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the Kotlin compiler embeddable
/*
* Copyright 2010-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.codegen;
import kotlin.collections.CollectionsKt;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.codegen.state.GenerationState;
import org.jetbrains.kotlin.codegen.state.KotlinTypeMapper;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.descriptors.annotations.*;
import org.jetbrains.kotlin.descriptors.annotations.Annotations;
import org.jetbrains.kotlin.descriptors.impl.AnonymousFunctionDescriptor;
import org.jetbrains.kotlin.incremental.components.NoLookupLocation;
import org.jetbrains.kotlin.load.java.JvmAnnotationNames;
import org.jetbrains.kotlin.name.ClassId;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;
import org.jetbrains.kotlin.resolve.AnnotationChecker;
import org.jetbrains.kotlin.resolve.DescriptorUtils;
import org.jetbrains.kotlin.resolve.InlineClassesUtilsKt;
import org.jetbrains.kotlin.resolve.constants.*;
import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt;
import org.jetbrains.kotlin.resolve.multiplatform.OptionalAnnotationUtil;
import org.jetbrains.kotlin.types.FlexibleType;
import org.jetbrains.kotlin.types.FlexibleTypesKt;
import org.jetbrains.kotlin.types.KotlinType;
import org.jetbrains.kotlin.types.TypeUtils;
import org.jetbrains.org.objectweb.asm.*;
import java.lang.annotation.*;
import java.util.*;
import static org.jetbrains.kotlin.name.JvmStandardClassIds.*;
import static org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt.getAnnotationClass;
public abstract class AnnotationCodegen {
public static final class JvmFlagAnnotation {
private final FqName fqName;
private final int jvmFlag;
public JvmFlagAnnotation(@NotNull String fqName, int jvmFlag) {
this.fqName = new FqName(fqName);
this.jvmFlag = jvmFlag;
}
public int getJvmFlag(@Nullable Annotated annotated) {
return annotated != null && annotated.getAnnotations().hasAnnotation(fqName) ? jvmFlag : 0;
}
}
public static final List FIELD_FLAGS = Arrays.asList(
new JvmFlagAnnotation(VOLATILE_ANNOTATION_FQ_NAME.asString(), Opcodes.ACC_VOLATILE),
new JvmFlagAnnotation(TRANSIENT_ANNOTATION_FQ_NAME.asString(), Opcodes.ACC_TRANSIENT)
);
public static final List METHOD_FLAGS = Arrays.asList(
new JvmFlagAnnotation(STRICTFP_ANNOTATION_FQ_NAME.asString(), Opcodes.ACC_STRICT),
new JvmFlagAnnotation(SYNCHRONIZED_ANNOTATION_FQ_NAME.asString(), Opcodes.ACC_SYNCHRONIZED)
);
private static final AnnotationVisitor NO_ANNOTATION_VISITOR = new AnnotationVisitor(Opcodes.API_VERSION) {
@Override
public AnnotationVisitor visitAnnotation(String name, @NotNull String desc) {
return safe(super.visitAnnotation(name, desc));
}
@Override
public AnnotationVisitor visitArray(String name) {
return safe(super.visitArray(name));
}
};
private final InnerClassConsumer innerClassConsumer;
private final KotlinTypeMapper typeMapper;
private final ModuleDescriptor module;
private final GenerationState state;
private final boolean skipNullabilityAnnotations;
private AnnotationCodegen(@NotNull InnerClassConsumer innerClassConsumer, @NotNull GenerationState state) {
this(innerClassConsumer, state, false);
}
private AnnotationCodegen(@NotNull InnerClassConsumer innerClassConsumer, @NotNull GenerationState state, boolean skipNullabilityAnnotations) {
this.innerClassConsumer = innerClassConsumer;
this.typeMapper = state.getTypeMapper();
this.module = state.getModule();
this.state = state;
this.skipNullabilityAnnotations = skipNullabilityAnnotations;
}
/**
