src/main/java/com/android/tools/r8/kotlin/KotlinMemberInfo.java - r8 - Git at Google

 // Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8.kotlin;

 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.CONSTRUCTOR;
 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.EXTENSION_FUNCTION;
 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.EXTENSION_PROPERTY_GETTER;
 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.EXTENSION_PROPERTY_SETTER;
 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.FUNCTION;
 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.PROPERTY_GETTER;
 import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.PROPERTY_SETTER;
 import static com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.getJvmMethodSignature;
 import static com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.toJvmFieldSignature;
 import static com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.toJvmMethodSignature;
 import static com.android.tools.r8.kotlin.KotlinMetadataSynthesizer.isExtension;

 import com.android.tools.r8.graph.DexClass;
 import com.android.tools.r8.graph.DexEncodedField;
 import com.android.tools.r8.graph.DexEncodedMethod;
 import com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.KmPropertyProcessor;
 import com.android.tools.r8.utils.Reporter;
 import com.google.common.collect.ImmutableList;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import kotlinx.metadata.KmConstructor;
 import kotlinx.metadata.KmDeclarationContainer;
 import kotlinx.metadata.KmFunction;
 import kotlinx.metadata.KmProperty;
 import kotlinx.metadata.KmType;
 import kotlinx.metadata.KmValueParameter;
 import kotlinx.metadata.jvm.JvmMethodSignature;

 // Provides access to field/method-level Kotlin information.
 public abstract class KotlinMemberInfo {

   private static final List<KotlinValueParameterInfo> EMPTY_PARAM_INFO = ImmutableList.of();

   private static final KotlinMemberInfo NO_KOTLIN_MEMBER_INFO = new NoKotlinMemberInfo();

   public static KotlinMemberInfo getNoKotlinMemberInfo() {
     return NO_KOTLIN_MEMBER_INFO;
   }

   public final MemberKind memberKind;
   // Original member flags. May be necessary to keep Kotlin-specific flag, e.g., suspend function.
   final int flags;

   private KotlinMemberInfo(MemberKind memberKind, int flags) {
     this.memberKind = memberKind;
     this.flags = flags;
   }

   public boolean isFunctionInfo() {
     return false;
   }

   public KotlinFunctionInfo asFunctionInfo() {
     return null;
   }

   public boolean isFieldInfo() {
     return false;
   }

   public KotlinFieldInfo asFieldInfo() {
     return null;
   }

   public boolean isPropertyInfo() {
     return false;
   }

   public KotlinPropertyInfo asPropertyInfo() {
     return null;
   }

   private static class NoKotlinMemberInfo extends KotlinMemberInfo {

     private NoKotlinMemberInfo() {
       super(MemberKind.NONE, 0);
     }
   }

   public static class KotlinFunctionInfo extends KotlinMemberInfo {

     // Information from original KmValueParameter(s) if available.
     final List<KotlinValueParameterInfo> valueParameterInfos;
     // Information from original KmFunction.returnType. Null if this is from a KmConstructor.
     public final KotlinTypeInfo returnType;

     private KotlinFunctionInfo(
         MemberKind memberKind,
         int flags,
         KotlinTypeInfo returnType,
         List<KotlinValueParameterInfo> valueParameterInfos) {
       super(memberKind, flags);
       assert memberKind.isFunction() || memberKind.isConstructor();
       this.returnType = returnType;
       this.valueParameterInfos = valueParameterInfos;
     }

     KotlinValueParameterInfo getValueParameterInfo(int i) {
       if (valueParameterInfos.isEmpty()) {
         return null;
       }
       if (i < 0 || i >= valueParameterInfos.size()) {
         return null;
       }
       return valueParameterInfos.get(i);
     }

     @Override
     public boolean isFunctionInfo() {
       return true;
     }

     @Override
     public KotlinFunctionInfo asFunctionInfo() {
       return this;
     }
   }

   public static class KotlinFieldInfo extends KotlinMemberInfo {

     // Original property name for (extension) property. Otherwise, null.
     final String propertyName;

     private KotlinFieldInfo(MemberKind memberKind, int flags, String propertyName) {
       super(memberKind, flags);
       this.propertyName = propertyName;
     }

