diff options
Diffstat (limited to 'contrib/gcc/c-tree.h')
| -rw-r--r-- | contrib/gcc/c-tree.h | 346 |
1 files changed, 175 insertions, 171 deletions
diff --git a/contrib/gcc/c-tree.h b/contrib/gcc/c-tree.h index 159c235..0500f81 100644 --- a/contrib/gcc/c-tree.h +++ b/contrib/gcc/c-tree.h @@ -1,6 +1,6 @@ /* Definitions for C parsing and type checking. Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, - 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of GCC. @@ -37,22 +37,19 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA struct lang_identifier GTY(()) { struct c_common_identifier common_id; - tree global_value; - tree local_value; + tree symbol_value; + tree tag_value; tree label_value; - tree implicit_decl; - tree error_locus; - tree limbo_value; }; /* The resulting tree type. */ -union lang_tree_node +union lang_tree_node GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"), - chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) + chain_next ("TREE_CODE (&%h.generic) == INTEGER_TYPE ? (union lang_tree_node *)TYPE_NEXT_VARIANT (&%h.generic) : (union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) { - union tree_node GTY ((tag ("0"), - desc ("tree_node_structure (&%h)"))) + union tree_node GTY ((tag ("0"), + desc ("tree_node_structure (&%h)"))) generic; struct lang_identifier GTY ((tag ("1"))) identifier; }; @@ -61,7 +58,6 @@ union lang_tree_node struct lang_decl GTY(()) { - struct c_lang_decl base; /* The return types and parameter types may have variable size. This is a list of any SAVE_EXPRs that need to be evaluated to compute those sizes. */ @@ -71,30 +67,17 @@ struct lang_decl GTY(()) /* Macros for access to language-specific slots in an identifier. */ /* Each of these slots contains a DECL node or null. */ -/* This represents the value which the identifier has in the - file-scope namespace. */ -#define IDENTIFIER_GLOBAL_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->global_value) -/* This represents the value which the identifier has in the current - scope. */ -#define IDENTIFIER_LOCAL_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->local_value) -/* This represents the value which the identifier has as a label in - the current label scope. */ +/* The value of the identifier in the namespace of "ordinary identifiers" + (data objects, enum constants, functions, typedefs). */ +#define IDENTIFIER_SYMBOL_VALUE(NODE) \ + (((struct lang_identifier *) (NODE))->symbol_value) +/* The value of the identifier in the namespace of struct, union, + and enum tags. */ +#define IDENTIFIER_TAG_VALUE(NODE) \ + (((struct lang_identifier *) (NODE))->tag_value) +/* The value of the identifier in the namespace of labels. */ #define IDENTIFIER_LABEL_VALUE(NODE) \ (((struct lang_identifier *) (NODE))->label_value) -/* This records the extern decl of this identifier, if it has had one - at any point in this compilation. */ -#define IDENTIFIER_LIMBO_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->limbo_value) -/* This records the implicit function decl of this identifier, if it - has had one at any point in this compilation. */ -#define IDENTIFIER_IMPLICIT_DECL(NODE) \ - (((struct lang_identifier *) (NODE))->implicit_decl) -/* This is the last function in which we printed an "undefined variable" - message for this identifier. Value is a FUNCTION_DECL or null. */ -#define IDENTIFIER_ERROR_LOCUS(NODE) \ - (((struct lang_identifier *) (NODE))->error_locus) /* In identifiers, C uses the following fields in a special way: TREE_PUBLIC to record that there was a previous local extern decl. @@ -111,22 +94,19 @@ struct lang_decl GTY(()) nonzero if the definition of the type has already started. */ #define C_TYPE_BEING_DEFINED(TYPE) TYPE_LANG_FLAG_0 (TYPE) +/* In an incomplete RECORD_TYPE or UNION_TYPE, a list of variable + declarations whose type would be completed by completing that type. */ +#define C_TYPE_INCOMPLETE_VARS(TYPE) TYPE_VFIELD (TYPE) + /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a keyword. C_RID_CODE (node) is then the RID_* value of the keyword, and C_RID_YYCODE is the token number wanted by Yacc. */ #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID) -/* This function was declared inline. This flag controls the linkage - semantics of 'inline'; whether or not the function is inlined is - controlled by DECL_INLINE. */ -#define DECL_DECLARED_INLINE_P(NODE) \ - (DECL_LANG_SPECIFIC (NODE)->base.declared_inline) - /* In a RECORD_TYPE, a sorted array of the fields of the type. */ struct lang_type GTY(()) { - int len; - tree GTY((length ("%h.len"))) elts[1]; + struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s; }; /* Record whether a type or decl was written with nonconstant size. @@ -134,13 +114,6 @@ struct lang_type GTY(()) #define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE) #define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE) -#if 0 /* Not used. */ -/* Record whether a decl for a function or function pointer has - already been mentioned (in a warning) because it was called - but didn't have a prototype. */ -#define C_MISSING_PROTOTYPE_WARNED(DECL) DECL_LANG_FLAG_2 (DECL) -#endif - /* Store a value in that field. */ #define C_SET_EXP_ORIGINAL_CODE(EXP, CODE) \ (TREE_COMPLEXITY (EXP) = (int) (CODE)) @@ -152,103 +125,122 @@ struct lang_type GTY(()) return type. */ #define C_FUNCTION_IMPLICIT_INT(EXP) DECL_LANG_FLAG_1 (EXP) -/* Nonzero for a declaration of a built in function if there has been no - occasion that would declare the function in ordinary C. - Using the function draws a pedantic warning in this case. */ -#define C_DECL_ANTICIPATED(EXP) DECL_LANG_FLAG_3 (EXP) +/* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */ +#define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP) + +/* Nonzero for a declaration of an external object which is not + currently in scope. This is either a built-in declaration of + a library function, before a real declaration has been seen, + or a declaration that appeared in an inner scope that has ended. */ +#define C_DECL_INVISIBLE(EXP) DECL_LANG_FLAG_3 (EXP) + +/* 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*). */ +#define C_DECL_ISNT_PROTOTYPE(EXP) \ + (EXP == 0 \ + || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \ + && !DECL_BUILT_IN (EXP))) /* For FUNCTION_TYPE, a hidden list of types of arguments. The same as TYPE_ARG_TYPES for functions with prototypes, but created for functions without prototypes. */ #define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_BINFO (NODE) - -/* in c-lang.c and objc-act.c */ -extern tree lookup_interface PARAMS ((tree)); -extern tree is_class_name PARAMS ((tree)); -extern tree objc_is_id PARAMS ((tree)); -extern void objc_check_decl PARAMS ((tree)); -extern void finish_file PARAMS ((void)); -extern int objc_comptypes PARAMS ((tree, tree, int)); -extern tree objc_message_selector PARAMS ((void)); -extern tree lookup_objc_ivar PARAMS ((tree)); +/* Values for the first parameter to poplevel. */ +#define KEEP_NO 0 +#define KEEP_YES 1 +#define KEEP_MAYBE 2 + +/* Save and restore the variables in this file and elsewhere + that keep track of the progress of compilation of the current function. + Used for nested functions. */ + +struct language_function GTY(()) +{ + struct c_language_function base; + int returns_value; + int returns_null; + int returns_abnormally; + int warn_about_return_type; + int extern_inline; + int x_in_iteration_stmt; + int x_in_case_stmt; +}; /* in c-parse.in */ -extern void c_parse_init PARAMS ((void)); +extern void c_parse_init (void); /* in c-aux-info.c */ -extern void gen_aux_info_record PARAMS ((tree, int, int, int)); +extern void gen_aux_info_record (tree, int, int, int); /* in c-decl.c */ -extern int global_bindings_p PARAMS ((void)); -extern int kept_level_p PARAMS ((void)); -extern tree getdecls PARAMS ((void)); -extern void pushlevel PARAMS ((int)); -extern tree poplevel PARAMS ((int,int, int)); -extern void insert_block PARAMS ((tree)); -extern void set_block PARAMS ((tree)); -extern tree pushdecl PARAMS ((tree)); - -extern void c_insert_default_attributes PARAMS ((tree)); -extern void c_init_decl_processing PARAMS ((void)); -extern void c_dup_lang_specific_decl PARAMS ((tree)); -extern void c_print_identifier PARAMS ((FILE *, tree, int)); -extern tree build_array_declarator PARAMS ((tree, tree, int, int)); -extern tree build_enumerator PARAMS ((tree, tree)); -extern void check_for_loop_decls PARAMS ((void)); -extern void clear_parm_order PARAMS ((void)); -extern int complete_array_type PARAMS ((tree, tree, int)); -extern void declare_parm_level PARAMS ((int)); -extern tree define_label PARAMS ((const char *, int, - tree)); -extern void finish_decl PARAMS ((tree, tree, tree)); -extern tree finish_enum PARAMS ((tree, tree, tree)); -extern