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Commit | Line | Data |
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726f6388 | 1 | /* print_command -- A way to make readable commands from a command tree. */ |
b80f6443 | 2 | |
d233b485 | 3 | /* Copyright (C) 1989-2017 Free Software Foundation, Inc. |
726f6388 | 4 | |
3185942a | 5 | This file is part of GNU Bash, the Bourne Again SHell. |
726f6388 | 6 | |
3185942a JA |
7 | Bash is free software: you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation, either version 3 of the License, or | |
10 | (at your option) any later version. | |
726f6388 | 11 | |
3185942a JA |
12 | Bash is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
726f6388 | 16 | |
3185942a JA |
17 | You should have received a copy of the GNU General Public License |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
726f6388 | 20 | |
ccc6cda3 JA |
21 | #include "config.h" |
22 | ||
726f6388 JA |
23 | #include <stdio.h> |
24 | ||
ccc6cda3 | 25 | #if defined (HAVE_UNISTD_H) |
cce855bc JA |
26 | # ifdef _MINIX |
27 | # include <sys/types.h> | |
28 | # endif | |
ccc6cda3 JA |
29 | # include <unistd.h> |
30 | #endif | |
31 | ||
32 | #if defined (PREFER_STDARG) | |
33 | # include <stdarg.h> | |
34 | #else | |
7117c2d2 | 35 | # include <varargs.h> |
726f6388 JA |
36 | #endif |
37 | ||
ccc6cda3 | 38 | #include "bashansi.h" |
b80f6443 | 39 | #include "bashintl.h" |
726f6388 | 40 | |
d233b485 CR |
41 | #define NEED_XTRACE_SET_DECL |
42 | ||
726f6388 | 43 | #include "shell.h" |
7117c2d2 | 44 | #include "flags.h" |
d166f048 | 45 | #include <y.tab.h> /* use <...> so we pick it up from the build directory */ |
a0c0a00f | 46 | #include "input.h" |
95732b49 JA |
47 | |
48 | #include "shmbutil.h" | |
49 | ||
726f6388 JA |
50 | #include "builtins/common.h" |
51 | ||
f73dda09 | 52 | #if !HAVE_DECL_PRINTF |
726f6388 JA |
53 | extern int printf __P((const char *, ...)); /* Yuck. Double yuck. */ |
54 | #endif | |
55 | ||
ccc6cda3 | 56 | static int indentation; |
726f6388 JA |
57 | static int indentation_amount = 4; |
58 | ||
d166f048 | 59 | #if defined (PREFER_STDARG) |
f73dda09 JA |
60 | typedef void PFUNC __P((const char *, ...)); |
61 | ||
62 | static void cprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
63 | static void xprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
d166f048 | 64 | #else |
f73dda09 | 65 | #define PFUNC VFunction |
d166f048 | 66 | static void cprintf (); |
f73dda09 | 67 | static void xprintf (); |
d166f048 | 68 | #endif |
ccc6cda3 | 69 | |
f73dda09 JA |
70 | static void reset_locals __P((void)); |
71 | static void newline __P((char *)); | |
72 | static void indent __P((int)); | |
73 | static void semicolon __P((void)); | |
74 | static void the_printed_command_resize __P((int)); | |
726f6388 | 75 | |
f73dda09 JA |
76 | static void make_command_string_internal __P((COMMAND *)); |
77 | static void _print_word_list __P((WORD_LIST *, char *, PFUNC *)); | |
78 | static void command_print_word_list __P((WORD_LIST *, char *)); | |
79 | static void print_case_clauses __P((PATTERN_LIST *)); | |
80 | static void print_redirection_list __P((REDIRECT *)); | |
81 | static void print_redirection __P((REDIRECT *)); | |
3185942a JA |
82 | static void print_heredoc_header __P((REDIRECT *)); |
83 | static void print_heredoc_body __P((REDIRECT *)); | |
84 | static void print_heredocs __P((REDIRECT *)); | |
d233b485 | 85 | static void print_heredoc_bodies __P((REDIRECT *)); |
3185942a | 86 | static void print_deferred_heredocs __P((const char *)); |
726f6388 | 87 | |
f73dda09 JA |
88 | static void print_for_command __P((FOR_COM *)); |
89 | #if defined (ARITH_FOR_COMMAND) | |
90 | static void print_arith_for_command __P((ARITH_FOR_COM *)); | |
91 | #endif | |
726f6388 | 92 | #if defined (SELECT_COMMAND) |
f73dda09 | 93 | static void print_select_command __P((SELECT_COM *)); |
726f6388 | 94 | #endif |
f73dda09 JA |
95 | static void print_group_command __P((GROUP_COM *)); |
96 | static void print_case_command __P((CASE_COM *)); | |
97 | static void print_while_command __P((WHILE_COM *)); | |
98 | static void print_until_command __P((WHILE_COM *)); | |
99 | static void print_until_or_while __P((WHILE_COM *, char *)); | |
100 | static void print_if_command __P((IF_COM *)); | |
cce855bc | 101 | #if defined (COND_COMMAND) |
f73dda09 | 102 | static void print_cond_node __P((COND_COM *)); |
bb70624e | 103 | #endif |
f73dda09 | 104 | static void print_function_def __P((FUNCTION_DEF *)); |
726f6388 | 105 | |
d166f048 JA |
106 | #define PRINTED_COMMAND_INITIAL_SIZE 64 |
107 | #define PRINTED_COMMAND_GROW_SIZE 128 | |
726f6388 JA |
108 | |
109 | char *the_printed_command = (char *)NULL; | |
110 | int the_printed_command_size = 0; | |
111 | int command_string_index = 0; | |
112 | ||
0001803f CR |
113 | int xtrace_fd = -1; |
114 | FILE *xtrace_fp = 0; | |
115 | ||
116 | #define CHECK_XTRACE_FP xtrace_fp = (xtrace_fp ? xtrace_fp : stderr) | |
117 | ||
ac50fbac CR |
118 | /* shell expansion characters: used in print_redirection_list */ |
119 | #define EXPCHAR(c) ((c) == '{' || (c) == '~' || (c) == '$' || (c) == '`') | |
120 | ||
30d188c2 CR |
121 | #define PRINT_DEFERRED_HEREDOCS(x) \ |
122 | do { \ | |
123 | if (deferred_heredocs) \ | |
124 | print_deferred_heredocs (x); \ | |
125 | } while (0) | |
126 | ||
726f6388 | 127 | /* Non-zero means the stuff being printed is inside of a function def. */ |
ccc6cda3 JA |
128 | static int inside_function_def; |
129 | static int skip_this_indent; | |
d166f048 | 130 | static int was_heredoc; |
3185942a JA |
131 | static int printing_connection; |
132 | static REDIRECT *deferred_heredocs; | |
726f6388 JA |
133 | |
134 | /* The depth of the group commands that we are currently printing. This | |
135 | includes the group command that is a function body. */ | |
ccc6cda3 | 136 | static int group_command_nesting; |
726f6388 | 137 | |
7117c2d2 | 138 | /* A buffer to indicate the indirection level (PS4) when set -x is enabled. */ |
ac50fbac CR |
139 | static char *indirection_string = 0; |
140 | static int indirection_stringsiz = 0; | |
7117c2d2 | 141 | |
726f6388 JA |
142 | /* Print COMMAND (a command tree) on standard output. */ |
143 | void | |
144 | print_command (command) | |
145 | COMMAND *command; | |
146 | { | |
147 | command_string_index = 0; | |
148 | printf ("%s", make_command_string (command)); | |
149 | } | |
150 | ||
151 | /* Make a string which is the printed representation of the command | |
152 | tree in COMMAND. We return this string. However, the string is | |
153 | not consed, so you have to do that yourself if you want it to | |
154 | remain around. */ | |
155 | char * | |
156 | make_command_string (command) | |
157 | COMMAND *command; | |
158 | { | |
d166f048 | 159 | command_string_index = was_heredoc = 0; |
3185942a | 160 | deferred_heredocs = 0; |
726f6388 JA |
161 | make_command_string_internal (command); |
162 | return (the_printed_command); | |
163 | } | |
164 | ||
165 | /* The internal function. This is the real workhorse. */ | |
166 | static void | |
167 | make_command_string_internal (command) | |
