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c906108c | 1 | /* Source-language-related definitions for GDB. |
1bac305b | 2 | |
0b302171 JB |
3 | Copyright (C) 1991-1995, 1998-2000, 2003-2004, 2007-2012 Free |
4 | Software Foundation, Inc. | |
1bac305b | 5 | |
c906108c SS |
6 | Contributed by the Department of Computer Science at the State University |
7 | of New York at Buffalo. | |
8 | ||
c5aa993b | 9 | This file is part of GDB. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 13 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 14 | (at your option) any later version. |
c906108c | 15 | |
c5aa993b JM |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
c906108c | 20 | |
c5aa993b | 21 | You should have received a copy of the GNU General Public License |
a9762ec7 | 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
23 | |
24 | #if !defined (LANGUAGE_H) | |
25 | #define LANGUAGE_H 1 | |
26 | ||
1777feb0 | 27 | /* Forward decls for prototypes. */ |
c906108c SS |
28 | struct value; |
29 | struct objfile; | |
52f729a7 | 30 | struct frame_info; |
c906108c | 31 | struct expression; |
da3331ec | 32 | struct ui_file; |
79a45b7d | 33 | struct value_print_options; |
62dfaa9c | 34 | |
1777feb0 | 35 | #define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims. */ |
c906108c SS |
36 | |
37 | /* range_mode == | |
38 | range_mode_auto: range_check set automatically to default of language. | |
39 | range_mode_manual: range_check set manually by user. */ | |
40 | ||
c5aa993b JM |
41 | extern enum range_mode |
42 | { | |
43 | range_mode_auto, range_mode_manual | |
44 | } | |
45 | range_mode; | |
c906108c SS |
46 | |
47 | /* range_check == | |
48 | range_check_on: Ranges are checked in GDB expressions, producing errors. | |
49 | range_check_warn: Ranges are checked, producing warnings. | |
50 | range_check_off: Ranges are not checked in GDB expressions. */ | |
51 | ||
52 | extern enum range_check | |
c5aa993b JM |
53 | { |
54 | range_check_off, range_check_warn, range_check_on | |
55 | } | |
56 | range_check; | |
c906108c SS |
57 | |
58 | /* type_mode == | |
1777feb0 MS |
59 | type_mode_auto: type_check set automatically to default of language. |
60 | type_mode_manual: type_check set manually by user. */ | |
c906108c | 61 | |
c5aa993b JM |
62 | extern enum type_mode |
63 | { | |
64 | type_mode_auto, type_mode_manual | |
65 | } | |
66 | type_mode; | |
c906108c SS |
67 | |
68 | /* type_check == | |
69 | type_check_on: Types are checked in GDB expressions, producing errors. | |
70 | type_check_warn: Types are checked, producing warnings. | |
71 | type_check_off: Types are not checked in GDB expressions. */ | |
72 | ||
73 | extern enum type_check | |
c5aa993b JM |
74 | { |
75 | type_check_off, type_check_warn, type_check_on | |
76 | } | |
77 | type_check; | |
63872f9d JG |
78 | |
79 | /* case_mode == | |
1777feb0 | 80 | case_mode_auto: case_sensitivity set upon selection of scope. |
63872f9d JG |
81 | case_mode_manual: case_sensitivity set only by user. */ |
82 | ||
83 | extern enum case_mode | |
84 | { | |
85 | case_mode_auto, case_mode_manual | |
86 | } | |
87 | case_mode; | |
88 | ||
7ca2d3a3 | 89 | /* array_ordering == |
1777feb0 MS |
90 | array_row_major: Arrays are in row major order. |
91 | array_column_major: Arrays are in column major order. */ | |
7ca2d3a3 DL |
92 | |
93 | extern enum array_ordering | |
94 | { | |
95 | array_row_major, array_column_major | |
96 | } | |
97 | array_ordering; | |
98 | ||
99 | ||
63872f9d | 100 | /* case_sensitivity == |
1777feb0 MS |
