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