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cp-tree.h
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/* Definitions for C++ parsing and type checking.
Copyright (C) 1987, 93, 94, 95, 1996 Free Software Foundation, Inc.
Hacked by Michael Tiemann ([email protected])
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _CP_TREE_H
#define _CP_TREE_H
#include "gansidecl.h"
/* Language-dependent contents of an identifier. */
struct lang_identifier
{
struct tree_identifier ignore;
tree global_value, local_value;
tree class_value;
tree class_template_info;
struct lang_id2 *x;
};
struct lang_id2
{
tree label_value, implicit_decl;
tree type_desc, as_list, error_locus;
};
typedef struct
{
tree t;
int new_type_flag;
} flagged_type_tree;
/* To identify to the debug emitters if it should pay attention to the
flag `-Wtemplate-debugging'. */
#define HAVE_TEMPLATES 1
/* Macros for access to language-specific slots in an identifier. */
#define IDENTIFIER_GLOBAL_VALUE(NODE) \
(((struct lang_identifier *)(NODE))->global_value)
#define IDENTIFIER_CLASS_VALUE(NODE) \
(((struct lang_identifier *)(NODE))->class_value)
#define IDENTIFIER_LOCAL_VALUE(NODE) \
(((struct lang_identifier *)(NODE))->local_value)
#define IDENTIFIER_TEMPLATE(NODE) \
(((struct lang_identifier *)(NODE))->class_template_info)
#define IDENTIFIER_TYPE_VALUE(NODE) (TREE_TYPE (NODE))
#define SET_IDENTIFIER_TYPE_VALUE(NODE,TYPE) (TREE_TYPE (NODE) = TYPE)
#define IDENTIFIER_HAS_TYPE_VALUE(NODE) (TREE_TYPE (NODE) ? 1 : 0)
#define LANG_ID_FIELD(NAME,NODE) \
(((struct lang_identifier *)(NODE))->x \
? ((struct lang_identifier *)(NODE))->x->NAME : 0)
#define SET_LANG_ID(NODE,VALUE,NAME) \
(((struct lang_identifier *)(NODE))->x == 0 \
? ((struct lang_identifier *)(NODE))->x \
= (struct lang_id2 *)perm_calloc (1, sizeof (struct lang_id2)) : 0, \
((struct lang_identifier *)(NODE))->x->NAME = (VALUE))
#define IDENTIFIER_LABEL_VALUE(NODE) LANG_ID_FIELD(label_value, NODE)
#define SET_IDENTIFIER_LABEL_VALUE(NODE,VALUE) \
SET_LANG_ID(NODE, VALUE, label_value)
#define IDENTIFIER_IMPLICIT_DECL(NODE) LANG_ID_FIELD(implicit_decl, NODE)
#define SET_IDENTIFIER_IMPLICIT_DECL(NODE,VALUE) \
SET_LANG_ID(NODE, VALUE, implicit_decl)
#define IDENTIFIER_AS_DESC(NODE) LANG_ID_FIELD(type_desc, NODE)
#define SET_IDENTIFIER_AS_DESC(NODE,DESC) \
SET_LANG_ID(NODE, DESC, type_desc)
#define IDENTIFIER_AS_LIST(NODE) LANG_ID_FIELD(as_list, NODE)
#define SET_IDENTIFIER_AS_LIST(NODE,LIST) \
SET_LANG_ID(NODE, LIST, as_list)
#define IDENTIFIER_ERROR_LOCUS(NODE) LANG_ID_FIELD(error_locus, NODE)
#define SET_IDENTIFIER_ERROR_LOCUS(NODE,VALUE) \
SET_LANG_ID(NODE, VALUE, error_locus)
#define IDENTIFIER_VIRTUAL_P(NODE) TREE_LANG_FLAG_1(NODE)
/* Nonzero if this identifier is the prefix for a mangled C++ operator name. */
#define IDENTIFIER_OPNAME_P(NODE) TREE_LANG_FLAG_2(NODE)
#define IDENTIFIER_TYPENAME_P(NODE) \
(! strncmp (IDENTIFIER_POINTER (NODE), \
IDENTIFIER_POINTER (ansi_opname[(int) TYPE_EXPR]), \
IDENTIFIER_LENGTH (ansi_opname[(int) TYPE_EXPR])))
/* Nonzero means reject anything that ANSI standard C forbids. */
extern int pedantic;
/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
#define C_TYPE_FIELDS_READONLY(type) TYPE_LANG_FLAG_0 (type)
/* Record in each node resulting from a binary operator
what operator was specified for it. */
#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp))
/* Store a value in that field. */
#define C_SET_EXP_ORIGINAL_CODE(exp, code) \
(TREE_COMPLEXITY (exp) = (int)(code))
/* If non-zero, a VAR_DECL whose cleanup will cause a throw to the
next exception handler. */
extern tree exception_throw_decl;
extern tree double_type_node, long_double_type_node, float_type_node;
extern tree char_type_node, unsigned_char_type_node, signed_char_type_node;
extern tree ptrdiff_type_node;
extern tree short_integer_type_node, short_unsigned_type_node;
extern tree long_integer_type_node, long_unsigned_type_node;
extern tree long_long_integer_type_node, long_long_unsigned_type_node;
extern tree unsigned_type_node;
