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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 | |
3185942a | 3 | /* Copyright (C) 1989-2009 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 | ||
30d188c2 CR |
116 | #define PRINT_DEFERRED_HEREDOCS(x) \ |
117 | do { \ | |
118 | if (deferred_heredocs) \ | |
119 | print_deferred_heredocs (x); \ | |
120 | } while (0) | |
121 | ||
726f6388 | 122 | /* Non-zero means the stuff being printed is inside of a function def. */ |
ccc6cda3 JA |
123 | static int inside_function_def; |
124 | static int skip_this_indent; | |
d166f048 | 125 | static int was_heredoc; |
3185942a JA |
126 | static int printing_connection; |
127 | static REDIRECT *deferred_heredocs; | |
726f6388 JA |
128 | |
129 | /* The depth of the group commands that we are currently printing. This | |
130 | includes the group command that is a function body. */ | |
ccc6cda3 | 131 | static int group_command_nesting; |
726f6388 | 132 | |
7117c2d2 JA |
133 | /* A buffer to indicate the indirection level (PS4) when set -x is enabled. */ |
134 | static char indirection_string[100]; | |
135 | ||
726f6388 JA |
136 | /* Print COMMAND (a command tree) on standard output. */ |
137 | void | |
138 | print_command (command) | |
139 | COMMAND *command; | |
140 | { | |
141 | command_string_index = 0; | |
142 | printf ("%s", make_command_string (command)); | |
143 | } | |
144 | ||
145 | /* Make a string which is the printed representation of the command | |
146 | tree in COMMAND. We return this string. However, the string is | |
147 | not consed, so you have to do that yourself if you want it to | |
148 | remain around. */ | |
149 | char * | |
150 | make_command_string (command) | |
151 | COMMAND *command; | |
152 | { | |
d166f048 | 153 | command_string_index = was_heredoc = 0; |
3185942a | 154 | deferred_heredocs = 0; |
726f6388 JA |
155 | make_command_string_internal (command); |
156 | return (the_printed_command); | |
157 | } | |
158 | ||
159 | /* The internal function. This is the real workhorse. */ | |
160 | static void | |
161 | make_command_string_internal (command) | |
162 | COMMAND *command; | |
163 | { | |
17345e5a | 164 | char s[3], *op; |
3185942a | 165 | |
ccc6cda3 | 166 | if (command == 0) |
726f6388 JA |
167 | cprintf (""); |
168 | else | |
169 | { | |
170 | if (skip_this_indent) | |
171 | skip_this_indent--; | |
172 | else | |
173 | indent (indentation); | |
174 | ||
ccc6cda3 | 175 | if (command->flags & CMD_TIME_PIPELINE) |
d166f048 JA |
176 | { |
177 | cprintf ("time "); | |
178 | if (command->flags & CMD_TIME_POSIX) | |
179 | cprintf ("-p "); | |
180 | } | |
ccc6cda3 | 181 | |
726f6388 JA |
182 | if (command->flags & CMD_INVERT_RETURN) |
183 | cprintf ("! "); | |
184 | ||
185 | switch (command->type) | |
186 | { | |
187 | case cm_for: | |
188 | print_for_command (command->value.For); | |
189 | break; | |
190 | ||
bb70624e JA |
191 | #if defined (ARITH_FOR_COMMAND) |
192 | case cm_arith_for: | |
193 | print_arith_for_command (command->value.ArithFor); | |
194 | break; | |
195 | #endif | |
196 | ||
726f6388 JA |
197 | #if defined (SELECT_COMMAND) |
198 | case cm_select: | |
199 | print_select_command (command->value.Select); | |
200 | break; | |
201 | #endif | |
202 | ||
203 | case cm_case: | |
204 | print_case_command (command->value.Case); | |
205 | break; | |
206 | ||
207 | case cm_while: | |
208 | print_while_command (command->value.While); | |
209 | break; | |
210 | ||
211 | case cm_until: | |
212 | print_until_command (command->value.While); | |
213 | break; | |
214 | ||
215 | case cm_if: | |
216 | print_if_command (command->value.If); | |
217 | break; | |
218 | ||
cce855bc JA |
219 | #if defined (DPAREN_ARITHMETIC) |
220 | case cm_arith: | |
b80f6443 | 221 | print_arith_command (command->value.Arith->exp); |
cce855bc JA |
222 | break; |
223 | #endif | |
224 | ||
225 | #if defined (COND_COMMAND) | |
226 | case cm_cond: | |
227 | print_cond_command (command->value.Cond); | |
228 | break; | |
229 | #endif | |
230 | ||
726f6388 JA |
231 | case cm_simple: |
232 | print_simple_command (command->value.Simple); | |
233 | break; | |
234 | ||
ccc6cda3 | 235 | case cm_connection: |
726f6388 JA |
236 | |
237 | skip_this_indent++; | |
3185942a | 238 | printing_connection++; |
726f6388 JA |
239 | make_command_string_internal (command->value.Connection->first); |
240 | ||
241 | switch (command->value.Connection->connector) | |
242 | { | |
243 | case '&': | |
244 | case '|': | |
245 | { | |
246 | char c = command->value.Connection->connector; | |
3185942a JA |
247 | |
248 | s[0] = ' '; | |
249 | s[1] = c; | |
250 | s[2] = '\0'; | |
251 | ||
252 | print_deferred_heredocs (s); | |
253 | ||
726f6388 JA |
254 | if (c != '&' || command->value.Connection->second) |
255 | { | |
256 | cprintf (" "); | |
257 | skip_this_indent++; | |
258 | } | |
259 | } | |
260 | break; | |
261 | ||
262 | case AND_AND: | |
3185942a | 263 | print_deferred_heredocs (" && "); |
726f6388 JA |
264 | if (command->value.Connection->second) |
265 | skip_this_indent++; | |
266 | break; | |
267 | ||
268 | case OR_OR: | |
3185942a | 269 | print_deferred_heredocs (" || "); |
726f6388 JA |
270 | if (command->value.Connection->second) |
271 | skip_this_indent++; | |
272 | break; | |
ccc6cda3 | 273 | |
726f6388 | 274 | case ';': |
3185942a | 275 | if (deferred_heredocs == 0) |
17345e5a JA |
276 | { |
277 | if (was_heredoc == 0) | |
278 | cprintf (";"); | |
279 | else | |
280 | was_heredoc = 0; | |
281 | } | |
3185942a | 282 | else |
17345e5a | 283 | print_deferred_heredocs (inside_function_def ? "" : ";"); |
726f6388 JA |
284 | |
285 | if (inside_function_def) | |
286 | cprintf ("\n"); | |
287 | else | |
288 | { | |
289 | cprintf (" "); | |
290 | if (command->value.Connection->second) | |
291 | skip_this_indent++; | |
292 | } | |
293 | break; | |
294 | ||
295 | default: | |
b80f6443 | 296 | cprintf (_("print_command: bad connector `%d'"), |
726f6388 JA |
297 | command->value.Connection->connector); |
298 | break; | |
