X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fc-common.h;h=04a194597f72efa8e1d16159f72e90c42ea46845;hp=9621b05ba469be06a7531a996f4732a83c265284;hb=275b82851d330e07a41b362f051269af733db898;hpb=8e70fb09031df0afb5a38f40975bb174a8574ebd diff --git a/gcc/c-common.h b/gcc/c-common.h index 9621b05ba46..04a194597f7 100644 --- a/gcc/c-common.h +++ b/gcc/c-common.h @@ -1,6 +1,7 @@ /* Definitions for c-common.c. Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, - 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 + Free Software Foundation, Inc. This file is part of GCC. @@ -29,8 +30,10 @@ along with GCC; see the file COPYING3. If not see 0: TREE_NEGATED_INT (in INTEGER_CST). IDENTIFIER_MARKED (used by search routines). DECL_PRETTY_FUNCTION_P (in VAR_DECL) + C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) + C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) 2: unused 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) 4: unused @@ -60,6 +63,10 @@ enum rid /* ObjC */ RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, + /* C (reserved and imaginary types not implemented, so any use is a + syntax error) */ + RID_IMAGINARY, + /* C */ RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, @@ -150,8 +157,7 @@ enum c_tree_index CTI_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_WCHAR_TYPE, - CTI_SIGNED_WCHAR_TYPE, - CTI_UNSIGNED_WCHAR_TYPE, + CTI_UNDERLYING_WCHAR_TYPE, CTI_WINT_TYPE, CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ @@ -160,6 +166,36 @@ enum c_tree_index CTI_WIDEST_INT_LIT_TYPE, CTI_WIDEST_UINT_LIT_TYPE, + /* Types for , that may not be defined on all + targets. */ + CTI_SIG_ATOMIC_TYPE, + CTI_INT8_TYPE, + CTI_INT16_TYPE, + CTI_INT32_TYPE, + CTI_INT64_TYPE, + CTI_UINT8_TYPE, + CTI_UINT16_TYPE, + CTI_UINT32_TYPE, + CTI_UINT64_TYPE, + CTI_INT_LEAST8_TYPE, + CTI_INT_LEAST16_TYPE, + CTI_INT_LEAST32_TYPE, + CTI_INT_LEAST64_TYPE, + CTI_UINT_LEAST8_TYPE, + CTI_UINT_LEAST16_TYPE, + CTI_UINT_LEAST32_TYPE, + CTI_UINT_LEAST64_TYPE, + CTI_INT_FAST8_TYPE, + CTI_INT_FAST16_TYPE, + CTI_INT_FAST32_TYPE, + CTI_INT_FAST64_TYPE, + CTI_UINT_FAST8_TYPE, + CTI_UINT_FAST16_TYPE, + CTI_UINT_FAST32_TYPE, + CTI_UINT_FAST64_TYPE, + CTI_INTPTR_TYPE, + CTI_UINTPTR_TYPE, + CTI_CHAR_ARRAY_TYPE, CTI_CHAR16_ARRAY_TYPE, CTI_CHAR32_ARRAY_TYPE, @@ -197,8 +233,7 @@ enum c_tree_index /* Identifier part common to the C front ends. Inherits from tree_identifier, despite appearances. */ -struct c_common_identifier GTY(()) -{ +struct GTY(()) c_common_identifier { struct tree_common common; struct cpp_hashnode node; }; @@ -236,8 +271,7 @@ 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] -#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE] -#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE] +#define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] #define wint_type_node c_global_trees[CTI_WINT_TYPE] #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] @@ -246,6 +280,34 @@ extern const unsigned int num_c_common_reswords; #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] +#define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] +#define int8_type_node c_global_trees[CTI_INT8_TYPE] +#define int16_type_node c_global_trees[CTI_INT16_TYPE] +#define int32_type_node c_global_trees[CTI_INT32_TYPE] +#define int64_type_node c_global_trees[CTI_INT64_TYPE] +#define uint8_type_node c_global_trees[CTI_UINT8_TYPE] +#define uint16_type_node c_global_trees[CTI_UINT16_TYPE] +#define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] +#define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] +#define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] +#define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] +#define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] +#define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] +#define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] +#define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] +#define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] +#define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] +#define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] +#define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] +#define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] +#define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] +#define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] +#define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] +#define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] +#define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] +#define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] +#define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] + #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] @@ -275,8 +337,7 @@ extern GTY(()) tree c_global_trees[CTI_MAX]; /* In a RECORD_TYPE, a sorted array of the fields of the type, not a tree for size reasons. */ -struct sorted_fields_type GTY(()) -{ +struct GTY(()) sorted_fields_type { int len; tree GTY((length ("%h.len"))) elts[1]; }; @@ -303,7 +364,7 @@ extern c_language_kind c_language; /* Information about a statement tree. */ -struct stmt_tree_s GTY(()) { +struct GTY(()) stmt_tree_s { /* The current statement list being collected. */ tree x_cur_stmt_list; @@ -329,7 +390,7 @@ typedef struct stmt_tree_s *stmt_tree; /* Global state pertinent to the current function. Some C dialects extend this structure with additional fields. */ -struct c_language_function GTY(()) { +struct GTY(()) c_language_function { /* While we are parsing the function, this contains information about the statement-tree that we are building. */ struct stmt_tree_s x_stmt_tree; @@ -356,8 +417,9 @@ 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 *, location_t); +extern tree build_modify_expr (location_t, tree, tree, enum tree_code, + location_t, tree, tree); +extern tree build_indirect_ref (location_t, tree, const char *); extern int c_expand_decl (tree); @@ -636,6 +698,11 @@ extern int flag_enforce_eh_specs; extern int flag_threadsafe_statics; +/* Nonzero if we want to pretty-print template specializations as the + template signature followed by the arguments. */ + +extern int flag_pretty_templates; + /* Nonzero means warn about implicit declarations. */ extern int warn_implicit; @@ -652,10 +719,18 @@ extern int warn_strict_null_sentinel; extern int max_tinst_depth; -/* Nonzero means the expression being parsed will never be evaluated. - This is a count, since unevaluated expressions can nest. */ +/* Nonzero means that we should not issue warnings about problems that + occur when the code is executed, because the code being processed + is not expected to be executed. This is set during parsing. This + is used for cases like sizeof() and "0 ? a : b". This is a count, + not a bool, because unexecuted expressions can nest. */ + +extern int c_inhibit_evaluation_warnings; + +/* Whether lexing has been completed, so subsequent preprocessor + errors should use the compiler's input_location. */ -extern int skip_evaluation; +extern bool done_lexing; /* C types are partitioned into three subsets: object, function, and incomplete types. */ @@ -682,7 +757,7 @@ extern const struct attribute_spec c_common_format_attribute_table[]; TYPE_DEP indicates whether it depends on type of the function or not (i.e. __PRETTY_FUNCTION__). */ -extern tree (*make_fname_decl) (tree, int); +extern tree (*make_fname_decl) (location_t, tree, int); extern tree identifier_global_value (tree); extern void record_builtin_type (enum rid, const char *, tree); @@ -690,7 +765,7 @@ 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 (*) @@ -714,10 +789,13 @@ 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_fully_fold (tree, bool, bool *); +extern tree decl_constant_value_for_optimization (tree); +extern tree c_save_expr (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); +extern tree c_sizeof_or_alignof_type (location_t, tree, bool, int); +extern tree c_alignof_expr (location_t, 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 (location_t, enum tree_code, tree, tree); @@ -726,17 +804,22 @@ 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); -extern void warn_logical_operator (enum tree_code, tree, tree); +extern void overflow_warning (location_t, tree); +extern void warn_logical_operator (location_t, enum tree_code, tree, + enum tree_code, tree, enum tree_code, 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 void mark_valid_location_for_stdc_pragma (bool); +extern bool valid_location_for_stdc_pragma_p (void); +extern void set_float_const_decimal64 (void); +extern void clear_float_const_decimal64 (void); +extern bool float_const_decimal64_p (void); -#define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1) -#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1) +#define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, 1) +#define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, 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); @@ -747,7 +830,6 @@ extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwis 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); @@ -762,7 +844,7 @@ extern void disable_builtin_function (const char *); extern void set_compound_literal_name (tree decl); -extern tree build_va_arg (tree, tree); +extern tree build_va_arg (location_t, tree, tree); extern unsigned int c_common_init_options (unsigned int, const char **); extern bool c_common_post_options (const char **); @@ -794,11 +876,20 @@ extern void finish_file (void); #define STATEMENT_LIST_HAS_LABEL(NODE) \ TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) -/* COMPOUND_LITERAL_EXPR accessors. */ -#define COMPOUND_LITERAL_EXPR_DECL_STMT(NODE) \ - TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0) -#define COMPOUND_LITERAL_EXPR_DECL(NODE) \ - DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE)) +/* C_MAYBE_CONST_EXPR accessors. */ +#define C_MAYBE_CONST_EXPR_PRE(NODE) \ + TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) +#define C_MAYBE_CONST_EXPR_EXPR(NODE) \ + TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) +#define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ + TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) +#define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ + TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) +#define EXPR_INT_CONST_OPERANDS(EXPR) \ + (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ + && (TREE_CODE (EXPR) == INTEGER_CST \ + || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ + && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ #define DECL_C_BIT_FIELD(NODE) \ @@ -808,15 +899,14 @@ extern void finish_file (void); #define CLEAR_DECL_C_BIT_FIELD(NODE) \ (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) -extern void emit_local_var (tree); -extern tree do_case (tree, tree); -extern tree build_stmt (enum tree_code, ...); -extern tree build_case_label (tree, tree, tree); +extern tree do_case (location_t, tree, tree); +extern tree build_stmt (location_t, enum tree_code, ...); +extern tree build_case_label (location_t, 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_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); @@ -837,13 +927,16 @@ extern tree boolean_increment (enum tree_code, tree); extern int case_compare (splay_tree_key, splay_tree_key); -extern tree c_add_case_label (splay_tree, tree, tree, tree, tree); +extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree); extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); -extern tree build_function_call (tree, tree); +extern tree build_function_call (location_t, tree, tree); -extern tree resolve_overloaded_builtin (tree, tree); +extern tree build_function_call_vec (location_t, tree, + VEC(tree,gc) *, VEC(tree,gc) *); + +extern tree resolve_overloaded_builtin (location_t, tree, VEC(tree,gc) *); extern tree finish_label_address_expr (tree, location_t); @@ -851,14 +944,13 @@ extern tree finish_label_address_expr (tree, location_t); different implementations. Used in c-common.c. */ extern tree lookup_label (tree); extern tree lookup_name (tree); +extern bool lvalue_p (const_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 *); -extern tree c_staticp (tree); - extern void init_c_lex (void); extern void c_cpp_builtins (cpp_reader *); @@ -913,20 +1005,27 @@ 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); +extern void set_underlying_type (tree x); +extern bool is_typedef_decl (tree x); +extern VEC(tree,gc) *make_tree_vector (void); +extern void release_tree_vector (VEC(tree,gc) *); +extern VEC(tree,gc) *make_tree_vector_single (tree); +extern VEC(tree,gc) *make_tree_vector_copy (const VEC(tree,gc) *); /* In c-gimplify.c */ extern void c_genericize (tree); extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); -extern tree c_build_bind_expr (tree, tree); +extern tree c_build_bind_expr (location_t, tree, tree); /* In c-pch.c */ extern void pch_init (void); @@ -946,7 +1045,7 @@ 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 *); -extern void c_parse_error (const char *, enum cpp_ttype, tree); +extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char); /* Objective-C / Objective-C++ entry points. */ @@ -970,7 +1069,7 @@ extern void objc_declare_class (tree); extern void objc_declare_protocols (tree); extern tree objc_build_message_expr (tree); extern tree objc_finish_message_expr (tree, tree, tree); -extern tree objc_build_selector_expr (tree); +extern tree objc_build_selector_expr (location_t, tree); extern tree objc_build_protocol_expr (tree); extern tree objc_build_encode_expr (tree); extern tree objc_build_string_object (tree); @@ -994,7 +1093,7 @@ extern void objc_start_method_definition (tree); extern void objc_finish_method_definition (tree); extern void objc_add_instance_variable (tree); extern tree objc_build_keyword_decl (tree, tree, tree); -extern tree objc_build_throw_stmt (tree); +extern tree objc_build_throw_stmt (location_t, tree); extern void objc_begin_try_stmt (location_t, tree); extern tree objc_finish_try_stmt (void); extern void objc_begin_catch_clause (tree); @@ -1018,15 +1117,15 @@ extern void pp_dir_change (cpp_reader *, const char *); extern bool check_missing_format_attribute (tree, tree); /* In c-omp.c */ -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 tree c_finish_omp_atomic (enum tree_code, tree, tree); -extern void c_finish_omp_flush (void); -extern void c_finish_omp_taskwait (void); +extern tree c_finish_omp_master (location_t, tree); +extern tree c_finish_omp_critical (location_t, tree, tree); +extern tree c_finish_omp_ordered (location_t, tree); +extern void c_finish_omp_barrier (location_t); +extern tree c_finish_omp_atomic (location_t, enum tree_code, tree, tree); +extern void c_finish_omp_flush (location_t); +extern void c_finish_omp_taskwait (location_t); extern tree c_finish_omp_for (location_t, tree, tree, tree, tree, tree, tree); -extern void c_split_parallel_clauses (tree, tree *, tree *); +extern void c_split_parallel_clauses (location_t, tree, tree *, tree *); extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); /* Not in c-omp.c; provided by the front end. */