]>
Commit | Line | Data |
---|---|---|
726f6388 | 1 | /* print_command -- A way to make readable commands from a command tree. */ |
b80f6443 | 2 | |
74091dd4 | 3 | /* Copyright (C) 1989-2022 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 |
8868edaf | 53 | extern int printf PARAMS((const char *, ...)); /* Yuck. Double yuck. */ |
726f6388 JA |
54 | #endif |
55 | ||
ccc6cda3 | 56 | static int indentation; |
726f6388 JA |
57 | static int indentation_amount = 4; |
58 | ||
d166f048 | 59 | #if defined (PREFER_STDARG) |
8868edaf | 60 | typedef void PFUNC PARAMS((const char *, ...)); |
f73dda09 | 61 | |
8868edaf CR |
62 | static void cprintf PARAMS((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); |
63 | static void xprintf PARAMS((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 | |
8868edaf CR |
70 | static void reset_locals PARAMS((void)); |
71 | static void newline PARAMS((char *)); | |
72 | static void indent PARAMS((int)); | |
73 | static void semicolon PARAMS((void)); | |
74 | static void the_printed_command_resize PARAMS((int)); | |
75 | ||
76 | static void make_command_string_internal PARAMS((COMMAND *)); | |
77 | static void _print_word_list PARAMS((WORD_LIST *, char *, PFUNC *)); | |
78 | static void command_print_word_list PARAMS((WORD_LIST *, char *)); | |
79 | static void print_case_clauses PARAMS((PATTERN_LIST *)); | |
80 | static void print_redirection_list PARAMS((REDIRECT *)); | |
81 | static void print_redirection PARAMS((REDIRECT *)); | |
82 | static void print_heredoc_header PARAMS((REDIRECT *)); | |
83 | static void print_heredoc_body PARAMS((REDIRECT *)); | |
84 | static void print_heredocs PARAMS((REDIRECT *)); | |
85 | static void print_heredoc_bodies PARAMS((REDIRECT *)); | |
86 | static void print_deferred_heredocs PARAMS((const char *)); | |
87 | ||
88 | static void print_for_command PARAMS((FOR_COM *)); | |
f73dda09 | 89 | #if defined (ARITH_FOR_COMMAND) |
8868edaf | 90 | static void print_arith_for_command PARAMS((ARITH_FOR_COM *)); |
f73dda09 | 91 | #endif |
726f6388 | 92 | #if defined (SELECT_COMMAND) |
8868edaf | 93 | static void print_select_command PARAMS((SELECT_COM *)); |
726f6388 | 94 | #endif |
8868edaf CR |
95 | static void print_group_command PARAMS((GROUP_COM *)); |
96 | static void print_case_command PARAMS((CASE_COM *)); | |
97 | static void print_while_command PARAMS((WHILE_COM *)); | |
98 | static void print_until_command PARAMS((WHILE_COM *)); | |
99 | static void print_until_or_while PARAMS((WHILE_COM *, char *)); | |
100 | static void print_if_command PARAMS((IF_COM *)); | |
cce855bc | 101 | #if defined (COND_COMMAND) |
8868edaf | 102 | static void print_cond_node PARAMS((COND_COM *)); |
bb70624e | 103 | #endif |
8868edaf | 104 | static void print_function_def PARAMS((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 | 131 | static int printing_connection; |
74091dd4 | 132 | static int printing_comsub; |
3185942a | 133 | static REDIRECT *deferred_heredocs; |
726f6388 JA |
134 | |
135 | /* The depth of the group commands that we are currently printing. This | |
136 | includes the group command that is a function body. */ | |
ccc6cda3 | 137 | static int group_command_nesting; |
726f6388 | 138 | |
7117c2d2 | 139 | /* A buffer to indicate the indirection level (PS4) when set -x is enabled. */ |
ac50fbac CR |
140 | static char *indirection_string = 0; |
141 | static int indirection_stringsiz = 0; | |
7117c2d2 | 142 | |
726f6388 JA |
143 | /* Print COMMAND (a command tree) on standard output. */ |
144 | void | |
145 | print_command (command) | |
146 | COMMAND *command; | |
147 | { | |
148 | command_string_index = 0; | |
149 | printf ("%s", make_command_string (command)); | |
150 | } | |
151 | ||
152 | /* Make a string which is the printed representation of the command | |
153 | tree in COMMAND. We return this string. However, the string is | |
154 | not consed, so you have to do that yourself if you want it to | |
155 | remain around. */ | |
156 | char * | |
157 | make_command_string (command) | |
158 | COMMAND *command; | |
159 | { | |
d166f048 | 160 | command_string_index = was_heredoc = 0; |
3185942a | 161 | deferred_heredocs = 0; |
726f6388 JA |
162 | make_command_string_internal (command); |
163 | return (the_printed_command); | |
164 | } | |
165 | ||
74091dd4 CR |
166 | /* Print a command substitution after parsing it in parse_comsub to turn it |
167 | back into an external representation without turning newlines into `;'. | |
168 | Placeholder for other changes, if any are necessary. */ | |
169 | char * | |
170 | print_comsub (command) | |
171 | COMMAND *command; | |
172 | { | |
173 | char *ret; | |
174 | ||
175 | printing_comsub++; | |
176 | ret = make_command_string (command); | |
177 | printing_comsub--; | |
178 | return ret; | |
179 | } | |
180 | ||
726f6388 JA |
181 | /* The internal function. This is the real workhorse. */ |
182 | static void | |
183 | make_command_string_internal (command) | |
184 | COMMAND *command; | |
185 | { | |
495aee44 | 186 | char s[3]; |
3185942a | 187 | |
ccc6cda3 | 188 | if (command == 0) |
726f6388 JA |
189 | cprintf (""); |
190 | else | |
191 | { | |
192 | if (skip_this_indent) | |
193 | skip_this_indent--; | |
194 | else | |
195 | indent (indentation); | |
196 | ||
ccc6cda3 | 197 | if (command->flags & CMD_TIME_PIPELINE) |
d166f048 JA |
198 | { |
199 | cprintf ("time "); | |
200 | if (command->flags & CMD_TIME_POSIX) | |
201 | cprintf ("-p "); | |
202 | } | |
ccc6cda3 | 203 | |
726f6388 JA |
204 | if (command->flags & CMD_INVERT_RETURN) |
205 | cprintf ("! "); | |
206 | ||
207 | switch (command->type) | |
208 | { | |
209 | case cm_for: | |
210 | print_for_command (command->value.For); | |
211 | break; | |
212 | ||
bb70624e JA |
213 | #if defined (ARITH_FOR_COMMAND) |
214 | case cm_arith_for: | |
215 | print_arith_for_command (command->value.ArithFor); | |
216 | break; | |
217 | #endif | |
218 | ||
726f6388 JA |
219 | #if defined (SELECT_COMMAND) |
220 | case cm_select: | |
221 | print_select_command (command->value.Select); | |
222 | break; | |
223 | #endif | |
224 | ||
225 | case cm_case: | |
226 | print_case_command (command->value.Case); | |
227 | break; | |
228 | ||
229 | case cm_while: | |
230 | print_while_command (command->value.While); | |
231 | break; | |
232 | ||
233 | case cm_until: | |
234 | print_until_command (command->value.While); | |
235 | break; | |
236 | ||
237 | case cm_if: | |
238 | print_if_command (command->value.If); | |
239 | break; | |
240 | ||
cce855bc JA |
241 | #if defined (DPAREN_ARITHMETIC) |
242 | case cm_arith: | |
b80f6443 | 243 | print_arith_command (command->value.Arith->exp); |
cce855bc JA |
244 | break; |
245 | #endif | |
246 | ||
247 | #if defined (COND_COMMAND) | |
248 | case cm_cond: | |
249 | print_cond_command (command->value.Cond); | |
250 | break; | |
251 | #endif | |
252 | ||
726f6388 JA |
253 | case cm_simple: |
254 | print_simple_command (command->value.Simple); | |
