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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 | |
ac50fbac | 3 | /* Copyright (C) 1989-2011 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 JA |
40 | |
41 | #include "shell.h" | |
7117c2d2 | 42 | #include "flags.h" |
d166f048 | 43 | #include <y.tab.h> /* use <...> so we pick it up from the build directory */ |
95732b49 JA |
44 | |
45 | #include "shmbutil.h" | |
46 | ||
726f6388 JA |
47 | #include "builtins/common.h" |
48 | ||
f73dda09 | 49 | #if !HAVE_DECL_PRINTF |
726f6388 JA |
50 | extern int printf __P((const char *, ...)); /* Yuck. Double yuck. */ |
51 | #endif | |
52 | ||
7117c2d2 JA |
53 | extern int indirection_level; |
54 | ||
ccc6cda3 | 55 | static int indentation; |
726f6388 JA |
56 | static int indentation_amount = 4; |
57 | ||
d166f048 | 58 | #if defined (PREFER_STDARG) |
f73dda09 JA |
59 | typedef void PFUNC __P((const char *, ...)); |
60 | ||
61 | static void cprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
62 | static void xprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); | |
d166f048 | 63 | #else |
f73dda09 | 64 | #define PFUNC VFunction |
d166f048 | 65 | static void cprintf (); |
f73dda09 | 66 | static void xprintf (); |
d166f048 | 67 | #endif |
ccc6cda3 | 68 | |
f73dda09 JA |
69 | static void reset_locals __P((void)); |
70 | static void newline __P((char *)); | |
71 | static void indent __P((int)); | |
72 | static void semicolon __P((void)); | |
73 | static void the_printed_command_resize __P((int)); | |
726f6388 | 74 | |
f73dda09 JA |
75 | static void make_command_string_internal __P((COMMAND *)); |
76 | static void _print_word_list __P((WORD_LIST *, char *, PFUNC *)); | |
77 | static void command_print_word_list __P((WORD_LIST *, char *)); | |
78 | static void print_case_clauses __P((PATTERN_LIST *)); | |
79 | static void print_redirection_list __P((REDIRECT *)); | |
80 | static void print_redirection __P((REDIRECT *)); | |
3185942a JA |
81 | static void print_heredoc_header __P((REDIRECT *)); |
82 | static void print_heredoc_body __P((REDIRECT *)); | |
83 | static void print_heredocs __P((REDIRECT *)); | |
84 | static void print_deferred_heredocs __P((const char *)); | |
726f6388 | 85 | |
f73dda09 JA |
86 | static void print_for_command __P((FOR_COM *)); |
87 | #if defined (ARITH_FOR_COMMAND) | |
88 | static void print_arith_for_command __P((ARITH_FOR_COM *)); | |
89 | #endif | |
726f6388 | 90 | #if defined (SELECT_COMMAND) |
f73dda09 | 91 | static void print_select_command __P((SELECT_COM *)); |
726f6388 | 92 | #endif |
f73dda09 JA |
93 | static void print_group_command __P((GROUP_COM *)); |
94 | static void print_case_command __P((CASE_COM *)); | |
95 | static void print_while_command __P((WHILE_COM *)); | |
96 | static void print_until_command __P((WHILE_COM *)); | |
97 | static void print_until_or_while __P((WHILE_COM *, char *)); | |
98 | static void print_if_command __P((IF_COM *)); | |
cce855bc | 99 | #if defined (COND_COMMAND) |
f73dda09 | 100 | static void print_cond_node __P((COND_COM *)); |
bb70624e | 101 | #endif |
f73dda09 | 102 | static void print_function_def __P((FUNCTION_DEF *)); |
726f6388 | 103 | |
d166f048 JA |
104 | #define PRINTED_COMMAND_INITIAL_SIZE 64 |
105 | #define PRINTED_COMMAND_GROW_SIZE 128 | |
726f6388 JA |
106 | |
107 | char *the_printed_command = (char *)NULL; | |
108 | int the_printed_command_size = 0; | |
109 | int command_string_index = 0; | |
110 | ||
0001803f CR |
111 | int xtrace_fd = -1; |
112 | FILE *xtrace_fp = 0; | |
113 | ||
114 | #define CHECK_XTRACE_FP xtrace_fp = (xtrace_fp ? xtrace_fp : stderr) | |
115 | ||
ac50fbac CR |
116 | /* shell expansion characters: used in print_redirection_list */ |
117 | #define EXPCHAR(c) ((c) == '{' || (c) == '~' || (c) == '$' || (c) == '`') | |
118 | ||
30d188c2 CR |
119 | #define PRINT_DEFERRED_HEREDOCS(x) \ |
120 | do { \ | |
121 | if (deferred_heredocs) \ | |
122 | print_deferred_heredocs (x); \ | |
123 | } while (0) | |
124 | ||
726f6388 | 125 | /* Non-zero means the stuff being printed is inside of a function def. */ |
ccc6cda3 JA |
126 | static int inside_function_def; |
127 | static int skip_this_indent; | |
d166f048 | 128 | static int was_heredoc; |
3185942a JA |
129 | static int printing_connection; |
130 | static REDIRECT *deferred_heredocs; | |
726f6388 JA |
131 | |
132 | /* The depth of the group commands that we are currently printing. This | |
133 | includes the group command that is a function body. */ | |
ccc6cda3 | 134 | static int group_command_nesting; |
726f6388 | 135 | |
7117c2d2 | 136 | /* A buffer to indicate the indirection level (PS4) when set -x is enabled. */ |
ac50fbac CR |
137 | static char *indirection_string = 0; |
138 | static int indirection_stringsiz = 0; | |
7117c2d2 | 139 | |
726f6388 JA |
140 | /* Print COMMAND (a command tree) on standard output. */ |
141 | void | |
142 | print_command (command) | |
143 | COMMAND *command; | |
144 | { | |
145 | command_string_index = 0; | |
146 | printf ("%s", make_command_string (command)); | |
147 | } | |
148 | ||
149 | /* Make a string which is the printed representation of the command | |
150 | tree in COMMAND. We return this string. However, the string is | |
151 | not consed, so you have to do that yourself if you want it to | |
152 | remain around. */ | |
153 | char * | |
154 | make_command_string (command) | |
155 | COMMAND *command; | |
156 | { | |
d166f048 | 157 | command_string_index = was_heredoc = 0; |
3185942a | 158 | deferred_heredocs = 0; |
726f6388 JA |
159 | make_command_string_internal (command); |
160 | return (the_printed_command); | |
161 | } | |
162 | ||
163 | /* The internal function. This is the real workhorse. */ | |
164 | static void | |
165 | make_command_string_internal (command) | |
166 | COMMAND *command; | |
167 | { | |
495aee44 | 168 | char s[3]; |
3185942a | 169 | |
ccc6cda3 | 170 | if (command == 0) |
726f6388 JA |
171 | cprintf (""); |
172 | else | |
173 | { | |
174 | if (skip_this_indent) | |
175 | skip_this_indent--; | |
176 | else | |
177 | indent (indentation); | |
178 | ||
ccc6cda3 | 179 | if (command->flags & CMD_TIME_PIPELINE) |
d166f048 JA |
180 | { |
181 | cprintf ("time "); | |
182 | if (command->flags & CMD_TIME_POSIX) | |
183 | cprintf ("-p "); | |
184 | } | |
ccc6cda3 | 185 | |
726f6388 JA |
186 | if (command->flags & CMD_INVERT_RETURN) |
187 | cprintf ("! "); | |
188 | ||
189 | switch (command->type) | |
190 | { | |
191 | case cm_for: | |
192 | print_for_command (command->value.For); | |
193 | break; | |
194 | ||
bb70624e JA |
195 | #if defined (ARITH_FOR_COMMAND) |
196 | case cm_arith_for: | |
197 | print_arith_for_command (command->value.ArithFor); | |
198 | break; | |
199 | #endif | |
200 | ||
726f6388 JA |
201 | #if defined (SELECT_COMMAND) |