* @param returnType can be null if not applicable (e.g. {@code annotated} is a class)
*/
public void genAnnotations(
@Nullable Annotated annotated,
@Nullable Type returnType,
@Nullable KotlinType typeForTypeAnnotations
) {
genAnnotations(annotated, returnType, typeForTypeAnnotations, null, Collections.emptyList());
}
public void genAnnotations(
@Nullable Annotated annotated,
@Nullable Type returnType,
@Nullable KotlinType typeForTypeAnnotations,
@Nullable DeclarationDescriptorWithVisibility parameterContainer,
@NotNull List additionalVisibleAnnotations
) {
if (annotated == null) return;
Set annotationDescriptorsAlreadyPresent = new HashSet<>();
Annotations annotations = annotated.getAnnotations();
for (AnnotationDescriptor annotation : annotations) {
Set applicableTargets = AnnotationChecker.applicableTargetSet(annotation);
if (annotated instanceof AnonymousFunctionDescriptor
&& !applicableTargets.contains(KotlinTarget.FUNCTION)
&& !applicableTargets.contains(KotlinTarget.PROPERTY_GETTER)
&& !applicableTargets.contains(KotlinTarget.PROPERTY_SETTER)) {
assert (applicableTargets.contains(KotlinTarget.EXPRESSION)) :
"Inconsistent target list for lambda annotation: " + applicableTargets + " on " + annotated;
continue;
}
if (annotated instanceof ClassDescriptor
&& !applicableTargets.contains(KotlinTarget.CLASS)
&& !applicableTargets.contains(KotlinTarget.ANNOTATION_CLASS)) {
ClassDescriptor classDescriptor = (ClassDescriptor) annotated;
if (classDescriptor.getVisibility() == DescriptorVisibilities.LOCAL) {
assert applicableTargets.contains(KotlinTarget.EXPRESSION) :
"Inconsistent target list for object literal annotation: " + applicableTargets + " on " + annotated;
continue;
}
}
String descriptor = genAnnotation(annotation, null, false);
if (descriptor != null) {
annotationDescriptorsAlreadyPresent.add(descriptor);
}
}
for (String annotation : additionalVisibleAnnotations) {
generateAnnotationIfNotPresent(annotationDescriptorsAlreadyPresent, annotation, true);
annotationDescriptorsAlreadyPresent.add(annotation);
}
generateAdditionalAnnotations(annotated, returnType, annotationDescriptorsAlreadyPresent, parameterContainer);
generateTypeAnnotations(annotated, typeForTypeAnnotations);
}
private void generateAdditionalAnnotations(
@NotNull Annotated annotated,
@Nullable Type returnType,
@NotNull Set annotationDescriptorsAlreadyPresent,
@Nullable DeclarationDescriptorWithVisibility parameterContainer
) {
if (annotated instanceof CallableDescriptor) {
generateAdditionalCallableAnnotations((CallableDescriptor) annotated, returnType, annotationDescriptorsAlreadyPresent, parameterContainer);
}
else if (annotated instanceof FieldDescriptor) {
generateAdditionalCallableAnnotations(
((FieldDescriptor) annotated).getCorrespondingProperty(), returnType, annotationDescriptorsAlreadyPresent,
parameterContainer);
}
else if (annotated instanceof ClassDescriptor) {
generateAdditionalClassAnnotations(annotationDescriptorsAlreadyPresent, (ClassDescriptor) annotated);
}
}
private void generateAdditionalCallableAnnotations(
@NotNull CallableDescriptor descriptor,
@Nullable Type returnType,
@NotNull Set annotationDescriptorsAlreadyPresent,
@Nullable DeclarationDescriptorWithVisibility parameterContainer
) {
// No need to annotate privates, synthetic accessors and their parameters
if (isInvisibleFromTheOutside(descriptor)) return;
if (descriptor instanceof ParameterDescriptor &&
isInvisibleFromTheOutside(parameterContainer != null ? parameterContainer : descriptor.getContainingDeclaration())) {
return;
}
