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GROUP BY and HAVING
author Adam Chlipala <adamc@hcoop.net>
date Thu, 21 Aug 2008 14:09:08 -0400
parents b0041cc7e5f7
children 016d71e878c1
rev   line source
adamc@1 1 (* Copyright (c) 2008, Adam Chlipala
adamc@1 2 * All rights reserved.
adamc@1 3 *
adamc@1 4 * Redistribution and use in source and binary forms, with or without
adamc@1 5 * modification, are permitted provided that the following conditions are met:
adamc@1 6 *
adamc@1 7 * - Redistributions of source code must retain the above copyright notice,
adamc@1 8 * this list of conditions and the following disclaimer.
adamc@1 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@1 10 * this list of conditions and the following disclaimer in the documentation
adamc@1 11 * and/or other materials provided with the distribution.
adamc@1 12 * - The names of contributors may not be used to endorse or promote products
adamc@1 13 * derived from this software without specific prior written permission.
adamc@1 14 *
adamc@1 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@1 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@1 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@1 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@1 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@1 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@1 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@1 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@1 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@1 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@1 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@1 26 *)
adamc@1 27
adamc@1 28 (* Grammar for Laconic/Web programs *)
adamc@1 29
adamc@4 30 open Source
adamc@1 31
adamc@1 32 val s = ErrorMsg.spanOf
adamc@1 33
adamc@204 34 fun capitalize "" = ""
adamc@204 35 | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@104 36
adamc@203 37 fun entable t =
adamc@203 38 case #1 t of
adamc@203 39 TRecord c => c
adamc@203 40 | _ => t
adamc@203 41
adamc@207 42 datatype select_item =
adamc@207 43 Field of con * con
adamc@207 44
adamc@207 45 datatype select =
adamc@207 46 Star
adamc@207 47 | Items of select_item list
adamc@207 48
adamc@226 49 datatype group_item =
adamc@226 50 GField of con * con
adamc@226 51
adamc@207 52 fun eqTnames ((c1, _), (c2, _)) =
adamc@207 53 case (c1, c2) of
adamc@207 54 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207 55 | (CName x1, CName x2) => x1 = x2
adamc@207 56 | _ => false
adamc@207 57
adamc@207 58 fun amend_select loc (si, tabs) =
adamc@207 59 let
adamc@207 60 val (tx, c) = case si of
adamc@207 61 Field (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adamc@207 62
adamc@207 63 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@207 64 if eqTnames (tx, tx') then
adamc@207 65 ((tx', (CConcat (c, c'), loc)), true)
adamc@207 66 else
adamc@207 67 ((tx', c'), found))
adamc@207 68 false tabs
adamc@207 69 in
adamc@207 70 if found then
adamc@207 71 ()
adamc@207 72 else
adamc@207 73 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@207 74
adamc@207 75 tabs
adamc@207 76 end
adamc@207 77
adamc@226 78 fun amend_group loc (gi, tabs) =
adamc@226 79 let
adamc@226 80 val (tx, c) = case gi of
adamc@226 81 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adamc@226 82
adamc@226 83 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226 84 if eqTnames (tx, tx') then
adamc@226 85 ((tx', (CConcat (c, c'), loc)), true)
adamc@226 86 else
adamc@226 87 ((tx', c'), found))
adamc@226 88 false tabs
adamc@226 89 in
adamc@226 90 if found then
adamc@226 91 ()
adamc@226 92 else
adamc@226 93 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226 94
adamc@226 95 tabs
adamc@226 96 end
adamc@226 97
adamc@209 98 fun sql_inject (v, t, loc) =
adamc@209 99 let
adamc@209 100 val e = (EApp ((EVar (["Basis"], "sql_inject"), loc), (v, loc)), loc)
adamc@209 101 in
adamc@209 102 (EApp (e, (t, loc)), loc)
adamc@209 103 end
adamc@209 104
adamc@219 105 fun sql_compare (oper, sqlexp1, sqlexp2, loc) =
adamc@219 106 let
adamc@219 107 val e = (EVar (["Basis"], "sql_comparison"), loc)
adamc@219 108 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@219 109 val e = (EApp (e, sqlexp1), loc)
adamc@219 110 val e = (EApp (e, sqlexp2), loc)
adamc@219 111 in
adamc@220 112 (EApp (e, (EWild, loc)), loc)
adamc@220 113 end
adamc@220 114
adamc@220 115 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220 116 let
adamc@220 117 val e = (EVar (["Basis"], "sql_binary"), loc)