101 | case_sensitive_on: Case sensitivity in name matching is used. |
102 | case_sensitive_off: Case sensitivity in name matching is not used. */ | |
63872f9d JG |
103 | |
104 | extern enum case_sensitivity | |
105 | { | |
106 | case_sensitive_on, case_sensitive_off | |
107 | } | |
108 | case_sensitivity; | |
9a044a89 TT |
109 | |
110 | ||
111 | /* macro_expansion == | |
1777feb0 MS |
112 | macro_expansion_no: No macro expansion is available. |
113 | macro_expansion_c: C-like macro expansion is available. */ | |
9a044a89 TT |
114 | |
115 | enum macro_expansion | |
116 | { | |
117 | macro_expansion_no, macro_expansion_c | |
118 | }; | |
119 | ||
c906108c | 120 | \f |
f290d38e AC |
121 | /* Per architecture (OS/ABI) language information. */ |
122 | ||
123 | struct language_arch_info | |
124 | { | |
5a44ea29 | 125 | /* Its primitive types. This is a vector ended by a NULL pointer. |
f290d38e AC |
126 | These types can be specified by name in parsing types in |
127 | expressions, regardless of whether the program being debugged | |
128 | actually defines such a type. */ | |
5a44ea29 | 129 | struct type **primitive_type_vector; |
1777feb0 | 130 | /* Type of elements of strings. */ |
f290d38e | 131 | struct type *string_char_type; |
fbb06eb1 UW |
132 | |
133 | /* Symbol name of type to use as boolean type, if defined. */ | |
134 | const char *bool_type_symbol; | |
135 | /* Otherwise, this is the default boolean builtin type. */ | |
136 | struct type *bool_type_default; | |
f290d38e AC |
137 | }; |
138 | ||
c906108c SS |
139 | /* Structure tying together assorted information about a language. */ |
140 | ||
141 | struct language_defn | |
c5aa993b | 142 | { |
1777feb0 | 143 | /* Name of the language. */ |
c906108c | 144 | |
c5aa993b | 145 | char *la_name; |
c906108c | 146 | |
1777feb0 | 147 | /* its symtab language-enum (defs.h). */ |
c906108c | 148 | |
c5aa993b | 149 | enum language la_language; |
c906108c | 150 | |
1777feb0 | 151 | /* Default range checking. */ |
c906108c | 152 | |
c5aa993b | 153 | enum range_check la_range_check; |
c906108c | 154 | |
1777feb0 | 155 | /* Default type checking. */ |
c906108c | 156 | |
c5aa993b | 157 | enum type_check la_type_check; |
c906108c | 158 | |
1777feb0 | 159 | /* Default case sensitivity. */ |
63872f9d JG |
160 | enum case_sensitivity la_case_sensitivity; |
161 | ||
1777feb0 | 162 | /* Multi-dimensional array ordering. */ |
7ca2d3a3 DL |
163 | enum array_ordering la_array_ordering; |
164 | ||
9a044a89 TT |
165 | /* Style of macro expansion, if any, supported by this language. */ |
166 | enum macro_expansion la_macro_expansion; | |
167 | ||
5f9769d1 | 168 | /* Definitions related to expression printing, prefixifying, and |
1777feb0 | 169 | dumping. */ |
5f9769d1 PH |
170 | |
171 | const struct exp_descriptor *la_exp_desc; | |
172 | ||
1777feb0 | 173 | /* Parser function. */ |
c906108c | 174 | |
507f3c78 | 175 | int (*la_parser) (void); |
c906108c | 176 | |
1777feb0 | 177 | /* Parser error function. */ |
c906108c | 178 | |
507f3c78 | 179 | void (*la_error) (char *); |
c906108c | 180 | |
e85c3284 PH |
181 | /* Given an expression *EXPP created by prefixifying the result of |
182 | la_parser, perform any remaining processing necessary to complete | |
183 | its translation. *EXPP may change; la_post_parser is responsible | |
184 | for releasing its previous contents, if necessary. If | |
185 | VOID_CONTEXT_P, then no value is expected from the expression. */ | |
186 | ||
187 | void (*la_post_parser) (struct expression ** expp, int void_context_p); | |
188 | ||
3e43a32a MS |
189 | void (*la_printchar) (int ch, struct type *chtype, |