299 | } | |
300 | ||
301 | make_command_string_internal (command->value.Connection->second); | |
17345e5a JA |
302 | if (deferred_heredocs) |
303 | print_deferred_heredocs (""); | |
3185942a | 304 | printing_connection--; |
726f6388 | 305 | break; |
ccc6cda3 | 306 | |
726f6388 JA |
307 | case cm_function_def: |
308 | print_function_def (command->value.Function_def); | |
309 | break; | |
310 | ||
311 | case cm_group: | |
312 | print_group_command (command->value.Group); | |
313 | break; | |
314 | ||
bb70624e JA |
315 | case cm_subshell: |
316 | cprintf ("( "); | |
317 | skip_this_indent++; | |
318 | make_command_string_internal (command->value.Subshell->command); | |
319 | cprintf (" )"); | |
320 | break; | |
321 | ||
3185942a JA |
322 | case cm_coproc: |
323 | cprintf ("coproc %s ", command->value.Coproc->name); | |
324 | skip_this_indent++; | |
325 | make_command_string_internal (command->value.Coproc->command); | |
326 | break; | |
327 | ||
726f6388 | 328 | default: |
b72432fd | 329 | command_error ("print_command", CMDERR_BADTYPE, command->type, 0); |
726f6388 JA |
330 | break; |
331 | } | |
332 | ||
726f6388 JA |
333 | |
334 | if (command->redirects) | |
b72432fd JA |
335 | { |
336 | cprintf (" "); | |
337 | print_redirection_list (command->redirects); | |
338 | } | |
726f6388 JA |
339 | } |
340 | } | |
341 | ||
342 | static void | |
343 | _print_word_list (list, separator, pfunc) | |
344 | WORD_LIST *list; | |
345 | char *separator; | |
f73dda09 | 346 | PFUNC *pfunc; |
726f6388 | 347 | { |
ccc6cda3 JA |
348 | WORD_LIST *w; |
349 | ||
350 | for (w = list; w; w = w->next) | |
351 | (*pfunc) ("%s%s", w->word->word, w->next ? separator : ""); | |
726f6388 JA |
352 | } |
353 | ||
ccc6cda3 JA |
354 | void |
355 | print_word_list (list, separator) | |
726f6388 JA |
356 | WORD_LIST *list; |
357 | char *separator; | |
358 | { | |
ccc6cda3 JA |
359 | _print_word_list (list, separator, xprintf); |
360 | } | |
361 | ||
0001803f CR |
362 | void |
363 | xtrace_set (fd, fp) | |
364 | int fd; | |
365 | FILE *fp; | |
366 | { | |
367 | if (fd >= 0 && sh_validfd (fd) == 0) | |
368 | { | |
369 | internal_error (_("xtrace_set: %d: invalid file descriptor"), fd); | |
370 | return; | |
371 | } | |
372 | if (fp == 0) | |
373 | { | |
374 | internal_error (_("xtrace_set: NULL file pointer")); | |
375 | return; | |
376 | } | |
377 | if (fd >= 0 && fileno (fp) != fd) | |
378 | internal_warning (_("xtrace fd (%d) != fileno xtrace fp (%d)"), fd, fileno (fp)); | |
379 | ||
380 | xtrace_fd = fd; | |
381 | xtrace_fp = fp; | |
382 | } | |
383 | ||
384 | void | |
385 | xtrace_init () | |
386 | { | |
387 | xtrace_set (-1, stderr); | |
388 | } | |
389 | ||
390 | void | |
391 | xtrace_reset () | |
392 | { | |
393 | if (xtrace_fd >= 0 && xtrace_fp) | |
394 | { | |
395 | fflush (xtrace_fp); | |
396 | fclose (xtrace_fp); | |
397 | } | |
398 | else if (xtrace_fd >= 0) | |
399 | close (xtrace_fd); | |
400 | ||
401 | xtrace_fd = -1; | |
402 | xtrace_fp = stderr; | |
403 | } | |
404 | ||
405 | void | |
406 | xtrace_fdchk (fd) | |
407 | int fd; | |
408 | { | |
409 | if (fd == xtrace_fd) | |
410 | xtrace_reset (); | |
411 | } | |
412 | ||
7117c2d2 JA |
413 | /* Return a string denoting what our indirection level is. */ |
414 | ||
415 | char * | |
416 | indirection_level_string () | |
417 | { | |
418 | register int i, j; | |
419 | char *ps4; | |
95732b49 JA |
420 | char ps4_firstc[MB_LEN_MAX+1]; |
421 | int ps4_firstc_len, ps4_len; | |
7117c2d2 JA |
422 | |
423 | indirection_string[0] = '\0'; | |
424 | ps4 = get_string_value ("PS4"); | |
425 | ||
426 | if (ps4 == 0 || *ps4 == '\0') | |
427 | return (indirection_string); | |
428 | ||
429 | change_flag ('x', FLAG_OFF); | |
430 | ps4 = decode_prompt_string (ps4); | |
431 | change_flag ('x', FLAG_ON); | |
432 | ||
b80f6443 JA |
433 | if (ps4 == 0 || *ps4 == '\0') |
434 | return (indirection_string); | |
435 | ||
95732b49 JA |
436 | #if defined (HANDLE_MULTIBYTE) |
437 | ps4_len = strnlen (ps4, MB_CUR_MAX); | |
438 | ps4_firstc_len = MBLEN (ps4, ps4_len); | |
439 | if (ps4_firstc_len == 1 || ps4_firstc_len == 0 || MB_INVALIDCH (ps4_firstc_len)) | |
440 | { | |
441 | ps4_firstc[0] = ps4[0]; | |
442 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
443 | } | |
444 | else | |
445 | memcpy (ps4_firstc, ps4, ps4_firstc_len); | |
446 | #else | |
447 | ps4_firstc[0] = ps4[0]; | |
448 | ps4_firstc[ps4_firstc_len = 1] = '\0'; | |
449 | #endif | |
450 | ||
451 | for (i = j = 0; ps4_firstc[0] && j < indirection_level && i < 99; i += ps4_firstc_len, j++) | |
452 | { | |
453 | if (ps4_firstc_len == 1) | |
454 | indirection_string[i] = ps4_firstc[0]; | |
455 | else | |
456 | memcpy (indirection_string+i, ps4_firstc, ps4_firstc_len); | |
457 | } | |
7117c2d2 | 458 | |
95732b49 | 459 | for (j = ps4_firstc_len; *ps4 && ps4[j] && i < 99; i++, j++) |
7117c2d2 JA |
460 | indirection_string[i] = ps4[j]; |
461 | ||
462 | indirection_string[i] = '\0'; | |
463 | free (ps4); | |
464 | return (indirection_string); | |
465 | } | |
466 | ||
b80f6443 JA |
467 | void |
468 | xtrace_print_assignment (name, value, assign_list, xflags) | |
469 | char *name, *value; | |
470 | int assign_list, xflags; | |
471 | { | |
472 | char *nval; | |
473 | ||
0001803f CR |
474 | CHECK_XTRACE_FP; |
475 | ||
b80f6443 | 476 | if (xflags) |
0001803f | 477 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 JA |
478 | |
479 | /* VALUE should not be NULL when this is called. */ | |
480 | if (*value == '\0' || assign_list) | |
481 | nval = value; | |
482 | else if (sh_contains_shell_metas (value)) | |
483 | nval = sh_single_quote (value); | |
484 | else if (ansic_shouldquote (value)) | |
485 | nval = ansic_quote (value, 0, (int *)0); | |
486 | else | |
487 | nval = value; | |
488 | ||
489 | if (assign_list) | |
0001803f | 490 | fprintf (xtrace_fp, "%s=(%s)\n", name, nval); |
b80f6443 | 491 | else |
0001803f | 492 | fprintf (xtrace_fp, "%s=%s\n", name, nval); |
b80f6443 JA |
493 | |
494 | if (nval != value) | |
495 | FREE (nval); | |
