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69dcadff | 1 | /* Default language-specific hooks. |
d9221e01 | 2 | Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
69dcadff AO |
3 | Contributed by Alexandre Oliva <aoliva@redhat.com> |
4 | ||
54a7b573 | 5 | This file is part of GCC. |
69dcadff | 6 | |
54a7b573 | 7 | GCC is free software; you can redistribute it and/or modify |
69dcadff AO |
8 | it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
54a7b573 | 12 | GCC is distributed in the hope that it will be useful, |
69dcadff AO |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
54a7b573 | 18 | along with GCC; see the file COPYING. If not, write to |
69dcadff AO |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "config.h" | |
23 | #include "system.h" | |
4977bab6 ZW |
24 | #include "coretypes.h" |
25 | #include "tm.h" | |
69dcadff AO |
26 | #include "toplev.h" |
27 | #include "tree.h" | |
28 | #include "tree-inline.h" | |
eadf906f | 29 | #include "tree-gimple.h" |
1affb409 JJ |
30 | #include "rtl.h" |
31 | #include "insn-config.h" | |
32 | #include "integrate.h" | |
29ac78d5 | 33 | #include "flags.h" |
59bee412 | 34 | #include "langhooks.h" |
d23c55c2 | 35 | #include "langhooks-def.h" |
26e0dcb3 | 36 | #include "ggc.h" |
dba65e79 | 37 | #include "diagnostic.h" |
59bee412 | 38 | |
77b1a921 | 39 | /* Do nothing; in many cases the default hook. */ |
8ac61af7 | 40 | |
77b1a921 | 41 | void |
0c20a65f | 42 | lhd_do_nothing (void) |
77b1a921 NB |
43 | { |
44 | } | |
45 | ||
b03e38e1 | 46 | /* Do nothing (tree). */ |
63e1b1c4 NB |
47 | |
48 | void | |
0c20a65f | 49 | lhd_do_nothing_t (tree t ATTRIBUTE_UNUSED) |
63e1b1c4 NB |
50 | { |
51 | } | |
52 | ||
ff45c01e NB |
53 | /* Do nothing (int). */ |
54 | ||
55 | void | |
0c20a65f | 56 | lhd_do_nothing_i (int i ATTRIBUTE_UNUSED) |
ff45c01e NB |
57 | { |
58 | } | |
59 | ||
a7e8c268 MM |
60 | /* Do nothing (int, int, int). Return NULL_TREE. */ |
61 | ||
62 | tree | |
63 | lhd_do_nothing_iii_return_null_tree (int i ATTRIBUTE_UNUSED, | |
64 | int j ATTRIBUTE_UNUSED, | |
65 | int k ATTRIBUTE_UNUSED) | |
66 | { | |
67 | return NULL_TREE; | |
68 | } | |
69 | ||
b03e38e1 NB |
70 | /* Do nothing (function). */ |
71 | ||
72 | void | |
0c20a65f | 73 | lhd_do_nothing_f (struct function *f ATTRIBUTE_UNUSED) |
b03e38e1 NB |
74 | { |
75 | } | |
76 | ||
ac79cd5a RK |
77 | /* Do nothing (return the tree node passed). */ |
78 | ||
79 | tree | |
0c20a65f | 80 | lhd_return_tree (tree t) |
ac79cd5a RK |
81 | { |
82 | return t; | |
83 | } | |
84 | ||
c88770e9 NB |
85 | /* Do nothing (return NULL_TREE). */ |
86 | ||
47aa0df4 MM |
87 | tree |
88 | lhd_return_null_tree_v (void) | |
89 | { | |
90 | return NULL_TREE; | |
91 | } | |
92 | ||
93 | /* Do nothing (return NULL_TREE). */ | |
94 | ||
c88770e9 | 95 | tree |
0c20a65f | 96 | lhd_return_null_tree (tree t ATTRIBUTE_UNUSED) |
c88770e9 NB |
97 | { |
98 | return NULL_TREE; | |
99 | } | |
100 | ||
4bfec483 NB |
101 | /* The default post options hook. */ |
102 | ||
103 | bool | |
0c20a65f | 104 | lhd_post_options (const char **pfilename ATTRIBUTE_UNUSED) |
