com.google.gwt.dev.jjs.impl.VerifySymbolMap Maven / Gradle / Ivy
/*
* Copyright 2012 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.jjs.impl;
import com.google.gwt.core.ext.linker.impl.StandardSymbolData;
import com.google.gwt.dev.jjs.InternalCompilerException;
import com.google.gwt.dev.js.ast.JsContext;
import com.google.gwt.dev.js.ast.JsName;
import com.google.gwt.dev.js.ast.JsNameRef;
import com.google.gwt.dev.js.ast.JsProgram;
import com.google.gwt.dev.js.ast.JsVisitor;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
/**
* Verify the validity of the symbol.
*
* This is by no means complete. At the Javascript AST, we no longer have the
* knowledge we once had in the Java AST. Specify, given a name access.
*/
public class VerifySymbolMap extends JsVisitor {
public static void exec(JsProgram jsProgram, JavaToJavaScriptMap jjsmap,
Map symbolTable ) {
new VerifySymbolMap(jjsmap, symbolTable).accept(jsProgram);
}
private final JavaToJavaScriptMap jjsmap;
private final Set nameMap = new HashSet();
private VerifySymbolMap(
JavaToJavaScriptMap jjsmap,
Map symbolTable) {
this.jjsmap = jjsmap;
for (Entry entry : symbolTable.entrySet()) {
nameMap.add(entry.getValue().getIdent());
}
}
@Override
public void endVisit(JsNameRef x, JsContext ctx) {
JsName name = x.getName();
if (jjsmap.nameToField(name) != null ||
jjsmap.nameToMethod(name) != null ||
jjsmap.nameToType(name) != null) {
String n = name.getIdent();
if (!nameMap.contains(n)) {
throw new InternalCompilerException("Missing symbol in SymbolMap: " + n);
}
}
}
}