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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 | 57 | |
63872f9d | 58 | /* case_mode == |
1777feb0 | 59 | case_mode_auto: case_sensitivity set upon selection of scope. |
63872f9d JG |
60 | case_mode_manual: case_sensitivity set only by user. */ |
61 | ||
62 | extern enum case_mode | |
63 | { | |
64 | case_mode_auto, case_mode_manual | |
65 | } | |
66 | case_mode; | |
67 | ||
7ca2d3a3 | 68 | /* array_ordering == |
1777feb0 MS |
69 | array_row_major: Arrays are in row major order. |
70 | array_column_major: Arrays are in column major order. */ | |
7ca2d3a3 DL |
71 | |
72 | extern enum array_ordering | |
73 | { | |
74 | array_row_major, array_column_major | |
75 | } | |
76 | array_ordering; | |
77 | ||
78 | ||
63872f9d | 79 | /* case_sensitivity == |
1777feb0 MS |
80 | case_sensitive_on: Case sensitivity in name matching is used. |
81 | case_sensitive_off: Case sensitivity in name matching is not used. */ | |
63872f9d JG |
82 | |
83 | extern enum case_sensitivity | |
84 | { | |
85 | case_sensitive_on, case_sensitive_off | |
86 | } | |
87 | case_sensitivity; | |
9a044a89 TT |
88 | |
89 | ||
90 | /* macro_expansion == | |
1777feb0 MS |
91 | macro_expansion_no: No macro expansion is available. |
92 | macro_expansion_c: C-like macro expansion is available. */ | |
9a044a89 TT |
93 | |
94 | enum macro_expansion | |
95 | { | |
96 | macro_expansion_no, macro_expansion_c | |
97 | }; | |
98 | ||
c906108c | 99 | \f |
f290d38e AC |
100 | /* Per architecture (OS/ABI) language information. */ |
101 | ||
102 | struct language_arch_info | |
103 | { | |
5a44ea29 | 104 | /* Its primitive types. This is a vector ended by a NULL pointer. |
f290d38e AC |
105 | These types can be specified by name in parsing types in |
106 | expressions, regardless of whether the program being debugged | |
107 | actually defines such a type. */ | |
5a44ea29 | 108 | struct type **primitive_type_vector; |
1777feb0 | 109 | /* Type of elements of strings. */ |
f290d38e | 110 | struct type *string_char_type; |
fbb06eb1 UW |
111 | |
112 | /* Symbol name of type to use as boolean type, if defined. */ | |
113 | const char *bool_type_symbol; | |
114 | /* Otherwise, this is the default boolean builtin type. */ | |
115 | struct type *bool_type_default; | |
f290d38e AC |
116 | }; |
117 | ||
74ccd7f5 JB |
118 | /* A pointer to a function expected to return nonzero if |
119 | SYMBOL_SEARCH_NAME matches the given LOOKUP_NAME. | |
120 | ||
121 | SYMBOL_SEARCH_NAME should be a symbol's "search" name. | |
122 | LOOKUP_NAME should be the name of an entity after it has been | |
123 | transformed for lookup. */ | |
124 | ||
1a119f36 | 125 | typedef int (*symbol_name_cmp_ftype) (const char *symbol_search_name, |
74ccd7f5 JB |
126 | const char *lookup_name); |
127 | ||
c906108c SS |
128 | /* Structure tying together assorted information about a language. */ |
129 | ||
130 | struct language_defn | |
c5aa993b | 131 | { |
1777feb0 | 132 | /* Name of the language. */ |
c906108c | 133 | |
c5aa993b | 134 | char *la_name; |
c906108c | 135 | |
1777feb0 | 136 | /* its symtab language-enum (defs.h). */ |
c906108c | 137 | |
c5aa993b | 138 | enum language la_language; |
c906108c | 139 | |
1777feb0 | 140 | /* Default range checking. */ |
c906108c | 141 | |
c5aa993b | 142 | enum range_check la_range_check; |
c906108c | 143 | |
1777feb0 | 144 | /* Default case sensitivity. */ |
63872f9d JG |
145 | enum case_sensitivity la_case_sensitivity; |
146 | ||
1777feb0 | 147 | /* Multi-dimensional array ordering. */ |
7ca2d3a3 DL |
148 | enum array_ordering la_array_ordering; |
149 | ||
9a044a89 TT |
150 | /* Style of macro expansion, if any, supported by this language. */ |
151 | enum macro_expansion la_macro_expansion; | |
