Mercurial > urweb

annotate src/urweb.grm @ 1189:b8cfb05c091d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More informative tag mismatch error message
author Adam Chlipala <adamc@hcoop.net>
date Tue, 16 Mar 2010 16:17:02 -0400
parents ad9829c3c12c
children 61c3139eab12
rev   line source
adamc@695 1 (* Copyright (c) 2008-2009, 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@233 45 | Exp of con * exp
adamc@341 46 | Fields of con * con
adamc@207 47
adamc@207 48 datatype select =
adamc@207 49 Star
adamc@207 50 | Items of select_item list
adamc@207 51
adamc@226 52 datatype group_item =
adamc@226 53 GField of con * con
adamc@226 54
adamc@207 55 fun eqTnames ((c1, _), (c2, _)) =
adamc@207 56 case (c1, c2) of
adamc@207 57 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207 58 | (CName x1, CName x2) => x1 = x2
adamc@207 59 | _ => false
adamc@207 60
adamc@233 61 fun amend_select loc (si, (tabs, exps)) =
adamc@233 62 case si of
adamc@233 63 Field (tx, fx) =>
adamc@233 64 let
adamc@233 65 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207 66
adamc@233 67 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233 68 if eqTnames (tx, tx') then
adamc@233 69 ((tx', (CConcat (c, c'), loc)), true)
adamc@233 70 else
adamc@233 71 ((tx', c'), found))
adamc@233 72 false tabs
adamc@233 73 in
adamc@233 74 if found then
adamc@233 75 ()
adamc@233 76 else
adamc@233 77 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@233 78
adamc@233 79 (tabs, exps)
adamc@233 80 end
adamc@341 81 | Fields (tx, fs) =>
adamc@341 82 let
adamc@341 83 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@341 84 if eqTnames (tx, tx') then
adamc@341 85 ((tx', (CConcat (fs, c'), loc)), true)
adamc@341 86 else
adamc@341 87 ((tx', c'), found))
adamc@341 88 false tabs
adamc@341 89 in
adamc@341 90 if found then
adamc@341 91 ()
adamc@341 92 else
adamc@341 93 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@341 94
adamc@341 95 (tabs, exps)
adamc@341 96 end
adamc@233 97 | Exp (c, e) => (tabs, (c, e) :: exps)
adamc@207 98
adamc@226 99 fun amend_group loc (gi, tabs) =
adamc@226 100 let
adamc@226 101 val (tx, c) = case gi of
adamc@226 102 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adamc@226 103
adamc@226 104 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226 105 if eqTnames (tx, tx') then
adamc@226 106 ((tx', (CConcat (c, c'), loc)), true)
adamc@226 107 else
adamc@226 108 ((tx', c'), found))
adamc@226 109 false tabs
adamc@226 110 in
adamc@226 111 if found then
adamc@226 112 ()
adamc@226 113 else
adamc@226 114 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226 115
adamc@226 116 tabs
adamc@226 117 end
adamc@226 118
adamc@403 119 fun sql_inject (v, loc) =
adamc@403 120 (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
adamc@209 121
adamc@220 122 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220 123 let
adamc@403 124 val e = (EVar (["Basis"], "sql_binary", Infer), loc)
adamc@403 125 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 126 val e = (EApp (e, sqlexp1), loc)
adamc@220 127 in
adamc@220 128 (EApp (e, sqlexp2), loc)
adamc@220 129 end
adamc@220 130
adamc@220 131 fun sql_unary (oper, sqlexp, loc) =
adamc@220 132 let
adamc@403 133 val e = (EVar (["Basis"], "sql_unary", Infer), loc)
adamc@403 134 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 135 in
adamc@220 136 (EApp (e, sqlexp), loc)
adamc@219 137 end
adamc@219 138
adamc@229 139 fun sql_relop (oper, sqlexp1, sqlexp2, loc) =
adamc@229 140 let
adamc@403 141 val e = (EVar (["Basis"], "sql_relop", Infer), loc)
adamc@403 142 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@229 143 val e = (EApp (e, sqlexp1), loc)
adamc@229 144 in
adamc@229 145 (EApp (e, sqlexp2), loc)
adamc@229 146 end
adamc@229 147
adamc@441 148 fun sql_nfunc (oper, loc) =
adamc@441 149 let
adamc@441 150 val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
adamc@441 151 in
adamc@441 152 (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@441 153 end
adamc@441 154
adamc@389 155 fun native_unop (oper, e1, loc) =
adamc@389 156 let
adamc@403 157 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@389 158 in
adamc@389 159 (EApp (e, e1), loc)
adamc@389 160 end
adamc@389 161
adamc@256 162 fun native_op (oper, e1, e2, loc) =
adamc@256 163 let
adamc@403 164 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@256 165 val e = (EApp (e, e1), loc)
adamc@256 166 in
adamc@256 167 (EApp (e, e2), loc)
adamc@256 168 end
adamc@256 169
adamc@310 170 val inDml = ref false
adamc@310 171
adamc@325 172 fun tagIn bt =
adamc@325 173 case bt of
adamc@325 174 "table" => "tabl"
adamc@325 175 | _ => bt
adamc@325 176
adamc@709 177 datatype prop_kind = Delete | Update
adamc@709 178
adamc@721 179 datatype attr = Class of exp | Normal of con * exp
adamc@721 180
adamc@822 181 fun patType loc (p : pat) =
adamc@822 182 case #1 p of
adamc@822 183 PAnnot (_, t) => t
adamc@822 184 | _ => (CWild (KType, loc), loc)
adamc@822 185
adamc@1 186 %%
adamc@244 187 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 188
adamc@1 189 %term
adamc@1 190 EOF
adamc@821 191 | STRING of string | INT of Int64.int | FLOAT of Real64.real | CHAR of char
adamc@1 192 | SYMBOL of string | CSYMBOL of string
adamc@1 193 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 194 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@403 195 | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
adamc@623 196 | CON | LTYPE | VAL | REC | AND | FUN | MAP | UNIT | KUNIT | CLASS
adamc@156 197 | DATATYPE | OF
adamc@7 198 | TYPE | NAME
adamc@629 199 | ARROW | LARROW | DARROW | STAR | SEMI | KARROW | DKARROW | BANG
adamc@674 200 | FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE | CARET
