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Utilities in JsDescriptorUtils.

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Adapted from https://github.com/develar/kotlin/commit/a9e0a42fb1347fa8e21c86b5a073ef8a7c873da0.
This commit is contained in:
Pavel V. Talanov
2012-08-13 18:25:15 +04:00
parent 22c0bf656d
commit 53994f15d3
1 changed files with 37 additions and 0 deletions
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js/js.translator/src/org/jetbrains/k2js/translate/utils/JsDescriptorUtils.java
+37
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@@ -19,11 +19,19 @@ package org.jetbrains.k2js.translate.utils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.descriptors.*;
import org.jetbrains.jet.lang.psi.JetExpression;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.DescriptorUtils;
import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
import org.jetbrains.jet.lang.resolve.name.Name;
import org.jetbrains.jet.lang.resolve.scopes.receivers.ClassReceiver;
import org.jetbrains.jet.lang.resolve.scopes.receivers.ExtensionReceiver;
import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
import org.jetbrains.jet.lang.types.JetType;
import org.jetbrains.jet.lang.types.expressions.OperatorConventions;
import org.jetbrains.jet.lang.types.lang.JetStandardClasses;
import org.jetbrains.jet.lang.types.lang.JetStandardLibrary;
import org.jetbrains.k2js.translate.context.TranslationContext;
import java.util.List;
import java.util.Set;
@@ -145,6 +153,35 @@ public final class JsDescriptorUtils {
!isDefaultAccessor(propertyDescriptor.getSetter());
}
public static boolean isStandardDeclaration(@NotNull DeclarationDescriptor descriptor) {
NamespaceDescriptor namespace = getContainingNamespace(descriptor);
if (namespace == null) {
return false;
}
return namespace.equals(JetStandardLibrary.getInstance().getLibraryScope().getContainingDeclaration());
}
@Nullable
public static NamespaceDescriptor getContainingNamespace(@NotNull DeclarationDescriptor descriptor) {
return DescriptorUtils.getParentOfType(descriptor, NamespaceDescriptor.class);
}
@Nullable
public static Name getNameIfStandardType(@NotNull JetExpression expression, @NotNull TranslationContext context) {
JetType type = context.bindingContext().get(BindingContext.EXPRESSION_TYPE, expression);
return type != null ? getNameIfStandardType(type) : null;
}
@Nullable
public static Name getNameIfStandardType(@NotNull JetType type) {
ClassifierDescriptor descriptor = type.getConstructor().getDeclarationDescriptor();
if (descriptor != null && descriptor.getContainingDeclaration() == JetStandardClasses.STANDARD_CLASSES_NAMESPACE) {
return descriptor.getName();
}
return null;
}
@NotNull
public static DeclarationDescriptor getDeclarationDescriptorForExtensionCallReceiver(
@NotNull ResolvedCall<? extends CallableDescriptor> resolvedCall