Don't infer non-final field types

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/code/TokenUtils.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/code/TokenUtils.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/code/TokenUtils.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/code/TokenUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..cbd83ef91076aab94f04f2a77d1ac6fceb12a049
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/code/TokenUtils.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2012, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
+ * 
+ * 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.google.dart.tools.internal.corext.refactoring.code;
+
+import com.google.common.collect.Lists;
+import com.google.dart.engine.scanner.Keyword;
+import com.google.dart.engine.scanner.KeywordToken;
+import com.google.dart.engine.scanner.StringScanner;
+import com.google.dart.engine.scanner.Token;
+import com.google.dart.engine.scanner.TokenType;
+import com.google.dart.tools.internal.corext.refactoring.util.ExecutionUtils;
+import com.google.dart.tools.internal.corext.refactoring.util.RunnableEx;
+
+import java.util.List;
+
+/**
+ * Utilities to work with {@link Token}s.
+ * 
+ * @coverage dart.editor.ui.refactoring.core
+ */
+public class TokenUtils {
+  /**
+   * @return the {@link Token} with given {@link Keyword}, may be <code>null</code> if not found.
+   */
+  public static KeywordToken findKeywordToken(List<Token> tokens, Keyword keyword) {
+    for (int i = 0; i < tokens.size(); i++) {
+      Token token = tokens.get(i);
+      if (token instanceof KeywordToken) {
+        KeywordToken keywordToken = (KeywordToken) token;
+        if (keywordToken.getKeyword() == keyword) {
+          return keywordToken;
+        }
+      }
+    }
+    return null;
+  }
+
+  /**
+   * @return {@link Token}s of the given Dart source.
+   */
+  public static List<Token> getTokens(final String s) {
+    final List<Token> tokens = Lists.newArrayList();
+    ExecutionUtils.runIgnore(new RunnableEx() {
+      @Override
+      public void run() throws Exception {
+        StringScanner scanner = new StringScanner(null, s, null);
+        com.google.dart.engine.scanner.Token token = scanner.tokenize();
+        while (token.getType() != TokenType.EOF) {
+          tokens.add(token);
+          token = token.getNext();
+        }
+      }
+    });
+    return tokens;
+  }
+}