// No need to annotate annotation methods since they're always non-null
if (descriptor instanceof PropertyGetterDescriptor &&
DescriptorUtils.isAnnotationClass(descriptor.getContainingDeclaration())) {
return;
}
if (returnType != null && !AsmUtil.isPrimitive(returnType) && !skipNullabilityAnnotations) {
generateNullabilityAnnotation(descriptor.getReturnType(), annotationDescriptorsAlreadyPresent);
}
}
private void generateAdditionalClassAnnotations(
@NotNull Set annotationDescriptorsAlreadyPresent,
@NotNull ClassDescriptor descriptor
) {
if (descriptor.getKind() == ClassKind.ANNOTATION_CLASS) {
generateDocumentedAnnotation(descriptor, annotationDescriptorsAlreadyPresent);
generateRetentionAnnotation(descriptor, annotationDescriptorsAlreadyPresent);
generateTargetAnnotation(descriptor, annotationDescriptorsAlreadyPresent);
}
}
private static boolean isInvisibleFromTheOutside(@Nullable DeclarationDescriptor descriptor) {
if (isAccessor(descriptor)) return true;
if (descriptor instanceof MemberDescriptor) {
return DescriptorAsmUtil.getVisibilityAccessFlag((MemberDescriptor) descriptor) == Opcodes.ACC_PRIVATE;
}
return false;
}
private static boolean isAccessor(@Nullable Annotated descriptor) {
return descriptor instanceof CallableMemberDescriptor && KotlinTypeMapper.isAccessor((CallableMemberDescriptor) descriptor);
}
private void generateNullabilityAnnotation(@Nullable KotlinType type, @NotNull Set annotationDescriptorsAlreadyPresent) {
if (type == null) return;
if (isBareTypeParameterWithNullableUpperBound(type)) {
// This is to account for the case of, say
// class Function { fun invoke(): R }
// it would be a shame to put @Nullable on the return type of the function, and force all callers to check for null,
// so we put no annotations
return;
}
if (FlexibleTypesKt.isFlexible(type)) {
// A flexible type whose lower bound in not-null and upper bound is nullable, should not be annotated
FlexibleType flexibleType = FlexibleTypesKt.asFlexibleType(type);
if (!TypeUtils.isNullableType(flexibleType.getLowerBound()) && TypeUtils.isNullableType(flexibleType.getUpperBound())) {
AnnotationDescriptor notNull = type.getAnnotations().findAnnotation(JvmAnnotationNames.JETBRAINS_NOT_NULL_ANNOTATION);
if (notNull != null) {
generateAnnotationIfNotPresent(annotationDescriptorsAlreadyPresent, Type.getType(NotNull.class).getDescriptor(), false);
}
return;
}
}
generateAnnotationIfNotPresent(
annotationDescriptorsAlreadyPresent,
TypeUtils.isNullableType(type) ? Type.getType(Nullable.class).getDescriptor() : Type.getType(NotNull.class).getDescriptor(),
false
);
}
private static final Map annotationTargetMap = new EnumMap<>(KotlinTarget.class);
static {
annotationTargetMap.put(KotlinTarget.CLASS, ElementType.TYPE);
annotationTargetMap.put(KotlinTarget.ANNOTATION_CLASS, ElementType.ANNOTATION_TYPE);
annotationTargetMap.put(KotlinTarget.CONSTRUCTOR, ElementType.CONSTRUCTOR);
annotationTargetMap.put(KotlinTarget.LOCAL_VARIABLE, ElementType.LOCAL_VARIABLE);
annotationTargetMap.put(KotlinTarget.FUNCTION, ElementType.METHOD);
annotationTargetMap.put(KotlinTarget.PROPERTY_GETTER, ElementType.METHOD);
annotationTargetMap.put(KotlinTarget.PROPERTY_SETTER, ElementType.METHOD);
annotationTargetMap.put(KotlinTarget.FIELD, ElementType.FIELD);
annotationTargetMap.put(KotlinTarget.VALUE_PARAMETER, ElementType.PARAMETER);
annotationTargetMap.put(KotlinTarget.TYPE_PARAMETER, ElementType.TYPE_PARAMETER);
annotationTargetMap.put(KotlinTarget.TYPE, ElementType.TYPE_USE);
}
private void generateTargetAnnotation(
