/* // $Id: //guest/julian_hyde/saffron/src/main/saffron/util/ClassCollector.java#1 $ // Saffron preprocessor and data engine // Copyright (C) 2002 Julian Hyde <julian.hyde@mail.com> // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library 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 // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the // Free Software Foundation, Inc., 59 Temple Place - Suite 330, // Boston, MA 02111-1307, USA. // // See the COPYING file located in the top-level-directory of // the archive of this library for complete text of license. */ package saffron.util; import openjava.mop.Environment; import openjava.mop.OJClass; import openjava.ptree.Expression; import openjava.ptree.ParseTreeException; import openjava.ptree.TypeName; import openjava.ptree.Variable; import openjava.ptree.util.ScopeHandler; import java.util.HashSet; /** * <code>ClassCollector</code> walks over an expression tree, calling {@link * openjava.ptree.Expression#getType} and {@link * openjava.ptree.Expression#getRowType} on each node, and forming a set of * distinct types. * * @author jhyde * @since 2 October, 2001 * @version $Id: //guest/julian_hyde/saffron/src/main/saffron/util/ClassCollector.java#1 $ **/ public class ClassCollector extends ScopeHandler { private HashSet classSet = new HashSet(); public ClassCollector(Environment env) { super(env); } private void register(OJClass clazz) { if (clazz == null) { return; } while (clazz.getComponentType() != null) { clazz = clazz.getComponentType(); } classSet.add(clazz); } public Expression evaluateDown(Variable p) throws ParseTreeException { register(Util.getType(getEnvironment(),p)); return super.evaluateDown(p); } public TypeName evaluateDown(TypeName p) throws ParseTreeException { Environment env = getEnvironment(); OJClass clazz = env.lookupClass( env.toQualifiedName( p.getName() ) ); register(clazz); return super.evaluateDown(p); } /* public Expression evaluateDown(CastExpression p) throws ParseTreeException { register(Util.getType(getEnvironment(),p)); return super.evaluateDown(p); } public Expression evaluateDown(AllocationExpression p) throws ParseTreeException { register(Util.getType(getEnvironment(),p)); return super.evaluateDown(p); } public Expression evaluateDown(ArrayAllocationExpression p) throws ParseTreeException { register(Util.getType(getEnvironment(),p)); return super.evaluateDown(p); } */ public OJClass[] getClasses() { return (OJClass[]) classSet.toArray(new OJClass[0]); } } // End ClassCollector.java
# | Change | User | Description | Committed | |
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#2 | 1748 | Julian Hyde |
saffron: convert unit tests to JUnit; add CallingConvention.ITERABLE; lots of other stuff; release 0.1. |
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#1 | 1467 | Julian Hyde |
saffron: First saffron check-in; incorporate my changes to openjava. |