Commit | Line | Data |
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c906108c | 1 | /* C language support routines for GDB, the GNU debugger. |
ce27fb25 | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003, |
4 | 2004, 2005, 2007 Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "parser-defs.h" | |
28 | #include "language.h" | |
29 | #include "c-lang.h" | |
745b8ca0 | 30 | #include "valprint.h" |
84f0252a JB |
31 | #include "macroscope.h" |
32 | #include "gdb_assert.h" | |
234b45d4 | 33 | #include "charset.h" |
a15ef5f5 | 34 | #include "gdb_string.h" |
9a3d7dfd | 35 | #include "demangle.h" |
b18be20d | 36 | #include "cp-abi.h" |
1fcb5155 | 37 | #include "cp-support.h" |
c906108c | 38 | |
a14ed312 | 39 | extern void _initialize_c_language (void); |
d9fcf2fb | 40 | static void c_emit_char (int c, struct ui_file * stream, int quoter); |
c906108c SS |
41 | |
42 | /* Print the character C on STREAM as part of the contents of a literal | |
43 | string whose delimiter is QUOTER. Note that that format for printing | |
44 | characters and strings is language specific. */ | |
45 | ||
46 | static void | |
f86f5ca3 | 47 | c_emit_char (int c, struct ui_file *stream, int quoter) |
c906108c | 48 | { |
234b45d4 KB |
49 | const char *escape; |
50 | int host_char; | |
51 | ||
c906108c SS |
52 | c &= 0xFF; /* Avoid sign bit follies */ |
53 | ||
234b45d4 KB |
54 | escape = c_target_char_has_backslash_escape (c); |
55 | if (escape) | |
c906108c | 56 | { |
234b45d4 KB |
57 | if (quoter == '"' && strcmp (escape, "0") == 0) |
58 | /* Print nulls embedded in double quoted strings as \000 to | |
59 | prevent ambiguity. */ | |
60 | fprintf_filtered (stream, "\\000"); | |
61 | else | |
62 | fprintf_filtered (stream, "\\%s", escape); | |
c906108c | 63 | } |
234b45d4 KB |
64 | else if (target_char_to_host (c, &host_char) |
65 | && host_char_print_literally (host_char)) | |
c906108c | 66 | { |
234b45d4 KB |
67 | if (host_char == '\\' || host_char == quoter) |
68 | fputs_filtered ("\\", stream); | |
69 | fprintf_filtered (stream, "%c", host_char); | |
c906108c | 70 | } |
234b45d4 KB |
71 | else |
72 | fprintf_filtered (stream, "\\%.3o", (unsigned int) c); | |
c906108c SS |
73 | } |
74 | ||
75 | void | |
fba45db2 | 76 | c_printchar (int c, struct ui_file *stream) |
c906108c SS |
77 | { |
78 | fputc_filtered ('\'', stream); | |
79 | LA_EMIT_CHAR (c, stream, '\''); | |
80 | fputc_filtered ('\'', stream); | |
81 | } | |
82 | ||
83 | /* Print the character string STRING, printing at most LENGTH characters. | |
84 | LENGTH is -1 if the string is nul terminated. Each character is WIDTH bytes | |
85 | long. Printing stops early if the number hits print_max; repeat counts are | |
86 | printed as appropriate. Print ellipses at the end if we had to stop before | |
87 | printing LENGTH characters, or if FORCE_ELLIPSES. */ | |
88 | ||
89 | void | |
fc1a4b47 | 90 | c_printstr (struct ui_file *stream, const gdb_byte *string, |
ce27fb25 | 91 | unsigned int length, int width, int force_ellipses) |
c906108c | 92 | { |
f86f5ca3 | 93 | unsigned int i; |
c906108c SS |
94 | unsigned int things_printed = 0; |
95 | int in_quotes = 0; | |
96 | int need_comma = 0; | |
c906108c SS |
97 | |
98 | /* If the string was not truncated due to `set print elements', and | |
99 | the last byte of it is a null, we don't print that, in traditional C | |
100 | style. */ | |
101 | if (!force_ellipses | |
102 | && length > 0 | |
78a51202 JB |
103 | && (extract_unsigned_integer (string + (length - 1) * width, width) |
104 | == '\0')) | |
c906108c SS |
105 | length--; |
106 | ||
107 | if (length == 0) | |
108 | { | |
109 | fputs_filtered ("\"\"", stream); | |
110 | return; | |
111 | } | |
112 | ||
113 | for (i = 0; i < length && things_printed < print_max; ++i) | |
114 | { | |
115 | /* Position of the character we are examining | |
c5aa993b | 116 | to see whether it is repeated. */ |
c906108c SS |
117 | unsigned int rep1; |
118 | /* Number of repetitions we have detected so far. */ | |
119 | unsigned int reps; | |
120 | unsigned long current_char; | |
121 | ||
122 | QUIT; | |
123 | ||
124 | if (need_comma) | |
125 | { | |
126 | fputs_filtered (", ", stream); | |
127 | need_comma = 0; | |
