lib: Change some includes

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/lib/command_lex.l b/lib/command_lex.l
new file mode 100644
index 0000000000..45f8f8e636
--- /dev/null
+++ b/lib/command_lex.l
@@ -0,0 +1,40 @@
+%{
+#include "command_parse.h"
+
+extern void set_buffer_string(const char *);
+%}
+
+WORD            [a-z][-_a-z0-9]+
+IPV4            A\.B\.C\.D
+IPV4_PREFIX     A\.B\.C\.D\/M
+IPV6            X:X::X:X
+IPV6_PREFIX     X:X::X:X\/M
+VARIABLE        [A-Z][A-Z_]+
+NUMBER          [0-9]{1,20}
+RANGE           \({NUMBER}\-{NUMBER}\)
+
+/* yytext shall be a pointer */
+%pointer
+%option noyywrap
+%option nounput
+%option noinput
+%option outfile="command_lex.c"
+
+%%
+[ /t]           /* ignore whitespace */;
+{WORD}          {yylval.string = strdup(yytext); return WORD;}
+{IPV4}          {yylval.string = strdup(yytext); return IPV4;}
+{IPV4_PREFIX}   {yylval.string = strdup(yytext); return IPV4_PREFIX;}
+{IPV6}          {yylval.string = strdup(yytext); return IPV6;}
+{IPV6_PREFIX}   {yylval.string = strdup(yytext); return IPV6_PREFIX;}
+{VARIABLE}      {yylval.string = strdup(yytext); return VARIABLE;}
+{NUMBER}        {yylval.integer = atoi(yytext); return NUMBER;}
+{RANGE}         {yylval.string = strdup(yytext); return RANGE;}
+.               {return yytext[0];}
+%%
+
+void
+set_buffer_string(const char *string)
+{
+  yy_scan_string(string);
+}