4bfec483 NB |
105 | { |
106 | return false; | |
107 | } | |
108 | ||
5d69f816 NB |
109 | /* Called from by print-tree.c. */ |
110 | ||
111 | void | |
0c20a65f AJ |
112 | lhd_print_tree_nothing (FILE *file ATTRIBUTE_UNUSED, |
113 | tree node ATTRIBUTE_UNUSED, | |
114 | int indent ATTRIBUTE_UNUSED) | |
5d69f816 | 115 | { |
ac79cd5a RK |
116 | } |
117 | ||
118 | /* Called from safe_from_p. */ | |
119 | ||
120 | int | |
0c20a65f | 121 | lhd_safe_from_p (rtx x ATTRIBUTE_UNUSED, tree exp ATTRIBUTE_UNUSED) |
ac79cd5a RK |
122 | { |
123 | return 1; | |
d062a680 JM |
124 | } |
125 | ||
48a7a235 NB |
126 | /* Called from unsafe_for_reeval. */ |
127 | ||
128 | int | |
0c20a65f | 129 | lhd_unsafe_for_reeval (tree t ATTRIBUTE_UNUSED) |
48a7a235 NB |
130 | { |
131 | return -1; | |
132 | } | |
133 | ||
d062a680 JM |
134 | /* Called from staticp. */ |
135 | ||
136 | int | |
0c20a65f | 137 | lhd_staticp (tree exp ATTRIBUTE_UNUSED) |
d062a680 JM |
138 | { |
139 | return 0; | |
5d69f816 NB |
140 | } |
141 | ||
ef4f94ac RH |
142 | /* Called from check_global_declarations. */ |
143 | ||
144 | bool | |
0c20a65f | 145 | lhd_warn_unused_global_decl (tree decl) |
ef4f94ac RH |
146 | { |
147 | /* This is what used to exist in check_global_declarations. Probably | |
148 | not many of these actually apply to non-C languages. */ | |
149 | ||
150 | if (TREE_CODE (decl) == FUNCTION_DECL && DECL_INLINE (decl)) | |
151 | return false; | |
152 | if (TREE_CODE (decl) == VAR_DECL && TREE_READONLY (decl)) | |
153 | return false; | |
154 | if (DECL_IN_SYSTEM_HEADER (decl)) | |
155 | return false; | |
156 | ||
157 | return true; | |
158 | } | |
159 | ||
599bba86 NB |
160 | /* Set the DECL_ASSEMBLER_NAME for DECL. */ |
161 | void | |
0c20a65f | 162 | lhd_set_decl_assembler_name (tree decl) |
599bba86 NB |
163 | { |
164 | /* The language-independent code should never use the | |
165 | DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and | |
166 | VAR_DECLs for variables with static storage duration need a real | |
167 | DECL_ASSEMBLER_NAME. */ | |
168 | if (TREE_CODE (decl) == FUNCTION_DECL | |
e11e816e KH |
169 | || (TREE_CODE (decl) == VAR_DECL |
170 | && (TREE_STATIC (decl) | |
171 | || DECL_EXTERNAL (decl) | |
599bba86 | 172 | || TREE_PUBLIC (decl)))) |
26e0dcb3 GK |
173 | { |
174 | /* By default, assume the name to use in assembly code is the | |
175 | same as that used in the source language. (That's correct | |
176 | for C, and GCC used to set DECL_ASSEMBLER_NAME to the same | |
177 | value as DECL_NAME in build_decl, so this choice provides | |
178 | backwards compatibility with existing front-ends. | |
179 | ||
180 | Can't use just the variable's own name for a variable whose | |
181 | scope is less than the whole compilation. Concatenate a | |
5b02f0e0 ZW |
182 | distinguishing number - we use the DECL_UID. */ |
183 | if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE) | |
6de66680 ZW |
184 | SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl)); |
185 | else | |
26e0dcb3 GK |
186 | { |
