48 lines
1.1 KiB
C
48 lines
1.1 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 "indir_enum.h"
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#include "opcode.h"
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#include "toktyp.h"
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#include "cmd.h"
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int m_trollback(void)
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{
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oprtype x;
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triple *ref;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if ((TK_SPACE == TREF(window_token)) || (TK_EOL == TREF(window_token)))
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{
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ref = newtriple(OC_TROLLBACK);
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ref->operand[0] = put_ilit(0);
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return TRUE;
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} else
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{
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switch (expr(&x, MUMPS_INT))
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{
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case EXPR_FAIL:
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return FALSE;
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case EXPR_GOOD:
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ref = newtriple(OC_TROLLBACK);
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ref->operand[0] = x;
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return TRUE;
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case EXPR_INDR:
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make_commarg(&x,indir_trollback);
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return TRUE;
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}
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}
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return FALSE; /* This should never get executed, added to make compiler happy */
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}
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