fis-gtm/sr_port/m_zshow.c

131 lines
2.8 KiB
C

/****************************************************************
* *
* Copyright 2001, 2007 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 "compiler.h"
#include "opcode.h"
#include "indir_enum.h"
#include "toktyp.h"
#include "mlkdef.h"
#include "zshow.h"
#include "advancewindow.h"
#include "cmd.h"
GBLREF char window_token;
int m_zshow(void)
{
static readonly char def_str[]="S";
int rval, code;
triple *r,*outtype,*lvar;
oprtype func,output;
error_def(ERR_VAREXPECTED);
if (window_token == TK_SPACE || window_token == TK_EOL || window_token == TK_COLON)
{
code = ZSHOW_NOPARM;
}else
{
code = ZSHOW_DEVICE;
switch (strexpr(&func))
{
case EXPR_FAIL:
return FALSE;
case EXPR_GOOD:
break;
case EXPR_INDR:
make_commarg(&func,indir_zshow);
return TRUE;
break;
default:
assert(FALSE);
}
}
if (window_token == TK_COLON)
{
advancewindow();
switch(window_token)
{
case TK_CIRCUMFLEX:
if (!gvn())
return FALSE;
r = maketriple(OC_ZSHOW);
outtype = newtriple(OC_PARAMETER);
r->operand[1] = put_tref(outtype);
if (code == ZSHOW_NOPARM)
{
r->operand[0] = put_str(&def_str[0], (SIZEOF(def_str) - 1));
}else
{
r->operand[0] = func;
}
outtype->operand[0] = put_ilit(ZSHOW_GLOBAL);
ins_triple(r);
return TRUE;
case TK_IDENT:
if (!lvn(&output, OC_PUTINDX, 0))
{
stx_error(ERR_VAREXPECTED);
return FALSE;
}
r = maketriple(OC_ZSHOWLOC);
outtype = newtriple(OC_PARAMETER);
r->operand[1] = put_tref(outtype);
if (code == ZSHOW_NOPARM)
{
r->operand[0] = put_str(&def_str[0], (SIZEOF(def_str) - 1));
}else
{
r->operand[0] = func;
}
lvar = newtriple(OC_PARAMETER);
outtype->operand[1] = put_tref(lvar);
lvar->operand[0] = output;
outtype->operand[0] = put_ilit(ZSHOW_LOCAL);
ins_triple(r);
return TRUE;
case TK_ATSIGN:
if (!indirection(&output))
{
stx_error(ERR_VAREXPECTED);
return FALSE;
}
r = newtriple(OC_INDRZSHOW);
if (code == ZSHOW_NOPARM)
{
r->operand[0] = put_str(&def_str[0], (SIZEOF(def_str) - 1));
}else
{
r->operand[0] = func;
}
r->operand[1] = output;
return TRUE;
default:
stx_error(ERR_VAREXPECTED);
return FALSE;
}
}
r = maketriple(OC_ZSHOW);
outtype = newtriple(OC_PARAMETER);
r->operand[1] = put_tref(outtype);
if (code == ZSHOW_NOPARM)
{
r->operand[0] = put_str(&def_str[0], (SIZEOF(def_str) - 1));
}else
{
r->operand[0] = func;
}
outtype->operand[0] = put_ilit(ZSHOW_DEVICE);
ins_triple(r);
return TRUE;
}