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|
(* Copyright (c) 2008-2009, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
(* Grammar for Ur/Web programs *)
open Source
val s = ErrorMsg.spanOf
val dummy = ErrorMsg.dummySpan
fun capitalize "" = ""
| capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
fun entable t =
case #1 t of
TRecord c => c
| _ => t
datatype select_item =
Field of con * con
| Exp of con * exp
| Fields of con * con
datatype select =
Star
| Items of select_item list
datatype group_item =
GField of con * con
fun eqTnames ((c1, _), (c2, _)) =
case (c1, c2) of
(CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
| (CName x1, CName x2) => x1 = x2
| _ => false
fun amend_select loc (si, (tabs, exps)) =
case si of
Field (tx, fx) =>
let
val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
if eqTnames (tx, tx') then
((tx', (CConcat (c, c'), loc)), true)
else
((tx', c'), found))
false tabs
in
if found then
()
else
ErrorMsg.errorAt loc "Select of field from unbound table";
(tabs, exps)
end
| Fields (tx, fs) =>
let
val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
if eqTnames (tx, tx') then
((tx', (CConcat (fs, c'), loc)), true)
else
((tx', c'), found))
false tabs
in
if found then
()
else
ErrorMsg.errorAt loc "Select of field from unbound table";
(tabs, exps)
end
| Exp (c, e) => (tabs, (c, e) :: exps)
fun amend_group loc (gi, tabs) =
let
val (tx, c) = case gi of
GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
if eqTnames (tx, tx') then
((tx', (CConcat (c, c'), loc)), true)
else
((tx', c'), found))
false tabs
in
if found then
()
else
ErrorMsg.errorAt loc "Select of field from unbound table";
tabs
end
fun sql_inject (v, loc) =
(EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
let
val e = (EVar (["Basis"], "sql_binary", Infer), loc)
val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
val e = (EApp (e, sqlexp1), loc)
in
(EApp (e, sqlexp2), loc)
end
fun sql_unary (oper, sqlexp, loc) =
let
val e = (EVar (["Basis"], "sql_unary", Infer), loc)
val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
in
(EApp (e, sqlexp), loc)
end
fun sql_relop (oper, sqlexp1, sqlexp2, loc) =
let
val e = (EVar (["Basis"], "sql_relop", Infer), loc)
val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
val e = (EApp (e, sqlexp1), loc)
in
(EApp (e, sqlexp2), loc)
end
fun sql_nfunc (oper, loc) =
let
val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
in
(EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
end
fun native_unop (oper, e1, loc) =
let
val e = (EVar (["Basis"], oper, Infer), loc)
in
(EApp (e, e1), loc)
end
fun native_op (oper, e1, e2, loc) =
let
val e = (EVar (["Basis"], oper, Infer), loc)
val e = (EApp (e, e1), loc)
in
(EApp (e, e2), loc)
end
val inDml = ref false
fun tagIn bt =
case bt of
"table" => "tabl"
| _ => bt
datatype prop_kind = Delete | Update
datatype attr = Class of exp | Normal of con * exp
fun patType loc (p : pat) =
case #1 p of
PAnnot (_, t) => t
| _ => (CWild (KType, loc), loc)
%%
%header (functor UrwebLrValsFn(structure Token : TOKEN))
%term
EOF
| STRING of string | INT of Int64.int | FLOAT of Real64.real | CHAR of char
| SYMBOL of string | CSYMBOL of string
| LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
| EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
| PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
| CON | LTYPE | VAL | REC | AND | FUN | MAP | UNIT | KUNIT | CLASS
| DATATYPE | OF
| TYPE | NAME
| ARROW | LARROW | DARROW | STAR | SEMI | KARROW | DKARROW | BANG
| FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE | CARET
| LET | IN
| STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL
| INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE | VIEW
| COOKIE | STYLE
| CASE | IF | THEN | ELSE
| XML_BEGIN of string | XML_END | XML_BEGIN_END of string
| NOTAGS of string
| BEGIN_TAG of string | END_TAG of string
| SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
| UNION | INTERSECT | EXCEPT
| LIMIT | OFFSET | ALL
| TRUE | FALSE | CAND | OR | NOT
| COUNT | AVG | SUM | MIN | MAX
| ASC | DESC
| INSERT | INTO | VALUES | UPDATE | SET | DELETE | NULL | IS
| CURRENT_TIMESTAMP
| NE | LT | LE | GT | GE
| CCONSTRAINT | UNIQUE | CHECK | PRIMARY | FOREIGN | KEY | ON | NO | ACTION | RESTRICT | CASCADE | REFERENCES
| JOIN | INNER | CROSS | OUTER | LEFT | RIGHT | FULL
%nonterm
file of decl list
| decls of decl list
| decl of decl list
| vali of string * con option * exp
| valis of (string * con option * exp) list
| copt of con option
| dargs of string list
| barOpt of unit
| dcons of (string * con option) list
| dtype of string * string list * (string * con option) list
| dtypes of (string * string list * (string * con option) list) list
| dcon of string * con option
| pkopt of exp
| commaOpt of unit
| cst of exp
| csts of exp
| cstopt of exp
| pmode of prop_kind * exp
| pkind of prop_kind
| prule of exp
| pmodes of (prop_kind * exp) list
| sgn of sgn
| sgntm of sgn
| sgi of sgn_item
| sgis of sgn_item list
| str of str
| kind of kind
| ktuple of kind list
| kcolon of explicitness
| kopt of kind option
| path of string list * string
| cpath of string list * string
| spath of str
| mpath of string list
| cexp of con
| capps of con
| cterm of con
