1 /* Definitions for C++ parsing and type checking.
2 Copyright (C) 1987, 93, 94, 95, 1996 Free Software Foundation, Inc.
3 Hacked by Michael Tiemann (tiemann@cygnus.com)
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 #include "gansidecl.h"
27 /* Usage of TREE_LANG_FLAG_?:
28 0: TREE_NONLOCAL_FLAG (in TREE_LIST or _TYPE).
29 BINFO_MARKED (BINFO nodes).
30 COMPOUND_STMT_NO_SCOPE (in COMPOUND_STMT).
31 NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
32 DELETE_EXPR_USE_GLOBAL (in DELETE_EXPR).
33 LOOKUP_EXPR_GLOBAL (in LOOKUP_EXPR).
34 TREE_NEGATED_INT (in INTEGER_CST).
35 (TREE_MANGLED) (in IDENTIFIER_NODE) (commented-out).
36 1: IDENTIFIER_VIRTUAL_P.
37 TI_PENDING_TEMPLATE_FLAG.
38 TEMPLATE_PARMS_FOR_INLINE.
39 DELETE_EXPR_USE_VEC (in DELETE_EXPR).
40 (TREE_CALLS_NEW) (in _EXPR or _REF) (commented-out).
41 TYPE_USES_COMPLEX_INHERITANCE (in _TYPE).
42 C_DECLARED_LABEL_FLAG.
43 2: IDENTIFIER_OPNAME_P.
47 PARM_DECL_EXPR (in SAVE_EXPR).
48 3: TYPE_USES_VIRTUAL_BASECLASSES (in a class TYPE).
49 BINFO_VTABLE_PATH_MARKED.
50 BINFO_PUSHDECLS_MARKED.
51 (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
52 4: BINFO_NEW_VTABLE_MARKED.
53 TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
58 Usage of TYPE_LANG_FLAG_?:
59 0: C_TYPE_FIELDS_READONLY (in RECORD_TYPE or UNION_TYPE).
60 1: TYPE_HAS_CONSTRUCTOR.
61 2: TYPE_HAS_DESTRUCTOR.
63 4: TYPE_NEEDS_DESTRUCTOR.
67 Usage of DECL_LANG_FLAG_?:
68 0: DECL_ERROR_REPORTED (in VAR_DECL).
69 1: C_TYPEDEF_EXPLICITLY_SIGNED (in TYPE_DECL).
70 2: DECL_THIS_EXTERN (in VAR_DECL or FUNCTION_DECL).
72 4: DECL_MAYBE_TEMPLATE.
73 5: DECL_INTERFACE_KNOWN.
74 6: DECL_THIS_STATIC (in VAR_DECL or FUNCTION_DECL).
75 7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
78 /* Language-dependent contents of an identifier. */
80 struct lang_identifier
82 struct tree_identifier ignore;
83 tree namespace_bindings, local_value;
85 tree class_template_info;
91 tree label_value, implicit_decl;
92 tree type_desc, as_list, error_locus;
103 char common[sizeof (struct tree_common)];
104 struct rtx_def *rtl; /* Unused, but required to match up with what
105 the middle-end expects. */
108 HOST_WIDE_INT orig_level;
110 } template_parm_index;
112 typedef struct ptrmem_cst
114 char common[sizeof (struct tree_common)];
118 /* For a binding between a name and an entity, defines the scope
119 where the binding is declared. Currently always points to a
120 namespace declaration. */
121 #define BINDING_SCOPE(NODE) (((struct tree_binding*)NODE)->scope)
122 /* This is the declaration bound to the name. Possible values:
123 variable, overloaded function, namespace, template, enumerator. */
124 #define BINDING_VALUE(NODE) (((struct tree_binding*)NODE)->value)
125 /* If name is bound to a type, this is the type (struct, union, enum). */
126 #define BINDING_TYPE(NODE) TREE_TYPE(NODE)
127 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
128 namespace_binding (NODE, global_namespace)
129 #define SET_IDENTIFIER_GLOBAL_VALUE(NODE, VAL) \
130 set_namespace_binding (NODE, global_namespace, VAL)
131 #define IDENTIFIER_NAMESPACE_VALUE(NODE) \
132 namespace_binding (NODE, current_namespace)
133 #define SET_IDENTIFIER_NAMESPACE_VALUE(NODE, VAL) \
134 set_namespace_binding (NODE, current_namespace, VAL)
138 char common[sizeof (struct tree_common)];
143 /* The overloaded FUNCTION_DECL. */
144 #define OVL_FUNCTION(NODE) (((struct tree_overload*)NODE)->function)
145 #define OVL_CHAIN(NODE) TREE_CHAIN(NODE)
146 /* Polymorphic access to FUNCTION and CHAIN. */
147 #define OVL_CURRENT(NODE) \
148 ((TREE_CODE(NODE)==OVERLOAD) ? OVL_FUNCTION(NODE) : NODE)
149 #define OVL_NEXT(NODE) \
150 ((TREE_CODE(NODE)==OVERLOAD) ? TREE_CHAIN(NODE) : NULL_TREE)
151 /* If set, this was imported in a using declaration.
152 This is not to confuse with being used somewhere, which
153 is not important for this node. */
154 #define OVL_USED(NODE) TREE_USED(NODE)
158 char common[sizeof (struct tree_common)];
162 #define WRAPPER_PTR(NODE) (((struct tree_wrapper*)NODE)->u.ptr)
163 #define WRAPPER_INT(NODE) (((struct tree_wrapper*)NODE)->u.i)
167 char common[sizeof (struct tree_common)];
174 #define SRCLOC_FILE(NODE) (((struct tree_srcloc*)NODE)->filename)
175 #define SRCLOC_LINE(NODE) (((struct tree_srcloc*)NODE)->linenum)
178 char common[sizeof (struct tree_common)];
183 /* To identify to the debug emitters if it should pay attention to the
184 flag `-Wtemplate-debugging'. */
185 #define HAVE_TEMPLATES 1
187 /* Macros for access to language-specific slots in an identifier. */
189 #define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
190 (((struct lang_identifier *)(NODE))->namespace_bindings)
191 #define IDENTIFIER_CLASS_VALUE(NODE) \
192 (((struct lang_identifier *)(NODE))->class_value)
193 #define IDENTIFIER_LOCAL_VALUE(NODE) \
194 (((struct lang_identifier *)(NODE))->local_value)
195 #define IDENTIFIER_TEMPLATE(NODE) \
196 (((struct lang_identifier *)(NODE))->class_template_info)
198 /* TREE_TYPE only indicates on local and class scope the current
199 type. For namespace scope, the presence of a type in any namespace
200 is indicated with global_type_node, and the real type behind must
201 be found through lookup. */
202 #define IDENTIFIER_TYPE_VALUE(NODE) (identifier_type_value(NODE))
203 #define REAL_IDENTIFIER_TYPE_VALUE(NODE) (TREE_TYPE (NODE))
204 #define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = TYPE)
205 #define IDENTIFIER_HAS_TYPE_VALUE(NODE) (IDENTIFIER_TYPE_VALUE (NODE) ? 1 : 0)
207 #define LANG_ID_FIELD(NAME,NODE) \
208 (((struct lang_identifier *)(NODE))->x \
209 ? ((struct lang_identifier *)(NODE))->x->NAME : 0)
210 #define SET_LANG_ID(NODE,VALUE,NAME) \
211 (((struct lang_identifier *)(NODE))->x == 0 \
212 ? ((struct lang_identifier *)(NODE))->x \
213 = (struct lang_id2 *)perm_calloc (1, sizeof (struct lang_id2)) : 0, \
214 ((struct lang_identifier *)(NODE))->x->NAME = (VALUE))
216 #define IDENTIFIER_LABEL_VALUE(NODE) LANG_ID_FIELD(label_value, NODE)
217 #define SET_IDENTIFIER_LABEL_VALUE(NODE,VALUE) \
218 SET_LANG_ID(NODE, VALUE, label_value)
220 #define IDENTIFIER_IMPLICIT_DECL(NODE) LANG_ID_FIELD(implicit_decl, NODE)
221 #define SET_IDENTIFIER_IMPLICIT_DECL(NODE,VALUE) \
222 SET_LANG_ID(NODE, VALUE, implicit_decl)
224 #define IDENTIFIER_AS_DESC(NODE) LANG_ID_FIELD(type_desc, NODE)
225 #define SET_IDENTIFIER_AS_DESC(NODE,DESC) \
226 SET_LANG_ID(NODE, DESC, type_desc)
228 #define IDENTIFIER_AS_LIST(NODE) LANG_ID_FIELD(as_list, NODE)
229 #define SET_IDENTIFIER_AS_LIST(NODE,LIST) \
230 SET_LANG_ID(NODE, LIST, as_list)
232 #define IDENTIFIER_ERROR_LOCUS(NODE) LANG_ID_FIELD(error_locus, NODE)
233 #define SET_IDENTIFIER_ERROR_LOCUS(NODE,VALUE) \
234 SET_LANG_ID(NODE, VALUE, error_locus)
237 #define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1(NODE)
239 /* Nonzero if this identifier is the prefix for a mangled C++ operator name. */
240 #define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2(NODE)
242 #define IDENTIFIER_TYPENAME_P(NODE) \
243 (! strncmp (IDENTIFIER_POINTER (NODE), \
244 IDENTIFIER_POINTER (ansi_opname[(int) TYPE_EXPR]), \
245 IDENTIFIER_LENGTH (ansi_opname[(int) TYPE_EXPR])))
247 /* Nonzero means reject anything that ANSI standard C forbids. */
250 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
251 #define C_TYPE_FIELDS_READONLY(type) TYPE_LANG_FLAG_0 (type)
253 /* Record in each node resulting from a binary operator
254 what operator was specified for it. */
255 #define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp))
257 /* Store a value in that field. */
258 #define C_SET_EXP_ORIGINAL_CODE(exp, code) \
259 (TREE_COMPLEXITY (exp) = (int)(code))
261 /* If non-zero, a VAR_DECL whose cleanup will cause a throw to the
262 next exception handler. */
263 extern tree exception_throw_decl;
265 extern tree double_type_node, long_double_type_node, float_type_node;
266 extern tree char_type_node, unsigned_char_type_node, signed_char_type_node;
267 extern tree ptrdiff_type_node;
269 extern tree short_integer_type_node, short_unsigned_type_node;
270 extern tree long_integer_type_node, long_unsigned_type_node;
271 extern tree long_long_integer_type_node, long_long_unsigned_type_node;
272 extern tree unsigned_type_node;
273 extern tree string_type_node, char_array_type_node, int_array_type_node;
274 extern tree wchar_array_type_node;
275 extern tree wchar_type_node, signed_wchar_type_node, unsigned_wchar_type_node;
277 extern tree complex_integer_type_node;
278 extern tree complex_float_type_node;
279 extern tree complex_double_type_node;
280 extern tree complex_long_double_type_node;
282 extern tree intQI_type_node, unsigned_intQI_type_node;
283 extern tree intHI_type_node, unsigned_intHI_type_node;
284 extern tree intSI_type_node, unsigned_intSI_type_node;
285 extern tree intDI_type_node, unsigned_intDI_type_node;
286 #if HOST_BITS_PER_WIDE_INT >= 64
287 extern tree intTI_type_node, unsigned_intTI_type_node;
290 extern tree java_byte_type_node;
291 extern tree java_short_type_node;
292 extern tree java_int_type_node;
293 extern tree java_long_type_node;
294 extern tree java_float_type_node;
295 extern tree java_double_type_node;
296 extern tree java_char_type_node;
297 extern tree java_boolean_type_node;
299 extern int current_function_returns_value;
300 extern int current_function_returns_null;
301 extern tree current_function_return_value;
303 extern tree current_namespace;
304 extern tree global_namespace;
306 extern tree ridpointers[];
307 extern tree ansi_opname[];
308 extern tree ansi_assopname[];
310 /* Nonzero means `$' can be in an identifier. */
312 extern int dollars_in_ident;
314 /* Nonzero means allow type mismatches in conditional expressions;
315 just make their values `void'. */
317 extern int flag_cond_mismatch;
319 /* Nonzero means don't recognize the keyword `asm'. */
321 extern int flag_no_asm;
323 /* For cross referencing. */
325 extern int flag_gnu_xref;
327 /* For environments where you can use GNU binutils (as, ld in particular). */
329 extern int flag_gnu_binutils;
331 /* Nonzero means ignore `#ident' directives. */
333 extern int flag_no_ident;
335 /* Nonzero means warn about implicit declarations. */
337 extern int warn_implicit;
339 /* Nonzero means warn about usage of long long when `-pedantic'. */
341 extern int warn_long_long;
343 /* Nonzero means warn when all ctors or dtors are private, and the class
346 extern int warn_ctor_dtor_privacy;
348 /* Nonzero means warn about function definitions that default the return type
349 or that use a null return and have a return-type other than void. */
351 extern int warn_return_type;
353 /* Nonzero means give string constants the type `const char *', as mandated
356 extern int flag_const_strings;
358 /* Nonzero means warn about deprecated conversion from string constant to
361 extern int warn_write_strings;
363 /* Nonzero means warn about sizeof(function) or addition/subtraction
364 of function pointers. */
366 extern int warn_pointer_arith;
368 /* Nonzero means warn about suggesting putting in ()'s. */
370 extern int warn_parentheses;
372 /* Nonzero means warn about multiple (redundant) decls for the same single
373 variable or function. */
375 extern int warn_redundant_decls;
377 /* Warn if initializer is not completely bracketed. */
379 extern int warn_missing_braces;
381 /* Warn about comparison of signed and unsigned values. */
383 extern int warn_sign_compare;
385 /* Warn about a subscript that has type char. */
387 extern int warn_char_subscripts;
389 /* Nonzero means warn about pointer casts that can drop a type qualifier
390 from the pointer target type. */
392 extern int warn_cast_qual;
394 /* Warn about *printf or *scanf format/argument anomalies. */
396 extern int warn_format;
398 /* Nonzero means warn about non virtual destructors in classes that have
399 virtual functions. */
401 extern int warn_nonvdtor;
403 /* Non-zero means warn when we convert a pointer to member function
404 into a pointer to (void or function). */
406 extern int warn_pmf2ptr;
408 /* Nonzero means warn about violation of some Effective C++ style rules. */
410 extern int warn_ecpp;
412 /* Nonzero means warn where overload resolution chooses a promotion from
413 unsigned to signed over a conversion to an unsigned of the same size. */
415 extern int warn_sign_promo;
417 /* Non-zero means warn when a function is declared extern and later inline. */
419 extern int warn_extern_inline;
421 /* Non-zero means warn when an old-style cast is used. */
423 extern int warn_old_style_cast;
425 /* Nonzero means to treat bitfields as unsigned unless they say `signed'. */
427 extern int flag_signed_bitfields;
429 /* 3 means write out only virtuals function tables `defined'
430 in this implementation file.
431 2 means write out only specific virtual function tables
432 and give them (C) public access.
433 1 means write out virtual function tables and give them
435 0 means write out virtual function tables and give them
436 (C) static access (default).
437 -1 means declare virtual function tables extern. */
439 extern int write_virtuals;
441 /* True for more efficient but incompatible (not fully tested)
442 vtable implementation (using thunks).
443 0 is old behavior; 1 is new behavior. */
444 extern int flag_vtable_thunks;
446 /* INTERFACE_ONLY nonzero means that we are in an "interface"
447 section of the compiler. INTERFACE_UNKNOWN nonzero means
448 we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
449 is zero and INTERFACE_ONLY is zero, it means that we are responsible
450 for exporting definitions that others might need. */
451 extern int interface_only, interface_unknown;
453 /* Nonzero means we should attempt to elide constructors when possible. */
455 extern int flag_elide_constructors;
457 /* Nonzero means enable obscure ANSI features and disable GNU extensions
458 that might cause ANSI-compliant code to be miscompiled. */
460 extern int flag_ansi;
462 /* Nonzero means recognize and handle signature language constructs. */
464 extern int flag_handle_signatures;
466 /* Nonzero means that member functions defined in class scope are
467 inline by default. */
469 extern int flag_default_inline;
471 /* The name-mangling scheme to use. Versions of gcc before 2.8 use
473 extern int name_mangling_version;
475 /* Nonzero means that guiding declarations are allowed. */
476 extern int flag_guiding_decls;
478 /* Nonzero if squashed mangling is to be performed.