     @Override
     public boolean isFieldInfo() {
       return true;
     }

     @Override
     public KotlinFieldInfo asFieldInfo() {
       return this;
     }
   }

   public static class KotlinPropertyInfo extends KotlinMemberInfo {

     // Original getter flags. E.g., for property getter.
     final int getterFlags;

     // Original setter flags. E.g., for property setter.
     final int setterFlags;

     // Original property name for (extension) property. Otherwise, null.
     final String propertyName;

     // Original return type information. This should never be NULL (even for setters without field).
     final KotlinTypeInfo returnType;

     // Information from original KmValueParameter if available.
     final KotlinValueParameterInfo valueParameterInfo;

     private KotlinPropertyInfo(
         MemberKind memberKind,
         int flags,
         int getterFlags,
         int setterFlags,
         String propertyName,
         KotlinTypeInfo returnType,
         KotlinValueParameterInfo valueParameterInfo) {
       super(memberKind, flags);
       this.getterFlags = getterFlags;
       this.setterFlags = setterFlags;
       this.propertyName = propertyName;
       this.returnType = returnType;
       this.valueParameterInfo = valueParameterInfo;
     }

     @Override
     public KotlinPropertyInfo asPropertyInfo() {
       return this;
     }

     @Override
     public boolean isPropertyInfo() {
       return true;
     }
   }

   private static KotlinFunctionInfo createFunctionInfoFromConstructor(KmConstructor kmConstructor) {
     return createFunctionInfo(
         CONSTRUCTOR, kmConstructor.getFlags(), null, kmConstructor.getValueParameters());
   }

   private static KotlinFunctionInfo createFunctionInfo(
       MemberKind memberKind, KmFunction kmFunction) {
     return createFunctionInfo(
         memberKind,
         kmFunction.getFlags(),
         kmFunction.getReturnType(),
         kmFunction.getValueParameters());
   }

   private static KotlinFunctionInfo createFunctionInfo(
       MemberKind memberKind, int flags, KmType returnType, List<KmValueParameter> valueParameters) {
     assert memberKind.isFunction() || memberKind.isConstructor();
     KotlinTypeInfo returnTypeInfo = KotlinTypeInfo.create(returnType);
     assert memberKind.isFunction() || memberKind.isConstructor();
     if (valueParameters.isEmpty()) {
       return new KotlinFunctionInfo(memberKind, flags, returnTypeInfo, EMPTY_PARAM_INFO);
     }
     List<KotlinValueParameterInfo> valueParameterInfos = new ArrayList<>(valueParameters.size());
     for (KmValueParameter kmValueParameter : valueParameters) {
       valueParameterInfos.add(KotlinValueParameterInfo.fromKmValueParameter(kmValueParameter));
     }
     return new KotlinFunctionInfo(memberKind, flags, returnTypeInfo, valueParameterInfos);
   }

   private static KotlinFieldInfo createFieldInfo(MemberKind memberKind, KmProperty kmProperty) {
     assert memberKind.isBackingField() || memberKind.isBackingFieldForCompanionObject();
     return new KotlinFieldInfo(memberKind, kmProperty.getFlags(), kmProperty.getName());
   }

   private static KotlinPropertyInfo createPropertyInfo(
       MemberKind memberKind, KmProperty kmProperty) {
     assert memberKind.isProperty();
     return new KotlinPropertyInfo(
         memberKind,
         kmProperty.getFlags(),
         kmProperty.getGetterFlags(),
         kmProperty.getSetterFlags(),
         kmProperty.getName(),
         KotlinTypeInfo.create(kmProperty.getReturnType()),
         KotlinValueParameterInfo.fromKmValueParameter(kmProperty.getSetterParameter()));
   }

   public enum MemberKind {
     NONE,

     CONSTRUCTOR,
     FUNCTION,
     EXTENSION_FUNCTION,

     COMPANION_OBJECT_BACKING_FIELD,
     PROPERTY_BACKING_FIELD,
     PROPERTY_GETTER,
     PROPERTY_SETTER,
     PROPERTY_ANNOTATIONS,

