Read Java instanceof expressions

1 files changed, 10 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/frontends/java/JavaExpressionReader.java b/src/main/java/org/zwobble/couscous/frontends/java/JavaExpressionReader.java
index e6b3822..370719e 100644
--- a/src/main/java/org/zwobble/couscous/frontends/java/JavaExpressionReader.java
+++ b/src/main/java/org/zwobble/couscous/frontends/java/JavaExpressionReader.java
@@ -19,6 +19,7 @@ import static org.zwobble.couscous.ast.InstanceReceiver.instanceReceiver;
 import static org.zwobble.couscous.ast.LiteralNode.literal;
 import static org.zwobble.couscous.ast.MethodCallNode.methodCall;
 import static org.zwobble.couscous.ast.OperationNode.operation;
+import static org.zwobble.couscous.ast.Operations.instanceOf;
 import static org.zwobble.couscous.ast.Operations.not;
 import static org.zwobble.couscous.ast.StaticReceiver.staticReceiver;
 import static org.zwobble.couscous.ast.ThisReferenceNode.thisReference;
@@ -109,6 +110,9 @@ public class JavaExpressionReader {
                 case ASTNode.INFIX_EXPRESSION:
                     return readInfixExpression((InfixExpression)expression);
 
+                case ASTNode.INSTANCEOF_EXPRESSION:
+                    return readInstanceofExpression((InstanceofExpression)expression);
+
                 case ASTNode.PREFIX_EXPRESSION:
                     return readPrefixExpression((PrefixExpression)expression);
 
@@ -376,6 +380,12 @@ public class JavaExpressionReader {
         return type.equals(Types.BOOLEAN) || type.equals(Types.INT);
     }
 
+    private ExpressionNode readInstanceofExpression(InstanceofExpression expression) {
+        return instanceOf(
+            readExpressionWithoutBoxing(expression.getLeftOperand()),
+            (ScalarType)typeOf(expression.getRightOperand()));
+    }
+
     private ExpressionNode readPrefixExpression(PrefixExpression expression) {
         if (expression.getOperator() == PrefixExpression.Operator.NOT) {
             return not(readExpression(Types.BOOLEAN, expression.getOperand()));