diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/c-tree.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/c-tree.h | 665 |
1 files changed, 665 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/c-tree.h b/gcc-4.2.1-5666.3/gcc/c-tree.h new file mode 100644 index 000000000..0c33f613d --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/c-tree.h @@ -0,0 +1,665 @@ +/* Definitions for C parsing and type checking. + Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, + 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC 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. + +GCC 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 GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#ifndef GCC_C_TREE_H +#define GCC_C_TREE_H + +#include "c-common.h" +#include "toplev.h" +#include "diagnostic.h" + +/* struct lang_identifier is private to c-decl.c, but langhooks.c needs to + know how big it is. This is sanity-checked in c-decl.c. */ +#define C_SIZEOF_STRUCT_LANG_IDENTIFIER \ + (sizeof (struct c_common_identifier) + 3 * sizeof (void *)) + +/* Language-specific declaration information. */ + +struct lang_decl GTY(()) +{ + char dummy; +}; + +/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */ +#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1 (TYPE) + +/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile. */ +#define C_TYPE_FIELDS_VOLATILE(TYPE) TREE_LANG_FLAG_2 (TYPE) + +/* In a RECORD_TYPE or UNION_TYPE or ENUMERAL_TYPE + nonzero if the definition of the type has already started. */ +#define C_TYPE_BEING_DEFINED(TYPE) TYPE_LANG_FLAG_0 (TYPE) + +/* In an incomplete RECORD_TYPE or UNION_TYPE, a list of variable + declarations whose type would be completed by completing that type. */ +#define C_TYPE_INCOMPLETE_VARS(TYPE) TYPE_VFIELD (TYPE) + +/* In an IDENTIFIER_NODE, nonzero if this identifier is actually a + keyword. C_RID_CODE (node) is then the RID_* value of the keyword, + and C_RID_YYCODE is the token number wanted by Yacc. */ +#define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID) + +struct lang_type GTY(()) +{ + /* In a RECORD_TYPE, a sorted array of the fields of the type. */ + struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s; + /* In an ENUMERAL_TYPE, the min and max values. */ + tree enum_min; + tree enum_max; + /* In a RECORD_TYPE, information specific to Objective-C, such + as a list of adopted protocols or a pointer to a corresponding + @interface. See objc/objc-act.h for details. */ + tree objc_info; +}; + +/* Record whether a type or decl was written with nonconstant size. + Note that TYPE_SIZE may have simplified to a constant. */ +#define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE) +#define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE) + +/* Record whether a typedef for type `int' was actually `signed int'. */ +#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP) + +/* For a FUNCTION_DECL, nonzero if it was defined without an explicit + return type. */ +#define C_FUNCTION_IMPLICIT_INT(EXP) DECL_LANG_FLAG_1 (EXP) + +/* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */ +#define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP) + +/* For FUNCTION_DECLs, evaluates true if the decl is built-in but has + been declared. */ +#define C_DECL_DECLARED_BUILTIN(EXP) \ + DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP)) + +/* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a + built-in prototype and does not have a non-built-in prototype. */ +#define C_DECL_BUILTIN_PROTOTYPE(EXP) \ + DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP)) + +/* Record whether a decl was declared register. This is strictly a + front-end flag, whereas DECL_REGISTER is used for code generation; + they may differ for structures with volatile fields. */ +#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4 (EXP) + +/* Record whether a decl was used in an expression anywhere except an + unevaluated operand of sizeof / typeof / alignof. This is only + used for functions declared static but not defined, though outside + sizeof and typeof it