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author Adam Chlipala <adam@chlipala.net>
date Tue, 10 Jan 2012 10:10:51 -0500
parents 570636457047
children ac141fbb313a
rev   line source
adam@1643 1 (* Copyright (c) 2008-2011, 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@339 15 * THIS SOFTARE 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@244 28 (* Grammar for Ur/Web programs *)
adamc@1 29
adamc@4 30 open Source
adamc@1 31
adamc@1 32 val s = ErrorMsg.spanOf
adamc@230 33 val dummy = ErrorMsg.dummySpan
adamc@1 34
adamc@204 35 fun capitalize "" = ""
adamc@204 36 | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@104 37
adamc@203 38 fun entable t =
adamc@203 39 case #1 t of
adamc@203 40 TRecord c => c
adamc@203 41 | _ => t
adamc@203 42
adamc@207 43 datatype select_item =
adamc@207 44 Field of con * con
adamc@1194 45 | Exp of con option * exp
adamc@341 46 | Fields of con * con
adam@1627 47 | StarFields of con
adamc@207 48
adamc@207 49 datatype select =
adamc@207 50 Star
adamc@207 51 | Items of select_item list
adamc@207 52
adamc@226 53 datatype group_item =
adamc@226 54 GField of con * con
adam@1425 55 | GFields of con * con
adamc@226 56
adamc@207 57 fun eqTnames ((c1, _), (c2, _)) =
adamc@207 58 case (c1, c2) of
adamc@207 59 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207 60 | (CName x1, CName x2) => x1 = x2
adamc@207 61 | _ => false
adamc@207 62
adam@1424 63 fun nameString (c, _) =
adam@1424 64 case c of
adam@1424 65 CName s => s
adam@1424 66 | CVar (_, x) => x
adam@1424 67 | _ => "?"
adam@1424 68
adam@1627 69 datatype tableMode =
adam@1627 70 Unknown
adam@1627 71 | Everything
adam@1627 72 | Selective of con
adam@1627 73
adamc@1194 74 fun amend_select loc (si, (count, tabs, exps)) =
adamc@233 75 case si of
adamc@233 76 Field (tx, fx) =>
adamc@233 77 let
adamc@233 78 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207 79
adamc@233 80 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233 81 if eqTnames (tx, tx') then
adam@1627 82 case c' of
adam@1627 83 Everything =>
adam@1627 84 (ErrorMsg.errorAt loc
adam@1627 85 "Mixing specific-field and '*' selection of fields from same table";
adam@1627 86 ((tx', c'), found))
adam@1627 87 | Unknown =>
adam@1627 88 ((tx', Selective c), true)
adam@1627 89 | Selective c' =>
adam@1627 90 ((tx', Selective (CConcat (c, c'), loc)), true)
adamc@233 91 else
adamc@233 92 ((tx', c'), found))
adamc@233 93 false tabs
adamc@233 94 in
adamc@233 95 if found then
adamc@233 96 ()
adamc@233 97 else
adam@1424 98 ErrorMsg.errorAt loc ("Select of field " ^ nameString fx ^ " from unbound table " ^ nameString tx);
adamc@233 99
adamc@1194 100 (count, tabs, exps)
adamc@233 101 end
adamc@341 102 | Fields (tx, fs) =>
adamc@341 103 let
adamc@341 104 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@341 105 if eqTnames (tx, tx') then
adam@1627 106 case c' of
adam@1627 107 Everything =>
adam@1627 108 (ErrorMsg.errorAt loc
adam@1627 109 "Mixing specific-field and '*' selection of fields from same table";
adam@1627 110 ((tx', c'), found))
adam@1627 111 | Selective c' =>
adam@1627 112 ((tx', Selective (CConcat (fs, c'), loc)), true)
adam@1627 113 | Unknown =>
adam@1627 114 ((tx', Selective fs), true)
adamc@341 115 else
adamc@341 116 ((tx', c'), found))
adamc@341 117 false tabs
adamc@341 118 in
adamc@341 119 if found then
adamc@341 120 ()
adamc@341 121 else
adamc@341 122 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@341 123
adamc@1194 124 (count, tabs, exps)
adamc@341 125 end
adam@1627 126 | StarFields tx =>
adam@1627 127 if List.exists (fn (tx', c') => eqTnames (tx, tx') andalso case c' of
adam@1627 128 Unknown => false
adam@1627 129 | _ => true) tabs then
adam@1627 130 (ErrorMsg.errorAt loc "Selection with '*' from table already mentioned in same SELECT clause";
adam@1627 131 (count, tabs, exps))
adam@1627 132 else if List.all (fn (tx', c') => not (eqTnames (tx, tx'))) tabs then
adam@1627 133 (ErrorMsg.errorAt loc "Select of all fields from unbound table";
adam@1627 134 (count, tabs, exps))
adam@1627 135 else
adam@1627 136 (count, map (fn (tx', c') => (tx', if eqTnames (tx, tx') then Everything else c')) tabs, exps)
adamc@1194 137 | Exp (SOME c, e) => (count, tabs, (c, e) :: exps)
adamc@1194 138 | Exp (NONE, e) => (count+1, tabs, ((CName (Int.toString count), loc), e) :: exps)
adamc@207 139
adamc@226 140 fun amend_group loc (gi, tabs) =
adamc@226 141 let
adamc@226 142 val (tx, c) = case gi of
adamc@226 143 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adam@1425 144 | GFields (tx, fxs) => (tx, fxs)
adamc@226 145
adamc@226 146 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226 147 if eqTnames (tx, tx') then
adamc@226 148 ((tx', (CConcat (c, c'), loc)), true)
adamc@226 149 else
adamc@226 150 ((tx', c'), found))
adam@1425 151 false tabs
adamc@226 152 in
adamc@226 153 if found then
adamc@226 154 ()
adamc@226 155 else
adamc@226 156 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226 157
adamc@226 158 tabs
adamc@226 159 end
adamc@226 160
adamc@403 161 fun sql_inject (v, loc) =
adamc@403 162 (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
adamc@209 163
adamc@220 164 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220 165 let
adamc@403 166 val e = (EVar (["Basis"], "sql_binary", Infer), loc)
adamc@403 167 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 168 val e = (EApp (e, sqlexp1), loc)
adamc@220 169 in
adamc@220 170 (EApp (e, sqlexp2), loc)
adamc@220 171 end
adamc@220 172
adamc@220 173 fun sql_unary (oper, sqlexp, loc) =
adamc@220 174 let
adamc@403 175 val e = (EVar (["Basis"], "sql_unary", Infer), loc)
adamc@403 176 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 177 in
adamc@220 178 (EApp (e, sqlexp), loc)
adamc@219 179 end
adamc@219 180
adam@1427 181 fun sql_relop (oper, all, sqlexp1, sqlexp2, loc) =
adamc@229 182 let
adamc@403 183 val e = (EVar (["Basis"], "sql_relop", Infer), loc)
adamc@403 184 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adam@1427 185 val e = (EApp (e, (EVar (["Basis"], if all then "True" else "False", Infer), loc)), loc)
adamc@229 186 val e = (EApp (e, sqlexp1), loc)
adamc@229 187 in
adamc@229 188 (EApp (e, sqlexp2), loc)
adamc@229 189 end
adamc@229 190
adamc@441 191 fun sql_nfunc (oper, loc) =
adamc@441 192 let
adamc@441 193 val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
adamc@441 194 in
adamc@441 195 (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@441 196 end
adamc@441 197
adamc@389 198 fun native_unop (oper, e1, loc) =
adamc@389 199 let
adamc@403 200 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@389 201 in
adamc@389 202 (EApp (e, e1), loc)
adamc@389 203 end
adamc@389 204
adamc@256 205 fun native_op (oper, e1, e2, loc) =
adamc@256 206 let
adamc@403 207 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@256 208 val e = (EApp (e, e1), loc)
adamc@256 209 in
adamc@256 210 (EApp (e, e2), loc)
adamc@256 211 end
adamc@256 212
adamc@310 213 val inDml = ref false
adamc@310 214
adamc@325 215 fun tagIn bt =
adamc@325 216 case bt of
adamc@325 217 "table" => "tabl"
adamc@325 218 | _ => bt
adamc@325 219
adamc@709 220 datatype prop_kind = Delete | Update
adamc@709 221
adam@1643 222 datatype attr = Class of exp | DynClass of exp | Normal of con * exp
adamc@721 223
adamc@822 224 fun patType loc (p : pat) =
adamc@822 225 case #1 p of
adamc@822 226 PAnnot (_, t) => t
adamc@822 227 | _ => (CWild (KType, loc), loc)
adamc@822 228
adamc@1265 229 fun tnamesOf (e, _) =
adamc@1265 230 case e of
adamc@1265 231 EApp (e1, e2) => tnamesOf e1 @ tnamesOf e2
adamc@1265 232 | ECApp (e, c as (CName _, _)) =>
adamc@1265 233 let
adamc@1265 234 fun isFt (e, _) =
adamc@1265 235 case e of
adamc@1265 236 EVar (["Basis"], "sql_from_table", _) => true
adamc@1265 237 | EVar ([], "sql_from_table", _) => true
adamc@1265 238 | ECApp (e, _) => isFt e
adamc@1265 239 | EApp (e, _) => isFt e
adamc@1265 240 | EDisjointApp e => isFt e
adamc@1265 241 | _ => false
adamc@1265 242 in
adamc@1265 243 (if isFt e then [c] else []) @ tnamesOf e
adamc@1265 244 end
adamc@1265 245 | ECApp (e, _) => tnamesOf e
adamc@1265 246 | EDisjointApp e => tnamesOf e
adamc@1265 247 | _ => []
adamc@1265 248
adamc@1 249 %%
adamc@244 250 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 251
adamc@1 252 %term
adamc@1 253 EOF
adamc@821 254 | STRING of string | INT of Int64.int | FLOAT of Real64.real | CHAR of char
adamc@1 255 | SYMBOL of string | CSYMBOL of string
adamc@1 256 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adam@1306 257 | EQ | COMMA | COLON | DCOLON | DCOLONWILD | TCOLON | TCOLONWILD | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@403 258 | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
adamc@623 259 | CON | LTYPE | VAL | REC | AND | FUN | MAP | UNIT | KUNIT | CLASS
adamc@156 260 | DATATYPE | OF
adamc@7 261 | TYPE | NAME
adamc@629 262 | ARROW | LARROW | DARROW | STAR | SEMI | KARROW | DKARROW | BANG
adamc@674 263 | FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE | CARET
adamc@446 264 | LET | IN
adamc@1071 265 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL | SELECT1
adamc@754 266 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE | VIEW
adamc@1199 267 | COOKIE | STYLE | TASK | POLICY
adamc@842 268 | CASE | IF | THEN | ELSE | ANDALSO | ORELSE
adamc@1 269
adamc@360 270 | XML_BEGIN of string | XML_END | XML_BEGIN_END of string
adamc@91 271 | NOTAGS of string
adamc@91 272 | BEGIN_TAG of string | END_TAG of string
adamc@91 273
adamc@993 274 | SELECT | DISTINCT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 275 | UNION | INTERSECT | EXCEPT
adamc@232 276 | LIMIT | OFFSET | ALL
adamc@220 277 | TRUE | FALSE | CAND | OR | NOT
adamc@236 278 | COUNT | AVG | SUM | MIN | MAX
adamc@268 279 | ASC | DESC
kkallio@1607 280 | INSERT | INTO | VALUES | UPDATE | SET | DELETE | NULL | IS | COALESCE | LIKE
adamc@441 281 | CURRENT_TIMESTAMP
adamc@219 282 | NE | LT | LE | GT | GE
adamc@714 283 | CCONSTRAINT | UNIQUE | CHECK | PRIMARY | FOREIGN | KEY | ON | NO | ACTION | RESTRICT | CASCADE | REFERENCES
