47 lines
1.5 KiB
C
47 lines
1.5 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 "compiler.h"
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#include "opcode.h"
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#include "fullbool.h"
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int expr(oprtype *a, int m_type)
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{
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int rval;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if (!(TREF(expr_depth))++)
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TREF(expr_start) = TREF(expr_start_orig) = NULL;
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if (EXPR_FAIL == (rval = eval_expr(a))) /* NOTE assignment */
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{
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TREF(expr_depth) = 0;
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return FALSE;
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}
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coerce(a, (MUMPS_INT == m_type) ? OCT_MINT : OCT_MVAL);
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ex_tail(a);
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if (TREF(expr_start) != TREF(expr_start_orig) && (OC_NOOP != (TREF(expr_start))->opcode))
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{
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assert(TREF(shift_side_effects));
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assert((OC_GVSAVTARG == (TREF(expr_start))->opcode));
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if ((OC_GVSAVTARG == (TREF(expr_start))->opcode) && ((GTM_BOOL == TREF(gtm_fullbool)) || !TREF(saw_side_effect)))
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{
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if ((OC_GVRECTARG != (TREF(curtchain))->exorder.bl->opcode)
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|| ((TREF(curtchain))->exorder.bl->operand[0].oprval.tref != TREF(expr_start)))
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newtriple(OC_GVRECTARG)->operand[0] = put_tref(TREF(expr_start));
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}
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}
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if (!(--(TREF(expr_depth))))
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TREF(saw_side_effect) = TREF(shift_side_effects) = FALSE;
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return rval;
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}
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