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.load.java;
018    
019    import kotlin.KotlinPackage;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.kotlin.name.ClassId;
022    import org.jetbrains.kotlin.name.FqName;
023    import org.jetbrains.kotlin.name.Name;
024    import org.jetbrains.kotlin.resolve.jvm.JvmClassName;
025    
026    import java.util.Arrays;
027    import java.util.HashSet;
028    import java.util.Set;
029    
030    public final class JvmAnnotationNames {
031        public static final FqName KOTLIN_CLASS = KotlinClass.CLASS_NAME.getFqNameForClassNameWithoutDollars();
032        public static final FqName KOTLIN_PACKAGE = new FqName("kotlin.jvm.internal.KotlinPackage");
033        public static final FqName KOTLIN_FILE_FACADE = new FqName("kotlin.jvm.internal.KotlinFileFacade");
034        public static final FqName KOTLIN_MULTIFILE_CLASS = new FqName("kotlin.jvm.internal.KotlinMultifileClass");
035        public static final FqName KOTLIN_MULTIFILE_CLASS_PART = new FqName("kotlin.jvm.internal.KotlinMultifileClassPart");
036        public static final FqName KOTLIN_CALLABLE = new FqName("kotlin.jvm.internal.KotlinCallable");
037    
038        public static final FqName KOTLIN_SIGNATURE = new FqName("kotlin.jvm.KotlinSignature");
039        public static final FqName OLD_KOTLIN_SIGNATURE = new FqName("jet.runtime.typeinfo.KotlinSignature");
040    
041        public static final String VERSION_FIELD_NAME = "version";
042        public static final String KIND_FIELD_NAME = "kind";
043        public static final String FILE_PART_CLASS_NAMES_FIELD_NAME = "filePartClassNames";
044        public static final String MULTIFILE_CLASS_NAME_FIELD_NAME = "multifileClassName";
045        public static final String DATA_FIELD_NAME = "data";
046        public static final Name DEFAULT_ANNOTATION_MEMBER_NAME = Name.identifier("value");
047        public static final Name TARGET_ANNOTATION_MEMBER_NAME = Name.identifier("allowedTargets");
048    
049        public static final FqName TARGET_ANNOTATION = new FqName("java.lang.annotation.Target");
050        public static final FqName RETENTION_ANNOTATION = new FqName("java.lang.annotation.Retention");
051        public static final FqName DOCUMENTED_ANNOTATION = new FqName("java.lang.annotation.Documented");
052    
053        public static final FqName JETBRAINS_NOT_NULL_ANNOTATION = new FqName("org.jetbrains.annotations.NotNull");
054        public static final FqName JETBRAINS_NULLABLE_ANNOTATION = new FqName("org.jetbrains.annotations.Nullable");
055        public static final FqName JETBRAINS_MUTABLE_ANNOTATION = new FqName("org.jetbrains.annotations.Mutable");
056        public static final FqName JETBRAINS_READONLY_ANNOTATION = new FqName("org.jetbrains.annotations.ReadOnly");
057    
058        public static final FqName PURELY_IMPLEMENTS_ANNOTATION = new FqName("kotlin.jvm.PurelyImplements");
059    
060        // Just for internal use: there is no such real classes in bytecode
061        public static final FqName ENHANCED_NULLABILITY_ANNOTATION = new FqName("kotlin.jvm.internal.EnhancedNullability");
062        public static final FqName ENHANCED_MUTABILITY_ANNOTATION = new FqName("kotlin.jvm.internal.EnhancedMutability");
063    
064        public static class KotlinClass {
065            public static final JvmClassName CLASS_NAME = JvmClassName.byInternalName("kotlin/jvm/internal/KotlinClass");
066            public static final ClassId KIND_CLASS_ID =
067                    ClassId.topLevel(CLASS_NAME.getFqNameForClassNameWithoutDollars()).createNestedClassId(Name.identifier("Kind"));
068            public static final String KIND_INTERNAL_NAME = JvmClassName.byClassId(KIND_CLASS_ID).getInternalName();
069    
070            /**
071             * This enum duplicates {@link kotlin.jvm.internal.KotlinClass.Kind}. Both places should be updated simultaneously.
