1 files changed, 13 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/query2/engine/BinaryOperatorExpression.java b/src/main/java/com/google/devtools/build/lib/query2/engine/BinaryOperatorExpression.java
index 60d38e7a35..66555c7bee 100644
--- a/src/main/java/com/google/devtools/build/lib/query2/engine/BinaryOperatorExpression.java
+++ b/src/main/java/com/google/devtools/build/lib/query2/engine/BinaryOperatorExpression.java
@@ -45,6 +45,14 @@ class BinaryOperatorExpression extends QueryExpression {
     this.operands = ImmutableList.copyOf(operands);
   }
 
+  Lexer.TokenKind getOperator() {
+    return operator;
+  }
+
+  ImmutableList<QueryExpression> getOperands() {
+    return operands;
+  }
+
   @Override
   public <T> void eval(QueryEnvironment<T> env, Callback<T> callback)
       throws QueryException, InterruptedException {
@@ -85,6 +93,11 @@ class BinaryOperatorExpression extends QueryExpression {
   }
 
   @Override
+  public QueryExpression getMapped(QueryExpressionMapper mapper) {
+    return mapper.map(this);
+  }
+
+  @Override
   public String toString() {
     StringBuilder result = new StringBuilder();
     for (int i = 1; i < operands.size(); i++) {