: | |
3543 | yyresult = 0; | |
3544 | goto yyreturn; | |
3545 | ||
3546 | /*-----------------------------------. | |
3547 | | yyabortlab -- YYABORT comes here. | | |
3548 | `-----------------------------------*/ | |
3549 | yyabortlab: | |
3550 | yyresult = 1; | |
3551 | goto yyreturn; | |
3552 | ||
3553 | #ifndef yyoverflow | |
3554 | /*-------------------------------------------------. | |
3555 | | yyexhaustedlab -- memory exhaustion comes here. | | |
3556 | `-------------------------------------------------*/ | |
3557 | yyexhaustedlab: | |
3558 | yyerror (YY_("memory exhausted")); | |
3559 | yyresult = 2; | |
3560 | /* Fall through. */ | |
b80f6443 | 3561 | #endif |
f73dda09 | 3562 | |
3185942a JA |
3563 | yyreturn: |
3564 | if (yychar != YYEOF && yychar != YYEMPTY) | |
3565 | yydestruct ("Cleanup: discarding lookahead", | |
3566 | yytoken, &yylval); | |
3567 | /* Do not reclaim the symbols of the rule which action triggered | |
3568 | this YYABORT or YYACCEPT. */ | |
3569 | YYPOPSTACK (yylen); | |
3570 | YY_STACK_PRINT (yyss, yyssp); | |
3571 | while (yyssp != yyss) | |
b80f6443 | 3572 | { |
3185942a JA |
3573 | yydestruct ("Cleanup: popping", |
3574 | yystos[*yyssp], yyvsp); | |
3575 | YYPOPSTACK (1); | |
b80f6443 | 3576 | } |
3185942a JA |
3577 | #ifndef yyoverflow |
3578 | if (yyss != yyssa) | |
3579 | YYSTACK_FREE (yyss); | |
3580 | #endif | |
3581 | #if YYERROR_VERBOSE | |
3582 | if (yymsg != yymsgbuf) | |
3583 | YYSTACK_FREE (yymsg); | |
3584 | #endif | |
3585 | /* Make sure YYID is used. */ | |
3586 | return YYID (yyresult); | |
f73dda09 | 3587 | } |
3185942a JA |
3588 | |
3589 | ||
ac50fbac | 3590 | #line 1279 "/usr/homes/chet/src/bash/src/parse.y" |
3185942a | 3591 | |
f73dda09 JA |
3592 | |
3593 | /* Initial size to allocate for tokens, and the | |
3594 | amount to grow them by. */ | |
3595 | #define TOKEN_DEFAULT_INITIAL_SIZE 496 | |
3596 | #define TOKEN_DEFAULT_GROW_SIZE 512 | |
3597 | ||
b80f6443 JA |
3598 | /* Should we call prompt_again? */ |
3599 | #define SHOULD_PROMPT() \ | |
3600 | (interactive && (bash_input.type == st_stdin || bash_input.type == st_stream)) | |
3601 | ||
3602 | #if defined (ALIAS) | |
3603 | # define expanding_alias() (pushed_string_list && pushed_string_list->expander) | |
3604 | #else | |
3605 | # define expanding_alias() 0 | |
3606 | #endif | |
3607 | ||
f73dda09 JA |
3608 | /* Global var is non-zero when end of file has been reached. */ |
3609 | int EOF_Reached = 0; | |
3610 | ||
3611 | #ifdef DEBUG | |
3612 | static void | |
3613 | debug_parser (i) | |
3614 | int i; | |
3615 | { | |
3616 | #if YYDEBUG != 0 | |
3617 | yydebug = i; | |
3618 | #endif | |
3619 | } | |
3620 | #endif | |
3621 | ||
3622 | /* yy_getc () returns the next available character from input or EOF. | |
3623 | yy_ungetc (c) makes `c' the next character to read. | |
3624 | init_yy_io (get, unget, type, location) makes the function GET the | |
3625 | installed function for getting the next character, makes UNGET the | |
3626 | installed function for un-getting a character, sets the type of stream | |
3627 | (either string or file) from TYPE, and makes LOCATION point to where | |
3628 | the input is coming from. */ | |
3629 | ||
3630 | /* Unconditionally returns end-of-file. */ | |
3631 | int | |
3632 | return_EOF () | |
3633 | { | |
3634 | return (EOF); | |
3635 | } | |
3636 | ||
3637 | /* Variable containing the current get and unget functions. | |
3638 | See ./input.h for a clearer description. */ | |
3639 | BASH_INPUT bash_input; | |
3640 | ||
3641 | /* Set all of the fields in BASH_INPUT to NULL. Free bash_input.name if it | |
3642 | is non-null, avoiding a memory leak. */ | |
3643 | void | |
3644 | initialize_bash_input () | |
3645 | { | |
3646 | bash_input.type = st_none; | |
3647 | FREE (bash_input.name); | |
3648 | bash_input.name = (char *)NULL; | |
3649 | bash_input.location.file = (FILE *)NULL; | |
3650 | bash_input.location.string = (char *)NULL; | |
3651 | bash_input.getter = (sh_cget_func_t *)NULL; | |
3652 | bash_input.ungetter = (sh_cunget_func_t *)NULL; | |
3653 | } | |
3654 | ||
3655 | /* Set the contents of the current bash input stream from | |
3656 | GET, UNGET, TYPE, NAME, and LOCATION. */ | |
3657 | void | |
3658 | init_yy_io (get, unget, type, name, location) | |
3659 | sh_cget_func_t *get; | |
3660 | sh_cunget_func_t *unget; | |
3661 | enum stream_type type; | |
3662 | const char *name; | |
3663 | INPUT_STREAM location; | |
3664 | { | |
3665 | bash_input.type = type; | |
3666 | FREE (bash_input.name); | |
3667 | bash_input.name = name ? savestring (name) : (char *)NULL; | |
3668 | ||
3669 | /* XXX */ | |
3670 | #if defined (CRAY) | |
3671 | memcpy((char *)&bash_input.location.string, (char *)&location.string, sizeof(location)); | |
3672 | #else | |
3673 | bash_input.location = location; | |
3674 | #endif | |
3675 | bash_input.getter = get; | |
3676 | bash_input.ungetter = unget; | |
3677 | } | |
3678 | ||
7117c2d2 JA |
3679 | char * |
3680 | yy_input_name () | |
3681 | { | |
3682 | return (bash_input.name ? bash_input.name : "stdin"); | |
3683 | } | |
3684 | ||
f73dda09 JA |
3685 | /* Call this to get the next character of input. */ |
3686 | static int | |
3687 | yy_getc () | |
3688 | { | |
3689 | return (*(bash_input.getter)) (); | |
3690 | } | |
3691 | ||
3692 | /* Call this to unget C. That is, to make C the next character | |
3693 | to be read. */ | |
3694 | static int | |
3695 | yy_ungetc (c) | |
3696 | int c; | |
3697 | { | |
3698 | return (*(bash_input.ungetter)) (c); | |
3699 | } | |
3700 | ||
3701 | #if defined (BUFFERED_INPUT) | |
3702 | #ifdef INCLUDE_UNUSED | |
3703 | int | |
3704 | input_file_descriptor () | |
3705 | { | |
3706 | switch (bash_input.type) | |
3707 | { | |
3708 | case st_stream: | |
3709 | return (fileno (bash_input.location.file)); | |
3710 | case st_bstream: | |
3711 | return (bash_input.location.buffered_fd); | |
3712 | case st_stdin: | |
3713 | default: | |
3714 | return (fileno (stdin)); | |
3715 | } | |
3716 | } | |
3717 | #endif | |
3718 | #endif /* BUFFERED_INPUT */ | |
3719 | ||
3720 | /* **************************************************************** */ | |
3721 | /* */ | |
3722 | /* Let input be read from readline (). */ | |
3723 | /* */ | |
3724 | /* **************************************************************** */ | |
3725 | ||
3726 | #if defined (READLINE) | |
3727 | char *current_readline_prompt = (char *)NULL; | |
3728 | char *current_readline_line = (char *)NULL; | |
3729 | int current_readline_line_index = 0; | |
3730 | ||
3731 | static int | |
3732 | yy_readline_get () | |
3733 | { | |
3734 | SigHandler *old_sigint; | |
3735 | int line_len; | |
3736 | unsigned char c; | |
3737 | ||
3738 | if (!current_readline_line) | |
3739 | { | |
3740 | if (!bash_readline_initialized) | |
3741 | initialize_readline (); | |
3742 | ||
3743 | #if defined (JOB_CONTROL) | |
3744 | if (job_control) | |
3745 | give_terminal_to (shell_pgrp, 0); | |
3746 | #endif /* JOB_CONTROL */ | |
3747 | ||
495aee44 | 3748 | old_sigint = (SigHandler *)IMPOSSIBLE_TRAP_HANDLER; |
f73dda09 JA |
3749 | if (signal_is_ignored (SIGINT) == 0) |
3750 | { | |
ac50fbac | 3751 | /* interrupt_immediately++; */ |
495aee44 | 3752 | old_sigint = (SigHandler *)set_signal_handler (SIGINT, sigint_sighandler); |
f73dda09 JA |
3753 | } |
3754 | ||
3755 | current_readline_line = readline (current_readline_prompt ? | |
3756 | current_readline_prompt : ""); | |
3757 | ||
ac50fbac | 3758 | CHECK_TERMSIG; |
495aee44 | 3759 | if (signal_is_ignored (SIGINT) == 0) |
f73dda09 | 3760 | { |
ac50fbac | 3761 | /* interrupt_immediately--; */ |
495aee44 CR |
3762 | if (old_sigint != IMPOSSIBLE_TRAP_HANDLER) |
3763 | set_signal_handler (SIGINT, old_sigint); | |
f73dda09 JA |
3764 | } |
3765 | ||
3766 | #if 0 | |
3767 | /* Reset the prompt to the decoded value of prompt_string_pointer. */ | |
3768 | reset_readline_prompt (); | |
3769 | #endif | |
3770 | ||
3771 | if (current_readline_line == 0) | |
3772 | return (EOF); | |
3773 | ||
3774 | current_readline_line_index = 0; | |
3775 | line_len = strlen (current_readline_line); | |
3776 | ||
3777 | current_readline_line = (char *)xrealloc (current_readline_line, 2 + line_len); | |
3778 | current_readline_line[line_len++] = '\n'; | |
3779 | current_readline_line[line_len] = '\0'; | |
3780 | } | |
3781 | ||
3782 | if (current_readline_line[current_readline_line_index] == 0) | |
3783 | { | |
3784 | free (current_readline_line); | |
3785 | current_readline_line = (char *)NULL; | |
3786 | return (yy_readline_get ()); | |
3787 | } | |
3788 | else | |
3789 | { | |
3790 | c = current_readline_line[current_readline_line_index++]; | |
3791 | return (c); | |
3792 | } | |
3793 | } | |
3794 | ||
3795 | static int | |
3796 | yy_readline_unget (c) | |
3797 | int c; | |
3798 | { | |
3799 | if (current_readline_line_index && current_readline_line) | |
3800 | current_readline_line[--current_readline_line_index] = c; | |
3801 | return (c); | |
3802 | } | |
3803 | ||
3804 | void | |
3805 | with_input_from_stdin () | |
3806 | { | |
3807 | INPUT_STREAM location; | |
3808 | ||
3809 | if (bash_input.type != st_stdin && stream_on_stack (st_stdin) == 0) | |
3810 | { | |
3811 | location.string = current_readline_line; | |
3812 | init_yy_io (yy_readline_get, yy_readline_unget, | |
3813 | st_stdin, "readline stdin", location); | |
3814 | } | |
3815 | } | |
3816 | ||
3817 | #else /* !READLINE */ | |
3818 | ||
3819 | void | |
3820 | with_input_from_stdin () | |
3821 | { | |
3822 | with_input_from_stream (stdin, "stdin"); | |
3823 | } | |
3824 | #endif /* !READLINE */ | |
3825 | ||
3826 | /* **************************************************************** */ | |
3827 | /* */ | |
3828 | /* Let input come from STRING. STRING is zero terminated. */ | |
3829 | /* */ | |
3830 | /* **************************************************************** */ | |
3831 | ||
3832 | static int | |
3833 | yy_string_get () | |
3834 | { | |
3835 | register char *string; | |
3836 | register unsigned char c; | |
3837 | ||
3838 | string = bash_input.location.string; | |
3839 | ||
3840 | /* If the string doesn't exist, or is empty, EOF found. */ | |
3841 | if (string && *string) | |
3842 | { | |
3843 | c = *string++; | |
3844 | bash_input.location.string = string; | |
3845 | return (c); | |
3846 | } | |
3847 | else | |
3848 | return (EOF); | |
3849 | } | |
3850 | ||
3851 | static int | |
3852 | yy_string_unget (c) | |
3853 | int c; | |
3854 | { | |
3855 | *(--bash_input.location.string) = c; | |
3856 | return (c); | |
3857 | } | |
3858 | ||
3859 | void | |
3860 | with_input_from_string (string, name) | |
3861 | char *string; | |
3862 | const char *name; | |
3863 | { | |
3864 | INPUT_STREAM location; | |
3865 | ||
3866 | location.string = string; | |
3867 | init_yy_io (yy_string_get, yy_string_unget, st_string, name, location); | |
3868 | } | |
3869 | ||
3185942a JA |
3870 | /* Count the number of characters we've consumed from bash_input.location.string |
3871 | and read into shell_input_line, but have not returned from shell_getc. | |
3872 | That is the true input location. Rewind bash_input.location.string by | |
3873 | that number of characters, so it points to the last character actually | |
3874 | consumed by the parser. */ | |
3875 | static void | |
3876 | rewind_input_string () | |
3877 | { | |
3878 | int xchars; | |
3879 | ||
3880 | /* number of unconsumed characters in the input -- XXX need to take newlines | |
3881 | into account, e.g., $(...\n) */ | |
3882 | xchars = shell_input_line_len - shell_input_line_index; | |
3883 | if (bash_input.location.string[-1] == '\n') | |
3884 | xchars++; | |
3885 | ||
3886 | /* XXX - how to reflect bash_input.location.string back to string passed to | |
3887 | parse_and_execute or xparse_dolparen? xparse_dolparen needs to know how | |
3888 | far into the string we parsed. parse_and_execute knows where bash_input. | |
3889 | location.string is, and how far from orig_string that is -- that's the | |
3890 | number of characters the command consumed. */ | |
3891 | ||
3892 | /* bash_input.location.string - xchars should be where we parsed to */ | |
3893 | /* need to do more validation on xchars value for sanity -- test cases. */ | |
3894 | bash_input.location.string -= xchars; | |
3895 | } | |
3896 | ||
f73dda09 JA |
3897 | /* **************************************************************** */ |
3898 | /* */ | |
3899 | /* Let input come from STREAM. */ | |
3900 | /* */ | |
3901 | /* **************************************************************** */ | |
3902 | ||
3903 | /* These two functions used to test the value of the HAVE_RESTARTABLE_SYSCALLS | |
3904 | define, and just use getc/ungetc if it was defined, but since bash | |
3905 | installs its signal handlers without the SA_RESTART flag, some signals | |
3906 | (like SIGCHLD, SIGWINCH, etc.) received during a read(2) will not cause | |
3907 | the read to be restarted. We need to restart it ourselves. */ | |
3908 | ||
3909 | static int | |
3910 | yy_stream_get () | |
3911 | { | |
3912 | int result; | |
3913 | ||
3914 | result = EOF; | |
3915 | if (bash_input.location.file) | |
95732b49 | 3916 | { |
ac50fbac | 3917 | #if 0 |
95732b49 | 3918 | if (interactive) |
ac50fbac CR |
3919 | interrupt_immediately++; |
3920 | #endif | |
3921 | ||
3922 | /* XXX - don't need terminate_immediately; getc_with_restart checks | |
3923 | for terminating signals itself if read returns < 0 */ | |
95732b49 | 3924 | result = getc_with_restart (bash_input.location.file); |
ac50fbac CR |
3925 | |
3926 | #if 0 | |
95732b49 | 3927 | if (interactive) |
ac50fbac CR |
3928 | interrupt_immediately--; |
3929 | #endif | |
95732b49 | 3930 | } |
f73dda09 JA |
3931 | return (result); |
3932 | } | |
3933 | ||
3934 | static int | |
3935 | yy_stream_unget (c) | |
3936 | int c; | |
3937 | { | |
3938 | return (ungetc_with_restart (c, bash_input.location.file)); | |
3939 | } | |
3940 | ||
3941 | void | |
3942 | with_input_from_stream (stream, name) | |
3943 | FILE *stream; | |
3944 | const char *name; | |
3945 | { | |
3946 | INPUT_STREAM location; | |
3947 | ||
3948 | location.file = stream; | |
3949 | init_yy_io (yy_stream_get, yy_stream_unget, st_stream, name, location); | |
3950 | } | |
3951 | ||
3952 | typedef struct stream_saver { | |
3953 | struct stream_saver *next; | |
3954 | BASH_INPUT bash_input; | |
3955 | int line; | |
3956 | #if defined (BUFFERED_INPUT) | |
3957 | BUFFERED_STREAM *bstream; | |
3958 | #endif /* BUFFERED_INPUT */ | |
3959 | } STREAM_SAVER; | |
3960 | ||
3961 | /* The globally known line number. */ | |
3962 | int line_number = 0; | |
3963 | ||
495aee44 CR |
3964 | /* The line number offset set by assigning to LINENO. Not currently used. */ |
3965 | int line_number_base = 0; | |
3966 | ||
f73dda09 JA |
3967 | #if defined (COND_COMMAND) |
3968 | static int cond_lineno; | |
3969 | static int cond_token; | |
3970 | #endif | |
3971 | ||
3972 | STREAM_SAVER *stream_list = (STREAM_SAVER *)NULL; | |
3973 | ||
3974 | void | |
3975 | push_stream (reset_lineno) | |
3976 | int reset_lineno; | |
3977 | { | |
3978 | STREAM_SAVER *saver = (STREAM_SAVER *)xmalloc (sizeof (STREAM_SAVER)); | |
3979 | ||
3980 | xbcopy ((char *)&bash_input, (char *)&(saver->bash_input), sizeof (BASH_INPUT)); | |
3981 | ||
3982 | #if defined (BUFFERED_INPUT) | |
3983 | saver->bstream = (BUFFERED_STREAM *)NULL; | |
3984 | /* If we have a buffered stream, clear out buffers[fd]. */ | |
3985 | if (bash_input.type == st_bstream && bash_input.location.buffered_fd >= 0) | |
3986 | saver->bstream = set_buffered_stream (bash_input.location.buffered_fd, | |
3987 | (BUFFERED_STREAM *)NULL); | |
3988 | #endif /* BUFFERED_INPUT */ | |
3989 | ||
3990 | saver->line = line_number; | |
3991 | bash_input.name = (char *)NULL; | |
3992 | saver->next = stream_list; | |
3993 | stream_list = saver; | |
3994 | EOF_Reached = 0; | |
3995 | if (reset_lineno) | |
3996 | line_number = 0; | |
3997 | } | |
3998 | ||
3999 | void | |
4000 | pop_stream () | |
4001 | { | |
4002 | if (!stream_list) | |
4003 | EOF_Reached = 1; | |
4004 | else | |
4005 | { | |
4006 | STREAM_SAVER *saver = stream_list; | |
4007 | ||
4008 | EOF_Reached = 0; | |
4009 | stream_list = stream_list->next; | |
4010 | ||
4011 | init_yy_io (saver->bash_input.getter, | |
4012 | saver->bash_input.ungetter, | |
4013 | saver->bash_input.type, | |
4014 | saver->bash_input.name, | |
4015 | saver->bash_input.location); | |
4016 | ||
4017 | #if defined (BUFFERED_INPUT) | |
4018 | /* If we have a buffered stream, restore buffers[fd]. */ | |
4019 | /* If the input file descriptor was changed while this was on the | |
4020 | save stack, update the buffered fd to the new file descriptor and | |
4021 | re-establish the buffer <-> bash_input fd correspondence. */ | |
4022 | if (bash_input.type == st_bstream && bash_input.location.buffered_fd >= 0) | |
4023 | { | |
4024 | if (bash_input_fd_changed) | |
4025 | { | |
4026 | bash_input_fd_changed = 0; | |
4027 | if (default_buffered_input >= 0) | |
4028 | { | |
4029 | bash_input.location.buffered_fd = default_buffered_input; | |
4030 | saver->bstream->b_fd = default_buffered_input; | |
4031 | SET_CLOSE_ON_EXEC (default_buffered_input); | |
4032 | } | |
4033 | } | |
4034 | /* XXX could free buffered stream returned as result here. */ | |
4035 | set_buffered_stream (bash_input.location.buffered_fd, saver->bstream); | |
4036 | } | |
4037 | #endif /* BUFFERED_INPUT */ | |
4038 | ||
4039 | line_number = saver->line; | |
4040 | ||
4041 | FREE (saver->bash_input.name); | |
4042 | free (saver); | |
4043 | } | |
4044 | } | |
4045 | ||
4046 | /* Return 1 if a stream of type TYPE is saved on the stack. */ | |
4047 | int | |
4048 | stream_on_stack (type) | |
4049 | enum stream_type type; | |
4050 | { | |
4051 | register STREAM_SAVER *s; | |
4052 | ||
4053 | for (s = stream_list; s; s = s->next) | |
4054 | if (s->bash_input.type == type) | |
4055 | return 1; | |
4056 | return 0; | |
4057 | } | |
4058 | ||
4059 | /* Save the current token state and return it in a malloced array. */ | |
4060 | int * | |
4061 | save_token_state () | |
4062 | { | |
4063 | int *ret; | |
4064 | ||
0001803f | 4065 | ret = (int *)xmalloc (4 * sizeof (int)); |
f73dda09 JA |
4066 | ret[0] = last_read_token; |
4067 | ret[1] = token_before_that; | |
4068 | ret[2] = two_tokens_ago; | |
0001803f | 4069 | ret[3] = current_token; |
f73dda09 JA |
4070 | return ret; |
4071 | } | |
4072 | ||
4073 | void | |
4074 | restore_token_state (ts) | |
4075 | int *ts; | |
4076 | { | |
4077 | if (ts == 0) | |
4078 | return; | |
4079 | last_read_token = ts[0]; | |
4080 | token_before_that = ts[1]; | |
4081 | two_tokens_ago = ts[2]; | |
0001803f | 4082 | current_token = ts[3]; |
f73dda09 JA |
4083 | } |
4084 | ||
4085 | /* | |
4086 | * This is used to inhibit alias expansion and reserved word recognition | |
4087 | * inside case statement pattern lists. A `case statement pattern list' is: | |
4088 | * | |
4089 | * everything between the `in' in a `case word in' and the next ')' | |
4090 | * or `esac' | |
4091 | * everything between a `;;' and the next `)' or `esac' | |
4092 | */ | |
4093 | ||
4094 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) | |
4095 | ||
f73dda09 JA |
4096 | #define END_OF_ALIAS 0 |
4097 | ||
4098 | /* | |
4099 | * Pseudo-global variables used in implementing token-wise alias expansion. | |
4100 | */ | |
4101 | ||
4102 | /* | |
4103 | * Pushing and popping strings. This works together with shell_getc to | |
4104 | * implement alias expansion on a per-token basis. | |
4105 | */ | |
4106 | ||
ac50fbac CR |
4107 | #define PSH_ALIAS 0x01 |
4108 | #define PSH_DPAREN 0x02 | |
4109 | #define PSH_SOURCE 0x04 | |
4110 | ||
f73dda09 JA |
4111 | typedef struct string_saver { |
4112 | struct string_saver *next; | |
4113 | int expand_alias; /* Value to set expand_alias to when string is popped. */ | |
4114 | char *saved_line; | |
4115 | #if defined (ALIAS) | |
4116 | alias_t *expander; /* alias that caused this line to be pushed. */ | |
4117 | #endif | |
ac50fbac CR |
4118 | size_t saved_line_size, saved_line_index; |
4119 | int saved_line_terminator; | |
4120 | int flags; | |
f73dda09 JA |
4121 | } STRING_SAVER; |
4122 | ||
4123 | STRING_SAVER *pushed_string_list = (STRING_SAVER *)NULL; | |
4124 | ||
4125 | /* | |
4126 | * Push the current shell_input_line onto a stack of such lines and make S | |
4127 | * the current input. Used when expanding aliases. EXPAND is used to set | |
4128 | * the value of expand_next_token when the string is popped, so that the | |
4129 | * word after the alias in the original line is handled correctly when the | |
4130 | * alias expands to multiple words. TOKEN is the token that was expanded | |
4131 | * into S; it is saved and used to prevent infinite recursive expansion. | |
4132 | */ | |
4133 | static void | |
4134 | push_string (s, expand, ap) | |
4135 | char *s; | |
4136 | int expand; | |
4137 | alias_t *ap; | |
4138 | { | |
4139 | STRING_SAVER *temp = (STRING_SAVER *)xmalloc (sizeof (STRING_SAVER)); | |
4140 | ||
4141 | temp->expand_alias = expand; | |
4142 | temp->saved_line = shell_input_line; | |
4143 | temp->saved_line_size = shell_input_line_size; | |
4144 | temp->saved_line_index = shell_input_line_index; | |
4145 | temp->saved_line_terminator = shell_input_line_terminator; | |
ac50fbac | 4146 | temp->flags = 0; |
f73dda09 JA |
4147 | #if defined (ALIAS) |
4148 | temp->expander = ap; | |
ac50fbac CR |
4149 | if (ap) |
4150 | temp->flags = PSH_ALIAS; | |
f73dda09 JA |
4151 | #endif |
4152 | temp->next = pushed_string_list; | |
4153 | pushed_string_list = temp; | |
4154 | ||
4155 | #if defined (ALIAS) | |
4156 | if (ap) | |
4157 | ap->flags |= AL_BEINGEXPANDED; | |
4158 | #endif | |
4159 | ||
4160 | shell_input_line = s; | |
ac50fbac | 4161 | shell_input_line_size = STRLEN (s); |
f73dda09 JA |
4162 | shell_input_line_index = 0; |
4163 | shell_input_line_terminator = '\0'; | |
b80f6443 JA |
4164 | #if 0 |
4165 | parser_state &= ~PST_ALEXPNEXT; /* XXX */ | |
4166 | #endif | |
7117c2d2 JA |
4167 | |
4168 | set_line_mbstate (); | |
f73dda09 JA |
4169 | } |
4170 | ||
4171 | /* | |
4172 | * Make the top of the pushed_string stack be the current shell input. | |
4173 | * Only called when there is something on the stack. Called from shell_getc | |
4174 | * when it thinks it has consumed the string generated by an alias expansion | |
4175 | * and needs to return to the original input line. | |
4176 | */ | |
4177 | static void | |
4178 | pop_string () | |
4179 | { | |
4180 | STRING_SAVER *t; | |
4181 | ||
4182 | FREE (shell_input_line); | |
4183 | shell_input_line = pushed_string_list->saved_line; | |
4184 | shell_input_line_index = pushed_string_list->saved_line_index; | |
4185 | shell_input_line_size = pushed_string_list->saved_line_size; | |
4186 | shell_input_line_terminator = pushed_string_list->saved_line_terminator; | |
4187 | ||
4188 | if (pushed_string_list->expand_alias) | |
4189 | parser_state |= PST_ALEXPNEXT; | |
4190 | else | |
4191 | parser_state &= ~PST_ALEXPNEXT; | |
4192 | ||
4193 | t = pushed_string_list; | |
4194 | pushed_string_list = pushed_string_list->next; | |
4195 | ||
4196 | #if defined (ALIAS) | |
4197 | if (t->expander) | |
4198 | t->expander->flags &= ~AL_BEINGEXPANDED; | |
4199 | #endif | |
4200 | ||
4201 | free ((char *)t); | |
7117c2d2 JA |
4202 | |
4203 | set_line_mbstate (); | |
f73dda09 JA |
4204 | } |
4205 | ||
4206 | static void | |
4207 | free_string_list () | |
4208 | { | |
4209 | register STRING_SAVER *t, *t1; | |
4210 | ||
4211 | for (t = pushed_string_list; t; ) | |
4212 | { | |
4213 | t1 = t->next; | |
4214 | FREE (t->saved_line); | |
4215 | #if defined (ALIAS) | |
4216 | if (t->expander) | |
4217 | t->expander->flags &= ~AL_BEINGEXPANDED; | |
4218 | #endif | |
4219 | free ((char *)t); | |
4220 | t = t1; | |
4221 | } | |
4222 | pushed_string_list = (STRING_SAVER *)NULL; | |
4223 | } | |
4224 | ||
4225 | #endif /* ALIAS || DPAREN_ARITHMETIC */ | |
4226 | ||
b80f6443 JA |
4227 | void |
4228 | free_pushed_string_input () | |
4229 | { | |
4230 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) | |
4231 | free_string_list (); | |
4232 | #endif | |
4233 | } | |
4234 | ||
ac50fbac CR |
4235 | int |
