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'isSubclass' method refactoring

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This commit is contained in:
Svetlana Isakova
2012-04-17 20:47:51 +04:00
parent e4026c6465
commit f208f9c64a
1 changed files with 4 additions and 5 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/resolve/DescriptorUtils.java
+4 -5
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@@ -281,17 +281,16 @@ public class DescriptorUtils {
}
public static boolean isSubclass(@NotNull ClassDescriptor subClass, @NotNull ClassDescriptor superClass) {
DeclarationDescriptor superOriginal = superClass.getOriginal();
return hasEqualSuperType(subClass.getDefaultType(), superOriginal);
return isSubtypeOfClass(subClass.getDefaultType(), superClass.getOriginal());
}
private static boolean hasEqualSuperType(@NotNull JetType type, @NotNull DeclarationDescriptor superOriginal) {
private static boolean isSubtypeOfClass(@NotNull JetType type, @NotNull DeclarationDescriptor superClass) {
DeclarationDescriptor descriptor = type.getConstructor().getDeclarationDescriptor();
if (descriptor != null && superOriginal.equals(descriptor.getOriginal())) {
if (descriptor != null && superClass == descriptor.getOriginal()) {
return true;
}
for (JetType superType : type.getConstructor().getSupertypes()) {
if (hasEqualSuperType(superType, superOriginal)) {
if (isSubtypeOfClass(superType, superClass)) {
return true;
}
}