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6821892e | 1 | /* C preprocessor macro expansion commands for GDB. |
e2882c85 | 2 | Copyright (C) 2002-2018 Free Software Foundation, Inc. |
6821892e JB |
3 | Contributed by Red Hat, Inc. |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
6821892e JB |
10 | (at your option) any later version. |
11 | ||
12 | This program 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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
6821892e JB |
19 | |
20 | ||
21 | #include "defs.h" | |
22 | #include "macrotab.h" | |
23 | #include "macroexp.h" | |
24 | #include "macroscope.h" | |
71eba9c2 | 25 | #include "cli/cli-utils.h" |
6821892e JB |
26 | #include "command.h" |
27 | #include "gdbcmd.h" | |
39cf75f7 | 28 | #include "linespec.h" |
6821892e JB |
29 | |
30 | \f | |
31 | /* The `macro' prefix command. */ | |
32 | ||
33 | static struct cmd_list_element *macrolist; | |
34 | ||
35 | static void | |
981a3fb3 | 36 | macro_command (const char *arg, int from_tty) |
6821892e JB |
37 | { |
38 | printf_unfiltered | |
39 | ("\"macro\" must be followed by the name of a macro command.\n"); | |
635c7e8a | 40 | help_list (macrolist, "macro ", all_commands, gdb_stdout); |
6821892e JB |
41 | } |
42 | ||
43 | ||
44 | \f | |
45 | /* Macro expansion commands. */ | |
46 | ||
47 | ||
71eba9c2 | 48 | /* Prints an informational message regarding the lack of macro information. */ |
dd9aa048 TT |
49 | static void |
50 | macro_inform_no_debuginfo (void) | |
71eba9c2 | 51 | { |
daefa854 | 52 | puts_filtered ("GDB has no preprocessor macro information for that code.\n"); |
71eba9c2 | 53 | } |
54 | ||
6821892e | 55 | static void |
3088cf40 | 56 | macro_expand_command (const char *exp, int from_tty) |
6821892e JB |
57 | { |
58 | struct macro_scope *ms = NULL; | |
59 | char *expanded = NULL; | |
60 | struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms); | |
b8d56208 | 61 | |
6821892e JB |
62 | make_cleanup (free_current_contents, &expanded); |
63 | ||
64 | /* You know, when the user doesn't specify any expression, it would be | |
65 | really cool if this defaulted to the last expression evaluated. | |
66 | Then it would be easy to ask, "Hey, what did I just evaluate?" But | |
67 | at the moment, the `print' commands don't save the last expression | |
68 | evaluated, just its value. */ | |
69 | if (! exp || ! *exp) | |
8a3fe4f8 | 70 | error (_("You must follow the `macro expand' command with the" |
6821892e | 71 | " expression you\n" |
8a3fe4f8 | 72 | "want to expand.")); |
6821892e JB |
73 | |
74 | ms = default_macro_scope (); | |
75 | if (ms) | |
76 | { | |
77 | expanded = macro_expand (exp, standard_macro_lookup, ms); | |
78 | fputs_filtered ("expands to: ", gdb_stdout); | |
79 | fputs_filtered (expanded, gdb_stdout); | |
80 | fputs_filtered ("\n", gdb_stdout); | |
81 | } | |
82 | else | |
71eba9c2 | 83 | macro_inform_no_debuginfo (); |
6821892e JB |
84 | |
85 | do_cleanups (cleanup_chain); | |
86 | return; | |
87 | } | |
88 | ||
89 | ||
90 | static void | |
3088cf40 | 91 | macro_expand_once_command (const char *exp, int from_tty) |
6821892e JB |
92 | { |
93 | struct macro_scope *ms = NULL; | |
94 | char *expanded = NULL; | |
95 | struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms); | |
96 | make_cleanup (free_current_contents, &expanded); | |
97 | ||
98 | /* You know, when the user doesn't specify any expression, it would be | |
