Refactoring: property processing generalization

This commit is contained in:
Mikhael Bogdanov
2013-04-04 10:37:37 +04:00
parent 0ba38b9f09
commit 8a14087c91
4 changed files with 68 additions and 103 deletions
@@ -1535,18 +1535,18 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> implem
// descriptor = ((VariableAsFunctionDescriptor) descriptor).getVariableDescriptor();
//}
IntrinsicMethod intrinsic = null;
if (descriptor instanceof CallableMemberDescriptor) {
CallableMemberDescriptor memberDescriptor = (CallableMemberDescriptor) descriptor;
memberDescriptor = unwrapFakeOverride(memberDescriptor);
intrinsic = state.getIntrinsics().getIntrinsic(memberDescriptor);
}
if (intrinsic != null) {
Type expectedType = expressionType(expression);
return intrinsic.generate(this, v, expectedType, expression, Collections.<JetExpression>emptyList(), receiver, state);
IntrinsicMethod intrinsic = state.getIntrinsics().getIntrinsic(memberDescriptor);
if (intrinsic != null) {
Type expectedType = expressionType(expression);
return intrinsic.generate(this, v, expectedType, expression, Collections.<JetExpression>emptyList(), receiver, state);
}
}
assert descriptor != null;
DeclarationDescriptor container = descriptor.getContainingDeclaration();
@@ -1699,22 +1699,25 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> implem
boolean forceField,
@Nullable JetSuperExpression superExpression
) {
boolean isSuper = superExpression != null;
DeclarationDescriptor containingDeclaration = propertyDescriptor.getContainingDeclaration();
assert containingDeclaration != null;
containingDeclaration = containingDeclaration.getOriginal();
boolean isStatic = containingDeclaration instanceof NamespaceDescriptor;
boolean isSuper = superExpression != null;
boolean overridesTrait = isOverrideForTrait(propertyDescriptor);
boolean isFakeOverride = propertyDescriptor.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE;
PropertyDescriptor initialDescriptor = propertyDescriptor;
propertyDescriptor = initialDescriptor.getOriginal();
boolean isInsideClass = isCallInsideSameClassAsDeclared(propertyDescriptor, context);
boolean isInsideModule = isCallInsideSameModuleAsDeclared(propertyDescriptor, context);
boolean isExtensionProperty = propertyDescriptor.getReceiverParameter() != null;
Method getter = null;
Method setter = null;
if (!forceField) {
//noinspection ConstantConditions
if (isInsideClass &&
@@ -1744,87 +1747,69 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> implem
propertyDescriptor = accessablePropertyDescriptor(propertyDescriptor);
}
getter = typeMapper.mapGetterSignature(propertyDescriptor, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
if (propertyDescriptor.getGetter() == null) {
getter = null;
if (propertyDescriptor.getGetter() != null) {
getter = typeMapper.
mapGetterSignature(propertyDescriptor, OwnerKind.IMPLEMENTATION).
getJvmMethodSignature().getAsmMethod();
}
if (getter == null && propertyDescriptor.getReceiverParameter() != null) {
if (getter == null && isExtensionProperty) {
throw new IllegalStateException();
}
}
//noinspection ConstantConditions
if (!propertyDescriptor.isVar() || isInsideClass && !isExtensionProperty &&
(propertyDescriptor.getSetter() == null ||
!DescriptorUtils.isExternallyAccessible(propertyDescriptor) ||
propertyDescriptor.getSetter().isDefault() &&
propertyDescriptor.getSetter().getModality() == Modality.FINAL)) {
setter = null;
}
else {
JvmPropertyAccessorSignature jvmMethodSignature =
typeMapper.mapSetterSignature(propertyDescriptor, OwnerKind.IMPLEMENTATION);
setter = jvmMethodSignature != null ? jvmMethodSignature.getJvmMethodSignature().getAsmMethod() : null;
if (propertyDescriptor.getSetter() == null) {
setter = null;
if (propertyDescriptor.isVar()) {
if (propertyDescriptor.getSetter() != null) {
if (isInsideClass && !isExtensionProperty &&
(!DescriptorUtils.isExternallyAccessible(propertyDescriptor) ||
propertyDescriptor.getSetter().isDefault() &&
propertyDescriptor.getSetter().getModality() == Modality.FINAL)) {
setter = null;
}
else {
setter = typeMapper.
mapSetterSignature(propertyDescriptor, OwnerKind.IMPLEMENTATION).
