From 8586c9dd0343adf94889cef468470101913caeaf Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Tue, 17 Jan 2012 11:17:48 +1000
Subject: Slightly better error message for invalid error message.  Needs more
 work.

---
 LuaSL/src/LuaSL_LSL_tree.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'LuaSL')

diff --git a/LuaSL/src/LuaSL_LSL_tree.c b/LuaSL/src/LuaSL_LSL_tree.c
index fb35490..6a0988c 100644
--- a/LuaSL/src/LuaSL_LSL_tree.c
+++ b/LuaSL/src/LuaSL_LSL_tree.c
@@ -276,7 +276,16 @@ LSL_Leaf *addOperation(LSL_Leaf *left, LSL_Leaf *lval, LSL_Leaf *right)
 	    }
 	}
 	if (OT_invalid == lval->basicType)
-	    fprintf(stderr, "Invalid operation [%s] type at line %d column %d\n", lval->token->token, lval->line, lval->column);
+	{
+	    if ((left) && (right))
+		fprintf(stderr, "Invalid operation [%s %s %s] type at line %d column %d\n", left->token->token, lval->token->token, right->token->token, lval->line, lval->column);
+	    else if (left)
+		fprintf(stderr, "Invalid operation [%s %s] type at line %d column %d\n", left->token->token, lval->token->token, lval->line, lval->column);
+	    else if (left)
+		fprintf(stderr, "Invalid operation [%s %s] type at line %d column %d\n", lval->token->token, right->token->token, lval->line, lval->column);
+	    else
+		fprintf(stderr, "Invalid operation [%s] type at line %d column %d\n", lval->token->token, lval->line, lval->column);
+	}
     }
 
     return lval;
-- 
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