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org.jetbrains.kotlin.codegen.PropertyCodegen Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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 com.intellij.openapi.util.Pair;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.codegen.annotation.AnnotatedSimple;
import org.jetbrains.kotlin.codegen.annotation.AnnotatedWithFakeAnnotations;
import org.jetbrains.kotlin.codegen.context.*;
import org.jetbrains.kotlin.codegen.state.GenerationState;
import org.jetbrains.kotlin.codegen.state.JetTypeMapper;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.descriptors.annotations.Annotated;
import org.jetbrains.kotlin.descriptors.annotations.AnnotationSplitter;
import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget;
import org.jetbrains.kotlin.descriptors.annotations.Annotations;
import org.jetbrains.kotlin.load.java.JvmAbi;
import org.jetbrains.kotlin.psi.*;
import org.jetbrains.kotlin.psi.psiUtil.PsiUtilsKt;
import org.jetbrains.kotlin.resolve.BindingContext;
import org.jetbrains.kotlin.resolve.DescriptorFactory;
import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils;
import org.jetbrains.kotlin.resolve.annotations.AnnotationUtilKt;
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall;
import org.jetbrains.kotlin.resolve.constants.ConstantValue;
import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOriginKt;
import org.jetbrains.kotlin.resolve.jvm.jvmSignature.JvmMethodSignature;
import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedPropertyDescriptor;
import org.jetbrains.kotlin.storage.LockBasedStorageManager;
import org.jetbrains.kotlin.types.ErrorUtils;
import org.jetbrains.kotlin.types.KotlinType;
import org.jetbrains.org.objectweb.asm.FieldVisitor;
import org.jetbrains.org.objectweb.asm.MethodVisitor;
import org.jetbrains.org.objectweb.asm.Opcodes;
import org.jetbrains.org.objectweb.asm.Type;
import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter;
import org.jetbrains.org.objectweb.asm.commons.Method;
import java.util.List;
import static org.jetbrains.kotlin.codegen.AsmUtil.getDeprecatedAccessFlag;
import static org.jetbrains.kotlin.codegen.AsmUtil.getVisibilityForBackingField;
import static org.jetbrains.kotlin.codegen.JvmCodegenUtil.isConstOrHasJvmFieldAnnotation;
import static org.jetbrains.kotlin.codegen.JvmCodegenUtil.isJvmInterface;
import static org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings.FIELD_FOR_PROPERTY;
import static org.jetbrains.kotlin.codegen.serialization.JvmSerializationBindings.SYNTHETIC_METHOD_FOR_PROPERTY;
import static org.jetbrains.kotlin.resolve.DescriptorUtils.isCompanionObject;
import static org.jetbrains.kotlin.resolve.DescriptorUtils.isInterface;
import static org.jetbrains.kotlin.resolve.jvm.AsmTypes.K_PROPERTY_TYPE;
import static org.jetbrains.kotlin.resolve.jvm.annotations.AnnotationUtilKt.hasJvmFieldAnnotation;
import static org.jetbrains.org.objectweb.asm.Opcodes.*;
public class PropertyCodegen {
private final GenerationState state;
private final ClassBuilder v;
private final FunctionCodegen functionCodegen;
private final JetTypeMapper typeMapper;
private final BindingContext bindingContext;
private final FieldOwnerContext context;
private final MemberCodegen memberCodegen;
private final OwnerKind kind;
public PropertyCodegen(
@NotNull FieldOwnerContext context,
@NotNull ClassBuilder v,
@NotNull FunctionCodegen functionCodegen,
@NotNull MemberCodegen memberCodegen
) {
this.state = functionCodegen.state;
this.v = v;
this.functionCodegen = functionCodegen;
this.typeMapper = state.getTypeMapper();
this.bindingContext = state.getBindingContext();
this.context = context;
this.memberCodegen = memberCodegen;