void finish_function PARAMS ((int, int)); -extern tree finish_struct PARAMS ((tree, tree, tree)); -extern tree get_parm_info PARAMS ((int)); -extern tree grokfield PARAMS ((const char *, int, tree, tree, tree)); -extern tree groktypename PARAMS ((tree)); -extern tree groktypename_in_parm_context PARAMS ((tree)); -extern tree implicitly_declare PARAMS ((tree)); -extern void implicit_decl_warning PARAMS ((tree)); -extern int in_parm_level_p PARAMS ((void)); -extern void keep_next_level PARAMS ((void)); -extern tree lookup_name PARAMS ((tree)); -extern tree lookup_name_current_level PARAMS ((tree)); -extern void parmlist_tags_warning PARAMS ((void)); -extern void pending_xref_error PARAMS ((void)); -extern void c_push_function_context PARAMS ((struct function *)); -extern void c_pop_function_context PARAMS ((struct function *)); -extern void pop_label_level PARAMS ((void)); -extern void push_label_level PARAMS ((void)); -extern void push_parm_decl PARAMS ((tree)); -extern tree pushdecl_top_level PARAMS ((tree)); -extern void pushtag PARAMS ((tree, tree)); -extern tree set_array_declarator_type PARAMS ((tree, tree, int)); -extern tree shadow_label PARAMS ((tree)); -extern void shadow_tag PARAMS ((tree)); -extern void shadow_tag_warned PARAMS ((tree, int)); -extern tree start_enum PARAMS ((tree)); -extern int start_function PARAMS ((tree, tree, tree)); -extern tree start_decl PARAMS ((tree, tree, int, - tree)); -extern tree start_struct PARAMS ((enum tree_code, tree)); -extern void store_parm_decls PARAMS ((void)); -extern tree xref_tag PARAMS ((enum tree_code, tree)); -extern tree c_begin_compound_stmt PARAMS ((void)); -extern void c_expand_deferred_function PARAMS ((tree)); -extern void c_expand_decl_stmt PARAMS ((tree)); -extern tree make_pointer_declarator PARAMS ((tree, tree)); +extern int c_in_iteration_stmt; +extern int c_in_case_stmt; + +extern int global_bindings_p (void); +extern tree getdecls (void); +extern void pushlevel (int); +extern void insert_block (tree); +extern void set_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 void c_print_identifier (FILE *, tree, int); +extern tree build_array_declarator (tree, tree, int, int); +extern tree build_enumerator (tree, tree); +extern void check_for_loop_decls (void); +extern void mark_forward_parm_decls (void); +extern int complete_array_type (tree, tree, int); +extern void declare_parm_level (void); +extern void undeclared_variable (tree); +extern tree declare_label (tree); +extern tree define_label (location_t, tree); +extern void finish_decl (tree, tree, tree); +extern tree finish_enum (tree, tree, tree); +extern void finish_function (void); +extern tree finish_struct (tree, tree, tree); +extern tree get_parm_info (int); +extern tree grokfield (tree, tree, tree); +extern tree groktypename (tree); +extern tree groktypename_in_parm_context (tree); +extern tree implicitly_declare (tree); +extern int in_parm_level_p (void); +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 (tree); +extern tree pushdecl_top_level (tree); +extern void pushtag (tree, tree); +extern tree set_array_declarator_type (tree, tree, int); +extern void shadow_tag (tree); +extern void shadow_tag_warned (tree, int); +extern tree start_enum (tree); +extern int start_function (tree, tree, tree); +extern tree start_decl (tree, tree, int, tree); +extern tree start_struct (enum tree_code, tree); +extern void store_parm_decls (void); +extern tree xref_tag (enum tree_code, tree); +extern tree c_begin_compound_stmt (void); +extern void c_expand_deferred_function (tree); +extern void c_expand_decl_stmt (tree); +extern void c_static_assembler_name (tree); +extern tree make_pointer_declarator (tree, tree); +extern void merge_translation_unit_decls (void); /* in c-objc-common.c */ -extern int c_disregard_inline_limits PARAMS ((tree)); -extern int c_cannot_inline_tree_fn PARAMS ((tree *)); -extern const char *c_objc_common_init PARAMS ((const char *)); -extern int c_missing_noreturn_ok_p PARAMS ((tree)); -extern void c_objc_common_finish_file PARAMS ((void)); -extern int defer_fn PARAMS ((tree)); -extern bool c_warn_unused_global_decl PARAMS ((tree)); +extern int c_disregard_inline_limits (tree); +extern int c_cannot_inline_tree_fn (tree *); +extern bool c_objc_common_init (void); +extern int c_missing_noreturn_ok_p (tree); +extern void c_objc_common_finish_file (void); +extern int defer_fn (tree); +extern bool c_warn_unused_global_decl (tree); #define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ c_build_qualified_type ((TYPE), \ @@ -256,47 +248,51 @@ extern bool c_warn_unused_global_decl PARAMS ((tree)); ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) #define c_sizeof_nowarn(T) c_sizeof_or_alignof_type (T, SIZEOF_EXPR, 0) + /* in c-typeck.c */ -extern tree require_complete_type PARAMS ((tree)); -extern int comptypes PARAMS ((tree, tree)); -extern tree c_size_in_bytes PARAMS ((tree)); -extern bool c_mark_addressable PARAMS ((tree)); -extern void c_incomplete_type_error PARAMS ((tree, tree)); -extern tree c_type_promotes_to PARAMS ((tree)); -extern tree build_component_ref PARAMS ((tree, tree)); -extern tree build_indirect_ref PARAMS ((tree, const char *)); -extern tree build_array_ref PARAMS ((tree, tree)); -extern tree build_external_ref PARAMS ((tree, int)); -extern tree parser_build_binary_op PARAMS ((enum tree_code, - tree, tree)); -extern int c_tree_expr_nonnegative_p PARAMS ((tree)); -extern void readonly_warning PARAMS ((tree, const char *)); -extern tree build_conditional_expr PARAMS ((tree, tree, tree)); -extern tree build_compound_expr PARAMS ((tree)); -extern tree c_cast_expr PARAMS ((tree, tree)); -extern tree build_c_cast PARAMS ((tree, tree)); -extern tree build_modify_expr PARAMS ((tree, enum tree_code, - tree)); -extern void store_init_value PARAMS ((tree, tree)); -extern void error_init PARAMS ((const char *)); -extern void pedwarn_init PARAMS ((const char *)); -extern void start_init PARAMS ((tree, tree, int)); -extern void finish_init PARAMS ((void)); -extern void really_start_incremental_init PARAMS ((tree)); -extern void push_init_level PARAMS ((int)); -extern tree pop_init_level PARAMS ((int)); -extern void set_init_index PARAMS ((tree, tree)); -extern void set_init_label PARAMS ((tree)); -extern void process_init_element PARAMS ((tree)); -extern tree build_compound_literal PARAMS ((tree, tree)); -extern void pedwarn_c99 PARAMS ((const char *, ...)) - ATTRIBUTE_PRINTF_1; -extern tree c_start_case PARAMS ((tree)); -extern void c_finish_case PARAMS ((void)); -extern tree simple_asm_stmt PARAMS ((tree)); -extern tree build_asm_stmt PARAMS ((tree, tree, tree, - tree, tree)); -extern tree c_convert_parm_for_inlining PARAMS ((tree, tree, tree)); + +/* For use with comptypes. */ +enum { + COMPARE_STRICT = 0 +}; + +extern tree require_complete_type (tree); +extern int comptypes (tree, tree, int); +extern tree c_size_in_bytes (tree); +extern bool c_mark_addressable (tree); +extern void c_incomplete_type_error (tree, tree); +extern tree c_type_promotes_to (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); +extern tree parser_build_binary_op (enum tree_code, tree, tree); +extern int c_tree_expr_nonnegative_p (tree); +extern void readonly_error (tree, const char *); +extern tree build_conditional_expr (tree, tree, tree); +extern tree build_compound_expr (tree); +extern tree c_cast_expr (tree, 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 void start_init (tree, tree, int); +extern void finish_init (void); +extern void really_start_incremental_init (tree); +extern void push_init_level (int); +extern tree pop_init_level (int); +extern void set_init_index (tree, tree); +extern void set_init_label (tree); +extern void process_init_element (tree); +extern tree build_compound_literal (tree, tree); +extern void pedwarn_c90 (const char *, ...) ATTRIBUTE_PRINTF_1; +extern void pedwarn_c99 (const char *, ...) ATTRIBUTE_PRINTF_1; +extern tree c_start_case (tree); +extern void c_finish_case (void); +extern tree simple_asm_stmt (tree); +extern tree build_asm_stmt (tree, tree, tree, tree, tree); +extern tree c_convert_parm_for_inlining (tree, tree, tree, int); /* Set to 0 at beginning of a function definition, set to 1 if a return statement that specifies a return value is seen. */ @@ -318,9 +314,17 @@ extern int current_function_returns_abnormally; extern int system_header_p; /* In c-decl.c */ -extern void c_finish_incomplete_decl PARAMS ((tree)); +extern void c_finish_incomplete_decl (tree); +extern void *get_current_scope (void); +extern void objc_mark_locals_volatile (void *); +extern void c_write_global_declarations (void); extern GTY(()) tree static_ctors; extern GTY(()) tree static_dtors; +/* 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__ + #endif /* ! GCC_C_TREE_H */ |
