/*
* Copyright 2008 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 com.google.gwt.dev.js;
import com.google.gwt.core.ext.soyc.Range;
import com.google.gwt.dev.jjs.HasSourceInfo;
import com.google.gwt.dev.jjs.SourceInfo;
import com.google.gwt.dev.jjs.impl.JavaToJavaScriptMap;
import com.google.gwt.dev.js.ast.JsVisitable;
import com.google.gwt.dev.util.TextOutput;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* A variation on the standard source generation visitor that records the
* locations of SourceInfo objects in the output.
*/
public class JsReportGenerationVisitor extends JsSourceGenerationVisitorWithSizeBreakdown {
private final Map<Range, SourceInfo> sourceInfoMap = new HashMap<Range, SourceInfo>();
private final TextOutput out;
public JsReportGenerationVisitor(TextOutput out, JavaToJavaScriptMap map) {
super(out, map);
this.out = out;
}
public Map<Range, SourceInfo> getSourceInfoMap() {
return Collections.unmodifiableMap(sourceInfoMap);
}
@Override
protected <T extends JsVisitable<T>> T doAccept(T node) {
boolean addEntry = node instanceof HasSourceInfo;
int start = addEntry ? out.getPosition() : 0;
T toReturn = super.doAccept(node);
if (addEntry) {
SourceInfo info = ((HasSourceInfo) node).getSourceInfo();
sourceInfoMap.put(new Range(start, out.getPosition()), info);
}
return toReturn;
}
@Override
protected <T extends JsVisitable<T>> void doAcceptList(List<T> collection) {
for (T t : collection) {
doAccept(t);
}
}
@Override
protected <T extends JsVisitable<T>> void doAcceptWithInsertRemove(
List<T> collection) {
for (T t : collection) {
doAccept(t);
}
}
}