this.kind = context.getContextKind();
}
public void gen(@NotNull KtProperty property) {
VariableDescriptor variableDescriptor = bindingContext.get(BindingContext.VARIABLE, property);
assert variableDescriptor instanceof PropertyDescriptor : "Property " + property.getText() + " should have a property descriptor: " + variableDescriptor;
PropertyDescriptor propertyDescriptor = (PropertyDescriptor) variableDescriptor;
gen(property, propertyDescriptor, property.getGetter(), property.getSetter());
}
public void generateInPackageFacade(@NotNull DeserializedPropertyDescriptor deserializedProperty) {
assert context instanceof MultifileClassFacadeContext : "should be called only for generating facade: " + context;
gen(null, deserializedProperty, null, null);
}
private void gen(
@Nullable KtProperty declaration,
@NotNull PropertyDescriptor descriptor,
@Nullable KtPropertyAccessor getter,
@Nullable KtPropertyAccessor setter
) {
assert kind == OwnerKind.PACKAGE || kind == OwnerKind.IMPLEMENTATION || kind == OwnerKind.DEFAULT_IMPLS
: "Generating property with a wrong kind (" + kind + "): " + descriptor;
if (isBackingFieldOwner(descriptor)) {
assert declaration != null : "Declaration is null for different context: " + context;
genBackingFieldAndAnnotations(declaration, descriptor, false);
}
if (isAccessorNeeded(declaration, descriptor, getter)) {
generateGetter(declaration, descriptor, getter);
}
if (isAccessorNeeded(declaration, descriptor, setter)) {
generateSetter(declaration, descriptor, setter);
}
}
private boolean isBackingFieldOwner(@NotNull PropertyDescriptor descriptor) {
if (descriptor.isConst()) {
return !(context instanceof MultifileClassPartContext);
}
return CodegenContextUtil.isImplClassOwner(context);
}
private void genBackingFieldAndAnnotations(@NotNull KtNamedDeclaration declaration, @NotNull PropertyDescriptor descriptor, boolean isParameter) {
boolean hasBackingField = hasBackingField(declaration, descriptor);
boolean hasDelegate = declaration instanceof KtProperty && ((KtProperty) declaration).hasDelegate();
AnnotationSplitter annotationSplitter =
AnnotationSplitter.create(LockBasedStorageManager.NO_LOCKS,
descriptor.getAnnotations(),
AnnotationSplitter.getTargetSet(isParameter, descriptor.isVar(), hasBackingField, hasDelegate));
Annotations fieldAnnotations = annotationSplitter.getAnnotationsForTarget(AnnotationUseSiteTarget.FIELD);
Annotations delegateAnnotations = annotationSplitter.getAnnotationsForTarget(AnnotationUseSiteTarget.PROPERTY_DELEGATE_FIELD);
Annotations propertyAnnotations = annotationSplitter.getAnnotationsForTarget(AnnotationUseSiteTarget.PROPERTY);
generateBackingField(declaration, descriptor, fieldAnnotations, delegateAnnotations);
generateSyntheticMethodIfNeeded(descriptor, propertyAnnotations);
}
/**
* Determines if it's necessary to generate an accessor to the property, i.e. if this property can be referenced via getter/setter
* for any reason
*
* @see JvmCodegenUtil#couldUseDirectAccessToProperty
*/
private boolean isAccessorNeeded(
@Nullable KtProperty declaration,
@NotNull PropertyDescriptor descriptor,
@Nullable KtPropertyAccessor accessor
) {
if (isConstOrHasJvmFieldAnnotation(descriptor)) return false;
boolean isDefaultAccessor = accessor == null || !accessor.hasBody();
// Don't generate accessors for interface properties with default accessors in DefaultImpls
if (kind == OwnerKind.DEFAULT_IMPLS && isDefaultAccessor) return false;
if (declaration == null) return true;
// Delegated or extension properties can only be referenced via accessors
if (declaration.hasDelegate() || declaration.getReceiverTypeReference() != null) return true;
