From 2802623c4c45ab8836598108ecc811283ebbd3ed Mon Sep 17 00:00:00 2001
From: n loewen <nick@nloewen.com>
Date: Thu, 24 Aug 2023 16:33:33 +0100
Subject: [PATCH] assembler - Change error handling: Just quit, don't throw a
 JS error

---
 assembler.js | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/assembler.js b/assembler.js
index 1c5e0a7..01074d3 100644
--- a/assembler.js
+++ b/assembler.js
@@ -110,8 +110,7 @@ function preparseSourceCode(source) {
         console.error();
         console.error(`Error: Too many arguments`);
         console.error(` at line ${info.number}`);
-        console.error();
-        throw new Error("Too many arguments");
+        process.exit();
       }
     }
     return info;
@@ -240,8 +239,7 @@ function decodeInstructions(source) {
             console.error('');
             console.error(`Error: Missing operand ${line.source}`);
             console.error(`  at line ${line.number}`);
-            console.error('');
-            throw new Error("Missing operand");
+            process.exit();
           } else {
             // It *is* one of the special optional-arg ops
             // So let's fill in the implicit operand with $00
@@ -320,8 +318,7 @@ function decodeInstructions(source) {
           console.error();
           console.error(`Error: Undefined constant '${line.argument}'`);
           console.error(`  at line ${line.number}`);
-          console.error();
-          throw new Error('Undefined constant');
+          process.exit();
         }
         decodedArg = decodeNumericOp(constants[line.argument.substring(1)]); // substring(1) strips '>'
       }