adamc@220 118 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@220 119 val e = (EApp (e, sqlexp1), loc)
adamc@220 120 in
adamc@220 121 (EApp (e, sqlexp2), loc)
adamc@220 122 end
adamc@220 123
adamc@220 124 fun sql_unary (oper, sqlexp, loc) =
adamc@220 125 let
adamc@220 126 val e = (EVar (["Basis"], "sql_unary"), loc)
adamc@220 127 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@220 128 in
adamc@220 129 (EApp (e, sqlexp), loc)
adamc@219 130 end
adamc@219 131
adamc@1 132 %%
adamc@1 133 %header (functor LacwebLrValsFn(structure Token : TOKEN))
adamc@1 134
adamc@1 135 %term
adamc@1 136 EOF
adamc@14 137 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 138 | SYMBOL of string | CSYMBOL of string
adamc@1 139 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 140 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@219 141 | DIVIDE | DOTDOTDOT
adamc@211 142 | CON | LTYPE | VAL | REC | AND | FOLD | UNIT | KUNIT | CLASS
adamc@156 143 | DATATYPE | OF
adamc@7 144 | TYPE | NAME
adamc@195 145 | ARROW | LARROW | DARROW | STAR
adamc@149 146 | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE
adamc@88 147 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN
adamc@203 148 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE
adamc@190 149 | CASE | IF | THEN | ELSE
adamc@1 150
adamc@91 151 | XML_BEGIN of string | XML_END
adamc@91 152 | NOTAGS of string
adamc@91 153 | BEGIN_TAG of string | END_TAG of string
adamc@91 154
adamc@227 155 | SELECT | FROM | AS | CWHERE | GROUP | BY | HAVING
adamc@220 156 | TRUE | FALSE | CAND | OR | NOT
adamc@219 157 | NE | LT | LE | GT | GE
adamc@204 158
adamc@30 159 %nonterm
adamc@1 160 file of decl list
adamc@1 161 | decls of decl list
adamc@1 162 | decl of decl
adamc@123 163 | vali of string * con option * exp
adamc@123 164 | valis of (string * con option * exp) list
adamc@1 165
adamc@191 166 | dargs of string list
adamc@156 167 | barOpt of unit
adamc@156 168 | dcons of (string * con option) list
adamc@156 169 | dcon of string * con option
adamc@156 170
adamc@30 171 | sgn of sgn
adamc@42 172 | sgntm of sgn
adamc@30 173 | sgi of sgn_item
adamc@30 174 | sgis of sgn_item list
adamc@30 175
adamc@30 176 | str of str
adamc@30 177
adamc@1 178 | kind of kind
adamc@207 179 | ktuple of kind list
adamc@1 180 | kcolon of explicitness
adamc@1 181
adamc@34 182 | path of string list * string
adamc@156 183 | cpath of string list * string
adamc@34 184 | spath of str
adamc@59 185 | mpath of string list
adamc@34 186
adamc@1 187 | cexp of con
adamc@1 188 | capps of con
adamc@1 189 | cterm of con
adamc@195 190 | ctuple of con list
adamc@207 191 | ctuplev of con list
adamc@1 192 | ident of con
adamc@200 193 | idents of con list
adamc@1 194 | rcon of (con * con) list
adamc@83 195 | rconn of (con * con) list
adamc@1 196 | rcone of (con * con) list
adamc@1 197
adamc@8 198 | eexp of exp
adamc@8 199 | eapps of exp
adamc@8 200 | eterm of exp
adamc@195 201 | etuple of exp list
adamc@12 202 | rexp of (con * exp) list
adamc@91 203 | xml of exp
adamc@91 204 | xmlOne of exp
adamc@141 205 | tag of string * exp
adamc@141 206 | tagHead of string * exp
adamc@8 207
adamc@170 208 | branch of pat * exp
adamc@170 209 | branchs of (pat * exp) list
adamc@170 210 | pat of pat
adamc@170 211 | pterm of pat
adamc@174 212 | rpat of (string * pat) list * bool
adamc@195 213 | ptuple of pat list
adamc@170 214
adamc@104 215 | attrs of (con * exp) list
adamc@104 216 | attr of con * exp
adamc@104 217 | attrv of exp
adamc@104 218
adamc@204 219 | query of exp
adamc@226 220 | query1 of exp
adamc@204 221 | tables of (con * exp) list
adamc@204 222 | tname of con
adamc@204 223 | table of con * exp
adamc@207 224 | tident of con
adamc@207 225 | fident of con
adamc@207 226 | seli of select_item
adamc@207 227 | selis of select_item list
adamc@207 228 | select of select
adamc@209 229 | sqlexp of exp
adamc@209 230 | wopt of exp
adamc@226 231 | groupi of group_item
adamc@226 232 | groupis of group_item list
adamc@226 233 | gopt of group_item list option
adamc@227 234 | hopt of exp
adamc@207 235
adamc@204 236
adamc@1 237 %verbose (* print summary of errors *)
adamc@1 238 %pos int (* positions *)
adamc@1 239 %start file
adamc@1 240 %pure
adamc@1 241 %eop EOF
adamc@1 242 %noshift EOF
adamc@1 243
adamc@1 244 %name Lacweb
adamc@1 245
adamc@195 246 %nonassoc IF THEN ELSE
adamc@1 247 %nonassoc DARROW
adamc@1 248 %nonassoc COLON
adamc@6 249 %nonassoc DCOLON TCOLON
adamc@1 250 %right COMMA
adamc@220 251 %right OR
adamc@220 252 %right CAND
adamc@219 253 %nonassoc EQ NE LT LE GT GE
adamc@1 254 %right ARROW LARROW