128 | } | |
129 | ||
130 | current_char = extract_unsigned_integer (string + i * width, width); | |
131 | ||
132 | rep1 = i + 1; | |
133 | reps = 1; | |
134 | while (rep1 < length | |
135 | && extract_unsigned_integer (string + rep1 * width, width) | |
c5aa993b | 136 | == current_char) |
c906108c SS |
137 | { |
138 | ++rep1; | |
139 | ++reps; | |
140 | } | |
141 | ||
142 | if (reps > repeat_count_threshold) | |
143 | { | |
144 | if (in_quotes) | |
145 | { | |
146 | if (inspect_it) | |
147 | fputs_filtered ("\\\", ", stream); | |
148 | else | |
149 | fputs_filtered ("\", ", stream); | |
150 | in_quotes = 0; | |
151 | } | |
152 | LA_PRINT_CHAR (current_char, stream); | |
3d263c1d | 153 | fprintf_filtered (stream, _(" <repeats %u times>"), reps); |
c906108c SS |
154 | i = rep1 - 1; |
155 | things_printed += repeat_count_threshold; | |
156 | need_comma = 1; | |
157 | } | |
158 | else | |
159 | { | |
160 | if (!in_quotes) | |
161 | { | |
162 | if (inspect_it) | |
163 | fputs_filtered ("\\\"", stream); | |
164 | else | |
165 | fputs_filtered ("\"", stream); | |
166 | in_quotes = 1; | |
167 | } | |
168 | LA_EMIT_CHAR (current_char, stream, '"'); | |
169 | ++things_printed; | |
170 | } | |
171 | } | |
172 | ||
173 | /* Terminate the quotes if necessary. */ | |
174 | if (in_quotes) | |
175 | { | |
176 | if (inspect_it) | |
177 | fputs_filtered ("\\\"", stream); | |
178 | else | |
179 | fputs_filtered ("\"", stream); | |
180 | } | |
181 | ||
182 | if (force_ellipses || i < length) | |
183 | fputs_filtered ("...", stream); | |
184 | } | |
185 | ||
186 | /* Create a fundamental C type using default reasonable for the current | |
187 | target machine. | |
188 | ||
189 | Some object/debugging file formats (DWARF version 1, COFF, etc) do not | |
190 | define fundamental types such as "int" or "double". Others (stabs or | |
191 | DWARF version 2, etc) do define fundamental types. For the formats which | |
192 | don't provide fundamental types, gdb can create such types using this | |
193 | function. | |
194 | ||
195 | FIXME: Some compilers distinguish explicitly signed integral types | |
196 | (signed short, signed int, signed long) from "regular" integral types | |
197 | (short, int, long) in the debugging information. There is some dis- | |
198 | agreement as to how useful this feature is. In particular, gcc does | |
199 | not support this. Also, only some debugging formats allow the | |
200 | distinction to be passed on to a debugger. For now, we always just | |
201 | use "short", "int", or "long" as the type name, for both the implicit | |
202 | and explicitly signed types. This also makes life easier for the | |
203 | gdb test suite since we don't have to account for the differences | |
204 | in output depending upon what the compiler and debugging format | |
205 | support. We will probably have to re-examine the issue when gdb | |
8470e927 | 206 | starts taking its fundamental type information directly from the |
c906108c SS |
207 | debugging information supplied by the compiler. fnf@cygnus.com */ |
208 | ||
209 | struct type * | |
fba45db2 | 210 | c_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c | 211 | { |
f86f5ca3 | 212 | struct type *type = NULL; |
c906108c SS |
213 | |
214 | switch (typeid) | |
215 | { | |
c5aa993b JM |
216 | default: |
217 | /* FIXME: For now, if we are asked to produce a type not in this | |
218 | language, create the equivalent of a C integer type with the | |
219 | name "<?type?>". When all the dust settles from the type | |
220 | reconstruction work, this should probably become an error. */ | |
221 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 222 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b | 223 | 0, "<?type?>", objfile); |
3d263c1d | 224 | warning (_("internal error: no C/C++ fundamental type %d"), typeid); |
c5aa993b JM |
225 | break; |
226 | case FT_VOID: | |
227 | type = init_type (TYPE_CODE_VOID, | |
228 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
229 | 0, "void", objfile); | |
230 | break; | |
231 | case FT_BOOLEAN: | |
232 | type = init_type (TYPE_CODE_BOOL, | |
233 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
234 | 0, "bool", objfile); | |
c5aa993b JM |