479 This uses the B and K codes to reference previously seen class types
480 and class qualifiers. */
481 extern int flag_do_squangling;
483 /* Nonzero if we want to issue diagnostics that the standard says are not
485 extern int flag_optional_diags;
487 /* Nonzero means do not consider empty argument prototype to mean function
488 takes no arguments. */
490 extern int flag_strict_prototype;
492 /* Nonzero means output .vtable_{entry,inherit} for use in doing vtable gc. */
493 extern int flag_vtable_gc;
495 /* C++ language-specific tree codes. */
496 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
497 enum cplus_tree_code {
498 __DUMMY = LAST_AND_UNUSED_TREE_CODE,
499 #include "cp-tree.def"
504 enum languages { lang_c, lang_cplusplus, lang_java };
506 /* Macros to make error reporting functions' lives easier. */
507 #define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
508 #define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
509 #define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
511 #define TYPE_ASSEMBLER_NAME_STRING(NODE) (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
512 #define TYPE_ASSEMBLER_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
514 /* The _DECL for this _TYPE. */
515 #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
517 /* Nonzero if T is a class (or struct or union) type. Also nonzero
518 for template type parameters and typename types. Despite its name,
519 this macro has nothing to do with the definition of aggregate given
520 in the standard. Think of this macro as MAYBE_CLASS_TYPE_P. */
521 #define IS_AGGR_TYPE(t) (TYPE_LANG_FLAG_5 (t))
523 /* Nonzero if T is a class type. Zero for template type parameters,
524 typename types, and so forth. */
525 #define CLASS_TYPE_P(t) \
526 (IS_AGGR_TYPE (t) && IS_AGGR_TYPE_CODE (TREE_CODE (t)))
528 #define IS_AGGR_TYPE_CODE(t) (t == RECORD_TYPE || t == UNION_TYPE)
529 #define IS_AGGR_TYPE_2(TYPE1,TYPE2) \
530 (TREE_CODE (TYPE1) == TREE_CODE (TYPE2) \
531 && IS_AGGR_TYPE (TYPE1)&IS_AGGR_TYPE (TYPE2))
532 #define IS_OVERLOAD_TYPE(t) \
533 (IS_AGGR_TYPE (t) || TREE_CODE (t) == ENUMERAL_TYPE)
535 /* In a *_TYPE, nonzero means a built-in type. */
536 #define TYPE_BUILT_IN(NODE) TYPE_LANG_FLAG_6(NODE)
538 /* True if this a "Java" type, defined in 'extern "Java"'. */
539 #define TYPE_FOR_JAVA(NODE) TYPE_LANG_FLAG_3(NODE)
541 #define DELTA_FROM_VTABLE_ENTRY(ENTRY) \
542 (!flag_vtable_thunks ? \
543 TREE_VALUE (CONSTRUCTOR_ELTS (ENTRY)) \
544 : TREE_CODE (TREE_OPERAND ((ENTRY), 0)) != THUNK_DECL ? integer_zero_node \
545 : build_int_2 (THUNK_DELTA (TREE_OPERAND ((ENTRY), 0)), 0))
547 /* Virtual function addresses can be gotten from a virtual function
548 table entry using this macro. */
549 #define FNADDR_FROM_VTABLE_ENTRY(ENTRY) \
550 (!flag_vtable_thunks ? \
551 TREE_VALUE (TREE_CHAIN (TREE_CHAIN (CONSTRUCTOR_ELTS (ENTRY)))) \
552 : TREE_CODE (TREE_OPERAND ((ENTRY), 0)) != THUNK_DECL ? (ENTRY) \
553 : DECL_INITIAL (TREE_OPERAND ((ENTRY), 0)))
554 #define SET_FNADDR_FROM_VTABLE_ENTRY(ENTRY,VALUE) \
555 (TREE_VALUE (TREE_CHAIN (TREE_CHAIN (CONSTRUCTOR_ELTS (ENTRY)))) = (VALUE))
556 #define FUNCTION_ARG_CHAIN(NODE) (TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE))))
557 #define PROMOTES_TO_AGGR_TYPE(NODE,CODE) \
558 (((CODE) == TREE_CODE (NODE) \
559 && IS_AGGR_TYPE (TREE_TYPE (NODE))) \
560 || IS_AGGR_TYPE (NODE))
562 /* Nonzero iff TYPE is uniquely derived from PARENT. Under MI, PARENT can
563 be an ambiguous base class of TYPE, and this macro will be false. */
564 #define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 0, (tree *)0) >= 0)
565 #define ACCESSIBLY_DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, -1, (tree *)0) >= 0)
566 #define ACCESSIBLY_UNIQUELY_DERIVED_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 1, (tree *)0) >= 0)
567 #define DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 0, (tree *)0) != -1)
569 /* Statistics show that while the GNU C++ compiler may generate
570 thousands of different types during a compilation run, it
571 generates relatively few (tens) of classtypes. Because of this,
572 it is not costly to store a generous amount of information
573 in classtype nodes. This struct must fill out to a multiple of 4 bytes. */
578 unsigned has_type_conversion : 1;
579 unsigned has_init_ref : 1;
580 unsigned has_assignment : 1;
581 unsigned has_default_ctor : 1;
582 unsigned uses_multiple_inheritance : 1;
583 unsigned const_needs_init : 1;
584 unsigned ref_needs_init : 1;
585 unsigned has_const_assign_ref : 1;
587 unsigned has_nonpublic_ctor : 2;
588 unsigned has_nonpublic_assign_ref : 2;
589 unsigned vtable_needs_writing : 1;
590 unsigned has_assign_ref : 1;
591 unsigned gets_new : 2;
593 unsigned gets_delete : 2;
594 unsigned has_call_overloaded : 1;
595 unsigned has_array_ref_overloaded : 1;
596 unsigned has_arrow_overloaded : 1;
597 unsigned interface_only : 1;
598 unsigned interface_unknown : 1;
600 unsigned needs_virtual_reinit : 1;
601 unsigned vec_delete_takes_size : 1;
602 unsigned declared_class : 1;
603 unsigned being_defined : 1;
604 unsigned redefined : 1;
606 unsigned marked2 : 1;
607 unsigned marked3 : 1;
609 unsigned marked4 : 1;
610 unsigned marked5 : 1;
611 unsigned marked6 : 1;
612 unsigned debug_requested : 1;
613 unsigned use_template : 2;
614 unsigned got_semicolon : 1;
615 unsigned ptrmemfunc_flag : 1;
617 unsigned is_signature : 1;
618 unsigned is_signature_pointer : 1;
619 unsigned is_signature_reference : 1;
620 unsigned has_opaque_typedecls : 1;
621 unsigned sigtable_has_been_generated : 1;
622 unsigned was_anonymous : 1;
623 unsigned has_real_assignment : 1;
624 unsigned has_real_assign_ref : 1;
626 unsigned has_const_init_ref : 1;
627 unsigned has_complex_init_ref : 1;
628 unsigned has_complex_assign_ref : 1;
629 unsigned has_abstract_assign_ref : 1;
630 unsigned non_aggregate : 1;
632 /* The MIPS compiler gets it wrong if this struct also
633 does not fill out to a multiple of 4 bytes. Add a
634 member `dummy' with new bits if you go over the edge. */
644 union tree_node *baselink_vec;
645 union tree_node *vfields;
646 union tree_node *vbases;
648 union tree_node *tags;
650 union tree_node *search_slot;
653 /* Room for another three unsigned chars. */
655 union tree_node *size;
657 union tree_node *base_init_list;
658 union tree_node *abstract_virtuals;
659 union tree_node *as_list;
660 union tree_node *id_as_list;
661 union tree_node *binfo_as_list;
662 union tree_node *friend_classes;
664 union tree_node *rtti;
666 union tree_node *methods;
668 union tree_node *signature;
669 union tree_node *signature_pointer_to;
670 union tree_node *signature_reference_to;
672 union tree_node *template_info;
677 #define CLASSTYPE_SOURCE_LINE(NODE) (TYPE_LANG_SPECIFIC(NODE)->linenum)
679 /* Indicates whether or not (and how) a template was expanded for this class.
680 0=no information yet/non-template class
681 1=implicit template instantiation
682 2=explicit template specialization
683 3=explicit template instantiation */
684 #define CLASSTYPE_USE_TEMPLATE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.use_template)
686 /* Fields used for storing information before the class is defined.
687 After the class is defined, these fields hold other information. */
689 /* List of friends which were defined inline in this class definition. */
690 #define CLASSTYPE_INLINE_FRIENDS(NODE) (TYPE_NONCOPIED_PARTS (NODE))
692 /* Nonzero for _CLASSTYPE means that the _CLASSTYPE either has
693 a special meaning for the assignment operator ("operator="),
694 or one of its fields (or base members) has a special meaning
696 #define TYPE_HAS_ASSIGNMENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_assignment)
697 #define TYPE_HAS_REAL_ASSIGNMENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_real_assignment)
699 /* Nonzero for _CLASSTYPE means that operator new and delete are defined,
701 #define TYPE_GETS_NEW(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_new)
702 #define TYPE_GETS_DELETE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_delete)
703 #define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
705 /* Nonzero for _CLASSTYPE means that operator vec delete is defined and
706 takes the optional size_t argument. */
707 #define TYPE_VEC_DELETE_TAKES_SIZE(NODE) \
708 (TYPE_LANG_SPECIFIC(NODE)->type_flags.vec_delete_takes_size)
709 #define TYPE_VEC_NEW_USES_COOKIE(NODE) \
710 (TYPE_NEEDS_DESTRUCTOR (NODE) \
711 || (TYPE_LANG_SPECIFIC (NODE) && TYPE_VEC_DELETE_TAKES_SIZE (NODE)))
713 /* Nonzero for TREE_LIST or _TYPE node means that this node is class-local. */
714 #define TREE_NONLOCAL_FLAG(NODE) (TREE_LANG_FLAG_0 (NODE))
716 /* Nonzero means that this _CLASSTYPE node defines ways of converting
717 itself to other types. */
718 #define TYPE_HAS_CONVERSION(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_type_conversion)
720 /* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
721 #define TYPE_HAS_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_assign_ref)
722 #define TYPE_HAS_CONST_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_const_assign_ref)
724 /* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
725 #define TYPE_HAS_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_init_ref)
726 #define TYPE_HAS_CONST_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_const_init_ref)
728 /* Nonzero means that this type is being defined. I.e., the left brace
729 starting the definition of this type has been seen. */
730 #define TYPE_BEING_DEFINED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.being_defined)
731 /* Nonzero means that this type has been redefined. In this case, if
732 convenient, don't reprocess any methods that appear in its redefinition. */
733 #define TYPE_REDEFINED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.redefined)
735 /* Nonzero means that this type is a signature. */
736 # define IS_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)?TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature:0)
737 # define SET_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature=1)
738 # define CLEAR_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature=0)
740 /* Nonzero means that this type is a signature pointer type. */
741 # define IS_SIGNATURE_POINTER(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature_pointer)
743 /* Nonzero means that this type is a signature reference type. */
744 # define IS_SIGNATURE_REFERENCE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature_reference)
746 /* Nonzero means that this signature contains opaque type declarations. */
747 #define SIGNATURE_HAS_OPAQUE_TYPEDECLS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_opaque_typedecls)
749 /* Nonzero means that a signature table has been generated
750 for this signature. */
751 #define SIGTABLE_HAS_BEEN_GENERATED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.sigtable_has_been_generated)
753 /* If NODE is a class, this is the signature type that contains NODE's
754 signature after it has been computed using sigof(). */
755 #define CLASSTYPE_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
757 /* If NODE is a signature pointer or signature reference, this is the
758 signature type the pointer/reference points to. */
759 #define SIGNATURE_TYPE(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
761 /* If NODE is a signature, this is a vector of all methods defined
762 in the signature or in its base types together with their default
764 #define SIGNATURE_METHOD_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
766 /* If NODE is a signature, this is the _TYPE node that contains NODE's
767 signature pointer type. */
768 #define SIGNATURE_POINTER_TO(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature_pointer_to)
770 /* If NODE is a signature, this is the _TYPE node that contains NODE's
771 signature reference type. */
772 #define SIGNATURE_REFERENCE_TO(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature_reference_to)
774 /* The is the VAR_DECL that contains NODE's rtti. */
775 #define CLASSTYPE_RTTI(NODE) (TYPE_LANG_SPECIFIC(NODE)->rtti)
777 /* Nonzero means that this _CLASSTYPE node overloads operator(). */
778 #define TYPE_OVERLOADS_CALL_EXPR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_call_overloaded)
780 /* Nonzero means that this _CLASSTYPE node overloads operator[]. */
781 #define TYPE_OVERLOADS_ARRAY_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_array_ref_overloaded)
783 /* Nonzero means that this _CLASSTYPE node overloads operator->. */
784 #define TYPE_OVERLOADS_ARROW(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_arrow_overloaded)
786 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
787 multiple inheritance. If this is 0 for the root of a type
788 hierarchy, then we can use more efficient search techniques. */
789 #define TYPE_USES_MULTIPLE_INHERITANCE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.uses_multiple_inheritance)
791 /* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
792 virtual base classes. If this is 0 for the root of a type
793 hierarchy, then we can use more efficient search techniques. */
794 #define TYPE_USES_VIRTUAL_BASECLASSES(NODE) (TREE_LANG_FLAG_3(NODE))
796 /* Vector member functions defined in this class. Each element is
797 either a FUNCTION_DECL, a TEMPLATE_DECL, or an OVERLOAD. The first
798 two elements are for constructors, and destructors, respectively.
799 Any user-defined conversion operators follow these. These are
800 followed by ordinary member functions. There may be empty entries
801 at the end of the vector. */
802 #define CLASSTYPE_METHOD_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->methods)
804 /* The first type conversion operator in the class (the others can be
805 searched with TREE_CHAIN), or the first non-constructor function if
806 there are no type conversion operators. */
807 #define CLASSTYPE_FIRST_CONVERSION(NODE) \
808 TREE_VEC_LENGTH (CLASSTYPE_METHOD_VEC (NODE)) > 2 \
809 ? TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), 2) \
812 /* Pointer from any member function to the head of the list of
813 member functions of the type that member function belongs to. */
814 #define CLASSTYPE_BASELINK_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->baselink_vec)
816 /* Mark bits for depth-first and breath-first searches. */
817 #define CLASSTYPE_MARKED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked)
818 #define CLASSTYPE_MARKED2(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked2)
819 #define CLASSTYPE_MARKED3(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked3)
820 #define CLASSTYPE_MARKED4(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked4)
821 #define CLASSTYPE_MARKED5(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked5)
822 #define CLASSTYPE_MARKED6(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked6)
823 /* Macros to modify the above flags */
824 #define SET_CLASSTYPE_MARKED(NODE) (CLASSTYPE_MARKED(NODE) = 1)
825 #define CLEAR_CLASSTYPE_MARKED(NODE) (CLASSTYPE_MARKED(NODE) = 0)
826 #define SET_CLASSTYPE_MARKED2(NODE) (CLASSTYPE_MARKED2(NODE) = 1)
827 #define CLEAR_CLASSTYPE_MARKED2(NODE) (CLASSTYPE_MARKED2(NODE) = 0)
828 #define SET_CLASSTYPE_MARKED3(NODE) (CLASSTYPE_MARKED3(NODE) = 1)
829 #define CLEAR_CLASSTYPE_MARKED3(NODE) (CLASSTYPE_MARKED3(NODE) = 0)
830 #define SET_CLASSTYPE_MARKED4(NODE) (CLASSTYPE_MARKED4(NODE) = 1)
831 #define CLEAR_CLASSTYPE_MARKED4(NODE) (CLASSTYPE_MARKED4(NODE) = 0)
832 #define SET_CLASSTYPE_MARKED5(NODE) (CLASSTYPE_MARKED5(NODE) = 1)
833 #define CLEAR_CLASSTYPE_MARKED5(NODE) (CLASSTYPE_MARKED5(NODE) = 0)
834 #define SET_CLASSTYPE_MARKED6(NODE) (CLASSTYPE_MARKED6(NODE) = 1)
835 #define CLEAR_CLASSTYPE_MARKED6(NODE) (CLASSTYPE_MARKED6(NODE) = 0)
837 /* A list of the nested tag-types (class, struct, union, or enum)
838 found within this class. The TREE_PURPOSE of each node is the name
839 of the type; the TREE_VALUE is the type itself. This list includes
840 nested member class templates. */
841 #define CLASSTYPE_TAGS(NODE) (TYPE_LANG_SPECIFIC(NODE)->tags)
843 /* If this class has any bases, this is the number of the base class from
844 which our VFIELD is based, -1 otherwise. If this class has no base
845 classes, this is not used.
846 In D : B1, B2, PARENT would be 0, if D's vtable came from B1,
847 1, if D's vtable came from B2. */
848 #define CLASSTYPE_VFIELD_PARENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->vfield_parent)
850 /* Remove when done merging. */
851 #define CLASSTYPE_VFIELD(NODE) TYPE_VFIELD(NODE)
853 /* The number of virtual functions defined for this
855 #define CLASSTYPE_VSIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->vsize)
856 /* The virtual base classes that this type uses. */
857 #define CLASSTYPE_VBASECLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->vbases)
858 /* The virtual function pointer fields that this type contains. */
859 #define CLASSTYPE_VFIELDS(NODE) (TYPE_LANG_SPECIFIC(NODE)->vfields)
861 /* Number of baseclasses defined for this type.
862 0 means no base classes. */
863 #define CLASSTYPE_N_BASECLASSES(NODE) \
864 (TYPE_BINFO_BASETYPES (NODE) ? TREE_VEC_LENGTH (TYPE_BINFO_BASETYPES(NODE)) : 0)
866 /* Memoize the number of super classes (base classes) that this node
867 has. That way we can know immediately (albeit conservatively how
868 large a multiple-inheritance matrix we need to build to find
869 derivation information. */
870 #define CLASSTYPE_N_SUPERCLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->n_ancestors)
871 #define CLASSTYPE_N_VBASECLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->n_vancestors)
873 /* Record how deep the inheritance is for this class so `void*' conversions
874 are less favorable than a conversion to the most base type. */
875 #define CLASSTYPE_MAX_DEPTH(NODE) (TYPE_LANG_SPECIFIC(NODE)->max_depth)
877 /* Used for keeping search-specific information. Any search routine
878 which uses this must define what exactly this slot is used for. */
879 #define CLASSTYPE_SEARCH_SLOT(NODE) (TYPE_LANG_SPECIFIC(NODE)->search_slot)
881 /* These are the size, mode and alignment of the type without its
882 virtual base classes, for when we use this type as a base itself. */
883 #define CLASSTYPE_SIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->size)
884 #define CLASSTYPE_ALIGN(NODE) (TYPE_LANG_SPECIFIC(NODE)->align)
886 /* A cons list of structure elements which either have constructors
887 to be called, or virtual function table pointers which
888 need initializing. Depending on what is being initialized,
889 the TREE_PURPOSE and TREE_VALUE fields have different meanings:
891 Member initialization: <FIELD_DECL, TYPE>
892 Base class construction: <NULL_TREE, BASETYPE>
893 Base class initialization: <BASE_INITIALIZATION, THESE_INITIALIZATIONS>
894 Whole type: <MEMBER_INIT, BASE_INIT>. */
895 #define CLASSTYPE_BASE_INIT_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->base_init_list)
897 /* A cons list of virtual functions which cannot be inherited by
898 derived classes. When deriving from this type, the derived
899 class must provide its own definition for each of these functions. */
900 #define CLASSTYPE_ABSTRACT_VIRTUALS(NODE) (TYPE_LANG_SPECIFIC(NODE)->abstract_virtuals)
902 /* Nonzero means that this aggr type has been `closed' by a semicolon. */
903 #define CLASSTYPE_GOT_SEMICOLON(NODE) (TYPE_LANG_SPECIFIC (NODE)->type_flags.got_semicolon)
905 /* Nonzero means that the main virtual function table pointer needs to be
906 set because base constructors have placed the wrong value there.
