Initial support for mixins in dartc.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/model/DartClassTypeAlias.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/model/DartClassTypeAlias.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/model/DartClassTypeAlias.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/model/DartClassTypeAlias.java
new file mode 100644
index 0000000000000000000000000000000000000000..d39d811cd6063e4ccbb5a1678a43f010ab6e586d
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+++ b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/model/DartClassTypeAlias.java
@@ -0,0 +1,64 @@
+/*
+ * 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.tools.core.model;
+
+/**
+ * The interface <code>DartClassTypeAlias</code> defines the behavior of objects representing class
+ * type aliases defined in compilation units.
+ */
+public interface DartClassTypeAlias extends CompilationUnitElement, SourceManipulation,
+    SourceReference {
+  /**
+   * Return the name of this class' superclass, or <code>null</code> for source types that do not
+   * specify a superclass.
+   * <p>
+   * For interfaces, the superclass name is always <code>null</code>.
+   * 
+   * @return the name of this class' superclass, or <code>null</code> for source types that do not
+   *         specify a superclass
+   * @throws DartModelException if this element does not exist or if an exception occurs while
+   *           accessing its corresponding resource
+   */
+  public String getSuperclassName() throws DartModelException;
+
+  /**
+   * Return the names of interfaces that this type implements or extends, in the order in which they
+   * are listed in the source.
+   * <p>
+   * For classes, this gives the interfaces that this class implements. For interfaces, this gives
+   * the interfaces that this interface extends. An empty collection is returned if this type does
+   * not implement or extend any interfaces.
+   * 
+   * @return the names of interfaces that this type implements or extends, in the order in which
+   *         they are listed in the source, or an empty collection if none
+   * @throws DartModelException if this element does not exist or if an exception occurs while
+   *           accessing its corresponding resource
+   */
+  public String[] getSuperInterfaceNames() throws DartModelException;
+
+  /**
+   * Return the names of the supertypes of this type, including both the superclass name (if it
+   * exists) and the names of the superinterfaces.
+   * 
+   * @return the names of the supertypes of this type
+   * @throws DartModelException if this element does not exist or if an exception occurs while
+   *           accessing its corresponding resource
+   */
+  public String[] getSupertypeNames() throws DartModelException;
+
+  /**
+   * @return the {@link DartTypeParameter}s declared by this type
+   */
+  public DartTypeParameter[] getTypeParameters() throws DartModelException;
+}