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Re-implement allocation of base class subobjects.
[gcc.git] / gcc / cp / cp-tree.h
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8d08fdba 1/* Definitions for C++ parsing and type checking.
357a4089 2 Copyright (C) 1987, 93, 94, 95, 1996 Free Software Foundation, Inc.
8d08fdba
MS		 3 Hacked by Michael Tiemann (tiemann@cygnus.com)
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
e9fa0c7c
RK		 19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
8d08fdba
MS		 21
22#ifndef _CP_TREE_H
23#define _CP_TREE_H
24
faf5394a 25#include "gansidecl.h"
8d08fdba
MS		 26
27/* Language-dependent contents of an identifier. */
28
29struct lang_identifier
30{
31 struct tree_identifier ignore;
32e02ee0 32 tree namespace_bindings, local_value;
8d08fdba
MS		 33 tree class_value;
34 tree class_template_info;
35 struct lang_id2 *x;
36};
37
38struct lang_id2
39{
40 tree label_value, implicit_decl;
41 tree type_desc, as_list, error_locus;
42};
43
46b02c6d
MS		 44typedef struct
45{
46 tree t;
47 int new_type_flag;
48} flagged_type_tree;
49
f84b4be9
JM		 50typedef struct
51{
52 char common[sizeof (struct tree_common)];
53 struct rtx_def *rtl; /* Unused, but required to match up with what
54 the middle-end expects. */
55 HOST_WIDE_INT index;
56 HOST_WIDE_INT level;
57 HOST_WIDE_INT orig_level;
58 tree decl;
59} template_parm_index;
60
32e02ee0
JM		 61#define BINDING_SCOPE(NODE) (((struct tree_binding*)NODE)->scope)
62#define BINDING_VALUE(NODE) (((struct tree_binding*)NODE)->value)
30394414
JM		 63#define NAMESPACE_BINDING(ID,NS) BINDING_VALUE (binding_for_name (ID, NS))
64#define IDENTIFIER_GLOBAL_VALUE(NODE) \
65 NAMESPACE_BINDING (NODE, global_namespace)
66#define IDENTIFIER_NAMESPACE_VALUE(NODE) \
67 NAMESPACE_BINDING (NODE, current_namespace)
68
69struct tree_binding
70{
71 char common[sizeof (struct tree_common)];
72 tree scope;
73 tree value;
74};
75
8d08fdba
MS		 76/* To identify to the debug emitters if it should pay attention to the
77 flag `-Wtemplate-debugging'. */
78#define HAVE_TEMPLATES 1
79
80/* Macros for access to language-specific slots in an identifier. */
81
30394414 82#define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
32e02ee0 83 (((struct lang_identifier *)(NODE))->namespace_bindings)
8d08fdba
MS		 84#define IDENTIFIER_CLASS_VALUE(NODE) \
85 (((struct lang_identifier *)(NODE))->class_value)
86#define IDENTIFIER_LOCAL_VALUE(NODE) \
87 (((struct lang_identifier *)(NODE))->local_value)
88#define IDENTIFIER_TEMPLATE(NODE) \
89 (((struct lang_identifier *)(NODE))->class_template_info)
90
91#define IDENTIFIER_TYPE_VALUE(NODE) (TREE_TYPE (NODE))
92#define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = TYPE)
93#define IDENTIFIER_HAS_TYPE_VALUE(NODE) (TREE_TYPE (NODE) ? 1 : 0)
8d08fdba
MS		 94
95#define LANG_ID_FIELD(NAME,NODE) \
96 (((struct lang_identifier *)(NODE))->x \
97 ? ((struct lang_identifier *)(NODE))->x->NAME : 0)
98#define SET_LANG_ID(NODE,VALUE,NAME) \
99 (((struct lang_identifier *)(NODE))->x == 0 \
100 ? ((struct lang_identifier *)(NODE))->x \
101 = (struct lang_id2 *)perm_calloc (1, sizeof (struct lang_id2)) : 0, \
102 ((struct lang_identifier *)(NODE))->x->NAME = (VALUE))
103
104#define IDENTIFIER_LABEL_VALUE(NODE) LANG_ID_FIELD(label_value, NODE)
105#define SET_IDENTIFIER_LABEL_VALUE(NODE,VALUE) \
106 SET_LANG_ID(NODE, VALUE, label_value)
107
108#define IDENTIFIER_IMPLICIT_DECL(NODE) LANG_ID_FIELD(implicit_decl, NODE)
109#define SET_IDENTIFIER_IMPLICIT_DECL(NODE,VALUE) \
110 SET_LANG_ID(NODE, VALUE, implicit_decl)
111
112#define IDENTIFIER_AS_DESC(NODE) LANG_ID_FIELD(type_desc, NODE)
113#define SET_IDENTIFIER_AS_DESC(NODE,DESC) \
114 SET_LANG_ID(NODE, DESC, type_desc)
115
116#define IDENTIFIER_AS_LIST(NODE) LANG_ID_FIELD(as_list, NODE)
117#define SET_IDENTIFIER_AS_LIST(NODE,LIST) \
118 SET_LANG_ID(NODE, LIST, as_list)
119
120#define IDENTIFIER_ERROR_LOCUS(NODE) LANG_ID_FIELD(error_locus, NODE)
121#define SET_IDENTIFIER_ERROR_LOCUS(NODE,VALUE) \
122 SET_LANG_ID(NODE, VALUE, error_locus)
123
124
125#define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1(NODE)
126
127/* Nonzero if this identifier is the prefix for a mangled C++ operator name. */
128#define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2(NODE)
129
130#define IDENTIFIER_TYPENAME_P(NODE) \
131 (! strncmp (IDENTIFIER_POINTER (NODE), \
132 IDENTIFIER_POINTER (ansi_opname[(int) TYPE_EXPR]), \
133 IDENTIFIER_LENGTH (ansi_opname[(int) TYPE_EXPR])))
134
135/* Nonzero means reject anything that ANSI standard C forbids. */
136extern int pedantic;
137
138/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
139#define C_TYPE_FIELDS_READONLY(type) TYPE_LANG_FLAG_0 (type)
e1cd6e56
MS		 140
141/* Record in each node resulting from a binary operator
142 what operator was specified for it. */
143#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp))
144
145/* Store a value in that field. */
146#define C_SET_EXP_ORIGINAL_CODE(exp, code) \
147 (TREE_COMPLEXITY (exp) = (int)(code))
8d08fdba
MS		 148\f
149/* If non-zero, a VAR_DECL whose cleanup will cause a throw to the
150 next exception handler. */
151extern tree exception_throw_decl;
152
153extern tree double_type_node, long_double_type_node, float_type_node;
154extern tree char_type_node, unsigned_char_type_node, signed_char_type_node;
155extern tree ptrdiff_type_node;
156
157extern tree short_integer_type_node, short_unsigned_type_node;
158extern tree long_integer_type_node, long_unsigned_type_node;
159extern tree long_long_integer_type_node, long_long_unsigned_type_node;
160extern tree unsigned_type_node;
161extern tree string_type_node, char_array_type_node, int_array_type_node;
162extern tree wchar_array_type_node;
163extern tree wchar_type_node, signed_wchar_type_node, unsigned_wchar_type_node;
37c46b43
MS		 164
165extern tree complex_integer_type_node;
166extern tree complex_float_type_node;
167extern tree complex_double_type_node;
168extern tree complex_long_double_type_node;
169
8d08fdba
MS		 170extern tree intQI_type_node, unsigned_intQI_type_node;
171extern tree intHI_type_node, unsigned_intHI_type_node;
172extern tree intSI_type_node, unsigned_intSI_type_node;
173extern tree intDI_type_node, unsigned_intDI_type_node;
174
175extern int current_function_returns_value;
176extern int current_function_returns_null;
177extern tree current_function_return_value;
178
30394414
JM		 179extern tree current_namespace;
180extern tree global_namespace;
181
8d08fdba
MS		 182extern tree ridpointers[];
183extern tree ansi_opname[];
184extern tree ansi_assopname[];
185
186/* Nonzero means `$' can be in an identifier. */
187
188extern int dollars_in_ident;
189
190/* Nonzero means allow type mismatches in conditional expressions;
191 just make their values `void'. */
192
193extern int flag_cond_mismatch;
194
195/* Nonzero means don't recognize the keyword `asm'. */
196
197extern int flag_no_asm;
198
199/* For cross referencing. */
200
201extern int flag_gnu_xref;
202
203/* For environments where you can use GNU binutils (as, ld in particular). */
204
205extern int flag_gnu_binutils;
206
207/* Nonzero means ignore `#ident' directives. */
208
209extern int flag_no_ident;
210
211/* Nonzero means warn about implicit declarations. */
212
213extern int warn_implicit;
214
215/* Nonzero means warn when all ctors or dtors are private, and the class
216 has no friends. */
217
218extern int warn_ctor_dtor_privacy;
219
220/* Nonzero means warn about function definitions that default the return type
221 or that use a null return and have a return-type other than void. */
222
223extern int warn_return_type;
224
225/* Nonzero means give string constants the type `const char *'
226 to get extra warnings from them. These warnings will be too numerous
227 to be useful, except in thoroughly ANSIfied programs. */
228
229extern int warn_write_strings;
230
231/* Nonzero means warn about sizeof(function) or addition/subtraction
232 of function pointers. */
233
234extern int warn_pointer_arith;
235
8d08fdba
MS		 236/* Nonzero means warn about suggesting putting in ()'s. */
237
238extern int warn_parentheses;
239
240/* Nonzero means warn about multiple (redundant) decls for the same single
241 variable or function. */
242
243extern int warn_redundant_decls;
244
245/* Warn if initializer is not completely bracketed. */
246
247extern int warn_missing_braces;
248
2ee887f2
MS		 249/* Warn about comparison of signed and unsigned values. */
250
251extern int warn_sign_compare;
252
8d08fdba
MS		 253/* Warn about a subscript that has type char. */
254
255extern int warn_char_subscripts;
256
257/* Nonzero means warn about pointer casts that can drop a type qualifier
258 from the pointer target type. */
259
260extern int warn_cast_qual;
261
e92cc029 262/* Warn about *printf or *scanf format/argument anomalies. */
8d08fdba
MS		 263
264extern int warn_format;
265
266/* Nonzero means warn about non virtual destructors in classes that have
e92cc029 267 virtual functions. */
8d08fdba
MS		 268
269extern int warn_nonvdtor;
270
9a3b49ac
MS		 271/* Non-zero means warn when we convert a pointer to member function
272 into a pointer to (void or function). */
273
274extern int warn_pmf2ptr;
275
eb448459
MS		 276/* Nonzero means warn about violation of some Effective C++ style rules. */
277
278extern int warn_ecpp;
279
da20811c
JM		 280/* Nonzero means warn where overload resolution chooses a promotion from
281 unsigned to signed over a conversion to an unsigned of the same size. */
282
283extern int warn_sign_promo;
284
8d08fdba 285/* Non-zero means warn when a function is declared extern and later inline. */
eb448459 286
8d08fdba
MS		 287extern int warn_extern_inline;
288
0c4b14c4
JM		 289/* Non-zero means warn when an old-style cast is used. */
290
291extern int warn_old_style_cast;
292
8d08fdba
MS		 293/* Nonzero means to treat bitfields as unsigned unless they say `signed'. */
294
295extern int flag_signed_bitfields;
296
297/* 3 means write out only virtuals function tables `defined'
298 in this implementation file.
299 2 means write out only specific virtual function tables
300 and give them (C) public access.
301 1 means write out virtual function tables and give them
302 (C) public access.
303 0 means write out virtual function tables and give them
304 (C) static access (default).
305 -1 means declare virtual function tables extern. */
306
307extern int write_virtuals;
308
8926095f
MS		 309/* True for more efficient but incompatible (not not fully tested)
310 vtable implementation (using thunks).
e92cc029 311 0 is old behavior; 1 is new behavior. */
8926095f 312extern int flag_vtable_thunks;
51c184be 313
8d08fdba
MS		 314/* INTERFACE_ONLY nonzero means that we are in an "interface"
315 section of the compiler. INTERFACE_UNKNOWN nonzero means
316 we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
317 is zero and INTERFACE_ONLY is zero, it means that we are responsible
318 for exporting definitions that others might need. */
319extern int interface_only, interface_unknown;
320
321/* Nonzero means we should attempt to elide constructors when possible. */
322
323extern int flag_elide_constructors;
324
e1cd6e56
MS		 325/* Nonzero means enable obscure ANSI features and disable GNU extensions
326 that might cause ANSI-compliant code to be miscompiled. */
39211cd5
MS		 327
328extern int flag_ansi;
329
8d08fdba
MS		 330/* Nonzero means recognize and handle signature language constructs. */
331
332extern int flag_handle_signatures;
333
334/* Nonzero means that member functions defined in class scope are
335 inline by default. */
336
337extern int flag_default_inline;
386b8a85
JM		 338
339/* The name-mangling scheme to use. Versions of gcc before 2.8 use
340 version 0. */
341extern int name_mangling_version;
342
343/* Nonzero means that guiding declarations are allowed. */
344extern int flag_guiding_decls;
345
5bd17905
AM		 346/* Nonzero if squashed mangling is to be performed.
347 This uses the B and K codes to reference previously seen class types
348 and class qualifiers. */
349extern int flag_do_squangling;
350
8d08fdba
MS		 351\f
352/* C++ language-specific tree codes. */
353#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
354enum cplus_tree_code {
355 __DUMMY = LAST_AND_UNUSED_TREE_CODE,
e92cc029 356#include "cp-tree.def"
8d08fdba
MS		 357 LAST_CPLUS_TREE_CODE
358};
359#undef DEFTREECODE
360
8d08fdba
MS		 361enum languages { lang_c, lang_cplusplus };
362
363/* Macros to make error reporting functions' lives easier. */
364#define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
365#define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
366#define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
367
368#define TYPE_ASSEMBLER_NAME_STRING(NODE) (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
369#define TYPE_ASSEMBLER_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
370
a4443a08 371/* The _DECL for this _TYPE. */
d2e5ee5c 372#define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
a4443a08 373
8d08fdba 374#define IS_AGGR_TYPE(t) (TYPE_LANG_FLAG_5 (t))
5566b478 375#define IS_AGGR_TYPE_CODE(t) (t == RECORD_TYPE || t == UNION_TYPE)
8d08fdba
MS		 376#define IS_AGGR_TYPE_2(TYPE1,TYPE2) \
377 (TREE_CODE (TYPE1) == TREE_CODE (TYPE2) \
378 && IS_AGGR_TYPE (TYPE1)&IS_AGGR_TYPE (TYPE2))
6467930b
MS		 379#define IS_OVERLOAD_TYPE(t) \
380 (IS_AGGR_TYPE (t) || TREE_CODE (t) == ENUMERAL_TYPE)
8d08fdba
MS		 381
382/* In a *_TYPE, nonzero means a built-in type. */
383#define TYPE_BUILT_IN(NODE) TYPE_LANG_FLAG_6(NODE)
384
21474714
MS		 385#define DELTA_FROM_VTABLE_ENTRY(ENTRY) \
386 (!flag_vtable_thunks ? \
387 TREE_VALUE (CONSTRUCTOR_ELTS (ENTRY)) \
388 : TREE_CODE (TREE_OPERAND ((ENTRY), 0)) != THUNK_DECL ? integer_zero_node \
389 : build_int_2 (THUNK_DELTA (TREE_OPERAND ((ENTRY), 0)), 0))
bd6dd845 390
8d08fdba
MS		 391/* Virtual function addresses can be gotten from a virtual function
392 table entry using this macro. */
393#define FNADDR_FROM_VTABLE_ENTRY(ENTRY) \
8926095f
MS		 394 (!flag_vtable_thunks ? \
395 TREE_VALUE (TREE_CHAIN (TREE_CHAIN (CONSTRUCTOR_ELTS (ENTRY)))) \
396 : TREE_CODE (TREE_OPERAND ((ENTRY), 0)) != THUNK_DECL ? (ENTRY) \
397 : DECL_INITIAL (TREE_OPERAND ((ENTRY), 0)))
8d08fdba
MS		 398#define SET_FNADDR_FROM_VTABLE_ENTRY(ENTRY,VALUE) \
399 (TREE_VALUE (TREE_CHAIN (TREE_CHAIN (CONSTRUCTOR_ELTS (ENTRY)))) = (VALUE))
8d08fdba
MS		 400#define FUNCTION_ARG_CHAIN(NODE) (TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE))))
401#define PROMOTES_TO_AGGR_TYPE(NODE,CODE) \
402 (((CODE) == TREE_CODE (NODE) \
403 && IS_AGGR_TYPE (TREE_TYPE (NODE))) \
404 || IS_AGGR_TYPE (NODE))
405
8d08fdba
MS		 406/* Nonzero iff TYPE is uniquely derived from PARENT. Under MI, PARENT can
407 be an ambiguous base class of TYPE, and this macro will be false. */
408#define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 0, (tree *)0) >= 0)
409#define ACCESSIBLY_DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, -1, (tree *)0) >= 0)
410#define ACCESSIBLY_UNIQUELY_DERIVED_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 1, (tree *)0) >= 0)
a0a33927 411#define DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 0, (tree *)0) != -1)
8d08fdba 412\f
8d08fdba
MS		 413/* Statistics show that while the GNU C++ compiler may generate
414 thousands of different types during a compilation run, it
415 generates relatively few (tens) of classtypes. Because of this,
416 it is not costly to store a generous amount of information
417 in classtype nodes. This struct must fill out to a multiple of 4 bytes. */
418struct lang_type
419{
420 struct
421 {
422 unsigned has_type_conversion : 1;
8d08fdba 423 unsigned has_init_ref : 1;
8d08fdba
MS		 424 unsigned has_assignment : 1;
425 unsigned has_default_ctor : 1;
426 unsigned uses_multiple_inheritance : 1;
8d08fdba
MS		 427 unsigned const_needs_init : 1;
428 unsigned ref_needs_init : 1;
429 unsigned has_const_assign_ref : 1;
8d08fdba 430
0b41abe6
JM		 431 unsigned has_nonpublic_ctor : 2;
432 unsigned has_nonpublic_assign_ref : 2;
433 unsigned vtable_needs_writing : 1;
8d08fdba 434 unsigned has_assign_ref : 1;
a28e3c7f 435 unsigned gets_new : 2;
0b41abe6 436
a28e3c7f 437 unsigned gets_delete : 2;
8d08fdba
MS		 438 unsigned has_call_overloaded : 1;
439 unsigned has_array_ref_overloaded : 1;
440 unsigned has_arrow_overloaded : 1;
a28e3c7f 441 unsigned local_typedecls : 1;
8d08fdba
MS		 442 unsigned interface_only : 1;
443 unsigned interface_unknown : 1;
0b41abe6 444
8d08fdba 445 unsigned needs_virtual_reinit : 1;
db5ae43f 446 unsigned vec_delete_takes_size : 1;
8d08fdba
MS		 447 unsigned declared_class : 1;
448 unsigned being_defined : 1;
449 unsigned redefined : 1;
8d08fdba
MS		 450 unsigned marked : 1;
451 unsigned marked2 : 1;
452 unsigned marked3 : 1;
0b41abe6 453
8d08fdba
MS		 454 unsigned marked4 : 1;
455 unsigned marked5 : 1;
456 unsigned marked6 : 1;
fc378698 457 unsigned debug_requested : 1;
a28e3c7f 458 unsigned use_template : 2;
8d08fdba
MS		 459 unsigned got_semicolon : 1;
460 unsigned ptrmemfunc_flag : 1;
0b41abe6 461
8d08fdba
MS		 462 unsigned is_signature : 1;
463 unsigned is_signature_pointer : 1;
a28e3c7f 464 unsigned is_signature_reference : 1;
8d08fdba
MS		 465 unsigned has_opaque_typedecls : 1;
466 unsigned sigtable_has_been_generated : 1;
467 unsigned was_anonymous : 1;
468 unsigned has_real_assignment : 1;
469 unsigned has_real_assign_ref : 1;
0b41abe6 470
8d08fdba 471 unsigned has_const_init_ref : 1;
8d08fdba
MS		 472 unsigned has_complex_init_ref : 1;
473 unsigned has_complex_assign_ref : 1;
f0e01782 474 unsigned has_abstract_assign_ref : 1;
f30432d7 475 unsigned non_aggregate : 1;
8d08fdba
MS		 476
477 /* The MIPS compiler gets it wrong if this struct also
478 does not fill out to a multiple of 4 bytes. Add a
479 member `dummy' with new bits if you go over the edge. */
0b41abe6 480 unsigned dummy : 11;
8d08fdba
MS		 481 } type_flags;
482
0b41abe6 483#ifdef MI_MATRIX
8d08fdba 484 int cid;
0b41abe6 485#endif
8d08fdba 486 int n_ancestors;
0b41abe6 487 int n_vancestors;
8d08fdba
MS		 488 int vsize;
489 int max_depth;
490 int vfield_parent;
491
8d08fdba
MS		 492 union tree_node *baselink_vec;
493 union tree_node *vfields;
494 union tree_node *vbases;
8d08fdba
MS		 495
496 union tree_node *tags;
497 char *memoized_table_entry;
498
fc378698 499 union tree_node *search_slot;
8d08fdba 500
8d08fdba 501 unsigned char align;
0b41abe6 502 /* Room for another three unsigned chars. */
8d08fdba 503
8d08fdba
MS		 504 union tree_node *size;
505
506 union tree_node *base_init_list;
507 union tree_node *abstract_virtuals;
508 union tree_node *as_list;
509 union tree_node *id_as_list;
510 union tree_node *binfo_as_list;
8d08fdba
MS		 511 union tree_node *friend_classes;
512
0b41abe6 513#ifdef MI_MATRIX
8d08fdba 514 char *mi_matrix;
0b41abe6 515#endif
8d08fdba 516
db5ae43f 517 union tree_node *rtti;
8d08fdba 518
51c184be
MS		 519 union tree_node *methods;
520
8d08fdba
MS		 521 union tree_node *signature;
522 union tree_node *signature_pointer_to;
523 union tree_node *signature_reference_to;
f376e137 524
5566b478
MS		 525 union tree_node *template_info;
526
f376e137 527 int linenum;
8d08fdba
MS		 528};
529
f376e137
MS		 530#define CLASSTYPE_SOURCE_LINE(NODE) (TYPE_LANG_SPECIFIC(NODE)->linenum)
531
a0a33927
MS		 532/* Indicates whether or not (and how) a template was expanded for this class.