907 If this is zero, it means that they placed the right value there,
908 and there is no need to change it. */
909 #define CLASSTYPE_NEEDS_VIRTUAL_REINIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.needs_virtual_reinit)
911 /* Nonzero means that if this type has virtual functions, that
912 the virtual function table will be written out. */
913 #define CLASSTYPE_VTABLE_NEEDS_WRITING(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.vtable_needs_writing)
915 /* Nonzero means that this type has an X() constructor. */
916 #define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_default_ctor)
918 /* Nonzero means the type declared a ctor as private or protected. We
919 use this to make sure we don't try to generate a copy ctor for a
920 class that has a member of type NODE. */
921 #define TYPE_HAS_NONPUBLIC_CTOR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_nonpublic_ctor)
923 /* Ditto, for operator=. */
924 #define TYPE_HAS_NONPUBLIC_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_nonpublic_assign_ref)
926 /* Many routines need to cons up a list of basetypes for access
927 checking. This field contains a TREE_LIST node whose TREE_VALUE
928 is the main variant of the type, and whose TREE_VIA_PUBLIC
929 and TREE_VIA_VIRTUAL bits are correctly set. */
930 #define CLASSTYPE_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->as_list)
931 /* Same, but cache a list whose value is the name of this type. */
932 #define CLASSTYPE_ID_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->id_as_list)
933 /* Same, but cache a list whose value is the binfo of this type. */
934 #define CLASSTYPE_BINFO_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->binfo_as_list)
936 /* A list of class types with which this type is a friend. The
937 TREE_VALUE is normally a TYPE, but will be a TEMPLATE_DECL in the
938 case of a template friend. */
939 #define CLASSTYPE_FRIEND_CLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->friend_classes)
941 /* Say whether this node was declared as a "class" or a "struct". */
942 #define CLASSTYPE_DECLARED_CLASS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.declared_class)
944 /* Nonzero if this class has const members which have no specified initialization. */
945 #define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.const_needs_init)
947 /* Nonzero if this class has ref members which have no specified initialization. */
948 #define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.ref_needs_init)
950 /* Nonzero if this class is included from a header file which employs
951 `#pragma interface', and it is not included in its implementation file. */
952 #define CLASSTYPE_INTERFACE_ONLY(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_only)
954 /* Same as above, but for classes whose purpose we do not know. */
955 #define CLASSTYPE_INTERFACE_UNKNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown)
956 #define CLASSTYPE_INTERFACE_KNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown == 0)
957 #define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = !!(X))
958 #define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = 1)
959 #define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = 0)
961 /* Nonzero if a _DECL node requires us to output debug info for this class. */
962 #define CLASSTYPE_DEBUG_REQUESTED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.debug_requested)
964 /* Additional macros for inheritance information. */
966 /* The BINFO_INHERITANCE_CHAIN is used opposite to the description in
967 gcc/tree.h. In particular if D is derived from B then the BINFO
968 for B (in D) will have a BINFO_INHERITANCE_CHAIN pointing to
969 D. In tree.h, this pointer is described as pointing in other
972 After a call to get_vbase_types, the vbases are chained together in
973 depth-first order via TREE_CHAIN. Other than that, TREE_CHAIN is
976 /* Nonzero means marked by DFS or BFS search, including searches
977 by `get_binfo' and `get_base_distance'. */
978 #define BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED(BINFO_TYPE(NODE)):TREE_LANG_FLAG_0(NODE))
979 /* Macros needed because of C compilers that don't allow conditional
980 expressions to be lvalues. Grr! */
981 #define SET_BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_0(NODE)=1))
982 #define CLEAR_BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_0(NODE)=0))
984 /* Nonzero means marked in search through virtual inheritance hierarchy. */
985 #define BINFO_VBASE_MARKED(NODE) CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
986 /* Modifier macros */
987 #define SET_BINFO_VBASE_MARKED(NODE) SET_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
988 #define CLEAR_BINFO_VBASE_MARKED(NODE) CLEAR_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
990 /* Nonzero means marked in search for members or member functions. */
991 #define BINFO_FIELDS_MARKED(NODE) \
992 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED2 (BINFO_TYPE (NODE)):TREE_LANG_FLAG_2(NODE))
993 #define SET_BINFO_FIELDS_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED2(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_2(NODE)=1))
994 #define CLEAR_BINFO_FIELDS_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED2(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_2(NODE)=0))
996 /* Nonzero means that this class is on a path leading to a new vtable. */
997 #define BINFO_VTABLE_PATH_MARKED(NODE) \
998 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):TREE_LANG_FLAG_3(NODE))
999 #define SET_BINFO_VTABLE_PATH_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_3(NODE)=1))
1000 #define CLEAR_BINFO_VTABLE_PATH_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_3(NODE)=0))
1002 /* Nonzero means that this class has a new vtable. */
1003 #define BINFO_NEW_VTABLE_MARKED(NODE) \
1004 (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):TREE_LANG_FLAG_4(NODE))
1005 #define SET_BINFO_NEW_VTABLE_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_4(NODE)=1))
1006 #define CLEAR_BINFO_NEW_VTABLE_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_4(NODE)=0))
1008 /* Nonzero means this class has done dfs_pushdecls. */
1009 #define BINFO_PUSHDECLS_MARKED(NODE) BINFO_VTABLE_PATH_MARKED (NODE)
1010 #define SET_BINFO_PUSHDECLS_MARKED(NODE) SET_BINFO_VTABLE_PATH_MARKED (NODE)
1011 #define CLEAR_BINFO_PUSHDECLS_MARKED(NODE) CLEAR_BINFO_VTABLE_PATH_MARKED (NODE)
1013 /* Accessor macros for the vfield slots in structures. */
1015 /* Get the assoc info that caused this vfield to exist. */
1016 #define VF_BINFO_VALUE(NODE) TREE_PURPOSE (NODE)
1018 /* Get that same information as a _TYPE. */
1019 #define VF_BASETYPE_VALUE(NODE) TREE_VALUE (NODE)
1021 /* Get the value of the top-most type dominating the non-`normal' vfields. */
1022 #define VF_DERIVED_VALUE(NODE) (VF_BINFO_VALUE (NODE) ? BINFO_TYPE (VF_BINFO_VALUE (NODE)) : NULL_TREE)
1024 /* Get the value of the top-most type that's `normal' for the vfield. */
1025 #define VF_NORMAL_VALUE(NODE) TREE_TYPE (NODE)
1027 /* Nonzero for TREE_LIST node means that this list of things
1028 is a list of parameters, as opposed to a list of expressions. */
1029 #define TREE_PARMLIST(NODE) ((NODE)->common.unsigned_flag) /* overloaded! */
1031 /* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
1032 this type can raise. */
1033 #define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_NONCOPIED_PARTS (NODE)
1035 /* The binding level associated with the namespace. */
1036 #define NAMESPACE_LEVEL(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.level)
1038 struct lang_decl_flags
1040 #ifdef ONLY_INT_FIELDS
1043 enum languages language : 8;
1046 unsigned operator_attr : 1;
1047 unsigned constructor_attr : 1;
1048 unsigned returns_first_arg : 1;
1049 unsigned preserves_first_arg : 1;
1050 unsigned friend_attr : 1;
1051 unsigned static_function : 1;
1052 unsigned const_memfunc : 1;
1053 unsigned volatile_memfunc : 1;
1055 unsigned abstract_virtual : 1;
1056 unsigned permanent_attr : 1 ;
1057 unsigned constructor_for_vbase_attr : 1;
1058 unsigned mutable_flag : 1;
1059 unsigned is_default_implementation : 1;
1060 unsigned saved_inline : 1;
1061 unsigned use_template : 2;
1063 unsigned nonconverting : 1;
1064 unsigned declared_inline : 1;
1065 unsigned not_really_extern : 1;
1066 unsigned comdat : 1;
1067 unsigned needs_final_overrider : 1;
1072 tree memfunc_pointer_to;
1074 struct binding_level *level;
1079 struct lang_decl_flags decl_flags;
1081 tree main_decl_variant;
1082 struct pending_inline *pending_inline_info;
1085 /* Non-zero if NODE is a _DECL with TREE_READONLY set. */
1086 #define TREE_READONLY_DECL_P(NODE) \
1087 (TREE_READONLY (NODE) && TREE_CODE_CLASS (TREE_CODE (NODE)) == 'd')
1089 /* Non-zero iff DECL is memory-based. The DECL_RTL of
1090 certain const variables might be a CONST_INT, or a REG
1091 in some cases. We cannot use `memory_operand' as a test
1092 here because on most RISC machines, a variable's address
1093 is not, by itself, a legitimate address. */
1094 #define DECL_IN_MEMORY_P(NODE) \
1095 (DECL_RTL (NODE) != NULL_RTX && GET_CODE (DECL_RTL (NODE)) == MEM)
1097 /* For FUNCTION_DECLs: return the language in which this decl
1099 #define DECL_LANGUAGE(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.language)
1101 /* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
1102 #define DECL_CONSTRUCTOR_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.constructor_attr)
1103 #define DECL_DESTRUCTOR_P(NODE) (DESTRUCTOR_NAME_P (DECL_ASSEMBLER_NAME(NODE)))
1105 /* For FUNCTION_DECLs: nonzero means that this function is a constructor
1106 for an object with virtual baseclasses. */
1107 #define DECL_CONSTRUCTOR_FOR_VBASE_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.constructor_for_vbase_attr)
1109 /* For FUNCTION_DECLs: nonzero means that this function is a default
1110 implementation of a signature method. */
1111 #define IS_DEFAULT_IMPLEMENTATION(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.is_default_implementation)
1113 /* For FUNCTION_DECLs: nonzero means that the constructor
1114 is known to return a non-zero `this' unchanged. */
1115 #define DECL_RETURNS_FIRST_ARG(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.returns_first_arg)
1117 /* Nonzero for FUNCTION_DECL means that this constructor is known to
1118 not make any assignment to `this', and therefore can be trusted
1119 to return it unchanged. Otherwise, we must re-assign `current_class_ptr'
1120 after performing base initializations. */
1121 #define DECL_PRESERVES_THIS(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.preserves_first_arg)
1123 /* Nonzero for _DECL means that this decl appears in (or will appear
1124 in) as a member in a RECORD_TYPE or UNION_TYPE node. It is also for
1125 detecting circularity in case members are multiply defined. In the
1126 case of a VAR_DECL, it is also used to determine how program storage
1127 should be allocated. */
1128 #define DECL_IN_AGGR_P(NODE) (DECL_LANG_FLAG_3(NODE))
1130 /* Nonzero for FUNCTION_DECL means that this decl is just a
1131 friend declaration, and should not be added to the list of
1132 member functions for this class. */
1133 #define DECL_FRIEND_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.friend_attr)
1135 /* Nonzero for FUNCTION_DECL means that this decl is a static
1137 #define DECL_STATIC_FUNCTION_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.static_function)
1139 /* Nonzero for a class member means that it is shared between all objects
1141 #define SHARED_MEMBER_P(NODE) \
1142 (TREE_CODE (NODE) == VAR_DECL || TREE_CODE (NODE) == TYPE_DECL \
1143 || TREE_CODE (NODE) == CONST_DECL)
1145 /* Nonzero for FUNCTION_DECL means that this decl is a non-static
1147 #define DECL_NONSTATIC_MEMBER_FUNCTION_P(NODE) \
1148 (TREE_CODE (TREE_TYPE (NODE)) == METHOD_TYPE)
1150 /* Nonzero for FUNCTION_DECL means that this decl is a member function
1151 (static or non-static). */
1152 #define DECL_FUNCTION_MEMBER_P(NODE) \
1153 (DECL_NONSTATIC_MEMBER_FUNCTION_P (NODE) || DECL_STATIC_FUNCTION_P (NODE))
1155 /* Nonzero for FUNCTION_DECL means that this member function
1156 has `this' as const X *const. */
1157 #define DECL_CONST_MEMFUNC_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.const_memfunc)
1159 /* Nonzero for FUNCTION_DECL means that this member function
1160 has `this' as volatile X *const. */
1161 #define DECL_VOLATILE_MEMFUNC_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.volatile_memfunc)
1163 /* Nonzero for _DECL means that this member object type
1165 #define DECL_MUTABLE_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.mutable_flag)
1167 /* Nonzero for _DECL means that this constructor is a non-converting
1169 #define DECL_NONCONVERTING_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.nonconverting)
1171 /* Nonzero for FUNCTION_DECL means that this member function
1172 exists as part of an abstract class's interface. */
1173 #define DECL_ABSTRACT_VIRTUAL_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.abstract_virtual)
1175 /* Nonzero for FUNCTION_DECL means that this member function
1176 must be overridden by derived classes. */
1177 #define DECL_NEEDS_FINAL_OVERRIDER_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.needs_final_overrider)
1179 /* Nonzero if allocated on permanent_obstack. */
1180 #define LANG_DECL_PERMANENT(LANGDECL) ((LANGDECL)->decl_flags.permanent_attr)
1182 /* The _TYPE context in which this _DECL appears. This field holds the
1183 class where a virtual function instance is actually defined, and the
1184 lexical scope of a friend function defined in a class body. */
1185 #define DECL_CLASS_CONTEXT(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.context)
1186 #define DECL_REAL_CONTEXT(NODE) \
1187 ((TREE_CODE (NODE) == FUNCTION_DECL && DECL_FUNCTION_MEMBER_P (NODE)) \
1188 ? DECL_CLASS_CONTEXT (NODE) : CP_DECL_CONTEXT (NODE))
1190 /* NULL_TREE in DECL_CONTEXT represents the global namespace. */
1191 #define CP_DECL_CONTEXT(NODE) \
1192 (DECL_CONTEXT (NODE) ? DECL_CONTEXT (NODE) : global_namespace)
1193 #define FROB_CONTEXT(NODE) ((NODE) == global_namespace ? NULL_TREE : (NODE))
1195 /* 1 iff NODE has namespace scope, including the global namespace. */
1196 #define DECL_NAMESPACE_SCOPE_P(NODE) \
1197 (DECL_CONTEXT (NODE) == NULL_TREE \
1198 || TREE_CODE (DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
1200 /* 1 iff NODE is a class member. */
1201 #define DECL_CLASS_SCOPE_P(NODE) \
1202 (DECL_CONTEXT (NODE) \
1203 && TREE_CODE_CLASS (TREE_CODE (DECL_CONTEXT (NODE))) == 't')
1205 /* For a NAMESPACE_DECL: the list of using namespace directives
1206 The PURPOSE is the used namespace, the value is the namespace
1207 that is the common ancestor. */
1208 #define DECL_NAMESPACE_USING(NODE) DECL_VINDEX(NODE)
1210 /* In a NAMESPACE_DECL, the DECL_INITIAL is used to record all users
1211 of a namespace, to record the transitive closure of using namespace. */
1212 #define DECL_NAMESPACE_USERS(NODE) DECL_INITIAL (NODE)
1214 /* In a NAMESPACE_DECL, points to the original namespace if this is
1215 a namespace alias. */
1216 #define DECL_NAMESPACE_ALIAS(NODE) DECL_ABSTRACT_ORIGIN (NODE)
1217 #define ORIGINAL_NAMESPACE(NODE) \
1218 (DECL_NAMESPACE_ALIAS (NODE) ? DECL_NAMESPACE_ALIAS (NODE) : (NODE))
1220 /* In a TREE_LIST concatenating using directives, indicate indirekt
1222 #define TREE_INDIRECT_USING(NODE) ((NODE)->common.lang_flag_0)
1224 /* In a VAR_DECL for a variable declared in a for statement,
1225 this is the shadowed (local) variable. */
1226 #define DECL_SHADOWED_FOR_VAR(NODE) DECL_RESULT(NODE)
1228 /* Points back to the decl which caused this lang_decl to be allocated. */
1229 #define DECL_MAIN_VARIANT(NODE) (DECL_LANG_SPECIFIC(NODE)->main_decl_variant)
1231 /* For a FUNCTION_DECL: if this function was declared inline inside of
1232 a class declaration, this is where the text for the function is
1234 #define DECL_PENDING_INLINE_INFO(NODE) (DECL_LANG_SPECIFIC(NODE)->pending_inline_info)
1236 /* True if on the saved_inlines (see decl2.c) list. */
1237 #define DECL_SAVED_INLINE(DECL) \
1238 (DECL_LANG_SPECIFIC(DECL)->decl_flags.saved_inline)
1240 /* For a FUNCTION_DECL: if this function was declared inside a signature
1241 declaration, this is the corresponding member function pointer that was
1243 #define DECL_MEMFUNC_POINTER_TO(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.memfunc_pointer_to)
1245 /* For a FIELD_DECL: this points to the signature member function from
1246 which this signature member function pointer was created. */
1247 #define DECL_MEMFUNC_POINTING_TO(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.memfunc_pointer_to)
1249 /* For a VAR_DECL or FUNCTION_DECL: template-specific information. */
1250 #define DECL_TEMPLATE_INFO(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.template_info)
1252 /* Template information for a RECORD_TYPE or UNION_TYPE. */
1253 #define CLASSTYPE_TEMPLATE_INFO(NODE) (TYPE_LANG_SPECIFIC(NODE)->template_info)
1255 /* Template information for an ENUMERAL_TYPE. Although an enumeration may
1256 not be a primary template, it may be declared within the scope of a
1257 primary template and the enumeration constants may depend on
1258 non-type template parameters. */
1259 #define ENUM_TEMPLATE_INFO(NODE) (TYPE_BINFO (NODE))
1261 /* Template information for an ENUMERAL_, RECORD_, or UNION_TYPE. */
1262 #define TYPE_TEMPLATE_INFO(NODE) \
1263 (TREE_CODE (NODE) == ENUMERAL_TYPE \
1264 ? ENUM_TEMPLATE_INFO (NODE) : CLASSTYPE_TEMPLATE_INFO (NODE))
1266 /* Set the template information for an ENUMERAL_, RECORD_, or
1267 UNION_TYPE to VAL. */
1268 #define SET_TYPE_TEMPLATE_INFO(NODE, VAL) \
1269 (TREE_CODE (NODE) == ENUMERAL_TYPE \
1270 ? (ENUM_TEMPLATE_INFO (NODE) = VAL) \
1271 : (CLASSTYPE_TEMPLATE_INFO (NODE) = VAL))
1273 #define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
1274 #define TI_ARGS(NODE) (TREE_VALUE (NODE))
1275 #define TI_SPEC_INFO(NODE) (TREE_CHAIN (NODE))
1276 #define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
1278 /* The TEMPLATE_DECL instantiated or specialized by NODE. This
1279 TEMPLATE_DECL will be the immediate parent, not the most general
1280 template. For example, in:
1282 template <class T> struct S { template <class U> void f(U); }
1284 the FUNCTION_DECL for S<int>::f<double> will have, as its
1285 DECL_TI_TEMPLATE, `template <class U> S<int>::f<U>'.
1287 As a special case, for a member friend template of a template
1288 class, this value will not be a TEMPLATE_DECL, but rather a
1289 LOOKUP_EXPR or IDENTIFIER_NODE indicating the name of the template
1290 and any explicit template arguments provided. For example, in:
1292 template <class T> struct S { friend void f<int>(int, double); }
1294 the DECL_TI_TEMPLATE will be a LOOKUP_EXPR for `f' and the
1295 DECL_TI_ARGS will be {int}. */
1296 #define DECL_TI_TEMPLATE(NODE) TI_TEMPLATE (DECL_TEMPLATE_INFO (NODE))
1298 /* The template arguments used to obtain this decl from the most
1299 general form of DECL_TI_TEMPLATE. For the example given for
1300 DECL_TI_TEMPLATE, the DECL_TI_ARGS will be {int, double}. These
1301 are always the full set of arguments required to instantiate this
1302 declaration from the most general template specialized here. */
1303 #define DECL_TI_ARGS(NODE) TI_ARGS (DECL_TEMPLATE_INFO (NODE))
1304 #define CLASSTYPE_TI_TEMPLATE(NODE) TI_TEMPLATE (CLASSTYPE_TEMPLATE_INFO (NODE))
1305 #define CLASSTYPE_TI_ARGS(NODE) TI_ARGS (CLASSTYPE_TEMPLATE_INFO (NODE))
1306 #define CLASSTYPE_TI_SPEC_INFO(NODE) TI_SPEC_INFO (CLASSTYPE_TEMPLATE_INFO (NODE))
1307 #define ENUM_TI_TEMPLATE(NODE) \
1308 TI_TEMPLATE (ENUM_TEMPLATE_INFO (NODE))
1309 #define ENUM_TI_ARGS(NODE) \
1310 TI_ARGS (ENUM_TEMPLATE_INFO (NODE))
1312 /* Like DECL_TI_TEMPLATE, but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
1313 #define TYPE_TI_TEMPLATE(NODE) \
1314 (TI_TEMPLATE (TYPE_TEMPLATE_INFO (NODE)))
1316 /* Like DECL_TI_ARGS, , but for an ENUMERAL_, RECORD_, or UNION_TYPE. */
1317 #define TYPE_TI_ARGS(NODE) \
1318 (TI_ARGS (TYPE_TEMPLATE_INFO (NODE)))
1320 #define INNERMOST_TEMPLATE_PARMS(NODE) TREE_VALUE(NODE)
1322 #define TEMPLATE_PARMS_FOR_INLINE(NODE) TREE_LANG_FLAG_1 (NODE)
1324 #define DECL_SAVED_TREE(NODE) DECL_MEMFUNC_POINTER_TO (NODE)
1325 #define COMPOUND_STMT_NO_SCOPE(NODE) TREE_LANG_FLAG_0 (NODE)
1326 #define NEW_EXPR_USE_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
1327 #define DELETE_EXPR_USE_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
1328 #define DELETE_EXPR_USE_VEC(NODE) TREE_LANG_FLAG_1 (NODE)
1329 #define LOOKUP_EXPR_GLOBAL(NODE) TREE_LANG_FLAG_0 (NODE)
1331 /* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
1332 TEMPLATE_DECL. This macro determines whether or not a given class
1333 type is really a template type, as opposed to an instantiation or
1334 specialization of one. */
1335 #define CLASSTYPE_IS_TEMPLATE(NODE) \
1336 (CLASSTYPE_TEMPLATE_INFO (NODE) \
1337 && !CLASSTYPE_USE_TEMPLATE (NODE) \
1338 && PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (NODE)))
1340 #define TYPENAME_TYPE_FULLNAME(NODE) CLASSTYPE_SIZE (NODE)
1342 /* Nonzero in INTEGER_CST means that this int is negative by dint of
1343 using a twos-complement negated operand. */
1344 #define TREE_NEGATED_INT(NODE) (TREE_LANG_FLAG_0 (NODE))
1347 /* Nonzero in any kind of _EXPR or _REF node means that it is a call
1348 to a storage allocation routine. If, later, alternate storage
1349 is found to hold the object, this call can be ignored. */
1350 #define TREE_CALLS_NEW(NODE) (TREE_LANG_FLAG_1 (NODE))
1353 /* Nonzero in any kind of _TYPE that uses multiple inheritance
1354 or virtual baseclasses. */
1355 #define TYPE_USES_COMPLEX_INHERITANCE(NODE) (TREE_LANG_FLAG_1 (NODE))
1358 /* Nonzero in IDENTIFIER_NODE means that this name is not the name the user
1359 gave; it's a DECL_NESTED_TYPENAME. Someone may want to set this on
1360 mangled function names, too, but it isn't currently. */
1361 #define TREE_MANGLED(NODE) (TREE_LANG_FLAG_0 (NODE))
1365 /* Nonzero in IDENTIFIER_NODE means that this name is overloaded, and
1366 should be looked up in a non-standard way. */
1367 #define DECL_OVERLOADED(NODE) (FOO)
1370 /* Nonzero if this (non-TYPE)_DECL has its virtual attribute set.
