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.jet.codegen.intrinsics;
018
019import com.intellij.psi.PsiElement;
020import org.jetbrains.annotations.NotNull;
021import org.jetbrains.asm4.Type;
022import org.jetbrains.asm4.commons.InstructionAdapter;
023import org.jetbrains.jet.codegen.ExpressionCodegen;
024import org.jetbrains.jet.codegen.PropertyCodegen;
025import org.jetbrains.jet.codegen.StackValue;
026import org.jetbrains.jet.codegen.state.GenerationState;
027import org.jetbrains.jet.lang.psi.JetExpression;
028import org.jetbrains.jet.lang.resolve.java.AsmTypeConstants;
029import org.jetbrains.jet.lang.resolve.java.JvmClassName;
030import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
031import org.jetbrains.jet.lang.resolve.name.FqName;
032import org.jetbrains.jet.lang.resolve.name.Name;
033
034import java.util.List;
035
036public class PropertyOfProgressionOrRange implements IntrinsicMethod {
037    private final FqName ownerClass;
038    private final Name propertyName;
039
040    public PropertyOfProgressionOrRange(@NotNull FqName ownerClass, @NotNull Name propertyName) {
041        this.ownerClass = ownerClass;
042        this.propertyName = propertyName;
043    }
044
045    @Override
046    public StackValue generate(
047            ExpressionCodegen codegen,
048            InstructionAdapter v,
049            @NotNull Type expectedType,
050            PsiElement element,
051            List<JetExpression> arguments,
052            StackValue receiver,
053            @NotNull GenerationState state
054    ) {
055        String ownerInternalName = JvmClassName.byFqNameWithoutInnerClasses(this.ownerClass).getInternalName();
056        JvmClassName wrapperClass = JvmPrimitiveType.getByAsmType(expectedType).getWrapper();
057        String getterName = PropertyCodegen.getterName(propertyName);
058
059        receiver.put(AsmTypeConstants.OBJECT_TYPE, v);
060        v.invokevirtual(ownerInternalName, getterName, "()" + wrapperClass.getDescriptor());
061        StackValue.coerce(wrapperClass.getAsmType(), expectedType, v);
062        return StackValue.onStack(expectedType);
063    }
064}