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c906108c | 1 | /* Source-language-related definitions for GDB. |
1bac305b | 2 | |
32d0add0 | 3 | Copyright (C) 1991-2015 Free Software Foundation, Inc. |
1bac305b | 4 | |
c906108c SS |
5 | Contributed by the Department of Computer Science at the State University |
6 | of New York at Buffalo. | |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | #if !defined (LANGUAGE_H) | |
24 | #define LANGUAGE_H 1 | |
25 | ||
671afef6 JB |
26 | #include "symtab.h" |
27 | ||
1777feb0 | 28 | /* Forward decls for prototypes. */ |
c906108c SS |
29 | struct value; |
30 | struct objfile; | |
52f729a7 | 31 | struct frame_info; |
c906108c | 32 | struct expression; |
da3331ec | 33 | struct ui_file; |
79a45b7d | 34 | struct value_print_options; |
79d43c61 | 35 | struct type_print_options; |
a53b64ea | 36 | struct lang_varobj_ops; |
410a0ff2 | 37 | struct parser_state; |
bb2ec1b3 | 38 | struct compile_instance; |
62dfaa9c | 39 | |
1777feb0 | 40 | #define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims. */ |
c906108c SS |
41 | |
42 | /* range_mode == | |
43 | range_mode_auto: range_check set automatically to default of language. | |
44 | range_mode_manual: range_check set manually by user. */ | |
45 | ||
c5aa993b JM |
46 | extern enum range_mode |
47 | { | |
48 | range_mode_auto, range_mode_manual | |
49 | } | |
50 | range_mode; | |
c906108c SS |
51 | |
52 | /* range_check == | |
53 | range_check_on: Ranges are checked in GDB expressions, producing errors. | |
54 | range_check_warn: Ranges are checked, producing warnings. | |
55 | range_check_off: Ranges are not checked in GDB expressions. */ | |
56 | ||
57 | extern enum range_check | |
c5aa993b JM |
58 | { |
59 | range_check_off, range_check_warn, range_check_on | |
60 | } | |
61 | range_check; | |
c906108c | 62 | |
63872f9d | 63 | /* case_mode == |
1777feb0 | 64 | case_mode_auto: case_sensitivity set upon selection of scope. |
63872f9d JG |
65 | case_mode_manual: case_sensitivity set only by user. */ |
66 | ||
67 | extern enum case_mode | |
68 | { | |
69 | case_mode_auto, case_mode_manual | |
70 | } | |
71 | case_mode; | |
72 | ||
7ca2d3a3 | 73 | /* array_ordering == |
1777feb0 MS |
74 | array_row_major: Arrays are in row major order. |
75 | array_column_major: Arrays are in column major order. */ | |
7ca2d3a3 DL |
76 | |
77 | extern enum array_ordering | |
78 | { | |
79 | array_row_major, array_column_major | |
80 | } | |
81 | array_ordering; | |
82 | ||
83 | ||
63872f9d | 84 | /* case_sensitivity == |
1777feb0 MS |
85 | case_sensitive_on: Case sensitivity in name matching is used. |
86 | case_sensitive_off: Case sensitivity in name matching is not used. */ | |
63872f9d JG |
87 | |
88 | extern enum case_sensitivity | |
89 | { | |
90 | case_sensitive_on, case_sensitive_off | |
91 | } | |
92 | case_sensitivity; | |
9a044a89 TT |
93 | |
94 | ||
95 | /* macro_expansion == | |
1777feb0 MS |
96 | macro_expansion_no: No macro expansion is available. |
97 | macro_expansion_c: C-like macro expansion is available. */ | |
9a044a89 TT |
98 | |
99 | enum macro_expansion | |
100 | { | |
101 | macro_expansion_no, macro_expansion_c | |
102 | }; | |
103 | ||
c906108c | 104 | \f |
f290d38e AC |
105 | /* Per architecture (OS/ABI) language information. */ |
106 | ||
107 | struct language_arch_info | |
108 | { | |
5a44ea29 | 109 | /* Its primitive types. This is a vector ended by a NULL pointer. |
f290d38e AC |
110 | These types can be specified by name in parsing types in |
111 | expressions, regardless of whether the program being debugged | |
112 | actually defines such a type. */ | |
5a44ea29 | 113 | struct type **primitive_type_vector; |
1994afbf DE |
114 | |
115 | /* Symbol wrappers around primitive_type_vector, so that the symbol lookup | |
116 | machinery can return them. */ | |