adamc@751 284 | JOIN | INNER | CROSS | OUTER | LEFT | RIGHT | FULL
kkallio@1572 285 | CIF | CTHEN | CELSE
adamc@204 286
adamc@30 287 %nonterm
adamc@1 288 file of decl list
adamc@1 289 | decls of decl list
adamc@325 290 | decl of decl list
adamc@123 291 | vali of string * con option * exp
adamc@123 292 | valis of (string * con option * exp) list
adamc@242 293 | copt of con option
adamc@1 294
adamc@191 295 | dargs of string list
adamc@156 296 | barOpt of unit
adamc@156 297 | dcons of (string * con option) list
adamc@805 298 | dtype of string * string list * (string * con option) list
adamc@805 299 | dtypes of (string * string list * (string * con option) list) list
adamc@156 300 | dcon of string * con option
adamc@156 301
adamc@707 302 | pkopt of exp
adamc@707 303 | commaOpt of unit
adamc@707 304
adamc@704 305 | cst of exp
adamc@704 306 | csts of exp
adamc@704 307 | cstopt of exp
adamc@704 308
adamc@1001 309 | ckl of (string * kind option) list
adamc@1001 310
adamc@709 311 | pmode of prop_kind * exp
adamc@709 312 | pkind of prop_kind
adamc@709 313 | prule of exp
adamc@709 314 | pmodes of (prop_kind * exp) list
adamc@709 315
adamc@30 316 | sgn of sgn
adamc@42 317 | sgntm of sgn
adamc@30 318 | sgi of sgn_item
adamc@30 319 | sgis of sgn_item list
adamc@30 320
adamc@30 321 | str of str
adamc@30 322
adamc@1 323 | kind of kind
adamc@207 324 | ktuple of kind list
adamc@1 325 | kcolon of explicitness
adamc@240 326 | kopt of kind option
adamc@1 327
adamc@34 328 | path of string list * string
adamc@156 329 | cpath of string list * string
adamc@34 330 | spath of str
adamc@59 331 | mpath of string list
adamc@34 332
adamc@1 333 | cexp of con
adam@1577 334 | cexpO of con option
adamc@1 335 | capps of con
adamc@1 336 | cterm of con
adamc@195 337 | ctuple of con list
adamc@207 338 | ctuplev of con list
adamc@1 339 | ident of con
adamc@200 340 | idents of con list
adamc@1 341 | rcon of (con * con) list
adamc@83 342 | rconn of (con * con) list
adamc@1 343 | rcone of (con * con) list
adamc@239 344 | cargs of con * kind -> con * kind
adamc@239 345 | cargl of con * kind -> con * kind
adamc@240 346 | cargl2 of con * kind -> con * kind
adamc@239 347 | carg of con * kind -> con * kind
adamc@239 348 | cargp of con * kind -> con * kind
adamc@1 349
adamc@8 350 | eexp of exp
adamc@8 351 | eapps of exp
adamc@8 352 | eterm of exp
adamc@195 353 | etuple of exp list
adamc@12 354 | rexp of (con * exp) list
adamc@91 355 | xml of exp
adamc@91 356 | xmlOne of exp
adamc@1045 357 | xmlOpt of exp
adam@1643 358 | tag of (string * exp) * exp option * exp option * exp
adamc@141 359 | tagHead of string * exp
adamc@434 360 | bind of string * con option * exp
adamc@446 361 | edecl of edecl
adamc@446 362 | edecls of edecl list
adamc@8 363
adamc@241 364 | earg of exp * con -> exp * con
adamc@241 365 | eargp of exp * con -> exp * con
adamc@822 366 | earga of exp * con -> exp * con
adamc@241 367 | eargs of exp * con -> exp * con
adamc@241 368 | eargl of exp * con -> exp * con
adamc@242 369 | eargl2 of exp * con -> exp * con
adamc@241 370
adamc@170 371 | branch of pat * exp
adamc@170 372 | branchs of (pat * exp) list
adamc@170 373 | pat of pat
adamc@822 374 | patS of pat
adamc@170 375 | pterm of pat
adamc@174 376 | rpat of (string * pat) list * bool
adamc@195 377 | ptuple of pat list
adamc@170 378
adam@1643 379 | attrs of exp option * exp option * (con * exp) list
adamc@721 380 | attr of attr
adamc@104 381 | attrv of exp
adamc@104 382
adamc@204 383 | query of exp
adamc@226 384 | query1 of exp
adamc@993 385 | dopt of exp
adamc@748 386 | tables of con list * exp
adamc@749 387 | fitem of con list * exp
adamc@204 388 | tname of con
adamc@705 389 | tnameW of con * con
adamc@705 390 | tnames of (con * con) * (con * con) list
adamc@705 391 | tnames' of (con * con) * (con * con) list
adamc@204 392 | table of con * exp
adamc@748 393 | table' of con * exp
adamc@207 394 | tident of con
adamc@207 395 | fident of con
adamc@207 396 | seli of select_item
adamc@207 397 | selis of select_item list
adamc@207 398 | select of select
adamc@209 399 | sqlexp of exp
adamc@209 400 | wopt of exp
adamc@226 401 | groupi of group_item
adamc@226 402 | groupis of group_item list
adamc@226 403 | gopt of group_item list option
adamc@227 404 | hopt of exp
adamc@230 405 | obopt of exp
adamc@268 406 | obitem of exp * exp
adamc@230 407 | obexps of exp
adamc@268 408 | diropt of exp
adamc@231 409 | lopt of exp
adamc@232 410 | ofopt of exp
adamc@231 411 | sqlint of exp
adamc@236 412 | sqlagg of string
adamc@746 413 | fname of exp
adamc@207 414
adamc@302 415 | texp of exp
adamc@302 416 | fields of con list
adamc@302 417 | sqlexps of exp list
adamc@303 418 | fsets of (con * exp) list
adamc@310 419 | enterDml of unit
adamc@310 420 | leaveDml of unit
adamc@302 421
adamc@204 422
adamc@1 423 %verbose (* print summary of errors *)
adamc@1 424 %pos int (* positions *)
adamc@1 425 %start file
adamc@1 426 %pure
adamc@1 427 %eop EOF
adamc@1 428 %noshift EOF
adamc@1 429
adamc@244 430 %name Urweb
adamc@1 431
adamc@623 432 %right KARROW
adamc@623 433 %nonassoc DKARROW
adamc@243 434 %right SEMI
adamc@243 435 %nonassoc LARROW
adamc@195 436 %nonassoc IF THEN ELSE
adamc@843 437 %nonassoc DARROW
adamc@842 438 %left ANDALSO
adamc@842 439 %left ORELSE
adamc@1 440 %nonassoc COLON
adam@1306 441 %nonassoc DCOLON TCOLON DCOLONWILD TCOLONWILD
adam@1427 442 %left UNION INTERSECT EXCEPT ALL
adamc@1 443 %right COMMA
adamc@751 444 %right JOIN INNER CROSS OUTER LEFT RIGHT FULL
adamc@220 445 %right OR
adamc@220 446 %right CAND
adamc@470 447 %nonassoc EQ NE LT LE GT GE IS
adamc@243 448 %right ARROW
adamc@837 449 %right CARET PLUSPLUS
adamc@837 450 %left MINUSMINUS MINUSMINUSMINUS
adamc@389 451 %left PLUS MINUS
adamc@389 452 %left STAR DIVIDE MOD
adamc@220 453 %left NOT
adamc@84 454 %nonassoc TWIDDLE
adamc@1 455 %nonassoc DOLLAR
adamc@1 456 %left DOT
adamc@221 457 %nonassoc LBRACE RBRACE
adamc@1 458
adamc@1 459 %%
adamc@1 460
adamc@1 461 file : decls (decls)
adamc@54 462 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 463 s (SIGleft, sgisright))])
adamc@1 464
adamc@1 465 decls : ([])
adamc@325 466 | decl decls (decl @ decls)
adamc@1 467
adamc@240 468 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 469 val loc = s (CONleft, cexpright)
adamc@240 470
adamc@240 471 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 472 val (c, k) = cargl2 (cexp, k)
adamc@240 473 in
adamc@325 474 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 475 end)
adam@1654 476 | LTYPE SYMBOL cargl2 EQ cexp (let
adam@1654 477 val loc = s (LTYPEleft, cexpright)
adam@1654 478
adam@1654 479 val k = (KWild, loc)
adam@1654 480 val (c, k) = cargl2 (cexp, k)
adam@1654 481 in
adam@1654 482 [(DCon (SYMBOL, SOME k, c), loc)]
adam@1654 483 end)
adamc@805 484 | DATATYPE dtypes ([(DDatatype dtypes, s (DATATYPEleft, dtypesright))])
adamc@191 485 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 486 (case dargs of
adamc@325 487 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 488 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 489 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 490 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 491 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 492
adamc@325 493 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 494 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 495 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 496 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 497 ([(DStr (CSYMBOL1, NONE,
adamc@325 498 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 499 s (FUNCTORleft, strright))])
adamc@42 500 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 501 ([(DStr (CSYMBOL1, NONE,
adamc@325 502 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 503 s (FUNCTORleft, strright))])
adamc@325 504 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 505 | OPEN mpath (case mpath of
adamc@61 506 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 507 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 508 | OPEN mpath LPAREN str RPAREN (let
adamc@325 509 val loc = s (OPENleft, RPARENright)
adamc@325 510
adamc@325 511 val m = case mpath of
adamc@325 512 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 513 | m :: ms =>
adamc@325 514 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 515 (StrVar m, loc) ms
adamc@325 516 in
adamc@325 517 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 518 (DOpen ("anon", []), loc)]
adamc@325 519 end)
adamc@88 520 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 521 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 522 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 523 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 524 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@707 525 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
adamc@707 526 s (TABLEleft, cstoptright))])
adamc@338 527 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@754 528 | VIEW SYMBOL EQ query ([(DView (SYMBOL, query),
adamc@754 529 s (VIEWleft, queryright))])
adamc@754 530 | VIEW SYMBOL EQ LBRACE eexp RBRACE ([(DView (SYMBOL, eexp),
adamc@754 531 s (VIEWleft, RBRACEright))])
adamc@563 532 | CLASS SYMBOL EQ cexp (let
adamc@563 533 val loc = s (CLASSleft, cexpright)
adamc@563 534 in
adamc@563 535 [(DClass (SYMBOL, (KWild, loc), cexp), loc)]
adamc@563 536 end)
adamc@563 537 | CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
adamc@211 538 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 539 val loc = s (CLASSleft, cexpright)
adamc@563 540 val k = (KWild, loc)
adamc@211 541 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 542 in
adamc@563 543 [(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
adamc@563 544 end)
adamc@563 545 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 546 val loc = s (CLASSleft, cexpright)
adamc@563 547 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 548 in
adamc@563 549 [(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
adamc@211 550 end)