99 | really cool if this defaulted to the last expression evaluated. | |
100 | And it should set the once-expanded text as the new `last | |
101 | expression'. That way, you could just hit return over and over and | |
102 | see the expression expanded one level at a time. */ | |
103 | if (! exp || ! *exp) | |
8a3fe4f8 | 104 | error (_("You must follow the `macro expand-once' command with" |
6821892e | 105 | " the expression\n" |
8a3fe4f8 | 106 | "you want to expand.")); |
6821892e JB |
107 | |
108 | ms = default_macro_scope (); | |
109 | if (ms) | |
110 | { | |
111 | expanded = macro_expand_once (exp, standard_macro_lookup, ms); | |
112 | fputs_filtered ("expands to: ", gdb_stdout); | |
113 | fputs_filtered (expanded, gdb_stdout); | |
114 | fputs_filtered ("\n", gdb_stdout); | |
115 | } | |
116 | else | |
71eba9c2 | 117 | macro_inform_no_debuginfo (); |
6821892e JB |
118 | |
119 | do_cleanups (cleanup_chain); | |
120 | return; | |
121 | } | |
122 | ||
9b158ba0 | 123 | /* Outputs the include path of a macro starting at FILE and LINE to STREAM. |
6821892e | 124 | |
9b158ba0 | 125 | Care should be taken that this function does not cause any lookups into |
126 | the splay tree so that it can be safely used while iterating. */ | |
6821892e JB |
127 | static void |
128 | show_pp_source_pos (struct ui_file *stream, | |
129 | struct macro_source_file *file, | |
130 | int line) | |
131 | { | |
233d95b5 JK |
132 | char *fullname; |
133 | ||
134 | fullname = macro_source_fullname (file); | |
135 | fprintf_filtered (stream, "%s:%d\n", fullname, line); | |
136 | xfree (fullname); | |
6821892e JB |
137 | |
138 | while (file->included_by) | |
139 | { | |
233d95b5 JK |
140 | fullname = macro_source_fullname (file->included_by); |
141 | fprintf_filtered (gdb_stdout, " included at %s:%d\n", fullname, | |
6821892e | 142 | file->included_at_line); |
233d95b5 | 143 | xfree (fullname); |
6821892e JB |
144 | file = file->included_by; |
145 | } | |
146 | } | |
147 | ||
9b158ba0 | 148 | /* Outputs a macro for human consumption, detailing the include path |
149 | and macro definition. NAME is the name of the macro. | |
150 | D the definition. FILE the start of the include path, and LINE the | |
151 | line number in FILE. | |
6821892e | 152 | |
9b158ba0 | 153 | Care should be taken that this function does not cause any lookups into |
154 | the splay tree so that it can be safely used while iterating. */ | |
6821892e | 155 | static void |
9b158ba0 | 156 | print_macro_definition (const char *name, |
157 | const struct macro_definition *d, | |
158 | struct macro_source_file *file, | |
159 | int line) | |
6821892e | 160 | { |
dd756689 TT |
161 | fprintf_filtered (gdb_stdout, "Defined at "); |
162 | show_pp_source_pos (gdb_stdout, file, line); | |
163 | ||
164 | if (line != 0) | |
165 | fprintf_filtered (gdb_stdout, "#define %s", name); | |
166 | else | |
167 | fprintf_filtered (gdb_stdout, "-D%s", name); | |
168 | ||
169 | if (d->kind == macro_function_like) | |
170 | { | |
171 | int i; | |
172 | ||
173 | fputs_filtered ("(", gdb_stdout); | |
174 | for (i = 0; i < d->argc; i++) | |
175 | { | |
176 | fputs_filtered (d->argv[i], gdb_stdout); | |
177 | if (i + 1 < d->argc) | |
178 | fputs_filtered (", ", gdb_stdout); | |
179 | } | |
180 | fputs_filtered (")", gdb_stdout); | |
181 | } | |
182 | ||
183 | if (line != 0) | |
184 | fprintf_filtered (gdb_stdout, " %s\n", d->replacement); | |
