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'override' checks changed; tests added

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This commit is contained in:
svtk
2011-09-13 12:20:41 +04:00
parent dcabbc6c81
commit 6fd7efaaba
3 changed files with 97 additions and 14 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/descriptors/FunctionDescriptorImpl.java
+3
View File
@@ -142,6 +142,9 @@ public class FunctionDescriptorImpl extends DeclarationDescriptorImpl implements
substitutedReturnType,
modality
);
for (FunctionDescriptor overriddenFunction : overriddenFunctions) {
substitutedDescriptor.addOverriddenFunction(overriddenFunction);
}
return substitutedDescriptor;
}
compiler/frontend/src/org/jetbrains/jet/lang/resolve/BodyResolver.java
+18 -14
View File
@@ -127,9 +127,15 @@ public class BodyResolver {
return;
}
Set<FunctionDescriptor> allOverriddenFunctions = Sets.newHashSet();
for (FunctionDescriptor declaredFunction : classDescriptor.getFunctions()) {
for (FunctionDescriptor overriddenDescriptor : declaredFunction.getOverriddenDescriptors()) {
allOverriddenFunctions.add(overriddenDescriptor.getOriginal());
Collection<DeclarationDescriptor> allDescriptors = classDescriptor.getDefaultType().getMemberScope().getAllDescriptors();
for (DeclarationDescriptor descriptor : allDescriptors) {
if (descriptor instanceof FunctionDescriptor) {
FunctionDescriptor functionDescriptor = (FunctionDescriptor) descriptor;
if (functionDescriptor.getModality() != Modality.ABSTRACT) {
for (FunctionDescriptor overriddenDescriptor : functionDescriptor.getOverriddenDescriptors()) {
allOverriddenFunctions.add(overriddenDescriptor.getOriginal());
}
}
}
}
boolean foundError = false;
@@ -137,19 +143,17 @@ public class BodyResolver {
if (klass instanceof JetClass) {
nameIdentifier = ((JetClass) klass).getNameIdentifier();
}
else if (klass instanceof JetObjectDeclaration) {
else if (klass instanceof JetObjectDeclaration) {
nameIdentifier = ((JetObjectDeclaration) klass).getNameIdentifier();
}
for (JetType supertype : classDescriptor.getTypeConstructor().getSupertypes()) {
Collection<DeclarationDescriptor> allDescriptors = supertype.getMemberScope().getAllDescriptors();
for (DeclarationDescriptor descriptor : allDescriptors) {
if (descriptor instanceof FunctionDescriptor) {
FunctionDescriptor functionDescriptor = (FunctionDescriptor) descriptor;
if (functionDescriptor.getModality() == Modality.ABSTRACT && !allOverriddenFunctions.contains(functionDescriptor.getOriginal()) && !foundError && nameIdentifier != null) {
DeclarationDescriptor declarationDescriptor = supertype.getConstructor().getDeclarationDescriptor();
assert declarationDescriptor != null;
for (DeclarationDescriptor descriptor : allDescriptors) {
if (descriptor instanceof FunctionDescriptor) {
FunctionDescriptor functionDescriptor = (FunctionDescriptor) descriptor;
if (functionDescriptor.getModality() == Modality.ABSTRACT && !allOverriddenFunctions.contains(functionDescriptor.getOriginal()) && !foundError && nameIdentifier != null) {
DeclarationDescriptor declarationDescriptor = functionDescriptor.getContainingDeclaration();
if (declarationDescriptor != classDescriptor) {
context.getTrace().getErrorHandler().genericError(nameIdentifier.getNode(), "Class '" + klass.getName() + "' must be declared abstract or implement abstract method '" +
functionDescriptor.getName() + "' in " + declarationDescriptor.getName());
functionDescriptor.getName() + "' in " + declarationDescriptor.getName());
foundError = true;
}
}
@@ -180,7 +184,7 @@ public class BodyResolver {
if (!hasOverrideModifier && declaredFunction.getOverriddenDescriptors().size() > 0 && nameIdentifier != null) {
FunctionDescriptor overriddenMethod = declaredFunction.getOverriddenDescriptors().iterator().next();
context.getTrace().getErrorHandler().genericError(nameIdentifier.getNode(),
"Method " + declaredFunction.getName() + " overrides method " + overriddenMethod.getName() + " in class " +
"Method '" + declaredFunction.getName() + "' overrides method '" + overriddenMethod.getName() + "' in class " +
overriddenMethod.getContainingDeclaration().getName() + " and needs 'override' modifier");
}
}