From c190289f6fea9f2ed638381c98f64521f0fe684f Mon Sep 17 00:00:00 2001
From: Arne Keller <arne.keller@student.kit.edu>
Date: Sat, 21 Aug 2021 16:50:37 +0200
Subject: [PATCH] =?UTF-8?q?Show=20better=20error=20message=20on=20's?=
 =?UTF-8?q?=E2=88=80'?=
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see #15
---
 src/main/java/edu/kit/typicalc/model/parser/LambdaLexer.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/edu/kit/typicalc/model/parser/LambdaLexer.java b/src/main/java/edu/kit/typicalc/model/parser/LambdaLexer.java
index 04729c6..60ac369 100644
--- a/src/main/java/edu/kit/typicalc/model/parser/LambdaLexer.java
+++ b/src/main/java/edu/kit/typicalc/model/parser/LambdaLexer.java
@@ -151,7 +151,9 @@ public class LambdaLexer {
             } while (pos < term.length() && Character.isLetterOrDigit(term.charAt(pos))
                     && (int) term.charAt(pos) < 128);
             if (pos < term.length() && (int) term.charAt(pos) >= 128) {
-                return new Result<>(null, ParseError.unexpectedCharacter2(term.charAt(pos), pos, term, errorType));
+                return new Result<>(null,
+                        ParseError.unexpectedCharacter2(term.charAt(pos), pos, term, errorType)
+                                .expectedType(TokenType.VARIABLE));
             }
             String s = sb.toString();
             TokenType type;