is set for other function decls as well. */ +#define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP)) + +/* Record whether a label was defined in a statement expression which + has finished and so can no longer be jumped to. */ +#define C_DECL_UNJUMPABLE_STMT_EXPR(EXP) \ + DECL_LANG_FLAG_6 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a label was the subject of a goto from outside the + current level of statement expression nesting and so cannot be + defined right now. */ +#define C_DECL_UNDEFINABLE_STMT_EXPR(EXP) \ + DECL_LANG_FLAG_7 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a label was defined in the scope of an identifier + with variably modified type which has finished and so can no longer + be jumped to. */ +#define C_DECL_UNJUMPABLE_VM(EXP) \ + DECL_LANG_FLAG_3 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a label was the subject of a goto from outside the + current level of scopes of identifiers with variably modified type + and so cannot be defined right now. */ +#define C_DECL_UNDEFINABLE_VM(EXP) \ + DECL_LANG_FLAG_5 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a variable has been declared threadprivate by + #pragma omp threadprivate. */ +#define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL)) + +/* Nonzero for a decl which either doesn't exist or isn't a prototype. + N.B. Could be simplified if all built-in decls had complete prototypes + (but this is presently difficult because some of them need FILE*). */ +#define C_DECL_ISNT_PROTOTYPE(EXP) \ + (EXP == 0 \ + || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \ + && !DECL_BUILT_IN (EXP))) + +/* For FUNCTION_TYPE, a hidden list of types of arguments. The same as + TYPE_ARG_TYPES for functions with prototypes, but created for functions + without prototypes. */ +#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE) + +/* Record parser information about an expression that is irrelevant + for code generation alongside a tree representing its value. */ +struct c_expr +{ + /* The value of the expression. */ + tree value; + /* Record the original binary operator of an expression, which may + have been changed by fold, STRING_CST for unparenthesized string + constants, or ERROR_MARK for other expressions (including + parenthesized expressions). */ + enum tree_code original_code; +}; + +/* A kind of type specifier. Note that this information is currently + only used to distinguish tag definitions, tag references and typeof + uses. */ +enum c_typespec_kind { + /* A reserved keyword type specifier. */ + ctsk_resword, + /* A reference to a tag, previously declared, such as "struct foo". + This includes where the previous declaration was as a different + kind of tag, in which case this is only valid if shadowing that + tag in an inner scope. */ + ctsk_tagref, + /* A reference to a tag, not previously declared in a visible + scope. */ + ctsk_tagfirstref, + /* A definition of a tag such as "struct foo { int a; }". */ + ctsk_tagdef, + /* A typedef name. */ + ctsk_typedef, + /* An ObjC-specific kind of type specifier. */ + ctsk_objc, + /* A typeof specifier. */ + ctsk_typeof +}; + +/* A type specifier: this structure is created in the parser and + passed to declspecs_add_type only. */ +struct c_typespec { + /* What kind of type specifier this is. */ + enum c_typespec_kind kind; + /* The specifier itself. */ + tree spec; +}; + +/* A storage class specifier. */ +enum c_storage_class { + csc_none, + csc_auto, + csc_extern, + csc_register, + csc_static, + csc_typedef +}; + +/* A type specifier keyword "void", "_Bool", "char", "int", "float", + "double", or none of these. */ +enum c_typespec_keyword { + cts_none, + cts_void, + cts_bool, + cts_char, + cts_int, + cts_float, + cts_double, + cts_dfloat32, + cts_dfloat64, + cts_dfloat128 +}; + +/* A sequence of declaration specifiers in C. */ +struct c_declspecs { + /* The type specified, if a single type specifier such as a struct, + union or enum specifier, typedef name or typeof specifies the + whole type, or NULL_TREE if none or a keyword such as "void" or + "char" is used. Does