168 | COMMAND *command; | |
169 | { | |
495aee44 | 170 | char s[3]; |
3185942a | 171 | |
ccc6cda3 | 172 | if (command == 0) |
726f6388 JA |
173 | cprintf (""); |
174 | else | |
175 | { | |
176 | if (skip_this_indent) | |
177 | skip_this_indent--; | |
178 | else | |
179 | indent (indentation); | |
180 | ||
ccc6cda3 | 181 | if (command->flags & CMD_TIME_PIPELINE) |
d166f048 JA |
182 | { |
183 | cprintf ("time "); | |
184 | if (command->flags & CMD_TIME_POSIX) | |
185 | cprintf ("-p "); | |
186 | } | |
ccc6cda3 | 187 | |
726f6388 JA |
188 | if (command->flags & CMD_INVERT_RETURN) |
189 | cprintf ("! "); | |
190 | ||
191 | switch (command->type) | |
192 | { | |
193 | case cm_for: | |
194 | print_for_command (command->value.For); | |
195 | break; | |
196 | ||
bb70624e JA |
197 | #if defined (ARITH_FOR_COMMAND) |
198 | case cm_arith_for: | |
199 | print_arith_for_command (command->value.ArithFor); | |
200 | break; | |
201 | #endif | |
202 | ||
726f6388 JA |
203 | #if defined (SELECT_COMMAND) |
204 | case cm_select: | |
205 | print_select_command (command->value.Select); | |
206 | break; | |
207 | #endif | |
208 | ||
209 | case cm_case: | |
210 | print_case_command (command->value.Case); | |
211 | break; | |
212 | ||
213 | case cm_while: | |
214 | print_while_command (command->value.While); | |
215 | break; | |
216 | ||
217 | case cm_until: | |
218 | print_until_command (command->value.While); | |
219 | break; | |
220 | ||
221 | case cm_if: | |
222 | print_if_command (command->value.If); | |
223 | break; | |
224 | ||
cce855bc JA |
225 | #if defined (DPAREN_ARITHMETIC) |
226 | case cm_arith: | |
b80f6443 | 227 | print_arith_command (command->value.Arith->exp); |
cce855bc JA |
228 | break; |
229 | #endif | |
230 | ||
231 | #if defined (COND_COMMAND) | |
232 | case cm_cond: | |
233 | print_cond_command (command->value.Cond); | |
234 | break; | |
235 | #endif | |
236 | ||
726f6388 JA |
237 | case cm_simple: |
238 | print_simple_command (command->value.Simple); | |
239 | break; | |
240 | ||
ccc6cda3 | 241 | case cm_connection: |
726f6388 JA |
242 | |
243 | skip_this_indent++; | |
3185942a | 244 | printing_connection++; |
726f6388 JA |
245 | make_command_string_internal (command->value.Connection->first); |
246 | ||
247 | switch (command->value.Connection->connector) | |
248 | { | |
249 | case '&': | |
250 | case '|': | |
251 | { | |
252 | char c = command->value.Connection->connector; | |
3185942a JA |
253 | |
254 | s[0] = ' '; | |
255 | s[1] = c; | |
256 | s[2] = '\0'; | |
257 | ||
258 | print_deferred_heredocs (s); | |
259 | ||
726f6388 JA |
260 | if (c != '&' || command->value.Connection->second) |
261 | { | |
262 | cprintf (" "); | |
263 | skip_this_indent++; | |
264 | } | |
265 | } | |
266 | break; | |
267 | ||
268 | case AND_AND: | |
3185942a | 269 | print_deferred_heredocs (" && "); |
726f6388 JA |
270 | if (command->value.Connection->second) |
271 | skip_this_indent++; | |
272 | break; | |
273 | ||
274 | case OR_OR: | |
3185942a | 275 | print_deferred_heredocs (" || "); |
726f6388 JA |
276 | if (command->value.Connection->second) |
277 | skip_this_indent++; | |
278 | break; | |
ccc6cda3 | 279 | |
726f6388 | 280 | case ';': |
3185942a | 281 | if (deferred_heredocs == 0) |
17345e5a JA |
282 | { |
283 | if (was_heredoc == 0) | |
284 | cprintf (";"); | |
285 | else | |
286 | was_heredoc = 0; | |
287 | } | |
3185942a | 288 | else |
17345e5a | 289 | print_deferred_heredocs (inside_function_def ? "" : ";"); |
726f6388 JA |
290 | |
291 | if (inside_function_def) | |
292 | cprintf ("\n"); | |
293 | else | |
294 | { | |
295 | cprintf (" "); | |
296 | if (command->value.Connection->second) | |
297 | skip_this_indent++; | |
298 | } | |
299 | break; | |
300 | ||
301 | default: | |
b80f6443 | 302 | cprintf (_("print_command: bad connector `%d'"), |
726f6388 JA |
303 | command->value.Connection->connector); |
304 | break; | |
305 | } | |
306 | ||
307 | make_command_string_internal (command->value.Connection->second); | |
495aee44 | 308 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a | 309 | printing_connection--; |
726f6388 | 310 | break; |
ccc6cda3 | 311 | |
726f6388 JA |
312 | case cm_function_def: |
313 | print_function_def (command->value.Function_def); | |
314 | break; | |
315 | ||
316 | case cm_group: | |
317 | print_group_command (command->value.Group); | |
318 | break; | |
319 | ||
bb70624e JA |
320 | case cm_subshell: |
321 | cprintf ("( "); | |
322 | skip_this_indent++; | |
323 | make_command_string_internal (command->value.Subshell->command); | |
680d15e1 | 324 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
325 | cprintf (" )"); |
326 | break; | |
327 | ||
3185942a JA |
328 | case cm_coproc: |
329 | cprintf ("coproc %s ", command->value.Coproc->name); | |
330 | skip_this_indent++; | |
331 | make_command_string_internal (command->value.Coproc->command); | |
332 | break; | |
333 | ||
726f6388 | 334 | default: |
b72432fd | 335 | command_error ("print_command", CMDERR_BADTYPE, command->type, 0); |
726f6388 JA |
336 | break; |
337 | } | |
338 | ||
726f6388 JA |
339 | |
340 | if (command->redirects) | |
b72432fd JA |
341 | { |
342 | cprintf (" "); | |
343 | print_redirection_list (command->redirects); | |
344 | } | |
726f6388 JA |
345 | } |
346 | } | |
347 | ||
348 | static void | |
349 | _print_word_list (list, separator, pfunc) | |
350 | WORD_LIST *list; | |
351 | char *separator; | |
f73dda09 | 352 | PFUNC *pfunc; |
726f6388 | 353 | { |
ccc6cda3 JA |
354 | WORD_LIST *w; |
355 | ||
356 | for (w = list; w; w = w->next) | |
357 | (*pfunc) ("%s%s", w->word->word, w->next ? separator : ""); | |
726f6388 JA |
358 | } |
359 | ||
ccc6cda3 JA |
360 | void |
361 | print_word_list (list, separator) | |
726f6388 JA |
362 | WORD_LIST *list; |
363 | char *separator; | |
364 | { | |
ccc6cda3 JA |
365 | _print_word_list (list, separator, xprintf); |
366 | } | |
367 | ||
0001803f CR |
368 | void |
369 | xtrace_set (fd, fp) | |
370 | int fd; | |
371 | FILE *fp; | |
372 | { | |
373 | if (fd >= 0 && sh_validfd (fd) == 0) | |
374 | { | |
375 | internal_error (_("xtrace_set: %d: invalid file descriptor"), fd); | |
376 | return; | |
377 | } | |
378 | if (fp == 0) | |
379 | { | |
380 | internal_error (_("xtrace_set: NULL file pointer")); | |
381 | return; | |
382 | } | |
383 | if (fd >= 0 && fileno (fp) != fd) | |
384 | internal_warning (_("xtrace fd (%d) != fileno xtrace fp (%d)"), fd, fileno (fp)); | |
385 | ||
386 | xtrace_fd = fd; | |
387 | xtrace_fp = fp; | |
388 | } | |
389 | ||
390 | void | |
391 | xtrace_init () | |
392 | { | |
393 | xtrace_set (-1, stderr); | |
394 | } | |
395 | ||
396 | void | |
397 | xtrace_reset () | |
398 | { | |
399 | if (xtrace_fd >= 0 && xtrace_fp) | |
400 | { | |
401 | fflush (xtrace_fp); | |
402 | fclose (xtrace_fp); | |
403 | } | |
404 | else if (xtrace_fd >= 0) | |
405 | close (xtrace_fd); | |
406 | ||
407 | xtrace_fd = -1; | |
408 | xtrace_fp = stderr; | |
409 | } | |
410 | ||
411 | void | |
412 | xtrace_fdchk (fd) | |
413 | int fd; | |
414 | { | |
415 | if (fd == xtrace_fd) | |
416 | xtrace_reset (); | |
417 | } | |
418 | ||
7117c2d2 JA |