| ctuple of con list
| ctuplev of con list
| ident of con
| idents of con list
| rcon of (con * con) list
| rconn of (con * con) list
| rcone of (con * con) list
| cargs of con * kind -> con * kind
| cargl of con * kind -> con * kind
| cargl2 of con * kind -> con * kind
| carg of con * kind -> con * kind
| cargp of con * kind -> con * kind
| eexp of exp
| eapps of exp
| eterm of exp
| etuple of exp list
| rexp of (con * exp) list
| xml of exp
| xmlOne of exp
| tag of (string * exp) * exp
| tagHead of string * exp
| bind of string * con option * exp
| edecl of edecl
| edecls of edecl list
| earg of exp * con -> exp * con
| eargp of exp * con -> exp * con
| earga of exp * con -> exp * con
| eargs of exp * con -> exp * con
| eargl of exp * con -> exp * con
| eargl2 of exp * con -> exp * con
| branch of pat * exp
| branchs of (pat * exp) list
| pat of pat
| patS of pat
| pterm of pat
| rpat of (string * pat) list * bool
| ptuple of pat list
| attrs of exp option * (con * exp) list
| attr of attr
| attrv of exp
| query of exp
| query1 of exp
| tables of con list * exp
| fitem of con list * exp
| tname of con
| tnameW of con * con
| tnames of (con * con) * (con * con) list
| tnames' of (con * con) * (con * con) list
| table of con * exp
| table' of con * exp
| tident of con
| fident of con
| seli of select_item
| selis of select_item list
| select of select
| sqlexp of exp
| wopt of exp
| groupi of group_item
| groupis of group_item list
| gopt of group_item list option
| hopt of exp
| obopt of exp
| obitem of exp * exp
| obexps of exp
| diropt of exp
| lopt of exp
| ofopt of exp
| sqlint of exp
| sqlagg of string
| fname of exp
| texp of exp
| fields of con list
| sqlexps of exp list
| fsets of (con * exp) list
| enterDml of unit
| leaveDml of unit
%verbose (* print summary of errors *)
%pos int (* positions *)
%start file
%pure
%eop EOF
%noshift EOF
%name Urweb
%right KARROW
%nonassoc DKARROW
%right SEMI
%nonassoc LARROW
%nonassoc IF THEN ELSE
%nonassoc DARROW
%nonassoc COLON
%nonassoc DCOLON TCOLON
%left UNION INTERSECT EXCEPT
%right COMMA
%right JOIN INNER CROSS OUTER LEFT RIGHT FULL
%right OR
%right CAND
%nonassoc EQ NE LT LE GT GE IS
%right ARROW
%right CARET PLUSPLUS
%left MINUSMINUS MINUSMINUSMINUS
%left PLUS MINUS
%left STAR DIVIDE MOD
%left NOT
%nonassoc TWIDDLE
%nonassoc DOLLAR
%left DOT
%nonassoc LBRACE RBRACE
%%
file : decls (decls)
| SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
s (SIGleft, sgisright))])
decls : ([])
| decl decls (decl @ decls)
decl : CON SYMBOL cargl2 kopt EQ cexp (let
val loc = s (CONleft, cexpright)
val k = Option.getOpt (kopt, (KWild, loc))
val (c, k) = cargl2 (cexp, k)
in
[(DCon (SYMBOL, SOME k, c), loc)]
end)
| LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
s (LTYPEleft, cexpright))])
| DATATYPE dtypes ([(DDatatype dtypes, s (DATATYPEleft, dtypesright))])
| DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
(case dargs of
[] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
| _ => raise Fail "Arguments specified for imported datatype")
| VAL vali ([(DVal vali, s (VALleft, valiright))])
| VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
| FUN valis ([(DValRec valis, s (FUNleft, valisright))])
| SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
| STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
| STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
([(DStr (CSYMBOL1, NONE,
(StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
s (FUNCTORleft, strright))])
| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
([(DStr (CSYMBOL1, NONE,
(StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
s (FUNCTORleft, strright))])
| EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
| OPEN mpath (case mpath of
[] => raise Fail "Impossible mpath parse [1]"
| m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
| OPEN mpath LPAREN str RPAREN (let
val loc = s (OPENleft, RPARENright)
val m = case mpath of
[] => raise Fail "Impossible mpath parse [4]"
| m :: ms =>
foldl (fn (m, str) => (StrProj (str, m), loc))
(StrVar m, loc) ms
in
[(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
(DOpen ("anon", []), loc)]
end)
| OPEN CONSTRAINTS mpath (case mpath of
[] => raise Fail "Impossible mpath parse [3]"
| m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
| CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
| EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
| TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
s (TABLEleft, cstoptright))])
| SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
| VIEW SYMBOL EQ query ([(DView (SYMBOL, query),
s (VIEWleft, queryright))])
| VIEW SYMBOL EQ LBRACE eexp RBRACE ([(DView (SYMBOL, eexp),
s (VIEWleft, RBRACEright))])
| CLASS SYMBOL EQ cexp (let
val loc = s (CLASSleft, cexpright)
in
[(DClass (SYMBOL, (KWild, loc), cexp), loc)]
end)
| CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
| CLASS SYMBOL SYMBOL EQ cexp (let
val loc = s (CLASSleft, cexpright)
val k = (KWild, loc)
val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
in
[(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
end)
| CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
val loc = s (CLASSleft, cexpright)