4236 | parser_expanding_alias () | |
4237 | { | |
4238 | return (expanding_alias ()); | |
4239 | } | |
4240 | ||
4241 | void | |
4242 | parser_save_alias () | |
4243 | { | |
4244 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) | |
4245 | push_string ((char *)NULL, 0, (alias_t *)NULL); | |
4246 | pushed_string_list->flags = PSH_SOURCE; /* XXX - for now */ | |
4247 | #else | |
4248 | ; | |
4249 | #endif | |
4250 | } | |
4251 | ||
4252 | void | |
4253 | parser_restore_alias () | |
4254 | { | |
4255 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) | |
4256 | if (pushed_string_list) | |
4257 | pop_string (); | |
4258 | #else | |
4259 | ; | |
4260 | #endif | |
4261 | } | |
4262 | ||
f73dda09 JA |
4263 | /* Return a line of text, taken from wherever yylex () reads input. |
4264 | If there is no more input, then we return NULL. If REMOVE_QUOTED_NEWLINE | |
4265 | is non-zero, we remove unquoted \<newline> pairs. This is used by | |
4266 | read_secondary_line to read here documents. */ | |
4267 | static char * | |
4268 | read_a_line (remove_quoted_newline) | |
4269 | int remove_quoted_newline; | |
4270 | { | |
4271 | static char *line_buffer = (char *)NULL; | |
4272 | static int buffer_size = 0; | |
0001803f | 4273 | int indx, c, peekc, pass_next; |
f73dda09 JA |
4274 | |
4275 | #if defined (READLINE) | |
b80f6443 | 4276 | if (no_line_editing && SHOULD_PROMPT ()) |
f73dda09 | 4277 | #else |
b80f6443 | 4278 | if (SHOULD_PROMPT ()) |
f73dda09 JA |
4279 | #endif |
4280 | print_prompt (); | |
4281 | ||
0001803f | 4282 | pass_next = indx = 0; |
f73dda09 JA |
4283 | while (1) |
4284 | { | |
f73dda09 JA |
4285 | /* Allow immediate exit if interrupted during input. */ |
4286 | QUIT; | |
4287 | ||
95732b49 JA |
4288 | c = yy_getc (); |
4289 | ||
f73dda09 JA |
4290 | /* Ignore null bytes in input. */ |
4291 | if (c == 0) | |
4292 | { | |
4293 | #if 0 | |
4294 | internal_warning ("read_a_line: ignored null byte in input"); | |
4295 | #endif | |
4296 | continue; | |
4297 | } | |
4298 | ||
4299 | /* If there is no more input, then we return NULL. */ | |
4300 | if (c == EOF) | |
4301 | { | |
4302 | if (interactive && bash_input.type == st_stream) | |
4303 | clearerr (stdin); | |
4304 | if (indx == 0) | |
4305 | return ((char *)NULL); | |
4306 | c = '\n'; | |
4307 | } | |
4308 | ||
4309 | /* `+2' in case the final character in the buffer is a newline. */ | |
4310 | RESIZE_MALLOCED_BUFFER (line_buffer, indx, 2, buffer_size, 128); | |
4311 | ||
4312 | /* IF REMOVE_QUOTED_NEWLINES is non-zero, we are reading a | |
4313 | here document with an unquoted delimiter. In this case, | |
4314 | the line will be expanded as if it were in double quotes. | |
4315 | We allow a backslash to escape the next character, but we | |
4316 | need to treat the backslash specially only if a backslash | |
4317 | quoting a backslash-newline pair appears in the line. */ | |
4318 | if (pass_next) | |
4319 | { | |
4320 | line_buffer[indx++] = c; | |
4321 | pass_next = 0; | |
4322 | } | |
4323 | else if (c == '\\' && remove_quoted_newline) | |
4324 | { | |
495aee44 | 4325 | QUIT; |
f73dda09 JA |
4326 | peekc = yy_getc (); |
4327 | if (peekc == '\n') | |
b80f6443 JA |
4328 | { |
4329 | line_number++; | |
4330 | continue; /* Make the unquoted \<newline> pair disappear. */ | |
4331 | } | |
f73dda09 JA |
4332 | else |
4333 | { | |
4334 | yy_ungetc (peekc); | |
4335 | pass_next = 1; | |
4336 | line_buffer[indx++] = c; /* Preserve the backslash. */ | |
4337 | } | |
4338 | } | |
4339 | else | |
4340 | line_buffer[indx++] = c; | |
4341 | ||
4342 | if (c == '\n') | |
4343 | { | |
4344 | line_buffer[indx] = '\0'; | |
4345 | return (line_buffer); | |
4346 | } | |
4347 | } | |
4348 | } | |
4349 | ||
4350 | /* Return a line as in read_a_line (), but insure that the prompt is | |
4351 | the secondary prompt. This is used to read the lines of a here | |
4352 | document. REMOVE_QUOTED_NEWLINE is non-zero if we should remove | |
4353 | newlines quoted with backslashes while reading the line. It is | |
4354 | non-zero unless the delimiter of the here document was quoted. */ | |
4355 | char * | |
4356 | read_secondary_line (remove_quoted_newline) | |
4357 | int remove_quoted_newline; | |
4358 | { | |
3185942a JA |
4359 | char *ret; |
4360 | int n, c; | |
4361 | ||
f73dda09 | 4362 | prompt_string_pointer = &ps2_prompt; |
b80f6443 JA |
4363 | if (SHOULD_PROMPT()) |
4364 | prompt_again (); | |
3185942a JA |
4365 | ret = read_a_line (remove_quoted_newline); |
4366 | #if defined (HISTORY) | |
0001803f | 4367 | if (ret && remember_on_history && (parser_state & PST_HEREDOC)) |
3185942a JA |
4368 | { |
4369 | /* To make adding the the here-document body right, we need to rely | |
4370 | on history_delimiting_chars() returning \n for the first line of | |
4371 | the here-document body and the null string for the second and | |
4372 | subsequent lines, so we avoid double newlines. | |
4373 | current_command_line_count == 2 for the first line of the body. */ | |
4374 | ||
4375 | current_command_line_count++; | |
4376 | maybe_add_history (ret); | |
4377 | } | |
4378 | #endif /* HISTORY */ | |
4379 | return ret; | |
f73dda09 JA |
4380 | } |
4381 | ||
4382 | /* **************************************************************** */ | |
4383 | /* */ | |
4384 | /* YYLEX () */ | |
4385 | /* */ | |
4386 | /* **************************************************************** */ | |
4387 | ||
4388 | /* Reserved words. These are only recognized as the first word of a | |
4389 | command. */ | |
4390 | STRING_INT_ALIST word_token_alist[] = { | |
4391 | { "if", IF }, | |
4392 | { "then", THEN }, | |
28ef6c31 JA |
4393 | { "else", ELSE }, |
4394 | { "elif", ELIF }, | |
4395 | { "fi", FI }, | |
4396 | { "case", CASE }, | |
4397 | { "esac", ESAC }, | |
4398 | { "for", FOR }, | |
4399 | #if defined (SELECT_COMMAND) | |
4400 | { "select", SELECT }, | |
726f6388 | 4401 | #endif |
28ef6c31 JA |
4402 | { "while", WHILE }, |
4403 | { "until", UNTIL }, | |
4404 | { "do", DO }, | |
4405 | { "done", DONE }, | |
4406 | { "in", IN }, | |
4407 | { "function", FUNCTION }, | |
4408 | #if defined (COMMAND_TIMING) | |
4409 | { "time", TIME }, | |
4410 | #endif | |
4411 | { "{", '{' }, | |
4412 | { "}", '}' }, | |
4413 | { "!", BANG }, | |
4414 | #if defined (COND_COMMAND) | |
4415 | { "[[", COND_START }, | |
4416 | { "]]", COND_END }, | |
3185942a JA |
4417 | #endif |
4418 | #if defined (COPROCESS_SUPPORT) | |
4419 | { "coproc", COPROC }, | |
726f6388 | 4420 | #endif |
28ef6c31 JA |
4421 | { (char *)NULL, 0} |
4422 | }; | |
726f6388 | 4423 | |
7117c2d2 JA |
4424 | /* other tokens that can be returned by read_token() */ |
4425 | STRING_INT_ALIST other_token_alist[] = { | |
4426 | /* Multiple-character tokens with special values */ | |
495aee44 | 4427 | { "--", TIMEIGN }, |
7117c2d2 JA |
4428 | { "-p", TIMEOPT }, |
4429 | { "&&", AND_AND }, | |
4430 | { "||", OR_OR }, | |
4431 | { ">>", GREATER_GREATER }, | |
4432 | { "<<", LESS_LESS }, | |
4433 | { "<&", LESS_AND }, | |
4434 | { ">&", GREATER_AND }, | |
4435 | { ";;", SEMI_SEMI }, | |
3185942a JA |
4436 | { ";&", SEMI_AND }, |
4437 | { ";;&", SEMI_SEMI_AND }, | |
7117c2d2 JA |
4438 | { "<<-", LESS_LESS_MINUS }, |
4439 | { "<<<", LESS_LESS_LESS }, | |
4440 | { "&>", AND_GREATER }, | |
3185942a | 4441 | { "&>>", AND_GREATER_GREATER }, |
7117c2d2 JA |
4442 | { "<>", LESS_GREATER }, |
4443 | { ">|", GREATER_BAR }, | |
3185942a | 4444 | { "|&", BAR_AND }, |
7117c2d2 JA |
4445 | { "EOF", yacc_EOF }, |
4446 | /* Tokens whose value is the character itself */ | |
4447 | { ">", '>' }, | |
4448 | { "<", '<' }, | |
4449 | { "-", '-' }, | |
4450 | { "{", '{' }, | |
4451 | { "}", '}' }, | |
4452 | { ";", ';' }, | |
4453 | { "(", '(' }, | |
4454 | { ")", ')' }, | |
4455 | { "|", '|' }, | |
4456 | { "&", '&' }, | |
4457 | { "newline", '\n' }, | |
4458 | { (char *)NULL, 0} | |
4459 | }; | |
4460 | ||
4461 | /* others not listed here: | |
4462 | WORD look at yylval.word | |
4463 | ASSIGNMENT_WORD look at yylval.word | |
4464 | NUMBER look at yylval.number | |
4465 | ARITH_CMD look at yylval.word_list | |
4466 | ARITH_FOR_EXPRS look at yylval.word_list | |
4467 | COND_CMD look at yylval.command | |
4468 | */ | |
726f6388 | 4469 | |
28ef6c31 JA |
4470 | /* These are used by read_token_word, but appear up here so that shell_getc |
4471 | can use them to decide when to add otherwise blank lines to the history. */ | |
726f6388 | 4472 | |
28ef6c31 JA |
4473 | /* The primary delimiter stack. */ |
4474 | struct dstack dstack = { (char *)NULL, 0, 0 }; | |
726f6388 | 4475 | |
28ef6c31 JA |
4476 | /* A temporary delimiter stack to be used when decoding prompt strings. |
4477 | This is needed because command substitutions in prompt strings (e.g., PS2) | |
4478 | can screw up the parser's quoting state. */ | |
4479 | static struct dstack temp_dstack = { (char *)NULL, 0, 0 }; | |
726f6388 | 4480 | |
28ef6c31 JA |
4481 | /* Macro for accessing the top delimiter on the stack. Returns the |
4482 | delimiter or zero if none. */ | |
4483 | #define current_delimiter(ds) \ | |
4484 | (ds.delimiter_depth ? ds.delimiters[ds.delimiter_depth - 1] : 0) | |
726f6388 | 4485 | |
28ef6c31 JA |
4486 | #define push_delimiter(ds, character) \ |
4487 | do \ | |
4488 | { \ | |
4489 | if (ds.delimiter_depth + 2 > ds.delimiter_space) \ | |
f73dda09 | 4490 | ds.delimiters = (char *)xrealloc \ |
28ef6c31 JA |
4491 | (ds.delimiters, (ds.delimiter_space += 10) * sizeof (char)); \ |
4492 | ds.delimiters[ds.delimiter_depth] = character; \ | |
4493 | ds.delimiter_depth++; \ | |
4494 | } \ | |
4495 | while (0) | |
726f6388 | 4496 | |
28ef6c31 | 4497 | #define pop_delimiter(ds) ds.delimiter_depth-- |
726f6388 | 4498 | |
28ef6c31 JA |
4499 | /* Return the next shell input character. This always reads characters |
4500 | from shell_input_line; when that line is exhausted, it is time to | |
4501 | read the next line. This is called by read_token when the shell is | |
4502 | processing normal command input. */ | |
ccc6cda3 | 4503 | |
28ef6c31 JA |
4504 | /* This implements one-character lookahead/lookbehind across physical input |
4505 | lines, to avoid something being lost because it's pushed back with | |
4506 | shell_ungetc when we're at the start of a line. */ | |
4507 | static int eol_ungetc_lookahead = 0; | |
726f6388 | 4508 | |
28ef6c31 JA |
4509 | static int |
4510 | shell_getc (remove_quoted_newline) | |
4511 | int remove_quoted_newline; | |
4512 | { | |
4513 | register int i; | |
ac50fbac | 4514 | int c, truncating; |
f73dda09 | 4515 | unsigned char uc; |
726f6388 | 4516 | |
28ef6c31 | 4517 | QUIT; |
726f6388 | 4518 | |
95732b49 JA |
4519 | if (sigwinch_received) |
4520 | { | |
4521 | sigwinch_received = 0; | |
4522 | get_new_window_size (0, (int *)0, (int *)0); | |
4523 | } | |
4524 | ||
28ef6c31 JA |
4525 | if (eol_ungetc_lookahead) |
4526 | { | |
4527 | c = eol_ungetc_lookahead; | |
4528 | eol_ungetc_lookahead = 0; | |
4529 | return (c); | |
4530 | } | |
ccc6cda3 | 4531 | |
28ef6c31 JA |
4532 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) |
4533 | /* If shell_input_line[shell_input_line_index] == 0, but there is | |
4534 | something on the pushed list of strings, then we don't want to go | |
4535 | off and get another line. We let the code down below handle it. */ | |
b72432fd | 4536 | |
28ef6c31 JA |
4537 | if (!shell_input_line || ((!shell_input_line[shell_input_line_index]) && |
4538 | (pushed_string_list == (STRING_SAVER *)NULL))) | |
4539 | #else /* !ALIAS && !DPAREN_ARITHMETIC */ | |
4540 | if (!shell_input_line || !shell_input_line[shell_input_line_index]) | |
4541 | #endif /* !ALIAS && !DPAREN_ARITHMETIC */ | |
4542 | { | |
4543 | line_number++; | |
726f6388 | 4544 | |
ac50fbac CR |
4545 | /* Let's not let one really really long line blow up memory allocation */ |
4546 | if (shell_input_line && shell_input_line_size >= 32768) | |
4547 | { | |
4548 | free (shell_input_line); | |
4549 | shell_input_line = 0; | |
4550 | shell_input_line_size = 0; | |
4551 | } | |
4552 | ||
28ef6c31 | 4553 | restart_read: |
726f6388 | 4554 | |
28ef6c31 JA |
4555 | /* Allow immediate exit if interrupted during input. */ |
4556 | QUIT; | |
ccc6cda3 | 4557 | |
ac50fbac | 4558 | i = truncating = 0; |
28ef6c31 | 4559 | shell_input_line_terminator = 0; |
726f6388 | 4560 | |
b80f6443 JA |
4561 | /* If the shell is interatctive, but not currently printing a prompt |
4562 | (interactive_shell && interactive == 0), we don't want to print | |
4563 | notifies or cleanup the jobs -- we want to defer it until we do | |
4564 | print the next prompt. */ | |
4565 | if (interactive_shell == 0 || SHOULD_PROMPT()) | |
4566 | { | |
28ef6c31 JA |
4567 | #if defined (JOB_CONTROL) |
4568 | /* This can cause a problem when reading a command as the result | |
4569 | of a trap, when the trap is called from flush_child. This call | |
4570 | had better not cause jobs to disappear from the job table in | |
4571 | that case, or we will have big trouble. */ | |
b80f6443 | 4572 | notify_and_cleanup (); |
28ef6c31 | 4573 | #else /* !JOB_CONTROL */ |
b80f6443 | 4574 | cleanup_dead_jobs (); |
28ef6c31 | 4575 | #endif /* !JOB_CONTROL */ |
b80f6443 | 4576 | } |
ccc6cda3 | 4577 | |
28ef6c31 | 4578 | #if defined (READLINE) |
b80f6443 | 4579 | if (no_line_editing && SHOULD_PROMPT()) |
28ef6c31 | 4580 | #else |
b80f6443 | 4581 | if (SHOULD_PROMPT()) |
28ef6c31 JA |
4582 | #endif |
4583 | print_prompt (); | |
726f6388 | 4584 | |
28ef6c31 JA |
4585 | if (bash_input.type == st_stream) |
4586 | clearerr (stdin); | |
726f6388 | 4587 | |
28ef6c31 JA |
4588 | while (1) |
4589 | { | |
4590 | c = yy_getc (); | |
4591 | ||
4592 | /* Allow immediate exit if interrupted during input. */ | |
4593 | QUIT; | |
4594 | ||
4595 | if (c == '\0') | |
4596 | { | |
4597 | #if 0 | |
4598 | internal_warning ("shell_getc: ignored null byte in input"); | |
ccc6cda3 | 4599 | #endif |
28ef6c31 JA |
4600 | continue; |
4601 | } | |
ccc6cda3 | 4602 | |
ac50fbac CR |
4603 | /* Theoretical overflow */ |
4604 | /* If we can't put 256 bytes more into the buffer, allocate | |
4605 | everything we can and fill it as full as we can. */ | |
4606 | /* XXX - we ignore rest of line using `truncating' flag */ | |
4607 | if (shell_input_line_size > (SIZE_MAX - 256)) | |
4608 | { | |
4609 | size_t n; | |
4610 | ||
4611 | n = SIZE_MAX - i; /* how much more can we put into the buffer? */ | |
4612 | if (n <= 2) /* we have to save 1 for the newline added below */ | |
4613 | { | |
4614 | if (truncating == 0) | |
4615 | internal_warning("shell_getc: shell_input_line_size (%zu) exceeds SIZE_MAX (%llu): line truncated", shell_input_line_size, SIZE_MAX); | |
4616 | shell_input_line[i] = '\0'; | |
4617 | truncating = 1; | |
4618 | } | |
4619 | if (shell_input_line_size < SIZE_MAX) | |
4620 | { | |
4621 | shell_input_line_size = SIZE_MAX; | |
4622 | shell_input_line = xrealloc (shell_input_line, shell_input_line_size); | |
4623 | } | |
4624 | } | |
4625 | else | |
4626 | RESIZE_MALLOCED_BUFFER (shell_input_line, i, 2, shell_input_line_size, 256); | |
726f6388 | 4627 | |
28ef6c31 JA |
4628 | if (c == EOF) |
4629 | { | |
4630 | if (bash_input.type == st_stream) | |
4631 | clearerr (stdin); | |
726f6388 | 4632 | |
28ef6c31 JA |
4633 | if (i == 0) |
4634 | shell_input_line_terminator = EOF; | |
726f6388 | 4635 | |
28ef6c31 JA |
4636 | shell_input_line[i] = '\0'; |
4637 | break; | |
4638 | } | |
726f6388 | 4639 | |
ac50fbac CR |
4640 | if (truncating == 0 || c == '\n') |
4641 | shell_input_line[i++] = c; | |
726f6388 | 4642 | |
28ef6c31 JA |
4643 | if (c == '\n') |
4644 | { | |
4645 | shell_input_line[--i] = '\0'; | |
4646 | current_command_line_count++; | |
4647 | break; | |
4648 | } | |
4649 | } | |
726f6388 | 4650 | |
28ef6c31 JA |
4651 | shell_input_line_index = 0; |
4652 | shell_input_line_len = i; /* == strlen (shell_input_line) */ | |
ccc6cda3 | 4653 | |
7117c2d2 JA |
4654 | set_line_mbstate (); |
4655 | ||
28ef6c31 JA |
4656 | #if defined (HISTORY) |
4657 | if (remember_on_history && shell_input_line && shell_input_line[0]) | |
4658 | { | |
4659 | char *expansions; | |
4660 | # if defined (BANG_HISTORY) | |
4661 | int old_hist; | |
726f6388 | 4662 | |
28ef6c31 JA |
4663 | /* If the current delimiter is a single quote, we should not be |
4664 | performing history expansion, even if we're on a different | |
4665 | line from the original single quote. */ | |
4666 | old_hist = history_expansion_inhibited; | |
4667 | if (current_delimiter (dstack) == '\'') | |
4668 | history_expansion_inhibited = 1; | |
4669 | # endif | |
4670 | expansions = pre_process_line (shell_input_line, 1, 1); | |
4671 | # if defined (BANG_HISTORY) | |
4672 | history_expansion_inhibited = old_hist; | |
4673 | # endif | |
4674 | if (expansions != shell_input_line) | |
4675 | { | |
4676 | free (shell_input_line); | |
4677 | shell_input_line = expansions; | |
4678 | shell_input_line_len = shell_input_line ? | |
4679 | strlen (shell_input_line) : 0; | |
495aee44 | 4680 | if (shell_input_line_len == 0) |
28ef6c31 | 4681 | current_command_line_count--; |
726f6388 | 4682 | |
28ef6c31 JA |
4683 | /* We have to force the xrealloc below because we don't know |
4684 | the true allocated size of shell_input_line anymore. */ | |
4685 | shell_input_line_size = shell_input_line_len; | |
7117c2d2 JA |
4686 | |
4687 | set_line_mbstate (); | |
28ef6c31 JA |
4688 | } |
4689 | } | |
4690 | /* Try to do something intelligent with blank lines encountered while | |
4691 | entering multi-line commands. XXX - this is grotesque */ | |
4692 | else if (remember_on_history && shell_input_line && | |
4693 | shell_input_line[0] == '\0' && | |
4694 | current_command_line_count > 1) | |
726f6388 | 4695 | { |
28ef6c31 JA |
4696 | if (current_delimiter (dstack)) |
4697 | /* We know shell_input_line[0] == 0 and we're reading some sort of | |
4698 | quoted string. This means we've got a line consisting of only | |
4699 | a newline in a quoted string. We want to make sure this line | |
4700 | gets added to the history. */ | |
4701 | maybe_add_history (shell_input_line); | |
4702 | else | |
4703 | { | |
4704 | char *hdcs; | |
495aee44 | 4705 | hdcs = history_delimiting_chars (shell_input_line); |
28ef6c31 JA |
4706 | if (hdcs && hdcs[0] == ';') |
4707 | maybe_add_history (shell_input_line); | |
4708 | } | |
726f6388 JA |
4709 | } |
4710 | ||
28ef6c31 | 4711 | #endif /* HISTORY */ |
726f6388 | 4712 | |
28ef6c31 | 4713 | if (shell_input_line) |
726f6388 | 4714 | { |
28ef6c31 | 4715 | /* Lines that signify the end of the shell's input should not be |
ac50fbac CR |
4716 | echoed. We should not echo lines while parsing command |
4717 | substitutions with recursive calls into the parsing engine; those | |
4718 | should only be echoed once when we read the word. That is the | |
4719 | reason for the test against shell_eof_token, which is set to a | |
4720 | right paren when parsing the contents of command substitutions. */ | |
28ef6c31 | 4721 | if (echo_input_at_read && (shell_input_line[0] || |
ac50fbac CR |
4722 | shell_input_line_terminator != EOF) && |
4723 | shell_eof_token == 0) | |
28ef6c31 JA |
4724 | fprintf (stderr, "%s\n", shell_input_line); |
4725 | } | |
4726 | else | |
4727 | { | |
4728 | shell_input_line_size = 0; | |
4729 | prompt_string_pointer = ¤t_prompt_string; | |
b80f6443 JA |
4730 | if (SHOULD_PROMPT ()) |
4731 | prompt_again (); | |
28ef6c31 | 4732 | goto restart_read; |
726f6388 JA |
4733 | } |
4734 | ||
28ef6c31 JA |
4735 | /* Add the newline to the end of this string, iff the string does |
4736 | not already end in an EOF character. */ | |
4737 | if (shell_input_line_terminator != EOF) | |
4738 | { | |
6ebbb24a | 4739 | if (shell_input_line_size < SIZE_MAX-3 && (shell_input_line_len+3 > shell_input_line_size)) |
f73dda09 | 4740 | shell_input_line = (char *)xrealloc (shell_input_line, |
28ef6c31 | 4741 | 1 + (shell_input_line_size += 2)); |
726f6388 | 4742 | |
28ef6c31 JA |
4743 | shell_input_line[shell_input_line_len] = '\n'; |
4744 | shell_input_line[shell_input_line_len + 1] = '\0'; | |
7117c2d2 JA |
4745 | |
4746 | set_line_mbstate (); | |
28ef6c31 JA |
4747 | } |
4748 | } | |
726f6388 | 4749 | |
495aee44 | 4750 | next_alias_char: |
f73dda09 | 4751 | uc = shell_input_line[shell_input_line_index]; |
ccc6cda3 | 4752 | |
f73dda09 | 4753 | if (uc) |
28ef6c31 | 4754 | shell_input_line_index++; |
726f6388 | 4755 | |
28ef6c31 | 4756 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) |
f73dda09 | 4757 | /* If UC is NULL, we have reached the end of the current input string. If |
28ef6c31 JA |
4758 | pushed_string_list is non-empty, it's time to pop to the previous string |
4759 | because we have fully consumed the result of the last alias expansion. | |
4760 | Do it transparently; just return the next character of the string popped | |
4761 | to. */ | |
ac50fbac CR |
4762 | /* If pushed_string_list != 0 but pushed_string_list->expander == 0 (not |
4763 | currently tested) and the flags value is not PSH_SOURCE, we are not | |
4764 | parsing an alias, we have just saved one (push_string, when called by | |
4765 | the parse_dparen code) In this case, just go on as well. The PSH_SOURCE | |
4766 | case is handled below. */ | |
0001803f | 4767 | pop_alias: |
ac50fbac | 4768 | if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE) |
726f6388 | 4769 | { |
b80f6443 JA |
4770 | pop_string (); |
4771 | uc = shell_input_line[shell_input_line_index]; | |
4772 | if (uc) | |
4773 | shell_input_line_index++; | |
726f6388 | 4774 | } |
28ef6c31 JA |
4775 | #endif /* ALIAS || DPAREN_ARITHMETIC */ |
4776 | ||
95732b49 JA |
4777 | if MBTEST(uc == '\\' && remove_quoted_newline && shell_input_line[shell_input_line_index] == '\n') |
4778 | { | |
4779 | if (SHOULD_PROMPT ()) | |
4780 | prompt_again (); | |
4781 | line_number++; | |
495aee44 CR |
4782 | /* What do we do here if we're expanding an alias whose definition |
4783 | includes an escaped newline? If that's the last character in the | |
4784 | alias expansion, we just pop the pushed string list (recall that | |
4785 | we inhibit the appending of a space in mk_alexpansion() if newline | |
4786 | is the last character). If it's not the last character, we need | |
4787 | to consume the quoted newline and move to the next character in | |
4788 | the expansion. */ | |
509a4430 | 4789 | #if defined (ALIAS) |
0001803f CR |
4790 | if (expanding_alias () && shell_input_line[shell_input_line_index+1] == '\0') |
4791 | { | |
4792 | uc = 0; | |
4793 | goto pop_alias; | |
4794 | } | |
495aee44 CR |
4795 | else if (expanding_alias () && shell_input_line[shell_input_line_index+1] != '\0') |
4796 | { | |
4797 | shell_input_line_index++; /* skip newline */ | |
4798 | goto next_alias_char; /* and get next character */ | |
4799 | } | |
509a4430 CR |
4800 | else |
4801 | #endif | |
495aee44 | 4802 | goto restart_read; |
95732b49 JA |
4803 | } |
4804 | ||
495aee44 | 4805 | if (uc == 0 && shell_input_line_terminator == EOF) |
28ef6c31 JA |
4806 | return ((shell_input_line_index != 0) ? '\n' : EOF); |
4807 | ||
ac50fbac CR |
4808 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) |
4809 | /* We already know that we are not parsing an alias expansion because of the | |
4810 | check for expanding_alias() above. This knows how parse_and_execute | |
4811 | handles switching to st_string input while an alias is being expanded, | |
4812 | hence the check for pushed_string_list without pushed_string_list->expander | |
4813 | and the check for PSH_SOURCE as pushed_string_list->flags. | |
4814 | parse_and_execute and parse_string both change the input type to st_string | |
4815 | and place the string to be parsed and executed into location.string, so | |
4816 | we should not stop reading that until the pointer is '\0'. | |
4817 | The check for shell_input_line_terminator may be superfluous. | |
4818 | ||
4819 | This solves the problem of `.' inside a multi-line alias with embedded | |
4820 | newlines executing things out of order. */ | |
4821 | if (uc == 0 && bash_input.type == st_string && *bash_input.location.string && | |
4822 | pushed_string_list && pushed_string_list->flags == PSH_SOURCE && | |
4823 | shell_input_line_terminator == 0) | |
4824 | { | |
4825 | shell_input_line_index = 0; | |
