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.intrinsics;
018    
019    import com.intellij.psi.PsiElement;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.jet.codegen.AsmUtil;
023    import org.jetbrains.jet.codegen.ExpressionCodegen;
024    import org.jetbrains.jet.codegen.StackValue;
025    import org.jetbrains.jet.lang.psi.JetExpression;
026    import org.jetbrains.org.objectweb.asm.Type;
027    import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter;
028    
029    import java.util.List;
030    
031    import static org.jetbrains.jet.codegen.AsmUtil.boxType;
032    import static org.jetbrains.jet.codegen.AsmUtil.isPrimitive;
033    import static org.jetbrains.jet.lang.resolve.java.AsmTypeConstants.getType;
034    
035    public class JavaClassProperty extends IntrinsicMethod {
036        @NotNull
037        @Override
038        public Type generateImpl(
039                @NotNull ExpressionCodegen codegen,
040                @NotNull InstructionAdapter v,
041                @NotNull Type returnType,
042                @Nullable PsiElement element,
043                @NotNull List<JetExpression> arguments,
044                @NotNull StackValue receiver
045        ) {
046            Type type = receiver.type;
047            if (isPrimitive(type)) {
048                if (!StackValue.couldSkipReceiverOnStaticCall(receiver)) {
049                    receiver.put(type, v);
050                    AsmUtil.pop(v, type);
051                }
052                v.getstatic(boxType(type).getInternalName(), "TYPE", "Ljava/lang/Class;");
053            }
054            else {
055                receiver.put(type, v);
056                v.invokevirtual("java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
057            }
058    
059            return getType(Class.class);
060        }
061    }