419 | /* Return a string denoting what our indirection level is. */ |
420 | ||
421 | char * | |
422 | indirection_level_string () | |
423 | { | |
424 | register int i, j; | |
425 | char *ps4; | |
95732b49 | 426 | char ps4_firstc[MB_LEN_MAX+1]; |
ac50fbac | 427 | int ps4_firstc_len, ps4_len, ineed, old; |
7117c2d2 | 428 | |
7117c2d2 | 429 | ps4 = get_string_value ("PS4"); |
ac50fbac CR |
430 | if (indirection_string == 0) |
431 | indirection_string = xmalloc (indirection_stringsiz = 100); | |
432 | indirection_string[0] = '\0'; | |
7117c2d2 JA |
433 | |
434 | if (ps4 == 0 || *ps4 == '\0') | |
435 | return (indirection_string); | |
436 | ||
ac50fbac | 437 | old = change_flag ('x', FLAG_OFF); |
7117c2d2 | 438 | ps4 = decode_prompt_string (ps4); |
ac50fbac CR |
439 | if (old) |
440 | change_flag ('x', FLAG_ON); | |
7117c2d2 | 441 | |
b80f6443 JA |
442 | if (ps4 == 0 || *ps4 == '\0') |
443 | return (indirection_string); | |
444 | ||
95732b49 JA |
445 | #if defined (HANDLE_MULTIBYTE) |
446 | ps4_len = strnlen (ps4, MB_CUR_MAX); | |
447 | ps4_firstc_len = MBLEN (ps4, ps4_len); | |
ac50fbac | 448 | if (ps4_firstc_len == 1 || ps4_firstc_len == 0 || ps4_firstc_len < 0) |
95732b49 JA |
449 | { |
450 | ps4_firstc[0] = ps4[0]; | |
451 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
452 | } | |
453 | else | |
454 | memcpy (ps4_firstc, ps4, ps4_firstc_len); | |
455 | #else | |
456 | ps4_firstc[0] = ps4[0]; | |
457 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
458 | #endif | |
ac50fbac CR |
459 | |
460 | /* Dynamically resize indirection_string so we have room for everything | |
461 | and we don't have to truncate ps4 */ | |
462 | ineed = (ps4_firstc_len * indirection_level) + strlen (ps4); | |
463 | if (ineed > indirection_stringsiz - 1) | |
464 | { | |
465 | indirection_stringsiz = ineed + 1; | |
466 | indirection_string = xrealloc (indirection_string, indirection_stringsiz); | |
467 | } | |
468 | ||
469 | for (i = j = 0; ps4_firstc[0] && j < indirection_level && i < indirection_stringsiz - 1; i += ps4_firstc_len, j++) | |
95732b49 JA |
470 | { |
471 | if (ps4_firstc_len == 1) | |
472 | indirection_string[i] = ps4_firstc[0]; | |
473 | else | |
474 | memcpy (indirection_string+i, ps4_firstc, ps4_firstc_len); | |
475 | } | |
7117c2d2 | 476 | |
ac50fbac | 477 | for (j = ps4_firstc_len; *ps4 && ps4[j] && i < indirection_stringsiz - 1; i++, j++) |
7117c2d2 JA |
478 | indirection_string[i] = ps4[j]; |
479 | ||
480 | indirection_string[i] = '\0'; | |
481 | free (ps4); | |
482 | return (indirection_string); | |
483 | } | |
484 | ||
b80f6443 JA |
485 | void |
486 | xtrace_print_assignment (name, value, assign_list, xflags) | |
487 | char *name, *value; | |
488 | int assign_list, xflags; | |
489 | { | |
490 | char *nval; | |
491 | ||
0001803f CR |
492 | CHECK_XTRACE_FP; |
493 | ||
b80f6443 | 494 | if (xflags) |
0001803f | 495 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 JA |
496 | |
497 | /* VALUE should not be NULL when this is called. */ | |
498 | if (*value == '\0' || assign_list) | |
499 | nval = value; | |
500 | else if (sh_contains_shell_metas (value)) | |
501 | nval = sh_single_quote (value); | |
502 | else if (ansic_shouldquote (value)) | |
503 | nval = ansic_quote (value, 0, (int *)0); | |
504 | else | |
505 | nval = value; | |
506 | ||
507 | if (assign_list) | |
0001803f | 508 | fprintf (xtrace_fp, "%s=(%s)\n", name, nval); |
b80f6443 | 509 | else |
0001803f | 510 | fprintf (xtrace_fp, "%s=%s\n", name, nval); |
b80f6443 JA |
511 | |
512 | if (nval != value) | |
513 | FREE (nval); | |
514 | ||
0001803f | 515 | fflush (xtrace_fp); |
b80f6443 JA |
516 | } |
517 | ||
d233b485 CR |
518 | /* A function to print the words of a simple command when set -x is on. Also used to |
519 | print the word list in a for or select command header; in that case, we suppress | |
520 | quoting the words because they haven't been expanded yet. XTFLAGS&1 means to | |
521 | print $PS4; XTFLAGS&2 means to suppress quoting the words in LIST. */ | |
ccc6cda3 | 522 | void |
b80f6443 | 523 | xtrace_print_word_list (list, xtflags) |
ccc6cda3 | 524 | WORD_LIST *list; |
b80f6443 | 525 | int xtflags; |
ccc6cda3 JA |
526 | { |
527 | WORD_LIST *w; | |
e8ce775d | 528 | char *t, *x; |
ccc6cda3 | 529 | |
0001803f CR |
530 | CHECK_XTRACE_FP; |
531 | ||
a0c0a00f | 532 | if (xtflags&1) |
0001803f | 533 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 | 534 | |
ccc6cda3 JA |
535 | for (w = list; w; w = w->next) |
536 | { | |
537 | t = w->word->word; | |
538 | if (t == 0 || *t == '\0') | |
0001803f | 539 | fprintf (xtrace_fp, "''%s", w->next ? " " : ""); |
a0c0a00f CR |
540 | else if (xtflags & 2) |
541 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); | |
28ef6c31 | 542 | else if (sh_contains_shell_metas (t)) |
e8ce775d | 543 | { |
28ef6c31 | 544 | x = sh_single_quote (t); |
0001803f | 545 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
e8ce775d JA |
546 | free (x); |
547 | } | |
7117c2d2 JA |
548 | else if (ansic_shouldquote (t)) |
549 | { | |
550 | x = ansic_quote (t, 0, (int *)0); | |
0001803f | 551 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
7117c2d2 JA |
552 | free (x); |
553 | } | |
ccc6cda3 | 554 | else |
0001803f | 555 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); |
ccc6cda3 | 556 | } |
0001803f CR |
557 | fprintf (xtrace_fp, "\n"); |
558 | fflush (xtrace_fp); | |
726f6388 JA |
559 | } |
560 | ||
561 | static void | |
562 | command_print_word_list (list, separator) | |
563 | WORD_LIST *list; | |
564 | char *separator; | |
565 | { | |
566 | _print_word_list (list, separator, cprintf); | |
567 | } | |
568 | ||
b80f6443 JA |
569 | void |
570 | print_for_command_head (for_command) | |
726f6388 JA |
571 | FOR_COM *for_command; |
572 | { | |
573 | cprintf ("for %s in ", for_command->name->word); | |
574 | command_print_word_list (for_command->map_list, " "); | |
b80f6443 JA |
575 | } |
576 | ||
577 | void | |
578 | xtrace_print_for_command_head (for_command) | |
579 | FOR_COM *for_command; | |
580 | { | |
0001803f CR |
581 | CHECK_XTRACE_FP; |
582 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
583 | fprintf (xtrace_fp, "for %s in ", for_command->name->word); | |
a0c0a00f | 584 | xtrace_print_word_list (for_command->map_list, 2); |
b80f6443 JA |
585 | } |
586 | ||
587 | static void | |
588 | print_for_command (for_command) | |
589 | FOR_COM *for_command; | |
590 | { | |
591 | print_for_command_head (for_command); | |
726f6388 JA |
592 | cprintf (";"); |
593 | newline ("do\n"); | |
30d188c2 | 594 | |
726f6388 JA |
595 | indentation += indentation_amount; |
596 | make_command_string_internal (for_command->action); | |
30d188c2 | 597 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
598 | semicolon (); |
599 | indentation -= indentation_amount; | |
30d188c2 | 600 | |
726f6388 JA |
601 | newline ("done"); |
602 | } | |
603 | ||
bb70624e JA |
604 | #if defined (ARITH_FOR_COMMAND) |
605 | static void | |
606 | print_arith_for_command (arith_for_command) | |
607 | ARITH_FOR_COM *arith_for_command; | |
608 | { | |
b80f6443 | 609 | cprintf ("for (("); |