185 | else | |
186 | fprintf_filtered (gdb_stdout, "=%s\n", d->replacement); | |
9b158ba0 | 187 | } |
188 | ||
71eba9c2 | 189 | /* The implementation of the `info macro' command. */ |
9b158ba0 | 190 | static void |
1d12d88f | 191 | info_macro_command (const char *args, int from_tty) |
9b158ba0 | 192 | { |
193 | struct macro_scope *ms = NULL; | |
71eba9c2 | 194 | struct cleanup *cleanup_chain; |
1d12d88f | 195 | const char *name; |
71eba9c2 | 196 | int show_all_macros_named = 0; |
1d12d88f | 197 | const char *arg_start = args; |
71eba9c2 | 198 | int processing_args = 1; |
199 | ||
200 | while (processing_args | |
201 | && arg_start && *arg_start == '-' && *arg_start != '\0') | |
202 | { | |
1d12d88f | 203 | const char *p = skip_to_space (arg_start); |
71eba9c2 | 204 | |
205 | if (strncmp (arg_start, "-a", p - arg_start) == 0 | |
206 | || strncmp (arg_start, "-all", p - arg_start) == 0) | |
207 | show_all_macros_named = 1; | |
208 | else if (strncmp (arg_start, "--", p - arg_start) == 0) | |
209 | /* Our macro support seems rather C specific but this would | |
210 | seem necessary for languages allowing - in macro names. | |
211 | e.g. Scheme's (defmacro ->foo () "bar\n") */ | |
212 | processing_args = 0; | |
213 | else | |
214 | { | |
1d12d88f TT |
215 | error (_("Unrecognized option '%.*s' to info macro command. " |
216 | "Try \"help info macro\"."), | |
217 | int (p - arg_start), arg_start); | |
71eba9c2 | 218 | } |
219 | ||
220 | arg_start = skip_spaces (p); | |
221 | } | |
222 | ||
223 | name = arg_start; | |
9b158ba0 | 224 | |
225 | if (! name || ! *name) | |
71eba9c2 | 226 | error (_("You must follow the `info macro' command with the name" |
227 | " of the macro\n" | |
228 | "whose definition you want to see.")); | |
9b158ba0 | 229 | |
230 | ms = default_macro_scope (); | |
71eba9c2 | 231 | cleanup_chain = make_cleanup (free_current_contents, &ms); |
9b158ba0 | 232 | |
71eba9c2 | 233 | if (! ms) |
234 | macro_inform_no_debuginfo (); | |
235 | else if (show_all_macros_named) | |
14bc53a8 PA |
236 | macro_for_each (ms->file->table, [&] (const char *macro_name, |
237 | const macro_definition *macro, | |
238 | macro_source_file *source, | |
239 | int line) | |
240 | { | |
241 | if (strcmp (name, macro_name) == 0) | |
242 | print_macro_definition (name, macro, source, line); | |
243 | }); | |
71eba9c2 | 244 | else |
245 | { | |
246 | struct macro_definition *d; | |
247 | ||
248 | d = macro_lookup_definition (ms->file, ms->line, name); | |
249 | if (d) | |
250 | { | |
251 | int line; | |
252 | struct macro_source_file *file | |
253 | = macro_definition_location (ms->file, ms->line, name, &line); | |
254 | ||
255 | print_macro_definition (name, d, file, line); | |
256 | } | |
257 | else | |
258 | { | |
259 | fprintf_filtered (gdb_stdout, | |
260 | "The symbol `%s' has no definition as a C/C++" | |
261 | " preprocessor macro\n" | |
262 | "at ", name); | |
263 | show_pp_source_pos (gdb_stdout, ms->file, ms->line); | |
264 | } | |
265 | } | |
9b158ba0 | 266 | |
9b158ba0 | 267 | do_cleanups (cleanup_chain); |
268 | } | |
269 | ||
270 | /* Implementation of the "info macros" command. */ | |
271 | static void | |
1d12d88f | 272 | info_macros_command (const char *args, int from_tty) |
9b158ba0 | 273 | { |
274 | struct macro_scope *ms = NULL; | |
275 | struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &ms); | |
276 | ||
277 | if (args == NULL) | |
