From 096b91e93aeb0f7057c5204da9a9ab1435f093f6 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Sun, 15 Mar 2015 21:13:26 -0300
Subject: [PATCH] cameo/lang.l: require all commands followed by file name to
 end with whitespace

This avoids embarrassment after typos like  write-gerber foo.g
---
 cameo/lang.l | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/cameo/lang.l b/cameo/lang.l
index e1155e9..dac599a 100644
--- a/cameo/lang.l
+++ b/cameo/lang.l
@@ -62,19 +62,19 @@ NUM	-?[0-9]+\.?[0-9]*
 <INITIAL>y			return TOK_Y;
 <INITIAL>z			return TOK_Z;
 
-<INITIAL>append			{ BEGIN(FILENAME);
+<INITIAL>append/[ \t\n]		{ BEGIN(FILENAME);
 				  return TOK_APPEND; }
 <INITIAL>gerber			{ file_name_follows = 1;
 				  return TOK_GERBER; }
 <INITIAL>gnuplot		{ file_name_follows = 1;
 				  return TOK_GNUPLOT; }
-<INITIAL>excellon		{ BEGIN(FILENAME);
+<INITIAL>excellon/[ \t\n]	{ BEGIN(FILENAME);
 				  return TOK_EXCELLON; }
-<INITIAL>stl			{ BEGIN(FILENAME);
+<INITIAL>stl/[ \t\n]		{ BEGIN(FILENAME);
 				  return TOK_STL; }
-<INITIAL>write			{ BEGIN(FILENAME);
+<INITIAL>write/[ \t\n]		{ BEGIN(FILENAME);
 				  return TOK_WRITE; }
-<INITIAL>write_gerber		{ BEGIN(FILENAME);
+<INITIAL>write_gerber/[ \t\n]	{ BEGIN(FILENAME);
 				  return TOK_WRITE_GERBER; }
 
 <INITIAL>dog			return TOK_DOG;