190 | struct ui_file * stream); | |
c906108c | 191 | |
6c7a06a3 TT |
192 | void (*la_printstr) (struct ui_file * stream, struct type *elttype, |
193 | const gdb_byte *string, unsigned int length, | |
be759fcf | 194 | const char *encoding, int force_ellipses, |
79a45b7d | 195 | const struct value_print_options *); |
c906108c | 196 | |
6c7a06a3 TT |
197 | void (*la_emitchar) (int ch, struct type *chtype, |
198 | struct ui_file * stream, int quoter); | |
c906108c | 199 | |
1777feb0 | 200 | /* Print a type using syntax appropriate for this language. */ |
c906108c | 201 | |
25b524e8 | 202 | void (*la_print_type) (struct type *, const char *, struct ui_file *, int, |
d9fcf2fb | 203 | int); |
c906108c | 204 | |
5c6ce71d TT |
205 | /* Print a typedef using syntax appropriate for this language. |
206 | TYPE is the underlying type. NEW_SYMBOL is the symbol naming | |
207 | the type. STREAM is the output stream on which to print. */ | |
208 | ||
209 | void (*la_print_typedef) (struct type *type, struct symbol *new_symbol, | |
210 | struct ui_file *stream); | |
211 | ||
edf3d5f3 TT |
212 | /* Print a value using syntax appropriate for this language. |
213 | ||
214 | TYPE is the type of the sub-object to be printed. | |
c906108c | 215 | |
edf3d5f3 TT |
216 | CONTENTS holds the bits of the value. This holds the entire |
217 | enclosing object. | |
218 | ||
219 | EMBEDDED_OFFSET is the offset into the outermost object of the | |
220 | sub-object represented by TYPE. This is the object which this | |
221 | call should print. Note that the enclosing type is not | |
222 | available. | |
223 | ||
224 | ADDRESS is the address in the inferior of the enclosing object. | |
225 | ||
226 | STREAM is the stream on which the value is to be printed. | |
227 | ||
228 | RECURSE is the recursion depth. It is zero-based. | |
229 | ||
230 | OPTIONS are the formatting options to be used when | |
231 | printing. */ | |
232 | ||
233 | int (*la_val_print) (struct type *type, | |
234 | const gdb_byte *contents, | |
235 | int embedded_offset, CORE_ADDR address, | |
236 | struct ui_file *stream, int recurse, | |
0e03807e | 237 | const struct value *val, |
edf3d5f3 | 238 | const struct value_print_options *options); |
c906108c | 239 | |
1777feb0 | 240 | /* Print a top-level value using syntax appropriate for this language. */ |
c906108c | 241 | |
d9fcf2fb | 242 | int (*la_value_print) (struct value *, struct ui_file *, |
79a45b7d | 243 | const struct value_print_options *); |
c906108c | 244 | |
f636b87d AF |
245 | /* PC is possibly an unknown languages trampoline. |
246 | If that PC falls in a trampoline belonging to this language, | |
247 | return the address of the first pc in the real function, or 0 | |
248 | if it isn't a language tramp for this language. */ | |
52f729a7 | 249 | CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR); |
f636b87d | 250 | |
5f9a71c3 DC |
251 | /* Now come some hooks for lookup_symbol. */ |
252 | ||
2b2d9e11 VP |
253 | /* If this is non-NULL, specifies the name that of the implicit |
254 | local variable that refers to the current object instance. */ | |
5f9a71c3 | 255 | |
2b2d9e11 | 256 | char *la_name_of_this; |
5f9a71c3 DC |
257 | |
258 | /* This is a function that lookup_symbol will call when it gets to | |
259 | the part of symbol lookup where C looks up static and global | |
260 | variables. */ | |
261 | ||
262 | struct symbol *(*la_lookup_symbol_nonlocal) (const char *, | |
5f9a71c3 | 263 | const struct block *, |
21b556f4 | 264 | const domain_enum); |
5f9a71c3 | 265 | |
b368761e DC |
