New analyzer_experimental snapshot.

editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/TypeSemanticProcessor.java

Index: editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/TypeSemanticProcessor.java
diff --git a/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/TypeSemanticProcessor.java b/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/TypeSemanticProcessor.java
new file mode 100644
index 0000000000000000000000000000000000000000..9d971818d5b3c5bfd40856aed95aa32bb3fa7485
--- /dev/null
+++ b/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/TypeSemanticProcessor.java
@@ -0,0 +1,58 @@
+/*
+ * 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.java2dart.processor;
+
+import com.google.common.base.Objects;
+import com.google.dart.engine.ast.CompilationUnit;
+import com.google.dart.engine.ast.ConditionalExpression;
+import com.google.dart.engine.ast.Expression;
+import com.google.dart.engine.ast.TypeName;
+import com.google.dart.engine.ast.VariableDeclaration;
+import com.google.dart.engine.ast.VariableDeclarationList;
+import com.google.dart.engine.ast.visitor.GeneralizingASTVisitor;
+import com.google.dart.java2dart.Context;
+
+import static com.google.dart.java2dart.util.ASTFactory.asExpression;
+import static com.google.dart.java2dart.util.ASTFactory.parenthesizedExpression;
+
+import org.eclipse.jdt.core.dom.ITypeBinding;
+
+/**
+ * {@link SemanticProcessor} for Dart vs. Java type differences.
+ */
+public class TypeSemanticProcessor extends SemanticProcessor {
+  public TypeSemanticProcessor(Context context) {
+    super(context);
+  }
+
+  @Override
+  public void process(CompilationUnit unit) {
+    unit.accept(new GeneralizingASTVisitor<Void>() {
+      @Override
+      public Void visitVariableDeclaration(VariableDeclaration node) {
+        Expression initializer = node.getInitializer();
+        if (initializer instanceof ConditionalExpression) {
+          ITypeBinding reqType = context.getNodeTypeBinding(node);
+          ITypeBinding initType = context.getNodeTypeBinding(initializer);
+          if (!Objects.equal(reqType, initType)) {
+            TypeName reqTypeName = ((VariableDeclarationList) node.getParent()).getType();
+            node.setInitializer(asExpression(parenthesizedExpression(initializer), reqTypeName));
+          }
+        }
+        return super.visitVariableDeclaration(node);
+      }
+    });
+  }
+}