235 | break; |
236 | case FT_CHAR: | |
237 | type = init_type (TYPE_CODE_INT, | |
238 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
6edc140f | 239 | TYPE_FLAG_NOSIGN, "char", objfile); |
c5aa993b JM |
240 | break; |
241 | case FT_SIGNED_CHAR: | |
242 | type = init_type (TYPE_CODE_INT, | |
243 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
244 | 0, "signed char", objfile); | |
245 | break; | |
246 | case FT_UNSIGNED_CHAR: | |
247 | type = init_type (TYPE_CODE_INT, | |
248 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
249 | TYPE_FLAG_UNSIGNED, "unsigned char", objfile); | |
250 | break; | |
251 | case FT_SHORT: | |
252 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 253 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
254 | 0, "short", objfile); |
255 | break; | |
256 | case FT_SIGNED_SHORT: | |
257 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 258 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
259 | 0, "short", objfile); /* FIXME-fnf */ |
260 | break; | |
261 | case FT_UNSIGNED_SHORT: | |
262 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 263 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
264 | TYPE_FLAG_UNSIGNED, "unsigned short", objfile); |
265 | break; | |
266 | case FT_INTEGER: | |
267 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 268 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
269 | 0, "int", objfile); |
270 | break; | |
271 | case FT_SIGNED_INTEGER: | |
272 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 273 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
274 | 0, "int", objfile); /* FIXME -fnf */ |
275 | break; | |
276 | case FT_UNSIGNED_INTEGER: | |
277 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 278 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
279 | TYPE_FLAG_UNSIGNED, "unsigned int", objfile); |
280 | break; | |
281 | case FT_LONG: | |
282 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 283 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
284 | 0, "long", objfile); |
285 | break; | |
286 | case FT_SIGNED_LONG: | |
287 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 288 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
289 | 0, "long", objfile); /* FIXME -fnf */ |
290 | break; | |
291 | case FT_UNSIGNED_LONG: | |
292 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 293 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
294 | TYPE_FLAG_UNSIGNED, "unsigned long", objfile); |
295 | break; | |
296 | case FT_LONG_LONG: | |
297 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 UW |
298 | gdbarch_long_long_bit (current_gdbarch) |
299 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
300 | 0, "long long", objfile); |
301 | break; | |
302 | case FT_SIGNED_LONG_LONG: | |
303 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 UW |
304 | gdbarch_long_long_bit (current_gdbarch) |
305 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
306 | 0, "signed long long", objfile); |
307 | break; | |
308 | case FT_UNSIGNED_LONG_LONG: | |
309 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 UW |
310 | gdbarch_long_long_bit (current_gdbarch) |
311 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
312 | TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); |
313 | break; | |
314 | case FT_FLOAT: | |
315 | type = init_type (TYPE_CODE_FLT, | |
ea06eb3d | 316 | gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
317 | 0, "float", objfile); |
318 | break; | |
319 | case FT_DBL_PREC_FLOAT: | |
320 | type = init_type (TYPE_CODE_FLT, | |
ea06eb3d | 321 | gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
322 | 0, "double", objfile); |
323 | break; | |
324 | case FT_EXT_PREC_FLOAT: | |
325 | type = init_type (TYPE_CODE_FLT, | |
ea06eb3d UW |
326 | gdbarch_long_double_bit (current_gdbarch) |
327 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
328 | 0, "long double", objfile); |
329 | break; | |
f65ca430 DJ |
330 | case FT_COMPLEX: |
331 | type = init_type (TYPE_CODE_FLT, | |
ea06eb3d UW |
332 | 2 * gdbarch_float_bit (current_gdbarch) |
333 | / TARGET_CHAR_BIT, | |
f65ca430 DJ |
334 | 0, "complex float", objfile); |
335 | TYPE_TARGET_TYPE (type) | |
ea06eb3d UW |