255 | break; | |
256 | ||
ccc6cda3 | 257 | case cm_connection: |
726f6388 JA |
258 | |
259 | skip_this_indent++; | |
3185942a | 260 | printing_connection++; |
726f6388 JA |
261 | make_command_string_internal (command->value.Connection->first); |
262 | ||
263 | switch (command->value.Connection->connector) | |
264 | { | |
265 | case '&': | |
266 | case '|': | |
267 | { | |
268 | char c = command->value.Connection->connector; | |
3185942a JA |
269 | |
270 | s[0] = ' '; | |
271 | s[1] = c; | |
272 | s[2] = '\0'; | |
273 | ||
274 | print_deferred_heredocs (s); | |
275 | ||
726f6388 JA |
276 | if (c != '&' || command->value.Connection->second) |
277 | { | |
278 | cprintf (" "); | |
279 | skip_this_indent++; | |
280 | } | |
281 | } | |
282 | break; | |
283 | ||
284 | case AND_AND: | |
3185942a | 285 | print_deferred_heredocs (" && "); |
726f6388 JA |
286 | if (command->value.Connection->second) |
287 | skip_this_indent++; | |
288 | break; | |
289 | ||
290 | case OR_OR: | |
3185942a | 291 | print_deferred_heredocs (" || "); |
726f6388 JA |
292 | if (command->value.Connection->second) |
293 | skip_this_indent++; | |
294 | break; | |
ccc6cda3 | 295 | |
726f6388 | 296 | case ';': |
74091dd4 CR |
297 | case '\n': /* special case this */ |
298 | { | |
299 | char c = command->value.Connection->connector; | |
300 | ||
301 | s[0] = printing_comsub ? c : ';'; | |
302 | s[1] = '\0'; | |
303 | ||
304 | if (deferred_heredocs == 0) | |
305 | { | |
306 | if (was_heredoc == 0) | |
307 | cprintf ("%s", s); /* inside_function_def? */ | |
308 | else | |
309 | was_heredoc = 0; | |
310 | } | |
311 | else | |
312 | /* print_deferred_heredocs special-cases `;' */ | |
313 | print_deferred_heredocs (inside_function_def ? "" : ";"); | |
314 | ||
315 | if (inside_function_def) | |
316 | cprintf ("\n"); | |
317 | else | |
318 | { | |
319 | if (c == ';') | |
320 | cprintf (" "); | |
321 | if (command->value.Connection->second) | |
322 | skip_this_indent++; | |
323 | } | |
324 | break; | |
325 | } | |
726f6388 JA |
326 | |
327 | default: | |
b80f6443 | 328 | cprintf (_("print_command: bad connector `%d'"), |
726f6388 JA |
329 | command->value.Connection->connector); |
330 | break; | |
331 | } | |
332 | ||
333 | make_command_string_internal (command->value.Connection->second); | |
495aee44 | 334 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a | 335 | printing_connection--; |
726f6388 | 336 | break; |
ccc6cda3 | 337 | |
726f6388 JA |
338 | case cm_function_def: |
339 | print_function_def (command->value.Function_def); | |
340 | break; | |
341 | ||
342 | case cm_group: | |
343 | print_group_command (command->value.Group); | |
344 | break; | |
345 | ||
bb70624e JA |
346 | case cm_subshell: |
347 | cprintf ("( "); | |
348 | skip_this_indent++; | |
349 | make_command_string_internal (command->value.Subshell->command); | |
680d15e1 | 350 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
351 | cprintf (" )"); |
352 | break; | |
353 | ||
3185942a JA |
354 | case cm_coproc: |
355 | cprintf ("coproc %s ", command->value.Coproc->name); | |
356 | skip_this_indent++; | |
357 | make_command_string_internal (command->value.Coproc->command); | |
358 | break; | |
359 | ||
726f6388 | 360 | default: |
b72432fd | 361 | command_error ("print_command", CMDERR_BADTYPE, command->type, 0); |
726f6388 JA |
362 | break; |
363 | } | |
364 | ||
726f6388 JA |
365 | |
366 | if (command->redirects) | |
b72432fd JA |
367 | { |
368 | cprintf (" "); | |
369 | print_redirection_list (command->redirects); | |
370 | } | |
726f6388 JA |
371 | } |
372 | } | |
373 | ||
374 | static void | |
375 | _print_word_list (list, separator, pfunc) | |
376 | WORD_LIST *list; | |
377 | char *separator; | |
f73dda09 | 378 | PFUNC *pfunc; |
726f6388 | 379 | { |
ccc6cda3 JA |
380 | WORD_LIST *w; |
381 | ||
382 | for (w = list; w; w = w->next) | |
383 | (*pfunc) ("%s%s", w->word->word, w->next ? separator : ""); | |
726f6388 JA |
384 | } |
385 | ||
ccc6cda3 JA |
386 | void |
387 | print_word_list (list, separator) | |
726f6388 JA |
388 | WORD_LIST *list; |
389 | char *separator; | |
390 | { | |
ccc6cda3 JA |
391 | _print_word_list (list, separator, xprintf); |
392 | } | |
393 | ||
0001803f CR |
394 | void |
395 | xtrace_set (fd, fp) | |
396 | int fd; | |
397 | FILE *fp; | |
398 | { | |
399 | if (fd >= 0 && sh_validfd (fd) == 0) | |
400 | { | |
401 | internal_error (_("xtrace_set: %d: invalid file descriptor"), fd); | |
402 | return; | |
403 | } | |
404 | if (fp == 0) | |
405 | { | |
406 | internal_error (_("xtrace_set: NULL file pointer")); | |
407 | return; | |
408 | } | |
409 | if (fd >= 0 && fileno (fp) != fd) | |
410 | internal_warning (_("xtrace fd (%d) != fileno xtrace fp (%d)"), fd, fileno (fp)); | |
411 | ||
412 | xtrace_fd = fd; | |
413 | xtrace_fp = fp; | |
414 | } | |
415 | ||
416 | void | |
417 | xtrace_init () | |
418 | { | |
419 | xtrace_set (-1, stderr); | |
420 | } | |
421 | ||
422 | void | |
423 | xtrace_reset () | |
424 | { | |
425 | if (xtrace_fd >= 0 && xtrace_fp) | |
426 | { | |
427 | fflush (xtrace_fp); | |
428 | fclose (xtrace_fp); | |
429 | } | |
430 | else if (xtrace_fd >= 0) | |
431 | close (xtrace_fd); | |
432 | ||
433 | xtrace_fd = -1; | |
434 | xtrace_fp = stderr; | |
435 | } | |
436 | ||
437 | void | |
438 | xtrace_fdchk (fd) | |
439 | int fd; | |
440 | { | |
441 | if (fd == xtrace_fd) | |
442 | xtrace_reset (); | |
443 | } | |
444 | ||
7117c2d2 JA |
445 | /* Return a string denoting what our indirection level is. */ |
446 | ||
447 | char * | |
448 | indirection_level_string () | |
449 | { | |
450 | register int i, j; | |
451 | char *ps4; | |
95732b49 | 452 | char ps4_firstc[MB_LEN_MAX+1]; |
ac50fbac | 453 | int ps4_firstc_len, ps4_len, ineed, old; |
7117c2d2 | 454 | |
7117c2d2 | 455 | ps4 = get_string_value ("PS4"); |
ac50fbac CR |
456 | if (indirection_string == 0) |
457 | indirection_string = xmalloc (indirection_stringsiz = 100); | |
458 | indirection_string[0] = '\0'; | |
7117c2d2 JA |
459 | |
460 | if (ps4 == 0 || *ps4 == '\0') | |
461 | return (indirection_string); | |
462 | ||
ac50fbac | 463 | old = change_flag ('x', FLAG_OFF); |
7117c2d2 | 464 | ps4 = decode_prompt_string (ps4); |
ac50fbac CR |
465 | if (old) |
466 | change_flag ('x', FLAG_ON); | |
7117c2d2 | 467 | |
b80f6443 | 468 | if (ps4 == 0 || *ps4 == '\0') |
74091dd4 CR |
469 | { |
470 | FREE (ps4); | |
471 | return (indirection_string); | |
472 | } | |
b80f6443 | 473 | |
95732b49 JA |
474 | #if defined (HANDLE_MULTIBYTE) |
475 | ps4_len = strnlen (ps4, MB_CUR_MAX); | |
476 | ps4_firstc_len = MBLEN (ps4, ps4_len); | |
ac50fbac | 477 | if (ps4_firstc_len == 1 || ps4_firstc_len == 0 || ps4_firstc_len < 0) |
95732b49 JA |
478 | { |
479 | ps4_firstc[0] = ps4[0]; | |
480 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
481 | } | |
482 | else | |
483 | memcpy (ps4_firstc, ps4, ps4_firstc_len); | |
484 | #else | |
485 | ps4_firstc[0] = ps4[0]; | |
486 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