266 | /* Find the definition of the type with the given name. */ |
267 | struct type *(*la_lookup_transparent_type) (const char *); | |
268 | ||
9a3d7dfd AF |
269 | /* Return demangled language symbol, or NULL. */ |
270 | char *(*la_demangle) (const char *mangled, int options); | |
271 | ||
31c27f77 JJ |
272 | /* Return class name of a mangled method name or NULL. */ |
273 | char *(*la_class_name_from_physname) (const char *physname); | |
274 | ||
1777feb0 | 275 | /* Table for printing expressions. */ |
c906108c | 276 | |
c5aa993b | 277 | const struct op_print *la_op_print_tab; |
c906108c | 278 | |
c5aa993b | 279 | /* Zero if the language has first-class arrays. True if there are no |
1777feb0 | 280 | array values, and array objects decay to pointers, as in C. */ |
c906108c | 281 | |
c5aa993b | 282 | char c_style_arrays; |
c906108c | 283 | |
1777feb0 | 284 | /* Index to use for extracting the first element of a string. */ |
c5aa993b | 285 | char string_lower_bound; |
c906108c | 286 | |
6084f43a JB |
287 | /* The list of characters forming word boundaries. */ |
288 | char *(*la_word_break_characters) (void); | |
289 | ||
41d27058 JB |
290 | /* Should return a NULL terminated array of all symbols which |
291 | are possible completions for TEXT. WORD is the entire command | |
292 | on which the completion is being made. */ | |
293 | char **(*la_make_symbol_completion_list) (char *text, char *word); | |
294 | ||
f290d38e AC |
295 | /* The per-architecture (OS/ABI) language information. */ |
296 | void (*la_language_arch_info) (struct gdbarch *, | |
297 | struct language_arch_info *); | |
298 | ||
e79af960 JB |
299 | /* Print the index of an element of an array. */ |
300 | void (*la_print_array_index) (struct value *index_value, | |
301 | struct ui_file *stream, | |
79a45b7d | 302 | const struct value_print_options *options); |
e79af960 | 303 | |
41f1b697 DJ |
304 | /* Return non-zero if TYPE should be passed (and returned) by |
305 | reference at the language level. */ | |
306 | int (*la_pass_by_reference) (struct type *type); | |
307 | ||
ae6a3a4c | 308 | /* Obtain a string from the inferior, storing it in a newly allocated |
fbb8f299 PM |
309 | buffer in BUFFER, which should be freed by the caller. If the |
310 | in- and out-parameter *LENGTH is specified at -1, the string is | |
311 | read until a null character of the appropriate width is found - | |
312 | otherwise the string is read to the length of characters specified. | |
313 | On completion, *LENGTH will hold the size of the string in characters. | |
314 | If a *LENGTH of -1 was specified it will count only actual | |
315 | characters, excluding any eventual terminating null character. | |
316 | Otherwise *LENGTH will include all characters - including any nulls. | |
317 | CHARSET will hold the encoding used in the string. */ | |
ae6a3a4c | 318 | void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length, |
96c07c5b | 319 | struct type **chartype, const char **charset); |
ae6a3a4c | 320 | |
f8eba3c6 TT |
321 | /* Compare two symbol names according to language rules. For |
322 | instance, in C++, we might want to ignore whitespaces in | |
323 | the symbol name. Or some case-insensitive language might | |
324 | want to ignore casing during the match. | |
325 | ||
326 | Both STR1 and STR2 are expected to be demangled name, except | |
327 | for Ada, where STR1 and STR2 are expected to be encoded names. | |
328 | The latter is because searches are performed using the encoded | |
329 | name in Ada. | |
330 | ||
331 | The return value follows the same spirit as strcmp. */ | |