533 0=no information yet/non-template class
534 1=implicit template instantiation
535 2=explicit template specialization
536 3=explicit template instantiation */
8d08fdba
MS		 537#define CLASSTYPE_USE_TEMPLATE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.use_template)
538
539/* Fields used for storing information before the class is defined.
540 After the class is defined, these fields hold other information. */
541
542/* List of friends which were defined inline in this class definition. */
543#define CLASSTYPE_INLINE_FRIENDS(NODE) (TYPE_NONCOPIED_PARTS (NODE))
544
545/* Nonzero for _CLASSTYPE means that the _CLASSTYPE either has
546 a special meaning for the assignment operator ("operator="),
547 or one of its fields (or base members) has a special meaning
548 defined. */
549#define TYPE_HAS_ASSIGNMENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_assignment)
550#define TYPE_HAS_REAL_ASSIGNMENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_real_assignment)
551
552/* Nonzero for _CLASSTYPE means that operator new and delete are defined,
553 respectively. */
a28e3c7f
MS		 554#define TYPE_GETS_NEW(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_new)
555#define TYPE_GETS_DELETE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_delete)
556#define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
557
558/* Nonzero for _CLASSTYPE means that operator vec delete is defined and
559 takes the optional size_t argument. */
560#define TYPE_VEC_DELETE_TAKES_SIZE(NODE) \
561 (TYPE_LANG_SPECIFIC(NODE)->type_flags.vec_delete_takes_size)
562#define TYPE_VEC_NEW_USES_COOKIE(NODE) \
563 (TYPE_NEEDS_DESTRUCTOR (NODE) \
564 || (TYPE_LANG_SPECIFIC (NODE) && TYPE_VEC_DELETE_TAKES_SIZE (NODE)))
8d08fdba
MS		 565
566/* Nonzero for TREE_LIST or _TYPE node means that this node is class-local. */
567#define TREE_NONLOCAL_FLAG(NODE) (TREE_LANG_FLAG_0 (NODE))
568
8d08fdba
MS		 569/* Nonzero means that this _CLASSTYPE node defines ways of converting
570 itself to other types. */
571#define TYPE_HAS_CONVERSION(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_type_conversion)
572
8d08fdba
MS		 573/* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
574#define TYPE_HAS_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_assign_ref)
575#define TYPE_HAS_CONST_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_const_assign_ref)
576
577/* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
578#define TYPE_HAS_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_init_ref)
579#define TYPE_HAS_CONST_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_const_init_ref)
580
8d08fdba
MS		 581/* Nonzero means that this type is being defined. I.e., the left brace
582 starting the definition of this type has been seen. */
583#define TYPE_BEING_DEFINED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.being_defined)
584/* Nonzero means that this type has been redefined. In this case, if
585 convenient, don't reprocess any methods that appear in its redefinition. */
586#define TYPE_REDEFINED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.redefined)
587
8d08fdba
MS		 588/* Nonzero means that this type is a signature. */
589# define IS_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)?TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature:0)
590# define SET_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature=1)
591# define CLEAR_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature=0)
592
593/* Nonzero means that this type is a signature pointer type. */
594# define IS_SIGNATURE_POINTER(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature_pointer)
595
596/* Nonzero means that this type is a signature reference type. */
597# define IS_SIGNATURE_REFERENCE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature_reference)
598
8d08fdba
MS		 599/* Nonzero means that this signature contains opaque type declarations. */
600#define SIGNATURE_HAS_OPAQUE_TYPEDECLS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_opaque_typedecls)
601
602/* Nonzero means that a signature table has been generated
603 for this signature. */
604#define SIGTABLE_HAS_BEEN_GENERATED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.sigtable_has_been_generated)
605
606/* If NODE is a class, this is the signature type that contains NODE's
607 signature after it has been computed using sigof(). */
608#define CLASSTYPE_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
609
610/* If NODE is a signature pointer or signature reference, this is the
611 signature type the pointer/reference points to. */
612#define SIGNATURE_TYPE(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
613
614/* If NODE is a signature, this is a vector of all methods defined
615 in the signature or in its base types together with their default
616 implementations. */
617#define SIGNATURE_METHOD_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
618
619/* If NODE is a signature, this is the _TYPE node that contains NODE's
620 signature pointer type. */
621#define SIGNATURE_POINTER_TO(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature_pointer_to)
622
623/* If NODE is a signature, this is the _TYPE node that contains NODE's
624 signature reference type. */
625#define SIGNATURE_REFERENCE_TO(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature_reference_to)
626
db5ae43f
MS		 627/* The is the VAR_DECL that contains NODE's rtti. */
628#define CLASSTYPE_RTTI(NODE) (TYPE_LANG_SPECIFIC(NODE)->rtti)
8d08fdba
MS		 629
630/* Nonzero means that this _CLASSTYPE node overloads operator(). */
631#define TYPE_OVERLOADS_CALL_EXPR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_call_overloaded)
632
633/* Nonzero means that this _CLASSTYPE node overloads operator[]. */
634#define TYPE_OVERLOADS_ARRAY_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_array_ref_overloaded)
635
636/* Nonzero means that this _CLASSTYPE node overloads operator->. */
637#define TYPE_OVERLOADS_ARROW(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_arrow_overloaded)
638
639/* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
640 multiple inheritance. If this is 0 for the root of a type
641 hierarchy, then we can use more efficient search techniques. */
642#define TYPE_USES_MULTIPLE_INHERITANCE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.uses_multiple_inheritance)
643
644/* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
645 virtual base classes. If this is 0 for the root of a type
646 hierarchy, then we can use more efficient search techniques. */
647#define TYPE_USES_VIRTUAL_BASECLASSES(NODE) (TREE_LANG_FLAG_3(NODE))
648
649/* List of lists of member functions defined in this class. */
72b7eeff 650#define CLASSTYPE_METHOD_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->methods)
8d08fdba 651
e1cd6e56
MS		 652/* The first type conversion operator in the class (the others can be
653 searched with TREE_CHAIN), or the first non-constructor function if
654 there are no type conversion operators. */
655#define CLASSTYPE_FIRST_CONVERSION(NODE) \
fc378698
MS		 656 TREE_VEC_LENGTH (CLASSTYPE_METHOD_VEC (NODE)) > 2 \
657 ? TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), 2) \
8ccc31eb 658 : NULL_TREE;
e1cd6e56 659
8d08fdba
MS		 660/* Pointer from any member function to the head of the list of
661 member functions of the type that member function belongs to. */
662#define CLASSTYPE_BASELINK_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->baselink_vec)
663
664/* Mark bits for depth-first and breath-first searches. */
665#define CLASSTYPE_MARKED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked)
666#define CLASSTYPE_MARKED2(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked2)
667#define CLASSTYPE_MARKED3(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked3)
668#define CLASSTYPE_MARKED4(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked4)
669#define CLASSTYPE_MARKED5(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked5)
670#define CLASSTYPE_MARKED6(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked6)
671/* Macros to modify the above flags */
672#define SET_CLASSTYPE_MARKED(NODE) (CLASSTYPE_MARKED(NODE) = 1)
673#define CLEAR_CLASSTYPE_MARKED(NODE) (CLASSTYPE_MARKED(NODE) = 0)
674#define SET_CLASSTYPE_MARKED2(NODE) (CLASSTYPE_MARKED2(NODE) = 1)
675#define CLEAR_CLASSTYPE_MARKED2(NODE) (CLASSTYPE_MARKED2(NODE) = 0)
676#define SET_CLASSTYPE_MARKED3(NODE) (CLASSTYPE_MARKED3(NODE) = 1)
677#define CLEAR_CLASSTYPE_MARKED3(NODE) (CLASSTYPE_MARKED3(NODE) = 0)
678#define SET_CLASSTYPE_MARKED4(NODE) (CLASSTYPE_MARKED4(NODE) = 1)
679#define CLEAR_CLASSTYPE_MARKED4(NODE) (CLASSTYPE_MARKED4(NODE) = 0)
680#define SET_CLASSTYPE_MARKED5(NODE) (CLASSTYPE_MARKED5(NODE) = 1)
681#define CLEAR_CLASSTYPE_MARKED5(NODE) (CLASSTYPE_MARKED5(NODE) = 0)
682#define SET_CLASSTYPE_MARKED6(NODE) (CLASSTYPE_MARKED6(NODE) = 1)
683#define CLEAR_CLASSTYPE_MARKED6(NODE) (CLASSTYPE_MARKED6(NODE) = 0)
684
685#define CLASSTYPE_TAGS(NODE) (TYPE_LANG_SPECIFIC(NODE)->tags)
686
687/* If this class has any bases, this is the number of the base class from
688 which our VFIELD is based, -1 otherwise. If this class has no base
689 classes, this is not used.
690 In D : B1, B2, PARENT would be 0, if D's vtable came from B1,
e92cc029 691 1, if D's vtable came from B2. */
8d08fdba
MS		 692#define CLASSTYPE_VFIELD_PARENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->vfield_parent)
693
694/* Remove when done merging. */
695#define CLASSTYPE_VFIELD(NODE) TYPE_VFIELD(NODE)
696
697/* The number of virtual functions defined for this
698 _CLASSTYPE node. */
699#define CLASSTYPE_VSIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->vsize)
700/* The virtual base classes that this type uses. */
701#define CLASSTYPE_VBASECLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->vbases)
702/* The virtual function pointer fields that this type contains. */
703#define CLASSTYPE_VFIELDS(NODE) (TYPE_LANG_SPECIFIC(NODE)->vfields)
704
705/* Number of baseclasses defined for this type.
706 0 means no base classes. */
707#define CLASSTYPE_N_BASECLASSES(NODE) \
708 (TYPE_BINFO_BASETYPES (NODE) ? TREE_VEC_LENGTH (TYPE_BINFO_BASETYPES(NODE)) : 0)
709
710/* Memoize the number of super classes (base classes) tha this node
711 has. That way we can know immediately (albeit conservatively how
712 large a multiple-inheritance matrix we need to build to find
713 derivation information. */
714#define CLASSTYPE_N_SUPERCLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->n_ancestors)
0b41abe6 715#define CLASSTYPE_N_VBASECLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->n_vancestors)
8d08fdba
MS		 716
717/* Record how deep the inheritance is for this class so `void*' conversions
718 are less favorable than a conversion to the most base type. */
719#define CLASSTYPE_MAX_DEPTH(NODE) (TYPE_LANG_SPECIFIC(NODE)->max_depth)
720
721/* Used for keeping search-specific information. Any search routine
722 which uses this must define what exactly this slot is used for. */
723#define CLASSTYPE_SEARCH_SLOT(NODE) (TYPE_LANG_SPECIFIC(NODE)->search_slot)
724
725/* Entry for keeping memoization tables for this type to
726 hopefully speed up search routines. Since it is a pointer,
727 it can mean almost anything. */
728#define CLASSTYPE_MTABLE_ENTRY(NODE) (TYPE_LANG_SPECIFIC(NODE)->memoized_table_entry)
729
0b41abe6 730/* These are the size, mode and alignment of the type without its
9a71c18b 731 virtual base classes, for when we use this type as a base itself. */
8d08fdba 732#define CLASSTYPE_SIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->size)
8d08fdba
MS		 733#define CLASSTYPE_ALIGN(NODE) (TYPE_LANG_SPECIFIC(NODE)->align)
734
8d08fdba
MS		 735/* A cons list of structure elements which either have constructors
736 to be called, or virtual function table pointers which
737 need initializing. Depending on what is being initialized,
738 the TREE_PURPOSE and TREE_VALUE fields have different meanings:
739
740 Member initialization: <FIELD_DECL, TYPE>
741 Base class construction: <NULL_TREE, BASETYPE>
742 Base class initialization: <BASE_INITIALIZATION, THESE_INITIALIZATIONS>
743 Whole type: <MEMBER_INIT, BASE_INIT>. */
744#define CLASSTYPE_BASE_INIT_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->base_init_list)
745
746/* A cons list of virtual functions which cannot be inherited by
747 derived classes. When deriving from this type, the derived
748 class must provide its own definition for each of these functions. */
749#define CLASSTYPE_ABSTRACT_VIRTUALS(NODE) (TYPE_LANG_SPECIFIC(NODE)->abstract_virtuals)
750
751/* Nonzero means that this aggr type has been `closed' by a semicolon. */
752#define CLASSTYPE_GOT_SEMICOLON(NODE) (TYPE_LANG_SPECIFIC (NODE)->type_flags.got_semicolon)
753
754/* Nonzero means that the main virtual function table pointer needs to be
755 set because base constructors have placed the wrong value there.