@NotNull ClassDescriptor classDescriptor, @NotNull Set annotationDescriptorsAlreadyPresent
) {
String descriptor = Type.getType(Target.class).getDescriptor();
if (!annotationDescriptorsAlreadyPresent.add(descriptor)) return;
Set targets = AnnotationChecker.Companion.applicableTargetSetFromTargetAnnotationOrNull(classDescriptor);
Set javaTargets;
if (targets == null) {
javaTargets = getJavaTargetList(classDescriptor);
if (javaTargets == null) return;
}
else {
javaTargets = EnumSet.noneOf(ElementType.class);
for (KotlinTarget target : targets) {
ElementType elementType = annotationTargetMap.get(target);
if (elementType != null) {
javaTargets.add(elementType);
}
}
}
AnnotationVisitor visitor = visitAnnotation(descriptor, true);
AnnotationVisitor arrayVisitor = visitor.visitArray("value");
for (ElementType javaTarget : javaTargets) {
arrayVisitor.visitEnum(null, Type.getType(ElementType.class).getDescriptor(), javaTarget.name());
}
arrayVisitor.visitEnd();
visitor.visitEnd();
}
private void generateRetentionAnnotation(@NotNull ClassDescriptor classDescriptor, @NotNull Set annotationDescriptorsAlreadyPresent) {
RetentionPolicy policy = getRetentionPolicy(classDescriptor);
String descriptor = Type.getType(Retention.class).getDescriptor();
if (!annotationDescriptorsAlreadyPresent.add(descriptor)) return;
AnnotationVisitor visitor = visitAnnotation(descriptor, true);
visitor.visitEnum("value", Type.getType(RetentionPolicy.class).getDescriptor(), policy.name());
visitor.visitEnd();
}
private void generateDocumentedAnnotation(@NotNull ClassDescriptor classDescriptor, @NotNull Set annotationDescriptorsAlreadyPresent) {
boolean documented = DescriptorUtilsKt.isDocumentedAnnotation(classDescriptor);
if (!documented) return;
String descriptor = Type.getType(Documented.class).getDescriptor();
if (!annotationDescriptorsAlreadyPresent.add(descriptor)) return;
AnnotationVisitor visitor = visitAnnotation(descriptor, true);
visitor.visitEnd();
}
private void generateAnnotationIfNotPresent(
Set annotationDescriptorsAlreadyPresent,
String annotationDescriptor,
boolean visible
) {
if (!annotationDescriptorsAlreadyPresent.contains(annotationDescriptor)) {
visitAnnotation(annotationDescriptor, visible).visitEnd();
}
}
private static boolean isBareTypeParameterWithNullableUpperBound(@NotNull KotlinType type) {
ClassifierDescriptor classifier = type.getConstructor().getDeclarationDescriptor();
return !type.isMarkedNullable() && classifier instanceof TypeParameterDescriptor && TypeUtils.hasNullableSuperType(type);
}
public void generateAnnotationDefaultValue(@NotNull ConstantValue value, @NotNull KotlinType expectedType) {
AnnotationVisitor visitor = visitAnnotation(null, false); // Parameters are unimportant
genCompileTimeValue(null, value, visitor);
visitor.visitEnd();
}
@Nullable
private String genAnnotation(
@NotNull AnnotationDescriptor annotationDescriptor,
@Nullable TypePath path,
boolean isTypeAnnotation
) {
ClassDescriptor classDescriptor = getAnnotationClass(annotationDescriptor);
assert classDescriptor != null : "Annotation descriptor has no class: " + annotationDescriptor;
RetentionPolicy rp = getRetentionPolicy(classDescriptor);
if (rp == RetentionPolicy.SOURCE && !typeMapper.getClassBuilderMode().generateSourceRetentionAnnotations) {
return null;
}
// We do not generate annotations whose classes are optional (annotated with `@OptionalExpectation`) because if an annotation entry
// is resolved to the expected declaration, this means that annotation has no actual class, and thus should not be generated.