202 | case cm_select: | |
203 | print_select_command (command->value.Select); | |
204 | break; | |
205 | #endif | |
206 | ||
207 | case cm_case: | |
208 | print_case_command (command->value.Case); | |
209 | break; | |
210 | ||
211 | case cm_while: | |
212 | print_while_command (command->value.While); | |
213 | break; | |
214 | ||
215 | case cm_until: | |
216 | print_until_command (command->value.While); | |
217 | break; | |
218 | ||
219 | case cm_if: | |
220 | print_if_command (command->value.If); | |
221 | break; | |
222 | ||
cce855bc JA |
223 | #if defined (DPAREN_ARITHMETIC) |
224 | case cm_arith: | |
b80f6443 | 225 | print_arith_command (command->value.Arith->exp); |
cce855bc JA |
226 | break; |
227 | #endif | |
228 | ||
229 | #if defined (COND_COMMAND) | |
230 | case cm_cond: | |
231 | print_cond_command (command->value.Cond); | |
232 | break; | |
233 | #endif | |
234 | ||
726f6388 JA |
235 | case cm_simple: |
236 | print_simple_command (command->value.Simple); | |
237 | break; | |
238 | ||
ccc6cda3 | 239 | case cm_connection: |
726f6388 JA |
240 | |
241 | skip_this_indent++; | |
3185942a | 242 | printing_connection++; |
726f6388 JA |
243 | make_command_string_internal (command->value.Connection->first); |
244 | ||
245 | switch (command->value.Connection->connector) | |
246 | { | |
247 | case '&': | |
248 | case '|': | |
249 | { | |
250 | char c = command->value.Connection->connector; | |
3185942a JA |
251 | |
252 | s[0] = ' '; | |
253 | s[1] = c; | |
254 | s[2] = '\0'; | |
255 | ||
256 | print_deferred_heredocs (s); | |
257 | ||
726f6388 JA |
258 | if (c != '&' || command->value.Connection->second) |
259 | { | |
260 | cprintf (" "); | |
261 | skip_this_indent++; | |
262 | } | |
263 | } | |
264 | break; | |
265 | ||
266 | case AND_AND: | |
3185942a | 267 | print_deferred_heredocs (" && "); |
726f6388 JA |
268 | if (command->value.Connection->second) |
269 | skip_this_indent++; | |
270 | break; | |
271 | ||
272 | case OR_OR: | |
3185942a | 273 | print_deferred_heredocs (" || "); |
726f6388 JA |
274 | if (command->value.Connection->second) |
275 | skip_this_indent++; | |
276 | break; | |
ccc6cda3 | 277 | |
726f6388 | 278 | case ';': |
3185942a | 279 | if (deferred_heredocs == 0) |
17345e5a JA |
280 | { |
281 | if (was_heredoc == 0) | |
282 | cprintf (";"); | |
283 | else | |
284 | was_heredoc = 0; | |
285 | } | |
3185942a | 286 | else |
17345e5a | 287 | print_deferred_heredocs (inside_function_def ? "" : ";"); |
726f6388 JA |
288 | |
289 | if (inside_function_def) | |
290 | cprintf ("\n"); | |
291 | else | |
292 | { | |
293 | cprintf (" "); | |
294 | if (command->value.Connection->second) | |
295 | skip_this_indent++; | |
296 | } | |
297 | break; | |
298 | ||
299 | default: | |
b80f6443 | 300 | cprintf (_("print_command: bad connector `%d'"), |
726f6388 JA |
301 | command->value.Connection->connector); |
302 | break; | |
303 | } | |
304 | ||
305 | make_command_string_internal (command->value.Connection->second); | |
495aee44 | 306 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a | 307 | printing_connection--; |
726f6388 | 308 | break; |
ccc6cda3 | 309 | |
726f6388 JA |
310 | case cm_function_def: |
311 | print_function_def (command->value.Function_def); | |
312 | break; | |
313 | ||
314 | case cm_group: | |
315 | print_group_command (command->value.Group); | |
316 | break; | |
317 | ||
bb70624e JA |
318 | case cm_subshell: |
319 | cprintf ("( "); | |
320 | skip_this_indent++; | |
321 | make_command_string_internal (command->value.Subshell->command); | |
680d15e1 | 322 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
323 | cprintf (" )"); |
324 | break; | |
325 | ||
3185942a JA |
326 | case cm_coproc: |
327 | cprintf ("coproc %s ", command->value.Coproc->name); | |
328 | skip_this_indent++; | |
329 | make_command_string_internal (command->value.Coproc->command); | |
330 | break; | |
331 | ||
726f6388 | 332 | default: |
b72432fd | 333 | command_error ("print_command", CMDERR_BADTYPE, command->type, 0); |
726f6388 JA |
334 | break; |
335 | } | |
336 | ||
726f6388 JA |
337 | |
338 | if (command->redirects) | |
b72432fd JA |
339 | { |
340 | cprintf (" "); | |
341 | print_redirection_list (command->redirects); | |
342 | } | |
726f6388 JA |
343 | } |
344 | } | |
345 | ||
346 | static void | |
347 | _print_word_list (list, separator, pfunc) | |
348 | WORD_LIST *list; | |
349 | char *separator; | |
f73dda09 | 350 | PFUNC *pfunc; |
726f6388 | 351 | { |
ccc6cda3 JA |
352 | WORD_LIST *w; |
353 | ||
354 | for (w = list; w; w = w->next) | |
355 | (*pfunc) ("%s%s", w->word->word, w->next ? separator : ""); | |
726f6388 JA |
356 | } |
357 | ||
ccc6cda3 JA |
358 | void |
359 | print_word_list (list, separator) | |
726f6388 JA |
360 | WORD_LIST *list; |
361 | char *separator; | |
362 | { | |
ccc6cda3 JA |
363 | _print_word_list (list, separator, xprintf); |
364 | } | |
365 | ||
0001803f CR |
366 | void |
367 | xtrace_set (fd, fp) | |
368 | int fd; | |
369 | FILE *fp; | |
370 | { | |
371 | if (fd >= 0 && sh_validfd (fd) == 0) | |
372 | { | |
373 | internal_error (_("xtrace_set: %d: invalid file descriptor"), fd); | |
374 | return; | |
375 | } | |
376 | if (fp == 0) | |
377 | { | |
378 | internal_error (_("xtrace_set: NULL file pointer")); | |
379 | return; | |
380 | } | |
381 | if (fd >= 0 && fileno (fp) != fd) | |
382 | internal_warning (_("xtrace fd (%d) != fileno xtrace fp (%d)"), fd, fileno (fp)); | |
383 | ||
384 | xtrace_fd = fd; | |
385 | xtrace_fp = fp; | |
386 | } | |
387 | ||
388 | void | |
389 | xtrace_init () | |
390 | { | |
391 | xtrace_set (-1, stderr); | |
392 | } | |
393 | ||
394 | void | |
395 | xtrace_reset () | |
396 | { | |
397 | if (xtrace_fd >= 0 && xtrace_fp) | |
398 | { | |
399 | fflush (xtrace_fp); | |
400 | fclose (xtrace_fp); | |
401 | } | |
402 | else if (xtrace_fd >= 0) | |
403 | close (xtrace_fd); | |
404 | ||
405 | xtrace_fd = -1; | |
406 | xtrace_fp = stderr; | |
407 | } | |
408 | ||
409 | void | |
410 | xtrace_fdchk (fd) | |
411 | int fd; | |
412 | { | |
413 | if (fd == xtrace_fd) | |
414 | xtrace_reset (); | |
415 | } | |
416 | ||
7117c2d2 JA |
417 | /* Return a string denoting what our indirection level is. */ |
418 | ||
419 | char * | |
420 | indirection_level_string () | |
421 | { | |
422 | register int i, j; | |
423 | char *ps4; | |
95732b49 | 424 | char ps4_firstc[MB_LEN_MAX+1]; |
ac50fbac | 425 | int ps4_firstc_len, ps4_len, ineed, old; |
7117c2d2 | 426 | |
7117c2d2 | 427 | ps4 = get_string_value ("PS4"); |
ac50fbac CR |
428 | if (indirection_string == 0) |
429 | indirection_string = xmalloc (indirection_stringsiz = 100); | |
430 | indirection_string[0] = '\0'; | |
7117c2d2 JA |
431 | |
432 | if (ps4 == 0 || *ps4 == '\0') | |
433 | return (indirection_string); | |
434 | ||
