Initial support for mixins in dartc.

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

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartClassTypeAliasImpl.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartClassTypeAliasImpl.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartClassTypeAliasImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..88c9a0898abf5533e5abfc5e9788f5328ca1f51b
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+++ b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/DartClassTypeAliasImpl.java
@@ -0,0 +1,140 @@
+/*
+ * 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.internal.model;
+
+import com.google.dart.tools.core.internal.model.info.DartElementInfo;
+import com.google.dart.tools.core.internal.model.info.DartTypeInfo;
+import com.google.dart.tools.core.internal.util.CharOperation;
+import com.google.dart.tools.core.internal.util.MementoTokenizer;
+import com.google.dart.tools.core.model.DartClassTypeAlias;
+import com.google.dart.tools.core.model.DartElement;
+import com.google.dart.tools.core.model.DartModelException;
+import com.google.dart.tools.core.model.DartTypeParameter;
+import com.google.dart.tools.core.model.SourceRange;
+import com.google.dart.tools.core.workingcopy.WorkingCopyOwner;
+
+import java.util.List;
+
+/**
+ * Instances of the class <code>DartClassTypeAliasImpl</code> implement the representation of class
+ * type alist defined in compilation units.
+ */
+public class DartClassTypeAliasImpl extends SourceReferenceImpl implements DartClassTypeAlias {
+  /**
+   * The name of the type.
+   */
+  private String name;
+
+  /**
+   * Initialize a newly created type to be defined within the given compilation unit.
+   * 
+   * @param parent the compilation unit containing the type
+   * @param name the name of the type
+   */
+  public DartClassTypeAliasImpl(CompilationUnitImpl parent, String name) {
+    super(parent);
+    this.name = name;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (!(o instanceof DartClassTypeAliasImpl)) {
+      return false;
+    }
+    return super.equals(o);
+  }
+
+  @Override
+  public String getElementName() {
+    return name;
+  }
+
+  @Override
+  public int getElementType() {
+    return DartElement.CLASS_TYPE_ALIAS;
+  }
+
+  @Override
+  public SourceRange getNameRange() throws DartModelException {
+    return ((DartTypeInfo) getElementInfo()).getNameRange();
+  }
+
+  @Override
+  public String getSuperclassName() throws DartModelException {
+    DartTypeInfo info = (DartTypeInfo) getElementInfo();
+    char[] superclassName = info.getSuperclassName();
+    if (superclassName == null) {
+      return null;
+    }
+    return new String(superclassName);
+  }
+
+  @Override
+  public String[] getSuperInterfaceNames() throws DartModelException {
+    DartTypeInfo info = (DartTypeInfo) getElementInfo();
+    char[][] names = info.getInterfaceNames();
+    return CharOperation.toStrings(names);
+  }
+
+  @Override
+  public String[] getSupertypeNames() throws DartModelException {
+    DartTypeInfo info = (DartTypeInfo) getElementInfo();
+    char[] superclassName = info.getSuperclassName();
+    char[][] names = info.getInterfaceNames();
+    int count = names.length;
+    if (superclassName != null) {
+      count++;
+    }
+    String[] supertypeNames = new String[count];
+    int index = 0;
+    if (superclassName != null) {
+      supertypeNames[0] = new String(superclassName);
+      index++;
+    }
+    for (char[] interfaceName : names) {
+      supertypeNames[index++] = new String(interfaceName);
+    }
+    return supertypeNames;
+  }
+
+  @Override
+  public DartTypeParameter[] getTypeParameters() throws DartModelException {
+    List<DartTypeParameter> list = getChildrenOfType(DartTypeParameter.class);
+    return list.toArray(new DartTypeParameter[list.size()]);
+  }
+
+  @Override
+  protected DartElementInfo createElementInfo() {
+    return null;
+  }
+
+  @Override
+  protected DartElement getHandleFromMemento(String token, MementoTokenizer tokenizer,
+      WorkingCopyOwner owner) {
+    switch (token.charAt(0)) {
+      case MEMENTO_DELIMITER_TYPE_PARAMETER:
+        if (!tokenizer.hasMoreTokens()) {
+          return this;
+        }
+        DartTypeParameterImpl typeParameter = new DartTypeParameterImpl(this, tokenizer.nextToken());
+        return typeParameter.getHandleFromMemento(tokenizer, owner);
+    }
+    return null;
+  }
+
+  @Override
+  protected char getHandleMementoDelimiter() {
+    return MEMENTO_DELIMITER_CLASS_TYPE_ALIAS;
+  }
+}