adamc@149 255 %right PLUSPLUS MINUSMINUS
adamc@195 256 %right STAR
adamc@220 257 %left NOT
adamc@84 258 %nonassoc TWIDDLE
adamc@1 259 %nonassoc DOLLAR
adamc@1 260 %left DOT
adamc@221 261 %nonassoc LBRACE RBRACE
adamc@1 262
adamc@1 263 %%
adamc@1 264
adamc@1 265 file : decls (decls)
adamc@54 266 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 267 s (SIGleft, sgisright))])
adamc@1 268
adamc@1 269 decls : ([])
adamc@1 270 | decl decls (decl :: decls)
adamc@1 271
adamc@1 272 decl : CON SYMBOL EQ cexp (DCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@1 273 | CON SYMBOL DCOLON kind EQ cexp (DCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@7 274 | LTYPE SYMBOL EQ cexp (DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@7 275 s (LTYPEleft, cexpright))
adamc@191 276 | DATATYPE SYMBOL dargs EQ barOpt dcons(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 277 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 278 (case dargs of
adamc@191 279 [] => (DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 280 | _ => raise Fail "Arguments specified for imported datatype")
adamc@123 281 | VAL vali (DVal vali, s (VALleft, valiright))
adamc@123 282 | VAL REC valis (DValRec valis, s (VALleft, valisright))
adamc@1 283
adamc@30 284 | SIGNATURE CSYMBOL EQ sgn (DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@30 285 | STRUCTURE CSYMBOL EQ str (DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))
adamc@30 286 | STRUCTURE CSYMBOL COLON sgn EQ str (DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))
adamc@42 287 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@42 288 (DStr (CSYMBOL1, NONE,
adamc@42 289 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@42 290 s (FUNCTORleft, strright))
adamc@42 291 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@42 292 (DStr (CSYMBOL1, NONE,
adamc@42 293 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@42 294 s (FUNCTORleft, strright))
adamc@48 295 | EXTERN STRUCTURE CSYMBOL COLON sgn (DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))
adamc@61 296 | OPEN mpath (case mpath of
adamc@61 297 [] => raise Fail "Impossible mpath parse [1]"
adamc@61 298 | m :: ms => (DOpen (m, ms), s (OPENleft, mpathright)))
adamc@88 299 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 300 [] => raise Fail "Impossible mpath parse [3]"
adamc@88 301 | m :: ms => (DOpenConstraints (m, ms), s (OPENleft, mpathright)))
adamc@88 302 | CONSTRAINT cterm TWIDDLE cterm (DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@109 303 | EXPORT spath (DExport spath, s (EXPORTleft, spathright))
adamc@203 304 | TABLE SYMBOL COLON cexp (DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@211 305 | CLASS SYMBOL EQ cexp (DClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 306 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 307 val loc = s (CLASSleft, cexpright)
adamc@211 308 val k = (KType, loc)
adamc@211 309 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 310 in
adamc@211 311 (DClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 312 end)
adamc@30 313
adamc@191 314 dargs : ([])
adamc@191 315 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 316
adamc@156 317 barOpt : ()
adamc@156 318 | BAR ()
adamc@156 319
adamc@156 320 dcons : dcon ([dcon])
adamc@156 321 | dcon BAR dcons (dcon :: dcons)
adamc@156 322
adamc@156 323 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 324 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 325
adamc@123 326 vali : SYMBOL EQ eexp (SYMBOL, NONE, eexp)
adamc@123 327 | SYMBOL COLON cexp EQ eexp (SYMBOL, SOME cexp, eexp)
adamc@123 328
adamc@123 329 valis : vali ([vali])
adamc@123 330 | vali AND valis (vali :: valis)
adamc@123 331
adamc@42 332 sgn : sgntm (sgntm)
adamc@40 333 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 334 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 335
adamc@42 336 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 337 | mpath (case mpath of
adamc@61 338 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 339 | [x] => SgnVar x
adamc@59 340 | m :: ms => SgnProj (m,
adamc@59 341 List.take (ms, length ms - 1),
adamc@59 342 List.nth (ms, length ms - 1)),
adamc@59 343 s (mpathleft, mpathright))
adamc@42 344 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 345 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 346 | LPAREN sgn RPAREN (sgn)
adamc@42 347
adamc@30 348 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 349 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 350 s (LTYPEleft, SYMBOLright))