extern tree string_type_node, char_array_type_node, int_array_type_node;
extern tree wchar_array_type_node;
extern tree wchar_type_node, signed_wchar_type_node, unsigned_wchar_type_node;
extern tree complex_integer_type_node;
extern tree complex_float_type_node;
extern tree complex_double_type_node;
extern tree complex_long_double_type_node;
extern tree intQI_type_node, unsigned_intQI_type_node;
extern tree intHI_type_node, unsigned_intHI_type_node;
extern tree intSI_type_node, unsigned_intSI_type_node;
extern tree intDI_type_node, unsigned_intDI_type_node;
extern int current_function_returns_value;
extern int current_function_returns_null;
extern tree current_function_return_value;
extern tree ridpointers[];
extern tree ansi_opname[];
extern tree ansi_assopname[];
/* Nonzero means `$' can be in an identifier. */
extern int dollars_in_ident;
/* Nonzero means allow type mismatches in conditional expressions;
just make their values `void'. */
extern int flag_cond_mismatch;
/* Nonzero means don't recognize the keyword `asm'. */
extern int flag_no_asm;
/* For cross referencing. */
extern int flag_gnu_xref;
/* For environments where you can use GNU binutils (as, ld in particular). */
extern int flag_gnu_binutils;
/* Nonzero means ignore `#ident' directives. */
extern int flag_no_ident;
/* Nonzero means warn about implicit declarations. */
extern int warn_implicit;
/* Nonzero means warn when all ctors or dtors are private, and the class
has no friends. */
extern int warn_ctor_dtor_privacy;
/* Nonzero means warn about function definitions that default the return type
or that use a null return and have a return-type other than void. */
extern int warn_return_type;
/* Nonzero means give string constants the type `const char *'
to get extra warnings from them. These warnings will be too numerous
to be useful, except in thoroughly ANSIfied programs. */
extern int warn_write_strings;
/* Nonzero means warn about sizeof(function) or addition/subtraction
of function pointers. */
extern int warn_pointer_arith;
/* Nonzero means warn about suggesting putting in ()'s. */
extern int warn_parentheses;
/* Nonzero means warn about multiple (redundant) decls for the same single
variable or function. */
extern int warn_redundant_decls;
/* Warn if initializer is not completely bracketed. */
extern int warn_missing_braces;
/* Warn about comparison of signed and unsigned values. */
extern int warn_sign_compare;
/* Warn about a subscript that has type char. */
extern int warn_char_subscripts;
/* Nonzero means warn about pointer casts that can drop a type qualifier
from the pointer target type. */
extern int warn_cast_qual;
/* Warn about *printf or *scanf format/argument anomalies. */
extern int warn_format;
/* Nonzero means warn about non virtual destructors in classes that have
virtual functions. */
extern int warn_nonvdtor;
/* Non-zero means warn when we convert a pointer to member function
into a pointer to (void or function). */
extern int warn_pmf2ptr;
/* Nonzero means warn about violation of some Effective C++ style rules. */
extern int warn_ecpp;
/* Nonzero means warn where overload resolution chooses a promotion from
unsigned to signed over a conversion to an unsigned of the same size. */
extern int warn_sign_promo;
/* Non-zero means warn when a function is declared extern and later inline. */
extern int warn_extern_inline;
/* Non-zero means warn when an old-style cast is used. */
extern int warn_old_style_cast;
/* Nonzero means to treat bitfields as unsigned unless they say `signed'. */
extern int flag_signed_bitfields;
/* 3 means write out only virtuals function tables `defined'
in this implementation file.
2 means write out only specific virtual function tables
and give them (C) public access.
1 means write out virtual function tables and give them
(C) public access.
0 means write out virtual function tables and give them
(C) static access (default).
-1 means declare virtual function tables extern. */
extern int write_virtuals;
/* True for more efficient but incompatible (not not fully tested)
vtable implementation (using thunks).
