analyzer_experimental checkpoint and AnalysisContext example.

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

Index: editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/ObjectSemanticProcessor.java
diff --git a/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/ObjectSemanticProcessor.java b/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/ObjectSemanticProcessor.java
index ba4894521ebc2c16d1b3892e7ea554f63463cccd..b1f43ae683a09e2e1ea994fd80eda90a34771df8 100644
--- a/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/ObjectSemanticProcessor.java
+++ b/editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/processor/ObjectSemanticProcessor.java
@@ -130,7 +130,21 @@ public class ObjectSemanticProcessor extends SemanticProcessor {
             return null;
           }
         }
-        return super.visitBinaryExpression(node);
+        // super
+        super.visitBinaryExpression(node);
+        // in Java "true | false" will compute both operands
+        if (node.getOperator().getType() == TokenType.BAR) {
+          Expression leftOperand = node.getLeftOperand();
+          ITypeBinding argTypeBinding = context.getNodeTypeBinding(leftOperand);
+          if (JavaUtils.isTypeNamed(argTypeBinding, "boolean")) {
+            replaceNode(
+                node,
+                methodInvocation("javaBooleanOr", leftOperand, node.getRightOperand()));
+            return null;
+          }
+        }
+        // done
+        return null;
       }
 
       @Override