/* Definitions for c-common.c.
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.
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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_C_COMMON_H
#define GCC_C_COMMON_H
RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT,
/* C extensions */
- RID_COMPLEX, RID_THREAD,
+ RID_COMPLEX, RID_THREAD, RID_SAT,
/* C++ */
RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE,
RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR,
RID_TYPES_COMPATIBLE_P,
RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128,
+ RID_FRACT, RID_ACCUM,
/* Too many ways of getting the name of a function as a string */
RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME,
RID_PUBLIC, RID_PRIVATE, RID_PROTECTED,
RID_TEMPLATE, RID_NULL, RID_CATCH,
RID_DELETE, RID_FALSE, RID_NAMESPACE,
- RID_NEW, RID_OFFSETOF, RID_OPERATOR,
- RID_THIS, RID_THROW, RID_TRUE,
- RID_TRY, RID_TYPENAME, RID_TYPEID,
+ RID_NEW, RID_OFFSETOF, RID_OPERATOR,
+ RID_THIS, RID_THROW, RID_TRUE,
+ RID_TRY, RID_TYPENAME, RID_TYPEID,
RID_USING,
/* casts */
RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST,
+ /* C++ extensions */
+ RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR,
+ RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN,
+ RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY,
+ RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR,
+ RID_IS_ABSTRACT, RID_IS_BASE_OF,
+ RID_IS_CONVERTIBLE_TO, RID_IS_CLASS,
+ RID_IS_EMPTY, RID_IS_ENUM,
+ RID_IS_POD, RID_IS_POLYMORPHIC,
+ RID_IS_UNION,
+
+ /* C++0x */
+ RID_STATIC_ASSERT, RID_DECLTYPE,
+
/* Objective-C */
RID_AT_ENCODE, RID_AT_END,
RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS,
RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC,
- RID_AT_PROTOCOL, RID_AT_SELECTOR,
+ RID_AT_PROTOCOL, RID_AT_SELECTOR,
RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH,
RID_AT_FINALLY, RID_AT_SYNCHRONIZED,
RID_AT_INTERFACE,
RID_FIRST_MODIFIER = RID_STATIC,
RID_LAST_MODIFIER = RID_ONEWAY,
+ RID_FIRST_CXX0X = RID_STATIC_ASSERT,
+ RID_LAST_CXX0X = RID_DECLTYPE,
RID_FIRST_AT = RID_AT_ENCODE,
RID_LAST_AT = RID_AT_IMPLEMENTATION,
RID_FIRST_PQ = RID_IN,
CTI_PRETTY_FUNCTION_NAME_DECL,
CTI_C99_FUNCTION_NAME_DECL,
CTI_SAVED_FUNCTION_NAME_DECLS,
-
+
CTI_VOID_ZERO,
CTI_NULL,
#define c_dialect_cxx() (c_language & clk_cxx)
#define c_dialect_objc() (c_language & clk_objc)
+extern bool lang_fortran;
+
/* Information about a statement tree. */
struct stmt_tree_s GTY(()) {
/* Language-specific hooks. */
-/* Callback that determines if it's ok for a function to have no
- noreturn attribute. */
-extern int (*lang_missing_noreturn_ok_p) (tree);
-
/* If non-NULL, this function is called after a precompile header file
is loaded. */
extern void (*lang_post_pch_load) (void);
extern void push_file_scope (void);
extern void pop_file_scope (void);
-extern int yyparse (void);
extern stmt_tree current_stmt_tree (void);
extern tree push_stmt_list (void);
extern tree pop_stmt_list (tree);
extern int c_expand_decl (tree);
extern int field_decl_cmp (const void *, const void *);
-extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
- void *);
-extern bool has_c_linkage (tree decl);
+extern void resort_sorted_fields (void *, void *, gt_pointer_operator,
+ void *);
+extern bool has_c_linkage (const_tree decl);
\f
/* Switches common to the C front ends. */
extern int flag_short_wchar;
+/* Nonzero means allow implicit conversions between vectors with
+ differing numbers of subparts and/or differing element types. */
+extern int flag_lax_vector_conversions;
+
/* Nonzero means allow Microsoft extensions without warnings or errors. */
extern int flag_ms_extensions;
extern int flag_signed_bitfields;
-/* Warn about #pragma directives that are not recognized. */
+/* Warn about #pragma directives that are not recognized. */
-extern int warn_unknown_pragmas; /* Tri state variable. */
+extern int warn_unknown_pragmas; /* Tri state variable. */
/* Warn about format/argument anomalies in calls to formatted I/O functions
(*printf, *scanf, strftime, strfmon, etc.). */
extern int flag_check_new;
+/* The supported C++ dialects. */
+
+enum cxx_dialect {
+ /* C++98 */
+ cxx98,
+ /* Experimental features that are likely to become part of
+ C++0x. */
+ cxx0x
+};
+
+/* The C++ dialect being used. C++98 is the default. */
+extern enum cxx_dialect cxx_dialect;
+
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
initialization variables.
