63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2012 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gdsroot.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "stringpool.h"
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#include "op.h"
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#include "gvcst_protos.h" /* for gvcst_get prototype */
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#include "gvcmx.h"
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#include "gvusr.h"
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#include "sgnl.h"
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GBLREF gv_namehead *gv_target;
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GBLREF gd_region *gv_cur_region;
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LITREF mval literal_null;
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/* This code is very similar to op_fngvget1.c except if the gvn is undefined, this one returns the default empty string
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* while op_fngvget1 returns an undefined value as a signal to op_fnget2, which, in turn, returns a specified "default" string;
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* that slight of hand deals with order of evaluation issues.
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* Any changes to this routine most likely have to be made in op_fngvget1.c as well.
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*/
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void op_fngvget(mval *dst)
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{
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boolean_t gotit;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if (TREF(gv_last_subsc_null) && NEVER == gv_cur_region->null_subs)
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sgnl_gvnulsubsc();
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switch (gv_cur_region->dyn.addr->acc_meth)
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{
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case dba_bg :
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case dba_mm :
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gotit = gv_target->root ? gvcst_get(dst) : FALSE;
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break;
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case dba_cm :
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gotit = gvcmx_get(dst);
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break;
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default :
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;
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if (gotit = gvusr_get(dst)) /* NOTE: assignment */
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s2pool(&dst->str);
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break;
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}
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if (!gotit)
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*dst = literal_null;
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assert(0 == (dst->mvtype & MV_ALIASCONT)); /* Should be no alias container flag */
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return;
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}
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