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.k2js.translate.operation;
018    
019    import com.google.dart.compiler.backend.js.ast.JsExpression;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
022    import org.jetbrains.jet.lang.psi.JetUnaryExpression;
023    import org.jetbrains.k2js.translate.context.TranslationContext;
024    import org.jetbrains.k2js.translate.reference.CallBuilder;
025    
026    import static org.jetbrains.k2js.translate.utils.BindingUtils.getFunctionDescriptorForOperationExpression;
027    
028    public final class OverloadedIncrementTranslator extends IncrementTranslator {
029    
030        @NotNull
031        private final FunctionDescriptor operationDescriptor;
032    
033        /*package*/ OverloadedIncrementTranslator(@NotNull JetUnaryExpression expression,
034                                                  @NotNull TranslationContext context) {
035            super(expression, context);
036            FunctionDescriptor functionDescriptor = getFunctionDescriptorForOperationExpression(context.bindingContext(), expression);
037            assert functionDescriptor != null : "Descriptor should not be null for overloaded increment expression.";
038            this.operationDescriptor = functionDescriptor;
039        }
040    
041    
042        @Override
043        @NotNull
044        protected JsExpression operationExpression(@NotNull JsExpression receiver) {
045            return CallBuilder.build(context())
046                    .receiver(receiver)
047                    .descriptor(operationDescriptor)
048                    .translate();
049        }
050    
051    }