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    
017    package org.jetbrains.jet.codegen;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.psi.*;
021    
022    public class CodegenStatementVisitor extends JetVisitor<StackValue, StackValue> {
023        private final ExpressionCodegen codegen;
024    
025        public CodegenStatementVisitor(ExpressionCodegen codegen) {
026            this.codegen = codegen;
027        }
028    
029        @Override
030        public StackValue visitJetElement(@NotNull JetElement element, StackValue receiver) {
031            return element.accept(codegen, receiver);
032        }
033    
034        @Override
035        public StackValue visitIfExpression(@NotNull JetIfExpression expression, StackValue receiver) {
036            return codegen.generateIfExpression(expression, true);
037        }
038    
039        @Override
040        public StackValue visitTryExpression(@NotNull JetTryExpression expression, StackValue data) {
041            return codegen.generateTryExpression(expression, true);
042        }
043    
044        @Override
045        public StackValue visitWhenExpression(@NotNull JetWhenExpression expression, StackValue data) {
046            return codegen.generateWhenExpression(expression, true);
047        }
048    
049        @Override
050        public StackValue visitBlockExpression(@NotNull JetBlockExpression expression, StackValue data) {
051            return codegen.generateBlock(expression, true);
052        }
053    
054        @Override
055        public StackValue visitLabeledExpression(@NotNull JetLabeledExpression expression, StackValue receiver) {
056            JetExpression baseExpression = expression.getBaseExpression();
057            assert baseExpression != null : "Label expression should have base one: " + expression.getText();
058            return baseExpression.accept(this, receiver);
059        }
060    }