001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.k2js.translate.declaration;
018
019import com.google.dart.compiler.backend.js.ast.JsExpression;
020import com.google.dart.compiler.backend.js.ast.JsPropertyInitializer;
021import com.intellij.util.SmartList;
022import org.jetbrains.annotations.NotNull;
023import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
024import org.jetbrains.jet.lang.descriptors.Modality;
025import org.jetbrains.jet.lang.descriptors.PropertyDescriptor;
026import org.jetbrains.jet.lang.psi.*;
027import org.jetbrains.k2js.translate.context.TranslationContext;
028import org.jetbrains.k2js.translate.general.Translation;
029import org.jetbrains.k2js.translate.general.TranslatorVisitor;
030import org.jetbrains.k2js.translate.utils.BindingUtils;
031import org.jetbrains.k2js.translate.utils.JsAstUtils;
032
033import java.util.List;
034
035import static org.jetbrains.k2js.translate.utils.BindingUtils.getFunctionDescriptor;
036import static org.jetbrains.k2js.translate.utils.BindingUtils.getPropertyDescriptorForObjectDeclaration;
037
038public class DeclarationBodyVisitor extends TranslatorVisitor<Void> {
039    protected final List<JsPropertyInitializer> result = new SmartList<JsPropertyInitializer>();
040
041    public DeclarationBodyVisitor() {
042    }
043
044    @NotNull
045    public List<JsPropertyInitializer> getResult() {
046        return result;
047    }
048
049    @NotNull
050    public List<JsPropertyInitializer> traverseClass(@NotNull JetClassOrObject jetClass,
051            @NotNull TranslationContext context) {
052        for (JetDeclaration declaration : jetClass.getDeclarations()) {
053            declaration.accept(this, context);
054        }
055        return result;
056    }
057
058    @Override
059    public Void visitClass(@NotNull JetClass expression, @NotNull TranslationContext context) {
060        return null;
061    }
062
063    @Override
064    public Void visitNamedFunction(@NotNull JetNamedFunction expression,
065            @NotNull TranslationContext context) {
066        FunctionDescriptor descriptor = getFunctionDescriptor(context.bindingContext(), expression);
067        if (descriptor.getModality() == Modality.ABSTRACT) {
068            return null;
069        }
070
071        JsPropertyInitializer methodAsPropertyInitializer = Translation.functionTranslator(expression, context).translateAsMethod();
072        if (context.isEcma5()) {
073            JsExpression methodBodyExpression = methodAsPropertyInitializer.getValueExpr();
074            methodAsPropertyInitializer.setValueExpr(JsAstUtils.createPropertyDataDescriptor(descriptor, methodBodyExpression));
075        }
076        result.add(methodAsPropertyInitializer);
077        return null;
078    }
079
080    @Override
081    public Void visitProperty(@NotNull JetProperty expression, @NotNull TranslationContext context) {
082        PropertyDescriptor propertyDescriptor = BindingUtils.getPropertyDescriptor(context.bindingContext(), expression);
083        PropertyTranslator.translateAccessors(propertyDescriptor, expression, result, context);
084        return null;
085    }
086
087    @Override
088    public Void visitObjectDeclarationName(@NotNull JetObjectDeclarationName expression,
089            @NotNull TranslationContext context) {
090        if (!context.isEcma5()) {
091            PropertyTranslator
092                    .translateAccessors(getPropertyDescriptorForObjectDeclaration(context.bindingContext(), expression), result, context);
093        }
094
095        return null;
096    }
097
098    @Override
099    public Void visitAnonymousInitializer(@NotNull JetClassInitializer expression, @NotNull TranslationContext context) {
100        // parsed it in initializer visitor => no additional actions are needed
101        return null;
102    }
103}