// (Otherwise we would've resolved the entry to the actual annotation class.)
if (OptionalAnnotationUtil.isOptionalAnnotationClass(classDescriptor)) {
return null;
}
innerClassConsumer.addInnerClassInfoFromAnnotation(classDescriptor);
String asmTypeDescriptor = typeMapper.mapType(annotationDescriptor.getType()).getDescriptor();
AnnotationVisitor annotationVisitor = isTypeAnnotation
? visitTypeAnnotation(asmTypeDescriptor, path, rp == RetentionPolicy.RUNTIME)
: visitAnnotation(asmTypeDescriptor, rp == RetentionPolicy.RUNTIME);
genAnnotationArguments(annotationDescriptor, annotationVisitor);
annotationVisitor.visitEnd();
return asmTypeDescriptor;
}
private void genAnnotationArguments(AnnotationDescriptor annotationDescriptor, AnnotationVisitor annotationVisitor) {
ClassDescriptor annotationClass = DescriptorUtilsKt.getAnnotationClass(annotationDescriptor);
for (Map.Entry> entry : annotationDescriptor.getAllValueArguments().entrySet()) {
genCompileTimeValue(getAnnotationArgumentJvmName(annotationClass, entry.getKey()), entry.getValue(), annotationVisitor);
}
}
private String getAnnotationArgumentJvmName(@Nullable ClassDescriptor annotationClass, @NotNull Name parameterName) {
if (annotationClass == null) return parameterName.asString();
Collection variables =
annotationClass.getUnsubstitutedMemberScope().getContributedVariables(parameterName, NoLookupLocation.FROM_BACKEND);
if (variables.size() != 1) return parameterName.asString();
return typeMapper.mapAnnotationParameterName(variables.iterator().next());
}
private void genCompileTimeValue(
@Nullable String name,
@NotNull ConstantValue value,
@NotNull AnnotationVisitor annotationVisitor
) {
AnnotationArgumentVisitor argumentVisitor = new AnnotationArgumentVisitor() {
@Override
public Void visitLongValue(@NotNull LongValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitIntValue(IntValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitShortValue(ShortValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitByteValue(ByteValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitDoubleValue(DoubleValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitFloatValue(FloatValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitBooleanValue(BooleanValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitCharValue(CharValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitStringValue(StringValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitEnumValue(EnumValue value, Void data) {
ClassId enumClassId = value.getEnumClassId();
String enumClassInternalName = AsmUtil.asmTypeByClassId(enumClassId).getDescriptor();
String enumEntryName = value.getEnumEntryName().asString();
ClassDescriptor descriptor = FindClassInModuleKt.findClassAcrossModuleDependencies(state.getModule(), enumClassId);
if (descriptor != null) {
innerClassConsumer.addInnerClassInfoFromAnnotation(descriptor);
}
annotationVisitor.visitEnum(name, enumClassInternalName, enumEntryName);
return null;
}
@Override
public Void visitArrayValue(ArrayValue value, Void data) {
AnnotationVisitor visitor = annotationVisitor.visitArray(name);
for (ConstantValue argument : value.getValue()) {
genCompileTimeValue(null, argument, visitor);
}
visitor.visitEnd();
return null;
}
@Override
public Void visitAnnotationValue(AnnotationValue value, Void data) {
KotlinType classType = value.getValue().getType();
innerClassConsumer.addInnerClassInfoFromAnnotation(DescriptorUtils.getClassDescriptorForType(classType));
AnnotationVisitor visitor = annotationVisitor.visitAnnotation(name, typeMapper.mapType(classType).getDescriptor());
genAnnotationArguments(value.getValue(), visitor);