// Companion object properties always should have accessors, because their backing fields are moved/copied to the outer class
if (isCompanionObject(descriptor.getContainingDeclaration())) return true;
// Private class properties have accessors only in cases when those accessors are non-trivial
if (Visibilities.isPrivate(descriptor.getVisibility())) {
return !isDefaultAccessor;
}
return true;
}
private static boolean areAccessorsNeededForPrimaryConstructorProperty(
@NotNull PropertyDescriptor descriptor
) {
if (hasJvmFieldAnnotation(descriptor)) return false;
return !Visibilities.isPrivate(descriptor.getVisibility());
}
public void generatePrimaryConstructorProperty(@NotNull KtParameter p, @NotNull PropertyDescriptor descriptor) {
genBackingFieldAndAnnotations(p, descriptor, true);
if (areAccessorsNeededForPrimaryConstructorProperty(descriptor)) {
generateGetter(p, descriptor, null);
generateSetter(p, descriptor, null);
}
}
public void generateConstructorPropertyAsMethodForAnnotationClass(KtParameter p, PropertyDescriptor descriptor) {
JvmMethodSignature signature = typeMapper.mapAnnotationParameterSignature(descriptor);
String name = p.getName();
if (name == null) return;
MethodVisitor mv = v.newMethod(
JvmDeclarationOriginKt.OtherOrigin(p, descriptor), ACC_PUBLIC | ACC_ABSTRACT, name,
signature.getAsmMethod().getDescriptor(),
signature.getGenericsSignature(),
null
);
KtExpression defaultValue = p.getDefaultValue();
if (defaultValue != null) {
ConstantValue constant = ExpressionCodegen.getCompileTimeConstant(defaultValue, bindingContext);
assert state.getClassBuilderMode() != ClassBuilderMode.FULL || constant != null
: "Default value for annotation parameter should be compile time value: " + defaultValue.getText();
if (constant != null) {
AnnotationCodegen annotationCodegen = AnnotationCodegen.forAnnotationDefaultValue(mv, typeMapper);
annotationCodegen.generateAnnotationDefaultValue(constant, descriptor.getType());
}
}
mv.visitEnd();
}
private boolean hasBackingField(@NotNull KtNamedDeclaration p, @NotNull PropertyDescriptor descriptor) {
return !isJvmInterface(descriptor.getContainingDeclaration()) &&
kind != OwnerKind.DEFAULT_IMPLS &&
!Boolean.FALSE.equals(bindingContext.get(BindingContext.BACKING_FIELD_REQUIRED, descriptor));
}
private boolean generateBackingField(
@NotNull KtNamedDeclaration p,
@NotNull PropertyDescriptor descriptor,
@NotNull Annotations backingFieldAnnotations,
@NotNull Annotations delegateAnnotations
) {
if (isJvmInterface(descriptor.getContainingDeclaration()) || kind == OwnerKind.DEFAULT_IMPLS) {
return false;
}
if (p instanceof KtProperty && ((KtProperty) p).hasDelegate()) {
generatePropertyDelegateAccess((KtProperty) p, descriptor, delegateAnnotations);
}
else if (Boolean.TRUE.equals(bindingContext.get(BindingContext.BACKING_FIELD_REQUIRED, descriptor))) {
generateBackingFieldAccess(p, descriptor, backingFieldAnnotations);
}
else {
return false;
}
return true;
}
// Annotations on properties are stored in bytecode on an empty synthetic method. This way they're still
// accessible via reflection, and 'deprecated' and 'private' flags prevent this method from being called accidentally
private void generateSyntheticMethodIfNeeded(@NotNull PropertyDescriptor descriptor, Annotations annotations) {
if (annotations.getAllAnnotations().isEmpty()) return;
ReceiverParameterDescriptor receiver = descriptor.getExtensionReceiverParameter();
String name = JvmAbi.getSyntheticMethodNameForAnnotatedProperty(descriptor.getName());
String desc = receiver == null ? "()V" : "(" + typeMapper.mapType(receiver.getType()) + ")V";
if (!isInterface(context.getContextDescriptor()) || kind == OwnerKind.DEFAULT_IMPLS) {
int flags = ACC_DEPRECATED | ACC_FINAL | ACC_PRIVATE | ACC_STATIC | ACC_SYNTHETIC;
