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Fix bytecode for equals/hashCode of data classes once again

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#KT-24790 Fixed
This commit is contained in:
Alexander Udalov
2018-06-12 14:00:23 +02:00
parent 8749bd901b
commit 813d7fcb6a
9 changed files with 58 additions and 50 deletions
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compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java
+2 -3
View File
@@ -36,7 +36,6 @@ import org.jetbrains.kotlin.resolve.DescriptorUtils;
import org.jetbrains.kotlin.resolve.InlineClassesUtilsKt;
import org.jetbrains.kotlin.resolve.annotations.AnnotationUtilKt;
import org.jetbrains.kotlin.resolve.inline.InlineUtil;
import org.jetbrains.kotlin.resolve.jvm.AsmTypes;
import org.jetbrains.kotlin.resolve.jvm.JvmClassName;
import org.jetbrains.kotlin.resolve.jvm.JvmPrimitiveType;
import org.jetbrains.kotlin.resolve.jvm.RuntimeAssertionInfo;
@@ -514,7 +513,7 @@ public class AsmUtil {
});
}
static void genHashCode(MethodVisitor mv, InstructionAdapter iv, Type type, JvmTarget jvmTarget, boolean isInterface) {
static void genHashCode(MethodVisitor mv, InstructionAdapter iv, Type type, JvmTarget jvmTarget) {
if (type.getSort() == Type.ARRAY) {
Type elementType = correctElementType(type);
if (elementType.getSort() == Type.OBJECT || elementType.getSort() == Type.ARRAY) {
@@ -525,7 +524,7 @@ public class AsmUtil {
}
}
else if (type.getSort() == Type.OBJECT) {
iv.invokevirtual((isInterface ? AsmTypes.OBJECT_TYPE : type).getInternalName(), "hashCode", "()I", false);
iv.invokevirtual(type.getInternalName(), "hashCode", "()I", false);
}
else if (type.getSort() == Type.BOOLEAN) {
Label end = new Label();
compiler/backend/src/org/jetbrains/kotlin/codegen/ImplementationBodyCodegen.java
+15 -12
View File
@@ -558,8 +558,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
iv.store(2, OBJECT_TYPE);
for (PropertyDescriptor propertyDescriptor : properties) {
KotlinType type = propertyDescriptor.getType();
Type asmType = typeMapper.mapType(type);
Type asmType = typeMapper.mapType(propertyDescriptor);
Type thisPropertyType = genPropertyOnStack(iv, context, propertyDescriptor, ImplementationBodyCodegen.this.classAsmType, 0);
StackValue.coerce(thisPropertyType, asmType, iv);
@@ -581,19 +580,16 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
value.put(Type.BOOLEAN_TYPE, iv);
}
else {
if (TypeUtils.isNullableType(type)) {
if (TypeUtils.isNullableType(propertyDescriptor.getType())) {
StackValue value =
genEqualsForExpressionsOnStack(KtTokens.EQEQ, StackValue.onStack(asmType), StackValue.onStack(asmType));
value.put(Type.BOOLEAN_TYPE, iv);
}
else {
ClassifierDescriptor classifier = type.getConstructor().getDeclarationDescriptor();
Type owner =
!(classifier instanceof ClassDescriptor) || DescriptorUtils.isInterface(classifier)
? AsmTypes.OBJECT_TYPE
: asmType;
iv.invokevirtual(owner.getInternalName(), "equals",
Type.getMethodDescriptor(Type.BOOLEAN_TYPE, AsmTypes.OBJECT_TYPE), false);
iv.invokevirtual(
getEqualsOrHashCodeOwner(propertyDescriptor).getInternalName(), "equals",
Type.getMethodDescriptor(Type.BOOLEAN_TYPE, AsmTypes.OBJECT_TYPE), false
);
}
}
iv.ifeq(ne);
@@ -636,8 +632,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
iv.ifnull(ifNull);
}
genHashCode(mv, iv, asmType, state.getTarget(),
DescriptorUtils.isInterface(propertyDescriptor.getType().getConstructor().getDeclarationDescriptor()));
genHashCode(mv, iv, getEqualsOrHashCodeOwner(propertyDescriptor), state.getTarget());
if (ifNull != null) {
Label end = new Label();
@@ -661,6 +656,14 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
FunctionCodegen.endVisit(mv, "hashCode", myClass);
}
@NotNull
private Type getEqualsOrHashCodeOwner(@NotNull PropertyDescriptor descriptor) {
ClassifierDescriptor classifier = descriptor.getType().getConstructor().getDeclarationDescriptor();
return !(classifier instanceof ClassDescriptor) || JvmCodegenUtil.isJvmInterface(classifier)
? AsmTypes.OBJECT_TYPE
: typeMapper.mapType(descriptor);
}
@Override
public void generateToStringMethod(@NotNull FunctionDescriptor function, @NotNull List<? extends PropertyDescriptor> properties) {
MethodContext context = ImplementationBodyCodegen.this.context.intoFunction(function);