71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2010 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 "toktyp.h"
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#include "mdq.h"
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GBLREF char window_token;
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int glvn(oprtype *a)
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{
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triple *ref, *oldchain, tmpchain, *triptr;
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oprtype x1;
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error_def(ERR_VAREXPECTED);
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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switch(window_token)
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{
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case TK_IDENT:
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if (!lvn(a,OC_GETINDX,0))
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return FALSE;
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return TRUE;
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case TK_CIRCUMFLEX:
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if (!gvn())
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return FALSE;
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*a = put_tref(newtriple(OC_GVGET));
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return TRUE;
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case TK_ATSIGN:
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if (TREF(shift_side_effects))
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{
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dqinit(&tmpchain, exorder);
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oldchain = setcurtchain(&tmpchain);
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if (!indirection(&x1))
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{
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setcurtchain(oldchain);
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return FALSE;
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}
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ref = newtriple(OC_INDGLVN);
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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(&x1))
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return FALSE;
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ref = newtriple(OC_INDGLVN);
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}
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ref->operand[0] = x1;
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*a = put_tref(ref);
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return TRUE;
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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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}
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