not include qualifiers. */ + tree type; + /* The attributes from a typedef decl. */ + tree decl_attr; + /* When parsing, the attributes. Outside the parser, this will be + NULL; attributes (possibly from multiple lists) will be passed + separately. */ + tree attrs; + /* Any type specifier keyword used such as "int", not reflecting + modifiers such as "short", or cts_none if none. */ + enum c_typespec_keyword typespec_word; + /* The storage class specifier, or csc_none if none. */ + enum c_storage_class storage_class; + /* Whether any declaration specifiers have been seen at all. */ + BOOL_BITFIELD declspecs_seen_p : 1; + /* Whether a type specifier has been seen. */ + BOOL_BITFIELD type_seen_p : 1; + /* Whether something other than a storage class specifier or + attribute has been seen. This is used to warn for the + obsolescent usage of storage class specifiers other than at the + start of the list. (Doing this properly would require function + specifiers to be handled separately from storage class + specifiers.) */ + BOOL_BITFIELD non_sc_seen_p : 1; + /* Whether the type is specified by a typedef or typeof name. */ + BOOL_BITFIELD typedef_p : 1; + /* Whether a struct, union or enum type either had its content + defined by a type specifier in the list or was the first visible + declaration of its tag. */ + BOOL_BITFIELD tag_defined_p : 1; + /* Whether the type is explicitly "signed" or specified by a typedef + whose type is explicitly "signed". */ + BOOL_BITFIELD explicit_signed_p : 1; + /* Whether the specifiers include a deprecated typedef. */ + BOOL_BITFIELD deprecated_p : 1; + /* APPLE LOCAL begin "unavailable" attribute (radar 2809697) */ + /* Whether the specifiers include a unavailable typedef. */ + BOOL_BITFIELD unavailable_p : 1; + /* APPLE LOCAL end "unavailable" attribute (radar 2809697) */ + /* APPLE LOCAL begin private extern */ + /* Whether the specifiers include __private_extern. */ + BOOL_BITFIELD private_extern_p : 1; + /* APPLE LOCAL end private extern */ + /* APPLE LOCAL CW asm blocks */ + BOOL_BITFIELD iasm_asm_specbit : 1; + /* Whether the type defaulted to "int" because there were no type + specifiers. */ + BOOL_BITFIELD default_int_p; + /* Whether "long" was specified. */ + BOOL_BITFIELD long_p : 1; + /* Whether "long" was specified more than once. */ + BOOL_BITFIELD long_long_p : 1; + /* Whether "short" was specified. */ + BOOL_BITFIELD short_p : 1; + /* Whether "signed" was specified. */ + BOOL_BITFIELD signed_p : 1; + /* Whether "unsigned" was specified. */ + BOOL_BITFIELD unsigned_p : 1; + /* Whether "complex" was specified. */ + BOOL_BITFIELD complex_p : 1; + /* Whether "inline" was specified. */ + BOOL_BITFIELD inline_p : 1; + /* Whether "__thread" was specified. */ + BOOL_BITFIELD thread_p : 1; + /* Whether "const" was specified. */ + BOOL_BITFIELD const_p : 1; + /* Whether "volatile" was specified. */ + BOOL_BITFIELD volatile_p : 1; + /* Whether "restrict" was specified. */ + BOOL_BITFIELD restrict_p : 1; +}; + +/* The various kinds of declarators in C. */ +enum c_declarator_kind { + /* An identifier. */ + cdk_id, + /* A function. */ + cdk_function, + /* An array. */ + cdk_array, + /* A pointer. */ + cdk_pointer, + /* APPLE LOCAL blocks (C++ ch) */ + cdk_block_pointer, + /* Parenthesized declarator with nested attributes. */ + cdk_attrs +}; + +/* Information about the parameters in a function declarator. */ +struct c_arg_info { + /* A list of parameter decls. */ + tree parms; + /* A list of structure, union and enum tags defined. */ + tree tags; + /* A list of argument types to go in the FUNCTION_TYPE. */ + tree types; + /* A list of non-parameter decls (notably enumeration constants) + defined with the parameters. */ + tree others; + /* A list of VLA sizes from the parameters. In a function + definition, these are used to ensure that side-effects in sizes + of arrays converted to pointers (such as a parameter int i[n++]) + take place; otherwise, they are ignored. */ + tree pending_sizes; + /* True when these arguments had [*]. */ + BOOL_BITFIELD had_vla_unspec : 1; +}; + +/* A declarator. */ +struct c_declarator { + /* The kind of declarator. */ + enum c_declarator_kind kind; + /* Except for cdk_id, the contained declarator. For cdk_id, NULL. */ + struct c_declarator *declarator; + location_t id_loc; /* Currently only set for cdk_id. */ + union { + /* For identifiers, an IDENTIFIER_NODE or NULL_TREE if an abstract + declarator. */ + tree id; + /* For functions. */ + struct c_arg_info *arg_info; + /* For arrays. */ + struct { + /* The array dimension, or NULL for [] and [*]. */ + tree dimen; + /* The qualifiers inside []. */ + int quals; + /* The attributes (currently ignored) inside []. */ + tree attrs; + /* Whether [static] was used. */ + BOOL_BITFIELD static_p : 1; + /* Whether [*] was used. */ + BOOL_BITFIELD vla_unspec_p : 1; + } array; + /* For pointers, the qualifiers on the pointer type. */ + int pointer_quals; + /* For attributes. */ + tree attrs; + } u; +}; + +/* A type name. */ +struct c_type_name { + /* The declaration specifiers. */ + struct c_declspecs *specs; + /* The declarator. */ + struct c_declarator *declarator; +}; + +/* A parameter. */ +struct c_parm { + /* The declaration specifiers, minus any prefix attributes. */ + struct c_declspecs *specs; + /* The attributes. */ + tree attrs; + /* The declarator. */ + struct c_declarator *declarator; +}; + +/* Save and restore the variables in this file and elsewhere + that keep track of the progress of compilation of the current function. + Used for nested functions. */ + +struct language_function GTY(()) +{ + struct c_language_function base; + tree x_break_label; + tree x_cont_label; + struct c_switch * GTY((skip)) x_switch_stack; + struct c_arg_info * GTY((skip)) arg_info; + int returns_value; + int returns_null; + int returns_abnormally; + int warn_about_return_type; +/* APPLE LOCAL begin mainline 4.3 2006-10-31 4134307 */ +/* APPLE LOCAL end mainline 4.3 2006-10-31 4134307 */ +}; + +/* Save lists of labels used or defined in particular contexts. + Allocated on the parser obstack. */ + +struct c_label_list +{ + /* The label at the head of the list. */ + tree label; + /* The rest of the list. */ + struct c_label_list *next; +}; + +/* Statement expression context. */ + +struct c_label_context_se +{ + /* The labels defined at this level of nesting. */ + struct c_label_list *labels_def; + /* The labels used at this level of nesting. */ + struct c_label_list *labels_used; + /* The next outermost context. */ + struct c_label_context_se *next; +}; + +/* Context of variably modified declarations. */ + +struct c_label_context_vm +{ + /* The labels defined at this level of nesting. */ + struct c_label_list *labels_def; + /* The labels used at this level of nesting. */ + struct c_label_list *labels_used; + /* The scope of this context. Multiple contexts may be at the same + numbered scope, since each variably modified declaration starts a + new context. */ + unsigned scope; + /* The next outermost context. */ + struct c_label_context_vm *next; +}; + + +/* in c-parser.c */ +extern void c_parse_init (void); + +/* in c-aux-info.c */ +extern void gen_aux_info_record (tree, int, int, int); + +/* in c-decl.c */ +extern struct obstack parser_obstack; +extern tree c_break_label; +extern tree c_cont_label; + +extern int global_bindings_p (void); +extern void push_scope (void); +extern tree pop_scope (void); +extern void insert_block (tree); +extern void c_expand_body (tree); + +extern void c_init_decl_processing (void); +extern void c_dup_lang_specific_decl (tree); +extern void c_print_identifier (FILE *, tree, int); +extern int quals_from_declspecs (const struct c_declspecs *); +extern struct c_declarator *build_array_declarator (tree, struct c_declspecs *, + bool, bool); +extern tree build_enumerator (tree, tree); +extern tree check_for_loop_decls (void); +extern void mark_forward_parm_decls (void); +extern void declare_parm_level (void); +extern void undeclared_variable (tree, location_t); +extern tree declare_label (tree); +extern tree define_label (location_t, tree); +extern void c_maybe_initialize_eh (void); +extern void finish_decl (tree, tree, tree); +extern