0 is old behavior; 1 is new behavior. */
extern int flag_vtable_thunks;
/* INTERFACE_ONLY nonzero means that we are in an "interface"
section of the compiler. INTERFACE_UNKNOWN nonzero means
we cannot trust the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN
is zero and INTERFACE_ONLY is zero, it means that we are responsible
for exporting definitions that others might need. */
extern int interface_only, interface_unknown;
/* Nonzero means we should attempt to elide constructors when possible. */
extern int flag_elide_constructors;
/* Nonzero means enable obscure ANSI features and disable GNU extensions
that might cause ANSI-compliant code to be miscompiled. */
extern int flag_ansi;
/* Nonzero means do argument matching for overloading according to the
ANSI rules, rather than what g++ used to believe to be correct. */
extern int flag_ansi_overloading;
/* Nonzero means recognize and handle signature language constructs. */
extern int flag_handle_signatures;
/* Nonzero means that member functions defined in class scope are
inline by default. */
extern int flag_default_inline;
/* The name-mangling scheme to use. Versions of gcc before 2.8 use
version 0. */
extern int name_mangling_version;
/* Nonzero means that guiding declarations are allowed. */
extern int flag_guiding_decls;
/* C++ language-specific tree codes. */
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
enum cplus_tree_code {
__DUMMY = LAST_AND_UNUSED_TREE_CODE,
#include "cp-tree.def"
LAST_CPLUS_TREE_CODE
};
#undef DEFTREECODE
enum languages { lang_c, lang_cplusplus };
/* Macros to make error reporting functions' lives easier. */
#define TYPE_IDENTIFIER(NODE) (DECL_NAME (TYPE_NAME (NODE)))
#define TYPE_NAME_STRING(NODE) (IDENTIFIER_POINTER (TYPE_IDENTIFIER (NODE)))
#define TYPE_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (TYPE_IDENTIFIER (NODE)))
#define TYPE_ASSEMBLER_NAME_STRING(NODE) (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
#define TYPE_ASSEMBLER_NAME_LENGTH(NODE) (IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (TYPE_NAME (NODE))))
/* The _DECL for this _TYPE. */
#define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE)))
#define IS_AGGR_TYPE(t) (TYPE_LANG_FLAG_5 (t))
#define IS_AGGR_TYPE_CODE(t) (t == RECORD_TYPE || t == UNION_TYPE)
#define IS_AGGR_TYPE_2(TYPE1,TYPE2) \
(TREE_CODE (TYPE1) == TREE_CODE (TYPE2) \
&& IS_AGGR_TYPE (TYPE1)&IS_AGGR_TYPE (TYPE2))
#define IS_OVERLOAD_TYPE(t) \
(IS_AGGR_TYPE (t) || TREE_CODE (t) == ENUMERAL_TYPE)
/* In a *_TYPE, nonzero means a built-in type. */
#define TYPE_BUILT_IN(NODE) TYPE_LANG_FLAG_6(NODE)
#define DELTA_FROM_VTABLE_ENTRY(ENTRY) \
(!flag_vtable_thunks ? \
TREE_VALUE (CONSTRUCTOR_ELTS (ENTRY)) \
: TREE_CODE (TREE_OPERAND ((ENTRY), 0)) != THUNK_DECL ? integer_zero_node \
: build_int_2 (THUNK_DELTA (TREE_OPERAND ((ENTRY), 0)), 0))
/* Virtual function addresses can be gotten from a virtual function
table entry using this macro. */
#define FNADDR_FROM_VTABLE_ENTRY(ENTRY) \
(!flag_vtable_thunks ? \
TREE_VALUE (TREE_CHAIN (TREE_CHAIN (CONSTRUCTOR_ELTS (ENTRY)))) \
: TREE_CODE (TREE_OPERAND ((ENTRY), 0)) != THUNK_DECL ? (ENTRY) \
: DECL_INITIAL (TREE_OPERAND ((ENTRY), 0)))
#define SET_FNADDR_FROM_VTABLE_ENTRY(ENTRY,VALUE) \
(TREE_VALUE (TREE_CHAIN (TREE_CHAIN (CONSTRUCTOR_ELTS (ENTRY)))) = (VALUE))
#define FUNCTION_ARG_CHAIN(NODE) (TREE_CHAIN (TYPE_ARG_TYPES (TREE_TYPE (NODE))))
#define PROMOTES_TO_AGGR_TYPE(NODE,CODE) \
(((CODE) == TREE_CODE (NODE) \
&& IS_AGGR_TYPE (TREE_TYPE (NODE))) \
|| IS_AGGR_TYPE (NODE))
/* Nonzero iff TYPE is uniquely derived from PARENT. Under MI, PARENT can
be an ambiguous base class of TYPE, and this macro will be false. */
#define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 0, (tree *)0) >= 0)
#define ACCESSIBLY_DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, -1, (tree *)0) >= 0)
#define ACCESSIBLY_UNIQUELY_DERIVED_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 1, (tree *)0) >= 0)
#define DERIVED_FROM_P(PARENT, TYPE) (get_base_distance (PARENT, TYPE, 0, (tree *)0) != -1)
/* Statistics show that while the GNU C++ compiler may generate
thousands of different types during a compilation run, it
generates relatively few (tens) of classtypes. Because of this,
it is not costly to store a generous amount of information
in classtype nodes. This struct must fill out to a multiple of 4 bytes. */
struct lang_type
{
struct
{
unsigned has_type_conversion : 1;
unsigned has_int_conversion : 1;
unsigned has_float_conversion : 1;
unsigned has_init_ref : 1;
unsigned gets_init_aggr : 1;
unsigned has_assignment : 1;
unsigned has_default_ctor : 1;
unsigned uses_multiple_inheritance : 1;
unsigned has_nonpublic_ctor : 2;
unsigned has_nonpublic_assign_ref : 2;
unsigned const_needs_init : 1;
unsigned ref_needs_init : 1;
unsigned has_const_assign_ref : 1;
unsigned vtable_needs_writing : 1;
unsigned has_assign_ref : 1;
unsigned gets_new : 2;
unsigned gets_delete : 2;
unsigned has_call_overloaded : 1;
unsigned has_array_ref_overloaded : 1;
unsigned has_arrow_overloaded : 1;
unsigned local_typedecls : 1;
unsigned interface_only : 1;
unsigned interface_unknown : 1;
unsigned needs_virtual_reinit : 1;