756 If this is zero, it means that they placed the right value there,
757 and there is no need to change it. */
758#define CLASSTYPE_NEEDS_VIRTUAL_REINIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.needs_virtual_reinit)
759
760/* Nonzero means that if this type has virtual functions, that
761 the virtual function table will be written out. */
762#define CLASSTYPE_VTABLE_NEEDS_WRITING(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.vtable_needs_writing)
763
764/* Nonzero means that this type defines its own local type declarations. */
765#define CLASSTYPE_LOCAL_TYPEDECLS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.local_typedecls)
766
767/* Nonzero means that this type has an X() constructor. */
768#define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_default_ctor)
769
770/* Nonzero means the type declared a ctor as private or protected. We
771 use this to make sure we don't try to generate a copy ctor for a
772 class that has a member of type NODE. */
773#define TYPE_HAS_NONPUBLIC_CTOR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_nonpublic_ctor)
774
775/* Ditto, for operator=. */
776#define TYPE_HAS_NONPUBLIC_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_nonpublic_assign_ref)
777
778/* Many routines need to cons up a list of basetypes for access
779 checking. This field contains a TREE_LIST node whose TREE_VALUE
780 is the main variant of the type, and whose TREE_VIA_PUBLIC
781 and TREE_VIA_VIRTUAL bits are correctly set. */
782#define CLASSTYPE_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->as_list)
783/* Same, but cache a list whose value is the name of this type. */
784#define CLASSTYPE_ID_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->id_as_list)
785/* Same, but cache a list whose value is the binfo of this type. */
786#define CLASSTYPE_BINFO_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->binfo_as_list)
787
8d08fdba
MS		 788/* A list of class types with which this type is a friend. */
789#define CLASSTYPE_FRIEND_CLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->friend_classes)
790
0b41abe6 791#ifdef MI_MATRIX
8d08fdba
MS		 792/* Keep an inheritance lattice around so we can quickly tell whether
793 a type is derived from another or not. */
794#define CLASSTYPE_MI_MATRIX(NODE) (TYPE_LANG_SPECIFIC(NODE)->mi_matrix)
0b41abe6 795#endif
8d08fdba 796
8d08fdba
MS		 797/* Say whether this node was declared as a "class" or a "struct". */
798#define CLASSTYPE_DECLARED_CLASS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.declared_class)
8d08fdba
MS		 799
800/* Nonzero if this class has const members which have no specified initialization. */
801#define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.const_needs_init)
802
803/* Nonzero if this class has ref members which have no specified initialization. */
804#define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.ref_needs_init)
805
806/* Nonzero if this class is included from a header file which employs
807 `#pragma interface', and it is not included in its implementation file. */
808#define CLASSTYPE_INTERFACE_ONLY(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_only)
809
810/* Same as above, but for classes whose purpose we do not know. */
811#define CLASSTYPE_INTERFACE_UNKNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown)
812#define CLASSTYPE_INTERFACE_KNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown == 0)
813#define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = !!(X))
814#define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = 1)
815#define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = 0)
816
817/* Nonzero if a _DECL node requires us to output debug info for this class. */
818#define CLASSTYPE_DEBUG_REQUESTED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.debug_requested)
819\f
820/* Additional macros for inheritance information. */
821
8d08fdba
MS		 822/* When following an binfo-specific chain, this is the cumulative
823 via-public flag. */
824#define BINFO_VIA_PUBLIC(NODE) TREE_LANG_FLAG_5 (NODE)
825
0b41abe6 826#ifdef MI_MATRIX
8d08fdba
MS		 827/* When building a matrix to determine by a single lookup
828 whether one class is derived from another or not,
829 this field is the index of the class in the table. */
830#define CLASSTYPE_CID(NODE) (TYPE_LANG_SPECIFIC(NODE)->cid)
831#define BINFO_CID(NODE) CLASSTYPE_CID(BINFO_TYPE(NODE))
0b41abe6 832#endif
8d08fdba
MS		 833
834/* Nonzero means marked by DFS or BFS search, including searches
835 by `get_binfo' and `get_base_distance'. */
836#define BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED(BINFO_TYPE(NODE)):TREE_LANG_FLAG_0(NODE))
837/* Macros needed because of C compilers that don't allow conditional
838 expressions to be lvalues. Grr! */
839#define SET_BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_0(NODE)=1))
840#define CLEAR_BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_0(NODE)=0))
841
842/* Nonzero means marked in building initialization list. */
843#define BINFO_BASEINIT_MARKED(NODE) CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
844/* Modifier macros */
845#define SET_BINFO_BASEINIT_MARKED(NODE) SET_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
846#define CLEAR_BINFO_BASEINIT_MARKED(NODE) CLEAR_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
847
848/* Nonzero means marked in search through virtual inheritance hierarchy. */
849#define BINFO_VBASE_MARKED(NODE) CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
850/* Modifier macros */
851#define SET_BINFO_VBASE_MARKED(NODE) SET_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
852#define CLEAR_BINFO_VBASE_MARKED(NODE) CLEAR_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
853
854/* Nonzero means marked in search for members or member functions. */
855#define BINFO_FIELDS_MARKED(NODE) \
856 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED2 (BINFO_TYPE (NODE)):TREE_LANG_FLAG_2(NODE))
857#define SET_BINFO_FIELDS_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED2(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_2(NODE)=1))
858#define CLEAR_BINFO_FIELDS_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED2(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_2(NODE)=0))
859
860/* Nonzero means that this class is on a path leading to a new vtable. */
861#define BINFO_VTABLE_PATH_MARKED(NODE) \
862 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):TREE_LANG_FLAG_3(NODE))
863#define SET_BINFO_VTABLE_PATH_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_3(NODE)=1))
864#define CLEAR_BINFO_VTABLE_PATH_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_3(NODE)=0))
865
866/* Nonzero means that this class has a new vtable. */
867#define BINFO_NEW_VTABLE_MARKED(NODE) \
868 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):TREE_LANG_FLAG_4(NODE))
869#define SET_BINFO_NEW_VTABLE_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_4(NODE)=1))
870#define CLEAR_BINFO_NEW_VTABLE_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_4(NODE)=0))
871
872/* Nonzero means this class has initialized its virtual baseclasses. */
873#define BINFO_VBASE_INIT_MARKED(NODE) \
874 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED5(BINFO_TYPE(NODE)):TREE_LANG_FLAG_5(NODE))
875#define SET_BINFO_VBASE_INIT_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED5(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_5(NODE)=1))
876#define CLEAR_BINFO_VBASE_INIT_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED5(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_5(NODE)=0))
877\f
878/* Accessor macros for the vfield slots in structures. */
879
880/* Get the assoc info that caused this vfield to exist. */
881#define VF_BINFO_VALUE(NODE) TREE_PURPOSE (NODE)
882
883/* Get that same information as a _TYPE. */
884#define VF_BASETYPE_VALUE(NODE) TREE_VALUE (NODE)
885
886/* Get the value of the top-most type dominating the non-`normal' vfields. */
887#define VF_DERIVED_VALUE(NODE) (VF_BINFO_VALUE (NODE) ? BINFO_TYPE (VF_BINFO_VALUE (NODE)) : NULL_TREE)
888
889/* Get the value of the top-most type that's `normal' for the vfield. */
890#define VF_NORMAL_VALUE(NODE) TREE_TYPE (NODE)
891\f
892/* Nonzero for TREE_LIST node means that this list of things
893 is a list of parameters, as opposed to a list of expressions. */
894#define TREE_PARMLIST(NODE) ((NODE)->common.unsigned_flag) /* overloaded! */
895
896/* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
897 this type can raise. */
898#define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_NONCOPIED_PARTS (NODE)
a9aedbc2 899
e92cc029 900/* The binding level associated with the namespace. */
72b7eeff 901#define NAMESPACE_LEVEL(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.level)
8d08fdba
MS		 902\f
903struct lang_decl_flags
904{
905#ifdef ONLY_INT_FIELDS
906 int language : 8;
907#else
908 enum languages language : 8;
909#endif
910
911 unsigned operator_attr : 1;
912 unsigned constructor_attr : 1;
913 unsigned returns_first_arg : 1;
914 unsigned preserves_first_arg : 1;
915 unsigned friend_attr : 1;
916 unsigned static_function : 1;
917 unsigned const_memfunc : 1;
918 unsigned volatile_memfunc : 1;
919
920 unsigned abstract_virtual : 1;
921 unsigned permanent_attr : 1 ;
922 unsigned constructor_for_vbase_attr : 1;
923 unsigned mutable_flag : 1;
924 unsigned is_default_implementation : 1;
8926095f 925 unsigned saved_inline : 1;
a0a33927
MS		 926 unsigned use_template : 2;
927
db5ae43f 928 unsigned nonconverting : 1;
faae18ab
MS		 929 unsigned declared_inline : 1;
930 unsigned not_really_extern : 1;
77be6f82 931 unsigned comdat : 1;
cdcb673e
MH		 932 unsigned needs_final_overrider : 1;
933 unsigned dummy : 3;
8d08fdba
MS		 934
935 tree access;
936 tree context;
937 tree memfunc_pointer_to;
5566b478 938 tree template_info;
72b7eeff 939 struct binding_level *level;
30394414 940 tree in_namespace;
8d08fdba
MS		 941};
942
943struct lang_decl
944{
945 struct lang_decl_flags decl_flags;
946
8d08fdba
MS		 947 tree main_decl_variant;
948 struct pending_inline *pending_inline_info;
8d08fdba
MS		 949 tree chain;
950};
951
952/* Non-zero if NODE is a _DECL with TREE_READONLY set. */
953#define TREE_READONLY_DECL_P(NODE) \
954 (TREE_READONLY (NODE) && TREE_CODE_CLASS (TREE_CODE (NODE)) == 'd')
955
cffa8729
MS		 956/* Non-zero iff DECL is memory-based. The DECL_RTL of
957 certain const variables might be a CONST_INT, or a REG
958 in some cases. We cannot use `memory_operand' as a test
959 here because on most RISC machines, a variable's address
960 is not, by itself, a legitimate address. */
961#define DECL_IN_MEMORY_P(NODE) \
962 (DECL_RTL (NODE) != NULL_RTX && GET_CODE (DECL_RTL (NODE)) == MEM)
963
8d08fdba
MS		 964/* For FUNCTION_DECLs: return the language in which this decl
965 was declared. */
966#define DECL_LANGUAGE(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.language)
967
968/* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
969#define DECL_CONSTRUCTOR_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.constructor_attr)
970/* For FUNCTION_DECLs: nonzero means that this function is a constructor
971 for an object with virtual baseclasses. */
972#define DECL_CONSTRUCTOR_FOR_VBASE_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.constructor_for_vbase_attr)
973
974/* For FUNCTION_DECLs: nonzero means that this function is a default
975 implementation of a signature method. */
976#define IS_DEFAULT_IMPLEMENTATION(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.is_default_implementation)
977
978/* For FUNCTION_DECLs: nonzero means that the constructor
979 is known to return a non-zero `this' unchanged. */
980#define DECL_RETURNS_FIRST_ARG(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.returns_first_arg)
981
982/* Nonzero for FUNCTION_DECL means that this constructor is known to
983 not make any assignment to `this', and therefore can be trusted
4ac14744 984 to return it unchanged. Otherwise, we must re-assign `current_class_ptr'
8d08fdba
MS		 985 after performing base initializations. */
986#define DECL_PRESERVES_THIS(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.preserves_first_arg)
987
988/* Nonzero for _DECL means that this decl appears in (or will appear
989 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
990 detecting circularity in case members are multiply defined. In the
991 case of a VAR_DECL, it is also used to determine how program storage
992 should be allocated. */
993#define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3(NODE))
994
995/* Nonzero for FUNCTION_DECL means that this decl is just a
996 friend declaration, and should not be added to the list of
997 member functions for this class. */
998#define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.friend_attr)
999
1000/* Nonzero for FUNCTION_DECL means that this decl is a static
1001 member function. */
1002#define DECL_STATIC_FUNCTION_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.static_function)
1003
700f8a87
MS		 1004/* Nonzero for a class member means that it is shared between all objects
1005 of that class. */
1006#define SHARED_MEMBER_P(NODE) \
1007 (TREE_CODE (NODE) == VAR_DECL || TREE_CODE (NODE) == TYPE_DECL \
1008 || TREE_CODE (NODE) == CONST_DECL)
1009
8857f91e
MM		 1010/* Nonzero for FUNCTION_DECL means that this decl is a non-static
1011 member function. */
1012#define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1013 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1014
8926095f
MS		 1015/* Nonzero for FUNCTION_DECL means that this decl is a member function
1016 (static or non-static). */
1017#define DECL_FUNCTION_MEMBER_P(NODE) \
8857f91e 1018 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
8926095f 1019
8d08fdba
MS		 1020/* Nonzero for FUNCTION_DECL means that this member function
1021 has `this' as const X *const. */
1022#define DECL_CONST_MEMFUNC_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.const_memfunc)
1023
1024/* Nonzero for FUNCTION_DECL means that this member function
1025 has `this' as volatile X *const. */
1026#define DECL_VOLATILE_MEMFUNC_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.volatile_memfunc)
1027
1028/* Nonzero for _DECL means that this member object type
1029 is mutable. */
1030#define DECL_MUTABLE_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.mutable_flag)
1031
db5ae43f
MS		 1032/* Nonzero for _DECL means that this constructor is a non-converting
1033 constructor. */
1034#define DECL_NONCONVERTING_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.nonconverting)
1035
8d08fdba
MS		 1036/* Nonzero for FUNCTION_DECL means that this member function
1037 exists as part of an abstract class's interface. */
1038#define DECL_ABSTRACT_VIRTUAL_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.abstract_virtual)
1039
cdcb673e
MH		 1040/* Nonzero for FUNCTION_DECL means that this member function
1041 must be overridden by derived classes. */
1042#define DECL_NEEDS_FINAL_OVERRIDER_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.needs_final_overrider)
1043
8d08fdba
MS		 1044/* Nonzero if allocated on permanent_obstack. */
1045#define LANG_DECL_PERMANENT(LANGDECL) ((LANGDECL)->decl_flags.permanent_attr)
1046
8926095f
MS		 1047/* The _TYPE context in which this _DECL appears. This field holds the
1048 class where a virtual function instance is actually defined, and the
30394414 1049 lexical scope of a friend function defined in a class body. */
8d08fdba 1050#define DECL_CLASS_CONTEXT(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.context)
f30432d7
MS		 1051#define DECL_REAL_CONTEXT(NODE) \
1052 ((TREE_CODE (NODE) == FUNCTION_DECL && DECL_FUNCTION_MEMBER_P (NODE)) \
1053 ? DECL_CLASS_CONTEXT (NODE) : DECL_CONTEXT (NODE))
8d08fdba
MS		 1054
1055/* For a FUNCTION_DECL: the chain through which the next method
5566b478 1056 with the same name is found. We now use TREE_CHAIN to
30394414
JM		 1057 walk through the methods in order of declaration.
1058 For a NAMESPACE_DECL: the list of using namespace directives
1059 The PURPOSE is the used namespace, the value is the namespace
1060 that is the common ancestor */
8d08fdba
MS		 1061#if 1
1062#define DECL_CHAIN(NODE) (DECL_LANG_SPECIFIC(NODE)->chain)
1063#else
1064#define DECL_CHAIN(NODE) (TREE_CHAIN (NODE))
1065#endif
30394414
JM		 1066#define DECL_NAMESPACE_USING(NODE) (DECL_LANG_SPECIFIC(NODE)->chain)
1067
1068/* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
1069 of a namespace, to record the transitive closure of using namespace */
1070#define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NODE)
1071
1072/* In a TREE_LIST concatenating using directives, indicate indirekt
1073 directives */
1074#define TREE_INDIRECT_USING(NODE) ((NODE)->common.lang_flag_0)
8d08fdba 1075
d2ad151f 1076/* In a VAR_DECL for a variable declared in a for statement,
e92cc029 1077 this is the shadowed (local) variable. */
d2ad151f
PB		 1078#define DECL_SHADOWED_FOR_VAR(NODE) DECL_RESULT(NODE)
1079
8d08fdba
MS		 1080/* Points back to the decl which caused this lang_decl to be allocated. */
1081#define DECL_MAIN_VARIANT(NODE) (DECL_LANG_SPECIFIC(NODE)->main_decl_variant)
1082
1083/* For a FUNCTION_DECL: if this function was declared inline inside of
1084 a class declaration, this is where the text for the function is
1085 squirreled away. */
1086#define DECL_PENDING_INLINE_INFO(NODE) (DECL_LANG_SPECIFIC(NODE)->pending_inline_info)
1087
e92cc029 1088/* True if on the saved_inlines (see decl2.c) list. */
8926095f
MS		 1089#define DECL_SAVED_INLINE(DECL) \
1090 (DECL_LANG_SPECIFIC(DECL)->decl_flags.saved_inline)
1091
8d08fdba
MS		 1092/* For a FUNCTION_DECL: if this function was declared inside a signature
1093 declaration, this is the corresponding member function pointer that was
1094 created for it. */
1095#define DECL_MEMFUNC_POINTER_TO(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.memfunc_pointer_to)
1096
1097/* For a FIELD_DECL: this points to the signature member function from
1098 which this signature member function pointer was created. */
1099#define DECL_MEMFUNC_POINTING_TO(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.memfunc_pointer_to)
1100
5566b478
MS		 1101/* For a VAR_DECL or FUNCTION_DECL: template-specific information. */
1102#define DECL_TEMPLATE_INFO(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.template_info)
1103#define CLASSTYPE_TEMPLATE_INFO(NODE) (TYPE_LANG_SPECIFIC(NODE)->template_info)
1104#define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
1105#define TI_ARGS(NODE) (TREE_VALUE (NODE))
6633d636 1106#define TI_SPEC_INFO(NODE) (TREE_CHAIN (NODE))
5566b478 1107#define TI_USES_TEMPLATE_PARMS(NODE) TREE_LANG_FLAG_0 (NODE)
824b9a4c 1108#define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
e1467ff2
MM		 1109/* TI_PENDING_SPECIALIZATION_FLAG on a template-info node indicates
1110 that the template is a specialization of a member template, but
1111 that we don't yet know which one. */
1112#define TI_PENDING_SPECIALIZATION_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
5566b478
MS		 1113#define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
1114#define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
1115#define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
1116#define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
6633d636 1117#define CLASSTYPE_TI_SPEC_INFO(NODE) TI_SPEC_INFO (CLASSTYPE_TEMPLATE_INFO (NODE))
98c1c668 1118#define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE(NODE)
5566b478 1119
cae40af6
JM		 1120#define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
1121
5566b478
MS		 1122#define DECL_SAVED_TREE(NODE) DECL_MEMFUNC_POINTER_TO (NODE)
1123#define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE)
1124#define NEW_EXPR_USE_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
1125#define DELETE_EXPR_USE_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
1126#define DELETE_EXPR_USE_VEC(NODE) TREE_LANG_FLAG_1 (NODE)
1127#define LOOKUP_EXPR_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
8d08fdba 1128
ca40b399
JM		 1129#define TYPENAME_TYPE_FULLNAME(NODE) CLASSTYPE_SIZE (NODE)
1130
8d08fdba
MS		 1131/* Nonzero in INT_CST means that this int is negative by dint of
1132 using a twos-complement negated operand. */
1133#define TREE_NEGATED_INT(NODE) (TREE_LANG_FLAG_0 (NODE))
1134
a0d5fba7 1135#if 0 /* UNUSED */
8d08fdba
MS		 1136/* Nonzero in any kind of _EXPR or _REF node means that it is a call
1137 to a storage allocation routine. If, later, alternate storage
1138 is found to hold the object, this call can be ignored. */
1139#define TREE_CALLS_NEW(NODE) (TREE_LANG_FLAG_1 (NODE))
a0d5fba7 1140#endif
8d08fdba
MS		 1141
1142/* Nonzero in any kind of _TYPE that uses multiple inheritance
1143 or virtual baseclasses. */
1144#define TYPE_USES_COMPLEX_INHERITANCE(NODE) (TREE_LANG_FLAG_1 (NODE))
1145
a80e4195 1146#if 0 /* UNUSED */
8d2733ca
MS		 1147/* Nonzero in IDENTIFIER_NODE means that this name is not the name the user
1148 gave; it's a DECL_NESTED_TYPENAME. Someone may want to set this on
1149 mangled function names, too, but it isn't currently. */
1150#define TREE_MANGLED(NODE) (TREE_LANG_FLAG_0 (NODE))
a80e4195 1151#endif
8d2733ca 1152
7177d104 1153#if 0 /* UNUSED */
8d08fdba
MS		 1154/* Nonzero in IDENTIFIER_NODE means that this name is overloaded, and
1155 should be looked up in a non-standard way. */
73aad9b9 1156#define DECL_OVERLOADED(NODE) (FOO)
8926095f 1157#endif
8d08fdba
MS		 1158
1159/* Nonzero if this (non-TYPE)_DECL has its virtual attribute set.