117 | struct symbol **primitive_type_symbols; | |
118 | ||
1777feb0 | 119 | /* Type of elements of strings. */ |
f290d38e | 120 | struct type *string_char_type; |
fbb06eb1 UW |
121 | |
122 | /* Symbol name of type to use as boolean type, if defined. */ | |
123 | const char *bool_type_symbol; | |
124 | /* Otherwise, this is the default boolean builtin type. */ | |
125 | struct type *bool_type_default; | |
f290d38e AC |
126 | }; |
127 | ||
74ccd7f5 JB |
128 | /* A pointer to a function expected to return nonzero if |
129 | SYMBOL_SEARCH_NAME matches the given LOOKUP_NAME. | |
130 | ||
131 | SYMBOL_SEARCH_NAME should be a symbol's "search" name. | |
132 | LOOKUP_NAME should be the name of an entity after it has been | |
133 | transformed for lookup. */ | |
134 | ||
1a119f36 | 135 | typedef int (*symbol_name_cmp_ftype) (const char *symbol_search_name, |
74ccd7f5 JB |
136 | const char *lookup_name); |
137 | ||
c906108c SS |
138 | /* Structure tying together assorted information about a language. */ |
139 | ||
140 | struct language_defn | |
c5aa993b | 141 | { |
1777feb0 | 142 | /* Name of the language. */ |
c906108c | 143 | |
27cd387b | 144 | const char *la_name; |
c906108c | 145 | |
6abde28f YQ |
146 | /* Natural or official name of the language. */ |
147 | ||
148 | const char *la_natural_name; | |
149 | ||
1777feb0 | 150 | /* its symtab language-enum (defs.h). */ |
c906108c | 151 | |
c5aa993b | 152 | enum language la_language; |
c906108c | 153 | |
1777feb0 | 154 | /* Default range checking. */ |
c906108c | 155 | |
c5aa993b | 156 | enum range_check la_range_check; |
c906108c | 157 | |
1777feb0 | 158 | /* Default case sensitivity. */ |
63872f9d JG |
159 | enum case_sensitivity la_case_sensitivity; |
160 | ||
1777feb0 | 161 | /* Multi-dimensional array ordering. */ |
7ca2d3a3 DL |
162 | enum array_ordering la_array_ordering; |
163 | ||
9a044a89 TT |
164 | /* Style of macro expansion, if any, supported by this language. */ |
165 | enum macro_expansion la_macro_expansion; | |
166 | ||
5f9769d1 | 167 | /* Definitions related to expression printing, prefixifying, and |
1777feb0 | 168 | dumping. */ |
5f9769d1 PH |
169 | |
170 | const struct exp_descriptor *la_exp_desc; | |
171 | ||
1777feb0 | 172 | /* Parser function. */ |
c906108c | 173 | |
410a0ff2 | 174 | int (*la_parser) (struct parser_state *); |
c906108c | 175 | |
1777feb0 | 176 | /* Parser error function. */ |
c906108c | 177 | |
507f3c78 | 178 | void (*la_error) (char *); |
c906108c | 179 | |
e85c3284 PH |
180 | /* Given an expression *EXPP created by prefixifying the result of |
181 | la_parser, perform any remaining processing necessary to complete | |
182 | its translation. *EXPP may change; la_post_parser is responsible | |
183 | for releasing its previous contents, if necessary. If | |
184 | VOID_CONTEXT_P, then no value is expected from the expression. */ | |
185 | ||
186 | void (*la_post_parser) (struct expression ** expp, int void_context_p); | |
187 | ||
3e43a32a MS |
188 | void (*la_printchar) (int ch, struct type *chtype, |
189 | struct ui_file * stream); | |
c906108c | 190 | |
6c7a06a3 TT |
191 | void (*la_printstr) (struct ui_file * stream, struct type *elttype, |
192 | const gdb_byte *string, unsigned int length, | |
be759fcf | 193 | const char *encoding, int force_ellipses, |
79a45b7d | 194 | const struct value_print_options *); |
c906108c | 195 | |
6c7a06a3 TT |
196 | void (*la_emitchar) (int ch, struct type *chtype, |
197 | struct ui_file * stream, int quoter); | |
c906108c | 198 | |
1777feb0 | 199 | /* Print a type using syntax appropriate for this language. */ |
c906108c | 200 | |
25b524e8 | 201 | void (*la_print_type) (struct type *, const char *, struct ui_file *, int, |
79d43c61 | 202 | int, const struct type_print_options *); |
c906108c | 203 | |
5c6ce71d TT |