unsigned vec_delete_takes_size : 1;
unsigned declared_class : 1;
unsigned being_defined : 1;
unsigned redefined : 1;
unsigned no_globalize : 1;
unsigned marked : 1;
unsigned marked2 : 1;
unsigned marked3 : 1;
unsigned marked4 : 1;
unsigned marked5 : 1;
unsigned marked6 : 1;
unsigned debug_requested : 1;
unsigned use_template : 2;
unsigned has_method_call_overloaded : 1;
unsigned private_attr : 1;
unsigned got_semicolon : 1;
unsigned ptrmemfunc_flag : 1;
unsigned is_signature : 1;
unsigned is_signature_pointer : 1;
unsigned is_signature_reference : 1;
unsigned has_opaque_typedecls : 1;
unsigned sigtable_has_been_generated : 1;
unsigned was_anonymous : 1;
unsigned has_real_assignment : 1;
unsigned has_real_assign_ref : 1;
unsigned has_const_init_ref : 1;
unsigned has_complex_init_ref : 1;
unsigned has_complex_assign_ref : 1;
unsigned has_abstract_assign_ref : 1;
unsigned non_aggregate : 1;
/* The MIPS compiler gets it wrong if this struct also
does not fill out to a multiple of 4 bytes. Add a
member `dummy' with new bits if you go over the edge. */
unsigned dummy : 21;
unsigned n_vancestors : 16;
} type_flags;
int cid;
int n_ancestors;
int vsize;
int max_depth;
int vfield_parent;
union tree_node *vbinfo[2];
union tree_node *baselink_vec;
union tree_node *vfields;
union tree_node *vbases;
union tree_node *vbase_size;
union tree_node *tags;
char *memoized_table_entry;
union tree_node *search_slot;
#ifdef ONLY_INT_FIELDS
unsigned int mode : 8;
#else
enum machine_mode mode : 8;
#endif
unsigned char size_unit;
unsigned char align;
unsigned char sep_unit;
union tree_node *sep;
union tree_node *size;
union tree_node *base_init_list;
union tree_node *abstract_virtuals;
union tree_node *as_list;
union tree_node *id_as_list;
union tree_node *binfo_as_list;
union tree_node *friend_classes;
char *mi_matrix;
union tree_node *rtti;
union tree_node *methods;
union tree_node *signature;
union tree_node *signature_pointer_to;
union tree_node *signature_reference_to;
union tree_node *template_info;
int linenum;
};
#define CLASSTYPE_SOURCE_LINE(NODE) (TYPE_LANG_SPECIFIC(NODE)->linenum)
/* Indicates whether or not (and how) a template was expanded for this class.
0=no information yet/non-template class
1=implicit template instantiation
2=explicit template specialization
3=explicit template instantiation */
#define CLASSTYPE_USE_TEMPLATE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.use_template)
/* Fields used for storing information before the class is defined.
After the class is defined, these fields hold other information. */
/* List of friends which were defined inline in this class definition. */
#define CLASSTYPE_INLINE_FRIENDS(NODE) (TYPE_NONCOPIED_PARTS (NODE))
/* Nonzero for _CLASSTYPE means that the _CLASSTYPE either has
a special meaning for the assignment operator ("operator="),
or one of its fields (or base members) has a special meaning
defined. */
#define TYPE_HAS_ASSIGNMENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_assignment)
#define TYPE_HAS_REAL_ASSIGNMENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_real_assignment)
/* Nonzero for _CLASSTYPE means that operator new and delete are defined,
respectively. */
#define TYPE_GETS_NEW(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_new)
#define TYPE_GETS_DELETE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_delete)
#define TYPE_GETS_REG_DELETE(NODE) (TYPE_GETS_DELETE (NODE) & 1)
/* Nonzero for _CLASSTYPE means that operator vec delete is defined and
takes the optional size_t argument. */
#define TYPE_VEC_DELETE_TAKES_SIZE(NODE) \
(TYPE_LANG_SPECIFIC(NODE)->type_flags.vec_delete_takes_size)
#define TYPE_VEC_NEW_USES_COOKIE(NODE) \
(TYPE_NEEDS_DESTRUCTOR (NODE) \
|| (TYPE_LANG_SPECIFIC (NODE) && TYPE_VEC_DELETE_TAKES_SIZE (NODE)))
/* Nonzero for TREE_LIST or _TYPE node means that this node is class-local. */
#define TREE_NONLOCAL_FLAG(NODE) (TREE_LANG_FLAG_0 (NODE))
/* Nonzero for a _CLASSTYPE node which we know to be private. */
#define TYPE_PRIVATE_P(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.private_attr)
/* Nonzero means that this _CLASSTYPE node defines ways of converting
itself to other types. */
#define TYPE_HAS_CONVERSION(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_type_conversion)
/* Nonzero means that this _CLASSTYPE node can convert itself to an
INTEGER_TYPE. */
#define TYPE_HAS_INT_CONVERSION(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_int_conversion)
/* Nonzero means that this _CLASSTYPE node can convert itself to an
REAL_TYPE. */
#define TYPE_HAS_REAL_CONVERSION(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_float_conversion)
/* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
#define TYPE_HAS_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_assign_ref)
#define TYPE_HAS_CONST_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_const_assign_ref)
/* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
#define TYPE_HAS_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_init_ref)
#define TYPE_HAS_CONST_INIT_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_const_init_ref)
/* Nonzero means that this _CLASSTYPE node has an X(X ...) constructor.