adamc@30 351 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 352 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 353 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 354 s (LTYPEleft, cexpright))
adamc@191 355 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 356 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 357 (case dargs of
adamc@191 358 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 359 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 360 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 361
adamc@30 362 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 363 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 364 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 365 (SgiStr (CSYMBOL1,
adamc@42 366 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 367 s (FUNCTORleft, sgn2right))
adamc@58 368 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 369 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@203 370 | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@211 371 | CLASS SYMBOL (SgiClassAbs SYMBOL, s (CLASSleft, SYMBOLright))
adamc@211 372 | CLASS SYMBOL EQ cexp (SgiClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 373 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 374 val loc = s (CLASSleft, cexpright)
adamc@211 375 val k = (KType, loc)
adamc@211 376 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 377 in
adamc@211 378 (SgiClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 379 end)
adamc@30 380
adamc@30 381 sgis : ([])
adamc@30 382 | sgi sgis (sgi :: sgis)
adamc@30 383
adamc@30 384 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 385 | spath (spath)
adamc@40 386 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 387 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 388 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 389 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 390 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 391
adamc@34 392 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 393 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 394
adamc@1 395 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 396 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 397 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 398 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 399 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 400 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 401 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 402 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@207 403
adamc@207 404 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 405 | kind STAR ktuple (kind :: ktuple)
adamc@1 406
adamc@1 407 capps : cterm (cterm)
adamc@1 408 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 409
adamc@1 410 cexp : capps (capps)
adamc@1 411 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 412 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@1 413
adamc@1 414 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 415
adamc@67 416 | FN SYMBOL DARROW cexp (CAbs (SYMBOL, NONE, cexp), s (FNleft, cexpright))
adamc@67 417 | FN SYMBOL DCOLON kind DARROW cexp (CAbs (SYMBOL, SOME kind, cexp), s (FNleft, cexpright))
adamc@84 418 | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@85 419 | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@1 420
adamc@8 421 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 422
adamc@18 423 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 424 | ctuple (let
adamc@195 425 val loc = s (ctupleleft, ctupleright)
adamc@195 426 in
adamc@195 427 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 428 ((CName (Int.toString (i + 1)), loc),
adamc@195 429 c)) ctuple),
adamc@195 430 loc), loc)
adamc@195 431 end)
adamc@18 432
adamc@1 433 kcolon : DCOLON (Explicit)
adamc@1 434 | TCOLON (Implicit)
adamc@1 435
adamc@34 436 path : SYMBOL ([], SYMBOL)
adamc@34 437 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 438
adamc@156 439 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 440 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 441
adamc@59 442 mpath : CSYMBOL ([CSYMBOL])
adamc@59 443 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 444
adamc@1 445 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 446 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 447 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 448 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 449 s (LBRACEleft, RBRACEright))