204 | /* Print a typedef using syntax appropriate for this language. |
205 | TYPE is the underlying type. NEW_SYMBOL is the symbol naming | |
206 | the type. STREAM is the output stream on which to print. */ | |
207 | ||
208 | void (*la_print_typedef) (struct type *type, struct symbol *new_symbol, | |
209 | struct ui_file *stream); | |
210 | ||
edf3d5f3 TT |
211 | /* Print a value using syntax appropriate for this language. |
212 | ||
213 | TYPE is the type of the sub-object to be printed. | |
c906108c | 214 | |
edf3d5f3 TT |
215 | CONTENTS holds the bits of the value. This holds the entire |
216 | enclosing object. | |
217 | ||
218 | EMBEDDED_OFFSET is the offset into the outermost object of the | |
219 | sub-object represented by TYPE. This is the object which this | |
220 | call should print. Note that the enclosing type is not | |
221 | available. | |
222 | ||
223 | ADDRESS is the address in the inferior of the enclosing object. | |
224 | ||
225 | STREAM is the stream on which the value is to be printed. | |
226 | ||
227 | RECURSE is the recursion depth. It is zero-based. | |
228 | ||
229 | OPTIONS are the formatting options to be used when | |
230 | printing. */ | |
231 | ||
d3eab38a TT |
232 | void (*la_val_print) (struct type *type, |
233 | const gdb_byte *contents, | |
234 | int embedded_offset, CORE_ADDR address, | |
235 | struct ui_file *stream, int recurse, | |
236 | const struct value *val, | |
237 | const struct value_print_options *options); | |
c906108c | 238 | |
1777feb0 | 239 | /* Print a top-level value using syntax appropriate for this language. */ |
c906108c | 240 | |
8e069a98 TT |
241 | void (*la_value_print) (struct value *, struct ui_file *, |
242 | const struct value_print_options *); | |
c906108c | 243 | |
a5ee536b JB |
244 | /* Given a symbol VAR, and a stack frame id FRAME, read the value |
245 | of the variable an return (pointer to a) struct value containing | |
246 | the value. | |
247 | ||
248 | Throw an error if the variable cannot be found. */ | |
249 | ||
250 | struct value *(*la_read_var_value) (struct symbol *var, | |
251 | struct frame_info *frame); | |
252 | ||
f636b87d AF |
253 | /* PC is possibly an unknown languages trampoline. |
254 | If that PC falls in a trampoline belonging to this language, | |
255 | return the address of the first pc in the real function, or 0 | |
256 | if it isn't a language tramp for this language. */ | |
52f729a7 | 257 | CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR); |
f636b87d | 258 | |
5f9a71c3 DC |
259 | /* Now come some hooks for lookup_symbol. */ |
260 | ||
2b2d9e11 VP |
261 | /* If this is non-NULL, specifies the name that of the implicit |
262 | local variable that refers to the current object instance. */ | |
5f9a71c3 | 263 | |
2b2d9e11 | 264 | char *la_name_of_this; |
5f9a71c3 DC |
265 | |
266 | /* This is a function that lookup_symbol will call when it gets to | |
267 | the part of symbol lookup where C looks up static and global | |
268 | variables. */ | |
269 | ||
f606139a DE |
270 | struct symbol *(*la_lookup_symbol_nonlocal) (const struct language_defn *, |
271 | const char *, | |
5f9a71c3 | 272 | const struct block *, |
21b556f4 | 273 | const domain_enum); |
5f9a71c3 | 274 | |
b368761e DC |
275 | /* Find the definition of the type with the given name. */ |
276 | struct type *(*la_lookup_transparent_type) (const char *); | |
277 | ||
9a3d7dfd AF |
278 | /* Return demangled language symbol, or NULL. */ |
279 | char *(*la_demangle) (const char *mangled, int options); | |
280 | ||
31c27f77 JJ |
281 | /* Return class name of a mangled method name or NULL. */ |
282 | char *(*la_class_name_from_physname) (const char *physname); | |
283 | ||
1777feb0 | 284 | /* Table for printing expressions. */ |
c906108c | 285 | |
c5aa993b | 286 | const struct op_print *la_op_print_tab; |