278 | ms = default_macro_scope (); | |
279 | else | |
280 | { | |
6c5b2ebe PA |
281 | std::vector<symtab_and_line> sals |
282 | = decode_line_with_current_source (args, 0); | |
9b158ba0 | 283 | |
6c5b2ebe PA |
284 | if (!sals.empty ()) |
285 | ms = sal_macro_scope (sals[0]); | |
9b158ba0 | 286 | } |
287 | ||
288 | if (! ms || ! ms->file || ! ms->file->table) | |
71eba9c2 | 289 | macro_inform_no_debuginfo (); |
290 | else | |
14bc53a8 | 291 | macro_for_each_in_scope (ms->file, ms->line, print_macro_definition); |
9b158ba0 | 292 | |
9b158ba0 | 293 | do_cleanups (cleanup_chain); |
294 | } | |
6821892e JB |
295 | |
296 | \f | |
297 | /* User-defined macros. */ | |
298 | ||
d7d9f01e | 299 | static void |
3088cf40 | 300 | skip_ws (const char **expp) |
d7d9f01e TT |
301 | { |
302 | while (macro_is_whitespace (**expp)) | |
303 | ++*expp; | |
304 | } | |
305 | ||
2fae03e8 TT |
306 | /* Try to find the bounds of an identifier. If an identifier is |
307 | found, returns a newly allocated string; otherwise returns NULL. | |
308 | EXPP is a pointer to an input string; it is updated to point to the | |
309 | text following the identifier. If IS_PARAMETER is true, this | |
310 | function will also allow "..." forms as used in varargs macro | |
311 | parameters. */ | |
312 | ||
d7d9f01e | 313 | static char * |
3088cf40 | 314 | extract_identifier (const char **expp, int is_parameter) |
d7d9f01e TT |
315 | { |
316 | char *result; | |
3088cf40 | 317 | const char *p = *expp; |
d7d9f01e | 318 | unsigned int len; |
2fae03e8 | 319 | |
61012eef | 320 | if (is_parameter && startswith (p, "...")) |
2fae03e8 TT |
321 | { |
322 | /* Ok. */ | |
323 | } | |
324 | else | |
325 | { | |
326 | if (! *p || ! macro_is_identifier_nondigit (*p)) | |
327 | return NULL; | |
328 | for (++p; | |
329 | *p && (macro_is_identifier_nondigit (*p) || macro_is_digit (*p)); | |
330 | ++p) | |
331 | ; | |
332 | } | |
333 | ||
61012eef | 334 | if (is_parameter && startswith (p, "...")) |
2fae03e8 TT |
335 | p += 3; |
336 | ||
d7d9f01e TT |
337 | len = p - *expp; |
338 | result = (char *) xmalloc (len + 1); | |
339 | memcpy (result, *expp, len); | |
340 | result[len] = '\0'; | |
341 | *expp += len; | |
342 | return result; | |
343 | } | |
344 | ||
345 | /* Helper function to clean up a temporarily-constructed macro object. | |
346 | This assumes that the contents were all allocated with xmalloc. */ | |
347 | static void | |
348 | free_macro_definition_ptr (void *ptr) | |
349 | { | |
350 | int i; | |
351 | struct macro_definition *loc = (struct macro_definition *) ptr; | |
b8d56208 | 352 | |
d7d9f01e TT |
353 | for (i = 0; i < loc->argc; ++i) |
354 | xfree ((char *) loc->argv[i]); | |
355 | xfree ((char *) loc->argv); | |
356 | /* Note that the 'replacement' field is not allocated. */ | |
357 | } | |
6821892e JB |
358 | |
359 | static void | |
3088cf40 | 360 | macro_define_command (const char *exp, int from_tty) |
6821892e | 361 | { |
d7d9f01e TT |
362 | struct macro_definition new_macro; |
363 | char *name = NULL; | |
886a217c TT |
364 | struct cleanup *cleanup_chain; |
365 | ||
366 | if (!exp) | |
367 | error (_("usage: macro define NAME[(ARGUMENT-LIST)] [REPLACEMENT-LIST]")); | |
368 | ||
369 | cleanup_chain = make_cleanup (free_macro_definition_ptr, &new_macro); | |
d7d9f01e TT |
370 | make_cleanup (free_current_contents, &name); |
371 | ||
372 | memset (&new_macro, 0, sizeof (struct macro_definition)); | |
