From 9386b764978eb0be91e7a4a95340e2c1e9560405 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Mon, 1 Feb 2016 19:17:05 -0300
Subject: -Propertly detect mantissa floats in variantparser, fixes #3257

---
 core/variant_parser.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/variant_parser.cpp b/core/variant_parser.cpp
index b95e52f7b5..a3775156ac 100644
--- a/core/variant_parser.cpp
+++ b/core/variant_parser.cpp
@@ -338,6 +338,8 @@ Error VariantParser::get_token(Stream *p_stream, Token& r_token, int &line, Stri
 									exp_beg=true;
 
 								} else if ((c=='-' || c=='+') && !exp_sign && !exp_beg) {
+									if (c=='-')
+										is_float=true;
 									exp_sign=true;
 
 								} else {
@@ -358,6 +360,7 @@ Error VariantParser::get_token(Stream *p_stream, Token& r_token, int &line, Stri
 
 
 					r_token.type=TK_NUMBER;
+
 					if (is_float)
 						r_token.value=num.to_double();
 					else
-- 
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