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Inline utility class usage so we replace PsiAnnotation.class.isInstance() calls with instanceof checks, which is cheaper.

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This commit is contained in:
Maxim Shafirov
2009-11-03 20:07:31 +03:00
parent 6f47731d8c
commit c8fdc7f657
1 changed files with 13 additions and 3 deletions
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java/java-impl/src/com/intellij/psi/impl/source/PsiClassReferenceType.java
+13 -3
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@@ -20,10 +20,12 @@ import com.intellij.pom.java.LanguageLevel;
import com.intellij.psi.*;
import com.intellij.psi.impl.light.LightClassReference;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.PsiUtil;
import com.intellij.util.SmartList;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* @author max
*/
@@ -36,8 +38,16 @@ public class PsiClassReferenceType extends PsiClassType {
}
private static PsiAnnotation[] extractAnnosFromReference(PsiJavaCodeReferenceElement reference) {
PsiAnnotation[] annotations = PsiTreeUtil.getChildrenOfType(reference, PsiAnnotation.class);
return annotations == null ? PsiAnnotation.EMPTY_ARRAY : annotations;
List<PsiAnnotation> result = null;
for(PsiElement child = reference.getFirstChild(); child != null; child = child.getNextSibling()){
if (child instanceof PsiAnnotation) {
if (result == null) result = new SmartList<PsiAnnotation>();
result.add((PsiAnnotation)child);
}
}
if (result == null) return PsiAnnotation.EMPTY_ARRAY;
return result.toArray(new PsiAnnotation[result.size()]);
}
public PsiClassReferenceType(@NotNull PsiJavaCodeReferenceElement reference, LanguageLevel languageLevel, PsiAnnotation[] annotations) {