ac50fbac | 435 | old = change_flag ('x', FLAG_OFF); |
7117c2d2 | 436 | ps4 = decode_prompt_string (ps4); |
ac50fbac CR |
437 | if (old) |
438 | change_flag ('x', FLAG_ON); | |
7117c2d2 | 439 | |
b80f6443 JA |
440 | if (ps4 == 0 || *ps4 == '\0') |
441 | return (indirection_string); | |
442 | ||
95732b49 JA |
443 | #if defined (HANDLE_MULTIBYTE) |
444 | ps4_len = strnlen (ps4, MB_CUR_MAX); | |
445 | ps4_firstc_len = MBLEN (ps4, ps4_len); | |
ac50fbac | 446 | if (ps4_firstc_len == 1 || ps4_firstc_len == 0 || ps4_firstc_len < 0) |
95732b49 JA |
447 | { |
448 | ps4_firstc[0] = ps4[0]; | |
449 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
450 | } | |
451 | else | |
452 | memcpy (ps4_firstc, ps4, ps4_firstc_len); | |
453 | #else | |
454 | ps4_firstc[0] = ps4[0]; | |
455 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
456 | #endif | |
ac50fbac CR |
457 | |
458 | /* Dynamically resize indirection_string so we have room for everything | |
459 | and we don't have to truncate ps4 */ | |
460 | ineed = (ps4_firstc_len * indirection_level) + strlen (ps4); | |
461 | if (ineed > indirection_stringsiz - 1) | |
462 | { | |
463 | indirection_stringsiz = ineed + 1; | |
464 | indirection_string = xrealloc (indirection_string, indirection_stringsiz); | |
465 | } | |
466 | ||
467 | for (i = j = 0; ps4_firstc[0] && j < indirection_level && i < indirection_stringsiz - 1; i += ps4_firstc_len, j++) | |
95732b49 JA |
468 | { |
469 | if (ps4_firstc_len == 1) | |
470 | indirection_string[i] = ps4_firstc[0]; | |
471 | else | |
472 | memcpy (indirection_string+i, ps4_firstc, ps4_firstc_len); | |
473 | } | |
7117c2d2 | 474 | |
ac50fbac | 475 | for (j = ps4_firstc_len; *ps4 && ps4[j] && i < indirection_stringsiz - 1; i++, j++) |
7117c2d2 JA |
476 | indirection_string[i] = ps4[j]; |
477 | ||
478 | indirection_string[i] = '\0'; | |
479 | free (ps4); | |
480 | return (indirection_string); | |
481 | } | |
482 | ||
b80f6443 JA |
483 | void |
484 | xtrace_print_assignment (name, value, assign_list, xflags) | |
485 | char *name, *value; | |
486 | int assign_list, xflags; | |
487 | { | |
488 | char *nval; | |
489 | ||
0001803f CR |
490 | CHECK_XTRACE_FP; |
491 | ||
b80f6443 | 492 | if (xflags) |
0001803f | 493 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 JA |
494 | |
495 | /* VALUE should not be NULL when this is called. */ | |
496 | if (*value == '\0' || assign_list) | |
497 | nval = value; | |
498 | else if (sh_contains_shell_metas (value)) | |
499 | nval = sh_single_quote (value); | |
500 | else if (ansic_shouldquote (value)) | |
501 | nval = ansic_quote (value, 0, (int *)0); | |
502 | else | |
503 | nval = value; | |
504 | ||
505 | if (assign_list) | |
0001803f | 506 | fprintf (xtrace_fp, "%s=(%s)\n", name, nval); |
b80f6443 | 507 | else |
0001803f | 508 | fprintf (xtrace_fp, "%s=%s\n", name, nval); |
b80f6443 JA |
509 | |
510 | if (nval != value) | |
511 | FREE (nval); | |
512 | ||
0001803f | 513 | fflush (xtrace_fp); |
b80f6443 JA |
514 | } |
515 | ||
ccc6cda3 JA |
516 | /* A function to print the words of a simple command when set -x is on. */ |
517 | void | |
b80f6443 | 518 | xtrace_print_word_list (list, xtflags) |
ccc6cda3 | 519 | WORD_LIST *list; |
b80f6443 | 520 | int xtflags; |
ccc6cda3 JA |
521 | { |
522 | WORD_LIST *w; | |
e8ce775d | 523 | char *t, *x; |
ccc6cda3 | 524 | |
0001803f CR |
525 | CHECK_XTRACE_FP; |
526 | ||
b80f6443 | 527 | if (xtflags) |
0001803f | 528 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 | 529 | |
ccc6cda3 JA |
530 | for (w = list; w; w = w->next) |
531 | { | |
532 | t = w->word->word; | |
533 | if (t == 0 || *t == '\0') | |
0001803f | 534 | fprintf (xtrace_fp, "''%s", w->next ? " " : ""); |
28ef6c31 | 535 | else if (sh_contains_shell_metas (t)) |
e8ce775d | 536 | { |
28ef6c31 | 537 | x = sh_single_quote (t); |
0001803f | 538 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
e8ce775d JA |
539 | free (x); |
540 | } | |
7117c2d2 JA |
541 | else if (ansic_shouldquote (t)) |
542 | { | |
543 | x = ansic_quote (t, 0, (int *)0); | |
0001803f | 544 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
7117c2d2 JA |
545 | free (x); |
546 | } | |
ccc6cda3 | 547 | else |
0001803f | 548 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); |
ccc6cda3 | 549 | } |
0001803f CR |
550 | fprintf (xtrace_fp, "\n"); |
551 | fflush (xtrace_fp); | |
726f6388 JA |
552 | } |
553 | ||
554 | static void | |
555 | command_print_word_list (list, separator) | |
556 | WORD_LIST *list; | |
557 | char *separator; | |
558 | { | |
559 | _print_word_list (list, separator, cprintf); | |
560 | } | |
561 | ||
b80f6443 JA |
562 | void |
563 | print_for_command_head (for_command) | |
726f6388 JA |
564 | FOR_COM *for_command; |
565 | { | |
566 | cprintf ("for %s in ", for_command->name->word); | |
567 | command_print_word_list (for_command->map_list, " "); | |
b80f6443 JA |
568 | } |
569 | ||
570 | void | |
571 | xtrace_print_for_command_head (for_command) | |
572 | FOR_COM *for_command; | |
573 | { | |
0001803f CR |
574 | CHECK_XTRACE_FP; |
575 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
576 | fprintf (xtrace_fp, "for %s in ", for_command->name->word); | |
b80f6443 JA |
577 | xtrace_print_word_list (for_command->map_list, 0); |
578 | } | |
579 | ||
580 | static void | |
581 | print_for_command (for_command) | |
582 | FOR_COM *for_command; | |
583 | { | |
584 | print_for_command_head (for_command); | |
726f6388 JA |
585 | cprintf (";"); |
586 | newline ("do\n"); | |
30d188c2 | 587 | |
726f6388 JA |
588 | indentation += indentation_amount; |
589 | make_command_string_internal (for_command->action); | |
30d188c2 | 590 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
591 | semicolon (); |
592 | indentation -= indentation_amount; | |
30d188c2 | 593 | |
726f6388 JA |
594 | newline ("done"); |
595 | } | |
596 | ||
bb70624e JA |
597 | #if defined (ARITH_FOR_COMMAND) |
598 | static void | |
599 | print_arith_for_command (arith_for_command) | |
600 | ARITH_FOR_COM *arith_for_command; | |
601 | { | |
b80f6443 | 602 | cprintf ("for (("); |
bb70624e | 603 | command_print_word_list (arith_for_command->init, " "); |
95732b49 | 604 | cprintf ("; "); |
bb70624e | 605 | command_print_word_list (arith_for_command->test, " "); |
95732b49 | 606 | cprintf ("; "); |
bb70624e | 607 | command_print_word_list (arith_for_command->step, " "); |
b80f6443 | 608 | cprintf ("))"); |
bb70624e JA |
609 | newline ("do\n"); |
610 | indentation += indentation_amount; | |
611 | make_command_string_internal (arith_for_command->action); | |
680d15e1 | 612 | PRINT_DEFERRED_HEREDOCS (""); |
bb70624e JA |
613 | semicolon (); |
614 | indentation -= indentation_amount; | |
615 | newline ("done"); | |
616 | } | |
617 | #endif /* ARITH_FOR_COMMAND */ | |
618 | ||