496 | ||
0001803f | 497 | fflush (xtrace_fp); |
b80f6443 JA |
498 | } |
499 | ||
ccc6cda3 JA |
500 | /* A function to print the words of a simple command when set -x is on. */ |
501 | void | |
b80f6443 | 502 | xtrace_print_word_list (list, xtflags) |
ccc6cda3 | 503 | WORD_LIST *list; |
b80f6443 | 504 | int xtflags; |
ccc6cda3 JA |
505 | { |
506 | WORD_LIST *w; | |
e8ce775d | 507 | char *t, *x; |
ccc6cda3 | 508 | |
0001803f CR |
509 | CHECK_XTRACE_FP; |
510 | ||
b80f6443 | 511 | if (xtflags) |
0001803f | 512 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
b80f6443 | 513 | |
ccc6cda3 JA |
514 | for (w = list; w; w = w->next) |
515 | { | |
516 | t = w->word->word; | |
517 | if (t == 0 || *t == '\0') | |
0001803f | 518 | fprintf (xtrace_fp, "''%s", w->next ? " " : ""); |
28ef6c31 | 519 | else if (sh_contains_shell_metas (t)) |
e8ce775d | 520 | { |
28ef6c31 | 521 | x = sh_single_quote (t); |
0001803f | 522 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
e8ce775d JA |
523 | free (x); |
524 | } | |
7117c2d2 JA |
525 | else if (ansic_shouldquote (t)) |
526 | { | |
527 | x = ansic_quote (t, 0, (int *)0); | |
0001803f | 528 | fprintf (xtrace_fp, "%s%s", x, w->next ? " " : ""); |
7117c2d2 JA |
529 | free (x); |
530 | } | |
ccc6cda3 | 531 | else |
0001803f | 532 | fprintf (xtrace_fp, "%s%s", t, w->next ? " " : ""); |
ccc6cda3 | 533 | } |
0001803f CR |
534 | fprintf (xtrace_fp, "\n"); |
535 | fflush (xtrace_fp); | |
726f6388 JA |
536 | } |
537 | ||
538 | static void | |
539 | command_print_word_list (list, separator) | |
540 | WORD_LIST *list; | |
541 | char *separator; | |
542 | { | |
543 | _print_word_list (list, separator, cprintf); | |
544 | } | |
545 | ||
b80f6443 JA |
546 | void |
547 | print_for_command_head (for_command) | |
726f6388 JA |
548 | FOR_COM *for_command; |
549 | { | |
550 | cprintf ("for %s in ", for_command->name->word); | |
551 | command_print_word_list (for_command->map_list, " "); | |
b80f6443 JA |
552 | } |
553 | ||
554 | void | |
555 | xtrace_print_for_command_head (for_command) | |
556 | FOR_COM *for_command; | |
557 | { | |
0001803f CR |
558 | CHECK_XTRACE_FP; |
559 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
560 | fprintf (xtrace_fp, "for %s in ", for_command->name->word); | |
b80f6443 JA |
561 | xtrace_print_word_list (for_command->map_list, 0); |
562 | } | |
563 | ||
564 | static void | |
565 | print_for_command (for_command) | |
566 | FOR_COM *for_command; | |
567 | { | |
568 | print_for_command_head (for_command); | |
726f6388 JA |
569 | cprintf (";"); |
570 | newline ("do\n"); | |
30d188c2 | 571 | |
726f6388 JA |
572 | indentation += indentation_amount; |
573 | make_command_string_internal (for_command->action); | |
30d188c2 | 574 | PRINT_DEFERRED_HEREDOCS (""); |
726f6388 JA |
575 | semicolon (); |
576 | indentation -= indentation_amount; | |
30d188c2 | 577 | |
726f6388 JA |
578 | newline ("done"); |
579 | } | |
580 | ||
bb70624e JA |
581 | #if defined (ARITH_FOR_COMMAND) |
582 | static void | |
583 | print_arith_for_command (arith_for_command) | |
584 | ARITH_FOR_COM *arith_for_command; | |
585 | { | |
b80f6443 | 586 | cprintf ("for (("); |
bb70624e | 587 | command_print_word_list (arith_for_command->init, " "); |
95732b49 | 588 | cprintf ("; "); |
bb70624e | 589 | command_print_word_list (arith_for_command->test, " "); |
95732b49 | 590 | cprintf ("; "); |
bb70624e | 591 | command_print_word_list (arith_for_command->step, " "); |
b80f6443 | 592 | cprintf ("))"); |
bb70624e JA |
593 | newline ("do\n"); |
594 | indentation += indentation_amount; | |
595 | make_command_string_internal (arith_for_command->action); | |
596 | semicolon (); | |
597 | indentation -= indentation_amount; | |
598 | newline ("done"); | |
599 | } | |
600 | #endif /* ARITH_FOR_COMMAND */ | |
601 | ||
726f6388 | 602 | #if defined (SELECT_COMMAND) |
b80f6443 JA |
603 | void |
604 | print_select_command_head (select_command) | |
726f6388 JA |
605 | SELECT_COM *select_command; |
606 | { | |
607 | cprintf ("select %s in ", select_command->name->word); | |
608 | command_print_word_list (select_command->map_list, " "); | |
b80f6443 JA |
609 | } |
610 | ||
611 | void | |
612 | xtrace_print_select_command_head (select_command) | |
613 | SELECT_COM *select_command; | |
614 | { | |
0001803f CR |
615 | CHECK_XTRACE_FP; |
616 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
617 | fprintf (xtrace_fp, "select %s in ", select_command->name->word); | |
b80f6443 JA |
618 | xtrace_print_word_list (select_command->map_list, 0); |
619 | } | |
620 | ||
621 | static void | |
622 | print_select_command (select_command) | |
623 | SELECT_COM *select_command; | |
624 | { | |
625 | print_select_command_head (select_command); | |
626 | ||
726f6388 JA |
627 | cprintf (";"); |
628 | newline ("do\n"); | |
629 | indentation += indentation_amount; | |
630 | make_command_string_internal (select_command->action); | |
631 | semicolon (); | |
632 | indentation -= indentation_amount; | |
633 | newline ("done"); | |
634 | } | |
635 | #endif /* SELECT_COMMAND */ | |
636 | ||
637 | static void | |
638 | print_group_command (group_command) | |
639 | GROUP_COM *group_command; | |
640 | { | |
641 | group_command_nesting++; | |
642 | cprintf ("{ "); | |
643 | ||
ccc6cda3 | 644 | if (inside_function_def == 0) |
726f6388 JA |
645 | skip_this_indent++; |
646 | else | |
647 | { | |
648 | /* This is a group command { ... } inside of a function | |
ccc6cda3 | 649 | definition, and should be printed as a multiline group |
726f6388 JA |
650 | command, using the current indentation. */ |
651 | cprintf ("\n"); | |
652 | indentation += indentation_amount; | |
653 | } | |
654 | ||
655 | make_command_string_internal (group_command->command); | |
656 | ||
ccc6cda3 | 657 | if (inside_function_def) |
726f6388 | 658 | { |
ccc6cda3 | 659 | cprintf ("\n"); |
726f6388 JA |
660 | indentation -= indentation_amount; |
661 | indent (indentation); | |
726f6388 | 662 | } |
ccc6cda3 JA |
663 | else |
664 | { | |
665 | semicolon (); | |