getJvmMethodSignature().getAsmMethod();
}
}
if (setter == null && propertyDescriptor.isVar() && propertyDescriptor.getReceiverParameter() != null) {
if (setter == null && isExtensionProperty) {
throw new IllegalStateException();
}
}
}
int getterInvokeOpcode;
int setterInvokeOpcode;
int getterInvokeOpcode = getOpcodeForPropertyDescriptorWithoutAccessor(propertyDescriptor);
int setterInvokeOpcode = getterInvokeOpcode;
CallableMethod callableGetter = null;
CallableMethod callableSetter = null;
if (getter != null) {
callableGetter = typeMapper.mapToCallableMethod(propertyDescriptor.getGetter(), isSuper, isInsideClass, isInsideModule, contextKind());
getterInvokeOpcode = callableGetter.getInvokeOpcode();
}
if (setter != null) {
callableSetter = typeMapper.mapToCallableMethod(propertyDescriptor.getSetter(), isSuper, isInsideClass, isInsideModule, contextKind());
setterInvokeOpcode = callableSetter.getInvokeOpcode();
}
JvmClassName owner;
JvmClassName ownerParam;
boolean isInterface;
if (isStatic) {
isInterface = overridesTrait;
owner = ownerParam = typeMapper.getOwner(propertyDescriptor, contextKind(), isInsideModule);
CallableMethod callableMethod = callableGetter != null ? callableGetter : callableSetter;
getterInvokeOpcode = INVOKESTATIC;
setterInvokeOpcode = INVOKESTATIC;
if (callableMethod == null) {
owner = typeMapper.getOwner(propertyDescriptor, contextKind(), isInsideModule);
}
else {
isInterface = isInterface(containingDeclaration) || overridesTrait;
CallableMethod callableGetter = null;
CallableMethod callableSetter = null;
if (getter == null) {
getterInvokeOpcode = getOpcodeForPropertyDescriptorWithoutAccessor(propertyDescriptor);
}
else {
callableGetter = typeMapper.mapToCallableMethod(propertyDescriptor.getGetter(), isSuper, isInsideClass, isInsideModule, contextKind());
getterInvokeOpcode = callableGetter.getInvokeOpcode();
}
if (setter == null) {
setterInvokeOpcode = getOpcodeForPropertyDescriptorWithoutAccessor(propertyDescriptor);
}
else {
callableSetter = typeMapper.mapToCallableMethod(propertyDescriptor.getSetter(), isSuper, isInsideClass, isInsideModule, contextKind());
setterInvokeOpcode = callableSetter.getInvokeOpcode();
}
CallableMethod callableMethod = callableGetter != null ? callableGetter : callableSetter;
if (callableMethod == null) {
owner = ownerParam = typeMapper.getOwner(propertyDescriptor, contextKind(), isInsideModule);
}
else {
owner = isFakeOverride && !overridesTrait && !isInterface(initialDescriptor.getContainingDeclaration())
? JvmClassName.byType(typeMapper.mapType(
((ClassDescriptor) initialDescriptor.getContainingDeclaration()).getDefaultType(), JetTypeMapperMode.IMPL))
: callableMethod.getOwner();
ownerParam = callableMethod.getDefaultImplParam();
}
owner = isFakeOverride && !overridesTrait && !isInterface(initialDescriptor.getContainingDeclaration())
? JvmClassName.byType(typeMapper.mapType(
((ClassDescriptor) initialDescriptor.getContainingDeclaration()).getDefaultType(), JetTypeMapperMode.IMPL))
: callableMethod.getOwner();
}
return StackValue.property(propertyDescriptor, owner, ownerParam, asmType(propertyDescriptor.getType()),
isStatic, isInterface, isSuper, getter, setter, getterInvokeOpcode, setterInvokeOpcode, state);
return StackValue.property(propertyDescriptor, owner, asmType(propertyDescriptor.getType()),
isStatic, getter, setter, getterInvokeOpcode, setterInvokeOpcode, state);
}
private static int getOpcodeForPropertyDescriptorWithoutAccessor(PropertyDescriptor descriptor) {
@@ -1620,8 +1620,8 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
// @todo write directly to the field. Fix test excloset.jet::test6
JvmClassName owner = typeMapper.getOwner(propertyDescriptor, OwnerKind.IMPLEMENTATION, isCallInsideSameModuleAsDeclared(propertyDescriptor, codegen.context));
Type propType = typeMapper.mapType(jetType);
StackValue.property(propertyDescriptor, owner, owner,
propType, false, false, false, null, null, 0, 0, state).store(propType, iv);
StackValue.property(propertyDescriptor, owner,
propType, false, null, null, 0, 0, state).store(propType, iv);
}
}
}