Note that there must be other arguments, or this constructor is flagged
as being erroneous. */
#define TYPE_GETS_INIT_AGGR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.gets_init_aggr)
/* Nonzero means that this type is being defined. I.e., the left brace
starting the definition of this type has been seen. */
#define TYPE_BEING_DEFINED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.being_defined)
/* Nonzero means that this type has been redefined. In this case, if
convenient, don't reprocess any methods that appear in its redefinition. */
#define TYPE_REDEFINED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.redefined)
/* Nonzero means that this _CLASSTYPE node overloads the method call
operator. In this case, all method calls go through `operator->()(...). */
#define TYPE_OVERLOADS_METHOD_CALL_EXPR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_method_call_overloaded)
/* Nonzero means that this type is a signature. */
# define IS_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)?TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature:0)
# define SET_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature=1)
# define CLEAR_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature=0)
/* Nonzero means that this type is a signature pointer type. */
# define IS_SIGNATURE_POINTER(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature_pointer)
/* Nonzero means that this type is a signature reference type. */
# define IS_SIGNATURE_REFERENCE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.is_signature_reference)
/* Nonzero means that this signature contains opaque type declarations. */
#define SIGNATURE_HAS_OPAQUE_TYPEDECLS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_opaque_typedecls)
/* Nonzero means that a signature table has been generated
for this signature. */
#define SIGTABLE_HAS_BEEN_GENERATED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.sigtable_has_been_generated)
/* If NODE is a class, this is the signature type that contains NODE's
signature after it has been computed using sigof(). */
#define CLASSTYPE_SIGNATURE(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
/* If NODE is a signature pointer or signature reference, this is the
signature type the pointer/reference points to. */
#define SIGNATURE_TYPE(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
/* If NODE is a signature, this is a vector of all methods defined
in the signature or in its base types together with their default
implementations. */
#define SIGNATURE_METHOD_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature)
/* If NODE is a signature, this is the _TYPE node that contains NODE's
signature pointer type. */
#define SIGNATURE_POINTER_TO(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature_pointer_to)
/* If NODE is a signature, this is the _TYPE node that contains NODE's
signature reference type. */
#define SIGNATURE_REFERENCE_TO(NODE) (TYPE_LANG_SPECIFIC(NODE)->signature_reference_to)
/* The is the VAR_DECL that contains NODE's rtti. */
#define CLASSTYPE_RTTI(NODE) (TYPE_LANG_SPECIFIC(NODE)->rtti)
/* Nonzero means that this _CLASSTYPE node overloads operator(). */
#define TYPE_OVERLOADS_CALL_EXPR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_call_overloaded)
/* Nonzero means that this _CLASSTYPE node overloads operator[]. */
#define TYPE_OVERLOADS_ARRAY_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_array_ref_overloaded)
/* Nonzero means that this _CLASSTYPE node overloads operator->. */
#define TYPE_OVERLOADS_ARROW(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_arrow_overloaded)
/* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
multiple inheritance. If this is 0 for the root of a type
hierarchy, then we can use more efficient search techniques. */
#define TYPE_USES_MULTIPLE_INHERITANCE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.uses_multiple_inheritance)
/* Nonzero means that this _CLASSTYPE (or one of its ancestors) uses
virtual base classes. If this is 0 for the root of a type
hierarchy, then we can use more efficient search techniques. */
#define TYPE_USES_VIRTUAL_BASECLASSES(NODE) (TREE_LANG_FLAG_3(NODE))
/* List of lists of member functions defined in this class. */
#define CLASSTYPE_METHOD_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->methods)
/* The first type conversion operator in the class (the others can be
searched with TREE_CHAIN), or the first non-constructor function if
there are no type conversion operators. */
#define CLASSTYPE_FIRST_CONVERSION(NODE) \
TREE_VEC_LENGTH (CLASSTYPE_METHOD_VEC (NODE)) > 2 \
? TREE_VEC_ELT (CLASSTYPE_METHOD_VEC (NODE), 2) \
: NULL_TREE;
/* Pointer from any member function to the head of the list of
member functions of the type that member function belongs to. */
#define CLASSTYPE_BASELINK_VEC(NODE) (TYPE_LANG_SPECIFIC(NODE)->baselink_vec)
/* Mark bits for depth-first and breath-first searches. */
#define CLASSTYPE_MARKED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked)
#define CLASSTYPE_MARKED2(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked2)
#define CLASSTYPE_MARKED3(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked3)
#define CLASSTYPE_MARKED4(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked4)
#define CLASSTYPE_MARKED5(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked5)
#define CLASSTYPE_MARKED6(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.marked6)
/* Macros to modify the above flags */
#define SET_CLASSTYPE_MARKED(NODE) (CLASSTYPE_MARKED(NODE) = 1)
#define CLEAR_CLASSTYPE_MARKED(NODE) (CLASSTYPE_MARKED(NODE) = 0)
#define SET_CLASSTYPE_MARKED2(NODE) (CLASSTYPE_MARKED2(NODE) = 1)
#define CLEAR_CLASSTYPE_MARKED2(NODE) (CLASSTYPE_MARKED2(NODE) = 0)
#define SET_CLASSTYPE_MARKED3(NODE) (CLASSTYPE_MARKED3(NODE) = 1)
#define CLEAR_CLASSTYPE_MARKED3(NODE) (CLASSTYPE_MARKED3(NODE) = 0)
#define SET_CLASSTYPE_MARKED4(NODE) (CLASSTYPE_MARKED4(NODE) = 1)
#define CLEAR_CLASSTYPE_MARKED4(NODE) (CLASSTYPE_MARKED4(NODE) = 0)
#define SET_CLASSTYPE_MARKED5(NODE) (CLASSTYPE_MARKED5(NODE) = 1)
#define CLEAR_CLASSTYPE_MARKED5(NODE) (CLASSTYPE_MARKED5(NODE) = 0)
#define SET_CLASSTYPE_MARKED6(NODE) (CLASSTYPE_MARKED6(NODE) = 1)
#define CLEAR_CLASSTYPE_MARKED6(NODE) (CLASSTYPE_MARKED6(NODE) = 0)
#define CLASSTYPE_TAGS(NODE) (TYPE_LANG_SPECIFIC(NODE)->tags)
/* If this class has any bases, this is the number of the base class from
which our VFIELD is based, -1 otherwise. If this class has no base
classes, this is not used.