666 | cprintf (" "); | |
667 | } | |
668 | ||
726f6388 | 669 | cprintf ("}"); |
ccc6cda3 | 670 | |
726f6388 JA |
671 | group_command_nesting--; |
672 | } | |
673 | ||
b80f6443 JA |
674 | void |
675 | print_case_command_head (case_command) | |
676 | CASE_COM *case_command; | |
677 | { | |
678 | cprintf ("case %s in ", case_command->word->word); | |
679 | } | |
680 | ||
681 | void | |
682 | xtrace_print_case_command_head (case_command) | |
683 | CASE_COM *case_command; | |
684 | { | |
0001803f CR |
685 | CHECK_XTRACE_FP; |
686 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
687 | fprintf (xtrace_fp, "case %s in\n", case_command->word->word); | |
b80f6443 JA |
688 | } |
689 | ||
726f6388 JA |
690 | static void |
691 | print_case_command (case_command) | |
692 | CASE_COM *case_command; | |
693 | { | |
b80f6443 JA |
694 | print_case_command_head (case_command); |
695 | ||
726f6388 JA |
696 | if (case_command->clauses) |
697 | print_case_clauses (case_command->clauses); | |
698 | newline ("esac"); | |
699 | } | |
700 | ||
701 | static void | |
702 | print_case_clauses (clauses) | |
703 | PATTERN_LIST *clauses; | |
704 | { | |
705 | indentation += indentation_amount; | |
706 | while (clauses) | |
707 | { | |
708 | newline (""); | |
709 | command_print_word_list (clauses->patterns, " | "); | |
710 | cprintf (")\n"); | |
711 | indentation += indentation_amount; | |
712 | make_command_string_internal (clauses->action); | |
713 | indentation -= indentation_amount; | |
3185942a JA |
714 | if (clauses->flags & CASEPAT_FALLTHROUGH) |
715 | newline (";&"); | |
716 | else if (clauses->flags & CASEPAT_TESTNEXT) | |
717 | newline (";;&"); | |
718 | else | |
719 | newline (";;"); | |
726f6388 JA |
720 | clauses = clauses->next; |
721 | } | |
722 | indentation -= indentation_amount; | |
723 | } | |
724 | ||
725 | static void | |
726 | print_while_command (while_command) | |
727 | WHILE_COM *while_command; | |
728 | { | |
729 | print_until_or_while (while_command, "while"); | |
730 | } | |
731 | ||
732 | static void | |
733 | print_until_command (while_command) | |
734 | WHILE_COM *while_command; | |
735 | { | |
736 | print_until_or_while (while_command, "until"); | |
737 | } | |
738 | ||
739 | static void | |
740 | print_until_or_while (while_command, which) | |
741 | WHILE_COM *while_command; | |
742 | char *which; | |
743 | { | |
744 | cprintf ("%s ", which); | |
745 | skip_this_indent++; | |
746 | make_command_string_internal (while_command->test); | |
747 | semicolon (); | |
748 | cprintf (" do\n"); /* was newline ("do\n"); */ | |
749 | indentation += indentation_amount; | |
750 | make_command_string_internal (while_command->action); | |
751 | indentation -= indentation_amount; | |
752 | semicolon (); | |
753 | newline ("done"); | |
754 | } | |
755 | ||
756 | static void | |
757 | print_if_command (if_command) | |
758 | IF_COM *if_command; | |
759 | { | |
760 | cprintf ("if "); | |
761 | skip_this_indent++; | |
762 | make_command_string_internal (if_command->test); | |
763 | semicolon (); | |
764 | cprintf (" then\n"); | |
765 | indentation += indentation_amount; | |
766 | make_command_string_internal (if_command->true_case); | |
767 | indentation -= indentation_amount; | |
768 | ||
769 | if (if_command->false_case) | |
770 | { | |
771 | semicolon (); | |
772 | newline ("else\n"); | |
773 | indentation += indentation_amount; | |
774 | make_command_string_internal (if_command->false_case); | |
775 | indentation -= indentation_amount; | |
776 | } | |
777 | semicolon (); | |
778 | newline ("fi"); | |
779 | } | |
780 | ||
cce855bc | 781 | #if defined (DPAREN_ARITHMETIC) |
b80f6443 JA |
782 | void |
783 | print_arith_command (arith_cmd_list) | |
784 | WORD_LIST *arith_cmd_list; | |
cce855bc | 785 | { |
b80f6443 JA |
786 | cprintf ("(("); |
787 | command_print_word_list (arith_cmd_list, " "); | |
788 | cprintf ("))"); | |
cce855bc | 789 | } |
bb70624e | 790 | #endif |
cce855bc JA |
791 | |
792 | #if defined (COND_COMMAND) | |
793 | static void | |
794 | print_cond_node (cond) | |
795 | COND_COM *cond; | |
796 | { | |
797 | if (cond->flags & CMD_INVERT_RETURN) | |
798 | cprintf ("! "); | |
799 | ||
800 | if (cond->type == COND_EXPR) | |
801 | { | |
802 | cprintf ("( "); | |
803 | print_cond_node (cond->left); | |
804 | cprintf (" )"); | |
805 | } | |
806 | else if (cond->type == COND_AND) | |
807 | { | |
808 | print_cond_node (cond->left); | |
809 | cprintf (" && "); | |
810 | print_cond_node (cond->right); | |
811 | } | |
812 | else if (cond->type == COND_OR) | |
813 | { | |
814 | print_cond_node (cond->left); | |
815 | cprintf (" || "); | |
816 | print_cond_node (cond->right); | |
817 | } | |
818 | else if (cond->type == COND_UNARY) | |
819 | { | |
b72432fd | 820 | cprintf ("%s", cond->op->word); |
cce855bc JA |
821 | cprintf (" "); |
822 | print_cond_node (cond->left); | |
823 | } | |
824 | else if (cond->type == COND_BINARY) | |
825 | { | |
826 | print_cond_node (cond->left); | |
827 | cprintf (" "); | |
b72432fd | 828 | cprintf ("%s", cond->op->word); |
cce855bc JA |
829 | cprintf (" "); |
830 | print_cond_node (cond->right); | |
831 | } | |
832 | else if (cond->type == COND_TERM) | |
833 | { | |
b72432fd | 834 | cprintf ("%s", cond->op->word); /* need to add quoting here */ |
cce855bc JA |
835 | } |
836 | } | |
837 | ||
b80f6443 | 838 | void |
cce855bc JA |
839 | print_cond_command (cond) |
840 | COND_COM *cond; | |
841 | { | |
842 | cprintf ("[[ "); | |
843 | print_cond_node (cond); | |
844 | cprintf (" ]]"); | |
845 | } | |
846 | ||
28ef6c31 | 847 | #ifdef DEBUG |
cce855bc JA |
848 | void |
849 | debug_print_cond_command (cond) | |
850 | COND_COM *cond; | |
851 | { | |
852 | fprintf (stderr, "DEBUG: "); | |
853 | command_string_index = 0; | |
854 | print_cond_command (cond); | |
855 | fprintf (stderr, "%s\n", the_printed_command); | |
856 | } | |
28ef6c31 | 857 | #endif |
cce855bc JA |
858 | |
859 | void | |
860 | xtrace_print_cond_term (type, invert, op, arg1, arg2) | |
861 | int type, invert; | |
