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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.syntax;
import org.codehaus.groovy.ast.AnnotationNode;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.ModuleNode;
import org.codehaus.groovy.ast.PackageNode;
import org.codehaus.groovy.control.SourceUnit;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* A common base class of AST helper methods which can be shared across the classic and new parsers
*
* @author Jochen Theodorou
* @author James Strachan
* @author Bob McWhirter
* @author Sam Pullara
* @author Chris Poirier
*/
public class ASTHelper {
/** The SourceUnit controlling us */
private SourceUnit controller;
/** Our ClassLoader, which provides information on external types */
private ClassLoader classLoader;
protected ModuleNode output;
/** The package name in which the module sits */
private String packageName;
// TODO should this really be static???
protected static Map resolutions = new HashMap(); // cleared on build(), to be safe
public ASTHelper(SourceUnit controller, ClassLoader classLoader) {
this();
this.controller = controller;
this.classLoader = classLoader;
}
public ASTHelper() {
}
public String getPackageName() {
return packageName;
}
public void setPackageName(String packageName) {
setPackage(packageName, new ArrayList());
}
public PackageNode setPackage(String packageName, List annotations) {
this.packageName = packageName;
if (packageName != null && packageName.length() > 0) {
packageName += '.';
}
PackageNode packageNode = new PackageNode(packageName);
packageNode.addAnnotations(annotations);
output.setPackage(packageNode);
return packageNode;
}
/**
* Returns our class loader (as supplied on construction).
*/
public ClassLoader getClassLoader() {
return classLoader;
}
public void setClassLoader(ClassLoader classLoader) {
this.classLoader = classLoader;
}
public SourceUnit getController() {
return controller;
}
public void setController(SourceUnit controller) {
this.controller = controller;
}
/**
* @return Two names joined by a dot. If the base name is
* empty, returns the name unchanged.
* @param base typically a package
* @param name typically a simple unqualified class name
*/
public static String dot(String base, String name) {
if (base != null && base.length() > 0) {
return base + "." + name;
}
return name;
}
protected void makeModule() {
this.output = new ModuleNode(controller);
resolutions.clear();
}
/**
* A synonym for dot( base, "" ).
*/
protected String dot(String base) {
return dot(base, "");
}
protected void addImport(ClassNode type, String name, String aliasName) {
addImport(type, name, aliasName, new ArrayList());
}
protected void addImport(ClassNode type, String name, String aliasName, List annotations) {
if (aliasName == null) aliasName=name;
output.addImport(aliasName, type, annotations);
}
protected void addStaticImport(ClassNode type, String name, String alias) {
addStaticImport(type, name, alias, new ArrayList());
}
protected void addStaticImport(ClassNode type, String name, String alias, List annotations) {
if (alias == null) alias = name;
output.addStaticImport(type, name, alias, annotations);
}
protected void addStaticStarImport(ClassNode type, String importClass) {
addStaticStarImport(type, importClass, new ArrayList());
}
protected void addStaticStarImport(ClassNode type, String importClass, List annotations) {
output.addStaticStarImport(importClass, type, annotations);
}
protected void addStarImport(String importPackage) {
addStarImport(importPackage, new ArrayList());
}
protected void addStarImport(String importPackage, List annotations) {
output.addStarImport( dot(importPackage), annotations );
}
}