c906108c | 287 | |
c5aa993b | 288 | /* Zero if the language has first-class arrays. True if there are no |
1777feb0 | 289 | array values, and array objects decay to pointers, as in C. */ |
c906108c | 290 | |
c5aa993b | 291 | char c_style_arrays; |
c906108c | 292 | |
1777feb0 | 293 | /* Index to use for extracting the first element of a string. */ |
c5aa993b | 294 | char string_lower_bound; |
c906108c | 295 | |
6084f43a JB |
296 | /* The list of characters forming word boundaries. */ |
297 | char *(*la_word_break_characters) (void); | |
298 | ||
49c4e619 TT |
299 | /* Should return a vector of all symbols which are possible |
300 | completions for TEXT. WORD is the entire command on which the | |
2f68a895 TT |
301 | completion is being made. If CODE is TYPE_CODE_UNDEF, then all |
302 | symbols should be examined; otherwise, only STRUCT_DOMAIN | |
303 | symbols whose type has a code of CODE should be matched. */ | |
6f937416 PA |
304 | VEC (char_ptr) *(*la_make_symbol_completion_list) (const char *text, |
305 | const char *word, | |
2f68a895 | 306 | enum type_code code); |
41d27058 | 307 | |
f290d38e AC |
308 | /* The per-architecture (OS/ABI) language information. */ |
309 | void (*la_language_arch_info) (struct gdbarch *, | |
310 | struct language_arch_info *); | |
311 | ||
e79af960 JB |
312 | /* Print the index of an element of an array. */ |
313 | void (*la_print_array_index) (struct value *index_value, | |
314 | struct ui_file *stream, | |
79a45b7d | 315 | const struct value_print_options *options); |
e79af960 | 316 | |
41f1b697 DJ |
317 | /* Return non-zero if TYPE should be passed (and returned) by |
318 | reference at the language level. */ | |
319 | int (*la_pass_by_reference) (struct type *type); | |
320 | ||
ae6a3a4c | 321 | /* Obtain a string from the inferior, storing it in a newly allocated |
fbb8f299 PM |
322 | buffer in BUFFER, which should be freed by the caller. If the |
323 | in- and out-parameter *LENGTH is specified at -1, the string is | |
324 | read until a null character of the appropriate width is found - | |
325 | otherwise the string is read to the length of characters specified. | |
326 | On completion, *LENGTH will hold the size of the string in characters. | |
327 | If a *LENGTH of -1 was specified it will count only actual | |
328 | characters, excluding any eventual terminating null character. | |
329 | Otherwise *LENGTH will include all characters - including any nulls. | |
330 | CHARSET will hold the encoding used in the string. */ | |
ae6a3a4c | 331 | void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length, |
96c07c5b | 332 | struct type **chartype, const char **charset); |
ae6a3a4c | 333 | |
74ccd7f5 JB |
334 | /* Return a pointer to the function that should be used to match |
335 | a symbol name against LOOKUP_NAME. This is mostly for languages | |
336 | such as Ada where the matching algorithm depends on LOOKUP_NAME. | |
f8eba3c6 | 337 | |
74ccd7f5 JB |
338 | This field may be NULL, in which case strcmp_iw will be used |
339 | to perform the matching. */ | |
1a119f36 | 340 | symbol_name_cmp_ftype (*la_get_symbol_name_cmp) (const char *lookup_name); |
f8eba3c6 TT |
341 | |
342 | /* Find all symbols in the current program space matching NAME in | |
343 | DOMAIN, according to this language's rules. | |
344 | ||
4eeaa230 DE |
345 | The search is done in BLOCK only. |
346 | The caller is responsible for iterating up through superblocks | |
347 | if desired. | |
f8eba3c6 TT |
348 | |
349 | For each one, call CALLBACK with the symbol and the DATA | |
350 | argument. If CALLBACK returns zero, the iteration ends at that | |
351 | point. | |
352 | ||
72e1143f TT |
353 | This field may not be NULL. If the language does not need any |
354 | special processing here, 'iterate_over_symbols' should be | |