     // No backing field for extension property.
     EXTENSION_PROPERTY_GETTER,
     EXTENSION_PROPERTY_SETTER,
     EXTENSION_PROPERTY_ANNOTATIONS;

     public boolean isConstructor() {
       return this == CONSTRUCTOR;
     }

     public boolean isFunction() {
       return this == FUNCTION || isExtensionFunction();
     }

     public boolean isExtensionFunction() {
       return this == EXTENSION_FUNCTION;
     }

     public boolean isBackingField() {
       return this == PROPERTY_BACKING_FIELD;
     }

     public boolean isBackingFieldForCompanionObject() {
       return this == COMPANION_OBJECT_BACKING_FIELD;
     }

     public boolean isProperty() {
       return isBackingField()
           || isBackingFieldForCompanionObject()
           || this == PROPERTY_GETTER
           || this == PROPERTY_SETTER
           || this == PROPERTY_ANNOTATIONS
           || isExtensionProperty();
     }

     public boolean isExtensionProperty() {
       return this == EXTENSION_PROPERTY_GETTER
           || this == EXTENSION_PROPERTY_SETTER
           || this == EXTENSION_PROPERTY_ANNOTATIONS;
     }
   }

   static void markKotlinMemberInfo(DexClass clazz, KotlinInfo kotlinInfo, Reporter reporter) {
     if (kotlinInfo == null || !kotlinInfo.hasDeclarations()) {
       return;
     }

     Map<String, KmConstructor> kmConstructorMap = new HashMap<>();
     Map<String, KmFunction> kmFunctionMap = new HashMap<>();
     Map<String, KmProperty> kmPropertyFieldMap = new HashMap<>();
     Map<String, KmProperty> kmPropertyGetterMap = new HashMap<>();
     Map<String, KmProperty> kmPropertySetterMap = new HashMap<>();

     KmDeclarationContainer kmDeclarationContainer = kotlinInfo.getDeclarations();
     String companionObject = null;
     if (kotlinInfo.isClass()) {
       companionObject = kotlinInfo.asClass().kmClass.getCompanionObject();
       kotlinInfo
           .asClass()
           .kmClass
           .getConstructors()
           .forEach(
               kmConstructor -> {
                 JvmMethodSignature methodSignature = getJvmMethodSignature(kmConstructor, reporter);
                 if (methodSignature != null) {
                   kmConstructorMap.put(methodSignature.asString(), kmConstructor);
                 }
               });
     }
     kmDeclarationContainer
         .getFunctions()
         .forEach(
             kmFunction -> {
               JvmMethodSignature methodSignature = getJvmMethodSignature(kmFunction, reporter);
               if (methodSignature != null) {
                 kmFunctionMap.put(methodSignature.asString(), kmFunction);
               }
             });
     kmDeclarationContainer.getProperties().forEach(kmProperty -> {
       KmPropertyProcessor propertyProcessor = new KmPropertyProcessor(kmProperty, reporter);
       if (propertyProcessor.fieldSignature() != null) {
         kmPropertyFieldMap.put(propertyProcessor.fieldSignature().asString(), kmProperty);
       }
       if (propertyProcessor.getterSignature() != null) {
         kmPropertyGetterMap.put(propertyProcessor.getterSignature().asString(), kmProperty);
       }
       if (propertyProcessor.setterSignature() != null) {
         kmPropertySetterMap.put(propertyProcessor.setterSignature().asString(), kmProperty);
       }
       // TODO(b/151194869): property annotations
     });