adamc@459 551 | COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@720 552 | STYLE SYMBOL ([(DStyle SYMBOL, s (STYLEleft, SYMBOLright))])
adamc@1075 553 | TASK eapps EQ eexp ([(DTask (eapps, eexp), s (TASKleft, eexpright))])
adamc@1199 554 | POLICY eexp ([(DPolicy eexp, s (POLICYleft, eexpright))])
adamc@30 555
adamc@805 556 dtype : SYMBOL dargs EQ barOpt dcons (SYMBOL, dargs, dcons)
adamc@805 557
adamc@805 558 dtypes : dtype ([dtype])
adamc@805 559 | dtype AND dtypes (dtype :: dtypes)
adamc@805 560
adamc@240 561 kopt : (NONE)
adamc@240 562 | DCOLON kind (SOME kind)
adam@1302 563 | DCOLONWILD (SOME (KWild, s (DCOLONWILDleft, DCOLONWILDright)))
adamc@240 564
adamc@191 565 dargs : ([])
adamc@191 566 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 567
adamc@156 568 barOpt : ()
adamc@156 569 | BAR ()
adamc@156 570
adamc@156 571 dcons : dcon ([dcon])
adamc@156 572 | dcon BAR dcons (dcon :: dcons)
adamc@156 573
adamc@156 574 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 575 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 576
adamc@242 577 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 578 val loc = s (SYMBOLleft, eexpright)
adamc@242 579 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 580
adamc@242 581 val (e, t) = eargl2 (eexp, t)
adamc@242 582 in
adamc@242 583 (SYMBOL, SOME t, e)
adamc@242 584 end)
adamc@242 585
adamc@242 586 copt : (NONE)
adamc@242 587 | COLON cexp (SOME cexp)
adamc@123 588
adamc@704 589 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704 590 | csts (csts)
adamc@704 591
adamc@704 592 csts : CCONSTRAINT tname cst (let
adamc@704 593 val loc = s (CCONSTRAINTleft, cstright)
adamc@704 594
adamc@704 595 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704 596 val e = (ECApp (e, tname), loc)
adamc@704 597 in
adamc@704 598 (EApp (e, cst), loc)
adamc@704 599 end)
adamc@704 600 | csts COMMA csts (let
adamc@704 601 val loc = s (csts1left, csts2right)
adamc@704 602
adamc@704 603 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704 604 val e = (EApp (e, csts1), loc)
adamc@704 605 in
adamc@704 606 (EApp (e, csts2), loc)
adamc@704 607 end)
adamc@704 608 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704 609
adamc@704 610 cst : UNIQUE tnames (let
adamc@704 611 val loc = s (UNIQUEleft, tnamesright)
adamc@704 612
adamc@704 613 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705 614 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705 615 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@704 616 in
adamc@1093 617 e
adamc@704 618 end)
adamc@709 619
adamc@714 620 | CHECK sqlexp (let
adamc@714 621 val loc = s (CHECKleft, sqlexpright)
adamc@714 622 in
adamc@714 623 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714 624 sqlexp), loc)
adamc@714 625 end)
adamc@714 626
adamc@709 627 | FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709 628 (let
adamc@709 629 val loc = s (FOREIGNleft, pmodesright)
adamc@709 630
adamc@709 631 val mat = ListPair.foldrEq
adamc@709 632 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709 633 let
adamc@709 634 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709 635 val e = (ECApp (e, nm1), loc)
adamc@709 636 val e = (ECApp (e, nm2), loc)
adamc@709 637 in
adamc@709 638 (EApp (e, mat), loc)
adamc@709 639 end)
adamc@709 640 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709 641 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adam@1401 642 handle ListPair.UnequalLengths =>
adam@1401 643 (ErrorMsg.errorAt loc ("Unequal foreign key list lengths ("
adam@1401 644 ^ Int.toString (1 + length (#2 tnames))
adam@1401 645 ^ " vs. "
adam@1401 646 ^ Int.toString (1 + length (#2 tnames'))
adam@1401 647 ^ ")");
adam@1401 648 (EVar (["Basis"], "mat_nil", Infer), loc))
adamc@709 649
adamc@709 650 fun findMode mode =
adamc@709 651 let
adamc@709 652 fun findMode' pmodes =
adamc@709 653 case pmodes of
adamc@709 654 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709 655 | (mode', rule) :: pmodes' =>
adamc@709 656 if mode' = mode then
adamc@709 657 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709 658 pmodes' then
adamc@709 659 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709 660 else
adamc@709 661 ();
adamc@709 662 rule)
adamc@709 663 else
adamc@709 664 findMode' pmodes'
adamc@709 665 in
adamc@709 666 findMode' pmodes
adamc@709 667 end
adamc@709 668
adamc@709 669 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709 670 val e = (EApp (e, mat), loc)
adamc@709 671 val e = (EApp (e, texp), loc)
adamc@709 672 in
adamc@709 673 (EApp (e, (ERecord [((CName "OnDelete", loc),
adamc@709 674 findMode Delete),
adamc@709 675 ((CName "OnUpdate", loc),
adamc@709 676 findMode Update)], loc)), loc)
adamc@709 677 end)
adamc@709 678
adamc@704 679 | LBRACE eexp RBRACE (eexp)
adamc@704 680
adamc@704 681 tnameW : tname (let
adamc@704 682 val loc = s (tnameleft, tnameright)
adamc@704 683 in
adamc@704 684 (tname, (CWild (KType, loc), loc))
adamc@704 685 end)
adamc@704 686
adamc@705 687 tnames : tnameW (tnameW, [])
adamc@705 688 | LPAREN tnames' RPAREN (tnames')
adamc@704 689
adamc@705 690 tnames': tnameW (tnameW, [])
adamc@705 691 | tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704 692
adamc@709 693 pmode : ON pkind prule (pkind, prule)
adamc@709 694
adamc@709 695 pkind : DELETE (Delete)
adamc@709 696 | UPDATE (Update)
adamc@709 697
adamc@709 698 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709 699 | RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709 700 | CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709 701 | SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709 702
adamc@709 703 pmodes : ([])
adamc@709 704 | pmode pmodes (pmode :: pmodes)
adamc@709 705
adamc@707 706 commaOpt: ()
adamc@707 707 | COMMA ()
adamc@707 708
adamc@993 709 pkopt : (EVar (["Basis"], "no_primary_key", Infer), dummy)
adamc@707 710 | PRIMARY KEY tnames (let
adamc@707 711 val loc = s (PRIMARYleft, tnamesright)
adamc@707 712
adamc@1093 713 val e = (EVar (["Basis"], "primary_key", TypesOnly), loc)
adamc@707 714 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707 715 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707 716 val e = (EDisjointApp e, loc)
adamc@707 717 val e = (EDisjointApp e, loc)
adamc@707 718
adamc@707 719 val witness = map (fn (c, _) =>
adamc@707 720 (c, (EWild, loc)))
adamc@707 721 (#1 tnames :: #2 tnames)
adamc@707 722 val witness = (ERecord witness, loc)
adamc@707 723 in
adamc@707 724 (EApp (e, witness), loc)
adamc@707 725 end)
adamc@707 726
adamc@123 727 valis : vali ([vali])
adamc@123 728 | vali AND valis (vali :: valis)
adamc@123 729
adamc@42 730 sgn : sgntm (sgntm)
adamc@40 731 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 732 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 733
adamc@42 734 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 735 | mpath (case mpath of
adamc@61 736 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 737 | [x] => SgnVar x
adamc@59 738 | m :: ms => SgnProj (m,
adamc@59 739 List.take (ms, length ms - 1),
adamc@59 740 List.nth (ms, length ms - 1)),
adamc@59 741 s (mpathleft, mpathright))
adamc@42 742 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 743 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 744 | LPAREN sgn RPAREN (sgn)
adamc@42 745
adam@1577 746 cexpO : (NONE)
adam@1577 747 | EQ cexp (SOME cexp)
adam@1577 748
adam@1577 749 sgi : LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706 750 s (LTYPEleft, SYMBOLright)))
adam@1577 751 | CON SYMBOL cargl2 kopt cexpO (let
adam@1577 752 val loc = s (CONleft, cexpOright)
adam@1574 753
adam@1574 754 val k = Option.getOpt (kopt, (KWild, loc))
adam@1574 755 in
adam@1577 756 case cexpO of
adam@1577 757 NONE => (SgiConAbs (SYMBOL, k), loc)
adam@1577 758 | SOME cexp =>
adam@1577 759 let
adam@1577 760 val (c, k) = cargl2 (cexp, k)
adam@1577 761 in
adam@1577 762 (SgiCon (SYMBOL, SOME k, c), loc)
adam@1577 763 end
adam@1574 764 end)
adam@1654 765 | LTYPE SYMBOL cargl2 cexpO (let
adam@1654 766 val loc = s (LTYPEleft, cexpOright)
adam@1654 767
adam@1654 768 val k = (KWild, loc)
adam@1654 769 in
adam@1654 770 case cexpO of
adam@1654 771 NONE => (SgiConAbs (SYMBOL, k), loc)
adam@1654 772 | SOME cexp =>
adam@1654 773 let
adam@1654 774 val (c, k) = cargl2 (cexp, k)
adam@1654 775 in
adam@1654 776 (SgiCon (SYMBOL, SOME k, c), loc)
adam@1654 777 end
adam@1654 778 end)
adamc@805 779 | DATATYPE dtypes ((SgiDatatype dtypes, s (DATATYPEleft, dtypesright)))
adamc@191 780 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 781 (case dargs of
adamc@191 782 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 783 | _ => raise Fail "Arguments specified for imported datatype")
adamc@706 784 | VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30 785
adamc@706 786 | STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706 787 | SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42 788 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706 789 ((SgiStr (CSYMBOL1,
adamc@706 790 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706 791 s (FUNCTORleft, sgn2right)))
adamc@706 792 | INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706 793 | CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707 794 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707 795 val loc = s (TABLEleft, ctermright)
adamc@707 796 in
adamc@707 797 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707 798 end)
adamc@460 799 | SEQUENCE SYMBOL (let
adamc@460 800 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 801 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 802 in
adamc@460 803 (SgiVal (SYMBOL, t), loc)
adamc@460 804 end)
adamc@754 805 | VIEW SYMBOL COLON cexp (let
adamc@754 806 val loc = s (VIEWleft, cexpright)
adamc@754 807 val t = (CVar (["Basis"], "sql_view"), loc)
adamc@1076 808 val t = (CApp (t, entable cexp), loc)
adamc@754 809 in
adamc@754 810 (SgiVal (SYMBOL, t), loc)
adamc@754 811 end)
adamc@563 812 | CLASS SYMBOL (let
adamc@563 813 val loc = s (CLASSleft, SYMBOLright)
