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- /* << ACE >>
-
- -- Amiga BASIC Compiler --
-
- ** Parser: window functions **
- ** Copyright (C) 1998 David Benn
- **
- ** This program is free software; you can redistribute it and/or
- ** modify it under the terms of the GNU General Public License
- ** as published by the Free Software Foundation; either version 2
- ** of the License, or (at your option) any later version.
- **
- ** This program is distributed in the hope that it will be useful,
- ** but WITHOUT ANY WARRANTY; without even the implied warranty of
- ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ** GNU General Public License for more details.
- **
- ** You should have received a copy of the GNU General Public License
- ** along with this program; if not, write to the Free Software
- ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- Author: David J Benn
- Date: 26th October-30th November, 1st-13th December 1991,
- 14th,20th-27th January 1992,
- 2nd-17th, 21st-29th February 1992,
- 1st,13th,14th,22nd,23rd March 1992,
- 21st,22nd April 1992,
- 2nd,3rd,11th,15th,16th May 1992,
- 7th,8th,9th,11th,13th,14th,28th,29th,30th June 1992,
- 2nd-8th,14th-19th,26th-29th July 1992,
- 1st-3rd,7th,8th,9th August 1992,
- 6th,7th December 1992,
- 24th,26th October 1993,
- 15th November 1993,
- 30th April 1994
- */
-
- #include "acedef.h"
-
- /* externals */
- extern int sym;
- extern int lastsym;
-
- /* functions */
- void window (void)
- {
- int wtype;
-
- /* WINDOW wdw-id[,title],rectangle[,type][,screen-id]
- WINDOW CLOSE wdw-id
- WINDOW OUTPUT wdw-id
- WINDOW ON | OFF | STOP
- */
-
- insymbol ();
-
- if (sym == onsym || sym == offsym || sym == stopsym)
- change_event_trapping_status (lastsym);
- else if (sym == closesym)
- wdwclose ();
- else if (sym == outputsym)
- wdwoutput ();
- else
- {
- /* open a window */
- if (make_integer (expr ()) == shorttype)
- make_long (); /* Wdw-id */
- if (sym != comma)
- _error (16);
- else
- {
- insymbol ();
- if (sym != comma)
- {
- wtype = expr ();
- if (wtype != stringtype)
- _error (4); /* type mismatch */
- }
- else
- gen ("move.l", "#0", "-(sp)"); /* NULL */
-
- if (sym != comma)
- _error (16);
- else
- {
- insymbol ();
- if (sym != lparen)
- _error (14);
- else
- {
- insymbol ();
- if (make_integer (expr ()) == shorttype)
- make_long (); /* x1 */
- if (sym != comma)
- _error (16);
- else
- {
- insymbol ();
- if (make_integer (expr ()) == shorttype)
- make_long (); /* y1 */
- if (sym != rparen)
- _error (9);
- else
- {
- insymbol ();
- if (sym != minus)
- _error (21);
- else
- {
- insymbol ();
- if (sym != lparen)
- _error (14);
- else
- {
- insymbol ();
- if (make_integer (expr ()) == shorttype)
- make_long (); /* x2 */
- if (sym != comma)
- _error (16);
- else
- {
- insymbol ();
- if (make_integer (expr ()) == shorttype)
- make_long (); /* y2 */
- if (sym != rparen)
- _error (9);
- }
-
- insymbol ();
-
- /* optional window type */
- if (sym == comma)
- {
- insymbol ();
- if (sym != comma)
- {
- if (make_integer (expr ()) == shorttype)
- make_long (); /* type */
- }
- else
- gen ("move.l", "#-1", "-(sp)");
- }
- else
- gen ("move.l", "#-1", "-(sp)");
-
- /* optional screen-id */
- if (sym == comma)
- {
- insymbol ();
- if (sym != comma)
- {
- if (make_integer (expr ()) == shorttype)
- make_long (); /* scrn-id */
- }
- else
- gen ("move.l", "#0", "-(sp)");
- }
- else
- gen ("move.l", "#0", "-(sp)");
-
- /* call open-window routine */
- gen ("jsr", "_OpenWdw", " ");
- gen ("add.l", "#32", "sp");
- enter_XREF ("_OpenWdw");
- enter_XREF ("_IntuitionBase");
- enter_XREF ("_GfxBase");
- }
- }
- }
- }
- }
- }
- }
- }
- }
-
- void wdwclose (void)
- {
- insymbol ();
- if (make_integer (expr ()) == shorttype)
- make_long (); /* Wdw-id */
- gen ("jsr", "_CloseWdw", " ");
- gen ("addq", "#4", "sp");
- enter_XREF ("_CloseWdw");
- enter_XREF ("_IntuitionBase");
- }
-
- void wdwoutput (void)
- {
- insymbol ();
- if (make_integer (expr ()) == shorttype)
- make_long (); /* Wdw-id */
- gen ("jsr", "_ChangeOutputWdw", " ");
- gen ("addq", "#4", "sp");
- enter_XREF ("_ChangeOutputWdw");
- enter_XREF ("_IntuitionBase");
- }
-