373 | ||
374 | skip_ws (&exp); | |
2fae03e8 | 375 | name = extract_identifier (&exp, 0); |
d7d9f01e TT |
376 | if (! name) |
377 | error (_("Invalid macro name.")); | |
378 | if (*exp == '(') | |
379 | { | |
380 | /* Function-like macro. */ | |
381 | int alloced = 5; | |
8d749320 | 382 | char **argv = XNEWVEC (char *, alloced); |
d7d9f01e TT |
383 | |
384 | new_macro.kind = macro_function_like; | |
385 | new_macro.argc = 0; | |
386 | new_macro.argv = (const char * const *) argv; | |
387 | ||
388 | /* Skip the '(' and whitespace. */ | |
389 | ++exp; | |
390 | skip_ws (&exp); | |
391 | ||
392 | while (*exp != ')') | |
393 | { | |
394 | int i; | |
395 | ||
396 | if (new_macro.argc == alloced) | |
397 | { | |
398 | alloced *= 2; | |
399 | argv = (char **) xrealloc (argv, alloced * sizeof (char *)); | |
025bb325 | 400 | /* Must update new_macro as well... */ |
d7d9f01e TT |
401 | new_macro.argv = (const char * const *) argv; |
402 | } | |
2fae03e8 | 403 | argv[new_macro.argc] = extract_identifier (&exp, 1); |
d7d9f01e TT |
404 | if (! argv[new_macro.argc]) |
405 | error (_("Macro is missing an argument.")); | |
406 | ++new_macro.argc; | |
407 | ||
408 | for (i = new_macro.argc - 2; i >= 0; --i) | |
409 | { | |
410 | if (! strcmp (argv[i], argv[new_macro.argc - 1])) | |
411 | error (_("Two macro arguments with identical names.")); | |
412 | } | |
413 | ||
414 | skip_ws (&exp); | |
415 | if (*exp == ',') | |
416 | { | |
417 | ++exp; | |
418 | skip_ws (&exp); | |
419 | } | |
420 | else if (*exp != ')') | |
421 | error (_("',' or ')' expected at end of macro arguments.")); | |
422 | } | |
423 | /* Skip the closing paren. */ | |
424 | ++exp; | |
cc704ebe | 425 | skip_ws (&exp); |
d7d9f01e TT |
426 | |
427 | macro_define_function (macro_main (macro_user_macros), -1, name, | |
428 | new_macro.argc, (const char **) new_macro.argv, | |
429 | exp); | |
430 | } | |
431 | else | |
cc704ebe TT |
432 | { |
433 | skip_ws (&exp); | |
434 | macro_define_object (macro_main (macro_user_macros), -1, name, exp); | |
435 | } | |
d7d9f01e TT |
436 | |
437 | do_cleanups (cleanup_chain); | |
6821892e JB |
438 | } |
439 | ||
440 | ||
441 | static void | |
3088cf40 | 442 | macro_undef_command (const char *exp, int from_tty) |
6821892e | 443 | { |
d7d9f01e | 444 | char *name; |
886a217c TT |
445 | |
446 | if (!exp) | |
447 | error (_("usage: macro undef NAME")); | |
448 | ||
d7d9f01e | 449 | skip_ws (&exp); |
2fae03e8 | 450 | name = extract_identifier (&exp, 0); |
d7d9f01e TT |
451 | if (! name) |
452 | error (_("Invalid macro name.")); | |
453 | macro_undef (macro_main (macro_user_macros), -1, name); | |
454 | xfree (name); | |
455 | } | |
456 | ||
457 | ||
458 | static void | |
9a044a89 | 459 | print_one_macro (const char *name, const struct macro_definition *macro, |
14bc53a8 | 460 | struct macro_source_file *source, int line) |
d7d9f01e TT |
461 | { |
462 | fprintf_filtered (gdb_stdout, "macro define %s", name); | |
463 | if (macro->kind == macro_function_like) | |
464 | { | |
465 | int i; | |
b8d56208 | 466 | |
d7d9f01e TT |
467 | fprintf_filtered (gdb_stdout, "("); |
468 | for (i = 0; i < macro->argc; ++i) | |
469 | fprintf_filtered (gdb_stdout, "%s%s", (i > 0) ? ", " : "", | |
470 | macro->argv[i]); | |
471 | fprintf_filtered (gdb_stdout, ")"); | |
472 | } | |
cc704ebe | 473 | fprintf_filtered (gdb_stdout, " %s\n", macro->replacement); |
6821892e JB |
474 | } |
475 | ||
476 | ||