862 | WORD_DESC *op; | |
863 | char *arg1, *arg2; | |
864 | { | |
0001803f | 865 | CHECK_XTRACE_FP; |
cce855bc | 866 | command_string_index = 0; |
0001803f CR |
867 | fprintf (xtrace_fp, "%s", indirection_level_string ()); |
868 | fprintf (xtrace_fp, "[[ "); | |
cce855bc | 869 | if (invert) |
0001803f | 870 | fprintf (xtrace_fp, "! "); |
cce855bc JA |
871 | |
872 | if (type == COND_UNARY) | |
873 | { | |
0001803f CR |
874 | fprintf (xtrace_fp, "%s ", op->word); |
875 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); | |
cce855bc JA |
876 | } |
877 | else if (type == COND_BINARY) | |
878 | { | |
0001803f CR |
879 | fprintf (xtrace_fp, "%s", (arg1 && *arg1) ? arg1 : "''"); |
880 | fprintf (xtrace_fp, " %s ", op->word); | |
881 | fprintf (xtrace_fp, "%s", (arg2 && *arg2) ? arg2 : "''"); | |
cce855bc JA |
882 | } |
883 | ||
0001803f CR |
884 | fprintf (xtrace_fp, " ]]\n"); |
885 | ||
886 | fflush (xtrace_fp); | |
cce855bc JA |
887 | } |
888 | #endif /* COND_COMMAND */ | |
889 | ||
bb70624e | 890 | #if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND) |
cce855bc JA |
891 | /* A function to print the words of an arithmetic command when set -x is on. */ |
892 | void | |
893 | xtrace_print_arith_cmd (list) | |
894 | WORD_LIST *list; | |
895 | { | |
896 | WORD_LIST *w; | |
897 | ||
0001803f CR |
898 | CHECK_XTRACE_FP; |
899 | fprintf (xtrace_fp, "%s", indirection_level_string ()); | |
900 | fprintf (xtrace_fp, "(( "); | |
cce855bc | 901 | for (w = list; w; w = w->next) |
0001803f CR |
902 | fprintf (xtrace_fp, "%s%s", w->word->word, w->next ? " " : ""); |
903 | fprintf (xtrace_fp, " ))\n"); | |
904 | ||
905 | fflush (xtrace_fp); | |
cce855bc JA |
906 | } |
907 | #endif | |
908 | ||
726f6388 JA |
909 | void |
910 | print_simple_command (simple_command) | |
911 | SIMPLE_COM *simple_command; | |
912 | { | |
913 | command_print_word_list (simple_command->words, " "); | |
914 | ||
915 | if (simple_command->redirects) | |
916 | { | |
917 | cprintf (" "); | |
918 | print_redirection_list (simple_command->redirects); | |
919 | } | |
920 | } | |
921 | ||
3185942a JA |
922 | static void |
923 | print_heredocs (heredocs) | |
924 | REDIRECT *heredocs; | |
925 | { | |
926 | REDIRECT *hdtail; | |
927 | ||
928 | cprintf (" "); | |
929 | for (hdtail = heredocs; hdtail; hdtail = hdtail->next) | |
930 | { | |
931 | print_redirection (hdtail); | |
932 | cprintf ("\n"); | |
933 | } | |
934 | was_heredoc = 1; | |
935 | } | |
936 | ||
937 | /* Print heredocs that are attached to the command before the connector | |
938 | represented by CSTRING. The parsing semantics require us to print the | |
939 | here-doc delimiters, then the connector (CSTRING), then the here-doc | |
940 | bodies. We don't print the connector if it's a `;', but we use it to | |
941 | note not to print an extra space after the last heredoc body and | |
942 | newline. */ | |
943 | static void | |
944 | print_deferred_heredocs (cstring) | |
945 | const char *cstring; | |
946 | { | |
947 | REDIRECT *hdtail; | |
948 | ||
949 | for (hdtail = deferred_heredocs; hdtail; hdtail = hdtail->next) | |
950 | { | |
951 | cprintf (" "); | |
952 | print_heredoc_header (hdtail); | |
953 | } | |
954 | if (cstring[0] != ';' || cstring[1]) | |
955 | cprintf ("%s", cstring); | |
956 | if (deferred_heredocs) | |
957 | cprintf ("\n"); | |
958 | for (hdtail = deferred_heredocs; hdtail; hdtail = hdtail->next) | |
959 | { | |
960 | print_heredoc_body (hdtail); | |
961 | cprintf ("\n"); | |
962 | } | |
963 | if (deferred_heredocs) | |
964 | { | |
17345e5a | 965 | if (cstring && cstring[0] && (cstring[0] != ';' || cstring[1])) |
3185942a JA |
966 | cprintf (" "); /* make sure there's at least one space */ |
967 | dispose_redirects (deferred_heredocs); | |
17345e5a | 968 | was_heredoc = 1; |
3185942a JA |
969 | } |
970 | deferred_heredocs = (REDIRECT *)NULL; | |
971 | } | |
972 | ||
726f6388 JA |
973 | static void |
974 | print_redirection_list (redirects) | |
975 | REDIRECT *redirects; | |
976 | { | |
d166f048 JA |
977 | REDIRECT *heredocs, *hdtail, *newredir; |
978 | ||
979 | heredocs = (REDIRECT *)NULL; | |
980 | hdtail = heredocs; | |
981 | ||
982 | was_heredoc = 0; | |
726f6388 JA |
983 | while (redirects) |
984 | { | |
d166f048 JA |
985 | /* Defer printing the here documents until we've printed the |
986 | rest of the redirections. */ | |
987 | if (redirects->instruction == r_reading_until || redirects->instruction == r_deblank_reading_until) | |
988 | { | |
989 | newredir = copy_redirect (redirects); | |
990 | newredir->next = (REDIRECT *)NULL; | |
991 | if (heredocs) | |
992 | { | |
993 | hdtail->next = newredir; | |
994 | hdtail = newredir; | |
995 | } | |
996 | else | |
997 | hdtail = heredocs = newredir; | |
998 | } | |
0001803f | 999 | else if (redirects->instruction == r_duplicating_output_word && redirects->redirector.dest == 1) |
b80f6443 JA |
1000 | { |
1001 | /* Temporarily translate it as the execution code does. */ | |
1002 | redirects->instruction = r_err_and_out; | |
1003 | print_redirection (redirects); | |
1004 | redirects->instruction = r_duplicating_output_word; | |
1005 | } | |
d166f048 JA |
1006 | else |
1007 | print_redirection (redirects); | |
1008 | ||
726f6388 JA |
1009 | redirects = redirects->next; |
1010 | if (redirects) | |
1011 | cprintf (" "); | |
1012 | } | |
d166f048 JA |
1013 | |
1014 | /* Now that we've printed all the other redirections (on one line), | |
1015 | print the here documents. */ | |
3185942a JA |
1016 | if (heredocs && printing_connection) |
1017 | deferred_heredocs = heredocs; | |
1018 | else if (heredocs) | |
d166f048 | 1019 | { |
3185942a | 1020 | print_heredocs (heredocs); |
d166f048 | 1021 | dispose_redirects (heredocs); |
d166f048 | 1022 | } |
726f6388 JA |
1023 | } |
1024 | ||
3185942a JA |
1025 | static void |
1026 | print_heredoc_header (redirect) | |
1027 | REDIRECT *redirect; | |
1028 | { | |
1029 | int kill_leading; | |
1030 | char *x; | |
1031 | ||
1032 | kill_leading = redirect->instruction == r_deblank_reading_until; | |