4826 | goto restart_read; | |
4827 | } | |
4828 | #endif | |
4829 | ||
f73dda09 | 4830 | return (uc); |
726f6388 JA |
4831 | } |
4832 | ||
7117c2d2 JA |
4833 | /* Put C back into the input for the shell. This might need changes for |
4834 | HANDLE_MULTIBYTE around EOLs. Since we (currently) never push back a | |
4835 | character different than we read, shell_input_line_property doesn't need | |
4836 | to change when manipulating shell_input_line. The define for | |
4837 | last_shell_getc_is_singlebyte should take care of it, though. */ | |
28ef6c31 JA |
4838 | static void |
4839 | shell_ungetc (c) | |
ccc6cda3 | 4840 | int c; |
726f6388 | 4841 | { |
28ef6c31 JA |
4842 | if (shell_input_line && shell_input_line_index) |
4843 | shell_input_line[--shell_input_line_index] = c; | |
4844 | else | |
4845 | eol_ungetc_lookahead = c; | |
726f6388 JA |
4846 | } |
4847 | ||
f73dda09 JA |
4848 | #ifdef INCLUDE_UNUSED |
4849 | /* Back the input pointer up by one, effectively `ungetting' a character. */ | |
28ef6c31 JA |
4850 | static void |
4851 | shell_ungetchar () | |
726f6388 | 4852 | { |
28ef6c31 JA |
4853 | if (shell_input_line && shell_input_line_index) |
4854 | shell_input_line_index--; | |
726f6388 | 4855 | } |
f73dda09 | 4856 | #endif |
726f6388 | 4857 | |
28ef6c31 JA |
4858 | /* Discard input until CHARACTER is seen, then push that character back |
4859 | onto the input stream. */ | |
4860 | static void | |
4861 | discard_until (character) | |
4862 | int character; | |
726f6388 | 4863 | { |
28ef6c31 | 4864 | int c; |
726f6388 | 4865 | |
28ef6c31 JA |
4866 | while ((c = shell_getc (0)) != EOF && c != character) |
4867 | ; | |
726f6388 | 4868 | |
28ef6c31 JA |
4869 | if (c != EOF) |
4870 | shell_ungetc (c); | |
4871 | } | |
726f6388 | 4872 | |
28ef6c31 | 4873 | void |
0628567a JA |
4874 | execute_variable_command (command, vname) |
4875 | char *command, *vname; | |
28ef6c31 | 4876 | { |
28ef6c31 | 4877 | char *last_lastarg; |
b80f6443 | 4878 | sh_parser_state_t ps; |
726f6388 | 4879 | |
b80f6443 | 4880 | save_parser_state (&ps); |
28ef6c31 JA |
4881 | last_lastarg = get_string_value ("_"); |
4882 | if (last_lastarg) | |
4883 | last_lastarg = savestring (last_lastarg); | |
726f6388 | 4884 | |
0628567a | 4885 | parse_and_execute (savestring (command), vname, SEVAL_NONINT|SEVAL_NOHIST); |
726f6388 | 4886 | |
b80f6443 | 4887 | restore_parser_state (&ps); |
95732b49 | 4888 | bind_variable ("_", last_lastarg, 0); |
28ef6c31 JA |
4889 | FREE (last_lastarg); |
4890 | ||
4891 | if (token_to_read == '\n') /* reset_parser was called */ | |
4892 | token_to_read = 0; | |
726f6388 JA |
4893 | } |
4894 | ||
28ef6c31 JA |
4895 | /* Place to remember the token. We try to keep the buffer |
4896 | at a reasonable size, but it can grow. */ | |
4897 | static char *token = (char *)NULL; | |
726f6388 | 4898 | |
28ef6c31 JA |
4899 | /* Current size of the token buffer. */ |
4900 | static int token_buffer_size; | |
4901 | ||
4902 | /* Command to read_token () explaining what we want it to do. */ | |
4903 | #define READ 0 | |
4904 | #define RESET 1 | |
4905 | #define prompt_is_ps1 \ | |
4906 | (!prompt_string_pointer || prompt_string_pointer == &ps1_prompt) | |
bb70624e | 4907 | |
28ef6c31 JA |
4908 | /* Function for yyparse to call. yylex keeps track of |
4909 | the last two tokens read, and calls read_token. */ | |
726f6388 | 4910 | static int |
28ef6c31 | 4911 | yylex () |
726f6388 | 4912 | { |
28ef6c31 JA |
4913 | if (interactive && (current_token == 0 || current_token == '\n')) |
4914 | { | |
4915 | /* Before we print a prompt, we might have to check mailboxes. | |
4916 | We do this only if it is time to do so. Notice that only here | |
4917 | is the mail alarm reset; nothing takes place in check_mail () | |
4918 | except the checking of mail. Please don't change this. */ | |
509a4430 | 4919 | if (prompt_is_ps1 && parse_and_execute_level == 0 && time_to_check_mail ()) |
28ef6c31 JA |
4920 | { |
4921 | check_mail (); | |
4922 | reset_mail_timer (); | |
4923 | } | |
726f6388 | 4924 | |
28ef6c31 JA |
4925 | /* Avoid printing a prompt if we're not going to read anything, e.g. |
4926 | after resetting the parser with read_token (RESET). */ | |
b80f6443 | 4927 | if (token_to_read == 0 && SHOULD_PROMPT ()) |
28ef6c31 JA |
4928 | prompt_again (); |
4929 | } | |
bb70624e | 4930 | |
28ef6c31 JA |
4931 | two_tokens_ago = token_before_that; |
4932 | token_before_that = last_read_token; | |
4933 | last_read_token = current_token; | |
4934 | current_token = read_token (READ); | |
3185942a JA |
4935 | |
4936 | if ((parser_state & PST_EOFTOKEN) && current_token == shell_eof_token) | |
4937 | { | |
4938 | current_token = yacc_EOF; | |
4939 | if (bash_input.type == st_string) | |
4940 | rewind_input_string (); | |
4941 | } | |
4942 | parser_state &= ~PST_EOFTOKEN; | |
4943 | ||
28ef6c31 | 4944 | return (current_token); |
726f6388 JA |
4945 | } |
4946 | ||
28ef6c31 JA |
4947 | /* When non-zero, we have read the required tokens |
4948 | which allow ESAC to be the next one read. */ | |
4949 | static int esacs_needed_count; | |
726f6388 JA |
4950 | |
4951 | void | |
28ef6c31 | 4952 | gather_here_documents () |
726f6388 | 4953 | { |
3185942a JA |
4954 | int r; |
4955 | ||
4956 | r = 0; | |
28ef6c31 JA |
4957 | while (need_here_doc) |
4958 | { | |
3185942a JA |
4959 | parser_state |= PST_HEREDOC; |
4960 | make_here_document (redir_stack[r++], line_number); | |
4961 | parser_state &= ~PST_HEREDOC; | |
28ef6c31 JA |
4962 | need_here_doc--; |
4963 | } | |
726f6388 JA |
4964 | } |
4965 | ||
28ef6c31 JA |
4966 | /* When non-zero, an open-brace used to create a group is awaiting a close |
4967 | brace partner. */ | |
4968 | static int open_brace_count; | |
726f6388 | 4969 | |
28ef6c31 | 4970 | #define command_token_position(token) \ |
0001803f | 4971 | (((token) == ASSIGNMENT_WORD) || (parser_state&PST_REDIRLIST) || \ |
3185942a | 4972 | ((token) != SEMI_SEMI && (token) != SEMI_AND && (token) != SEMI_SEMI_AND && reserved_word_acceptable(token))) |
cce855bc | 4973 | |
b80f6443 JA |
4974 | #define assignment_acceptable(token) \ |
4975 | (command_token_position(token) && ((parser_state & PST_CASEPAT) == 0)) | |
726f6388 | 4976 | |
28ef6c31 JA |
4977 | /* Check to see if TOKEN is a reserved word and return the token |
4978 | value if it is. */ | |
4979 | #define CHECK_FOR_RESERVED_WORD(tok) \ | |
4980 | do { \ | |
4981 | if (!dollar_present && !quoted && \ | |
4982 | reserved_word_acceptable (last_read_token)) \ | |
4983 | { \ | |
4984 | int i; \ | |
4985 | for (i = 0; word_token_alist[i].word != (char *)NULL; i++) \ | |
4986 | if (STREQ (tok, word_token_alist[i].word)) \ | |
4987 | { \ | |
4988 | if ((parser_state & PST_CASEPAT) && (word_token_alist[i].token != ESAC)) \ | |
4989 | break; \ | |
b80f6443 | 4990 | if (word_token_alist[i].token == TIME && time_command_acceptable () == 0) \ |
28ef6c31 JA |
4991 | break; \ |
4992 | if (word_token_alist[i].token == ESAC) \ | |
4993 | parser_state &= ~(PST_CASEPAT|PST_CASESTMT); \ | |
4994 | else if (word_token_alist[i].token == CASE) \ | |
4995 | parser_state |= PST_CASESTMT; \ | |
4996 | else if (word_token_alist[i].token == COND_END) \ | |
4997 | parser_state &= ~(PST_CONDCMD|PST_CONDEXPR); \ | |
4998 | else if (word_token_alist[i].token == COND_START) \ | |
4999 | parser_state |= PST_CONDCMD; \ | |
5000 | else if (word_token_alist[i].token == '{') \ | |
5001 | open_brace_count++; \ | |
5002 | else if (word_token_alist[i].token == '}' && open_brace_count) \ | |
5003 | open_brace_count--; \ | |
5004 | return (word_token_alist[i].token); \ | |
5005 | } \ | |
5006 | } \ | |
5007 | } while (0) | |
726f6388 | 5008 | |
28ef6c31 | 5009 | #if defined (ALIAS) |
726f6388 | 5010 | |
28ef6c31 JA |
5011 | /* OK, we have a token. Let's try to alias expand it, if (and only if) |
5012 | it's eligible. | |
726f6388 | 5013 | |
7117c2d2 | 5014 | It is eligible for expansion if EXPAND_ALIASES is set, and |
28ef6c31 JA |
5015 | the token is unquoted and the last token read was a command |
5016 | separator (or expand_next_token is set), and we are currently | |
5017 | processing an alias (pushed_string_list is non-empty) and this | |
5018 | token is not the same as the current or any previously | |
5019 | processed alias. | |
726f6388 | 5020 | |
28ef6c31 JA |
5021 | Special cases that disqualify: |
5022 | In a pattern list in a case statement (parser_state & PST_CASEPAT). */ | |
b80f6443 JA |
5023 | |
5024 | static char * | |
5025 | mk_alexpansion (s) | |
5026 | char *s; | |
5027 | { | |
5028 | int l; | |
5029 | char *r; | |
5030 | ||
5031 | l = strlen (s); | |
5032 | r = xmalloc (l + 2); | |
5033 | strcpy (r, s); | |
495aee44 CR |
5034 | /* If the last character in the alias is a newline, don't add a trailing |
5035 | space to the expansion. Works with shell_getc above. */ | |
5036 | if (r[l - 1] != ' ' && r[l - 1] != '\n') | |
b80f6443 JA |
5037 | r[l++] = ' '; |
5038 | r[l] = '\0'; | |
5039 | return r; | |
5040 | } | |
5041 | ||
28ef6c31 | 5042 | static int |
f73dda09 JA |
5043 | alias_expand_token (tokstr) |
5044 | char *tokstr; | |
726f6388 | 5045 | { |
28ef6c31 JA |
5046 | char *expanded; |
5047 | alias_t *ap; | |
5048 | ||
5049 | if (((parser_state & PST_ALEXPNEXT) || command_token_position (last_read_token)) && | |
5050 | (parser_state & PST_CASEPAT) == 0) | |
726f6388 | 5051 | { |
f73dda09 | 5052 | ap = find_alias (tokstr); |
726f6388 | 5053 | |
28ef6c31 JA |
5054 | /* Currently expanding this token. */ |
5055 | if (ap && (ap->flags & AL_BEINGEXPANDED)) | |
5056 | return (NO_EXPANSION); | |
726f6388 | 5057 | |
b80f6443 JA |
5058 | /* mk_alexpansion puts an extra space on the end of the alias expansion, |
5059 | so the lookahead by the parser works right. If this gets changed, | |
5060 | make sure the code in shell_getc that deals with reaching the end of | |
5061 | an expanded alias is changed with it. */ | |
5062 | expanded = ap ? mk_alexpansion (ap->value) : (char *)NULL; | |
5063 | ||
28ef6c31 JA |
5064 | if (expanded) |
5065 | { | |
5066 | push_string (expanded, ap->flags & AL_EXPANDNEXT, ap); | |
5067 | return (RE_READ_TOKEN); | |
5068 | } | |
5069 | else | |
5070 | /* This is an eligible token that does not have an expansion. */ | |
5071 | return (NO_EXPANSION); | |
5072 | } | |
5073 | return (NO_EXPANSION); | |
5074 | } | |
5075 | #endif /* ALIAS */ | |
726f6388 | 5076 | |
28ef6c31 JA |
5077 | static int |
5078 | time_command_acceptable () | |
726f6388 | 5079 | { |
28ef6c31 | 5080 | #if defined (COMMAND_TIMING) |
495aee44 CR |
5081 | int i; |
5082 | ||
5083 | if (posixly_correct && shell_compatibility_level > 41) | |
5084 | { | |
5085 | /* Quick check of the rest of the line to find the next token. If it | |
5086 | begins with a `-', Posix says to not return `time' as the token. | |
5087 | This was interp 267. */ | |
5088 | i = shell_input_line_index; | |
5089 | while (i < shell_input_line_len && (shell_input_line[i] == ' ' || shell_input_line[i] == '\t')) | |
5090 | i++; | |
5091 | if (shell_input_line[i] == '-') | |
5092 | return 0; | |
5093 | } | |
5094 | ||
28ef6c31 JA |
5095 | switch (last_read_token) |
5096 | { | |
5097 | case 0: | |
5098 | case ';': | |
5099 | case '\n': | |
5100 | case AND_AND: | |
5101 | case OR_OR: | |
5102 | case '&': | |
5103 | case DO: | |
5104 | case THEN: | |
5105 | case ELSE: | |
5106 | case '{': /* } */ | |
5107 | case '(': /* ) */ | |
495aee44 CR |
5108 | case BANG: /* ! time pipeline */ |
5109 | case TIME: /* time time pipeline */ | |
5110 | case TIMEOPT: /* time -p time pipeline */ | |
5111 | case TIMEIGN: /* time -p -- ... */ | |
726f6388 | 5112 | return 1; |
28ef6c31 JA |
5113 | default: |
5114 | return 0; | |
5115 | } | |
5116 | #else | |
726f6388 | 5117 | return 0; |
28ef6c31 | 5118 | #endif /* COMMAND_TIMING */ |
726f6388 JA |
5119 | } |
5120 | ||
28ef6c31 JA |
5121 | /* Handle special cases of token recognition: |
5122 | IN is recognized if the last token was WORD and the token | |
5123 | before that was FOR or CASE or SELECT. | |
726f6388 | 5124 | |
28ef6c31 JA |
5125 | DO is recognized if the last token was WORD and the token |
5126 | before that was FOR or SELECT. | |
cce855bc | 5127 | |
28ef6c31 JA |
5128 | ESAC is recognized if the last token caused `esacs_needed_count' |
5129 | to be set | |
ccc6cda3 | 5130 | |
28ef6c31 JA |
5131 | `{' is recognized if the last token as WORD and the token |
5132 | before that was FUNCTION, or if we just parsed an arithmetic | |
5133 | `for' command. | |
ccc6cda3 | 5134 | |
28ef6c31 | 5135 | `}' is recognized if there is an unclosed `{' present. |
726f6388 | 5136 | |
28ef6c31 | 5137 | `-p' is returned as TIMEOPT if the last read token was TIME. |
495aee44 | 5138 | `--' is returned as TIMEIGN if the last read token was TIMEOPT. |
726f6388 | 5139 | |
28ef6c31 JA |
5140 | ']]' is returned as COND_END if the parser is currently parsing |
5141 | a conditional expression ((parser_state & PST_CONDEXPR) != 0) | |
726f6388 | 5142 | |
28ef6c31 JA |
5143 | `time' is returned as TIME if and only if it is immediately |
5144 | preceded by one of `;', `\n', `||', `&&', or `&'. | |
5145 | */ | |
726f6388 | 5146 | |
28ef6c31 | 5147 | static int |
f73dda09 JA |
5148 | special_case_tokens (tokstr) |
5149 | char *tokstr; | |
726f6388 | 5150 | { |
28ef6c31 JA |
5151 | if ((last_read_token == WORD) && |
5152 | #if defined (SELECT_COMMAND) | |
5153 | ((token_before_that == FOR) || (token_before_that == CASE) || (token_before_that == SELECT)) && | |
5154 | #else | |
5155 | ((token_before_that == FOR) || (token_before_that == CASE)) && | |
cce855bc | 5156 | #endif |
f73dda09 | 5157 | (tokstr[0] == 'i' && tokstr[1] == 'n' && tokstr[2] == 0)) |
28ef6c31 JA |
5158 | { |
5159 | if (token_before_that == CASE) | |
5160 | { | |
5161 | parser_state |= PST_CASEPAT; | |
5162 | esacs_needed_count++; | |
5163 | } | |
5164 | return (IN); | |
5165 | } | |
726f6388 | 5166 | |
28ef6c31 JA |
5167 | if (last_read_token == WORD && |
5168 | #if defined (SELECT_COMMAND) | |
5169 | (token_before_that == FOR || token_before_that == SELECT) && | |
5170 | #else | |
5171 | (token_before_that == FOR) && | |
cce855bc | 5172 | #endif |
f73dda09 | 5173 | (tokstr[0] == 'd' && tokstr[1] == 'o' && tokstr[2] == '\0')) |
28ef6c31 | 5174 | return (DO); |
726f6388 | 5175 | |
28ef6c31 JA |
5176 | /* Ditto for ESAC in the CASE case. |
5177 | Specifically, this handles "case word in esac", which is a legal | |
5178 | construct, certainly because someone will pass an empty arg to the | |
5179 | case construct, and we don't want it to barf. Of course, we should | |
5180 | insist that the case construct has at least one pattern in it, but | |
5181 | the designers disagree. */ | |
5182 | if (esacs_needed_count) | |
5183 | { | |
5184 | esacs_needed_count--; | |
f73dda09 | 5185 | if (STREQ (tokstr, "esac")) |
28ef6c31 JA |
5186 | { |
5187 | parser_state &= ~PST_CASEPAT; | |
5188 | return (ESAC); | |
5189 | } | |
5190 | } | |
726f6388 | 5191 | |
28ef6c31 JA |
5192 | /* The start of a shell function definition. */ |
5193 | if (parser_state & PST_ALLOWOPNBRC) | |
5194 | { | |
5195 | parser_state &= ~PST_ALLOWOPNBRC; | |
f73dda09 | 5196 | if (tokstr[0] == '{' && tokstr[1] == '\0') /* } */ |
28ef6c31 JA |
5197 | { |
5198 | open_brace_count++; | |
5199 | function_bstart = line_number; | |
5200 | return ('{'); /* } */ | |
5201 | } | |
5202 | } | |
726f6388 | 5203 | |
28ef6c31 JA |
5204 | /* We allow a `do' after a for ((...)) without an intervening |
5205 | list_terminator */ | |
f73dda09 | 5206 | if (last_read_token == ARITH_FOR_EXPRS && tokstr[0] == 'd' && tokstr[1] == 'o' && !tokstr[2]) |
28ef6c31 | 5207 | return (DO); |
f73dda09 | 5208 | if (last_read_token == ARITH_FOR_EXPRS && tokstr[0] == '{' && tokstr[1] == '\0') /* } */ |
28ef6c31 JA |
5209 | { |
5210 | open_brace_count++; | |
5211 | return ('{'); /* } */ | |
5212 | } | |
726f6388 | 5213 | |
f73dda09 | 5214 | if (open_brace_count && reserved_word_acceptable (last_read_token) && tokstr[0] == '}' && !tokstr[1]) |
28ef6c31 JA |
5215 | { |
5216 | open_brace_count--; /* { */ | |
5217 | return ('}'); | |
5218 | } | |
ccc6cda3 | 5219 | |
28ef6c31 JA |
5220 | #if defined (COMMAND_TIMING) |
5221 | /* Handle -p after `time'. */ | |
f73dda09 | 5222 | if (last_read_token == TIME && tokstr[0] == '-' && tokstr[1] == 'p' && !tokstr[2]) |
28ef6c31 | 5223 | return (TIMEOPT); |
495aee44 CR |
5224 | /* Handle -- after `time -p'. */ |
5225 | if (last_read_token == TIMEOPT && tokstr[0] == '-' && tokstr[1] == '-' && !tokstr[2]) | |
5226 | return (TIMEIGN); | |
b80f6443 | 5227 | #endif |
28ef6c31 JA |
5228 | |
5229 | #if defined (COND_COMMAND) /* [[ */ | |
f73dda09 | 5230 | if ((parser_state & PST_CONDEXPR) && tokstr[0] == ']' && tokstr[1] == ']' && tokstr[2] == '\0') |
28ef6c31 | 5231 | return (COND_END); |
cce855bc | 5232 | #endif |
ccc6cda3 | 5233 | |
28ef6c31 | 5234 | return (-1); |
726f6388 JA |
5235 | } |
5236 | ||
28ef6c31 JA |
5237 | /* Called from shell.c when Control-C is typed at top level. Or |
5238 | by the error rule at top level. */ | |
5239 | void | |
5240 | reset_parser () | |
726f6388 | 5241 | { |
28ef6c31 JA |
5242 | dstack.delimiter_depth = 0; /* No delimiters found so far. */ |
5243 | open_brace_count = 0; | |
726f6388 | 5244 | |
0001803f CR |
5245 | #if defined (EXTENDED_GLOB) |
5246 | /* Reset to global value of extended glob */ | |
5247 | if (parser_state & PST_EXTPAT) | |
5248 | extended_glob = global_extglob; | |
5249 | #endif | |
5250 | ||
28ef6c31 | 5251 | parser_state = 0; |
726f6388 | 5252 | |
28ef6c31 JA |
5253 | #if defined (ALIAS) || defined (DPAREN_ARITHMETIC) |
5254 | if (pushed_string_list) | |
5255 | free_string_list (); | |
cce855bc | 5256 | #endif /* ALIAS || DPAREN_ARITHMETIC */ |
ccc6cda3 | 5257 | |
28ef6c31 | 5258 | if (shell_input_line) |
726f6388 | 5259 | { |
28ef6c31 JA |
5260 | free (shell_input_line); |
5261 | shell_input_line = (char *)NULL; | |
5262 | shell_input_line_size = shell_input_line_index = 0; | |
5263 | } | |
726f6388 | 5264 | |
28ef6c31 JA |
5265 | FREE (word_desc_to_read); |
5266 | word_desc_to_read = (WORD_DESC *)NULL; | |
726f6388 | 5267 | |
0001803f | 5268 | current_token = '\n'; /* XXX */ |
28ef6c31 JA |
5269 | last_read_token = '\n'; |
5270 | token_to_read = '\n'; | |
5271 | } | |
726f6388 | 5272 | |
28ef6c31 JA |
5273 | /* Read the next token. Command can be READ (normal operation) or |
5274 | RESET (to normalize state). */ | |
5275 | static int | |
5276 | read_token (command) | |
5277 | int command; | |
5278 | { | |
5279 | int character; /* Current character. */ | |
5280 | int peek_char; /* Temporary look-ahead character. */ | |
5281 | int result; /* The thing to return. */ | |
726f6388 | 5282 | |
28ef6c31 JA |
5283 | if (command == RESET) |
5284 | { | |
5285 | reset_parser (); | |
5286 | return ('\n'); | |
5287 | } | |
726f6388 | 5288 | |
28ef6c31 JA |
5289 | if (token_to_read) |
5290 | { | |
5291 | result = token_to_read; | |
5292 | if (token_to_read == WORD || token_to_read == ASSIGNMENT_WORD) | |
726f6388 | 5293 | { |
28ef6c31 JA |
5294 | yylval.word = word_desc_to_read; |
5295 | word_desc_to_read = (WORD_DESC *)NULL; | |
726f6388 | 5296 | } |
28ef6c31 JA |
5297 | token_to_read = 0; |
5298 | return (result); | |
5299 | } | |
726f6388 | 5300 | |
28ef6c31 JA |
5301 | #if defined (COND_COMMAND) |
5302 | if ((parser_state & (PST_CONDCMD|PST_CONDEXPR)) == PST_CONDCMD) | |
5303 | { | |
5304 | cond_lineno = line_number; | |
5305 | parser_state |= PST_CONDEXPR; | |
5306 | yylval.command = parse_cond_command (); | |
5307 | if (cond_token != COND_END) | |
726f6388 | 5308 | { |
7117c2d2 | 5309 | cond_error (); |
28ef6c31 | 5310 | return (-1); |
726f6388 | 5311 | } |
28ef6c31 JA |
5312 | token_to_read = COND_END; |
5313 | parser_state &= ~(PST_CONDEXPR|PST_CONDCMD); | |
5314 | return (COND_CMD); | |
726f6388 | 5315 | } |
cce855bc | 5316 | #endif |
726f6388 | 5317 | |
28ef6c31 JA |
5318 | #if defined (ALIAS) |
5319 | /* This is a place to jump back to once we have successfully expanded a | |
5320 | token with an alias and pushed the string with push_string () */ | |
5321 | re_read_token: | |
5322 | #endif /* ALIAS */ | |
ccc6cda3 | 5323 | |
28ef6c31 | 5324 | /* Read a single word from input. Start by skipping blanks. */ |
0628567a | 5325 | while ((character = shell_getc (1)) != EOF && shellblank (character)) |
28ef6c31 | 5326 | ; |
ccc6cda3 | 5327 | |
28ef6c31 JA |
5328 | if (character == EOF) |
5329 | { | |
5330 | EOF_Reached = 1; | |
5331 | return (yacc_EOF); | |
5332 | } | |
ccc6cda3 | 5333 | |
7117c2d2 | 5334 | if MBTEST(character == '#' && (!interactive || interactive_comments)) |
28ef6c31 JA |
5335 | { |
5336 | /* A comment. Discard until EOL or EOF, and then return a newline. */ | |
5337 | discard_until ('\n'); | |
5338 | shell_getc (0); | |
5339 | character = '\n'; /* this will take the next if statement and return. */ | |
5340 | } | |
ccc6cda3 | 5341 | |
28ef6c31 JA |
5342 | if (character == '\n') |
5343 | { | |
5344 | /* If we're about to return an unquoted newline, we can go and collect | |
5345 | the text of any pending here document. */ | |
5346 | if (need_here_doc) | |
5347 | gather_here_documents (); | |
ccc6cda3 | 5348 | |
28ef6c31 JA |
5349 | #if defined (ALIAS) |
5350 | parser_state &= ~PST_ALEXPNEXT; | |
5351 | #endif /* ALIAS */ | |
ccc6cda3 | 5352 | |
95732b49 JA |
5353 | parser_state &= ~PST_ASSIGNOK; |
5354 | ||
28ef6c31 JA |
5355 | return (character); |
5356 | } | |
726f6388 | 5357 | |
3185942a JA |
5358 | if (parser_state & PST_REGEXP) |
5359 | goto tokword; | |
5360 | ||
28ef6c31 | 5361 | /* Shell meta-characters. */ |
7117c2d2 | 5362 | if MBTEST(shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0)) |
28ef6c31 JA |
5363 | { |
5364 | #if defined (ALIAS) | |
5365 | /* Turn off alias tokenization iff this character sequence would | |
5366 | not leave us ready to read a command. */ | |
5367 | if (character == '<' || character == '>') | |
5368 | parser_state &= ~PST_ALEXPNEXT; | |
5369 | #endif /* ALIAS */ | |
726f6388 | 5370 | |
95732b49 JA |
5371 | parser_state &= ~PST_ASSIGNOK; |
5372 | ||
28ef6c31 JA |
5373 | peek_char = shell_getc (1); |
5374 | if (character == peek_char) | |
5375 | { | |
5376 | switch (character) | |
5377 | { | |
5378 | case '<': | |
5379 | /* If '<' then we could be at "<<" or at "<<-". We have to | |
5380 | look ahead one more character. */ | |
5381 | peek_char = shell_getc (1); | |
3185942a | 5382 | if MBTEST(peek_char == '-') |
28ef6c31 | 5383 | return (LESS_LESS_MINUS); |
3185942a | 5384 | else if MBTEST(peek_char == '<') |
7117c2d2 | 5385 | return (LESS_LESS_LESS); |
28ef6c31 JA |
5386 | else |
5387 | { | |
5388 | shell_ungetc (peek_char); | |
5389 | return (LESS_LESS); | |
5390 | } | |
726f6388 | 5391 | |
28ef6c31 JA |
5392 | case '>': |
5393 | return (GREATER_GREATER); | |
726f6388 | 5394 | |
28ef6c31 JA |
5395 | case ';': |
5396 | parser_state |= PST_CASEPAT; | |
5397 | #if defined (ALIAS) | |
5398 | parser_state &= ~PST_ALEXPNEXT; | |
5399 | #endif /* ALIAS */ | |
95732b49 | 5400 | |
3185942a JA |
5401 | peek_char = shell_getc (1); |
5402 | if MBTEST(peek_char == '&') | |
5403 | return (SEMI_SEMI_AND); | |
5404 | else | |
5405 | { | |
5406 | shell_ungetc (peek_char); | |
5407 | return (SEMI_SEMI); | |
5408 | } | |
726f6388 | 5409 | |
28ef6c31 JA |
5410 | case '&': |
5411 | return (AND_AND); | |
726f6388 | 5412 | |
28ef6c31 JA |
5413 | case '|': |
5414 | return (OR_OR); | |
726f6388 | 5415 | |
28ef6c31 JA |
5416 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
5417 | case '(': /* ) */ | |
7117c2d2 JA |
5418 | result = parse_dparen (character); |
5419 | if (result == -2) | |
5420 | break; | |
5421 | else | |
5422 | return result; | |
726f6388 | 5423 | #endif |
28ef6c31 JA |
5424 | } |
5425 | } | |
7117c2d2 | 5426 | else if MBTEST(character == '<' && peek_char == '&') |
28ef6c31 | 5427 | return (LESS_AND); |
7117c2d2 | 5428 | else if MBTEST(character == '>' && peek_char == '&') |
28ef6c31 | 5429 | return (GREATER_AND); |
7117c2d2 | 5430 | else if MBTEST(character == '<' && peek_char == '>') |
28ef6c31 | 5431 | return (LESS_GREATER); |
7117c2d2 | 5432 | else if MBTEST(character == '>' && peek_char == '|') |
28ef6c31 | 5433 | return (GREATER_BAR); |
3185942a JA |
5434 | else if MBTEST(character == '&' && peek_char == '>') |
