Issue 4796. Support for renaming named parameters in invocations

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/rename/RenameLocalVariableProcessor.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/rename/RenameLocalVariableProcessor.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/rename/RenameLocalVariableProcessor.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/rename/RenameLocalVariableProcessor.java
index e5d05e2f69ba802cb3ce00f0909f5fcf58b60053..2153d7d9b4a5070c33cdd33197c9063541ea0229 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/rename/RenameLocalVariableProcessor.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/rename/RenameLocalVariableProcessor.java
@@ -338,8 +338,10 @@ public class RenameLocalVariableProcessor extends DartRenameProcessor {
     return analyzePossibleConflicts(new FunctionLocalElement(variable), newName, pm);
   }
 
-  private void createEdits() {
-    List<TextEdit> allRenameEdits = getAllRenameEdits();
+  private void createEdits() throws CoreException {
+    List<TextEdit> allRenameEdits = Lists.newArrayList();
+    allRenameEdits.addAll(getLocalRenameEdits());
+    allRenameEdits.addAll(getNamedParameterRenameEdits());
 
     change = new CompilationUnitChange(
         RefactoringCoreMessages.RenameLocalVariableProcessor_name,
@@ -360,7 +362,7 @@ public class RenameLocalVariableProcessor extends DartRenameProcessor {
     return new ReplaceEdit(offset, oldName.length(), newName);
   }
 
-  private List<TextEdit> getAllRenameEdits() {
+  private List<TextEdit> getLocalRenameEdits() {
     final List<TextEdit> edits = Lists.newArrayList();
     DartNode enclosingMethod = ASTNodes.getParent(variableNode, DartMethodDefinition.class);
     enclosingMethod.accept(new ASTVisitor<Void>() {
@@ -377,6 +379,19 @@ public class RenameLocalVariableProcessor extends DartRenameProcessor {
     return edits;
   }
 
+  private List<TextEdit> getNamedParameterRenameEdits() throws CoreException {
+    List<TextEdit> edits = Lists.newArrayList();
+    if (variable.isParameter()) {
+      List<SearchMatch> references = RenameAnalyzeUtil.getReferences(variable, null);
+      for (SearchMatch match : references) {
+        int offset = match.getSourceRange().getOffset();
+        TextEdit edit = createRenameEdit(offset);
+        edits.add(edit);
+      }
+    }
+    return edits;
+  }
+
   private void initAST() throws DartModelException {
     unitNode = DartCompilerUtilities.resolveUnit(unit);
     // Prepare variable Node.