Cache getting qualified name for package expression

2012-10-12 15:32:08 +04:00
parent 7d292c62e0
commit ef7ed937c1
1 changed files with 8 additions and 1 deletions
@@ -33,6 +33,8 @@ import java.util.List;
 * @author abreslav
 */
 public class JetNamespaceHeader extends JetReferenceExpression {
+    private String qualifiedNameCache = null;
+
    public JetNamespaceHeader(@NotNull ASTNode node) {
        super(node);
    }
@@ -104,9 +106,14 @@ public class JetNamespaceHeader extends JetReferenceExpression {

    @NotNull
    public String getQualifiedName() {
-        return getQualifiedNameParentOf(null);
+        if (qualifiedNameCache == null) {
+            qualifiedNameCache = getQualifiedNameParentOf(null);
+        }
+
+        return qualifiedNameCache;
    }

+    @NotNull
    private String getQualifiedNameParentOf(@Nullable JetReferenceExpression nameExpression) {
        StringBuilder builder = new StringBuilder();
        for (JetSimpleNameExpression e : findChildrenByClass(JetSimpleNameExpression.class)) {