336 | = init_type (TYPE_CODE_FLT, |
337 | gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
f65ca430 DJ |
338 | 0, "float", objfile); |
339 | break; | |
340 | case FT_DBL_PREC_COMPLEX: | |
341 | type = init_type (TYPE_CODE_FLT, | |
ea06eb3d UW |
342 | 2 * gdbarch_double_bit (current_gdbarch) |
343 | / TARGET_CHAR_BIT, | |
f65ca430 DJ |
344 | 0, "complex double", objfile); |
345 | TYPE_TARGET_TYPE (type) | |
ea06eb3d UW |
346 | = init_type (TYPE_CODE_FLT, |
347 | gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
f65ca430 DJ |
348 | 0, "double", objfile); |
349 | break; | |
350 | case FT_EXT_PREC_COMPLEX: | |
351 | type = init_type (TYPE_CODE_FLT, | |
ea06eb3d UW |
352 | 2 * gdbarch_long_double_bit (current_gdbarch) |
353 | / TARGET_CHAR_BIT, | |
f65ca430 DJ |
354 | 0, "complex long double", objfile); |
355 | TYPE_TARGET_TYPE (type) | |
ea06eb3d UW |
356 | = init_type (TYPE_CODE_FLT, |
357 | gdbarch_long_double_bit (current_gdbarch) | |
358 | / TARGET_CHAR_BIT, | |
f65ca430 DJ |
359 | 0, "long double", objfile); |
360 | break; | |
c5aa993b JM |
361 | case FT_TEMPLATE_ARG: |
362 | type = init_type (TYPE_CODE_TEMPLATE_ARG, | |
363 | 0, | |
364 | 0, "<template arg>", objfile); | |
c5aa993b JM |
365 | break; |
366 | } | |
c906108c SS |
367 | return (type); |
368 | } | |
c906108c | 369 | \f |
84f0252a | 370 | /* Preprocessing and parsing C and C++ expressions. */ |
c5aa993b | 371 | |
84f0252a JB |
372 | |
373 | /* When we find that lexptr (the global var defined in parse.c) is | |
374 | pointing at a macro invocation, we expand the invocation, and call | |
375 | scan_macro_expansion to save the old lexptr here and point lexptr | |
376 | into the expanded text. When we reach the end of that, we call | |
377 | end_macro_expansion to pop back to the value we saved here. The | |
378 | macro expansion code promises to return only fully-expanded text, | |
379 | so we don't need to "push" more than one level. | |
380 | ||
381 | This is disgusting, of course. It would be cleaner to do all macro | |
382 | expansion beforehand, and then hand that to lexptr. But we don't | |
383 | really know where the expression ends. Remember, in a command like | |
384 | ||
385 | (gdb) break *ADDRESS if CONDITION | |
386 | ||
387 | we evaluate ADDRESS in the scope of the current frame, but we | |
388 | evaluate CONDITION in the scope of the breakpoint's location. So | |
389 | it's simply wrong to try to macro-expand the whole thing at once. */ | |
390 | static char *macro_original_text; | |
391 | static char *macro_expanded_text; | |
392 | ||
393 | ||
394 | void | |
395 | scan_macro_expansion (char *expansion) | |
396 | { | |
397 | /* We'd better not be trying to push the stack twice. */ | |
398 | gdb_assert (! macro_original_text); | |
399 | gdb_assert (! macro_expanded_text); | |
400 | ||
401 | /* Save the old lexptr value, so we can return to it when we're done | |
402 | parsing the expanded text. */ | |
403 | macro_original_text = lexptr; | |
404 | lexptr = expansion; | |
405 | ||
406 | /* Save the expanded text, so we can free it when we're finished. */ | |
407 | macro_expanded_text = expansion; | |
408 | } | |
409 | ||
410 | ||
411 | int | |
5ae5f592 | 412 | scanning_macro_expansion (void) |
84f0252a JB |
413 | { |
414 | return macro_original_text != 0; | |
415 | } | |
416 | ||
417 | ||
418 | void | |
5ae5f592 | 419 | finished_macro_expansion (void) |
84f0252a JB |
420 | { |
421 | /* There'd better be something to pop back to, and we better have | |
422 | saved a pointer to the start of the expanded text. */ | |
423 | gdb_assert (macro_original_text); | |
424 | gdb_assert (macro_expanded_text); | |
425 | ||
426 | /* Pop back to the original text. */ | |
427 | lexptr = macro_original_text; | |
428 | macro_original_text = 0; | |
429 | ||
430 | /* Free the expanded text. */ | |
431 | xfree (macro_expanded_text); | |
432 | macro_expanded_text = 0; | |
433 | } | |
434 | ||
435 | ||
436 | static void | |
437 | scan_macro_cleanup (void *dummy) | |
438 | { | |
439 | if (macro_original_text) | |
440 | finished_macro_expansion (); | |
441 | } | |
442 | ||
443 | ||
444 | /* We set these global variables before calling c_parse, to tell it | |