487 | #endif | |
ac50fbac CR |
488 | |
489 | /* Dynamically resize indirection_string so we have room for everything | |
490 | and we don't have to truncate ps4 */ | |
491 | ineed = (ps4_firstc_len * indirection_level) + strlen (ps4); | |
492 | if (ineed > indirection_stringsiz - 1) | |
493 | { | |
494 | indirection_stringsiz = ineed + 1; | |
495 | indirection_string = xrealloc (indirection_string, indirection_stringsiz); | |
496 | } | |
497 | ||
498 | for (i = j = 0; ps4_firstc[0] && j < indirection_level && i < indirection_stringsiz - 1; i += ps4_firstc_len, j++) | |
95732b49 JA |
499 | { |
500 | if (ps4_firstc_len == 1) | |
501 | indirection_string[i] = ps4_firstc[0]; | |
502 | else | |
503 | memcpy (indirection_string+i, ps4_firstc, ps4_firstc_len); | |
504 | } | |
7117c2d2 | 505 | |
ac50fbac | 506 | for (j = ps4_firstc_len; *ps4 && ps4[j] && i < indirection_stringsiz - 1; i++, j++) |
7117c2d2 JA |
507 | indirection_string[i] = ps4[j]; |
508 | ||
509 | indirection_string[i] = '\0'; | |
510 | free (ps4); | |
511 | return (indirection_string); | |
512 | } | |
513 | ||
b80f6443 JA |
514 | void |
515 | xtrace_print_assignment (name, value, assign_list, xflags) | |
516 | char *name, *value; | |
517 | int assign_list, xflags; | |
518 | { | |
519 | char *nval; | |
520 | ||
0001803f CR |
521 | CHECK_XTRACE_FP; |
522 | ||
b80f6443 | 523 | if (xflags) |
0001803f | 524 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 JA |
525 | |
526 | /* VALUE should not be NULL when this is called. */ | |
527 | if (*value == '\0' || assign_list) | |
528 | nval = value; | |
529 | else if (sh_contains_shell_metas (value)) | |
530 | nval = sh_single_quote (value); | |
531 | else if (ansic_shouldquote (value)) | |
532 | nval = ansic_quote (value, 0, (int *)0); | |
533 | else | |
534 | nval = value; | |
535 | ||
536 | if (assign_list) | |
0001803f | 537 | fprintf (xtrace_fp, "%s=(%s)\n", name, nval); |
b80f6443 | 538 | else |
0001803f | 539 | fprintf (xtrace_fp, "%s=%s\n", name, nval); |
b80f6443 JA |
540 | |
541 | if (nval != value) | |
542 | FREE (nval); | |
543 | ||
0001803f | 544 | fflush (xtrace_fp); |
b80f6443 JA |
545 | } |
546 | ||
d233b485 CR |
547 | /* A function to print the words of a simple command when set -x is on. Also used to |
548 | print the word list in a for or select command header; in that case, we suppress | |
549 | quoting the words because they haven't been expanded yet. XTFLAGS&1 means to | |
550 | print $PS4; XTFLAGS&2 means to suppress quoting the words in LIST. */ | |
ccc6cda3 | 551 | void |
b80f6443 | 552 | xtrace_print_word_list (list, xtflags) |
ccc6cda3 | 553 | WORD_LIST *list; |
b80f6443 | 554 | int xtflags; |
ccc6cda3 JA |
555 | { |
556 | WORD_LIST *w; | |
e8ce775d | 557 | char *t, *x; |
ccc6cda3 | 558 | |
0001803f CR |
559 | CHECK_XTRACE_FP; |
560 | ||
a0c0a00f | 561 | if (xtflags&1) |
0001803f | 562 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 | 563 | |
ccc6cda3 JA |
564 | for (w = list; w; w = w->next) |
565 | { | |
566 | t = w->word->word; | |
567 | if (t == 0 || *t == '\0') | |
0001803f | 568 | fprintf (xtrace_fp, "''%s", w->next ? " " : ""); |
a0c0a00f CR |
569 | else if (xtflags & 2) |
570 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); | |
28ef6c31 | 571 | else if (sh_contains_shell_metas (t)) |
e8ce775d | 572 | { |
28ef6c31 | 573 | x = sh_single_quote (t); |
0001803f | 574 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
e8ce775d JA |
575 | free (x); |
576 | } | |
7117c2d2 JA |
577 | else if (ansic_shouldquote (t)) |
578 | { | |
579 | x = ansic_quote (t, 0, (int *)0); | |
0001803f | 580 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
7117c2d2 JA |
581 | free (x); |
582 | } | |
ccc6cda3 | 583 | else |
0001803f | 584 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); |
ccc6cda3 | 585 | } |
0001803f CR |
586 | fprintf (xtrace_fp, "\n"); |
587 | fflush (xtrace_fp); | |
726f6388 JA |
588 | } |
589 | ||
590 | static void | |
591 | command_print_word_list (list, separator) | |
592 | WORD_LIST *list; | |
593 | char *separator; | |
594 | { | |
595 | _print_word_list (list, separator, cprintf); | |
596 | } | |
597 | ||
b80f6443 JA |
598 | void |
599 | print_for_command_head (for_command) | |
726f6388 JA |
600 | FOR_COM *for_command; |
601 | { | |
602 | cprintf ("for %s in ", for_command->name->word); | |
603 | command_print_word_list (for_command->map_list, " "); | |
b80f6443 JA |
604 | } |
605 | ||
606 | void | |
607 | xtrace_print_for_command_head (for_command) | |
608 | FOR_COM *for_command; | |
609 | { | |
0001803f CR |
610 | CHECK_XTRACE_FP; |
611 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
612 | fprintf (xtrace_fp, "for %s in ", for_command->name->word); | |
a0c0a00f | 613 | xtrace_print_word_list (for_command->map_list, 2); |
b80f6443 JA |
614 | } |
615 | ||
616 | static void | |
617 | print_for_command (for_command) | |
618 | FOR_COM *for_command; | |
619 | { | |
620 | print_for_command_head (for_command); | |
726f6388 JA |
621 | cprintf (";"); |
622 | newline ("do\n"); | |
30d188c2 | 623 | |
726f6388 JA |
624 | indentation += indentation_amount; |
625 | make_command_string_internal (for_command->action); | |
30d188c2 | 626 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
627 | semicolon (); |
628 | indentation -= indentation_amount; | |
30d188c2 | 629 | |
726f6388 JA |
630 | newline ("done"); |
631 | } | |
632 | ||
bb70624e JA |
633 | #if defined (ARITH_FOR_COMMAND) |
634 | static void | |
635 | print_arith_for_command (arith_for_command) | |
636 | ARITH_FOR_COM *arith_for_command; | |
637 | { | |
b80f6443 | 638 | cprintf ("for (("); |
bb70624e | 639 | command_print_word_list (arith_for_command->init, " "); |
95732b49 | 640 | cprintf ("; "); |
bb70624e | 641 | command_print_word_list (arith_for_command->test, " "); |
95732b49 | 642 | cprintf ("; "); |
bb70624e | 643 | command_print_word_list (arith_for_command->step, " "); |
b80f6443 | 644 | cprintf ("))"); |
bb70624e JA |
645 | newline ("do\n"); |
646 | indentation += indentation_amount; | |
647 | make_command_string_internal (arith_for_command->action); | |
680d15e1 | 648 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
649 | semicolon (); |
650 | indentation -= indentation_amount; | |
651 | newline ("done"); | |
652 | } | |
653 | #endif /* ARITH_FOR_COMMAND */ | |
654 | ||
726f6388 | 655 | #if defined (SELECT_COMMAND) |
b80f6443 JA |
656 | void |
657 | print_select_command_head (select_command) | |
726f6388 JA |
658 | SELECT_COM *select_command; |
659 | { | |
660 | cprintf ("select %s in ", select_command->name->word); | |
661 | command_print_word_list (select_command->map_list, " "); | |
b80f6443 JA |
662 | } |
663 | ||
664 | void | |
665 | xtrace_print_select_command_head (select_command) | |
666 | SELECT_COM *select_command; | |
667 | { | |
0001803f CR |
668 | CHECK_XTRACE_FP; |
669 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
