| /* |
| * 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.TreeLogger; |
| import com.google.gwt.core.ext.TreeLogger.Type; |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.dev.common.InliningMode; |
| import com.google.gwt.dev.jjs.ast.JMethod; |
| import com.google.gwt.dev.jjs.impl.JavaToJavaScriptMap; |
| import com.google.gwt.dev.js.ast.JsContext; |
| import com.google.gwt.dev.js.ast.JsFunction; |
| import com.google.gwt.dev.js.ast.JsProgram; |
| import com.google.gwt.dev.js.ast.JsVisitor; |
| |
| /** |
| * Makes sure methods marked with @ForceInline are actually inlined in optimized mode. |
| */ |
| public class JsForceInliningChecker { |
| private static final String NAME = JsForceInliningChecker.class.getSimpleName(); |
| |
| /** |
| * Determines if the evaluation of a JsNode may be affected by side effects. |
| */ |
| private static class ForceInliningCheckerVisitor extends JsVisitor { |
| |
| private final TreeLogger logger; |
| private boolean error = false; |
| private JavaToJavaScriptMap javaToJavaScriptMap; |
| |
| private ForceInliningCheckerVisitor( |
| TreeLogger logger, JavaToJavaScriptMap javaToJavaScriptMap) { |
| this.logger = logger; |
| this.javaToJavaScriptMap = javaToJavaScriptMap; |
| } |
| |
| @Override |
| public void endVisit(JsFunction x, JsContext ctx) { |
| if (x.getInliningMode() == InliningMode.FORCE_INLINE) { |
| JMethod originalMethod = javaToJavaScriptMap.nameToMethod(x.getName()); |
| String methodName = originalMethod != null ? originalMethod.toString() : |
| x.getName().getShortIdent(); |
| logger.log(Type.ERROR, "Function " + methodName |
| + " is marked as @ForceInline but it could not be inlined"); |
| error = true; |
| } |
| } |
| } |
| |
| /** |
| * Static entry point used by JavaToJavaScriptCompiler. |
| */ |
| public static void check(TreeLogger logger, JavaToJavaScriptMap javaToJavaScriptMap, |
| JsProgram program) throws UnableToCompleteException { |
| ForceInliningCheckerVisitor visitor = |
| new ForceInliningCheckerVisitor(logger, javaToJavaScriptMap); |
| visitor.accept(program); |
| if (visitor.error) { |
| throw new UnableToCompleteException(); |
| } |
| } |
| |
| /** |
| * Utility class. |
| */ |
| private JsForceInliningChecker() { |
| } |
| } |