445 | how it to find macro definitions for the expression at hand. */ | |
446 | macro_lookup_ftype *expression_macro_lookup_func; | |
447 | void *expression_macro_lookup_baton; | |
448 | ||
449 | ||
450 | static struct macro_definition * | |
451 | null_macro_lookup (const char *name, void *baton) | |
452 | { | |
453 | return 0; | |
454 | } | |
455 | ||
456 | ||
457 | static int | |
5ae5f592 | 458 | c_preprocess_and_parse (void) |
84f0252a JB |
459 | { |
460 | /* Set up a lookup function for the macro expander. */ | |
461 | struct macro_scope *scope = 0; | |
462 | struct cleanup *back_to = make_cleanup (free_current_contents, &scope); | |
463 | ||
464 | if (expression_context_block) | |
465 | scope = sal_macro_scope (find_pc_line (expression_context_pc, 0)); | |
466 | else | |
467 | scope = default_macro_scope (); | |
468 | ||
469 | if (scope) | |
470 | { | |
471 | expression_macro_lookup_func = standard_macro_lookup; | |
472 | expression_macro_lookup_baton = (void *) scope; | |
473 | } | |
474 | else | |
475 | { | |
476 | expression_macro_lookup_func = null_macro_lookup; | |
477 | expression_macro_lookup_baton = 0; | |
478 | } | |
479 | ||
480 | gdb_assert (! macro_original_text); | |
481 | make_cleanup (scan_macro_cleanup, 0); | |
482 | ||
483 | { | |
484 | int result = c_parse (); | |
485 | do_cleanups (back_to); | |
486 | return result; | |
487 | } | |
488 | } | |
489 | ||
490 | ||
491 | \f | |
c906108c SS |
492 | /* Table mapping opcodes into strings for printing operators |
493 | and precedences of the operators. */ | |
494 | ||
495 | const struct op_print c_op_print_tab[] = | |
c5aa993b JM |
496 | { |
497 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
498 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
499 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
500 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
501 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
502 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
503 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
504 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
505 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
506 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
507 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
508 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
509 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
510 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
511 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
512 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
513 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
514 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
515 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
516 | {"%", BINOP_REM, PREC_MUL, 0}, | |
517 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
518 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
519 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
520 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
521 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
522 | {"&", UNOP_ADDR, PREC_PREFIX, 0}, | |
523 | {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, | |
524 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, | |
525 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
c5aa993b | 526 | {NULL, 0, 0, 0} |
c906108c SS |
527 | }; |
528 | \f | |
685419e2 AC |
529 | enum c_primitive_types { |
530 | c_primitive_type_int, | |
531 | c_primitive_type_long, | |
532 | c_primitive_type_short, | |
533 | c_primitive_type_char, | |
534 | c_primitive_type_float, | |
535 | c_primitive_type_double, | |
536 | c_primitive_type_void, | |
537 | c_primitive_type_long_long, | |
538 | c_primitive_type_signed_char, | |
539 | c_primitive_type_unsigned_char, | |
540 | c_primitive_type_unsigned_short, | |
541 | c_primitive_type_unsigned_int, | |
542 | c_primitive_type_unsigned_long, | |
543 | c_primitive_type_unsigned_long_long, | |
544 | c_primitive_type_long_double, | |
545 | c_primitive_type_complex, | |
546 | c_primitive_type_double_complex, | |
547 | nr_c_primitive_types | |
548 | }; | |
549 | ||
e9667a65 | 550 | void |
685419e2 AC |
551 | c_language_arch_info (struct gdbarch *gdbarch, |