670 | fprintf (xtrace_fp, "select %s in ", select_command->name->word); | |
a0c0a00f | 671 | xtrace_print_word_list (select_command->map_list, 2); |
b80f6443 JA |
672 | } |
673 | ||
674 | static void | |
675 | print_select_command (select_command) | |
676 | SELECT_COM *select_command; | |
677 | { | |
678 | print_select_command_head (select_command); | |
679 | ||
726f6388 JA |
680 | cprintf (";"); |
681 | newline ("do\n"); | |
682 | indentation += indentation_amount; | |
683 | make_command_string_internal (select_command->action); | |
495aee44 | 684 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
685 | semicolon (); |
686 | indentation -= indentation_amount; | |
687 | newline ("done"); | |
688 | } | |
689 | #endif /* SELECT_COMMAND */ | |
690 | ||
691 | static void | |
692 | print_group_command (group_command) | |
693 | GROUP_COM *group_command; | |
694 | { | |
695 | group_command_nesting++; | |
696 | cprintf ("{ "); | |
697 | ||
ccc6cda3 | 698 | if (inside_function_def == 0) |
726f6388 JA |
699 | skip_this_indent++; |
700 | else | |
701 | { | |
702 | /* This is a group command { ... } inside of a function | |
ccc6cda3 | 703 | definition, and should be printed as a multiline group |
726f6388 JA |
704 | command, using the current indentation. */ |
705 | cprintf ("\n"); | |
706 | indentation += indentation_amount; | |
707 | } | |
708 | ||
709 | make_command_string_internal (group_command->command); | |
680d15e1 | 710 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 | 711 | |
ccc6cda3 | 712 | if (inside_function_def) |
726f6388 | 713 | { |
ccc6cda3 | 714 | cprintf ("\n"); |
726f6388 JA |
715 | indentation -= indentation_amount; |
716 | indent (indentation); | |
726f6388 | 717 | } |
ccc6cda3 JA |
718 | else |
719 | { | |
720 | semicolon (); | |
721 | cprintf (" "); | |
722 | } | |
723 | ||
726f6388 | 724 | cprintf ("}"); |
ccc6cda3 | 725 | |
726f6388 JA |
726 | group_command_nesting--; |
727 | } | |
728 | ||
b80f6443 JA |
729 | void |
730 | print_case_command_head (case_command) | |
731 | CASE_COM *case_command; | |
732 | { | |
733 | cprintf ("case %s in ", case_command->word->word); | |
734 | } | |
735 | ||
736 | void | |
737 | xtrace_print_case_command_head (case_command) | |
738 | CASE_COM *case_command; | |
739 | { | |
0001803f CR |
740 | CHECK_XTRACE_FP; |
741 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
742 | fprintf (xtrace_fp, "case %s in\n", case_command->word->word); | |
b80f6443 JA |
743 | } |
744 | ||
726f6388 JA |
745 | static void |
746 | print_case_command (case_command) | |
747 | CASE_COM *case_command; | |
748 | { | |
b80f6443 JA |
749 | print_case_command_head (case_command); |
750 | ||
726f6388 JA |
751 | if (case_command->clauses) |
752 | print_case_clauses (case_command->clauses); | |
753 | newline ("esac"); | |
754 | } | |
755 | ||
756 | static void | |
757 | print_case_clauses (clauses) | |
758 | PATTERN_LIST *clauses; | |
759 | { | |
760 | indentation += indentation_amount; | |
761 | while (clauses) | |
762 | { | |
763 | newline (""); | |
764 | command_print_word_list (clauses->patterns, " | "); | |
765 | cprintf (")\n"); | |
766 | indentation += indentation_amount; | |
767 | make_command_string_internal (clauses->action); | |
768 | indentation -= indentation_amount; | |
495aee44 | 769 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a JA |
770 | if (clauses->flags & CASEPAT_FALLTHROUGH) |
771 | newline (";&"); | |
772 | else if (clauses->flags & CASEPAT_TESTNEXT) | |
773 | newline (";;&"); | |
774 | else | |
775 | newline (";;"); | |
726f6388 JA |
776 | clauses = clauses->next; |
777 | } | |
778 | indentation -= indentation_amount; | |
779 | } | |
780 | ||
781 | static void | |
782 | print_while_command (while_command) | |
783 | WHILE_COM *while_command; | |
784 | { | |
785 | print_until_or_while (while_command, "while"); | |
786 | } | |
787 | ||
788 | static void | |
789 | print_until_command (while_command) | |
790 | WHILE_COM *while_command; | |
791 | { | |
792 | print_until_or_while (while_command, "until"); | |
793 | } | |
794 | ||
795 | static void | |
796 | print_until_or_while (while_command, which) | |
797 | WHILE_COM *while_command; | |
798 | char *which; | |
799 | { | |
800 | cprintf ("%s ", which); | |
801 | skip_this_indent++; | |
802 | make_command_string_internal (while_command->test); | |
495aee44 | 803 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
804 | semicolon (); |
805 | cprintf (" do\n"); /* was newline ("do\n"); */ | |
806 | indentation += indentation_amount; | |
807 | make_command_string_internal (while_command->action); | |
495aee44 | 808 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
809 | indentation -= indentation_amount; |
810 | semicolon (); | |
811 | newline ("done"); | |
812 | } | |
813 | ||
814 | static void | |
815 | print_if_command (if_command) | |
816 | IF_COM *if_command; | |
817 | { | |
818 | cprintf ("if "); | |
819 | skip_this_indent++; | |
820 | make_command_string_internal (if_command->test); | |
821 | semicolon (); | |
822 | cprintf (" then\n"); | |
823 | indentation += indentation_amount; | |
824 | make_command_string_internal (if_command->true_case); | |
495aee44 | 825 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
826 | indentation -= indentation_amount; |
827 | ||
828 | if (if_command->false_case) | |
829 | { | |
830 | semicolon (); | |
831 | newline ("else\n"); | |
832 | indentation += indentation_amount; | |
833 | make_command_string_internal (if_command->false_case); | |
495aee44 | 834 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
835 | indentation -= indentation_amount; |
836 | } | |
837 | semicolon (); | |
838 | newline ("fi"); | |
839 | } | |
840 | ||
a0c0a00f | 841 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
b80f6443 JA |
842 | void |
843 | print_arith_command (arith_cmd_list) | |
844 | WORD_LIST *arith_cmd_list; | |
cce855bc | 845 | { |
b80f6443 JA |
846 | cprintf ("(("); |
847 | command_print_word_list (arith_cmd_list, " "); | |
848 | cprintf ("))"); | |
cce855bc | 849 | } |
bb70624e | 850 | #endif |
cce855bc JA |
851 | |
852 | #if defined (COND_COMMAND) | |
853 | static void | |
854 | print_cond_node (cond) | |
855 | COND_COM *cond; | |
856 | { | |
857 | if (cond->flags & CMD_INVERT_RETURN) | |
858 | cprintf ("! "); | |
859 | ||
860 | if (cond->type == COND_EXPR) | |
861 | { | |
862 | cprintf ("( "); | |
863 | print_cond_node (cond->left); | |
864 | cprintf (" )"); | |
865 | } | |
866 | else if (cond->type == COND_AND) | |
867 | { | |
868 | print_cond_node (cond->left); | |
869 | cprintf (" && "); | |
870 | print_cond_node (cond->right); | |
871 | } | |
872 | else if (cond->type == COND_OR) | |
873 | { | |
874 | print_cond_node (cond->left); | |
875 | cprintf (" || "); | |
876 | print_cond_node (cond->right); | |
877 | } | |
878 | else if (cond->type == COND_UNARY) | |
879 | { | |
b72432fd | 880 | cprintf ("%s", cond->op->word); |
cce855bc JA |
881 | cprintf (" "); |
882 | print_cond_node (cond->left); | |