187 | const char *name = IDENTIFIER_POINTER (DECL_NAME (decl)); | |
188 | char *label; | |
6de66680 | 189 | |
5b02f0e0 | 190 | ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl)); |
26e0dcb3 GK |
191 | SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label)); |
192 | } | |
26e0dcb3 | 193 | } |
599bba86 NB |
194 | else |
195 | /* Nobody should ever be asking for the DECL_ASSEMBLER_NAME of | |
196 | these DECLs -- unless they're in language-dependent code, in | |
197 | which case set_decl_assembler_name hook should handle things. */ | |
198 | abort (); | |
199 | } | |
200 | ||
57ce46bb TT |
201 | /* By default we always allow bit-field based optimizations. */ |
202 | bool | |
0c20a65f | 203 | lhd_can_use_bit_fields_p (void) |
57ce46bb TT |
204 | { |
205 | return true; | |
206 | } | |
207 | ||
37207ee7 ZW |
208 | /* Provide a default routine to clear the binding stack. This is used |
209 | by languages that don't need to do anything special. */ | |
210 | void | |
0c20a65f | 211 | lhd_clear_binding_stack (void) |
37207ee7 | 212 | { |
ae2bcd98 | 213 | while (! lang_hooks.decls.global_bindings_p ()) |
f75fbaf7 | 214 | lang_hooks.decls.poplevel (0, 0, 0); |
37207ee7 ZW |
215 | } |
216 | ||
ab393bf1 NB |
217 | /* Type promotion for variable arguments. */ |
218 | tree | |
0c20a65f | 219 | lhd_type_promotes_to (tree type ATTRIBUTE_UNUSED) |
ab393bf1 NB |
220 | { |
221 | abort (); | |
222 | } | |
223 | ||
9649812a MM |
224 | /* Registration of machine- or os-specific builtin types. */ |
225 | void | |
226 | lhd_register_builtin_type (tree type ATTRIBUTE_UNUSED, | |
227 | const char* name ATTRIBUTE_UNUSED) | |
228 | { | |
229 | } | |
230 | ||
7a228918 NB |
231 | /* Invalid use of an incomplete type. */ |
232 | void | |
0c20a65f | 233 | lhd_incomplete_type_error (tree value ATTRIBUTE_UNUSED, tree type) |
7a228918 NB |
234 | { |
235 | if (TREE_CODE (type) == ERROR_MARK) | |
236 | return; | |
237 | ||
238 | abort (); | |
239 | } | |
240 | ||
37207ee7 ZW |
241 | /* Provide a default routine for alias sets that always returns -1. This |
242 | is used by languages that don't need to do anything special. */ | |
243 | ||
244 | HOST_WIDE_INT | |
0c20a65f | 245 | lhd_get_alias_set (tree t ATTRIBUTE_UNUSED) |
37207ee7 ZW |
246 | { |
247 | return -1; | |
248 | } | |
249 | ||
8ac61af7 RK |
250 | /* Provide a hook routine for alias sets that always returns 0. This is |
251 | used by languages that haven't deal with alias sets yet. */ | |
252 | ||
253 | HOST_WIDE_INT | |
0c20a65f | 254 | hook_get_alias_set_0 (tree t ATTRIBUTE_UNUSED) |
8ac61af7 RK |
255 | { |
256 | return 0; | |
257 | } | |
258 | ||
c9d892a8 NB |
259 | /* This is the default expand_expr function. */ |
260 | ||
261 | rtx | |
0c20a65f AJ |
262 | lhd_expand_expr (tree t ATTRIBUTE_UNUSED, rtx r ATTRIBUTE_UNUSED, |
263 | enum machine_mode mm ATTRIBUTE_UNUSED, | |
0fab64a3 MM |
264 | int em ATTRIBUTE_UNUSED, |
265 | rtx *a ATTRIBUTE_UNUSED) | |
c9d892a8 NB |
266 | { |
267 | abort (); | |
268 | } | |
269 | ||
c2484a8b | 270 | /* The default language-specific function for expanding a decl. After |
