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|
%{
/*
* Copyright 1987, 1988 by MIT Student Information Processing Board
*
* For copyright info, see copyright.h.
*/
#include <stdio.h>
#include "copyright.h"
char *str_concat3(), *ds(), *generate_rqte(), *quote();
long flag_value();
char *last_token = (char *)NULL;
FILE *output_file;
long gensym_n = 0;
%}
%union {
char *dynstr;
long flags;
}
%token COMMAND_TABLE REQUEST UNKNOWN UNIMPLEMENTED END
%token <dynstr> STRING
%token <dynstr> FLAGNAME
%type <dynstr> namelist header request_list
%type <dynstr> request_entry
%type <flags> flag_list options
%left OPTIONS
%{
#include "ss.h"
%}
%start command_table
%%
command_table : header request_list END ';'
{ write_ct($1, $2); }
;
header : COMMAND_TABLE STRING ';'
{ $$ = $2; }
;
request_list : request_list request_entry
{ $$ = str_concat3($1, $2, ""); }
|
{ $$ = ""; }
;
request_entry : REQUEST STRING ',' STRING ',' namelist ',' options ';'
{ $$ = generate_rqte($2, quote($4), $6, $8); }
| REQUEST STRING ',' STRING ',' namelist ';'
{ $$ = generate_rqte($2, quote($4), $6, 0); }
| UNKNOWN namelist ';'
{ $$ = generate_rqte("ss_unknown_request",
(char *)NULL, $2, 0); }
| UNIMPLEMENTED STRING ',' STRING ',' namelist ';'
{ $$ = generate_rqte("ss_unimplemented", quote($4), $6, 3); }
;
options : '(' flag_list ')'
{ $$ = $2; }
| '(' ')'
{ $$ = 0; }
;
flag_list : flag_list ',' STRING
{ $$ = $1 | flag_val($3); }
| STRING
{ $$ = flag_val($1); }
;
namelist: STRING
{ $$ = quote(ds($1)); }
| namelist ',' STRING
{ $$ = str_concat3($1, quote($3), ",\n "); }
;
%%
|