1160 For a FUNCTION_DECL, this is when the function is a virtual function.
1161 For a VAR_DECL, this is when the variable is a virtual function table.
1162 For a FIELD_DECL, when the field is the field for the virtual function table.
1163 For an IDENTIFIER_NODE, nonzero if any function with this name
1164 has been declared virtual.
1165
1166 For a _TYPE if it uses virtual functions (or is derived from
1167 one that does). */
1168#define TYPE_VIRTUAL_P(NODE) (TREE_LANG_FLAG_2 (NODE))
1169
d2ad151f
PB		 1170extern int flag_new_for_scope;
1171
1172/* This flag is true of a local VAR_DECL if it was declared in a for
e92cc029 1173 statement, but we are no longer in the scope of the for. */
d2ad151f
PB		 1174#define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (NODE)
1175
1176/* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
1177 if we already emitted a warning about using it. */
1178#define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (NODE)
1179
700f8a87 1180/* This _DECL represents a compiler-generated entity. */
863adfc0 1181#define SET_DECL_ARTIFICIAL(NODE) (DECL_ARTIFICIAL (NODE) = 1)
8d08fdba
MS		 1182
1183/* Record whether a typedef for type `int' was actually `signed int'. */
1184#define C_TYPEDEF_EXPLICITLY_SIGNED(exp) DECL_LANG_FLAG_1 ((exp))
1185
1186/* Nonzero if the type T promotes to itself.
1187 ANSI C states explicitly the list of types that promote;
1188 in particular, short promotes to int even if they have the same width. */
1189#define C_PROMOTING_INTEGER_TYPE_P(t) \
1190 (TREE_CODE ((t)) == INTEGER_TYPE \
1191 && (TYPE_MAIN_VARIANT (t) == char_type_node \
1192 || TYPE_MAIN_VARIANT (t) == signed_char_type_node \
1193 || TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \
1194 || TYPE_MAIN_VARIANT (t) == short_integer_type_node \
1195 || TYPE_MAIN_VARIANT (t) == short_unsigned_type_node))
1196
2986ae00
MS		 1197#define INTEGRAL_CODE_P(CODE) \
1198 (CODE == INTEGER_TYPE || CODE == ENUMERAL_TYPE || CODE == BOOLEAN_TYPE)
1199#define ARITHMETIC_TYPE_P(TYPE) (INTEGRAL_TYPE_P (TYPE) || FLOAT_TYPE_P (TYPE))
1200
8d08fdba
MS		 1201/* Mark which labels are explicitly declared.
1202 These may be shadowed, and may be referenced from nested functions. */
1203#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
1204
1205/* Record whether a type or decl was written with nonconstant size.
1206 Note that TYPE_SIZE may have simplified to a constant. */
1207#define C_TYPE_VARIABLE_SIZE(type) TREE_LANG_FLAG_4 (type)
1208#define C_DECL_VARIABLE_SIZE(type) DECL_LANG_FLAG_8 (type)
1209
1210/* Nonzero for _TYPE means that the _TYPE defines
1211 at least one constructor. */
1212#define TYPE_HAS_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1(NODE))
1213
1214/* When appearing in an INDIRECT_REF, it means that the tree structure
1215 underneath is actually a call to a constructor. This is needed
1216 when the constructor must initialize local storage (which can
1217 be automatically destroyed), rather than allowing it to allocate
1218 space from the heap.
1219
1220 When appearing in a SAVE_EXPR, it means that underneath
1221 is a call to a constructor.
1222
1223 When appearing in a CONSTRUCTOR, it means that it was
1224 a GNU C constructor expression.
1225
1226 When appearing in a FIELD_DECL, it means that this field
1227 has been duly initialized in its constructor. */
1228#define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4(NODE))
1229
a3203465
MS		 1230#define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
1231 && CONSTRUCTOR_ELTS (NODE) == NULL_TREE)
1232
eb66be0e 1233#if 0
8d08fdba
MS		 1234/* Indicates that a NON_LVALUE_EXPR came from a C++ reference.
1235 Used to generate more helpful error message in case somebody
1236 tries to take its address. */
1237#define TREE_REFERENCE_EXPR(NODE) (TREE_LANG_FLAG_3(NODE))
eb66be0e 1238#endif
8d08fdba
MS		 1239
1240/* Nonzero for _TYPE means that the _TYPE defines a destructor. */
1241#define TYPE_HAS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_2(NODE))
1242
f55c7d88 1243#if 0
8d08fdba
MS		 1244/* Nonzero for _TYPE node means that creating an object of this type
1245 will involve a call to a constructor. This can apply to objects
1246 of ARRAY_TYPE if the type of the elements needs a constructor. */
1247#define TYPE_NEEDS_CONSTRUCTING(NODE) (TYPE_LANG_FLAG_3(NODE))
f55c7d88 1248#endif
8d08fdba 1249
f30432d7
MS		 1250/* Nonzero means that an object of this type can not be initialized using
1251 an initializer list. */
1252#define CLASSTYPE_NON_AGGREGATE(NODE) \
1253 (TYPE_LANG_SPECIFIC (NODE)->type_flags.non_aggregate)
1254#define TYPE_NON_AGGREGATE_CLASS(NODE) \
1255 (IS_AGGR_TYPE (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
1256
8d08fdba
MS		 1257/* Nonzero if there is a user-defined X::op=(x&) for this class. */
1258#define TYPE_HAS_REAL_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_real_assign_ref)
1259#define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_complex_assign_ref)
f0e01782 1260#define TYPE_HAS_ABSTRACT_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_abstract_assign_ref)
8d08fdba
MS		 1261#define TYPE_HAS_COMPLEX_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_complex_init_ref)
1262
1263/* Nonzero for _TYPE node means that destroying an object of this type
1264 will involve a call to a destructor. This can apply to objects
1265 of ARRAY_TYPE is the type of the elements needs a destructor. */
1266#define TYPE_NEEDS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_4(NODE))
1267
e8abc66f
MS		 1268/* Nonzero for class type means that initialization of this type can use
1269 a bitwise copy. */
1270#define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
1271 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
1272
1273/* Nonzero for class type means that assignment of this type can use
1274 a bitwise copy. */
1275#define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
1276 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
1277
c11b6f21
MS		 1278#define TYPE_PTRMEM_P(NODE) \
1279 (TREE_CODE (NODE) == POINTER_TYPE \
1280 && TREE_CODE (TREE_TYPE (NODE)) == OFFSET_TYPE)
1281#define TYPE_PTR_P(NODE) \
1282 (TREE_CODE (NODE) == POINTER_TYPE \
1283 && TREE_CODE (TREE_TYPE (NODE)) != OFFSET_TYPE)
1284#define TYPE_PTROB_P(NODE) \
1285 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE \
1286 && TREE_CODE (TREE_TYPE (NODE)) != VOID_TYPE)
1287#define TYPE_PTROBV_P(NODE) \
1288 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE)
1289#define TYPE_PTRFN_P(NODE) \
1290 (TREE_CODE (NODE) == POINTER_TYPE \
1291 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
1292
8d08fdba 1293/* Nonzero for _TYPE node means that this type is a pointer to member
e92cc029 1294 function type. */
8d08fdba
MS		 1295#define TYPE_PTRMEMFUNC_P(NODE) (TREE_CODE(NODE) == RECORD_TYPE && TYPE_LANG_SPECIFIC(NODE)->type_flags.ptrmemfunc_flag)
1296#define TYPE_PTRMEMFUNC_FLAG(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.ptrmemfunc_flag)
1297/* Get the POINTER_TYPE to the METHOD_TYPE associated with this
1298 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
e92cc029 1299 before using this macro. */
8d08fdba
MS		 1300#define TYPE_PTRMEMFUNC_FN_TYPE(NODE) (TREE_TYPE (TYPE_FIELDS (TREE_TYPE (TREE_CHAIN (TREE_CHAIN (TYPE_FIELDS (NODE)))))))
1301/* These are use to manipulate the the canonical RECORD_TYPE from the
e92cc029 1302 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
8d08fdba
MS		 1303#define TYPE_GET_PTRMEMFUNC_TYPE(NODE) ((tree)TYPE_LANG_SPECIFIC(NODE))
1304#define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) (TYPE_LANG_SPECIFIC(NODE) = ((struct lang_type *)(void*)(VALUE)))
e92cc029 1305/* These are to get the delta2 and pfn fields from a TYPE_PTRMEMFUNC_P. */
4dabb379
MS		 1306#define DELTA2_FROM_PTRMEMFUNC(NODE) (build_component_ref (build_component_ref ((NODE), pfn_or_delta2_identifier, NULL_TREE, 0), delta2_identifier, NULL_TREE, 0))
1307#define PFN_FROM_PTRMEMFUNC(NODE) (build_component_ref (build_component_ref ((NODE), pfn_or_delta2_identifier, NULL_TREE, 0), pfn_identifier, NULL_TREE, 0))
8d08fdba 1308
faae18ab 1309/* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
8926095f 1310 specified in its declaration. */
8d08fdba
MS		 1311#define DECL_THIS_EXTERN(NODE) (DECL_LANG_FLAG_2(NODE))
1312
faae18ab
MS		 1313/* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
1314 specified in its declaration. */
1315#define DECL_THIS_STATIC(NODE) (DECL_LANG_FLAG_6(NODE))
1316
8d08fdba
MS		 1317/* Nonzero for SAVE_EXPR if used to initialize a PARM_DECL. */
1318#define PARM_DECL_EXPR(NODE) (TREE_LANG_FLAG_2(NODE))
1319
1320/* Nonzero in FUNCTION_DECL means it is really an operator.
1321 Just used to communicate formatting information to dbxout.c. */
1322#define DECL_OPERATOR(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.operator_attr)
1323
1324#define ANON_UNION_P(NODE) (DECL_NAME (NODE) == 0)
1325
1326#define UNKNOWN_TYPE LANG_TYPE
1327
1328/* Define fields and accessors for nodes representing declared names. */
1329
1330#if 0
1331/* C++: A derived class may be able to directly use the virtual
1332 function table of a base class. When it does so, it may
1333 still have a decl node used to access the virtual function
1334 table (so that variables of this type can initialize their
1335 virtual function table pointers by name). When such thievery
1336 is committed, know exactly which base class's virtual function
1337 table is the one being stolen. This effectively computes the
1338 transitive closure. */
1339#define DECL_VPARENT(NODE) ((NODE)->decl.arguments)
1340#endif
1341
8d08fdba
MS		 1342#define TYPE_WAS_ANONYMOUS(NODE) (TYPE_LANG_SPECIFIC (NODE)->type_flags.was_anonymous)
1343
1344/* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
f84b4be9
JM		 1345
1346/* The format of each node in the DECL_FRIENDLIST is as follows:
1347
1348 The TREE_PURPOSE will be the name of a function, i.e., an
1349 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, the
1350 list of functions with that name which are friends. The
1351 TREE_PURPOSE of each node in this sublist will be error_mark_node,
1352 if the function was declared a friend individually, in which case
1353 the TREE_VALUE will be the function_decl. If, however, all
1354 functions with a given name in a class were declared to be friends,
1355 the TREE_PUROSE will be the class type, and the TREE_VALUE will be
1356 NULL_TREE. */
8d08fdba 1357#define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
8d08fdba
MS		 1358
1359/* The DECL_ACCESS is used to record under which context
1360 special access rules apply. */
1361#define DECL_ACCESS(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.access)
1362
1363/* C++: all of these are overloaded!
1364 These apply to PARM_DECLs and VAR_DECLs. */
1365#define DECL_REFERENCE_SLOT(NODE) ((tree)(NODE)->decl.arguments)
1366#define SET_DECL_REFERENCE_SLOT(NODE,VAL) ((NODE)->decl.arguments=VAL)
1367
8d08fdba 1368/* Accessor macros for C++ template decl nodes. */
f84b4be9
JM		 1369
1370/* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
1371 indicates the level of the template parameters, with 1 being the
1372 outermost set of template parameters. The TREE_VALUE is a vector,
1373 whose elements are the template parameters at each level. Each
1374 element in the vector is a TREE_LIST, whose TREE_VALUE is a
1375 PARM_DECL (if the parameter is a non-type parameter), or a
1376 TYPE_DECL (if the parameter is a type parameter). The TREE_PURPOSE
1377 is the default value, if any. The TEMPLATE_PARM_INDEX for the
1378 parameter is avilable as the DECL_INITIAL (for a PARM_DECL) or as
1379 the TREE_TYPE (for a TYPE_DECL). */
8d08fdba 1380#define DECL_TEMPLATE_PARMS(NODE) DECL_ARGUMENTS(NODE)
98c1c668
JM		 1381#define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
1382 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
1383#define DECL_NTPARMS(NODE) \
1384 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
8d08fdba 1385/* For class templates. */
73aad9b9 1386#define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE(NODE)
8d08fdba
MS		 1387/* For function, method, class-data templates. */
1388#define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT(NODE)
1389#define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX(NODE)
5566b478
MS		 1390#define DECL_TEMPLATE_INJECT(NODE) DECL_INITIAL(NODE)
1391
73b0fce8
KL		 1392/* Nonzero for TEMPLATE_DECL nodes that represents template template
1393 parameters */
1394#define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
1395 (TREE_CODE (NODE) == TEMPLATE_DECL && TREE_TYPE (NODE) \
1396 && TREE_CODE (TREE_TYPE (NODE)) == TEMPLATE_TEMPLATE_PARM)
1397
5566b478
MS		 1398#define DECL_FUNCTION_TEMPLATE_P(NODE) \
1399 (TREE_CODE (NODE) == TEMPLATE_DECL \
1400 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
1401
93cdc044
JM		 1402/* A `primary' template is one that has its own template header. A
1403 member function of a class template is a template, but not primary.
1404 A member template is primary. */
5566b478 1405#define PRIMARY_TEMPLATE_P(NODE) \
98c1c668 1406 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)) == (NODE))
5566b478
MS		 1407
1408#define CLASSTYPE_TEMPLATE_LEVEL(NODE) \
1409 (TREE_INT_CST_HIGH (TREE_PURPOSE (CLASSTYPE_TI_TEMPLATE (NODE))))
8d08fdba 1410
a0a33927
MS		 1411/* Indicates whether or not (and how) a template was expanded for this
1412 FUNCTION_DECL or VAR_DECL.
1413 0=normal declaration, e.g. int min (int, int);
1414 1=implicit template instantiation
1415 2=explicit template specialization, e.g. int min<int> (int, int);
e92cc029 1416 3=explicit template instantiation, e.g. template int min<int> (int, int); */
a0a33927
MS		 1417#define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.use_template)
1418
1419#define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
1420#define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
1421 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
1422
1423#define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
1424#define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
1425#define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
1426 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
1427#define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
1428 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
1429
1430#define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
1431#define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
1432#define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
1433 (CLASSTYPE_USE_TEMPLATE(NODE) == 1)
1434#define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
1435 (CLASSTYPE_USE_TEMPLATE(NODE) = 1)
1436
1437#define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
1438#define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
1439#define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
1440 (CLASSTYPE_USE_TEMPLATE(NODE) == 3)
1441#define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
1442 (CLASSTYPE_USE_TEMPLATE(NODE) = 3)
7177d104 1443
73aad9b9
JM		 1444/* This function may be a guiding decl for a template. */
1445#define DECL_MAYBE_TEMPLATE(NODE) DECL_LANG_FLAG_4 (NODE)
db5ae43f 1446/* We know what we're doing with this decl now. */
e3417fcd 1447#define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
db5ae43f 1448
faae18ab
MS		 1449/* This function was declared inline. This flag controls the linkage
1450 semantics of 'inline'; whether or not the function is inlined is
1451 controlled by DECL_INLINE. */
1452#define DECL_THIS_INLINE(NODE) \
1453 (DECL_LANG_SPECIFIC (NODE)->decl_flags.declared_inline)
1454
1455/* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
1456 so that assemble_external will work properly. So we have this flag to
1457 tell us whether the decl is really not external. */
1458#define DECL_NOT_REALLY_EXTERN(NODE) \
1459 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
db5ae43f 1460
6b5fbb55
MS		 1461#define DECL_REALLY_EXTERN(NODE) \
1462 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
1463
30394414
JM		 1464/* Records the namespace we are in */
1465#define DECL_NAMESPACE(NODE) \
1466 (DECL_LANG_SPECIFIC (NODE) ? DECL_LANG_SPECIFIC (NODE)->decl_flags.in_namespace : 0)
1467#define SET_DECL_NAMESPACE(NODE, val) \
1468 DECL_LANG_SPECIFIC (NODE)->decl_flags.in_namespace = val
1469
77be6f82
JM		 1470/* Used to tell cp_finish_decl that it should approximate comdat linkage
1471 as best it can for this decl. */
1472#define DECL_COMDAT(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.comdat)
1473
39211cd5 1474#define THUNK_DELTA(DECL) ((DECL)->decl.frame_size.i)
8926095f 1475
8d08fdba
MS		 1476/* ...and for unexpanded-parameterized-type nodes. */
1477#define UPT_TEMPLATE(NODE) TREE_PURPOSE(TYPE_VALUES(NODE))
1478#define UPT_PARMS(NODE) TREE_VALUE(TYPE_VALUES(NODE))
1479
42976354
BK		 1480/* An un-parsed default argument looks like an identifier. */
1481#define DEFARG_LENGTH(NODE) IDENTIFIER_LENGTH(NODE)
1482#define DEFARG_POINTER(NODE) IDENTIFIER_POINTER(NODE)
1483
72b7eeff 1484#define builtin_function(NAME, TYPE, CODE, LIBNAME) \
49c249e1 1485 define_function (NAME, TYPE, CODE, (void (*) PROTO((tree)))pushdecl, LIBNAME)
72b7eeff 1486
ad321293
MM		 1487/* These macros provide convenient access to the various _STMT nodes
1488 created when parsing template declarations. */
1489#define IF_COND(NODE) TREE_OPERAND (NODE, 0)
1490#define THEN_CLAUSE(NODE) TREE_OPERAND (NODE, 1)
1491#define ELSE_CLAUSE(NODE) TREE_OPERAND (NODE, 2)
1492#define WHILE_COND(NODE) TREE_OPERAND (NODE, 0)
1493#define WHILE_BODY(NODE) TREE_OPERAND (NODE, 1)
1494#define DO_COND(NODE) TREE_OPERAND (NODE, 0)
1495#define DO_BODY(NODE) TREE_OPERAND (NODE, 1)
1496#define RETURN_EXPR(NODE) TREE_OPERAND (NODE, 0)
1497#define EXPR_STMT_EXPR(NODE) TREE_OPERAND (NODE, 0)
1498#define FOR_INIT_STMT(NODE) TREE_OPERAND (NODE, 0)
1499#define FOR_COND(NODE) TREE_OPERAND (NODE, 1)
1500#define FOR_EXPR(NODE) TREE_OPERAND (NODE, 2)
1501#define FOR_BODY(NODE) TREE_OPERAND (NODE, 3)
1502#define SWITCH_COND(NODE) TREE_OPERAND (NODE, 0)
1503#define SWITCH_BODY(NODE) TREE_OPERAND (NODE, 1)
1504#define CASE_LOW(NODE) TREE_OPERAND (NODE, 0)
1505#define CASE_HIGH(NODE) TREE_OPERAND (NODE, 1)
1506#define GOTO_DESTINATION(NODE) TREE_OPERAND (NODE, 0)
1507#define TRY_STMTS(NODE) TREE_OPERAND (NODE, 0)
1508#define TRY_HANDLERS(NODE) TREE_OPERAND (NODE, 1)
1509#define HANDLER_PARMS(NODE) TREE_OPERAND (NODE, 0)
1510#define HANDLER_BODY(NODE) TREE_OPERAND (NODE, 1)
1511#define COMPOUND_BODY(NODE) TREE_OPERAND (NODE, 0)
1512#define ASM_CV_QUAL(NODE) TREE_OPERAND (NODE, 0)
1513#define ASM_STRING(NODE) TREE_OPERAND (NODE, 1)
1514#define ASM_OUTPUTS(NODE) TREE_OPERAND (NODE, 2)
1515#define ASM_INPUTS(NODE) TREE_OPERAND (NODE, 3)
1516#define ASM_CLOBBERS(NODE) TREE_OPERAND (NODE, 4)
1517
8d08fdba
MS		 1518/* An enumeration of the kind of tags that C++ accepts. */
1519enum tag_types { record_type, class_type, union_type, enum_type,
db5ae43f 1520 signature_type };
8d08fdba
MS		 1521
1522/* Zero means prototype weakly, as in ANSI C (no args means nothing).
