org.codehaus.groovy.tools.gse.DependencyTracker Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.codehaus.groovy.tools.gse;
import org.codehaus.groovy.ast.AnnotatedNode;
import org.codehaus.groovy.ast.AnnotationNode;
import org.codehaus.groovy.ast.ClassCodeVisitorSupport;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.FieldNode;
import org.codehaus.groovy.ast.MethodNode;
import org.codehaus.groovy.ast.Parameter;
import org.codehaus.groovy.ast.expr.ArrayExpression;
import org.codehaus.groovy.ast.expr.CastExpression;
import org.codehaus.groovy.ast.expr.ClassExpression;
import org.codehaus.groovy.ast.expr.ConstructorCallExpression;
import org.codehaus.groovy.ast.expr.VariableExpression;
import org.codehaus.groovy.ast.stmt.CatchStatement;
import org.codehaus.groovy.control.SourceUnit;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public class DependencyTracker extends ClassCodeVisitorSupport {
private Set current;
private Map precompiledDependencies;
private SourceUnit source;
private StringSetMap cache;
public DependencyTracker(SourceUnit source, StringSetMap cache) {
this(source, cache, new HashMap());
}
public DependencyTracker(SourceUnit source, StringSetMap cache, Map precompiledEntries) {
this.source = source;
this.cache = cache;
this.precompiledDependencies = precompiledEntries;
}
private void addToCache(ClassNode node){
if (node == null) return;
String name = node.getName();
if (!precompiledDependencies.containsKey(name) &&
!node.isPrimaryClassNode())
{
return;
}
current.add(node.getName());
addToCache(node.getSuperClass());
addToCache(node.getInterfaces());
}
private void addToCache(ClassNode[] nodes){
if (nodes==null) return;
for (ClassNode node : nodes) addToCache(node);
}
@Override
public void visitClass(ClassNode node) {
Set old = current;
current = cache.get(node.getName());
addToCache(node);
super.visitClass(node);
current = old;
}
@Override
protected SourceUnit getSourceUnit() {
return source;
}
@Override
public void visitClassExpression(ClassExpression expression) {
super.visitClassExpression(expression);
addToCache(expression.getType());
}
@Override
public void visitField(FieldNode node) {
super.visitField(node);
addToCache(node.getType());
}
@Override
public void visitMethod(MethodNode node) {
for (Parameter p : node.getParameters()) {
addToCache(p.getType());
}
addToCache(node.getReturnType());
addToCache(node.getExceptions());
super.visitMethod(node);
}
@Override
public void visitArrayExpression(ArrayExpression expression) {
super.visitArrayExpression(expression);
addToCache(expression.getType());
}
@Override
public void visitCastExpression(CastExpression expression) {
super.visitCastExpression(expression);
addToCache(expression.getType());
}
@Override
public void visitVariableExpression(VariableExpression expression) {
super.visitVariableExpression(expression);
addToCache(expression.getType());
}
@Override
public void visitCatchStatement(CatchStatement statement) {
super.visitCatchStatement(statement);
addToCache(statement.getVariable().getType());
}
@Override
public void visitAnnotations(AnnotatedNode node) {
super.visitAnnotations(node);
for (AnnotationNode an : node.getAnnotations()) {
addToCache(an.getClassNode());
}
}
@Override
public void visitConstructorCallExpression(ConstructorCallExpression call) {
super.visitConstructorCallExpression(call);
addToCache(call.getType());
}
}