1371 For a FUNCTION_DECL, this is when the function is a virtual function.
1372 For a VAR_DECL, this is when the variable is a virtual function table.
1373 For a FIELD_DECL, when the field is the field for the virtual function table.
1374 For an IDENTIFIER_NODE, nonzero if any function with this name
1375 has been declared virtual.
1377 For a _TYPE if it uses virtual functions (or is derived from
1379 #define TYPE_VIRTUAL_P(NODE) (TREE_LANG_FLAG_2 (NODE))
1381 extern int flag_new_for_scope;
1383 /* This flag is true of a local VAR_DECL if it was declared in a for
1384 statement, but we are no longer in the scope of the for. */
1385 #define DECL_DEAD_FOR_LOCAL(NODE) DECL_LANG_FLAG_7 (NODE)
1387 /* This flag is set on a VAR_DECL that is a DECL_DEAD_FOR_LOCAL
1388 if we already emitted a warning about using it. */
1389 #define DECL_ERROR_REPORTED(NODE) DECL_LANG_FLAG_0 (NODE)
1391 /* This _DECL represents a compiler-generated entity. */
1392 #define SET_DECL_ARTIFICIAL(NODE) (DECL_ARTIFICIAL (NODE) = 1)
1394 /* Record whether a typedef for type `int' was actually `signed int'. */
1395 #define C_TYPEDEF_EXPLICITLY_SIGNED(exp) DECL_LANG_FLAG_1 ((exp))
1397 /* Nonzero if the type T promotes to itself.
1398 ANSI C states explicitly the list of types that promote;
1399 in particular, short promotes to int even if they have the same width. */
1400 #define C_PROMOTING_INTEGER_TYPE_P(t) \
1401 (TREE_CODE ((t)) == INTEGER_TYPE \
1402 && (TYPE_MAIN_VARIANT (t) == char_type_node \
1403 || TYPE_MAIN_VARIANT (t) == signed_char_type_node \
1404 || TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \
1405 || TYPE_MAIN_VARIANT (t) == short_integer_type_node \
1406 || TYPE_MAIN_VARIANT (t) == short_unsigned_type_node))
1408 #define INTEGRAL_CODE_P(CODE) \
1409 (CODE == INTEGER_TYPE || CODE == ENUMERAL_TYPE || CODE == BOOLEAN_TYPE)
1410 #define ARITHMETIC_TYPE_P(TYPE) (INTEGRAL_TYPE_P (TYPE) || FLOAT_TYPE_P (TYPE))
1412 /* Mark which labels are explicitly declared.
1413 These may be shadowed, and may be referenced from nested functions. */
1414 #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
1416 /* Nonzero for _TYPE means that the _TYPE defines
1417 at least one constructor. */
1418 #define TYPE_HAS_CONSTRUCTOR(NODE) (TYPE_LANG_FLAG_1(NODE))
1420 /* When appearing in an INDIRECT_REF, it means that the tree structure
1421 underneath is actually a call to a constructor. This is needed
1422 when the constructor must initialize local storage (which can
1423 be automatically destroyed), rather than allowing it to allocate
1424 space from the heap.
1426 When appearing in a SAVE_EXPR, it means that underneath
1427 is a call to a constructor.
1429 When appearing in a CONSTRUCTOR, it means that it was
1430 a GNU C constructor expression.
1432 When appearing in a FIELD_DECL, it means that this field
1433 has been duly initialized in its constructor. */
1434 #define TREE_HAS_CONSTRUCTOR(NODE) (TREE_LANG_FLAG_4(NODE))
1436 #define EMPTY_CONSTRUCTOR_P(NODE) (TREE_CODE (NODE) == CONSTRUCTOR \
1437 && CONSTRUCTOR_ELTS (NODE) == NULL_TREE)
1440 /* Indicates that a NON_LVALUE_EXPR came from a C++ reference.
1441 Used to generate more helpful error message in case somebody
1442 tries to take its address. */
1443 #define TREE_REFERENCE_EXPR(NODE) (TREE_LANG_FLAG_3(NODE))
1446 /* Nonzero for _TYPE means that the _TYPE defines a destructor. */
1447 #define TYPE_HAS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_2(NODE))
1450 /* Nonzero for _TYPE node means that creating an object of this type
1451 will involve a call to a constructor. This can apply to objects
1452 of ARRAY_TYPE if the type of the elements needs a constructor. */
1453 #define TYPE_NEEDS_CONSTRUCTING(NODE) ... defined in ../tree.h ...
1456 /* Nonzero means that an object of this type can not be initialized using
1457 an initializer list. */
1458 #define CLASSTYPE_NON_AGGREGATE(NODE) \
1459 (TYPE_LANG_SPECIFIC (NODE)->type_flags.non_aggregate)
1460 #define TYPE_NON_AGGREGATE_CLASS(NODE) \
1461 (IS_AGGR_TYPE (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
1463 /* Nonzero if there is a user-defined X::op=(x&) for this class. */
1464 #define TYPE_HAS_REAL_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_real_assign_ref)
1465 #define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_complex_assign_ref)
1466 #define TYPE_HAS_ABSTRACT_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_abstract_assign_ref)
1467 #define TYPE_HAS_COMPLEX_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_complex_init_ref)
1469 /* Nonzero for _TYPE node means that destroying an object of this type
1470 will involve a call to a destructor. This can apply to objects
1471 of ARRAY_TYPE is the type of the elements needs a destructor. */
1472 #define TYPE_NEEDS_DESTRUCTOR(NODE) (TYPE_LANG_FLAG_4(NODE))
1474 /* Nonzero for class type means that initialization of this type can use
1476 #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
1477 (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
1479 /* Nonzero for class type means that assignment of this type can use
1481 #define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
1482 (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
1484 #define TYPE_PTRMEM_P(NODE) \
1485 (TREE_CODE (NODE) == POINTER_TYPE \
1486 && TREE_CODE (TREE_TYPE (NODE)) == OFFSET_TYPE)
1487 #define TYPE_PTR_P(NODE) \
1488 (TREE_CODE (NODE) == POINTER_TYPE \
1489 && TREE_CODE (TREE_TYPE (NODE)) != OFFSET_TYPE)
1490 #define TYPE_PTROB_P(NODE) \
1491 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE \
1492 && TREE_CODE (TREE_TYPE (NODE)) != VOID_TYPE)
1493 #define TYPE_PTROBV_P(NODE) \
1494 (TYPE_PTR_P (NODE) && TREE_CODE (TREE_TYPE (NODE)) != FUNCTION_TYPE)
1495 #define TYPE_PTRFN_P(NODE) \
1496 (TREE_CODE (NODE) == POINTER_TYPE \
1497 && TREE_CODE (TREE_TYPE (NODE)) == FUNCTION_TYPE)
1499 /* Nonzero for _TYPE node means that this type is a pointer to member
1501 #define TYPE_PTRMEMFUNC_P(NODE) (TREE_CODE(NODE) == RECORD_TYPE && TYPE_LANG_SPECIFIC(NODE)->type_flags.ptrmemfunc_flag)
1502 #define TYPE_PTRMEMFUNC_FLAG(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.ptrmemfunc_flag)
1503 /* Get the POINTER_TYPE to the METHOD_TYPE associated with this
1504 pointer to member function. TYPE_PTRMEMFUNC_P _must_ be true,
1505 before using this macro. */
1506 #define TYPE_PTRMEMFUNC_FN_TYPE(NODE) (TREE_TYPE (TYPE_FIELDS (TREE_TYPE (TREE_CHAIN (TREE_CHAIN (TYPE_FIELDS (NODE)))))))
1508 /* Returns `A' for a type like `int (A::*)(double)' */
1509 #define TYPE_PTRMEMFUNC_OBJECT_TYPE(NODE) \
1510 TYPE_METHOD_BASETYPE (TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (NODE)))
1512 /* These are use to manipulate the canonical RECORD_TYPE from the
1513 hashed POINTER_TYPE, and can only be used on the POINTER_TYPE. */
1514 #define TYPE_GET_PTRMEMFUNC_TYPE(NODE) ((tree)TYPE_LANG_SPECIFIC(NODE))
1515 #define TYPE_SET_PTRMEMFUNC_TYPE(NODE, VALUE) (TYPE_LANG_SPECIFIC(NODE) = ((struct lang_type *)(void*)(VALUE)))
1516 /* These are to get the delta2 and pfn fields from a TYPE_PTRMEMFUNC_P. */
1517 #define DELTA2_FROM_PTRMEMFUNC(NODE) (build_component_ref (build_component_ref ((NODE), pfn_or_delta2_identifier, NULL_TREE, 0), delta2_identifier, NULL_TREE, 0))
1518 #define PFN_FROM_PTRMEMFUNC(NODE) (build_component_ref (build_component_ref ((NODE), pfn_or_delta2_identifier, NULL_TREE, 0), pfn_identifier, NULL_TREE, 0))
1520 /* For a pointer-to-member constant `X::Y' this is the RECORD_TYPE for
1522 #define PTRMEM_CST_CLASS(NODE) \
1523 (TYPE_PTRMEM_P (TREE_TYPE (NODE)) \
1524 ? TYPE_OFFSET_BASETYPE (TREE_TYPE (NODE)) \
1525 : TYPE_PTRMEMFUNC_OBJECT_TYPE (TREE_TYPE (NODE)))
1527 /* For a pointer-to-member constant `X::Y' this is the _DECL for
1529 #define PTRMEM_CST_MEMBER(NODE) (((ptrmem_cst_t) NODE)->member)
1531 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
1532 specified in its declaration. */
1533 #define DECL_THIS_EXTERN(NODE) (DECL_LANG_FLAG_2(NODE))
1535 /* Nonzero for VAR_DECL and FUNCTION_DECL node means that `static' was
1536 specified in its declaration. */
1537 #define DECL_THIS_STATIC(NODE) (DECL_LANG_FLAG_6(NODE))
1539 /* Nonzero for SAVE_EXPR if used to initialize a PARM_DECL. */
1540 #define PARM_DECL_EXPR(NODE) (TREE_LANG_FLAG_2(NODE))
1542 /* Nonzero in FUNCTION_DECL means it is really an operator.
1543 Just used to communicate formatting information to dbxout.c. */
1544 #define DECL_OPERATOR(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.operator_attr)
1546 #define ANON_UNION_P(NODE) (DECL_NAME (NODE) == 0)
1548 /* Nonzero if TYPE is an anonymous union type. */
1549 #define ANON_UNION_TYPE_P(TYPE) \
1550 (TREE_CODE (TYPE) == UNION_TYPE \
1551 && ANON_AGGRNAME_P (TYPE_IDENTIFIER (TYPE)))
1553 #define UNKNOWN_TYPE LANG_TYPE
1555 /* Define fields and accessors for nodes representing declared names. */
1558 /* C++: A derived class may be able to directly use the virtual
1559 function table of a base class. When it does so, it may
1560 still have a decl node used to access the virtual function
1561 table (so that variables of this type can initialize their
1562 virtual function table pointers by name). When such thievery
1563 is committed, know exactly which base class's virtual function
1564 table is the one being stolen. This effectively computes the
1565 transitive closure. */
1566 #define DECL_VPARENT(NODE) ((NODE)->decl.arguments)
1569 #define TYPE_WAS_ANONYMOUS(NODE) (TYPE_LANG_SPECIFIC (NODE)->type_flags.was_anonymous)
1571 /* C++: all of these are overloaded! These apply only to TYPE_DECLs. */
1573 /* The format of each node in the DECL_FRIENDLIST is as follows:
1575 The TREE_PURPOSE will be the name of a function, i.e., an
1576 IDENTIFIER_NODE. The TREE_VALUE will be itself a TREE_LIST, the
1577 list of functions with that name which are friends. The
1578 TREE_PURPOSE of each node in this sublist will be error_mark_node,
1579 if the function was declared a friend individually, in which case
1580 the TREE_VALUE will be the function_decl. If, however, all
1581 functions with a given name in a class were declared to be friends,
1582 the TREE_PUROSE will be the class type, and the TREE_VALUE will be
1584 #define DECL_FRIENDLIST(NODE) (DECL_INITIAL (NODE))
1586 /* The DECL_ACCESS is used to record under which context
1587 special access rules apply. */
1588 #define DECL_ACCESS(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.access)
1590 /* C++: all of these are overloaded!
1591 These apply to PARM_DECLs and VAR_DECLs. */
1592 #define DECL_REFERENCE_SLOT(NODE) ((tree)(NODE)->decl.arguments)
1593 #define SET_DECL_REFERENCE_SLOT(NODE,VAL) ((NODE)->decl.arguments=VAL)
1595 /* Accessor macros for C++ template decl nodes. */
1597 /* The DECL_TEMPLATE_PARMS are a list. The TREE_PURPOSE of each node
1598 is a INT_CST whose TREE_INT_CST_HIGH indicates the level of the
1599 template parameters, with 1 being the outermost set of template
1600 parameters. The TREE_VALUE is a vector, whose elements are the
1601 template parameters at each level. Each element in the vector is a
1602 TREE_LIST, whose TREE_VALUE is a PARM_DECL (if the parameter is a
1603 non-type parameter), or a TYPE_DECL (if the parameter is a type
1604 parameter). The TREE_PURPOSE is the default value, if any. The
1605 TEMPLATE_PARM_INDEX for the parameter is avilable as the
1606 DECL_INITIAL (for a PARM_DECL) or as the TREE_TYPE (for a
1608 #define DECL_TEMPLATE_PARMS(NODE) DECL_ARGUMENTS(NODE)
1609 #define DECL_INNERMOST_TEMPLATE_PARMS(NODE) \
1610 INNERMOST_TEMPLATE_PARMS (DECL_TEMPLATE_PARMS (NODE))
1611 #define DECL_NTPARMS(NODE) \
1612 TREE_VEC_LENGTH (DECL_INNERMOST_TEMPLATE_PARMS (NODE))
1613 /* For function, method, class-data templates. */
1614 #define DECL_TEMPLATE_RESULT(NODE) DECL_RESULT(NODE)
1615 /* For a static member variable template, the
1616 DECL_TEMPLATE_INSTANTIATIONS list contains the explicitly and
1617 implicitly generated instantiations of the variable. There are no
1618 partial instantiations of static member variables, so all of these
1619 will be full instantiations.
1621 For a class template the DECL_TEMPLATE_INSTANTIATIONS lists holds
1622 all instantiations and specializations of the class type, including
1623 partial instantiations and partial specializations.
1625 In both cases, the TREE_PURPOSE of each node contains the arguments
1626 used; the TREE_VALUE contains the generated variable. The template
1627 arguments are always complete. For example, given:
1629 template <class T> struct S1 {
1630 template <class U> struct S2 {};
1631 template <class U> struct S2<U*> {};
1634 the record for the partial specialization will contain, as its
1635 argument list, { {T}, {U*} }, and will be on the
1636 DECL_TEMPLATE_INSTANTIATIONS list for `template <class T> template
1637 <class U> struct S1<T>::S2'.
1639 This list is not used for function templates. */
1640 #define DECL_TEMPLATE_INSTANTIATIONS(NODE) DECL_VINDEX(NODE)
1641 /* For a function template, the DECL_TEMPLATE_SPECIALIZATIONS lists
1642 contains all instantiations and specializations of the function,
1643 including partial instantiations. For a partial instantiation
1644 which is a specialization, this list holds only full
1645 specializations of the template that are instantiations of the
1646 partial instantiation. For example, given:
1648 template <class T> struct S {
1649 template <class U> void f(U);
1650 template <> void f(T);
1653 the `S<int>::f<int>(int)' function will appear on the
1654 DECL_TEMPLATE_SPECIALIZATIONS list for both `template <class T>
1655 template <class U> void S<T>::f(U)' and `template <class T> void
1656 S<int>::f(T)'. In the latter case, however, it will have only the
1657 innermost set of arguments (T, in this case). The DECL_TI_TEMPLATE
1658 for the function declaration will point at the specialization, not
1659 the fully general template.
1661 For a class template, this list contains the partial
1662 specializations of this template. (Full specializations are not
1663 recorded on this list.) The TREE_PURPOSE holds the innermost
1664 arguments used in the partial specialization (e.g., for `template
1665 <class T> struct S<T*, int>' this will be `T*'.) The TREE_VALUE
1666 holds the innermost template parameters for the specialization
1667 (e.g., `T' in the example above.) The TREE_TYPE is the _TYPE node
1668 for the partial specialization.
1670 This list is not used for static variable templates. */
1671 #define DECL_TEMPLATE_SPECIALIZATIONS(NODE) DECL_SIZE(NODE)
1672 #define DECL_TEMPLATE_INJECT(NODE) DECL_INITIAL(NODE)
1674 /* Nonzero for TEMPLATE_DECL nodes that represents template template
1676 #define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
1677 (TREE_CODE (NODE) == TEMPLATE_DECL && TREE_TYPE (NODE) \
1678 && TREE_CODE (TREE_TYPE (NODE)) == TEMPLATE_TEMPLATE_PARM)
1680 #define DECL_FUNCTION_TEMPLATE_P(NODE) \
1681 (TREE_CODE (NODE) == TEMPLATE_DECL \
1682 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
1684 /* Nonzero for a DECL that represents a template class. */
1685 #define DECL_CLASS_TEMPLATE_P(NODE) \
1686 (TREE_CODE (NODE) == TEMPLATE_DECL \
1687 && TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
1688 && !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
1690 /* Nonzero if NODE which declares a type. */
1691 #define DECL_DECLARES_TYPE_P(NODE) \
1692 (TREE_CODE (NODE) == TYPE_DECL || DECL_CLASS_TEMPLATE_P (NODE))
1694 /* A `primary' template is one that has its own template header. A
1695 member function of a class template is a template, but not primary.