val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
in
[(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
end)
| COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
| STYLE SYMBOL ([(DStyle SYMBOL, s (STYLEleft, SYMBOLright))])
dtype : SYMBOL dargs EQ barOpt dcons (SYMBOL, dargs, dcons)
dtypes : dtype ([dtype])
| dtype AND dtypes (dtype :: dtypes)
kopt : (NONE)
| DCOLON kind (SOME kind)
dargs : ([])
| SYMBOL dargs (SYMBOL :: dargs)
barOpt : ()
| BAR ()
dcons : dcon ([dcon])
| dcon BAR dcons (dcon :: dcons)
dcon : CSYMBOL (CSYMBOL, NONE)
| CSYMBOL OF cexp (CSYMBOL, SOME cexp)
vali : SYMBOL eargl2 copt EQ eexp (let
val loc = s (SYMBOLleft, eexpright)
val t = Option.getOpt (copt, (CWild (KType, loc), loc))
val (e, t) = eargl2 (eexp, t)
in
(SYMBOL, SOME t, e)
end)
copt : (NONE)
| COLON cexp (SOME cexp)
cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
| csts (csts)
csts : CCONSTRAINT tname cst (let
val loc = s (CCONSTRAINTleft, cstright)
val e = (EVar (["Basis"], "one_constraint", Infer), loc)
val e = (ECApp (e, tname), loc)
in
(EApp (e, cst), loc)
end)
| csts COMMA csts (let
val loc = s (csts1left, csts2right)
val e = (EVar (["Basis"], "join_constraints", Infer), loc)
val e = (EApp (e, csts1), loc)
in
(EApp (e, csts2), loc)
end)
| LBRACE LBRACE eexp RBRACE RBRACE (eexp)
cst : UNIQUE tnames (let
val loc = s (UNIQUEleft, tnamesright)
val e = (EVar (["Basis"], "unique", Infer), loc)
val e = (ECApp (e, #1 (#1 tnames)), loc)
val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
val e = (EDisjointApp e, loc)
in
(EDisjointApp e, loc)
end)
| CHECK sqlexp (let
val loc = s (CHECKleft, sqlexpright)
in
(EApp ((EVar (["Basis"], "check", Infer), loc),
sqlexp), loc)
end)
| FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
(let
val loc = s (FOREIGNleft, pmodesright)
val mat = ListPair.foldrEq
(fn ((nm1, _), (nm2, _), mat) =>
let
val e = (EVar (["Basis"], "mat_cons", Infer), loc)
val e = (ECApp (e, nm1), loc)
val e = (ECApp (e, nm2), loc)
val e = (EDisjointApp e, loc)
val e = (EDisjointApp e, loc)
val e = (EApp (e, (EWild, loc)), loc)
in
(EApp (e, mat), loc)
end)
(EVar (["Basis"], "mat_nil", Infer), loc)
(#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
fun findMode mode =
let
fun findMode' pmodes =
case pmodes of
[] => (EVar (["Basis"], "no_action", Infer), loc)
| (mode', rule) :: pmodes' =>
if mode' = mode then
(if List.exists (fn (mode', _) => mode' = mode)
pmodes' then
ErrorMsg.errorAt loc "Duplicate propagation rule"
else
();
rule)
else
findMode' pmodes'
in
findMode' pmodes
end
val e = (EVar (["Basis"], "foreign_key", Infer), loc)
val e = (EApp (e, mat), loc)
val e = (EApp (e, texp), loc)
in
(EApp (e, (ERecord [((CName "OnDelete", loc),
findMode Delete),
((CName "OnUpdate", loc),
findMode Update)], loc)), loc)
end)
| LBRACE eexp RBRACE (eexp)
tnameW : tname (let
val loc = s (tnameleft, tnameright)
in
(tname, (CWild (KType, loc), loc))
end)
tnames : tnameW (tnameW, [])
| LPAREN tnames' RPAREN (tnames')
tnames': tnameW (tnameW, [])
| tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
pmode : ON pkind prule (pkind, prule)
pkind : DELETE (Delete)
| UPDATE (Update)
prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
| RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
| CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
| SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
pmodes : ([])
| pmode pmodes (pmode :: pmodes)
commaOpt: ()
| COMMA ()
pkopt : (EVar (["Basis"], "no_primary_key", Infer), ErrorMsg.dummySpan)
| PRIMARY KEY tnames (let
val loc = s (PRIMARYleft, tnamesright)
val e = (EVar (["Basis"], "primary_key", Infer), loc)
val e = (ECApp (e, #1 (#1 tnames)), loc)
val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
val e = (EDisjointApp e, loc)
val e = (EDisjointApp e, loc)
val witness = map (fn (c, _) =>
(c, (EWild, loc)))
(#1 tnames :: #2 tnames)
val witness = (ERecord witness, loc)
in
(EApp (e, witness), loc)
end)
valis : vali ([vali])
| vali AND valis (vali :: valis)
sgn : sgntm (sgntm)
| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
(SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
| mpath (case mpath of
[] => raise Fail "Impossible mpath parse [2]"
| [x] => SgnVar x
| m :: ms => SgnProj (m,
List.take (ms, length ms - 1),
List.nth (ms, length ms - 1)),
s (mpathleft, mpathright))
| sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
| sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
| LPAREN sgn RPAREN (sgn)
sgi : CON SYMBOL DCOLON kind ((SgiConAbs (SYMBOL, kind), s (CONleft, kindright)))
| LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
s (LTYPEleft, SYMBOLright)))
| CON SYMBOL EQ cexp ((SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)))
| CON SYMBOL DCOLON kind EQ cexp ((SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)))
| LTYPE SYMBOL EQ cexp ((SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
s (LTYPEleft, cexpright)))
| DATATYPE dtypes ((SgiDatatype dtypes, s (DATATYPEleft, dtypesright)))
| DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
(case dargs of
[] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
| _ => raise Fail "Arguments specified for imported datatype")
| VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
| STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
| SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
((SgiStr (CSYMBOL1,
(SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
s (FUNCTORleft, sgn2right)))
| INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
| CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
| TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
val loc = s (TABLEleft, ctermright)
in
(SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
end)
| SEQUENCE SYMBOL (let
val loc = s (SEQUENCEleft, SYMBOLright)
val t = (CVar (["Basis"], "sql_sequence"), loc)
in
(SgiVal (SYMBOL, t), loc)
end)
| VIEW SYMBOL COLON cexp (let
val loc = s (VIEWleft, cexpright)
val t = (CVar (["Basis"], "sql_view"), loc)
val t = (CApp (t, cexp), loc)
in
(SgiVal (SYMBOL, t), loc)
end)
| CLASS SYMBOL (let
val loc = s (CLASSleft, SYMBOLright)
val k = (KArrow ((KType, loc), (KType, loc)), loc)
in
(SgiClassAbs (SYMBOL, k), loc)
end)
| CLASS SYMBOL DCOLON kind (let
val loc = s (CLASSleft, kindright)
in
(SgiClassAbs (SYMBOL, kind), loc)
end)
| CLASS SYMBOL EQ cexp (let
val loc = s (CLASSleft, cexpright)
in
(SgiClass (SYMBOL, (KWild, loc), cexp), loc)
end)
| CLASS SYMBOL DCOLON kind EQ cexp (let
val loc = s (CLASSleft, cexpright)
in
(SgiClass (SYMBOL, kind, cexp), loc)
end)
| CLASS SYMBOL SYMBOL EQ cexp (let
val loc = s (CLASSleft, cexpright)
val k = (KWild, loc)
val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
in
(SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
end)
| CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
val loc = s (CLASSleft, cexpright)
val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
in
(SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
end)
| COOKIE SYMBOL COLON cexp (let
val loc = s (COOKIEleft, cexpright)
val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
entable cexp), loc)
in
(SgiVal (SYMBOL, t), loc)
end)
| STYLE SYMBOL (let
val loc = s (STYLEleft, SYMBOLright)
val t = (CVar (["Basis"], "css_class"), loc)
in
(SgiVal (SYMBOL, t), loc)
end)
sgis : ([])
| sgi sgis (sgi :: sgis)
str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
| spath (spath)
| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
(StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
(StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
| spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
| spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
kind : TYPE (KType, s (TYPEleft, TYPEright))
| NAME (KName, s (NAMEleft, NAMEright))
| LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
| kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
| LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
| KUNIT (KUnit, s (KUNITleft, KUNITright))
| UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
| LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
| CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
| CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
ktuple : kind STAR kind ([kind1, kind2])
| kind STAR ktuple (kind :: ktuple)
capps : cterm (cterm)
| capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
cexp : capps (capps)
| cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
| SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
| CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
| cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
| FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
| LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
| CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
| LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
| UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
| ctuple (let
val loc = s (ctupleleft, ctupleright)
in
(TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
((CName (Int.toString (i + 1)), loc),
c)) ctuple),
loc), loc)
end)
kcolon : DCOLON (Explicit)
| TCOLON (Implicit)
cargs : carg (carg)
| cargl (cargl)
cargl : cargp cargp (cargp1 o cargp2)
| cargp cargl (cargp o cargl)
cargl2 : (fn x => x)
| cargp cargl2 (cargp o cargl2)
carg : SYMBOL DCOLON kind (fn (c, k) =>
let
val loc = s (SYMBOLleft, kindright)
in
((CAbs (SYMBOL, SOME kind, c), loc),
(KArrow (kind, k), loc))
end)
| UNDER DCOLON kind (fn (c, k) =>
let
val loc = s (UNDERleft, kindright)
in
((CAbs ("_", SOME kind, c), loc),
(KArrow (kind, k), loc))
end)
| cargp (cargp)
cargp : SYMBOL (fn (c, k) =>
let
val loc = s (SYMBOLleft, SYMBOLright)
in
((CAbs (SYMBOL, NONE, c), loc),
(KArrow ((KWild, loc), k), loc))
end)
| UNDER (fn (c, k) =>
let
val loc = s (UNDERleft, UNDERright)
in
((CAbs ("_", NONE, c), loc),
(KArrow ((KWild, loc), k), loc))
end)
| LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
let
val loc = s (LPARENleft, RPARENright)
in
((CAbs (SYMBOL, SOME kind, c), loc),
(KArrow (kind, k), loc))
end)
path : SYMBOL ([], SYMBOL)
| CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
cpath : CSYMBOL ([], CSYMBOL)
| CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
mpath : CSYMBOL ([CSYMBOL])
| CSYMBOL DOT mpath (CSYMBOL :: mpath)
cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
| LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
| LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
| LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
