/******************************************************************************/
%{
- open MathQL
+ let analyze x =
+ let module M = MathQL in
+ let rec join l1 l2 = match l1, l2 with
+ | [], _ -> l2
+ | _, [] -> l1
+ | s1 :: tl1, s2 :: _ when s1 < s2 -> s1 :: join tl1 l2
+ | s1 :: _, s2 :: tl2 when s2 < s1 -> s2 :: join l1 tl2
+ | s1 :: tl1, s2 :: tl2 -> s1 :: join tl1 tl2
+ in
+ let rec an_val = function
+ | M.Const _ -> []
+ | M.VVar _ -> []
+ | M.Record (rv, _) -> [rv]
+ | M.Fun (_, x) -> an_val x
+ | M.Attribute (_, _, x) -> an_val x
+ | M.RefOf x -> an_set x
+ and an_boole = function
+ | M.False -> []
+ | M.True -> []
+ | M.Ex _ _ -> []
+ | M.Not x -> an_boole x
+ | M.And (x, y) -> join (an_boole x) (an_boole y)
+ | M.Or (x, y) -> join (an_boole x) (an_boole y)
+ | M.Sub (x, y) -> join (an_val x) (an_val y)
+ | M.Meet (x, y) -> join (an_val x) (an_val y)
+ | M.Eq (x, y) -> join (an_val x) (an_val y)
+ and an_set = function
+ | M.SVar _ -> []
+ | M.RVar _ -> []
+ | M.Relation (_, _, x, _) -> an_set x
+ | M.Pattern x -> an_val x
+ | M.Ref x -> an_val x
+ | M.Union (x, y) -> join (an_set x) (an_set y)
+ | M.Intersect (x, y) -> join (an_set x) (an_set y)
+ | M.Diff (x, y) -> join (an_set x) (an_set y)
+ | M.LetSVar (_, x, y) -> join (an_set x) (an_set y)
+ | M.LetVVar (_, x, y) -> join (an_val x) (an_set y)
+ | M.Select (_, x, y) -> join (an_set x) (an_boole y)
+ in
+ an_boole x
%}
%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 SL IS LC RC CM SC LP RP AT PC DL FS DQ EOF
+ %token AND ATTR ATTRIB BE DIFF EQ EX FALSE FUN IN INTER LET MEET NOT OR
+ %token PAT REF REFOF REL SELECT SUB SUPER TRUE UNION WHERE
+ %left DIFF WHERE REFOF
%left OR UNION
%left AND INTER
- %nonassoc NOT
- %start qstr ref query
- %type <string> qstr
- %type <MathQL.mqtref> ref
- %type <MathQL.mquery> query
+ %nonassoc REL
+ %nonassoc NOT EX IN ATTR
+
+ %start qstr query result
+ %type <string> qstr
+ %type <MathQL.query> query
+ %type <MathQL.result> result
%%
- 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 }
+ | DQ { "" }
+ | 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:
- | MCONCL { MQMConclusion }
- | CONCL { MQConclusion }
- | STR { MQCons $1 }
- | rvar { MQStringRVar $1 }
- | svar { MQStringSVar $1 }
- | func rvar { MQFunc ($1, $2) }
- ;
- boole:
- | TRUE { MQTrue }
- | FALSE { MQFalse }
- | str IS str { MQIs ($1, $3) }
- | NOT boole { MQNot $2 }
- | boole AND boole { MQAnd ($1, $3) }
- | boole OR boole { MQOr ($1, $3) }
- | LPR boole RPR { $2 }
+ qstr_list:
+ | STR CM qstr_list { $1 :: $3 }
+ | STR { [$1] }
+ ;
+ vvar_list:
+ | vvar CM vvar_list { $1 :: $3 }
+ | vvar { [$1] }
+ ;
+ qstr_path:
+ | STR SL qstr_path { $1 :: $3 }
+ | STR { [$1] }
+ ;
+ ref_op:
+ | SUB { MathQL.SubOp }
+ | SUPER { MathQL.SuperOp }
+ | { MathQL.ExactOp }
+ ;
+ val_exp:
+ | STR { MathQL.Const [$1] }
+ | FUN STR val_exp { MathQL.Fun ($2, $3) }
+ | ATTRIB ref_op qstr_path val_exp { MathQL.Attribute ($2, $3, $4) }
+ | rvar FS vvar { MathQL.Record ($1, $3) }
+ | vvar { MathQL.VVar $1 }
+ | LC qstr_list RC { MathQL.Const $2 }
+ | LC RC { MathQL.Const [] }
+ | REFOF set_exp { MathQL.RefOf $2 }
+ | LP val_exp RP { $2 }
+ ;
+ boole_exp:
+ | TRUE { MathQL.True }
+ | FALSE { MathQL.False }
+ | LP boole_exp RP { $2 }
+ | NOT boole_exp { MathQL.Not $2 }
+ | EX boole_exp { MathQL.Ex (analyze $2) $2 }
+ | val_exp SUB val_exp { MathQL.Sub ($1, $3) }
+ | val_exp MEET val_exp { MathQL.Meet ($1, $3) }
+ | val_exp EQ val_exp { MathQL.Eq ($1, $3) }
+ | boole_exp AND boole_exp { MathQL.And ($1, $3) }
+ | boole_exp OR boole_exp { MathQL.Or ($1, $3) }
;
- rlist:
- | PATT REF { MQPattern $2 }
- | rlist UNION rlist { MQUnion ($1, $3) }
- | rlist INTER rlist { MQIntersect ($1, $3) }
- | USE rlist POS svar { MQUse ($2, $4) }
- | USEDBY rlist POS svar { MQUsedBy ($2, $4) }
- | SELECT rvar IN rlist WHERE boole { MQSelect ($2, $4, $6) }
- | LPR rlist RPR { $2 }
+ set_exp:
+ | REF val_exp { MathQL.Ref $2 }
+ | PAT val_exp { MathQL.Pattern $2 }
+ | LP set_exp RP { $2 }
+ | SELECT rvar IN set_exp WHERE boole_exp { MathQL.Select ($2, $4, $6) }
+ | REL ref_op qstr_path set_exp ATTR vvar_list { MathQL.Relation ($2, $3, $4, $6) }
+ | REL ref_op qstr_path set_exp { MathQL.Relation ($2, $3, $4, []) }
+ | svar { MathQL.SVar $1 }
+ | rvar { MathQL.RVar $1 }
+ | set_exp UNION set_exp { MathQL.Union ($1, $3) }
+ | set_exp INTER set_exp { MathQL.Intersect ($1, $3) }
+ | set_exp DIFF set_exp { MathQL.Diff ($1, $3) }
+ | LET svar BE set_exp IN set_exp { MathQL.LetSVar ($2, $4, $6) }
+ | LET vvar BE val_exp IN set_exp { MathQL.LetVVar ($2, $4, $6) }
;
query:
- rlist EOF { MQList $1 }
+ | set_exp EOF { $1 }
+ ;
+ attribute:
+ | STR IS qstr_list { ($1, $3) }
+ | STR { ($1, []) }
+ ;
+ attr_list:
+ | attribute SC attr_list { $1 :: $3 }
+ | attribute { [$1] }
;
+ group:
+ LC attr_list RC { $2 }
+ ;
+ group_list:
+ | group CM group_list { $1 :: $3 }
+ | group { [$1] }
+ ;
+ resource:
+ | STR ATTR group_list { ($1, $3) }
+ | STR { ($1, []) }
+ ;
+ resource_list:
+ | resource SC resource_list { $1 :: $3 }
+ | resource { [$1] }
+ | { [] }
+ ;
+ result:
+ | resource_list EOF { $1 }
projects / helm.git / blobdiff