1696 A member template is primary. Friend templates are primary, too. */
1698 /* Returns the primary template corresponding to these parameters. */
1699 #define DECL_PRIMARY_TEMPLATE(NODE) \
1700 (TREE_TYPE (DECL_INNERMOST_TEMPLATE_PARMS (NODE)))
1702 /* Returns non-zero if NODE is a primary template. */
1703 #define PRIMARY_TEMPLATE_P(NODE) (DECL_PRIMARY_TEMPLATE (NODE) == NODE)
1705 #define CLASSTYPE_TEMPLATE_LEVEL(NODE) \
1706 (TREE_INT_CST_HIGH (TREE_PURPOSE (CLASSTYPE_TI_TEMPLATE (NODE))))
1708 /* Indicates whether or not (and how) a template was expanded for this
1709 FUNCTION_DECL or VAR_DECL.
1710 0=normal declaration, e.g. int min (int, int);
1711 1=implicit template instantiation
1712 2=explicit template specialization, e.g. int min<int> (int, int);
1713 3=explicit template instantiation, e.g. template int min<int> (int, int); */
1714 #define DECL_USE_TEMPLATE(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.use_template)
1716 #define DECL_TEMPLATE_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) & 1)
1717 #define CLASSTYPE_TEMPLATE_INSTANTIATION(NODE) \
1718 (CLASSTYPE_USE_TEMPLATE (NODE) & 1)
1720 #define DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) == 2)
1721 #define SET_DECL_TEMPLATE_SPECIALIZATION(NODE) (DECL_USE_TEMPLATE (NODE) = 2)
1722 #define CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
1723 (CLASSTYPE_USE_TEMPLATE (NODE) == 2)
1724 #define SET_CLASSTYPE_TEMPLATE_SPECIALIZATION(NODE) \
1725 (CLASSTYPE_USE_TEMPLATE (NODE) = 2)
1727 #define DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 1)
1728 #define SET_DECL_IMPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 1)
1729 #define CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
1730 (CLASSTYPE_USE_TEMPLATE(NODE) == 1)
1731 #define SET_CLASSTYPE_IMPLICIT_INSTANTIATION(NODE) \
1732 (CLASSTYPE_USE_TEMPLATE(NODE) = 1)
1734 #define DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) == 3)
1735 #define SET_DECL_EXPLICIT_INSTANTIATION(NODE) (DECL_USE_TEMPLATE (NODE) = 3)
1736 #define CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
1737 (CLASSTYPE_USE_TEMPLATE(NODE) == 3)
1738 #define SET_CLASSTYPE_EXPLICIT_INSTANTIATION(NODE) \
1739 (CLASSTYPE_USE_TEMPLATE(NODE) = 3)
1741 /* Non-zero if DECL is a friend function which is an instantiation
1742 from the point of view of the compiler, but not from the point of
1743 view of the language. For example given:
1744 template <class T> struct S { friend void f(T) {}; };
1745 the declaration of `void f(int)' generated when S<int> is
1746 instantiated will not be a DECL_TEMPLATE_INSTANTIATION, but will be
1747 a DECL_FRIEND_PSUEDO_TEMPLATE_INSTANTIATION. */
1748 #define DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION(DECL) \
1749 (DECL_TEMPLATE_INFO (DECL) && !DECL_USE_TEMPLATE (DECL))
1751 /* Non-zero iff we are currently processing a declaration for an
1752 entity with its own template parameter list, and which is not a
1753 full specialization. */
1754 #define PROCESSING_REAL_TEMPLATE_DECL_P() \
1755 (processing_template_decl > template_class_depth (current_class_type))
1757 /* This function may be a guiding decl for a template. */
1758 #define DECL_MAYBE_TEMPLATE(NODE) DECL_LANG_FLAG_4 (NODE)
1759 /* We know what we're doing with this decl now. */
1760 #define DECL_INTERFACE_KNOWN(NODE) DECL_LANG_FLAG_5 (NODE)
1762 /* This function was declared inline. This flag controls the linkage
1763 semantics of 'inline'; whether or not the function is inlined is
1764 controlled by DECL_INLINE. */
1765 #define DECL_THIS_INLINE(NODE) \
1766 (DECL_LANG_SPECIFIC (NODE)->decl_flags.declared_inline)
1768 /* DECL_EXTERNAL must be set on a decl until the decl is actually emitted,
1769 so that assemble_external will work properly. So we have this flag to
1770 tell us whether the decl is really not external. */
1771 #define DECL_NOT_REALLY_EXTERN(NODE) \
1772 (DECL_LANG_SPECIFIC (NODE)->decl_flags.not_really_extern)
1774 #define DECL_REALLY_EXTERN(NODE) \
1775 (DECL_EXTERNAL (NODE) && ! DECL_NOT_REALLY_EXTERN (NODE))
1777 /* Used to tell cp_finish_decl that it should approximate comdat linkage
1778 as best it can for this decl. */
1779 #define DECL_COMDAT(NODE) (DECL_LANG_SPECIFIC (NODE)->decl_flags.comdat)
1781 #define THUNK_DELTA(DECL) ((DECL)->decl.frame_size.i)
1783 /* ...and for unexpanded-parameterized-type nodes. */
1784 #define UPT_TEMPLATE(NODE) TREE_PURPOSE(TYPE_VALUES(NODE))
1785 #define UPT_PARMS(NODE) TREE_VALUE(TYPE_VALUES(NODE))
1787 /* An un-parsed default argument looks like an identifier. */
1788 #define DEFARG_NODE_CHECK(t) TREE_CHECK(t, DEFAULT_ARG)
1789 #define DEFARG_LENGTH(NODE) (DEFARG_NODE_CHECK(NODE)->identifier.length)
1790 #define DEFARG_POINTER(NODE) (DEFARG_NODE_CHECK(NODE)->identifier.pointer)
1792 #define builtin_function(NAME, TYPE, CODE, LIBNAME) \
1793 define_function (NAME, TYPE, CODE, (void (*) PROTO((tree)))pushdecl, LIBNAME)
1795 /* These macros provide convenient access to the various _STMT nodes
1796 created when parsing template declarations. */
1797 #define IF_COND(NODE) TREE_OPERAND (NODE, 0)
1798 #define THEN_CLAUSE(NODE) TREE_OPERAND (NODE, 1)
1799 #define ELSE_CLAUSE(NODE) TREE_OPERAND (NODE, 2)
1800 #define WHILE_COND(NODE) TREE_OPERAND (NODE, 0)
1801 #define WHILE_BODY(NODE) TREE_OPERAND (NODE, 1)
1802 #define DO_COND(NODE) TREE_OPERAND (NODE, 0)
1803 #define DO_BODY(NODE) TREE_OPERAND (NODE, 1)
1804 #define RETURN_EXPR(NODE) TREE_OPERAND (NODE, 0)
1805 #define EXPR_STMT_EXPR(NODE) TREE_OPERAND (NODE, 0)
1806 #define FOR_INIT_STMT(NODE) TREE_OPERAND (NODE, 0)
1807 #define FOR_COND(NODE) TREE_OPERAND (NODE, 1)
1808 #define FOR_EXPR(NODE) TREE_OPERAND (NODE, 2)
1809 #define FOR_BODY(NODE) TREE_OPERAND (NODE, 3)
1810 #define SWITCH_COND(NODE) TREE_OPERAND (NODE, 0)
1811 #define SWITCH_BODY(NODE) TREE_OPERAND (NODE, 1)
1812 #define CASE_LOW(NODE) TREE_OPERAND (NODE, 0)
1813 #define CASE_HIGH(NODE) TREE_OPERAND (NODE, 1)
1814 #define GOTO_DESTINATION(NODE) TREE_OPERAND (NODE, 0)
1815 #define TRY_STMTS(NODE) TREE_OPERAND (NODE, 0)
1816 #define TRY_HANDLERS(NODE) TREE_OPERAND (NODE, 1)
1817 #define HANDLER_PARMS(NODE) TREE_OPERAND (NODE, 0)
1818 #define HANDLER_BODY(NODE) TREE_OPERAND (NODE, 1)
1819 #define COMPOUND_BODY(NODE) TREE_OPERAND (NODE, 0)
1820 #define ASM_CV_QUAL(NODE) TREE_OPERAND (NODE, 0)
1821 #define ASM_STRING(NODE) TREE_OPERAND (NODE, 1)
1822 #define ASM_OUTPUTS(NODE) TREE_OPERAND (NODE, 2)
1823 #define ASM_INPUTS(NODE) TREE_OPERAND (NODE, 3)
1824 #define ASM_CLOBBERS(NODE) TREE_OPERAND (NODE, 4)
1826 /* An enumeration of the kind of tags that C++ accepts. */
1827 enum tag_types { record_type, class_type, union_type, enum_type,
1830 /* Zero means prototype weakly, as in ANSI C (no args means nothing).
1831 Each language context defines how this variable should be set. */
1832 extern int strict_prototype;
1833 extern int strict_prototypes_lang_c, strict_prototypes_lang_cplusplus;
1835 /* Non-zero means that if a label exists, and no other identifier
1836 applies, use the value of the label. */
1837 extern int flag_labels_ok;
1839 /* Non-zero means to collect statistics which might be expensive
1840 and to print them when we are done. */
1841 extern int flag_detailed_statistics;
1843 /* Non-zero means warn in function declared in derived class has the
1844 same name as a virtual in the base class, but fails to match the
1845 type signature of any virtual function in the base class. */
1846 extern int warn_overloaded_virtual;
1848 /* Nonzero means warn about use of multicharacter literals. */
1849 extern int warn_multichar;
1851 /* Non-zero means warn if a non-templatized friend function is
1852 declared in a templatized class. This behavior is warned about with
1853 flag_guiding_decls in do_friend. */
1854 extern int warn_nontemplate_friend;
1857 extern void declare_function_name PROTO((void));
1858 extern void decl_attributes PROTO((tree, tree, tree));
1859 extern void init_function_format_info PROTO((void));
1860 extern void record_function_format PROTO((tree, tree, int, int, int));
1861 extern void check_function_format PROTO((tree, tree, tree));
1862 /* Print an error message for invalid operands to arith operation CODE.
1863 NOP_EXPR is used as a special case (see truthvalue_conversion). */
1864 extern void binary_op_error PROTO((enum tree_code));
1865 extern tree cp_build_type_variant PROTO((tree, int, int));
1866 extern tree canonical_type_variant PROTO((tree));
1867 extern void c_expand_expr_stmt PROTO((tree));
1868 /* Validate the expression after `case' and apply default promotions. */
1869 extern tree check_case_value PROTO((tree));
1870 /* Concatenate a list of STRING_CST nodes into one STRING_CST. */
1871 extern tree combine_strings PROTO((tree));
1872 extern void constant_expression_warning PROTO((tree));
1873 extern tree convert_and_check PROTO((tree, tree));
1874 extern void overflow_warning PROTO((tree));
1875 extern void unsigned_conversion_warning PROTO((tree, tree));
1877 /* Read the rest of the current #-directive line. */
1879 extern char *get_directive_line PROTO((void));
1880 #define GET_DIRECTIVE_LINE() get_directive_line ()
1882 extern char *get_directive_line PROTO((FILE *));
1883 #define GET_DIRECTIVE_LINE() get_directive_line (finput)
1885 /* Subroutine of build_binary_op, used for comparison operations.
1886 See if the operands have both been converted from subword integer types
1887 and, if so, perhaps change them both back to their original type. */
1888 extern tree shorten_compare PROTO((tree *, tree *, tree *, enum tree_code *));
1889 /* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
1890 or validate its data type for an `if' or `while' statement or ?..: exp. */
1891 extern tree truthvalue_conversion PROTO((tree));
1892 extern tree type_for_mode PROTO((enum machine_mode, int));
1893 extern tree type_for_size PROTO((unsigned, int));
1894 extern int c_get_alias_set PROTO((tree));
1897 extern tree void_list_node;
1898 extern tree void_zero_node;
1899 extern tree default_function_type;
1900 extern tree vtable_entry_type;
1901 extern tree sigtable_entry_type;
1902 extern tree __t_desc_type_node;
1904 extern tree __tp_desc_type_node;
1906 extern tree __access_mode_type_node;
1907 extern tree __bltn_desc_type_node, __user_desc_type_node;
1908 extern tree __class_desc_type_node, __attr_desc_type_node;
1909 extern tree __ptr_desc_type_node, __func_desc_type_node;
1910 extern tree __ptmf_desc_type_node, __ptmd_desc_type_node;
1911 extern tree type_info_type_node;
1912 extern tree class_star_type_node;
1913 extern tree this_identifier;
1914 extern tree ctor_identifier, dtor_identifier;
1915 extern tree pfn_identifier;
1916 extern tree index_identifier;
1917 extern tree delta_identifier;
1918 extern tree delta2_identifier;
1919 extern tree pfn_or_delta2_identifier;
1920 extern tree tag_identifier;
1921 extern tree vt_off_identifier;
1923 /* A node that is a list (length 1) of error_mark_nodes. */
1924 extern tree error_mark_list;
1926 extern tree ptr_type_node;
1927 extern tree class_type_node, record_type_node, union_type_node, enum_type_node;
1928 extern tree unknown_type_node;
1929 extern tree opaque_type_node, signature_type_node;
1931 /* Node for "pointer to (virtual) function".
1932 This may be distinct from ptr_type_node so gdb can distinguish them. */
1933 #define vfunc_ptr_type_node \
1934 (flag_vtable_thunks ? vtable_entry_type : ptr_type_node)
1936 /* The type of a vtbl, i.e., an array of vtable entries. */
1937 extern tree vtbl_type_node;
1938 /* The type of a class vtbl pointer, i.e., a pointer to a vtable entry. */
1939 extern tree vtbl_ptr_type_node;
1940 extern tree delta_type_node;
1941 extern tree std_node;
1943 extern tree long_long_integer_type_node, long_long_unsigned_type_node;
1944 /* For building calls to `delete'. */
1945 extern tree integer_two_node, integer_three_node;
1946 extern tree boolean_type_node, boolean_true_node, boolean_false_node;
1948 extern tree null_node;
1950 extern tree anonymous_namespace_name;
1954 /* These values are used for the `STRICT' parameter to type_unfication and
1955 fn_type_unification. Their meanings are described with the
1956 documentation for fn_type_unification. */
1958 typedef enum unification_kind_t {
1962 } unification_kind_t;
1964 extern tree current_template_parms;
1965 extern HOST_WIDE_INT processing_template_decl;
1966 extern tree last_tree;
1968 /* The template currently being instantiated, and where the instantiation
1975 struct tinst_level *next;
1978 extern int minimal_parse_mode;
1980 extern void maybe_print_template_context PROTO ((void));
1984 /* When parsing a class definition, the access specifier most recently
1985 given by the user, or, if no access specifier was given, the
1986 default value appropriate for the kind of class (i.e., struct,
1987 class, or union). */
1988 extern tree current_access_specifier;
1990 extern tree current_class_name;
1991 extern tree current_class_type;
1992 extern tree current_class_ptr;
1993 extern tree previous_class_type;
1994 extern tree current_class_ref;
1995 extern int current_class_depth;
1997 extern tree current_lang_name;
1998 extern tree lang_name_cplusplus, lang_name_c, lang_name_java;
2000 /* Points to the name of that function. May not be the DECL_NAME
2001 of CURRENT_FUNCTION_DECL due to overloading */
2002 extern tree original_function_name;
2005 extern tree global_base_init_list;
2006 extern tree current_base_init_list, current_member_init_list;
2008 extern int current_function_just_assigned_this;
2009 extern int current_function_parms_stored;
2011 /* Here's where we control how name mangling takes place. */
2013 #define OPERATOR_ASSIGN_FORMAT "__a%s"
2014 #define OPERATOR_FORMAT "__%s"
2015 #define OPERATOR_TYPENAME_FORMAT "__op"
2016 #define OPERATOR_TYPENAME_P(ID_NODE) \
2017 (IDENTIFIER_POINTER (ID_NODE)[0] == '_' \
2018 && IDENTIFIER_POINTER (ID_NODE)[1] == '_' \
2019 && IDENTIFIER_POINTER (ID_NODE)[2] == 'o' \
2020 && IDENTIFIER_POINTER (ID_NODE)[3] == 'p')
2023 /* Cannot use '$' up front, because this confuses gdb
2024 (names beginning with '$' are gdb-local identifiers).
2026 Note that all forms in which the '$' is significant are long enough
2027 for direct indexing (meaning that if we know there is a '$'
2028 at a particular location, we can index into the string at
2029 any other location that provides distinguishing characters). */
2031 /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
2032 doesn't allow '$' in symbol names. */
2033 #ifndef NO_DOLLAR_IN_LABEL
2037 #define VPTR_NAME "$v"
2038 #define THROW_NAME "$eh_throw"
2039 #define DESTRUCTOR_DECL_PREFIX "_$_"
2040 #define AUTO_VTABLE_NAME "__vtbl$me__"
2041 #define AUTO_TEMP_NAME "_$tmp_"
2042 #define AUTO_TEMP_FORMAT "_$tmp_%d"
2043 #define VTABLE_BASE "$vb"
2044 #define VTABLE_NAME_FORMAT (flag_vtable_thunks ? "__vt_%s" : "_vt$%s")
2045 #define VFIELD_BASE "$vf"
2046 #define VFIELD_NAME "_vptr$"
2047 #define VFIELD_NAME_FORMAT "_vptr$%s"
2048 #define VBASE_NAME "_vb$"
2049 #define VBASE_NAME_FORMAT "_vb$%s"
2050 #define STATIC_NAME_FORMAT "_%s$%s"
2051 #define ANON_AGGRNAME_FORMAT "$_%d"
2053 #else /* NO_DOLLAR_IN_LABEL */
2055 #ifndef NO_DOT_IN_LABEL
2059 #define VPTR_NAME ".v"
2060 #define THROW_NAME ".eh_throw"
2061 #define DESTRUCTOR_DECL_PREFIX "_._"
2062 #define AUTO_VTABLE_NAME "__vtbl.me__"
2063 #define AUTO_TEMP_NAME "_.tmp_"
2064 #define AUTO_TEMP_FORMAT "_.tmp_%d"
2065 #define VTABLE_BASE ".vb"
2066 #define VTABLE_NAME_FORMAT (flag_vtable_thunks ? "__vt_%s" : "_vt.%s")
2067 #define VFIELD_BASE ".vf"
2068 #define VFIELD_NAME "_vptr."
2069 #define VFIELD_NAME_FORMAT "_vptr.%s"
2070 #define VBASE_NAME "_vb."
