ack/lang/cem/cemcom/def.h
2006-02-04 00:57:05 +00:00

38 lines
1.1 KiB
C

/* $Header$ */
/* IDENTIFIER DEFINITION DESCRIPTOR */
struct def { /* for ordinary tags */
struct def *next;
int df_level;
struct type *df_type;
int df_sc; /* may be:
GLOBAL, STATIC, EXTERN, IMPLICIT,
TYPEDEF,
FORMAL, AUTO,
ENUM, LABEL
*/
int df_register; /* REG_NONE, REG_DEFAULT or REG_BONUS */
char df_initialized; /* an initialization has been generated */
char df_alloc; /* 0, ALLOC_SEEN or ALLOC_DONE */
char df_used; /* set if idf is used */
char df_formal_array; /* to warn if sizeof is taken */
arith df_address;
};
#define ALLOC_SEEN 1 /* an allocating declaration has been seen */
#define ALLOC_DONE 2 /* the allocating declaration has been done */
#define REG_NONE 0 /* no register candidate */
#define REG_DEFAULT 1 /* register candidate, not declared as such */
#define REG_BONUS 10 /* register candidate, declared as such */
/* allocation definitions of struct def */
/* ALLOCDEF "def" */
extern char *st_alloc();
extern struct def *h_def;
#define new_def() ((struct def *) \
st_alloc((char **)&h_def, sizeof(struct def)))
#define free_def(p) st_free(p, h_def, sizeof(struct def))