adamc@446 201 | LET | IN
adamc@1071 202 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL | SELECT1
adamc@754 203 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE | VIEW
adamc@1075 204 | COOKIE | STYLE | TASK
adamc@842 205 | CASE | IF | THEN | ELSE | ANDALSO | ORELSE
adamc@1 206
adamc@360 207 | XML_BEGIN of string | XML_END | XML_BEGIN_END of string
adamc@91 208 | NOTAGS of string
adamc@91 209 | BEGIN_TAG of string | END_TAG of string
adamc@91 210
adamc@993 211 | SELECT | DISTINCT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 212 | UNION | INTERSECT | EXCEPT
adamc@232 213 | LIMIT | OFFSET | ALL
adamc@220 214 | TRUE | FALSE | CAND | OR | NOT
adamc@236 215 | COUNT | AVG | SUM | MIN | MAX
adamc@268 216 | ASC | DESC
adamc@470 217 | INSERT | INTO | VALUES | UPDATE | SET | DELETE | NULL | IS
adamc@441 218 | CURRENT_TIMESTAMP
adamc@219 219 | NE | LT | LE | GT | GE
adamc@714 220 | CCONSTRAINT | UNIQUE | CHECK | PRIMARY | FOREIGN | KEY | ON | NO | ACTION | RESTRICT | CASCADE | REFERENCES
adamc@751 221 | JOIN | INNER | CROSS | OUTER | LEFT | RIGHT | FULL
adamc@204 222
adamc@30 223 %nonterm
adamc@1 224 file of decl list
adamc@1 225 | decls of decl list
adamc@325 226 | decl of decl list
adamc@123 227 | vali of string * con option * exp
adamc@123 228 | valis of (string * con option * exp) list
adamc@242 229 | copt of con option
adamc@1 230
adamc@191 231 | dargs of string list
adamc@156 232 | barOpt of unit
adamc@156 233 | dcons of (string * con option) list
adamc@805 234 | dtype of string * string list * (string * con option) list
adamc@805 235 | dtypes of (string * string list * (string * con option) list) list
adamc@156 236 | dcon of string * con option
adamc@156 237
adamc@707 238 | pkopt of exp
adamc@707 239 | commaOpt of unit
adamc@707 240
adamc@704 241 | cst of exp
adamc@704 242 | csts of exp
adamc@704 243 | cstopt of exp
adamc@704 244
adamc@1001 245 | ckl of (string * kind option) list
adamc@1001 246
adamc@709 247 | pmode of prop_kind * exp
adamc@709 248 | pkind of prop_kind
adamc@709 249 | prule of exp
adamc@709 250 | pmodes of (prop_kind * exp) list
adamc@709 251
adamc@30 252 | sgn of sgn
adamc@42 253 | sgntm of sgn
adamc@30 254 | sgi of sgn_item
adamc@30 255 | sgis of sgn_item list
adamc@30 256
adamc@30 257 | str of str
adamc@30 258
adamc@1 259 | kind of kind
adamc@207 260 | ktuple of kind list
adamc@1 261 | kcolon of explicitness
adamc@240 262 | kopt of kind option
adamc@1 263
adamc@34 264 | path of string list * string
adamc@156 265 | cpath of string list * string
adamc@34 266 | spath of str
adamc@59 267 | mpath of string list
adamc@34 268
adamc@1 269 | cexp of con
adamc@1 270 | capps of con
adamc@1 271 | cterm of con
adamc@195 272 | ctuple of con list
adamc@207 273 | ctuplev of con list
adamc@1 274 | ident of con
adamc@200 275 | idents of con list
adamc@1 276 | rcon of (con * con) list
adamc@83 277 | rconn of (con * con) list
adamc@1 278 | rcone of (con * con) list
adamc@239 279 | cargs of con * kind -> con * kind
adamc@239 280 | cargl of con * kind -> con * kind
adamc@240 281 | cargl2 of con * kind -> con * kind
adamc@239 282 | carg of con * kind -> con * kind
adamc@239 283 | cargp of con * kind -> con * kind
adamc@1 284
adamc@8 285 | eexp of exp
adamc@8 286 | eapps of exp
adamc@8 287 | eterm of exp
adamc@195 288 | etuple of exp list
adamc@12 289 | rexp of (con * exp) list
adamc@91 290 | xml of exp
adamc@91 291 | xmlOne of exp
adamc@1045 292 | xmlOpt of exp
adamc@756 293 | tag of (string * exp) * exp
adamc@141 294 | tagHead of string * exp
adamc@434 295 | bind of string * con option * exp
adamc@446 296 | edecl of edecl
adamc@446 297 | edecls of edecl list
adamc@8 298
adamc@241 299 | earg of exp * con -> exp * con
adamc@241 300 | eargp of exp * con -> exp * con
adamc@822 301 | earga of exp * con -> exp * con
adamc@241 302 | eargs of exp * con -> exp * con
adamc@241 303 | eargl of exp * con -> exp * con
adamc@242 304 | eargl2 of exp * con -> exp * con
adamc@241 305
adamc@170 306 | branch of pat * exp
adamc@170 307 | branchs of (pat * exp) list
adamc@170 308 | pat of pat
adamc@822 309 | patS of pat
adamc@170 310 | pterm of pat
adamc@174 311 | rpat of (string * pat) list * bool
adamc@195 312 | ptuple of pat list
adamc@170 313
adamc@721 314 | attrs of exp option * (con * exp) list
adamc@721 315 | attr of attr
adamc@104 316 | attrv of exp
adamc@104 317
adamc@204 318 | query of exp
adamc@226 319 | query1 of exp
adamc@993 320 | dopt of exp
adamc@748 321 | tables of con list * exp
adamc@749 322 | fitem of con list * exp
adamc@204 323 | tname of con
adamc@705 324 | tnameW of con * con
adamc@705 325 | tnames of (con * con) * (con * con) list
adamc@705 326 | tnames' of (con * con) * (con * con) list
adamc@204 327 | table of con * exp
adamc@748 328 | table' of con * exp
adamc@207 329 | tident of con
adamc@207 330 | fident of con
adamc@207 331 | seli of select_item
adamc@207 332 | selis of select_item list
adamc@207 333 | select of select
adamc@209 334 | sqlexp of exp
adamc@209 335 | wopt of exp
adamc@226 336 | groupi of group_item
adamc@226 337 | groupis of group_item list
adamc@226 338 | gopt of group_item list option
adamc@227 339 | hopt of exp
adamc@230 340 | obopt of exp
adamc@268 341 | obitem of exp * exp
adamc@230 342 | obexps of exp
adamc@268 343 | diropt of exp
adamc@231 344 | lopt of exp
adamc@232 345 | ofopt of exp
adamc@231 346 | sqlint of exp
adamc@236 347 | sqlagg of string
adamc@746 348 | fname of exp
adamc@207 349
adamc@302 350 | texp of exp
adamc@302 351 | fields of con list
adamc@302 352 | sqlexps of exp list
adamc@303 353 | fsets of (con * exp) list
adamc@310 354 | enterDml of unit
adamc@310 355 | leaveDml of unit
adamc@302 356