1523 Each language context defines how this variable should be set. */
1524extern int strict_prototype;
1525extern int strict_prototypes_lang_c, strict_prototypes_lang_cplusplus;
1526
1527/* Non-zero means that if a label exists, and no other identifier
1528 applies, use the value of the label. */
1529extern int flag_labels_ok;
1530
1531/* Non-zero means to collect statistics which might be expensive
1532 and to print them when we are done. */
1533extern int flag_detailed_statistics;
1534
1535/* Non-zero means warn in function declared in derived class has the
1536 same name as a virtual in the base class, but fails to match the
1537 type signature of any virtual function in the base class. */
1538extern int warn_overloaded_virtual;
1539
1540/* in c-common.c */
1541extern void declare_function_name PROTO((void));
820b778a 1542extern void decl_attributes PROTO((tree, tree, tree));
8d08fdba
MS		 1543extern void init_function_format_info PROTO((void));
1544extern void record_function_format PROTO((tree, tree, int, int, int));
1545extern void check_function_format PROTO((tree, tree, tree));
1546/* Print an error message for invalid operands to arith operation CODE.
1547 NOP_EXPR is used as a special case (see truthvalue_conversion). */
1548extern void binary_op_error PROTO((enum tree_code));
f376e137 1549extern tree cp_build_type_variant PROTO((tree, int, int));
8d08fdba
MS		 1550extern void c_expand_expr_stmt PROTO((tree));
1551/* Validate the expression after `case' and apply default promotions. */
1552extern tree check_case_value PROTO((tree));
1553/* Concatenate a list of STRING_CST nodes into one STRING_CST. */
1554extern tree combine_strings PROTO((tree));
1555extern void constant_expression_warning PROTO((tree));
1556extern tree convert_and_check PROTO((tree, tree));
1557extern void overflow_warning PROTO((tree));
1558extern void unsigned_conversion_warning PROTO((tree, tree));
1559/* Read the rest of the current #-directive line. */
da20811c 1560extern char *get_directive_line PROTO((FILE *));
8d08fdba
MS		 1561/* Subroutine of build_binary_op, used for comparison operations.
1562 See if the operands have both been converted from subword integer types
1563 and, if so, perhaps change them both back to their original type. */
1564extern tree shorten_compare PROTO((tree *, tree *, tree *, enum tree_code *));
1565/* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
e92cc029 1566 or validate its data type for an `if' or `while' statement or ?..: exp. */
8d08fdba
MS		 1567extern tree truthvalue_conversion PROTO((tree));
1568extern tree type_for_mode PROTO((enum machine_mode, int));
1569extern tree type_for_size PROTO((unsigned, int));
1570
51c184be 1571/* in decl{2}.c */
8d08fdba
MS		 1572extern tree void_list_node;
1573extern tree void_zero_node;
1574extern tree default_function_type;
1575extern tree vtable_entry_type;
1576extern tree sigtable_entry_type;
db5ae43f 1577extern tree __t_desc_type_node;
5566b478 1578#if 0
db5ae43f 1579extern tree __tp_desc_type_node;
5566b478 1580#endif
db5ae43f
MS		 1581extern tree __access_mode_type_node;
1582extern tree __bltn_desc_type_node, __user_desc_type_node;
1583extern tree __class_desc_type_node, __attr_desc_type_node;
1584extern tree __ptr_desc_type_node, __func_desc_type_node;
1585extern tree __ptmf_desc_type_node, __ptmd_desc_type_node;
1586extern tree type_info_type_node;
8d08fdba
MS		 1587extern tree class_star_type_node;
1588extern tree this_identifier;
fc378698 1589extern tree ctor_identifier, dtor_identifier;
8d08fdba
MS		 1590extern tree pfn_identifier;
1591extern tree index_identifier;
1592extern tree delta_identifier;
1593extern tree delta2_identifier;
1594extern tree pfn_or_delta2_identifier;
46b49f6c 1595extern tree tag_identifier;
4abea095 1596extern tree vt_off_identifier;
8d08fdba
MS		 1597
1598/* A node that is a list (length 1) of error_mark_nodes. */
1599extern tree error_mark_list;
1600
0776059e 1601extern tree ptr_type_node;
8d08fdba 1602extern tree class_type_node, record_type_node, union_type_node, enum_type_node;
db5ae43f 1603extern tree unknown_type_node;
8d08fdba
MS		 1604extern tree opaque_type_node, signature_type_node;
1605
700f8a87 1606/* Node for "pointer to (virtual) function".
e92cc029 1607 This may be distinct from ptr_type_node so gdb can distinguish them. */
700f8a87
MS		 1608#define vfunc_ptr_type_node \
1609 (flag_vtable_thunks ? vtable_entry_type : ptr_type_node)
1610
8d08fdba
MS		 1611/* Array type `(void *)[]' */
1612extern tree vtbl_type_node;
1613extern tree delta_type_node;
6633d636 1614extern tree std_node;
8d08fdba
MS		 1615
1616extern tree long_long_integer_type_node, long_long_unsigned_type_node;
1617/* For building calls to `delete'. */
1618extern tree integer_two_node, integer_three_node;
28ed4616 1619extern tree boolean_type_node, boolean_true_node, boolean_false_node;
8d08fdba 1620
d11ad92e
MS		 1621extern tree null_node;
1622
51c184be 1623/* in pt.c */
5566b478
MS		 1624
1625extern tree current_template_parms;
1626extern HOST_WIDE_INT processing_template_decl;
75650646 1627extern tree last_tree;
8d08fdba
MS		 1628
1629/* The template currently being instantiated, and where the instantiation
1630 was triggered. */
1631struct tinst_level
1632{
5566b478 1633 tree decl;
8d08fdba
MS		 1634 int line;
1635 char *file;
1636 struct tinst_level *next;
1637};
1638
5566b478
MS		 1639extern int minimal_parse_mode;
1640
51c184be 1641/* in class.c */
8d08fdba
MS		 1642extern tree current_class_name;
1643extern tree current_class_type;
824b9a4c 1644extern tree current_class_ptr;
8d08fdba 1645extern tree previous_class_type;
824b9a4c 1646extern tree current_class_ref;
b4c4a9ec 1647extern int current_class_depth;
8d08fdba
MS		 1648
1649extern tree current_lang_name, lang_name_cplusplus, lang_name_c;
1650
1651/* Points to the name of that function. May not be the DECL_NAME
1652 of CURRENT_FUNCTION_DECL due to overloading */
1653extern tree original_function_name;
1654
51c184be 1655/* in init.c */
8d08fdba
MS		 1656extern tree global_base_init_list;
1657extern tree current_base_init_list, current_member_init_list;
1658
8d08fdba
MS		 1659extern int current_function_just_assigned_this;
1660extern int current_function_parms_stored;
1661\f
1662/* Here's where we control how name mangling takes place. */
1663
1664#define OPERATOR_ASSIGN_FORMAT "__a%s"
1665#define OPERATOR_FORMAT "__%s"
1666#define OPERATOR_TYPENAME_FORMAT "__op"
1667#define OPERATOR_TYPENAME_P(ID_NODE) \
1668 (IDENTIFIER_POINTER (ID_NODE)[0] == '_' \
1669 && IDENTIFIER_POINTER (ID_NODE)[1] == '_' \
1670 && IDENTIFIER_POINTER (ID_NODE)[2] == 'o' \
1671 && IDENTIFIER_POINTER (ID_NODE)[3] == 'p')
1672
1673
1674/* Cannot use '$' up front, because this confuses gdb
1675 (names beginning with '$' are gdb-local identifiers).
1676
1677 Note that all forms in which the '$' is significant are long enough
1678 for direct indexing (meaning that if we know there is a '$'
1679 at a particular location, we can index into the string at
1680 any other location that provides distinguishing characters). */
1681
1682/* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
1683 doesn't allow '$' in symbol names. */
1684#ifndef NO_DOLLAR_IN_LABEL
1685
1686#define JOINER '$'
1687
1688#define VPTR_NAME "$v"
1689#define THROW_NAME "$eh_throw"
1690#define DESTRUCTOR_DECL_PREFIX "_$_"
1691#define AUTO_VTABLE_NAME "__vtbl$me__"
1692#define AUTO_TEMP_NAME "_$tmp_"
1693#define AUTO_TEMP_FORMAT "_$tmp_%d"
1694#define VTABLE_BASE "$vb"
a0a33927 1695#define VTABLE_NAME_FORMAT (flag_vtable_thunks ? "__vt_%s" : "_vt$%s")
8d08fdba
MS		 1696#define VFIELD_BASE "$vf"
1697#define VFIELD_NAME "_vptr$"
1698#define VFIELD_NAME_FORMAT "_vptr$%s"
1699#define VBASE_NAME "_vb$"
1700#define VBASE_NAME_FORMAT "_vb$%s"
1701#define STATIC_NAME_FORMAT "_%s$%s"
1702#define ANON_AGGRNAME_FORMAT "$_%d"
1703
1704#else /* NO_DOLLAR_IN_LABEL */
1705
1706#ifndef NO_DOT_IN_LABEL
1707
1708#define JOINER '.'
1709
1710#define VPTR_NAME ".v"
1711#define THROW_NAME ".eh_throw"
1712#define DESTRUCTOR_DECL_PREFIX "_._"
1713#define AUTO_VTABLE_NAME "__vtbl.me__"
1714#define AUTO_TEMP_NAME "_.tmp_"
1715#define AUTO_TEMP_FORMAT "_.tmp_%d"
1716#define VTABLE_BASE ".vb"
a0a33927 1717#define VTABLE_NAME_FORMAT (flag_vtable_thunks ? "__vt_%s" : "_vt.%s")
8d08fdba
MS		 1718#define VFIELD_BASE ".vf"
1719#define VFIELD_NAME "_vptr."
1720#define VFIELD_NAME_FORMAT "_vptr.%s"
1721#define VBASE_NAME "_vb."
1722#define VBASE_NAME_FORMAT "_vb.%s"
1723#define STATIC_NAME_FORMAT "_%s.%s"
1724
1725#define ANON_AGGRNAME_FORMAT "._%d"
1726
1727#else /* NO_DOT_IN_LABEL */
1728
1729#define VPTR_NAME "__vptr"
1730#define VPTR_NAME_P(ID_NODE) \
1731 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VPTR_NAME, sizeof (VPTR_NAME) - 1))
1732#define THROW_NAME "__eh_throw"
1733#define DESTRUCTOR_DECL_PREFIX "__destr_"
1734#define DESTRUCTOR_NAME_P(ID_NODE) \
1735 (!strncmp (IDENTIFIER_POINTER (ID_NODE), DESTRUCTOR_DECL_PREFIX, \
1736 sizeof (DESTRUCTOR_DECL_PREFIX) - 1))
1737#define IN_CHARGE_NAME "__in_chrg"
1738#define AUTO_VTABLE_NAME "__vtbl_me__"
1739#define AUTO_TEMP_NAME "__tmp_"
1740#define TEMP_NAME_P(ID_NODE) \
1741 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
1742 sizeof (AUTO_TEMP_NAME) - 1))
1743#define AUTO_TEMP_FORMAT "__tmp_%d"
1744#define VTABLE_BASE "__vtb"
1745#define VTABLE_NAME "__vt_"
a0a33927 1746#define VTABLE_NAME_FORMAT (flag_vtable_thunks ? "__vt_%s" : "_vt_%s")
8d08fdba
MS		 1747#define VTABLE_NAME_P(ID_NODE) \
1748 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
1749 sizeof (VTABLE_NAME) - 1))
1750#define VFIELD_BASE "__vfb"
1751#define VFIELD_NAME "__vptr_"
1752#define VFIELD_NAME_P(ID_NODE) \
1753 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
1754 sizeof (VFIELD_NAME) - 1))
1755#define VFIELD_NAME_FORMAT "_vptr_%s"
1756#define VBASE_NAME "__vb_"
1757#define VBASE_NAME_P(ID_NODE) \
1758 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VBASE_NAME, \
1759 sizeof (VBASE_NAME) - 1))
1760#define VBASE_NAME_FORMAT "__vb_%s"
1761#define STATIC_NAME_FORMAT "__static_%s_%s"
1762
1763#define ANON_AGGRNAME_PREFIX "__anon_"
1764#define ANON_AGGRNAME_P(ID_NODE) \
1765 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
1766 sizeof (ANON_AGGRNAME_PREFIX) - 1))
1767#define ANON_AGGRNAME_FORMAT "__anon_%d"
1768#define ANON_PARMNAME_FORMAT "__%d"
1769#define ANON_PARMNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == '_' \
1770 && IDENTIFIER_POINTER (ID_NODE)[1] == '_' \
1771 && IDENTIFIER_POINTER (ID_NODE)[2] <= '9')
1772
1773#endif /* NO_DOT_IN_LABEL */
1774#endif /* NO_DOLLAR_IN_LABEL */
1775
1776#define THIS_NAME "this"
1777#define DESTRUCTOR_NAME_FORMAT "~%s"
1778#define FILE_FUNCTION_PREFIX_LEN 9
fc378698
MS		 1779#define CTOR_NAME "__ct"
1780#define DTOR_NAME "__dt"
8d08fdba
MS		 1781
1782#define IN_CHARGE_NAME "__in_chrg"
1783
1784#define VTBL_PTR_TYPE "__vtbl_ptr_type"
1785#define VTABLE_DELTA_NAME "__delta"
1786#define VTABLE_INDEX_NAME "__index"
1787#define VTABLE_PFN_NAME "__pfn"
1788#define VTABLE_DELTA2_NAME "__delta2"
1789
1790#define SIGNATURE_FIELD_NAME "__s_"
1791#define SIGNATURE_FIELD_NAME_FORMAT "__s_%s"
1792#define SIGNATURE_OPTR_NAME "__optr"
1793#define SIGNATURE_SPTR_NAME "__sptr"
8d08fdba
MS		 1794#define SIGNATURE_POINTER_NAME "__sp_"
1795#define SIGNATURE_POINTER_NAME_FORMAT "__%s%ssp_%s"
1796#define SIGNATURE_REFERENCE_NAME "__sr_"
1797#define SIGNATURE_REFERENCE_NAME_FORMAT "__%s%ssr_%s"
1798
1799#define SIGTABLE_PTR_TYPE "__sigtbl_ptr_type"
1800#define SIGTABLE_NAME_FORMAT "__st_%s_%s"
1801#define SIGTABLE_NAME_FORMAT_LONG "__st_%s_%s_%d"
46b49f6c 1802#define SIGTABLE_TAG_NAME "__tag"
4abea095
GB		 1803#define SIGTABLE_VB_OFF_NAME "__vb_off"
1804#define SIGTABLE_VT_OFF_NAME "__vt_off"
8d08fdba
MS		 1805#define EXCEPTION_CLEANUP_NAME "exception cleanup"
1806
1807#define THIS_NAME_P(ID_NODE) (strcmp(IDENTIFIER_POINTER (ID_NODE), "this") == 0)
1808
1809#if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
1810
1811#define VPTR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
1812 && IDENTIFIER_POINTER (ID_NODE)[1] == 'v')
1813#define DESTRUCTOR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == JOINER \
1814 && IDENTIFIER_POINTER (ID_NODE)[2] == '_')
1815
1816#define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
1817 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
1818 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
1819
1820#define VBASE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
1821 && IDENTIFIER_POINTER (ID_NODE)[2] == 'b' \
1822 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
1823
1824#define TEMP_NAME_P(ID_NODE) (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
1825#define VFIELD_NAME_P(ID_NODE) (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
1826
1827/* For anonymous aggregate types, we need some sort of name to
1828 hold on to. In practice, this should not appear, but it should
1829 not be harmful if it does. */
1830#define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
1831 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
1832#define ANON_PARMNAME_FORMAT "_%d"
1833#define ANON_PARMNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == '_' \
1834 && IDENTIFIER_POINTER (ID_NODE)[1] <= '9')
1835#endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
1836\f
1837/* Define the sets of attributes that member functions and baseclasses
1838 can have. These are sensible combinations of {public,private,protected}
1839 cross {virtual,non-virtual}. */
1840
e92cc029 1841/* in class.c. */
be99da77
MS		 1842extern tree access_default_node; /* 0 */
1843extern tree access_public_node; /* 1 */
1844extern tree access_protected_node; /* 2 */
1845extern tree access_private_node; /* 3 */
1846extern tree access_default_virtual_node; /* 4 */
1847extern tree access_public_virtual_node; /* 5 */
d8b55a76
JM		 1848extern tree access_protected_virtual_node; /* 6 */
1849extern tree access_private_virtual_node; /* 7 */
8d08fdba 1850
8d08fdba
MS		 1851/* Things for handling inline functions. */
1852
1853struct pending_inline
1854{
1855 struct pending_inline *next; /* pointer to next in chain */
1856 int lineno; /* line number we got the text from */
1857 char *filename; /* name of file we were processing */
1858 tree fndecl; /* FUNCTION_DECL that brought us here */
1859 int token; /* token we were scanning */
1860 int token_value; /* value of token we were scanning (YYSTYPE) */
1861
1862 char *buf; /* pointer to character stream */
1863 int len; /* length of stream */
8d08fdba
MS		 1864 unsigned int can_free : 1; /* free this after we're done with it? */
1865 unsigned int deja_vu : 1; /* set iff we don't want to see it again. */
1866 unsigned int interface : 2; /* 0=interface 1=unknown 2=implementation */
1867};
1868
51c184be 1869/* in method.c */
8d08fdba
MS		 1870extern struct pending_inline *pending_inlines;
1871
1872/* 1 for -fall-virtual: make every member function (except
1873 constructors) lay down in the virtual function table.