visitor.visitEnd();
return null;
}
@Override
public Void visitKClassValue(KClassValue value, Void data) {
KotlinType classType = value.getArgumentType(module);
innerClassConsumer.addInnerClassInfoFromAnnotation(DescriptorUtils.getClassDescriptorForType(classType));
if (InlineClassesUtilsKt.isInlineClassType(classType)) {
classType = TypeUtils.makeNullable(classType);
}
annotationVisitor.visit(name, typeMapper.mapType(classType));
return null;
}
@Override
public Void visitUByteValue(UByteValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitUShortValue(UShortValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitUIntValue(UIntValue value, Void data) {
return visitSimpleValue(value);
}
@Override
public Void visitULongValue(ULongValue value, Void data) {
return visitSimpleValue(value);
}
private Void visitSimpleValue(ConstantValue value) {
annotationVisitor.visit(name, value.getValue());
return null;
}
@Override
public Void visitErrorValue(ErrorValue value, Void data) {
return visitUnsupportedValue(value);
}
@Override
public Void visitNullValue(NullValue value, Void data) {
return visitUnsupportedValue(value);
}
private Void visitUnsupportedValue(ConstantValue value) {
ClassBuilderMode mode = typeMapper.getClassBuilderMode();
if (mode.generateBodies) {
throw new IllegalStateException("Don't know how to compile annotation value " + value);
} else {
return null;
}
}
};
value.accept(argumentVisitor, null);
}
private static final Map annotationRetentionMap = new EnumMap<>(KotlinRetention.class);
static {
annotationRetentionMap.put(KotlinRetention.SOURCE, RetentionPolicy.SOURCE);
annotationRetentionMap.put(KotlinRetention.BINARY, RetentionPolicy.CLASS);
annotationRetentionMap.put(KotlinRetention.RUNTIME, RetentionPolicy.RUNTIME);
}
@Nullable
private static Set getJavaTargetList(ClassDescriptor descriptor) {
AnnotationDescriptor targetAnnotation = descriptor.getAnnotations().findAnnotation(new FqName(Target.class.getName()));
if (targetAnnotation != null) {
Collection> valueArguments = targetAnnotation.getAllValueArguments().values();
if (!valueArguments.isEmpty()) {
ConstantValue compileTimeConstant = valueArguments.iterator().next();
if (compileTimeConstant instanceof ArrayValue) {
List> values = ((ArrayValue) compileTimeConstant).getValue();
Set result = EnumSet.noneOf(ElementType.class);
for (ConstantValue value : values) {
if (value instanceof EnumValue) {
FqName enumClassFqName = ((EnumValue) value).getEnumClassId().asSingleFqName();
if (ElementType.class.getName().equals(enumClassFqName.asString())) {
result.add(ElementType.valueOf(((EnumValue) value).getEnumEntryName().asString()));
}
}
}
return result;
}
}
}
return null;
}
@NotNull
private static RetentionPolicy getRetentionPolicy(@NotNull Annotated descriptor) {
KotlinRetention retention = DescriptorUtilsKt.getAnnotationRetention(descriptor);
if (retention != null) {
return annotationRetentionMap.get(retention);
}
AnnotationDescriptor retentionAnnotation = descriptor.getAnnotations().findAnnotation(new FqName(Retention.class.getName()));
if (retentionAnnotation != null) {
ConstantValue value = CollectionsKt.firstOrNull(retentionAnnotation.getAllValueArguments().values());
if (value instanceof EnumValue) {
FqName enumClassFqName = ((EnumValue) value).getEnumClassId().asSingleFqName();
if (RetentionPolicy.class.getName().equals(enumClassFqName.asString())) {
return RetentionPolicy.valueOf(((EnumValue) value).getEnumEntryName().asString());
}
}
}
return RetentionPolicy.RUNTIME;
}
@NotNull
abstract AnnotationVisitor visitAnnotation(String descr, boolean visible);
@NotNull
AnnotationVisitor visitTypeAnnotation(String descr, TypePath path, boolean visible) {