355 | used as the definition. */ | |
f8eba3c6 TT |
356 | void (*la_iterate_over_symbols) (const struct block *block, |
357 | const char *name, | |
358 | domain_enum domain, | |
8e704927 | 359 | symbol_found_callback_ftype *callback, |
f8eba3c6 TT |
360 | void *data); |
361 | ||
a53b64ea YQ |
362 | /* Various operations on varobj. */ |
363 | const struct lang_varobj_ops *la_varobj_ops; | |
364 | ||
bb2ec1b3 TT |
365 | /* If this language allows compilation from the gdb command line, |
366 | this method should be non-NULL. When called it should return | |
367 | an instance of struct gcc_context appropriate to the language. | |
368 | When defined this method must never return NULL; instead it | |
369 | should throw an exception on failure. The returned compiler | |
370 | instance is owned by its caller and must be deallocated by | |
371 | calling its 'destroy' method. */ | |
372 | ||
373 | struct compile_instance *(*la_get_compile_instance) (void); | |
374 | ||
375 | /* This method must be defined if 'la_get_gcc_context' is defined. | |
376 | If 'la_get_gcc_context' is not defined, then this method is | |
377 | ignored. | |
378 | ||
379 | This takes the user-supplied text and returns a newly malloc'd | |
380 | bit of code to compile. The caller owns the result. | |
381 | ||
382 | INST is the compiler instance being used. | |
383 | INPUT is the user's input text. | |
384 | GDBARCH is the architecture to use. | |
385 | EXPR_BLOCK is the block in which the expression is being | |
386 | parsed. | |
387 | EXPR_PC is the PC at which the expression is being parsed. */ | |
388 | ||
389 | char *(*la_compute_program) (struct compile_instance *inst, | |
390 | const char *input, | |
391 | struct gdbarch *gdbarch, | |
392 | const struct block *expr_block, | |
393 | CORE_ADDR expr_pc); | |
394 | ||
1777feb0 MS |
395 | /* Add fields above this point, so the magic number is always last. */ |
396 | /* Magic number for compat checking. */ | |
c5aa993b JM |
397 | |
398 | long la_magic; | |
399 | ||
400 | }; | |
c906108c SS |
401 | |
402 | #define LANG_MAGIC 910823L | |
403 | ||
404 | /* Pointer to the language_defn for our current language. This pointer | |
405 | always points to *some* valid struct; it can be used without checking | |
406 | it for validity. | |
407 | ||
408 | The current language affects expression parsing and evaluation | |
409 | (FIXME: it might be cleaner to make the evaluation-related stuff | |
410 | separate exp_opcodes for each different set of semantics. We | |
411 | should at least think this through more clearly with respect to | |
412 | what happens if the language is changed between parsing and | |
413 | evaluation) and printing of things like types and arrays. It does | |
414 | *not* affect symbol-reading-- each source file in a symbol-file has | |
415 | its own language and we should keep track of that regardless of the | |
416 | language when symbols are read. If we want some manual setting for | |
417 | the language of symbol files (e.g. detecting when ".c" files are | |
7e73cedf | 418 | C++), it should be a separate setting from the current_language. */ |
c906108c SS |
419 | |
420 | extern const struct language_defn *current_language; | |
421 | ||
422 | /* Pointer to the language_defn expected by the user, e.g. the language | |
423 | of main(), or the language we last mentioned in a message, or C. */ | |
424 | ||
425 | extern const struct language_defn *expected_language; | |
426 | ||
427 | /* language_mode == | |
428 | language_mode_auto: current_language automatically set upon selection | |
c5aa993b | 429 | of scope (e.g. stack frame) |
c906108c SS |
430 | language_mode_manual: current_language set only by user. */ |
431 | ||
432 | extern enum language_mode | |
c5aa993b JM |
433 | { |
434 | language_mode_auto, language_mode_manual | |
435 | } | |