adamc@204 357
adamc@1 358 %verbose (* print summary of errors *)
adamc@1 359 %pos int (* positions *)
adamc@1 360 %start file
adamc@1 361 %pure
adamc@1 362 %eop EOF
adamc@1 363 %noshift EOF
adamc@1 364
adamc@244 365 %name Urweb
adamc@1 366
adamc@623 367 %right KARROW
adamc@623 368 %nonassoc DKARROW
adamc@243 369 %right SEMI
adamc@243 370 %nonassoc LARROW
adamc@195 371 %nonassoc IF THEN ELSE
adamc@843 372 %nonassoc DARROW
adamc@842 373 %left ANDALSO
adamc@842 374 %left ORELSE
adamc@1 375 %nonassoc COLON
adamc@6 376 %nonassoc DCOLON TCOLON
adamc@229 377 %left UNION INTERSECT EXCEPT
adamc@1 378 %right COMMA
adamc@751 379 %right JOIN INNER CROSS OUTER LEFT RIGHT FULL
adamc@220 380 %right OR
adamc@220 381 %right CAND
adamc@470 382 %nonassoc EQ NE LT LE GT GE IS
adamc@243 383 %right ARROW
adamc@837 384 %right CARET PLUSPLUS
adamc@837 385 %left MINUSMINUS MINUSMINUSMINUS
adamc@389 386 %left PLUS MINUS
adamc@389 387 %left STAR DIVIDE MOD
adamc@220 388 %left NOT
adamc@84 389 %nonassoc TWIDDLE
adamc@1 390 %nonassoc DOLLAR
adamc@1 391 %left DOT
adamc@221 392 %nonassoc LBRACE RBRACE
adamc@1 393
adamc@1 394 %%
adamc@1 395
adamc@1 396 file : decls (decls)
adamc@54 397 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 398 s (SIGleft, sgisright))])
adamc@1 399
adamc@1 400 decls : ([])
adamc@325 401 | decl decls (decl @ decls)
adamc@1 402
adamc@240 403 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 404 val loc = s (CONleft, cexpright)
adamc@240 405
adamc@240 406 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 407 val (c, k) = cargl2 (cexp, k)
adamc@240 408 in
adamc@325 409 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 410 end)
adamc@325 411 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 412 s (LTYPEleft, cexpright))])
adamc@805 413 | DATATYPE dtypes ([(DDatatype dtypes, s (DATATYPEleft, dtypesright))])
adamc@191 414 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 415 (case dargs of
adamc@325 416 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 417 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 418 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 419 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 420 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 421
adamc@325 422 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 423 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 424 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 425 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 426 ([(DStr (CSYMBOL1, NONE,
adamc@325 427 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 428 s (FUNCTORleft, strright))])
adamc@42 429 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 430 ([(DStr (CSYMBOL1, NONE,
adamc@325 431 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 432 s (FUNCTORleft, strright))])
adamc@325 433 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 434 | OPEN mpath (case mpath of
adamc@61 435 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 436 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 437 | OPEN mpath LPAREN str RPAREN (let
adamc@325 438 val loc = s (OPENleft, RPARENright)
adamc@325 439
adamc@325 440 val m = case mpath of
adamc@325 441 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 442 | m :: ms =>
adamc@325 443 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 444 (StrVar m, loc) ms
adamc@325 445 in
adamc@325 446 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 447 (DOpen ("anon", []), loc)]
adamc@325 448 end)
adamc@88 449 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 450 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 451 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 452 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 453 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@707 454 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
adamc@707 455 s (TABLEleft, cstoptright))])
adamc@338 456 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@754 457 | VIEW SYMBOL EQ query ([(DView (SYMBOL, query),
adamc@754 458 s (VIEWleft, queryright))])
adamc@754 459 | VIEW SYMBOL EQ LBRACE eexp RBRACE ([(DView (SYMBOL, eexp),
adamc@754 460 s (VIEWleft, RBRACEright))])
adamc@563 461 | CLASS SYMBOL EQ cexp (let
adamc@563 462 val loc = s (CLASSleft, cexpright)
adamc@563 463 in
adamc@563 464 [(DClass (SYMBOL, (KWild, loc), cexp), loc)]
adamc@563 465 end)
adamc@563 466 | CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
adamc@211 467 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 468 val loc = s (CLASSleft, cexpright)
adamc@563 469 val k = (KWild, loc)
adamc@211 470 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 471 in
adamc@563 472 [(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
adamc@563 473 end)
adamc@563 474 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 475 val loc = s (CLASSleft, cexpright)
adamc@563 476 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 477 in
adamc@563 478 [(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
adamc@211 479 end)
adamc@459 480 | COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@720 481 | STYLE SYMBOL ([(DStyle SYMBOL, s (STYLEleft, SYMBOLright))])
adamc@1075 482 | TASK eapps EQ eexp ([(DTask (eapps, eexp), s (TASKleft, eexpright))])
adamc@30 483
adamc@805 484 dtype : SYMBOL dargs EQ barOpt dcons (SYMBOL, dargs, dcons)
adamc@805 485
adamc@805 486 dtypes : dtype ([dtype])
adamc@805 487 | dtype AND dtypes (dtype :: dtypes)
adamc@805 488
adamc@240 489 kopt : (NONE)
adamc@240 490 | DCOLON kind (SOME kind)
adamc@240 491
adamc@191 492 dargs : ([])
adamc@191 493 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 494
adamc@156 495 barOpt : ()
adamc@156 496 | BAR ()
