Merge commit 'origin/master'

2026-10-06 10:07:41 +07:00 · 2011-01-27 14:23:14 +03:00
parent 86f1eede69 026f7f3dd4
commit 9870935737
33 changed files with 321 additions and 83 deletions
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.psi.impl.search;
+
+import com.intellij.openapi.application.QueryExecutorBase;
+import com.intellij.psi.*;
+import com.intellij.psi.search.LocalSearchScope;
+import com.intellij.psi.search.SearchScope;
+import com.intellij.psi.search.searches.ReferencesSearch;
+import com.intellij.psi.util.PsiElementFilter;
+import com.intellij.psi.util.PsiTreeUtil;
+import com.intellij.util.Processor;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Looks for references to local variable or method parameter in invalid (incomplete) code.
+ */
+public class VariableInIncompleteCodeSearcher extends QueryExecutorBase<PsiReference, ReferencesSearch.SearchParameters> {
+  public VariableInIncompleteCodeSearcher() {
+    super(true);
+  }
+
+  @Override
+  public void processQuery(@NotNull final ReferencesSearch.SearchParameters p, @NotNull final Processor<PsiReference> consumer) {
+    final PsiElement refElement = p.getElementToSearch();
+    if (!(refElement instanceof PsiLocalVariable || refElement instanceof PsiParameter)) return;
+
+    final SearchScope scope = refElement.getUseScope();
+    if (scope instanceof LocalSearchScope) {
+      final PsiElement[] scopeElements = ((LocalSearchScope)scope).getScope();
+      if (scopeElements.length == 1) {
+        final String name = ((PsiVariable)refElement).getName();
+        PsiTreeUtil.collectElements(scopeElements[0], new PsiElementFilter() {
+          @Override
+          public boolean isAccepted(final PsiElement element) {
+            if (element instanceof PsiJavaCodeReferenceElement) {
+              final PsiJavaCodeReferenceElement ref = (PsiJavaCodeReferenceElement)element;
+              if (name.equals(ref.getCanonicalText()) && ref.resolve() == null && ref.advancedResolve(true).getElement() == refElement) {
+                consumer.process(ref);
+              }
+            }
+            return false;
+          }
+        });
+      }
+    }
+  }
+}