adamc@1: (* Copyright (c) 2008, Adam Chlipala adamc@1: * All rights reserved. adamc@1: * adamc@1: * Redistribution and use in source and binary forms, with or without adamc@1: * modification, are permitted provided that the following conditions are met: adamc@1: * adamc@1: * - Redistributions of source code must retain the above copyright notice, adamc@1: * this list of conditions and the following disclaimer. adamc@1: * - Redistributions in binary form must reproduce the above copyright notice, adamc@1: * this list of conditions and the following disclaimer in the documentation adamc@1: * and/or other materials provided with the distribution. adamc@1: * - The names of contributors may not be used to endorse or promote products adamc@1: * derived from this software without specific prior written permission. adamc@1: * adamc@1: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" adamc@1: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE adamc@1: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE adamc@1: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE adamc@1: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR adamc@1: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF adamc@1: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS adamc@1: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN adamc@1: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) adamc@1: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE adamc@1: * POSSIBILITY OF SUCH DAMAGE. adamc@1: *) adamc@1: adamc@1: (* Grammar for Laconic/Web programs *) adamc@1: adamc@4: open Source adamc@1: adamc@1: val s = ErrorMsg.spanOf adamc@1: adamc@204: fun capitalize "" = "" adamc@204: | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE) adamc@104: adamc@203: fun entable t = adamc@203: case #1 t of adamc@203: TRecord c => c adamc@203: | _ => t adamc@203: adamc@207: datatype select_item = adamc@207: Field of con * con adamc@207: adamc@207: datatype select = adamc@207: Star adamc@207: | Items of select_item list adamc@207: adamc@207: fun eqTnames ((c1, _), (c2, _)) = adamc@207: case (c1, c2) of adamc@207: (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2 adamc@207: | (CName x1, CName x2) => x1 = x2 adamc@207: | _ => false adamc@207: adamc@207: fun amend_select loc (si, tabs) = adamc@207: let adamc@207: val (tx, c) = case si of adamc@207: Field (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)) adamc@207: adamc@207: val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) => adamc@207: if eqTnames (tx, tx') then adamc@207: ((tx', (CConcat (c, c'), loc)), true) adamc@207: else adamc@207: ((tx', c'), found)) adamc@207: false tabs adamc@207: in adamc@207: if found then adamc@207: () adamc@207: else adamc@207: ErrorMsg.errorAt loc "Select of field from unbound table"; adamc@207: adamc@207: tabs adamc@207: end adamc@207: adamc@209: fun sql_inject (v, t, loc) = adamc@209: let adamc@209: val e = (EApp ((EVar (["Basis"], "sql_inject"), loc), (v, loc)), loc) adamc@209: in adamc@209: (EApp (e, (t, loc)), loc) adamc@209: end adamc@209: adamc@1: %% adamc@1: %header (functor LacwebLrValsFn(structure Token : TOKEN)) adamc@1: adamc@1: %term adamc@1: EOF adamc@14: | STRING of string | INT of Int64.int | FLOAT of Real64.real adamc@1: | SYMBOL of string | CSYMBOL of string adamc@1: | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE adamc@156: | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR adamc@174: | DIVIDE | GT | DOTDOTDOT adamc@123: | CON | LTYPE | VAL | REC | AND | FOLD | UNIT | KUNIT adamc@156: | DATATYPE | OF adamc@7: | TYPE | NAME adamc@195: | ARROW | LARROW | DARROW | STAR adamc@149: | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE adamc@88: | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN adamc@203: | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE adamc@190: | CASE | IF | THEN | ELSE adamc@1: adamc@91: | XML_BEGIN of string | XML_END adamc@91: | NOTAGS of string adamc@91: | BEGIN_TAG of string | END_TAG of string adamc@91: adamc@209: | SELECT | FROM | AS | CWHERE adamc@209: | TRUE | FALSE adamc@204: adamc@30: %nonterm adamc@1: file of decl list adamc@1: | decls of decl list adamc@1: | decl of decl adamc@123: | vali of string * con option * exp adamc@123: | valis of (string * con option * exp) list adamc@1: adamc@191: | dargs of string list adamc@156: | barOpt of unit adamc@156: | dcons of (string * con option) list adamc@156: | dcon of string * con option adamc@156: adamc@30: | sgn of sgn adamc@42: | sgntm of sgn adamc@30: | sgi of sgn_item adamc@30: | sgis of sgn_item list adamc@30: adamc@30: | str of str adamc@30: adamc@1: | kind of kind adamc@207: | ktuple of kind list adamc@1: | kcolon of explicitness adamc@1: adamc@34: | path of string list * string adamc@156: | cpath of string list * string adamc@34: | spath of str adamc@59: | mpath of string list adamc@34: adamc@1: | cexp of con adamc@1: | capps of con adamc@1: | cterm of con adamc@195: | ctuple of con list adamc@207: | ctuplev of con list adamc@1: | ident of con adamc@200: | idents of con list adamc@1: | rcon of (con * con) list adamc@83: | rconn of (con * con) list adamc@1: | rcone of (con * con) list adamc@1: adamc@8: | eexp of exp adamc@8: | eapps of exp adamc@8: | eterm of exp adamc@195: | etuple of exp list adamc@12: | rexp of (con * exp) list adamc@91: | xml of exp adamc@91: | xmlOne of exp adamc@141: | tag of string * exp adamc@141: | tagHead of string * exp adamc@8: adamc@170: | branch of pat * exp adamc@170: | branchs of (pat * exp) list adamc@170: | pat of pat adamc@170: | pterm of pat adamc@174: | rpat of (string * pat) list * bool adamc@195: | ptuple of pat list adamc@170: adamc@104: | attrs of (con * exp) list adamc@104: | attr of con * exp adamc@104: | attrv of exp adamc@104: adamc@204: | query of exp adamc@204: | tables of (con * exp) list adamc@204: | tname of con adamc@204: | table of con * exp adamc@207: | tident of con adamc@207: | fident of con adamc@207: | seli of select_item adamc@207: | selis of select_item list adamc@207: | select of select adamc@209: | sqlexp of exp adamc@209: | wopt of exp adamc@207: adamc@204: adamc@1: %verbose (* print summary of errors *) adamc@1: %pos int (* positions *) adamc@1: %start file adamc@1: %pure adamc@1: %eop EOF adamc@1: %noshift EOF adamc@1: adamc@1: %name Lacweb adamc@1: adamc@195: %nonassoc IF THEN ELSE adamc@1: %nonassoc DARROW adamc@1: %nonassoc COLON adamc@6: %nonassoc DCOLON TCOLON adamc@1: %right COMMA adamc@1: %right ARROW LARROW adamc@149: %right PLUSPLUS MINUSMINUS adamc@195: %right STAR adamc@84: %nonassoc TWIDDLE adamc@1: %nonassoc DOLLAR adamc@1: %left DOT adamc@1: adamc@1: %% adamc@1: adamc@1: file : decls (decls) adamc@54: | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))), adamc@54: s (SIGleft, sgisright))]) adamc@1: adamc@1: decls : ([]) adamc@1: | decl decls (decl :: decls) adamc@1: adamc@1: decl : CON SYMBOL EQ cexp (DCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)) adamc@1: | CON SYMBOL DCOLON kind EQ cexp (DCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)) adamc@7: | LTYPE SYMBOL EQ cexp (DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp), adamc@7: s (LTYPEleft, cexpright)) adamc@191: | DATATYPE SYMBOL dargs EQ barOpt dcons(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright)) adamc@191: | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path adamc@191: (case dargs of adamc@191: [] => (DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright)) adamc@191: | _ => raise Fail "Arguments specified for imported datatype") adamc@123: | VAL vali (DVal vali, s (VALleft, valiright)) adamc@123: | VAL REC valis (DValRec valis, s (VALleft, valisright)) adamc@1: adamc@30: | SIGNATURE CSYMBOL EQ sgn (DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)) adamc@30: | STRUCTURE CSYMBOL EQ str (DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright)) adamc@30: | STRUCTURE CSYMBOL COLON sgn EQ str (DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright)) adamc@42: | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str adamc@42: (DStr (CSYMBOL1, NONE, adamc@42: (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))), adamc@42: s (FUNCTORleft, strright)) adamc@42: | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str adamc@42: (DStr (CSYMBOL1, NONE, adamc@42: (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))), adamc@42: s (FUNCTORleft, strright)) adamc@48: | EXTERN STRUCTURE CSYMBOL COLON sgn (DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright)) adamc@61: | OPEN mpath (case mpath of adamc@61: [] => raise Fail "Impossible mpath parse [1]" adamc@61: | m :: ms => (DOpen (m, ms), s (OPENleft, mpathright))) adamc@88: | OPEN CONSTRAINTS mpath (case mpath of adamc@88: [] => raise Fail "Impossible mpath parse [3]" adamc@88: | m :: ms => (DOpenConstraints (m, ms), s (OPENleft, mpathright))) adamc@88: | CONSTRAINT cterm TWIDDLE cterm (DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)) adamc@109: | EXPORT spath (DExport spath, s (EXPORTleft, spathright)) adamc@203: | TABLE SYMBOL COLON cexp (DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright)) adamc@30: adamc@191: dargs : ([]) adamc@191: | SYMBOL dargs (SYMBOL :: dargs) adamc@191: adamc@156: barOpt : () adamc@156: | BAR () adamc@156: adamc@156: dcons : dcon ([dcon]) adamc@156: | dcon BAR dcons (dcon :: dcons) adamc@156: adamc@156: dcon : CSYMBOL (CSYMBOL, NONE) adamc@156: | CSYMBOL OF cexp (CSYMBOL, SOME cexp) adamc@156: adamc@123: vali : SYMBOL EQ eexp (SYMBOL, NONE, eexp) adamc@123: | SYMBOL COLON cexp EQ eexp (SYMBOL, SOME cexp, eexp) adamc@123: adamc@123: valis : vali ([vali]) adamc@123: | vali AND valis (vali :: valis) adamc@123: adamc@42: sgn : sgntm (sgntm) adamc@40: | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn adamc@40: (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right)) adamc@30: adamc@42: sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright)) adamc@59: | mpath (case mpath of adamc@61: [] => raise Fail "Impossible mpath parse [2]" adamc@59: | [x] => SgnVar x adamc@59: | m :: ms => SgnProj (m, adamc@59: List.take (ms, length ms - 1), adamc@59: List.nth (ms, length ms - 1)), adamc@59: s (mpathleft, mpathright)) adamc@42: | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright)) adamc@42: | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright)) adamc@42: | LPAREN sgn RPAREN (sgn) adamc@42: adamc@30: sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright)) adamc@30: | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))), adamc@30: s (LTYPEleft, SYMBOLright)) adamc@30: | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)) adamc@30: | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)) adamc@30: | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp), adamc@30: s (LTYPEleft, cexpright)) adamc@191: | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright)) adamc@191: | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path adamc@191: (case dargs of adamc@191: [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright)) adamc@191: | _ => raise Fail "Arguments specified for imported datatype") adamc@30: | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright)) adamc@30: adamc@30: | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)) adamc@59: | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)) adamc@42: | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn adamc@42: (SgiStr (CSYMBOL1, adamc@42: (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))), adamc@42: s (FUNCTORleft, sgn2right)) adamc@58: | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright)) adamc@88: | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)) adamc@203: | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright)) adamc@30: adamc@30: sgis : ([]) adamc@30: | sgi sgis (sgi :: sgis) adamc@30: adamc@30: str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright)) adamc@34: | spath (spath) adamc@40: | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str adamc@40: (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright)) adamc@40: | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str adamc@40: (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright)) adamc@44: | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright)) adamc@34: adamc@34: spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) adamc@34: | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright)) adamc@30: adamc@1: kind : TYPE (KType, s (TYPEleft, TYPEright)) adamc@1: | NAME (KName, s (NAMEleft, NAMEright)) adamc@1: | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright)) adamc@1: | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right)) adamc@1: | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright)) adamc@82: | KUNIT (KUnit, s (KUNITleft, KUNITright)) adamc@18: | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright)) adamc@207: | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright)) adamc@207: adamc@207: ktuple : kind STAR kind ([kind1, kind2]) adamc@207: | kind STAR ktuple (kind :: ktuple) adamc@1: adamc@1: capps : cterm (cterm) adamc@1: | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright)) adamc@1: adamc@1: cexp : capps (capps) adamc@1: | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right)) adamc@15: | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright)) adamc@1: adamc@1: | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right)) adamc@1: adamc@67: | FN SYMBOL DARROW cexp (CAbs (SYMBOL, NONE, cexp), s (FNleft, cexpright)) adamc@67: | FN SYMBOL DCOLON kind DARROW cexp (CAbs (SYMBOL, SOME kind, cexp), s (FNleft, cexpright)) adamc@84: | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright)) adamc@85: | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright)) adamc@1: adamc@8: | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright)) adamc@6: adamc@18: | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright)) adamc@195: | ctuple (let adamc@195: val loc = s (ctupleleft, ctupleright) adamc@195: in adamc@195: (TRecord (CRecord (ListUtil.mapi (fn (i, c) => adamc@195: ((CName (Int.toString (i + 1)), loc), adamc@195: c)) ctuple), adamc@195: loc), loc) adamc@195: end) adamc@18: adamc@1: kcolon : DCOLON (Explicit) adamc@1: | TCOLON (Implicit) adamc@1: adamc@34: path : SYMBOL ([], SYMBOL) adamc@34: | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end) adamc@34: adamc@156: cpath : CSYMBOL ([], CSYMBOL) adamc@156: | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end) adamc@156: adamc@59: mpath : CSYMBOL ([CSYMBOL]) adamc@59: | CSYMBOL DOT mpath (CSYMBOL :: mpath) adamc@59: adamc@1: cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright)) adamc@1: | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright)) adamc@83: | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright)) adamc@1: | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)), adamc@1: s (LBRACEleft, RBRACEright)) adamc@1: | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright)) adamc@1: | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright)) adamc@195: | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright)) adamc@1: adamc@34: | path (CVar path, s (pathleft, pathright)) adamc@207: | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT), adamc@207: s (pathleft, INTright)) adamc@18: | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright)) adamc@67: | FOLD (CFold, s (FOLDleft, FOLDright)) adamc@82: | UNIT (CUnit, s (UNITleft, UNITright)) adamc@207: | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright)) adamc@207: adamc@207: ctuplev: cexp COMMA cexp ([cexp1, cexp2]) adamc@207: | cexp COMMA ctuplev (cexp :: ctuplev) adamc@1: adamc@196: ctuple : capps STAR capps ([capps1, capps2]) adamc@196: | capps STAR ctuple (capps :: ctuple) adamc@195: adamc@1: rcon : ([]) adamc@1: | ident EQ cexp ([(ident, cexp)]) adamc@1: | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon) adamc@1: adamc@83: rconn : ident ([(ident, (CUnit, s (identleft, identright)))]) adamc@83: | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn) adamc@83: adamc@1: rcone : ([]) adamc@1: | ident COLON cexp ([(ident, cexp)]) adamc@1: | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone) adamc@1: adamc@1: ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) adamc@195: | INT (CName (Int64.toString INT), s (INTleft, INTright)) adamc@200: | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)) adamc@8: adamc@8: eapps : eterm (eterm) adamc@8: | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright)) adamc@8: | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright)) adamc@8: adamc@8: eexp : eapps (eapps) adamc@8: | FN SYMBOL kcolon kind DARROW eexp (ECAbs (kcolon, SYMBOL, kind, eexp), s (FNleft, eexpright)) adamc@8: | FN SYMBOL COLON cexp DARROW eexp (EAbs (SYMBOL, SOME cexp, eexp), s (FNleft, eexpright)) adamc@8: | FN SYMBOL DARROW eexp (EAbs (SYMBOL, NONE, eexp), s (FNleft, eexpright)) adamc@93: | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright)) adamc@93: | FN UNIT DARROW eexp (let adamc@93: val loc = s (FNleft, eexpright) adamc@93: in adamc@93: (EAbs ("_", SOME (TRecord (CRecord [], loc), loc), eexp), loc) adamc@93: end) adamc@8: adamc@196: | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright)) adamc@149: | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright)) adamc@170: | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright)) adamc@190: | IF eexp THEN eexp ELSE eexp (let adamc@190: val loc = s (IFleft, eexp3right) adamc@190: in adamc@190: (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2), adamc@190: ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc) adamc@190: end) adamc@8: adamc@8: eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright)) adamc@195: | LPAREN etuple RPAREN (let adamc@195: val loc = s (LPARENleft, RPARENright) adamc@195: in adamc@195: (ERecord (ListUtil.mapi (fn (i, e) => adamc@195: ((CName (Int.toString (i + 1)), loc), adamc@195: e)) etuple), loc) adamc@195: end) adamc@8: adamc@34: | path (EVar path, s (pathleft, pathright)) adamc@156: | cpath (EVar cpath, s (cpathleft, cpathright)) adamc@12: | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright)) adamc@110: | UNIT (ERecord [], s (UNITleft, UNITright)) adamc@12: adamc@14: | INT (EPrim (Prim.Int INT), s (INTleft, INTright)) adamc@14: | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright)) adamc@14: | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright)) adamc@14: adamc@200: | path DOT idents (let adamc@200: val loc = s (pathleft, identsright) adamc@200: in adamc@200: foldl (fn (ident, e) => adamc@200: (EField (e, ident), loc)) adamc@200: (EVar path, s (pathleft, pathright)) idents adamc@200: end) adamc@71: | FOLD (EFold, s (FOLDleft, FOLDright)) adamc@71: adamc@91: | XML_BEGIN xml XML_END (xml) adamc@91: | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)), adamc@91: (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))), adamc@91: s (XML_BEGINleft, XML_ENDright)) adamc@204: | LPAREN query RPAREN (query) adamc@91: adamc@200: idents : ident ([ident]) adamc@200: | ident DOT idents (ident :: idents) adamc@200: adamc@195: etuple : eexp COMMA eexp ([eexp1, eexp2]) adamc@195: | eexp COMMA etuple (eexp :: etuple) adamc@195: adamc@170: branch : pat DARROW eexp (pat, eexp) adamc@170: adamc@170: branchs: ([]) adamc@170: | BAR branch branchs (branch :: branchs) adamc@170: adamc@170: pat : pterm (pterm) adamc@170: | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright)) adamc@170: adamc@170: pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright)) adamc@170: | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright)) adamc@170: | UNDER (PWild, s (UNDERleft, UNDERright)) adamc@173: | INT (PPrim (Prim.Int INT), s (INTleft, INTright)) adamc@173: | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright)) adamc@170: | LPAREN pat RPAREN (pat) adamc@174: | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright)) adamc@174: | UNIT (PRecord ([], false), s (UNITleft, UNITright)) adamc@174: | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright)) adamc@195: | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple, adamc@195: false), adamc@195: s (LPARENleft, RPARENright)) adamc@174: adamc@175: rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false) adamc@174: | DOTDOTDOT ([], true) adamc@175: | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat) adamc@170: adamc@195: ptuple : pat COMMA pat ([pat1, pat2]) adamc@195: | pat COMMA ptuple (pat :: ptuple) adamc@195: adamc@12: rexp : ([]) adamc@12: | ident EQ eexp ([(ident, eexp)]) adamc@12: | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp) adamc@91: adamc@141: xml : xmlOne xml (let adamc@141: val pos = s (xmlOneleft, xmlright) adamc@141: in adamc@141: (EApp ((EApp ( adamc@141: (EVar (["Basis"], "join"), pos), adamc@91: xmlOne), pos), adamc@141: xml), pos) adamc@141: end) adamc@141: | xmlOne (xmlOne) adamc@91: adamc@141: xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)), adamc@141: (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))), adamc@141: s (NOTAGSleft, NOTAGSright)) adamc@141: | tag DIVIDE GT (let adamc@141: val pos = s (tagleft, GTright) adamc@141: in adamc@141: (EApp (#2 tag, adamc@141: (EApp ((EVar (["Basis"], "cdata"), pos), adamc@141: (EPrim (Prim.String ""), pos)), adamc@141: pos)), pos) adamc@141: end) adamc@141: adamc@141: | tag GT xml END_TAG (let adamc@141: val pos = s (tagleft, GTright) adamc@141: in adamc@141: if #1 tag = END_TAG then adamc@141: if END_TAG = "lform" then adamc@141: (EApp ((EVar (["Basis"], "lform"), pos), adamc@141: xml), pos) adamc@141: else adamc@141: (EApp (#2 tag, xml), pos) adamc@141: else adamc@141: (ErrorMsg.errorAt pos "Begin and end tags don't match."; adamc@141: (EFold, pos)) adamc@141: end) adamc@141: | LBRACE eexp RBRACE (eexp) adamc@92: adamc@141: tag : tagHead attrs (let adamc@141: val pos = s (tagHeadleft, attrsright) adamc@141: in adamc@141: (#1 tagHead, adamc@141: (EApp ((EApp ((EVar (["Basis"], "tag"), pos), adamc@141: (ERecord attrs, pos)), pos), adamc@141: (EApp (#2 tagHead, adamc@141: (ERecord [], pos)), pos)), adamc@141: pos)) adamc@141: end) adamc@141: adamc@141: tagHead: BEGIN_TAG (let adamc@141: val pos = s (BEGIN_TAGleft, BEGIN_TAGright) adamc@141: in adamc@141: (BEGIN_TAG, adamc@141: (EVar ([], BEGIN_TAG), pos)) adamc@141: end) adamc@141: | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright))) adamc@92: adamc@104: attrs : ([]) adamc@104: | attr attrs (attr :: attrs) adamc@104: adamc@204: attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv) adamc@204: adamc@104: attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright)) adamc@104: | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright)) adamc@104: | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright)) adamc@110: | LBRACE eexp RBRACE (eexp) adamc@204: adamc@209: query : SELECT select FROM tables wopt adamc@209: (let adamc@204: val loc = s (SELECTleft, tablesright) adamc@207: adamc@207: val sel = adamc@207: case select of adamc@207: Star => map (fn (nm, _) => adamc@207: (nm, (CTuple [(CWild (KRecord (KType, loc), loc), adamc@207: loc), adamc@207: (CRecord [], loc)], adamc@207: loc))) tables adamc@207: | Items sis => adamc@207: let adamc@207: val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables adamc@207: val tabs = foldl (amend_select loc) tabs sis adamc@207: in adamc@207: map (fn (nm, c) => (nm, adamc@207: (CTuple [c, adamc@207: (CWild (KRecord (KType, loc), loc), adamc@207: loc)], loc))) tabs adamc@207: end adamc@207: adamc@207: val sel = (CRecord sel, loc) adamc@207: adamc@207: val e = (EVar (["Basis"], "sql_query"), loc) adamc@207: val e = (ECApp (e, sel), loc) adamc@209: val re = (ERecord [((CName "From", loc), adamc@209: (ERecord tables, loc)), adamc@209: ((CName "Where", loc), adamc@209: wopt)], loc) adamc@209: val e = (EApp (e, re), loc) adamc@204: in adamc@207: e adamc@204: end) adamc@204: adamc@204: tables : table ([table]) adamc@204: | table COMMA tables (table :: tables) adamc@204: adamc@204: tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) adamc@204: | LBRACE cexp RBRACE (cexp) adamc@204: adamc@207: table : SYMBOL ((CName SYMBOL, s (SYMBOLleft, SYMBOLright)), adamc@204: (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))) adamc@204: | SYMBOL AS tname (tname, (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))) adamc@204: | LBRACE eexp RBRACE AS tname (tname, eexp) adamc@207: adamc@207: tident : SYMBOL (CName SYMBOL, s (SYMBOLleft, SYMBOLright)) adamc@207: | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) adamc@207: | LBRACE cexp RBRACE (cexp) adamc@207: adamc@207: fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright)) adamc@207: | LBRACE cexp RBRACE (cexp) adamc@207: adamc@207: seli : tident DOT fident (Field (tident, fident)) adamc@207: adamc@207: selis : seli ([seli]) adamc@207: | seli COMMA selis (seli :: selis) adamc@207: adamc@207: select : STAR (Star) adamc@207: | selis (Items selis) adamc@209: adamc@209: sqlexp : TRUE (sql_inject (EVar (["Basis"], "True"), adamc@209: EVar (["Basis"], "sql_bool"), adamc@209: s (TRUEleft, TRUEright))) adamc@209: | FALSE (sql_inject (EVar (["Basis"], "False"), adamc@209: EVar (["Basis"], "sql_bool"), adamc@209: s (FALSEleft, FALSEright))) adamc@209: adamc@209: wopt : (sql_inject (EVar (["Basis"], "True"), adamc@209: EVar (["Basis"], "sql_bool"), adamc@209: ErrorMsg.dummySpan)) adamc@209: | CWHERE sqlexp (sqlexp)