MethodVisitor mv = v.newMethod(JvmDeclarationOriginKt.OtherOrigin(descriptor), flags, name, desc, null, null);
AnnotationCodegen.forMethod(mv, typeMapper)
.genAnnotations(new AnnotatedSimple(annotations), Type.VOID_TYPE, AnnotationUseSiteTarget.PROPERTY);
mv.visitCode();
mv.visitInsn(Opcodes.RETURN);
mv.visitEnd();
}
if (kind != OwnerKind.DEFAULT_IMPLS) {
v.getSerializationBindings().put(SYNTHETIC_METHOD_FOR_PROPERTY, descriptor, new Method(name, desc));
}
}
private void generateBackingField(
KtNamedDeclaration element,
PropertyDescriptor propertyDescriptor,
boolean isDelegate,
KotlinType jetType,
Object defaultValue,
Annotations annotations
) {
int modifiers = getDeprecatedAccessFlag(propertyDescriptor);
for (AnnotationCodegen.JvmFlagAnnotation flagAnnotation : AnnotationCodegen.FIELD_FLAGS) {
if (flagAnnotation.hasAnnotation(propertyDescriptor.getOriginal())) {
modifiers |= flagAnnotation.getJvmFlag();
}
}
if (kind == OwnerKind.PACKAGE) {
modifiers |= ACC_STATIC;
}
if (!propertyDescriptor.isLateInit() && (!propertyDescriptor.isVar() || isDelegate)) {
modifiers |= ACC_FINAL;
}
if (AnnotationUtilKt.hasJvmSyntheticAnnotation(propertyDescriptor)) {
modifiers |= ACC_SYNTHETIC;
}
Type type = typeMapper.mapType(jetType);
ClassBuilder builder = v;
FieldOwnerContext backingFieldContext = context;
if (AsmUtil.isInstancePropertyWithStaticBackingField(propertyDescriptor) ) {
modifiers |= ACC_STATIC;
if (JvmAbi.isPropertyWithBackingFieldInOuterClass(propertyDescriptor)) {
ImplementationBodyCodegen codegen = (ImplementationBodyCodegen) memberCodegen.getParentCodegen();
builder = codegen.v;
backingFieldContext = codegen.context;
}
}
modifiers |= getVisibilityForBackingField(propertyDescriptor, isDelegate);
if (AsmUtil.isPropertyWithBackingFieldCopyInOuterClass(propertyDescriptor)) {
ImplementationBodyCodegen parentBodyCodegen = (ImplementationBodyCodegen) memberCodegen.getParentCodegen();
parentBodyCodegen.addCompanionObjectPropertyToCopy(propertyDescriptor, defaultValue);
}
String name = backingFieldContext.getFieldName(propertyDescriptor, isDelegate);
v.getSerializationBindings().put(FIELD_FOR_PROPERTY, propertyDescriptor, Pair.create(type, name));
FieldVisitor fv = builder.newField(JvmDeclarationOriginKt.OtherOrigin(element, propertyDescriptor), modifiers, name, type.getDescriptor(),
typeMapper.mapFieldSignature(jetType, propertyDescriptor), defaultValue);
Annotated fieldAnnotated = new AnnotatedWithFakeAnnotations(propertyDescriptor, annotations);
AnnotationCodegen.forField(fv, typeMapper).genAnnotations(
fieldAnnotated, type, isDelegate ? AnnotationUseSiteTarget.PROPERTY_DELEGATE_FIELD : AnnotationUseSiteTarget.FIELD);
}
private void generatePropertyDelegateAccess(KtProperty p, PropertyDescriptor propertyDescriptor, Annotations annotations) {
KtExpression delegateExpression = p.getDelegateExpression();
KotlinType delegateType = delegateExpression != null ? bindingContext.getType(p.getDelegateExpression()) : null;
if (delegateType == null) {
// If delegate expression is unresolved reference
delegateType = ErrorUtils.createErrorType("Delegate type");
}
generateBackingField(p, propertyDescriptor, true, delegateType, null, annotations);
}
private void generateBackingFieldAccess(KtNamedDeclaration p, PropertyDescriptor propertyDescriptor, Annotations annotations) {
Object value = null;
if (shouldWriteFieldInitializer(propertyDescriptor)) {
ConstantValue initializer = propertyDescriptor.getCompileTimeInitializer();
if (initializer != null) {
value = initializer.getValue();
}
}
generateBackingField(p, propertyDescriptor, false, propertyDescriptor.getType(), value, annotations);
}
private boolean shouldWriteFieldInitializer(@NotNull PropertyDescriptor descriptor) {