0: Old rules, set by -fno-for-scope.
extern const char *fname_as_string (int);
extern tree fname_decl (unsigned, tree);
-extern void check_function_arguments (tree, tree, tree);
+extern void check_function_arguments (tree, int, tree *, tree);
extern void check_function_arguments_recurse (void (*)
(void *, tree,
unsigned HOST_WIDE_INT),
void *, tree,
unsigned HOST_WIDE_INT);
-extern void check_function_format (tree, tree);
+extern void check_function_format (tree, int, tree *);
extern void set_Wformat (int);
extern tree handle_format_attribute (tree *, tree, tree, int, bool *);
extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);
extern bool c_common_missing_argument (const char *opt, size_t code);
extern tree c_common_type_for_mode (enum machine_mode, int);
extern tree c_common_type_for_size (unsigned int, int);
+extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int,
+ int, int);
extern tree c_common_unsigned_type (tree);
extern tree c_common_signed_type (tree);
extern tree c_common_signed_or_unsigned_type (int, tree);
extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int);
+extern bool decl_with_nonnull_addr_p (const_tree);
extern tree c_common_truthvalue_conversion (tree);
extern void c_apply_type_quals_to_decl (int, tree);
extern tree c_sizeof_or_alignof_type (tree, bool, int);
extern tree c_alignof_expr (tree);
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
-extern void binary_op_error (enum tree_code);
+extern void binary_op_error (enum tree_code, tree, tree);
extern tree fix_string_type (tree);
struct varray_head_tag;
extern void constant_expression_warning (tree);
-extern void strict_aliasing_warning(tree, tree, tree);
-extern void empty_body_warning (tree, tree);
+extern bool strict_aliasing_warning (tree, tree, tree);
+extern void empty_if_body_warning (tree, tree);
+extern void warnings_for_convert_and_check (tree, tree, tree);
extern tree convert_and_check (tree, tree);
extern void overflow_warning (tree);
+extern void warn_logical_operator (enum tree_code, tree, tree);
+extern void check_main_parameter_types (tree decl);
extern bool c_determine_visibility (tree);
extern bool same_scalar_type_ignoring_signedness (tree, tree);
extern bool c_common_init (void);
extern void c_common_finish (void);
extern void c_common_parse_file (int);
-extern HOST_WIDE_INT c_common_get_alias_set (tree);
+extern alias_set_type c_common_get_alias_set (tree);
extern void c_register_builtin_type (tree, const char*);
-extern bool c_promoting_integer_type_p (tree);
-extern int self_promoting_args_p (tree);
+extern bool c_promoting_integer_type_p (const_tree);
+extern int self_promoting_args_p (const_tree);
extern tree strip_array_types (tree);
extern tree strip_pointer_operator (tree);
+extern tree strip_pointer_or_array_types (tree);
extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT);
/* This is the basic parsing function. */
#undef DEFTREECODE
-extern int anon_aggr_type_p (tree);
+extern int anon_aggr_type_p (const_tree);
/* For a VAR_DECL that is an anonymous union, these are the various
sub-variables that make up the anonymous union. */
extern tree build_binary_op (enum tree_code, tree, tree, int);
extern tree perform_integral_promotions (tree);
+/* These functions must be defined by each front-end which implements
+ a variant of the C language. They are used by port files. */
+
+extern tree default_conversion (tree);
+
/* Given two integer or real types, return the type for their sum.
Given two compatible ANSI C types, returns the merged type. */
extern tree lookup_label (tree);
extern tree lookup_name (tree);
-extern int vector_types_convertible_p (tree t1, tree t2);
+extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note);
extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
extern void verify_sequence_points (tree);
-extern tree fold_offsetof (tree);
+extern tree fold_offsetof (tree, tree);
/* Places where an lvalue, or modifiable lvalue, may be required.
Used to select diagnostic messages in lvalue_error and
extern tree builtin_type_for_size (int, bool);
extern void warn_array_subscript_with_type_char (tree);
+extern void warn_about_parentheses (enum tree_code, enum tree_code,
+ enum tree_code);
+extern void warn_for_unused_label (tree label);
+extern void warn_for_div_by_zero (tree divisor);
+
/* In c-gimplify.c */
extern void c_genericize (tree);
extern tree c_finish_omp_critical (tree, tree);
extern tree c_finish_omp_ordered (tree);
extern void c_finish_omp_barrier (void);
-extern void c_finish_omp_atomic (enum tree_code, tree, tree);
+extern tree c_finish_omp_atomic (enum tree_code, tree, tree);
extern void c_finish_omp_flush (void);
extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree);
extern void c_split_parallel_clauses (tree, tree *, tree *);
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