/*
* Copyright 2015 the original author or authors.
*
* 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 org.gradle.groovy.scripts.internal;
import org.codehaus.groovy.ast.stmt.Statement;
import org.codehaus.groovy.control.CompilationFailedException;
import org.codehaus.groovy.control.Phases;
import org.codehaus.groovy.control.SourceUnit;
import org.gradle.api.specs.Spec;
import java.util.ListIterator;
public class FilteringScriptTransformer extends AbstractScriptTransformer {
private final Spec<? super Statement> spec;
public FilteringScriptTransformer(Spec<? super Statement> spec) {
this.spec = spec;
}
@Override
protected int getPhase() {
return Phases.CONVERSION;
}
@Override
public void call(SourceUnit source) throws CompilationFailedException {
ListIterator<Statement> iterator = source.getAST().getStatementBlock().getStatements().listIterator();
while (iterator.hasNext()) {
if (spec.isSatisfiedBy(iterator.next())) {
iterator.remove();
}
}
}
}