/******************************************************************************/
%{
- open MathQL
%}
%token <string> ID STR
- %token <MathQL.mqtref> REF
- %token LPR RPR DLR SQT DQT EOF PROT SLASH FRAG QUEST STAR SSTAR
- %token NAME
- %token MCONCL CONCL
- %token TRUE FALSE AND OR NOT IS
- %token SELECT IN WHERE USE POS USEDBY PATT UNION INTER
+ %token LC RC CM SC LP RP AT PC DL FS DQ EOF
+ %token AND ATTR ATTRIB DIFF EQ FALSE FUN IN INTER NOT OR PAT REF REFOF
+ %token REL SELECT SUB SUPER TRUE UNION WHERE
+ %left DIFF
%left OR UNION
%left AND INTER
%nonassoc NOT
%start qstr ref query
- %type <string> qstr
- %type <MathQL.mqtref> ref
- %type <MathQL.mquery> query
+ %type <string> qstr
+ %type <MathQL.resource_set> query
%%
- prot:
- | STR { Some $1 }
- | STAR { None }
- ;
- body:
- | { [] }
- | SLASH body { MQBD :: $2 }
- | QUEST body { MQBQ :: $2 }
- | SSTAR body { MQBSS :: $2 }
- | STAR body { MQBS :: $2 }
- | STR body { MQBC $1 :: $2 }
- frag:
- | { [] }
- | SLASH SSTAR frag { MQFSS :: $3 }
- | SLASH STAR frag { MQFS :: $3 }
- | SLASH STR frag { try let i = int_of_string $2 in
- if i < 1 then raise Parsing.Parse_error;
- MQFC i :: $3
- with e -> raise Parsing.Parse_error
- }
- ;
- ref:
- | prot PROT body DQT { ($1, $3, []) }
- | prot PROT body FRAG frag DQT { ($1, $3, $5) }
- ;
qstr:
- | STR SQT { $1 }
+ | QT { "" }
+ | STR qstr { $1 @ $2 }
+ ;
+ svar:
+ | PC ID { $2 }
;
rvar:
- | ID { $1 }
+ | AT ID { $2 }
;
- svar:
- | DLR ID { $2 }
+ vvar:
+ | DL ID { $2 }
;
- func:
- | NAME { MQName }
- ;
- str:
+ val:
| MCONCL { MQMConclusion }
| CONCL { MQConclusion }
| STR { MQCons $1 }