//final field of primitive or String type
if (!descriptor.isVar()) {
Type type = typeMapper.mapType(descriptor);
return AsmUtil.isPrimitive(type) || "java.lang.String".equals(type.getClassName());
}
return false;
}
private void generateGetter(@Nullable KtNamedDeclaration p, @NotNull PropertyDescriptor descriptor, @Nullable KtPropertyAccessor getter) {
generateAccessor(p, getter, descriptor.getGetter() != null
? descriptor.getGetter()
: DescriptorFactory.createDefaultGetter(descriptor, Annotations.Companion.getEMPTY()));
}
private void generateSetter(@Nullable KtNamedDeclaration p, @NotNull PropertyDescriptor descriptor, @Nullable KtPropertyAccessor setter) {
if (!descriptor.isVar()) return;
generateAccessor(p, setter, descriptor.getSetter() != null
? descriptor.getSetter()
: DescriptorFactory.createDefaultSetter(descriptor, Annotations.Companion.getEMPTY()));
}
private void generateAccessor(
@Nullable KtNamedDeclaration p,
@Nullable KtPropertyAccessor accessor,
@NotNull PropertyAccessorDescriptor accessorDescriptor
) {
if (context instanceof MultifileClassFacadeContext && Visibilities.isPrivate(accessorDescriptor.getVisibility())) {
return;
}
FunctionGenerationStrategy strategy;
if (accessor == null || !accessor.hasBody()) {
if (p instanceof KtProperty && ((KtProperty) p).hasDelegate()) {
strategy = new DelegatedPropertyAccessorStrategy(state, accessorDescriptor, indexOfDelegatedProperty((KtProperty) p));
}
else {
strategy = new DefaultPropertyAccessorStrategy(state, accessorDescriptor);
}
}
else {
strategy = new FunctionGenerationStrategy.FunctionDefault(state, accessorDescriptor, accessor);
}
functionCodegen.generateMethod(JvmDeclarationOriginKt.OtherOrigin(accessor != null ? accessor : p, accessorDescriptor), accessorDescriptor, strategy);
}
public static int indexOfDelegatedProperty(@NotNull KtProperty property) {
PsiElement parent = property.getParent();
KtDeclarationContainer container;
if (parent instanceof KtClassBody) {
container = ((KtClassOrObject) parent.getParent());
}
else if (parent instanceof KtFile) {
container = (KtFile) parent;
}
else {
throw new UnsupportedOperationException("Unknown delegated property container: " + parent);
}
int index = 0;
for (KtDeclaration declaration : container.getDeclarations()) {
if (declaration instanceof KtProperty && ((KtProperty) declaration).hasDelegate()) {
if (declaration == property) {
return index;
}
index++;
}
}
throw new IllegalStateException("Delegated property not found in its parent: " + PsiUtilsKt.getElementTextWithContext(property));
}
private static class DefaultPropertyAccessorStrategy extends FunctionGenerationStrategy.CodegenBased {
public DefaultPropertyAccessorStrategy(@NotNull GenerationState state, @NotNull PropertyAccessorDescriptor descriptor) {
super(state, descriptor);
}
@Override
public void doGenerateBody(@NotNull ExpressionCodegen codegen, @NotNull JvmMethodSignature signature) {
InstructionAdapter v = codegen.v;
PropertyDescriptor propertyDescriptor = callableDescriptor.getCorrespondingProperty();
StackValue property = codegen.intermediateValueForProperty(propertyDescriptor, true, null, StackValue.LOCAL_0);
PsiElement jetProperty = DescriptorToSourceUtils.descriptorToDeclaration(propertyDescriptor);
if (jetProperty instanceof KtProperty || jetProperty instanceof KtParameter) {
codegen.markLineNumber((KtElement) jetProperty, false);
}
if (callableDescriptor instanceof PropertyGetterDescriptor) {
Type type = signature.getReturnType();
property.put(type, v);
v.areturn(type);
}
else if (callableDescriptor instanceof PropertySetterDescriptor) {
List valueParameters = callableDescriptor.getValueParameters();