883 | } | |
884 | else if (cond->type == COND_BINARY) | |
885 | { | |
886 | print_cond_node (cond->left); | |
887 | cprintf (" "); | |
b72432fd | 888 | cprintf ("%s", cond->op->word); |
cce855bc JA |
889 | cprintf (" "); |
890 | print_cond_node (cond->right); | |
891 | } | |
892 | else if (cond->type == COND_TERM) | |
893 | { | |
b72432fd | 894 | cprintf ("%s", cond->op->word); /* need to add quoting here */ |
cce855bc JA |
895 | } |
896 | } | |
897 | ||
b80f6443 | 898 | void |
cce855bc JA |
899 | print_cond_command (cond) |
900 | COND_COM *cond; | |
901 | { | |
902 | cprintf ("[[ "); | |
903 | print_cond_node (cond); | |
904 | cprintf (" ]]"); | |
905 | } | |
906 | ||
28ef6c31 | 907 | #ifdef DEBUG |
ac50fbac CR |
908 | void |
909 | debug_print_word_list (s, list, sep) | |
910 | char *s; | |
911 | WORD_LIST *list; | |
912 | char *sep; | |
913 | { | |
914 | WORD_LIST *w; | |
915 | ||
916 | if (s) | |
917 | fprintf (stderr, "%s: ", s); | |
918 | for (w = list; w; w = w->next) | |
919 | fprintf (stderr, "%s%s", w->word->word, w->next ? sep : ""); | |
920 | fprintf (stderr, "\n"); | |
921 | } | |
922 | ||
cce855bc JA |
923 | void |
924 | debug_print_cond_command (cond) | |
925 | COND_COM *cond; | |
926 | { | |
927 | fprintf (stderr, "DEBUG: "); | |
928 | command_string_index = 0; | |
929 | print_cond_command (cond); | |
930 | fprintf (stderr, "%s\n", the_printed_command); | |
931 | } | |
28ef6c31 | 932 | #endif |
cce855bc JA |
933 | |
934 | void | |
935 | xtrace_print_cond_term (type, invert, op, arg1, arg2) | |
936 | int type, invert; | |
937 | WORD_DESC *op; | |
938 | char *arg1, *arg2; | |
939 | { | |
0001803f | 940 | CHECK_XTRACE_FP; |
cce855bc | 941 | command_string_index = 0; |
0001803f CR |
942 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
943 | fprintf (xtrace_fp, "[[ "); | |
cce855bc | 944 | if (invert) |
0001803f | 945 | fprintf (xtrace_fp, "! "); |
cce855bc JA |
946 | |
947 | if (type == COND_UNARY) | |
948 | { | |
0001803f CR |
949 | fprintf (xtrace_fp, "%s ", op->word); |
950 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
cce855bc JA |
951 | } |
952 | else if (type == COND_BINARY) | |
953 | { | |
0001803f CR |
954 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); |
955 | fprintf (xtrace_fp, " %s ", op->word); | |
956 | fprintf (xtrace_fp, "%s", (arg2 && *arg2) ? arg2 : "''"); | |
cce855bc JA |
957 | } |
958 | ||
0001803f CR |
959 | fprintf (xtrace_fp, " ]]\n"); |
960 | ||
961 | fflush (xtrace_fp); | |
cce855bc JA |
962 | } |
963 | #endif /* COND_COMMAND */ | |
964 | ||
bb70624e | 965 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
cce855bc JA |
966 | /* A function to print the words of an arithmetic command when set -x is on. */ |
967 | void | |
968 | xtrace_print_arith_cmd (list) | |
969 | WORD_LIST *list; | |
970 | { | |
971 | WORD_LIST *w; | |
972 | ||
0001803f CR |
973 | CHECK_XTRACE_FP; |
974 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
975 | fprintf (xtrace_fp, "(( "); | |
cce855bc | 976 | for (w = list; w; w = w->next) |
0001803f CR |
977 | fprintf (xtrace_fp, "%s%s", w->word->word, w->next ? " " : ""); |
978 | fprintf (xtrace_fp, " ))\n"); | |
979 | ||
980 | fflush (xtrace_fp); | |
cce855bc JA |
981 | } |
982 | #endif | |
983 | ||
726f6388 JA |
984 | void |
985 | print_simple_command (simple_command) | |
986 | SIMPLE_COM *simple_command; | |
987 | { | |
74091dd4 CR |
988 | if (simple_command->words) |
989 | command_print_word_list (simple_command->words, " "); | |
726f6388 JA |
990 | |
991 | if (simple_command->redirects) | |
992 | { | |
74091dd4 CR |
993 | if (simple_command->words) |
994 | cprintf (" "); | |
726f6388 JA |
995 | print_redirection_list (simple_command->redirects); |
996 | } | |
997 | } | |
998 | ||
3185942a JA |
999 | static void |
1000 | print_heredocs (heredocs) | |
1001 | REDIRECT *heredocs; | |
1002 | { | |
1003 | REDIRECT *hdtail; | |
1004 | ||
1005 | cprintf (" "); | |
1006 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
1007 | { | |
1008 | print_redirection (hdtail); | |
1009 | cprintf ("\n"); | |
1010 | } | |
1011 | was_heredoc = 1; | |
1012 | } | |
1013 | ||
d233b485 CR |
1014 | static void |
1015 | print_heredoc_bodies (heredocs) | |
1016 | REDIRECT *heredocs; | |
1017 | { | |
1018 | REDIRECT *hdtail; | |
1019 | ||
1020 | cprintf ("\n"); | |
1021 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
1022 | { | |
1023 | print_heredoc_body (hdtail); | |
1024 | cprintf ("\n"); | |
1025 | } | |
1026 | was_heredoc = 1; | |
1027 | } | |
1028 | ||
3185942a JA |
1029 | /* Print heredocs that are attached to the command before the connector |
1030 | represented by CSTRING. The parsing semantics require us to print the | |
1031 | here-doc delimiters, then the connector (CSTRING), then the here-doc | |
d233b485 CR |
1032 | bodies. We print the here-doc delimiters in print_redirection_list |
1033 | and print the connector and the bodies here. We don't print the connector | |
1034 | if it's a `;', but we use it to note not to print an extra space after the | |
1035 | last heredoc body and newline. */ | |
3185942a JA |
1036 | static void |
1037 | print_deferred_heredocs (cstring) | |
1038 | const char *cstring; | |
1039 | { | |
d233b485 | 1040 | /* We now print the heredoc headers in print_redirection_list */ |
ac50fbac | 1041 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a | 1042 | cprintf ("%s", cstring); |
3185942a JA |
1043 | if (deferred_heredocs) |
1044 | { | |
d233b485 | 1045 | print_heredoc_bodies (deferred_heredocs); |
17345e5a | 1046 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a JA |
1047 | cprintf (" "); /* make sure there's at least one space */ |
1048 | dispose_redirects (deferred_heredocs); | |
17345e5a | 1049 | was_heredoc = 1; |
3185942a JA |
1050 | } |
1051 | deferred_heredocs = (REDIRECT *)NULL; | |
1052 | } | |
1053 | ||
726f6388 JA |
1054 | static void |
1055 | print_redirection_list (redirects) | |
1056 | REDIRECT *redirects; | |
1057 | { | |
d166f048 | 1058 | REDIRECT *heredocs, *hdtail, *newredir; |
ac50fbac | 1059 | char *rw; |
d166f048 JA |
1060 | |
1061 | heredocs = (REDIRECT *)NULL; | |
1062 | hdtail = heredocs; | |
1063 | ||
1064 | was_heredoc = 0; | |
726f6388 JA |
1065 | while (redirects) |
1066 | { | |
d233b485 CR |
1067 | /* Defer printing the here document bodiess until we've printed the rest of the |
1068 | redirections, but print the headers in the order they're given. */ | |
d166f048 JA |
1069 | if (redirects->instruction == r_reading_until || redirects->instruction == r_deblank_reading_until) |
1070 | { | |
1071 | newredir = copy_redirect (redirects); | |
1072 | newredir->next = (REDIRECT *)NULL; | |
d233b485 CR |
1073 | |
1074 | print_heredoc_header (newredir); | |
1075 | ||
d166f048 JA |
1076 | if (heredocs) |
1077 | { | |
1078 | hdtail->next = newredir; | |
1079 | hdtail = newredir; | |
1080 | } | |
1081 | else | |
1082 | hdtail = heredocs = newredir; | |
1083 | } | |
