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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()
- {
- 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()
- {
- 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()
- {
- insymbol();
- if (make_integer(expr()) == shorttype) make_long(); /* Wdw-id */
- gen("jsr","_ChangeOutputWdw"," ");
- gen("addq","#4","sp");
- enter_XREF("_ChangeOutputWdw");
- enter_XREF("_IntuitionBase");
- }
-