436 | language_mode; | |
b62f3443 | 437 | |
fbb06eb1 UW |
438 | struct type *language_bool_type (const struct language_defn *l, |
439 | struct gdbarch *gdbarch); | |
440 | ||
b62f3443 JB |
441 | struct type *language_string_char_type (const struct language_defn *l, |
442 | struct gdbarch *gdbarch); | |
443 | ||
1994afbf DE |
444 | /* Look up type NAME in language L, and return its definition for architecture |
445 | GDBARCH. Returns NULL if not found. */ | |
446 | ||
46b0da17 DE |
447 | struct type *language_lookup_primitive_type (const struct language_defn *l, |
448 | struct gdbarch *gdbarch, | |
449 | const char *name); | |
b62f3443 | 450 | |
1994afbf DE |
451 | /* Wrapper around language_lookup_primitive_type to return the |
452 | corresponding symbol. */ | |
453 | ||
454 | struct symbol * | |
455 | language_lookup_primitive_type_as_symbol (const struct language_defn *l, | |
456 | struct gdbarch *gdbarch, | |
457 | const char *name); | |
458 | ||
c906108c SS |
459 | \f |
460 | /* These macros define the behaviour of the expression | |
461 | evaluator. */ | |
462 | ||
1777feb0 | 463 | /* Should we range check values against the domain of their type? */ |
c906108c SS |
464 | #define RANGE_CHECK (range_check != range_check_off) |
465 | ||
1777feb0 MS |
466 | /* "cast" really means conversion. */ |
467 | /* FIXME -- should be a setting in language_defn. */ | |
cc73bb8c TT |
468 | #define CAST_IS_CONVERSION(LANG) ((LANG)->la_language == language_c || \ |
469 | (LANG)->la_language == language_cplus || \ | |
470 | (LANG)->la_language == language_objc) | |
c906108c | 471 | |
a14ed312 | 472 | extern void language_info (int); |
c906108c | 473 | |
a14ed312 | 474 | extern enum language set_language (enum language); |
c906108c | 475 | \f |
c5aa993b | 476 | |
c906108c SS |
477 | /* This page contains functions that return things that are |
478 | specific to languages. Each of these functions is based on | |
479 | the current setting of working_lang, which the user sets | |
1777feb0 | 480 | with the "set language" command. */ |
c906108c | 481 | |
79d43c61 TT |
482 | #define LA_PRINT_TYPE(type,varstring,stream,show,level,flags) \ |
483 | (current_language->la_print_type(type,varstring,stream,show,level,flags)) | |
c906108c | 484 | |
5c6ce71d TT |
485 | #define LA_PRINT_TYPEDEF(type,new_symbol,stream) \ |
486 | (current_language->la_print_typedef(type,new_symbol,stream)) | |
487 | ||
0e03807e | 488 | #define LA_VAL_PRINT(type,valaddr,offset,addr,stream,val,recurse,options) \ |
79a45b7d | 489 | (current_language->la_val_print(type,valaddr,offset,addr,stream, \ |
0e03807e | 490 | val,recurse,options)) |
79a45b7d TT |
491 | #define LA_VALUE_PRINT(val,stream,options) \ |
492 | (current_language->la_value_print(val,stream,options)) | |
c906108c | 493 | |
6c7a06a3 TT |
494 | #define LA_PRINT_CHAR(ch, type, stream) \ |
495 | (current_language->la_printchar(ch, type, stream)) | |
3e43a32a | 496 | #define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses, options) \ |
6c7a06a3 | 497 | (current_language->la_printstr(stream, elttype, string, length, \ |
be759fcf | 498 | encoding, force_ellipses,options)) |
6c7a06a3 TT |
499 | #define LA_EMIT_CHAR(ch, type, stream, quoter) \ |
500 | (current_language->la_emitchar(ch, type, stream, quoter)) | |
96c07c5b TT |
501 | #define LA_GET_STRING(value, buffer, length, chartype, encoding) \ |
502 | (current_language->la_get_string(value, buffer, length, chartype, encoding)) | |
c906108c | 503 | |
577ce03a | 504 | #define LA_PRINT_ARRAY_INDEX(index_value, stream, options) \ |
79a45b7d | 505 | (current_language->la_print_array_index(index_value, stream, options)) |
e79af960 | 506 | |
f8eba3c6 TT |
507 | #define LA_ITERATE_OVER_SYMBOLS(BLOCK, NAME, DOMAIN, CALLBACK, DATA) \ |
508 | (current_language->la_iterate_over_symbols (BLOCK, NAME, DOMAIN, CALLBACK, \ | |