adamc@156 497
adamc@156 498 dcons : dcon ([dcon])
adamc@156 499 | dcon BAR dcons (dcon :: dcons)
adamc@156 500
adamc@156 501 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 502 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 503
adamc@242 504 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 505 val loc = s (SYMBOLleft, eexpright)
adamc@242 506 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 507
adamc@242 508 val (e, t) = eargl2 (eexp, t)
adamc@242 509 in
adamc@242 510 (SYMBOL, SOME t, e)
adamc@242 511 end)
adamc@242 512
adamc@242 513 copt : (NONE)
adamc@242 514 | COLON cexp (SOME cexp)
adamc@123 515
adamc@704 516 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704 517 | csts (csts)
adamc@704 518
adamc@704 519 csts : CCONSTRAINT tname cst (let
adamc@704 520 val loc = s (CCONSTRAINTleft, cstright)
adamc@704 521
adamc@704 522 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704 523 val e = (ECApp (e, tname), loc)
adamc@704 524 in
adamc@704 525 (EApp (e, cst), loc)
adamc@704 526 end)
adamc@704 527 | csts COMMA csts (let
adamc@704 528 val loc = s (csts1left, csts2right)
adamc@704 529
adamc@704 530 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704 531 val e = (EApp (e, csts1), loc)
adamc@704 532 in
adamc@704 533 (EApp (e, csts2), loc)
adamc@704 534 end)
adamc@704 535 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704 536
adamc@704 537 cst : UNIQUE tnames (let
adamc@704 538 val loc = s (UNIQUEleft, tnamesright)
adamc@704 539
adamc@704 540 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705 541 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705 542 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@704 543 in
adamc@1093 544 e
adamc@704 545 end)
adamc@709 546
adamc@714 547 | CHECK sqlexp (let
adamc@714 548 val loc = s (CHECKleft, sqlexpright)
adamc@714 549 in
adamc@714 550 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714 551 sqlexp), loc)
adamc@714 552 end)
adamc@714 553
adamc@709 554 | FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709 555 (let
adamc@709 556 val loc = s (FOREIGNleft, pmodesright)
adamc@709 557
adamc@709 558 val mat = ListPair.foldrEq
adamc@709 559 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709 560 let
adamc@709 561 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709 562 val e = (ECApp (e, nm1), loc)
adamc@709 563 val e = (ECApp (e, nm2), loc)
adamc@709 564 in
adamc@709 565 (EApp (e, mat), loc)
adamc@709 566 end)
adamc@709 567 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709 568 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adamc@709 569
adamc@709 570 fun findMode mode =
adamc@709 571 let
adamc@709 572 fun findMode' pmodes =
adamc@709 573 case pmodes of
adamc@709 574 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709 575 | (mode', rule) :: pmodes' =>
adamc@709 576 if mode' = mode then
adamc@709 577 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709 578 pmodes' then
adamc@709 579 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709 580 else
adamc@709 581 ();
adamc@709 582 rule)
adamc@709 583 else
adamc@709 584 findMode' pmodes'
adamc@709 585 in
adamc@709 586 findMode' pmodes
adamc@709 587 end
adamc@709 588
adamc@709 589 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709 590 val e = (EApp (e, mat), loc)
adamc@709 591 val e = (EApp (e, texp), loc)
adamc@709 592 in
adamc@709 593 (EApp (e, (ERecord [((CName "OnDelete", loc),
adamc@709 594 findMode Delete),
adamc@709 595 ((CName "OnUpdate", loc),
adamc@709 596 findMode Update)], loc)), loc)
adamc@709 597 end)
adamc@709 598
adamc@704 599 | LBRACE eexp RBRACE (eexp)
adamc@704 600
adamc@704 601 tnameW : tname (let
adamc@704 602 val loc = s (tnameleft, tnameright)
adamc@704 603 in
adamc@704 604 (tname, (CWild (KType, loc), loc))
adamc@704 605 end)
adamc@704 606
adamc@705 607 tnames : tnameW (tnameW, [])
adamc@705 608 | LPAREN tnames' RPAREN (tnames')
adamc@704 609
adamc@705 610 tnames': tnameW (tnameW, [])
adamc@705 611 | tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704 612
adamc@709 613 pmode : ON pkind prule (pkind, prule)
adamc@709 614
adamc@709 615 pkind : DELETE (Delete)
adamc@709 616 | UPDATE (Update)
adamc@709 617
adamc@709 618 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709 619 | RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709 620 | CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709 621 | SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709 622
adamc@709 623 pmodes : ([])
adamc@709 624 | pmode pmodes (pmode :: pmodes)
adamc@709 625
adamc@707 626 commaOpt: ()
adamc@707 627 | COMMA ()
adamc@707 628
adamc@993 629 pkopt : (EVar (["Basis"], "no_primary_key", Infer), dummy)
adamc@707 630 | PRIMARY KEY tnames (let
adamc@707 631 val loc = s (PRIMARYleft, tnamesright)
adamc@707 632
adamc@1093 633 val e = (EVar (["Basis"], "primary_key", TypesOnly), loc)
adamc@707 634 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707 635 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707 636 val e = (EDisjointApp e, loc)
adamc@707 637 val e = (EDisjointApp e, loc)
adamc@707 638
adamc@707 639 val witness = map (fn (c, _) =>
adamc@707 640 (c, (EWild, loc)))
adamc@707 641 (#1 tnames :: #2 tnames)
adamc@707 642 val witness = (ERecord witness, loc)
adamc@707 643 in
adamc@707 644 (EApp (e, witness), loc)
adamc@707 645 end)
adamc@707 646
adamc@123 647 valis : vali ([vali])
adamc@123 648 | vali AND valis (vali :: valis)
adamc@123 649
adamc@42 650 sgn : sgntm (sgntm)
adamc@40 651 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 652 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 653
adamc@42 654 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 655 | mpath (case mpath of