6de9cd9a DN |
271 | the language-independent cases are handled, this function will be |
272 | called. If this function is not defined, it is assumed that | |
273 | declarations other than those for variables and labels do not require | |
274 | any RTL generation. */ | |
275 | ||
276 | int | |
277 | lhd_expand_decl (tree t ATTRIBUTE_UNUSED) | |
278 | { | |
279 | return 0; | |
280 | } | |
281 | ||
7afff7cf NB |
282 | /* This is the default decl_printable_name function. */ |
283 | ||
284 | const char * | |
0c20a65f | 285 | lhd_decl_printable_name (tree decl, int verbosity ATTRIBUTE_UNUSED) |
7afff7cf NB |
286 | { |
287 | return IDENTIFIER_POINTER (DECL_NAME (decl)); | |
288 | } | |
289 | ||
6de9cd9a DN |
290 | /* This compares two types for equivalence ("compatible" in C-based languages). |
291 | This routine should only return 1 if it is sure. It should not be used | |
292 | in contexts where erroneously returning 0 causes problems. */ | |
293 | ||
294 | int | |
295 | lhd_types_compatible_p (tree x, tree y) | |
296 | { | |
297 | return TYPE_MAIN_VARIANT (x) == TYPE_MAIN_VARIANT (y); | |
298 | } | |
299 | ||
69dcadff AO |
300 | /* lang_hooks.tree_inlining.walk_subtrees is called by walk_tree() |
301 | after handling common cases, but before walking code-specific | |
302 | sub-trees. If this hook is overridden for a language, it should | |
303 | handle language-specific tree codes, as well as language-specific | |
304 | information associated to common tree codes. If a tree node is | |
305 | completely handled within this function, it should set *SUBTREES to | |
306 | 0, so that generic handling isn't attempted. For language-specific | |
307 | tree codes, generic handling would abort(), so make sure it is set | |
cc2902df | 308 | properly. Both SUBTREES and *SUBTREES is guaranteed to be nonzero |
69dcadff AO |
309 | when the function is called. */ |
310 | ||
311 | tree | |
0c20a65f AJ |
312 | lhd_tree_inlining_walk_subtrees (tree *tp ATTRIBUTE_UNUSED, |
313 | int *subtrees ATTRIBUTE_UNUSED, | |
314 | walk_tree_fn func ATTRIBUTE_UNUSED, | |
315 | void *data ATTRIBUTE_UNUSED, | |
316 | void *htab ATTRIBUTE_UNUSED) | |
69dcadff AO |
317 | { |
318 | return NULL_TREE; | |
319 | } | |
320 | ||
321 | /* lang_hooks.tree_inlining.cannot_inline_tree_fn is called to | |
322 | determine whether there are language-specific reasons for not | |
323 | inlining a given function. */ | |
324 | ||
325 | int | |
0c20a65f | 326 | lhd_tree_inlining_cannot_inline_tree_fn (tree *fnp) |
69dcadff | 327 | { |
2cb921f4 | 328 | if (flag_really_no_inline |
6aa77e6c AH |
329 | && lookup_attribute ("always_inline", DECL_ATTRIBUTES (*fnp)) == NULL) |
330 | return 1; | |
331 | ||
69dcadff AO |
332 | return 0; |
333 | } | |
334 | ||
335 | /* lang_hooks.tree_inlining.disregard_inline_limits is called to | |
336 | determine whether a function should be considered for inlining even | |
337 | if it would exceed inlining limits. */ | |
338 | ||
339 | int | |
0c20a65f | 340 | lhd_tree_inlining_disregard_inline_limits (tree fn) |
69dcadff | 341 | { |
6aa77e6c AH |