adamc@711 814 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563 815 in
adamc@711 816 (SgiClassAbs (SYMBOL, k), loc)
adamc@563 817 end)
adamc@563 818 | CLASS SYMBOL DCOLON kind (let
adamc@563 819 val loc = s (CLASSleft, kindright)
adamc@563 820 in
adamc@563 821 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 822 end)
adamc@563 823 | CLASS SYMBOL EQ cexp (let
adamc@563 824 val loc = s (CLASSleft, cexpright)
adamc@563 825 in
adamc@563 826 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 827 end)
adamc@563 828 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 829 val loc = s (CLASSleft, cexpright)
adamc@563 830 in
adamc@563 831 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 832 end)
adamc@211 833 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 834 val loc = s (CLASSleft, cexpright)
adamc@563 835 val k = (KWild, loc)
adamc@211 836 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 837 in
adamc@563 838 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 839 end)
adamc@563 840 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 841 val loc = s (CLASSleft, cexpright)
adamc@563 842 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 843 in
adamc@563 844 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 845 end)
adamc@460 846 | COOKIE SYMBOL COLON cexp (let
adamc@460 847 val loc = s (COOKIEleft, cexpright)
adamc@460 848 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 849 entable cexp), loc)
adamc@460 850 in
adamc@460 851 (SgiVal (SYMBOL, t), loc)
adamc@460 852 end)
adamc@720 853 | STYLE SYMBOL (let
adamc@720 854 val loc = s (STYLEleft, SYMBOLright)
adamc@720 855 val t = (CVar (["Basis"], "css_class"), loc)
adamc@718 856 in
adamc@718 857 (SgiVal (SYMBOL, t), loc)
adamc@718 858 end)
adamc@30 859
adamc@30 860 sgis : ([])
adamc@30 861 | sgi sgis (sgi :: sgis)
adamc@30 862
adamc@30 863 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 864 | spath (spath)
adamc@40 865 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 866 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 867 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 868 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 869 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 870
adamc@34 871 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 872 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 873
adamc@1 874 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 875 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 876 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 877 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 878 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 879 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 880 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 881 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 882 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 883 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 884
adamc@207 885 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 886 | kind STAR ktuple (kind :: ktuple)
adamc@1 887
adamc@1 888 capps : cterm (cterm)
adamc@1 889 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 890
adamc@1 891 cexp : capps (capps)
adamc@1 892 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 893 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 894 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 895
adamc@1 896 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 897
adamc@239 898 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 899 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 900 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 901
adamc@8 902 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 903
adamc@18 904 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 905 | ctuple (let
adamc@195 906 val loc = s (ctupleleft, ctupleright)
adamc@195 907 in
adamc@195 908 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 909 ((CName (Int.toString (i + 1)), loc),
adamc@195 910 c)) ctuple),
adamc@195 911 loc), loc)
adamc@195 912 end)
adamc@18 913
adamc@1 914 kcolon : DCOLON (Explicit)
adamc@1 915 | TCOLON (Implicit)
adamc@1 916
adamc@239 917 cargs : carg (carg)
adamc@239 918 | cargl (cargl)
adamc@239 919
adamc@239 920 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 921 | cargp cargl (cargp o cargl)
adamc@239 922
adamc@240 923 cargl2 : (fn x => x)
adamc@240 924 | cargp cargl2 (cargp o cargl2)
adamc@240 925
adamc@241 926 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 927 let
adamc@239 928 val loc = s (SYMBOLleft, kindright)
adamc@239 929 in
adamc@239 930 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 931 (KArrow (kind, k), loc))
adamc@239 932 end)
adamc@329 933 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 934 let
adamc@329 935 val loc = s (UNDERleft, kindright)
adamc@329 936 in
adamc@329 937 ((CAbs ("_", SOME kind, c), loc),
adamc@329 938 (KArrow (kind, k), loc))
adamc@329 939 end)
adam@1302 940 | SYMBOL DCOLONWILD (fn (c, k) =>
adam@1302 941 let
adam@1302 942 val loc = s (SYMBOLleft, DCOLONWILDright)
adam@1302 943 val kind = (KWild, loc)
adam@1302 944 in
adam@1302 945 ((CAbs (SYMBOL, NONE, c), loc),
adam@1302 946 (KArrow (kind, k), loc))
adam@1302 947 end)
adam@1302 948 | UNDER DCOLONWILD (fn (c, k) =>
adam@1302 949 let
adam@1302 950 val loc = s (UNDERleft, DCOLONWILDright)
adam@1302 951 val kind = (KWild, loc)
adam@1302 952 in
adam@1302 953 ((CAbs ("_", NONE, c), loc),
adam@1302 954 (KArrow (kind, k), loc))
adam@1302 955 end)
adamc@241 956 | cargp (cargp)
adamc@239 957
adamc@239 958 cargp : SYMBOL (fn (c, k) =>
adamc@239 959 let
adamc@239 960 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 961 in
adamc@239 962 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 963 (KArrow ((KWild, loc), k), loc))
adamc@239 964 end)
adamc@329 965 | UNDER (fn (c, k) =>
adamc@329 966 let
adamc@329 967 val loc = s (UNDERleft, UNDERright)
adamc@329 968 in
adamc@329 969 ((CAbs ("_", NONE, c), loc),
adamc@329 970 (KArrow ((KWild, loc), k), loc))
adamc@329 971 end)
adamc@1001 972 | LPAREN SYMBOL kopt ckl RPAREN (fn (c, k) =>
adamc@239 973 let
adamc@239 974 val loc = s (LPARENleft, RPARENright)
adamc@1001 975 val ckl = (SYMBOL, kopt) :: ckl
adamc@1001 976 val ckl = map (fn (x, ko) => (x, case ko of
adamc@1001 977 NONE => (KWild, loc)
adamc@1001 978 | SOME k => k)) ckl
adamc@239 979 in
adamc@1001 980 case ckl of
adamc@1001 981 [(x, k')] => ((CAbs (SYMBOL, SOME k', c), loc),
adamc@1001 982 (KArrow (k', k), loc))
adamc@1001 983 | _ =>
adamc@1001 984 let
adamc@1001 985 val k' = (KTuple (map #2 ckl), loc)
adamc@1001 986
adamc@1001 987 val c = foldr (fn ((x, k), c) =>
adamc@1001 988 (CAbs (x, SOME k, c), loc)) c ckl
adamc@1001 989 val v = (CVar ([], "$x"), loc)
adamc@1001 990 val c = ListUtil.foldli (fn (i, _, c) =>
adamc@1001 991 (CApp (c, (CProj (v, i + 1), loc)),
adamc@1001 992 loc)) c ckl
adamc@1001 993 in
adamc@1001 994 ((CAbs ("$x", SOME k', c), loc),
adamc@1001 995 (KArrow (k', k), loc))
adamc@1001 996 end
adamc@239 997 end)
adamc@628 998
adamc@1001 999 ckl : ([])
adamc@1001 1000 | COMMA SYMBOL kopt ckl ((SYMBOL, kopt) :: ckl)
adamc@239 1001
adamc@34 1002 path : SYMBOL ([], SYMBOL)
adamc@34 1003 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 1004
adamc@156 1005 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 1006 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 1007
adamc@59 1008 mpath : CSYMBOL ([CSYMBOL])
adamc@59 1009 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 1010
adamc@1 1011 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 1012 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 1013 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 1014 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 1015 s (LBRACEleft, RBRACEright))
adamc@1 1016 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 1017 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 1018 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 1019
adamc@34 1020 | path (CVar path, s (pathleft, pathright))
adamc@207 1021 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 1022 s (pathleft, INTright))
adamc@18 1023 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 1024 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 1025 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 1026 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 1027
adamc@207 1028 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 1029 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 1030
adamc@196 1031 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 1032 | capps STAR ctuple (capps :: ctuple)
adamc@195 1033
adamc@1 1034 rcon : ([])
adamc@1 1035 | ident EQ cexp ([(ident, cexp)])
adamc@1 1036 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 1037
adamc@83 1038 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 1039 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 1040
adamc@1 1041 rcone : ([])
adamc@1 1042 | ident COLON cexp ([(ident, cexp)])
adamc@1 1043 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 1044
adamc@1 1045 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 1046 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 1047 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 1048
adamc@8 1049 eapps : eterm (eterm)
adamc@8 1050 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 1051 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 1052 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 1053
adamc@8 1054 eexp : eapps (eapps)
adamc@241 1055 | FN eargs DARROW eexp (let
adamc@93 1056 val loc = s (FNleft, eexpright)
adamc@93 1057 in
adamc@241 1058 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 1059 end)
adamc@623 1060 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 1061 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 1062 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 1063 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 1064 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 1065 | IF eexp THEN eexp ELSE eexp (let
