Constant evaluation support

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/object/EvaluationException.java

Index: editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/object/EvaluationException.java
diff --git a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/object/EvaluationException.java b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/object/EvaluationException.java
new file mode 100644
index 0000000000000000000000000000000000000000..e65aac2b9d854513f0fb6c96422fa0c817ee192a
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/object/EvaluationException.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2013, 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.engine.internal.object;
+
+import com.google.dart.engine.error.ErrorCode;
+
+/**
+ * Instances of the class {@code EvaluationException} represent a run-time exception that would be
+ * thrown during the evaluation of Dart code.
+ */
+public class EvaluationException extends Exception {
+  /**
+   * The error code associated with the exception.
+   */
+  private ErrorCode errorCode;
+
+  /**
+   * Initialize a newly created exception to have the given error code.
+   * 
+   * @param errorCode the error code associated with the exception
+   */
+  public EvaluationException(ErrorCode errorCode) {
+    this.errorCode = errorCode;
+  }
+
+  /**
+   * Return the error code associated with the exception, or {@code null} if there is no associated
+   * error code.
+   * 
+   * @return the error code associated with the exception
+   */
+  public ErrorCode getErrorCode() {
+    return errorCode;
+  }
+}