74091dd4 CR |
1084 | #if 0 |
1085 | /* Remove this heuristic now that the command printing code doesn't | |
1086 | unconditionally put in the redirector file descriptor. */ | |
ac50fbac | 1087 | else if (redirects->instruction == r_duplicating_output_word && (redirects->flags & REDIR_VARASSIGN) == 0 && redirects->redirector.dest == 1) |
b80f6443 JA |
1088 | { |
1089 | /* Temporarily translate it as the execution code does. */ | |
ac50fbac CR |
1090 | rw = redirects->redirectee.filename->word; |
1091 | if (rw && *rw != '-' && DIGIT (*rw) == 0 && EXPCHAR (*rw) == 0) | |
1092 | redirects->instruction = r_err_and_out; | |
b80f6443 JA |
1093 | print_redirection (redirects); |
1094 | redirects->instruction = r_duplicating_output_word; | |
1095 | } | |
74091dd4 | 1096 | #endif |
d166f048 JA |
1097 | else |
1098 | print_redirection (redirects); | |
1099 | ||
726f6388 JA |
1100 | redirects = redirects->next; |
1101 | if (redirects) | |
1102 | cprintf (" "); | |
1103 | } | |
d166f048 JA |
1104 | |
1105 | /* Now that we've printed all the other redirections (on one line), | |
d233b485 CR |
1106 | print the here documents. If we're printing a connection, we wait until |
1107 | we print the connector symbol, then we print the here document bodies */ | |
3185942a JA |
1108 | if (heredocs && printing_connection) |
1109 | deferred_heredocs = heredocs; | |
1110 | else if (heredocs) | |
d166f048 | 1111 | { |
d233b485 | 1112 | print_heredoc_bodies (heredocs); |
d166f048 | 1113 | dispose_redirects (heredocs); |
d166f048 | 1114 | } |
726f6388 JA |
1115 | } |
1116 | ||
3185942a JA |
1117 | static void |
1118 | print_heredoc_header (redirect) | |
1119 | REDIRECT *redirect; | |
1120 | { | |
1121 | int kill_leading; | |
1122 | char *x; | |
1123 | ||
1124 | kill_leading = redirect->instruction == r_deblank_reading_until; | |
1125 | ||
1126 | /* Here doc header */ | |
0001803f CR |
1127 | if (redirect->rflags & REDIR_VARASSIGN) |
1128 | cprintf ("{%s}", redirect->redirector.filename->word); | |
1129 | else if (redirect->redirector.dest != 0) | |
1130 | cprintf ("%d", redirect->redirector.dest); | |
3185942a JA |
1131 | |
1132 | /* If the here document delimiter is quoted, single-quote it. */ | |
1133 | if (redirect->redirectee.filename->flags & W_QUOTED) | |
1134 | { | |
1135 | x = sh_single_quote (redirect->here_doc_eof); | |
1136 | cprintf ("<<%s%s", kill_leading ? "-" : "", x); | |
1137 | free (x); | |
1138 | } | |
1139 | else | |
1140 | cprintf ("<<%s%s", kill_leading ? "-" : "", redirect->here_doc_eof); | |
1141 | } | |
1142 | ||
1143 | static void | |
1144 | print_heredoc_body (redirect) | |
1145 | REDIRECT *redirect; | |
1146 | { | |
1147 | /* Here doc body */ | |
1148 | cprintf ("%s%s", redirect->redirectee.filename->word, redirect->here_doc_eof); | |
1149 | } | |
1150 | ||
726f6388 JA |
1151 | static void |
1152 | print_redirection (redirect) | |
1153 | REDIRECT *redirect; | |
1154 | { | |
495aee44 | 1155 | int redirector, redir_fd; |
0001803f | 1156 | WORD_DESC *redirectee, *redir_word; |
d166f048 | 1157 | |
d166f048 | 1158 | redirectee = redirect->redirectee.filename; |
d166f048 | 1159 | redir_fd = redirect->redirectee.dest; |
726f6388 | 1160 | |
0001803f CR |
1161 | redir_word = redirect->redirector.filename; |
1162 | redirector = redirect->redirector.dest; | |
1163 | ||
726f6388 JA |
1164 | switch (redirect->instruction) |
1165 | { | |
0001803f CR |
1166 | case r_input_direction: |
1167 | if (redirect->rflags & REDIR_VARASSIGN) | |
1168 | cprintf ("{%s}", redir_word->word); | |
1169 | else if (redirector != 0) | |
726f6388 | 1170 | cprintf ("%d", redirector); |
0001803f | 1171 | cprintf ("< %s", redirectee->word); |
726f6388 JA |
1172 | break; |
1173 | ||
0001803f CR |
1174 | case r_output_direction: |
1175 | if (redirect->rflags & REDIR_VARASSIGN) | |
1176 | cprintf ("{%s}", redir_word->word); | |
1177 | else if (redirector != 1) | |
726f6388 | 1178 | cprintf ("%d", redirector); |
0001803f | 1179 | cprintf ("> %s", redirectee->word); |
726f6388 JA |
1180 | break; |
1181 | ||
1182 | case r_inputa_direction: /* Redirection created by the shell. */ | |
1183 | cprintf ("&"); | |
1184 | break; | |
1185 | ||
0001803f CR |
1186 | case r_output_force: |
1187 | if (redirect->rflags & REDIR_VARASSIGN) | |
1188 | cprintf ("{%s}", redir_word->word); | |
1189 | else if (redirector != 1) | |
1190 | cprintf ("%d", redirector); | |
ac50fbac | 1191 | cprintf (">| %s", redirectee->word); |
0001803f CR |
1192 | break; |
1193 | ||
726f6388 | 1194 | case r_appending_to: |
0001803f CR |
1195 | if (redirect->rflags & REDIR_VARASSIGN) |
1196 | cprintf ("{%s}", redir_word->word); | |
1197 | else if (redirector != 1) | |
726f6388 | 1198 | cprintf ("%d", redirector); |
0628567a | 1199 | cprintf (">> %s", redirectee->word); |
726f6388 JA |
1200 | break; |
1201 | ||
0001803f CR |
1202 | case r_input_output: |
1203 | if (redirect->rflags & REDIR_VARASSIGN) | |
1204 | cprintf ("{%s}", redir_word->word); | |
1205 | else if (redirector != 1) | |
1206 | cprintf ("%d", redirector); | |
1207 | cprintf ("<> %s", redirectee->word); | |
1208 | break; | |
1209 | ||
726f6388 | 1210 | case r_deblank_reading_until: |
726f6388 | 1211 | case r_reading_until: |
3185942a JA |
1212 | print_heredoc_header (redirect); |
1213 | cprintf ("\n"); | |
1214 | print_heredoc_body (redirect); | |
726f6388 JA |
1215 | break; |
1216 | ||
7117c2d2 | 1217 | case r_reading_string: |
0001803f CR |
1218 | if (redirect->rflags & REDIR_VARASSIGN) |
1219 | cprintf ("{%s}", redir_word->word); | |
1220 | else if (redirector != 0) | |
7117c2d2 | 1221 | cprintf ("%d", redirector); |
495aee44 CR |
1222 | #if 0 |
1223 | /* Don't need to check whether or not to requote, since original quotes | |
1224 | are still intact. The only thing that has happened is that $'...' | |
1225 | has been replaced with 'expanded ...'. */ | |
7117c2d2 JA |
1226 | if (ansic_shouldquote (redirect->redirectee.filename->word)) |
1227 | { | |
1228 | char *x; | |
1229 | x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0); | |
1230 | cprintf ("<<< %s", x); | |
1231 | free (x); | |
1232 | } | |
1233 | else | |
495aee44 | 1234 | #endif |
7117c2d2 JA |
1235 | cprintf ("<<< %s", redirect->redirectee.filename->word); |
1236 | break; | |
1237 | ||
726f6388 | 1238 | case r_duplicating_input: |
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); | |
726f6388 JA |
1243 | break; |
1244 | ||
1245 | case r_duplicating_output: | |
0001803f CR |
1246 | if (redirect->rflags & REDIR_VARASSIGN) |
1247 | cprintf ("{%s}>&%d", redir_word->word, redir_fd); | |
1248 | else | |
1249 | cprintf ("%d>&%d", redirector, redir_fd); | |
726f6388 JA |
1250 | break; |
1251 | ||
1252 | case r_duplicating_input_word: | |
0001803f CR |
1253 | if (redirect->rflags & REDIR_VARASSIGN) |
1254 | cprintf ("{%s}<&%s", redir_word->word, redirectee->word); | |
74091dd4 CR |
1255 | else if (redirector == 0) |
1256 | cprintf ("<&%s", redirectee->word); | |