342 | if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) != NULL) |
343 | return 1; | |
344 | ||
69dcadff AO |
345 | return 0; |
346 | } | |
347 | ||
348 | /* lang_hooks.tree_inlining.add_pending_fn_decls is called before | |
349 | starting to inline a function, to push any language-specific | |
350 | functions that should not be inlined into the current function, | |
351 | into VAFNP. PFN is the top of varray, and should be returned if no | |
352 | functions are pushed into VAFNP. The top of the varray should be | |
353 | returned. */ | |
354 | ||
355 | tree | |
0c20a65f | 356 | lhd_tree_inlining_add_pending_fn_decls (void *vafnp ATTRIBUTE_UNUSED, tree pfn) |
69dcadff AO |
357 | { |
358 | return pfn; | |
359 | } | |
360 | ||
69dcadff AO |
361 | /* lang_hooks.tree_inlining.auto_var_in_fn_p is called to determine |
362 | whether VT is an automatic variable defined in function FT. */ | |
363 | ||
364 | int | |
0c20a65f | 365 | lhd_tree_inlining_auto_var_in_fn_p (tree var, tree fn) |
69dcadff AO |
366 | { |
367 | return (DECL_P (var) && DECL_CONTEXT (var) == fn | |
368 | && (((TREE_CODE (var) == VAR_DECL || TREE_CODE (var) == PARM_DECL) | |
369 | && ! TREE_STATIC (var)) | |
370 | || TREE_CODE (var) == LABEL_DECL | |
371 | || TREE_CODE (var) == RESULT_DECL)); | |
372 | } | |
373 | ||
374 | /* lang_hooks.tree_inlining.copy_res_decl_for_inlining should return a | |
375 | declaration for the result RES of function FN to be inlined into | |
376 | CALLER. NDP points to an integer that should be set in case a new | |
377 | declaration wasn't created (presumably because RES was of aggregate | |
378 | type, such that a TARGET_EXPR is used for the result). TEXPS is a | |
379 | pointer to a varray with the stack of TARGET_EXPRs seen while | |
380 | inlining functions into caller; the top of TEXPS is supposed to | |
381 | match RES. */ | |
382 | ||
383 | tree | |
0c20a65f AJ |
384 | lhd_tree_inlining_copy_res_decl_for_inlining (tree res, tree fn, tree caller, |
385 | void *dm ATTRIBUTE_UNUSED, | |
386 | int *ndp ATTRIBUTE_UNUSED, | |
387 | tree return_slot_addr ATTRIBUTE_UNUSED) | |
69dcadff | 388 | { |
4977bab6 ZW |
389 | if (return_slot_addr) |
390 | return build1 (INDIRECT_REF, TREE_TYPE (TREE_TYPE (return_slot_addr)), | |
391 | return_slot_addr); | |
392 | else | |
393 | return copy_decl_for_inlining (res, fn, caller); | |
69dcadff AO |
394 | } |
395 | ||
396 | /* lang_hooks.tree_inlining.anon_aggr_type_p determines whether T is a | |
397 | type node representing an anonymous aggregate (union, struct, etc), | |
398 | i.e., one whose members are in the same scope as the union itself. */ | |
399 | ||
400 | int | |
0c20a65f | 401 | lhd_tree_inlining_anon_aggr_type_p (tree t ATTRIBUTE_UNUSED) |
69dcadff AO |
402 | { |
403 | return 0; | |
404 | } | |
405 | ||
742a37d5 JM |
406 | /* lang_hooks.tree_inlining.start_inlining and end_inlining perform any |
407 | language-specific bookkeeping necessary for processing | |
cc2902df | 408 | FN. start_inlining returns nonzero if inlining should proceed, zero if |
742a37d5 JM |