tree finish_enum (tree, tree, tree); +extern void finish_function (void); +extern tree finish_struct (tree, tree, tree); +extern struct c_arg_info *get_parm_info (bool); +extern tree grokfield (struct c_declarator *, struct c_declspecs *, tree); +extern tree groktypename (struct c_type_name *); +/* APPLE LOCAL blocks 6339747 */ +extern tree grokblockdecl (struct c_declspecs *, struct c_declarator *); +extern tree grokparm (const struct c_parm *); +extern tree implicitly_declare (tree); +extern void keep_next_level (void); +extern void pending_xref_error (void); +extern void c_push_function_context (struct function *); +extern void c_pop_function_context (struct function *); +extern void push_parm_decl (const struct c_parm *); +extern struct c_declarator *set_array_declarator_inner (struct c_declarator *, + struct c_declarator *, + bool); +extern tree builtin_function (const char *, tree, int, enum built_in_class, + const char *, tree); +extern void shadow_tag (const struct c_declspecs *); +extern void shadow_tag_warned (const struct c_declspecs *, int); +extern tree start_enum (tree); +extern int start_function (struct c_declspecs *, struct c_declarator *, tree); +extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool, + tree); +extern tree start_struct (enum tree_code, tree); +extern void store_parm_decls (void); +extern void store_parm_decls_from (struct c_arg_info *); +extern tree xref_tag (enum tree_code, tree); +extern struct c_typespec parser_xref_tag (enum tree_code, tree); +extern int c_expand_decl (tree); +extern struct c_parm *build_c_parm (struct c_declspecs *, tree, + struct c_declarator *); +extern struct c_declarator *build_attrs_declarator (tree, + struct c_declarator *); +extern struct c_declarator *build_function_declarator (struct c_arg_info *, + struct c_declarator *); +extern struct c_declarator *build_id_declarator (tree); +extern struct c_declarator *make_pointer_declarator (struct c_declspecs *, + struct c_declarator *); +/* APPLE LOCAL begin radar 5814025 - blocks (C++ cg) */ +extern struct c_declarator *make_block_pointer_declarator (struct c_declspecs *, + struct c_declarator *); +/* APPLE LOCAL end radar 5814025 - blocks (C++ cg) */ +extern struct c_declspecs *build_null_declspecs (void); +extern struct c_declspecs *declspecs_add_qual (struct c_declspecs *, tree); +extern struct c_declspecs *declspecs_add_type (struct c_declspecs *, + struct c_typespec); +extern struct c_declspecs *declspecs_add_scspec (struct c_declspecs *, tree); +extern struct c_declspecs *declspecs_add_attrs (struct c_declspecs *, tree); +extern struct c_declspecs *finish_declspecs (struct c_declspecs *); + +/* in c-objc-common.c */ +extern int c_disregard_inline_limits (tree); +extern int c_cannot_inline_tree_fn (tree *); +extern bool c_objc_common_init (void); +extern bool c_missing_noreturn_ok_p (tree); +extern tree c_objc_common_truthvalue_conversion (tree expr); +extern bool c_warn_unused_global_decl (tree); +extern void c_initialize_diagnostics (diagnostic_context *); +extern bool c_vla_unspec_p (tree x, tree fn); + +#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ + c_build_qualified_type ((TYPE), \ + ((CONST_P) ? TYPE_QUAL_CONST : 0) | \ + ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) + +/* in c-typeck.c */ +extern int in_alignof; +extern int in_sizeof; +extern int in_typeof; + +extern struct c_switch *c_switch_stack; +extern struct c_label_context_se *label_context_stack_se; +extern struct c_label_context_vm *label_context_stack_vm; + +extern tree require_complete_type (tree); +extern int same_translation_unit_p (tree, tree); +extern int comptypes (tree, tree); +extern bool c_vla_type_p (tree); +extern bool c_mark_addressable (tree); +extern void c_incomplete_type_error (tree, tree); +extern tree c_type_promotes_to (tree); +extern struct c_expr default_function_array_conversion (struct c_expr); +extern tree composite_type (tree, tree); +extern tree build_component_ref (tree, tree); +extern tree build_array_ref (tree, tree); +extern tree build_external_ref (tree, int, location_t); +extern