Closed #70

sys27 · Apr 29, 2014 · f2f84fc · f2f84fc
1 parent 2ab7218
commit f2f84fc
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/xFunc.Maths/Lexer.cs b/xFunc.Maths/Lexer.cs
@@ -119,8 +119,7 @@ public IEnumerable<IToken> Tokenize(string function)
                     {
                         var lastToken = tokens.LastOrDefault();
                         if (lastToken == null || (lastToken as VariableToken) == null)
-                            // todo: ???
-                            throw new LexerException();
+                            throw new LexerException(string.Format(Resource.NotSupportedSymbol, letter));
 
                         tokens.Add(new OperationToken(Operations.Increment));
                         i += 2;
@@ -151,8 +150,7 @@ public IEnumerable<IToken> Tokenize(string function)
                     {
                         var lastToken = tokens.LastOrDefault();
                         if (lastToken == null || (lastToken as VariableToken) == null)
-                            // todo: ???
-                            throw new LexerException();
+                            throw new LexerException(string.Format(Resource.NotSupportedSymbol, letter));
 
                         tokens.Add(new OperationToken(Operations.Decrement));
                         i += 2;