509 | DATA)) | |
510 | ||
c906108c SS |
511 | /* Test a character to decide whether it can be printed in literal form |
512 | or needs to be printed in another representation. For example, | |
513 | in C the literal form of the character with octal value 141 is 'a' | |
514 | and the "other representation" is '\141'. The "other representation" | |
1777feb0 | 515 | is program language dependent. */ |
c906108c SS |
516 | |
517 | #define PRINT_LITERAL_FORM(c) \ | |
518 | ((c) >= 0x20 \ | |
519 | && ((c) < 0x7F || (c) >= 0xA0) \ | |
520 | && (!sevenbit_strings || (c) < 0x80)) | |
521 | ||
c906108c SS |
522 | /* Type predicates */ |
523 | ||
a14ed312 | 524 | extern int pointer_type (struct type *); |
c906108c | 525 | |
c906108c SS |
526 | /* Error messages */ |
527 | ||
a0b31db1 | 528 | extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2); |
c906108c SS |
529 | |
530 | /* Data: Does this value represent "truth" to the current language? */ | |
531 | ||
a14ed312 | 532 | extern int value_true (struct value *); |
c906108c | 533 | |
c906108c SS |
534 | /* Misc: The string representing a particular enum language. */ |
535 | ||
a14ed312 | 536 | extern enum language language_enum (char *str); |
c906108c | 537 | |
a14ed312 | 538 | extern const struct language_defn *language_def (enum language); |
7a292a7a | 539 | |
27cd387b | 540 | extern const char *language_str (enum language); |
c906108c SS |
541 | |
542 | /* Add a language to the set known by GDB (at initialization time). */ | |
543 | ||
a14ed312 | 544 | extern void add_language (const struct language_defn *); |
c906108c | 545 | |
a14ed312 | 546 | extern enum language get_frame_language (void); /* In stack.c */ |
c906108c | 547 | |
1777feb0 | 548 | /* Check for a language-specific trampoline. */ |
f636b87d | 549 | |
52f729a7 | 550 | extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc); |
f636b87d | 551 | |
9a3d7dfd AF |
552 | /* Return demangled language symbol, or NULL. */ |
553 | extern char *language_demangle (const struct language_defn *current_language, | |
554 | const char *mangled, int options); | |
555 | ||
31c27f77 JJ |
556 | /* Return class name from physname, or NULL. */ |
557 | extern char *language_class_name_from_physname (const struct language_defn *, | |
558 | const char *physname); | |
559 | ||
9f0a5303 JB |
560 | /* Splitting strings into words. */ |
561 | extern char *default_word_break_characters (void); | |
562 | ||
e79af960 JB |
563 | /* Print the index of an array element using the C99 syntax. */ |
564 | extern void default_print_array_index (struct value *index_value, | |
565 | struct ui_file *stream, | |
79a45b7d | 566 | const struct value_print_options *options); |
e79af960 | 567 | |
41f1b697 DJ |
568 | /* Return non-zero if TYPE should be passed (and returned) by |
569 | reference at the language level. */ | |
570 | int language_pass_by_reference (struct type *type); | |
571 | ||
572 | /* Return zero; by default, types are passed by value at the language | |
573 | level. The target ABI may pass or return some structs by reference | |
574 | independent of this. */ | |
575 | int default_pass_by_reference (struct type *type); | |
576 | ||
5c6ce71d TT |
577 | /* The default implementation of la_print_typedef. */ |
578 | void default_print_typedef (struct type *type, struct symbol *new_symbol, | |
579 | struct ui_file *stream); | |
580 | ||
ae6a3a4c | 581 | void default_get_string (struct value *value, gdb_byte **buffer, int *length, |
96c07c5b | 582 | struct type **char_type, const char **charset); |
ae6a3a4c TJB |
583 | |
584 | void c_get_string (struct value *value, gdb_byte **buffer, int *length, | |
96c07c5b | 585 | struct type **char_type, const char **charset); |
ae6a3a4c | 586 | |
c5aa993b | 587 | #endif /* defined (LANGUAGE_H) */ |