adamc@1 450 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 451 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 452 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 453
adamc@34 454 | path (CVar path, s (pathleft, pathright))
adamc@207 455 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 456 s (pathleft, INTright))
adamc@18 457 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@67 458 | FOLD (CFold, s (FOLDleft, FOLDright))
adamc@82 459 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 460 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 461
adamc@207 462 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 463 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 464
adamc@196 465 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 466 | capps STAR ctuple (capps :: ctuple)
adamc@195 467
adamc@1 468 rcon : ([])
adamc@1 469 | ident EQ cexp ([(ident, cexp)])
adamc@1 470 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 471
adamc@83 472 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 473 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 474
adamc@1 475 rcone : ([])
adamc@1 476 | ident COLON cexp ([(ident, cexp)])
adamc@1 477 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 478
adamc@1 479 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 480 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 481 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 482
adamc@8 483 eapps : eterm (eterm)
adamc@8 484 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 485 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@8 486
adamc@8 487 eexp : eapps (eapps)
adamc@8 488 | FN SYMBOL kcolon kind DARROW eexp (ECAbs (kcolon, SYMBOL, kind, eexp), s (FNleft, eexpright))
adamc@8 489 | FN SYMBOL COLON cexp DARROW eexp (EAbs (SYMBOL, SOME cexp, eexp), s (FNleft, eexpright))
adamc@8 490 | FN SYMBOL DARROW eexp (EAbs (SYMBOL, NONE, eexp), s (FNleft, eexpright))
adamc@212 491 | FN UNDER COLON cexp DARROW eexp (EAbs ("_", SOME cexp, eexp), s (FNleft, eexpright))
adamc@93 492 | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright))
adamc@93 493 | FN UNIT DARROW eexp (let
adamc@93 494 val loc = s (FNleft, eexpright)
adamc@93 495 in
adamc@93 496 (EAbs ("_", SOME (TRecord (CRecord [], loc), loc), eexp), loc)
adamc@93 497 end)
adamc@8 498
adamc@196 499 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 500 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@170 501 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 502 | IF eexp THEN eexp ELSE eexp (let
adamc@190 503 val loc = s (IFleft, eexp3right)
adamc@190 504 in
adamc@190 505 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 506 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 507 end)
adamc@8 508
adamc@8 509 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 510 | LPAREN etuple RPAREN (let
adamc@195 511 val loc = s (LPARENleft, RPARENright)
adamc@195 512 in
adamc@195 513 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 514 ((CName (Int.toString (i + 1)), loc),
adamc@195 515 e)) etuple), loc)
adamc@195 516 end)
adamc@8 517
adamc@34 518 | path (EVar path, s (pathleft, pathright))
adamc@156 519 | cpath (EVar cpath, s (cpathleft, cpathright))
adamc@12 520 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 521 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 522
adamc@14 523 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 524 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 525 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 526
adamc@200 527 | path DOT idents (let
adamc@200 528 val loc = s (pathleft, identsright)
adamc@200 529 in
adamc@200 530 foldl (fn (ident, e) =>
adamc@200 531 (EField (e, ident), loc))
adamc@200 532 (EVar path, s (pathleft, pathright)) idents
adamc@200 533 end)
adamc@71 534 | FOLD (EFold, s (FOLDleft, FOLDright))
adamc@71 535
adamc@91 536 | XML_BEGIN xml XML_END (xml)
adamc@91 537 | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)),
adamc@91 538 (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))),
adamc@91 539 s (XML_BEGINleft, XML_ENDright))
adamc@204 540 | LPAREN query RPAREN (query)
adamc@211 541 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 542
adamc@200 543 idents : ident ([ident])
adamc@200 544 | ident DOT idents (ident :: idents)
adamc@200 545
adamc@195 546 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 547 | eexp COMMA etuple (eexp :: etuple)
adamc@195 548
adamc@170 549 branch : pat DARROW eexp (pat, eexp)
adamc@170 550
adamc@170 551 branchs: ([])
adamc@170 552 | BAR branch branchs (branch :: branchs)
adamc@170 553
