001    /*
002     * Copyright 2010-2015 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.kotlin.codegen;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor;
021    import org.jetbrains.kotlin.psi.JetExpression;
022    import org.jetbrains.kotlin.psi.ValueArgument;
023    import org.jetbrains.kotlin.resolve.calls.model.DefaultValueArgument;
024    import org.jetbrains.kotlin.resolve.calls.model.ExpressionValueArgument;
025    import org.jetbrains.kotlin.resolve.calls.model.ResolvedValueArgument;
026    import org.jetbrains.kotlin.resolve.calls.model.VarargValueArgument;
027    import org.jetbrains.org.objectweb.asm.Type;
028    
029    import java.util.List;
030    
031    import static org.jetbrains.kotlin.codegen.AsmUtil.pushDefaultValueOnStack;
032    
033    public class CallBasedArgumentGenerator extends ArgumentGenerator {
034        private final ExpressionCodegen codegen;
035        private final CallGenerator callGenerator;
036        private final List<ValueParameterDescriptor> valueParameters;
037        private final List<Type> valueParameterTypes;
038    
039        public CallBasedArgumentGenerator(
040                @NotNull ExpressionCodegen codegen,
041                @NotNull CallGenerator callGenerator,
042                @NotNull List<ValueParameterDescriptor> valueParameters,
043                @NotNull List<Type> valueParameterTypes
044        ) {
045            this.codegen = codegen;
046            this.callGenerator = callGenerator;
047            this.valueParameters = valueParameters;
048            this.valueParameterTypes = valueParameterTypes;
049    
050            assert valueParameters.size() == valueParameterTypes.size() :
051                    "Value parameters and their types mismatch in sizes: " + valueParameters.size() + " != " + valueParameterTypes.size();
052        }
053    
054        @NotNull
055        @Override
056        public List<Integer> generate(@NotNull List<ResolvedValueArgument> valueArguments) {
057            boolean shouldMarkLineNumbers = codegen.isShouldMarkLineNumbers();
058            codegen.setShouldMarkLineNumbers(false);
059            List<Integer> masks = super.generate(valueArguments);
060            codegen.setShouldMarkLineNumbers(shouldMarkLineNumbers);
061            return masks;
062        }
063    
064        @Override
065        protected void generateExpression(int i, @NotNull ExpressionValueArgument argument) {
066            ValueParameterDescriptor parameter = valueParameters.get(i);
067            Type type = valueParameterTypes.get(i);
068            ValueArgument valueArgument = argument.getValueArgument();
069            assert valueArgument != null;
070            JetExpression argumentExpression = valueArgument.getArgumentExpression();
071            assert argumentExpression != null : valueArgument.asElement().getText();
072            callGenerator.genValueAndPut(parameter, argumentExpression, type);
073        }
074    
075        @Override
076        protected void generateDefault(int i, @NotNull DefaultValueArgument argument) {
077            ValueParameterDescriptor parameter = valueParameters.get(i);
078            Type type = valueParameterTypes.get(i);
079            pushDefaultValueOnStack(type, codegen.v);
080            callGenerator.afterParameterPut(type, null, parameter);
081        }
082    
083        @Override
084        protected void generateVararg(int i, @NotNull VarargValueArgument argument) {
085            ValueParameterDescriptor parameter = valueParameters.get(i);
086            Type type = valueParameterTypes.get(i);
087            codegen.genVarargs(argument, parameter.getType());
088            callGenerator.afterParameterPut(type, null, parameter);
089        }
090    }