assert valueParameters.size() == 1 : "Property setter should have only one value parameter but has " + callableDescriptor;
int parameterIndex = codegen.lookupLocalIndex(valueParameters.get(0));
assert parameterIndex >= 0 : "Local index for setter parameter should be positive or zero: " + callableDescriptor;
Type type = codegen.typeMapper.mapType(propertyDescriptor);
property.store(StackValue.local(parameterIndex, type), codegen.v);
v.visitInsn(RETURN);
}
else {
throw new IllegalStateException("Unknown property accessor: " + callableDescriptor);
}
}
}
public static StackValue invokeDelegatedPropertyConventionMethod(
@NotNull PropertyDescriptor propertyDescriptor,
@NotNull ExpressionCodegen codegen,
@NotNull JetTypeMapper typeMapper,
@NotNull ResolvedCall resolvedCall,
final int indexInPropertyMetadataArray,
int propertyMetadataArgumentIndex
) {
CodegenContext ownerContext = codegen.getContext().getClassOrPackageParentContext();
final Type owner;
if (ownerContext instanceof ClassContext) {
owner = typeMapper.mapClass(((ClassContext) ownerContext).getContextDescriptor());
}
else if (ownerContext instanceof PackageContext) {
owner = ((PackageContext) ownerContext).getPackagePartType();
}
else if (ownerContext instanceof MultifileClassContextBase) {
owner = ((MultifileClassContextBase) ownerContext).getFilePartType();
}
else {
throw new UnsupportedOperationException("Unknown context: " + ownerContext);
}
codegen.tempVariables.put(
resolvedCall.getCall().getValueArguments().get(propertyMetadataArgumentIndex).asElement(),
new StackValue(K_PROPERTY_TYPE) {
@Override
public void putSelector(@NotNull Type type, @NotNull InstructionAdapter v) {
Field array = StackValue.field(
Type.getType("[" + K_PROPERTY_TYPE), owner, JvmAbi.DELEGATED_PROPERTIES_ARRAY_NAME, true, StackValue.none()
);
StackValue.arrayElement(
K_PROPERTY_TYPE, array, StackValue.constant(indexInPropertyMetadataArray, Type.INT_TYPE)
).put(type, v);
}
}
);
StackValue delegatedProperty = codegen.intermediateValueForProperty(propertyDescriptor, true, null, StackValue.LOCAL_0);
return codegen.invokeFunction(resolvedCall, delegatedProperty);
}
private static class DelegatedPropertyAccessorStrategy extends FunctionGenerationStrategy.CodegenBased {
private final int index;
public DelegatedPropertyAccessorStrategy(@NotNull GenerationState state, @NotNull PropertyAccessorDescriptor descriptor, int index) {
super(state, descriptor);
this.index = index;
}
@Override
public void doGenerateBody(@NotNull ExpressionCodegen codegen, @NotNull JvmMethodSignature signature) {
InstructionAdapter v = codegen.v;
BindingContext bindingContext = state.getBindingContext();
ResolvedCall resolvedCall =
bindingContext.get(BindingContext.DELEGATED_PROPERTY_RESOLVED_CALL, callableDescriptor);
assert resolvedCall != null : "Resolve call should be recorded for delegate call " + signature.toString();
StackValue lastValue = invokeDelegatedPropertyConventionMethod(callableDescriptor.getCorrespondingProperty(),
codegen, state.getTypeMapper(), resolvedCall, index, 1);
Type asmType = signature.getReturnType();
lastValue.put(asmType, v);
v.areturn(asmType);
}
}
public void genDelegate(@NotNull PropertyDescriptor delegate, @NotNull PropertyDescriptor delegateTo, @NotNull StackValue field) {
ClassDescriptor toClass = (ClassDescriptor) delegateTo.getContainingDeclaration();
PropertyGetterDescriptor getter = delegate.getGetter();
if (getter != null) {
//noinspection ConstantConditions
functionCodegen.genDelegate(getter, delegateTo.getGetter().getOriginal(), toClass, field);
}
PropertySetterDescriptor setter = delegate.getSetter();
if (setter != null) {
//noinspection ConstantConditions
functionCodegen.genDelegate(setter, delegateTo.getSetter().getOriginal(), toClass, field);
}
}
}