s (LBRACEleft, RBRACEright))
| DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
| HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
| HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
| path (CVar path, s (pathleft, pathright))
| path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
s (pathleft, INTright))
| UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
| MAP (CMap, s (MAPleft, MAPright))
| UNIT (CUnit, s (UNITleft, UNITright))
| LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
ctuplev: cexp COMMA cexp ([cexp1, cexp2])
| cexp COMMA ctuplev (cexp :: ctuplev)
ctuple : capps STAR capps ([capps1, capps2])
| capps STAR ctuple (capps :: ctuple)
rcon : ([])
| ident EQ cexp ([(ident, cexp)])
| ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
| ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
rcone : ([])
| ident COLON cexp ([(ident, cexp)])
| ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
| INT (CName (Int64.toString INT), s (INTleft, INTright))
| SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
eapps : eterm (eterm)
| eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
| eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
| eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
eexp : eapps (eapps)
| FN eargs DARROW eexp (let
val loc = s (FNleft, eexpright)
in
#1 (eargs (eexp, (CWild (KType, loc), loc)))
end)
| CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
| eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
| eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
| eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
| CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
| IF eexp THEN eexp ELSE eexp (let
val loc = s (IFleft, eexp3right)
in
(ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
end)
| bind SEMI eexp (let
val loc = s (bindleft, eexpright)
val (v, to, e1) = bind
val e = (EVar (["Basis"], "bind", Infer), loc)
val e = (EApp (e, e1), loc)
in
(EApp (e, (EAbs (v, to, eexp), loc)), loc)
end)
| eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
| MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
| eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
| eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
| eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
| eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
| eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
| eapps DCOLON eexp (let
val loc = s (eappsleft, eexpright)
in
(EApp ((EVar (["Basis"], "Cons", Infer), loc),
(ERecord [((CName "1", loc),
eapps),
((CName "2", loc),
eexp)], loc)), loc)
end)
bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
| UNIT LARROW eapps (let
val loc = s (UNITleft, eappsright)
in
("_", SOME (TRecord (CRecord [], loc), loc), eapps)
end)
| eapps (let
val loc = s (eappsleft, eappsright)
in
("_", SOME (TRecord (CRecord [], loc), loc), eapps)
end)
eargs : earg (earg)
| eargl (eargl)
eargl : eargp eargp (eargp1 o eargp2)
| eargp eargl (eargp o eargl)
eargl2 : (fn x => x)
| eargp eargl2 (eargp o eargl2)
earg : patS (fn (e, t) =>
let
val loc = s (patSleft, patSright)
val pt = patType loc patS
val e' = case #1 patS of
PVar x => (EAbs (x, NONE, e), loc)
| PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
| _ => (EAbs ("$x", SOME pt,
(ECase ((EVar ([], "$x", DontInfer),
loc),
[(patS, e)]), loc)), loc)
in
(e', (TFun (pt, t), loc))
end)
| earga (earga)
eargp : pterm (fn (e, t) =>
let
val loc = s (ptermleft, ptermright)
val pt = patType loc pterm
val e' = case #1 pterm of
PVar x => (EAbs (x, NONE, e), loc)
| PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
| _ => (EAbs ("$x", SOME pt,
(ECase ((EVar ([], "$x", DontInfer),
loc),
[(pterm, e)]), loc)), loc)
in
(e', (TFun (pt, t), loc))
end)
| earga (earga)
earga : LBRACK SYMBOL RBRACK (fn (e, t) =>
let
val loc = s (LBRACKleft, RBRACKright)
val kind = (KWild, loc)
in
((ECAbs (Implicit, SYMBOL, kind, e), loc),
(TCFun (Implicit, SYMBOL, kind, t), loc))
end)
| LBRACK SYMBOL kcolon kind RBRACK(fn (e, t) =>
let
val loc = s (LBRACKleft, RBRACKright)
in
((ECAbs (kcolon, SYMBOL, kind, e), loc),
(TCFun (kcolon, SYMBOL, kind, t), loc))
end)
| LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
let
val loc = s (LBRACKleft, RBRACKright)
in
((EDisjoint (cexp1, cexp2, e), loc),
(TDisjoint (cexp1, cexp2, t), loc))
end)
| LBRACK CSYMBOL RBRACK (fn (e, t) =>
let
val loc = s (CSYMBOLleft, CSYMBOLright)
in
((EKAbs (CSYMBOL, e), loc),
(TKFun (CSYMBOL, t), loc))
end)
eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
| LPAREN etuple RPAREN (let
val loc = s (LPARENleft, RPARENright)
in
(ERecord (ListUtil.mapi (fn (i, e) =>
((CName (Int.toString (i + 1)), loc),
e)) etuple), loc)
end)
| path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
| cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
| AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
| AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
| AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
| AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
| LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
| UNIT (ERecord [], s (UNITleft, UNITright))
| INT (EPrim (Prim.Int INT), s (INTleft, INTright))
| FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
| STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
| CHAR (EPrim (Prim.Char CHAR), s (CHARleft, CHARright))
| path DOT idents (let
val loc = s (pathleft, identsright)
in
foldl (fn (ident, e) =>
(EField (e, ident), loc))
(EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
end)
| AT path DOT idents (let
val loc = s (ATleft, identsright)
in
foldl (fn (ident, e) =>
(EField (e, ident), loc))
(EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
end)
| AT AT path DOT idents (let
val loc = s (AT1left, identsright)
in
foldl (fn (ident, e) =>
(EField (e, ident), loc))
(EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
end)
| XML_BEGIN xml XML_END (let
val loc = s (XML_BEGINleft, XML_ENDright)
in
if XML_BEGIN = "xml" then
()
else
ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
xml
end)
| XML_BEGIN XML_END (let
val loc = s (XML_BEGINleft, XML_ENDright)
in
if XML_BEGIN = "xml" then
()
else
ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
(EApp ((EVar (["Basis"], "cdata", Infer), loc),
(EPrim (Prim.String ""), loc)),
loc)
end)
| XML_BEGIN_END (let
val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
in
if XML_BEGIN_END = "xml" then
()
else
ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
(EApp ((EVar (["Basis"], "cdata", Infer), loc),
(EPrim (Prim.String ""), loc)),
loc)
end)
| LPAREN query RPAREN (query)
| LPAREN CWHERE sqlexp RPAREN (sqlexp)
| LPAREN SQL sqlexp RPAREN (sqlexp)
| LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
(let
val loc = s (LPAREN1left, RPAREN3right)
val e = (EVar (["Basis"], "insert", Infer), loc)
val e = (EApp (e, texp), loc)
in
if length fields <> length sqlexps then
ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
else
();
(EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
end)
| LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
(let
val loc = s (LPARENleft, RPARENright)
val e = (EVar (["Basis"], "update", Infer), loc)
val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
val e = (EDisjointApp e, loc)
val e = (EApp (e, (ERecord fsets, loc)), loc)
val e = (EApp (e, texp), loc)
in
(EApp (e, sqlexp), loc)
end)
| LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
(let
val loc = s (LPARENleft, RPARENright)
val e = (EVar (["Basis"], "delete", Infer), loc)
val e = (EApp (e, texp), loc)
in
(EApp (e, sqlexp), loc)
end)
| UNDER (EWild, s (UNDERleft, UNDERright))
| LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
| LBRACK RBRACK (EVar (["Basis"], "Nil", Infer), s (LBRACKleft, RBRACKright))
edecls : ([])
| edecl edecls (edecl :: edecls)
edecl : VAL pat EQ eexp ((EDVal (pat, eexp), s (VALleft, eexpright)))
| VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
| FUN valis ((EDValRec valis, s (FUNleft, valisright)))
enterDml : (inDml := true)
leaveDml : (inDml := false)
texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
| LBRACE LBRACE eexp RBRACE RBRACE (eexp)
fields : fident ([fident])
| fident COMMA fields (fident :: fields)
sqlexps: sqlexp ([sqlexp])
| sqlexp COMMA sqlexps (sqlexp :: sqlexps)
fsets : fident EQ sqlexp ([(fident, sqlexp)])
| fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
idents : ident ([ident])
| ident DOT idents (ident :: idents)
etuple : eexp COMMA eexp ([eexp1, eexp2])
| eexp COMMA etuple (eexp :: etuple)
branch : pat DARROW eexp (pat, eexp)
branchs: ([])
| BAR branch branchs (branch :: branchs)
patS : pterm (pterm)
| pterm DCOLON patS (let
val loc = s (ptermleft, patSright)
in
(PCon (["Basis"], "Cons", SOME (PRecord ([("1", pterm),
("2", patS)], false), loc)),
loc)
end)
| patS COLON cexp (PAnnot (patS, cexp), s (patSleft, cexpright))
pat : patS (patS)
| cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
| cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
| UNDER (PWild, s (UNDERleft, UNDERright))
| INT (PPrim (Prim.Int INT), s (INTleft, INTright))
| STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
| CHAR (PPrim (Prim.Char CHAR), s (CHARleft, CHARright))
| LPAREN pat RPAREN (pat)
| LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
| UNIT (PRecord ([], false), s (UNITleft, UNITright))
| LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
| LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
false),
s (LPARENleft, RPARENright))
| LBRACK RBRACK (PCon (["Basis"], "Nil", NONE), s (LBRACKleft, RBRACKright))
rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
| INT EQ pat ([(Int64.toString INT, pat)], false)
| DOTDOTDOT ([], true)
| CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
| INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
ptuple : pat COMMA pat ([pat1, pat2])
| pat COMMA ptuple (pat :: ptuple)
rexp : ([])
| ident EQ eexp ([(ident, eexp)])
| ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
xml : xmlOne xml (let
val pos = s (xmlOneleft, xmlright)
in
(EApp ((EApp (
(EVar (["Basis"], "join", Infer), pos),
xmlOne), pos),
xml), pos)
end)
| xmlOne (xmlOne)
xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
(EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
s (NOTAGSleft, NOTAGSright))
| tag DIVIDE GT (let
val pos = s (tagleft, GTright)
val cdata =
if #1 (#1 tag) = "submit" orelse #1 (#1 tag) = "dyn" then
let