726f6388 | 619 | #if defined (SELECT_COMMAND) |
b80f6443 JA |
620 | void |
621 | print_select_command_head (select_command) | |
726f6388 JA |
622 | SELECT_COM *select_command; |
623 | { | |
624 | cprintf ("select %s in ", select_command->name->word); | |
625 | command_print_word_list (select_command->map_list, " "); | |
b80f6443 JA |
626 | } |
627 | ||
628 | void | |
629 | xtrace_print_select_command_head (select_command) | |
630 | SELECT_COM *select_command; | |
631 | { | |
0001803f CR |
632 | CHECK_XTRACE_FP; |
633 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
634 | fprintf (xtrace_fp, "select %s in ", select_command->name->word); | |
b80f6443 JA |
635 | xtrace_print_word_list (select_command->map_list, 0); |
636 | } | |
637 | ||
638 | static void | |
639 | print_select_command (select_command) | |
640 | SELECT_COM *select_command; | |
641 | { | |
642 | print_select_command_head (select_command); | |
643 | ||
726f6388 JA |
644 | cprintf (";"); |
645 | newline ("do\n"); | |
646 | indentation += indentation_amount; | |
647 | make_command_string_internal (select_command->action); | |
495aee44 | 648 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
649 | semicolon (); |
650 | indentation -= indentation_amount; | |
651 | newline ("done"); | |
652 | } | |
653 | #endif /* SELECT_COMMAND */ | |
654 | ||
655 | static void | |
656 | print_group_command (group_command) | |
657 | GROUP_COM *group_command; | |
658 | { | |
659 | group_command_nesting++; | |
660 | cprintf ("{ "); | |
661 | ||
ccc6cda3 | 662 | if (inside_function_def == 0) |
726f6388 JA |
663 | skip_this_indent++; |
664 | else | |
665 | { | |
666 | /* This is a group command { ... } inside of a function | |
ccc6cda3 | 667 | definition, and should be printed as a multiline group |
726f6388 JA |
668 | command, using the current indentation. */ |
669 | cprintf ("\n"); | |
670 | indentation += indentation_amount; | |
671 | } | |
672 | ||
673 | make_command_string_internal (group_command->command); | |
680d15e1 | 674 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 | 675 | |
ccc6cda3 | 676 | if (inside_function_def) |
726f6388 | 677 | { |
ccc6cda3 | 678 | cprintf ("\n"); |
726f6388 JA |
679 | indentation -= indentation_amount; |
680 | indent (indentation); | |
726f6388 | 681 | } |
ccc6cda3 JA |
682 | else |
683 | { | |
684 | semicolon (); | |
685 | cprintf (" "); | |
686 | } | |
687 | ||
726f6388 | 688 | cprintf ("}"); |
ccc6cda3 | 689 | |
726f6388 JA |
690 | group_command_nesting--; |
691 | } | |
692 | ||
b80f6443 JA |
693 | void |
694 | print_case_command_head (case_command) | |
695 | CASE_COM *case_command; | |
696 | { | |
697 | cprintf ("case %s in ", case_command->word->word); | |
698 | } | |
699 | ||
700 | void | |
701 | xtrace_print_case_command_head (case_command) | |
702 | CASE_COM *case_command; | |
703 | { | |
0001803f CR |
704 | CHECK_XTRACE_FP; |
705 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
706 | fprintf (xtrace_fp, "case %s in\n", case_command->word->word); | |
b80f6443 JA |
707 | } |
708 | ||
726f6388 JA |
709 | static void |
710 | print_case_command (case_command) | |
711 | CASE_COM *case_command; | |
712 | { | |
b80f6443 JA |
713 | print_case_command_head (case_command); |
714 | ||
726f6388 JA |
715 | if (case_command->clauses) |
716 | print_case_clauses (case_command->clauses); | |
717 | newline ("esac"); | |
718 | } | |
719 | ||
720 | static void | |
721 | print_case_clauses (clauses) | |
722 | PATTERN_LIST *clauses; | |
723 | { | |
724 | indentation += indentation_amount; | |
725 | while (clauses) | |
726 | { | |
727 | newline (""); | |
728 | command_print_word_list (clauses->patterns, " | "); | |
729 | cprintf (")\n"); | |
730 | indentation += indentation_amount; | |
731 | make_command_string_internal (clauses->action); | |
732 | indentation -= indentation_amount; | |
495aee44 | 733 | PRINT_DEFERRED_HEREDOCS (""); |
3185942a JA |
734 | if (clauses->flags & CASEPAT_FALLTHROUGH) |
735 | newline (";&"); | |
736 | else if (clauses->flags & CASEPAT_TESTNEXT) | |
737 | newline (";;&"); | |
738 | else | |
739 | newline (";;"); | |
726f6388 JA |
740 | clauses = clauses->next; |
741 | } | |
742 | indentation -= indentation_amount; | |
743 | } | |
744 | ||
745 | static void | |
746 | print_while_command (while_command) | |
747 | WHILE_COM *while_command; | |
748 | { | |
749 | print_until_or_while (while_command, "while"); | |
750 | } | |
751 | ||
752 | static void | |
753 | print_until_command (while_command) | |
754 | WHILE_COM *while_command; | |
755 | { | |
756 | print_until_or_while (while_command, "until"); | |
757 | } | |
758 | ||
759 | static void | |
760 | print_until_or_while (while_command, which) | |
761 | WHILE_COM *while_command; | |
762 | char *which; | |
763 | { | |
764 | cprintf ("%s ", which); | |
765 | skip_this_indent++; | |
766 | make_command_string_internal (while_command->test); | |
495aee44 | 767 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
768 | semicolon (); |
769 | cprintf (" do\n"); /* was newline ("do\n"); */ | |
770 | indentation += indentation_amount; | |
771 | make_command_string_internal (while_command->action); | |
495aee44 | 772 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
773 | indentation -= indentation_amount; |
774 | semicolon (); | |
775 | newline ("done"); | |
776 | } | |
777 | ||
778 | static void | |
779 | print_if_command (if_command) | |
780 | IF_COM *if_command; | |
781 | { | |
782 | cprintf ("if "); | |
783 | skip_this_indent++; | |
784 | make_command_string_internal (if_command->test); | |
785 | semicolon (); | |
786 | cprintf (" then\n"); | |
787 | indentation += indentation_amount; | |
788 | make_command_string_internal (if_command->true_case); | |
495aee44 | 789 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
790 | indentation -= indentation_amount; |
791 | ||
792 | if (if_command->false_case) | |
793 | { | |
794 | semicolon (); | |
795 | newline ("else\n"); | |
796 | indentation += indentation_amount; | |
797 | make_command_string_internal (if_command->false_case); | |
495aee44 | 798 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
799 | indentation -= indentation_amount; |
800 | } | |
801 | semicolon (); | |
802 | newline ("fi"); | |
803 | } | |
804 | ||
cce855bc | 805 | #if defined (DPAREN_ARITHMETIC) |
b80f6443 JA |
806 | void |
807 | print_arith_command (arith_cmd_list) | |
808 | WORD_LIST *arith_cmd_list; | |
cce855bc | 809 | { |
b80f6443 JA |
810 | cprintf ("(("); |
811 | command_print_word_list (arith_cmd_list, " "); | |
812 | cprintf ("))"); | |
cce855bc | 813 | } |
bb70624e | 814 | #endif |
cce855bc JA |
815 | |
816 | #if defined (COND_COMMAND) | |
817 | static void | |
818 | print_cond_node (cond) | |
819 | COND_COM *cond; | |
820 | { | |
821 | if (cond->flags & CMD_INVERT_RETURN) | |
