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Minor, extract methods in TImpl codegen

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This commit is contained in:
Alexander Udalov
2013-03-15 20:55:15 +04:00
parent 8afa46ed6d
commit d6129045ce
1 changed files with 64 additions and 35 deletions
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compiler/backend/src/org/jetbrains/jet/codegen/ImplementationBodyCodegen.java
+64 -35
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@@ -1364,27 +1364,9 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
int flags = ACC_PUBLIC; // TODO.
Method function;
Method functionOriginal;
if (fun instanceof PropertyAccessorDescriptor) {
PropertyDescriptor property = ((PropertyAccessorDescriptor) fun).getCorrespondingProperty();
PropertyDescriptor original = property.getOriginal();
if (fun instanceof PropertyGetterDescriptor) {
function = typeMapper.mapGetterSignature(property, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
functionOriginal = typeMapper.mapGetterSignature(original, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
}
else if (fun instanceof PropertySetterDescriptor) {
function = typeMapper.mapSetterSignature(property, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
functionOriginal = typeMapper.mapSetterSignature(original, OwnerKind.IMPLEMENTATION).getJvmMethodSignature().getAsmMethod();
}
else {
throw new IllegalStateException("Accessor is neither getter, nor setter, what is it? " + fun);
}
}
else {
function = typeMapper.mapSignature(fun.getName(), fun).getAsmMethod();
functionOriginal = typeMapper.mapSignature(fun.getName(), fun.getOriginal()).getAsmMethod();
}
TraitImplDelegateInfo delegateInfo = getTraitImplDelegateInfo(fun);
Method function = delegateInfo.delegate;
Method functionOriginal = delegateInfo.original;
MethodVisitor mv = v.newMethod(myClass, flags, function.getName(), function.getDescriptor(), null, null);
AnnotationCodegen.forMethod(mv, state.getTypeMapper()).genAnnotations(fun);
@@ -1396,20 +1378,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
isCallInsideSameModuleAsDeclared(inheritedFun, context),
OwnerKind.IMPLEMENTATION).getSignature();
JetMethodAnnotationWriter aw = JetMethodAnnotationWriter.visitAnnotation(mv);
int kotlinFlags = getFlagsForVisibility(fun.getVisibility());
if (fun instanceof PropertyAccessorDescriptor) {
kotlinFlags |= JvmStdlibNames.FLAG_PROPERTY_BIT;
aw.writeTypeParameters(jvmSignature.getKotlinTypeParameter());
aw.writePropertyType(jvmSignature.getKotlinReturnType());
}
else {
aw.writeTypeParameters(jvmSignature.getKotlinTypeParameter());
aw.writeReturnType(jvmSignature.getKotlinReturnType());
}
kotlinFlags |= DescriptorKindUtils.kindToFlags(inheritedFun.getKind());
aw.writeFlags(kotlinFlags);
aw.visitEnd();
writeAnnotationForDelegateToTraitImpl(fun, inheritedFun, mv, jvmSignature);
if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
genStubCode(mv);
@@ -1446,6 +1415,66 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
FunctionCodegen.generateBridgeIfNeeded(context, state, v, function, fun);
}
private static class TraitImplDelegateInfo {
private final Method delegate;
private final Method original;
private TraitImplDelegateInfo(@NotNull Method delegate, @NotNull Method original) {
this.delegate = delegate;
this.original = original;
}
}
@NotNull
private TraitImplDelegateInfo getTraitImplDelegateInfo(@NotNull FunctionDescriptor fun) {
if (fun instanceof PropertyAccessorDescriptor) {
PropertyDescriptor property = ((PropertyAccessorDescriptor) fun).getCorrespondingProperty();
PropertyDescriptor original = property.getOriginal();
if (fun instanceof PropertyGetterDescriptor) {
JvmPropertyAccessorSignature function = typeMapper.mapGetterSignature(property, OwnerKind.IMPLEMENTATION);
JvmPropertyAccessorSignature functionOriginal = typeMapper.mapGetterSignature(original, OwnerKind.IMPLEMENTATION);
return new TraitImplDelegateInfo(
function.getJvmMethodSignature().getAsmMethod(), functionOriginal.getJvmMethodSignature().getAsmMethod());
}
else if (fun instanceof PropertySetterDescriptor) {
JvmPropertyAccessorSignature function = typeMapper.mapSetterSignature(property, OwnerKind.IMPLEMENTATION);
JvmPropertyAccessorSignature functionOriginal = typeMapper.mapSetterSignature(original, OwnerKind.IMPLEMENTATION);
return new TraitImplDelegateInfo(
function.getJvmMethodSignature().getAsmMethod(), functionOriginal.getJvmMethodSignature().getAsmMethod());
}
else {
throw new IllegalStateException("Accessor is neither getter, nor setter, what is it? " + fun);
}
}
else {
Method function = typeMapper.mapSignature(fun.getName(), fun).getAsmMethod();
Method functionOriginal = typeMapper.mapSignature(fun.getName(), fun.getOriginal()).getAsmMethod();
return new TraitImplDelegateInfo(function, functionOriginal);
}
}
private static void writeAnnotationForDelegateToTraitImpl(
@NotNull FunctionDescriptor fun,
@NotNull FunctionDescriptor inheritedFun,
@NotNull MethodVisitor mv,
@NotNull JvmMethodSignature jvmSignature
) {
JetMethodAnnotationWriter aw = JetMethodAnnotationWriter.visitAnnotation(mv);
int kotlinFlags = getFlagsForVisibility(fun.getVisibility());
if (fun instanceof PropertyAccessorDescriptor) {
kotlinFlags |= JvmStdlibNames.FLAG_PROPERTY_BIT;
aw.writeTypeParameters(jvmSignature.getKotlinTypeParameter());
aw.writePropertyType(jvmSignature.getKotlinReturnType());
}
else {
aw.writeTypeParameters(jvmSignature.getKotlinTypeParameter());
aw.writeReturnType(jvmSignature.getKotlinReturnType());
}
kotlinFlags |= DescriptorKindUtils.kindToFlags(inheritedFun.getKind());
aw.writeFlags(kotlinFlags);
aw.visitEnd();
}
private void generateDelegatorToConstructorCall(
InstructionAdapter iv, ExpressionCodegen codegen,
ConstructorDescriptor constructorDescriptor,