From 4ac57fc914663e1f704dfb07cce2b269efd931e9 Mon Sep 17 00:00:00 2001
From: Vaibhav Sijaria <139199971+vaibhavsijaria@users.noreply.github.com>
Date: Thu, 3 Oct 2024 23:12:21 +0530
Subject: [PATCH] Refactor interpreter to handle division by zero errors

---
 src/error.zig       | 1 +
 src/interpreter.zig | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/error.zig b/src/error.zig
index 09ed0ba..7aea0ed 100644
--- a/src/error.zig
+++ b/src/error.zig
@@ -15,6 +15,7 @@ pub const RuntimeError = error{
     IncompatibleTypes,
     InvalidOperation,
     NullType,
+    DivisionByZero,
 };
 
 pub const Error = struct {
diff --git a/src/interpreter.zig b/src/interpreter.zig
index 11b6955..b7694b6 100644
--- a/src/interpreter.zig
+++ b/src/interpreter.zig
@@ -89,7 +89,13 @@ pub const Interpreter = struct {
                 .PLUS => obj{ .num = l + right.num },
                 .MINUS => obj{ .num = l - right.num },
                 .STAR => obj{ .num = l * right.num },
-                .SLASH => obj{ .num = l / right.num },
+                .SLASH => slash: {
+                    if (right.num == 0) {
+                        Error.printerr(expr.operator, "Division by zero");
+                        break :slash RuntimeErrors.DivisionByZero;
+                    }
+                    break :slash obj{ .num = l / right.num };
+                },
                 .GREATER => obj{ .boolean = l > right.num },
                 .GREATER_EQUAL => obj{ .boolean = l >= right.num },
                 .LESS => obj{ .boolean = l < right.num },