1 files changed, 89 insertions, 0 deletions
diff --git a/src/args-flex.l b/src/args-flex.l
new file mode 100644
index 0000000..e00b619
--- /dev/null
+++ b/src/args-flex.l
@@ -0,0 +1,89 @@
+/*
+  Copyright (C) 2008, 2009 Jiri Olsa <olsajiri@gmail.com>
+
+  This file is part of the latrace.
+
+  The latrace is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  The latrace is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with the latrace (file COPYING).  If not, see 
+  <http://www.gnu.org/licenses/>.
+*/
+
+
+%{
+
+#include <string.h>
+
+#include "config.h"
+#include "args-bison.h"
+
+struct lt_args_include* lt_args_buf_get(void);
+
+%}
+
+alphnum		[-0-9a-zA-Z_]
+name		({alphnum})+
+filename	([-0-9a-zA-Z\./_])+
+
+%x comment include
+%%
+
+"/*"			BEGIN(comment);
+<comment>[^*\n]*	/* eat anything that's not a '*' */
+<comment>"*"+[^*/\n]*	/* eat up '*'s not followed by '/'s */
+<comment>\n		{ lt_args_buf_get()->lineno++; }
+<comment>"*"+"/"	BEGIN(INITIAL);
+
+"#include"		{ BEGIN(include); return INCLUDE; }
+<include>{filename}	{ yylval.s = strdup(yytext); return FILENAME; } 
+<include>"\""		{ return '"'; }
+<include>\n		{ BEGIN(INITIAL); }
+<include>.		{ ; }
+
+"extern"		{ ; }
+"const"			{ ; }
+<<EOF>>			{ return END; }
+"struct"		{ return STRUCT; }
+"enum"			{ return ENUM; }
+"typedef"		{ return TYPEDEF; }
+{name}			{ yylval.s = strdup(yytext); return NAME; }   
+"\*"+			{ return POINTER; }
+")"			{ return ')'; }
+"("			{ return '('; }
+"}"			{ return '}'; }
+"{"			{ return '{'; }
+";"			{ return ';'; }
+","			{ return ','; }
+"="			{ return '='; }
+\			{ ; }
+\n			{ lt_args_buf_get()->lineno++; }
+.			{ ; }
+
+%%
+
+#ifndef yywrap
+int yywrap()
+{
+	return 1; 
+	/* XXX not to get the compiler 'not used' warning */
+	yyunput(0, NULL); 
+	input();
+}
+#endif
+
+void yyerror(const char *m)
+{
+	printf("latrace config file [%s] line %d: %s\n", 
+		lt_args_buf_get()->file, 
+		lt_args_buf_get()->lineno, 
+		m); 
+}