5435 | { | |
5436 | peek_char = shell_getc (1); | |
5437 | if MBTEST(peek_char == '>') | |
5438 | return (AND_GREATER_GREATER); | |
5439 | else | |
5440 | { | |
5441 | shell_ungetc (peek_char); | |
5442 | return (AND_GREATER); | |
5443 | } | |
5444 | } | |
5445 | else if MBTEST(character == '|' && peek_char == '&') | |
5446 | return (BAR_AND); | |
5447 | else if MBTEST(character == ';' && peek_char == '&') | |
5448 | { | |
5449 | parser_state |= PST_CASEPAT; | |
5450 | #if defined (ALIAS) | |
5451 | parser_state &= ~PST_ALEXPNEXT; | |
5452 | #endif /* ALIAS */ | |
5453 | return (SEMI_AND); | |
5454 | } | |
726f6388 | 5455 | |
28ef6c31 | 5456 | shell_ungetc (peek_char); |
726f6388 | 5457 | |
28ef6c31 JA |
5458 | /* If we look like we are reading the start of a function |
5459 | definition, then let the reader know about it so that | |
5460 | we will do the right thing with `{'. */ | |
7117c2d2 | 5461 | if MBTEST(character == ')' && last_read_token == '(' && token_before_that == WORD) |
726f6388 | 5462 | { |
28ef6c31 JA |
5463 | parser_state |= PST_ALLOWOPNBRC; |
5464 | #if defined (ALIAS) | |
5465 | parser_state &= ~PST_ALEXPNEXT; | |
5466 | #endif /* ALIAS */ | |
5467 | function_dstart = line_number; | |
5468 | } | |
726f6388 | 5469 | |
28ef6c31 JA |
5470 | /* case pattern lists may be preceded by an optional left paren. If |
5471 | we're not trying to parse a case pattern list, the left paren | |
5472 | indicates a subshell. */ | |
7117c2d2 | 5473 | if MBTEST(character == '(' && (parser_state & PST_CASEPAT) == 0) /* ) */ |
28ef6c31 JA |
5474 | parser_state |= PST_SUBSHELL; |
5475 | /*(*/ | |
7117c2d2 | 5476 | else if MBTEST((parser_state & PST_CASEPAT) && character == ')') |
28ef6c31 JA |
5477 | parser_state &= ~PST_CASEPAT; |
5478 | /*(*/ | |
7117c2d2 | 5479 | else if MBTEST((parser_state & PST_SUBSHELL) && character == ')') |
28ef6c31 | 5480 | parser_state &= ~PST_SUBSHELL; |
726f6388 | 5481 | |
28ef6c31 JA |
5482 | #if defined (PROCESS_SUBSTITUTION) |
5483 | /* Check for the constructs which introduce process substitution. | |
5484 | Shells running in `posix mode' don't do process substitution. */ | |
7117c2d2 | 5485 | if MBTEST(posixly_correct || ((character != '>' && character != '<') || peek_char != '(')) /*)*/ |
28ef6c31 JA |
5486 | #endif /* PROCESS_SUBSTITUTION */ |
5487 | return (character); | |
5488 | } | |
726f6388 | 5489 | |
3185942a JA |
5490 | /* Hack <&- (close stdin) case. Also <&N- (dup and close). */ |
5491 | if MBTEST(character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND)) | |
5492 | return (character); | |
5493 | ||
5494 | tokword: | |
5495 | /* Okay, if we got this far, we have to read a word. Read one, | |
5496 | and then check it against the known ones. */ | |
5497 | result = read_token_word (character); | |
5498 | #if defined (ALIAS) | |
5499 | if (result == RE_READ_TOKEN) | |
5500 | goto re_read_token; | |
5501 | #endif | |
5502 | return result; | |
5503 | } | |
5504 | ||
5505 | /* | |
5506 | * Match a $(...) or other grouping construct. This has to handle embedded | |
5507 | * quoted strings ('', ``, "") and nested constructs. It also must handle | |
5508 | * reprompting the user, if necessary, after reading a newline, and returning | |
5509 | * correct error values if it reads EOF. | |
5510 | */ | |
495aee44 CR |
5511 | #define P_FIRSTCLOSE 0x0001 |
5512 | #define P_ALLOWESC 0x0002 | |
5513 | #define P_DQUOTE 0x0004 | |
5514 | #define P_COMMAND 0x0008 /* parsing a command, so look for comments */ | |
5515 | #define P_BACKQUOTE 0x0010 /* parsing a backquoted command substitution */ | |
5516 | #define P_ARRAYSUB 0x0020 /* parsing a [...] array subscript for assignment */ | |
5517 | #define P_DOLBRACE 0x0040 /* parsing a ${...} construct */ | |
3185942a JA |
5518 | |
5519 | /* Lexical state while parsing a grouping construct or $(...). */ | |
5520 | #define LEX_WASDOL 0x001 | |
5521 | #define LEX_CKCOMMENT 0x002 | |
5522 | #define LEX_INCOMMENT 0x004 | |
5523 | #define LEX_PASSNEXT 0x008 | |
5524 | #define LEX_RESWDOK 0x010 | |
5525 | #define LEX_CKCASE 0x020 | |
5526 | #define LEX_INCASE 0x040 | |
5527 | #define LEX_INHEREDOC 0x080 | |
5528 | #define LEX_HEREDELIM 0x100 /* reading here-doc delimiter */ | |
5529 | #define LEX_STRIPDOC 0x200 /* <<- strip tabs from here doc delim */ | |
0001803f | 5530 | #define LEX_INWORD 0x400 |
3185942a JA |
5531 | |
5532 | #define COMSUB_META(ch) ((ch) == ';' || (ch) == '&' || (ch) == '|') | |
5533 | ||
5534 | #define CHECK_NESTRET_ERROR() \ | |
5535 | do { \ | |
5536 | if (nestret == &matched_pair_error) \ | |
5537 | { \ | |
5538 | free (ret); \ | |
5539 | return &matched_pair_error; \ | |
5540 | } \ | |
5541 | } while (0) | |
5542 | ||
5543 | #define APPEND_NESTRET() \ | |
5544 | do { \ | |
5545 | if (nestlen) \ | |
5546 | { \ | |
5547 | RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64); \ | |
5548 | strcpy (ret + retind, nestret); \ | |
5549 | retind += nestlen; \ | |
5550 | } \ | |
5551 | } while (0) | |
5552 | ||
5553 | static char matched_pair_error; | |
5554 | ||
5555 | static char * | |
5556 | parse_matched_pair (qc, open, close, lenp, flags) | |
5557 | int qc; /* `"' if this construct is within double quotes */ | |
5558 | int open, close; | |
5559 | int *lenp, flags; | |
5560 | { | |
5561 | int count, ch, tflags; | |
5562 | int nestlen, ttranslen, start_lineno; | |
5563 | char *ret, *nestret, *ttrans; | |
5564 | int retind, retsize, rflags; | |
495aee44 CR |
5565 | int dolbrace_state; |
5566 | ||
5567 | dolbrace_state = (flags & P_DOLBRACE) ? DOLBRACE_PARAM : 0; | |
3185942a | 5568 | |
0001803f | 5569 | /*itrace("parse_matched_pair[%d]: open = %c close = %c flags = %d", line_number, open, close, flags);*/ |
3185942a JA |
5570 | count = 1; |
5571 | tflags = 0; | |
5572 | ||
5573 | if ((flags & P_COMMAND) && qc != '`' && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0) | |
5574 | tflags |= LEX_CKCOMMENT; | |
5575 | ||
5576 | /* RFLAGS is the set of flags we want to pass to recursive calls. */ | |
5577 | rflags = (qc == '"') ? P_DQUOTE : (flags & P_DQUOTE); | |
5578 | ||
5579 | ret = (char *)xmalloc (retsize = 64); | |
5580 | retind = 0; | |
5581 | ||
5582 | start_lineno = line_number; | |
5583 | while (count) | |
5584 | { | |
495aee44 | 5585 | ch = shell_getc (qc != '\'' && (tflags & (LEX_PASSNEXT)) == 0); |
3185942a JA |
5586 | |
5587 | if (ch == EOF) | |
5588 | { | |
5589 | free (ret); | |
5590 | parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), close); | |
5591 | EOF_Reached = 1; /* XXX */ | |
5592 | return (&matched_pair_error); | |
5593 | } | |
5594 | ||
5595 | /* Possible reprompting. */ | |
5596 | if (ch == '\n' && SHOULD_PROMPT ()) | |
5597 | prompt_again (); | |
5598 | ||
5599 | /* Don't bother counting parens or doing anything else if in a comment | |
5600 | or part of a case statement */ | |
5601 | if (tflags & LEX_INCOMMENT) | |
5602 | { | |
5603 | /* Add this character. */ | |
5604 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
5605 | ret[retind++] = ch; | |
5606 | ||
5607 | if (ch == '\n') | |
5608 | tflags &= ~LEX_INCOMMENT; | |
5609 | ||
5610 | continue; | |
5611 | } | |
5612 | ||
5613 | /* Not exactly right yet, should handle shell metacharacters, too. If | |
5614 | any changes are made to this test, make analogous changes to subst.c: | |
5615 | extract_delimited_string(). */ | |
5616 | else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (retind == 0 || ret[retind-1] == '\n' || shellblank (ret[retind - 1]))) | |
5617 | tflags |= LEX_INCOMMENT; | |
5618 | ||
5619 | if (tflags & LEX_PASSNEXT) /* last char was backslash */ | |
5620 | { | |
5621 | tflags &= ~LEX_PASSNEXT; | |
5622 | if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */ | |
5623 | { | |
5624 | if (retind > 0) | |
5625 | retind--; /* swallow previously-added backslash */ | |
5626 | continue; | |
5627 | } | |
5628 | ||
5629 | RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64); | |
ac50fbac | 5630 | if MBTEST(ch == CTLESC) |
3185942a JA |
5631 | ret[retind++] = CTLESC; |
5632 | ret[retind++] = ch; | |
5633 | continue; | |
5634 | } | |
5635 | /* If we're reparsing the input (e.g., from parse_string_to_word_list), | |
5636 | we've already prepended CTLESC to single-quoted results of $'...'. | |
5637 | We may want to do this for other CTLESC-quoted characters in | |
5638 | reparse, too. */ | |
5639 | else if MBTEST((parser_state & PST_REPARSE) && open == '\'' && (ch == CTLESC || ch == CTLNUL)) | |
5640 | { | |
5641 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
5642 | ret[retind++] = ch; | |
5643 | continue; | |
5644 | } | |
5645 | else if MBTEST(ch == CTLESC || ch == CTLNUL) /* special shell escapes */ | |
5646 | { | |
5647 | RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64); | |
5648 | ret[retind++] = CTLESC; | |
5649 | ret[retind++] = ch; | |
5650 | continue; | |
5651 | } | |
5652 | else if MBTEST(ch == close) /* ending delimiter */ | |
5653 | count--; | |
5654 | /* handle nested ${...} specially. */ | |
5655 | else if MBTEST(open != close && (tflags & LEX_WASDOL) && open == '{' && ch == open) /* } */ | |
5656 | count++; | |
5657 | else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && ch == open) /* nested begin */ | |
5658 | count++; | |
5659 | ||
5660 | /* Add this character. */ | |
5661 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
5662 | ret[retind++] = ch; | |
5663 | ||
5664 | /* If we just read the ending character, don't bother continuing. */ | |
5665 | if (count == 0) | |
5666 | break; | |
5667 | ||
5668 | if (open == '\'') /* '' inside grouping construct */ | |
5669 | { | |
5670 | if MBTEST((flags & P_ALLOWESC) && ch == '\\') | |
5671 | tflags |= LEX_PASSNEXT; | |
5672 | continue; | |
5673 | } | |
5674 | ||
5675 | if MBTEST(ch == '\\') /* backslashes */ | |
5676 | tflags |= LEX_PASSNEXT; | |
5677 | ||
495aee44 CR |
5678 | /* Based on which dolstate is currently in (param, op, or word), |
5679 | decide what the op is. We're really only concerned if it's % or | |
5680 | #, so we can turn on a flag that says whether or not we should | |
5681 | treat single quotes as special when inside a double-quoted | |
5682 | ${...}. This logic must agree with subst.c:extract_dollar_brace_string | |
5683 | since they share the same defines. */ | |
ac50fbac | 5684 | /* FLAG POSIX INTERP 221 */ |
495aee44 CR |
5685 | if (flags & P_DOLBRACE) |
5686 | { | |
5687 | /* ${param%[%]word} */ | |
5688 | if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '%' && retind > 1) | |
5689 | dolbrace_state = DOLBRACE_QUOTE; | |
5690 | /* ${param#[#]word} */ | |
5691 | else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '#' && retind > 1) | |
5692 | dolbrace_state = DOLBRACE_QUOTE; | |
5693 | /* ${param/[/]pat/rep} */ | |
5694 | else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '/' && retind > 1) | |
ac50fbac | 5695 | dolbrace_state = DOLBRACE_QUOTE2; /* XXX */ |
495aee44 CR |
5696 | /* ${param^[^]pat} */ |
5697 | else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == '^' && retind > 1) | |
5698 | dolbrace_state = DOLBRACE_QUOTE; | |
5699 | /* ${param,[,]pat} */ | |
5700 | else if MBTEST(dolbrace_state == DOLBRACE_PARAM && ch == ',' && retind > 1) | |
5701 | dolbrace_state = DOLBRACE_QUOTE; | |
5702 | else if MBTEST(dolbrace_state == DOLBRACE_PARAM && strchr ("#%^,~:-=?+/", ch) != 0) | |
5703 | dolbrace_state = DOLBRACE_OP; | |
5704 | else if MBTEST(dolbrace_state == DOLBRACE_OP && strchr ("#%^,~:-=?+/", ch) == 0) | |
5705 | dolbrace_state = DOLBRACE_WORD; | |
5706 | } | |
5707 | ||
3185942a | 5708 | /* The big hammer. Single quotes aren't special in double quotes. The |
495aee44 | 5709 | problem is that Posix used to say the single quotes are semi-special: |
3185942a JA |
5710 | within a double-quoted ${...} construct "an even number of |
5711 | unescaped double-quotes or single-quotes, if any, shall occur." */ | |
495aee44 | 5712 | /* This was changed in Austin Group Interp 221 */ |
bc63a081 | 5713 | if MBTEST(posixly_correct && shell_compatibility_level > 41 && dolbrace_state != DOLBRACE_QUOTE && dolbrace_state != DOLBRACE_QUOTE2 && (flags & P_DQUOTE) && (flags & P_DOLBRACE) && ch == '\'') |
3185942a | 5714 | continue; |
3185942a JA |
5715 | |
5716 | /* Could also check open == '`' if we want to parse grouping constructs | |
5717 | inside old-style command substitution. */ | |
5718 | if (open != close) /* a grouping construct */ | |
5719 | { | |
5720 | if MBTEST(shellquote (ch)) | |
5721 | { | |
5722 | /* '', ``, or "" inside $(...) or other grouping construct. */ | |
5723 | push_delimiter (dstack, ch); | |
5724 | if MBTEST((tflags & LEX_WASDOL) && ch == '\'') /* $'...' inside group */ | |
5725 | nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC|rflags); | |
5726 | else | |
5727 | nestret = parse_matched_pair (ch, ch, ch, &nestlen, rflags); | |
5728 | pop_delimiter (dstack); | |
5729 | CHECK_NESTRET_ERROR (); | |
5730 | ||
5731 | if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0)) | |
5732 | { | |
5733 | /* Translate $'...' here. */ | |
5734 | ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen); | |
5735 | xfree (nestret); | |
5736 | ||
ac50fbac CR |
5737 | /* If we're parsing a double-quoted brace expansion and we are |
5738 | not in a place where single quotes are treated specially, | |
5739 | make sure we single-quote the results of the ansi | |
5740 | expansion because quote removal should remove them later */ | |
5741 | /* FLAG POSIX INTERP 221 */ | |
5742 | if ((shell_compatibility_level > 42) && (rflags & P_DQUOTE) && (dolbrace_state == DOLBRACE_QUOTE2) && (flags & P_DOLBRACE)) | |
5743 | { | |
5744 | nestret = sh_single_quote (ttrans); | |
5745 | free (ttrans); | |
5746 | nestlen = strlen (nestret); | |
5747 | } | |
5748 | else if ((rflags & P_DQUOTE) == 0) | |
3185942a JA |
5749 | { |
5750 | nestret = sh_single_quote (ttrans); | |
5751 | free (ttrans); | |
5752 | nestlen = strlen (nestret); | |
5753 | } | |
5754 | else | |
5755 | { | |
5756 | nestret = ttrans; | |
5757 | nestlen = ttranslen; | |
5758 | } | |
5759 | retind -= 2; /* back up before the $' */ | |
5760 | } | |
5761 | else if MBTEST((tflags & LEX_WASDOL) && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0)) | |
5762 | { | |
5763 | /* Locale expand $"..." here. */ | |
5764 | ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen); | |
5765 | xfree (nestret); | |
5766 | ||
5767 | nestret = sh_mkdoublequoted (ttrans, ttranslen, 0); | |
5768 | free (ttrans); | |
5769 | nestlen = ttranslen + 2; | |
5770 | retind -= 2; /* back up before the $" */ | |
5771 | } | |
5772 | ||
5773 | APPEND_NESTRET (); | |
5774 | FREE (nestret); | |
5775 | } | |
0001803f CR |
5776 | else if ((flags & P_ARRAYSUB) && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */ |
5777 | goto parse_dollar_word; | |
3185942a JA |
5778 | } |
5779 | /* Parse an old-style command substitution within double quotes as a | |
5780 | single word. */ | |
5781 | /* XXX - sh and ksh93 don't do this - XXX */ | |
5782 | else if MBTEST(open == '"' && ch == '`') | |
5783 | { | |
5784 | nestret = parse_matched_pair (0, '`', '`', &nestlen, rflags); | |
5785 | ||
5786 | CHECK_NESTRET_ERROR (); | |
5787 | APPEND_NESTRET (); | |
5788 | ||
5789 | FREE (nestret); | |
5790 | } | |
5791 | else if MBTEST(open != '`' && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */ | |
5792 | /* check for $(), $[], or ${} inside quoted string. */ | |
5793 | { | |
0001803f | 5794 | parse_dollar_word: |
3185942a JA |
5795 | if (open == ch) /* undo previous increment */ |
5796 | count--; | |
5797 | if (ch == '(') /* ) */ | |
5798 | nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE); | |
5799 | else if (ch == '{') /* } */ | |
495aee44 | 5800 | nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|P_DOLBRACE|rflags); |
3185942a JA |
5801 | else if (ch == '[') /* ] */ |
5802 | nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags); | |
5803 | ||
5804 | CHECK_NESTRET_ERROR (); | |
5805 | APPEND_NESTRET (); | |
726f6388 | 5806 | |
3185942a JA |
5807 | FREE (nestret); |
5808 | } | |
5809 | if MBTEST(ch == '$') | |
5810 | tflags |= LEX_WASDOL; | |
5811 | else | |
5812 | tflags &= ~LEX_WASDOL; | |
5813 | } | |
726f6388 | 5814 | |
3185942a JA |
5815 | ret[retind] = '\0'; |
5816 | if (lenp) | |
5817 | *lenp = retind; | |
0001803f | 5818 | /*itrace("parse_matched_pair[%d]: returning %s", line_number, ret);*/ |
3185942a JA |
5819 | return ret; |
5820 | } | |
726f6388 | 5821 | |
3185942a JA |
5822 | /* Parse a $(...) command substitution. This is messier than I'd like, and |
5823 | reproduces a lot more of the token-reading code than I'd like. */ | |
28ef6c31 | 5824 | static char * |
3185942a | 5825 | parse_comsub (qc, open, close, lenp, flags) |
28ef6c31 JA |
5826 | int qc; /* `"' if this construct is within double quotes */ |
5827 | int open, close; | |
5828 | int *lenp, flags; | |
5829 | { | |
0001803f | 5830 | int count, ch, peekc, tflags, lex_rwlen, lex_wlen, lex_firstind; |
3185942a JA |
5831 | int nestlen, ttranslen, start_lineno; |
5832 | char *ret, *nestret, *ttrans, *heredelim; | |
5833 | int retind, retsize, rflags, hdlen; | |
ccc6cda3 | 5834 | |
495aee44 CR |
5835 | /* Posix interp 217 says arithmetic expressions have precedence, so |
5836 | assume $(( introduces arithmetic expansion and parse accordingly. */ | |
5837 | peekc = shell_getc (0); | |
5838 | shell_ungetc (peekc); | |
5839 | if (peekc == '(') | |
5840 | return (parse_matched_pair (qc, open, close, lenp, 0)); | |
5841 | ||
3185942a | 5842 | /*itrace("parse_comsub: qc = `%c' open = %c close = %c", qc, open, close);*/ |
28ef6c31 | 5843 | count = 1; |
3185942a JA |
5844 | tflags = LEX_RESWDOK; |
5845 | ||
5846 | if ((flags & P_COMMAND) && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0) | |
5847 | tflags |= LEX_CKCASE; | |
5848 | if ((tflags & LEX_CKCASE) && (interactive == 0 || interactive_comments)) | |
5849 | tflags |= LEX_CKCOMMENT; | |
d166f048 | 5850 | |
b80f6443 | 5851 | /* RFLAGS is the set of flags we want to pass to recursive calls. */ |
3185942a | 5852 | rflags = (flags & P_DQUOTE); |
b80f6443 | 5853 | |
f73dda09 | 5854 | ret = (char *)xmalloc (retsize = 64); |
28ef6c31 JA |
5855 | retind = 0; |
5856 | ||
5857 | start_lineno = line_number; | |
0001803f | 5858 | lex_rwlen = lex_wlen = 0; |
3185942a JA |
5859 | |
5860 | heredelim = 0; | |
5861 | lex_firstind = -1; | |
5862 | ||
28ef6c31 JA |
5863 | while (count) |
5864 | { | |
3185942a | 5865 | comsub_readchar: |
495aee44 | 5866 | ch = shell_getc (qc != '\'' && (tflags & (LEX_INCOMMENT|LEX_PASSNEXT)) == 0); |
0628567a | 5867 | |
28ef6c31 | 5868 | if (ch == EOF) |
ccc6cda3 | 5869 | { |
3185942a | 5870 | eof_error: |
28ef6c31 | 5871 | free (ret); |
3185942a | 5872 | FREE (heredelim); |
b80f6443 | 5873 | parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), close); |
28ef6c31 JA |
5874 | EOF_Reached = 1; /* XXX */ |
5875 | return (&matched_pair_error); | |
ccc6cda3 JA |
5876 | } |
5877 | ||
3185942a JA |
5878 | /* If we hit the end of a line and are reading the contents of a here |
5879 | document, and it's not the same line that the document starts on, | |
5880 | check for this line being the here doc delimiter. Otherwise, if | |
5881 | we're in a here document, mark the next character as the beginning | |
5882 | of a line. */ | |
5883 | if (ch == '\n') | |
5884 | { | |
5885 | if ((tflags & LEX_HEREDELIM) && heredelim) | |
5886 | { | |
5887 | tflags &= ~LEX_HEREDELIM; | |
5888 | tflags |= LEX_INHEREDOC; | |
5889 | lex_firstind = retind + 1; | |
5890 | } | |
5891 | else if (tflags & LEX_INHEREDOC) | |
5892 | { | |
5893 | int tind; | |
5894 | tind = lex_firstind; | |
5895 | while ((tflags & LEX_STRIPDOC) && ret[tind] == '\t') | |
5896 | tind++; | |
5897 | if (STREQN (ret + tind, heredelim, hdlen)) | |
5898 | { | |
5899 | tflags &= ~(LEX_STRIPDOC|LEX_INHEREDOC); | |
5900 | /*itrace("parse_comsub:%d: found here doc end `%s'", line_number, ret + tind);*/ | |
0001803f CR |
5901 | free (heredelim); |
5902 | heredelim = 0; | |
3185942a JA |
5903 | lex_firstind = -1; |
5904 | } | |
5905 | else | |
5906 | lex_firstind = retind + 1; | |
5907 | } | |
5908 | } | |
5909 | ||
28ef6c31 | 5910 | /* Possible reprompting. */ |
b80f6443 | 5911 | if (ch == '\n' && SHOULD_PROMPT ()) |
28ef6c31 | 5912 | prompt_again (); |
726f6388 | 5913 | |
0001803f CR |
5914 | /* XXX -- possibly allow here doc to be delimited by ending right |
5915 | paren. */ | |
5916 | if ((tflags & LEX_INHEREDOC) && ch == close && count == 1) | |
5917 | { | |
5918 | int tind; | |
5919 | /*itrace("parse_comsub: in here doc, ch == close, retind - firstind = %d hdlen = %d retind = %d", retind-lex_firstind, hdlen, retind);*/ | |
5920 | tind = lex_firstind; | |
5921 | while ((tflags & LEX_STRIPDOC) && ret[tind] == '\t') | |
5922 | tind++; | |
5923 | if (retind-tind == hdlen && STREQN (ret + tind, heredelim, hdlen)) | |
5924 | { | |
5925 | tflags &= ~(LEX_STRIPDOC|LEX_INHEREDOC); | |
5926 | /*itrace("parse_comsub:%d: found here doc end `%s'", line_number, ret + tind);*/ | |
5927 | free (heredelim); | |
5928 | heredelim = 0; | |
5929 | lex_firstind = -1; | |
5930 | } | |
5931 | } | |
5932 | ||
3185942a JA |
5933 | /* Don't bother counting parens or doing anything else if in a comment */ |
5934 | if (tflags & (LEX_INCOMMENT|LEX_INHEREDOC)) | |
95732b49 JA |
5935 | { |
5936 | /* Add this character. */ | |
5937 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
5938 | ret[retind++] = ch; | |
5939 | ||
3185942a | 5940 | if ((tflags & LEX_INCOMMENT) && ch == '\n') |
ac50fbac | 5941 | { |
0001803f | 5942 | /*itrace("parse_comsub:%d: lex_incomment -> 0 ch = `%c'", line_number, ch);*/ |
ac50fbac CR |
5943 | tflags &= ~LEX_INCOMMENT; |
5944 | } | |
95732b49 JA |
5945 | |
5946 | continue; | |
5947 | } | |
95732b49 | 5948 | |
0001803f CR |
5949 | if (tflags & LEX_PASSNEXT) /* last char was backslash */ |
5950 | { | |
5951 | /*itrace("parse_comsub:%d: lex_passnext -> 0 ch = `%c' (%d)", line_number, ch, __LINE__);*/ | |
5952 | tflags &= ~LEX_PASSNEXT; | |
5953 | if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */ | |
5954 | { | |
5955 | if (retind > 0) | |
5956 | retind--; /* swallow previously-added backslash */ | |
5957 | continue; | |
5958 | } | |
5959 | ||
5960 | RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64); | |
ac50fbac | 5961 | if MBTEST(ch == CTLESC) |
0001803f CR |
5962 | ret[retind++] = CTLESC; |
5963 | ret[retind++] = ch; | |
5964 | continue; | |
5965 | } | |
5966 | ||
5967 | /* If this is a shell break character, we are not in a word. If not, | |
5968 | we either start or continue a word. */ | |
5969 | if MBTEST(shellbreak (ch)) | |
5970 | { | |
5971 | tflags &= ~LEX_INWORD; | |
5972 | /*itrace("parse_comsub:%d: lex_inword -> 0 ch = `%c' (%d)", line_number, ch, __LINE__);*/ | |
5973 | } | |
5974 | else | |
5975 | { | |
5976 | if (tflags & LEX_INWORD) | |
5977 | { | |
5978 | lex_wlen++; | |
5979 | /*itrace("parse_comsub:%d: lex_inword == 1 ch = `%c' lex_wlen = %d (%d)", line_number, ch, lex_wlen, __LINE__);*/ | |
5980 | } | |
5981 | else | |
5982 | { | |
5983 | /*itrace("parse_comsub:%d: lex_inword -> 1 ch = `%c' (%d)", line_number, ch, __LINE__);*/ | |
5984 | tflags |= LEX_INWORD; | |
5985 | lex_wlen = 0; | |
5986 | } | |
5987 | } | |
5988 | ||
3185942a | 5989 | /* Skip whitespace */ |
495aee44 | 5990 | if MBTEST(shellblank (ch) && (tflags & LEX_HEREDELIM) == 0 && lex_rwlen == 0) |
3185942a JA |
5991 | { |
5992 | /* Add this character. */ | |
5993 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
5994 | ret[retind++] = ch; | |
5995 | continue; | |
5996 | } | |
5997 | ||
5998 | /* Either we are looking for the start of the here-doc delimiter | |
5999 | (lex_firstind == -1) or we are reading one (lex_firstind >= 0). | |
6000 | If this character is a shell break character and we are reading | |
6001 | the delimiter, save it and note that we are now reading a here | |
6002 | document. If we've found the start of the delimiter, note it by | |
6003 | setting lex_firstind. Backslashes can quote shell metacharacters | |
6004 | in here-doc delimiters. */ | |
6005 | if (tflags & LEX_HEREDELIM) | |
0628567a | 6006 | { |
3185942a JA |
6007 | if (lex_firstind == -1 && shellbreak (ch) == 0) |
6008 | lex_firstind = retind; | |