2071 #define VBASE_NAME_FORMAT "_vb.%s"
2072 #define STATIC_NAME_FORMAT "_%s.%s"
2074 #define ANON_AGGRNAME_FORMAT "._%d"
2076 #else /* NO_DOT_IN_LABEL */
2078 #define VPTR_NAME "__vptr"
2079 #define VPTR_NAME_P(ID_NODE) \
2080 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VPTR_NAME, sizeof (VPTR_NAME) - 1))
2081 #define THROW_NAME "__eh_throw"
2082 #define DESTRUCTOR_DECL_PREFIX "__destr_"
2083 #define DESTRUCTOR_NAME_P(ID_NODE) \
2084 (!strncmp (IDENTIFIER_POINTER (ID_NODE), DESTRUCTOR_DECL_PREFIX, \
2085 sizeof (DESTRUCTOR_DECL_PREFIX) - 1))
2086 #define IN_CHARGE_NAME "__in_chrg"
2087 #define AUTO_VTABLE_NAME "__vtbl_me__"
2088 #define AUTO_TEMP_NAME "__tmp_"
2089 #define TEMP_NAME_P(ID_NODE) \
2090 (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, \
2091 sizeof (AUTO_TEMP_NAME) - 1))
2092 #define AUTO_TEMP_FORMAT "__tmp_%d"
2093 #define VTABLE_BASE "__vtb"
2094 #define VTABLE_NAME "__vt_"
2095 #define VTABLE_NAME_FORMAT (flag_vtable_thunks ? "__vt_%s" : "_vt_%s")
2096 #define VTABLE_NAME_P(ID_NODE) \
2097 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VTABLE_NAME, \
2098 sizeof (VTABLE_NAME) - 1))
2099 #define VFIELD_BASE "__vfb"
2100 #define VFIELD_NAME "__vptr_"
2101 #define VFIELD_NAME_P(ID_NODE) \
2102 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, \
2103 sizeof (VFIELD_NAME) - 1))
2104 #define VFIELD_NAME_FORMAT "_vptr_%s"
2105 #define VBASE_NAME "__vb_"
2106 #define VBASE_NAME_P(ID_NODE) \
2107 (!strncmp (IDENTIFIER_POINTER (ID_NODE), VBASE_NAME, \
2108 sizeof (VBASE_NAME) - 1))
2109 #define VBASE_NAME_FORMAT "__vb_%s"
2110 #define STATIC_NAME_FORMAT "__static_%s_%s"
2112 #define ANON_AGGRNAME_PREFIX "__anon_"
2113 #define ANON_AGGRNAME_P(ID_NODE) \
2114 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
2115 sizeof (ANON_AGGRNAME_PREFIX) - 1))
2116 #define ANON_AGGRNAME_FORMAT "__anon_%d"
2117 #define ANON_PARMNAME_FORMAT "__%d"
2118 #define ANON_PARMNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == '_' \
2119 && IDENTIFIER_POINTER (ID_NODE)[1] == '_' \
2120 && IDENTIFIER_POINTER (ID_NODE)[2] <= '9')
2122 #endif /* NO_DOT_IN_LABEL */
2123 #endif /* NO_DOLLAR_IN_LABEL */
2125 #define THIS_NAME "this"
2126 #define DESTRUCTOR_NAME_FORMAT "~%s"
2127 #define FILE_FUNCTION_PREFIX_LEN 9
2128 #define CTOR_NAME "__ct"
2129 #define DTOR_NAME "__dt"
2131 #define IN_CHARGE_NAME "__in_chrg"
2133 #define VTBL_PTR_TYPE "__vtbl_ptr_type"
2134 #define VTABLE_DELTA_NAME "__delta"
2135 #define VTABLE_INDEX_NAME "__index"
2136 #define VTABLE_PFN_NAME "__pfn"
2137 #define VTABLE_DELTA2_NAME "__delta2"
2139 #define SIGNATURE_FIELD_NAME "__s_"
2140 #define SIGNATURE_FIELD_NAME_FORMAT "__s_%s"
2141 #define SIGNATURE_OPTR_NAME "__optr"
2142 #define SIGNATURE_SPTR_NAME "__sptr"
2143 #define SIGNATURE_POINTER_NAME "__sp_"
2144 #define SIGNATURE_POINTER_NAME_FORMAT "__%s%ssp_%s"
2145 #define SIGNATURE_REFERENCE_NAME "__sr_"
2146 #define SIGNATURE_REFERENCE_NAME_FORMAT "__%s%ssr_%s"
2148 #define SIGTABLE_PTR_TYPE "__sigtbl_ptr_type"
2149 #define SIGTABLE_NAME_FORMAT "__st_%s_%s"
2150 #define SIGTABLE_NAME_FORMAT_LONG "__st_%s_%s_%d"
2151 #define SIGTABLE_TAG_NAME "__tag"
2152 #define SIGTABLE_VB_OFF_NAME "__vb_off"
2153 #define SIGTABLE_VT_OFF_NAME "__vt_off"
2154 #define EXCEPTION_CLEANUP_NAME "exception cleanup"
2156 #define THIS_NAME_P(ID_NODE) (strcmp(IDENTIFIER_POINTER (ID_NODE), "this") == 0)
2158 #if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
2160 #define VPTR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
2161 && IDENTIFIER_POINTER (ID_NODE)[1] == 'v')
2162 #define DESTRUCTOR_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == JOINER \
2163 && IDENTIFIER_POINTER (ID_NODE)[2] == '_')
2165 #define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
2166 && IDENTIFIER_POINTER (ID_NODE)[2] == 't' \
2167 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
2169 #define VBASE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
2170 && IDENTIFIER_POINTER (ID_NODE)[2] == 'b' \
2171 && IDENTIFIER_POINTER (ID_NODE)[3] == JOINER)
2173 /* Store the vbase pointer field name for type TYPE into pointer BUF. */
2174 #define FORMAT_VBASE_NAME(BUF,TYPE) do { \
2175 BUF = (char *) alloca (TYPE_ASSEMBLER_NAME_LENGTH (TYPE) \
2176 + sizeof (VBASE_NAME) + 1); \
2177 sprintf (BUF, VBASE_NAME_FORMAT, TYPE_ASSEMBLER_NAME_STRING (TYPE)); \
2180 #define TEMP_NAME_P(ID_NODE) (!strncmp (IDENTIFIER_POINTER (ID_NODE), AUTO_TEMP_NAME, sizeof (AUTO_TEMP_NAME)-1))
2181 #define VFIELD_NAME_P(ID_NODE) (!strncmp (IDENTIFIER_POINTER (ID_NODE), VFIELD_NAME, sizeof(VFIELD_NAME)-1))
2183 /* For anonymous aggregate types, we need some sort of name to
2184 hold on to. In practice, this should not appear, but it should
2185 not be harmful if it does. */
2186 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == JOINER \
2187 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
2188 #define ANON_PARMNAME_FORMAT "_%d"
2189 #define ANON_PARMNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == '_' \
2190 && IDENTIFIER_POINTER (ID_NODE)[1] <= '9')
2191 #endif /* !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL) */
2193 /* Returns non-zero iff ID_NODE is an IDENTIFIER_NODE whose name is
2195 #define MAIN_NAME_P(ID_NODE) \
2196 (strcmp (IDENTIFIER_POINTER (ID_NODE), "main") == 0)
2198 /* Returns non-zero iff NODE is a declaration for the global function
2200 #define DECL_MAIN_P(NODE) \
2201 (TREE_CODE (NODE) == FUNCTION_DECL \
2202 && DECL_CONTEXT (NODE) == NULL_TREE \
2203 && DECL_NAME (NODE) != NULL_TREE \
2204 && MAIN_NAME_P (DECL_NAME (NODE)))
2207 /* Define the sets of attributes that member functions and baseclasses
2208 can have. These are sensible combinations of {public,private,protected}
2209 cross {virtual,non-virtual}. */
2212 extern tree access_default_node; /* 0 */
2213 extern tree access_public_node; /* 1 */
2214 extern tree access_protected_node; /* 2 */
2215 extern tree access_private_node; /* 3 */
2216 extern tree access_default_virtual_node; /* 4 */
2217 extern tree access_public_virtual_node; /* 5 */
2218 extern tree access_protected_virtual_node; /* 6 */
2219 extern tree access_private_virtual_node; /* 7 */
2221 /* Things for handling inline functions. */
2223 struct pending_inline
2225 struct pending_inline *next; /* pointer to next in chain */
2226 int lineno; /* line number we got the text from */
2227 char *filename; /* name of file we were processing */
2228 tree fndecl; /* FUNCTION_DECL that brought us here */
2229 int token; /* token we were scanning */
2230 int token_value; /* value of token we were scanning (YYSTYPE) */
2232 char *buf; /* pointer to character stream */
2233 int len; /* length of stream */
2234 unsigned int can_free : 1; /* free this after we're done with it? */
2235 unsigned int deja_vu : 1; /* set iff we don't want to see it again. */
2236 unsigned int interface : 2; /* 0=interface 1=unknown 2=implementation */
2240 extern struct pending_inline *pending_inlines;
2242 /* Positive values means that we cannot make optimizing assumptions about
2243 `this'. Negative values means we know `this' to be of static type. */
2245 extern int flag_this_is_variable;
2247 /* Nonzero means generate 'rtti' that give run-time type information. */
2249 extern int flag_rtti;
2251 /* Nonzero means do emit exported implementations of functions even if
2252 they can be inlined. */
2254 extern int flag_implement_inlines;
2256 /* Nonzero means templates obey #pragma interface and implementation. */
2258 extern int flag_external_templates;
2260 /* Nonzero means templates are emitted where they are instantiated. */
2262 extern int flag_alt_external_templates;
2264 /* Nonzero means implicit template instantiations are emitted. */
2266 extern int flag_implicit_templates;
2268 /* Nonzero if we want to emit defined symbols with common-like linkage as
2269 weak symbols where possible, in order to conform to C++ semantics.
2270 Otherwise, emit them as local symbols. */
2272 extern int flag_weak;
2274 /* Nonzero to enable experimental ABI changes. */
2276 extern int flag_new_abi;
2278 /* Nonzero to not ignore namespace std. */
2280 extern int flag_honor_std;
2282 /* Nonzero if we're done parsing and into end-of-file activities. */
2286 enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
2288 /* The following two can be derived from the previous one */
2289 extern tree current_class_name; /* IDENTIFIER_NODE: name of current class */
2291 /* Some macros for char-based bitfields. */
2292 #define B_SET(a,x) (a[x>>3] |= (1 << (x&7)))
2293 #define B_CLR(a,x) (a[x>>3] &= ~(1 << (x&7)))
2294 #define B_TST(a,x) (a[x>>3] & (1 << (x&7)))
2296 /* These are uses as bits in flags passed to build_method_call
2297 to control its error reporting behavior.
2299 LOOKUP_PROTECT means flag access violations.
2300 LOOKUP_COMPLAIN mean complain if no suitable member function
2301 matching the arguments is found.
2302 LOOKUP_NORMAL is just a combination of these two.
2303 LOOKUP_NONVIRTUAL means make a direct call to the member function found
2304 LOOKUP_GLOBAL means search through the space of overloaded functions,
2305 as well as the space of member functions.
2306 LOOKUP_HAS_IN_CHARGE means that the "in charge" variable is already
2307 in the parameter list.
2308 LOOKUP_ONLYCONVERTING means that non-conversion constructors are not tried.
2309 DIRECT_BIND means that if a temporary is created, it should be created so
2310 that it lives as long as the current variable bindings; otherwise it
2311 only lives until the end of the complete-expression.
2312 LOOKUP_SPECULATIVELY means return NULL_TREE if we cannot find what we are
2313 after. Note, LOOKUP_COMPLAIN is checked and error messages printed
2314 before LOOKUP_SPECULATIVELY is checked.
2315 LOOKUP_NO_CONVERSION means that user-defined conversions are not
2316 permitted. Built-in conversions are permitted.
2317 LOOKUP_DESTRUCTOR means explicit call to destructor.
2318 LOOKUP_NO_TEMP_BIND means temporaries will not be bound to references.
2320 These are used in global lookup to support elaborated types and
2323 LOOKUP_PREFER_TYPES means not to accept objects, and possibly namespaces.
2324 LOOKUP_PREFER_NAMESPACES means not to accept objects, and possibly types.
2325 LOOKUP_PREFER_BOTH means class-or-namespace-name.
2326 LOOKUP_TEMPLATES_EXPECTED means that class templates also count
2329 #define LOOKUP_PROTECT (1)
2330 #define LOOKUP_COMPLAIN (2)
2331 #define LOOKUP_NORMAL (3)
2332 /* #define LOOKUP_UNUSED (4) */
2333 #define LOOKUP_NONVIRTUAL (8)
2334 #define LOOKUP_GLOBAL (16)
2335 #define LOOKUP_HAS_IN_CHARGE (32)
2336 #define LOOKUP_SPECULATIVELY (64)
2337 #define LOOKUP_ONLYCONVERTING (128)
2338 #define DIRECT_BIND (256)
2339 #define LOOKUP_NO_CONVERSION (512)
2340 #define LOOKUP_DESTRUCTOR (512)
2341 #define LOOKUP_NO_TEMP_BIND (1024)
2342 #define LOOKUP_PREFER_TYPES (2048)
2343 #define LOOKUP_PREFER_NAMESPACES (4096)
2344 #define LOOKUP_PREFER_BOTH (6144)
2345 #define LOOKUP_TEMPLATES_EXPECTED (8192)
2347 #define LOOKUP_NAMESPACES_ONLY(f) \
2348 (((f) & LOOKUP_PREFER_NAMESPACES) && !((f) & LOOKUP_PREFER_TYPES))
2349 #define LOOKUP_TYPES_ONLY(f) \
2350 (!((f) & LOOKUP_PREFER_NAMESPACES) && ((f) & LOOKUP_PREFER_TYPES))
2351 #define LOOKUP_QUALIFIERS_ONLY(f) ((f) & LOOKUP_PREFER_BOTH)
2354 /* These flags are used by the conversion code.
2355 CONV_IMPLICIT : Perform implicit conversions (standard and user-defined).
2356 CONV_STATIC : Perform the explicit conversions for static_cast.
2357 CONV_CONST : Perform the explicit conversions for const_cast.
2358 CONV_REINTERPRET: Perform the explicit conversions for reinterpret_cast.
2359 CONV_PRIVATE : Perform upcasts to private bases.
2360 CONV_FORCE_TEMP : Require a new temporary when converting to the same
2363 #define CONV_IMPLICIT 1
2364 #define CONV_STATIC 2
2365 #define CONV_CONST 4
2366 #define CONV_REINTERPRET 8
2367 #define CONV_PRIVATE 16
2368 /* #define CONV_NONCONVERTING 32 */
2369 #define CONV_FORCE_TEMP 64
2370 #define CONV_STATIC_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_FORCE_TEMP)
2371 #define CONV_OLD_CONVERT (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
2373 #define CONV_C_CAST (CONV_IMPLICIT | CONV_STATIC | CONV_CONST \
2374 | CONV_REINTERPRET | CONV_PRIVATE | CONV_FORCE_TEMP)
2376 /* Used by build_expr_type_conversion to indicate which types are
2377 acceptable as arguments to the expression under consideration. */
2379 #define WANT_INT 1 /* integer types, including bool */
2380 #define WANT_FLOAT 2 /* floating point types */
2381 #define WANT_ENUM 4 /* enumerated types */
2382 #define WANT_POINTER 8 /* pointer types */
2383 #define WANT_NULL 16 /* null pointer constant */
2385 #define WANT_ARITH (WANT_INT | WANT_FLOAT)
2387 #define FRIEND_NAME(LIST) (TREE_PURPOSE (LIST))
2388 #define FRIEND_DECLS(LIST) (TREE_VALUE (LIST))
2390 /* These macros are used to access a TEMPLATE_PARM_INDEX. */
2391 #define TEMPLATE_PARM_IDX(NODE) (((template_parm_index*) NODE)->index)
2392 #define TEMPLATE_PARM_LEVEL(NODE) (((template_parm_index*) NODE)->level)
2393 #define TEMPLATE_PARM_DESCENDANTS(NODE) (TREE_CHAIN (NODE))
2394 #define TEMPLATE_PARM_ORIG_LEVEL(NODE) (((template_parm_index*) NODE)->orig_level)
2395 #define TEMPLATE_PARM_DECL(NODE) (((template_parm_index*) NODE)->decl)
2397 /* These macros are for accessing the fields of TEMPLATE_TYPE_PARM
2398 and TEMPLATE_TEMPLATE_PARM nodes. */
2399 #define TEMPLATE_TYPE_PARM_INDEX(NODE) (TYPE_FIELDS (NODE))
2400 #define TEMPLATE_TYPE_IDX(NODE) \
2401 (TEMPLATE_PARM_IDX (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2402 #define TEMPLATE_TYPE_LEVEL(NODE) \
2403 (TEMPLATE_PARM_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2404 #define TEMPLATE_TYPE_ORIG_LEVEL(NODE) \
2405 (TEMPLATE_PARM_ORIG_LEVEL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2406 #define TEMPLATE_TYPE_DECL(NODE) \
2407 (TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
2410 /* Indexed by TREE_CODE, these tables give C-looking names to
2411 operators represented by TREE_CODES. For example,
2412 opname_tab[(int) MINUS_EXPR] == "-". */
2413 extern char **opname_tab, **assignop_tab;
2416 extern int check_dtor_name PROTO((tree, tree));
2417 extern int get_arglist_len_in_bytes PROTO((tree));
2419 extern tree build_vfield_ref PROTO((tree, tree));
2420 extern tree resolve_scope_to_name PROTO((tree, tree));
2421 extern tree build_scoped_method_call PROTO((tree, tree, tree, tree));
2422 extern tree build_addr_func PROTO((tree));
2423 extern tree build_call PROTO((tree, tree, tree));
2424 extern tree build_method_call PROTO((tree, tree, tree, tree, int));
2425 extern int null_ptr_cst_p PROTO((tree));
2426 extern tree type_decays_to PROTO((tree));
2427 extern tree build_user_type_conversion PROTO((tree, tree, int));
2428 extern tree build_new_function_call PROTO((tree, tree));
2429 extern tree build_new_op PROTO((enum tree_code, int, tree, tree, tree));
2430 extern tree build_op_new_call PROTO((enum tree_code, tree, tree, int));
2431 extern tree build_op_delete_call PROTO((enum tree_code, tree, tree, int, tree));
2432 extern int can_convert PROTO((tree, tree));
2433 extern int can_convert_arg PROTO((tree, tree, tree));
2434 extern void enforce_access PROTO((tree, tree));
2435 extern tree convert_default_arg PROTO((tree, tree));
2436 extern tree convert_arg_to_ellipsis PROTO((tree));
2439 extern tree build_vbase_path PROTO((enum tree_code, tree, tree, tree, int));
2440 extern tree build_vtbl_ref PROTO((tree, tree));
2441 extern tree build_vfn_ref PROTO((tree *, tree, tree));
2442 extern void add_method PROTO((tree, tree *, tree));
2443 extern int currently_open_class PROTO((tree));
2444 extern tree get_vfield_offset PROTO((tree));
2445 extern void duplicate_tag_error PROTO((tree));
2446 extern tree finish_struct PROTO((tree, tree, int));
2447 extern tree finish_struct_1 PROTO((tree, int));
2448 extern int resolves_to_fixed_type_p PROTO((tree, int *));
2449 extern void init_class_processing PROTO((void));
2450 extern int is_empty_class PROTO((tree));
2451 extern void pushclass PROTO((tree, int));
2452 extern void popclass PROTO((int));
2453 extern void push_nested_class PROTO((tree, int));
2454 extern void pop_nested_class PROTO((int));
2455 extern void push_lang_context PROTO((tree));
2456 extern void pop_lang_context PROTO((void));
2457 extern tree instantiate_type PROTO((tree, tree, int));
2458 extern void print_class_statistics PROTO((void));
2459 extern void maybe_push_cache_obstack PROTO((void));
2460 extern unsigned HOST_WIDE_INT skip_rtti_stuff PROTO((tree *));
2461 extern tree build_self_reference PROTO((void));
2462 extern void warn_hidden PROTO((tree));
2463 extern tree get_enclosing_class PROTO((tree));
2464 int is_base_of_enclosing_class PROTO((tree, tree));
2465 extern void unreverse_member_declarations PROTO((tree));
2468 extern tree convert_to_reference PROTO((tree, tree, int, int, tree));
2469 extern tree convert_from_reference PROTO((tree));
2470 extern tree convert_pointer_to_real PROTO((tree, tree));
2471 extern tree convert_pointer_to PROTO((tree, tree));
2472 extern tree ocp_convert PROTO((tree, tree, int, int));
2473 extern tree cp_convert PROTO((tree, tree));
2474 extern tree convert PROTO((tree, tree));
2475 extern tree convert_force PROTO((tree, tree, int));
2476 extern tree build_type_conversion PROTO((enum tree_code, tree, tree, int));
2477 extern tree build_expr_type_conversion PROTO((int, tree, int));
2478 extern tree type_promotes_to PROTO((tree));
2479 extern tree perform_qualification_conversions PROTO((tree, tree));
2482 /* resume_binding_level */
2483 extern void set_identifier_local_value PROTO((tree, tree));
2484 extern int global_bindings_p PROTO((void));
2485 extern int toplevel_bindings_p PROTO((void));
2486 extern void keep_next_level PROTO((void));
2487 extern int kept_level_p PROTO((void));
2488 extern void declare_parm_level PROTO((void));