1033 | ||
1034 | /* Here doc header */ | |
0001803f CR |
1035 | if (redirect->rflags & REDIR_VARASSIGN) |
1036 | cprintf ("{%s}", redirect->redirector.filename->word); | |
1037 | else if (redirect->redirector.dest != 0) | |
1038 | cprintf ("%d", redirect->redirector.dest); | |
3185942a JA |
1039 | |
1040 | /* If the here document delimiter is quoted, single-quote it. */ | |
1041 | if (redirect->redirectee.filename->flags & W_QUOTED) | |
1042 | { | |
1043 | x = sh_single_quote (redirect->here_doc_eof); | |
1044 | cprintf ("<<%s%s", kill_leading ? "-" : "", x); | |
1045 | free (x); | |
1046 | } | |
1047 | else | |
1048 | cprintf ("<<%s%s", kill_leading ? "-" : "", redirect->here_doc_eof); | |
1049 | } | |
1050 | ||
1051 | static void | |
1052 | print_heredoc_body (redirect) | |
1053 | REDIRECT *redirect; | |
1054 | { | |
1055 | /* Here doc body */ | |
1056 | cprintf ("%s%s", redirect->redirectee.filename->word, redirect->here_doc_eof); | |
1057 | } | |
1058 | ||
726f6388 JA |
1059 | static void |
1060 | print_redirection (redirect) | |
1061 | REDIRECT *redirect; | |
1062 | { | |
d166f048 | 1063 | int kill_leading, redirector, redir_fd; |
0001803f | 1064 | WORD_DESC *redirectee, *redir_word; |
d166f048 JA |
1065 | |
1066 | kill_leading = 0; | |
1067 | redirectee = redirect->redirectee.filename; | |
d166f048 | 1068 | redir_fd = redirect->redirectee.dest; |
726f6388 | 1069 | |
0001803f CR |
1070 | redir_word = redirect->redirector.filename; |
1071 | redirector = redirect->redirector.dest; | |
1072 | ||
726f6388 JA |
1073 | switch (redirect->instruction) |
1074 | { | |
0001803f CR |
1075 | case r_input_direction: |
1076 | if (redirect->rflags & REDIR_VARASSIGN) | |
1077 | cprintf ("{%s}", redir_word->word); | |
1078 | else if (redirector != 0) | |
726f6388 | 1079 | cprintf ("%d", redirector); |
0001803f | 1080 | cprintf ("< %s", redirectee->word); |
726f6388 JA |
1081 | break; |
1082 | ||
0001803f CR |
1083 | case r_output_direction: |
1084 | if (redirect->rflags & REDIR_VARASSIGN) | |
1085 | cprintf ("{%s}", redir_word->word); | |
1086 | else if (redirector != 1) | |
726f6388 | 1087 | cprintf ("%d", redirector); |
0001803f | 1088 | cprintf ("> %s", redirectee->word); |
726f6388 JA |
1089 | break; |
1090 | ||
1091 | case r_inputa_direction: /* Redirection created by the shell. */ | |
1092 | cprintf ("&"); | |
1093 | break; | |
1094 | ||
0001803f CR |
1095 | case r_output_force: |
1096 | if (redirect->rflags & REDIR_VARASSIGN) | |
1097 | cprintf ("{%s}", redir_word->word); | |
1098 | else if (redirector != 1) | |
1099 | cprintf ("%d", redirector); | |
1100 | cprintf (">|%s", redirectee->word); | |
1101 | break; | |
1102 | ||
726f6388 | 1103 | case r_appending_to: |
0001803f CR |
1104 | if (redirect->rflags & REDIR_VARASSIGN) |
1105 | cprintf ("{%s}", redir_word->word); | |
1106 | else if (redirector != 1) | |
726f6388 | 1107 | cprintf ("%d", redirector); |
0628567a | 1108 | cprintf (">> %s", redirectee->word); |
726f6388 JA |
1109 | break; |
1110 | ||
0001803f CR |
1111 | case r_input_output: |
1112 | if (redirect->rflags & REDIR_VARASSIGN) | |
1113 | cprintf ("{%s}", redir_word->word); | |
1114 | else if (redirector != 1) | |
1115 | cprintf ("%d", redirector); | |
1116 | cprintf ("<> %s", redirectee->word); | |
1117 | break; | |
1118 | ||
726f6388 | 1119 | case r_deblank_reading_until: |
726f6388 | 1120 | case r_reading_until: |
3185942a JA |
1121 | print_heredoc_header (redirect); |
1122 | cprintf ("\n"); | |
1123 | print_heredoc_body (redirect); | |
726f6388 JA |
1124 | break; |
1125 | ||
7117c2d2 | 1126 | case r_reading_string: |
0001803f CR |
1127 | if (redirect->rflags & REDIR_VARASSIGN) |
1128 | cprintf ("{%s}", redir_word->word); | |
1129 | else if (redirector != 0) | |
7117c2d2 JA |
1130 | cprintf ("%d", redirector); |
1131 | if (ansic_shouldquote (redirect->redirectee.filename->word)) | |
1132 | { | |
1133 | char *x; | |
1134 | x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0); | |
1135 | cprintf ("<<< %s", x); | |
1136 | free (x); | |
1137 | } | |
1138 | else | |
1139 | cprintf ("<<< %s", redirect->redirectee.filename->word); | |
1140 | break; | |
1141 | ||
726f6388 | 1142 | case r_duplicating_input: |
0001803f CR |
1143 | if (redirect->rflags & REDIR_VARASSIGN) |
1144 | cprintf ("{%s}<&%d", redir_word->word, redir_fd); | |
1145 | else | |
1146 | cprintf ("%d<&%d", redirector, redir_fd); | |
726f6388 JA |
1147 | break; |
1148 | ||
1149 | case r_duplicating_output: | |
0001803f CR |
1150 | if (redirect->rflags & REDIR_VARASSIGN) |
1151 | cprintf ("{%s}>&%d", redir_word->word, redir_fd); | |
1152 | else | |
1153 | cprintf ("%d>&%d", redirector, redir_fd); | |
726f6388 JA |
1154 | break; |
1155 | ||
1156 | case r_duplicating_input_word: | |
0001803f CR |
1157 | if (redirect->rflags & REDIR_VARASSIGN) |
1158 | cprintf ("{%s}<&%s", redir_word->word, redirectee->word); | |
1159 | else | |
1160 | cprintf ("%d<&%s", redirector, redirectee->word); | |
726f6388 JA |
1161 | break; |
1162 | ||
1163 | case r_duplicating_output_word: | |
0001803f CR |
1164 | if (redirect->rflags & REDIR_VARASSIGN) |
1165 | cprintf ("{%s}>&%s", redir_word->word, redirectee->word); | |
1166 | else | |
1167 | cprintf ("%d>&%s", redirector, redirectee->word); | |
726f6388 JA |
1168 | break; |
1169 | ||
7117c2d2 | 1170 | case r_move_input: |
0001803f CR |
1171 | if (redirect->rflags & REDIR_VARASSIGN) |
1172 | cprintf ("{%s}<&%d-", redir_word->word, redir_fd); | |
1173 | else | |
1174 | cprintf ("%d<&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1175 | break; |
1176 | ||
1177 | case r_move_output: | |
0001803f CR |
1178 | if (redirect->rflags & REDIR_VARASSIGN) |
1179 | cprintf ("{%s}>&%d-", redir_word->word, redir_fd); | |
1180 | else | |
1181 | cprintf ("%d>&%d-", redirector, redir_fd); | |
7117c2d2 JA |
1182 | break; |
1183 | ||
1184 | case r_move_input_word: | |
0001803f CR |
1185 | if (redirect->rflags & REDIR_VARASSIGN) |
1186 | cprintf ("{%s}<&%s-", redir_word->word, redirectee->word); | |