822 | cprintf ("! "); | |
823 | ||
824 | if (cond->type == COND_EXPR) | |
825 | { | |
826 | cprintf ("( "); | |
827 | print_cond_node (cond->left); | |
828 | cprintf (" )"); | |
829 | } | |
830 | else if (cond->type == COND_AND) | |
831 | { | |
832 | print_cond_node (cond->left); | |
833 | cprintf (" && "); | |
834 | print_cond_node (cond->right); | |
835 | } | |
836 | else if (cond->type == COND_OR) | |
837 | { | |
838 | print_cond_node (cond->left); | |
839 | cprintf (" || "); | |
840 | print_cond_node (cond->right); | |
841 | } | |
842 | else if (cond->type == COND_UNARY) | |
843 | { | |
b72432fd | 844 | cprintf ("%s", cond->op->word); |
cce855bc JA |
845 | cprintf (" "); |
846 | print_cond_node (cond->left); | |
847 | } | |
848 | else if (cond->type == COND_BINARY) | |
849 | { | |
850 | print_cond_node (cond->left); | |
851 | cprintf (" "); | |
b72432fd | 852 | cprintf ("%s", cond->op->word); |
cce855bc JA |
853 | cprintf (" "); |
854 | print_cond_node (cond->right); | |
855 | } | |
856 | else if (cond->type == COND_TERM) | |
857 | { | |
b72432fd | 858 | cprintf ("%s", cond->op->word); /* need to add quoting here */ |
cce855bc JA |
859 | } |
860 | } | |
861 | ||
b80f6443 | 862 | void |
cce855bc JA |
863 | print_cond_command (cond) |
864 | COND_COM *cond; | |
865 | { | |
866 | cprintf ("[[ "); | |
867 | print_cond_node (cond); | |
868 | cprintf (" ]]"); | |
869 | } | |
870 | ||
28ef6c31 | 871 | #ifdef DEBUG |
ac50fbac CR |
872 | void |
873 | debug_print_word_list (s, list, sep) | |
874 | char *s; | |
875 | WORD_LIST *list; | |
876 | char *sep; | |
877 | { | |
878 | WORD_LIST *w; | |
879 | ||
880 | if (s) | |
881 | fprintf (stderr, "%s: ", s); | |
882 | for (w = list; w; w = w->next) | |
883 | fprintf (stderr, "%s%s", w->word->word, w->next ? sep : ""); | |
884 | fprintf (stderr, "\n"); | |
885 | } | |
886 | ||
cce855bc JA |
887 | void |
888 | debug_print_cond_command (cond) | |
889 | COND_COM *cond; | |
890 | { | |
891 | fprintf (stderr, "DEBUG: "); | |
892 | command_string_index = 0; | |
893 | print_cond_command (cond); | |
894 | fprintf (stderr, "%s\n", the_printed_command); | |
895 | } | |
28ef6c31 | 896 | #endif |
cce855bc JA |
897 | |
898 | void | |
899 | xtrace_print_cond_term (type, invert, op, arg1, arg2) | |
900 | int type, invert; | |
901 | WORD_DESC *op; | |
902 | char *arg1, *arg2; | |
903 | { | |
0001803f | 904 | CHECK_XTRACE_FP; |
cce855bc | 905 | command_string_index = 0; |
0001803f CR |
906 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
907 | fprintf (xtrace_fp, "[[ "); | |
cce855bc | 908 | if (invert) |
0001803f | 909 | fprintf (xtrace_fp, "! "); |
cce855bc JA |
910 | |
911 | if (type == COND_UNARY) | |
912 | { | |
0001803f CR |
913 | fprintf (xtrace_fp, "%s ", op->word); |
914 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
cce855bc JA |
915 | } |
916 | else if (type == COND_BINARY) | |
917 | { | |
0001803f CR |
918 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); |
919 | fprintf (xtrace_fp, " %s ", op->word); | |
920 | fprintf (xtrace_fp, "%s", (arg2 && *arg2) ? arg2 : "''"); | |
cce855bc JA |
921 | } |
922 | ||
0001803f CR |
923 | fprintf (xtrace_fp, " ]]\n"); |
924 | ||
925 | fflush (xtrace_fp); | |
cce855bc JA |
926 | } |
927 | #endif /* COND_COMMAND */ | |
928 | ||
bb70624e | 929 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
cce855bc JA |
930 | /* A function to print the words of an arithmetic command when set -x is on. */ |
931 | void | |
932 | xtrace_print_arith_cmd (list) | |
933 | WORD_LIST *list; | |
934 | { | |
935 | WORD_LIST *w; | |
936 | ||
0001803f CR |
937 | CHECK_XTRACE_FP; |
938 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
939 | fprintf (xtrace_fp, "(( "); | |
cce855bc | 940 | for (w = list; w; w = w->next) |
0001803f CR |
941 | fprintf (xtrace_fp, "%s%s", w->word->word, w->next ? " " : ""); |
942 | fprintf (xtrace_fp, " ))\n"); | |
943 | ||
944 | fflush (xtrace_fp); | |
cce855bc JA |
945 | } |
946 | #endif | |
947 | ||
726f6388 JA |
948 | void |
949 | print_simple_command (simple_command) | |
950 | SIMPLE_COM *simple_command; | |
951 | { | |
952 | command_print_word_list (simple_command->words, " "); | |
953 | ||
954 | if (simple_command->redirects) | |
955 | { | |
956 | cprintf (" "); | |
957 | print_redirection_list (simple_command->redirects); | |
958 | } | |
959 | } | |
960 | ||
3185942a JA |
961 | static void |
962 | print_heredocs (heredocs) | |
963 | REDIRECT *heredocs; | |
964 | { | |
965 | REDIRECT *hdtail; | |
966 | ||
967 | cprintf (" "); | |
968 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
969 | { | |
970 | print_redirection (hdtail); | |
971 | cprintf ("\n"); | |
972 | } | |
973 | was_heredoc = 1; | |
974 | } | |
975 | ||
976 | /* Print heredocs that are attached to the command before the connector | |
977 | represented by CSTRING. The parsing semantics require us to print the | |
978 | here-doc delimiters, then the connector (CSTRING), then the here-doc | |
979 | bodies. We don't print the connector if it's a `;', but we use it to | |
980 | note not to print an extra space after the last heredoc body and | |
981 | newline. */ | |
982 | static void | |
983 | print_deferred_heredocs (cstring) | |
984 | const char *cstring; | |
985 | { | |
986 | REDIRECT *hdtail; | |
987 | ||
988 | for (hdtail = deferred_heredocs; hdtail; hdtail = hdtail->next) | |
989 | { | |
990 | cprintf (" "); | |
991 | print_heredoc_header (hdtail); | |
992 | } | |
ac50fbac | 993 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a JA |
994 | cprintf ("%s", cstring); |
995 | if (deferred_heredocs) | |
996 | cprintf ("\n"); | |
997 | for (hdtail = deferred_heredocs; hdtail; hdtail = hdtail->next) | |
998 | { | |
999 | print_heredoc_body (hdtail); | |
1000 | cprintf ("\n"); | |
1001 | } | |
1002 | if (deferred_heredocs) | |
1003 | { | |
17345e5a | 1004 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a JA |
1005 | cprintf (" "); /* make sure there's at least one space */ |
1006 | dispose_redirects (deferred_heredocs); | |
17345e5a | 1007 | was_heredoc = 1; |
3185942a JA |
1008 | } |
1009 | deferred_heredocs = (REDIRECT *)NULL; | |
1010 | } | |
1011 | ||
726f6388 JA |
1012 | static void |
1013 | print_redirection_list (redirects) | |
1014 | REDIRECT *redirects; | |
1015 | { | |
d166f048 | 1016 | REDIRECT *heredocs, *hdtail, *newredir; |
ac50fbac | 1017 | char *rw; |
d166f048 JA |
1018 | |
1019 | heredocs = (REDIRECT *)NULL; | |
1020 | hdtail = heredocs; | |
1021 | ||
1022 | was_heredoc = 0; | |
726f6388 JA |
1023 | while (redirects) |
1024 | { | |
d166f048 JA |
1025 | /* Defer printing the here documents until we've printed the |
1026 | rest of the redirections. */ | |
1027 | if (redirects->instruction == r_reading_until || redirects->instruction == r_deblank_reading_until) | |