552 | struct language_arch_info *lai) | |
553 | { | |
554 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
e9667a65 | 555 | lai->string_char_type = builtin->builtin_char; |
685419e2 AC |
556 | lai->primitive_type_vector |
557 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_c_primitive_types + 1, | |
558 | struct type *); | |
559 | lai->primitive_type_vector [c_primitive_type_int] = builtin->builtin_int; | |
560 | lai->primitive_type_vector [c_primitive_type_long] = builtin->builtin_long; | |
561 | lai->primitive_type_vector [c_primitive_type_short] = builtin->builtin_short; | |
562 | lai->primitive_type_vector [c_primitive_type_char] = builtin->builtin_char; | |
563 | lai->primitive_type_vector [c_primitive_type_float] = builtin->builtin_float; | |
564 | lai->primitive_type_vector [c_primitive_type_double] = builtin->builtin_double; | |
565 | lai->primitive_type_vector [c_primitive_type_void] = builtin->builtin_void; | |
566 | lai->primitive_type_vector [c_primitive_type_long_long] = builtin->builtin_long_long; | |
567 | lai->primitive_type_vector [c_primitive_type_signed_char] = builtin->builtin_signed_char; | |
568 | lai->primitive_type_vector [c_primitive_type_unsigned_char] = builtin->builtin_unsigned_char; | |
569 | lai->primitive_type_vector [c_primitive_type_unsigned_short] = builtin->builtin_unsigned_short; | |
570 | lai->primitive_type_vector [c_primitive_type_unsigned_int] = builtin->builtin_unsigned_int; | |
571 | lai->primitive_type_vector [c_primitive_type_unsigned_long] = builtin->builtin_unsigned_long; | |
572 | lai->primitive_type_vector [c_primitive_type_unsigned_long_long] = builtin->builtin_unsigned_long_long; | |
573 | lai->primitive_type_vector [c_primitive_type_long_double] = builtin->builtin_long_double; | |
574 | lai->primitive_type_vector [c_primitive_type_complex] = builtin->builtin_complex; | |
575 | lai->primitive_type_vector [c_primitive_type_double_complex] = builtin->builtin_double_complex; | |
cad351d1 | 576 | } |
685419e2 | 577 | |
c5aa993b JM |
578 | const struct language_defn c_language_defn = |
579 | { | |
c906108c SS |
580 | "c", /* Language name */ |
581 | language_c, | |
685419e2 | 582 | NULL, |
c906108c SS |
583 | range_check_off, |
584 | type_check_off, | |
63872f9d | 585 | case_sensitive_on, |
7ca2d3a3 | 586 | array_row_major, |
5f9769d1 | 587 | &exp_descriptor_standard, |
84f0252a | 588 | c_preprocess_and_parse, |
c906108c | 589 | c_error, |
e85c3284 | 590 | null_post_parser, |
c906108c SS |
591 | c_printchar, /* Print a character constant */ |
592 | c_printstr, /* Function to print string constant */ | |
593 | c_emit_char, /* Print a single char */ | |
594 | c_create_fundamental_type, /* Create fundamental type in this language */ | |
595 | c_print_type, /* Print a type using appropriate syntax */ | |
596 | c_val_print, /* Print a value using appropriate syntax */ | |
597 | c_value_print, /* Print a top-level value */ | |
f636b87d | 598 | NULL, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
599 | NULL, /* value_of_this */ |
600 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 601 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 602 | NULL, /* Language specific symbol demangler */ |
31c27f77 | 603 | NULL, /* Language specific class_name_from_physname */ |
c906108c SS |
604 | c_op_print_tab, /* expression operators for printing */ |
605 | 1, /* c-style arrays */ | |
606 | 0, /* String lower bound */ | |
685419e2 | 607 | NULL, |
6084f43a | 608 | default_word_break_characters, |
685419e2 | 609 | c_language_arch_info, |
e79af960 | 610 | default_print_array_index, |
c906108c SS |
611 | LANG_MAGIC |
612 | }; | |
613 | ||
cad351d1 UW |
614 | enum cplus_primitive_types { |
615 | cplus_primitive_type_int, | |
616 | cplus_primitive_type_long, | |
617 | cplus_primitive_type_short, | |
618 | cplus_primitive_type_char, | |
619 | cplus_primitive_type_float, | |
620 | cplus_primitive_type_double, | |
621 | cplus_primitive_type_void, | |
622 | cplus_primitive_type_long_long, | |
623 | cplus_primitive_type_signed_char, | |
624 | cplus_primitive_type_unsigned_char, | |
625 | cplus_primitive_type_unsigned_short, | |
626 | cplus_primitive_type_unsigned_int, | |
