| /* |
| * Copyright 2007 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.dev.js.FlatteningVisitor.TreeNode; |
| import com.google.gwt.dev.js.ast.JsArrayAccess; |
| import com.google.gwt.dev.js.ast.JsArrayLiteral; |
| import com.google.gwt.dev.js.ast.JsBinaryOperation; |
| import com.google.gwt.dev.js.ast.JsBlock; |
| import com.google.gwt.dev.js.ast.JsBooleanLiteral; |
| import com.google.gwt.dev.js.ast.JsBreak; |
| import com.google.gwt.dev.js.ast.JsCase; |
| import com.google.gwt.dev.js.ast.JsCatch; |
| import com.google.gwt.dev.js.ast.JsConditional; |
| import com.google.gwt.dev.js.ast.JsContext; |
| import com.google.gwt.dev.js.ast.JsContinue; |
| import com.google.gwt.dev.js.ast.JsDebugger; |
| import com.google.gwt.dev.js.ast.JsDefault; |
| import com.google.gwt.dev.js.ast.JsDoWhile; |
| import com.google.gwt.dev.js.ast.JsEmpty; |
| import com.google.gwt.dev.js.ast.JsExprStmt; |
| import com.google.gwt.dev.js.ast.JsFor; |
| import com.google.gwt.dev.js.ast.JsForIn; |
| import com.google.gwt.dev.js.ast.JsFunction; |
| import com.google.gwt.dev.js.ast.JsIf; |
| import com.google.gwt.dev.js.ast.JsInvocation; |
| import com.google.gwt.dev.js.ast.JsLabel; |
| import com.google.gwt.dev.js.ast.JsName; |
| import com.google.gwt.dev.js.ast.JsNameRef; |
| import com.google.gwt.dev.js.ast.JsNew; |
| import com.google.gwt.dev.js.ast.JsNullLiteral; |
| import com.google.gwt.dev.js.ast.JsNumberLiteral; |
| import com.google.gwt.dev.js.ast.JsObjectLiteral; |
| import com.google.gwt.dev.js.ast.JsParameter; |
| import com.google.gwt.dev.js.ast.JsPostfixOperation; |
| import com.google.gwt.dev.js.ast.JsPrefixOperation; |
| import com.google.gwt.dev.js.ast.JsProgram; |
| import com.google.gwt.dev.js.ast.JsPropertyInitializer; |
| import com.google.gwt.dev.js.ast.JsRegExp; |
| import com.google.gwt.dev.js.ast.JsReturn; |
| import com.google.gwt.dev.js.ast.JsStatement; |
| import com.google.gwt.dev.js.ast.JsStringLiteral; |
| import com.google.gwt.dev.js.ast.JsSwitch; |
| import com.google.gwt.dev.js.ast.JsThisRef; |
| import com.google.gwt.dev.js.ast.JsThrow; |
| import com.google.gwt.dev.js.ast.JsTry; |
| import com.google.gwt.dev.js.ast.JsVars; |
| import com.google.gwt.dev.js.ast.JsVars.JsVar; |
| import com.google.gwt.dev.js.ast.JsVisitable; |
| import com.google.gwt.dev.js.ast.JsVisitor; |
| import com.google.gwt.dev.js.ast.JsWhile; |
| |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| |
| import java.util.List; |
| |
| public class ComparingVisitor extends JsVisitor { |
| |
| public static void exec(List<JsStatement> expected, List<JsStatement> actual) { |
| TreeNode expectedTree = FlatteningVisitor.exec(expected); |
| TreeNode actualTree = FlatteningVisitor.exec(actual); |
| compare(expectedTree, actualTree); |
| } |
| |
| private static void compare(JsVisitable expected, JsVisitable actual) { |
| if (expected == actual) { |
| return; |
| } |
| Assert.assertNotNull(expected); |
| Assert.assertNotNull(actual); |
| ComparingVisitor visitor = new ComparingVisitor(expected); |
| visitor.accept(actual); |
| } |
| |
| private static void compare(TreeNode expected, TreeNode actual) { |
| compare(expected.node, actual.node); |
| List<TreeNode> expectedChildren = expected.children; |
| List<TreeNode> actualChildren = actual.children; |
| Assert.assertEquals(expectedChildren.size(), actualChildren.size()); |
| for (int i = 0; i < expectedChildren.size(); i++) { |
| compare(expectedChildren.get(i), actualChildren.get(i)); |
| } |
| } |
| |
| /** |
| * We use a raw type here because Sun's javac will barf all over the casts and |
| * instanceof tests we do all throughout this file. |
| */ |
| private final JsVisitable other; |
| |
| private ComparingVisitor(JsVisitable other) { |
| this.other = other; |
| } |
| |
| @Override |
| public boolean visit(JsArrayAccess x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsArrayAccess); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsArrayLiteral x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsArrayLiteral); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsBinaryOperation x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsBinaryOperation); |
| Assert.assertEquals(((JsBinaryOperation) other).getOperator().getSymbol(), |
| x.getOperator().getSymbol()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsBlock x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsBlock); |
| Assert.assertEquals(((JsBlock) other).isGlobalBlock(), x.isGlobalBlock()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsBooleanLiteral x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsBooleanLiteral); |
| Assert.assertEquals(((JsBooleanLiteral) other).getValue(), x.getValue()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsBreak x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsBreak); |
| Assert.assertEquals(((JsBreak) other).getLabel().getIdent(), |
| x.getLabel().getIdent()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsCase x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsCase); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsCatch x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsCatch); |
| Assert.assertEquals(((JsCatch) other).getParameter().getName().getIdent(), |
