fis-gtm/sr_port/f_text.c

131 lines
3.8 KiB
C

/****************************************************************
* *
* Copyright 2001, 2011 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 "cmd_qlf.h"
#include "advancewindow.h"
#include "gtm_caseconv.h"
static readonly mstr zero_mstr;
GBLREF boolean_t run_time;
GBLREF mident routine_name;
GBLREF command_qualifier cmd_qlf;
error_def(ERR_RTNNAME);
error_def(ERR_TEXTARG);
int f_text(oprtype *a, opctype op)
{
int implicit_offset = 0;
triple *label, *r;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
r = maketriple(op);
switch (TREF(window_token))
{
case TK_CIRCUMFLEX:
implicit_offset = 1;
/* CAUTION - fall-through */
case TK_PLUS:
r->operand[0] = put_str(zero_mstr.addr, 0); /* Null label - top of routine */
break;
case TK_INTLIT:
int_label();
/* CAUTION - fall through */
case TK_IDENT:
if (!(cmd_qlf.qlf & CQ_LOWER_LABELS))
lower_to_upper((uchar_ptr_t)(TREF(window_ident)).addr, (uchar_ptr_t)(TREF(window_ident)).addr,
(TREF(window_ident)).len);
r->operand[0] = put_str((TREF(window_ident)).addr, (TREF(window_ident)).len);
advancewindow();
break;
case TK_ATSIGN:
if (!indirection(&(r->operand[0])))
return FALSE;
r->opcode = OC_INDTEXT;
break;
default:
stx_error(ERR_TEXTARG);
return FALSE;
}
/* The assert below can be useful when working on $TEXT parsing issues but causes problems in debug builds with
* bad syntax asserts. Hence it is normally commented out. Uncomment to re-enable for $TEXT parsing issues.
*/
/* assert((TK_PLUS == TREF(window_token)) || (TK_CIRCUMFLEX == TREF(window_token)) || (TK_RPAREN == TREF(window_token))
* || (TK_EOL == TREF(window_token)));
*/
if ((OC_INDTEXT != r->opcode) || (TK_PLUS == TREF(window_token)) || (TK_CIRCUMFLEX == TREF(window_token)))
{ /* Need another parm chained in to deal with offset and routine name except for the case where an
* indirect specifies the entire argument.
*/
label = newtriple(OC_PARAMETER);
r->operand[1] = put_tref(label);
}
if (TK_PLUS != TREF(window_token))
{
if ((OC_INDTEXT != r->opcode) || (TK_CIRCUMFLEX == TREF(window_token)))
/* Set default offset (0 or 1 as computed above) when offset not specified */
label->operand[0] = put_ilit(implicit_offset);
else
{ /* Fill in indirect text for case where indirect specifies entire operand */
r->opcode = OC_INDFUN;
r->operand[1] = put_ilit((mint)indir_fntext);
}
} else
{ /* Process offset */
advancewindow();
if (EXPR_FAIL == expr(&(label->operand[0]), MUMPS_INT))
return FALSE;
}
if (TK_CIRCUMFLEX != TREF(window_token))
{ /* No routine specified - default to current routine */
if (OC_INDFUN != r->opcode)
{
if (!run_time)
label->operand[1] = put_str(routine_name.addr, routine_name.len);
else
label->operand[1] = put_tref(newtriple(OC_CURRTN));
}
} else
{ /* Routine has been specified - pull it */
advancewindow();
switch (TREF(window_token))
{
case TK_IDENT:
# ifdef GTM_TRIGGER
if (TK_HASH == TREF(director_token))
/* Coagulate tokens as necessary (and available) to allow '#' in the routine name */
advwindw_hash_in_mname_allowed();
# endif
label->operand[1] = put_str((TREF(window_ident)).addr, (TREF(window_ident)).len);
advancewindow();
break;
case TK_ATSIGN:
if (!indirection(&label->operand[1]))
return FALSE;
r->opcode = OC_INDTEXT;
break;
default:
stx_error(ERR_RTNNAME);
return FALSE;
}
}
ins_triple(r);
*a = put_tref(r);
return TRUE;
}