90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2011 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 <stdarg.h>
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#include "gtm_stdio.h"
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#include "lv_val.h"
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#include "rtnhdr.h"
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#include "mv_stent.h"
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#include "compiler.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 "alias.h"
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GBLREF mv_stent *mv_chain;
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GBLREF unsigned char *msp, *stackbase, *stackwarn, *stacktop;
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GBLREF symval *curr_symval;
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/* Create lv_val on stack to hold copy of parameter. Address of created lv_val will be used by op_bindparm() */
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void push_parm(UNIX_ONLY_COMMA(unsigned int totalcnt) int truth_value, ...)
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{
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va_list var;
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mval *ret_value;
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int mask;
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VMS_ONLY(unsigned totalcnt;)
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unsigned actualcnt;
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parm_blk *parm;
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mv_stent *mvp_blk;
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int i;
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lv_val *actp;
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mval *actpmv;
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error_def (ERR_STACKOFLOW);
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error_def (ERR_STACKCRIT);
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VAR_START(var, truth_value);
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VMS_ONLY(va_count(totalcnt));
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assert(4 <= totalcnt);
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ret_value = va_arg(var, mval *);
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mask = va_arg(var, int);
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actualcnt = va_arg(var, unsigned int);
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assert(4 + actualcnt == totalcnt);
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assert(MAX_ACTUALS >= actualcnt);
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PUSH_MV_STENT(MVST_PARM);
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parm = (parm_blk *)malloc(SIZEOF(parm_blk) - SIZEOF(lv_val *) + actualcnt * SIZEOF(lv_val *));
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parm->actualcnt = actualcnt;
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parm->mask = mask;
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mvp_blk = mv_chain;
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mvp_blk->mv_st_cont.mvs_parm.save_truth = truth_value;
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mvp_blk->mv_st_cont.mvs_parm.ret_value = (mval *)NULL;
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mvp_blk->mv_st_cont.mvs_parm.mvs_parmlist = parm;
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for (i = 0; i < actualcnt; i++)
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{
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actp = va_arg(var, lv_val *);
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if (!(mask & 1 << i))
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{ /* Not a dotted pass-by-reference parm */
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actpmv = &actp->v;
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if ((!MV_DEFINED(actpmv)) && (actpmv->str.addr != (char *)&actp->v))
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actpmv = underr(actpmv);
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PUSH_MV_STENT(MVST_PVAL);
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mv_chain->mv_st_cont.mvs_pval.mvs_val = lv_getslot(curr_symval);
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LVVAL_INIT(mv_chain->mv_st_cont.mvs_pval.mvs_val, curr_symval);
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mv_chain->mv_st_cont.mvs_pval.mvs_val->v = *actpmv; /* Copy mval input */
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mv_chain->mv_st_cont.mvs_pval.mvs_ptab.save_value = NULL; /* Filled in by op_bindparm */
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mv_chain->mv_st_cont.mvs_pval.mvs_ptab.hte_addr = NULL;
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DEBUG_ONLY(mv_chain->mv_st_cont.mvs_pval.mvs_ptab.nam_addr = NULL);
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parm->actuallist[i] = (lv_val *)&mv_chain->mv_st_cont.mvs_pval;
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} else
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/* Dotted pass-by-reference parm. No save of previous value, just pass lvval */
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parm->actuallist[i] = actp;
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}
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va_end(var);
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mvp_blk->mv_st_cont.mvs_parm.ret_value = ret_value;
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return;
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}
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