bb70624e | 610 | command_print_word_list (arith_for_command->init, " "); |
95732b49 | 611 | cprintf ("; "); |
bb70624e | 612 | command_print_word_list (arith_for_command->test, " "); |
95732b49 | 613 | cprintf ("; "); |
bb70624e | 614 | command_print_word_list (arith_for_command->step, " "); |
b80f6443 | 615 | cprintf ("))"); |
bb70624e JA |
616 | newline ("do\n"); |
617 | indentation += indentation_amount; | |
618 | make_command_string_internal (arith_for_command->action); | |
680d15e1 | 619 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
620 | semicolon (); |
621 | indentation -= indentation_amount; | |
622 | newline ("done"); | |
623 | } | |
624 | #endif /* ARITH_FOR_COMMAND */ | |
625 | ||
726f6388 | 626 | #if defined (SELECT_COMMAND) |
b80f6443 JA |
627 | void |
628 | print_select_command_head (select_command) | |
726f6388 JA |
629 | SELECT_COM *select_command; |
630 | { | |
631 | cprintf ("select %s in ", select_command->name->word); | |
632 | command_print_word_list (select_command->map_list, " "); | |
b80f6443 JA |
633 | } |
634 | ||
635 | void | |
636 | xtrace_print_select_command_head (select_command) | |
637 | SELECT_COM *select_command; | |
638 | { | |
0001803f CR |
639 | CHECK_XTRACE_FP; |
640 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
641 | fprintf (xtrace_fp, "select %s in ", select_command->name->word); | |
a0c0a00f | 642 | xtrace_print_word_list (select_command->map_list, 2); |
b80f6443 JA |
643 | } |
644 | ||
645 | static void | |
646 | print_select_command (select_command) | |
647 | SELECT_COM *select_command; | |
648 | { | |
649 | print_select_command_head (select_command); | |
650 | ||
726f6388 JA |
651 | cprintf (";"); |
652 | newline ("do\n"); | |
653 | indentation += indentation_amount; | |
654 | make_command_string_internal (select_command->action); | |
495aee44 | 655 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
656 | semicolon (); |
657 | indentation -= indentation_amount; | |
658 | newline ("done"); | |
659 | } | |
660 | #endif /* SELECT_COMMAND */ | |
661 | ||
662 | static void | |
663 | print_group_command (group_command) | |
664 | GROUP_COM *group_command; | |
665 | { | |
666 | group_command_nesting++; | |
667 | cprintf ("{ "); | |
668 | ||
ccc6cda3 | 669 | if (inside_function_def == 0) |
726f6388 JA |
670 | skip_this_indent++; |
671 | else | |
672 | { | |
673 | /* This is a group command { ... } inside of a function | |
ccc6cda3 | 674 | definition, and should be printed as a multiline group |
726f6388 JA |
675 | command, using the current indentation. */ |
676 | cprintf ("\n"); | |
677 | indentation += indentation_amount; | |
678 | } | |
679 | ||
680 | make_command_string_internal (group_command->command); | |
680d15e1 | 681 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 | 682 | |
ccc6cda3 | 683 | if (inside_function_def) |
726f6388 | 684 | { |
ccc6cda3 | 685 | cprintf ("\n"); |
726f6388 JA |
686 | indentation -= indentation_amount; |
687 | indent (indentation); | |
726f6388 | 688 | } |
ccc6cda3 JA |
689 | else |
690 | { | |
691 | semicolon (); | |
692 | cprintf (" "); | |
693 | } | |
694 | ||
726f6388 | 695 | cprintf ("}"); |
ccc6cda3 | 696 | |
726f6388 JA |
697 | group_command_nesting--; |
698 | } | |
699 | ||
b80f6443 JA |
700 | void |
701 | print_case_command_head (case_command) | |
702 | CASE_COM *case_command; | |
703 | { | |
704 | cprintf ("case %s in ", case_command->word->word); | |
705 | } | |
706 | ||
707 | void | |
708 | xtrace_print_case_command_head (case_command) | |
709 | CASE_COM *case_command; | |
710 | { | |
0001803f CR |
711 | CHECK_XTRACE_FP; |
712 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
713 | fprintf (xtrace_fp, "case %s in\n", case_command->word->word); | |
b80f6443 JA |
714 | } |
715 | ||
726f6388 JA |
716 | static void |
717 | print_case_command (case_command) | |
718 | CASE_COM *case_command; | |
719 | { | |
b80f6443 JA |
720 | print_case_command_head (case_command); |
721 | ||
726f6388 JA |
722 | if (case_command->clauses) |
723 | print_case_clauses (case_command->clauses); | |
724 | newline ("esac"); | |
725 | } | |
726 | ||
727 | static void | |
728 | print_case_clauses (clauses) | |
729 | PATTERN_LIST *clauses; | |
730 | { | |
731 | indentation += indentation_amount; | |
732 | while (clauses) | |
733 | { | |
734 | newline (""); | |
735 | command_print_word_list (clauses->patterns, " | "); | |
736 | cprintf (")\n"); | |
737 | indentation += indentation_amount; | |
738 | make_command_string_internal (clauses->action); | |
739 | indentation -= indentation_amount; | |
495aee44 | 740 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a JA |
741 | if (clauses->flags & CASEPAT_FALLTHROUGH) |
742 | newline (";&"); | |
743 | else if (clauses->flags & CASEPAT_TESTNEXT) | |
744 | newline (";;&"); | |
745 | else | |
746 | newline (";;"); | |
726f6388 JA |
747 | clauses = clauses->next; |
748 | } | |
749 | indentation -= indentation_amount; | |
750 | } | |
751 | ||
752 | static void | |
753 | print_while_command (while_command) | |
754 | WHILE_COM *while_command; | |
755 | { | |
756 | print_until_or_while (while_command, "while"); | |
757 | } | |
758 | ||
759 | static void | |
760 | print_until_command (while_command) | |
761 | WHILE_COM *while_command; | |
762 | { | |
763 | print_until_or_while (while_command, "until"); | |
764 | } | |
765 | ||
766 | static void | |
767 | print_until_or_while (while_command, which) | |
768 | WHILE_COM *while_command; | |
769 | char *which; | |
770 | { | |
771 | cprintf ("%s ", which); | |
772 | skip_this_indent++; | |
773 | make_command_string_internal (while_command->test); | |
495aee44 | 774 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
775 | semicolon (); |
776 | cprintf (" do\n"); /* was newline ("do\n"); */ | |
777 | indentation += indentation_amount; | |
778 | make_command_string_internal (while_command->action); | |
495aee44 | 779 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
780 | indentation -= indentation_amount; |
781 | semicolon (); | |
782 | newline ("done"); | |
783 | } | |
784 | ||
785 | static void | |
786 | print_if_command (if_command) | |
787 | IF_COM *if_command; | |
788 | { | |
789 | cprintf ("if "); | |
790 | skip_this_indent++; | |
791 | make_command_string_internal (if_command->test); | |
792 | semicolon (); | |
793 | cprintf (" then\n"); | |
794 | indentation += indentation_amount; | |
795 | make_command_string_internal (if_command->true_case); | |
495aee44 | 796 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
797 | indentation -= indentation_amount; |
798 | ||
799 | if (if_command->false_case) | |
800 | { | |
801 | semicolon (); | |
802 | newline ("else\n"); | |
803 | indentation += indentation_amount; | |
804 | make_command_string_internal (if_command->false_case); | |
495aee44 | 805 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
806 | indentation -= indentation_amount; |
807 | } | |
808 | semicolon (); | |
809 | newline ("fi"); | |
810 | } | |
811 | ||
a0c0a00f | 812 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
b80f6443 JA |
813 | void |
814 | print_arith_command (arith_cmd_list) | |