2489 extern void declare_pseudo_global_level PROTO((void));
2490 extern int pseudo_global_level_p PROTO((void));
2491 extern void set_class_shadows PROTO((tree));
2492 extern void pushlevel PROTO((int));
2493 extern void note_level_for_for PROTO((void));
2494 extern void pushlevel_temporary PROTO((int));
2495 extern tree poplevel PROTO((int, int, int));
2496 extern void resume_level PROTO((struct binding_level *));
2497 extern void delete_block PROTO((tree));
2498 extern void insert_block PROTO((tree));
2499 extern void add_block_current_level PROTO((tree));
2500 extern void set_block PROTO((tree));
2501 extern void pushlevel_class PROTO((void));
2502 extern tree poplevel_class PROTO((int));
2503 extern void print_binding_stack PROTO((void));
2504 extern void print_binding_level PROTO((struct binding_level *));
2505 extern void push_namespace PROTO((tree));
2506 extern void pop_namespace PROTO((void));
2507 extern void maybe_push_to_top_level PROTO((int));
2508 extern void push_to_top_level PROTO((void));
2509 extern void pop_from_top_level PROTO((void));
2510 extern tree identifier_type_value PROTO((tree));
2511 extern void set_identifier_type_value PROTO((tree, tree));
2512 extern void set_identifier_local_value PROTO((tree, tree));
2513 extern void pop_everything PROTO((void));
2514 extern void pushtag PROTO((tree, tree, int));
2515 extern tree make_anon_name PROTO((void));
2516 extern void clear_anon_tags PROTO((void));
2517 extern int decls_match PROTO((tree, tree));
2518 extern int duplicate_decls PROTO((tree, tree));
2519 extern tree pushdecl PROTO((tree));
2520 extern tree pushdecl_top_level PROTO((tree));
2521 extern void pushdecl_class_level PROTO((tree));
2523 extern void pushdecl_nonclass_level PROTO((tree));
2525 extern tree pushdecl_namespace_level PROTO((tree));
2526 extern tree push_using_decl PROTO((tree, tree));
2527 extern tree push_using_directive PROTO((tree));
2528 extern void push_class_level_binding PROTO((tree, tree));
2529 extern tree push_using_decl PROTO((tree, tree));
2530 extern tree implicitly_declare PROTO((tree));
2531 extern tree lookup_label PROTO((tree));
2532 extern tree shadow_label PROTO((tree));
2533 extern tree define_label PROTO((char *, int, tree));
2534 extern void push_switch PROTO((void));
2535 extern void pop_switch PROTO((void));
2536 extern void define_case_label PROTO((void));
2537 extern tree getdecls PROTO((void));
2538 extern tree gettags PROTO((void));
2540 extern void set_current_level_tags_transparency PROTO((int));
2542 extern tree binding_for_name PROTO((tree, tree));
2543 extern tree namespace_binding PROTO((tree, tree));
2544 extern void set_namespace_binding PROTO((tree, tree, tree));
2545 extern tree lookup_namespace_name PROTO((tree, tree));
2546 extern tree make_typename_type PROTO((tree, tree));
2547 extern tree lookup_name_nonclass PROTO((tree));
2548 extern tree lookup_function_nonclass PROTO((tree, tree));
2549 extern tree lookup_name PROTO((tree, int));
2550 extern tree lookup_name_current_level PROTO((tree));
2551 extern tree lookup_type_current_level PROTO((tree));
2552 extern tree lookup_name_namespace_only PROTO((tree));
2553 extern void begin_only_namespace_names PROTO((void));
2554 extern void end_only_namespace_names PROTO((void));
2555 extern tree namespace_ancestor PROTO((tree, tree));
2556 extern int lookup_using_namespace PROTO((tree,tree,tree,tree,int));
2557 extern int qualified_lookup_using_namespace PROTO((tree,tree,tree,int));
2558 extern tree auto_function PROTO((tree, tree, enum built_in_function));
2559 extern void init_decl_processing PROTO((void));
2560 extern int init_type_desc PROTO((void));
2561 extern tree define_function
2562 PROTO((char *, tree, enum built_in_function,
2563 void (*) (tree), char *));
2564 extern void shadow_tag PROTO((tree));
2565 extern tree groktypename PROTO((tree));
2566 extern tree start_decl PROTO((tree, tree, int, tree, tree));
2567 extern void start_decl_1 PROTO((tree));
2568 extern void cp_finish_decl PROTO((tree, tree, tree, int, int));
2569 extern void finish_decl PROTO((tree, tree, tree));
2570 extern void expand_static_init PROTO((tree, tree));
2571 extern int complete_array_type PROTO((tree, tree, int));
2572 extern tree build_ptrmemfunc_type PROTO((tree));
2573 /* the grokdeclarator prototype is in decl.h */
2574 extern int parmlist_is_exprlist PROTO((tree));
2575 extern int copy_args_p PROTO((tree));
2576 extern int grok_ctor_properties PROTO((tree, tree));
2577 extern void grok_op_properties PROTO((tree, int, int));
2578 extern tree xref_tag PROTO((tree, tree, int));
2579 extern tree xref_tag_from_type PROTO((tree, tree, int));
2580 extern void xref_basetypes PROTO((tree, tree, tree, tree));
2581 extern tree start_enum PROTO((tree));
2582 extern tree finish_enum PROTO((tree));
2583 extern tree build_enumerator PROTO((tree, tree, tree));
2584 extern int start_function PROTO((tree, tree, tree, int));
2585 extern void expand_start_early_try_stmts PROTO((void));
2586 extern void store_parm_decls PROTO((void));
2587 extern void store_return_init PROTO((tree, tree));
2588 extern void finish_function PROTO((int, int, int));
2589 extern tree start_method PROTO((tree, tree, tree));
2590 extern tree finish_method PROTO((tree));
2591 extern void hack_incomplete_structures PROTO((tree));
2592 extern tree maybe_build_cleanup_and_delete PROTO((tree));
2593 extern tree maybe_build_cleanup PROTO((tree));
2594 extern void cplus_expand_expr_stmt PROTO((tree));
2595 extern void finish_stmt PROTO((void));
2596 extern int id_in_current_class PROTO((tree));
2597 extern void push_cp_function_context PROTO((tree));
2598 extern void pop_cp_function_context PROTO((tree));
2599 extern int in_function_p PROTO((void));
2600 extern void replace_defarg PROTO((tree, tree));
2601 extern void print_other_binding_stack PROTO((struct binding_level *));
2602 extern void revert_static_member_fn PROTO((tree*, tree*, tree*));
2603 extern void cat_namespace_levels PROTO((void));
2604 extern void fixup_anonymous_union PROTO((tree));
2607 extern int check_java_method PROTO((tree));
2608 extern int lang_decode_option PROTO((int, char **));
2609 extern tree grok_method_quals PROTO((tree, tree, tree));
2610 extern void warn_if_unknown_interface PROTO((tree));
2611 extern void grok_x_components PROTO((tree));
2612 extern void maybe_retrofit_in_chrg PROTO((tree));
2613 extern void maybe_make_one_only PROTO((tree));
2614 extern void grokclassfn PROTO((tree, tree, enum overload_flags, tree));
2615 extern tree grok_alignof PROTO((tree));
2616 extern tree grok_array_decl PROTO((tree, tree));
2617 extern tree delete_sanity PROTO((tree, tree, int, int));
2618 extern tree check_classfn PROTO((tree, tree));
2619 extern void check_member_template PROTO((tree));
2620 extern tree grokfield PROTO((tree, tree, tree, tree, tree));
2621 extern tree grokbitfield PROTO((tree, tree, tree));
2622 extern tree groktypefield PROTO((tree, tree));
2623 extern tree grokoptypename PROTO((tree, tree));
2624 extern int copy_assignment_arg_p PROTO((tree, int));
2625 extern void cplus_decl_attributes PROTO((tree, tree, tree));
2626 extern tree constructor_name_full PROTO((tree));
2627 extern tree constructor_name PROTO((tree));
2628 extern void setup_vtbl_ptr PROTO((void));
2629 extern void mark_inline_for_output PROTO((tree));
2630 extern void clear_temp_name PROTO((void));
2631 extern tree get_temp_name PROTO((tree, int));
2632 extern tree get_temp_regvar PROTO((tree, tree));
2633 extern void finish_anon_union PROTO((tree));
2634 extern tree finish_table PROTO((tree, tree, tree, int));
2635 extern void finish_builtin_type PROTO((tree, char *, tree *, int, tree));
2636 extern tree coerce_new_type PROTO((tree));
2637 extern tree coerce_delete_type PROTO((tree));
2638 extern void comdat_linkage PROTO((tree));
2639 extern void import_export_class PROTO((tree));
2640 extern void import_export_vtable PROTO((tree, tree, int));
2641 extern int finish_prevtable_vardecl PROTO((tree, tree));
2642 extern int walk_vtables PROTO((void (*)(tree, tree),
2643 int (*)(tree, tree)));
2644 extern void walk_sigtables PROTO((void (*)(tree, tree),
2645 void (*)(tree, tree)));
2646 extern void import_export_decl PROTO((tree));
2647 extern tree build_cleanup PROTO((tree));
2648 extern void finish_file PROTO((void));
2649 extern tree reparse_absdcl_as_expr PROTO((tree, tree));
2650 extern tree reparse_absdcl_as_casts PROTO((tree, tree));
2651 extern tree build_expr_from_tree PROTO((tree));
2652 extern tree reparse_decl_as_expr PROTO((tree, tree));
2653 extern tree finish_decl_parsing PROTO((tree));
2654 extern tree check_cp_case_value PROTO((tree));
2655 extern void set_decl_namespace PROTO((tree, tree));
2656 extern tree current_decl_namespace PROTO((void));
2657 extern void push_decl_namespace PROTO((tree));
2658 extern void pop_decl_namespace PROTO((void));
2659 extern void do_namespace_alias PROTO((tree, tree));
2660 extern void do_toplevel_using_decl PROTO((tree));
2661 extern void do_local_using_decl PROTO((tree));
2662 extern tree do_class_using_decl PROTO((tree));
2663 extern void do_using_directive PROTO((tree));
2664 extern void check_default_args PROTO((tree));
2665 extern void mark_used PROTO((tree));
2666 extern tree handle_class_head PROTO((tree, tree, tree));
2667 extern tree lookup_arg_dependent PROTO((tree, tree, tree));
2670 extern void cp_error ();
2671 extern void cp_error_at ();
2672 extern void cp_warning ();
2673 extern void cp_warning_at ();
2674 extern void cp_pedwarn ();
2675 extern void cp_pedwarn_at ();
2676 extern void cp_compiler_error ();
2677 extern void cp_sprintf ();
2680 extern void init_error PROTO((void));
2681 extern char *fndecl_as_string PROTO((tree, int));
2682 extern char *type_as_string PROTO((tree, int));
2683 extern char *type_as_string_real PROTO((tree, int, int));
2684 extern char *args_as_string PROTO((tree, int));
2685 extern char *decl_as_string PROTO((tree, int));
2686 extern char *expr_as_string PROTO((tree, int));
2687 extern char *code_as_string PROTO((enum tree_code, int));
2688 extern char *language_as_string PROTO((enum languages, int));
2689 extern char *parm_as_string PROTO((int, int));
2690 extern char *op_as_string PROTO((enum tree_code, int));
2691 extern char *assop_as_string PROTO((enum tree_code, int));
2692 extern char *cv_as_string PROTO((tree, int));
2693 extern char *lang_decl_name PROTO((tree, int));
2694 extern char *cp_file_of PROTO((tree));
2695 extern int cp_line_of PROTO((tree));
2698 extern void init_exception_processing PROTO((void));
2699 extern void expand_start_catch_block PROTO((tree, tree));
2700 extern void expand_end_catch_block PROTO((void));
2701 extern void expand_builtin_throw PROTO((void));
2702 extern void expand_start_eh_spec PROTO((void));
2703 extern void expand_exception_blocks PROTO((void));
2704 extern tree start_anon_func PROTO((void));
2705 extern void end_anon_func PROTO((void));
2706 extern void expand_throw PROTO((tree));
2707 extern tree build_throw PROTO((tree));
2708 extern void mark_all_runtime_matches PROTO((void));
2711 extern void init_cplus_expand PROTO((void));
2712 extern void fixup_result_decl PROTO((tree, struct rtx_def *));
2713 extern int extract_init PROTO((tree, tree));
2714 extern void do_case PROTO((tree, tree));
2717 extern int is_friend PROTO((tree, tree));
2718 extern void make_friend_class PROTO((tree, tree));
2719 extern tree do_friend PROTO((tree, tree, tree, tree, enum overload_flags, tree, int));
2722 extern void init_init_processing PROTO((void));
2723 extern void expand_direct_vtbls_init PROTO((tree, tree, int, int, tree));
2724 extern void emit_base_init PROTO((tree, int));
2725 extern void check_base_init PROTO((tree));
2726 extern void expand_member_init PROTO((tree, tree, tree));
2727 extern void expand_aggr_init PROTO((tree, tree, int));
2728 extern int is_aggr_typedef PROTO((tree, int));
2729 extern int is_aggr_type PROTO((tree, int));
2730 extern tree get_aggr_from_typedef PROTO((tree, int));
2731 extern tree get_type_value PROTO((tree));
2732 extern tree build_member_call PROTO((tree, tree, tree));
2733 extern tree build_offset_ref PROTO((tree, tree));
2734 extern tree resolve_offset_ref PROTO((tree));
2735 extern tree decl_constant_value PROTO((tree));
2736 extern tree build_new PROTO((tree, tree, tree, int));
2737 extern tree build_new_1 PROTO((tree));
2738 extern tree expand_vec_init PROTO((tree, tree, tree, tree, int));
2739 extern tree build_x_delete PROTO((tree, int, tree));
2740 extern tree build_delete PROTO((tree, tree, tree, int, int));
2741 extern tree build_vbase_delete PROTO((tree, tree));
2742 extern tree build_vec_delete PROTO((tree, tree, tree, tree, int));
2747 extern char *file_name_nondirectory PROTO((char *));
2748 extern tree make_pointer_declarator PROTO((tree, tree));
2749 extern tree make_reference_declarator PROTO((tree, tree));
2750 extern tree make_call_declarator PROTO((tree, tree, tree, tree));
2751 extern void set_quals_and_spec PROTO((tree, tree, tree));
2752 extern char *operator_name_string PROTO((tree));
2753 extern void lang_init PROTO((void));
2754 extern void lang_finish PROTO((void));
2755 extern void init_filename_times PROTO((void));
2757 extern void reinit_lang_specific PROTO((void));
2759 extern void reinit_parse_for_function PROTO((void));
2760 extern void print_parse_statistics PROTO((void));
2761 extern void extract_interface_info PROTO((void));
2762 extern void do_pending_inlines PROTO((void));
2763 extern void process_next_inline PROTO((tree));
2764 extern struct pending_input *save_pending_input PROTO((void));
2765 extern void restore_pending_input PROTO((struct pending_input *));
2766 extern void yyungetc PROTO((int, int));
2767 extern void reinit_parse_for_method PROTO((int, tree));
2768 extern void reinit_parse_for_block PROTO((int, struct obstack *));
2769 extern tree cons_up_default_function PROTO((tree, tree, int));
2770 extern void check_for_missing_semicolon PROTO((tree));
2771 extern void note_got_semicolon PROTO((tree));
2772 extern void note_list_got_semicolon PROTO((tree));
2773 extern void do_pending_lang_change PROTO((void));
2774 extern int identifier_type PROTO((tree));
2775 extern void see_typename PROTO((void));
2776 extern tree do_identifier PROTO((tree, int, tree));
2777 extern tree do_scoped_id PROTO((tree, int));
2778 extern tree identifier_typedecl_value PROTO((tree));
2779 extern int real_yylex PROTO((void));
2780 extern int is_rid PROTO((tree));
2781 extern tree build_lang_decl PROTO((enum tree_code, tree, tree));
2782 extern tree build_lang_field_decl PROTO((enum tree_code, tree, tree));
2783 extern void copy_lang_decl PROTO((tree));
2784 extern tree make_lang_type PROTO((enum tree_code));
2785 extern void dump_time_statistics PROTO((void));
2786 /* extern void compiler_error PROTO((char *, HOST_WIDE_INT, HOST_WIDE_INT)); */
2787 extern void yyerror PROTO((char *));
2788 extern void clear_inline_text_obstack PROTO((void));
2789 extern void maybe_snarf_defarg PROTO((void));
2790 extern tree snarf_defarg PROTO((void));
2791 extern void add_defarg_fn PROTO((tree));
2792 extern void do_pending_defargs PROTO((void));
2793 extern int identifier_type PROTO((tree));
2794 extern void yyhook PROTO((int));
2797 extern void init_method PROTO((void));
2798 extern void do_inline_function_hair PROTO((tree, tree));
2799 extern char *build_overload_name PROTO((tree, int, int));
2800 extern tree build_static_name PROTO((tree, tree));
2801 extern tree build_decl_overload PROTO((tree, tree, int));
2802 extern tree build_decl_overload_real PROTO((tree, tree, tree, tree,
2804 extern void set_mangled_name_for_decl PROTO((tree));
2805 extern tree build_typename_overload PROTO((tree));
2806 extern tree build_overload_with_type PROTO((tree, tree));
2807 extern tree build_destructor_name PROTO((tree));
2808 extern tree build_opfncall PROTO((enum tree_code, int, tree, tree, tree));
2809 extern tree hack_identifier PROTO((tree, tree));
2810 extern tree make_thunk PROTO((tree, int));
2811 extern void emit_thunk PROTO((tree));
2812 extern void synthesize_method PROTO((tree));
2813 extern tree get_id_2 PROTO((char *, tree));
2816 extern tree innermost_args PROTO ((tree));
2817 extern tree tsubst PROTO ((tree, tree, tree));
2818 extern tree tsubst_expr PROTO ((tree, tree, tree));
2819 extern tree tsubst_copy PROTO ((tree, tree, tree));
2820 extern void maybe_begin_member_template_processing PROTO((tree));
2821 extern void maybe_end_member_template_processing PROTO((void));
2822 extern tree finish_member_template_decl PROTO((tree));
2823 extern void begin_template_parm_list PROTO((void));
2824 extern void begin_specialization PROTO((void));
2825 extern void reset_specialization PROTO((void));
2826 extern void end_specialization PROTO((void));
2827 extern void begin_explicit_instantiation PROTO((void));
2828 extern void end_explicit_instantiation PROTO((void));
2829 extern tree determine_specialization PROTO((tree, tree, tree *, int, int));
2830 extern tree check_explicit_specialization PROTO((tree, tree, int, int));
2831 extern tree process_template_parm PROTO((tree, tree));
2832 extern tree end_template_parm_list PROTO((tree));
2833 extern void end_template_decl PROTO((void));
2834 extern tree current_template_args PROTO((void));
2835 extern tree push_template_decl PROTO((tree));
2836 extern tree push_template_decl_real PROTO((tree, int));
2837 extern void redeclare_class_template PROTO((tree, tree));
2838 extern tree lookup_template_class PROTO((tree, tree, tree, tree, int));
2839 extern tree lookup_template_function PROTO((tree, tree));
2840 extern int uses_template_parms PROTO((tree));
2841 extern tree instantiate_class_template PROTO((tree));
2842 extern tree instantiate_template PROTO((tree, tree));
2843 extern void overload_template_name PROTO((tree));
2844 extern int fn_type_unification PROTO((tree, tree, tree, tree, tree, unification_kind_t, tree));