     for (DexEncodedField field : clazz.fields()) {
       if (companionObject != null && companionObject.equals(field.field.name.toString())) {
         assert kotlinInfo.isClass();
         kotlinInfo.asClass().foundCompanionObject(field);
         continue;
       }
       String key = toJvmFieldSignature(field.field).asString();
       if (kmPropertyFieldMap.containsKey(key)) {
         KmProperty kmProperty = kmPropertyFieldMap.get(key);
         field.setKotlinMemberInfo(
             createFieldInfo(
                 clazz == kotlinInfo.clazz
                     ? MemberKind.PROPERTY_BACKING_FIELD
                     : MemberKind.COMPANION_OBJECT_BACKING_FIELD,
                 kmProperty));
       }
     }

     for (DexEncodedMethod method : clazz.methods()) {
       String key = toJvmMethodSignature(method.method).asString();
       if (kmConstructorMap.containsKey(key)) {
         // Interestingly we cannot assert that the method is a jvm initializer, because the jvm
         // signature can be a different.
         method.setKotlinMemberInfo(createFunctionInfoFromConstructor(kmConstructorMap.get(key)));
       } else if (kmFunctionMap.containsKey(key)) {
         KmFunction kmFunction = kmFunctionMap.get(key);
         method.setKotlinMemberInfo(
             createFunctionInfo(
                 isExtension(kmFunction) ? EXTENSION_FUNCTION : FUNCTION, kmFunction));
       } else if (kmPropertyGetterMap.containsKey(key)) {
         KmProperty kmProperty = kmPropertyGetterMap.get(key);
         method.setKotlinMemberInfo(
             createPropertyInfo(
                 isExtension(kmProperty) ? EXTENSION_PROPERTY_GETTER : PROPERTY_GETTER, kmProperty));
       } else if (kmPropertySetterMap.containsKey(key)) {
         KmProperty kmProperty = kmPropertySetterMap.get(key);
         method.setKotlinMemberInfo(
             createPropertyInfo(
                 isExtension(kmProperty) ? EXTENSION_PROPERTY_SETTER : PROPERTY_SETTER, kmProperty));
       }
     }
   }
 }
	// Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
	// for details. All rights reserved. Use of this source code is governed by a
	// BSD-style license that can be found in the LICENSE file.
	package com.android.tools.r8.kotlin;

	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.CONSTRUCTOR;
	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.EXTENSION_FUNCTION;
	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.EXTENSION_PROPERTY_GETTER;
	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.EXTENSION_PROPERTY_SETTER;
	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.FUNCTION;
	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.PROPERTY_GETTER;
	import static com.android.tools.r8.kotlin.KotlinMemberInfo.MemberKind.PROPERTY_SETTER;
	import static com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.getJvmMethodSignature;
	import static com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.toJvmFieldSignature;
	import static com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.toJvmMethodSignature;
	import static com.android.tools.r8.kotlin.KotlinMetadataSynthesizer.isExtension;

	import com.android.tools.r8.graph.DexClass;
	import com.android.tools.r8.graph.DexEncodedField;
	import com.android.tools.r8.graph.DexEncodedMethod;
	import com.android.tools.r8.kotlin.KotlinMetadataJvmExtensionUtils.KmPropertyProcessor;
	import com.android.tools.r8.utils.Reporter;
	import com.google.common.collect.ImmutableList;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import kotlinx.metadata.KmConstructor;
	import kotlinx.metadata.KmDeclarationContainer;
	import kotlinx.metadata.KmFunction;
	import kotlinx.metadata.KmProperty;
	import kotlinx.metadata.KmType;
	import kotlinx.metadata.KmValueParameter;
	import kotlinx.metadata.jvm.JvmMethodSignature;