152 | ||
5f9769d1 | 153 | /* Definitions related to expression printing, prefixifying, and |
1777feb0 | 154 | dumping. */ |
5f9769d1 PH |
155 | |
156 | const struct exp_descriptor *la_exp_desc; | |
157 | ||
1777feb0 | 158 | /* Parser function. */ |
c906108c | 159 | |
507f3c78 | 160 | int (*la_parser) (void); |
c906108c | 161 | |
1777feb0 | 162 | /* Parser error function. */ |
c906108c | 163 | |
507f3c78 | 164 | void (*la_error) (char *); |
c906108c | 165 | |
e85c3284 PH |
166 | /* Given an expression *EXPP created by prefixifying the result of |
167 | la_parser, perform any remaining processing necessary to complete | |
168 | its translation. *EXPP may change; la_post_parser is responsible | |
169 | for releasing its previous contents, if necessary. If | |
170 | VOID_CONTEXT_P, then no value is expected from the expression. */ | |
171 | ||
172 | void (*la_post_parser) (struct expression ** expp, int void_context_p); | |
173 | ||
3e43a32a MS |
174 | void (*la_printchar) (int ch, struct type *chtype, |
175 | struct ui_file * stream); | |
c906108c | 176 | |
6c7a06a3 TT |
177 | void (*la_printstr) (struct ui_file * stream, struct type *elttype, |
178 | const gdb_byte *string, unsigned int length, | |
be759fcf | 179 | const char *encoding, int force_ellipses, |
79a45b7d | 180 | const struct value_print_options *); |
c906108c | 181 | |
6c7a06a3 TT |
182 | void (*la_emitchar) (int ch, struct type *chtype, |
183 | struct ui_file * stream, int quoter); | |
c906108c | 184 | |
1777feb0 | 185 | /* Print a type using syntax appropriate for this language. */ |
c906108c | 186 | |
25b524e8 | 187 | void (*la_print_type) (struct type *, const char *, struct ui_file *, int, |
d9fcf2fb | 188 | int); |
c906108c | 189 | |
5c6ce71d TT |
190 | /* Print a typedef using syntax appropriate for this language. |
191 | TYPE is the underlying type. NEW_SYMBOL is the symbol naming | |
192 | the type. STREAM is the output stream on which to print. */ | |
193 | ||
194 | void (*la_print_typedef) (struct type *type, struct symbol *new_symbol, | |
195 | struct ui_file *stream); | |
196 | ||
edf3d5f3 TT |
197 | /* Print a value using syntax appropriate for this language. |
198 | ||
199 | TYPE is the type of the sub-object to be printed. | |
c906108c | 200 | |
edf3d5f3 TT |
201 | CONTENTS holds the bits of the value. This holds the entire |
202 | enclosing object. | |
203 | ||
204 | EMBEDDED_OFFSET is the offset into the outermost object of the | |
205 | sub-object represented by TYPE. This is the object which this | |
206 | call should print. Note that the enclosing type is not | |
207 | available. | |
208 | ||
209 | ADDRESS is the address in the inferior of the enclosing object. | |
210 | ||
211 | STREAM is the stream on which the value is to be printed. | |
212 | ||
213 | RECURSE is the recursion depth. It is zero-based. | |
214 | ||
215 | OPTIONS are the formatting options to be used when | |
216 | printing. */ | |
217 | ||
d3eab38a TT |
218 | void (*la_val_print) (struct type *type, |
219 | const gdb_byte *contents, | |
220 | int embedded_offset, CORE_ADDR address, | |
221 | struct ui_file *stream, int recurse, | |
222 | const struct value *val, | |
223 | const struct value_print_options *options); | |
c906108c | 224 | |
1777feb0 | 225 | /* Print a top-level value using syntax appropriate for this language. */ |
c906108c | 226 | |
8e069a98 TT |
227 | void (*la_value_print) (struct value *, struct ui_file *, |
228 | const struct value_print_options *); | |
c906108c | 229 | |
a5ee536b JB |
230 | /* Given a symbol VAR, and a stack frame id FRAME, read the value |
231 | of the variable an return (pointer to a) struct value containing | |
232 | the value. | |
233 | ||
234 | Throw an error if the variable cannot be found. */ | |
235 | ||