In D : B1, B2, PARENT would be 0, if D's vtable came from B1,
1, if D's vtable came from B2. */
#define CLASSTYPE_VFIELD_PARENT(NODE) (TYPE_LANG_SPECIFIC(NODE)->vfield_parent)
/* Remove when done merging. */
#define CLASSTYPE_VFIELD(NODE) TYPE_VFIELD(NODE)
/* The number of virtual functions defined for this
_CLASSTYPE node. */
#define CLASSTYPE_VSIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->vsize)
/* The virtual base classes that this type uses. */
#define CLASSTYPE_VBASECLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->vbases)
/* The virtual function pointer fields that this type contains. */
#define CLASSTYPE_VFIELDS(NODE) (TYPE_LANG_SPECIFIC(NODE)->vfields)
/* Number of baseclasses defined for this type.
0 means no base classes. */
#define CLASSTYPE_N_BASECLASSES(NODE) \
(TYPE_BINFO_BASETYPES (NODE) ? TREE_VEC_LENGTH (TYPE_BINFO_BASETYPES(NODE)) : 0)
/* Memoize the number of super classes (base classes) tha this node
has. That way we can know immediately (albeit conservatively how
large a multiple-inheritance matrix we need to build to find
derivation information. */
#define CLASSTYPE_N_SUPERCLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->n_ancestors)
#define CLASSTYPE_N_VBASECLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.n_vancestors)
/* Record how deep the inheritance is for this class so `void*' conversions
are less favorable than a conversion to the most base type. */
#define CLASSTYPE_MAX_DEPTH(NODE) (TYPE_LANG_SPECIFIC(NODE)->max_depth)
/* Used for keeping search-specific information. Any search routine
which uses this must define what exactly this slot is used for. */
#define CLASSTYPE_SEARCH_SLOT(NODE) (TYPE_LANG_SPECIFIC(NODE)->search_slot)
/* Entry for keeping memoization tables for this type to
hopefully speed up search routines. Since it is a pointer,
it can mean almost anything. */
#define CLASSTYPE_MTABLE_ENTRY(NODE) (TYPE_LANG_SPECIFIC(NODE)->memoized_table_entry)
/* This is the total size of the baseclasses defined for this type.
Needed because it is desirable to layout such information
before beginning to process the class itself, and we
don't want to compute it second time when actually laying
out the type for real. */
#define CLASSTYPE_SIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->size)
#define CLASSTYPE_SIZE_UNIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->size_unit)
#define CLASSTYPE_MODE(NODE) (TYPE_LANG_SPECIFIC(NODE)->mode)
#define CLASSTYPE_ALIGN(NODE) (TYPE_LANG_SPECIFIC(NODE)->align)
/* This is the space needed for virtual base classes. NULL if
there are no virtual basetypes. */
#define CLASSTYPE_VBASE_SIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->vbase_size)
/* A cons list of structure elements which either have constructors
to be called, or virtual function table pointers which
need initializing. Depending on what is being initialized,
the TREE_PURPOSE and TREE_VALUE fields have different meanings:
Member initialization: <FIELD_DECL, TYPE>
Base class construction: <NULL_TREE, BASETYPE>
Base class initialization: <BASE_INITIALIZATION, THESE_INITIALIZATIONS>
Whole type: <MEMBER_INIT, BASE_INIT>. */
#define CLASSTYPE_BASE_INIT_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->base_init_list)
/* A cons list of virtual functions which cannot be inherited by
derived classes. When deriving from this type, the derived
class must provide its own definition for each of these functions. */
#define CLASSTYPE_ABSTRACT_VIRTUALS(NODE) (TYPE_LANG_SPECIFIC(NODE)->abstract_virtuals)
/* Nonzero means that this aggr type has been `closed' by a semicolon. */
#define CLASSTYPE_GOT_SEMICOLON(NODE) (TYPE_LANG_SPECIFIC (NODE)->type_flags.got_semicolon)
/* Nonzero means that the main virtual function table pointer needs to be
set because base constructors have placed the wrong value there.