	// Provides access to field/method-level Kotlin information.
	public abstract class KotlinMemberInfo {

	private static final List<KotlinValueParameterInfo> EMPTY_PARAM_INFO = ImmutableList.of();

	private static final KotlinMemberInfo NO_KOTLIN_MEMBER_INFO = new NoKotlinMemberInfo();

	public static KotlinMemberInfo getNoKotlinMemberInfo() {
	return NO_KOTLIN_MEMBER_INFO;
	}

	public final MemberKind memberKind;
	// Original member flags. May be necessary to keep Kotlin-specific flag, e.g., suspend function.
	final int flags;

	private KotlinMemberInfo(MemberKind memberKind, int flags) {
	this.memberKind = memberKind;
	this.flags = flags;
	}

	public boolean isFunctionInfo() {
	return false;
	}

	public KotlinFunctionInfo asFunctionInfo() {
	return null;
	}

	public boolean isFieldInfo() {
	return false;
	}

	public KotlinFieldInfo asFieldInfo() {
	return null;
	}

	public boolean isPropertyInfo() {
	return false;
	}

	public KotlinPropertyInfo asPropertyInfo() {
	return null;
	}

	private static class NoKotlinMemberInfo extends KotlinMemberInfo {

	private NoKotlinMemberInfo() {
	super(MemberKind.NONE, 0);
	}
	}

	public static class KotlinFunctionInfo extends KotlinMemberInfo {

	// Information from original KmValueParameter(s) if available.
	final List<KotlinValueParameterInfo> valueParameterInfos;
	// Information from original KmFunction.returnType. Null if this is from a KmConstructor.
	public final KotlinTypeInfo returnType;

	private KotlinFunctionInfo(
	MemberKind memberKind,
	int flags,
	KotlinTypeInfo returnType,
	List<KotlinValueParameterInfo> valueParameterInfos) {
	super(memberKind, flags);
	assert memberKind.isFunction() \|\| memberKind.isConstructor();
	this.returnType = returnType;
	this.valueParameterInfos = valueParameterInfos;
	}

	KotlinValueParameterInfo getValueParameterInfo(int i) {
	if (valueParameterInfos.isEmpty()) {
	return null;
	}
	if (i < 0 \|\| i >= valueParameterInfos.size()) {
	return null;
	}
	return valueParameterInfos.get(i);
	}

	@Override
	public boolean isFunctionInfo() {
	return true;
	}

	@Override
	public KotlinFunctionInfo asFunctionInfo() {
	return this;
	}
	}

	public static class KotlinFieldInfo extends KotlinMemberInfo {

	// Original property name for (extension) property. Otherwise, null.
	final String propertyName;

	private KotlinFieldInfo(MemberKind memberKind, int flags, String propertyName) {
	super(memberKind, flags);
	this.propertyName = propertyName;
	}

	@Override
	public boolean isFieldInfo() {
	return true;
	}

	@Override
	public KotlinFieldInfo asFieldInfo() {
	return this;
	}
	}

	public static class KotlinPropertyInfo extends KotlinMemberInfo {

	// Original getter flags. E.g., for property getter.
	final int getterFlags;

	// Original setter flags. E.g., for property setter.
	final int setterFlags;

	// Original property name for (extension) property. Otherwise, null.
	final String propertyName;

	// Original return type information. This should never be NULL (even for setters without field).
	final KotlinTypeInfo returnType;

	// Information from original KmValueParameter if available.
	final KotlinValueParameterInfo valueParameterInfo;

	private KotlinPropertyInfo(
	MemberKind memberKind,
	int flags,
	int getterFlags,
	int setterFlags,
	String propertyName,
	KotlinTypeInfo returnType,
	KotlinValueParameterInfo valueParameterInfo) {
	super(memberKind, flags);
	this.getterFlags = getterFlags;
	this.setterFlags = setterFlags;
	this.propertyName = propertyName;
	this.returnType = returnType;
	this.valueParameterInfo = valueParameterInfo;
	}