072             */
073            public enum Kind {
074                CLASS,
075                LOCAL_CLASS,
076                ANONYMOUS_OBJECT,
077                ;
078            }
079        }
080    
081        public static class KotlinSyntheticClass {
082            public static final JvmClassName CLASS_NAME = JvmClassName.byInternalName("kotlin/jvm/internal/KotlinSyntheticClass");
083            public static final ClassId KIND_CLASS_ID =
084                    ClassId.topLevel(CLASS_NAME.getFqNameForClassNameWithoutDollars()).createNestedClassId(Name.identifier("Kind"));
085            public static final String KIND_INTERNAL_NAME = JvmClassName.byClassId(KIND_CLASS_ID).getInternalName();
086    
087            /**
088             * This enum duplicates {@link kotlin.jvm.internal.KotlinSyntheticClass.Kind}. Both places should be updated simultaneously.
089             */
090            public enum Kind {
091                PACKAGE_PART,
092                TRAIT_IMPL,
093                LOCAL_TRAIT_IMPL,
094                SAM_WRAPPER,
095                SAM_LAMBDA,
096                CALLABLE_REFERENCE_WRAPPER,
097                LOCAL_FUNCTION,
098                ANONYMOUS_FUNCTION,
099                WHEN_ON_ENUM_MAPPINGS,
100                ;
101            }
102        }
103    
104        @Deprecated
105        public static final FqName OLD_JET_CLASS_ANNOTATION = new FqName("jet.runtime.typeinfo.JetClass");
106        @Deprecated
107        public static final FqName OLD_JET_PACKAGE_CLASS_ANNOTATION = new FqName("jet.runtime.typeinfo.JetPackageClass");
108        @Deprecated
109        public static final FqName OLD_KOTLIN_CLASS = new FqName("jet.KotlinClass");
110        @Deprecated
111        public static final FqName OLD_KOTLIN_PACKAGE = new FqName("jet.KotlinPackage");
112        @Deprecated
113        public static final FqName OLD_KOTLIN_PACKAGE_FRAGMENT = new FqName("jet.KotlinPackageFragment");
114        @Deprecated
115        public static final FqName OLD_KOTLIN_TRAIT_IMPL = new FqName("jet.KotlinTraitImpl");
116    
117        public static final String OLD_ABI_VERSION_FIELD_NAME = "abiVersion";
118    
119        // When these annotations appear on a declaration, they are copied to the _type_ of the declaration, becoming type annotations
120        // See also DescriptorRendererOptions#excludedTypeAnnotationClasses
121        public static final Set<FqName> ANNOTATIONS_COPIED_TO_TYPES = KotlinPackage.setOf(
122                JETBRAINS_READONLY_ANNOTATION,
123                JETBRAINS_MUTABLE_ANNOTATION,
124                JETBRAINS_NOT_NULL_ANNOTATION,
125                JETBRAINS_NULLABLE_ANNOTATION
126        );
127    
128        private static final Set<JvmClassName> SPECIAL_ANNOTATIONS = new HashSet<JvmClassName>();
129        private static final Set<JvmClassName> NULLABILITY_ANNOTATIONS = new HashSet<JvmClassName>();
130        private static final Set<JvmClassName> SPECIAL_META_ANNOTATIONS = new HashSet<JvmClassName>();
131        static {
132            for (FqName fqName : Arrays.asList(KOTLIN_CLASS, KOTLIN_PACKAGE, KOTLIN_SIGNATURE)) {
133                SPECIAL_ANNOTATIONS.add(JvmClassName.byFqNameWithoutInnerClasses(fqName));
134            }
135            SPECIAL_ANNOTATIONS.add(KotlinSyntheticClass.CLASS_NAME);
136    
137            for (FqName fqName : Arrays.asList(JETBRAINS_NOT_NULL_ANNOTATION, JETBRAINS_NULLABLE_ANNOTATION)) {
138                NULLABILITY_ANNOTATIONS.add(JvmClassName.byFqNameWithoutInnerClasses(fqName));
139            }
140            for (FqName fqName : Arrays.asList(TARGET_ANNOTATION, RETENTION_ANNOTATION, DOCUMENTED_ANNOTATION)) {
141                SPECIAL_META_ANNOTATIONS.add(JvmClassName.byFqNameWithoutInnerClasses(fqName));
142            }
143        }
144    
145        public static boolean isSpecialAnnotation(@NotNull ClassId classId, boolean javaSpecificAnnotationsAreSpecial) {
146            JvmClassName className = JvmClassName.byClassId(classId);
147            return (javaSpecificAnnotationsAreSpecial
148                    && (NULLABILITY_ANNOTATIONS.contains(className) || SPECIAL_META_ANNOTATIONS.contains(className))
149                   ) || SPECIAL_ANNOTATIONS.contains(className) || className.getInternalName().startsWith("jet/runtime/typeinfo/");
150        }
151    
152        private JvmAnnotationNames() {
153        }
154    }