Method: WhileLoopObligation(AWhileStm, IPOContextStack, IPogAssistantFactory)

1: /*******************************************************************************
2: *
3: *        Copyright (C) 2008 Fujitsu Services Ltd.
4: *
5: *        Author: Nick Battle
6: *
7: *        This file is part of VDMJ.
8: *
9: *        VDMJ is free software: you can redistribute it and/or modify
10: *        it under the terms of the GNU General Public License as published by
11: *        the Free Software Foundation, either version 3 of the License, or
12: *        (at your option) any later version.
13: *
14: *        VDMJ is distributed in the hope that it will be useful,
15: *        but WITHOUT ANY WARRANTY; without even the implied warranty of
16: *        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: *        GNU General Public License for more details.
18: *
19: *        You should have received a copy of the GNU General Public License
20: *        along with VDMJ. If not, see <http://www.gnu.org/licenses/>.
21: *
22: ******************************************************************************/
23:
24: package org.overture.pog.obligation;
25:
26: import org.overture.ast.analysis.AnalysisException;
27: import org.overture.ast.expressions.AVariableExp;
28: import org.overture.ast.lex.LexNameToken;
29: import org.overture.ast.statements.ASkipStm;
30: import org.overture.ast.statements.AWhileStm;
31: import org.overture.pog.pub.IPOContextStack;
32: import org.overture.pog.pub.IPogAssistantFactory;
33: import org.overture.pog.pub.POType;
34:
35: public class WhileLoopObligation extends ProofObligation
36: {
37:         private static final long serialVersionUID = -3771203462569628826L;
38:
39:         public WhileLoopObligation(AWhileStm stmt, IPOContextStack ctxt,
40:                         IPogAssistantFactory af) throws AnalysisException
41:         {
42:                 super(stmt, POType.WHILE_LOOP, ctxt, stmt.getLocation(), af);
43:                 AWhileStm whileStmt = new AWhileStm();
44:                 whileStmt.setExp(stmt.getExp().clone());
45:                 whileStmt.setStatement(new ASkipStm());
46:
47:                 AVariableExp nyexp = getVarExp(new LexNameToken("", "...", null));
48:                 valuetree.setPredicate(nyexp);
49:
50:                 // valuetree.setPredicate(whileStmt);
51:                 // valuetree.setContext(ctxt.getContextNodeList());
52:         }
53: }