adamc@61 656 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 657 | [x] => SgnVar x
adamc@59 658 | m :: ms => SgnProj (m,
adamc@59 659 List.take (ms, length ms - 1),
adamc@59 660 List.nth (ms, length ms - 1)),
adamc@59 661 s (mpathleft, mpathright))
adamc@42 662 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 663 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 664 | LPAREN sgn RPAREN (sgn)
adamc@42 665
adamc@706 666 sgi : CON SYMBOL DCOLON kind ((SgiConAbs (SYMBOL, kind), s (CONleft, kindright)))
adamc@706 667 | LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706 668 s (LTYPEleft, SYMBOLright)))
adamc@706 669 | CON SYMBOL EQ cexp ((SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)))
adamc@706 670 | CON SYMBOL DCOLON kind EQ cexp ((SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)))
adamc@706 671 | LTYPE SYMBOL EQ cexp ((SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@706 672 s (LTYPEleft, cexpright)))
adamc@805 673 | DATATYPE dtypes ((SgiDatatype dtypes, s (DATATYPEleft, dtypesright)))
adamc@191 674 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 675 (case dargs of
adamc@191 676 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 677 | _ => raise Fail "Arguments specified for imported datatype")
adamc@706 678 | VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30 679
adamc@706 680 | STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706 681 | SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42 682 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706 683 ((SgiStr (CSYMBOL1,
adamc@706 684 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706 685 s (FUNCTORleft, sgn2right)))
adamc@706 686 | INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706 687 | CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707 688 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707 689 val loc = s (TABLEleft, ctermright)
adamc@707 690 in
adamc@707 691 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707 692 end)
adamc@460 693 | SEQUENCE SYMBOL (let
adamc@460 694 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 695 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 696 in
adamc@460 697 (SgiVal (SYMBOL, t), loc)
adamc@460 698 end)
adamc@754 699 | VIEW SYMBOL COLON cexp (let
adamc@754 700 val loc = s (VIEWleft, cexpright)
adamc@754 701 val t = (CVar (["Basis"], "sql_view"), loc)
adamc@1076 702 val t = (CApp (t, entable cexp), loc)
adamc@754 703 in
adamc@754 704 (SgiVal (SYMBOL, t), loc)
adamc@754 705 end)
adamc@563 706 | CLASS SYMBOL (let
adamc@563 707 val loc = s (CLASSleft, SYMBOLright)
adamc@711 708 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563 709 in
adamc@711 710 (SgiClassAbs (SYMBOL, k), loc)
adamc@563 711 end)
adamc@563 712 | CLASS SYMBOL DCOLON kind (let
adamc@563 713 val loc = s (CLASSleft, kindright)
adamc@563 714 in
adamc@563 715 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 716 end)
adamc@563 717 | CLASS SYMBOL EQ cexp (let
adamc@563 718 val loc = s (CLASSleft, cexpright)
adamc@563 719 in
adamc@563 720 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 721 end)
adamc@563 722 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 723 val loc = s (CLASSleft, cexpright)
adamc@563 724 in
adamc@563 725 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 726 end)
adamc@211 727 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 728 val loc = s (CLASSleft, cexpright)
adamc@563 729 val k = (KWild, loc)
adamc@211 730 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 731 in
adamc@563 732 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 733 end)
adamc@563 734 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 735 val loc = s (CLASSleft, cexpright)
adamc@563 736 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 737 in
adamc@563 738 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 739 end)
adamc@460 740 | COOKIE SYMBOL COLON cexp (let
adamc@460 741 val loc = s (COOKIEleft, cexpright)
adamc@460 742 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 743 entable cexp), loc)
adamc@460 744 in
adamc@460 745 (SgiVal (SYMBOL, t), loc)
adamc@460 746 end)
adamc@720 747 | STYLE SYMBOL (let
adamc@720 748 val loc = s (STYLEleft, SYMBOLright)
adamc@720 749 val t = (CVar (["Basis"], "css_class"), loc)
adamc@718 750 in
adamc@718 751 (SgiVal (SYMBOL, t), loc)
adamc@718 752 end)
adamc@30 753
adamc@30 754 sgis : ([])
adamc@30 755 | sgi sgis (sgi :: sgis)
adamc@30 756
adamc@30 757 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 758 | spath (spath)
adamc@40 759 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 760 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 761 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 762 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 763 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 764
adamc@34 765 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 766 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 767
adamc@1 768 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 769 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 770 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 771 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 772 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 773 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 774 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 775 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 776 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 777 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 778
adamc@207 779 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 780 | kind STAR ktuple (kind :: ktuple)