adamc@190 1066 val loc = s (IFleft, eexp3right)
adamc@190 1067 in
adamc@190 1068 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 1069 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 1070 end)
adamc@434 1071 | bind SEMI eexp (let
adamc@434 1072 val loc = s (bindleft, eexpright)
adamc@434 1073 val (v, to, e1) = bind
adamc@403 1074 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 1075 val e = (EApp (e, e1), loc)
adamc@243 1076 in
adamc@434 1077 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 1078 end)
adamc@256 1079 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 1080 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 1081 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 1082 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 1083 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@1116 1084 | eapps STAR eexp (native_op ("times", eapps, eexp, s (eappsleft, eexpright)))
adamc@964 1085 | eexp DIVIDE eexp (native_op ("divide", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 1086 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 1087
adamc@391 1088 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 1089 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 1090 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 1091 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 1092
adamc@842 1093 | eexp ANDALSO eexp (let
adamc@842 1094 val loc = s (eexp1left, eexp2right)
adamc@842 1095 in
adamc@842 1096 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842 1097 eexp2),
adamc@842 1098 ((PCon (["Basis"], "False", NONE), loc),
adamc@842 1099 (EVar (["Basis"], "False", Infer), loc))]), loc)
adamc@842 1100 end)
adamc@842 1101 | eexp ORELSE eexp (let
adamc@842 1102 val loc = s (eexp1left, eexp2right)
adamc@842 1103 in
adamc@842 1104 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842 1105 (EVar (["Basis"], "True", Infer), loc)),
adamc@842 1106 ((PCon (["Basis"], "False", NONE), loc),
adamc@842 1107 eexp2)]), loc)
adamc@842 1108 end)
adamc@842 1109
adamc@445 1110 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 1111
adamc@674 1112 | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674 1113
adamc@794 1114 | eapps DCOLON eexp (let
adamc@794 1115 val loc = s (eappsleft, eexpright)
adamc@762 1116 in
adamc@762 1117 (EApp ((EVar (["Basis"], "Cons", Infer), loc),
adamc@762 1118 (ERecord [((CName "1", loc),
adamc@794 1119 eapps),
adamc@762 1120 ((CName "2", loc),
adamc@762 1121 eexp)], loc)), loc)
adamc@762 1122 end)
adamc@762 1123
adamc@434 1124 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 1125 | eapps (let
adamc@434 1126 val loc = s (eappsleft, eappsright)
adamc@434 1127 in
adamc@434 1128 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 1129 end)
adamc@434 1130
adamc@241 1131 eargs : earg (earg)
adamc@241 1132 | eargl (eargl)
adamc@241 1133
adamc@241 1134 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 1135 | eargp eargl (eargp o eargl)
adamc@241 1136
adamc@242 1137 eargl2 : (fn x => x)
adamc@242 1138 | eargp eargl2 (eargp o eargl2)
adamc@242 1139
adamc@822 1140 earg : patS (fn (e, t) =>
adamc@241 1141 let
adamc@822 1142 val loc = s (patSleft, patSright)
adamc@822 1143 val pt = patType loc patS
adamc@822 1144
adamc@822 1145 val e' = case #1 patS of
adamc@822 1146 PVar x => (EAbs (x, NONE, e), loc)
adamc@823 1147 | PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822 1148 | _ => (EAbs ("$x", SOME pt,
adamc@822 1149 (ECase ((EVar ([], "$x", DontInfer),
adamc@822 1150 loc),
adamc@822 1151 [(patS, e)]), loc)), loc)
adamc@241 1152 in
adamc@822 1153 (e', (TFun (pt, t), loc))
adamc@241 1154 end)
adamc@822 1155 | earga (earga)
adamc@822 1156
adamc@822 1157 eargp : pterm (fn (e, t) =>
adamc@241 1158 let
adamc@822 1159 val loc = s (ptermleft, ptermright)
adamc@822 1160 val pt = patType loc pterm
adamc@822 1161
adamc@822 1162 val e' = case #1 pterm of
adamc@822 1163 PVar x => (EAbs (x, NONE, e), loc)
adamc@823 1164 | PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822 1165 | _ => (EAbs ("$x", SOME pt,
adamc@822 1166 (ECase ((EVar ([], "$x", DontInfer),
adamc@822 1167 loc),
adamc@822 1168 [(pterm, e)]), loc)), loc)
adamc@241 1169 in
adamc@822 1170 (e', (TFun (pt, t), loc))
adamc@241 1171 end)
adamc@822 1172 | earga (earga)
adamc@241 1173
adamc@822 1174 earga : LBRACK SYMBOL RBRACK (fn (e, t) =>
adamc@241 1175 let
adamc@822 1176 val loc = s (LBRACKleft, RBRACKright)
adamc@822 1177 val kind = (KWild, loc)
adamc@822 1178 in
adamc@822 1179 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adamc@822 1180 (TCFun (Implicit, SYMBOL, kind, t), loc))
adamc@822 1181 end)
adam@1302 1182 | LBRACK SYMBOL DCOLONWILD RBRACK (fn (e, t) =>
adam@1302 1183 let
adam@1302 1184 val loc = s (LBRACKleft, RBRACKright)
adam@1302 1185 val kind = (KWild, loc)
adam@1302 1186 in
adam@1302 1187 ((ECAbs (Explicit, SYMBOL, kind, e), loc),
adam@1302 1188 (TCFun (Explicit, SYMBOL, kind, t), loc))
adam@1302 1189 end)
adamc@822 1190 | LBRACK SYMBOL kcolon kind RBRACK(fn (e, t) =>
adamc@822 1191 let
adamc@822 1192 val loc = s (LBRACKleft, RBRACKright)
adamc@241 1193 in
adamc@241 1194 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 1195 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 1196 end)
adam@1306 1197 | LBRACK SYMBOL TCOLONWILD RBRACK (fn (e, t) =>
adam@1306 1198 let
adam@1306 1199 val loc = s (LBRACKleft, RBRACKright)
adam@1306 1200 val kind = (KWild, loc)
adam@1306 1201 in
adam@1306 1202 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adam@1306 1203 (TCFun (Implicit, SYMBOL, kind, t), loc))
adam@1306 1204 end)
adamc@478 1205 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 1206 let
adamc@356 1207 val loc = s (LBRACKleft, RBRACKright)
adamc@356 1208 in
adamc@478 1209 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1210 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 1211 end)
adamc@822 1212 | LBRACK CSYMBOL RBRACK (fn (e, t) =>
adamc@623 1213 let
adamc@623 1214 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 1215 in
adamc@623 1216 ((EKAbs (CSYMBOL, e), loc),
adamc@623 1217 (TKFun (CSYMBOL, t), loc))
adamc@623 1218 end)
adamc@241 1219
adamc@8 1220 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 1221 | LPAREN etuple RPAREN (let
adamc@195 1222 val loc = s (LPARENleft, RPARENright)
adamc@195 1223 in
adamc@195 1224 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 1225 ((CName (Int.toString (i + 1)), loc),
adamc@195 1226 e)) etuple), loc)
adamc@195 1227 end)
adamc@8 1228
adamc@403 1229 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 1230 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 1231 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 1232 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 1233 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 1234 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 1235 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 1236 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 1237
adamc@14 1238 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 1239 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 1240 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821 1241 | CHAR (EPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@14 1242
adamc@200 1243 | path DOT idents (let
adamc@200 1244 val loc = s (pathleft, identsright)
adamc@200 1245 in
adamc@200 1246 foldl (fn (ident, e) =>
adamc@200 1247 (EField (e, ident), loc))
adamc@403 1248 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 1249 end)
adamc@910 1250 | LPAREN eexp RPAREN DOT idents (let
adamc@910 1251 val loc = s (LPARENleft, identsright)
adamc@910 1252 in
adamc@910 1253 foldl (fn (ident, e) =>
adamc@910 1254 (EField (e, ident), loc))
adamc@910 1255 eexp idents
adamc@910 1256 end)
adamc@403 1257 | AT path DOT idents (let
adamc@403 1258 val loc = s (ATleft, identsright)
adamc@403 1259 in
adamc@403 1260 foldl (fn (ident, e) =>
adamc@403 1261 (EField (e, ident), loc))
adamc@403 1262 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 1263 end)
adamc@403 1264 | AT AT path DOT idents (let
adamc@403 1265 val loc = s (AT1left, identsright)
adamc@403 1266 in
adamc@403 1267 foldl (fn (ident, e) =>
adamc@403 1268 (EField (e, ident), loc))
adamc@403 1269 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 1270 end)
adamc@71 1271
adamc@360 1272 | XML_BEGIN xml XML_END (let
adamc@360 1273 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1274 in
adamc@360 1275 if XML_BEGIN = "xml" then
adamc@360 1276 ()
adamc@360 1277 else
adamc@360 1278 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 1279 xml
adamc@360 1280 end)
adamc@360 1281 | XML_BEGIN XML_END (let
adamc@360 1282 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1283 in
adamc@360 1284 if XML_BEGIN = "xml" then
adamc@360 1285 ()
adamc@360 1286 else
adamc@360 1287 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1288 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1289 (EPrim (Prim.String ""), loc)),
adamc@360 1290 loc)
adamc@360 1291 end)
adamc@360 1292 | XML_BEGIN_END (let
adamc@360 1293 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 1294 in
adamc@360 1295 if XML_BEGIN_END = "xml" then
adamc@360 1296 ()
adamc@360 1297 else
adamc@360 1298 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1299 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1300 (EPrim (Prim.String ""), loc)),
adamc@360 1301 loc)
adamc@360 1302 end)
adamc@302 1303
adamc@204 1304 | LPAREN query RPAREN (query)
adamc@300 1305 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 1306 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@1070 1307 | LPAREN FROM tables RPAREN (#2 tables)
adamc@1071 1308 | LPAREN SELECT1 query1 RPAREN (query1)
adamc@302 1309
adamc@302 1310 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 1311 (let
adamc@302 1312 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 1313
adamc@403 1314 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 1315 val e = (EApp (e, texp), loc)
adamc@302 1316 in
