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.KtExpression;
022 import org.jetbrains.kotlin.psi.ValueArgument;
023 import org.jetbrains.kotlin.resolve.calls.model.*;
024 import org.jetbrains.org.objectweb.asm.Type;
025
026 import java.util.List;
027
028 import static org.jetbrains.kotlin.codegen.AsmUtil.pushDefaultValueOnStack;
029
030 public class CallBasedArgumentGenerator extends ArgumentGenerator {
031 private final ExpressionCodegen codegen;
032 private final CallGenerator callGenerator;
033 private final List<ValueParameterDescriptor> valueParameters;
034 private final List<Type> valueParameterTypes;
035
036 public CallBasedArgumentGenerator(
037 @NotNull ExpressionCodegen codegen,
038 @NotNull CallGenerator callGenerator,
039 @NotNull List<ValueParameterDescriptor> valueParameters,
040 @NotNull List<Type> valueParameterTypes
041 ) {
042 this.codegen = codegen;
043 this.callGenerator = callGenerator;
044 this.valueParameters = valueParameters;
045 this.valueParameterTypes = valueParameterTypes;
046
047 assert valueParameters.size() == valueParameterTypes.size() :
048 "Value parameters and their types mismatch in sizes: " + valueParameters.size() + " != " + valueParameterTypes.size();
049 }
050
051
052 @NotNull
053 @Override
054 public DefaultCallArgs generate(
055 @NotNull List<? extends ResolvedValueArgument> valueArgumentsByIndex,
056 @NotNull List<? extends ResolvedValueArgument> valueArgs
057 ) {
058 boolean shouldMarkLineNumbers = this.codegen.isShouldMarkLineNumbers();
059 this.codegen.setShouldMarkLineNumbers(false);
060 DefaultCallArgs defaultArgs = super.generate(valueArgumentsByIndex, valueArgs);
061 this.codegen.setShouldMarkLineNumbers(shouldMarkLineNumbers);
062 return defaultArgs;
063 }
064
065 @Override
066 protected void generateExpression(int i, @NotNull ExpressionValueArgument argument) {
067 ValueParameterDescriptor parameter = valueParameters.get(i);
068 Type type = valueParameterTypes.get(i);
069 ValueArgument valueArgument = argument.getValueArgument();
070 assert valueArgument != null;
071 KtExpression argumentExpression = valueArgument.getArgumentExpression();
072 assert argumentExpression != null : valueArgument.asElement().getText();
073 callGenerator.genValueAndPut(parameter, argumentExpression, type, i);
074 }
075
076 @Override
077 protected void generateDefault(int i, @NotNull DefaultValueArgument argument) {
078 Type type = valueParameterTypes.get(i);
079 pushDefaultValueOnStack(type, codegen.v);
080 callGenerator.afterParameterPut(type, null, i);
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, i);
089 }
090
091 @Override
092 protected void reorderArgumentsIfNeeded(@NotNull List<ArgumentAndDeclIndex> actualArgsWithDeclIndex) {
093 callGenerator.reorderArgumentsIfNeeded(actualArgsWithDeclIndex, valueParameterTypes);
094 }
095 }