236 | struct value *(*la_read_var_value) (struct symbol *var, | |
237 | struct frame_info *frame); | |
238 | ||
f636b87d AF |
239 | /* PC is possibly an unknown languages trampoline. |
240 | If that PC falls in a trampoline belonging to this language, | |
241 | return the address of the first pc in the real function, or 0 | |
242 | if it isn't a language tramp for this language. */ | |
52f729a7 | 243 | CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR); |
f636b87d | 244 | |
5f9a71c3 DC |
245 | /* Now come some hooks for lookup_symbol. */ |
246 | ||
2b2d9e11 VP |
247 | /* If this is non-NULL, specifies the name that of the implicit |
248 | local variable that refers to the current object instance. */ | |
5f9a71c3 | 249 | |
2b2d9e11 | 250 | char *la_name_of_this; |
5f9a71c3 DC |
251 | |
252 | /* This is a function that lookup_symbol will call when it gets to | |
253 | the part of symbol lookup where C looks up static and global | |
254 | variables. */ | |
255 | ||
256 | struct symbol *(*la_lookup_symbol_nonlocal) (const char *, | |
5f9a71c3 | 257 | const struct block *, |
21b556f4 | 258 | const domain_enum); |
5f9a71c3 | 259 | |
b368761e DC |
260 | /* Find the definition of the type with the given name. */ |
261 | struct type *(*la_lookup_transparent_type) (const char *); | |
262 | ||
9a3d7dfd AF |
263 | /* Return demangled language symbol, or NULL. */ |
264 | char *(*la_demangle) (const char *mangled, int options); | |
265 | ||
31c27f77 JJ |
266 | /* Return class name of a mangled method name or NULL. */ |
267 | char *(*la_class_name_from_physname) (const char *physname); | |
268 | ||
1777feb0 | 269 | /* Table for printing expressions. */ |
c906108c | 270 | |
c5aa993b | 271 | const struct op_print *la_op_print_tab; |
c906108c | 272 | |
c5aa993b | 273 | /* Zero if the language has first-class arrays. True if there are no |
1777feb0 | 274 | array values, and array objects decay to pointers, as in C. */ |
c906108c | 275 | |
c5aa993b | 276 | char c_style_arrays; |
c906108c | 277 | |
1777feb0 | 278 | /* Index to use for extracting the first element of a string. */ |
c5aa993b | 279 | char string_lower_bound; |
c906108c | 280 | |
6084f43a JB |
281 | /* The list of characters forming word boundaries. */ |
282 | char *(*la_word_break_characters) (void); | |
283 | ||
49c4e619 TT |
284 | /* Should return a vector of all symbols which are possible |
285 | completions for TEXT. WORD is the entire command on which the | |
286 | completion is being made. */ | |
287 | VEC (char_ptr) *(*la_make_symbol_completion_list) (char *text, char *word); | |
41d27058 | 288 | |
f290d38e AC |
289 | /* The per-architecture (OS/ABI) language information. */ |
290 | void (*la_language_arch_info) (struct gdbarch *, | |
291 | struct language_arch_info *); | |
292 | ||
e79af960 JB |
293 | /* Print the index of an element of an array. */ |
294 | void (*la_print_array_index) (struct value *index_value, | |
295 | struct ui_file *stream, | |
79a45b7d | 296 | const struct value_print_options *options); |
e79af960 | 297 | |
41f1b697 DJ |
298 | /* Return non-zero if TYPE should be passed (and returned) by |
299 | reference at the language level. */ | |
300 | int (*la_pass_by_reference) (struct type *type); | |
301 | ||
ae6a3a4c | 302 | /* Obtain a string from the inferior, storing it in a newly allocated |
fbb8f299 PM |
303 | buffer in BUFFER, which should be freed by the caller. If the |
304 | in- and out-parameter *LENGTH is specified at -1, the string is | |
305 | read until a null character of the appropriate width is found - | |
306 | otherwise the string is read to the length of characters specified. | |
307 | On completion, *LENGTH will hold the size of the string in characters. | |
308 | If a *LENGTH of -1 was specified it will count only actual | |