adamc@170 554 pat : pterm (pterm)
adamc@170 555 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 556
adamc@170 557 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 558 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 559 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 560 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 561 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 562 | LPAREN pat RPAREN (pat)
adamc@174 563 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 564 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 565 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 566 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 567 false),
adamc@195 568 s (LPARENleft, RPARENright))
adamc@174 569
adamc@175 570 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@174 571 | DOTDOTDOT ([], true)
adamc@175 572 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@170 573
adamc@195 574 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 575 | pat COMMA ptuple (pat :: ptuple)
adamc@195 576
adamc@12 577 rexp : ([])
adamc@12 578 | ident EQ eexp ([(ident, eexp)])
adamc@12 579 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 580
adamc@141 581 xml : xmlOne xml (let
adamc@141 582 val pos = s (xmlOneleft, xmlright)
adamc@141 583 in
adamc@141 584 (EApp ((EApp (
adamc@141 585 (EVar (["Basis"], "join"), pos),
adamc@91 586 xmlOne), pos),
adamc@141 587 xml), pos)
adamc@141 588 end)
adamc@141 589 | xmlOne (xmlOne)
adamc@91 590
adamc@141 591 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)),
adamc@141 592 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 593 s (NOTAGSleft, NOTAGSright))
adamc@141 594 | tag DIVIDE GT (let
adamc@141 595 val pos = s (tagleft, GTright)
adamc@141 596 in
adamc@141 597 (EApp (#2 tag,
adamc@141 598 (EApp ((EVar (["Basis"], "cdata"), pos),
adamc@141 599 (EPrim (Prim.String ""), pos)),
adamc@141 600 pos)), pos)
adamc@141 601 end)
adamc@141 602
adamc@141 603 | tag GT xml END_TAG (let
adamc@141 604 val pos = s (tagleft, GTright)
adamc@141 605 in
adamc@141 606 if #1 tag = END_TAG then
adamc@141 607 if END_TAG = "lform" then
adamc@141 608 (EApp ((EVar (["Basis"], "lform"), pos),
adamc@141 609 xml), pos)
adamc@141 610 else
adamc@141 611 (EApp (#2 tag, xml), pos)
adamc@141 612 else
adamc@141 613 (ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@141 614 (EFold, pos))
adamc@141 615 end)
adamc@141 616 | LBRACE eexp RBRACE (eexp)
adamc@92 617
adamc@141 618 tag : tagHead attrs (let
adamc@141 619 val pos = s (tagHeadleft, attrsright)
adamc@141 620 in
adamc@141 621 (#1 tagHead,
adamc@141 622 (EApp ((EApp ((EVar (["Basis"], "tag"), pos),
adamc@141 623 (ERecord attrs, pos)), pos),
adamc@141 624 (EApp (#2 tagHead,
adamc@141 625 (ERecord [], pos)), pos)),
adamc@141 626 pos))
adamc@141 627 end)
adamc@141 628
adamc@141 629 tagHead: BEGIN_TAG (let
adamc@141 630 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 631 in
adamc@141 632 (BEGIN_TAG,
adamc@141 633 (EVar ([], BEGIN_TAG), pos))
adamc@141 634 end)
adamc@141 635 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 636
adamc@104 637 attrs : ([])
adamc@104 638 | attr attrs (attr :: attrs)
adamc@104 639
adamc@204 640 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 641
adamc@104 642 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 643 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 644 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 645 | LBRACE eexp RBRACE (eexp)
adamc@226 646
adamc@226 647 query : query1 (query1)
adamc@204 648
adamc@227 649 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 650 (let
adamc@204 651 val loc = s (SELECTleft, tablesright)
adamc@207 652
adamc@207 653 val sel =
adamc@207 654 case select of
adamc@207 655 Star => map (fn (nm, _) =>
adamc@207 656 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@207 657 loc),
adamc@207 658 (CRecord [], loc)],
adamc@207 659 loc))) tables
adamc@207 660 | Items sis =>
adamc@207 661 let
adamc@207 662 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@207 663 val tabs = foldl (amend_select loc) tabs sis
adamc@207 664 in
adamc@207 665 map (fn (nm, c) => (nm,
adamc@207 666 (CTuple [c,
adamc@207 667 (CWild (KRecord (KType, loc), loc),
adamc@207 668 loc)], loc))) tabs
adamc@207 669 end
adamc@207 670
adamc@207 671 val sel = (CRecord sel, loc)
adamc@207 672
adamc@226 673 val grp = case gopt of
adamc@226 674 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all"), loc),
adamc@226 675 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 676 loc), loc)), loc)
adamc@226 677 | SOME gis =>