1874 Calls can then either go through the virtual function table or not,
1875 depending on whether we know what function will actually be called. */
1876
1877extern int flag_all_virtual;
1878
1879/* Positive values means that we cannot make optimizing assumptions about
1880 `this'. Negative values means we know `this' to be of static type. */
1881
1882extern int flag_this_is_variable;
1883
1884/* Controls whether enums and ints freely convert.
1885 1 means with complete freedom.
1886 0 means enums can convert to ints, but not vice-versa. */
1887
1888extern int flag_int_enum_equivalence;
1889
db5ae43f 1890/* Nonzero means generate 'rtti' that give run-time type information. */
8d08fdba 1891
db5ae43f 1892extern int flag_rtti;
8d08fdba 1893
a0a33927
MS		 1894/* Nonzero means do emit exported implementations of functions even if
1895 they can be inlined. */
1896
1897extern int flag_implement_inlines;
1898
8d08fdba
MS		 1899/* Nonzero means templates obey #pragma interface and implementation. */
1900
1901extern int flag_external_templates;
1902
1903/* Nonzero means templates are emitted where they are instantiated. */
1904
1905extern int flag_alt_external_templates;
1906
ddd5a7c1 1907/* Nonzero means implicit template instantiations are emitted. */
a0a33927
MS		 1908
1909extern int flag_implicit_templates;
1910
72b7eeff
MS		 1911/* Nonzero if we want to emit defined symbols with common-like linkage as
1912 weak symbols where possible, in order to conform to C++ semantics.
1913 Otherwise, emit them as local symbols. */
1914
1915extern int flag_weak;
1916
5566b478
MS		 1917/* Nonzero if we're done parsing and into end-of-file activities. */
1918
1919extern int at_eof;
1920
8d08fdba
MS		 1921enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
1922
8d08fdba
MS		 1923/* The following two can be derived from the previous one */
1924extern tree current_class_name; /* IDENTIFIER_NODE: name of current class */
1925extern tree current_class_type; /* _TYPE: the type of the current class */
1926
1927/* Some macros for char-based bitfields. */
1928#define B_SET(a,x) (a[x>>3] |= (1 << (x&7)))
1929#define B_CLR(a,x) (a[x>>3] &= ~(1 << (x&7)))
1930#define B_TST(a,x) (a[x>>3] & (1 << (x&7)))
1931
1932/* These are uses as bits in flags passed to build_method_call
1933 to control its error reporting behavior.
1934
1935 LOOKUP_PROTECT means flag access violations.
1936 LOOKUP_COMPLAIN mean complain if no suitable member function
1937 matching the arguments is found.
1938 LOOKUP_NORMAL is just a combination of these two.
8d08fdba
MS		 1939 LOOKUP_NONVIRTUAL means make a direct call to the member function found
1940 LOOKUP_GLOBAL means search through the space of overloaded functions,
1941 as well as the space of member functions.
1942 LOOKUP_HAS_IN_CHARGE means that the "in charge" variable is already
1943 in the parameter list.
6060a796 1944 LOOKUP_ONLYCONVERTING means that non-conversion constructors are not tried.
9a3b49ac
MS		 1945 DIRECT_BIND means that if a temporary is created, it should be created so
1946 that it lives as long as the current variable bindings; otherwise it
1947 only lives until the end of the complete-expression.
878cd289
MS		 1948 LOOKUP_SPECULATIVELY means return NULL_TREE if we cannot find what we are
1949 after. Note, LOOKUP_COMPLAIN is checked and error messages printed
1950 before LOOKUP_SPECULATIVELY is checked.
8d08fdba
MS		 1951 LOOKUP_NO_CONVERSION means that user-defined conversions are not
1952 permitted. Built-in conversions are permitted.
c73964b2
MS		 1953 LOOKUP_DESTRUCTOR means explicit call to destructor.
1954 LOOKUP_NO_TEMP_BIND means temporaries will not be bound to references. */
8d08fdba
MS		 1955
1956#define LOOKUP_PROTECT (1)
1957#define LOOKUP_COMPLAIN (2)
1958#define LOOKUP_NORMAL (3)
4ac14744 1959/* #define LOOKUP_UNUSED (4) */
8d08fdba
MS		 1960#define LOOKUP_NONVIRTUAL (8)
1961#define LOOKUP_GLOBAL (16)
1962#define LOOKUP_HAS_IN_CHARGE (32)
1963#define LOOKUP_SPECULATIVELY (64)
db5ae43f 1964#define LOOKUP_ONLYCONVERTING (128)
9a3b49ac 1965#define DIRECT_BIND (256)
8d08fdba
MS		 1966#define LOOKUP_NO_CONVERSION (512)
1967#define LOOKUP_DESTRUCTOR (512)
c73964b2 1968#define LOOKUP_NO_TEMP_BIND (1024)
8d08fdba 1969
a4443a08
MS		 1970/* These flags are used by the conversion code.
1971 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
1972 CONV_STATIC : Perform the explicit conversions for static_cast.
1973 CONV_CONST : Perform the explicit conversions for const_cast.
1974 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
6060a796 1975 CONV_PRIVATE : Perform upcasts to private bases.
8ccc31eb
MS		 1976 CONV_FORCE_TEMP : Require a new temporary when converting to the same
1977 aggregate type. */
a4443a08
MS		 1978
1979#define CONV_IMPLICIT 1
1980#define CONV_STATIC 2
1981#define CONV_CONST 4
1982#define CONV_REINTERPRET 8
1983#define CONV_PRIVATE 16
faf5394a 1984/* #define CONV_NONCONVERTING 32 */
8ccc31eb
MS		 1985#define CONV_FORCE_TEMP 64
1986#define CONV_STATIC_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_FORCE_TEMP)
a4443a08
MS		 1987#define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
1988 | CONV_REINTERPRET)
1989#define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
8ccc31eb 1990 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
a4443a08 1991
b7484fbe
MS		 1992/* Used by build_expr_type_conversion to indicate which types are
1993 acceptable as arguments to the expression under consideration. */
1994
1995#define WANT_INT 1 /* integer types, including bool */
1996#define WANT_FLOAT 2 /* floating point types */
1997#define WANT_ENUM 4 /* enumerated types */
1998#define WANT_POINTER 8 /* pointer types */
1999#define WANT_NULL 16 /* null pointer constant */
2000
2001#define WANT_ARITH (WANT_INT | WANT_FLOAT)
2002
8d08fdba
MS		 2003#define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2004#define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2005
f84b4be9
JM		 2006/* These macros are used to access a TEMPLATE_PARM_INDEX. */
2007#define TEMPLATE_PARM_IDX(NODE) (((template_parm_index*) NODE)->index)
2008#define TEMPLATE_PARM_LEVEL(NODE) (((template_parm_index*) NODE)->level)
2009#define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
2010#define TEMPLATE_PARM_ORIG_LEVEL(NODE) (((template_parm_index*) NODE)->orig_level)
2011#define TEMPLATE_PARM_DECL(NODE) (((template_parm_index*) NODE)->decl)
2012
73b0fce8
KL		 2013/* These macros are for accessing the fields of TEMPLATE_TYPE_PARM
2014 and TEMPLATE_TEMPLATE_PARM nodes. */
f84b4be9
JM		 2015#define TEMPLATE_TYPE_PARM_INDEX(NODE) (TYPE_FIELDS (NODE))
2016#define TEMPLATE_TYPE_IDX(NODE) \
2017 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2018#define TEMPLATE_TYPE_LEVEL(NODE) \
2019 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2020#define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
2021 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2022#define TEMPLATE_TYPE_DECL(NODE) \
2023 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
8d08fdba 2024
51c184be 2025/* in lex.c */
8d08fdba
MS		 2026/* Indexed by TREE_CODE, these tables give C-looking names to
2027 operators represented by TREE_CODES. For example,
2028 opname_tab[(int) MINUS_EXPR] == "-". */
2029extern char **opname_tab, **assignop_tab;
2030\f
51c184be 2031/* in call.c */
824b9a4c 2032extern int get_arglist_len_in_bytes PROTO((tree));
8d08fdba 2033
8d08fdba 2034extern tree build_vfield_ref PROTO((tree, tree));
8d08fdba
MS		 2035extern tree resolve_scope_to_name PROTO((tree, tree));
2036extern tree build_scoped_method_call PROTO((tree, tree, tree, tree));
824b9a4c
MS		 2037extern tree build_addr_func PROTO((tree));
2038extern tree build_call PROTO((tree, tree, tree));
8d08fdba 2039extern tree build_method_call PROTO((tree, tree, tree, tree, int));
824b9a4c
MS		 2040extern int null_ptr_cst_p PROTO((tree));
2041extern tree type_decays_to PROTO((tree));
faf5394a 2042extern tree build_user_type_conversion PROTO((tree, tree, int));
9babbf20 2043extern tree build_new_function_call PROTO((tree, tree));
c73964b2 2044extern tree build_new_op PROTO((enum tree_code, int, tree, tree, tree));
da4768fe
JM		 2045extern tree build_op_new_call PROTO((enum tree_code, tree, tree, int));
2046extern tree build_op_delete_call PROTO((enum tree_code, tree, tree, int));
824b9a4c
MS		 2047extern int can_convert PROTO((tree, tree));
2048extern int can_convert_arg PROTO((tree, tree, tree));
38afd588 2049extern void enforce_access PROTO((tree, tree));
8d08fdba 2050
51c184be 2051/* in class.c */
8d08fdba 2052extern tree build_vbase_path PROTO((enum tree_code, tree, tree, tree, int));
6b5fbb55 2053extern tree build_vtbl_ref PROTO((tree, tree));
8d08fdba
MS		 2054extern tree build_vfn_ref PROTO((tree *, tree, tree));
2055extern void add_method PROTO((tree, tree *, tree));
51c184be 2056extern tree get_vfield_offset PROTO((tree));
8d08fdba 2057extern void duplicate_tag_error PROTO((tree));
2ee887f2 2058extern tree finish_struct PROTO((tree, tree, tree, int));
6467930b 2059extern tree finish_struct_1 PROTO((tree, int));
5566b478 2060extern tree finish_struct_methods PROTO((tree, tree, int));
8d08fdba
MS		 2061extern int resolves_to_fixed_type_p PROTO((tree, int *));
2062extern void init_class_processing PROTO((void));
2063extern void pushclass PROTO((tree, int));
2064extern void popclass PROTO((int));
2065extern void push_nested_class PROTO((tree, int));
2066extern void pop_nested_class PROTO((int));
2067extern void push_lang_context PROTO((tree));
2068extern void pop_lang_context PROTO((void));
8d08fdba
MS		 2069extern tree instantiate_type PROTO((tree, tree, int));
2070extern void print_class_statistics PROTO((void));
2071extern void maybe_push_cache_obstack PROTO((void));
f30432d7 2072extern unsigned HOST_WIDE_INT skip_rtti_stuff PROTO((tree *));
c91a56d2 2073extern tree build_self_reference PROTO((void));
49c249e1 2074extern void warn_hidden PROTO((tree));
8d08fdba 2075
51c184be 2076/* in cvt.c */
a4443a08 2077extern tree convert_to_reference PROTO((tree, tree, int, int, tree));
8d08fdba 2078extern tree convert_from_reference PROTO((tree));
8d08fdba 2079extern tree convert_pointer_to_real PROTO((tree, tree));
824b9a4c 2080extern tree convert_pointer_to PROTO((tree, tree));
37c46b43
MS		 2081extern tree ocp_convert PROTO((tree, tree, int, int));
2082extern tree cp_convert PROTO((tree, tree));
824b9a4c 2083extern tree convert PROTO((tree, tree));
6060a796 2084extern tree convert_force PROTO((tree, tree, int));
8d08fdba 2085extern tree build_type_conversion PROTO((enum tree_code, tree, tree, int));
b7484fbe 2086extern tree build_expr_type_conversion PROTO((int, tree, int));
39211cd5 2087extern tree type_promotes_to PROTO((tree));
75650646 2088extern tree perform_qualification_conversions PROTO((tree, tree));
8d08fdba 2089
51c184be 2090/* decl.c */
824b9a4c 2091/* resume_binding_level */
8d08fdba 2092extern int global_bindings_p PROTO((void));
a9aedbc2 2093extern int toplevel_bindings_p PROTO((void));
8d08fdba
MS		 2094extern void keep_next_level PROTO((void));
2095extern int kept_level_p PROTO((void));
2096extern void declare_parm_level PROTO((void));
8d08fdba
MS		 2097extern void declare_pseudo_global_level PROTO((void));
2098extern int pseudo_global_level_p PROTO((void));
824b9a4c 2099extern void set_class_shadows PROTO((tree));
8d08fdba 2100extern void pushlevel PROTO((int));
824b9a4c 2101extern void note_level_for_for PROTO((void));
8d08fdba
MS		 2102extern void pushlevel_temporary PROTO((int));
2103extern tree poplevel PROTO((int, int, int));
49c249e1 2104extern void resume_level PROTO((struct binding_level *));
8d08fdba
MS		 2105extern void delete_block PROTO((tree));
2106extern void insert_block PROTO((tree));
2107extern void add_block_current_level PROTO((tree));
2108extern void set_block PROTO((tree));
2109extern void pushlevel_class PROTO((void));
700f8a87 2110extern tree poplevel_class PROTO((int));
8d08fdba 2111extern void print_binding_stack PROTO((void));
49c249e1 2112extern void print_binding_level PROTO((struct binding_level *));
824b9a4c
MS		 2113extern void push_namespace PROTO((tree));
2114extern void pop_namespace PROTO((void));
2115extern void maybe_push_to_top_level PROTO((int));
8d08fdba
MS		 2116extern void push_to_top_level PROTO((void));
2117extern void pop_from_top_level PROTO((void));
2118extern void set_identifier_type_value PROTO((tree, tree));
8926095f 2119extern void pop_everything PROTO((void));
8d08fdba
MS		 2120extern void pushtag PROTO((tree, tree, int));
2121extern tree make_anon_name PROTO((void));
2122extern void clear_anon_tags PROTO((void));
824b9a4c
MS		 2123extern int decls_match PROTO((tree, tree));
2124extern int duplicate_decls PROTO((tree, tree));
8d08fdba
MS		 2125extern tree pushdecl PROTO((tree));
2126extern tree pushdecl_top_level PROTO((tree));
8d08fdba 2127extern tree pushdecl_class_level PROTO((tree));
bd6dd845 2128#if 0
5566b478 2129extern void pushdecl_nonclass_level PROTO((tree));
bd6dd845 2130#endif
824b9a4c 2131extern void push_class_level_binding PROTO((tree, tree));
8d08fdba 2132extern int overloaded_globals_p PROTO((tree));
8d08fdba
MS		 2133extern tree implicitly_declare PROTO((tree));
2134extern tree lookup_label PROTO((tree));
2135extern tree shadow_label PROTO((tree));
2136extern tree define_label PROTO((char *, int, tree));
824b9a4c
MS		 2137extern void push_switch PROTO((void));
2138extern void pop_switch PROTO((void));
8d08fdba
MS		 2139extern void define_case_label PROTO((tree));
2140extern tree getdecls PROTO((void));
2141extern tree gettags PROTO((void));
bd6dd845 2142#if 0
8d08fdba 2143extern void set_current_level_tags_transparency PROTO((int));
bd6dd845 2144#endif
30394414 2145extern tree binding_for_name PROTO((tree, tree));
a9aedbc2 2146extern tree lookup_namespace_name PROTO((tree, tree));
824b9a4c
MS		 2147extern tree make_typename_type PROTO((tree, tree));
2148extern tree lookup_name_nonclass PROTO((tree));
2149extern tree lookup_name PROTO((tree, int));
8d08fdba 2150extern tree lookup_name_current_level PROTO((tree));
30394414
JM		 2151extern tree lookup_using_namespace PROTO((tree,tree,tree,tree));
2152extern tree qualified_lookup_using_namespace PROTO((tree,tree));
824b9a4c 2153extern tree auto_function PROTO((tree, tree, enum built_in_function));
8d08fdba 2154extern void init_decl_processing PROTO((void));
5566b478 2155extern int init_type_desc PROTO((void));
49c249e1
JM		 2156extern tree define_function
2157 PROTO((char *, tree, enum built_in_function,
2158 void (*) (tree), char *));
8d08fdba 2159extern void shadow_tag PROTO((tree));
8d08fdba 2160extern tree groktypename PROTO((tree));
c11b6f21 2161extern tree start_decl PROTO((tree, tree, int));
824b9a4c 2162extern void start_decl_1 PROTO((tree));
b3417a04 2163extern void cp_finish_decl PROTO((tree, tree, tree, int, int));
824b9a4c 2164extern void finish_decl PROTO((tree, tree, tree));
8d08fdba
MS		 2165extern void expand_static_init PROTO((tree, tree));
2166extern int complete_array_type PROTO((tree, tree, int));
2167extern tree build_ptrmemfunc_type PROTO((tree));
f30432d7 2168/* the grokdeclarator prototype is in decl.h */
8926095f 2169extern int parmlist_is_exprlist PROTO((tree));
824b9a4c
MS		 2170extern int copy_args_p PROTO((tree));
2171extern int grok_ctor_properties PROTO((tree, tree));
2172extern void grok_op_properties PROTO((tree, int, int));
8d08fdba 2173extern tree xref_tag PROTO((tree, tree, tree, int));
fc378698 2174extern tree xref_tag_from_type PROTO((tree, tree, int));
8ccc31eb 2175extern void xref_basetypes PROTO((tree, tree, tree, tree));
8d08fdba
MS		 2176extern tree start_enum PROTO((tree));
2177extern tree finish_enum PROTO((tree, tree));
