41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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* Author: Ceriel J.H. Jacobs
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*/
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#ifndef CHK_EXPR_H_
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#define CHK_EXPR_H_
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/* E X P R E S S I O N C H E C K I N G */
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/* $Id$ */
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extern int (*ExprChkTable[])(struct node **, int); /* table of expression checking
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functions, indexed by node class
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*/
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extern int (*DesigChkTable[])(struct node **, int); /* table of designator checking
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functions, indexed by node class
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*/
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#define ChkExpression(expp) ((*ExprChkTable[(unsigned int)((*expp)->nd_class)])(expp,D_USED))
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#define ChkDesig(expp, flags) ((*DesigChkTable[(unsigned int)((*expp)->nd_class)])(expp,flags))
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/* handle reference counts for sets */
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#define inc_refcount(s) (*((int *)(s) - 1) += 1)
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#define dec_refcount(s) (*((int *)(s) - 1) -= 1)
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#define refcount(s) (*((int *)(s) - 1))
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void MkCoercion(struct node **pnd, register struct type *tp);
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int ChkVariable(register struct node **expp, int flags);
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int ChkCall(struct node **expp);
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void TryToString(register struct node *nd, struct type *tp);
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/* Generates a set of "size" bytes and increments its reference count. */
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arith *MkSet(unsigned int size);
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/* Decrements the reference counter of set "s" and if reference count
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* is zero, then it frees the memory associated with the set.
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*/
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void FreeSet(register arith *s);
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#endif /* CHK_EXPR_H_ */
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