adamc@226 678 let
adamc@226 679 val tabs = map (fn (nm, _) =>
adamc@226 680 (nm, (CRecord [], loc))) tables
adamc@226 681 val tabs = foldl (amend_group loc) tabs gis
adamc@226 682
adamc@226 683 val tabs = map (fn (nm, c) =>
adamc@226 684 (nm,
adamc@226 685 (CTuple [c,
adamc@226 686 (CWild (KRecord (KType, loc),
adamc@226 687 loc),
adamc@226 688 loc)], loc))) tabs
adamc@226 689 in
adamc@226 690 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@226 691 (CRecord tabs, loc)), loc)
adamc@226 692 end
adamc@226 693
adamc@207 694 val e = (EVar (["Basis"], "sql_query"), loc)
adamc@209 695 val re = (ERecord [((CName "From", loc),
adamc@209 696 (ERecord tables, loc)),
adamc@209 697 ((CName "Where", loc),
adamc@223 698 wopt),
adamc@224 699 ((CName "GroupBy", loc),
adamc@226 700 grp),
adamc@224 701 ((CName "Having", loc),
adamc@224 702 hopt),
adamc@223 703 ((CName "SelectFields", loc),
adamc@223 704 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@223 705 sel), loc))], loc)
adamc@223 706
adamc@209 707 val e = (EApp (e, re), loc)
adamc@204 708 in
adamc@207 709 e
adamc@204 710 end)
adamc@204 711
adamc@204 712 tables : table ([table])
adamc@204 713 | table COMMA tables (table :: tables)
adamc@204 714
adamc@204 715 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 716 | LBRACE cexp RBRACE (cexp)
adamc@204 717
adamc@207 718 table : SYMBOL ((CName SYMBOL, s (SYMBOLleft, SYMBOLright)),
adamc@204 719 (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@204 720 | SYMBOL AS tname (tname, (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@221 721 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 722
adamc@207 723 tident : SYMBOL (CName SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@207 724 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 725 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 726
adamc@207 727 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 728 | LBRACE cexp RBRACE (cexp)
adamc@207 729
adamc@207 730 seli : tident DOT fident (Field (tident, fident))
adamc@207 731
adamc@207 732 selis : seli ([seli])
adamc@207 733 | seli COMMA selis (seli :: selis)
adamc@207 734
adamc@207 735 select : STAR (Star)
adamc@207 736 | selis (Items selis)
adamc@209 737
adamc@209 738 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True"),
adamc@209 739 EVar (["Basis"], "sql_bool"),
adamc@209 740 s (TRUEleft, TRUEright)))
adamc@209 741 | FALSE (sql_inject (EVar (["Basis"], "False"),
adamc@209 742 EVar (["Basis"], "sql_bool"),
adamc@209 743 s (FALSEleft, FALSEright)))
adamc@209 744
adamc@222 745 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 746 EVar (["Basis"], "sql_int"),
adamc@222 747 s (INTleft, INTright)))
adamc@222 748 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 749 EVar (["Basis"], "sql_float"),
adamc@222 750 s (FLOATleft, FLOATright)))
adamc@222 751
adamc@221 752 | tident DOT fident (let
adamc@221 753 val loc = s (tidentleft, fidentright)
adamc@221 754 val e = (EVar (["Basis"], "sql_field"), loc)
adamc@221 755 val e = (ECApp (e, tident), loc)
adamc@221 756 in
adamc@221 757 (ECApp (e, fident), loc)
adamc@221 758 end)
adamc@221 759
adamc@219 760 | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 761 | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 762 | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 763 | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 764 | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 765 | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 766
adamc@220 767 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 768 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 769 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@220 770
adamc@210 771 | LBRACE eexp RBRACE (sql_inject (#1 eexp,
adamc@211 772 EWild,
adamc@210 773 s (LBRACEleft, RBRACEright)))
adamc@220 774 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 775
adamc@209 776 wopt : (sql_inject (EVar (["Basis"], "True"),
adamc@209 777 EVar (["Basis"], "sql_bool"),
adamc@209 778 ErrorMsg.dummySpan))
adamc@209 779 | CWHERE sqlexp (sqlexp)
adamc@226 780
adamc@226 781 groupi : tident DOT fident (GField (tident, fident))
adamc@226 782
adamc@226 783 groupis: groupi ([groupi])
adamc@226 784 | groupi COMMA groupis (groupi :: groupis)
adamc@226 785
adamc@226 786 gopt : (NONE)
adamc@226 787 | GROUP BY groupis (SOME groupis)
adamc@227 788
adamc@227 789 hopt : (sql_inject (EVar (["Basis"], "True"),
adamc@227 790 EVar (["Basis"], "sql_bool"),
adamc@227 791 ErrorMsg.dummySpan))
adamc@227 792 | HAVING sqlexp (sqlexp)