332 | ||
333 | int (*la_symbol_name_compare) (const char *str1, const char *str2); | |
334 | ||
335 | /* Find all symbols in the current program space matching NAME in | |
336 | DOMAIN, according to this language's rules. | |
337 | ||
338 | The search starts with BLOCK. This function iterates upward | |
339 | through blocks. When the outermost block has been finished, | |
340 | the function returns. | |
341 | ||
342 | For each one, call CALLBACK with the symbol and the DATA | |
343 | argument. If CALLBACK returns zero, the iteration ends at that | |
344 | point. | |
345 | ||
346 | This field can be NULL, meaning that this language doesn't need | |
347 | any special code aside from ordinary searches of the symbol | |
348 | table. */ | |
349 | void (*la_iterate_over_symbols) (const struct block *block, | |
350 | const char *name, | |
351 | domain_enum domain, | |
352 | int (*callback) (struct symbol *, void *), | |
353 | void *data); | |
354 | ||
1777feb0 MS |
355 | /* Add fields above this point, so the magic number is always last. */ |
356 | /* Magic number for compat checking. */ | |
c5aa993b JM |
357 | |
358 | long la_magic; | |
359 | ||
360 | }; | |
c906108c SS |
361 | |
362 | #define LANG_MAGIC 910823L | |
363 | ||
364 | /* Pointer to the language_defn for our current language. This pointer | |
365 | always points to *some* valid struct; it can be used without checking | |
366 | it for validity. | |
367 | ||
368 | The current language affects expression parsing and evaluation | |
369 | (FIXME: it might be cleaner to make the evaluation-related stuff | |
370 | separate exp_opcodes for each different set of semantics. We | |
371 | should at least think this through more clearly with respect to | |
372 | what happens if the language is changed between parsing and | |
373 | evaluation) and printing of things like types and arrays. It does | |
374 | *not* affect symbol-reading-- each source file in a symbol-file has | |
375 | its own language and we should keep track of that regardless of the | |
376 | language when symbols are read. If we want some manual setting for | |
377 | the language of symbol files (e.g. detecting when ".c" files are | |
7e73cedf | 378 | C++), it should be a separate setting from the current_language. */ |
c906108c SS |
379 | |
380 | extern const struct language_defn *current_language; | |
381 | ||
382 | /* Pointer to the language_defn expected by the user, e.g. the language | |
383 | of main(), or the language we last mentioned in a message, or C. */ | |
384 | ||
385 | extern const struct language_defn *expected_language; | |
386 | ||
387 | /* language_mode == | |
388 | language_mode_auto: current_language automatically set upon selection | |
c5aa993b | 389 | of scope (e.g. stack frame) |
c906108c SS |
390 | language_mode_manual: current_language set only by user. */ |
391 | ||
392 | extern enum language_mode | |
c5aa993b JM |
393 | { |
394 | language_mode_auto, language_mode_manual | |
395 | } | |
396 | language_mode; | |
b62f3443 | 397 | |
fbb06eb1 UW |
398 | struct type *language_bool_type (const struct language_defn *l, |
399 | struct gdbarch *gdbarch); | |
400 | ||
b62f3443 JB |
401 | struct type *language_string_char_type (const struct language_defn *l, |
402 | struct gdbarch *gdbarch); | |
403 | ||
404 | struct type *language_lookup_primitive_type_by_name (const struct language_defn *l, | |
405 | struct gdbarch *gdbarch, | |
406 | const char *name); | |
407 | ||
c906108c SS |
408 | \f |
409 | /* These macros define the behaviour of the expression | |