0001803f CR |
6009 | #if 0 |
6010 | else if (heredelim && (tflags & LEX_PASSNEXT) == 0 && ch == '\n') | |
6011 | { | |
6012 | tflags |= LEX_INHEREDOC; | |
6013 | tflags &= ~LEX_HEREDELIM; | |
6014 | lex_firstind = retind + 1; | |
6015 | } | |
6016 | #endif | |
3185942a JA |
6017 | else if (lex_firstind >= 0 && (tflags & LEX_PASSNEXT) == 0 && shellbreak (ch)) |
6018 | { | |
0001803f CR |
6019 | if (heredelim == 0) |
6020 | { | |
6021 | nestret = substring (ret, lex_firstind, retind); | |
6022 | heredelim = string_quote_removal (nestret, 0); | |
6023 | free (nestret); | |
6024 | hdlen = STRLEN(heredelim); | |
3185942a | 6025 | /*itrace("parse_comsub:%d: found here doc delimiter `%s' (%d)", line_number, heredelim, hdlen);*/ |
0001803f | 6026 | } |
3185942a JA |
6027 | if (ch == '\n') |
6028 | { | |
6029 | tflags |= LEX_INHEREDOC; | |
6030 | tflags &= ~LEX_HEREDELIM; | |
6031 | lex_firstind = retind + 1; | |
6032 | } | |
6033 | else | |
6034 | lex_firstind = -1; | |
6035 | } | |
0628567a JA |
6036 | } |
6037 | ||
3185942a | 6038 | /* Meta-characters that can introduce a reserved word. Not perfect yet. */ |
0001803f | 6039 | if MBTEST((tflags & LEX_RESWDOK) == 0 && (tflags & LEX_CKCASE) && (tflags & LEX_INCOMMENT) == 0 && (shellmeta(ch) || ch == '\n')) |
726f6388 | 6040 | { |
3185942a JA |
6041 | /* Add this character. */ |
6042 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6043 | ret[retind++] = ch; | |
6044 | peekc = shell_getc (1); | |
6045 | if (ch == peekc && (ch == '&' || ch == '|' || ch == ';')) /* two-character tokens */ | |
6046 | { | |
6047 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6048 | ret[retind++] = peekc; | |
0001803f | 6049 | /*itrace("parse_comsub:%d: set lex_reswordok = 1, ch = `%c'", line_number, ch);*/ |
3185942a JA |
6050 | tflags |= LEX_RESWDOK; |
6051 | lex_rwlen = 0; | |
6052 | continue; | |
6053 | } | |
6054 | else if (ch == '\n' || COMSUB_META(ch)) | |
6055 | { | |
6056 | shell_ungetc (peekc); | |
3185942a | 6057 | /*itrace("parse_comsub:%d: set lex_reswordok = 1, ch = `%c'", line_number, ch);*/ |
0001803f | 6058 | tflags |= LEX_RESWDOK; |
3185942a JA |
6059 | lex_rwlen = 0; |
6060 | continue; | |
6061 | } | |
6062 | else if (ch == EOF) | |
6063 | goto eof_error; | |
6064 | else | |
6065 | { | |
6066 | /* `unget' the character we just added and fall through */ | |
6067 | retind--; | |
6068 | shell_ungetc (peekc); | |
6069 | } | |
6070 | } | |
6071 | ||
6072 | /* If we can read a reserved word, try to read one. */ | |
6073 | if (tflags & LEX_RESWDOK) | |
6074 | { | |
6075 | if MBTEST(islower (ch)) | |
6076 | { | |
6077 | /* Add this character. */ | |
6078 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6079 | ret[retind++] = ch; | |
6080 | lex_rwlen++; | |
6081 | continue; | |
6082 | } | |
6083 | else if MBTEST(lex_rwlen == 4 && shellbreak (ch)) | |
6084 | { | |
6085 | if (STREQN (ret + retind - 4, "case", 4)) | |
ac50fbac CR |
6086 | { |
6087 | tflags |= LEX_INCASE; | |
0001803f | 6088 | /*itrace("parse_comsub:%d: found `case', lex_incase -> 1 lex_reswdok -> 0", line_number);*/ |
ac50fbac | 6089 | } |
3185942a | 6090 | else if (STREQN (ret + retind - 4, "esac", 4)) |
ac50fbac CR |
6091 | { |
6092 | tflags &= ~LEX_INCASE; | |
0001803f | 6093 | /*itrace("parse_comsub:%d: found `esac', lex_incase -> 0 lex_reswdok -> 0", line_number);*/ |
ac50fbac | 6094 | } |
3185942a JA |
6095 | tflags &= ~LEX_RESWDOK; |
6096 | } | |
0001803f CR |
6097 | else if MBTEST((tflags & LEX_CKCOMMENT) && ch == '#' && (lex_rwlen == 0 || ((tflags & LEX_INWORD) && lex_wlen == 0))) |
6098 | ; /* don't modify LEX_RESWDOK if we're starting a comment */ | |
ac50fbac CR |
6099 | /* Allow `do' followed by space, tab, or newline to preserve the |
6100 | RESWDOK flag, but reset the reserved word length counter so we | |
6101 | can read another one. */ | |
6102 | else if MBTEST(((tflags & LEX_INCASE) == 0) && | |
6103 | (isblank(ch) || ch == '\n') && | |
6104 | lex_rwlen == 2 && | |
6105 | STREQN (ret + retind - 2, "do", 2)) | |
6106 | { | |
6107 | /*itrace("parse_comsub:%d: lex_incase == 1 found `%c', found \"do\"", line_number, ch);*/ | |
6108 | lex_rwlen = 0; | |
6109 | } | |
0001803f CR |
6110 | else if MBTEST((tflags & LEX_INCASE) && ch != '\n') |
6111 | /* If we can read a reserved word and we're in case, we're at the | |
6112 | point where we can read a new pattern list or an esac. We | |
6113 | handle the esac case above. If we read a newline, we want to | |
6114 | leave LEX_RESWDOK alone. If we read anything else, we want to | |
6115 | turn off LEX_RESWDOK, since we're going to read a pattern list. */ | |
ac50fbac CR |
6116 | { |
6117 | tflags &= ~LEX_RESWDOK; | |
0001803f | 6118 | /*itrace("parse_comsub:%d: lex_incase == 1 found `%c', lex_reswordok -> 0", line_number, ch);*/ |
ac50fbac | 6119 | } |
0001803f | 6120 | else if MBTEST(shellbreak (ch) == 0) |
ac50fbac CR |
6121 | { |
6122 | tflags &= ~LEX_RESWDOK; | |
3185942a | 6123 | /*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/ |
ac50fbac CR |
6124 | } |
6125 | #if 0 | |
6126 | /* If we find a space or tab but have read something and it's not | |
6127 | `do', turn off the reserved-word-ok flag */ | |
6128 | else if MBTEST(isblank (ch) && lex_rwlen > 0) | |
6129 | { | |
6130 | tflags &= ~LEX_RESWDOK; | |
6131 | /*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/ | |
6132 | } | |
6133 | #endif | |
3185942a JA |
6134 | } |
6135 | ||
0001803f | 6136 | /* Might be the start of a here-doc delimiter */ |
3185942a JA |
6137 | if MBTEST((tflags & LEX_INCOMMENT) == 0 && (tflags & LEX_CKCASE) && ch == '<') |
6138 | { | |
6139 | /* Add this character. */ | |
6140 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6141 | ret[retind++] = ch; | |
6142 | peekc = shell_getc (1); | |
6143 | if (peekc == EOF) | |
6144 | goto eof_error; | |
6145 | if (peekc == ch) | |
6146 | { | |
6147 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6148 | ret[retind++] = peekc; | |
6149 | peekc = shell_getc (1); | |
6150 | if (peekc == EOF) | |
6151 | goto eof_error; | |
6152 | if (peekc == '-') | |
6153 | { | |
6154 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6155 | ret[retind++] = peekc; | |
6156 | tflags |= LEX_STRIPDOC; | |
6157 | } | |
6158 | else | |
6159 | shell_ungetc (peekc); | |
0001803f CR |
6160 | if (peekc != '<') |
6161 | { | |
6162 | tflags |= LEX_HEREDELIM; | |
6163 | lex_firstind = -1; | |
6164 | } | |
3185942a JA |
6165 | continue; |
6166 | } | |
6167 | else | |
0001803f | 6168 | ch = peekc; /* fall through and continue XXX */ |
3185942a | 6169 | } |
0001803f | 6170 | else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (((tflags & LEX_RESWDOK) && lex_rwlen == 0) || ((tflags & LEX_INWORD) && lex_wlen == 0))) |
ac50fbac | 6171 | { |
0001803f | 6172 | /*itrace("parse_comsub:%d: lex_incomment -> 1 (%d)", line_number, __LINE__);*/ |
ac50fbac CR |
6173 | tflags |= LEX_INCOMMENT; |
6174 | } | |
3185942a | 6175 | |
0001803f | 6176 | if MBTEST(ch == CTLESC || ch == CTLNUL) /* special shell escapes */ |
726f6388 | 6177 | { |
28ef6c31 JA |
6178 | RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64); |
6179 | ret[retind++] = CTLESC; | |
6180 | ret[retind++] = ch; | |
6181 | continue; | |
726f6388 | 6182 | } |
3185942a JA |
6183 | #if 0 |
6184 | else if MBTEST((tflags & LEX_INCASE) && ch == close && close == ')') | |
6185 | tflags &= ~LEX_INCASE; /* XXX */ | |
6186 | #endif | |
6187 | else if MBTEST(ch == close && (tflags & LEX_INCASE) == 0) /* ending delimiter */ | |
ac50fbac CR |
6188 | { |
6189 | count--; | |
3185942a | 6190 | /*itrace("parse_comsub:%d: found close: count = %d", line_number, count);*/ |
ac50fbac | 6191 | } |
3185942a | 6192 | else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && (tflags & LEX_INCASE) == 0 && ch == open) /* nested begin */ |
ac50fbac CR |
6193 | { |
6194 | count++; | |
0001803f | 6195 | /*itrace("parse_comsub:%d: found open: count = %d", line_number, count);*/ |
ac50fbac | 6196 | } |
726f6388 | 6197 | |
28ef6c31 JA |
6198 | /* Add this character. */ |
6199 | RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64); | |
6200 | ret[retind++] = ch; | |
6201 | ||
3185942a JA |
6202 | /* If we just read the ending character, don't bother continuing. */ |
6203 | if (count == 0) | |
6204 | break; | |
726f6388 | 6205 | |
7117c2d2 | 6206 | if MBTEST(ch == '\\') /* backslashes */ |
3185942a | 6207 | tflags |= LEX_PASSNEXT; |
28ef6c31 | 6208 | |
3185942a JA |
6209 | if MBTEST(shellquote (ch)) |
6210 | { | |
6211 | /* '', ``, or "" inside $(...). */ | |
6212 | push_delimiter (dstack, ch); | |
6213 | if MBTEST((tflags & LEX_WASDOL) && ch == '\'') /* $'...' inside group */ | |
6214 | nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC|rflags); | |
6215 | else | |
6216 | nestret = parse_matched_pair (ch, ch, ch, &nestlen, rflags); | |
6217 | pop_delimiter (dstack); | |
6218 | CHECK_NESTRET_ERROR (); | |
6219 | ||
6220 | if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0)) | |
28ef6c31 | 6221 | { |
3185942a JA |
6222 | /* Translate $'...' here. */ |
6223 | ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen); | |
6224 | xfree (nestret); | |
95732b49 | 6225 | |
3185942a | 6226 | if ((rflags & P_DQUOTE) == 0) |
28ef6c31 | 6227 | { |
3185942a | 6228 | nestret = sh_single_quote (ttrans); |
28ef6c31 | 6229 | free (ttrans); |
3185942a | 6230 | nestlen = strlen (nestret); |
28ef6c31 | 6231 | } |
3185942a | 6232 | else |
28ef6c31 | 6233 | { |
3185942a JA |
6234 | nestret = ttrans; |
6235 | nestlen = ttranslen; | |
28ef6c31 | 6236 | } |
3185942a | 6237 | retind -= 2; /* back up before the $' */ |
28ef6c31 | 6238 | } |
3185942a | 6239 | else if MBTEST((tflags & LEX_WASDOL) && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0)) |
28ef6c31 | 6240 | { |
3185942a JA |
6241 | /* Locale expand $"..." here. */ |
6242 | ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen); | |
6243 | xfree (nestret); | |
6244 | ||
6245 | nestret = sh_mkdoublequoted (ttrans, ttranslen, 0); | |
6246 | free (ttrans); | |
6247 | nestlen = ttranslen + 2; | |
6248 | retind -= 2; /* back up before the $" */ | |
28ef6c31 | 6249 | } |
3185942a JA |
6250 | |
6251 | APPEND_NESTRET (); | |
28ef6c31 JA |
6252 | FREE (nestret); |
6253 | } | |
3185942a JA |
6254 | else if MBTEST((tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */ |
6255 | /* check for $(), $[], or ${} inside command substitution. */ | |
28ef6c31 | 6256 | { |
3185942a | 6257 | if ((tflags & LEX_INCASE) == 0 && open == ch) /* undo previous increment */ |
28ef6c31 JA |
6258 | count--; |
6259 | if (ch == '(') /* ) */ | |
3185942a | 6260 | nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE); |
28ef6c31 | 6261 | else if (ch == '{') /* } */ |
495aee44 | 6262 | nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|P_DOLBRACE|rflags); |
28ef6c31 | 6263 | else if (ch == '[') /* ] */ |
b80f6443 | 6264 | nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags); |
95732b49 | 6265 | |
3185942a JA |
6266 | CHECK_NESTRET_ERROR (); |
6267 | APPEND_NESTRET (); | |
6268 | ||
6269 | FREE (nestret); | |
726f6388 | 6270 | } |
3185942a JA |
6271 | if MBTEST(ch == '$') |
6272 | tflags |= LEX_WASDOL; | |
6273 | else | |
6274 | tflags &= ~LEX_WASDOL; | |
726f6388 | 6275 | } |
ccc6cda3 | 6276 | |
3185942a | 6277 | FREE (heredelim); |
28ef6c31 JA |
6278 | ret[retind] = '\0'; |
6279 | if (lenp) | |
6280 | *lenp = retind; | |
3185942a JA |
6281 | /*itrace("parse_comsub:%d: returning `%s'", line_number, ret);*/ |
6282 | return ret; | |
6283 | } | |
6284 | ||
495aee44 | 6285 | /* Recursively call the parser to parse a $(...) command substitution. */ |
3185942a JA |
6286 | char * |
6287 | xparse_dolparen (base, string, indp, flags) | |
6288 | char *base; | |
6289 | char *string; | |
6290 | int *indp; | |
6291 | int flags; | |
6292 | { | |
6293 | sh_parser_state_t ps; | |
509a4430 | 6294 | sh_input_line_state_t ls; |
ac50fbac | 6295 | int orig_ind, nc, sflags, orig_eof_token; |
3185942a JA |
6296 | char *ret, *s, *ep, *ostring; |
6297 | ||
6298 | /*yydebug = 1;*/ | |
6299 | orig_ind = *indp; | |
6300 | ostring = string; | |
6301 | ||
509a4430 | 6302 | /*itrace("xparse_dolparen: size = %d shell_input_line = `%s'", shell_input_line_size, shell_input_line);*/ |
3185942a JA |
6303 | sflags = SEVAL_NONINT|SEVAL_NOHIST|SEVAL_NOFREE; |
6304 | if (flags & SX_NOLONGJMP) | |
6305 | sflags |= SEVAL_NOLONGJMP; | |
6306 | save_parser_state (&ps); | |
509a4430 | 6307 | save_input_line_state (&ls); |
ac50fbac | 6308 | orig_eof_token = shell_eof_token; |
3185942a JA |
6309 | |
6310 | /*(*/ | |
6311 | parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/ | |
6312 | shell_eof_token = ')'; | |
6313 | parse_string (string, "command substitution", sflags, &ep); | |
6314 | ||
ac50fbac | 6315 | shell_eof_token = orig_eof_token; |
3185942a JA |
6316 | restore_parser_state (&ps); |
6317 | reset_parser (); | |
509a4430 CR |
6318 | /* reset_parser clears shell_input_line and associated variables */ |
6319 | restore_input_line_state (&ls); | |
3185942a JA |
6320 | if (interactive) |
6321 | token_to_read = 0; | |
6322 | ||
6323 | /* Need to find how many characters parse_and_execute consumed, update | |
6324 | *indp, if flags != 0, copy the portion of the string parsed into RET | |
6325 | and return it. If flags & 1 (EX_NOALLOC) we can return NULL. */ | |
6326 | ||
6327 | /*(*/ | |
6328 | if (ep[-1] != ')') | |
6329 | { | |
6330 | #if DEBUG | |
6331 | if (ep[-1] != '\n') | |
6332 | itrace("xparse_dolparen:%d: ep[-1] != RPAREN (%d), ep = `%s'", line_number, ep[-1], ep); | |
6333 | #endif | |
6334 | while (ep > ostring && ep[-1] == '\n') ep--; | |
6335 | } | |
6336 | ||
6337 | nc = ep - ostring; | |
6338 | *indp = ep - base - 1; | |
6339 | ||
6340 | /*(*/ | |
6341 | #if DEBUG | |
6342 | if (base[*indp] != ')') | |
6343 | itrace("xparse_dolparen:%d: base[%d] != RPAREN (%d), base = `%s'", line_number, *indp, base[*indp], base); | |
6344 | #endif | |
6345 | ||
6346 | if (flags & SX_NOALLOC) | |
6347 | return (char *)NULL; | |
6348 | ||
6349 | if (nc == 0) | |
6350 | { | |
6351 | ret = xmalloc (1); | |
6352 | ret[0] = '\0'; | |
6353 | } | |
6354 | else | |
6355 | ret = substring (ostring, 0, nc - 1); | |
6356 | ||
28ef6c31 JA |
6357 | return ret; |
6358 | } | |
726f6388 | 6359 | |
28ef6c31 | 6360 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
7117c2d2 JA |
6361 | /* Parse a double-paren construct. It can be either an arithmetic |
6362 | command, an arithmetic `for' command, or a nested subshell. Returns | |
6363 | the parsed token, -1 on error, or -2 if we didn't do anything and | |
6364 | should just go on. */ | |
6365 | static int | |
6366 | parse_dparen (c) | |
6367 | int c; | |
6368 | { | |
0628567a JA |
6369 | int cmdtyp, sline; |
6370 | char *wval; | |
7117c2d2 JA |
6371 | WORD_DESC *wd; |
6372 | ||
6373 | #if defined (ARITH_FOR_COMMAND) | |
6374 | if (last_read_token == FOR) | |
6375 | { | |
6376 | arith_for_lineno = line_number; | |
b80f6443 | 6377 | cmdtyp = parse_arith_cmd (&wval, 0); |
7117c2d2 JA |
6378 | if (cmdtyp == 1) |
6379 | { | |
95732b49 JA |
6380 | wd = alloc_word_desc (); |
6381 | wd->word = wval; | |
7117c2d2 | 6382 | yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL); |
7117c2d2 JA |
6383 | return (ARITH_FOR_EXPRS); |
6384 | } | |
6385 | else | |
6386 | return -1; /* ERROR */ | |
6387 | } | |
6388 | #endif | |
6389 | ||
6390 | #if defined (DPAREN_ARITHMETIC) | |
6391 | if (reserved_word_acceptable (last_read_token)) | |
6392 | { | |
6393 | sline = line_number; | |
95732b49 | 6394 | |
b80f6443 | 6395 | cmdtyp = parse_arith_cmd (&wval, 0); |
7117c2d2 JA |
6396 | if (cmdtyp == 1) /* arithmetic command */ |
6397 | { | |
95732b49 JA |
6398 | wd = alloc_word_desc (); |
6399 | wd->word = wval; | |
6400 | wd->flags = W_QUOTED|W_NOSPLIT|W_NOGLOB|W_DQUOTE; | |
7117c2d2 | 6401 | yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL); |
7117c2d2 JA |
6402 | return (ARITH_CMD); |
6403 | } | |
6404 | else if (cmdtyp == 0) /* nested subshell */ | |
6405 | { | |
6406 | push_string (wval, 0, (alias_t *)NULL); | |
ac50fbac | 6407 | pushed_string_list->flags = PSH_DPAREN; |
7117c2d2 JA |
6408 | if ((parser_state & PST_CASEPAT) == 0) |
6409 | parser_state |= PST_SUBSHELL; | |
6410 | return (c); | |
6411 | } | |
6412 | else /* ERROR */ | |
6413 | return -1; | |
6414 | } | |
6415 | #endif | |
6416 | ||
6417 | return -2; /* XXX */ | |
6418 | } | |
6419 | ||
28ef6c31 JA |
6420 | /* We've seen a `(('. Look for the matching `))'. If we get it, return 1. |
6421 | If not, assume it's a nested subshell for backwards compatibility and | |
6422 | return 0. In any case, put the characters we've consumed into a locally- | |
6423 | allocated buffer and make *ep point to that buffer. Return -1 on an | |
6424 | error, for example EOF. */ | |
6425 | static int | |
b80f6443 | 6426 | parse_arith_cmd (ep, adddq) |
28ef6c31 | 6427 | char **ep; |
b80f6443 | 6428 | int adddq; |
28ef6c31 JA |
6429 | { |
6430 | int exp_lineno, rval, c; | |
f73dda09 | 6431 | char *ttok, *tokstr; |
28ef6c31 | 6432 | int ttoklen; |
726f6388 | 6433 | |
28ef6c31 JA |
6434 | exp_lineno = line_number; |
6435 | ttok = parse_matched_pair (0, '(', ')', &ttoklen, 0); | |
6436 | rval = 1; | |
6437 | if (ttok == &matched_pair_error) | |
6438 | return -1; | |
6439 | /* Check that the next character is the closing right paren. If | |
6440 | not, this is a syntax error. ( */ | |
7117c2d2 JA |
6441 | c = shell_getc (0); |
6442 | if MBTEST(c != ')') | |
28ef6c31 JA |
6443 | rval = 0; |
6444 | ||
f73dda09 | 6445 | tokstr = (char *)xmalloc (ttoklen + 4); |
28ef6c31 | 6446 | |
b80f6443 JA |
6447 | /* if ADDDQ != 0 then (( ... )) -> "..." */ |
6448 | if (rval == 1 && adddq) /* arith cmd, add double quotes */ | |
726f6388 | 6449 | { |
b80f6443 JA |
6450 | tokstr[0] = '"'; |
6451 | strncpy (tokstr + 1, ttok, ttoklen - 1); | |
f73dda09 JA |
6452 | tokstr[ttoklen] = '"'; |
6453 | tokstr[ttoklen+1] = '\0'; | |
726f6388 | 6454 | } |
b80f6443 JA |
6455 | else if (rval == 1) /* arith cmd, don't add double quotes */ |
6456 | { | |
6457 | strncpy (tokstr, ttok, ttoklen - 1); | |
6458 | tokstr[ttoklen-1] = '\0'; | |
6459 | } | |
6460 | else /* nested subshell */ | |
726f6388 | 6461 | { |
b80f6443 JA |
6462 | tokstr[0] = '('; |
6463 | strncpy (tokstr + 1, ttok, ttoklen - 1); | |
f73dda09 JA |
6464 | tokstr[ttoklen] = ')'; |
6465 | tokstr[ttoklen+1] = c; | |
6466 | tokstr[ttoklen+2] = '\0'; | |
726f6388 | 6467 | } |
b80f6443 | 6468 | |
f73dda09 | 6469 | *ep = tokstr; |
28ef6c31 JA |
6470 | FREE (ttok); |
6471 | return rval; | |
726f6388 | 6472 | } |
28ef6c31 | 6473 | #endif /* DPAREN_ARITHMETIC || ARITH_FOR_COMMAND */ |
726f6388 | 6474 | |
28ef6c31 | 6475 | #if defined (COND_COMMAND) |
7117c2d2 JA |
6476 | static void |
6477 | cond_error () | |
6478 | { | |
6479 | char *etext; | |
6480 | ||
6481 | if (EOF_Reached && cond_token != COND_ERROR) /* [[ */ | |
b80f6443 | 6482 | parser_error (cond_lineno, _("unexpected EOF while looking for `]]'")); |
7117c2d2 JA |
6483 | else if (cond_token != COND_ERROR) |
6484 | { | |
6485 | if (etext = error_token_from_token (cond_token)) | |
6486 | { | |
b80f6443 | 6487 | parser_error (cond_lineno, _("syntax error in conditional expression: unexpected token `%s'"), etext); |
7117c2d2 JA |
6488 | free (etext); |
6489 | } | |
6490 | else | |
b80f6443 | 6491 | parser_error (cond_lineno, _("syntax error in conditional expression")); |
7117c2d2 JA |
6492 | } |
6493 | } | |
6494 | ||
28ef6c31 JA |
6495 | static COND_COM * |
6496 | cond_expr () | |
ccc6cda3 | 6497 | { |
28ef6c31 | 6498 | return (cond_or ()); |
ccc6cda3 JA |
6499 | } |
6500 | ||
28ef6c31 JA |
6501 | static COND_COM * |
6502 | cond_or () | |
726f6388 | 6503 | { |
28ef6c31 | 6504 | COND_COM *l, *r; |
726f6388 | 6505 | |
28ef6c31 JA |
6506 | l = cond_and (); |
6507 | if (cond_token == OR_OR) | |
6508 | { | |
6509 | r = cond_or (); | |
6510 | l = make_cond_node (COND_OR, (WORD_DESC *)NULL, l, r); | |
6511 | } | |
6512 | return l; | |
726f6388 | 6513 | } |
726f6388 | 6514 | |
28ef6c31 JA |
6515 | static COND_COM * |
6516 | cond_and () | |
726f6388 | 6517 | { |
28ef6c31 | 6518 | COND_COM *l, *r; |
726f6388 | 6519 | |
28ef6c31 JA |
6520 | l = cond_term (); |
6521 | if (cond_token == AND_AND) | |
6522 | { | |
6523 | r = cond_and (); | |
6524 | l = make_cond_node (COND_AND, (WORD_DESC *)NULL, l, r); | |
6525 | } | |
6526 | return l; | |
726f6388 JA |
6527 | } |
6528 | ||
ccc6cda3 | 6529 | static int |
28ef6c31 | 6530 | cond_skip_newlines () |
726f6388 | 6531 | { |
28ef6c31 | 6532 | while ((cond_token = read_token (READ)) == '\n') |
726f6388 | 6533 | { |
b80f6443 | 6534 | if (SHOULD_PROMPT ()) |
726f6388 JA |
6535 | prompt_again (); |
6536 | } | |
28ef6c31 | 6537 | return (cond_token); |
726f6388 JA |
6538 | } |
6539 | ||
28ef6c31 JA |
6540 | #define COND_RETURN_ERROR() \ |
6541 | do { cond_token = COND_ERROR; return ((COND_COM *)NULL); } while (0) | |
726f6388 | 6542 | |
28ef6c31 JA |
6543 | static COND_COM * |
6544 | cond_term () | |
726f6388 | 6545 | { |
28ef6c31 JA |
6546 | WORD_DESC *op; |
6547 | COND_COM *term, *tleft, *tright; | |
6548 | int tok, lineno; | |
7117c2d2 | 6549 | char *etext; |
28ef6c31 JA |
6550 | |
6551 | /* Read a token. It can be a left paren, a `!', a unary operator, or a | |
6552 | word that should be the first argument of a binary operator. Start by | |
6553 | skipping newlines, since this is a compound command. */ | |
6554 | tok = cond_skip_newlines (); | |
6555 | lineno = line_number; | |
6556 | if (tok == COND_END) | |
726f6388 | 6557 | { |
28ef6c31 | 6558 | COND_RETURN_ERROR (); |
726f6388 | 6559 | } |
28ef6c31 JA |
6560 | else if (tok == '(') |
6561 | { | |
6562 | term = cond_expr (); | |
6563 | if (cond_token != ')') | |
6564 | { | |
6565 | if (term) | |
6566 | dispose_cond_node (term); /* ( */ | |
7117c2d2 JA |
6567 | if (etext = error_token_from_token (cond_token)) |
6568 | { | |
b80f6443 | 6569 | parser_error (lineno, _("unexpected token `%s', expected `)'"), etext); |
7117c2d2 JA |
6570 | free (etext); |
6571 | } | |
6572 | else | |
b80f6443 | 6573 | parser_error (lineno, _("expected `)'")); |
28ef6c31 JA |
6574 | COND_RETURN_ERROR (); |
6575 | } | |
6576 | term = make_cond_node (COND_EXPR, (WORD_DESC *)NULL, term, (COND_COM *)NULL); | |
6577 | (void)cond_skip_newlines (); | |
6578 | } | |
6579 | else if (tok == BANG || (tok == WORD && (yylval.word->word[0] == '!' && yylval.word->word[1] == '\0'))) | |
6580 | { | |
6581 | if (tok == WORD) | |
6582 | dispose_word (yylval.word); /* not needed */ | |
6583 | term = cond_term (); | |
6584 | if (term) | |
6585 | term->flags |= CMD_INVERT_RETURN; | |
6586 | } | |
3185942a | 6587 | else if (tok == WORD && yylval.word->word[0] == '-' && yylval.word->word[2] == 0 && test_unop (yylval.word->word)) |
28ef6c31 JA |
6588 | { |
6589 | op = yylval.word; | |
6590 | tok = read_token (READ); | |
6591 | if (tok == WORD) | |
6592 | { | |
6593 | tleft = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL); | |
6594 | term = make_cond_node (COND_UNARY, op, tleft, (COND_COM *)NULL); | |
6595 | } | |
6596 | else | |
6597 | { | |
6598 | dispose_word (op); | |
7117c2d2 JA |
6599 | if (etext = error_token_from_token (tok)) |
6600 | { | |
b80f6443 | 6601 | parser_error (line_number, _("unexpected argument `%s' to conditional unary operator"), etext); |
7117c2d2 JA |
6602 | free (etext); |
6603 | } | |
6604 | else | |
b80f6443 | 6605 | parser_error (line_number, _("unexpected argument to conditional unary operator")); |
28ef6c31 JA |
6606 | COND_RETURN_ERROR (); |
6607 | } | |
726f6388 | 6608 | |
28ef6c31 JA |
6609 | (void)cond_skip_newlines (); |
6610 | } | |
6611 | else if (tok == WORD) /* left argument to binary operator */ | |
6612 | { | |
6613 | /* lhs */ | |
6614 | tleft = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL); | |
726f6388 | 6615 | |
28ef6c31 JA |
6616 | /* binop */ |
6617 | tok = read_token (READ); | |
6618 | if (tok == WORD && test_binop (yylval.word->word)) | |
0001803f CR |
6619 | { |
6620 | op = yylval.word; | |
6621 | if (op->word[0] == '=' && (op->word[1] == '\0' || (op->word[1] == '=' && op->word[2] == '\0'))) | |
6622 | parser_state |= PST_EXTPAT; | |
6623 | else if (op->word[0] == '!' && op->word[1] == '=' && op->word[2] == '\0') | |