adamc@302 1317 if length fields <> length sqlexps then
adam@1360 1318 ErrorMsg.errorAt loc ("Length mismatch in INSERT field specification ("
adam@1360 1319 ^ Int.toString (length fields)
adam@1360 1320 ^ " vs. " ^ Int.toString (length sqlexps) ^ ")")
adamc@302 1321 else
adamc@302 1322 ();
adamc@302 1323 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 1324 end)
adamc@310 1325 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 1326 (let
adamc@303 1327 val loc = s (LPARENleft, RPARENright)
adamc@303 1328
adamc@403 1329 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 1330 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@306 1331 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 1332 val e = (EApp (e, texp), loc)
adamc@303 1333 in
adamc@303 1334 (EApp (e, sqlexp), loc)
adamc@303 1335 end)
adamc@310 1336 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 1337 (let
adamc@304 1338 val loc = s (LPARENleft, RPARENright)
adamc@304 1339
adamc@403 1340 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 1341 val e = (EApp (e, texp), loc)
adamc@304 1342 in
adamc@304 1343 (EApp (e, sqlexp), loc)
adamc@304 1344 end)
adamc@302 1345
adamc@211 1346 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 1347
adamc@446 1348 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 1349
adamc@762 1350 | LBRACK RBRACK (EVar (["Basis"], "Nil", Infer), s (LBRACKleft, RBRACKright))
adamc@762 1351
adamc@446 1352 edecls : ([])
adamc@446 1353 | edecl edecls (edecl :: edecls)
adamc@446 1354
adamc@825 1355 edecl : VAL pat EQ eexp ((EDVal (pat, eexp), s (VALleft, eexpright)))
adamc@446 1356 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 1357 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 1358
adamc@310 1359 enterDml : (inDml := true)
adamc@310 1360 leaveDml : (inDml := false)
adamc@310 1361
adamc@403 1362 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 1363 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 1364
adamc@302 1365 fields : fident ([fident])
adamc@302 1366 | fident COMMA fields (fident :: fields)
adamc@302 1367
adamc@302 1368 sqlexps: sqlexp ([sqlexp])
adamc@302 1369 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1370
adamc@303 1371 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1372 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1373
adamc@200 1374 idents : ident ([ident])
adamc@200 1375 | ident DOT idents (ident :: idents)
adamc@200 1376
adamc@195 1377 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1378 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1379
adamc@170 1380 branch : pat DARROW eexp (pat, eexp)
adamc@170 1381
adamc@170 1382 branchs: ([])
adamc@170 1383 | BAR branch branchs (branch :: branchs)
adamc@170 1384
adamc@822 1385 patS : pterm (pterm)
adamc@822 1386 | pterm DCOLON patS (let
adamc@822 1387 val loc = s (ptermleft, patSright)
adamc@762 1388 in
adamc@762 1389 (PCon (["Basis"], "Cons", SOME (PRecord ([("1", pterm),
adamc@822 1390 ("2", patS)], false), loc)),
adamc@762 1391 loc)
adamc@762 1392 end)
adamc@822 1393 | patS COLON cexp (PAnnot (patS, cexp), s (patSleft, cexpright))
adamc@822 1394
adamc@822 1395 pat : patS (patS)
adamc@822 1396 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1397
adamc@170 1398 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1399 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1400 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1401 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adam@1420 1402 | MINUS INT (PPrim (Prim.Int (~INT)), s (MINUSleft, INTright))
adamc@173 1403 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821 1404 | CHAR (PPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@170 1405 | LPAREN pat RPAREN (pat)
adamc@174 1406 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1407 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1408 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1409 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1410 false),
adamc@195 1411 s (LPARENleft, RPARENright))
adamc@762 1412 | LBRACK RBRACK (PCon (["Basis"], "Nil", NONE), s (LBRACKleft, RBRACKright))
adamc@174 1413
adamc@175 1414 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1415 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1416 | DOTDOTDOT ([], true)
adamc@175 1417 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1418 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1419
adamc@195 1420 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1421 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1422
adamc@12 1423 rexp : ([])
adamc@12 1424 | ident EQ eexp ([(ident, eexp)])
adamc@12 1425 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1426
adamc@141 1427 xml : xmlOne xml (let
adamc@141 1428 val pos = s (xmlOneleft, xmlright)
adamc@141 1429 in
adamc@720 1430 (EApp ((EApp (
adamc@720 1431 (EVar (["Basis"], "join", Infer), pos),
adamc@720 1432 xmlOne), pos),
adamc@720 1433 xml), pos)
adamc@141 1434 end)
adamc@141 1435 | xmlOne (xmlOne)
adamc@91 1436
adamc@1045 1437 xmlOpt : xml (xml)
adamc@1045 1438 | (EApp ((EVar (["Basis"], "cdata", Infer), dummy),
adamc@1045 1439 (EPrim (Prim.String ""), dummy)),
adamc@1045 1440 dummy)
adamc@1045 1441
adamc@403 1442 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1443 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1444 s (NOTAGSleft, NOTAGSright))
adamc@141 1445 | tag DIVIDE GT (let
adamc@141 1446 val pos = s (tagleft, GTright)
adamc@710 1447
adamc@710 1448 val cdata =
adamc@756 1449 if #1 (#1 tag) = "submit" orelse #1 (#1 tag) = "dyn" then
adamc@710 1450 let
adamc@710 1451 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710 1452 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710 1453 in
adamc@710 1454 (ECApp (e, (CRecord [], pos)), pos)
adamc@710 1455 end
adamc@710 1456 else
adamc@710 1457 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710 1458
adamc@710 1459 val cdata = (EApp (cdata,
adamc@710 1460 (EPrim (Prim.String ""), pos)),
adamc@710 1461 pos)
adamc@141 1462 in
adam@1643 1463 (EApp (#4 tag, cdata), pos)
adamc@141 1464 end)
adamc@141 1465
adamc@1045 1466 | tag GT xmlOpt END_TAG (let
adam@1563 1467 fun tagOut s =
adam@1563 1468 case s of
adam@1563 1469 "tabl" => "table"
adam@1563 1470 | _ => s
adam@1563 1471
adamc@141 1472 val pos = s (tagleft, GTright)
adamc@325 1473 val et = tagIn END_TAG
adamc@141 1474 in
adamc@756 1475 if #1 (#1 tag) = et then
adamc@361 1476 if et = "form" then
adam@1412 1477 let
adam@1412 1478 val e = (EVar (["Basis"], "form", Infer), pos)
adam@1412 1479 val e = (EApp (e, case #2 tag of
adam@1412 1480 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1412 1481 | SOME c => (EApp ((EVar (["Basis"], "Some", Infer), pos), c), pos)), pos)
adam@1412 1482 in
adam@1651 1483 case #3 tag of
adam@1651 1484 NONE => ()
adam@1651 1485 | SOME _ => ErrorMsg.errorAt pos "<form> does not support 'dynClass' attribute";
adam@1412 1486 (EApp (e, xmlOpt), pos)
adam@1412 1487 end
adamc@1093 1488 else if et = "subform" orelse et = "subforms" then
adamc@1093 1489 (EApp (#2 (#1 tag),
adamc@1045 1490 xmlOpt), pos)
adamc@758 1491 else if et = "entry" then
adamc@758 1492 (EApp ((EVar (["Basis"], "entry", Infer), pos),
adamc@1045 1493 xmlOpt), pos)
adamc@141 1494 else
adam@1643 1495 (EApp (#4 tag, xmlOpt), pos)
adamc@141 1496 else
adamc@325 1497 (if ErrorMsg.anyErrors () then
adamc@325 1498 ()
adamc@325 1499 else
adamc@1189 1500 ErrorMsg.errorAt pos ("Begin tag <"
adam@1563 1501 ^ tagOut (#1 (#1 tag))
adamc@1189 1502 ^ "> and end tag </"
adam@1563 1503 ^ tagOut et
adamc@1189 1504 ^ "> don't match.");
adamc@623 1505 (EWild, pos))
adamc@141 1506 end)
adamc@141 1507 | LBRACE eexp RBRACE (eexp)
adamc@391 1508 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1509 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1510 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1511 in
adamc@391 1512 (EApp (e, eexp), loc)
adamc@391 1513 end)
adamc@92 1514
adamc@141 1515 tag : tagHead attrs (let
adamc@141 1516 val pos = s (tagHeadleft, attrsright)
adamc@721 1517
adamc@721 1518 val e = (EVar (["Basis"], "tag", Infer), pos)
adamc@721 1519 val eo = case #1 attrs of
adamc@721 1520 NONE => (EVar (["Basis"], "None", Infer), pos)
adamc@721 1521 | SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adamc@721 1522 e), pos)
adamc@721 1523 val e = (EApp (e, eo), pos)
adam@1643 1524 val eo = case #2 attrs of
adam@1643 1525 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1643 1526 | SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adam@1643 1527 e), pos)
adam@1643 1528 val e = (EApp (e, eo), pos)
adam@1643 1529 val e = (EApp (e, (ERecord (#3 attrs), pos)), pos)
adamc@721 1530 val e = (EApp (e, (EApp (#2 tagHead,
adamc@721 1531 (ERecord [], pos)), pos)), pos)
adamc@141 1532 in
adam@1643 1533 (tagHead, #1 attrs, #2 attrs, e)
adamc@141 1534 end)
adamc@141 1535
adamc@141 1536 tagHead: BEGIN_TAG (let
adamc@325 1537 val bt = tagIn BEGIN_TAG
adamc@141 1538 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1539 in
adamc@325 1540 (bt,
adamc@473 1541 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1542 end)
adamc@141 1543 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1544
adam@1643 1545 attrs : (NONE, NONE, [])
adamc@721 1546 | attr attrs (let
adamc@721 1547 val loc = s (attrleft, attrsright)
adamc@721 1548 in
adamc@721 1549 case attr of
adamc@721 1550 Class e =>
adamc@721 1551 (case #1 attrs of
adamc@721 1552 NONE => ()
adamc@721 1553 | SOME _ => ErrorMsg.errorAt loc "Multiple classes specified for tag";
adam@1643 1554 (SOME e, #2 attrs, #3 attrs))
adam@1643 1555 | DynClass e =>
adam@1643 1556 (case #2 attrs of
adam@1643 1557 NONE => ()
adam@1643 1558 | SOME _ => ErrorMsg.errorAt loc "Multiple dynamic classes specified for tag";
adam@1643 1559 (#1 attrs, SOME e, #3 attrs))
adamc@721 1560 | Normal xe =>
adam@1643 1561 (#1 attrs, #2 attrs, xe :: #3 attrs)
adamc@721 1562 end)
adamc@104 1563
adam@1643 1564 attr : SYMBOL EQ attrv (case SYMBOL of
adam@1643 1565 "class" => Class attrv
