soot.javaToJimple.LocalUsesChecker Maven / Gradle / Ivy
package soot.javaToJimple;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2004 Jennifer Lhotak
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.util.ArrayList;
import polyglot.ast.Node;
import polyglot.util.IdentityKey;
public class LocalUsesChecker extends polyglot.visit.NodeVisitor {
private final ArrayList locals;
private final ArrayList localDecls;
private final ArrayList news;
public ArrayList getLocals() {
return locals;
}
public ArrayList getNews() {
return news;
}
public ArrayList getLocalDecls() {
return localDecls;
}
public LocalUsesChecker() {
locals = new ArrayList();
localDecls = new ArrayList();
news = new ArrayList();
}
public polyglot.ast.Node leave(polyglot.ast.Node old, polyglot.ast.Node n, polyglot.visit.NodeVisitor visitor) {
if (n instanceof polyglot.ast.Local) {
if (!(locals.contains(new polyglot.util.IdentityKey(((polyglot.ast.Local) n).localInstance())))) {
if (!((polyglot.ast.Local) n).isConstant()) {
locals.add(new polyglot.util.IdentityKey(((polyglot.ast.Local) n).localInstance()));
}
}
}
if (n instanceof polyglot.ast.LocalDecl) {
localDecls.add(new polyglot.util.IdentityKey(((polyglot.ast.LocalDecl) n).localInstance()));
}
if (n instanceof polyglot.ast.Formal) {
localDecls.add(new polyglot.util.IdentityKey(((polyglot.ast.Formal) n).localInstance()));
}
if (n instanceof polyglot.ast.New) {
news.add(n);
}
return n;
}
}