void pop_maybe_used (bool); +extern struct c_expr c_expr_sizeof_expr (struct c_expr); +extern struct c_expr c_expr_sizeof_type (struct c_type_name *); +extern struct c_expr parser_build_unary_op (enum tree_code, struct c_expr); +extern struct c_expr parser_build_binary_op (enum tree_code, struct c_expr, + struct c_expr); +extern tree build_conditional_expr (tree, tree, tree); +extern tree build_compound_expr (tree, tree); +extern tree c_cast_expr (struct c_type_name *, tree); +extern tree build_c_cast (tree, tree); +extern void store_init_value (tree, tree); +extern void error_init (const char *); +extern void pedwarn_init (const char *); +extern void maybe_warn_string_init (tree, struct c_expr); +extern void start_init (tree, tree, int); +extern void finish_init (void); +extern void really_start_incremental_init (tree); +extern void push_init_level (int); +extern struct c_expr pop_init_level (int); +extern void set_init_index (tree, tree); +extern void set_init_label (tree); +extern void process_init_element (struct c_expr); +extern tree build_compound_literal (tree, tree); +extern tree c_start_case (tree); +extern void c_finish_case (tree); +extern tree build_asm_expr (tree, tree, tree, tree, bool); +extern tree build_asm_stmt (tree, tree); +extern tree c_convert_parm_for_inlining (tree, tree, tree, int); +extern int c_types_compatible_p (tree, tree); +extern tree c_begin_compound_stmt (bool); +extern tree c_end_compound_stmt (tree, bool); +extern void c_finish_if_stmt (location_t, tree, tree, tree, bool); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ +extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, tree, + bool); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ +extern tree c_begin_stmt_expr (void); +extern tree c_finish_stmt_expr (tree); +extern tree c_process_expr_stmt (tree); +extern tree c_finish_expr_stmt (tree); +extern tree c_finish_return (tree); +extern tree c_finish_bc_stmt (tree *, bool); +extern tree c_finish_goto_label (tree); +extern tree c_finish_goto_ptr (tree); +extern void c_begin_vm_scope (unsigned int); +extern void c_end_vm_scope (unsigned int); +extern tree c_expr_to_decl (tree, bool *, bool *, bool *); +extern tree c_begin_omp_parallel (void); +extern tree c_finish_omp_parallel (tree, tree); +extern tree c_finish_omp_clauses (tree); + +/* APPLE LOCAL begin CW asm blocks */ +extern tree get_structure_offset (tree, tree); +extern tree lookup_struct_or_union_tag (tree); +/* APPLE LOCAL end CW asm blocks */ + +/* Set to 0 at beginning of a function definition, set to 1 if + a return statement that specifies a return value is seen. */ + +extern int current_function_returns_value; + +/* Set to 0 at beginning of a function definition, set to 1 if + a return statement with no argument is seen. */ + +extern int current_function_returns_null; + +/* Set to 0 at beginning of a function definition, set to 1 if + a call to a noreturn function is seen. */ + +extern int current_function_returns_abnormally; + +/* Nonzero means we are reading code that came from a system header file. */ + +extern int system_header_p; + +/* True means global_bindings_p should return false even if the scope stack + says we are in file scope. */ + +extern bool c_override_global_bindings_to_false; + +/* True means we've initialized exception handling. */ +extern bool c_eh_initialized_p; + +/* In c-decl.c */ +extern void c_finish_incomplete_decl (tree); +extern void c_write_global_declarations (void); + +/* APPLE LOCAL radar 5741070 */ +extern tree c_return_interface_record_type (tree); +/* In order for the format checking to accept the C frontend + diagnostic framework extensions, you must include this file before + toplev.h, not after. */ +#if GCC_VERSION >= 4001 +#define ATTRIBUTE_GCC_CDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m ,n))) ATTRIBUTE_NONNULL(m) +#else +#define ATTRIBUTE_GCC_CDIAG(m, n) ATTRIBUTE_NONNULL(m) +#endif + +extern void pedwarn_c90 (const char *, ...) ATTRIBUTE_GCC_CDIAG(1,2); +extern void pedwarn_c99 (const char *, ...) ATTRIBUTE_GCC_CDIAG(1,2); + +#endif /* ! GCC_C_TREE_H */ |