From a6d6f26c01615bc8ad28a3f8565d1d176ec559e7 Mon Sep 17 00:00:00 2001
From: Robert Krimen <robertkrimen@gmail.com>
Date: Mon, 29 Apr 2013 09:55:20 +0200
Subject: [PATCH] Parse float literals of the kind ".01", ".0..." properly

---
 lexer.go      | 4 +---
 lexer_test.go | 8 ++++++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lexer.go b/lexer.go
index af38267..34d1399 100644
--- a/lexer.go
+++ b/lexer.go
@@ -396,10 +396,8 @@ func (self *_lexer) scanNumericLiteral() _token {
 
 	isHex, isOctal := false, false
 	{
-		self.accept(".")
-
 		acceptable := "0123456789"
-		if self.accept("0") {
+		if !self.accept(".") && self.accept("0") {
 			if self.accept("xX") {
 				acceptable = "0123456789abcdefABCDEF"
 				isHex = true
diff --git a/lexer_test.go b/lexer_test.go
index 4a1abfd..0fa9881 100644
--- a/lexer_test.go
+++ b/lexer_test.go
@@ -288,4 +288,12 @@ Second line \
 		"number 0",
 	)
 
+	test(`.01`,
+		"number .01",
+	)
+
+	test(`.01e+2`,
+		"number .01e+2",
+	)
+
 }