X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-common.h;h=dc5da719c9b6bf3a26467e059fcc6314a508a2e0;hb=a41d0b5e1a4424ed7a8635c715cb422148d8ce8f;hp=000936969a38d603177eab4f3002145aff6a2f88;hpb=e014fc6a6fa7fa85994ce6484985ea16f3e46cbd;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/c-common.h b/gcc/c-common.h index 000936969a3..dc5da719c9b 100644 --- a/gcc/c-common.h +++ b/gcc/c-common.h @@ -74,6 +74,10 @@ enum rid RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, RID_FRACT, RID_ACCUM, + /* This means to warn that this is a C++ keyword, and then treat it + as a normal identifier. */ + RID_CXX_COMPAT_WARN, + /* Too many ways of getting the name of a function as a string */ RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, @@ -184,7 +188,12 @@ enum c_tree_index CTI_MAX }; -#define C_RID_CODE(id) (((struct c_common_identifier *) (id))->node.rid_code) +#define C_CPP_HASHNODE(id) \ + (&(((struct c_common_identifier *) (id))->node)) +#define C_RID_CODE(id) \ + ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) +#define C_SET_RID_CODE(id, code) \ + (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) /* Identifier part common to the C front ends. Inherits from tree_identifier, despite appearances. */ @@ -194,6 +203,36 @@ struct c_common_identifier GTY(()) struct cpp_hashnode node; }; +/* An entry in the reserved keyword table. */ + +struct c_common_resword +{ + const char *const word; + ENUM_BITFIELD(rid) const rid : 16; + const unsigned int disable : 16; +}; + +/* Disable mask. Keywords are disabled if (reswords[i].disable & + mask) is _true_. Thus for keywords which are present in all + languages the disable field is zero. */ + +#define D_CONLY 0x001 /* C only (not in C++). */ +#define D_CXXONLY 0x002 /* C++ only (not in C). */ +#define D_C99 0x004 /* In C, C99 only. */ +#define D_CXX0X 0x008 /* In C++, C++0X only. */ +#define D_EXT 0x010 /* GCC extension. */ +#define D_EXT89 0x020 /* GCC extension incorporated in C99. */ +#define D_ASM 0x040 /* Disabled by -fno-asm. */ +#define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ +#define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ +#define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ + +/* The reserved keyword table. */ +extern const struct c_common_resword c_common_reswords[]; + +/* The number of items in the reserved keyword table. */ +extern const unsigned int num_c_common_reswords; + #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] @@ -317,8 +356,8 @@ extern tree add_stmt (tree); extern void push_cleanup (tree, tree, bool); extern tree pushdecl_top_level (tree); extern tree pushdecl (tree); -extern tree build_modify_expr (tree, enum tree_code, tree); -extern tree build_indirect_ref (tree, const char *); +extern tree build_modify_expr (location_t, tree, enum tree_code, tree); +extern tree build_indirect_ref (location_t, tree, const char *); extern int c_expand_decl (tree); @@ -459,11 +498,6 @@ extern int flag_isoc99; extern int flag_hosted; -/* Warn if main is suspicious. */ - -extern int warn_main; - - /* ObjC language option variables. */ @@ -656,7 +690,7 @@ extern tree build_void_list_node (void); extern void start_fname_decls (void); extern void finish_fname_decls (void); extern const char *fname_as_string (int); -extern tree fname_decl (unsigned, tree); +extern tree fname_decl (location_t, unsigned, tree); extern void check_function_arguments (tree, int, tree *, tree); extern void check_function_arguments_recurse (void (*) @@ -680,19 +714,18 @@ 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 tree c_common_truthvalue_conversion (location_t, 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, tree, tree); +extern void binary_op_error (location_t, enum tree_code, tree, tree); extern tree fix_string_type (tree); struct varray_head_tag; extern void constant_expression_warning (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); @@ -704,13 +737,15 @@ extern bool same_scalar_type_ignoring_signedness (tree, tree); #define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1) #define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1) +/* Subroutine of build_binary_op, used for certain operations. */ +extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); + /* Subroutine of build_binary_op, used for comparison operations. See if the operands have both been converted from subword integer types and, if so, perhaps change them both back to their original type. */ extern tree shorten_compare (tree *, tree *, tree *, enum tree_code *); extern tree pointer_int_sum (enum tree_code, tree, tree); -extern unsigned int min_precision (tree, int); /* Add qualifiers to a type, in the fashion for C. */ extern tree c_build_qualified_type (tree, int); @@ -763,12 +798,6 @@ extern void finish_file (void); #define COMPOUND_LITERAL_EXPR_DECL(NODE) \ DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) -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. */ -#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE)) - /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ #define DECL_C_BIT_FIELD(NODE) \ (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) @@ -785,8 +814,8 @@ extern tree build_case_label (tree, tree, tree); /* These functions must be defined by each front-end which implements a variant of the C language. They are used in c-common.c. */ -extern tree build_unary_op (enum tree_code, tree, int); -extern tree build_binary_op (enum tree_code, tree, tree, int); +extern tree build_unary_op (location_t, enum tree_code, tree, int); +extern tree build_binary_op (location_t, enum tree_code, tree, tree, int); extern tree perform_integral_promotions (tree); /* These functions must be defined by each front-end which implements @@ -814,13 +843,14 @@ extern tree build_function_call (tree, tree); extern tree resolve_overloaded_builtin (tree, tree); -extern tree finish_label_address_expr (tree); +extern tree finish_label_address_expr (tree, location_t); /* Same function prototype, but the C and C++ front ends have different implementations. Used in c-common.c. */ extern tree lookup_label (tree); extern tree lookup_name (tree); +extern bool vector_targets_convertible_p (const_tree t1, const_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 *); @@ -830,6 +860,7 @@ extern tree c_staticp (tree); extern void init_c_lex (void); extern void c_cpp_builtins (cpp_reader *); +extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); /* Positive if an implicit `extern "C"' scope has just been entered; negative if such a scope has just been exited. */ @@ -856,7 +887,7 @@ extern void dump_time_statistics (void); extern bool c_dump_tree (void *, tree); -extern void c_warn_unused_result (tree *); +extern void c_warn_unused_result (gimple_seq); extern void verify_sequence_points (tree); @@ -880,15 +911,20 @@ 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_about_parentheses (enum tree_code, + enum tree_code, tree, + enum tree_code, tree); extern void warn_for_unused_label (tree label); -extern void warn_for_div_by_zero (tree divisor); - +extern void warn_for_div_by_zero (location_t, tree divisor); +extern void warn_for_sign_compare (location_t, + tree orig_op0, tree orig_op1, + tree op0, tree op1, + tree result_type, + enum tree_code resultcode); /* In c-gimplify.c */ extern void c_genericize (tree); -extern int c_gimplify_expr (tree *, tree *, tree *); +extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); extern tree c_build_bind_expr (tree, tree); /* In c-pch.c */ @@ -904,6 +940,8 @@ extern void c_common_print_pch_checksum (FILE *f); /* In *-checksum.c */ extern const unsigned char executable_checksum[16]; +/* In c-cppbuiltin.c */ +extern void builtin_define_std (const char *macro); extern void builtin_define_with_value (const char *, const char *, int); extern void c_stddef_cpp_builtins (void); extern void fe_file_change (const struct line_map *);