627 | cplus_primitive_type_unsigned_long, | |
628 | cplus_primitive_type_unsigned_long_long, | |
629 | cplus_primitive_type_long_double, | |
630 | cplus_primitive_type_complex, | |
631 | cplus_primitive_type_double_complex, | |
632 | cplus_primitive_type_bool, | |
633 | nr_cplus_primitive_types | |
c906108c SS |
634 | }; |
635 | ||
cad351d1 UW |
636 | static void |
637 | cplus_language_arch_info (struct gdbarch *gdbarch, | |
638 | struct language_arch_info *lai) | |
639 | { | |
640 | const struct builtin_type *builtin = builtin_type (gdbarch); | |
641 | lai->string_char_type = builtin->builtin_char; | |
642 | lai->primitive_type_vector | |
643 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_cplus_primitive_types + 1, | |
644 | struct type *); | |
645 | lai->primitive_type_vector [cplus_primitive_type_int] | |
646 | = builtin->builtin_int; | |
647 | lai->primitive_type_vector [cplus_primitive_type_long] | |
648 | = builtin->builtin_long; | |
649 | lai->primitive_type_vector [cplus_primitive_type_short] | |
650 | = builtin->builtin_short; | |
651 | lai->primitive_type_vector [cplus_primitive_type_char] | |
652 | = builtin->builtin_char; | |
653 | lai->primitive_type_vector [cplus_primitive_type_float] | |
654 | = builtin->builtin_float; | |
655 | lai->primitive_type_vector [cplus_primitive_type_double] | |
656 | = builtin->builtin_double; | |
657 | lai->primitive_type_vector [cplus_primitive_type_void] | |
658 | = builtin->builtin_void; | |
659 | lai->primitive_type_vector [cplus_primitive_type_long_long] | |
660 | = builtin->builtin_long_long; | |
661 | lai->primitive_type_vector [cplus_primitive_type_signed_char] | |
662 | = builtin->builtin_signed_char; | |
663 | lai->primitive_type_vector [cplus_primitive_type_unsigned_char] | |
664 | = builtin->builtin_unsigned_char; | |
665 | lai->primitive_type_vector [cplus_primitive_type_unsigned_short] | |
666 | = builtin->builtin_unsigned_short; | |
667 | lai->primitive_type_vector [cplus_primitive_type_unsigned_int] | |
668 | = builtin->builtin_unsigned_int; | |
669 | lai->primitive_type_vector [cplus_primitive_type_unsigned_long] | |
670 | = builtin->builtin_unsigned_long; | |
671 | lai->primitive_type_vector [cplus_primitive_type_unsigned_long_long] | |
672 | = builtin->builtin_unsigned_long_long; | |
673 | lai->primitive_type_vector [cplus_primitive_type_long_double] | |
674 | = builtin->builtin_long_double; | |
675 | lai->primitive_type_vector [cplus_primitive_type_complex] | |
676 | = builtin->builtin_complex; | |
677 | lai->primitive_type_vector [cplus_primitive_type_double_complex] | |
678 | = builtin->builtin_double_complex; | |
679 | lai->primitive_type_vector [cplus_primitive_type_bool] | |
680 | = builtin->builtin_bool; | |
681 | } | |
682 | ||
c5aa993b JM |
683 | const struct language_defn cplus_language_defn = |
684 | { | |
685 | "c++", /* Language name */ | |
c906108c | 686 | language_cplus, |
cad351d1 | 687 | NULL, |
c906108c SS |
688 | range_check_off, |
689 | type_check_off, | |
63872f9d | 690 | case_sensitive_on, |
7ca2d3a3 | 691 | array_row_major, |
5f9769d1 | 692 | &exp_descriptor_standard, |
84f0252a | 693 | c_preprocess_and_parse, |
c906108c | 694 | c_error, |
e85c3284 | 695 | null_post_parser, |
c906108c SS |
696 | c_printchar, /* Print a character constant */ |
697 | c_printstr, /* Function to print string constant */ | |
698 | c_emit_char, /* Print a single char */ | |
699 | c_create_fundamental_type, /* Create fundamental type in this language */ | |
700 | c_print_type, /* Print a type using appropriate syntax */ | |
701 | c_val_print, /* Print a value using appropriate syntax */ | |
702 | c_value_print, /* Print a top-level value */ | |
b18be20d | 703 | cplus_skip_trampoline, /* Language specific skip_trampoline */ |
5f9a71c3 | 704 | value_of_this, /* value_of_this */ |
1fcb5155 | 705 | cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 706 | cp_lookup_transparent_type, /* lookup_transparent_type */ |
9a3d7dfd | 707 | cplus_demangle, /* Language specific symbol demangler */ |
31c27f77 | 708 | cp_class_name_from_physname, /* Language specific class_name_from_physname */ |
c906108c SS |
709 | c_op_print_tab, /* expression operators for printing */ |
