freebsd-dev/usr.bin/mk_cmds/cmd_tbl.l
1995-01-19 22:27:58 +00:00

80 lines
1.1 KiB
Plaintext

%{
/*
* Copyright 1987, 1988 by MIT Student Information Processing Board.
*
* For copyright info, see copyright.h.
*/
#include <string.h>
#include "y.tab.h"
#include "copyright.h"
extern char *last_token, *ds();
static l_command_table()
{
last_token = "command_table";
return COMMAND_TABLE;
}
static l_request()
{
last_token = "request";
return REQUEST;
}
static l_unimplemented()
{
last_token = "unimplemented";
return UNIMPLEMENTED;
}
static l_end()
{
last_token = "end";
return END;
}
static l_quoted_string()
{
register char *p;
yylval.dynstr = ds(yytext+1);
if (p=rindex(yylval.dynstr, '"'))
*p='\0';
last_token = ds(yylval.dynstr);
return STRING;
}
static l_string()
{
yylval.dynstr = ds(yytext);
last_token = ds(yylval.dynstr);
return STRING;
}
%}
N [0-9]
PC [^\"]
AN [A-Z_a-z0-9]
%%
command_table return l_command_table();
request return l_request();
unimplemented return l_unimplemented();
end return l_end();
[\t\n ] ;
\"{PC}*\" return l_quoted_string();
{AN}* return l_string();
#.*\n ;
. return (*yytext);
%%