410 | evaluator. */ | |
411 | ||
1777feb0 | 412 | /* Should we strictly type check expressions? */ |
c906108c SS |
413 | #define STRICT_TYPE (type_check != type_check_off) |
414 | ||
1777feb0 | 415 | /* Should we range check values against the domain of their type? */ |
c906108c SS |
416 | #define RANGE_CHECK (range_check != range_check_off) |
417 | ||
1777feb0 MS |
418 | /* "cast" really means conversion. */ |
419 | /* FIXME -- should be a setting in language_defn. */ | |
cc73bb8c TT |
420 | #define CAST_IS_CONVERSION(LANG) ((LANG)->la_language == language_c || \ |
421 | (LANG)->la_language == language_cplus || \ | |
422 | (LANG)->la_language == language_objc) | |
c906108c | 423 | |
a14ed312 | 424 | extern void language_info (int); |
c906108c | 425 | |
a14ed312 | 426 | extern enum language set_language (enum language); |
c906108c | 427 | \f |
c5aa993b | 428 | |
c906108c SS |
429 | /* This page contains functions that return things that are |
430 | specific to languages. Each of these functions is based on | |
431 | the current setting of working_lang, which the user sets | |
1777feb0 | 432 | with the "set language" command. */ |
c906108c | 433 | |
c906108c SS |
434 | #define LA_PRINT_TYPE(type,varstring,stream,show,level) \ |
435 | (current_language->la_print_type(type,varstring,stream,show,level)) | |
436 | ||
5c6ce71d TT |
437 | #define LA_PRINT_TYPEDEF(type,new_symbol,stream) \ |
438 | (current_language->la_print_typedef(type,new_symbol,stream)) | |
439 | ||
0e03807e | 440 | #define LA_VAL_PRINT(type,valaddr,offset,addr,stream,val,recurse,options) \ |
79a45b7d | 441 | (current_language->la_val_print(type,valaddr,offset,addr,stream, \ |
0e03807e | 442 | val,recurse,options)) |
79a45b7d TT |
443 | #define LA_VALUE_PRINT(val,stream,options) \ |
444 | (current_language->la_value_print(val,stream,options)) | |
c906108c | 445 | |
6c7a06a3 TT |
446 | #define LA_PRINT_CHAR(ch, type, stream) \ |
447 | (current_language->la_printchar(ch, type, stream)) | |
3e43a32a | 448 | #define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses, options) \ |
6c7a06a3 | 449 | (current_language->la_printstr(stream, elttype, string, length, \ |
be759fcf | 450 | encoding, force_ellipses,options)) |
6c7a06a3 TT |
451 | #define LA_EMIT_CHAR(ch, type, stream, quoter) \ |
452 | (current_language->la_emitchar(ch, type, stream, quoter)) | |
96c07c5b TT |
453 | #define LA_GET_STRING(value, buffer, length, chartype, encoding) \ |
454 | (current_language->la_get_string(value, buffer, length, chartype, encoding)) | |
c906108c | 455 | |
577ce03a | 456 | #define LA_PRINT_ARRAY_INDEX(index_value, stream, options) \ |
79a45b7d | 457 | (current_language->la_print_array_index(index_value, stream, options)) |
e79af960 | 458 | |
f8eba3c6 TT |
459 | #define LA_ITERATE_OVER_SYMBOLS(BLOCK, NAME, DOMAIN, CALLBACK, DATA) \ |
460 | (current_language->la_iterate_over_symbols (BLOCK, NAME, DOMAIN, CALLBACK, \ | |
461 | DATA)) | |
462 | ||
c906108c SS |
463 | /* Test a character to decide whether it can be printed in literal form |
464 | or needs to be printed in another representation. For example, | |
465 | in C the literal form of the character with octal value 141 is 'a' | |
466 | and the "other representation" is '\141'. The "other representation" | |
1777feb0 | 467 | is program language dependent. */ |
c906108c SS |
468 | |
469 | #define PRINT_LITERAL_FORM(c) \ | |
470 | ((c) >= 0x20 \ | |
471 | && ((c) < 0x7F || (c) >= 0xA0) \ | |
472 | && (!sevenbit_strings || (c) < 0x80)) | |
473 | ||
c906108c SS |
474 | /* Type predicates */ |
475 | ||