409 | not. |
410 | ||
411 | For instance, the C++ version keeps track of template instantiations to | |
412 | avoid infinite recursion. */ | |
413 | ||
414 | int | |
0c20a65f | 415 | lhd_tree_inlining_start_inlining (tree fn ATTRIBUTE_UNUSED) |
742a37d5 JM |
416 | { |
417 | return 1; | |
418 | } | |
419 | ||
420 | void | |
0c20a65f | 421 | lhd_tree_inlining_end_inlining (tree fn ATTRIBUTE_UNUSED) |
742a37d5 JM |
422 | { |
423 | } | |
424 | ||
f735a153 JJ |
425 | /* lang_hooks.tree_inlining.convert_parm_for_inlining performs any |
426 | language-specific conversion before assigning VALUE to PARM. */ | |
427 | ||
428 | tree | |
0c20a65f AJ |
429 | lhd_tree_inlining_convert_parm_for_inlining (tree parm ATTRIBUTE_UNUSED, |
430 | tree value, | |
d5123bae MS |
431 | tree fndecl ATTRIBUTE_UNUSED, |
432 | int argnum ATTRIBUTE_UNUSED) | |
f735a153 JJ |
433 | { |
434 | return value; | |
435 | } | |
436 | ||
e11e816e | 437 | /* lang_hooks.tree_dump.dump_tree: Dump language-specific parts of tree |
cc2902df | 438 | nodes. Returns nonzero if it does not want the usual dumping of the |
89d684bb BM |
439 | second argument. */ |
440 | ||
2bd3ecad | 441 | bool |
0c20a65f | 442 | lhd_tree_dump_dump_tree (void *di ATTRIBUTE_UNUSED, tree t ATTRIBUTE_UNUSED) |
89d684bb | 443 | { |
2bd3ecad | 444 | return false; |
89d684bb BM |
445 | } |
446 | ||
e11e816e | 447 | /* lang_hooks.tree_dump.type_qual: Determine type qualifiers in a |
89d684bb BM |
448 | language-specific way. */ |
449 | ||
450 | int | |
0c20a65f | 451 | lhd_tree_dump_type_quals (tree t) |
89d684bb BM |
452 | { |
453 | return TYPE_QUALS (t); | |
454 | } | |
a77a9a18 JM |
455 | |
456 | /* lang_hooks.expr_size: Determine the size of the value of an expression T | |
457 | in a language-specific way. Returns a tree for the size in bytes. */ | |
458 | ||
459 | tree | |
0c20a65f | 460 | lhd_expr_size (tree exp) |
a77a9a18 JM |
461 | { |
462 | if (TREE_CODE_CLASS (TREE_CODE (exp)) == 'd' | |
463 | && DECL_SIZE_UNIT (exp) != 0) | |
464 | return DECL_SIZE_UNIT (exp); | |
465 | else | |
466 | return size_in_bytes (TREE_TYPE (exp)); | |
467 | } | |
16b0d23f | 468 | |
6de9cd9a DN |
469 | /* lang_hooks.gimplify_expr re-writes *EXPR_P into GIMPLE form. */ |
470 | ||
471 | int | |
472 | lhd_gimplify_expr (tree *expr_p ATTRIBUTE_UNUSED, tree *pre_p ATTRIBUTE_UNUSED, | |
473 | tree *post_p ATTRIBUTE_UNUSED) | |
16b0d23f | 474 | { |
6de9cd9a | 475 | return GS_UNHANDLED; |
16b0d23f | 476 | } |
2f51bb1d | 477 | |
d78e771d ZW |
478 | /* lang_hooks.tree_size: Determine the size of a tree with code C, |
479 | which is a language-specific tree code in category 'x'. The | |
480 | default expects never to be called. */ | |
481 | size_t | |
0c20a65f | 482 | lhd_tree_size (enum tree_code c ATTRIBUTE_UNUSED) |
d78e771d ZW |
483 | { |
484 | abort (); | |
485 | return 0; | |
486 | } | |
487 | ||
e076f71a AH |
488 | /* Return true if decl, which is a function decl, may be called by a |
489 | sibcall. */ | |
490 | ||
491 | bool | |
0c20a65f | 492 | lhd_decl_ok_for_sibcall (tree decl ATTRIBUTE_UNUSED) |
e076f71a AH |