val e = (EVar (["Basis"], "cdata", DontInfer), pos)
val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
in
(ECApp (e, (CRecord [], pos)), pos)
end
else
(EVar (["Basis"], "cdata", Infer), pos)
val cdata = (EApp (cdata,
(EPrim (Prim.String ""), pos)),
pos)
in
(EApp (#2 tag, cdata), pos)
end)
| tag GT xml END_TAG (let
val pos = s (tagleft, GTright)
val et = tagIn END_TAG
in
if #1 (#1 tag) = et then
if et = "form" then
(EApp ((EVar (["Basis"], "form", Infer), pos),
xml), pos)
else if et = "subform" then
(EApp ((EDisjointApp (#2 (#1 tag)), pos),
xml), pos)
else if et = "subforms" then
(EApp ((EDisjointApp (#2 (#1 tag)), pos),
xml), pos)
else if et = "entry" then
(EApp ((EVar (["Basis"], "entry", Infer), pos),
xml), pos)
else
(EApp (#2 tag, xml), pos)
else
(if ErrorMsg.anyErrors () then
()
else
ErrorMsg.errorAt pos "Begin and end tags don't match.";
(EWild, pos))
end)
| LBRACE eexp RBRACE (eexp)
| LBRACE LBRACK eexp RBRACK RBRACE (let
val loc = s (LBRACEleft, RBRACEright)
val e = (EVar (["Top"], "txt", Infer), loc)
in
(EApp (e, eexp), loc)
end)
tag : tagHead attrs (let
val pos = s (tagHeadleft, attrsright)
val e = (EVar (["Basis"], "tag", Infer), pos)
val eo = case #1 attrs of
NONE => (EVar (["Basis"], "None", Infer), pos)
| SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
e), pos)
val e = (EApp (e, eo), pos)
val e = (EApp (e, (ERecord (#2 attrs), pos)), pos)
val e = (EApp (e, (EApp (#2 tagHead,
(ERecord [], pos)), pos)), pos)
in
(tagHead, e)
end)
tagHead: BEGIN_TAG (let
val bt = tagIn BEGIN_TAG
val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
in
(bt,
(EVar (["Basis"], bt, Infer), pos))
end)
| tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
attrs : (NONE, [])
| attr attrs (let
val loc = s (attrleft, attrsright)
in
case attr of
Class e =>
(case #1 attrs of
NONE => ()
| SOME _ => ErrorMsg.errorAt loc "Multiple classes specified for tag";
(SOME e, #2 attrs))
| Normal xe =>
(#1 attrs, xe :: #2 attrs)
end)
attr : SYMBOL EQ attrv (if SYMBOL = "class" then
Class attrv
else
let
val sym =
case SYMBOL of
"type" => "Typ"
| x => capitalize x
in
Normal ((CName sym, s (SYMBOLleft, SYMBOLright)),
if (sym = "Href" orelse sym = "Src")
andalso (case #1 attrv of
EPrim _ => true
| _ => false) then
let
val loc = s (attrvleft, attrvright)
in
(EApp ((EVar (["Basis"], "bless", Infer), loc),
attrv), loc)
end
else
attrv)
end)
attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
| FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
| STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
| LBRACE eexp RBRACE (eexp)
query : query1 obopt lopt ofopt (let
val loc = s (query1left, query1right)
val re = (ERecord [((CName "Rows", loc),
query1),
((CName "OrderBy", loc),
obopt),
((CName "Limit", loc),
lopt),
((CName "Offset", loc),
ofopt)], loc)
in
(EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
end)
query1 : SELECT select FROM tables wopt gopt hopt
(let
val loc = s (SELECTleft, tablesright)
val (sel, exps) =
case select of
Star => (map (fn nm =>
(nm, (CTuple [(CWild (KRecord (KType, loc), loc),
loc),
(CRecord [], loc)],
loc))) (#1 tables),
[])
| Items sis =>
let
val tabs = map (fn nm => (nm, (CRecord [], loc))) (#1 tables)
val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
in
(map (fn (nm, c) => (nm,
(CTuple [c,
(CWild (KRecord (KType, loc), loc),
loc)], loc))) tabs,
exps)
end
val sel = (CRecord sel, loc)
val grp = case gopt of
NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
Infer), loc),
(CWild (KRecord (KRecord (KType, loc), loc),
loc), loc)), loc)
| SOME gis =>
let
val tabs = map (fn nm =>
(nm, (CRecord [], loc))) (#1 tables)
val tabs = foldl (amend_group loc) tabs gis
val tabs = map (fn (nm, c) =>
(nm,
(CTuple [c,
(CWild (KRecord (KType, loc),
loc),
loc)], loc))) tabs
in
(ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
(CRecord tabs, loc)), loc)
end
val e = (EVar (["Basis"], "sql_query1", Infer), loc)
val re = (ERecord [((CName "From", loc),
#2 tables),
((CName "Where", loc),
wopt),
((CName "GroupBy", loc),
grp),
((CName "Having", loc),
hopt),
((CName "SelectFields", loc),
(ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
sel), loc)),
((CName "SelectExps", loc),
(ERecord exps, loc))], loc)
val e = (EApp (e, re), loc)
in
e
end)
| query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
| query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
| query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
tables : fitem (fitem)
| fitem COMMA tables (let
val loc = s (fitemleft, tablesright)
val e = (EVar (["Basis"], "sql_from_comma", Infer), loc)
val e = (EApp (e, #2 fitem), loc)
in
(#1 fitem @ #1 tables,
(EApp (e, #2 tables), loc))
end)
fitem : table' ([#1 table'], #2 table')
| fitem JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem INNER JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem CROSS JOIN fitem (let
val loc = s (fitem1left, fitem2right)
val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
val tru = sql_inject (EVar (["Basis"], "True", Infer), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, tru), loc))
end)
| fitem LEFT JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem LEFT OUTER JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem RIGHT JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem RIGHT OUTER JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem FULL JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