@@ -137,18 +137,15 @@ public abstract class StackValue {
public static Property property(
PropertyDescriptor descriptor,
JvmClassName methodOwner,
JvmClassName methodOwnerParam,
Type type,
boolean isStatic,
boolean isInterface,
boolean isSuper,
@Nullable Method getter,
@Nullable Method setter,
int getterInvokeOpcode,
int setterInvokeOpcode,
GenerationState state
) {
return new Property(descriptor, methodOwner, methodOwnerParam, getter, setter, isStatic, isInterface, isSuper, type, getterInvokeOpcode, setterInvokeOpcode,
return new Property(descriptor, methodOwner, getter, setter, isStatic, type, getterInvokeOpcode, setterInvokeOpcode,
state);
}
@@ -866,11 +863,7 @@ public abstract class StackValue {
private final Method setter;
@NotNull
public final JvmClassName methodOwner;
@NotNull
private final JvmClassName methodOwnerParam;
private final boolean isInterface;
private final boolean isSuper;
private final int getterInvokeOpcode;
private final int setterInvokeOpcode;
@NotNull
@@ -879,17 +872,14 @@ public abstract class StackValue {
private final GenerationState state;
public Property(
@NotNull PropertyDescriptor descriptor, @NotNull JvmClassName methodOwner, @NotNull JvmClassName methodOwnerParam,
@Nullable Method getter, @Nullable Method setter, boolean isStatic, boolean isInterface, boolean isSuper,
@NotNull PropertyDescriptor descriptor, @NotNull JvmClassName methodOwner,
@Nullable Method getter, @Nullable Method setter, boolean isStatic,
@NotNull Type type, int getterInvokeOpcode, int setterInvokeOpcode, @NotNull GenerationState state
) {
super(type, isStatic);
this.methodOwner = methodOwner;
this.methodOwnerParam = methodOwnerParam;
this.getter = getter;
this.setter = setter;
this.isInterface = isInterface;
this.isSuper = isSuper;
this.getterInvokeOpcode = getterInvokeOpcode;
this.setterInvokeOpcode = setterInvokeOpcode;
this.descriptor = descriptor;
@@ -904,20 +894,13 @@ public abstract class StackValue {
@Override
public void put(Type type, InstructionAdapter v) {
if (isSuper && isInterface) {
assert getter != null;
v.visitMethodInsn(INVOKESTATIC, methodOwner.getInternalName(), getter.getName(),
getter.getDescriptor().replace("(", "(" + methodOwnerParam.getDescriptor()));
if (getter == null) {
v.visitFieldInsn(isStatic ? GETSTATIC : GETFIELD, methodOwner.getInternalName(), descriptor.getName().getName(),
this.type.getDescriptor());
genNotNullAssertionForField(v, state, descriptor);
}
else {
if (getter == null) {
v.visitFieldInsn(isStatic ? GETSTATIC : GETFIELD, methodOwner.getInternalName(), descriptor.getName().getName(),
this.type.getDescriptor());
genNotNullAssertionForField(v, state, descriptor);
}
else {
v.visitMethodInsn(getterInvokeOpcode, methodOwner.getInternalName(), getter.getName(), getter.getDescriptor());
}
v.visitMethodInsn(getterInvokeOpcode, methodOwner.getInternalName(), getter.getName(), getter.getDescriptor());
}
coerceTo(type, v);
}
@@ -925,15 +908,9 @@ public abstract class StackValue {
@Override
public void store(Type topOfStackType, InstructionAdapter v) {
coerceFrom(topOfStackType, v);
if (isSuper && isInterface) {
assert setter != null;
v.visitMethodInsn(INVOKESTATIC, methodOwner.getInternalName(), setter.getName(),
setter.getDescriptor().replace("(", "(" + methodOwnerParam.getDescriptor()));
}
else if (setter == null) {
if (setter == null) {
v.visitFieldInsn(isStatic ? PUTSTATIC : PUTFIELD, methodOwner.getInternalName(), descriptor.getName().getName(),
this.type.getDescriptor());
}
this.type.getDescriptor()); }
else {
v.visitMethodInsn(setterInvokeOpcode, methodOwner.getInternalName(), setter.getName(), setter.getDescriptor());
}
@@ -159,6 +159,9 @@ public class DescriptorUtils {
@Nullable
public static DeclarationDescriptor findTopLevelParent(@NotNull DeclarationDescriptor declarationDescriptor) {
DeclarationDescriptor descriptor = declarationDescriptor;
if (declarationDescriptor instanceof PropertyAccessorDescriptor) {
descriptor = ((PropertyAccessorDescriptor)descriptor).getCorrespondingProperty();
}
while (!(descriptor == null || isTopLevelDeclaration(descriptor))) {
descriptor = descriptor.getContainingDeclaration();
}