throw new RuntimeException("Not implemented");
}
public static AnnotationCodegen forClass(
@NotNull ClassVisitor cv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state
) {
return new AnnotationCodegen(innerClassConsumer, state) {
@NotNull
@Override
AnnotationVisitor visitAnnotation(String descr, boolean visible) {
return safe(cv.visitAnnotation(descr, visible));
}
};
}
public static AnnotationCodegen forMethod(
@NotNull MethodVisitor mv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state
) {
return forMethod(mv, innerClassConsumer, state, false);
}
public static AnnotationCodegen forMethod(
@NotNull MethodVisitor mv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state,
boolean skipNullabilityAnnotations
) {
return new AnnotationCodegen(innerClassConsumer, state, skipNullabilityAnnotations) {
@NotNull
@Override
AnnotationVisitor visitAnnotation(String descr, boolean visible) {
return safe(mv.visitAnnotation(descr, visible));
}
@NotNull
@Override
AnnotationVisitor visitTypeAnnotation(String descr, TypePath path, boolean visible) {
return safe(mv.visitTypeAnnotation(TypeReference.newTypeReference(TypeReference.METHOD_RETURN).getValue(), path, descr, visible));
}
};
}
public static AnnotationCodegen forField(
@NotNull FieldVisitor fv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state
) {
return forField(fv, innerClassConsumer, state, false);
}
public static AnnotationCodegen forField(
@NotNull FieldVisitor fv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state,
boolean skipNullabilityAnnotations
) {
return new AnnotationCodegen(innerClassConsumer, state, skipNullabilityAnnotations) {
@NotNull
@Override
AnnotationVisitor visitAnnotation(String descr, boolean visible) {
return safe(fv.visitAnnotation(descr, visible));
}
@NotNull
@Override
AnnotationVisitor visitTypeAnnotation(String descr, TypePath path, boolean visible) {
return safe(fv.visitTypeAnnotation(TypeReference.newTypeReference(TypeReference.FIELD).getValue(), path, descr, visible));
}
};
}
public static AnnotationCodegen forParameter(
int parameter,
@NotNull MethodVisitor mv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state,
boolean skipNullabilityAnnotations
) {
return new AnnotationCodegen(innerClassConsumer, state, skipNullabilityAnnotations) {
@NotNull
@Override
AnnotationVisitor visitAnnotation(String descr, boolean visible) {
return safe(mv.visitParameterAnnotation(parameter, descr, visible));
}
@NotNull
@Override
AnnotationVisitor visitTypeAnnotation(String descr, TypePath path, boolean visible) {
return safe(mv.visitTypeAnnotation(TypeReference.newFormalParameterReference(parameter).getValue(), path, descr, visible));
}
};
}
public static AnnotationCodegen forAnnotationDefaultValue(
@NotNull MethodVisitor mv,
@NotNull InnerClassConsumer innerClassConsumer,
@NotNull GenerationState state
) {
return new AnnotationCodegen(innerClassConsumer, state) {
@NotNull
@Override
AnnotationVisitor visitAnnotation(String descr, boolean visible) {
return safe(mv.visitAnnotationDefault());
}
};
}
@NotNull
private static AnnotationVisitor safe(@Nullable AnnotationVisitor av) {
return av == null ? NO_ANNOTATION_VISITOR : av;
}
private void generateTypeAnnotations(@NotNull Annotated annotated, @Nullable KotlinType type) {
if (isAccessor(annotated) || type == null || !state.getConfig().getEmitJvmTypeAnnotations()) {
return;
}
Iterable> infos =
new PsiTypeAnnotationCollector().collectTypeAnnotations(type);
for (TypePathInfo info : infos) {
for (AnnotationDescriptor annotationDescriptor : info.getAnnotations()) {
genAnnotation(annotationDescriptor, info.getPath(), true);
}
}
}
}