1187 | else | |
1188 | cprintf ("%d<&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1189 | break; |
1190 | ||
1191 | case r_move_output_word: | |
0001803f CR |
1192 | if (redirect->rflags & REDIR_VARASSIGN) |
1193 | cprintf ("{%s}>&%s-", redir_word->word, redirectee->word); | |
1194 | else | |
1195 | cprintf ("%d>&%s-", redirector, redirectee->word); | |
7117c2d2 JA |
1196 | break; |
1197 | ||
726f6388 | 1198 | case r_close_this: |
0001803f CR |
1199 | if (redirect->rflags & REDIR_VARASSIGN) |
1200 | cprintf ("{%s}>&-", redir_word->word); | |
1201 | else | |
1202 | cprintf ("%d>&-", redirector); | |
726f6388 JA |
1203 | break; |
1204 | ||
1205 | case r_err_and_out: | |
3185942a JA |
1206 | cprintf ("&>%s", redirectee->word); |
1207 | break; | |
1208 | ||
1209 | case r_append_err_and_out: | |
1210 | cprintf ("&>>%s", redirectee->word); | |
726f6388 | 1211 | break; |
726f6388 JA |
1212 | } |
1213 | } | |
1214 | ||
1215 | static void | |
1216 | reset_locals () | |
1217 | { | |
1218 | inside_function_def = 0; | |
1219 | indentation = 0; | |
3185942a JA |
1220 | printing_connection = 0; |
1221 | deferred_heredocs = 0; | |
726f6388 JA |
1222 | } |
1223 | ||
1224 | static void | |
1225 | print_function_def (func) | |
1226 | FUNCTION_DEF *func; | |
1227 | { | |
bb70624e JA |
1228 | COMMAND *cmdcopy; |
1229 | REDIRECT *func_redirects; | |
1230 | ||
f73dda09 | 1231 | func_redirects = NULL; |
726f6388 JA |
1232 | cprintf ("function %s () \n", func->name->word); |
1233 | add_unwind_protect (reset_locals, 0); | |
1234 | ||
1235 | indent (indentation); | |
1236 | cprintf ("{ \n"); | |
1237 | ||
1238 | inside_function_def++; | |
1239 | indentation += indentation_amount; | |
1240 | ||
bb70624e JA |
1241 | cmdcopy = copy_command (func->command); |
1242 | if (cmdcopy->type == cm_group) | |
1243 | { | |
28ef6c31 JA |
1244 | func_redirects = cmdcopy->redirects; |
1245 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1246 | } |
1247 | make_command_string_internal (cmdcopy->type == cm_group | |
1248 | ? cmdcopy->value.Group->command | |
1249 | : cmdcopy); | |
ccc6cda3 | 1250 | |
726f6388 JA |
1251 | remove_unwind_protect (); |
1252 | indentation -= indentation_amount; | |
1253 | inside_function_def--; | |
1254 | ||
bb70624e JA |
1255 | if (func_redirects) |
1256 | { /* { */ | |
1257 | newline ("} "); | |
1258 | print_redirection_list (func_redirects); | |
28ef6c31 | 1259 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1260 | } |
1261 | else | |
1262 | newline ("}"); | |
1263 | ||
1264 | dispose_command (cmdcopy); | |
726f6388 JA |
1265 | } |
1266 | ||
1267 | /* Return the string representation of the named function. | |
1268 | NAME is the name of the function. | |
1269 | COMMAND is the function body. It should be a GROUP_COM. | |
3185942a JA |
1270 | flags&FUNC_MULTILINE is non-zero to pretty-print, or zero for all on one line. |
1271 | flags&FUNC_EXTERNAL means convert from internal to external form | |
726f6388 JA |
1272 | */ |
1273 | char * | |
3185942a | 1274 | named_function_string (name, command, flags) |
726f6388 JA |
1275 | char *name; |
1276 | COMMAND *command; | |
3185942a | 1277 | int flags; |
726f6388 JA |
1278 | { |
1279 | char *result; | |
ccc6cda3 | 1280 | int old_indent, old_amount; |
bb70624e JA |
1281 | COMMAND *cmdcopy; |
1282 | REDIRECT *func_redirects; | |
726f6388 | 1283 | |
ccc6cda3 JA |
1284 | old_indent = indentation; |
1285 | old_amount = indentation_amount; | |
d166f048 | 1286 | command_string_index = was_heredoc = 0; |
3185942a | 1287 | deferred_heredocs = 0; |
726f6388 JA |
1288 | |
1289 | if (name && *name) | |
1290 | cprintf ("%s ", name); | |
1291 | ||
1292 | cprintf ("() "); | |
1293 | ||
3185942a | 1294 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1295 | { |
1296 | indentation = 1; | |
1297 | indentation_amount = 0; | |
1298 | } | |
1299 | else | |
1300 | { | |
1301 | cprintf ("\n"); | |
1302 | indentation += indentation_amount; | |
1303 | } | |
1304 | ||
1305 | inside_function_def++; | |
1306 | ||
3185942a | 1307 | cprintf ((flags & FUNC_MULTILINE) ? "{ \n" : "{ "); |
726f6388 | 1308 | |
bb70624e JA |
1309 | cmdcopy = copy_command (command); |
1310 | /* Take any redirections specified in the function definition (which should | |
1311 | apply to the function as a whole) and save them for printing later. */ | |
1312 | func_redirects = (REDIRECT *)NULL; | |
1313 | if (cmdcopy->type == cm_group) | |
1314 | { | |
28ef6c31 JA |
1315 | func_redirects = cmdcopy->redirects; |
1316 | cmdcopy->redirects = (REDIRECT *)NULL; | |
bb70624e JA |
1317 | } |
1318 | make_command_string_internal (cmdcopy->type == cm_group | |
1319 | ? cmdcopy->value.Group->command | |
1320 | : cmdcopy); | |
726f6388 JA |
1321 | |
1322 | indentation = old_indent; | |
1323 | indentation_amount = old_amount; | |
1324 | inside_function_def--; | |
1325 | ||
bb70624e JA |
1326 | if (func_redirects) |
1327 | { /* { */ | |
1328 | newline ("} "); | |
1329 | print_redirection_list (func_redirects); | |
28ef6c31 | 1330 | cmdcopy->redirects = func_redirects; |
bb70624e JA |
1331 | } |
1332 | else | |
1333 | newline ("}"); | |
726f6388 JA |
1334 | |
1335 | result = the_printed_command; | |
1336 | ||
3185942a | 1337 | if ((flags & FUNC_MULTILINE) == 0) |
726f6388 JA |
1338 | { |
1339 | #if 0 | |
1340 | register int i; | |
1341 | for (i = 0; result[i]; i++) | |
1342 | if (result[i] == '\n') | |
1343 | { | |
1344 | strcpy (result + i, result + i + 1); | |
1345 | --i; | |
1346 | } | |
1347 | #else | |
1348 | if (result[2] == '\n') /* XXX -- experimental */ | |
28ef6c31 | 1349 | strcpy (result + 2, result + 3); |
726f6388 JA |
1350 | #endif |
1351 | } | |
1352 | ||
bb70624e JA |
1353 | dispose_command (cmdcopy); |
1354 | ||
3185942a JA |
1355 | if (flags & FUNC_EXTERNAL) |
1356 | result = remove_quoted_escapes (result); | |
1357 | ||
726f6388 JA |
1358 | return (result); |
1359 | } | |
1360 | ||
1361 | static void | |
1362 | newline (string) | |
1363 | char *string; | |
1364 | { | |
1365 | cprintf ("\n"); | |