6624 | parser_state |= PST_EXTPAT; | |
6625 | } | |
b80f6443 | 6626 | #if defined (COND_REGEXP) |
3185942a JA |
6627 | else if (tok == WORD && STREQ (yylval.word->word, "=~")) |
6628 | { | |
6629 | op = yylval.word; | |
6630 | parser_state |= PST_REGEXP; | |
6631 | } | |
b80f6443 | 6632 | #endif |
28ef6c31 JA |
6633 | else if (tok == '<' || tok == '>') |
6634 | op = make_word_from_token (tok); /* ( */ | |
6635 | /* There should be a check before blindly accepting the `)' that we have | |
6636 | seen the opening `('. */ | |
6637 | else if (tok == COND_END || tok == AND_AND || tok == OR_OR || tok == ')') | |
6638 | { | |
6639 | /* Special case. [[ x ]] is equivalent to [[ -n x ]], just like | |
6640 | the test command. Similarly for [[ x && expr ]] or | |
6641 | [[ x || expr ]] or [[ (x) ]]. */ | |
6642 | op = make_word ("-n"); | |
6643 | term = make_cond_node (COND_UNARY, op, tleft, (COND_COM *)NULL); | |
6644 | cond_token = tok; | |
6645 | return (term); | |
6646 | } | |
6647 | else | |
6648 | { | |
7117c2d2 JA |
6649 | if (etext = error_token_from_token (tok)) |
6650 | { | |
b80f6443 | 6651 | parser_error (line_number, _("unexpected token `%s', conditional binary operator expected"), etext); |
7117c2d2 JA |
6652 | free (etext); |
6653 | } | |
6654 | else | |
b80f6443 | 6655 | parser_error (line_number, _("conditional binary operator expected")); |
28ef6c31 JA |
6656 | dispose_cond_node (tleft); |
6657 | COND_RETURN_ERROR (); | |
6658 | } | |
726f6388 | 6659 | |
28ef6c31 | 6660 | /* rhs */ |
0001803f CR |
6661 | if (parser_state & PST_EXTPAT) |
6662 | extended_glob = 1; | |
28ef6c31 | 6663 | tok = read_token (READ); |
0001803f CR |
6664 | if (parser_state & PST_EXTPAT) |
6665 | extended_glob = global_extglob; | |
6666 | parser_state &= ~(PST_REGEXP|PST_EXTPAT); | |
6667 | ||
28ef6c31 JA |
6668 | if (tok == WORD) |
6669 | { | |
6670 | tright = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL); | |
6671 | term = make_cond_node (COND_BINARY, op, tleft, tright); | |
6672 | } | |
6673 | else | |
6674 | { | |
7117c2d2 JA |
6675 | if (etext = error_token_from_token (tok)) |
6676 | { | |
b80f6443 | 6677 | parser_error (line_number, _("unexpected argument `%s' to conditional binary operator"), etext); |
7117c2d2 JA |
6678 | free (etext); |
6679 | } | |
6680 | else | |
b80f6443 | 6681 | parser_error (line_number, _("unexpected argument to conditional binary operator")); |
28ef6c31 JA |
6682 | dispose_cond_node (tleft); |
6683 | dispose_word (op); | |
6684 | COND_RETURN_ERROR (); | |
6685 | } | |
726f6388 | 6686 | |
28ef6c31 JA |
6687 | (void)cond_skip_newlines (); |
6688 | } | |
6689 | else | |
6690 | { | |
6691 | if (tok < 256) | |
b80f6443 | 6692 | parser_error (line_number, _("unexpected token `%c' in conditional command"), tok); |
7117c2d2 JA |
6693 | else if (etext = error_token_from_token (tok)) |
6694 | { | |
b80f6443 | 6695 | parser_error (line_number, _("unexpected token `%s' in conditional command"), etext); |
7117c2d2 JA |
6696 | free (etext); |
6697 | } | |
28ef6c31 | 6698 | else |
b80f6443 | 6699 | parser_error (line_number, _("unexpected token %d in conditional command"), tok); |
28ef6c31 JA |
6700 | COND_RETURN_ERROR (); |
6701 | } | |
6702 | return (term); | |
6703 | } | |
ccc6cda3 | 6704 | |
28ef6c31 JA |
6705 | /* This is kind of bogus -- we slip a mini recursive-descent parser in |
6706 | here to handle the conditional statement syntax. */ | |
6707 | static COMMAND * | |
6708 | parse_cond_command () | |
6709 | { | |
6710 | COND_COM *cexp; | |
ccc6cda3 | 6711 | |
0001803f | 6712 | global_extglob = extended_glob; |
28ef6c31 JA |
6713 | cexp = cond_expr (); |
6714 | return (make_cond_command (cexp)); | |
6715 | } | |
6716 | #endif | |
ccc6cda3 | 6717 | |
7117c2d2 JA |
6718 | #if defined (ARRAY_VARS) |
6719 | /* When this is called, it's guaranteed that we don't care about anything | |
6720 | in t beyond i. We do save and restore the chars, though. */ | |
6721 | static int | |
6722 | token_is_assignment (t, i) | |
6723 | char *t; | |
6724 | int i; | |
6725 | { | |
6726 | unsigned char c, c1; | |
6727 | int r; | |
6728 | ||
6729 | c = t[i]; c1 = t[i+1]; | |
6730 | t[i] = '='; t[i+1] = '\0'; | |
b80f6443 | 6731 | r = assignment (t, (parser_state & PST_COMPASSIGN) != 0); |
7117c2d2 JA |
6732 | t[i] = c; t[i+1] = c1; |
6733 | return r; | |
6734 | } | |
6735 | ||
95732b49 | 6736 | /* XXX - possible changes here for `+=' */ |
7117c2d2 JA |
6737 | static int |
6738 | token_is_ident (t, i) | |
6739 | char *t; | |
6740 | int i; | |
6741 | { | |
6742 | unsigned char c; | |
6743 | int r; | |
6744 | ||
6745 | c = t[i]; | |
6746 | t[i] = '\0'; | |
6747 | r = legal_identifier (t); | |
6748 | t[i] = c; | |
6749 | return r; | |
6750 | } | |
6751 | #endif | |
6752 | ||
726f6388 | 6753 | static int |
28ef6c31 JA |
6754 | read_token_word (character) |
6755 | int character; | |
726f6388 | 6756 | { |
28ef6c31 JA |
6757 | /* The value for YYLVAL when a WORD is read. */ |
6758 | WORD_DESC *the_word; | |
726f6388 | 6759 | |
28ef6c31 JA |
6760 | /* Index into the token that we are building. */ |
6761 | int token_index; | |
ccc6cda3 | 6762 | |
28ef6c31 | 6763 | /* ALL_DIGITS becomes zero when we see a non-digit. */ |
f73dda09 | 6764 | int all_digit_token; |
ccc6cda3 | 6765 | |
28ef6c31 JA |
6766 | /* DOLLAR_PRESENT becomes non-zero if we see a `$'. */ |
6767 | int dollar_present; | |
cce855bc | 6768 | |
95732b49 JA |
6769 | /* COMPOUND_ASSIGNMENT becomes non-zero if we are parsing a compound |
6770 | assignment. */ | |
6771 | int compound_assignment; | |
6772 | ||
28ef6c31 JA |
6773 | /* QUOTED becomes non-zero if we see one of ("), ('), (`), or (\). */ |
6774 | int quoted; | |
cce855bc | 6775 | |
28ef6c31 JA |
6776 | /* Non-zero means to ignore the value of the next character, and just |
6777 | to add it no matter what. */ | |
6778 | int pass_next_character; | |
cce855bc | 6779 | |
28ef6c31 JA |
6780 | /* The current delimiting character. */ |
6781 | int cd; | |
6782 | int result, peek_char; | |
6783 | char *ttok, *ttrans; | |
6784 | int ttoklen, ttranslen; | |
7117c2d2 | 6785 | intmax_t lvalue; |
ccc6cda3 | 6786 | |
28ef6c31 | 6787 | if (token_buffer_size < TOKEN_DEFAULT_INITIAL_SIZE) |
f73dda09 | 6788 | token = (char *)xrealloc (token, token_buffer_size = TOKEN_DEFAULT_INITIAL_SIZE); |
726f6388 | 6789 | |
28ef6c31 | 6790 | token_index = 0; |
f73dda09 | 6791 | all_digit_token = DIGIT (character); |
95732b49 | 6792 | dollar_present = quoted = pass_next_character = compound_assignment = 0; |
ccc6cda3 | 6793 | |
28ef6c31 | 6794 | for (;;) |
ccc6cda3 | 6795 | { |
28ef6c31 JA |
6796 | if (character == EOF) |
6797 | goto got_token; | |
726f6388 | 6798 | |
28ef6c31 | 6799 | if (pass_next_character) |
726f6388 | 6800 | { |
28ef6c31 | 6801 | pass_next_character = 0; |
3185942a | 6802 | goto got_escaped_character; |
726f6388 | 6803 | } |
726f6388 | 6804 | |
28ef6c31 | 6805 | cd = current_delimiter (dstack); |
ccc6cda3 | 6806 | |
28ef6c31 JA |
6807 | /* Handle backslashes. Quote lots of things when not inside of |
6808 | double-quotes, quote some things inside of double-quotes. */ | |
7117c2d2 | 6809 | if MBTEST(character == '\\') |
28ef6c31 JA |
6810 | { |
6811 | peek_char = shell_getc (0); | |
ccc6cda3 | 6812 | |
28ef6c31 JA |
6813 | /* Backslash-newline is ignored in all cases except |
6814 | when quoted with single quotes. */ | |
6815 | if (peek_char == '\n') | |
6816 | { | |
6817 | character = '\n'; | |
6818 | goto next_character; | |
6819 | } | |
6820 | else | |
6821 | { | |
6822 | shell_ungetc (peek_char); | |
ccc6cda3 | 6823 | |
28ef6c31 JA |
6824 | /* If the next character is to be quoted, note it now. */ |
6825 | if (cd == 0 || cd == '`' || | |
f73dda09 | 6826 | (cd == '"' && peek_char >= 0 && (sh_syntaxtab[peek_char] & CBSDQUOTE))) |
28ef6c31 | 6827 | pass_next_character++; |
ccc6cda3 | 6828 | |
28ef6c31 JA |
6829 | quoted = 1; |
6830 | goto got_character; | |
6831 | } | |
6832 | } | |
726f6388 | 6833 | |
28ef6c31 | 6834 | /* Parse a matched pair of quote characters. */ |
7117c2d2 | 6835 | if MBTEST(shellquote (character)) |
d166f048 | 6836 | { |
28ef6c31 | 6837 | push_delimiter (dstack, character); |
95732b49 | 6838 | ttok = parse_matched_pair (character, character, character, &ttoklen, (character == '`') ? P_COMMAND : 0); |
28ef6c31 JA |
6839 | pop_delimiter (dstack); |
6840 | if (ttok == &matched_pair_error) | |
6841 | return -1; /* Bail immediately. */ | |
6842 | RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2, | |
6843 | token_buffer_size, TOKEN_DEFAULT_GROW_SIZE); | |
6844 | token[token_index++] = character; | |
6845 | strcpy (token + token_index, ttok); | |
6846 | token_index += ttoklen; | |
f73dda09 | 6847 | all_digit_token = 0; |
28ef6c31 JA |
6848 | quoted = 1; |
6849 | dollar_present |= (character == '"' && strchr (ttok, '$') != 0); | |
6850 | FREE (ttok); | |
6851 | goto next_character; | |
d166f048 | 6852 | } |
726f6388 | 6853 | |
3185942a JA |
6854 | #ifdef COND_REGEXP |
6855 | /* When parsing a regexp as a single word inside a conditional command, | |
6856 | we need to special-case characters special to both the shell and | |
6857 | regular expressions. Right now, that is only '(' and '|'. */ /*)*/ | |
6858 | if MBTEST((parser_state & PST_REGEXP) && (character == '(' || character == '|')) /*)*/ | |
6859 | { | |
6860 | if (character == '|') | |
6861 | goto got_character; | |
6862 | ||
6863 | push_delimiter (dstack, character); | |
6864 | ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0); | |
6865 | pop_delimiter (dstack); | |
6866 | if (ttok == &matched_pair_error) | |
6867 | return -1; /* Bail immediately. */ | |
6868 | RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2, | |
6869 | token_buffer_size, TOKEN_DEFAULT_GROW_SIZE); | |
6870 | token[token_index++] = character; | |
6871 | strcpy (token + token_index, ttok); | |
6872 | token_index += ttoklen; | |
6873 | FREE (ttok); | |
6874 | dollar_present = all_digit_token = 0; | |
6875 | goto next_character; | |
6876 | } | |
6877 | #endif /* COND_REGEXP */ | |
6878 | ||
28ef6c31 JA |
6879 | #ifdef EXTENDED_GLOB |
6880 | /* Parse a ksh-style extended pattern matching specification. */ | |
3185942a | 6881 | if MBTEST(extended_glob && PATTERN_CHAR (character)) |
cce855bc | 6882 | { |
28ef6c31 | 6883 | peek_char = shell_getc (1); |
7117c2d2 | 6884 | if MBTEST(peek_char == '(') /* ) */ |
28ef6c31 JA |
6885 | { |
6886 | push_delimiter (dstack, peek_char); | |
6887 | ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0); | |
6888 | pop_delimiter (dstack); | |
6889 | if (ttok == &matched_pair_error) | |
6890 | return -1; /* Bail immediately. */ | |
ac50fbac | 6891 | RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 3, |
28ef6c31 JA |
6892 | token_buffer_size, |
6893 | TOKEN_DEFAULT_GROW_SIZE); | |
6894 | token[token_index++] = character; | |
6895 | token[token_index++] = peek_char; | |
6896 | strcpy (token + token_index, ttok); | |
6897 | token_index += ttoklen; | |
6898 | FREE (ttok); | |
f73dda09 | 6899 | dollar_present = all_digit_token = 0; |
28ef6c31 JA |
6900 | goto next_character; |
6901 | } | |
6902 | else | |
6903 | shell_ungetc (peek_char); | |
6904 | } | |
6905 | #endif /* EXTENDED_GLOB */ | |
726f6388 | 6906 | |
28ef6c31 JA |
6907 | /* If the delimiter character is not single quote, parse some of |
6908 | the shell expansions that must be read as a single word. */ | |
6909 | if (shellexp (character)) | |
6910 | { | |
6911 | peek_char = shell_getc (1); | |
6912 | /* $(...), <(...), >(...), $((...)), ${...}, and $[...] constructs */ | |
ac50fbac | 6913 | if MBTEST(peek_char == '(' || |
28ef6c31 JA |
6914 | ((peek_char == '{' || peek_char == '[') && character == '$')) /* ) ] } */ |
6915 | { | |
6916 | if (peek_char == '{') /* } */ | |
495aee44 | 6917 | ttok = parse_matched_pair (cd, '{', '}', &ttoklen, P_FIRSTCLOSE|P_DOLBRACE); |
28ef6c31 JA |
6918 | else if (peek_char == '(') /* ) */ |
6919 | { | |
6920 | /* XXX - push and pop the `(' as a delimiter for use by | |
6921 | the command-oriented-history code. This way newlines | |
6922 | appearing in the $(...) string get added to the | |
6923 | history literally rather than causing a possibly- | |
6924 | incorrect `;' to be added. ) */ | |
6925 | push_delimiter (dstack, peek_char); | |
3185942a | 6926 | ttok = parse_comsub (cd, '(', ')', &ttoklen, P_COMMAND); |
28ef6c31 JA |
6927 | pop_delimiter (dstack); |
6928 | } | |
6929 | else | |
6930 | ttok = parse_matched_pair (cd, '[', ']', &ttoklen, 0); | |
6931 | if (ttok == &matched_pair_error) | |
6932 | return -1; /* Bail immediately. */ | |
ac50fbac | 6933 | RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 3, |
28ef6c31 JA |
6934 | token_buffer_size, |
6935 | TOKEN_DEFAULT_GROW_SIZE); | |
6936 | token[token_index++] = character; | |
6937 | token[token_index++] = peek_char; | |
6938 | strcpy (token + token_index, ttok); | |
6939 | token_index += ttoklen; | |
6940 | FREE (ttok); | |
6941 | dollar_present = 1; | |
f73dda09 | 6942 | all_digit_token = 0; |
28ef6c31 JA |
6943 | goto next_character; |
6944 | } | |
6945 | /* This handles $'...' and $"..." new-style quoted strings. */ | |
7117c2d2 | 6946 | else if MBTEST(character == '$' && (peek_char == '\'' || peek_char == '"')) |
28ef6c31 JA |
6947 | { |
6948 | int first_line; | |
726f6388 | 6949 | |
28ef6c31 JA |
6950 | first_line = line_number; |
6951 | push_delimiter (dstack, peek_char); | |
6952 | ttok = parse_matched_pair (peek_char, peek_char, peek_char, | |
6953 | &ttoklen, | |
6954 | (peek_char == '\'') ? P_ALLOWESC : 0); | |
6955 | pop_delimiter (dstack); | |
6956 | if (ttok == &matched_pair_error) | |
6957 | return -1; | |
6958 | if (peek_char == '\'') | |
6959 | { | |
6960 | ttrans = ansiexpand (ttok, 0, ttoklen - 1, &ttranslen); | |
6961 | free (ttok); | |
95732b49 | 6962 | |
28ef6c31 JA |
6963 | /* Insert the single quotes and correctly quote any |
6964 | embedded single quotes (allowed because P_ALLOWESC was | |
6965 | passed to parse_matched_pair). */ | |
6966 | ttok = sh_single_quote (ttrans); | |
6967 | free (ttrans); | |
95732b49 | 6968 | ttranslen = strlen (ttok); |
28ef6c31 | 6969 | ttrans = ttok; |
28ef6c31 JA |
6970 | } |
6971 | else | |
6972 | { | |
0628567a | 6973 | /* Try to locale-expand the converted string. */ |
28ef6c31 JA |
6974 | ttrans = localeexpand (ttok, 0, ttoklen - 1, first_line, &ttranslen); |
6975 | free (ttok); | |
726f6388 | 6976 | |
28ef6c31 | 6977 | /* Add the double quotes back */ |
95732b49 | 6978 | ttok = sh_mkdoublequoted (ttrans, ttranslen, 0); |
28ef6c31 | 6979 | free (ttrans); |
95732b49 | 6980 | ttranslen += 2; |
28ef6c31 JA |
6981 | ttrans = ttok; |
6982 | } | |
726f6388 | 6983 | |
ac50fbac | 6984 | RESIZE_MALLOCED_BUFFER (token, token_index, ttranslen + 1, |
f73dda09 JA |
6985 | token_buffer_size, |
6986 | TOKEN_DEFAULT_GROW_SIZE); | |
6987 | strcpy (token + token_index, ttrans); | |
6988 | token_index += ttranslen; | |
6989 | FREE (ttrans); | |
6990 | quoted = 1; | |
6991 | all_digit_token = 0; | |
6992 | goto next_character; | |
6993 | } | |
6994 | /* This could eventually be extended to recognize all of the | |
6995 | shell's single-character parameter expansions, and set flags.*/ | |
7117c2d2 | 6996 | else if MBTEST(character == '$' && peek_char == '$') |
f73dda09 | 6997 | { |
f73dda09 JA |
6998 | RESIZE_MALLOCED_BUFFER (token, token_index, 3, |
6999 | token_buffer_size, | |
7000 | TOKEN_DEFAULT_GROW_SIZE); | |
ac50fbac CR |
7001 | token[token_index++] = '$'; |
7002 | token[token_index++] = peek_char; | |
f73dda09 JA |
7003 | dollar_present = 1; |
7004 | all_digit_token = 0; | |
f73dda09 JA |
7005 | goto next_character; |
7006 | } | |
7007 | else | |
7008 | shell_ungetc (peek_char); | |
7009 | } | |
28ef6c31 | 7010 | |
f73dda09 | 7011 | #if defined (ARRAY_VARS) |
3185942a JA |
7012 | /* Identify possible array subscript assignment; match [...]. If |
7013 | parser_state&PST_COMPASSIGN, we need to parse [sub]=words treating | |
7014 | `sub' as if it were enclosed in double quotes. */ | |
7015 | else if MBTEST(character == '[' && /* ] */ | |
7016 | ((token_index > 0 && assignment_acceptable (last_read_token) && token_is_ident (token, token_index)) || | |
7017 | (token_index == 0 && (parser_state&PST_COMPASSIGN)))) | |
7117c2d2 | 7018 | { |
0001803f | 7019 | ttok = parse_matched_pair (cd, '[', ']', &ttoklen, P_ARRAYSUB); |
7117c2d2 JA |
7020 | if (ttok == &matched_pair_error) |
7021 | return -1; /* Bail immediately. */ | |
7022 | RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2, | |
7023 | token_buffer_size, | |
7024 | TOKEN_DEFAULT_GROW_SIZE); | |
7025 | token[token_index++] = character; | |
7026 | strcpy (token + token_index, ttok); | |
7027 | token_index += ttoklen; | |
7028 | FREE (ttok); | |
7029 | all_digit_token = 0; | |
7030 | goto next_character; | |
7031 | } | |
f73dda09 | 7032 | /* Identify possible compound array variable assignment. */ |
95732b49 | 7033 | else if MBTEST(character == '=' && token_index > 0 && (assignment_acceptable (last_read_token) || (parser_state & PST_ASSIGNOK)) && token_is_assignment (token, token_index)) |
ccc6cda3 | 7034 | { |
f73dda09 | 7035 | peek_char = shell_getc (1); |
7117c2d2 | 7036 | if MBTEST(peek_char == '(') /* ) */ |
f73dda09 | 7037 | { |
7117c2d2 JA |
7038 | ttok = parse_compound_assignment (&ttoklen); |
7039 | ||
7040 | RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 4, | |
f73dda09 JA |
7041 | token_buffer_size, |
7042 | TOKEN_DEFAULT_GROW_SIZE); | |
7117c2d2 JA |
7043 | |
7044 | token[token_index++] = '='; | |
7045 | token[token_index++] = '('; | |
7046 | if (ttok) | |
7047 | { | |
7048 | strcpy (token + token_index, ttok); | |
7049 | token_index += ttoklen; | |
7050 | } | |
7051 | token[token_index++] = ')'; | |
f73dda09 JA |
7052 | FREE (ttok); |
7053 | all_digit_token = 0; | |
95732b49 | 7054 | compound_assignment = 1; |
0628567a | 7055 | #if 1 |
f73dda09 | 7056 | goto next_character; |
95732b49 JA |
7057 | #else |
7058 | goto got_token; /* ksh93 seems to do this */ | |
7059 | #endif | |
f73dda09 JA |
7060 | } |
7061 | else | |
7062 | shell_ungetc (peek_char); | |
ccc6cda3 | 7063 | } |
f73dda09 | 7064 | #endif |
726f6388 | 7065 | |
f73dda09 JA |
7066 | /* When not parsing a multi-character word construct, shell meta- |
7067 | characters break words. */ | |
7117c2d2 | 7068 | if MBTEST(shellbreak (character)) |
f73dda09 JA |
7069 | { |
7070 | shell_ungetc (character); | |
7071 | goto got_token; | |
7072 | } | |
726f6388 | 7073 | |
ac50fbac | 7074 | got_character: |
726f6388 | 7075 | |
f73dda09 | 7076 | if (character == CTLESC || character == CTLNUL) |
ac50fbac CR |
7077 | { |
7078 | RESIZE_MALLOCED_BUFFER (token, token_index, 2, token_buffer_size, | |
7079 | TOKEN_DEFAULT_GROW_SIZE); | |
7080 | token[token_index++] = CTLESC; | |
7081 | } | |
7082 | else | |
7083 | got_escaped_character: | |
7084 | RESIZE_MALLOCED_BUFFER (token, token_index, 1, token_buffer_size, | |
7085 | TOKEN_DEFAULT_GROW_SIZE); | |
d166f048 | 7086 | |
ac50fbac | 7087 | token[token_index++] = character; |
3185942a JA |
7088 | |
7089 | all_digit_token &= DIGIT (character); | |
7090 | dollar_present |= character == '$'; | |
7091 | ||
f73dda09 | 7092 | next_character: |
b80f6443 | 7093 | if (character == '\n' && SHOULD_PROMPT ()) |
f73dda09 | 7094 | prompt_again (); |
cce855bc | 7095 | |
f73dda09 JA |
7096 | /* We want to remove quoted newlines (that is, a \<newline> pair) |
7097 | unless we are within single quotes or pass_next_character is | |
7098 | set (the shell equivalent of literal-next). */ | |
7099 | cd = current_delimiter (dstack); | |
7100 | character = shell_getc (cd != '\'' && pass_next_character == 0); | |
7101 | } /* end for (;;) */ | |
cce855bc | 7102 | |
f73dda09 | 7103 | got_token: |
cce855bc | 7104 | |
ac50fbac | 7105 | /* Calls to RESIZE_MALLOCED_BUFFER ensure there is sufficient room. */ |
f73dda09 | 7106 | token[token_index] = '\0'; |
28ef6c31 | 7107 | |
f73dda09 JA |
7108 | /* Check to see what thing we should return. If the last_read_token |
7109 | is a `<', or a `&', or the character which ended this token is | |
7110 | a '>' or '<', then, and ONLY then, is this input token a NUMBER. | |
7111 | Otherwise, it is just a word, and should be returned as such. */ | |
ac50fbac CR |
7112 | if MBTEST(all_digit_token && (character == '<' || character == '>' || |
7113 | last_read_token == LESS_AND || | |
f73dda09 JA |
7114 | last_read_token == GREATER_AND)) |
7115 | { | |
7116 | if (legal_number (token, &lvalue) && (int)lvalue == lvalue) | |
ac50fbac CR |
7117 | { |
7118 | yylval.number = lvalue; | |
7119 | return (NUMBER); | |
7120 | } | |
f73dda09 | 7121 | } |
cce855bc | 7122 | |
f73dda09 | 7123 | /* Check for special case tokens. */ |
7117c2d2 | 7124 | result = (last_shell_getc_is_singlebyte) ? special_case_tokens (token) : -1; |
f73dda09 JA |
7125 | if (result >= 0) |
7126 | return result; | |
cce855bc | 7127 | |
f73dda09 JA |
7128 | #if defined (ALIAS) |
7129 | /* Posix.2 does not allow reserved words to be aliased, so check for all | |
7130 | of them, including special cases, before expanding the current token | |
7131 | as an alias. */ | |
7117c2d2 | 7132 | if MBTEST(posixly_correct) |
f73dda09 | 7133 | CHECK_FOR_RESERVED_WORD (token); |
cce855bc | 7134 | |
f73dda09 JA |
7135 | /* Aliases are expanded iff EXPAND_ALIASES is non-zero, and quoting |
7136 | inhibits alias expansion. */ | |
7137 | if (expand_aliases && quoted == 0) | |
cce855bc | 7138 | { |
f73dda09 JA |
7139 | result = alias_expand_token (token); |
7140 | if (result == RE_READ_TOKEN) | |
7141 | return (RE_READ_TOKEN); | |
7142 | else if (result == NO_EXPANSION) | |
7143 | parser_state &= ~PST_ALEXPNEXT; | |
cce855bc | 7144 | } |
28ef6c31 | 7145 | |
f73dda09 JA |
7146 | /* If not in Posix.2 mode, check for reserved words after alias |
7147 | expansion. */ | |
7117c2d2 | 7148 | if MBTEST(posixly_correct == 0) |
f73dda09 JA |
7149 | #endif |
7150 | CHECK_FOR_RESERVED_WORD (token); | |
7151 | ||
7152 | the_word = (WORD_DESC *)xmalloc (sizeof (WORD_DESC)); | |
7153 | the_word->word = (char *)xmalloc (1 + token_index); | |
7154 | the_word->flags = 0; | |
7155 | strcpy (the_word->word, token); | |
7156 | if (dollar_present) | |
7157 | the_word->flags |= W_HASDOLLAR; | |
7158 | if (quoted) | |
0628567a JA |
7159 | the_word->flags |= W_QUOTED; /*(*/ |
7160 | if (compound_assignment && token[token_index-1] == ')') | |
95732b49 | 7161 | the_word->flags |= W_COMPASSIGN; |
f73dda09 JA |
7162 | /* A word is an assignment if it appears at the beginning of a |
7163 | simple command, or after another assignment word. This is | |
7164 | context-dependent, so it cannot be handled in the grammar. */ | |
b80f6443 | 7165 | if (assignment (token, (parser_state & PST_COMPASSIGN) != 0)) |
cce855bc | 7166 | { |
f73dda09 JA |
7167 | the_word->flags |= W_ASSIGNMENT; |
7168 | /* Don't perform word splitting on assignment statements. */ | |
b80f6443 | 7169 | if (assignment_acceptable (last_read_token) || (parser_state & PST_COMPASSIGN) != 0) |
ac50fbac CR |
7170 | { |
7171 | the_word->flags |= W_NOSPLIT; | |
7172 | if (parser_state & PST_COMPASSIGN) | |
7173 | the_word->flags |= W_NOGLOB; /* XXX - W_NOBRACE? */ | |
7174 | } | |
cce855bc | 7175 | } |
28ef6c31 | 7176 | |
95732b49 JA |
7177 | if (command_token_position (last_read_token)) |
7178 | { | |
7179 | struct builtin *b; | |
7180 | b = builtin_address_internal (token, 0); | |
7181 | if (b && (b->flags & ASSIGNMENT_BUILTIN)) | |
0628567a JA |
7182 | parser_state |= PST_ASSIGNOK; |
7183 | else if (STREQ (token, "eval") || STREQ (token, "let")) | |
7184 | parser_state |= PST_ASSIGNOK; | |
95732b49 JA |
7185 | } |
7186 | ||
f73dda09 JA |
7187 | yylval.word = the_word; |
7188 | ||
0001803f CR |
7189 | if (token[0] == '{' && token[token_index-1] == '}' && |
7190 | (character == '<' || character == '>')) | |
7191 | { | |
7192 | /* can use token; already copied to the_word */ | |
7193 | token[token_index-1] = '\0'; | |
ac50fbac CR |
7194 | #if defined (ARRAY_VARS) |
7195 | if (legal_identifier (token+1) || valid_array_reference (token+1)) | |
7196 | #else | |
0001803f | 7197 | if (legal_identifier (token+1)) |
ac50fbac | 7198 | #endif |
0001803f CR |
7199 | { |
7200 | strcpy (the_word->word, token+1); | |