0001803f CR |
1257 | else |
1258 | cprintf ("%d<&%s", redirector, redirectee->word); | |
726f6388 JA |
1259 | break; |
1260 | ||
1261 | case r_duplicating_output_word: | |
0001803f CR |
1262 | if (redirect->rflags & REDIR_VARASSIGN) |
1263 | cprintf ("{%s}>&%s", redir_word->word, redirectee->word); | |
74091dd4 CR |
1264 | else if (redirector == 1) |
1265 | cprintf (">&%s", redirectee->word); | |
0001803f CR |
1266 | else |
1267 | cprintf ("%d>&%s", redirector, redirectee->word); | |
726f6388 JA |
1268 | break; |
1269 | ||
7117c2d2 | 1270 | case r_move_input: |
0001803f CR |
1271 | if (redirect->rflags & REDIR_VARASSIGN) |
1272 | cprintf ("{%s}<&%d-", redir_word->word, redir_fd); | |
1273 | else | |
1274 | cprintf ("%d<&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1275 | break; |
1276 | ||
1277 | case r_move_output: | |
0001803f CR |
1278 | if (redirect->rflags & REDIR_VARASSIGN) |
1279 | cprintf ("{%s}>&%d-", redir_word->word, redir_fd); | |
1280 | else | |
1281 | cprintf ("%d>&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1282 | break; |
1283 | ||
1284 | case r_move_input_word: | |
0001803f CR |
1285 | if (redirect->rflags & REDIR_VARASSIGN) |
1286 | cprintf ("{%s}<&%s-", redir_word->word, redirectee->word); | |
1287 | else | |
1288 | cprintf ("%d<&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1289 | break; |
1290 | ||
1291 | case r_move_output_word: | |
0001803f CR |
1292 | if (redirect->rflags & REDIR_VARASSIGN) |
1293 | cprintf ("{%s}>&%s-", redir_word->word, redirectee->word); | |
1294 | else | |
1295 | cprintf ("%d>&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1296 | break; |
1297 | ||
726f6388 | 1298 | case r_close_this: |
0001803f CR |
1299 | if (redirect->rflags & REDIR_VARASSIGN) |
1300 | cprintf ("{%s}>&-", redir_word->word); | |
1301 | else | |
1302 | cprintf ("%d>&-", redirector); | |
726f6388 JA |
1303 | break; |
1304 | ||
1305 | case r_err_and_out: | |
ac50fbac | 1306 | cprintf ("&> %s", redirectee->word); |
3185942a JA |
1307 | break; |
1308 | ||
1309 | case r_append_err_and_out: | |
ac50fbac | 1310 | cprintf ("&>> %s", redirectee->word); |
726f6388 | 1311 | break; |
726f6388 JA |
1312 | } |
1313 | } | |
1314 | ||
1315 | static void | |
1316 | reset_locals () | |
1317 | { | |
1318 | inside_function_def = 0; | |
1319 | indentation = 0; | |
3185942a JA |
1320 | printing_connection = 0; |
1321 | deferred_heredocs = 0; | |
74091dd4 | 1322 | printing_comsub = 0; |
726f6388 JA |
1323 | } |
1324 | ||
1325 | static void | |
1326 | print_function_def (func) | |
1327 | FUNCTION_DEF *func; | |
1328 | { | |
bb70624e JA |
1329 | COMMAND *cmdcopy; |
1330 | REDIRECT *func_redirects; | |
1331 | ||
f73dda09 | 1332 | func_redirects = NULL; |
a0c0a00f CR |
1333 | /* When in posix mode, print functions as posix specifies them. */ |
1334 | if (posixly_correct == 0) | |
1335 | cprintf ("function %s () \n", func->name->word); | |
1336 | else | |
1337 | cprintf ("%s () \n", func->name->word); | |
726f6388 JA |
1338 | add_unwind_protect (reset_locals, 0); |
1339 | ||
1340 | indent (indentation); | |
1341 | cprintf ("{ \n"); | |
1342 | ||
1343 | inside_function_def++; | |
1344 | indentation += indentation_amount; | |
1345 | ||
bb70624e JA |
1346 | cmdcopy = copy_command (func->command); |
1347 | if (cmdcopy->type == cm_group) | |
1348 | { | |
28ef6c31 JA |
1349 | func_redirects = cmdcopy->redirects; |
1350 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1351 | } |
1352 | make_command_string_internal (cmdcopy->type == cm_group | |
1353 | ? cmdcopy->value.Group->command | |
1354 | : cmdcopy); | |
8868edaf | 1355 | PRINT_DEFERRED_HEREDOCS (""); |
ccc6cda3 | 1356 | |
726f6388 JA |
1357 | remove_unwind_protect (); |
1358 | indentation -= indentation_amount; | |
1359 | inside_function_def--; | |
1360 | ||
bb70624e JA |
1361 | if (func_redirects) |
1362 | { /* { */ | |
1363 | newline ("} "); | |
1364 | print_redirection_list (func_redirects); | |
28ef6c31 | 1365 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1366 | } |
1367 | else | |
1368 | newline ("}"); | |
1369 | ||
1370 | dispose_command (cmdcopy); | |
726f6388 JA |
1371 | } |
1372 | ||
1373 | /* Return the string representation of the named function. | |
1374 | NAME is the name of the function. | |
1375 | COMMAND is the function body. It should be a GROUP_COM. | |
3185942a JA |
1376 | flags&FUNC_MULTILINE is non-zero to pretty-print, or zero for all on one line. |
1377 | flags&FUNC_EXTERNAL means convert from internal to external form | |
726f6388 JA |
1378 | */ |
1379 | char * | |
3185942a | 1380 | named_function_string (name, command, flags) |
726f6388 JA |
1381 | char *name; |
1382 | COMMAND *command; | |
3185942a | 1383 | int flags; |
726f6388 JA |
1384 | { |
1385 | char *result; | |
ccc6cda3 | 1386 | int old_indent, old_amount; |
bb70624e JA |
1387 | COMMAND *cmdcopy; |
1388 | REDIRECT *func_redirects; | |
726f6388 | 1389 | |
ccc6cda3 JA |
1390 | old_indent = indentation; |
1391 | old_amount = indentation_amount; | |
d166f048 | 1392 | command_string_index = was_heredoc = 0; |
3185942a | 1393 | deferred_heredocs = 0; |
74091dd4 | 1394 | printing_comsub = 0; |
726f6388 JA |
1395 | |
1396 | if (name && *name) | |
a0c0a00f CR |
1397 | { |
1398 | if (find_reserved_word (name) >= 0) | |
1399 | cprintf ("function "); | |
1400 | cprintf ("%s ", name); | |
1401 | } | |
726f6388 JA |
1402 | |
1403 | cprintf ("() "); | |
1404 | ||
3185942a | 1405 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1406 | { |
1407 | indentation = 1; | |
1408 | indentation_amount = 0; | |
1409 | } | |
1410 | else | |
1411 | { | |
1412 | cprintf ("\n"); | |
1413 | indentation += indentation_amount; | |
1414 | } | |
1415 | ||
1416 | inside_function_def++; | |
1417 | ||
3185942a | 1418 | cprintf ((flags & FUNC_MULTILINE) ? "{ \n" : "{ "); |
726f6388 | 1419 | |
bb70624e JA |
1420 | cmdcopy = copy_command (command); |
1421 | /* Take any redirections specified in the function definition (which should | |
1422 | apply to the function as a whole) and save them for printing later. */ | |
1423 | func_redirects = (REDIRECT *)NULL; | |
1424 | if (cmdcopy->type == cm_group) | |
1425 | { | |
28ef6c31 JA |
1426 | func_redirects = cmdcopy->redirects; |
1427 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1428 | } |
1429 | make_command_string_internal (cmdcopy->type == cm_group | |
1430 | ? cmdcopy->value.Group->command | |
1431 | : cmdcopy); | |
8868edaf | 1432 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
1433 | |
1434 | indentation = old_indent; | |
1435 | indentation_amount = old_amount; | |
1436 | inside_function_def--; | |
1437 | ||
bb70624e JA |
1438 | if (func_redirects) |
1439 | { /* { */ | |
1440 | newline ("} "); | |
1441 | print_redirection_list (func_redirects); | |
28ef6c31 | 1442 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1443 | } |
1444 | else | |
1445 | newline ("}"); | |
726f6388 JA |
1446 | |
1447 | result = the_printed_command; | |