815 | WORD_LIST *arith_cmd_list; | |
cce855bc | 816 | { |
b80f6443 JA |
817 | cprintf ("(("); |
818 | command_print_word_list (arith_cmd_list, " "); | |
819 | cprintf ("))"); | |
cce855bc | 820 | } |
bb70624e | 821 | #endif |
cce855bc JA |
822 | |
823 | #if defined (COND_COMMAND) | |
824 | static void | |
825 | print_cond_node (cond) | |
826 | COND_COM *cond; | |
827 | { | |
828 | if (cond->flags & CMD_INVERT_RETURN) | |
829 | cprintf ("! "); | |
830 | ||
831 | if (cond->type == COND_EXPR) | |
832 | { | |
833 | cprintf ("( "); | |
834 | print_cond_node (cond->left); | |
835 | cprintf (" )"); | |
836 | } | |
837 | else if (cond->type == COND_AND) | |
838 | { | |
839 | print_cond_node (cond->left); | |
840 | cprintf (" && "); | |
841 | print_cond_node (cond->right); | |
842 | } | |
843 | else if (cond->type == COND_OR) | |
844 | { | |
845 | print_cond_node (cond->left); | |
846 | cprintf (" || "); | |
847 | print_cond_node (cond->right); | |
848 | } | |
849 | else if (cond->type == COND_UNARY) | |
850 | { | |
b72432fd | 851 | cprintf ("%s", cond->op->word); |
cce855bc JA |
852 | cprintf (" "); |
853 | print_cond_node (cond->left); | |
854 | } | |
855 | else if (cond->type == COND_BINARY) | |
856 | { | |
857 | print_cond_node (cond->left); | |
858 | cprintf (" "); | |
b72432fd | 859 | cprintf ("%s", cond->op->word); |
cce855bc JA |
860 | cprintf (" "); |
861 | print_cond_node (cond->right); | |
862 | } | |
863 | else if (cond->type == COND_TERM) | |
864 | { | |
b72432fd | 865 | cprintf ("%s", cond->op->word); /* need to add quoting here */ |
cce855bc JA |
866 | } |
867 | } | |
868 | ||
b80f6443 | 869 | void |
cce855bc JA |
870 | print_cond_command (cond) |
871 | COND_COM *cond; | |
872 | { | |
873 | cprintf ("[[ "); | |
874 | print_cond_node (cond); | |
875 | cprintf (" ]]"); | |
876 | } | |
877 | ||
28ef6c31 | 878 | #ifdef DEBUG |
ac50fbac CR |
879 | void |
880 | debug_print_word_list (s, list, sep) | |
881 | char *s; | |
882 | WORD_LIST *list; | |
883 | char *sep; | |
884 | { | |
885 | WORD_LIST *w; | |
886 | ||
887 | if (s) | |
888 | fprintf (stderr, "%s: ", s); | |
889 | for (w = list; w; w = w->next) | |
890 | fprintf (stderr, "%s%s", w->word->word, w->next ? sep : ""); | |
891 | fprintf (stderr, "\n"); | |
892 | } | |
893 | ||
cce855bc JA |
894 | void |
895 | debug_print_cond_command (cond) | |
896 | COND_COM *cond; | |
897 | { | |
898 | fprintf (stderr, "DEBUG: "); | |
899 | command_string_index = 0; | |
900 | print_cond_command (cond); | |
901 | fprintf (stderr, "%s\n", the_printed_command); | |
902 | } | |
28ef6c31 | 903 | #endif |
cce855bc JA |
904 | |
905 | void | |
906 | xtrace_print_cond_term (type, invert, op, arg1, arg2) | |
907 | int type, invert; | |
908 | WORD_DESC *op; | |
909 | char *arg1, *arg2; | |
910 | { | |
0001803f | 911 | CHECK_XTRACE_FP; |
cce855bc | 912 | command_string_index = 0; |
0001803f CR |
913 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
914 | fprintf (xtrace_fp, "[[ "); | |
cce855bc | 915 | if (invert) |
0001803f | 916 | fprintf (xtrace_fp, "! "); |
cce855bc JA |
917 | |
918 | if (type == COND_UNARY) | |
919 | { | |
0001803f CR |
920 | fprintf (xtrace_fp, "%s ", op->word); |
921 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
cce855bc JA |
922 | } |
923 | else if (type == COND_BINARY) | |
924 | { | |
0001803f CR |
925 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); |
926 | fprintf (xtrace_fp, " %s ", op->word); | |
927 | fprintf (xtrace_fp, "%s", (arg2 && *arg2) ? arg2 : "''"); | |
cce855bc JA |
928 | } |
929 | ||
0001803f CR |
930 | fprintf (xtrace_fp, " ]]\n"); |
931 | ||
932 | fflush (xtrace_fp); | |
cce855bc JA |
933 | } |
934 | #endif /* COND_COMMAND */ | |
935 | ||
bb70624e | 936 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
cce855bc JA |
937 | /* A function to print the words of an arithmetic command when set -x is on. */ |
938 | void | |
939 | xtrace_print_arith_cmd (list) | |
940 | WORD_LIST *list; | |
941 | { | |
942 | WORD_LIST *w; | |
943 | ||
0001803f CR |
944 | CHECK_XTRACE_FP; |
945 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
946 | fprintf (xtrace_fp, "(( "); | |
cce855bc | 947 | for (w = list; w; w = w->next) |
0001803f CR |
948 | fprintf (xtrace_fp, "%s%s", w->word->word, w->next ? " " : ""); |
949 | fprintf (xtrace_fp, " ))\n"); | |
950 | ||
951 | fflush (xtrace_fp); | |
cce855bc JA |
952 | } |
953 | #endif | |
954 | ||
726f6388 JA |
955 | void |
956 | print_simple_command (simple_command) | |
957 | SIMPLE_COM *simple_command; | |
958 | { | |
959 | command_print_word_list (simple_command->words, " "); | |
960 | ||
961 | if (simple_command->redirects) | |
962 | { | |
963 | cprintf (" "); | |
964 | print_redirection_list (simple_command->redirects); | |
965 | } | |
966 | } | |
967 | ||
3185942a JA |
968 | static void |
969 | print_heredocs (heredocs) | |
970 | REDIRECT *heredocs; | |
971 | { | |
972 | REDIRECT *hdtail; | |
973 | ||
974 | cprintf (" "); | |
975 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
976 | { | |
977 | print_redirection (hdtail); | |
978 | cprintf ("\n"); | |
979 | } | |
980 | was_heredoc = 1; | |
981 | } | |
982 | ||
d233b485 CR |
983 | static void |
984 | print_heredoc_bodies (heredocs) | |
985 | REDIRECT *heredocs; | |
986 | { | |
987 | REDIRECT *hdtail; | |
988 | ||
989 | cprintf ("\n"); | |
990 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
991 | { | |
992 | print_heredoc_body (hdtail); | |
993 | cprintf ("\n"); | |
994 | } | |
995 | was_heredoc = 1; | |
996 | } | |
997 | ||
3185942a JA |
998 | /* Print heredocs that are attached to the command before the connector |
999 | represented by CSTRING. The parsing semantics require us to print the | |
1000 | here-doc delimiters, then the connector (CSTRING), then the here-doc | |
d233b485 CR |
1001 | bodies. We print the here-doc delimiters in print_redirection_list |
1002 | and print the connector and the bodies here. We don't print the connector | |
1003 | if it's a `;', but we use it to note not to print an extra space after the | |
1004 | last heredoc body and newline. */ | |
3185942a JA |
1005 | static void |
1006 | print_deferred_heredocs (cstring) | |
1007 | const char *cstring; | |
1008 | { | |
d233b485 | 1009 | /* We now print the heredoc headers in print_redirection_list */ |
ac50fbac | 1010 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a | 1011 | cprintf ("%s", cstring); |
3185942a JA |
1012 | if (deferred_heredocs) |
1013 | { | |
d233b485 | 1014 | print_heredoc_bodies (deferred_heredocs); |
17345e5a | 1015 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a JA |
1016 | cprintf (" "); /* make sure there's at least one space */ |
1017 | dispose_redirects (deferred_heredocs); | |
17345e5a | 1018 | was_heredoc = 1; |
3185942a JA |
1019 | } |
1020 | deferred_heredocs = (REDIRECT *)NULL; | |
1021 | } | |
1022 | ||
726f6388 JA |
1023 | static void |
1024 | print_redirection_list (redirects) | |
1025 | REDIRECT *redirects; | |
1026 | { | |
d166f048 | 1027 | REDIRECT *heredocs, *hdtail, *newredir; |
ac50fbac | 1028 | char *rw; |
d166f048 JA |
1029 | |
1030 | heredocs = (REDIRECT *)NULL; | |