7201 | /*itrace("read_token_word: returning REDIR_WORD for %s", the_word->word);*/ | |
7202 | return (REDIR_WORD); | |
7203 | } | |
7204 | } | |
7205 | ||
f73dda09 JA |
7206 | result = ((the_word->flags & (W_ASSIGNMENT|W_NOSPLIT)) == (W_ASSIGNMENT|W_NOSPLIT)) |
7207 | ? ASSIGNMENT_WORD : WORD; | |
7208 | ||
b80f6443 | 7209 | switch (last_read_token) |
cce855bc | 7210 | { |
b80f6443 | 7211 | case FUNCTION: |
f73dda09 JA |
7212 | parser_state |= PST_ALLOWOPNBRC; |
7213 | function_dstart = line_number; | |
b80f6443 JA |
7214 | break; |
7215 | case CASE: | |
7216 | case SELECT: | |
7217 | case FOR: | |
7218 | if (word_top < MAX_CASE_NEST) | |
7219 | word_top++; | |
7220 | word_lineno[word_top] = line_number; | |
7221 | break; | |
cce855bc | 7222 | } |
cce855bc | 7223 | |
f73dda09 | 7224 | return (result); |
28ef6c31 | 7225 | } |
cce855bc | 7226 | |
f73dda09 JA |
7227 | /* Return 1 if TOKSYM is a token that after being read would allow |
7228 | a reserved word to be seen, else 0. */ | |
7229 | static int | |
7230 | reserved_word_acceptable (toksym) | |
7231 | int toksym; | |
7232 | { | |
7117c2d2 JA |
7233 | switch (toksym) |
7234 | { | |
7235 | case '\n': | |
7236 | case ';': | |
7237 | case '(': | |
7238 | case ')': | |
7239 | case '|': | |
7240 | case '&': | |
7241 | case '{': | |
7242 | case '}': /* XXX */ | |
7243 | case AND_AND: | |
7244 | case BANG: | |
0001803f | 7245 | case BAR_AND: |
7117c2d2 JA |
7246 | case DO: |
7247 | case DONE: | |
7248 | case ELIF: | |
7249 | case ELSE: | |
7250 | case ESAC: | |
7251 | case FI: | |
7252 | case IF: | |
7253 | case OR_OR: | |
7254 | case SEMI_SEMI: | |
3185942a JA |
7255 | case SEMI_AND: |
7256 | case SEMI_SEMI_AND: | |
7117c2d2 JA |
7257 | case THEN: |
7258 | case TIME: | |
7259 | case TIMEOPT: | |
495aee44 | 7260 | case TIMEIGN: |
3185942a | 7261 | case COPROC: |
7117c2d2 JA |
7262 | case UNTIL: |
7263 | case WHILE: | |
7264 | case 0: | |
7265 | return 1; | |
7266 | default: | |
3185942a JA |
7267 | #if defined (COPROCESS_SUPPORT) |
7268 | if (last_read_token == WORD && token_before_that == COPROC) | |
7269 | return 1; | |
7270 | #endif | |
495aee44 CR |
7271 | if (last_read_token == WORD && token_before_that == FUNCTION) |
7272 | return 1; | |
7117c2d2 JA |
7273 | return 0; |
7274 | } | |
f73dda09 | 7275 | } |
7117c2d2 | 7276 | |
f73dda09 JA |
7277 | /* Return the index of TOKEN in the alist of reserved words, or -1 if |
7278 | TOKEN is not a shell reserved word. */ | |
7279 | int | |
7280 | find_reserved_word (tokstr) | |
7281 | char *tokstr; | |
7282 | { | |
7283 | int i; | |
7284 | for (i = 0; word_token_alist[i].word; i++) | |
7285 | if (STREQ (tokstr, word_token_alist[i].word)) | |
7286 | return i; | |
7287 | return -1; | |
7288 | } | |
ccc6cda3 | 7289 | |
ac50fbac CR |
7290 | /* An interface to let the rest of the shell (primarily the completion |
7291 | system) know what the parser is expecting. */ | |
7292 | int | |
7293 | parser_in_command_position () | |
7294 | { | |
7295 | return (command_token_position (last_read_token)); | |
7296 | } | |
7297 | ||
f73dda09 JA |
7298 | #if 0 |
7299 | #if defined (READLINE) | |
7300 | /* Called after each time readline is called. This insures that whatever | |
7301 | the new prompt string is gets propagated to readline's local prompt | |
7302 | variable. */ | |
7303 | static void | |
7304 | reset_readline_prompt () | |
7305 | { | |
7306 | char *temp_prompt; | |
726f6388 | 7307 | |
f73dda09 JA |
7308 | if (prompt_string_pointer) |
7309 | { | |
7310 | temp_prompt = (*prompt_string_pointer) | |
7311 | ? decode_prompt_string (*prompt_string_pointer) | |
7312 | : (char *)NULL; | |
726f6388 | 7313 | |
f73dda09 JA |
7314 | if (temp_prompt == 0) |
7315 | { | |
7316 | temp_prompt = (char *)xmalloc (1); | |
7317 | temp_prompt[0] = '\0'; | |
7318 | } | |
ccc6cda3 | 7319 | |
f73dda09 JA |
7320 | FREE (current_readline_prompt); |
7321 | current_readline_prompt = temp_prompt; | |
7322 | } | |
7323 | } | |
7324 | #endif /* READLINE */ | |
7325 | #endif /* 0 */ | |
726f6388 | 7326 | |
f73dda09 JA |
7327 | #if defined (HISTORY) |
7328 | /* A list of tokens which can be followed by newlines, but not by | |
7329 | semi-colons. When concatenating multiple lines of history, the | |
7330 | newline separator for such tokens is replaced with a space. */ | |
3185942a | 7331 | static const int no_semi_successors[] = { |
f73dda09 | 7332 | '\n', '{', '(', ')', ';', '&', '|', |
3185942a JA |
7333 | CASE, DO, ELSE, IF, SEMI_SEMI, SEMI_AND, SEMI_SEMI_AND, THEN, UNTIL, |
7334 | WHILE, AND_AND, OR_OR, IN, | |
f73dda09 JA |
7335 | 0 |
7336 | }; | |
ccc6cda3 | 7337 | |
f73dda09 JA |
7338 | /* If we are not within a delimited expression, try to be smart |
7339 | about which separators can be semi-colons and which must be | |
7340 | newlines. Returns the string that should be added into the | |
495aee44 CR |
7341 | history entry. LINE is the line we're about to add; it helps |
7342 | make some more intelligent decisions in certain cases. */ | |
f73dda09 | 7343 | char * |
495aee44 CR |
7344 | history_delimiting_chars (line) |
7345 | const char *line; | |
f73dda09 | 7346 | { |
495aee44 | 7347 | static int last_was_heredoc = 0; /* was the last entry the start of a here document? */ |
f73dda09 | 7348 | register int i; |
726f6388 | 7349 | |
495aee44 CR |
7350 | if ((parser_state & PST_HEREDOC) == 0) |
7351 | last_was_heredoc = 0; | |
7352 | ||
f73dda09 JA |
7353 | if (dstack.delimiter_depth != 0) |
7354 | return ("\n"); | |
3185942a JA |
7355 | |
7356 | /* We look for current_command_line_count == 2 because we are looking to | |
7357 | add the first line of the body of the here document (the second line | |
495aee44 CR |
7358 | of the command). We also keep LAST_WAS_HEREDOC as a private sentinel |
7359 | variable to note when we think we added the first line of a here doc | |
7360 | (the one with a "<<" somewhere in it) */ | |
3185942a | 7361 | if (parser_state & PST_HEREDOC) |
495aee44 CR |
7362 | { |
7363 | if (last_was_heredoc) | |
7364 | { | |
7365 | last_was_heredoc = 0; | |
7366 | return "\n"; | |
7367 | } | |
7368 | return (current_command_line_count == 2 ? "\n" : ""); | |
7369 | } | |
3185942a | 7370 | |
509a4430 CR |
7371 | if (parser_state & PST_COMPASSIGN) |
7372 | return (" "); | |
7373 | ||
f73dda09 JA |
7374 | /* First, handle some special cases. */ |
7375 | /*(*/ | |
7376 | /* If we just read `()', assume it's a function definition, and don't | |
7377 | add a semicolon. If the token before the `)' was not `(', and we're | |
7378 | not in the midst of parsing a case statement, assume it's a | |
7379 | parenthesized command and add the semicolon. */ | |
7380 | /*)(*/ | |
7381 | if (token_before_that == ')') | |
7382 | { | |
7383 | if (two_tokens_ago == '(') /*)*/ /* function def */ | |
7384 | return " "; | |
7385 | /* This does not work for subshells inside case statement | |
7386 | command lists. It's a suboptimal solution. */ | |
7387 | else if (parser_state & PST_CASESTMT) /* case statement pattern */ | |
7388 | return " "; | |
7389 | else | |
7390 | return "; "; /* (...) subshell */ | |
7391 | } | |
7392 | else if (token_before_that == WORD && two_tokens_ago == FUNCTION) | |
7393 | return " "; /* function def using `function name' without `()' */ | |
726f6388 | 7394 | |
495aee44 CR |
7395 | /* If we're not in a here document, but we think we're about to parse one, |
7396 | and we would otherwise return a `;', return a newline to delimit the | |
7397 | line with the here-doc delimiter */ | |
7398 | else if ((parser_state & PST_HEREDOC) == 0 && current_command_line_count > 1 && last_read_token == '\n' && strstr (line, "<<")) | |
7399 | { | |
7400 | last_was_heredoc = 1; | |
7401 | return "\n"; | |
7402 | } | |
7403 | ||
f73dda09 JA |
7404 | else if (token_before_that == WORD && two_tokens_ago == FOR) |
7405 | { | |
7406 | /* Tricky. `for i\nin ...' should not have a semicolon, but | |
7407 | `for i\ndo ...' should. We do what we can. */ | |
3185942a | 7408 | for (i = shell_input_line_index; whitespace (shell_input_line[i]); i++) |
f73dda09 JA |
7409 | ; |
7410 | if (shell_input_line[i] && shell_input_line[i] == 'i' && shell_input_line[i+1] == 'n') | |
7411 | return " "; | |
7412 | return ";"; | |
7413 | } | |
95732b49 JA |
7414 | else if (two_tokens_ago == CASE && token_before_that == WORD && (parser_state & PST_CASESTMT)) |
7415 | return " "; | |
726f6388 | 7416 | |
f73dda09 JA |
7417 | for (i = 0; no_semi_successors[i]; i++) |
7418 | { | |
7419 | if (token_before_that == no_semi_successors[i]) | |
7420 | return (" "); | |
7421 | } | |
726f6388 | 7422 | |
f73dda09 JA |
7423 | return ("; "); |
7424 | } | |
7425 | #endif /* HISTORY */ | |
ccc6cda3 | 7426 | |
f73dda09 JA |
7427 | /* Issue a prompt, or prepare to issue a prompt when the next character |
7428 | is read. */ | |
7429 | static void | |
7430 | prompt_again () | |
7431 | { | |
7432 | char *temp_prompt; | |
726f6388 | 7433 | |
0001803f | 7434 | if (interactive == 0 || expanding_alias ()) /* XXX */ |
f73dda09 | 7435 | return; |
726f6388 | 7436 | |
f73dda09 JA |
7437 | ps1_prompt = get_string_value ("PS1"); |
7438 | ps2_prompt = get_string_value ("PS2"); | |
28ef6c31 | 7439 | |
f73dda09 JA |
7440 | if (!prompt_string_pointer) |
7441 | prompt_string_pointer = &ps1_prompt; | |
28ef6c31 | 7442 | |
f73dda09 JA |
7443 | temp_prompt = *prompt_string_pointer |
7444 | ? decode_prompt_string (*prompt_string_pointer) | |
7445 | : (char *)NULL; | |
28ef6c31 | 7446 | |
f73dda09 JA |
7447 | if (temp_prompt == 0) |
7448 | { | |
7449 | temp_prompt = (char *)xmalloc (1); | |
7450 | temp_prompt[0] = '\0'; | |
28ef6c31 | 7451 | } |
28ef6c31 | 7452 | |
f73dda09 JA |
7453 | current_prompt_string = *prompt_string_pointer; |
7454 | prompt_string_pointer = &ps2_prompt; | |
28ef6c31 | 7455 | |
f73dda09 JA |
7456 | #if defined (READLINE) |
7457 | if (!no_line_editing) | |
ccc6cda3 | 7458 | { |
f73dda09 JA |
7459 | FREE (current_readline_prompt); |
7460 | current_readline_prompt = temp_prompt; | |
ccc6cda3 JA |
7461 | } |
7462 | else | |
f73dda09 | 7463 | #endif /* READLINE */ |
ccc6cda3 | 7464 | { |
f73dda09 JA |
7465 | FREE (current_decoded_prompt); |
7466 | current_decoded_prompt = temp_prompt; | |
ccc6cda3 JA |
7467 | } |
7468 | } | |
726f6388 | 7469 | |
28ef6c31 | 7470 | int |
f73dda09 | 7471 | get_current_prompt_level () |
bb70624e | 7472 | { |
f73dda09 | 7473 | return ((current_prompt_string && current_prompt_string == ps2_prompt) ? 2 : 1); |
28ef6c31 | 7474 | } |
bb70624e | 7475 | |
f73dda09 JA |
7476 | void |
7477 | set_current_prompt_level (x) | |
7478 | int x; | |
7479 | { | |
7480 | prompt_string_pointer = (x == 2) ? &ps2_prompt : &ps1_prompt; | |
7481 | current_prompt_string = *prompt_string_pointer; | |
7482 | } | |
7483 | ||
28ef6c31 | 7484 | static void |
f73dda09 | 7485 | print_prompt () |
28ef6c31 | 7486 | { |
f73dda09 JA |
7487 | fprintf (stderr, "%s", current_decoded_prompt); |
7488 | fflush (stderr); | |
7489 | } | |
bb70624e | 7490 | |
f73dda09 JA |
7491 | /* Return a string which will be printed as a prompt. The string |
7492 | may contain special characters which are decoded as follows: | |
726f6388 | 7493 | |
f73dda09 | 7494 | \a bell (ascii 07) |
f73dda09 | 7495 | \d the date in Day Mon Date format |
7117c2d2 | 7496 | \e escape (ascii 033) |
f73dda09 JA |
7497 | \h the hostname up to the first `.' |
7498 | \H the hostname | |
7499 | \j the number of active jobs | |
7500 | \l the basename of the shell's tty device name | |
7501 | \n CRLF | |
7117c2d2 | 7502 | \r CR |
f73dda09 JA |
7503 | \s the name of the shell |
7504 | \t the time in 24-hour hh:mm:ss format | |
7505 | \T the time in 12-hour hh:mm:ss format | |
7117c2d2 JA |
7506 | \@ the time in 12-hour hh:mm am/pm format |
7507 | \A the time in 24-hour hh:mm format | |
7508 | \D{fmt} the result of passing FMT to strftime(3) | |
7509 | \u your username | |
f73dda09 JA |
7510 | \v the version of bash (e.g., 2.00) |
7511 | \V the release of bash, version + patchlevel (e.g., 2.00.0) | |
7512 | \w the current working directory | |
7513 | \W the last element of $PWD | |
f73dda09 | 7514 | \! the history number of this command |
7117c2d2 | 7515 | \# the command number of this command |
f73dda09 JA |
7516 | \$ a $ or a # if you are root |
7517 | \nnn character code nnn in octal | |
7518 | \\ a backslash | |
7519 | \[ begin a sequence of non-printing chars | |
7520 | \] end a sequence of non-printing chars | |
7521 | */ | |
7522 | #define PROMPT_GROWTH 48 | |
7523 | char * | |
7524 | decode_prompt_string (string) | |
7525 | char *string; | |
7526 | { | |
7527 | WORD_LIST *list; | |
7528 | char *result, *t; | |
7529 | struct dstack save_dstack; | |
0001803f | 7530 | int last_exit_value, last_comsub_pid; |
f73dda09 JA |
7531 | #if defined (PROMPT_STRING_DECODE) |
7532 | int result_size, result_index; | |
0628567a | 7533 | int c, n, i; |
f73dda09 | 7534 | char *temp, octal_string[4]; |
7117c2d2 | 7535 | struct tm *tm; |
f73dda09 | 7536 | time_t the_time; |
7117c2d2 JA |
7537 | char timebuf[128]; |
7538 | char *timefmt; | |
726f6388 | 7539 | |
f73dda09 JA |
7540 | result = (char *)xmalloc (result_size = PROMPT_GROWTH); |
7541 | result[result_index = 0] = 0; | |
7542 | temp = (char *)NULL; | |
28ef6c31 | 7543 | |
f73dda09 JA |
7544 | while (c = *string++) |
7545 | { | |
7546 | if (posixly_correct && c == '!') | |
bb70624e | 7547 | { |
f73dda09 | 7548 | if (*string == '!') |
28ef6c31 | 7549 | { |
f73dda09 JA |
7550 | temp = savestring ("!"); |
7551 | goto add_string; | |
7552 | } | |
7553 | else | |
7554 | { | |
7555 | #if !defined (HISTORY) | |
7556 | temp = savestring ("1"); | |
7557 | #else /* HISTORY */ | |
7558 | temp = itos (history_number ()); | |
7559 | #endif /* HISTORY */ | |
7560 | string--; /* add_string increments string again. */ | |
7561 | goto add_string; | |
28ef6c31 | 7562 | } |
28ef6c31 | 7563 | } |
f73dda09 JA |
7564 | if (c == '\\') |
7565 | { | |
7566 | c = *string; | |
726f6388 | 7567 | |
f73dda09 JA |
7568 | switch (c) |
7569 | { | |
7570 | case '0': | |
7571 | case '1': | |
7572 | case '2': | |
7573 | case '3': | |
7574 | case '4': | |
7575 | case '5': | |
7576 | case '6': | |
7577 | case '7': | |
7578 | strncpy (octal_string, string, 3); | |
7579 | octal_string[3] = '\0'; | |
726f6388 | 7580 | |
f73dda09 JA |
7581 | n = read_octal (octal_string); |
7582 | temp = (char *)xmalloc (3); | |
726f6388 | 7583 | |
f73dda09 JA |
7584 | if (n == CTLESC || n == CTLNUL) |
7585 | { | |
7586 | temp[0] = CTLESC; | |
7587 | temp[1] = n; | |
7588 | temp[2] = '\0'; | |
7589 | } | |
7590 | else if (n == -1) | |
7591 | { | |
7592 | temp[0] = '\\'; | |
7593 | temp[1] = '\0'; | |
7594 | } | |
7595 | else | |
7596 | { | |
7597 | temp[0] = n; | |
7598 | temp[1] = '\0'; | |
7599 | } | |
28ef6c31 | 7600 | |
f73dda09 JA |
7601 | for (c = 0; n != -1 && c < 3 && ISOCTAL (*string); c++) |
7602 | string++; | |
28ef6c31 | 7603 | |
7117c2d2 | 7604 | c = 0; /* tested at add_string: */ |
f73dda09 | 7605 | goto add_string; |
28ef6c31 | 7606 | |
f73dda09 | 7607 | case 'd': |
7117c2d2 | 7608 | case 't': |
f73dda09 JA |
7609 | case 'T': |
7610 | case '@': | |
7611 | case 'A': | |
7612 | /* Make the current time/date into a string. */ | |
7117c2d2 | 7613 | (void) time (&the_time); |
509a4430 CR |
7614 | #if defined (HAVE_TZSET) |
7615 | sv_tz ("TZ"); /* XXX -- just make sure */ | |
7616 | #endif | |
7117c2d2 JA |
7617 | tm = localtime (&the_time); |
7618 | ||
7619 | if (c == 'd') | |
7620 | n = strftime (timebuf, sizeof (timebuf), "%a %b %d", tm); | |
7621 | else if (c == 't') | |
7622 | n = strftime (timebuf, sizeof (timebuf), "%H:%M:%S", tm); | |
7623 | else if (c == 'T') | |
7624 | n = strftime (timebuf, sizeof (timebuf), "%I:%M:%S", tm); | |
7625 | else if (c == '@') | |
7626 | n = strftime (timebuf, sizeof (timebuf), "%I:%M %p", tm); | |
7627 | else if (c == 'A') | |
7628 | n = strftime (timebuf, sizeof (timebuf), "%H:%M", tm); | |
7629 | ||
b80f6443 JA |
7630 | if (n == 0) |
7631 | timebuf[0] = '\0'; | |
7632 | else | |
7633 | timebuf[sizeof(timebuf) - 1] = '\0'; | |
7634 | ||
7117c2d2 JA |
7635 | temp = savestring (timebuf); |
7636 | goto add_string; | |
726f6388 | 7637 | |
7117c2d2 JA |
7638 | case 'D': /* strftime format */ |
7639 | if (string[1] != '{') /* } */ | |
7640 | goto not_escape; | |
726f6388 | 7641 | |
7117c2d2 JA |
7642 | (void) time (&the_time); |
7643 | tm = localtime (&the_time); | |
7644 | string += 2; /* skip { */ | |
7645 | timefmt = xmalloc (strlen (string) + 3); | |
7646 | for (t = timefmt; *string && *string != '}'; ) | |
7647 | *t++ = *string++; | |
7648 | *t = '\0'; | |
7649 | c = *string; /* tested at add_string */ | |
7650 | if (timefmt[0] == '\0') | |
f73dda09 | 7651 | { |
7117c2d2 JA |
7652 | timefmt[0] = '%'; |
7653 | timefmt[1] = 'X'; /* locale-specific current time */ | |
7654 | timefmt[2] = '\0'; | |
f73dda09 | 7655 | } |
7117c2d2 JA |
7656 | n = strftime (timebuf, sizeof (timebuf), timefmt, tm); |
7657 | free (timefmt); | |
7658 | ||
b80f6443 JA |
7659 | if (n == 0) |
7660 | timebuf[0] = '\0'; | |
7661 | else | |
7662 | timebuf[sizeof(timebuf) - 1] = '\0'; | |
7663 | ||
7117c2d2 JA |
7664 | if (promptvars || posixly_correct) |
7665 | /* Make sure that expand_prompt_string is called with a | |
7666 | second argument of Q_DOUBLE_QUOTES if we use this | |
7667 | function here. */ | |
7668 | temp = sh_backslash_quote_for_double_quotes (timebuf); | |
7669 | else | |
7670 | temp = savestring (timebuf); | |
f73dda09 | 7671 | goto add_string; |
7117c2d2 | 7672 | |
f73dda09 JA |
7673 | case 'n': |
7674 | temp = (char *)xmalloc (3); | |
7675 | temp[0] = no_line_editing ? '\n' : '\r'; | |
7676 | temp[1] = no_line_editing ? '\0' : '\n'; | |
7677 | temp[2] = '\0'; | |
7678 | goto add_string; | |
ccc6cda3 | 7679 | |
f73dda09 JA |
7680 | case 's': |
7681 | temp = base_pathname (shell_name); | |
7682 | temp = savestring (temp); | |
7683 | goto add_string; | |
726f6388 | 7684 | |
f73dda09 JA |
7685 | case 'v': |
7686 | case 'V': | |
7117c2d2 | 7687 | temp = (char *)xmalloc (16); |
f73dda09 JA |
7688 | if (c == 'v') |
7689 | strcpy (temp, dist_version); | |
7690 | else | |
7691 | sprintf (temp, "%s.%d", dist_version, patch_level); | |
7692 | goto add_string; | |
bb70624e | 7693 | |
f73dda09 JA |
7694 | case 'w': |
7695 | case 'W': | |
7696 | { | |
7697 | /* Use the value of PWD because it is much more efficient. */ | |
0628567a | 7698 | char t_string[PATH_MAX]; |
f73dda09 | 7699 | int tlen; |
28ef6c31 | 7700 | |
f73dda09 | 7701 | temp = get_string_value ("PWD"); |
ccc6cda3 | 7702 | |
f73dda09 JA |
7703 | if (temp == 0) |
7704 | { | |
7705 | if (getcwd (t_string, sizeof(t_string)) == 0) | |
7706 | { | |
7707 | t_string[0] = '.'; | |
7708 | tlen = 1; | |
7709 | } | |
7710 | else | |
7711 | tlen = strlen (t_string); | |
7712 | } | |
7713 | else | |
7714 | { | |
7715 | tlen = sizeof (t_string) - 1; | |
7716 | strncpy (t_string, temp, tlen); | |
7717 | } | |
7718 | t_string[tlen] = '\0'; | |
726f6388 | 7719 | |
0001803f CR |
7720 | #if defined (MACOSX) |
7721 | /* Convert from "fs" format to "input" format */ | |
7722 | temp = fnx_fromfs (t_string, strlen (t_string)); | |
7723 | if (temp != t_string) | |
7724 | strcpy (t_string, temp); | |
7725 | #endif | |
7726 | ||
f73dda09 JA |
7727 | #define ROOT_PATH(x) ((x)[0] == '/' && (x)[1] == 0) |
7728 | #define DOUBLE_SLASH_ROOT(x) ((x)[0] == '/' && (x)[1] == '/' && (x)[2] == 0) | |
b80f6443 | 7729 | /* Abbreviate \W as ~ if $PWD == $HOME */ |
95732b49 | 7730 | if (c == 'W' && (((t = get_string_value ("HOME")) == 0) || STREQ (t, t_string) == 0)) |
f73dda09 JA |
7731 | { |
7732 | if (ROOT_PATH (t_string) == 0 && DOUBLE_SLASH_ROOT (t_string) == 0) | |
7733 | { | |
7734 | t = strrchr (t_string, '/'); | |
7735 | if (t) | |
495aee44 | 7736 | memmove (t_string, t + 1, strlen (t)); /* strlen(t) to copy NULL */ |
f73dda09 JA |
7737 | } |
7738 | } | |
7739 | #undef ROOT_PATH | |
7740 | #undef DOUBLE_SLASH_ROOT | |
7741 | else | |
ac50fbac CR |
7742 | { |
7743 | /* polite_directory_format is guaranteed to return a string | |
7744 | no longer than PATH_MAX - 1 characters. */ | |
7745 | temp = polite_directory_format (t_string); | |
7746 | if (temp != t_string) | |
7747 | strcpy (t_string, temp); | |
7748 | } | |
726f6388 | 7749 | |
3185942a | 7750 | temp = trim_pathname (t_string, PATH_MAX - 1); |
f73dda09 JA |
7751 | /* If we're going to be expanding the prompt string later, |
7752 | quote the directory name. */ | |
7753 | if (promptvars || posixly_correct) | |
7754 | /* Make sure that expand_prompt_string is called with a | |
7117c2d2 | 7755 | second argument of Q_DOUBLE_QUOTES if we use this |
f73dda09 JA |
7756 | function here. */ |
7757 | temp = sh_backslash_quote_for_double_quotes (t_string); | |
7758 | else | |
7759 | temp = savestring (t_string); | |
726f6388 | 7760 | |
f73dda09 JA |
7761 | goto add_string; |
7762 | } | |
726f6388 | 7763 | |
f73dda09 JA |
7764 | case 'u': |
7765 | if (current_user.user_name == 0) | |
7766 | get_current_user_info (); | |
7767 | temp = savestring (current_user.user_name); | |
7768 | goto add_string; | |
726f6388 | 7769 | |
f73dda09 JA |
7770 | case 'h': |
7771 | case 'H': | |
7772 | temp = savestring (current_host_name); | |
7773 | if (c == 'h' && (t = (char *)strchr (temp, '.'))) | |
7774 | *t = '\0'; | |
7775 | goto add_string; | |
726f6388 | 7776 | |
f73dda09 JA |
7777 | case '#': |
7778 | temp = itos (current_command_number); | |
7779 | goto add_string; | |
28ef6c31 | 7780 | |
f73dda09 JA |
7781 | case '!': |
7782 | #if !defined (HISTORY) | |
7783 | temp = savestring ("1"); | |
7784 | #else /* HISTORY */ | |
7785 | temp = itos (history_number ()); | |
7786 | #endif /* HISTORY */ | |
7787 | goto add_string; | |
726f6388 | 7788 | |
f73dda09 JA |
7789 | case '$': |
7790 | t = temp = (char *)xmalloc (3); | |
7791 | if ((promptvars || posixly_correct) && (current_user.euid != 0)) | |
7792 | *t++ = '\\'; | |
7793 | *t++ = current_user.euid == 0 ? '#' : '$'; | |
7794 | *t = '\0'; | |
7795 | goto add_string; | |
726f6388 | 7796 | |
f73dda09 JA |
7797 | case 'j': |
7798 | temp = itos (count_all_jobs ()); | |
7799 | goto add_string; | |
28ef6c31 | 7800 | |
f73dda09 JA |
7801 | case 'l': |
7802 | #if defined (HAVE_TTYNAME) | |
7803 | temp = (char *)ttyname (fileno (stdin)); | |
7804 | t = temp ? base_pathname (temp) : "tty"; | |
7805 | temp = savestring (t); | |
7806 | #else | |
7807 | temp = savestring ("tty"); | |
7808 | #endif /* !HAVE_TTYNAME */ | |
7809 | goto add_string; | |
726f6388 | 7810 | |
f73dda09 JA |
7811 | #if defined (READLINE) |
7812 | case '[': | |
7813 | case ']': | |
b80f6443 JA |
7814 | if (no_line_editing) |
7815 | { | |
7816 | string++; | |
7817 | break; | |
7818 | } | |
f73dda09 | 7819 | temp = (char *)xmalloc (3); |
0628567a JA |
7820 | n = (c == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE; |
7821 | i = 0; | |
7822 | if (n == CTLESC || n == CTLNUL) | |
7823 | temp[i++] = CTLESC; | |
7824 | temp[i++] = n; | |
7825 | temp[i] = '\0'; | |
f73dda09 JA |
7826 | goto add_string; |
7827 | #endif /* READLINE */ | |
ccc6cda3 | 7828 | |
f73dda09 | 7829 | case '\\': |
f73dda09 JA |
7830 | case 'a': |
7831 | case 'e': | |
7117c2d2 | 7832 | case 'r': |
f73dda09 | 7833 | temp = (char *)xmalloc (2); |
7117c2d2 JA |
7834 | if (c == 'a') |
7835 | temp[0] = '\07'; | |
7836 | else if (c == 'e') | |
7837 | temp[0] = '\033'; | |
7838 | else if (c == 'r') | |
7839 | temp[0] = '\r'; | |
7840 | else /* (c == '\\') */ | |
7841 | temp[0] = c; | |
f73dda09 JA |
7842 | temp[1] = '\0'; |
7843 | goto add_string; | |
7844 | ||
7845 | default: | |
7117c2d2 | 7846 | not_escape: |
f73dda09 JA |
7847 | temp = (char *)xmalloc (3); |
7848 | temp[0] = '\\'; | |
7849 | temp[1] = c; | |
7850 | temp[2] = '\0'; | |
7851 | ||
7852 | add_string: | |
7853 | if (c) | |
7854 | string++; | |
7855 | result = | |
7856 | sub_append_string (temp, result, &result_index, &result_size); | |
7857 | temp = (char *)NULL; /* Freed in sub_append_string (). */ | |
7858 | result[result_index] = '\0'; | |
7859 | break; | |
7860 | } | |
7861 | } | |
7862 | else | |
7863 | { | |
7864 | RESIZE_MALLOCED_BUFFER (result, result_index, 3, result_size, PROMPT_GROWTH); | |
7865 | result[result_index++] = c; | |
7866 | result[result_index] = '\0'; | |
7867 | } | |
7868 | } | |
