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memoize psiClass()

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This commit is contained in:
Maxim Shafirov
2012-02-06 22:09:18 +04:00
parent f4ffbd3360
commit f91fa19ea1
1 changed files with 11 additions and 2 deletions
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compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaClassOrPackageScope.java
+11 -2
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@@ -1,5 +1,6 @@
package org.jetbrains.jet.lang.resolve.java; package org.jetbrains.jet.lang.resolve.java;
import com.intellij.openapi.util.Ref;
import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable; import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.descriptors.ClassOrNamespaceDescriptor; import org.jetbrains.jet.lang.descriptors.ClassOrNamespaceDescriptor;
@@ -19,6 +20,7 @@ public abstract class JavaClassOrPackageScope extends JetScopeImpl {
@NotNull @NotNull
protected final ClassOrNamespaceDescriptor descriptor; protected final ClassOrNamespaceDescriptor descriptor;
protected final JavaSemanticServices semanticServices; protected final JavaSemanticServices semanticServices;
private Ref<PsiClassWrapper> myPsiClassMemo;
protected JavaClassOrPackageScope(@NotNull ClassOrNamespaceDescriptor descriptor, @NotNull JavaSemanticServices semanticServices) { protected JavaClassOrPackageScope(@NotNull ClassOrNamespaceDescriptor descriptor, @NotNull JavaSemanticServices semanticServices) {
this.descriptor = descriptor; this.descriptor = descriptor;
@@ -39,7 +41,7 @@ public abstract class JavaClassOrPackageScope extends JetScopeImpl {
@NotNull @NotNull
@Override @Override
public Set<VariableDescriptor> getProperties(@NotNull String name) { public Set<VariableDescriptor> getProperties(@NotNull String name) {
PsiClassWrapper psiClass = psiClass(); PsiClassWrapper psiClass = memoPsiClass();
if (psiClass == null) { if (psiClass == null) {
return Collections.emptySet(); return Collections.emptySet();
@@ -50,10 +52,17 @@ public abstract class JavaClassOrPackageScope extends JetScopeImpl {
descriptor, psiClass.getPsiClass(), name, staticMembers()); descriptor, psiClass.getPsiClass(), name, staticMembers());
} }
private PsiClassWrapper memoPsiClass() {
if (myPsiClassMemo != null) return myPsiClassMemo.get();
PsiClassWrapper answer = psiClass();
myPsiClassMemo = new Ref<PsiClassWrapper>(answer);
return answer;
}
@NotNull @NotNull
@Override @Override
public Set<FunctionDescriptor> getFunctions(@NotNull String name) { public Set<FunctionDescriptor> getFunctions(@NotNull String name) {
PsiClassWrapper psiClassForPackage = psiClass(); PsiClassWrapper psiClassForPackage = memoPsiClass();
if (psiClassForPackage == null) { if (psiClassForPackage == null) {
return Collections.emptySet(); return Collections.emptySet();