ref: 7edc7e439ca0f0a7240f716e9312b477ff7aaed7
dir: /symbol.h/
#pragma once #ifndef SYMBOL_H #define SYMBOL_H #if ! __bool_true_false_are_defined # include <stdbool.h> #endif #define CTX_OUTER 0 #define CTX_FUNC 1 #define NOINSERT(x) (-x) enum { NS_IDEN, NS_KEYWORD, NS_STRUCT, NS_LABEL, NS_TYPEDEF, NS_ANY }; struct ctype { unsigned type : 5; bool c_typedef : 1; bool c_extern : 1; bool c_static : 1; bool c_auto : 1; bool c_register : 1; bool c_const : 1; bool c_volatile : 1; bool c_restrict : 1; bool c_unsigned : 1; bool c_signed : 1; bool forward : 1; union { unsigned len; struct { struct symbol *sym; unsigned char ns; }; }; struct ctype *base; }; struct symbol { struct ctype *ctype; unsigned char ctx; unsigned char ns; char *name; struct { union { short val; /* used in integer constant */ }; }; struct symbol *next; struct symbol *hash; }; #define HAS_STORAGE(tp) ((tp)->c_extern || (tp)->c_static ||\ (tp)->c_auto || (tp)->c_register || (tp)->c_typedef) #define HAS_QUALIF(tp) ((tp)->c_const || (tp)->c_volatile) extern struct ctype *decl_type(struct ctype *t); extern void pushtype(unsigned mod); extern struct ctype *btype(struct ctype *tp, unsigned char tok); extern void new_ctx(void); extern void del_ctx(void); extern void freesyms(void); extern struct symbol *lookup(const char *s, signed char ns); extern void insert(struct symbol *sym, unsigned char ctx); extern struct ctype *storage(struct ctype *tp, unsigned char mod); extern struct ctype *newctype(void); extern void delctype(struct ctype *tp); extern unsigned char hash(register const char *s); #ifndef NDEBUG extern void ptype(register struct ctype *t); #else # define ptype(t) #endif #endif