diff options
Diffstat (limited to 'gcc/c-tree.h')
| -rw-r--r-- | gcc/c-tree.h | 66 |
1 files changed, 29 insertions, 37 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h index 29352f5dd43..368c970557e 100644 --- a/gcc/c-tree.h +++ b/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. @@ -37,11 +37,9 @@ 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 limbo_value; }; /* The resulting tree type. */ @@ -70,26 +68,17 @@ 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) /* In identifiers, C uses the following fields in a special way: TREE_PUBLIC to record that there was a previous local extern decl. @@ -129,13 +118,6 @@ 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)) @@ -147,10 +129,22 @@ 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 @@ -207,11 +201,9 @@ extern tree grokfield PARAMS ((const char *, int, 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 *)); @@ -220,8 +212,8 @@ 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 tree pushdecl_function_level PARAMS ((tree, tree)); extern void pushtag PARAMS ((tree, tree)); -extern void record_function_scope_shadow PARAMS ((tree)); extern tree set_array_declarator_type PARAMS ((tree, tree, int)); extern tree shadow_label PARAMS ((tree)); extern void shadow_tag PARAMS ((tree)); |