	@Override
	public KotlinPropertyInfo asPropertyInfo() {
	return this;
	}

	@Override
	public boolean isPropertyInfo() {
	return true;
	}
	}

	private static KotlinFunctionInfo createFunctionInfoFromConstructor(KmConstructor kmConstructor) {
	return createFunctionInfo(
	CONSTRUCTOR, kmConstructor.getFlags(), null, kmConstructor.getValueParameters());
	}

	private static KotlinFunctionInfo createFunctionInfo(
	MemberKind memberKind, KmFunction kmFunction) {
	return createFunctionInfo(
	memberKind,
	kmFunction.getFlags(),
	kmFunction.getReturnType(),
	kmFunction.getValueParameters());
	}

	private static KotlinFunctionInfo createFunctionInfo(
	MemberKind memberKind, int flags, KmType returnType, List<KmValueParameter> valueParameters) {
	assert memberKind.isFunction() \|\| memberKind.isConstructor();
	KotlinTypeInfo returnTypeInfo = KotlinTypeInfo.create(returnType);
	assert memberKind.isFunction() \|\| memberKind.isConstructor();
	if (valueParameters.isEmpty()) {
	return new KotlinFunctionInfo(memberKind, flags, returnTypeInfo, EMPTY_PARAM_INFO);
	}
	List<KotlinValueParameterInfo> valueParameterInfos = new ArrayList<>(valueParameters.size());
	for (KmValueParameter kmValueParameter : valueParameters) {
	valueParameterInfos.add(KotlinValueParameterInfo.fromKmValueParameter(kmValueParameter));
	}
	return new KotlinFunctionInfo(memberKind, flags, returnTypeInfo, valueParameterInfos);
	}

	private static KotlinFieldInfo createFieldInfo(MemberKind memberKind, KmProperty kmProperty) {
	assert memberKind.isBackingField() \|\| memberKind.isBackingFieldForCompanionObject();
	return new KotlinFieldInfo(memberKind, kmProperty.getFlags(), kmProperty.getName());
	}

	private static KotlinPropertyInfo createPropertyInfo(
	MemberKind memberKind, KmProperty kmProperty) {
	assert memberKind.isProperty();
	return new KotlinPropertyInfo(
	memberKind,
	kmProperty.getFlags(),
	kmProperty.getGetterFlags(),
	kmProperty.getSetterFlags(),
	kmProperty.getName(),
	KotlinTypeInfo.create(kmProperty.getReturnType()),
	KotlinValueParameterInfo.fromKmValueParameter(kmProperty.getSetterParameter()));
	}

	public enum MemberKind {
	NONE,

	CONSTRUCTOR,
	FUNCTION,
	EXTENSION_FUNCTION,

	COMPANION_OBJECT_BACKING_FIELD,
	PROPERTY_BACKING_FIELD,
	PROPERTY_GETTER,
	PROPERTY_SETTER,
	PROPERTY_ANNOTATIONS,

	// No backing field for extension property.
	EXTENSION_PROPERTY_GETTER,
	EXTENSION_PROPERTY_SETTER,
	EXTENSION_PROPERTY_ANNOTATIONS;

	public boolean isConstructor() {
	return this == CONSTRUCTOR;
	}

	public boolean isFunction() {
	return this == FUNCTION \|\| isExtensionFunction();
	}

	public boolean isExtensionFunction() {
	return this == EXTENSION_FUNCTION;
	}

	public boolean isBackingField() {
	return this == PROPERTY_BACKING_FIELD;
	}

	public boolean isBackingFieldForCompanionObject() {
	return this == COMPANION_OBJECT_BACKING_FIELD;
	}

	public boolean isProperty() {
	return isBackingField()
	\|\| isBackingFieldForCompanionObject()
	\|\| this == PROPERTY_GETTER
	\|\| this == PROPERTY_SETTER
	\|\| this == PROPERTY_ANNOTATIONS
	\|\| isExtensionProperty();
	}

	public boolean isExtensionProperty() {
	return this == EXTENSION_PROPERTY_GETTER
	\|\| this == EXTENSION_PROPERTY_SETTER
	\|\| this == EXTENSION_PROPERTY_ANNOTATIONS;
	}
	}

	static void markKotlinMemberInfo(DexClass clazz, KotlinInfo kotlinInfo, Reporter reporter) {
	if (kotlinInfo == null \|\| !kotlinInfo.hasDeclarations()) {
	return;
	}

