fis-gtm/sr_port/m_goto.c

65 lines
1.8 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "mdq.h"
#include "compiler.h"
#include "opcode.h"
#include "indir_enum.h"
#include "toktyp.h"
#include "mmemory.h"
#include "advancewindow.h"
#include "cmd.h"
int m_goto(void)
{
oprtype *cr;
triple *obp, *oldchain, *ref0, *ref1, tmpchain, *triptr;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
dqinit(&tmpchain, exorder);
oldchain = setcurtchain(&tmpchain);
if (!entryref(OC_JMP, OC_EXTJMP, (mint)indir_goto, TRUE, FALSE, FALSE))
{
setcurtchain(oldchain);
return FALSE;
}
setcurtchain(oldchain);
if (TK_COLON == TREF(window_token))
{
advancewindow();
cr = (oprtype *)mcalloc(SIZEOF(oprtype));
if (!bool_expr(FALSE, cr))
return FALSE;
if ((TREF(expr_start) != TREF(expr_start_orig)) && (OC_NOOP != (TREF(expr_start))->opcode))
{
triptr = newtriple(OC_GVRECTARG);
triptr->operand[0] = put_tref(TREF(expr_start));
}
obp = oldchain->exorder.bl;
dqadd(obp, &tmpchain, exorder); /*this is a violation of info hiding*/
if ((TREF(expr_start) != TREF(expr_start_orig)) && (OC_NOOP != (TREF(expr_start))->opcode))
{
ref0 = newtriple(OC_JMP);
ref1 = newtriple(OC_GVRECTARG);
ref1->operand[0] = put_tref(TREF(expr_start));
*cr = put_tjmp(ref1);
tnxtarg(&ref0->operand[0]);
} else
tnxtarg(cr);
return TRUE;
}
obp = oldchain->exorder.bl;
dqadd(obp, &tmpchain, exorder); /*this is a violation of info hiding*/
return TRUE;
}