1028 | { | |
1029 | newredir = copy_redirect (redirects); | |
1030 | newredir->next = (REDIRECT *)NULL; | |
1031 | if (heredocs) | |
1032 | { | |
1033 | hdtail->next = newredir; | |
1034 | hdtail = newredir; | |
1035 | } | |
1036 | else | |
1037 | hdtail = heredocs = newredir; | |
1038 | } | |
ac50fbac | 1039 | else if (redirects->instruction == r_duplicating_output_word && (redirects->flags & REDIR_VARASSIGN) == 0 && redirects->redirector.dest == 1) |
b80f6443 JA |
1040 | { |
1041 | /* Temporarily translate it as the execution code does. */ | |
ac50fbac CR |
1042 | rw = redirects->redirectee.filename->word; |
1043 | if (rw && *rw != '-' && DIGIT (*rw) == 0 && EXPCHAR (*rw) == 0) | |
1044 | redirects->instruction = r_err_and_out; | |
b80f6443 JA |
1045 | print_redirection (redirects); |
1046 | redirects->instruction = r_duplicating_output_word; | |
1047 | } | |
d166f048 JA |
1048 | else |
1049 | print_redirection (redirects); | |
1050 | ||
726f6388 JA |
1051 | redirects = redirects->next; |
1052 | if (redirects) | |
1053 | cprintf (" "); | |
1054 | } | |
d166f048 JA |
1055 | |
1056 | /* Now that we've printed all the other redirections (on one line), | |
1057 | print the here documents. */ | |
3185942a JA |
1058 | if (heredocs && printing_connection) |
1059 | deferred_heredocs = heredocs; | |
1060 | else if (heredocs) | |
d166f048 | 1061 | { |
3185942a | 1062 | print_heredocs (heredocs); |
d166f048 | 1063 | dispose_redirects (heredocs); |
d166f048 | 1064 | } |
726f6388 JA |
1065 | } |
1066 | ||
3185942a JA |
1067 | static void |
1068 | print_heredoc_header (redirect) | |
1069 | REDIRECT *redirect; | |
1070 | { | |
1071 | int kill_leading; | |
1072 | char *x; | |
1073 | ||
1074 | kill_leading = redirect->instruction == r_deblank_reading_until; | |
1075 | ||
1076 | /* Here doc header */ | |
0001803f CR |
1077 | if (redirect->rflags & REDIR_VARASSIGN) |
1078 | cprintf ("{%s}", redirect->redirector.filename->word); | |
1079 | else if (redirect->redirector.dest != 0) | |
1080 | cprintf ("%d", redirect->redirector.dest); | |
3185942a JA |
1081 | |
1082 | /* If the here document delimiter is quoted, single-quote it. */ | |
1083 | if (redirect->redirectee.filename->flags & W_QUOTED) | |
1084 | { | |
1085 | x = sh_single_quote (redirect->here_doc_eof); | |
1086 | cprintf ("<<%s%s", kill_leading ? "-" : "", x); | |
1087 | free (x); | |
1088 | } | |
1089 | else | |
1090 | cprintf ("<<%s%s", kill_leading ? "-" : "", redirect->here_doc_eof); | |
1091 | } | |
1092 | ||
1093 | static void | |
1094 | print_heredoc_body (redirect) | |
1095 | REDIRECT *redirect; | |
1096 | { | |
1097 | /* Here doc body */ | |
1098 | cprintf ("%s%s", redirect->redirectee.filename->word, redirect->here_doc_eof); | |
1099 | } | |
1100 | ||
726f6388 JA |
1101 | static void |
1102 | print_redirection (redirect) | |
1103 | REDIRECT *redirect; | |
1104 | { | |
495aee44 | 1105 | int redirector, redir_fd; |
0001803f | 1106 | WORD_DESC *redirectee, *redir_word; |
d166f048 | 1107 | |
d166f048 | 1108 | redirectee = redirect->redirectee.filename; |
d166f048 | 1109 | redir_fd = redirect->redirectee.dest; |
726f6388 | 1110 | |
0001803f CR |
1111 | redir_word = redirect->redirector.filename; |
1112 | redirector = redirect->redirector.dest; | |
1113 | ||
726f6388 JA |
1114 | switch (redirect->instruction) |
1115 | { | |
0001803f CR |
1116 | case r_input_direction: |
1117 | if (redirect->rflags & REDIR_VARASSIGN) | |
1118 | cprintf ("{%s}", redir_word->word); | |
1119 | else if (redirector != 0) | |
726f6388 | 1120 | cprintf ("%d", redirector); |
0001803f | 1121 | cprintf ("< %s", redirectee->word); |
726f6388 JA |
1122 | break; |
1123 | ||
0001803f CR |
1124 | case r_output_direction: |
1125 | if (redirect->rflags & REDIR_VARASSIGN) | |
1126 | cprintf ("{%s}", redir_word->word); | |
1127 | else if (redirector != 1) | |
726f6388 | 1128 | cprintf ("%d", redirector); |
0001803f | 1129 | cprintf ("> %s", redirectee->word); |
726f6388 JA |
1130 | break; |
1131 | ||
1132 | case r_inputa_direction: /* Redirection created by the shell. */ | |
1133 | cprintf ("&"); | |
1134 | break; | |
1135 | ||
0001803f CR |
1136 | case r_output_force: |
1137 | if (redirect->rflags & REDIR_VARASSIGN) | |
1138 | cprintf ("{%s}", redir_word->word); | |
1139 | else if (redirector != 1) | |
1140 | cprintf ("%d", redirector); | |
ac50fbac | 1141 | cprintf (">| %s", redirectee->word); |
0001803f CR |
1142 | break; |
1143 | ||
726f6388 | 1144 | case r_appending_to: |
0001803f CR |
1145 | if (redirect->rflags & REDIR_VARASSIGN) |
1146 | cprintf ("{%s}", redir_word->word); | |
1147 | else if (redirector != 1) | |
726f6388 | 1148 | cprintf ("%d", redirector); |
0628567a | 1149 | cprintf (">> %s", redirectee->word); |
726f6388 JA |
1150 | break; |
1151 | ||
0001803f CR |
1152 | case r_input_output: |
1153 | if (redirect->rflags & REDIR_VARASSIGN) | |
1154 | cprintf ("{%s}", redir_word->word); | |
1155 | else if (redirector != 1) | |
1156 | cprintf ("%d", redirector); | |
1157 | cprintf ("<> %s", redirectee->word); | |
1158 | break; | |
1159 | ||
726f6388 | 1160 | case r_deblank_reading_until: |
726f6388 | 1161 | case r_reading_until: |
3185942a JA |
1162 | print_heredoc_header (redirect); |
1163 | cprintf ("\n"); | |
1164 | print_heredoc_body (redirect); | |
726f6388 JA |
1165 | break; |
1166 | ||
7117c2d2 | 1167 | case r_reading_string: |
0001803f CR |
1168 | if (redirect->rflags & REDIR_VARASSIGN) |
1169 | cprintf ("{%s}", redir_word->word); | |
1170 | else if (redirector != 0) | |
7117c2d2 | 1171 | cprintf ("%d", redirector); |
495aee44 CR |
1172 | #if 0 |
1173 | /* Don't need to check whether or not to requote, since original quotes | |
1174 | are still intact. The only thing that has happened is that $'...' | |
1175 | has been replaced with 'expanded ...'. */ | |
7117c2d2 JA |
1176 | if (ansic_shouldquote (redirect->redirectee.filename->word)) |
1177 | { | |
1178 | char *x; | |
1179 | x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0); | |
1180 | cprintf ("<<< %s", x); | |
1181 | free (x); | |
1182 | } | |
1183 | else | |
495aee44 | 1184 | #endif |
7117c2d2 JA |
1185 | cprintf ("<<< %s", redirect->redirectee.filename->word); |
1186 | break; | |
1187 | ||
726f6388 | 1188 | case r_duplicating_input: |
0001803f CR |
1189 | if (redirect->rflags & REDIR_VARASSIGN) |
1190 | cprintf ("{%s}<&%d", redir_word->word, redir_fd); | |
1191 | else | |
1192 | cprintf ("%d<&%d", redirector, redir_fd); | |
726f6388 JA |
1193 | break; |
1194 | ||
1195 | case r_duplicating_output: | |
0001803f CR |
1196 | if (redirect->rflags & REDIR_VARASSIGN) |
1197 | cprintf ("{%s}>&%d", redir_word->word, redir_fd); | |
1198 | else | |
1199 | cprintf ("%d>&%d", redirector, redir_fd); | |
726f6388 JA |
1200 | break; |
1201 | ||
