From 54cff9ee73eadd200c6793c5d2a520f76e1aba4f Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 17 Jun 2016 21:36:44 +0100
Subject: Support instanceof in C# backend

---
 .../org/zwobble/couscous/ast/InstanceOfNode.java   | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java

(limited to 'src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java')

diff --git a/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java b/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java
new file mode 100644
index 0000000..21f823b
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/ast/InstanceOfNode.java
@@ -0,0 +1,69 @@
+package org.zwobble.couscous.ast;
+
+import org.zwobble.couscous.ast.visitors.ExpressionNodeMapper;
+import org.zwobble.couscous.ast.visitors.NodeTransformer;
+import org.zwobble.couscous.types.ScalarType;
+import org.zwobble.couscous.types.Type;
+import org.zwobble.couscous.types.Types;
+
+public class InstanceOfNode implements ExpressionNode {
+    private final ExpressionNode left;
+    private final ScalarType right;
+
+    public InstanceOfNode(ExpressionNode left, ScalarType right) {
+        this.left = left;
+        this.right = right;
+    }
+
+    public ExpressionNode getLeft() {
+        return left;
+    }
+
+    public ScalarType getRight() {
+        return right;
+    }
+
+    @Override
+    public Type getType() {
+        return Types.BOOLEAN;
+    }
+
+    @Override
+    public <T> T accept(ExpressionNodeMapper<T> visitor) {
+        return visitor.visit(this);
+    }
+
+    @Override
+    public ExpressionNode transform(NodeTransformer transformer) {
+        return new InstanceOfNode(
+            transformer.transformExpression(left),
+            transformer.transform(right));
+    }
+
+    @Override
+    public String toString() {
+        return "InstanceOfNode(" +
+            "left=" + left +
+            ", right=" + right +
+            ')';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        InstanceOfNode that = (InstanceOfNode) o;
+
+        if (!left.equals(that.left)) return false;
+        return right.equals(that.right);
+
+    }
+
+    @Override
+    public int hashCode() {
+        int result = left.hashCode();
+        result = 31 * result + right.hashCode();
+        return result;
+    }
+}
-- 
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