| (* Copyright (C) 2008 Free Software Foundation, Inc. *) |
| (* This file is part of GNU Modula-2. |
| |
| GNU Modula-2 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, or (at your option) any later |
| version. |
| |
| GNU Modula-2 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 gm2; see the file COPYING. If not, write to the Free Software |
| Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *) |
| |
| MODULE builtinlj ; |
| |
| FROM Builtins IMPORT longjmp, setjmp ; |
| FROM SYSTEM IMPORT ADR, ADDRESS, WORD ; |
| FROM libc IMPORT printf ; |
| |
| PROCEDURE func ; |
| BEGIN |
| r := printf("call longjmp\n") ; |
| longjmp(ADR(env), 1) |
| END func ; |
| |
| VAR |
| env: ARRAY [0..5] OF WORD ; |
| r : INTEGER ; |
| BEGIN |
| IF setjmp(ADR(env))=0 |
| THEN |
| func |
| ELSE |
| r := printf("worked bye\n") |
| END |
| END builtinlj. |