2845 extern int type_unification PROTO((tree, tree, tree, tree, tree, unification_kind_t, int));
2846 struct tinst_level *tinst_for_decl PROTO((void));
2847 extern void mark_decl_instantiated PROTO((tree, int));
2848 extern int more_specialized PROTO((tree, tree, tree));
2849 extern void mark_class_instantiated PROTO((tree, int));
2850 extern void do_decl_instantiation PROTO((tree, tree, tree));
2851 extern void do_type_instantiation PROTO((tree, tree));
2852 extern tree instantiate_decl PROTO((tree));
2853 extern tree do_poplevel PROTO((void));
2854 extern tree get_bindings PROTO((tree, tree, tree));
2856 extern void add_tree PROTO((tree));
2857 extern void begin_tree PROTO((void));
2858 extern void end_tree PROTO((void));
2859 extern void add_maybe_template PROTO((tree, tree));
2860 extern void pop_tinst_level PROTO((void));
2861 extern int more_specialized_class PROTO((tree, tree));
2862 extern void do_pushlevel PROTO((void));
2863 extern int is_member_template PROTO((tree));
2864 extern int template_parms_equal PROTO((tree, tree));
2865 extern int comp_template_parms PROTO((tree, tree));
2866 extern int decl_template_parm_p PROTO((tree));
2867 extern int template_class_depth PROTO((tree));
2868 extern int is_specialization_of PROTO((tree, tree));
2869 extern int comp_template_args PROTO((tree, tree));
2870 extern void maybe_process_partial_specialization PROTO((tree));
2871 extern void maybe_check_template_type PROTO((tree));
2873 extern int processing_specialization;
2874 extern int processing_explicit_instantiation;
2875 extern int processing_template_parmlist;
2878 extern void repo_template_used PROTO((tree));
2879 extern void repo_template_instantiated PROTO((tree, int));
2880 extern void init_repo PROTO((char*));
2881 extern void finish_repo PROTO((void));
2884 extern void init_rtti_processing PROTO((void));
2885 extern tree get_tinfo_fn_dynamic PROTO((tree));
2886 extern tree build_typeid PROTO((tree));
2887 extern tree build_x_typeid PROTO((tree));
2888 extern tree get_tinfo_fn PROTO((tree));
2889 extern tree get_typeid PROTO((tree));
2890 extern tree build_dynamic_cast PROTO((tree, tree));
2891 extern void synthesize_tinfo_fn PROTO((tree));
2894 extern int types_overlap_p PROTO((tree, tree));
2895 extern tree get_vbase PROTO((tree, tree));
2896 extern tree get_binfo PROTO((tree, tree, int));
2897 extern int get_base_distance PROTO((tree, tree, int, tree *));
2898 extern tree compute_access PROTO((tree, tree));
2899 extern tree lookup_field PROTO((tree, tree, int, int));
2900 extern tree lookup_nested_field PROTO((tree, int));
2901 extern tree lookup_fnfields PROTO((tree, tree, int));
2902 extern tree lookup_member PROTO((tree, tree, int, int));
2903 extern tree lookup_nested_tag PROTO((tree, tree));
2904 extern tree get_matching_virtual PROTO((tree, tree, int));
2905 extern tree get_abstract_virtuals PROTO((tree));
2906 extern tree get_baselinks PROTO((tree, tree, tree));
2907 extern tree next_baselink PROTO((tree));
2908 extern tree init_vbase_pointers PROTO((tree, tree));
2909 extern void expand_indirect_vtbls_init PROTO((tree, tree, tree));
2910 extern void clear_search_slots PROTO((tree));
2911 extern tree get_vbase_types PROTO((tree));
2912 extern void note_debug_info_needed PROTO((tree));
2913 extern void push_class_decls PROTO((tree));
2914 extern void pop_class_decls PROTO((void));
2915 extern void unuse_fields PROTO((tree));
2916 extern void print_search_statistics PROTO((void));
2917 extern void init_search_processing PROTO((void));
2918 extern void reinit_search_statistics PROTO((void));
2919 extern tree current_scope PROTO((void));
2920 extern tree lookup_conversions PROTO((tree));
2921 extern tree get_template_base PROTO((tree, tree));
2922 extern tree binfo_for_vtable PROTO((tree));
2924 /* in semantics.c */
2925 extern void finish_expr_stmt PROTO((tree));
2926 extern tree begin_if_stmt PROTO((void));
2927 extern void finish_if_stmt_cond PROTO((tree, tree));
2928 extern tree finish_then_clause PROTO((tree));
2929 extern void begin_else_clause PROTO((void));
2930 extern void finish_else_clause PROTO((tree));
2931 extern void finish_if_stmt PROTO((void));
2932 extern tree begin_while_stmt PROTO((void));
2933 extern void finish_while_stmt_cond PROTO((tree, tree));
2934 extern void finish_while_stmt PROTO((tree));
2935 extern tree begin_do_stmt PROTO((void));
2936 extern void finish_do_body PROTO((tree));
2937 extern void finish_do_stmt PROTO((tree, tree));
2938 extern void finish_return_stmt PROTO((tree));
2939 extern tree begin_for_stmt PROTO((void));
2940 extern void finish_for_init_stmt PROTO((tree));
2941 extern void finish_for_cond PROTO((tree, tree));
2942 extern void finish_for_expr PROTO((tree, tree));
2943 extern void finish_for_stmt PROTO((tree, tree));
2944 extern void finish_break_stmt PROTO((void));
2945 extern void finish_continue_stmt PROTO((void));
2946 extern void begin_switch_stmt PROTO((void));
2947 extern tree finish_switch_cond PROTO((tree));
2948 extern void finish_switch_stmt PROTO((tree, tree));
2949 extern void finish_case_label PROTO((tree, tree));
2950 extern void finish_goto_stmt PROTO((tree));
2951 extern tree begin_try_block PROTO((void));
2952 extern void finish_try_block PROTO((tree));
2953 extern void finish_handler_sequence PROTO((tree));
2954 extern tree begin_handler PROTO((void));
2955 extern void finish_handler_parms PROTO((tree));
2956 extern void finish_handler PROTO((tree));
2957 extern tree begin_compound_stmt PROTO((int));
2958 extern tree finish_compound_stmt PROTO((int, tree));
2959 extern void finish_asm_stmt PROTO((tree, tree, tree, tree, tree));
2960 extern tree finish_parenthesized_expr PROTO((tree));
2961 extern tree begin_stmt_expr PROTO((void));
2962 extern tree finish_stmt_expr PROTO((tree, tree));
2963 extern tree finish_call_expr PROTO((tree, tree, int));
2964 extern tree finish_increment_expr PROTO((tree, enum tree_code));
2965 extern tree finish_this_expr PROTO((void));
2966 extern tree finish_object_call_expr PROTO((tree, tree, tree));
2967 extern tree finish_qualified_object_call_expr PROTO((tree, tree, tree));
2968 extern tree finish_pseudo_destructor_call_expr PROTO((tree, tree, tree));
2969 extern tree finish_qualified_call_expr PROTO ((tree, tree));
2970 extern tree finish_label_address_expr PROTO((tree));
2971 extern tree finish_unary_op_expr PROTO((enum tree_code, tree));
2972 extern tree finish_id_expr PROTO((tree));
2973 extern int begin_new_placement PROTO((void));
2974 extern tree finish_new_placement PROTO((tree, int));
2975 extern int begin_function_definition PROTO((tree, tree));
2976 extern tree begin_constructor_declarator PROTO((tree, tree));
2977 extern tree finish_declarator PROTO((tree, tree, tree, tree, int));
2978 extern void finish_translation_unit PROTO((void));
2979 extern tree finish_template_type_parm PROTO((tree, tree));
2980 extern tree finish_template_template_parm PROTO((tree, tree));
2981 extern tree finish_parmlist PROTO((tree, int));
2982 extern tree begin_class_definition PROTO((tree));
2983 extern tree finish_class_definition PROTO((tree, tree, int));
2984 extern void finish_default_args PROTO((void));
2985 extern void begin_inline_definitions PROTO((void));
2986 extern tree finish_member_class_template PROTO((tree));
2987 extern void finish_template_decl PROTO((tree));
2988 extern tree finish_template_type PROTO((tree, tree, int));
2989 extern void enter_scope_of PROTO((tree));
2990 extern tree finish_base_specifier PROTO((tree, tree, int));
2991 extern void finish_member_declaration PROTO((tree));
2992 extern void check_multiple_declarators PROTO((void));
2995 extern tree build_signature_pointer_type PROTO((tree));
2996 extern tree build_signature_reference_type PROTO((tree));
2997 extern tree build_signature_pointer_constructor PROTO((tree, tree));
2998 extern tree build_signature_method_call PROTO((tree, tree));
2999 extern tree build_optr_ref PROTO((tree));
3000 extern void append_signature_fields PROTO((tree));
3003 extern void init_spew PROTO((void));
3004 extern int peekyylex PROTO((void));
3005 extern int yylex PROTO((void));
3006 extern tree arbitrate_lookup PROTO((tree, tree, tree));
3009 extern void unshare_base_binfos PROTO((tree));
3010 extern int member_p PROTO((tree));
3011 extern int real_lvalue_p PROTO((tree));
3012 extern tree build_min PVPROTO((enum tree_code, tree, ...));
3013 extern tree build_min_nt PVPROTO((enum tree_code, ...));
3014 extern tree min_tree_cons PROTO((tree, tree, tree));
3015 extern int lvalue_p PROTO((tree));
3016 extern int lvalue_or_else PROTO((tree, char *));
3017 extern tree build_cplus_new PROTO((tree, tree));
3018 extern tree get_target_expr PROTO((tree));
3019 extern tree break_out_cleanups PROTO((tree));
3020 extern tree break_out_calls PROTO((tree));
3021 extern tree build_cplus_method_type PROTO((tree, tree, tree));
3022 extern tree build_cplus_staticfn_type PROTO((tree, tree, tree));
3023 extern tree build_cplus_array_type PROTO((tree, tree));
3024 extern int layout_basetypes PROTO((tree, int));
3025 extern tree build_vbase_pointer_fields PROTO((tree));
3026 extern tree build_base_fields PROTO((tree));
3027 extern tree hash_tree_cons PROTO((int, int, int, tree, tree, tree));
3028 extern tree hash_tree_chain PROTO((tree, tree));
3029 extern tree hash_chainon PROTO((tree, tree));
3030 extern tree get_decl_list PROTO((tree));
3031 extern tree make_binfo PROTO((tree, tree, tree, tree));
3032 extern tree binfo_value PROTO((tree, tree));
3033 extern tree reverse_path PROTO((tree));
3034 extern int count_functions PROTO((tree));
3035 extern int is_overloaded_fn PROTO((tree));
3036 extern tree get_first_fn PROTO((tree));
3037 extern tree binding_init PROTO((struct tree_binding*));
3038 extern tree ovl_cons PROTO((tree, tree));
3039 extern tree scratch_ovl_cons PROTO((tree, tree));
3040 extern int ovl_member PROTO((tree, tree));
3041 extern tree build_overload PROTO((tree, tree));
3042 extern tree fnaddr_from_vtable_entry PROTO((tree));
3043 extern tree function_arg_chain PROTO((tree));
3044 extern int promotes_to_aggr_type PROTO((tree, enum tree_code));
3045 extern int is_aggr_type_2 PROTO((tree, tree));
3046 extern char *lang_printable_name PROTO((tree, int));
3047 extern tree build_exception_variant PROTO((tree, tree));
3048 extern tree copy_template_template_parm PROTO((tree));
3049 extern tree copy_to_permanent PROTO((tree));
3050 extern void print_lang_statistics PROTO((void));
3051 extern void __eprintf
3052 PROTO((const char *, const char *, unsigned, const char *));
3053 extern tree array_type_nelts_total PROTO((tree));
3054 extern tree array_type_nelts_top PROTO((tree));
3055 extern tree break_out_target_exprs PROTO((tree));
3056 extern tree get_type_decl PROTO((tree));
3057 extern tree vec_binfo_member PROTO((tree, tree));
3058 extern tree hack_decl_function_context PROTO((tree));
3059 extern tree lvalue_type PROTO((tree));
3060 extern tree error_type PROTO((tree));
3061 extern tree make_temp_vec PROTO((int));
3062 extern tree build_ptr_wrapper PROTO((void *));
3063 extern tree build_expr_ptr_wrapper PROTO((void *));
3064 extern tree build_int_wrapper PROTO((int));
3065 extern tree build_srcloc PROTO((char *, int));
3066 extern tree build_srcloc_here PROTO((void));
3067 extern int varargs_function_p PROTO((tree));
3068 extern int really_overloaded_fn PROTO((tree));
3069 extern int cp_tree_equal PROTO((tree, tree));
3070 extern int can_free PROTO((struct obstack *, tree));
3071 extern tree mapcar PROTO((tree, tree (*) (tree)));
3072 extern tree no_linkage_check PROTO((tree));
3073 extern void debug_binfo PROTO((tree));
3074 extern void push_expression_obstack PROTO((void));
3075 #define scratchalloc expralloc
3076 #define scratch_tree_cons expr_tree_cons
3077 #define build_scratch_list build_expr_list
3078 #define make_scratch_vec make_temp_vec
3079 #define push_scratch_obstack push_expression_obstack
3080 #define hash_tree_cons_simple(PURPOSE, VALUE, CHAIN) \
3081 hash_tree_cons (0, 0, 0, (PURPOSE), (VALUE), (CHAIN))
3084 extern int string_conv_p PROTO((tree, tree, int));
3085 extern tree condition_conversion PROTO((tree));
3086 extern tree target_type PROTO((tree));
3087 extern tree require_complete_type PROTO((tree));
3088 extern tree complete_type PROTO((tree));
3089 extern tree complete_type_or_else PROTO((tree));
3090 extern int type_unknown_p PROTO((tree));
3091 extern int fntype_p PROTO((tree));
3092 extern tree require_instantiated_type PROTO((tree, tree, tree));
3093 extern tree commonparms PROTO((tree, tree));
3094 extern tree original_type PROTO((tree));
3095 extern tree common_type PROTO((tree, tree));
3096 extern int compexcepttypes PROTO((tree, tree));
3097 extern int comptypes PROTO((tree, tree, int));
3098 extern int comp_target_types PROTO((tree, tree, int));
3099 extern int compparms PROTO((tree, tree, int));
3100 extern int comp_target_types PROTO((tree, tree, int));
3101 extern int comp_cv_qualification PROTO((tree, tree));
3102 extern int comp_cv_qual_signature PROTO((tree, tree));
3103 extern int self_promoting_args_p PROTO((tree));
3104 extern tree unsigned_type PROTO((tree));
3105 extern tree signed_type PROTO((tree));
3106 extern tree signed_or_unsigned_type PROTO((int, tree));
3107 extern tree expr_sizeof PROTO((tree));
3108 extern tree c_sizeof PROTO((tree));
3109 extern tree c_sizeof_nowarn PROTO((tree));
3110 extern tree c_alignof PROTO((tree));
3111 extern tree inline_conversion PROTO((tree));
3112 extern tree decay_conversion PROTO((tree));
3113 extern tree default_conversion PROTO((tree));
3114 extern tree build_object_ref PROTO((tree, tree, tree));
3115 extern tree build_component_ref_1 PROTO((tree, tree, int));
3116 extern tree build_component_ref PROTO((tree, tree, tree, int));
3117 extern tree build_x_component_ref PROTO((tree, tree, tree, int));
3118 extern tree build_x_indirect_ref PROTO((tree, char *));
3119 extern tree build_indirect_ref PROTO((tree, char *));
3120 extern tree build_array_ref PROTO((tree, tree));
3121 extern tree build_x_function_call PROTO((tree, tree, tree));
3122 extern tree get_member_function_from_ptrfunc PROTO((tree *, tree));
3123 extern tree build_function_call_real PROTO((tree, tree, int, int));
3124 extern tree build_function_call PROTO((tree, tree));
3125 extern tree build_function_call_maybe PROTO((tree, tree));
3126 extern tree convert_arguments PROTO((tree, tree, tree, int));
3127 extern tree build_x_binary_op PROTO((enum tree_code, tree, tree));
3128 extern tree build_binary_op PROTO((enum tree_code, tree, tree, int));
3129 extern tree build_binary_op_nodefault PROTO((enum tree_code, tree, tree, enum tree_code));
3130 extern tree build_component_addr PROTO((tree, tree, char *));
3131 extern tree build_x_unary_op PROTO((enum tree_code, tree));
3132 extern tree build_unary_op PROTO((enum tree_code, tree, int));
3133 extern tree unary_complex_lvalue PROTO((enum tree_code, tree));
3134 extern int mark_addressable PROTO((tree));
3135 extern tree build_x_conditional_expr PROTO((tree, tree, tree));
3136 extern tree build_conditional_expr PROTO((tree, tree, tree));
3137 extern tree build_x_compound_expr PROTO((tree));
3138 extern tree build_compound_expr PROTO((tree));
3139 extern tree build_static_cast PROTO((tree, tree));
3140 extern tree build_reinterpret_cast PROTO((tree, tree));
3141 extern tree build_const_cast PROTO((tree, tree));
3142 extern tree build_c_cast PROTO((tree, tree));
3143 extern tree build_x_modify_expr PROTO((tree, enum tree_code, tree));
3144 extern tree build_modify_expr PROTO((tree, enum tree_code, tree));
3145 extern void warn_for_assignment PROTO((char *, char *, char *, tree, int, int));
3146 extern tree convert_for_initialization PROTO((tree, tree, tree, int, char *, tree, int));
3147 extern void c_expand_asm_operands PROTO((tree, tree, tree, tree, int, char *, int));
3148 extern void c_expand_return PROTO((tree));
3149 extern tree c_expand_start_case PROTO((tree));
3150 extern int comp_ptr_ttypes PROTO((tree, tree));
3151 extern int ptr_reasonably_similar PROTO((tree, tree));
3152 extern tree build_ptrmemfunc PROTO((tree, tree, int));
3155 extern tree error_not_base_type PROTO((tree, tree));
3156 extern tree binfo_or_else PROTO((tree, tree));
3157 extern void readonly_error PROTO((tree, char *, int));
3158 extern void abstract_virtuals_error PROTO((tree, tree));
3159 extern void signature_error PROTO((tree, tree));
3160 extern void incomplete_type_error PROTO((tree, tree));
3161 extern void my_friendly_abort PROTO((int))
3163 extern void my_friendly_assert PROTO((int, int));
3164 extern tree store_init_value PROTO((tree, tree));
3165 extern tree digest_init PROTO((tree, tree, tree *));
3166 extern tree build_scoped_ref PROTO((tree, tree));
3167 extern tree build_x_arrow PROTO((tree));
3168 extern tree build_m_component_ref PROTO((tree, tree));
3169 extern tree build_functional_cast PROTO((tree, tree));
3170 extern char *enum_name_string PROTO((tree, tree));
3171 extern void report_case_error PROTO((int, tree, tree, tree));
3172 extern void check_for_new_type PROTO((char *,flagged_type_tree));
3173 extern tree initializer_constant_valid_p PROTO((tree, tree));
3176 extern void GNU_xref_begin PROTO((char *));
3177 extern void GNU_xref_end PROTO((int));
3178 extern void GNU_xref_file PROTO((char *));
3179 extern void GNU_xref_start_scope PROTO((HOST_WIDE_INT));
3180 extern void GNU_xref_end_scope PROTO((HOST_WIDE_INT, HOST_WIDE_INT, int, int));
3181 extern void GNU_xref_ref PROTO((tree, char *));
3182 extern void GNU_xref_decl PROTO((tree, tree));
3183 extern void GNU_xref_call PROTO((tree, char *));
3184 extern void GNU_xref_function PROTO((tree, tree));
3185 extern void GNU_xref_assign PROTO((tree));
3186 extern void GNU_xref_hier PROTO((tree, tree, int, int, int));
3187 extern void GNU_xref_member PROTO((tree, tree));
3191 #endif /* not _CP_TREE_H */