7869 | #else /* !PROMPT_STRING_DECODE */ | |
7870 | result = savestring (string); | |
7871 | #endif /* !PROMPT_STRING_DECODE */ | |
7872 | ||
7873 | /* Save the delimiter stack and point `dstack' to temp space so any | |
7874 | command substitutions in the prompt string won't result in screwing | |
7875 | up the parser's quoting state. */ | |
7876 | save_dstack = dstack; | |
7877 | dstack = temp_dstack; | |
7878 | dstack.delimiter_depth = 0; | |
7879 | ||
7880 | /* Perform variable and parameter expansion and command substitution on | |
7881 | the prompt string. */ | |
7882 | if (promptvars || posixly_correct) | |
7883 | { | |
7884 | last_exit_value = last_command_exit_value; | |
0001803f | 7885 | last_comsub_pid = last_command_subst_pid; |
3185942a | 7886 | list = expand_prompt_string (result, Q_DOUBLE_QUOTES, 0); |
f73dda09 JA |
7887 | free (result); |
7888 | result = string_list (list); | |
7889 | dispose_words (list); | |
7890 | last_command_exit_value = last_exit_value; | |
0001803f | 7891 | last_command_subst_pid = last_comsub_pid; |
f73dda09 JA |
7892 | } |
7893 | else | |
7894 | { | |
7895 | t = dequote_string (result); | |
7896 | free (result); | |
7897 | result = t; | |
7898 | } | |
7899 | ||
7900 | dstack = save_dstack; | |
7901 | ||
7902 | return (result); | |
7903 | } | |
7904 | ||
7117c2d2 JA |
7905 | /************************************************ |
7906 | * * | |
7907 | * ERROR HANDLING * | |
7908 | * * | |
7909 | ************************************************/ | |
7910 | ||
f73dda09 JA |
7911 | /* Report a syntax error, and restart the parser. Call here for fatal |
7912 | errors. */ | |
7913 | int | |
7914 | yyerror (msg) | |
7915 | const char *msg; | |
726f6388 | 7916 | { |
f73dda09 JA |
7917 | report_syntax_error ((char *)NULL); |
7918 | reset_parser (); | |
7919 | return (0); | |
7920 | } | |
7921 | ||
7117c2d2 | 7922 | static char * |
0628567a JA |
7923 | error_token_from_token (tok) |
7924 | int tok; | |
7117c2d2 JA |
7925 | { |
7926 | char *t; | |
7927 | ||
0628567a | 7928 | if (t = find_token_in_alist (tok, word_token_alist, 0)) |
7117c2d2 JA |
7929 | return t; |
7930 | ||
0628567a | 7931 | if (t = find_token_in_alist (tok, other_token_alist, 0)) |
7117c2d2 JA |
7932 | return t; |
7933 | ||
7934 | t = (char *)NULL; | |
7935 | /* This stuff is dicy and needs closer inspection */ | |
7936 | switch (current_token) | |
7937 | { | |
7938 | case WORD: | |
7939 | case ASSIGNMENT_WORD: | |
7940 | if (yylval.word) | |
7941 | t = savestring (yylval.word->word); | |
7942 | break; | |
7943 | case NUMBER: | |
7944 | t = itos (yylval.number); | |
7945 | break; | |
7946 | case ARITH_CMD: | |
7947 | if (yylval.word_list) | |
7948 | t = string_list (yylval.word_list); | |
7949 | break; | |
7950 | case ARITH_FOR_EXPRS: | |
7951 | if (yylval.word_list) | |
7952 | t = string_list_internal (yylval.word_list, " ; "); | |
7953 | break; | |
7954 | case COND_CMD: | |
7955 | t = (char *)NULL; /* punt */ | |
7956 | break; | |
7957 | } | |
7958 | ||
7959 | return t; | |
7960 | } | |
7961 | ||
7962 | static char * | |
7963 | error_token_from_text () | |
7964 | { | |
7965 | char *msg, *t; | |
7966 | int token_end, i; | |
7967 | ||
7968 | t = shell_input_line; | |
7969 | i = shell_input_line_index; | |
7970 | token_end = 0; | |
7971 | msg = (char *)NULL; | |
7972 | ||
7973 | if (i && t[i] == '\0') | |
7974 | i--; | |
7975 | ||
7976 | while (i && (whitespace (t[i]) || t[i] == '\n')) | |
7977 | i--; | |
7978 | ||
7979 | if (i) | |
7980 | token_end = i + 1; | |
7981 | ||
7982 | while (i && (member (t[i], " \n\t;|&") == 0)) | |
7983 | i--; | |
7984 | ||
7985 | while (i != token_end && (whitespace (t[i]) || t[i] == '\n')) | |
7986 | i++; | |
7987 | ||
7988 | /* Return our idea of the offending token. */ | |
7989 | if (token_end || (i == 0 && token_end == 0)) | |
7990 | { | |
7991 | if (token_end) | |
7992 | msg = substring (t, i, token_end); | |
7993 | else /* one-character token */ | |
7994 | { | |
7995 | msg = (char *)xmalloc (2); | |
7996 | msg[0] = t[i]; | |
7997 | msg[1] = '\0'; | |
7998 | } | |
7999 | } | |
8000 | ||
8001 | return (msg); | |
8002 | } | |
8003 | ||
8004 | static void | |
8005 | print_offending_line () | |
8006 | { | |
8007 | char *msg; | |
8008 | int token_end; | |
8009 | ||
8010 | msg = savestring (shell_input_line); | |
8011 | token_end = strlen (msg); | |
8012 | while (token_end && msg[token_end - 1] == '\n') | |
8013 | msg[--token_end] = '\0'; | |
8014 | ||
8015 | parser_error (line_number, "`%s'", msg); | |
8016 | free (msg); | |
8017 | } | |
8018 | ||
f73dda09 JA |
8019 | /* Report a syntax error with line numbers, etc. |
8020 | Call here for recoverable errors. If you have a message to print, | |
8021 | then place it in MESSAGE, otherwise pass NULL and this will figure | |
8022 | out an appropriate message for you. */ | |
8023 | static void | |
8024 | report_syntax_error (message) | |
8025 | char *message; | |
726f6388 | 8026 | { |
495aee44 | 8027 | char *msg, *p; |
f73dda09 JA |
8028 | |
8029 | if (message) | |
8030 | { | |
8031 | parser_error (line_number, "%s", message); | |
8032 | if (interactive && EOF_Reached) | |
8033 | EOF_Reached = 0; | |
0001803f | 8034 | last_command_exit_value = parse_and_execute_level ? EX_BADSYNTAX : EX_BADUSAGE; |
f73dda09 JA |
8035 | return; |
8036 | } | |
8037 | ||
8038 | /* If the line of input we're reading is not null, try to find the | |
7117c2d2 JA |
8039 | objectionable token. First, try to figure out what token the |
8040 | parser's complaining about by looking at current_token. */ | |
8041 | if (current_token != 0 && EOF_Reached == 0 && (msg = error_token_from_token (current_token))) | |
f73dda09 | 8042 | { |
495aee44 CR |
8043 | if (ansic_shouldquote (msg)) |
8044 | { | |
8045 | p = ansic_quote (msg, 0, NULL); | |
8046 | free (msg); | |
8047 | msg = p; | |
8048 | } | |
b80f6443 | 8049 | parser_error (line_number, _("syntax error near unexpected token `%s'"), msg); |
7117c2d2 | 8050 | free (msg); |
f73dda09 | 8051 | |
7117c2d2 JA |
8052 | if (interactive == 0) |
8053 | print_offending_line (); | |
f73dda09 | 8054 | |
0001803f | 8055 | last_command_exit_value = parse_and_execute_level ? EX_BADSYNTAX : EX_BADUSAGE; |
7117c2d2 JA |
8056 | return; |
8057 | } | |
f73dda09 | 8058 | |
7117c2d2 JA |
8059 | /* If looking at the current token doesn't prove fruitful, try to find the |
8060 | offending token by analyzing the text of the input line near the current | |
8061 | input line index and report what we find. */ | |
8062 | if (shell_input_line && *shell_input_line) | |
8063 | { | |
8064 | msg = error_token_from_text (); | |
8065 | if (msg) | |
f73dda09 | 8066 | { |
b80f6443 | 8067 | parser_error (line_number, _("syntax error near `%s'"), msg); |
7117c2d2 | 8068 | free (msg); |
f73dda09 JA |
8069 | } |
8070 | ||
8071 | /* If not interactive, print the line containing the error. */ | |
8072 | if (interactive == 0) | |
7117c2d2 | 8073 | print_offending_line (); |
f73dda09 JA |
8074 | } |
8075 | else | |
8076 | { | |
b80f6443 | 8077 | msg = EOF_Reached ? _("syntax error: unexpected end of file") : _("syntax error"); |
f73dda09 JA |
8078 | parser_error (line_number, "%s", msg); |
8079 | /* When the shell is interactive, this file uses EOF_Reached | |
8080 | only for error reporting. Other mechanisms are used to | |
8081 | decide whether or not to exit. */ | |
8082 | if (interactive && EOF_Reached) | |
8083 | EOF_Reached = 0; | |
8084 | } | |
7117c2d2 | 8085 | |
0001803f | 8086 | last_command_exit_value = parse_and_execute_level ? EX_BADSYNTAX : EX_BADUSAGE; |
f73dda09 JA |
8087 | } |
8088 | ||
8089 | /* ??? Needed function. ??? We have to be able to discard the constructs | |
8090 | created during parsing. In the case of error, we want to return | |
8091 | allocated objects to the memory pool. In the case of no error, we want | |
8092 | to throw away the information about where the allocated objects live. | |
7117c2d2 | 8093 | (dispose_command () will actually free the command.) */ |
f73dda09 JA |
8094 | static void |
8095 | discard_parser_constructs (error_p) | |
8096 | int error_p; | |
28ef6c31 | 8097 | { |
f73dda09 JA |
8098 | } |
8099 | ||
7117c2d2 JA |
8100 | /************************************************ |
8101 | * * | |
8102 | * EOF HANDLING * | |
8103 | * * | |
8104 | ************************************************/ | |
8105 | ||
f73dda09 JA |
8106 | /* Do that silly `type "bye" to exit' stuff. You know, "ignoreeof". */ |
8107 | ||
8108 | /* A flag denoting whether or not ignoreeof is set. */ | |
8109 | int ignoreeof = 0; | |
8110 | ||
8111 | /* The number of times that we have encountered an EOF character without | |
8112 | another character intervening. When this gets above the limit, the | |
8113 | shell terminates. */ | |
8114 | int eof_encountered = 0; | |
8115 | ||
8116 | /* The limit for eof_encountered. */ | |
8117 | int eof_encountered_limit = 10; | |
8118 | ||
8119 | /* If we have EOF as the only input unit, this user wants to leave | |
8120 | the shell. If the shell is not interactive, then just leave. | |
8121 | Otherwise, if ignoreeof is set, and we haven't done this the | |
8122 | required number of times in a row, print a message. */ | |
8123 | static void | |
8124 | handle_eof_input_unit () | |
28ef6c31 | 8125 | { |
f73dda09 JA |
8126 | if (interactive) |
8127 | { | |
8128 | /* shell.c may use this to decide whether or not to write out the | |
8129 | history, among other things. We use it only for error reporting | |
8130 | in this file. */ | |
8131 | if (EOF_Reached) | |
8132 | EOF_Reached = 0; | |
8133 | ||
8134 | /* If the user wants to "ignore" eof, then let her do so, kind of. */ | |
8135 | if (ignoreeof) | |
8136 | { | |
8137 | if (eof_encountered < eof_encountered_limit) | |
8138 | { | |
b80f6443 | 8139 | fprintf (stderr, _("Use \"%s\" to leave the shell.\n"), |
f73dda09 JA |
8140 | login_shell ? "logout" : "exit"); |
8141 | eof_encountered++; | |
7117c2d2 JA |
8142 | /* Reset the parsing state. */ |
8143 | last_read_token = current_token = '\n'; | |
f73dda09 JA |
8144 | /* Reset the prompt string to be $PS1. */ |
8145 | prompt_string_pointer = (char **)NULL; | |
8146 | prompt_again (); | |
f73dda09 JA |
8147 | return; |
8148 | } | |
8149 | } | |
8150 | ||
8151 | /* In this case EOF should exit the shell. Do it now. */ | |
8152 | reset_parser (); | |
8153 | exit_builtin ((WORD_LIST *)NULL); | |
726f6388 | 8154 | } |
f73dda09 | 8155 | else |
726f6388 | 8156 | { |
f73dda09 JA |
8157 | /* We don't write history files, etc., for non-interactive shells. */ |
8158 | EOF_Reached = 1; | |
8159 | } | |
8160 | } | |
8161 | ||
7117c2d2 JA |
8162 | /************************************************ |
8163 | * * | |
8164 | * STRING PARSING FUNCTIONS * | |
8165 | * * | |
8166 | ************************************************/ | |
8167 | ||
8168 | /* It's very important that these two functions treat the characters | |
8169 | between ( and ) identically. */ | |
8170 | ||
f73dda09 JA |
8171 | static WORD_LIST parse_string_error; |
8172 | ||
8173 | /* Take a string and run it through the shell parser, returning the | |
8174 | resultant word list. Used by compound array assignment. */ | |
8175 | WORD_LIST * | |
b80f6443 | 8176 | parse_string_to_word_list (s, flags, whom) |
f73dda09 | 8177 | char *s; |
b80f6443 | 8178 | int flags; |
f73dda09 JA |
8179 | const char *whom; |
8180 | { | |
8181 | WORD_LIST *wl; | |
7117c2d2 | 8182 | int tok, orig_current_token, orig_line_number, orig_input_terminator; |
f73dda09 | 8183 | int orig_line_count; |
7117c2d2 | 8184 | int old_echo_input, old_expand_aliases; |
f73dda09 JA |
8185 | #if defined (HISTORY) |
8186 | int old_remember_on_history, old_history_expansion_inhibited; | |
bb70624e | 8187 | #endif |
f73dda09 JA |
8188 | |
8189 | #if defined (HISTORY) | |
8190 | old_remember_on_history = remember_on_history; | |
8191 | # if defined (BANG_HISTORY) | |
8192 | old_history_expansion_inhibited = history_expansion_inhibited; | |
8193 | # endif | |
8194 | bash_history_disable (); | |
bb70624e | 8195 | #endif |
f73dda09 JA |
8196 | |
8197 | orig_line_number = line_number; | |
8198 | orig_line_count = current_command_line_count; | |
8199 | orig_input_terminator = shell_input_line_terminator; | |
7117c2d2 JA |
8200 | old_echo_input = echo_input_at_read; |
8201 | old_expand_aliases = expand_aliases; | |
f73dda09 JA |
8202 | |
8203 | push_stream (1); | |
7117c2d2 | 8204 | last_read_token = WORD; /* WORD to allow reserved words here */ |
f73dda09 | 8205 | current_command_line_count = 0; |
7117c2d2 | 8206 | echo_input_at_read = expand_aliases = 0; |
f73dda09 JA |
8207 | |
8208 | with_input_from_string (s, whom); | |
8209 | wl = (WORD_LIST *)NULL; | |
b80f6443 JA |
8210 | |
8211 | if (flags & 1) | |
3185942a | 8212 | parser_state |= PST_COMPASSIGN|PST_REPARSE; |
b80f6443 | 8213 | |
f73dda09 JA |
8214 | while ((tok = read_token (READ)) != yacc_EOF) |
8215 | { | |
8216 | if (tok == '\n' && *bash_input.location.string == '\0') | |
8217 | break; | |
8218 | if (tok == '\n') /* Allow newlines in compound assignments */ | |
8219 | continue; | |
8220 | if (tok != WORD && tok != ASSIGNMENT_WORD) | |
8221 | { | |
8222 | line_number = orig_line_number + line_number - 1; | |
7117c2d2 JA |
8223 | orig_current_token = current_token; |
8224 | current_token = tok; | |
95732b49 | 8225 | yyerror (NULL); /* does the right thing */ |
7117c2d2 | 8226 | current_token = orig_current_token; |
f73dda09 JA |
8227 | if (wl) |
8228 | dispose_words (wl); | |
8229 | wl = &parse_string_error; | |
8230 | break; | |
8231 | } | |
8232 | wl = make_word_list (yylval.word, wl); | |
bb70624e | 8233 | } |
f73dda09 JA |
8234 | |
8235 | last_read_token = '\n'; | |
8236 | pop_stream (); | |
8237 | ||
8238 | #if defined (HISTORY) | |
8239 | remember_on_history = old_remember_on_history; | |
8240 | # if defined (BANG_HISTORY) | |
8241 | history_expansion_inhibited = old_history_expansion_inhibited; | |
8242 | # endif /* BANG_HISTORY */ | |
8243 | #endif /* HISTORY */ | |
8244 | ||
7117c2d2 JA |
8245 | echo_input_at_read = old_echo_input; |
8246 | expand_aliases = old_expand_aliases; | |
8247 | ||
f73dda09 JA |
8248 | current_command_line_count = orig_line_count; |
8249 | shell_input_line_terminator = orig_input_terminator; | |
8250 | ||
b80f6443 | 8251 | if (flags & 1) |
3185942a | 8252 | parser_state &= ~(PST_COMPASSIGN|PST_REPARSE); |
b80f6443 | 8253 | |
f73dda09 | 8254 | if (wl == &parse_string_error) |
bb70624e | 8255 | { |
f73dda09 JA |
8256 | last_command_exit_value = EXECUTION_FAILURE; |
8257 | if (interactive_shell == 0 && posixly_correct) | |
8258 | jump_to_top_level (FORCE_EOF); | |
8259 | else | |
8260 | jump_to_top_level (DISCARD); | |
bb70624e | 8261 | } |
f73dda09 JA |
8262 | |
8263 | return (REVERSE_LIST (wl, WORD_LIST *)); | |
bb70624e | 8264 | } |
7117c2d2 JA |
8265 | |
8266 | static char * | |
8267 | parse_compound_assignment (retlenp) | |
8268 | int *retlenp; | |
8269 | { | |
8270 | WORD_LIST *wl, *rl; | |
0628567a | 8271 | int tok, orig_line_number, orig_token_size, orig_last_token, assignok; |
7117c2d2 JA |
8272 | char *saved_token, *ret; |
8273 | ||
8274 | saved_token = token; | |
8275 | orig_token_size = token_buffer_size; | |
8276 | orig_line_number = line_number; | |
0628567a | 8277 | orig_last_token = last_read_token; |
7117c2d2 JA |
8278 | |
8279 | last_read_token = WORD; /* WORD to allow reserved words here */ | |
8280 | ||
8281 | token = (char *)NULL; | |
8282 | token_buffer_size = 0; | |
8283 | ||
0628567a JA |
8284 | assignok = parser_state&PST_ASSIGNOK; /* XXX */ |
8285 | ||
7117c2d2 | 8286 | wl = (WORD_LIST *)NULL; /* ( */ |
b80f6443 JA |
8287 | parser_state |= PST_COMPASSIGN; |
8288 | ||
7117c2d2 JA |
8289 | while ((tok = read_token (READ)) != ')') |
8290 | { | |
8291 | if (tok == '\n') /* Allow newlines in compound assignments */ | |
b80f6443 JA |
8292 | { |
8293 | if (SHOULD_PROMPT ()) | |
8294 | prompt_again (); | |
8295 | continue; | |
8296 | } | |
7117c2d2 JA |
8297 | if (tok != WORD && tok != ASSIGNMENT_WORD) |
8298 | { | |
8299 | current_token = tok; /* for error reporting */ | |
8300 | if (tok == yacc_EOF) /* ( */ | |
b80f6443 | 8301 | parser_error (orig_line_number, _("unexpected EOF while looking for matching `)'")); |
7117c2d2 | 8302 | else |
95732b49 | 8303 | yyerror(NULL); /* does the right thing */ |
7117c2d2 JA |
8304 | if (wl) |
8305 | dispose_words (wl); | |
8306 | wl = &parse_string_error; | |
8307 | break; | |
8308 | } | |
8309 | wl = make_word_list (yylval.word, wl); | |
8310 | } | |
8311 | ||
8312 | FREE (token); | |
8313 | token = saved_token; | |
8314 | token_buffer_size = orig_token_size; | |
8315 | ||
b80f6443 JA |
8316 | parser_state &= ~PST_COMPASSIGN; |
8317 | ||
7117c2d2 JA |
8318 | if (wl == &parse_string_error) |
8319 | { | |
8320 | last_command_exit_value = EXECUTION_FAILURE; | |
8321 | last_read_token = '\n'; /* XXX */ | |
8322 | if (interactive_shell == 0 && posixly_correct) | |
8323 | jump_to_top_level (FORCE_EOF); | |
8324 | else | |
8325 | jump_to_top_level (DISCARD); | |
8326 | } | |
8327 | ||
0628567a JA |
8328 | last_read_token = orig_last_token; /* XXX - was WORD? */ |
8329 | ||
7117c2d2 JA |
8330 | if (wl) |
8331 | { | |
8332 | rl = REVERSE_LIST (wl, WORD_LIST *); | |
8333 | ret = string_list (rl); | |
8334 | dispose_words (rl); | |
8335 | } | |
8336 | else | |
8337 | ret = (char *)NULL; | |
8338 | ||
8339 | if (retlenp) | |
8340 | *retlenp = (ret && *ret) ? strlen (ret) : 0; | |
0628567a JA |
8341 | |
8342 | if (assignok) | |
8343 | parser_state |= PST_ASSIGNOK; | |
8344 | ||
7117c2d2 JA |
8345 | return ret; |
8346 | } | |
8347 | ||
b80f6443 JA |
8348 | /************************************************ |
8349 | * * | |
8350 | * SAVING AND RESTORING PARTIAL PARSE STATE * | |
8351 | * * | |
8352 | ************************************************/ | |
8353 | ||
8354 | sh_parser_state_t * | |
8355 | save_parser_state (ps) | |
8356 | sh_parser_state_t *ps; | |
8357 | { | |
b80f6443 | 8358 | if (ps == 0) |
95732b49 | 8359 | ps = (sh_parser_state_t *)xmalloc (sizeof (sh_parser_state_t)); |
b80f6443 JA |
8360 | if (ps == 0) |
8361 | return ((sh_parser_state_t *)NULL); | |
8362 | ||
8363 | ps->parser_state = parser_state; | |
8364 | ps->token_state = save_token_state (); | |
8365 | ||
8366 | ps->input_line_terminator = shell_input_line_terminator; | |
8367 | ps->eof_encountered = eof_encountered; | |
8368 | ||
495aee44 CR |
8369 | ps->prompt_string_pointer = prompt_string_pointer; |
8370 | ||
b80f6443 JA |
8371 | ps->current_command_line_count = current_command_line_count; |
8372 | ||
8373 | #if defined (HISTORY) | |
8374 | ps->remember_on_history = remember_on_history; | |
8375 | # if defined (BANG_HISTORY) | |
8376 | ps->history_expansion_inhibited = history_expansion_inhibited; | |
8377 | # endif | |
8378 | #endif | |
8379 | ||
8380 | ps->last_command_exit_value = last_command_exit_value; | |
8381 | #if defined (ARRAY_VARS) | |
495aee44 | 8382 | ps->pipestatus = save_pipestatus_array (); |
b80f6443 JA |
8383 | #endif |
8384 | ||
8385 | ps->last_shell_builtin = last_shell_builtin; | |
8386 | ps->this_shell_builtin = this_shell_builtin; | |
8387 | ||
8388 | ps->expand_aliases = expand_aliases; | |
8389 | ps->echo_input_at_read = echo_input_at_read; | |
8390 | ||
509a4430 CR |
8391 | ps->token = token; |
8392 | ps->token_buffer_size = token_buffer_size; | |
8393 | /* Force reallocation on next call to read_token_word */ | |
8394 | token = 0; | |
8395 | token_buffer_size = 0; | |
8396 | ||
b80f6443 JA |
8397 | return (ps); |
8398 | } | |
8399 | ||
8400 | void | |
8401 | restore_parser_state (ps) | |
8402 | sh_parser_state_t *ps; | |
8403 | { | |
b80f6443 JA |
8404 | if (ps == 0) |
8405 | return; | |
8406 | ||
8407 | parser_state = ps->parser_state; | |
8408 | if (ps->token_state) | |
8409 | { | |
8410 | restore_token_state (ps->token_state); | |
8411 | free (ps->token_state); | |
8412 | } | |
8413 | ||
8414 | shell_input_line_terminator = ps->input_line_terminator; | |
8415 | eof_encountered = ps->eof_encountered; | |
8416 | ||
495aee44 CR |
8417 | prompt_string_pointer = ps->prompt_string_pointer; |
8418 | ||
b80f6443 JA |
8419 | current_command_line_count = ps->current_command_line_count; |
8420 | ||
8421 | #if defined (HISTORY) | |
8422 | remember_on_history = ps->remember_on_history; | |
8423 | # if defined (BANG_HISTORY) | |
8424 | history_expansion_inhibited = ps->history_expansion_inhibited; | |
8425 | # endif | |
8426 | #endif | |
8427 | ||
8428 | last_command_exit_value = ps->last_command_exit_value; | |
8429 | #if defined (ARRAY_VARS) | |
495aee44 | 8430 | restore_pipestatus_array (ps->pipestatus); |
b80f6443 JA |
8431 | #endif |
8432 | ||
8433 | last_shell_builtin = ps->last_shell_builtin; | |
8434 | this_shell_builtin = ps->this_shell_builtin; | |
8435 | ||
8436 | expand_aliases = ps->expand_aliases; | |
8437 | echo_input_at_read = ps->echo_input_at_read; | |
509a4430 CR |
8438 | |
8439 | FREE (token); | |
8440 | token = ps->token; | |
8441 | token_buffer_size = ps->token_buffer_size; | |
8442 | } | |
8443 | ||
8444 | sh_input_line_state_t * | |
8445 | save_input_line_state (ls) | |
8446 | sh_input_line_state_t *ls; | |
8447 | { | |
8448 | if (ls == 0) | |
8449 | ls = (sh_input_line_state_t *)xmalloc (sizeof (sh_input_line_state_t)); | |
8450 | if (ls == 0) | |
8451 | return ((sh_input_line_state_t *)NULL); | |
8452 | ||
8453 | ls->input_line = shell_input_line; | |
8454 | ls->input_line_size = shell_input_line_size; | |
8455 | ls->input_line_len = shell_input_line_len; | |
8456 | ls->input_line_index = shell_input_line_index; | |
8457 | ||
8458 | /* force reallocation */ | |
8459 | shell_input_line = 0; | |
8460 | shell_input_line_size = shell_input_line_len = shell_input_line_index = 0; | |
ac50fbac CR |
8461 | |
8462 | return ls; | |
509a4430 CR |
8463 | } |
8464 | ||
8465 | void | |
8466 | restore_input_line_state (ls) | |
8467 | sh_input_line_state_t *ls; | |
8468 | { | |
8469 | FREE (shell_input_line); | |
8470 | shell_input_line = ls->input_line; | |
8471 | shell_input_line_size = ls->input_line_size; | |
8472 | shell_input_line_len = ls->input_line_len; | |
8473 | shell_input_line_index = ls->input_line_index; | |
8474 | ||
8475 | set_line_mbstate (); | |
b80f6443 JA |
8476 | } |
8477 | ||
7117c2d2 JA |
8478 | /************************************************ |
8479 | * * | |
8480 | * MULTIBYTE CHARACTER HANDLING * | |
8481 | * * | |
8482 | ************************************************/ | |
8483 | ||
8484 | #if defined (HANDLE_MULTIBYTE) | |
8485 | static void | |
8486 | set_line_mbstate () | |
8487 | { | |
ac50fbac CR |
8488 | int c; |
8489 | size_t i, previ, len; | |
7117c2d2 JA |
8490 | mbstate_t mbs, prevs; |
8491 | size_t mbclen; | |
8492 | ||
8493 | if (shell_input_line == NULL) | |
8494 | return; | |
8495 | len = strlen (shell_input_line); /* XXX - shell_input_line_len ? */ | |
8496 | FREE (shell_input_line_property); | |
8497 | shell_input_line_property = (char *)xmalloc (len + 1); | |
8498 | ||
8499 | memset (&prevs, '\0', sizeof (mbstate_t)); | |
8500 | for (i = previ = 0; i < len; i++) | |
8501 | { | |
8502 | mbs = prevs; | |
8503 | ||
b80f6443 JA |
8504 | c = shell_input_line[i]; |
8505 | if (c == EOF) | |
7117c2d2 | 8506 | { |
ac50fbac | 8507 | size_t j; |
7117c2d2 JA |
8508 | for (j = i; j < len; j++) |
8509 | shell_input_line_property[j] = 1; | |
8510 | break; | |
8511 | } | |
8512 | ||
8513 | mbclen = mbrlen (shell_input_line + previ, i - previ + 1, &mbs); | |
8514 | if (mbclen == 1 || mbclen == (size_t)-1) | |
8515 | { | |
8516 | mbclen = 1; | |
8517 | previ = i + 1; | |
8518 | } | |
8519 | else if (mbclen == (size_t)-2) | |
8520 | mbclen = 0; | |
8521 | else if (mbclen > 1) | |
8522 | { | |
8523 | mbclen = 0; | |
8524 | previ = i + 1; | |
8525 | prevs = mbs; | |
8526 | } | |
8527 | else | |
8528 | { | |
b80f6443 | 8529 | /* XXX - what to do if mbrlen returns 0? (null wide character) */ |
ac50fbac | 8530 | size_t j; |
b80f6443 JA |
8531 | for (j = i; j < len; j++) |
8532 | shell_input_line_property[j] = 1; | |
8533 | break; | |
7117c2d2 JA |
8534 | } |
8535 | ||
8536 | shell_input_line_property[i] = mbclen; | |
8537 | } | |
8538 | } | |
8539 | #endif /* HANDLE_MULTIBYTE */ | |
495aee44 | 8540 |