From b2882bf8f7feb5a02514260356e6d3d285355290 Mon Sep 17 00:00:00 2001
From: simonkellet <simon@simonkellet.xyz>
Date: Wed, 4 Oct 2023 12:41:29 +0100
Subject: [PATCH] end of prac 4

---
 .../main/java/triangle/optimiser/ConstantFolder.java   | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Triangle.Compiler/src/main/java/triangle/optimiser/ConstantFolder.java b/Triangle.Compiler/src/main/java/triangle/optimiser/ConstantFolder.java
index 903f87a..e1ea5d1 100644
--- a/Triangle.Compiler/src/main/java/triangle/optimiser/ConstantFolder.java
+++ b/Triangle.Compiler/src/main/java/triangle/optimiser/ConstantFolder.java
@@ -588,8 +588,16 @@ public class ConstantFolder implements ActualParameterVisitor<Void, AbstractSynt
 			
 			if (o.decl == StdEnvironment.addDecl) {
 				foldedValue = int1 + int2;
+			} else if(o.decl == StdEnvironment.multiplyDecl) {
+				foldedValue = int1 * int2;
+			} else if(o.decl == StdEnvironment.subtractDecl) {
+				foldedValue = int1 - int2;
+			} else if(o.decl == StdEnvironment.moduloDecl) {
+				foldedValue = int1 % int2;
+			} else if(o.decl == StdEnvironment.divideDecl) {
+				foldedValue = int1 / int2;
 			}
-
+			
 			if (foldedValue instanceof Integer) {
 				IntegerLiteral il = new IntegerLiteral(foldedValue.toString(), node1.getPosition());
 				IntegerExpression ie = new IntegerExpression(il, node1.getPosition());