From 7c56f401ac60756c6ac55bd4e483529cf10a9891 Mon Sep 17 00:00:00 2001
From: nitrix <me@nitrix.one>
Date: Mon, 3 Feb 2020 22:28:37 +0100
Subject: [PATCH] add error prefix to the runtime exception message

---
 src/main/java/de/hsrm/compiler/Klang/GetFunctions.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/de/hsrm/compiler/Klang/GetFunctions.java b/src/main/java/de/hsrm/compiler/Klang/GetFunctions.java
index 9250ad9..f9faa5c 100644
--- a/src/main/java/de/hsrm/compiler/Klang/GetFunctions.java
+++ b/src/main/java/de/hsrm/compiler/Klang/GetFunctions.java
@@ -25,9 +25,12 @@ public class GetFunctions extends KlangBaseVisitor<Void> {
   @Override
   public Void visitFunctionDef(KlangParser.FunctionDefContext ctx) {
     String name = ctx.funcName.getText();
+    int line = ctx.start.getLine();
+    int col = ctx.start.getCharPositionInLine();
 
     if (this.funcs.containsKey(name)) {
-      throw new Error("Function " + name + " defined multiple times");
+      String error = "Function " + name + " defined multiple times.";
+      throw new Error(Helper.getErrorPrefix(line, col) + error);
     }
     
     Type returnType = Type.getByName(ctx.returnType.type().getText());