1366 | indent (indentation); | |
1367 | if (string && *string) | |
1368 | cprintf ("%s", string); | |
1369 | } | |
1370 | ||
ccc6cda3 JA |
1371 | static char *indentation_string; |
1372 | static int indentation_size; | |
1373 | ||
726f6388 JA |
1374 | static void |
1375 | indent (amount) | |
1376 | int amount; | |
1377 | { | |
ccc6cda3 JA |
1378 | register int i; |
1379 | ||
1380 | RESIZE_MALLOCED_BUFFER (indentation_string, 0, amount, indentation_size, 16); | |
1381 | ||
1382 | for (i = 0; amount > 0; amount--) | |
1383 | indentation_string[i++] = ' '; | |
1384 | indentation_string[i] = '\0'; | |
1385 | cprintf (indentation_string); | |
726f6388 JA |
1386 | } |
1387 | ||
1388 | static void | |
1389 | semicolon () | |
1390 | { | |
7117c2d2 JA |
1391 | if (command_string_index > 0 && |
1392 | (the_printed_command[command_string_index - 1] == '&' || | |
0001803f | 1393 | the_printed_command[command_string_index - 1] == '\n')) |
726f6388 JA |
1394 | return; |
1395 | cprintf (";"); | |
1396 | } | |
1397 | ||
726f6388 JA |
1398 | /* How to make the string. */ |
1399 | static void | |
ccc6cda3 | 1400 | #if defined (PREFER_STDARG) |
f73dda09 | 1401 | cprintf (const char *control, ...) |
ccc6cda3 JA |
1402 | #else |
1403 | cprintf (control, va_alist) | |
f73dda09 | 1404 | const char *control; |
726f6388 | 1405 | va_dcl |
ccc6cda3 | 1406 | #endif |
726f6388 | 1407 | { |
f73dda09 JA |
1408 | register const char *s; |
1409 | char char_arg[2], *argp, intbuf[INT_STRLEN_BOUND (int) + 1]; | |
726f6388 JA |
1410 | int digit_arg, arg_len, c; |
1411 | va_list args; | |
1412 | ||
7117c2d2 | 1413 | SH_VA_START (args, control); |
726f6388 JA |
1414 | |
1415 | arg_len = strlen (control); | |
1416 | the_printed_command_resize (arg_len + 1); | |
1417 | ||
1418 | char_arg[1] = '\0'; | |
1419 | s = control; | |
1420 | while (s && *s) | |
1421 | { | |
726f6388 | 1422 | c = *s++; |
ccc6cda3 | 1423 | argp = (char *)NULL; |
726f6388 JA |
1424 | if (c != '%' || !*s) |
1425 | { | |
f73dda09 JA |
1426 | char_arg[0] = c; |
1427 | argp = char_arg; | |
726f6388 JA |
1428 | arg_len = 1; |
1429 | } | |
1430 | else | |
1431 | { | |
1432 | c = *s++; | |
1433 | switch (c) | |
1434 | { | |
1435 | case '%': | |
1436 | char_arg[0] = c; | |
1437 | argp = char_arg; | |
1438 | arg_len = 1; | |
1439 | break; | |
1440 | ||
1441 | case 's': | |
1442 | argp = va_arg (args, char *); | |
1443 | arg_len = strlen (argp); | |
1444 | break; | |
1445 | ||
1446 | case 'd': | |
f73dda09 JA |
1447 | /* Represent an out-of-range file descriptor with an out-of-range |
1448 | integer value. We can do this because the only use of `%d' in | |
1449 | the calls to cprintf is to output a file descriptor number for | |
1450 | a redirection. */ | |
726f6388 | 1451 | digit_arg = va_arg (args, int); |
f73dda09 JA |
1452 | if (digit_arg < 0) |
1453 | { | |
1454 | sprintf (intbuf, "%u", (unsigned)-1); | |
1455 | argp = intbuf; | |
1456 | } | |
1457 | else | |
0001803f | 1458 | argp = inttostr (digit_arg, intbuf, sizeof (intbuf)); |
726f6388 | 1459 | arg_len = strlen (argp); |
726f6388 JA |
1460 | break; |
1461 | ||
1462 | case 'c': | |
1463 | char_arg[0] = va_arg (args, int); | |
1464 | argp = char_arg; | |
1465 | arg_len = 1; | |
1466 | break; | |
1467 | ||
1468 | default: | |
b80f6443 | 1469 | programming_error (_("cprintf: `%c': invalid format character"), c); |
ccc6cda3 | 1470 | /*NOTREACHED*/ |
726f6388 JA |
1471 | } |
1472 | } | |
1473 | ||
ccc6cda3 | 1474 | if (argp && arg_len) |
726f6388 JA |
1475 | { |
1476 | the_printed_command_resize (arg_len + 1); | |
1477 | FASTCOPY (argp, the_printed_command + command_string_index, arg_len); | |
1478 | command_string_index += arg_len; | |
726f6388 JA |
1479 | } |
1480 | } | |
1481 | ||
1482 | the_printed_command[command_string_index] = '\0'; | |
1483 | } | |
726f6388 JA |
1484 | |
1485 | /* Ensure that there is enough space to stuff LENGTH characters into | |
1486 | THE_PRINTED_COMMAND. */ | |
1487 | static void | |
1488 | the_printed_command_resize (length) | |
1489 | int length; | |
1490 | { | |
d166f048 | 1491 | if (the_printed_command == 0) |
726f6388 | 1492 | { |
d166f048 | 1493 | the_printed_command_size = (length + PRINTED_COMMAND_INITIAL_SIZE - 1) & ~(PRINTED_COMMAND_INITIAL_SIZE - 1); |
f73dda09 | 1494 | the_printed_command = (char *)xmalloc (the_printed_command_size); |
726f6388 JA |
1495 | command_string_index = 0; |
1496 | } | |
1497 | else if ((command_string_index + length) >= the_printed_command_size) | |
1498 | { | |
1499 | int new; | |
1500 | new = command_string_index + length + 1; | |
bb70624e | 1501 | |
d166f048 JA |
1502 | /* Round up to the next multiple of PRINTED_COMMAND_GROW_SIZE. */ |
1503 | new = (new + PRINTED_COMMAND_GROW_SIZE - 1) & ~(PRINTED_COMMAND_GROW_SIZE - 1); | |
726f6388 | 1504 | the_printed_command_size = new; |
bb70624e | 1505 | |
f73dda09 | 1506 | the_printed_command = (char *)xrealloc (the_printed_command, the_printed_command_size); |
726f6388 JA |
1507 | } |
1508 | } | |
ccc6cda3 | 1509 | |
f73dda09 JA |
1510 | #if defined (HAVE_VPRINTF) |
1511 | /* ``If vprintf is available, you may assume that vfprintf and vsprintf are | |
1512 | also available.'' */ | |
ccc6cda3 JA |
1513 | |
1514 | static void | |
d166f048 JA |
1515 | #if defined (PREFER_STDARG) |
1516 | xprintf (const char *format, ...) | |
1517 | #else | |
1518 | xprintf (format, va_alist) | |
1519 | const char *format; | |
ccc6cda3 | 1520 | va_dcl |
d166f048 | 1521 | #endif |
ccc6cda3 JA |
1522 | { |
1523 | va_list args; | |
ccc6cda3 | 1524 | |
7117c2d2 | 1525 | SH_VA_START (args, format); |
d166f048 | 1526 | |
ccc6cda3 JA |
1527 | vfprintf (stdout, format, args); |
1528 | va_end (args); | |
1529 | } | |
1530 | ||
1531 | #else | |
1532 | ||
1533 | static void | |
1534 | xprintf (format, arg1, arg2, arg3, arg4, arg5) | |
f73dda09 | 1535 | const char *format; |
ccc6cda3 JA |
1536 | { |
1537 | printf (format, arg1, arg2, arg3, arg4, arg5); | |
1538 | } | |
1539 | ||
f73dda09 | 1540 | #endif /* !HAVE_VPRINTF */ |