adamc@1 781
adamc@1 782 capps : cterm (cterm)
adamc@1 783 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 784
adamc@1 785 cexp : capps (capps)
adamc@1 786 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 787 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 788 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 789
adamc@1 790 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 791
adamc@239 792 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 793 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 794 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 795
adamc@8 796 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 797
adamc@18 798 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 799 | ctuple (let
adamc@195 800 val loc = s (ctupleleft, ctupleright)
adamc@195 801 in
adamc@195 802 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 803 ((CName (Int.toString (i + 1)), loc),
adamc@195 804 c)) ctuple),
adamc@195 805 loc), loc)
adamc@195 806 end)
adamc@18 807
adamc@1 808 kcolon : DCOLON (Explicit)
adamc@1 809 | TCOLON (Implicit)
adamc@1 810
adamc@239 811 cargs : carg (carg)
adamc@239 812 | cargl (cargl)
adamc@239 813
adamc@239 814 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 815 | cargp cargl (cargp o cargl)
adamc@239 816
adamc@240 817 cargl2 : (fn x => x)
adamc@240 818 | cargp cargl2 (cargp o cargl2)
adamc@240 819
adamc@241 820 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 821 let
adamc@239 822 val loc = s (SYMBOLleft, kindright)
adamc@239 823 in
adamc@239 824 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 825 (KArrow (kind, k), loc))
adamc@239 826 end)
adamc@329 827 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 828 let
adamc@329 829 val loc = s (UNDERleft, kindright)
adamc@329 830 in
adamc@329 831 ((CAbs ("_", SOME kind, c), loc),
adamc@329 832 (KArrow (kind, k), loc))
adamc@329 833 end)
adamc@241 834 | cargp (cargp)
adamc@239 835
adamc@239 836 cargp : SYMBOL (fn (c, k) =>
adamc@239 837 let
adamc@239 838 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 839 in
adamc@239 840 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 841 (KArrow ((KWild, loc), k), loc))
adamc@239 842 end)
adamc@329 843 | UNDER (fn (c, k) =>
adamc@329 844 let
adamc@329 845 val loc = s (UNDERleft, UNDERright)
adamc@329 846 in
adamc@329 847 ((CAbs ("_", NONE, c), loc),
adamc@329 848 (KArrow ((KWild, loc), k), loc))
adamc@329 849 end)
adamc@1001 850 | LPAREN SYMBOL kopt ckl RPAREN (fn (c, k) =>
adamc@239 851 let
adamc@239 852 val loc = s (LPARENleft, RPARENright)
adamc@1001 853 val ckl = (SYMBOL, kopt) :: ckl
adamc@1001 854 val ckl = map (fn (x, ko) => (x, case ko of
adamc@1001 855 NONE => (KWild, loc)
adamc@1001 856 | SOME k => k)) ckl
adamc@239 857 in
adamc@1001 858 case ckl of
adamc@1001 859 [(x, k')] => ((CAbs (SYMBOL, SOME k', c), loc),
adamc@1001 860 (KArrow (k', k), loc))
adamc@1001 861 | _ =>
adamc@1001 862 let
adamc@1001 863 val k' = (KTuple (map #2 ckl), loc)
adamc@1001 864
adamc@1001 865 val c = foldr (fn ((x, k), c) =>
adamc@1001 866 (CAbs (x, SOME k, c), loc)) c ckl
adamc@1001 867 val v = (CVar ([], "$x"), loc)
adamc@1001 868 val c = ListUtil.foldli (fn (i, _, c) =>
adamc@1001 869 (CApp (c, (CProj (v, i + 1), loc)),
adamc@1001 870 loc)) c ckl
adamc@1001 871 in
adamc@1001 872 ((CAbs ("$x", SOME k', c), loc),
adamc@1001 873 (KArrow (k', k), loc))
adamc@1001 874 end
adamc@239 875 end)
adamc@628 876
adamc@1001 877 ckl : ([])
adamc@1001 878 | COMMA SYMBOL kopt ckl ((SYMBOL, kopt) :: ckl)
adamc@239 879
adamc@34 880 path : SYMBOL ([], SYMBOL)
adamc@34 881 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 882
adamc@156 883 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 884 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 885
adamc@59 886 mpath : CSYMBOL ([CSYMBOL])
adamc@59 887 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 888
adamc@1 889 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 890 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 891 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 892 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 893 s (LBRACEleft, RBRACEright))
adamc@1 894 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 895 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 896 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 897
adamc@34 898 | path (CVar path, s (pathleft, pathright))
adamc@207 899 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 900 s (pathleft, INTright))
adamc@18 901 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 902 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 903 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 904 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 905
adamc@207 906 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 907 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 908
adamc@196 909 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 910 | capps STAR ctuple (capps :: ctuple)
adamc@195 911
adamc@1 912 rcon : ([])
adamc@1 913 | ident EQ cexp ([(ident, cexp)])
adamc@1 914 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 915
adamc@83 916 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 917 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 918
adamc@1 919 rcone : ([])
adamc@1 920 | ident COLON cexp ([(ident, cexp)])
adamc@1 921 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 922
adamc@1 923 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 924 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 925 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 926
adamc@8 927 eapps : eterm (eterm)
