/* 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.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GCC.
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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+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
#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*). */
cts_char,
cts_int,
cts_float,
- cts_double
+ cts_double,
+ cts_dfloat32,
+ cts_dfloat64,
+ cts_dfloat128
};
/* A sequence of declaration specifiers in C. */
/* 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. */
int returns_null;
int returns_abnormally;
int warn_about_return_type;
- int extern_inline;
};
/* Save lists of labels used or defined in particular contexts.
struct c_label_context_vm *next;
};
+/* Used when parsing an enum. Initialized by start_enum. */
+struct c_enum_contents
+{
+ /* While defining an enum type, this is 1 plus the last enumerator
+ constant value. */
+ tree enum_next_value;
+
+ /* Nonzero means that there was overflow computing enum_next_value. */
+ int enum_overflow;
+};
+
\f
/* in c-parser.c */
extern void c_parse_init (void);
extern void push_scope (void);
extern tree pop_scope (void);
extern void insert_block (tree);
-extern tree pushdecl (tree);
-extern void c_expand_body (tree);
extern void c_init_decl_processing (void);
extern void c_dup_lang_specific_decl (tree);
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 void check_for_loop_decls (void);
+extern tree build_enumerator (struct c_enum_contents *, 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 grokparm (const struct c_parm *);
extern tree implicitly_declare (tree);
extern void keep_next_level (void);
-extern tree lookup_name (tree);
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 tree pushdecl_top_level (tree);
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 tree c_builtin_function (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 tree start_enum (struct c_enum_contents *, 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 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), \
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 tree default_conversion (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_indirect_ref (tree, const char *);
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 tree build_modify_expr (tree, enum tree_code, tree);
extern void store_init_value (tree, tree);
extern void error_init (const char *);
extern void pedwarn_init (const char *);
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);
/* Set to 0 at beginning of a function definition, set to 1 if
a return statement that specifies a return value is seen. */
/* In order for the format checking to accept the C frontend
diagnostic framework extensions, you must include this file before
toplev.h, not after. */
-#define GCC_DIAG_STYLE __gcc_cdiag__
-#if GCC_VERSION >= 3005
+#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)
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