| fitem FULL OUTER JOIN fitem ON sqlexp (let
val loc = s (fitem1left, sqlexpright)
val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
val e = (EApp (e, #2 fitem1), loc)
val e = (EApp (e, #2 fitem2), loc)
in
(#1 fitem1 @ #1 fitem2,
(EApp (e, sqlexp), loc))
end)
tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
| LBRACE cexp RBRACE (cexp)
table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
(EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
| SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
| LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
table' : table (let
val loc = s (tableleft, tableright)
val e = (EVar (["Basis"], "sql_from_table", Infer), loc)
val e = (ECApp (e, #1 table), loc)
in
(#1 table, (EApp (e, #2 table), loc))
end)
tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
| CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
| LBRACE LBRACE cexp RBRACE RBRACE (cexp)
fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
| LBRACE cexp RBRACE (cexp)
seli : tident DOT fident (Field (tident, fident))
| sqlexp AS fident (Exp (fident, sqlexp))
| tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
selis : seli ([seli])
| seli COMMA selis (seli :: selis)
select : STAR (Star)
| selis (Items selis)
sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
s (TRUEleft, TRUEright)))
| FALSE (sql_inject (EVar (["Basis"], "False", Infer),
s (FALSEleft, FALSEright)))
| INT (sql_inject (EPrim (Prim.Int INT),
s (INTleft, INTright)))
| FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
s (FLOATleft, FLOATright)))
| STRING (sql_inject (EPrim (Prim.String STRING),
s (STRINGleft, STRINGright)))
| CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
| tident DOT fident (let
val loc = s (tidentleft, fidentright)
val e = (EVar (["Basis"], "sql_field", Infer), loc)
val e = (ECApp (e, tident), loc)
in
(ECApp (e, fident), loc)
end)
| CSYMBOL (let
val loc = s (CSYMBOLleft, CSYMBOLright)
in
if !inDml then
let
val e = (EVar (["Basis"], "sql_field", Infer), loc)
val e = (ECApp (e, (CName "T", loc)), loc)
in
(ECApp (e, (CName CSYMBOL, loc)), loc)
end
else
let
val e = (EVar (["Basis"], "sql_exp", Infer), loc)
in
(ECApp (e, (CName CSYMBOL, loc)), loc)
end
end)
| LBRACE eexp RBRACE (eexp)
| sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
| NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
| MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
| sqlexp IS NULL (let
val loc = s (sqlexpleft, NULLright)
in
(EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
sqlexp), loc)
end)
| LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
s (LBRACEleft, RBRACEright)))
| LPAREN sqlexp RPAREN (sqlexp)
| NULL (sql_inject ((EVar (["Basis"], "None", Infer),
s (NULLleft, NULLright))))
| COUNT LPAREN STAR RPAREN (let
val loc = s (COUNTleft, RPARENright)
in
(EVar (["Basis"], "sql_count", Infer), loc)
end)
| sqlagg LPAREN sqlexp RPAREN (let
val loc = s (sqlaggleft, RPARENright)
val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
e), loc)
in
(EApp (e, sqlexp), loc)
end)
| fname LPAREN sqlexp RPAREN (let
val loc = s (fnameleft, RPARENright)
val e = (EVar (["Basis"], "sql_ufunc", Infer), loc)
val e = (EApp (e, fname), loc)
in
(EApp (e, sqlexp), loc)
end)
fname : SYMBOL (EVar (["Basis"], "sql_" ^ SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
| LBRACE eexp RBRACE (eexp)
wopt : (sql_inject (EVar (["Basis"], "True", Infer),
dummy))
| CWHERE sqlexp (sqlexp)
groupi : tident DOT fident (GField (tident, fident))
groupis: groupi ([groupi])
| groupi COMMA groupis (groupi :: groupis)
gopt : (NONE)
| GROUP BY groupis (SOME groupis)
hopt : (sql_inject (EVar (["Basis"], "True", Infer),
dummy))
| HAVING sqlexp (sqlexp)
obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
(CWild (KRecord (KType, dummy), dummy), dummy)),
dummy)
| ORDER BY obexps (obexps)
obitem : sqlexp diropt (sqlexp, diropt)
obexps : obitem (let
val loc = s (obitemleft, obitemright)
val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
(CWild (KRecord (KType, loc), loc), loc)),
loc)
val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
#1 obitem), loc)
val e = (EApp (e, #2 obitem), loc)
in
(EApp (e, e'), loc)
end)
| obitem COMMA obexps (let
val loc = s (obitemleft, obexpsright)
val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
#1 obitem), loc)
val e = (EApp (e, #2 obitem), loc)
in
(EApp (e, obexps), loc)
end)
diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
| ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
| DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
| LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
| LIMIT sqlint (let
val loc = s (LIMITleft, sqlintright)
in
(EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
end)
ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
| OFFSET sqlint (let
val loc = s (OFFSETleft, sqlintright)
in
(EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
end)
sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
| LBRACE eexp RBRACE (eexp)
sqlagg : AVG ("avg")
| SUM ("sum")
| MIN ("min")
| MAX ("max")
|