2178extern tree build_enumerator PROTO((tree, tree));
86052cc3 2179extern tree grok_enum_decls PROTO((tree));
c11b6f21 2180extern int start_function PROTO((tree, tree, tree, int));
f30432d7 2181extern void expand_start_early_try_stmts PROTO((void));
824b9a4c 2182extern void store_parm_decls PROTO((void));
8d08fdba 2183extern void store_return_init PROTO((tree, tree));
db5ae43f 2184extern void finish_function PROTO((int, int, int));
c11b6f21 2185extern tree start_method PROTO((tree, tree));
8d08fdba
MS		 2186extern tree finish_method PROTO((tree));
2187extern void hack_incomplete_structures PROTO((tree));
c73964b2 2188extern tree maybe_build_cleanup_and_delete PROTO((tree));
824b9a4c 2189extern tree maybe_build_cleanup PROTO((tree));
8d08fdba
MS		 2190extern void cplus_expand_expr_stmt PROTO((tree));
2191extern void finish_stmt PROTO((void));
5566b478
MS		 2192extern int id_in_current_class PROTO((tree));
2193extern void push_cp_function_context PROTO((tree));
2194extern void pop_cp_function_context PROTO((tree));
824b9a4c 2195extern int in_function_p PROTO((void));
49c249e1
JM		 2196extern void replace_defarg PROTO((tree, tree));
2197extern void print_other_binding_stack PROTO((struct binding_level *));
8857f91e 2198extern void revert_static_member_fn PROTO((tree*, tree*, tree*));
8d08fdba 2199
51c184be 2200/* in decl2.c */
6b5fbb55 2201extern int flag_assume_nonnull_objects;
8d08fdba
MS		 2202extern int lang_decode_option PROTO((char *));
2203extern tree grok_method_quals PROTO((tree, tree, tree));
824b9a4c
MS		 2204extern void warn_if_unknown_interface PROTO((tree));
2205extern tree grok_x_components PROTO((tree, tree));
8d08fdba
MS		 2206extern void grokclassfn PROTO((tree, tree, tree, enum overload_flags, tree));
2207extern tree grok_alignof PROTO((tree));
2208extern tree grok_array_decl PROTO((tree, tree));
2209extern tree delete_sanity PROTO((tree, tree, int, int));
5566b478 2210extern tree check_classfn PROTO((tree, tree));
98c1c668 2211extern void check_member_template PROTO((tree));
c11b6f21 2212extern tree grokfield PROTO((tree, tree, tree, tree, tree));
8d08fdba
MS		 2213extern tree grokbitfield PROTO((tree, tree, tree));
2214extern tree groktypefield PROTO((tree, tree));
51c184be 2215extern tree grokoptypename PROTO((tree, tree));
5566b478 2216extern int copy_assignment_arg_p PROTO((tree, int));
f6abb50a 2217extern void cplus_decl_attributes PROTO((tree, tree, tree));
8d08fdba
MS		 2218extern tree constructor_name_full PROTO((tree));
2219extern tree constructor_name PROTO((tree));
2220extern void setup_vtbl_ptr PROTO((void));
2221extern void mark_inline_for_output PROTO((tree));
2222extern void clear_temp_name PROTO((void));
2223extern tree get_temp_name PROTO((tree, int));
2224extern tree get_temp_regvar PROTO((tree, tree));
2225extern void finish_anon_union PROTO((tree));
2226extern tree finish_table PROTO((tree, tree, tree, int));
2227extern void finish_builtin_type PROTO((tree, char *, tree *, int, tree));
2228extern tree coerce_new_type PROTO((tree));
2229extern tree coerce_delete_type PROTO((tree));
824b9a4c 2230extern void comdat_linkage PROTO((tree));
5566b478 2231extern void import_export_vtable PROTO((tree, tree, int));
c73964b2 2232extern int finish_prevtable_vardecl PROTO((tree, tree));
49c249e1
JM		 2233extern int walk_vtables PROTO((void (*)(tree, tree),
2234 int (*)(tree, tree)));
2235extern void walk_sigtables PROTO((void (*)(tree, tree),
2236 void (*)(tree, tree)));
824b9a4c
MS		 2237extern void import_export_decl PROTO((tree));
2238extern tree build_cleanup PROTO((tree));
8d08fdba 2239extern void finish_file PROTO((void));
51c184be
MS		 2240extern tree reparse_absdcl_as_expr PROTO((tree, tree));
2241extern tree reparse_absdcl_as_casts PROTO((tree, tree));
5566b478 2242extern tree build_expr_from_tree PROTO((tree));
51c184be
MS		 2243extern tree reparse_decl_as_expr PROTO((tree, tree));
2244extern tree finish_decl_parsing PROTO((tree));
2986ae00 2245extern tree check_cp_case_value PROTO((tree));
824b9a4c
MS		 2246extern tree get_namespace_id PROTO((void));
2247extern tree current_namespace_id PROTO((tree));
2248extern void do_namespace_alias PROTO((tree, tree));
6b5fbb55 2249extern void do_toplevel_using_decl PROTO((tree));
a9aedbc2 2250extern tree do_class_using_decl PROTO((tree));
824b9a4c 2251extern void do_using_directive PROTO((tree));
f30432d7 2252extern void check_default_args PROTO((tree));
5566b478 2253extern void mark_used PROTO((tree));
49c249e1 2254extern tree handle_class_head PROTO((tree, tree, tree));
8d08fdba 2255
824b9a4c
MS		 2256/* in errfn.c */
2257extern void cp_error ();
2258extern void cp_error_at ();
2259extern void cp_warning ();
2260extern void cp_warning_at ();
2261extern void cp_pedwarn ();
2262extern void cp_pedwarn_at ();
2263extern void cp_compiler_error ();
2264extern void cp_sprintf ();
2265
2266/* in error.c */
2267extern void init_error PROTO((void));
2268extern char *fndecl_as_string PROTO((tree, int));
2269extern char *type_as_string PROTO((tree, int));
2270extern char *args_as_string PROTO((tree, int));
2271extern char *decl_as_string PROTO((tree, int));
2272extern char *expr_as_string PROTO((tree, int));
2273extern char *code_as_string PROTO((enum tree_code, int));
2274extern char *language_as_string PROTO((enum languages, int));
2275extern char *parm_as_string PROTO((int, int));
2276extern char *op_as_string PROTO((enum tree_code, int));
2277extern char *assop_as_string PROTO((enum tree_code, int));
2278extern char *cv_as_string PROTO((tree, int));
2ba25f50 2279extern char *lang_decl_name PROTO((tree, int));
49c249e1
JM		 2280extern char *cp_file_of PROTO((tree));
2281extern int cp_line_of PROTO((tree));
824b9a4c 2282
51c184be 2283/* in except.c */
8d08fdba 2284extern void init_exception_processing PROTO((void));
824b9a4c
MS		 2285extern void expand_start_catch_block PROTO((tree, tree));
2286extern void expand_end_catch_block PROTO((void));
f30432d7
MS		 2287extern void expand_builtin_throw PROTO((void));
2288extern void expand_start_eh_spec PROTO((void));
824b9a4c 2289extern void expand_exception_blocks PROTO((void));
72b7eeff 2290extern tree start_anon_func PROTO((void));
824b9a4c
MS		 2291extern void end_anon_func PROTO((void));
2292extern void expand_throw PROTO((tree));
2293extern tree build_throw PROTO((tree));
8d08fdba 2294
51c184be 2295/* in expr.c */
8d08fdba
MS		 2296extern void init_cplus_expand PROTO((void));
2297extern void fixup_result_decl PROTO((tree, struct rtx_def *));
824b9a4c
MS		 2298extern int extract_init PROTO((tree, tree));
2299extern void do_case PROTO((tree, tree));
8d08fdba 2300
bd6dd845
MS		 2301/* friend.c */
2302extern int is_friend PROTO((tree, tree));
2303extern void make_friend_class PROTO((tree, tree));
2304extern tree do_friend PROTO((tree, tree, tree, tree, enum overload_flags, tree, int));
2305
51c184be 2306/* in init.c */
824b9a4c
MS		 2307extern void init_init_processing PROTO((void));
2308extern void expand_direct_vtbls_init PROTO((tree, tree, int, int, tree));
8d08fdba
MS		 2309extern void emit_base_init PROTO((tree, int));
2310extern void check_base_init PROTO((tree));
8d08fdba
MS		 2311extern void do_member_init PROTO((tree, tree, tree));
2312extern void expand_member_init PROTO((tree, tree, tree));
6060a796 2313extern void expand_aggr_init PROTO((tree, tree, int, int));
8d08fdba 2314extern int is_aggr_typedef PROTO((tree, int));
5566b478 2315extern int is_aggr_type PROTO((tree, int));
8d08fdba
MS		 2316extern tree get_aggr_from_typedef PROTO((tree, int));
2317extern tree get_type_value PROTO((tree));
2318extern tree build_member_call PROTO((tree, tree, tree));
2319extern tree build_offset_ref PROTO((tree, tree));
8d08fdba
MS		 2320extern tree resolve_offset_ref PROTO((tree));
2321extern tree decl_constant_value PROTO((tree));
8d08fdba 2322extern tree build_new PROTO((tree, tree, tree, int));
a0d5fba7 2323extern tree build_new_1 PROTO((tree));
8d08fdba
MS		 2324extern tree expand_vec_init PROTO((tree, tree, tree, tree, int));
2325extern tree build_x_delete PROTO((tree, tree, int, tree));
2326extern tree build_delete PROTO((tree, tree, tree, int, int));
2327extern tree build_vbase_delete PROTO((tree, tree));
5566b478 2328extern tree build_vec_delete PROTO((tree, tree, tree, tree, int));
8d08fdba 2329
51c184be 2330/* in input.c */
8d08fdba 2331
51c184be 2332/* in lex.c */
8d08fdba
MS		 2333extern tree make_pointer_declarator PROTO((tree, tree));
2334extern tree make_reference_declarator PROTO((tree, tree));
c11b6f21
MS		 2335extern tree make_call_declarator PROTO((tree, tree, tree, tree));
2336extern void set_quals_and_spec PROTO((tree, tree, tree));
8d08fdba
MS		 2337extern char *operator_name_string PROTO((tree));
2338extern void lang_init PROTO((void));
2339extern void lang_finish PROTO((void));
2340extern void init_filename_times PROTO((void));
bd6dd845 2341#if 0
8d08fdba 2342extern void reinit_lang_specific PROTO((void));
bd6dd845 2343#endif
8d08fdba
MS		 2344extern void init_lex PROTO((void));
2345extern void reinit_parse_for_function PROTO((void));
2346extern int *init_parse PROTO((void));
2347extern void print_parse_statistics PROTO((void));
2348extern void extract_interface_info PROTO((void));
8d08fdba
MS		 2349extern void do_pending_inlines PROTO((void));
2350extern void process_next_inline PROTO((tree));
49c249e1
JM		 2351extern struct pending_input *save_pending_input PROTO((void));
2352extern void restore_pending_input PROTO((struct pending_input *));
8d08fdba
MS		 2353extern void yyungetc PROTO((int, int));
2354extern void reinit_parse_for_method PROTO((int, tree));
bd6dd845 2355extern void reinit_parse_for_block PROTO((int, struct obstack *));
f376e137 2356extern tree cons_up_default_function PROTO((tree, tree, int));
8d08fdba
MS		 2357extern void check_for_missing_semicolon PROTO((tree));
2358extern void note_got_semicolon PROTO((tree));
2359extern void note_list_got_semicolon PROTO((tree));
824b9a4c 2360extern void do_pending_lang_change PROTO((void));
8d08fdba
MS		 2361extern int identifier_type PROTO((tree));
2362extern void see_typename PROTO((void));
5566b478
MS		 2363extern tree do_identifier PROTO((tree, int));
2364extern tree do_scoped_id PROTO((tree, int));
8d08fdba
MS		 2365extern tree identifier_typedecl_value PROTO((tree));
2366extern int real_yylex PROTO((void));
824b9a4c 2367extern int is_rid PROTO((tree));
8d08fdba
MS		 2368extern tree build_lang_decl PROTO((enum tree_code, tree, tree));
2369extern tree build_lang_field_decl PROTO((enum tree_code, tree, tree));
2370extern void copy_lang_decl PROTO((tree));
2371extern tree make_lang_type PROTO((enum tree_code));
8d08fdba
MS		 2372extern void dump_time_statistics PROTO((void));
2373/* extern void compiler_error PROTO((char *, HOST_WIDE_INT, HOST_WIDE_INT)); */
8d08fdba 2374extern void yyerror PROTO((char *));
49c249e1
JM		 2375extern void clear_inline_text_obstack PROTO((void));
2376extern void maybe_snarf_defarg PROTO((void));
2377extern tree snarf_defarg PROTO((void));
2378extern void add_defarg_fn PROTO((tree));
2379extern void do_pending_defargs PROTO((void));
2380extern int identifier_type PROTO((tree));
9f617717 2381extern void yyhook PROTO((int));
8d08fdba 2382
51c184be 2383/* in method.c */
8d08fdba 2384extern void init_method PROTO((void));
8d08fdba 2385extern void do_inline_function_hair PROTO((tree, tree));
8d08fdba 2386extern char *build_overload_name PROTO((tree, int, int));
f376e137 2387extern tree build_static_name PROTO((tree, tree));
8d08fdba 2388extern tree build_decl_overload PROTO((tree, tree, int));
386b8a85 2389extern tree build_template_decl_overload PROTO((tree, tree, tree, tree, tree, int));
8d08fdba 2390extern tree build_typename_overload PROTO((tree));
6b5fbb55 2391extern tree build_overload_with_type PROTO((tree, tree));
8d08fdba 2392extern tree build_opfncall PROTO((enum tree_code, int, tree, tree, tree));
5566b478 2393extern tree hack_identifier PROTO((tree, tree));
6b5fbb55 2394extern tree make_thunk PROTO((tree, int));
824b9a4c 2395extern void emit_thunk PROTO((tree));
5566b478 2396extern void synthesize_method PROTO((tree));
49c249e1 2397extern tree get_id_2 PROTO((char *, tree));
8d08fdba 2398
51c184be 2399/* in pt.c */
30394414 2400extern tree innermost_args PROTO ((tree, int));
f7d98d58
JM		 2401extern tree tsubst PROTO ((tree, tree, tree));
2402extern tree tsubst_expr PROTO ((tree, tree, tree));
2403extern tree tsubst_copy PROTO ((tree, tree, tree));
5566b478 2404extern tree tsubst_chain PROTO((tree, tree));
f84b4be9
JM		 2405extern void maybe_begin_member_template_processing PROTO((tree));
2406extern void maybe_end_member_template_processing PROTO((tree));
e1467ff2 2407extern tree finish_member_template_decl PROTO((tree, tree));
8d08fdba 2408extern void begin_template_parm_list PROTO((void));
386b8a85
JM		 2409extern void begin_specialization PROTO((void));
2410extern void reset_specialization PROTO((void));
2411extern void end_specialization PROTO((void));
75650646
MM		 2412extern void begin_explicit_instantiation PROTO((void));
2413extern void end_explicit_instantiation PROTO((void));
2414extern tree determine_specialization PROTO((tree, tree, tree *, int, int));
e1467ff2 2415extern tree check_explicit_specialization PROTO((tree, tree, int, int));
8d08fdba
MS		 2416extern tree process_template_parm PROTO((tree, tree));
2417extern tree end_template_parm_list PROTO((tree));
5566b478 2418extern void end_template_decl PROTO((void));
9a3b49ac 2419extern tree current_template_args PROTO((void));
3ac3d9ea 2420extern tree push_template_decl PROTO((tree));
7fe6899f 2421extern void redeclare_class_template PROTO((tree));
75650646 2422extern tree lookup_template_class PROTO((tree, tree, tree, tree));
386b8a85 2423extern tree lookup_template_function PROTO((tree, tree));
8d08fdba 2424extern int uses_template_parms PROTO((tree));
5566b478 2425extern tree instantiate_class_template PROTO((tree));
98c1c668 2426extern tree instantiate_template PROTO((tree, tree));
6b5fbb55 2427extern void overload_template_name PROTO((tree));
d7684f2d 2428extern int fn_type_unification PROTO((tree, tree, tree, tree, tree, int, tree));
050367a3 2429extern int type_unification PROTO((tree, tree, tree, tree, tree, int, int));
8d08fdba 2430struct tinst_level *tinst_for_decl PROTO((void));
5566b478 2431extern void mark_decl_instantiated PROTO((tree, int));
e1467ff2 2432extern int more_specialized PROTO((tree, tree, tree));
5566b478 2433extern void mark_class_instantiated PROTO((tree, int));
6633d636 2434extern void do_decl_instantiation PROTO((tree, tree, tree));
f0e01782 2435extern void do_type_instantiation PROTO((tree, tree));
5566b478 2436extern tree instantiate_decl PROTO((tree));
5566b478
MS		 2437extern tree lookup_nested_type_by_name PROTO((tree, tree));
2438extern tree do_poplevel PROTO((void));
e1467ff2 2439extern tree get_bindings PROTO((tree, tree, tree));
824b9a4c
MS		 2440/* CONT ... */
2441extern void add_tree PROTO((tree));
75650646
MM		 2442extern void begin_tree PROTO((void));
2443extern void end_tree PROTO((void));
824b9a4c 2444extern void add_maybe_template PROTO((tree, tree));
49c249e1 2445extern void pop_tinst_level PROTO((void));
e1467ff2 2446extern tree most_specialized PROTO((tree, tree, tree));
8d019cef 2447extern tree most_specialized_class PROTO((tree, tree, tree));
49c249e1
JM		 2448extern int more_specialized_class PROTO((tree, tree));
2449extern void do_pushlevel PROTO((void));
98c1c668 2450extern int is_member_template PROTO((tree));
75650646 2451extern int comp_template_parms PROTO((tree, tree));
f84b4be9 2452extern int template_class_depth PROTO((tree));
92eca640 2453extern int processing_specialization;
75650646 2454extern int processing_explicit_instantiation;
824b9a4c
MS		 2455
2456/* in repo.c */
