86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/****************************************************************
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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 "compiler.h"
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#include "opcode.h"
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#include "indir_enum.h"
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#include "toktyp.h"
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#include "mdq.h"
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#include "advancewindow.h"
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#include "fullbool.h"
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error_def(ERR_VAREXPECTED);
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int f_zprevious(oprtype *a, opctype op)
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{
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triple *oldchain, *r, tmpchain, *triptr;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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r = maketriple(op);
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switch (TREF(window_token))
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{
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case TK_IDENT:
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if (TK_LPAREN != TREF(director_token))
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{
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r->opcode = OC_FNLVPRVNAME;
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r->operand[0] = put_str((TREF(window_ident)).addr, (TREF(window_ident)).len);
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ins_triple(r);
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advancewindow();
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break;
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}
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if (!lvn(&(r->operand[0]), OC_SRCHINDX, r))
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return FALSE;
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ins_triple(r);
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break;
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case TK_CIRCUMFLEX:
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if (!gvn())
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return FALSE;
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r->opcode = OC_ZPREVIOUS;
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ins_triple(r);
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break;
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case TK_ATSIGN:
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TREF(saw_side_effect) = TREF(shift_side_effects);
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if (TREF(shift_side_effects) && (GTM_BOOL == TREF(gtm_fullbool)))
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{
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dqinit(&tmpchain, exorder);
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oldchain = setcurtchain(&tmpchain);
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if (!indirection(&(r->operand[0])))
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{
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setcurtchain(oldchain);
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return FALSE;
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}
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r->operand[1] = put_ilit((mint)indir_fnzprevious);
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ins_triple(r);
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newtriple(OC_GVSAVTARG);
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setcurtchain(oldchain);
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dqadd(TREF(expr_start), &tmpchain, exorder);
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TREF(expr_start) = tmpchain.exorder.bl;
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triptr = newtriple(OC_GVRECTARG);
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triptr->operand[0] = put_tref(TREF(expr_start));
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} else
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{
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if (!indirection(&(r->operand[0])))
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return FALSE;
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r->operand[1] = put_ilit((mint)indir_fnzprevious);
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ins_triple(r);
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}
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r->opcode = OC_INDFUN;
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break;
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default:
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stx_error(ERR_VAREXPECTED);
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return FALSE;
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}
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*a = put_tref(r);
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return TRUE;
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}
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