710 | 1, /* c-style arrays */ | |
711 | 0, /* String lower bound */ | |
cad351d1 | 712 | NULL, |
6084f43a | 713 | default_word_break_characters, |
cad351d1 | 714 | cplus_language_arch_info, |
e79af960 | 715 | default_print_array_index, |
c906108c SS |
716 | LANG_MAGIC |
717 | }; | |
718 | ||
c5aa993b JM |
719 | const struct language_defn asm_language_defn = |
720 | { | |
c906108c SS |
721 | "asm", /* Language name */ |
722 | language_asm, | |
e9667a65 | 723 | NULL, |
c906108c SS |
724 | range_check_off, |
725 | type_check_off, | |
63872f9d | 726 | case_sensitive_on, |
7ca2d3a3 | 727 | array_row_major, |
5f9769d1 | 728 | &exp_descriptor_standard, |
84f0252a | 729 | c_preprocess_and_parse, |
c906108c | 730 | c_error, |
e85c3284 | 731 | null_post_parser, |
c906108c SS |
732 | c_printchar, /* Print a character constant */ |
733 | c_printstr, /* Function to print string constant */ | |
734 | c_emit_char, /* Print a single char */ | |
735 | c_create_fundamental_type, /* Create fundamental type in this language */ | |
736 | c_print_type, /* Print a type using appropriate syntax */ | |
737 | c_val_print, /* Print a value using appropriate syntax */ | |
738 | c_value_print, /* Print a top-level value */ | |
f636b87d | 739 | NULL, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
740 | NULL, /* value_of_this */ |
741 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 742 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 743 | NULL, /* Language specific symbol demangler */ |
31c27f77 | 744 | NULL, /* Language specific class_name_from_physname */ |
c906108c SS |
745 | c_op_print_tab, /* expression operators for printing */ |
746 | 1, /* c-style arrays */ | |
747 | 0, /* String lower bound */ | |
e9667a65 | 748 | NULL, |
6084f43a | 749 | default_word_break_characters, |
e9667a65 | 750 | c_language_arch_info, /* FIXME: la_language_arch_info. */ |
e79af960 | 751 | default_print_array_index, |
c906108c SS |
752 | LANG_MAGIC |
753 | }; | |
754 | ||
20a0e81d JB |
755 | /* The following language_defn does not represent a real language. |
756 | It just provides a minimal support a-la-C that should allow users | |
757 | to do some simple operations when debugging applications that use | |
758 | a language currently not supported by GDB. */ | |
759 | ||
760 | const struct language_defn minimal_language_defn = | |
761 | { | |
762 | "minimal", /* Language name */ | |
763 | language_minimal, | |
e9667a65 | 764 | NULL, |
20a0e81d JB |
765 | range_check_off, |
766 | type_check_off, | |
767 | case_sensitive_on, | |
7ca2d3a3 | 768 | array_row_major, |
5f9769d1 | 769 | &exp_descriptor_standard, |
20a0e81d JB |
770 | c_preprocess_and_parse, |
771 | c_error, | |
e85c3284 | 772 | null_post_parser, |
20a0e81d JB |
773 | c_printchar, /* Print a character constant */ |
774 | c_printstr, /* Function to print string constant */ | |
775 | c_emit_char, /* Print a single char */ | |
776 | c_create_fundamental_type, /* Create fundamental type in this language */ | |
777 | c_print_type, /* Print a type using appropriate syntax */ | |
778 | c_val_print, /* Print a value using appropriate syntax */ | |
779 | c_value_print, /* Print a top-level value */ | |
780 | NULL, /* Language specific skip_trampoline */ | |
5f9a71c3 DC |
781 | NULL, /* value_of_this */ |
782 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 783 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
20a0e81d | 784 | NULL, /* Language specific symbol demangler */ |
31c27f77 | 785 | NULL, /* Language specific class_name_from_physname */ |
20a0e81d JB |
786 | c_op_print_tab, /* expression operators for printing */ |
787 | 1, /* c-style arrays */ | |
788 | 0, /* String lower bound */ | |
e9667a65 | 789 | NULL, |
6084f43a | 790 | default_word_break_characters, |
e9667a65 | 791 | c_language_arch_info, |
e79af960 | 792 | default_print_array_index, |
20a0e81d JB |
793 | LANG_MAGIC |
794 | }; | |
795 | ||
c906108c | 796 | void |
fba45db2 | 797 | _initialize_c_language (void) |
c906108c SS |
798 | { |
799 | add_language (&c_language_defn); | |
800 | add_language (&cplus_language_defn); | |
801 | add_language (&asm_language_defn); | |
20a0e81d | 802 | add_language (&minimal_language_defn); |
c906108c | 803 | } |