1031 | hdtail = heredocs; | |
1032 | ||
1033 | was_heredoc = 0; | |
726f6388 JA |
1034 | while (redirects) |
1035 | { | |
d233b485 CR |
1036 | /* Defer printing the here document bodiess until we've printed the rest of the |
1037 | redirections, but print the headers in the order they're given. */ | |
d166f048 JA |
1038 | if (redirects->instruction == r_reading_until || redirects->instruction == r_deblank_reading_until) |
1039 | { | |
1040 | newredir = copy_redirect (redirects); | |
1041 | newredir->next = (REDIRECT *)NULL; | |
d233b485 CR |
1042 | |
1043 | print_heredoc_header (newredir); | |
1044 | ||
d166f048 JA |
1045 | if (heredocs) |
1046 | { | |
1047 | hdtail->next = newredir; | |
1048 | hdtail = newredir; | |
1049 | } | |
1050 | else | |
1051 | hdtail = heredocs = newredir; | |
1052 | } | |
ac50fbac | 1053 | else if (redirects->instruction == r_duplicating_output_word && (redirects->flags & REDIR_VARASSIGN) == 0 && redirects->redirector.dest == 1) |
b80f6443 JA |
1054 | { |
1055 | /* Temporarily translate it as the execution code does. */ | |
ac50fbac CR |
1056 | rw = redirects->redirectee.filename->word; |
1057 | if (rw && *rw != '-' && DIGIT (*rw) == 0 && EXPCHAR (*rw) == 0) | |
1058 | redirects->instruction = r_err_and_out; | |
b80f6443 JA |
1059 | print_redirection (redirects); |
1060 | redirects->instruction = r_duplicating_output_word; | |
1061 | } | |
d166f048 JA |
1062 | else |
1063 | print_redirection (redirects); | |
1064 | ||
726f6388 JA |
1065 | redirects = redirects->next; |
1066 | if (redirects) | |
1067 | cprintf (" "); | |
1068 | } | |
d166f048 JA |
1069 | |
1070 | /* Now that we've printed all the other redirections (on one line), | |
d233b485 CR |
1071 | print the here documents. If we're printing a connection, we wait until |
1072 | we print the connector symbol, then we print the here document bodies */ | |
3185942a JA |
1073 | if (heredocs && printing_connection) |
1074 | deferred_heredocs = heredocs; | |
1075 | else if (heredocs) | |
d166f048 | 1076 | { |
d233b485 | 1077 | print_heredoc_bodies (heredocs); |
d166f048 | 1078 | dispose_redirects (heredocs); |
d166f048 | 1079 | } |
726f6388 JA |
1080 | } |
1081 | ||
3185942a JA |
1082 | static void |
1083 | print_heredoc_header (redirect) | |
1084 | REDIRECT *redirect; | |
1085 | { | |
1086 | int kill_leading; | |
1087 | char *x; | |
1088 | ||
1089 | kill_leading = redirect->instruction == r_deblank_reading_until; | |
1090 | ||
1091 | /* Here doc header */ | |
0001803f CR |
1092 | if (redirect->rflags & REDIR_VARASSIGN) |
1093 | cprintf ("{%s}", redirect->redirector.filename->word); | |
1094 | else if (redirect->redirector.dest != 0) | |
1095 | cprintf ("%d", redirect->redirector.dest); | |
3185942a JA |
1096 | |
1097 | /* If the here document delimiter is quoted, single-quote it. */ | |
1098 | if (redirect->redirectee.filename->flags & W_QUOTED) | |
1099 | { | |
1100 | x = sh_single_quote (redirect->here_doc_eof); | |
1101 | cprintf ("<<%s%s", kill_leading ? "-" : "", x); | |
1102 | free (x); | |
1103 | } | |
1104 | else | |
1105 | cprintf ("<<%s%s", kill_leading ? "-" : "", redirect->here_doc_eof); | |
1106 | } | |
1107 | ||
1108 | static void | |
1109 | print_heredoc_body (redirect) | |
1110 | REDIRECT *redirect; | |
1111 | { | |
1112 | /* Here doc body */ | |
1113 | cprintf ("%s%s", redirect->redirectee.filename->word, redirect->here_doc_eof); | |
1114 | } | |
1115 | ||
726f6388 JA |
1116 | static void |
1117 | print_redirection (redirect) | |
1118 | REDIRECT *redirect; | |
1119 | { | |
495aee44 | 1120 | int redirector, redir_fd; |
0001803f | 1121 | WORD_DESC *redirectee, *redir_word; |
d166f048 | 1122 | |
d166f048 | 1123 | redirectee = redirect->redirectee.filename; |
d166f048 | 1124 | redir_fd = redirect->redirectee.dest; |
726f6388 | 1125 | |
0001803f CR |
1126 | redir_word = redirect->redirector.filename; |
1127 | redirector = redirect->redirector.dest; | |
1128 | ||
726f6388 JA |
1129 | switch (redirect->instruction) |
1130 | { | |
0001803f CR |
1131 | case r_input_direction: |
1132 | if (redirect->rflags & REDIR_VARASSIGN) | |
1133 | cprintf ("{%s}", redir_word->word); | |
1134 | else if (redirector != 0) | |
726f6388 | 1135 | cprintf ("%d", redirector); |
0001803f | 1136 | cprintf ("< %s", redirectee->word); |
726f6388 JA |
1137 | break; |
1138 | ||
0001803f CR |
1139 | case r_output_direction: |
1140 | if (redirect->rflags & REDIR_VARASSIGN) | |
1141 | cprintf ("{%s}", redir_word->word); | |
1142 | else if (redirector != 1) | |
726f6388 | 1143 | cprintf ("%d", redirector); |
0001803f | 1144 | cprintf ("> %s", redirectee->word); |
726f6388 JA |
1145 | break; |
1146 | ||
1147 | case r_inputa_direction: /* Redirection created by the shell. */ | |
1148 | cprintf ("&"); | |
1149 | break; | |
1150 | ||
0001803f CR |
1151 | case r_output_force: |
1152 | if (redirect->rflags & REDIR_VARASSIGN) | |
1153 | cprintf ("{%s}", redir_word->word); | |
1154 | else if (redirector != 1) | |
1155 | cprintf ("%d", redirector); | |
ac50fbac | 1156 | cprintf (">| %s", redirectee->word); |
0001803f CR |
1157 | break; |
1158 | ||
726f6388 | 1159 | case r_appending_to: |
0001803f CR |
1160 | if (redirect->rflags & REDIR_VARASSIGN) |
1161 | cprintf ("{%s}", redir_word->word); | |
1162 | else if (redirector != 1) | |
726f6388 | 1163 | cprintf ("%d", redirector); |
0628567a | 1164 | cprintf (">> %s", redirectee->word); |
726f6388 JA |
1165 | break; |
1166 | ||
0001803f CR |
1167 | case r_input_output: |
1168 | if (redirect->rflags & REDIR_VARASSIGN) | |
1169 | cprintf ("{%s}", redir_word->word); | |
1170 | else if (redirector != 1) | |
1171 | cprintf ("%d", redirector); | |
1172 | cprintf ("<> %s", redirectee->word); | |
1173 | break; | |
1174 | ||
726f6388 | 1175 | case r_deblank_reading_until: |
726f6388 | 1176 | case r_reading_until: |
3185942a JA |
1177 | print_heredoc_header (redirect); |
1178 | cprintf ("\n"); | |
1179 | print_heredoc_body (redirect); | |
726f6388 JA |
1180 | break; |
1181 | ||
7117c2d2 | 1182 | case r_reading_string: |
0001803f CR |
1183 | if (redirect->rflags & REDIR_VARASSIGN) |
1184 | cprintf ("{%s}", redir_word->word); | |
1185 | else if (redirector != 0) | |
7117c2d2 | 1186 | cprintf ("%d", redirector); |
495aee44 CR |
1187 | #if 0 |
1188 | /* Don't need to check whether or not to requote, since original quotes | |
1189 | are still intact. The only thing that has happened is that $'...' | |
1190 | has been replaced with 'expanded ...'. */ | |
7117c2d2 JA |
1191 | if (ansic_shouldquote (redirect->redirectee.filename->word)) |
1192 | { | |
1193 | char *x; | |
1194 | x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0); | |
1195 | cprintf ("<<< %s", x); | |
1196 | free (x); | |
1197 | } | |
1198 | else | |
495aee44 | 1199 | #endif |
7117c2d2 JA |
1200 | cprintf ("<<< %s", redirect->redirectee.filename->word); |
1201 | break; | |
1202 | ||
726f6388 | 1203 | case r_duplicating_input: |
0001803f CR |
1204 | if (redirect->rflags & REDIR_VARASSIGN) |
1205 | cprintf ("{%s}<&%d", redir_word->word, redir_fd); | |
1206 | else | |
1207 | cprintf ("%d<&%d", redirector, redir_fd); | |