1448 | ||
3185942a | 1449 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1450 | { |
1451 | #if 0 | |
1452 | register int i; | |
1453 | for (i = 0; result[i]; i++) | |
1454 | if (result[i] == '\n') | |
1455 | { | |
1456 | strcpy (result + i, result + i + 1); | |
1457 | --i; | |
1458 | } | |
1459 | #else | |
1460 | if (result[2] == '\n') /* XXX -- experimental */ | |
d233b485 | 1461 | memmove (result + 2, result + 3, strlen (result) - 2); |
726f6388 JA |
1462 | #endif |
1463 | } | |
1464 | ||
bb70624e JA |
1465 | dispose_command (cmdcopy); |
1466 | ||
3185942a JA |
1467 | if (flags & FUNC_EXTERNAL) |
1468 | result = remove_quoted_escapes (result); | |
1469 | ||
726f6388 JA |
1470 | return (result); |
1471 | } | |
1472 | ||
1473 | static void | |
1474 | newline (string) | |
1475 | char *string; | |
1476 | { | |
1477 | cprintf ("\n"); | |
1478 | indent (indentation); | |
1479 | if (string && *string) | |
1480 | cprintf ("%s", string); | |
1481 | } | |
1482 | ||
ccc6cda3 JA |
1483 | static char *indentation_string; |
1484 | static int indentation_size; | |
1485 | ||
726f6388 JA |
1486 | static void |
1487 | indent (amount) | |
1488 | int amount; | |
1489 | { | |
ccc6cda3 JA |
1490 | register int i; |
1491 | ||
1492 | RESIZE_MALLOCED_BUFFER (indentation_string, 0, amount, indentation_size, 16); | |
1493 | ||
1494 | for (i = 0; amount > 0; amount--) | |
1495 | indentation_string[i++] = ' '; | |
1496 | indentation_string[i] = '\0'; | |
ac50fbac | 1497 | cprintf ("%s", indentation_string); |
726f6388 JA |
1498 | } |
1499 | ||
1500 | static void | |
1501 | semicolon () | |
1502 | { | |
7117c2d2 JA |
1503 | if (command_string_index > 0 && |
1504 | (the_printed_command[command_string_index - 1] == '&' || | |
0001803f | 1505 | the_printed_command[command_string_index - 1] == '\n')) |
726f6388 JA |
1506 | return; |
1507 | cprintf (";"); | |
1508 | } | |
1509 | ||
726f6388 JA |
1510 | /* How to make the string. */ |
1511 | static void | |
ccc6cda3 | 1512 | #if defined (PREFER_STDARG) |
f73dda09 | 1513 | cprintf (const char *control, ...) |
ccc6cda3 JA |
1514 | #else |
1515 | cprintf (control, va_alist) | |
f73dda09 | 1516 | const char *control; |
726f6388 | 1517 | va_dcl |
ccc6cda3 | 1518 | #endif |
726f6388 | 1519 | { |
f73dda09 | 1520 | register const char *s; |
d233b485 | 1521 | char char_arg[2], *argp, intbuf[INT_STRLEN_BOUND (unsigned int) + 1]; |
726f6388 JA |
1522 | int digit_arg, arg_len, c; |
1523 | va_list args; | |
1524 | ||
7117c2d2 | 1525 | SH_VA_START (args, control); |
726f6388 JA |
1526 | |
1527 | arg_len = strlen (control); | |
1528 | the_printed_command_resize (arg_len + 1); | |
1529 | ||
1530 | char_arg[1] = '\0'; | |
1531 | s = control; | |
1532 | while (s && *s) | |
1533 | { | |
726f6388 | 1534 | c = *s++; |
ccc6cda3 | 1535 | argp = (char *)NULL; |
726f6388 JA |
1536 | if (c != '%' || !*s) |
1537 | { | |
f73dda09 JA |
1538 | char_arg[0] = c; |
1539 | argp = char_arg; | |
726f6388 JA |
1540 | arg_len = 1; |
1541 | } | |
1542 | else | |
1543 | { | |
1544 | c = *s++; | |
1545 | switch (c) | |
1546 | { | |
1547 | case '%': | |
1548 | char_arg[0] = c; | |
1549 | argp = char_arg; | |
1550 | arg_len = 1; | |
1551 | break; | |
1552 | ||
1553 | case 's': | |
1554 | argp = va_arg (args, char *); | |
1555 | arg_len = strlen (argp); | |
1556 | break; | |
1557 | ||
1558 | case 'd': | |
f73dda09 JA |
1559 | /* Represent an out-of-range file descriptor with an out-of-range |
1560 | integer value. We can do this because the only use of `%d' in | |
1561 | the calls to cprintf is to output a file descriptor number for | |
1562 | a redirection. */ | |
726f6388 | 1563 | digit_arg = va_arg (args, int); |
f73dda09 JA |
1564 | if (digit_arg < 0) |
1565 | { | |
d233b485 | 1566 | sprintf (intbuf, "%u", (unsigned int)-1); |
f73dda09 JA |
1567 | argp = intbuf; |
1568 | } | |
1569 | else | |
0001803f | 1570 | argp = inttostr (digit_arg, intbuf, sizeof (intbuf)); |
726f6388 | 1571 | arg_len = strlen (argp); |
726f6388 JA |
1572 | break; |
1573 | ||
1574 | case 'c': | |
1575 | char_arg[0] = va_arg (args, int); | |
1576 | argp = char_arg; | |
1577 | arg_len = 1; | |
1578 | break; | |
1579 | ||
1580 | default: | |
b80f6443 | 1581 | programming_error (_("cprintf: `%c': invalid format character"), c); |
ccc6cda3 | 1582 | /*NOTREACHED*/ |
726f6388 JA |
1583 | } |
1584 | } | |
1585 | ||
ccc6cda3 | 1586 | if (argp && arg_len) |
726f6388 JA |
1587 | { |
1588 | the_printed_command_resize (arg_len + 1); | |
1589 | FASTCOPY (argp, the_printed_command + command_string_index, arg_len); | |
1590 | command_string_index += arg_len; | |
726f6388 JA |
1591 | } |
1592 | } | |
1593 | ||
ac50fbac CR |
1594 | va_end (args); |
1595 | ||
726f6388 JA |
1596 | the_printed_command[command_string_index] = '\0'; |
1597 | } | |
726f6388 JA |
1598 | |
1599 | /* Ensure that there is enough space to stuff LENGTH characters into | |
1600 | THE_PRINTED_COMMAND. */ | |
1601 | static void | |
1602 | the_printed_command_resize (length) | |
1603 | int length; | |
1604 | { | |
d166f048 | 1605 | if (the_printed_command == 0) |
726f6388 | 1606 | { |
d166f048 | 1607 | the_printed_command_size = (length + PRINTED_COMMAND_INITIAL_SIZE - 1) & ~(PRINTED_COMMAND_INITIAL_SIZE - 1); |
f73dda09 | 1608 | the_printed_command = (char *)xmalloc (the_printed_command_size); |
726f6388 JA |
1609 | command_string_index = 0; |
1610 | } | |
1611 | else if ((command_string_index + length) >= the_printed_command_size) | |
1612 | { | |
1613 | int new; | |
1614 | new = command_string_index + length + 1; | |
bb70624e | 1615 | |
d166f048 JA |
1616 | /* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */ |
1617 | new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1); | |
726f6388 | 1618 | the_printed_command_size = new; |
bb70624e | 1619 | |
f73dda09 | 1620 | the_printed_command = (char *)xrealloc (the_printed_command, the_printed_command_size); |
726f6388 JA |
1621 | } |
1622 | } | |
ccc6cda3 | 1623 | |
f73dda09 JA |
1624 | #if defined (HAVE_VPRINTF) |
1625 | /* ``If vprintf is available, you may assume that vfprintf and vsprintf are | |
1626 | also available.'' */ | |
ccc6cda3 JA |
1627 | |
1628 | static void | |
d166f048 JA |
1629 | #if defined (PREFER_STDARG) |
1630 | xprintf (const char *format, ...) | |
1631 | #else | |
1632 | xprintf (format, va_alist) | |
1633 | const char *format; | |
ccc6cda3 | 1634 | va_dcl |
d166f048 | 1635 | #endif |
ccc6cda3 JA |
1636 | { |
1637 | va_list args; | |
ccc6cda3 | 1638 | |
7117c2d2 | 1639 | SH_VA_START (args, format); |
d166f048 | 1640 | |
ccc6cda3 JA |
1641 | vfprintf (stdout, format, args); |
1642 | va_end (args); | |
1643 | } | |
1644 | ||
1645 | #else | |
1646 | ||
1647 | static void | |
1648 | xprintf (format, arg1, arg2, arg3, arg4, arg5) | |
f73dda09 | 1649 | const char *format; |
ccc6cda3 JA |
1650 | { |
1651 | printf (format, arg1, arg2, arg3, arg4, arg5); | |
1652 | } | |
1653 | ||
f73dda09 | 1654 | #endif /* !HAVE_VPRINTF */ |