65 lines
1.8 KiB
C
65 lines
1.8 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 "toktyp.h"
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#include "io_params.h"
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#include "indir_enum.h"
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#include "advancewindow.h"
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#include "cmd.h"
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#include "deviceparameters.h"
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int m_use(void)
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{
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boolean_t inddevparms;
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static readonly unsigned char empty_plist[1] = { iop_eol };
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int rval;
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oprtype sopr, plist, devpopr;
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triple *indref, *ref;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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inddevparms = FALSE;
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if (EXPR_FAIL == (rval = expr(&sopr, MUMPS_STR))) /* NOTE assignment */
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return FALSE;
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if (TK_COLON != TREF(window_token))
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{ /* Single parameter */
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if (EXPR_INDR == rval)
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{ /* Indirect entire parameter list */
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make_commarg(&sopr, indir_use);
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return TRUE;
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} else /* default device parms */
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plist = put_str((char *)empty_plist, SIZEOF(empty_plist));
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} else
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{ /* Have device parms. Determine type */
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advancewindow();
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if (TK_ATSIGN == TREF(window_token))
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{ /* Have indirect device parms */
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if (!indirection(&devpopr))
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return FALSE;
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indref = newtriple(OC_INDDEVPARMS);
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indref->operand[0] = devpopr;
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indref->operand[1] = put_ilit(IOP_USE_OK);
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inddevparms = TRUE;
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} else
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{ /* Process device parameters now */
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if (!deviceparameters(&plist, IOP_USE_OK))
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return FALSE;
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}
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}
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ref = newtriple(OC_USE);
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ref->operand[0] = sopr;
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ref->operand[1] = !inddevparms ? plist : put_tref(indref);
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return TRUE;
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}
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