MultiplexingImportMatchLocatorParser.java example

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/*
 * Copyright 2009-2016 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.codehaus.jdt.groovy.integration.internal;

import org.codehaus.jdt.groovy.internal.compiler.ast.GroovyParser;
import org.eclipse.jdt.groovy.core.util.ContentTypeUtils;
import org.eclipse.jdt.internal.compiler.CompilationResult;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
import org.eclipse.jdt.internal.core.search.matching.ImportMatchLocatorParser;
import org.eclipse.jdt.internal.core.search.matching.MatchLocator;
import org.eclipse.jdt.internal.core.search.matching.PossibleMatch;

/**
 * @author Andrew Eisenberg
 * @created Nov 17, 2009
 *
 */
public class MultiplexingImportMatchLocatorParser extends ImportMatchLocatorParser {
    GroovyParser groovyParser;

    protected MultiplexingImportMatchLocatorParser(ProblemReporter problemReporter, MatchLocator locator) {
        super(problemReporter, locator);
        // The superclass that is extended is in charge of parsing .java files
        groovyParser = new GroovyParser(locator.options, problemReporter, false, true);
    }

    @Override
    public CompilationUnitDeclaration dietParse(ICompilationUnit sourceUnit, CompilationResult compilationResult) {
        if ((sourceUnit instanceof PossibleMatch && ((PossibleMatch) sourceUnit).isInterestingSourceFile())
                || ContentTypeUtils.isGroovyLikeFileName(sourceUnit.getFileName())) {
            // FIXASC Is it ok to use a new parser here everytime? If we don't we sometimes recurse back into the first one
            // FIXASC ought to reuse to ensure types end up in same groovy CU
            return new GroovyParser(this.groovyParser.getCompilerOptions(), this.groovyParser.problemReporter, false, true)
                    .dietParse(sourceUnit, compilationResult);
            // return groovyParser.dietParse(sourceUnit, compilationResult);
        } else {
            return super.dietParse(sourceUnit, compilationResult);
        }
    }
}