If this is zero, it means that they placed the right value there,
and there is no need to change it. */
#define CLASSTYPE_NEEDS_VIRTUAL_REINIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.needs_virtual_reinit)
/* Nonzero means that if this type has virtual functions, that
the virtual function table will be written out. */
#define CLASSTYPE_VTABLE_NEEDS_WRITING(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.vtable_needs_writing)
/* Nonzero means that this type defines its own local type declarations. */
#define CLASSTYPE_LOCAL_TYPEDECLS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.local_typedecls)
/* Nonzero means that this type has an X() constructor. */
#define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_default_ctor)
/* Nonzero means the type declared a ctor as private or protected. We
use this to make sure we don't try to generate a copy ctor for a
class that has a member of type NODE. */
#define TYPE_HAS_NONPUBLIC_CTOR(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_nonpublic_ctor)
/* Ditto, for operator=. */
#define TYPE_HAS_NONPUBLIC_ASSIGN_REF(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.has_nonpublic_assign_ref)
/* Many routines need to cons up a list of basetypes for access
checking. This field contains a TREE_LIST node whose TREE_VALUE
is the main variant of the type, and whose TREE_VIA_PUBLIC
and TREE_VIA_VIRTUAL bits are correctly set. */
#define CLASSTYPE_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->as_list)
/* Same, but cache a list whose value is the name of this type. */
#define CLASSTYPE_ID_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->id_as_list)
/* Same, but cache a list whose value is the binfo of this type. */
#define CLASSTYPE_BINFO_AS_LIST(NODE) (TYPE_LANG_SPECIFIC(NODE)->binfo_as_list)
/* A list of class types with which this type is a friend. */
#define CLASSTYPE_FRIEND_CLASSES(NODE) (TYPE_LANG_SPECIFIC(NODE)->friend_classes)
/* Keep an inheritance lattice around so we can quickly tell whether
a type is derived from another or not. */
#define CLASSTYPE_MI_MATRIX(NODE) (TYPE_LANG_SPECIFIC(NODE)->mi_matrix)
/* Say whether this node was declared as a "class" or a "struct". */
#define CLASSTYPE_DECLARED_CLASS(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.declared_class)
/* whether this can be globalized. */
#define CLASSTYPE_NO_GLOBALIZE(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.no_globalize)
/* Nonzero if this class has const members which have no specified initialization. */
#define CLASSTYPE_READONLY_FIELDS_NEED_INIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.const_needs_init)
/* Nonzero if this class has ref members which have no specified initialization. */
#define CLASSTYPE_REF_FIELDS_NEED_INIT(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.ref_needs_init)
/* Nonzero if this class is included from a header file which employs
`#pragma interface', and it is not included in its implementation file. */
#define CLASSTYPE_INTERFACE_ONLY(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_only)
/* Same as above, but for classes whose purpose we do not know. */
#define CLASSTYPE_INTERFACE_UNKNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown)
#define CLASSTYPE_INTERFACE_KNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown == 0)
#define SET_CLASSTYPE_INTERFACE_UNKNOWN_X(NODE,X) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = !!(X))
#define SET_CLASSTYPE_INTERFACE_UNKNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = 1)
#define SET_CLASSTYPE_INTERFACE_KNOWN(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.interface_unknown = 0)
/* Nonzero if a _DECL node requires us to output debug info for this class. */
#define CLASSTYPE_DEBUG_REQUESTED(NODE) (TYPE_LANG_SPECIFIC(NODE)->type_flags.debug_requested)
/* Additional macros for inheritance information. */
#define CLASSTYPE_VBINFO(NODE,VIA_PUBLIC) \
(TYPE_LANG_SPECIFIC (NODE)->vbinfo[VIA_PUBLIC])
/* When following an binfo-specific chain, this is the cumulative
via-public flag. */
#define BINFO_VIA_PUBLIC(NODE) TREE_LANG_FLAG_5 (NODE)
/* When building a matrix to determine by a single lookup
whether one class is derived from another or not,
this field is the index of the class in the table. */
#define CLASSTYPE_CID(NODE) (TYPE_LANG_SPECIFIC(NODE)->cid)
#define BINFO_CID(NODE) CLASSTYPE_CID(BINFO_TYPE(NODE))
/* Nonzero means marked by DFS or BFS search, including searches
by `get_binfo' and `get_base_distance'. */
#define BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED(BINFO_TYPE(NODE)):TREE_LANG_FLAG_0(NODE))
/* Macros needed because of C compilers that don't allow conditional
expressions to be lvalues. Grr! */
#define SET_BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_0(NODE)=1))
#define CLEAR_BINFO_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_0(NODE)=0))
/* Nonzero means marked in building initialization list. */
#define BINFO_BASEINIT_MARKED(NODE) CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
/* Modifier macros */
#define SET_BINFO_BASEINIT_MARKED(NODE) SET_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
#define CLEAR_BINFO_BASEINIT_MARKED(NODE) CLEAR_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
/* Nonzero means marked in search through virtual inheritance hierarchy. */
#define BINFO_VBASE_MARKED(NODE) CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
/* Modifier macros */
#define SET_BINFO_VBASE_MARKED(NODE) SET_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
#define CLEAR_BINFO_VBASE_MARKED(NODE) CLEAR_CLASSTYPE_MARKED2 (BINFO_TYPE (NODE))
/* Nonzero means marked in search for members or member functions. */