309 | characters, excluding any eventual terminating null character. | |
310 | Otherwise *LENGTH will include all characters - including any nulls. | |
311 | CHARSET will hold the encoding used in the string. */ | |
ae6a3a4c | 312 | void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length, |
96c07c5b | 313 | struct type **chartype, const char **charset); |
ae6a3a4c | 314 | |
74ccd7f5 JB |
315 | /* Return a pointer to the function that should be used to match |
316 | a symbol name against LOOKUP_NAME. This is mostly for languages | |
317 | such as Ada where the matching algorithm depends on LOOKUP_NAME. | |
f8eba3c6 | 318 | |
74ccd7f5 JB |
319 | This field may be NULL, in which case strcmp_iw will be used |
320 | to perform the matching. */ | |
1a119f36 | 321 | symbol_name_cmp_ftype (*la_get_symbol_name_cmp) (const char *lookup_name); |
f8eba3c6 TT |
322 | |
323 | /* Find all symbols in the current program space matching NAME in | |
324 | DOMAIN, according to this language's rules. | |
325 | ||
326 | The search starts with BLOCK. This function iterates upward | |
327 | through blocks. When the outermost block has been finished, | |
328 | the function returns. | |
329 | ||
330 | For each one, call CALLBACK with the symbol and the DATA | |
331 | argument. If CALLBACK returns zero, the iteration ends at that | |
332 | point. | |
333 | ||
72e1143f TT |
334 | This field may not be NULL. If the language does not need any |
335 | special processing here, 'iterate_over_symbols' should be | |
336 | used as the definition. */ | |
f8eba3c6 TT |
337 | void (*la_iterate_over_symbols) (const struct block *block, |
338 | const char *name, | |
339 | domain_enum domain, | |
8e704927 | 340 | symbol_found_callback_ftype *callback, |
f8eba3c6 TT |
341 | void *data); |
342 | ||
1777feb0 MS |
343 | /* Add fields above this point, so the magic number is always last. */ |
344 | /* Magic number for compat checking. */ | |
c5aa993b JM |
345 | |
346 | long la_magic; | |
347 | ||
348 | }; | |
c906108c SS |
349 | |
350 | #define LANG_MAGIC 910823L | |
351 | ||
352 | /* Pointer to the language_defn for our current language. This pointer | |
353 | always points to *some* valid struct; it can be used without checking | |
354 | it for validity. | |
355 | ||
356 | The current language affects expression parsing and evaluation | |
357 | (FIXME: it might be cleaner to make the evaluation-related stuff | |
358 | separate exp_opcodes for each different set of semantics. We | |
359 | should at least think this through more clearly with respect to | |
360 | what happens if the language is changed between parsing and | |
361 | evaluation) and printing of things like types and arrays. It does | |
362 | *not* affect symbol-reading-- each source file in a symbol-file has | |
363 | its own language and we should keep track of that regardless of the | |
364 | language when symbols are read. If we want some manual setting for | |
365 | the language of symbol files (e.g. detecting when ".c" files are | |
7e73cedf | 366 | C++), it should be a separate setting from the current_language. */ |
c906108c SS |
367 | |
368 | extern const struct language_defn *current_language; | |
369 | ||
370 | /* Pointer to the language_defn expected by the user, e.g. the language | |
371 | of main(), or the language we last mentioned in a message, or C. */ | |
372 | ||
373 | extern const struct language_defn *expected_language; | |
374 | ||
375 | /* language_mode == | |
376 | language_mode_auto: current_language automatically set upon selection | |
c5aa993b | 377 | of scope (e.g. stack frame) |
c906108c SS |
378 | language_mode_manual: current_language set only by user. */ |
379 | ||
380 | extern enum language_mode | |
c5aa993b JM |
