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