adam@1643 1566 | "dynClass" => DynClass attrv
adam@1643 1567 | _ =>
adamc@724 1568 let
adamc@724 1569 val sym =
adamc@724 1570 case SYMBOL of
adamc@724 1571 "type" => "Typ"
adamc@724 1572 | x => capitalize x
adamc@724 1573 in
adamc@724 1574 Normal ((CName sym, s (SYMBOLleft, SYMBOLright)),
adamc@724 1575 if (sym = "Href" orelse sym = "Src")
adamc@724 1576 andalso (case #1 attrv of
adamc@724 1577 EPrim _ => true
adamc@724 1578 | _ => false) then
adamc@724 1579 let
adamc@724 1580 val loc = s (attrvleft, attrvright)
adamc@724 1581 in
adamc@724 1582 (EApp ((EVar (["Basis"], "bless", Infer), loc),
adamc@724 1583 attrv), loc)
adamc@724 1584 end
adamc@724 1585 else
adamc@724 1586 attrv)
adamc@724 1587 end)
adamc@204 1588
adamc@104 1589 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1590 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1591 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1592 | LBRACE eexp RBRACE (eexp)
adamc@226 1593
adamc@232 1594 query : query1 obopt lopt ofopt (let
adamc@229 1595 val loc = s (query1left, query1right)
adamc@230 1596
adamc@230 1597 val re = (ERecord [((CName "Rows", loc),
adamc@230 1598 query1),
adamc@230 1599 ((CName "OrderBy", loc),
adamc@231 1600 obopt),
adamc@231 1601 ((CName "Limit", loc),
adamc@232 1602 lopt),
adamc@232 1603 ((CName "Offset", loc),
adamc@232 1604 ofopt)], loc)
adamc@229 1605 in
adamc@403 1606 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1607 end)
adamc@993 1608
adamc@993 1609 dopt : (EVar (["Basis"], "False", Infer), dummy)
adamc@993 1610 | DISTINCT (EVar (["Basis"], "True", Infer),
adamc@993 1611 s (DISTINCTleft, DISTINCTright))
adamc@993 1612
adamc@993 1613 query1 : SELECT dopt select FROM tables wopt gopt hopt
adamc@209 1614 (let
adamc@204 1615 val loc = s (SELECTleft, tablesright)
adamc@207 1616
adamc@1070 1617 val (empties, sel, exps) =
adamc@207 1618 case select of
adamc@1070 1619 Star => ([],
adamc@1070 1620 map (fn nm =>
adamc@233 1621 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1622 loc),
adamc@233 1623 (CRecord [], loc)],
adamc@748 1624 loc))) (#1 tables),
adamc@233 1625 [])
adamc@207 1626 | Items sis =>
adamc@207 1627 let
adam@1627 1628 val tabs = map (fn nm => (nm, Unknown)) (#1 tables)
adamc@1194 1629 val (_, tabs, exps) = foldl (amend_select loc)
adamc@1194 1630 (1, tabs, []) sis
adam@1627 1631 val empties = List.mapPartial (fn (nm, c) =>
adam@1627 1632 case c of
adam@1627 1633 Unknown => SOME nm
adam@1627 1634 | Selective (CRecord [], _) => SOME nm
adam@1627 1635 | _ => NONE) tabs
adamc@207 1636 in
adamc@1070 1637 (empties,
adamc@1070 1638 map (fn (nm, c) => (nm,
adam@1627 1639 case c of
adam@1627 1640 Everything =>
adam@1627 1641 (CTuple [(CWild (KRecord (KType, loc), loc), loc),
adam@1627 1642 (CRecord [], loc)], loc)
adam@1627 1643 | _ =>
adam@1627 1644 let
adam@1627 1645 val c = case c of
adam@1627 1646 Selective c => c
adam@1627 1647 | _ => (CRecord [], loc)
adam@1627 1648 in
adam@1627 1649 (CTuple [c,
adam@1627 1650 (CWild (KRecord (KType, loc), loc),
adam@1627 1651 loc)], loc)
adam@1627 1652 end)) tabs,
adamc@233 1653 exps)
adamc@207 1654 end
adamc@207 1655
adamc@207 1656 val sel = (CRecord sel, loc)
adamc@207 1657
adamc@226 1658 val grp = case gopt of
adamc@403 1659 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1660 Infer), loc),
adamc@226 1661 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1662 loc), loc)), loc)
adamc@226 1663 | SOME gis =>
adamc@226 1664 let
adamc@748 1665 val tabs = map (fn nm =>
adamc@748 1666 (nm, (CRecord [], loc))) (#1 tables)
adamc@226 1667 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1668
adamc@226 1669 val tabs = map (fn (nm, c) =>
adamc@226 1670 (nm,
adamc@226 1671 (CTuple [c,
adamc@226 1672 (CWild (KRecord (KType, loc),
adamc@226 1673 loc),
adamc@226 1674 loc)], loc))) tabs
adamc@226 1675 in
adamc@403 1676 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1677 (CRecord tabs, loc)), loc)
adamc@226 1678 end
adamc@226 1679
adamc@403 1680 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@1070 1681 val e = (ECApp (e, (CRecord (map (fn nm => (nm, (CUnit, loc))) empties),
adamc@1070 1682 loc)), loc)
adamc@993 1683 val re = (ERecord [((CName "Distinct", loc),
adamc@993 1684 dopt),
adamc@993 1685 ((CName "From", loc),
adamc@748 1686 #2 tables),
adamc@209 1687 ((CName "Where", loc),
adamc@223 1688 wopt),
adamc@224 1689 ((CName "GroupBy", loc),
adamc@226 1690 grp),
adamc@224 1691 ((CName "Having", loc),
adamc@224 1692 hopt),
adamc@223 1693 ((CName "SelectFields", loc),
adamc@403 1694 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1695 sel), loc)),
adamc@233 1696 ((CName "SelectExps", loc),
adamc@233 1697 (ERecord exps, loc))], loc)
adamc@223 1698
adamc@209 1699 val e = (EApp (e, re), loc)
adamc@204 1700 in
adamc@207 1701 e
adamc@204 1702 end)
adam@1427 1703 | query1 UNION query1 (sql_relop ("union", false, query11, query12, s (query11left, query12right)))
adam@1427 1704 | query1 INTERSECT query1 (sql_relop ("intersect", false, query11, query12, s (query11left, query12right)))
adam@1427 1705 | query1 EXCEPT query1 (sql_relop ("except", false, query11, query12, s (query11left, query12right)))
adam@1427 1706 | query1 UNION ALL query1 (sql_relop ("union", true, query11, query12, s (query11left, query12right)))
adam@1427 1707 | query1 INTERSECT ALL query1 (sql_relop ("intersect", true, query11, query12, s (query11left, query12right)))
adam@1427 1708 | query1 EXCEPT ALL query1 (sql_relop ("except", true, query11, query12, s (query11left, query12right)))
adamc@1070 1709 | LBRACE LBRACE LBRACE eexp RBRACE RBRACE RBRACE (eexp)
adamc@204 1710
adamc@749 1711 tables : fitem (fitem)
adamc@749 1712 | fitem COMMA tables (let
adamc@749 1713 val loc = s (fitemleft, tablesright)
adamc@748 1714
adamc@748 1715 val e = (EVar (["Basis"], "sql_from_comma", Infer), loc)
adamc@749 1716 val e = (EApp (e, #2 fitem), loc)
adamc@748 1717 in
adamc@749 1718 (#1 fitem @ #1 tables,
adamc@748 1719 (EApp (e, #2 tables), loc))
adamc@748 1720 end)
adamc@204 1721
adamc@749 1722 fitem : table' ([#1 table'], #2 table')
adamc@1265 1723 | LBRACE LBRACE eexp RBRACE RBRACE (tnamesOf eexp, eexp)
adamc@749 1724 | fitem JOIN fitem ON sqlexp (let
adamc@749 1725 val loc = s (fitem1left, sqlexpright)
adamc@749 1726
adamc@749 1727 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749 1728 val e = (EApp (e, #2 fitem1), loc)
adamc@749 1729 val e = (EApp (e, #2 fitem2), loc)
adamc@749 1730 in
adamc@749 1731 (#1 fitem1 @ #1 fitem2,
adamc@749 1732 (EApp (e, sqlexp), loc))
adamc@749 1733 end)
adamc@749 1734 | fitem INNER JOIN fitem ON sqlexp (let
adamc@749 1735 val loc = s (fitem1left, sqlexpright)
adamc@749 1736
adamc@749 1737 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749 1738 val e = (EApp (e, #2 fitem1), loc)
adamc@749 1739 val e = (EApp (e, #2 fitem2), loc)
adamc@749 1740 in
adamc@749 1741 (#1 fitem1 @ #1 fitem2,
adamc@749 1742 (EApp (e, sqlexp), loc))
adamc@749 1743 end)
adamc@749 1744 | fitem CROSS JOIN fitem (let
adamc@749 1745 val loc = s (fitem1left, fitem2right)
adamc@749 1746
adamc@749 1747 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749 1748 val e = (EApp (e, #2 fitem1), loc)
adamc@749 1749 val e = (EApp (e, #2 fitem2), loc)
adamc@749 1750 val tru = sql_inject (EVar (["Basis"], "True", Infer), loc)
adamc@749 1751 in
adamc@749 1752 (#1 fitem1 @ #1 fitem2,
adamc@749 1753 (EApp (e, tru), loc))
adamc@749 1754 end)
adamc@750 1755 | fitem LEFT JOIN fitem ON sqlexp (let
adamc@750 1756 val loc = s (fitem1left, sqlexpright)
adamc@750 1757
adamc@750 1758 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@750 1759 val e = (EApp (e, #2 fitem1), loc)
adamc@750 1760 val e = (EApp (e, #2 fitem2), loc)
adamc@750 1761 in
adamc@750 1762 (#1 fitem1 @ #1 fitem2,
adamc@750 1763 (EApp (e, sqlexp), loc))
adamc@750 1764 end)
adamc@751 1765 | fitem LEFT OUTER JOIN fitem ON sqlexp (let
adamc@751 1766 val loc = s (fitem1left, sqlexpright)
adamc@751 1767
adamc@751 1768 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@751 1769 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1770 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1771 in
adamc@751 1772 (#1 fitem1 @ #1 fitem2,
adamc@751 1773 (EApp (e, sqlexp), loc))
adamc@751 1774 end)
adamc@751 1775 | fitem RIGHT JOIN fitem ON sqlexp (let
adamc@751 1776 val loc = s (fitem1left, sqlexpright)
adamc@751 1777
adamc@751 1778 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751 1779 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1780 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1781 in
adamc@751 1782 (#1 fitem1 @ #1 fitem2,
adamc@751 1783 (EApp (e, sqlexp), loc))
adamc@751 1784 end)
adamc@751 1785 | fitem RIGHT OUTER JOIN fitem ON sqlexp (let
adamc@751 1786 val loc = s (fitem1left, sqlexpright)
adamc@751 1787
adamc@751 1788 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751 1789 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1790 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1791 in
adamc@751 1792 (#1 fitem1 @ #1 fitem2,
adamc@751 1793 (EApp (e, sqlexp), loc))
adamc@751 1794 end)
adamc@751 1795 | fitem FULL JOIN fitem ON sqlexp (let
adamc@751 1796 val loc = s (fitem1left, sqlexpright)
adamc@751 1797
adamc@751 1798 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751 1799 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1800 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1801 in
adamc@751 1802 (#1 fitem1 @ #1 fitem2,
adamc@751 1803 (EApp (e, sqlexp), loc))
adamc@751 1804 end)
adamc@751 1805 | fitem FULL OUTER JOIN fitem ON sqlexp (let
adamc@751 1806 val loc = s (fitem1left, sqlexpright)
adamc@751 1807
adamc@751 1808 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751 1809 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1810 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1811 in
adamc@751 1812 (#1 fitem1 @ #1 fitem2,
adamc@751 1813 (EApp (e, sqlexp), loc))
adamc@751 1814 end)
adamc@1192 1815 | LPAREN query RPAREN AS tname (let
adamc@1192 1816 val loc = s (LPARENleft, RPARENright)