adamc@8 928 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 929 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 930 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 931
adamc@8 932 eexp : eapps (eapps)
adamc@241 933 | FN eargs DARROW eexp (let
adamc@93 934 val loc = s (FNleft, eexpright)
adamc@93 935 in
adamc@241 936 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 937 end)
adamc@623 938 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 939 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 940 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 941 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 942 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 943 | IF eexp THEN eexp ELSE eexp (let
adamc@190 944 val loc = s (IFleft, eexp3right)
adamc@190 945 in
adamc@190 946 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 947 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 948 end)
adamc@434 949 | bind SEMI eexp (let
adamc@434 950 val loc = s (bindleft, eexpright)
adamc@434 951 val (v, to, e1) = bind
adamc@403 952 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 953 val e = (EApp (e, e1), loc)
adamc@243 954 in
adamc@434 955 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 956 end)
adamc@256 957 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 958 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 959 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 960 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 961 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@1116 962 | eapps STAR eexp (native_op ("times", eapps, eexp, s (eappsleft, eexpright)))
adamc@964 963 | eexp DIVIDE eexp (native_op ("divide", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 964 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 965
adamc@391 966 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 967 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 968 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 969 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 970
adamc@842 971 | eexp ANDALSO eexp (let
adamc@842 972 val loc = s (eexp1left, eexp2right)
adamc@842 973 in
adamc@842 974 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842 975 eexp2),
adamc@842 976 ((PCon (["Basis"], "False", NONE), loc),
adamc@842 977 (EVar (["Basis"], "False", Infer), loc))]), loc)
adamc@842 978 end)
adamc@842 979 | eexp ORELSE eexp (let
adamc@842 980 val loc = s (eexp1left, eexp2right)
adamc@842 981 in
adamc@842 982 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842 983 (EVar (["Basis"], "True", Infer), loc)),
adamc@842 984 ((PCon (["Basis"], "False", NONE), loc),
adamc@842 985 eexp2)]), loc)
adamc@842 986 end)
adamc@842 987
adamc@445 988 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 989
adamc@674 990 | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674 991
adamc@794 992 | eapps DCOLON eexp (let
adamc@794 993 val loc = s (eappsleft, eexpright)
adamc@762 994 in
adamc@762 995 (EApp ((EVar (["Basis"], "Cons", Infer), loc),
adamc@762 996 (ERecord [((CName "1", loc),
adamc@794 997 eapps),
adamc@762 998 ((CName "2", loc),
adamc@762 999 eexp)], loc)), loc)
adamc@762 1000 end)
adamc@762 1001
adamc@434 1002 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 1003 | eapps (let
adamc@434 1004 val loc = s (eappsleft, eappsright)
adamc@434 1005 in
adamc@434 1006 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 1007 end)
adamc@434 1008
adamc@241 1009 eargs : earg (earg)
adamc@241 1010 | eargl (eargl)
adamc@241 1011
adamc@241 1012 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 1013 | eargp eargl (eargp o eargl)
adamc@241 1014
adamc@242 1015 eargl2 : (fn x => x)
adamc@242 1016 | eargp eargl2 (eargp o eargl2)
adamc@242 1017
adamc@822 1018 earg : patS (fn (e, t) =>
adamc@241 1019 let
adamc@822 1020 val loc = s (patSleft, patSright)
adamc@822 1021 val pt = patType loc patS
adamc@822 1022
adamc@822 1023 val e' = case #1 patS of
adamc@822 1024 PVar x => (EAbs (x, NONE, e), loc)
adamc@823 1025 | PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822 1026 | _ => (EAbs ("$x", SOME pt,
adamc@822 1027 (ECase ((EVar ([], "$x", DontInfer),
adamc@822 1028 loc),
adamc@822 1029 [(patS, e)]), loc)), loc)
adamc@241 1030 in
adamc@822 1031 (e', (TFun (pt, t), loc))
adamc@241 1032 end)
adamc@822 1033 | earga (earga)
adamc@822 1034
adamc@822 1035 eargp : pterm (fn (e, t) =>
adamc@241 1036 let
adamc@822 1037 val loc = s (ptermleft, ptermright)
adamc@822 1038 val pt = patType loc pterm
adamc@822 1039
adamc@822 1040 val e' = case #1 pterm of
adamc@822 1041 PVar x => (EAbs (x, NONE, e), loc)
adamc@823 1042 | PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822 1043 | _ => (EAbs ("$x", SOME pt,
adamc@822 1044 (ECase ((EVar ([], "$x", DontInfer),
adamc@822 1045 loc),
adamc@822 1046 [(pterm, e)]), loc)), loc)
adamc@241 1047 in
adamc@822 1048 (e', (TFun (pt, t), loc))
adamc@241 1049 end)
adamc@822 1050 | earga (earga)
adamc@241 1051
adamc@822 1052 earga : LBRACK SYMBOL RBRACK (fn (e, t) =>
adamc@241 1053 let
adamc@822 1054 val loc = s (LBRACKleft, RBRACKright)
adamc@822 1055 val kind = (KWild, loc)
adamc@822 1056 in
adamc@822 1057 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adamc@822 1058 (TCFun (Implicit, SYMBOL, kind, t), loc))
adamc@822 1059 end)
adamc@822 1060 | LBRACK SYMBOL kcolon kind RBRACK(fn (e, t) =>
adamc@822 1061 let
adamc@822 1062 val loc = s (LBRACKleft, RBRACKright)
adamc@241 1063 in
adamc@241 1064 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 1065 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 1066 end)
adamc@478 1067 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 1068 let
adamc@356 1069 val loc = s (LBRACKleft, RBRACKright)