477 | static void | |
3088cf40 | 478 | macro_list_command (const char *exp, int from_tty) |
6821892e | 479 | { |
14bc53a8 | 480 | macro_for_each (macro_user_macros, print_one_macro); |
6821892e JB |
481 | } |
482 | ||
6821892e JB |
483 | /* Initializing the `macrocmd' module. */ |
484 | ||
485 | void | |
486 | _initialize_macrocmd (void) | |
487 | { | |
6821892e JB |
488 | /* We introduce a new command prefix, `macro', under which we'll put |
489 | the various commands for working with preprocessor macros. */ | |
1bedd215 AC |
490 | add_prefix_cmd ("macro", class_info, macro_command, |
491 | _("Prefix for commands dealing with C preprocessor macros."), | |
492 | ¯olist, "macro ", 0, &cmdlist); | |
6821892e | 493 | |
1a966eab AC |
494 | add_cmd ("expand", no_class, macro_expand_command, _("\ |
495 | Fully expand any C/C++ preprocessor macro invocations in EXPRESSION.\n\ | |
496 | Show the expanded expression."), | |
497 | ¯olist); | |
6821892e | 498 | add_alias_cmd ("exp", "expand", no_class, 1, ¯olist); |
1a966eab AC |
499 | add_cmd ("expand-once", no_class, macro_expand_once_command, _("\ |
500 | Expand C/C++ preprocessor macro invocations appearing directly in EXPRESSION.\n\ | |
501 | Show the expanded expression.\n\ | |
502 | \n\ | |
503 | This command differs from `macro expand' in that it only expands macro\n\ | |
504 | invocations that appear directly in EXPRESSION; if expanding a macro\n\ | |
505 | introduces further macro invocations, those are left unexpanded.\n\ | |
506 | \n\ | |
507 | `macro expand-once' helps you see how a particular macro expands,\n\ | |
508 | whereas `macro expand' shows you how all the macros involved in an\n\ | |
509 | expression work together to yield a pre-processed expression."), | |
510 | ¯olist); | |
6821892e JB |
511 | add_alias_cmd ("exp1", "expand-once", no_class, 1, ¯olist); |
512 | ||
5f515954 AB |
513 | add_info ("macro", info_macro_command, |
514 | _("Show the definition of MACRO, and it's source location.\n\ | |
71eba9c2 | 515 | Usage: info macro [-a|-all] [--] MACRO\n\ |
516 | Options: \n\ | |
517 | -a, --all Output all definitions of MACRO in the current compilation\ | |
518 | unit.\n\ | |
5f515954 | 519 | -- Specify the end of arguments and the beginning of the MACRO.")); |
71eba9c2 | 520 | |
5f515954 AB |
521 | add_info ("macros", info_macros_command, |
522 | _("Show the definitions of all macros at LINESPEC, or the current \ | |
9b158ba0 | 523 | source location.\n\ |
5f515954 | 524 | Usage: info macros [LINESPEC]")); |
9b158ba0 | 525 | |
1a966eab AC |
526 | add_cmd ("define", no_class, macro_define_command, _("\ |
527 | Define a new C/C++ preprocessor macro.\n\ | |
528 | The GDB command `macro define DEFINITION' is equivalent to placing a\n\ | |
529 | preprocessor directive of the form `#define DEFINITION' such that the\n\ | |
530 | definition is visible in all the inferior's source files.\n\ | |
531 | For example:\n\ | |
532 | (gdb) macro define PI (3.1415926)\n\ | |
533 | (gdb) macro define MIN(x,y) ((x) < (y) ? (x) : (y))"), | |
534 | ¯olist); | |
535 | ||
536 | add_cmd ("undef", no_class, macro_undef_command, _("\ | |
537 | Remove the definition of the C/C++ preprocessor macro with the given name."), | |
538 | ¯olist); | |
539 | ||
540 | add_cmd ("list", no_class, macro_list_command, | |
541 | _("List all the macros defined using the `macro define' command."), | |
542 | ¯olist); | |
6821892e | 543 | } |