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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);
%%
/*
* User-subroutines section.
*
* Have to put all this stuff here so that the include file
* from YACC output can be included, since LEX doesn't allow
* an include file before the code it generates for the above
* rules.
*
* Copyright 1987 by MIT Student Information Processing Board.
*
* For copyright info, see mit-sipb-copyright.h.
*/
#include <string.h>
#include "ct.tab.h"
#include "mit-sipb-copyright.h"
#ifndef HAS_STRDUP
extern char *strdup();
#endif
extern char *last_token;
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 = strdup(yytext+1);
if (p=strrchr(yylval.dynstr, '"'))
*p='\0';
last_token = strdup(yylval.dynstr);
return STRING;
}
static l_string()
{
yylval.dynstr = strdup(yytext);
last_token = strdup(yylval.dynstr);
return STRING;
}
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