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;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.jet.codegen.context.ClassContext;
022    import org.jetbrains.jet.codegen.state.GenerationState;
023    import org.jetbrains.jet.lang.psi.JetClassOrObject;
024    import org.jetbrains.jet.lang.resolve.DescriptorUtils;
025    
026    import static org.jetbrains.jet.codegen.AsmUtil.writeKotlinSyntheticClassAnnotation;
027    import static org.jetbrains.jet.lang.resolve.java.JvmAnnotationNames.KotlinSyntheticClass;
028    import static org.jetbrains.org.objectweb.asm.Opcodes.*;
029    
030    public class TraitImplBodyCodegen extends ClassBodyCodegen {
031    
032        public TraitImplBodyCodegen(
033                @NotNull JetClassOrObject aClass,
034                @NotNull ClassContext context,
035                @NotNull ClassBuilder v,
036                @NotNull GenerationState state,
037                @Nullable MemberCodegen<?> parentCodegen
038        ) {
039            super(aClass, context, v, state, parentCodegen);
040        }
041    
042        @Override
043        protected void generateDeclaration() {
044            v.defineClass(myClass, V1_6,
045                          ACC_PUBLIC | ACC_FINAL,
046                          typeMapper.mapTraitImpl(descriptor).getInternalName(),
047                          null,
048                          "java/lang/Object",
049                          new String[0]
050            );
051            v.visitSource(myClass.getContainingFile().getName(), null);
052        }
053    
054        @Override
055        protected void generateKotlinAnnotation() {
056            // We write LOCAL_CLASS to local trait-impl, because we don't want PSI classes to be constructed for such files
057            // (currently PSI for synthetic class is built only if this class is a trait-impl, see DecompiledUtils.kt)
058            writeKotlinSyntheticClassAnnotation(v, DescriptorUtils.isTopLevelOrInnerClass(descriptor)
059                                                   ? KotlinSyntheticClass.Kind.TRAIT_IMPL
060                                                   : KotlinSyntheticClass.Kind.LOCAL_CLASS);
061        }
062    }