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