| x.getParameter().getName().getIdent()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsConditional x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsConditional); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsContinue x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsContinue); |
| Assert.assertEquals(((JsContinue) other).getLabel().getIdent(), |
| x.getLabel().getIdent()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsDebugger x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsDebugger); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsDefault x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsDefault); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsDoWhile x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsDoWhile); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsEmpty x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsEmpty); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsExprStmt x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsExprStmt); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsFor x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsFor); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsForIn x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsForIn); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsFunction x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsFunction); |
| JsFunction otherFunc = (JsFunction) other; |
| JsName otherName = otherFunc.getName(); |
| JsName name = x.getName(); |
| if (name != otherName) { |
| Assert.assertEquals(otherName.getIdent(), name.getIdent()); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsIf x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsIf); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsInvocation x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsInvocation); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsLabel x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsLabel); |
| Assert.assertEquals(((JsLabel) other).getName().getIdent(), |
| x.getName().getIdent()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsNameRef x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsNameRef); |
| Assert.assertEquals(((JsNameRef) other).getIdent(), x.getIdent()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsNew x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsNew); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsNullLiteral x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsNullLiteral); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsNumberLiteral x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsNumberLiteral); |
| Assert.assertEquals(((JsNumberLiteral) other).getValue(), x.getValue()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsObjectLiteral x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsObjectLiteral); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsParameter x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsParameter); |
| Assert.assertEquals(((JsParameter) other).getName().getIdent(), |
| x.getName().getIdent()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsPostfixOperation x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsPostfixOperation); |
| Assert.assertEquals(((JsPostfixOperation) other).getOperator().getSymbol(), |
| x.getOperator().getSymbol()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsPrefixOperation x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsPrefixOperation); |
| Assert.assertEquals(((JsPrefixOperation) other).getOperator().getSymbol(), |
| x.getOperator().getSymbol()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsProgram x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsProgram); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsPropertyInitializer x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsPropertyInitializer); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsRegExp x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsRegExp); |
| Assert.assertEquals(((JsRegExp) other).getFlags(), x.getFlags()); |
| Assert.assertEquals(((JsRegExp) other).getPattern(), x.getPattern()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsReturn x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsReturn); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsStringLiteral x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsStringLiteral); |
| Assert.assertEquals(((JsStringLiteral) other).getValue(), x.getValue()); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsSwitch x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsSwitch); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsThisRef x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsThisRef); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsThrow x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsThrow); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsTry x, JsContext ctx) { |
| Assert.assertTrue(other instanceof JsTry); |
| return false; |
| } |
| |
| @Override |
| public boolean visit(JsVar x, JsContext ctx) { |
| TestCase.assertTrue(other instanceof JsVar); |
| TestCase.assertEquals(((JsVar) other).getName().getIdent(), |
| x.getName().getIdent()); |
| return false; |
| } |
| |
| public boolean visit(JsVars x, JsContext ctx) { |
| TestCase.assertTrue(other instanceof JsVars); |
| return false; |
| } |
| |
| public boolean visit(JsWhile x, JsContext ctx) { |
| TestCase.assertTrue(other instanceof JsWhile); |
| return false; |
| } |
| } |