ref: b2ce2879bce1b20bd28c99ca44d0dd46d50078aa
dir: /symbol.h/
#ifndef SYMBOL_H #define SYMBOL_H #define CTX_OUTER 0 #define CTX_FUNC 1 #define isfun(t) 0 enum { NS_IDEN = 0, NS_LABEL, NS_TAG, NR_NAMESPACES, NS_KEYWORD, NS_FREE }; struct funpars; struct symbol; struct ctype { uint8_t op; /* type builder operator */ short size; /* size of variables */ short nelem; /* number of elements in arrays */ unsigned defined : 1; /* type defined (is not a forward reference) */ unsigned cplex : 1; /* complex specifier */ unsigned imag : 1; unsigned sign : 1; /* sign type */ struct symbol *sym; /* symbol of the tag identifier */ struct ctype *type; /* base type */ struct ctype *next; /* next element in the hash */ struct funpars *pars; /* function parameters */ }; struct funpars { struct ctype *type; struct funpars *next; }; struct symbol { char *name; struct ctype *type; uint8_t ctx; uint8_t token; uint8_t ns; union { char c; int i; short offset; } u; struct symbol *next; struct symbol *hash; }; extern void freesyms(uint8_t ns); extern struct ctype *qualifier(struct ctype *tp, uint8_t qlf), *ctype(int8_t type, int8_t sign, int8_t size, int8_t cplex), *mktype(struct ctype *tp, uint8_t op, struct symbol *tag, uint16_t nelem); extern struct symbol *lookup(char *s, unsigned char ns), *install(char *s, unsigned char ns); extern struct node *context(struct node * (*fun)(void)); extern struct ctype *voidtype, *uchartype, *chartype, *uinttype, *inttype, *ushortype, *shortype, *longtype, *ulongtype, *ullongtype, *llongtype, *floattype, *cfloattype, *ifloattype, *doubletype, *cdoubletype, *idoubletype, *ldoubletype, *cldoubletype,*ildoubletype; #endif