From 6820962c44cc7a27fe45d0a2ebe8140cd11f5811 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 7 Jul 2023 18:29:08 +0100
Subject: Add typed int add node

---
 src/main/java/org/shedlang/compiler/stackir/StackCompiler.java | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/main/java/org/shedlang/compiler/stackir')

diff --git a/src/main/java/org/shedlang/compiler/stackir/StackCompiler.java b/src/main/java/org/shedlang/compiler/stackir/StackCompiler.java
index 9cd01151..c96b8cfd 100644
--- a/src/main/java/org/shedlang/compiler/stackir/StackCompiler.java
+++ b/src/main/java/org/shedlang/compiler/stackir/StackCompiler.java
@@ -12,6 +12,12 @@ public class StackCompiler {
     private StackCompiler() {
     }
 
+    private static PVector<Instruction> compileBinaryOperation(TypedBinaryOperationNode node) {
+        return compileExpression(node.left())
+            .plusAll(compileExpression(node.right()))
+            .plus(new IntAddInstruction(node.source()));
+    }
+
     private static PVector<Instruction> compileBoolLiteral(TypedBoolLiteralNode node) {
         return P.vector(new PushBoolInstruction(node.value(), node.source()));
     }
@@ -42,6 +48,9 @@ public class StackCompiler {
 
     public static PVector<Instruction> compileExpression(TypedExpressionNode node) {
         return switch (node) {
+            case TypedBinaryOperationNode typedBinaryOperationNode ->
+                compileBinaryOperation(typedBinaryOperationNode);
+
             case TypedBoolLiteralNode typedBoolLiteralNode ->
                 compileBoolLiteral(typedBoolLiteralNode);
 
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