726f6388 JA |
1208 | break; |
1209 | ||
1210 | case r_duplicating_output: | |
0001803f CR |
1211 | if (redirect->rflags & REDIR_VARASSIGN) |
1212 | cprintf ("{%s}>&%d", redir_word->word, redir_fd); | |
1213 | else | |
1214 | cprintf ("%d>&%d", redirector, redir_fd); | |
726f6388 JA |
1215 | break; |
1216 | ||
1217 | case r_duplicating_input_word: | |
0001803f CR |
1218 | if (redirect->rflags & REDIR_VARASSIGN) |
1219 | cprintf ("{%s}<&%s", redir_word->word, redirectee->word); | |
1220 | else | |
1221 | cprintf ("%d<&%s", redirector, redirectee->word); | |
726f6388 JA |
1222 | break; |
1223 | ||
1224 | case r_duplicating_output_word: | |
0001803f CR |
1225 | if (redirect->rflags & REDIR_VARASSIGN) |
1226 | cprintf ("{%s}>&%s", redir_word->word, redirectee->word); | |
1227 | else | |
1228 | cprintf ("%d>&%s", redirector, redirectee->word); | |
726f6388 JA |
1229 | break; |
1230 | ||
7117c2d2 | 1231 | case r_move_input: |
0001803f CR |
1232 | if (redirect->rflags & REDIR_VARASSIGN) |
1233 | cprintf ("{%s}<&%d-", redir_word->word, redir_fd); | |
1234 | else | |
1235 | cprintf ("%d<&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1236 | break; |
1237 | ||
1238 | case r_move_output: | |
0001803f CR |
1239 | if (redirect->rflags & REDIR_VARASSIGN) |
1240 | cprintf ("{%s}>&%d-", redir_word->word, redir_fd); | |
1241 | else | |
1242 | cprintf ("%d>&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1243 | break; |
1244 | ||
1245 | case r_move_input_word: | |
0001803f CR |
1246 | if (redirect->rflags & REDIR_VARASSIGN) |
1247 | cprintf ("{%s}<&%s-", redir_word->word, redirectee->word); | |
1248 | else | |
1249 | cprintf ("%d<&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1250 | break; |
1251 | ||
1252 | case r_move_output_word: | |
0001803f CR |
1253 | if (redirect->rflags & REDIR_VARASSIGN) |
1254 | cprintf ("{%s}>&%s-", redir_word->word, redirectee->word); | |
1255 | else | |
1256 | cprintf ("%d>&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1257 | break; |
1258 | ||
726f6388 | 1259 | case r_close_this: |
0001803f CR |
1260 | if (redirect->rflags & REDIR_VARASSIGN) |
1261 | cprintf ("{%s}>&-", redir_word->word); | |
1262 | else | |
1263 | cprintf ("%d>&-", redirector); | |
726f6388 JA |
1264 | break; |
1265 | ||
1266 | case r_err_and_out: | |
ac50fbac | 1267 | cprintf ("&> %s", redirectee->word); |
3185942a JA |
1268 | break; |
1269 | ||
1270 | case r_append_err_and_out: | |
ac50fbac | 1271 | cprintf ("&>> %s", redirectee->word); |
726f6388 | 1272 | break; |
726f6388 JA |
1273 | } |
1274 | } | |
1275 | ||
1276 | static void | |
1277 | reset_locals () | |
1278 | { | |
1279 | inside_function_def = 0; | |
1280 | indentation = 0; | |
3185942a JA |
1281 | printing_connection = 0; |
1282 | deferred_heredocs = 0; | |
726f6388 JA |
1283 | } |
1284 | ||
1285 | static void | |
1286 | print_function_def (func) | |
1287 | FUNCTION_DEF *func; | |
1288 | { | |
bb70624e JA |
1289 | COMMAND *cmdcopy; |
1290 | REDIRECT *func_redirects; | |
1291 | ||
f73dda09 | 1292 | func_redirects = NULL; |
a0c0a00f CR |
1293 | /* When in posix mode, print functions as posix specifies them. */ |
1294 | if (posixly_correct == 0) | |
1295 | cprintf ("function %s () \n", func->name->word); | |
1296 | else | |
1297 | cprintf ("%s () \n", func->name->word); | |
726f6388 JA |
1298 | add_unwind_protect (reset_locals, 0); |
1299 | ||
1300 | indent (indentation); | |
1301 | cprintf ("{ \n"); | |
1302 | ||
1303 | inside_function_def++; | |
1304 | indentation += indentation_amount; | |
1305 | ||
bb70624e JA |
1306 | cmdcopy = copy_command (func->command); |
1307 | if (cmdcopy->type == cm_group) | |
1308 | { | |
28ef6c31 JA |
1309 | func_redirects = cmdcopy->redirects; |
1310 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1311 | } |
1312 | make_command_string_internal (cmdcopy->type == cm_group | |
1313 | ? cmdcopy->value.Group->command | |
1314 | : cmdcopy); | |
ac50fbac | 1315 | /* XXX - PRINT_DEFERRED_HEREDOCS (""); ? */ |
ccc6cda3 | 1316 | |
726f6388 JA |
1317 | remove_unwind_protect (); |
1318 | indentation -= indentation_amount; | |
1319 | inside_function_def--; | |
1320 | ||
bb70624e JA |
1321 | if (func_redirects) |
1322 | { /* { */ | |
1323 | newline ("} "); | |
1324 | print_redirection_list (func_redirects); | |
28ef6c31 | 1325 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1326 | } |
1327 | else | |
1328 | newline ("}"); | |
1329 | ||
1330 | dispose_command (cmdcopy); | |
726f6388 JA |
1331 | } |
1332 | ||
1333 | /* Return the string representation of the named function. | |
1334 | NAME is the name of the function. | |
1335 | COMMAND is the function body. It should be a GROUP_COM. | |
3185942a JA |
1336 | flags&FUNC_MULTILINE is non-zero to pretty-print, or zero for all on one line. |
1337 | flags&FUNC_EXTERNAL means convert from internal to external form | |
726f6388 JA |
1338 | */ |
1339 | char * | |
3185942a | 1340 | named_function_string (name, command, flags) |
726f6388 JA |
1341 | char *name; |
1342 | COMMAND *command; | |
3185942a | 1343 | int flags; |
726f6388 JA |
1344 | { |
1345 | char *result; | |
ccc6cda3 | 1346 | int old_indent, old_amount; |
bb70624e JA |
1347 | COMMAND *cmdcopy; |
1348 | REDIRECT *func_redirects; | |
726f6388 | 1349 | |
ccc6cda3 JA |
1350 | old_indent = indentation; |
1351 | old_amount = indentation_amount; | |
d166f048 | 1352 | command_string_index = was_heredoc = 0; |
3185942a | 1353 | deferred_heredocs = 0; |
726f6388 JA |
1354 | |
1355 | if (name && *name) | |
a0c0a00f CR |
1356 | { |
1357 | if (find_reserved_word (name) >= 0) | |
1358 | cprintf ("function "); | |
1359 | cprintf ("%s ", name); | |
1360 | } | |
726f6388 JA |
1361 | |
1362 | cprintf ("() "); | |
1363 | ||
3185942a | 1364 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1365 | { |
1366 | indentation = 1; | |
1367 | indentation_amount = 0; | |
1368 | } | |
1369 | else | |
1370 | { | |
1371 | cprintf ("\n"); | |
1372 | indentation += indentation_amount; | |
1373 | } | |
1374 | ||
1375 | inside_function_def++; | |
1376 | ||
3185942a | 1377 | cprintf ((flags & FUNC_MULTILINE) ? "{ \n" : "{ "); |
726f6388 | 1378 | |
bb70624e JA |
1379 | cmdcopy = copy_command (command); |
1380 | /* Take any redirections specified in the function definition (which should | |
1381 | apply to the function as a whole) and save them for printing later. */ | |
1382 | func_redirects = (REDIRECT *)NULL; | |
1383 | if (cmdcopy->type == cm_group) | |
1384 | { | |
28ef6c31 JA |
1385 | func_redirects = cmdcopy->redirects; |
1386 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1387 | } |
1388 | make_command_string_internal (cmdcopy->type == cm_group | |
1389 | ? cmdcopy->value.Group->command | |
1390 | : cmdcopy); | |
ac50fbac | 1391 | /* XXX - PRINT_DEFERRED_HEREDOCS (""); ? */ |
726f6388 JA |
1392 | |
1393 | indentation = old_indent; | |
1394 | indentation_amount = old_amount; | |
1395 | inside_function_def--; | |
1396 | ||
bb70624e JA |
1397 | if (func_redirects) |
1398 | { /* { */ | |
1399 | newline ("} "); | |
1400 | print_redirection_list (func_redirects); | |