493 | { |
494 | return true; | |
495 | } | |
496 | ||
2f51bb1d | 497 | /* lang_hooks.decls.final_write_globals: perform final processing on |
3dc575ff | 498 | global variables. */ |
2f51bb1d | 499 | void |
0c20a65f | 500 | write_global_declarations (void) |
2f51bb1d MA |
501 | { |
502 | /* Really define vars that have had only a tentative definition. | |
503 | Really output inline functions that must actually be callable | |
504 | and have not been output so far. */ | |
505 | ||
ae2bcd98 | 506 | tree globals = lang_hooks.decls.getdecls (); |
2f51bb1d | 507 | int len = list_length (globals); |
703ad42b | 508 | tree *vec = xmalloc (sizeof (tree) * len); |
2f51bb1d MA |
509 | int i; |
510 | tree decl; | |
511 | ||
512 | /* Process the decls in reverse order--earliest first. | |
513 | Put them into VEC from back to front, then take out from front. */ | |
514 | ||
515 | for (i = 0, decl = globals; i < len; i++, decl = TREE_CHAIN (decl)) | |
516 | vec[len - i - 1] = decl; | |
517 | ||
518 | wrapup_global_declarations (vec, len); | |
519 | ||
520 | check_global_declarations (vec, len); | |
521 | ||
522 | /* Clean up. */ | |
523 | free (vec); | |
524 | } | |
26e0dcb3 | 525 | |
21ecc5a7 GDR |
526 | /* Called to perform language-specific initialization of CTX. */ |
527 | void | |
528 | lhd_initialize_diagnostics (struct diagnostic_context *ctx ATTRIBUTE_UNUSED) | |
529 | { | |
530 | } | |
531 | ||
dba65e79 GDR |
532 | /* The default function to print out name of current function that caused |
533 | an error. */ | |
534 | void | |
535 | lhd_print_error_function (diagnostic_context *context, const char *file) | |
536 | { | |
537 | if (diagnostic_last_function_changed (context)) | |
538 | { | |
539 | const char *old_prefix = context->printer->prefix; | |
540 | char *new_prefix = file ? file_name_as_prefix (file) : NULL; | |
541 | ||
542 | pp_set_prefix (context->printer, new_prefix); | |
543 | ||
544 | if (current_function_decl == NULL) | |
545 | pp_printf (context->printer, "At top level:"); | |
546 | else | |
547 | { | |
548 | if (TREE_CODE (TREE_TYPE (current_function_decl)) == METHOD_TYPE) | |
549 | pp_printf | |
550 | (context->printer, "In member function `%s':", | |
ae2bcd98 | 551 | lang_hooks.decl_printable_name (current_function_decl, 2)); |
dba65e79 GDR |
552 | else |
553 | pp_printf | |
554 | (context->printer, "In function `%s':", | |
ae2bcd98 | 555 | lang_hooks.decl_printable_name (current_function_decl, 2)); |
dba65e79 | 556 | } |
dba65e79 GDR |
557 | |
558 | diagnostic_set_last_function (context); | |
559 | pp_flush (context->printer); | |
560 | context->printer->prefix = old_prefix; | |
561 | free ((char*) new_prefix); | |
562 | } | |
563 | } | |
564 | ||
25c84396 RH |
565 | tree |
566 | lhd_callgraph_analyze_expr (tree *tp ATTRIBUTE_UNUSED, | |
567 | int *walk_subtrees ATTRIBUTE_UNUSED, | |
568 | tree decl ATTRIBUTE_UNUSED) | |
569 | { | |
570 | return NULL; | |
571 | } | |
572 | ||
b9dcdee4 JH |
573 | tree |
574 | lhd_make_node (enum tree_code code) | |
575 | { | |
576 | return make_node (code); | |
577 | } |