#define BINFO_FIELDS_MARKED(NODE) \
(TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED2 (BINFO_TYPE (NODE)):TREE_LANG_FLAG_2(NODE))
#define SET_BINFO_FIELDS_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED2(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_2(NODE)=1))
#define CLEAR_BINFO_FIELDS_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED2(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_2(NODE)=0))
/* Nonzero means that this class is on a path leading to a new vtable. */
#define BINFO_VTABLE_PATH_MARKED(NODE) \
(TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):TREE_LANG_FLAG_3(NODE))
#define SET_BINFO_VTABLE_PATH_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_3(NODE)=1))
#define CLEAR_BINFO_VTABLE_PATH_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED3(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_3(NODE)=0))
/* Nonzero means that this class has a new vtable. */
#define BINFO_NEW_VTABLE_MARKED(NODE) \
(TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):TREE_LANG_FLAG_4(NODE))
#define SET_BINFO_NEW_VTABLE_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_4(NODE)=1))
#define CLEAR_BINFO_NEW_VTABLE_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED4(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_4(NODE)=0))
/* Nonzero means this class has initialized its virtual baseclasses. */
#define BINFO_VBASE_INIT_MARKED(NODE) \
(TREE_VIA_VIRTUAL(NODE)?CLASSTYPE_MARKED5(BINFO_TYPE(NODE)):TREE_LANG_FLAG_5(NODE))
#define SET_BINFO_VBASE_INIT_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?SET_CLASSTYPE_MARKED5(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_5(NODE)=1))
#define CLEAR_BINFO_VBASE_INIT_MARKED(NODE) (TREE_VIA_VIRTUAL(NODE)?CLEAR_CLASSTYPE_MARKED5(BINFO_TYPE(NODE)):(TREE_LANG_FLAG_5(NODE)=0))
/* Accessor macros for the vfield slots in structures. */
/* Get the assoc info that caused this vfield to exist. */
#define VF_BINFO_VALUE(NODE) TREE_PURPOSE (NODE)
/* Get that same information as a _TYPE. */
#define VF_BASETYPE_VALUE(NODE) TREE_VALUE (NODE)
/* Get the value of the top-most type dominating the non-`normal' vfields. */
#define VF_DERIVED_VALUE(NODE) (VF_BINFO_VALUE (NODE) ? BINFO_TYPE (VF_BINFO_VALUE (NODE)) : NULL_TREE)
/* Get the value of the top-most type that's `normal' for the vfield. */
#define VF_NORMAL_VALUE(NODE) TREE_TYPE (NODE)
/* Nonzero for TREE_LIST node means that this list of things
is a list of parameters, as opposed to a list of expressions. */
#define TREE_PARMLIST(NODE) ((NODE)->common.unsigned_flag) /* overloaded! */
/* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
this type can raise. */
#define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_NONCOPIED_PARTS (NODE)
/* The binding level associated with the namespace. */
#define NAMESPACE_LEVEL(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.level)
struct lang_decl_flags
{
#ifdef ONLY_INT_FIELDS
int language : 8;
#else
enum languages language : 8;
#endif
unsigned operator_attr : 1;
unsigned constructor_attr : 1;
unsigned returns_first_arg : 1;
unsigned preserves_first_arg : 1;
unsigned friend_attr : 1;
unsigned static_function : 1;
unsigned const_memfunc : 1;
unsigned volatile_memfunc : 1;
unsigned abstract_virtual : 1;
unsigned permanent_attr : 1 ;
unsigned constructor_for_vbase_attr : 1;
unsigned mutable_flag : 1;
unsigned is_default_implementation : 1;
unsigned saved_inline : 1;
unsigned use_template : 2;
unsigned nonconverting : 1;
unsigned declared_inline : 1;
unsigned not_really_extern : 1;
unsigned comdat : 1;
unsigned dummy : 4;
tree access;
tree context;
tree memfunc_pointer_to;
tree template_info;
struct binding_level *level;
};
struct lang_decl
{
struct lang_decl_flags decl_flags;
tree main_decl_variant;
struct pending_inline *pending_inline_info;
tree chain;
};
/* Non-zero if NODE is a _DECL with TREE_READONLY set. */
#define TREE_READONLY_DECL_P(NODE) \
(TREE_READONLY (NODE) && TREE_CODE_CLASS (TREE_CODE (NODE)) == 'd')
/* Non-zero iff DECL is memory-based. The DECL_RTL of
certain const variables might be a CONST_INT, or a REG
in some cases. We cannot use `memory_operand' as a test
here because on most RISC machines, a variable's address
is not, by itself, a legitimate address. */
#define DECL_IN_MEMORY_P(NODE) \
(DECL_RTL (NODE) != NULL_RTX && GET_CODE (DECL_RTL (NODE)) == MEM)
/* For FUNCTION_DECLs: return the language in which this decl
was declared. */
#define DECL_LANGUAGE(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.language)
/* For FUNCTION_DECLs: nonzero means that this function is a constructor. */
#define DECL_CONSTRUCTOR_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.constructor_attr)
/* For FUNCTION_DECLs: nonzero means that this function is a constructor
for an object with virtual baseclasses. */
#define DECL_CONSTRUCTOR_FOR_VBASE_P(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.constructor_for_vbase_attr)
/* For FUNCTION_DECLs: nonzero means that this function is a default
implementation of a signature method. */
#define IS_DEFAULT_IMPLEMENTATION(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.is_default_implementation)
/* For FUNCTION_DECLs: nonzero means that the constructor
is known to return a non-zero `this' unchanged. */
#define DECL_RETURNS_FIRST_ARG(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.returns_first_arg)
/* Nonzero for FUNCTION_DECL means that this constructor is known to
not make any assignment to `this', and therefore can be trusted
to return it unchanged. Otherwise, we must re-assign `current_class_ptr'
after performing base initializations. */
#define DECL_PRESERVES_THIS(NODE) (DECL_LANG_SPECIFIC(NODE)->decl_flags.preserves_first_arg)