28ef6c31 | 1401 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1402 | } |
1403 | else | |
1404 | newline ("}"); | |
726f6388 JA |
1405 | |
1406 | result = the_printed_command; | |
1407 | ||
3185942a | 1408 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1409 | { |
1410 | #if 0 | |
1411 | register int i; | |
1412 | for (i = 0; result[i]; i++) | |
1413 | if (result[i] == '\n') | |
1414 | { | |
1415 | strcpy (result + i, result + i + 1); | |
1416 | --i; | |
1417 | } | |
1418 | #else | |
1419 | if (result[2] == '\n') /* XXX -- experimental */ | |
d233b485 | 1420 | memmove (result + 2, result + 3, strlen (result) - 2); |
726f6388 JA |
1421 | #endif |
1422 | } | |
1423 | ||
bb70624e JA |
1424 | dispose_command (cmdcopy); |
1425 | ||
3185942a JA |
1426 | if (flags & FUNC_EXTERNAL) |
1427 | result = remove_quoted_escapes (result); | |
1428 | ||
726f6388 JA |
1429 | return (result); |
1430 | } | |
1431 | ||
1432 | static void | |
1433 | newline (string) | |
1434 | char *string; | |
1435 | { | |
1436 | cprintf ("\n"); | |
1437 | indent (indentation); | |
1438 | if (string && *string) | |
1439 | cprintf ("%s", string); | |
1440 | } | |
1441 | ||
ccc6cda3 JA |
1442 | static char *indentation_string; |
1443 | static int indentation_size; | |
1444 | ||
726f6388 JA |
1445 | static void |
1446 | indent (amount) | |
1447 | int amount; | |
1448 | { | |
ccc6cda3 JA |
1449 | register int i; |
1450 | ||
1451 | RESIZE_MALLOCED_BUFFER (indentation_string, 0, amount, indentation_size, 16); | |
1452 | ||
1453 | for (i = 0; amount > 0; amount--) | |
1454 | indentation_string[i++] = ' '; | |
1455 | indentation_string[i] = '\0'; | |
ac50fbac | 1456 | cprintf ("%s", indentation_string); |
726f6388 JA |
1457 | } |
1458 | ||
1459 | static void | |
1460 | semicolon () | |
1461 | { | |
7117c2d2 JA |
1462 | if (command_string_index > 0 && |
1463 | (the_printed_command[command_string_index - 1] == '&' || | |
0001803f | 1464 | the_printed_command[command_string_index - 1] == '\n')) |
726f6388 JA |
1465 | return; |
1466 | cprintf (";"); | |
1467 | } | |
1468 | ||
726f6388 JA |
1469 | /* How to make the string. */ |
1470 | static void | |
ccc6cda3 | 1471 | #if defined (PREFER_STDARG) |
f73dda09 | 1472 | cprintf (const char *control, ...) |
ccc6cda3 JA |
1473 | #else |
1474 | cprintf (control, va_alist) | |
f73dda09 | 1475 | const char *control; |
726f6388 | 1476 | va_dcl |
ccc6cda3 | 1477 | #endif |
726f6388 | 1478 | { |
f73dda09 | 1479 | register const char *s; |
d233b485 | 1480 | char char_arg[2], *argp, intbuf[INT_STRLEN_BOUND (unsigned int) + 1]; |
726f6388 JA |
1481 | int digit_arg, arg_len, c; |
1482 | va_list args; | |
1483 | ||
7117c2d2 | 1484 | SH_VA_START (args, control); |
726f6388 JA |
1485 | |
1486 | arg_len = strlen (control); | |
1487 | the_printed_command_resize (arg_len + 1); | |
1488 | ||
1489 | char_arg[1] = '\0'; | |
1490 | s = control; | |
1491 | while (s && *s) | |
1492 | { | |
726f6388 | 1493 | c = *s++; |
ccc6cda3 | 1494 | argp = (char *)NULL; |
726f6388 JA |
1495 | if (c != '%' || !*s) |
1496 | { | |
f73dda09 JA |
1497 | char_arg[0] = c; |
1498 | argp = char_arg; | |
726f6388 JA |
1499 | arg_len = 1; |
1500 | } | |
1501 | else | |
1502 | { | |
1503 | c = *s++; | |
1504 | switch (c) | |
1505 | { | |
1506 | case '%': | |
1507 | char_arg[0] = c; | |
1508 | argp = char_arg; | |
1509 | arg_len = 1; | |
1510 | break; | |
1511 | ||
1512 | case 's': | |
1513 | argp = va_arg (args, char *); | |
1514 | arg_len = strlen (argp); | |
1515 | break; | |
1516 | ||
1517 | case 'd': | |
f73dda09 JA |
1518 | /* Represent an out-of-range file descriptor with an out-of-range |
1519 | integer value. We can do this because the only use of `%d' in | |
1520 | the calls to cprintf is to output a file descriptor number for | |
1521 | a redirection. */ | |
726f6388 | 1522 | digit_arg = va_arg (args, int); |
f73dda09 JA |
1523 | if (digit_arg < 0) |
1524 | { | |
d233b485 | 1525 | sprintf (intbuf, "%u", (unsigned int)-1); |
f73dda09 JA |
1526 | argp = intbuf; |
1527 | } | |
1528 | else | |
0001803f | 1529 | argp = inttostr (digit_arg, intbuf, sizeof (intbuf)); |
726f6388 | 1530 | arg_len = strlen (argp); |
726f6388 JA |
1531 | break; |
1532 | ||
1533 | case 'c': | |
1534 | char_arg[0] = va_arg (args, int); | |
1535 | argp = char_arg; | |
1536 | arg_len = 1; | |
1537 | break; | |
1538 | ||
1539 | default: | |
b80f6443 | 1540 | programming_error (_("cprintf: `%c': invalid format character"), c); |
ccc6cda3 | 1541 | /*NOTREACHED*/ |
726f6388 JA |
1542 | } |
1543 | } | |
1544 | ||
ccc6cda3 | 1545 | if (argp && arg_len) |
726f6388 JA |
1546 | { |
1547 | the_printed_command_resize (arg_len + 1); | |
1548 | FASTCOPY (argp, the_printed_command + command_string_index, arg_len); | |
1549 | command_string_index += arg_len; | |
726f6388 JA |
1550 | } |
1551 | } | |
1552 | ||
ac50fbac CR |
1553 | va_end (args); |
1554 | ||
726f6388 JA |
1555 | the_printed_command[command_string_index] = '\0'; |
1556 | } | |
726f6388 JA |
1557 | |
1558 | /* Ensure that there is enough space to stuff LENGTH characters into | |
1559 | THE_PRINTED_COMMAND. */ | |
1560 | static void | |
1561 | the_printed_command_resize (length) | |
1562 | int length; | |
1563 | { | |
d166f048 | 1564 | if (the_printed_command == 0) |
726f6388 | 1565 | { |
d166f048 | 1566 | the_printed_command_size = (length + PRINTED_COMMAND_INITIAL_SIZE - 1) & ~(PRINTED_COMMAND_INITIAL_SIZE - 1); |
f73dda09 | 1567 | the_printed_command = (char *)xmalloc (the_printed_command_size); |
726f6388 JA |
1568 | command_string_index = 0; |
1569 | } | |
1570 | else if ((command_string_index + length) >= the_printed_command_size) | |
1571 | { | |
1572 | int new; | |
1573 | new = command_string_index + length + 1; | |
bb70624e | 1574 | |
d166f048 JA |
1575 | /* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */ |
1576 | new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1); | |
726f6388 | 1577 | the_printed_command_size = new; |
bb70624e | 1578 | |
f73dda09 | 1579 | the_printed_command = (char *)xrealloc (the_printed_command, the_printed_command_size); |
726f6388 JA |
1580 | } |
1581 | } | |
ccc6cda3 | 1582 | |
f73dda09 JA |
1583 | #if defined (HAVE_VPRINTF) |
1584 | /* ``If vprintf is available, you may assume that vfprintf and vsprintf are | |
1585 | also available.'' */ | |
ccc6cda3 JA |
1586 | |
1587 | static void | |
d166f048 JA |
1588 | #if defined (PREFER_STDARG) |
1589 | xprintf (const char *format, ...) | |
1590 | #else | |
1591 | xprintf (format, va_alist) | |
1592 | const char *format; | |
ccc6cda3 | 1593 | va_dcl |
d166f048 | 1594 | #endif |
ccc6cda3 JA |
1595 | { |
1596 | va_list args; | |
ccc6cda3 | 1597 | |
7117c2d2 | 1598 | SH_VA_START (args, format); |
d166f048 | 1599 | |
ccc6cda3 JA |
1600 | vfprintf (stdout, format, args); |
1601 | va_end (args); | |
1602 | } | |
1603 | ||
1604 | #else | |
1605 | ||
1606 | static void | |
1607 | xprintf (format, arg1, arg2, arg3, arg4, arg5) | |
f73dda09 | 1608 | const char *format; |
ccc6cda3 JA |
1609 | { |
1610 | printf (format, arg1, arg2, arg3, arg4, arg5); | |
1611 | } | |
1612 | ||
f73dda09 | 1613 | #endif /* !HAVE_VPRINTF */ |