	Map<String, KmConstructor> kmConstructorMap = new HashMap<>();
	Map<String, KmFunction> kmFunctionMap = new HashMap<>();
	Map<String, KmProperty> kmPropertyFieldMap = new HashMap<>();
	Map<String, KmProperty> kmPropertyGetterMap = new HashMap<>();
	Map<String, KmProperty> kmPropertySetterMap = new HashMap<>();

	KmDeclarationContainer kmDeclarationContainer = kotlinInfo.getDeclarations();
	String companionObject = null;
	if (kotlinInfo.isClass()) {
	companionObject = kotlinInfo.asClass().kmClass.getCompanionObject();
	kotlinInfo
	.asClass()
	.kmClass
	.getConstructors()
	.forEach(
	kmConstructor -> {
	JvmMethodSignature methodSignature = getJvmMethodSignature(kmConstructor, reporter);
	if (methodSignature != null) {
	kmConstructorMap.put(methodSignature.asString(), kmConstructor);
	}
	});
	}
	kmDeclarationContainer
	.getFunctions()
	.forEach(
	kmFunction -> {
	JvmMethodSignature methodSignature = getJvmMethodSignature(kmFunction, reporter);
	if (methodSignature != null) {
	kmFunctionMap.put(methodSignature.asString(), kmFunction);
	}
	});
	kmDeclarationContainer.getProperties().forEach(kmProperty -> {
	KmPropertyProcessor propertyProcessor = new KmPropertyProcessor(kmProperty, reporter);
	if (propertyProcessor.fieldSignature() != null) {
	kmPropertyFieldMap.put(propertyProcessor.fieldSignature().asString(), kmProperty);
	}
	if (propertyProcessor.getterSignature() != null) {
	kmPropertyGetterMap.put(propertyProcessor.getterSignature().asString(), kmProperty);
	}
	if (propertyProcessor.setterSignature() != null) {
	kmPropertySetterMap.put(propertyProcessor.setterSignature().asString(), kmProperty);
	}
	// TODO(b/151194869): property annotations
	});

	for (DexEncodedField field : clazz.fields()) {
	if (companionObject != null && companionObject.equals(field.field.name.toString())) {
	assert kotlinInfo.isClass();
	kotlinInfo.asClass().foundCompanionObject(field);
	continue;
	}
	String key = toJvmFieldSignature(field.field).asString();
	if (kmPropertyFieldMap.containsKey(key)) {
	KmProperty kmProperty = kmPropertyFieldMap.get(key);
	field.setKotlinMemberInfo(
	createFieldInfo(
	clazz == kotlinInfo.clazz
	? MemberKind.PROPERTY_BACKING_FIELD
	: MemberKind.COMPANION_OBJECT_BACKING_FIELD,
	kmProperty));
	}
	}

	for (DexEncodedMethod method : clazz.methods()) {
	String key = toJvmMethodSignature(method.method).asString();
	if (kmConstructorMap.containsKey(key)) {
	// Interestingly we cannot assert that the method is a jvm initializer, because the jvm
	// signature can be a different.
	method.setKotlinMemberInfo(createFunctionInfoFromConstructor(kmConstructorMap.get(key)));
	} else if (kmFunctionMap.containsKey(key)) {
	KmFunction kmFunction = kmFunctionMap.get(key);
	method.setKotlinMemberInfo(
	createFunctionInfo(
	isExtension(kmFunction) ? EXTENSION_FUNCTION : FUNCTION, kmFunction));
	} else if (kmPropertyGetterMap.containsKey(key)) {
	KmProperty kmProperty = kmPropertyGetterMap.get(key);
	method.setKotlinMemberInfo(
	createPropertyInfo(
	isExtension(kmProperty) ? EXTENSION_PROPERTY_GETTER : PROPERTY_GETTER, kmProperty));
	} else if (kmPropertySetterMap.containsKey(key)) {
	KmProperty kmProperty = kmPropertySetterMap.get(key);
	method.setKotlinMemberInfo(
	createPropertyInfo(
	isExtension(kmProperty) ? EXTENSION_PROPERTY_SETTER : PROPERTY_SETTER, kmProperty));
	}
	}
	}
	}