adamc@1192 1817
adamc@1192 1818 val e = (EVar (["Basis"], "sql_from_query", Infer), loc)
adamc@1192 1819 val e = (ECApp (e, tname), loc)
adamc@1192 1820 in
adamc@1192 1821 ([tname], (EApp (e, query), loc))
adamc@1192 1822 end)
adamc@749 1823
adamc@204 1824 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1825 | LBRACE cexp RBRACE (cexp)
adamc@204 1826
adamc@243 1827 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1828 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1829 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1830 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1831
adamc@748 1832 table' : table (let
adamc@748 1833 val loc = s (tableleft, tableright)
adamc@748 1834 val e = (EVar (["Basis"], "sql_from_table", Infer), loc)
adamc@748 1835 val e = (ECApp (e, #1 table), loc)
adamc@748 1836 in
adamc@748 1837 (#1 table, (EApp (e, #2 table), loc))
adamc@748 1838 end)
adamc@748 1839
adamc@243 1840 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1841 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1842 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1843
adamc@207 1844 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1845 | LBRACE cexp RBRACE (cexp)
adamc@207 1846
adamc@207 1847 seli : tident DOT fident (Field (tident, fident))
adamc@1194 1848 | sqlexp (Exp (NONE, sqlexp))
adamc@1194 1849 | sqlexp AS fident (Exp (SOME fident, sqlexp))
adamc@341 1850 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adam@1627 1851 | tident DOT STAR (StarFields tident)
adamc@207 1852
adamc@207 1853 selis : seli ([seli])
adamc@207 1854 | seli COMMA selis (seli :: selis)
adamc@207 1855
adamc@207 1856 select : STAR (Star)
adamc@207 1857 | selis (Items selis)
adamc@209 1858
adamc@403 1859 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1860 s (TRUEleft, TRUEright)))
adamc@403 1861 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1862 s (FALSEleft, FALSEright)))
adamc@209 1863
adamc@222 1864 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1865 s (INTleft, INTright)))
adamc@222 1866 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1867 s (FLOATleft, FLOATright)))
adamc@229 1868 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1869 s (STRINGleft, STRINGright)))
adamc@441 1870 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1871 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1872
adamc@221 1873 | tident DOT fident (let
adamc@221 1874 val loc = s (tidentleft, fidentright)
adamc@403 1875 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1876 val e = (ECApp (e, tident), loc)
adamc@221 1877 in
adamc@221 1878 (ECApp (e, fident), loc)
adamc@221 1879 end)
adamc@234 1880 | CSYMBOL (let
adamc@234 1881 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1882 in
adamc@310 1883 if !inDml then
adamc@310 1884 let
adamc@403 1885 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1886 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1887 in
adamc@310 1888 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1889 end
adamc@310 1890 else
adamc@310 1891 let
adamc@403 1892 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1893 in
adamc@310 1894 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1895 end
adamc@310 1896 end)
adamc@221 1897
adamc@471 1898 | LBRACE eexp RBRACE (eexp)
adamc@470 1899
adamc@559 1900 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1901 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1902 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1903 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1904 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1905 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1906
adamc@559 1907 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1908 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1909 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1910 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1911 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1912
adamc@220 1913 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1914 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1915
kkallio@1607 1916 | sqlexp LIKE sqlexp (sql_binary ("like", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
kkallio@1607 1917
adamc@220 1918 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1919 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1920
adamc@470 1921 | sqlexp IS NULL (let
adamc@470 1922 val loc = s (sqlexpleft, NULLright)
adamc@470 1923 in
adamc@470 1924 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1925 sqlexp), loc)
adamc@470 1926 end)
adamc@470 1927
kkallio@1572 1928 | CIF sqlexp CTHEN sqlexp CELSE sqlexp (let
kkallio@1572 1929 val loc = s (CIFleft, sqlexp3right)
kkallio@1572 1930 val e = (EVar (["Basis"], "sql_if_then_else", Infer), loc)
kkallio@1572 1931 in
kkallio@1572 1932 (EApp ((EApp ((EApp (e, sqlexp1), loc), sqlexp2), loc), sqlexp3), loc)
kkallio@1572 1933 end)
kkallio@1572 1934
adamc@471 1935 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1936 s (LBRACEleft, RBRACEright)))
adamc@220 1937 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1938
adamc@467 1939 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1940 s (NULLleft, NULLright))))
adamc@467 1941
adamc@235 1942 | COUNT LPAREN STAR RPAREN (let
adamc@235 1943 val loc = s (COUNTleft, RPARENright)
adamc@235 1944 in
adamc@544 1945 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1946 end)
adamc@1187 1947 | COUNT LPAREN sqlexp RPAREN (let
adamc@1187 1948 val loc = s (COUNTleft, RPARENright)
adamc@1187 1949
adamc@1187 1950 val e = (EVar (["Basis"], "sql_count_col", Infer), loc)
adamc@1187 1951 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@1187 1952 e), loc)
adamc@1187 1953 in
adamc@1187 1954 (EApp (e, sqlexp), loc)
adamc@1187 1955 end)
adamc@236 1956 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1957 val loc = s (sqlaggleft, RPARENright)
adamc@236 1958
adamc@403 1959 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1960 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1961 e), loc)
adamc@236 1962 in
adamc@236 1963 (EApp (e, sqlexp), loc)
adamc@236 1964 end)
adam@1602 1965 | COALESCE LPAREN sqlexp COMMA sqlexp RPAREN
adam@1602 1966 (let
adam@1602 1967 val loc = s (COALESCEright, sqlexp2right)
adam@1602 1968 val e = (EVar (["Basis"], "sql_coalesce", Infer), loc)
adam@1602 1969 val e = (EApp (e, sqlexp1), loc)
adam@1602 1970 in
adam@1602 1971 (EApp (e, sqlexp2), loc)
adam@1602 1972 end)
adamc@746 1973 | fname LPAREN sqlexp RPAREN (let
adamc@746 1974 val loc = s (fnameleft, RPARENright)
adamc@746 1975
adamc@746 1976 val e = (EVar (["Basis"], "sql_ufunc", Infer), loc)
adamc@746 1977 val e = (EApp (e, fname), loc)
adamc@746 1978 in
adamc@746 1979 (EApp (e, sqlexp), loc)
adamc@746 1980 end)
adamc@1191 1981 | LPAREN query RPAREN (let
adamc@1191 1982 val loc = s (LPARENleft, RPARENright)
adamc@1191 1983
adamc@1191 1984 val e = (EVar (["Basis"], "sql_subquery", Infer), loc)
adamc@1191 1985 in
adamc@1191 1986 (EApp (e, query), loc)
adamc@1191 1987 end)
adamc@746 1988
adamc@746 1989 fname : SYMBOL (EVar (["Basis"], "sql_" ^ SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@746 1990 | LBRACE eexp RBRACE (eexp)
adamc@235 1991
adamc@403 1992 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1993 dummy))
adamc@209 1994 | CWHERE sqlexp (sqlexp)
adamc@226 1995
adamc@226 1996 groupi : tident DOT fident (GField (tident, fident))
adam@1425 1997 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (GFields (tident, cexp))
adamc@226 1998
adamc@226 1999 groupis: groupi ([groupi])
adamc@226 2000 | groupi COMMA groupis (groupi :: groupis)
adamc@226 2001
adamc@226 2002 gopt : (NONE)
adamc@226 2003 | GROUP BY groupis (SOME groupis)
adamc@227 2004
adamc@403 2005 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 2006 dummy))
adamc@227 2007 | HAVING sqlexp (sqlexp)
adamc@230 2008
adamc@403 2009 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 2010 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 2011 dummy)
adamc@230 2012 | ORDER BY obexps (obexps)
adamc@230 2013
adamc@268 2014 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 2015
adamc@268 2016 obexps : obitem (let
adamc@268 2017 val loc = s (obitemleft, obitemright)
adamc@230 2018
adamc@403 2019 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 2020 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 2021 loc)
adamc@403 2022 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 2023 #1 obitem), loc)
adamc@268 2024 val e = (EApp (e, #2 obitem), loc)
adamc@230 2025 in
adamc@230 2026 (EApp (e, e'), loc)
adamc@230 2027 end)
adamc@268 2028 | obitem COMMA obexps (let
adamc@268 2029 val loc = s (obitemleft, obexpsright)
adamc@230 2030
adamc@403 2031 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 2032 #1 obitem), loc)
adamc@268 2033 val e = (EApp (e, #2 obitem), loc)
adamc@230 2034 in
adamc@230 2035 (EApp (e, obexps), loc)
adamc@230 2036 end)
adamc@231 2037
adamc@403 2038 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 2039 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 2040 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adam@1543 2041 | LBRACE eexp RBRACE (eexp)
adamc@268 2042
adamc@403 2043 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 2044 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 2045 | LIMIT sqlint (let
adamc@231 2046 val loc = s (LIMITleft, sqlintright)
adamc@231 2047 in
adamc@403 2048 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 2049 end)
adamc@231 2050
adamc@403 2051 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 2052 | OFFSET sqlint (let
adamc@232 2053 val loc = s (OFFSETleft, sqlintright)
adamc@232 2054 in
adamc@403 2055 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 2056 end)
adamc@232 2057
adamc@231 2058 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 2059 | LBRACE eexp RBRACE (eexp)
adamc@236 2060
adamc@236 2061 sqlagg : AVG ("avg")
adamc@236 2062 | SUM ("sum")
adamc@236 2063 | MIN ("min")
adamc@236 2064 | MAX ("max")