SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION
};
+enum symbol_status {
+ STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED
+};
+
struct string_list {
struct string_list *next;
enum symbol_type tag;
struct symbol *expansion_trail;
struct symbol *visited;
int is_extern;
+ int is_declared;
+ enum symbol_status status;
+ int is_override;
};
typedef struct string_list **yystype;