1202 | case r_duplicating_input_word: | |
0001803f CR |
1203 | if (redirect->rflags & REDIR_VARASSIGN) |
1204 | cprintf ("{%s}<&%s", redir_word->word, redirectee->word); | |
1205 | else | |
1206 | cprintf ("%d<&%s", redirector, redirectee->word); | |
726f6388 JA |
1207 | break; |
1208 | ||
1209 | case r_duplicating_output_word: | |
0001803f CR |
1210 | if (redirect->rflags & REDIR_VARASSIGN) |
1211 | cprintf ("{%s}>&%s", redir_word->word, redirectee->word); | |
1212 | else | |
1213 | cprintf ("%d>&%s", redirector, redirectee->word); | |
726f6388 JA |
1214 | break; |
1215 | ||
7117c2d2 | 1216 | case r_move_input: |
0001803f CR |
1217 | if (redirect->rflags & REDIR_VARASSIGN) |
1218 | cprintf ("{%s}<&%d-", redir_word->word, redir_fd); | |
1219 | else | |
1220 | cprintf ("%d<&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1221 | break; |
1222 | ||
1223 | case r_move_output: | |
0001803f CR |
1224 | if (redirect->rflags & REDIR_VARASSIGN) |
1225 | cprintf ("{%s}>&%d-", redir_word->word, redir_fd); | |
1226 | else | |
1227 | cprintf ("%d>&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1228 | break; |
1229 | ||
1230 | case r_move_input_word: | |
0001803f CR |
1231 | if (redirect->rflags & REDIR_VARASSIGN) |
1232 | cprintf ("{%s}<&%s-", redir_word->word, redirectee->word); | |
1233 | else | |
1234 | cprintf ("%d<&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1235 | break; |
1236 | ||
1237 | case r_move_output_word: | |
0001803f CR |
1238 | if (redirect->rflags & REDIR_VARASSIGN) |
1239 | cprintf ("{%s}>&%s-", redir_word->word, redirectee->word); | |
1240 | else | |
1241 | cprintf ("%d>&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1242 | break; |
1243 | ||
726f6388 | 1244 | case r_close_this: |
0001803f CR |
1245 | if (redirect->rflags & REDIR_VARASSIGN) |
1246 | cprintf ("{%s}>&-", redir_word->word); | |
1247 | else | |
1248 | cprintf ("%d>&-", redirector); | |
726f6388 JA |
1249 | break; |
1250 | ||
1251 | case r_err_and_out: | |
ac50fbac | 1252 | cprintf ("&> %s", redirectee->word); |
3185942a JA |
1253 | break; |
1254 | ||
1255 | case r_append_err_and_out: | |
ac50fbac | 1256 | cprintf ("&>> %s", redirectee->word); |
726f6388 | 1257 | break; |
726f6388 JA |
1258 | } |
1259 | } | |
1260 | ||
1261 | static void | |
1262 | reset_locals () | |
1263 | { | |
1264 | inside_function_def = 0; | |
1265 | indentation = 0; | |
3185942a JA |
1266 | printing_connection = 0; |
1267 | deferred_heredocs = 0; | |
726f6388 JA |
1268 | } |
1269 | ||
1270 | static void | |
1271 | print_function_def (func) | |
1272 | FUNCTION_DEF *func; | |
1273 | { | |
bb70624e JA |
1274 | COMMAND *cmdcopy; |
1275 | REDIRECT *func_redirects; | |
1276 | ||
f73dda09 | 1277 | func_redirects = NULL; |
726f6388 JA |
1278 | cprintf ("function %s () \n", func->name->word); |
1279 | add_unwind_protect (reset_locals, 0); | |
1280 | ||
1281 | indent (indentation); | |
1282 | cprintf ("{ \n"); | |
1283 | ||
1284 | inside_function_def++; | |
1285 | indentation += indentation_amount; | |
1286 | ||
bb70624e JA |
1287 | cmdcopy = copy_command (func->command); |
1288 | if (cmdcopy->type == cm_group) | |
1289 | { | |
28ef6c31 JA |
1290 | func_redirects = cmdcopy->redirects; |
1291 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1292 | } |
1293 | make_command_string_internal (cmdcopy->type == cm_group | |
1294 | ? cmdcopy->value.Group->command | |
1295 | : cmdcopy); | |
ac50fbac | 1296 | /* XXX - PRINT_DEFERRED_HEREDOCS (""); ? */ |
ccc6cda3 | 1297 | |
726f6388 JA |
1298 | remove_unwind_protect (); |
1299 | indentation -= indentation_amount; | |
1300 | inside_function_def--; | |
1301 | ||
bb70624e JA |
1302 | if (func_redirects) |
1303 | { /* { */ | |
1304 | newline ("} "); | |
1305 | print_redirection_list (func_redirects); | |
28ef6c31 | 1306 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1307 | } |
1308 | else | |
1309 | newline ("}"); | |
1310 | ||
1311 | dispose_command (cmdcopy); | |
726f6388 JA |
1312 | } |
1313 | ||
1314 | /* Return the string representation of the named function. | |
1315 | NAME is the name of the function. | |
1316 | COMMAND is the function body. It should be a GROUP_COM. | |
3185942a JA |
1317 | flags&FUNC_MULTILINE is non-zero to pretty-print, or zero for all on one line. |
1318 | flags&FUNC_EXTERNAL means convert from internal to external form | |
726f6388 JA |
1319 | */ |
1320 | char * | |
3185942a | 1321 | named_function_string (name, command, flags) |
726f6388 JA |
1322 | char *name; |
1323 | COMMAND *command; | |
3185942a | 1324 | int flags; |
726f6388 JA |
1325 | { |
1326 | char *result; | |
ccc6cda3 | 1327 | int old_indent, old_amount; |
bb70624e JA |
1328 | COMMAND *cmdcopy; |
1329 | REDIRECT *func_redirects; | |
726f6388 | 1330 | |
ccc6cda3 JA |
1331 | old_indent = indentation; |
1332 | old_amount = indentation_amount; | |
d166f048 | 1333 | command_string_index = was_heredoc = 0; |
3185942a | 1334 | deferred_heredocs = 0; |
726f6388 JA |
1335 | |
1336 | if (name && *name) | |
1337 | cprintf ("%s ", name); | |
1338 | ||
1339 | cprintf ("() "); | |
1340 | ||
3185942a | 1341 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1342 | { |
1343 | indentation = 1; | |
1344 | indentation_amount = 0; | |
1345 | } | |
1346 | else | |
1347 | { | |
1348 | cprintf ("\n"); | |
1349 | indentation += indentation_amount; | |
1350 | } | |
1351 | ||
1352 | inside_function_def++; | |
1353 | ||
3185942a | 1354 | cprintf ((flags & FUNC_MULTILINE) ? "{ \n" : "{ "); |
726f6388 | 1355 | |
bb70624e JA |
1356 | cmdcopy = copy_command (command); |
1357 | /* Take any redirections specified in the function definition (which should | |
1358 | apply to the function as a whole) and save them for printing later. */ | |
1359 | func_redirects = (REDIRECT *)NULL; | |
1360 | if (cmdcopy->type == cm_group) | |
1361 | { | |
28ef6c31 JA |
1362 | func_redirects = cmdcopy->redirects; |
1363 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1364 | } |
1365 | make_command_string_internal (cmdcopy->type == cm_group | |
1366 | ? cmdcopy->value.Group->command | |
1367 | : cmdcopy); | |
ac50fbac | 1368 | /* XXX - PRINT_DEFERRED_HEREDOCS (""); ? */ |
726f6388 JA |
1369 | |
1370 | indentation = old_indent; | |
1371 | indentation_amount = old_amount; | |
1372 | inside_function_def--; | |
1373 | ||
bb70624e JA |
1374 | if (func_redirects) |
1375 | { /* { */ | |
1376 | newline ("} "); | |
1377 | print_redirection_list (func_redirects); | |
28ef6c31 | 1378 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1379 | } |
1380 | else | |
1381 | newline ("}"); | |
726f6388 JA |
1382 | |
1383 | result = the_printed_command; | |
1384 | ||
3185942a | 1385 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1386 | { |
1387 | #if 0 | |
1388 | register int i; | |