381 | { |
382 | language_mode_auto, language_mode_manual | |
383 | } | |
384 | language_mode; | |
b62f3443 | 385 | |
fbb06eb1 UW |
386 | struct type *language_bool_type (const struct language_defn *l, |
387 | struct gdbarch *gdbarch); | |
388 | ||
b62f3443 JB |
389 | struct type *language_string_char_type (const struct language_defn *l, |
390 | struct gdbarch *gdbarch); | |
391 | ||
392 | struct type *language_lookup_primitive_type_by_name (const struct language_defn *l, | |
393 | struct gdbarch *gdbarch, | |
394 | const char *name); | |
395 | ||
c906108c SS |
396 | \f |
397 | /* These macros define the behaviour of the expression | |
398 | evaluator. */ | |
399 | ||
1777feb0 | 400 | /* Should we range check values against the domain of their type? */ |
c906108c SS |
401 | #define RANGE_CHECK (range_check != range_check_off) |
402 | ||
1777feb0 MS |
403 | /* "cast" really means conversion. */ |
404 | /* FIXME -- should be a setting in language_defn. */ | |
cc73bb8c TT |
405 | #define CAST_IS_CONVERSION(LANG) ((LANG)->la_language == language_c || \ |
406 | (LANG)->la_language == language_cplus || \ | |
407 | (LANG)->la_language == language_objc) | |
c906108c | 408 | |
a14ed312 | 409 | extern void language_info (int); |
c906108c | 410 | |
a14ed312 | 411 | extern enum language set_language (enum language); |
c906108c | 412 | \f |
c5aa993b | 413 | |
c906108c SS |
414 | /* This page contains functions that return things that are |
415 | specific to languages. Each of these functions is based on | |
416 | the current setting of working_lang, which the user sets | |
1777feb0 | 417 | with the "set language" command. */ |
c906108c | 418 | |
c906108c SS |
419 | #define LA_PRINT_TYPE(type,varstring,stream,show,level) \ |
420 | (current_language->la_print_type(type,varstring,stream,show,level)) | |
421 | ||
5c6ce71d TT |
422 | #define LA_PRINT_TYPEDEF(type,new_symbol,stream) \ |
423 | (current_language->la_print_typedef(type,new_symbol,stream)) | |
424 | ||
0e03807e | 425 | #define LA_VAL_PRINT(type,valaddr,offset,addr,stream,val,recurse,options) \ |
79a45b7d | 426 | (current_language->la_val_print(type,valaddr,offset,addr,stream, \ |
0e03807e | 427 | val,recurse,options)) |
79a45b7d TT |
428 | #define LA_VALUE_PRINT(val,stream,options) \ |
429 | (current_language->la_value_print(val,stream,options)) | |
c906108c | 430 | |
6c7a06a3 TT |
431 | #define LA_PRINT_CHAR(ch, type, stream) \ |
432 | (current_language->la_printchar(ch, type, stream)) | |
3e43a32a | 433 | #define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses, options) \ |
6c7a06a3 | 434 | (current_language->la_printstr(stream, elttype, string, length, \ |
be759fcf | 435 | encoding, force_ellipses,options)) |
6c7a06a3 TT |
436 | #define LA_EMIT_CHAR(ch, type, stream, quoter) \ |
437 | (current_language->la_emitchar(ch, type, stream, quoter)) | |
96c07c5b TT |
438 | #define LA_GET_STRING(value, buffer, length, chartype, encoding) \ |
439 | (current_language->la_get_string(value, buffer, length, chartype, encoding)) | |
c906108c | 440 | |
577ce03a | 441 | #define LA_PRINT_ARRAY_INDEX(index_value, stream, options) \ |
79a45b7d | 442 | (current_language->la_print_array_index(index_value, stream, options)) |
e79af960 | 443 | |
f8eba3c6 TT |
444 | #define LA_ITERATE_OVER_SYMBOLS(BLOCK, NAME, DOMAIN, CALLBACK, DATA) \ |
445 | (current_language->la_iterate_over_symbols (BLOCK, NAME, DOMAIN, CALLBACK, \ | |
446 | DATA)) | |
447 | ||
c906108c SS |
448 | /* Test a character to decide whether it can be printed in literal form |
449 | or needs to be printed in another representation. For example, | |
450 | in C the literal form of the character with octal value 141 is 'a' | |
451 | and the "other representation" is '\141'. The "other representation" | |
