/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package noop.interpreter;
import com.google.inject.Inject;
import noop.graph.DefaultModelVisitor;
import noop.graph.Edge;
import noop.graph.ModelVisitor;
import noop.graph.Workspace;
import noop.model.LanguageElement;
import noop.model.Library;
import noop.model.MethodInvocation;
/**
* @author alexeagle@google.com (Alex Eagle)
*/
public class InterpreterVisitor extends DefaultModelVisitor {
private final Context context;
private final Workspace workspace;
private final ModelVisitor modelVisitor;
@Inject
public InterpreterVisitor(Context context, Workspace workspace, ModelVisitor modelVisitor) {
this.context = context;
this.workspace = workspace;
this.modelVisitor = modelVisitor;
}
@Override
public void visit(MethodInvocation methodInvocation) {
Library library = workspace.lookupLibrary(methodInvocation.vertex.libraryUid);
Iterable<Edge> edges = library.edgesFrom(methodInvocation.vertex);
LanguageElement target = null;
for (Edge edge : edges) {
switch (edge.type) {
case TARGET:
target = workspace.resolve(edge.dest);
break;
}
}
modelVisitor.enter(target);
target.accept(modelVisitor);
modelVisitor.leave(target);
}
}