1389 | for (i = 0; result[i]; i++) | |
1390 | if (result[i] == '\n') | |
1391 | { | |
1392 | strcpy (result + i, result + i + 1); | |
1393 | --i; | |
1394 | } | |
1395 | #else | |
1396 | if (result[2] == '\n') /* XXX -- experimental */ | |
ac50fbac CR |
1397 | memmove (result + 2, result + 3, strlen (result) - 2); |
1398 | ||
726f6388 JA |
1399 | #endif |
1400 | } | |
1401 | ||
bb70624e JA |
1402 | dispose_command (cmdcopy); |
1403 | ||
3185942a JA |
1404 | if (flags & FUNC_EXTERNAL) |
1405 | result = remove_quoted_escapes (result); | |
1406 | ||
726f6388 JA |
1407 | return (result); |
1408 | } | |
1409 | ||
1410 | static void | |
1411 | newline (string) | |
1412 | char *string; | |
1413 | { | |
1414 | cprintf ("\n"); | |
1415 | indent (indentation); | |
1416 | if (string && *string) | |
1417 | cprintf ("%s", string); | |
1418 | } | |
1419 | ||
ccc6cda3 JA |
1420 | static char *indentation_string; |
1421 | static int indentation_size; | |
1422 | ||
726f6388 JA |
1423 | static void |
1424 | indent (amount) | |
1425 | int amount; | |
1426 | { | |
ccc6cda3 JA |
1427 | register int i; |
1428 | ||
1429 | RESIZE_MALLOCED_BUFFER (indentation_string, 0, amount, indentation_size, 16); | |
1430 | ||
1431 | for (i = 0; amount > 0; amount--) | |
1432 | indentation_string[i++] = ' '; | |
1433 | indentation_string[i] = '\0'; | |
ac50fbac | 1434 | cprintf ("%s", indentation_string); |
726f6388 JA |
1435 | } |
1436 | ||
1437 | static void | |
1438 | semicolon () | |
1439 | { | |
7117c2d2 JA |
1440 | if (command_string_index > 0 && |
1441 | (the_printed_command[command_string_index - 1] == '&' || | |
0001803f | 1442 | the_printed_command[command_string_index - 1] == '\n')) |
726f6388 JA |
1443 | return; |
1444 | cprintf (";"); | |
1445 | } | |
1446 | ||
726f6388 JA |
1447 | /* How to make the string. */ |
1448 | static void | |
ccc6cda3 | 1449 | #if defined (PREFER_STDARG) |
f73dda09 | 1450 | cprintf (const char *control, ...) |
ccc6cda3 JA |
1451 | #else |
1452 | cprintf (control, va_alist) | |
f73dda09 | 1453 | const char *control; |
726f6388 | 1454 | va_dcl |
ccc6cda3 | 1455 | #endif |
726f6388 | 1456 | { |
f73dda09 JA |
1457 | register const char *s; |
1458 | char char_arg[2], *argp, intbuf[INT_STRLEN_BOUND (int) + 1]; | |
726f6388 JA |
1459 | int digit_arg, arg_len, c; |
1460 | va_list args; | |
1461 | ||
7117c2d2 | 1462 | SH_VA_START (args, control); |
726f6388 JA |
1463 | |
1464 | arg_len = strlen (control); | |
1465 | the_printed_command_resize (arg_len + 1); | |
1466 | ||
1467 | char_arg[1] = '\0'; | |
1468 | s = control; | |
1469 | while (s && *s) | |
1470 | { | |
726f6388 | 1471 | c = *s++; |
ccc6cda3 | 1472 | argp = (char *)NULL; |
726f6388 JA |
1473 | if (c != '%' || !*s) |
1474 | { | |
f73dda09 JA |
1475 | char_arg[0] = c; |
1476 | argp = char_arg; | |
726f6388 JA |
1477 | arg_len = 1; |
1478 | } | |
1479 | else | |
1480 | { | |
1481 | c = *s++; | |
1482 | switch (c) | |
1483 | { | |
1484 | case '%': | |
1485 | char_arg[0] = c; | |
1486 | argp = char_arg; | |
1487 | arg_len = 1; | |
1488 | break; | |
1489 | ||
1490 | case 's': | |
1491 | argp = va_arg (args, char *); | |
1492 | arg_len = strlen (argp); | |
1493 | break; | |
1494 | ||
1495 | case 'd': | |
f73dda09 JA |
1496 | /* Represent an out-of-range file descriptor with an out-of-range |
1497 | integer value. We can do this because the only use of `%d' in | |
1498 | the calls to cprintf is to output a file descriptor number for | |
1499 | a redirection. */ | |
726f6388 | 1500 | digit_arg = va_arg (args, int); |
f73dda09 JA |
1501 | if (digit_arg < 0) |
1502 | { | |
1503 | sprintf (intbuf, "%u", (unsigned)-1); | |
1504 | argp = intbuf; | |
1505 | } | |
1506 | else | |
0001803f | 1507 | argp = inttostr (digit_arg, intbuf, sizeof (intbuf)); |
726f6388 | 1508 | arg_len = strlen (argp); |
726f6388 JA |
1509 | break; |
1510 | ||
1511 | case 'c': | |
1512 | char_arg[0] = va_arg (args, int); | |
1513 | argp = char_arg; | |
1514 | arg_len = 1; | |
1515 | break; | |
1516 | ||
1517 | default: | |
b80f6443 | 1518 | programming_error (_("cprintf: `%c': invalid format character"), c); |
ccc6cda3 | 1519 | /*NOTREACHED*/ |
726f6388 JA |
1520 | } |
1521 | } | |
1522 | ||
ccc6cda3 | 1523 | if (argp && arg_len) |
726f6388 JA |
1524 | { |
1525 | the_printed_command_resize (arg_len + 1); | |
1526 | FASTCOPY (argp, the_printed_command + command_string_index, arg_len); | |
1527 | command_string_index += arg_len; | |
726f6388 JA |
1528 | } |
1529 | } | |
1530 | ||
ac50fbac CR |
1531 | va_end (args); |
1532 | ||
726f6388 JA |
1533 | the_printed_command[command_string_index] = '\0'; |
1534 | } | |
726f6388 JA |
1535 | |
1536 | /* Ensure that there is enough space to stuff LENGTH characters into | |
1537 | THE_PRINTED_COMMAND. */ | |
1538 | static void | |
1539 | the_printed_command_resize (length) | |
1540 | int length; | |
1541 | { | |
d166f048 | 1542 | if (the_printed_command == 0) |
726f6388 | 1543 | { |
d166f048 | 1544 | the_printed_command_size = (length + PRINTED_COMMAND_INITIAL_SIZE - 1) & ~(PRINTED_COMMAND_INITIAL_SIZE - 1); |
f73dda09 | 1545 | the_printed_command = (char *)xmalloc (the_printed_command_size); |
726f6388 JA |
1546 | command_string_index = 0; |
1547 | } | |
1548 | else if ((command_string_index + length) >= the_printed_command_size) | |
1549 | { | |
1550 | int new; | |
1551 | new = command_string_index + length + 1; | |
bb70624e | 1552 | |
d166f048 JA |
1553 | /* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */ |
1554 | new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1); | |
726f6388 | 1555 | the_printed_command_size = new; |
bb70624e | 1556 | |
f73dda09 | 1557 | the_printed_command = (char *)xrealloc (the_printed_command, the_printed_command_size); |
726f6388 JA |
1558 | } |
1559 | } | |
ccc6cda3 | 1560 | |
f73dda09 JA |
1561 | #if defined (HAVE_VPRINTF) |
1562 | /* ``If vprintf is available, you may assume that vfprintf and vsprintf are | |
1563 | also available.'' */ | |
ccc6cda3 JA |
1564 | |
1565 | static void | |
d166f048 JA |
1566 | #if defined (PREFER_STDARG) |
1567 | xprintf (const char *format, ...) | |
1568 | #else | |
1569 | xprintf (format, va_alist) | |
1570 | const char *format; | |
ccc6cda3 | 1571 | va_dcl |
d166f048 | 1572 | #endif |
ccc6cda3 JA |
1573 | { |
1574 | va_list args; | |
ccc6cda3 | 1575 | |
7117c2d2 | 1576 | SH_VA_START (args, format); |
d166f048 | 1577 | |
ccc6cda3 JA |
1578 | vfprintf (stdout, format, args); |
1579 | va_end (args); | |
1580 | } | |
1581 | ||
1582 | #else | |
1583 | ||
1584 | static void | |
1585 | xprintf (format, arg1, arg2, arg3, arg4, arg5) | |
f73dda09 | 1586 | const char *format; |
ccc6cda3 JA |
1587 | { |
1588 | printf (format, arg1, arg2, arg3, arg4, arg5); | |
1589 | } | |
1590 | ||
f73dda09 | 1591 | #endif /* !HAVE_VPRINTF */ |