a14ed312 | 476 | extern int pointer_type (struct type *); |
c906108c | 477 | |
1777feb0 MS |
478 | /* Checks Binary and Unary operations for semantic type correctness. */ |
479 | /* FIXME: Does not appear to be used. */ | |
c906108c SS |
480 | #define unop_type_check(v,o) binop_type_check((v),NULL,(o)) |
481 | ||
a14ed312 | 482 | extern void binop_type_check (struct value *, struct value *, int); |
c906108c SS |
483 | |
484 | /* Error messages */ | |
485 | ||
a0b31db1 | 486 | extern void type_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2); |
c906108c | 487 | |
a0b31db1 | 488 | extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2); |
c906108c SS |
489 | |
490 | /* Data: Does this value represent "truth" to the current language? */ | |
491 | ||
a14ed312 | 492 | extern int value_true (struct value *); |
c906108c | 493 | |
c906108c SS |
494 | /* Misc: The string representing a particular enum language. */ |
495 | ||
a14ed312 | 496 | extern enum language language_enum (char *str); |
c906108c | 497 | |
a14ed312 | 498 | extern const struct language_defn *language_def (enum language); |
7a292a7a | 499 | |
a14ed312 | 500 | extern char *language_str (enum language); |
c906108c SS |
501 | |
502 | /* Add a language to the set known by GDB (at initialization time). */ | |
503 | ||
a14ed312 | 504 | extern void add_language (const struct language_defn *); |
c906108c | 505 | |
a14ed312 | 506 | extern enum language get_frame_language (void); /* In stack.c */ |
c906108c | 507 | |
1777feb0 | 508 | /* Check for a language-specific trampoline. */ |
f636b87d | 509 | |
52f729a7 | 510 | extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc); |
f636b87d | 511 | |
9a3d7dfd AF |
512 | /* Return demangled language symbol, or NULL. */ |
513 | extern char *language_demangle (const struct language_defn *current_language, | |
514 | const char *mangled, int options); | |
515 | ||
31c27f77 JJ |
516 | /* Return class name from physname, or NULL. */ |
517 | extern char *language_class_name_from_physname (const struct language_defn *, | |
518 | const char *physname); | |
519 | ||
9f0a5303 JB |
520 | /* Splitting strings into words. */ |
521 | extern char *default_word_break_characters (void); | |
522 | ||
e79af960 JB |
523 | /* Print the index of an array element using the C99 syntax. */ |
524 | extern void default_print_array_index (struct value *index_value, | |
525 | struct ui_file *stream, | |
79a45b7d | 526 | const struct value_print_options *options); |
e79af960 | 527 | |
41f1b697 DJ |
528 | /* Return non-zero if TYPE should be passed (and returned) by |
529 | reference at the language level. */ | |
530 | int language_pass_by_reference (struct type *type); | |
531 | ||
532 | /* Return zero; by default, types are passed by value at the language | |
533 | level. The target ABI may pass or return some structs by reference | |
534 | independent of this. */ | |
535 | int default_pass_by_reference (struct type *type); | |
536 | ||
5c6ce71d TT |
537 | /* The default implementation of la_print_typedef. */ |
538 | void default_print_typedef (struct type *type, struct symbol *new_symbol, | |
539 | struct ui_file *stream); | |
540 | ||
ae6a3a4c | 541 | void default_get_string (struct value *value, gdb_byte **buffer, int *length, |
96c07c5b | 542 | struct type **char_type, const char **charset); |
ae6a3a4c TJB |
543 | |
544 | void c_get_string (struct value *value, gdb_byte **buffer, int *length, | |
96c07c5b | 545 | struct type **char_type, const char **charset); |
ae6a3a4c | 546 | |
c5aa993b | 547 | #endif /* defined (LANGUAGE_H) */ |