1777feb0 | 452 | is program language dependent. */ |
c906108c SS |
453 | |
454 | #define PRINT_LITERAL_FORM(c) \ | |
455 | ((c) >= 0x20 \ | |
456 | && ((c) < 0x7F || (c) >= 0xA0) \ | |
457 | && (!sevenbit_strings || (c) < 0x80)) | |
458 | ||
c906108c SS |
459 | /* Type predicates */ |
460 | ||
a14ed312 | 461 | extern int pointer_type (struct type *); |
c906108c | 462 | |
1777feb0 MS |
463 | /* Checks Binary and Unary operations for semantic type correctness. */ |
464 | /* FIXME: Does not appear to be used. */ | |
c906108c SS |
465 | #define unop_type_check(v,o) binop_type_check((v),NULL,(o)) |
466 | ||
a14ed312 | 467 | extern void binop_type_check (struct value *, struct value *, int); |
c906108c SS |
468 | |
469 | /* Error messages */ | |
470 | ||
a0b31db1 | 471 | extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2); |
c906108c SS |
472 | |
473 | /* Data: Does this value represent "truth" to the current language? */ | |
474 | ||
a14ed312 | 475 | extern int value_true (struct value *); |
c906108c | 476 | |
c906108c SS |
477 | /* Misc: The string representing a particular enum language. */ |
478 | ||
a14ed312 | 479 | extern enum language language_enum (char *str); |
c906108c | 480 | |
a14ed312 | 481 | extern const struct language_defn *language_def (enum language); |
7a292a7a | 482 | |
a14ed312 | 483 | extern char *language_str (enum language); |
c906108c SS |
484 | |
485 | /* Add a language to the set known by GDB (at initialization time). */ | |
486 | ||
a14ed312 | 487 | extern void add_language (const struct language_defn *); |
c906108c | 488 | |
a14ed312 | 489 | extern enum language get_frame_language (void); /* In stack.c */ |
c906108c | 490 | |
1777feb0 | 491 | /* Check for a language-specific trampoline. */ |
f636b87d | 492 | |
52f729a7 | 493 | extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc); |
f636b87d | 494 | |
9a3d7dfd AF |
495 | /* Return demangled language symbol, or NULL. */ |
496 | extern char *language_demangle (const struct language_defn *current_language, | |
497 | const char *mangled, int options); | |
498 | ||
31c27f77 JJ |
499 | /* Return class name from physname, or NULL. */ |
500 | extern char *language_class_name_from_physname (const struct language_defn *, | |
501 | const char *physname); | |
502 | ||
9f0a5303 JB |
503 | /* Splitting strings into words. */ |
504 | extern char *default_word_break_characters (void); | |
505 | ||
e79af960 JB |
506 | /* Print the index of an array element using the C99 syntax. */ |
507 | extern void default_print_array_index (struct value *index_value, | |
508 | struct ui_file *stream, | |
79a45b7d | 509 | const struct value_print_options *options); |
e79af960 | 510 | |
41f1b697 DJ |
511 | /* Return non-zero if TYPE should be passed (and returned) by |
512 | reference at the language level. */ | |
513 | int language_pass_by_reference (struct type *type); | |
514 | ||
515 | /* Return zero; by default, types are passed by value at the language | |
516 | level. The target ABI may pass or return some structs by reference | |
517 | independent of this. */ | |
518 | int default_pass_by_reference (struct type *type); | |
519 | ||
5c6ce71d TT |
520 | /* The default implementation of la_print_typedef. */ |
521 | void default_print_typedef (struct type *type, struct symbol *new_symbol, | |
522 | struct ui_file *stream); | |
523 | ||
ae6a3a4c | 524 | void default_get_string (struct value *value, gdb_byte **buffer, int *length, |
96c07c5b | 525 | struct type **char_type, const char **charset); |
ae6a3a4c TJB |
526 | |
527 | void c_get_string (struct value *value, gdb_byte **buffer, int *length, | |
96c07c5b | 528 | struct type **char_type, const char **charset); |
ae6a3a4c | 529 | |
c5aa993b | 530 | #endif /* defined (LANGUAGE_H) */ |