From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sat, 9 Mar 2019 19:17:09 +0000 (+0000)
Subject: libpakfire: parser: Variables must begin with a letter and may have digits and unders... 
X-Git-Tag: 0.9.28~1285^2~1097
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=47d439d9775356adc45db6b095a103210d4dc680;p=pakfire.git

libpakfire: parser: Variables must begin with a letter and may have digits and underscores

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/parser/scanner.l b/src/libpakfire/parser/scanner.l
index 367cff01e..cc29076ae 100644
--- a/src/libpakfire/parser/scanner.l
+++ b/src/libpakfire/parser/scanner.l
@@ -28,16 +28,20 @@ int num_lines;
 #include "grammar.h"
 %}
 
+digit		[0-9]
+letter		[A-Za-z]
+underscore	_
+variable	{letter}({digit}|{letter}|{underscore})+
 whitespace	([ \t])+
 
 %%
 
 #.*$		{ /* ignore comments */ }
-whitespace	{ return WHITESPACE; }
+{whitespace}	{ return WHITESPACE; }
 \t			{ return TAB; }
 \n			{ num_lines++; return NEWLINE; }
 
-[A-Za-z]	{ return VARIABLE; }
+{variable}	{ return VARIABLE; }
 [A-Za-z0-9]	{ return VALUE; }
 
 "="			{ return ASSIGN; }