X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql%2FmQueryTParser.mly;h=313636c80d13327489bf4c8ade0da24f500496ef;hb=1c7fb836e2af4f2f3d18afd0396701f2094265ff;hp=dea5f4883ff9907b53de1866b48532859e193df6;hpb=6c04191a9045120d3cf5f6046eee627d6499e5c9;p=helm.git diff --git a/helm/ocaml/mathql/mQueryTParser.mly b/helm/ocaml/mathql/mQueryTParser.mly index dea5f4883..313636c80 100644 --- a/helm/ocaml/mathql/mQueryTParser.mly +++ b/helm/ocaml/mathql/mQueryTParser.mly @@ -23,97 +23,292 @@ * http://cs.unibo.it/helm/. */ -/******************************************************************************/ -/* */ -/* PROJECT HELM */ -/* */ -/* Ferruccio Guidi */ -/* 23/05/2002 */ -/* */ -/* */ -/******************************************************************************/ +/* AUTOR: Ferruccio Guidi + */ %{ - open MathQL + module M = MathQL + + let analyze x = + 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 iter f = function + | [] -> [] + | head :: tail -> join (f head) (iter f tail) + in + let rec an_val = function + | M.True -> [] + | M.False -> [] + | M.Const _ -> [] + | M.VVar _ -> [] + | M.Ex _ -> [] + | M.Dot rv _ -> [rv] + | M.Not x -> an_val x + | M.StatVal x -> an_val x + | M.Count x -> an_val x + | M.Align _ x -> an_val x + | M.Proj _ x -> an_set x + | M.Test _ x y -> iter an_val [x; y] + | M.Set l -> iter an_val l + and an_set = function + | M.Empty -> [] + | M.SVar _ -> [] + | M.AVar _ -> [] + | M.Subj x -> an_val x + | M.Keep _ _ x -> an_set x + | M.Log _ _ x -> an_set x + | M.StatQuery x -> an_set x + | M.Bin _ x y -> iter an_set [x; y] + | M.LetSVar _ x y -> iter an_set [x; y] + | M.For _ _ x y -> iter an_set [x; y] + | M.Add _ g x -> join (an_grp g) (an_set x) + | M.LetVVar _ x y -> join (an_val x) (an_set y) + | M.Select _ x y -> join (an_set x) (an_val y) + | M.Property _ _ _ _ c d _ _ x -> + join (an_val x) (iter an_con [c; List.concat d]) + | M.If x y z -> join (an_val x) (iter an_set [y; z]) + and fc (_, _, v) = an_val v + and an_con c = iter fc c + and fg (_, v) = an_val v + and an_grp = function + | M.Attr g -> iter (iter fg) g + | M.From _ -> [] + in + an_val x + + let f (x, y, z) = x + let s (x, y, z) = y + let t (x, y, z) = z %} %token ID STR - %token 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 - %left OR UNION - %left AND INTER - %nonassoc NOT - %start qstr ref query - %type qstr - %type ref - %type query + %token SL IS LC RC CM SC LP RP AT PC DL FS DQ EOF + %token ADD ALIGN AND AS ATTR BE BUT COUNT DIFF DISTR ELSE EMPTY EQ EX + %token FALSE FOR FROM IF IN INF INTER INV ISF IST KEEP LE LET LOG LT + %token MAIN MATCH MEET NOT OF OR PAT PROJ PROP SELECT SOURCE STAT SUB + %token SUBJ SUP SUPER THEN TRUE UNION WHERE XOR + %nonassoc IN SUP INF ELSE LOG STAT + %left DIFF + %left UNION + %left INTER + %nonassoc WHERE EX + %left XOR OR + %left AND + %nonassoc NOT + %nonassoc SUB MEET EQ LT LE + %nonassoc SUBJ OF PROJ COUNT ALIGN + + %start qstr query result + %type qstr + %type query + %type 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 - } + qstr: + | DQ { "" } + | STR qstr { $1 ^ $2 } + ; + svar: + | PC ID { $2 } + ; + avar: + | AT ID { $2 } + ; + vvar: + | DL ID { $2 } + ; + strs: + | STR CM strs { $1 :: $3 } + | STR { [$1] } + ; + subpath: + | STR SL subpath { $1 :: $3 } + | STR { [$1] } + ; + path: + | subpath { $1 } + | SL subpath { $2 } + | SL { [] } + ; + paths: + | path CM paths { $1 :: $3 } + | path { [$1] } + inv: + | INV { true } + | { false } ; ref: - | prot PROT body DQT { ($1, $3, []) } - | prot PROT body FRAG frag DQT { ($1, $3, $5) } + | SUB { M.RefineSub } + | SUPER { M.RefineSuper } + | { M.RefineExact } + ; + qualif: + | inv ref path { $1, $2, $3 } + ; + cons: + | path IN val_exp { (false, $1, $3) } + | path MATCH val_exp { (true, $1, $3) } + ; + conss: + | cons CM conss { $1 :: $3 } + | cons { [$1] } + ; + istrue: + | IST conss { $2 } + | { [] } + ; + isfalse: + | { [] } + | ISF conss isfalse { $2 :: $3 } + ; + mainc: + | MAIN path { $2 } + | { [] } + ; + exp: + | path AS path { $1, Some $3 } + | path { $1, None } + ; + exps: + | exp CM exps { $1 :: $3 } + | exp { [$1] } ; - qstr: - | STR SQT { $1 } + attrc: + | ATTR exps { $2 } + | { [] } ; - rvar: - | ID { $1 } + pattern: + | PAT { true } + | { false } ; - svar: - | DLR ID { $2 } + opt_path: + | path { Some $1 } + | { None } + ; + ass: + | val_exp AS path { ($3, $1) } + ; + asss: + | ass CM asss { $1 :: $3 } + | ass { [$1] } + ; + assg: + | asss SC assg { $1 :: $3 } + | asss { [$1] } + ; + distr: + | DISTR { true } + | { false } ; - func: - | NAME { MQName } + allbut: + | BUT { true } + | { false } + ; + bin_op: + | set_exp DIFF set_exp { M.BinFDiff, $1, $3 } + | set_exp UNION set_exp { M.BinFJoin, $1, $3 } + | set_exp INTER set_exp { M.BinFMeet, $1, $3 } + ; + gen_op: + | SUP set_exp { M.GenFJoin, $2 } + | INF set_exp { M.GenFMeet, $2 } ; - str: - | MCONCL { MQMConclusion } - | CONCL { MQConclusion } - | STR { MQCons $1 } - | rvar { MQRVar $1 } - | svar { MQSVar $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 } + test_op: + | val_exp XOR val_exp { M.Xor, $1, $3 } + | val_exp OR val_exp { M.Or, $1, $3 } + | val_exp AND val_exp { M.And, $1, $3 } + | val_exp SUB val_exp { M.Sub, $1, $3 } + | val_exp MEET val_exp { M.Meet, $1, $3 } + | val_exp EQ val_exp { M.Eq, $1, $3 } + | val_exp LE val_exp { M.Le, $1, $3 } + | val_exp LT val_exp { M.Lt, $1, $3 } + ; + source: + | SOURCE { true } + | { false } + ; + xml: + | { false} + ; + grp_exp: + | assg { M.Attr $1 } + | avar { M.From $1 } + ; + val_exp: + | TRUE { M.True } + | FALSE { M.False } + | STR { M.Const $1 } + | avar FS path { M.Dot $1 $3 } + | vvar { M.VVar $1 } + | LC vals RC { M.Set $2 } + | LC RC { M.Set [] } + | LP val_exp RP { $2 } + | STAT val_exp { M.StatVal $2 } + | EX val_exp { M.Ex (analyze $2) $2 } + | NOT val_exp { M.Not $2 } + | test_op { M.Test (f $1) (s $1) (t $1) } + | PROJ opt_path set_exp { M.Proj $2 $3 } + | COUNT val_exp { M.Count $2 } + | ALIGN STR IN val_exp { M.Align $2 $4 } ; - 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 } + vals: + | val_exp CM vals { $1 :: $3 } + | val_exp { [$1] } + ; + set_exp: + | EMPTY { M.Empty } + | LP set_exp RP { $2 } + | svar { M.SVar $1 } + | avar { M.AVar $1 } + | LET svar BE set_exp IN set_exp { M.LetSVar $2 $4 $6 } + | LET vvar BE val_exp IN set_exp { M.LetVVar $2 $4 $6 } + | FOR avar IN set_exp gen_op + { M.For (fst $5) $2 $4 (snd $5) } + | ADD distr grp_exp IN set_exp { M.Add $2 $3 $5 } + | IF val_exp THEN set_exp ELSE set_exp { M.If $2 $4 $6 } + | PROP qualif mainc istrue isfalse attrc OF pattern val_exp + { M.Property (f $2) (s $2) (t $2) $3 $4 $5 $6 $8 $9 } + | LOG xml source set_exp { M.Log $2 $3 $4 } + | STAT set_exp { M.StatQuery $2 } + | KEEP allbut paths IN set_exp { M.Keep $2 $3 $5 } + | KEEP allbut IN set_exp { M.Keep $2 [] $4 } + | bin_op + { M.Bin (f $1) (s $1) (t $1) } + | SELECT avar FROM set_exp WHERE val_exp { M.Select $2 $4 $6 } + | SUBJ val_exp { M.Subj $2 } ; query: - rlist EOF { MQList $1 } + | set_exp { $1 } + | set_exp error { $1 } + | EOF { raise End_of_file } + ; + attr: + | path IS strs { $1, $3 } + | path { $1, [] } + ; + attrs: + | attr SC attrs { $1 :: $3 } + | attr { [$1] } ; + group: + LC attrs RC { $2 } + ; + groups: + | group CM groups { $1 :: $3 } + | group { [$1] } + ; + resource: + | STR ATTR groups { ($1, $3) } + | STR { ($1, []) } + ; + resources: + | resource SC resources { $1 :: $3 } + | resource { [$1] } + | { [] } + ; + result: + | resources { $1 } + | EOF { raise End_of_file }