X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-common.h;h=10933e9dd82f12f8be745a5bfb87ff71f8740993;hb=d5b52ebcb904321cccc7b7f63d61c584b046ce3e;hp=6da433c6524146ccd72e74e4fc7d4ade902ef25f;hpb=1e8e992020adfba209ef30b3c369e2ca6282d837;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/c-common.h b/gcc/c-common.h index 6da433c6524..10933e9dd82 100644 --- a/gcc/c-common.h +++ b/gcc/c-common.h @@ -1,12 +1,12 @@ /* 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 @@ -15,9 +15,8 @@ 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. */ +along with GCC; see the file COPYING3. If not see +. */ #ifndef GCC_C_COMMON_H #define GCC_C_COMMON_H @@ -53,7 +52,7 @@ enum rid 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, @@ -73,6 +72,7 @@ enum rid 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, @@ -82,19 +82,33 @@ enum rid 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, @@ -105,6 +119,8 @@ enum rid 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, @@ -156,7 +172,7 @@ enum c_tree_index CTI_PRETTY_FUNCTION_NAME_DECL, CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS, - + CTI_VOID_ZERO, CTI_NULL, @@ -238,6 +254,8 @@ extern c_language_kind c_language; #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(()) { @@ -280,17 +298,12 @@ struct c_language_function 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); @@ -304,9 +317,9 @@ extern tree build_indirect_ref (tree, const char *); 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); /* Switches common to the C front ends. */ @@ -345,8 +358,8 @@ extern char flag_no_line_commands; extern char flag_no_output; -/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or - 'N' of the command line switch. */ +/* Nonzero means dump macros in some fashion; contains the 'D', 'M', + 'N' or 'U' of the command line switch. */ extern char flag_dump_macros; @@ -390,6 +403,10 @@ extern int flag_short_double; 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; @@ -406,14 +423,9 @@ extern int flag_const_strings; extern int flag_signed_bitfields; -/* Nonzero means warn about deprecated conversion from string constant to - `char *'. */ - -extern int warn_write_strings; - -/* 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.). */ @@ -527,6 +539,19 @@ extern int flag_access_control; 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. @@ -554,10 +579,10 @@ extern int flag_working_directory; extern int flag_use_cxa_atexit; -/* Nonzero means make the default pedwarns warnings instead of errors. - The value of this flag is ignored if -pedantic is specified. */ +/* Nonzero to use __cxa_get_exception_ptr in the C++ exception-handling + logic. */ -extern int flag_permissive; +extern int flag_use_cxa_get_exception_ptr; /* Nonzero means to implement standard semantics for exception specifications, calling unexpected if an exception is thrown that @@ -627,13 +652,13 @@ extern void finish_fname_decls (void); 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 *); @@ -641,23 +666,31 @@ extern int c_common_handle_option (size_t code, const char *arg, int value); 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 constant_expression_error (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 unsigned_conversion_warning (tree, 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); @@ -692,12 +725,13 @@ extern bool c_common_post_options (const char **); 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. */ @@ -733,7 +767,7 @@ enum c_tree_code { #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. */ @@ -759,6 +793,11 @@ extern tree build_unary_op (enum tree_code, tree, int); 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. */ @@ -786,7 +825,7 @@ extern tree finish_label_address_expr (tree); 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 *); @@ -825,7 +864,7 @@ extern void c_warn_unused_result (tree *); 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 @@ -845,6 +884,11 @@ extern int complete_array_type (tree *, tree, bool); 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); @@ -943,7 +987,7 @@ extern tree c_finish_omp_master (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 *);