66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
/* $Id$ */
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/*
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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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#include "../share/types.h"
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#include "../share/debug.h"
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#include "../share/utils.h"
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#include "../share/global.h"
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#include "../share/lset.h"
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#include "cs.h"
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#include "cs_entity.h"
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offset array_elemsize(valnum vn)
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{
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/* Vn is the valuenumber of an entity that points to
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* an array-descriptor. The third element of this descriptor holds
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* the size of the array-elements.
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* IF we can find this entity, AND IF we can find the descriptor AND IF
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* this descriptor is located in ROM, then we return the size.
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*/
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entity_p enp;
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enp = find_entity(vn);
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if (enp == (entity_p) 0)
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return UNKNOWN_SIZE;
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if (enp->en_kind != ENAEXTERNAL)
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return UNKNOWN_SIZE;
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if (enp->en_ext->o_dblock->d_pseudo != DROM)
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return UNKNOWN_SIZE;
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return aoff(enp->en_ext->o_dblock->d_values, 2);
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}
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occur_p occ_elem(Lindex i)
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{
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return (occur_p) Lelem(i);
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}
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entity_p en_elem(Lindex i)
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{
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return (entity_p) Lelem(i);
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}
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/* The value numbers associated with each distinct value
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* start at 1.
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*/
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STATIC valnum val_no;
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valnum newvalnum(void)
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{
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/* Return a completely new value number. */
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return ++val_no;
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}
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void start_valnum(void)
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{
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/* Restart value numbering. */
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val_no = 0;
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}
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