2457extern void repo_template_used PROTO((tree));
2458extern void repo_template_instantiated PROTO((tree, int));
2459extern void init_repo PROTO((char*));
2460extern void finish_repo PROTO((void));
2461
2462/* in rtti.c */
2463extern void init_rtti_processing PROTO((void));
2464extern tree get_tinfo_fn_dynamic PROTO((tree));
2465extern tree build_typeid PROTO((tree));
2466extern tree build_x_typeid PROTO((tree));
2467extern tree get_tinfo_fn PROTO((tree));
2468extern tree get_typeid PROTO((tree));
2469extern tree build_dynamic_cast PROTO((tree, tree));
2470extern void synthesize_tinfo_fn PROTO((tree));
8d08fdba 2471
51c184be 2472/* in search.c */
8d08fdba
MS		 2473extern void push_memoized_context PROTO((tree, int));
2474extern void pop_memoized_context PROTO((int));
bd6dd845 2475extern tree get_vbase PROTO((tree, tree));
8d08fdba
MS		 2476extern tree get_binfo PROTO((tree, tree, int));
2477extern int get_base_distance PROTO((tree, tree, int, tree *));
be99da77 2478extern tree compute_access PROTO((tree, tree));
8d08fdba
MS		 2479extern tree lookup_field PROTO((tree, tree, int, int));
2480extern tree lookup_nested_field PROTO((tree, int));
2481extern tree lookup_fnfields PROTO((tree, tree, int));
a28e3c7f 2482extern tree lookup_nested_tag PROTO((tree, tree));
7177d104 2483extern tree get_matching_virtual PROTO((tree, tree, int));
8d08fdba
MS		 2484extern tree get_abstract_virtuals PROTO((tree));
2485extern tree get_baselinks PROTO((tree, tree, tree));
2486extern tree next_baselink PROTO((tree));
2487extern tree init_vbase_pointers PROTO((tree, tree));
9e9ff709 2488extern void expand_indirect_vtbls_init PROTO((tree, tree, tree));
8d08fdba
MS		 2489extern void clear_search_slots PROTO((tree));
2490extern tree get_vbase_types PROTO((tree));
2491extern void build_mi_matrix PROTO((tree));
2492extern void free_mi_matrix PROTO((void));
2493extern void build_mi_virtuals PROTO((int, int));
2494extern void add_mi_virtuals PROTO((int, tree));
2495extern void report_ambiguous_mi_virtuals PROTO((int, tree));
2496extern void note_debug_info_needed PROTO((tree));
45537677 2497extern void push_class_decls PROTO((tree));
49c249e1 2498extern void pop_class_decls PROTO((void));
8d08fdba
MS		 2499extern void unuse_fields PROTO((tree));
2500extern void unmark_finished_struct PROTO((tree));
2501extern void print_search_statistics PROTO((void));
2502extern void init_search_processing PROTO((void));
2503extern void reinit_search_statistics PROTO((void));
2504extern tree current_scope PROTO((void));
e1cd6e56 2505extern tree lookup_conversions PROTO((tree));
c73964b2 2506extern tree get_template_base PROTO((tree, tree));
8d08fdba 2507
ad321293
MM		 2508/* in semantics.c */
2509extern void finish_expr_stmt PROTO((tree));
2510extern tree begin_if_stmt PROTO((void));
2511extern void finish_if_stmt_cond PROTO((tree, tree));
2512extern tree finish_then_clause PROTO((tree));
2513extern void begin_else_clause PROTO((void));
2514extern void finish_else_clause PROTO((tree));
2515extern void finish_if_stmt PROTO((void));
2516extern tree begin_while_stmt PROTO((void));
2517extern void finish_while_stmt_cond PROTO((tree, tree));
2518extern void finish_while_stmt PROTO((tree));
2519extern tree begin_do_stmt PROTO((void));
2520extern void finish_do_body PROTO((tree));
2521extern void finish_do_stmt PROTO((tree, tree));
2522extern void finish_return_stmt PROTO((tree));
2523extern tree begin_for_stmt PROTO((void));
2524extern void finish_for_init_stmt PROTO((tree));
2525extern void finish_for_cond PROTO((tree, tree));
e4959d7c 2526extern void finish_for_expr PROTO((tree, tree));
ad321293
MM		 2527extern void finish_for_stmt PROTO((tree, tree));
2528extern void finish_break_stmt PROTO((void));
2529extern void finish_continue_stmt PROTO((void));
2530extern void begin_switch_stmt PROTO((void));
2531extern tree finish_switch_cond PROTO((tree));
2532extern void finish_switch_stmt PROTO((tree, tree));
2533extern void finish_case_label PROTO((tree, tree));
2534extern void finish_goto_stmt PROTO((tree));
2535extern tree begin_try_block PROTO((void));
2536extern void finish_try_block PROTO((tree));
2537extern void finish_handler_sequence PROTO((tree));
2538extern tree begin_handler PROTO((void));
2539extern void finish_handler_parms PROTO((tree));
2540extern void finish_handler PROTO((tree));
2541extern tree begin_compound_stmt PROTO((int));
2542extern tree finish_compound_stmt PROTO((int, tree));
2543extern void finish_asm_stmt PROTO((tree, tree, tree, tree, tree));
b4c4a9ec
MM		 2544extern tree finish_parenthesized_expr PROTO((tree));
2545extern tree begin_stmt_expr PROTO((void));
2546extern tree finish_stmt_expr PROTO((tree, tree));
2547extern tree finish_call_expr PROTO((tree, tree));
2548extern tree finish_increment_expr PROTO((tree, enum tree_code));
2549extern tree finish_this_expr PROTO((void));
2550extern tree finish_object_call_expr PROTO((tree, tree, tree));
2551extern tree finish_qualified_object_call_expr PROTO((tree, tree, tree));
2552extern tree finish_pseudo_destructor_call_expr PROTO((tree, tree, tree));
2553extern tree finish_globally_qualified_member_call_expr PROTO ((tree, tree));
2554extern tree finish_label_address_expr PROTO((tree));
2555extern int begin_function_definition PROTO((tree, tree));
2556extern tree begin_constructor_declarator PROTO((tree, tree));
2557extern tree finish_template_type_parm PROTO((tree, tree));
2558extern tree finish_template_template_parm PROTO((tree, tree));
2559
51c184be 2560/* in sig.c */
8d08fdba
MS		 2561extern tree build_signature_pointer_type PROTO((tree, int, int));
2562extern tree build_signature_reference_type PROTO((tree, int, int));
2563extern tree build_signature_pointer_constructor PROTO((tree, tree));
c11b6f21 2564extern tree build_signature_method_call PROTO((tree, tree));
8d08fdba 2565extern tree build_optr_ref PROTO((tree));
5566b478 2566extern void append_signature_fields PROTO((tree));
8d08fdba 2567
51c184be 2568/* in spew.c */
8d08fdba 2569extern void init_spew PROTO((void));
49c249e1 2570extern int peekyylex PROTO((void));
8d08fdba
MS		 2571extern int yylex PROTO((void));
2572extern tree arbitrate_lookup PROTO((tree, tree, tree));
2573
51c184be 2574/* in tree.c */
5566b478
MS		 2575extern int real_lvalue_p PROTO((tree));
2576extern tree build_min PVPROTO((enum tree_code, tree, ...));
2577extern tree build_min_nt PVPROTO((enum tree_code, ...));
2578extern tree min_tree_cons PROTO((tree, tree, tree));
8d08fdba
MS		 2579extern int lvalue_p PROTO((tree));
2580extern int lvalue_or_else PROTO((tree, char *));
5566b478 2581extern tree build_cplus_new PROTO((tree, tree));
aa36c081 2582extern tree get_target_expr PROTO((tree));
8d08fdba
MS		 2583extern tree break_out_cleanups PROTO((tree));
2584extern tree break_out_calls PROTO((tree));
2585extern tree build_cplus_method_type PROTO((tree, tree, tree));
2586extern tree build_cplus_staticfn_type PROTO((tree, tree, tree));
2587extern tree build_cplus_array_type PROTO((tree, tree));
9a71c18b
JM		 2588extern int layout_basetypes PROTO((tree, int));
2589extern tree build_vbase_pointer_fields PROTO((tree));
2590extern tree build_base_fields PROTO((tree));
8d08fdba
MS		 2591extern tree hash_tree_cons PROTO((int, int, int, tree, tree, tree));
2592extern tree hash_tree_chain PROTO((tree, tree));
2593extern tree hash_chainon PROTO((tree, tree));
2594extern tree get_decl_list PROTO((tree));
8d08fdba 2595extern tree make_binfo PROTO((tree, tree, tree, tree, tree));
8d08fdba
MS		 2596extern tree binfo_value PROTO((tree, tree));
2597extern tree reverse_path PROTO((tree));
8d08fdba 2598extern int decl_list_length PROTO((tree));
8926095f 2599extern int count_functions PROTO((tree));
8d08fdba
MS		 2600extern int is_overloaded_fn PROTO((tree));
2601extern tree get_first_fn PROTO((tree));
2602extern tree fnaddr_from_vtable_entry PROTO((tree));
8d08fdba
MS		 2603extern tree function_arg_chain PROTO((tree));
2604extern int promotes_to_aggr_type PROTO((tree, enum tree_code));
2605extern int is_aggr_type_2 PROTO((tree, tree));
2ba25f50 2606extern char *lang_printable_name PROTO((tree, int));
f30432d7 2607extern tree build_exception_variant PROTO((tree, tree));
73b0fce8 2608extern tree copy_template_template_parm PROTO((tree));
8d08fdba
MS		 2609extern tree copy_to_permanent PROTO((tree));
2610extern void print_lang_statistics PROTO((void));
49c249e1
JM		 2611extern void __eprintf
2612 PROTO((const char *, const char *, unsigned, const char *));
8d08fdba
MS		 2613extern tree array_type_nelts_total PROTO((tree));
2614extern tree array_type_nelts_top PROTO((tree));
878cd289 2615extern tree break_out_target_exprs PROTO((tree));
5566b478 2616extern tree get_type_decl PROTO((tree));
6b5fbb55 2617extern tree vec_binfo_member PROTO((tree, tree));
e76a2646 2618extern tree hack_decl_function_context PROTO((tree));
d11ad92e
MS		 2619extern tree lvalue_type PROTO((tree));
2620extern tree error_type PROTO((tree));
49c249e1
JM		 2621extern tree make_temp_vec PROTO((int));
2622extern int varargs_function_p PROTO((tree));
2623extern int really_overloaded_fn PROTO((tree));
2624extern int cp_tree_equal PROTO((tree, tree));
2625extern int can_free PROTO((struct obstack *, tree));
2626extern tree mapcar PROTO((tree, tree (*) (tree)));
2627extern void debug_binfo PROTO((tree));
00c493f2 2628extern void push_expression_obstack PROTO((void));
e66d884e
JM		 2629#define scratchalloc expralloc
2630#define scratch_tree_cons expr_tree_cons
2631#define build_scratch_list build_expr_list
2632#define make_scratch_vec make_temp_vec
8d08fdba 2633
51c184be 2634/* in typeck.c */
8ccc31eb 2635extern tree condition_conversion PROTO((tree));
8d08fdba
MS		 2636extern tree target_type PROTO((tree));
2637extern tree require_complete_type PROTO((tree));
5566b478 2638extern tree complete_type PROTO((tree));
8d08fdba
MS		 2639extern int type_unknown_p PROTO((tree));
2640extern int fntype_p PROTO((tree));
2641extern tree require_instantiated_type PROTO((tree, tree, tree));
2642extern tree commonparms PROTO((tree, tree));
2643extern tree common_type PROTO((tree, tree));
5566b478 2644extern int compexcepttypes PROTO((tree, tree));
8d08fdba
MS		 2645extern int comptypes PROTO((tree, tree, int));
2646extern int comp_target_types PROTO((tree, tree, int));
8d08fdba
MS		 2647extern int compparms PROTO((tree, tree, int));
2648extern int comp_target_types PROTO((tree, tree, int));
a28e3c7f 2649extern int self_promoting_args_p PROTO((tree));
8d08fdba
MS		 2650extern tree unsigned_type PROTO((tree));
2651extern tree signed_type PROTO((tree));
2652extern tree signed_or_unsigned_type PROTO((int, tree));
5566b478 2653extern tree expr_sizeof PROTO((tree));
8d08fdba
MS		 2654extern tree c_sizeof PROTO((tree));
2655extern tree c_sizeof_nowarn PROTO((tree));
2656extern tree c_alignof PROTO((tree));
6b5fbb55 2657extern tree inline_conversion PROTO((tree));
f30432d7 2658extern tree decay_conversion PROTO((tree));
8d08fdba
MS		 2659extern tree default_conversion PROTO((tree));
2660extern tree build_object_ref PROTO((tree, tree, tree));
2661extern tree build_component_ref_1 PROTO((tree, tree, int));
2662extern tree build_component_ref PROTO((tree, tree, tree, int));
5156628f 2663extern tree build_x_component_ref PROTO((tree, tree, tree, int));
8d08fdba
MS		 2664extern tree build_x_indirect_ref PROTO((tree, char *));
2665extern tree build_indirect_ref PROTO((tree, char *));
8d08fdba
MS		 2666extern tree build_array_ref PROTO((tree, tree));
2667extern tree build_x_function_call PROTO((tree, tree, tree));
824b9a4c 2668extern tree get_member_function_from_ptrfunc PROTO((tree *, tree));
8d08fdba
MS		 2669extern tree build_function_call_real PROTO((tree, tree, int, int));
2670extern tree build_function_call PROTO((tree, tree));
2671extern tree build_function_call_maybe PROTO((tree, tree));
2672extern tree convert_arguments PROTO((tree, tree, tree, tree, int));
2673extern tree build_x_binary_op PROTO((enum tree_code, tree, tree));
2674extern tree build_binary_op PROTO((enum tree_code, tree, tree, int));
2675extern tree build_binary_op_nodefault PROTO((enum tree_code, tree, tree, enum tree_code));
2676extern tree build_component_addr PROTO((tree, tree, char *));
2677extern tree build_x_unary_op PROTO((enum tree_code, tree));
2678extern tree build_unary_op PROTO((enum tree_code, tree, int));
2679extern tree unary_complex_lvalue PROTO((enum tree_code, tree));
2680extern int mark_addressable PROTO((tree));
2681extern tree build_x_conditional_expr PROTO((tree, tree, tree));
2682extern tree build_conditional_expr PROTO((tree, tree, tree));
2683extern tree build_x_compound_expr PROTO((tree));
2684extern tree build_compound_expr PROTO((tree));
2986ae00
MS		 2685extern tree build_static_cast PROTO((tree, tree));
2686extern tree build_reinterpret_cast PROTO((tree, tree));
2687extern tree build_const_cast PROTO((tree, tree));
faf5394a 2688extern tree build_c_cast PROTO((tree, tree));
5566b478 2689extern tree build_x_modify_expr PROTO((tree, enum tree_code, tree));
8d08fdba
MS		 2690extern tree build_modify_expr PROTO((tree, enum tree_code, tree));
2691extern int language_lvalue_valid PROTO((tree));
2692extern void warn_for_assignment PROTO((char *, char *, char *, tree, int, int));
2693extern tree convert_for_initialization PROTO((tree, tree, tree, int, char *, tree, int));
2694extern void c_expand_asm_operands PROTO((tree, tree, tree, tree, int, char *, int));
2695extern void c_expand_return PROTO((tree));
2696extern tree c_expand_start_case PROTO((tree));
bd6dd845 2697extern int comp_ptr_ttypes PROTO((tree, tree));
d2e5ee5c 2698extern int ptr_reasonably_similar PROTO((tree, tree));
8d08fdba
MS		 2699extern tree build_ptrmemfunc PROTO((tree, tree, int));
2700
51c184be 2701/* in typeck2.c */
8d08fdba
MS		 2702extern tree error_not_base_type PROTO((tree, tree));
2703extern tree binfo_or_else PROTO((tree, tree));
8d08fdba
MS		 2704extern void readonly_error PROTO((tree, char *, int));
2705extern void abstract_virtuals_error PROTO((tree, tree));
5566b478 2706extern void signature_error PROTO((tree, tree));
8d08fdba
MS		 2707extern void incomplete_type_error PROTO((tree, tree));
2708extern void my_friendly_abort PROTO((int));
2709extern void my_friendly_assert PROTO((int, int));
2710extern tree store_init_value PROTO((tree, tree));
2711extern tree digest_init PROTO((tree, tree, tree *));
2712extern tree build_scoped_ref PROTO((tree, tree));
2713extern tree build_x_arrow PROTO((tree));
2714extern tree build_m_component_ref PROTO((tree, tree));
2715extern tree build_functional_cast PROTO((tree, tree));
2716extern char *enum_name_string PROTO((tree, tree));
2717extern void report_case_error PROTO((int, tree, tree, tree));
49c249e1
JM		 2718extern void check_for_new_type PROTO((char *,flagged_type_tree));
2719extern tree initializer_constant_valid_p PROTO((tree, tree));
8d08fdba 2720
51c184be 2721/* in xref.c */
8d08fdba
MS		 2722extern void GNU_xref_begin PROTO((char *));
2723extern void GNU_xref_end PROTO((int));
2724extern void GNU_xref_file PROTO((char *));
2725extern void GNU_xref_start_scope PROTO((HOST_WIDE_INT));
5566b478 2726extern void GNU_xref_end_scope PROTO((HOST_WIDE_INT, HOST_WIDE_INT, int, int));
00595019 2727extern void GNU_xref_ref PROTO((tree, char *));
8d08fdba
MS		 2728extern void GNU_xref_decl PROTO((tree, tree));
2729extern void GNU_xref_call PROTO((tree, char *));
2730extern void GNU_xref_function PROTO((tree, tree));
2731extern void GNU_xref_assign PROTO((tree));
2732extern void GNU_xref_hier PROTO((char *, char *, int, int, int));
2733extern void GNU_xref_member PROTO((tree, tree));
2734
2735/* -- end of C++ */
2736
2737#endif /* not _CP_TREE_H */
GNU Compiler Collection
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