adamc@356 1070 in
adamc@478 1071 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1072 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 1073 end)
adamc@822 1074 | LBRACK CSYMBOL RBRACK (fn (e, t) =>
adamc@623 1075 let
adamc@623 1076 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 1077 in
adamc@623 1078 ((EKAbs (CSYMBOL, e), loc),
adamc@623 1079 (TKFun (CSYMBOL, t), loc))
adamc@623 1080 end)
adamc@241 1081
adamc@8 1082 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 1083 | LPAREN etuple RPAREN (let
adamc@195 1084 val loc = s (LPARENleft, RPARENright)
adamc@195 1085 in
adamc@195 1086 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 1087 ((CName (Int.toString (i + 1)), loc),
adamc@195 1088 e)) etuple), loc)
adamc@195 1089 end)
adamc@8 1090
adamc@403 1091 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 1092 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 1093 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 1094 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 1095 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 1096 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 1097 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 1098 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 1099
adamc@14 1100 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 1101 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 1102 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821 1103 | CHAR (EPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@14 1104
adamc@200 1105 | path DOT idents (let
adamc@200 1106 val loc = s (pathleft, identsright)
adamc@200 1107 in
adamc@200 1108 foldl (fn (ident, e) =>
adamc@200 1109 (EField (e, ident), loc))
adamc@403 1110 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 1111 end)
adamc@910 1112 | LPAREN eexp RPAREN DOT idents (let
adamc@910 1113 val loc = s (LPARENleft, identsright)
adamc@910 1114 in
adamc@910 1115 foldl (fn (ident, e) =>
adamc@910 1116 (EField (e, ident), loc))
adamc@910 1117 eexp idents
adamc@910 1118 end)
adamc@403 1119 | AT path DOT idents (let
adamc@403 1120 val loc = s (ATleft, identsright)
adamc@403 1121 in
adamc@403 1122 foldl (fn (ident, e) =>
adamc@403 1123 (EField (e, ident), loc))
adamc@403 1124 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 1125 end)
adamc@403 1126 | AT AT path DOT idents (let
adamc@403 1127 val loc = s (AT1left, identsright)
adamc@403 1128 in
adamc@403 1129 foldl (fn (ident, e) =>
adamc@403 1130 (EField (e, ident), loc))
adamc@403 1131 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 1132 end)
adamc@71 1133
adamc@360 1134 | XML_BEGIN xml XML_END (let
adamc@360 1135 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1136 in
adamc@360 1137 if XML_BEGIN = "xml" then
adamc@360 1138 ()
adamc@360 1139 else
adamc@360 1140 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 1141 xml
adamc@360 1142 end)
adamc@360 1143 | XML_BEGIN XML_END (let
adamc@360 1144 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1145 in
adamc@360 1146 if XML_BEGIN = "xml" then
adamc@360 1147 ()
adamc@360 1148 else
adamc@360 1149 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1150 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1151 (EPrim (Prim.String ""), loc)),
adamc@360 1152 loc)
adamc@360 1153 end)
adamc@360 1154 | XML_BEGIN_END (let
adamc@360 1155 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 1156 in
adamc@360 1157 if XML_BEGIN_END = "xml" then
adamc@360 1158 ()
adamc@360 1159 else
adamc@360 1160 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1161 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1162 (EPrim (Prim.String ""), loc)),
adamc@360 1163 loc)
adamc@360 1164 end)
adamc@302 1165
adamc@204 1166 | LPAREN query RPAREN (query)
adamc@300 1167 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 1168 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@1070 1169 | LPAREN FROM tables RPAREN (#2 tables)
adamc@1071 1170 | LPAREN SELECT1 query1 RPAREN (query1)
adamc@302 1171
adamc@302 1172 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 1173 (let
adamc@302 1174 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 1175
adamc@403 1176 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 1177 val e = (EApp (e, texp), loc)
adamc@302 1178 in
adamc@302 1179 if length fields <> length sqlexps then
adamc@302 1180 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 1181 else
adamc@302 1182 ();
adamc@302 1183 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 1184 end)
adamc@310 1185 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 1186 (let
adamc@303 1187 val loc = s (LPARENleft, RPARENright)
adamc@303 1188
adamc@403 1189 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 1190 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@306 1191 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 1192 val e = (EApp (e, texp), loc)
adamc@303 1193 in
adamc@303 1194 (EApp (e, sqlexp), loc)
adamc@303 1195 end)
adamc@310 1196 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 1197 (let
adamc@304 1198 val loc = s (LPARENleft, RPARENright)
adamc@304 1199
adamc@403 1200 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 1201 val e = (EApp (e, texp), loc)
adamc@304 1202 in
adamc@304 1203 (EApp (e, sqlexp), loc)
adamc@304 1204 end)
adamc@302 1205
adamc@211 1206 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 1207
adamc@446 1208 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 1209
adamc@762 1210 | LBRACK RBRACK (EVar (["Basis"], "Nil", Infer), s (LBRACKleft, RBRACKright))
adamc@762 1211
adamc@446 1212 edecls : ([])
adamc@446 1213 | edecl edecls (edecl :: edecls)
adamc@446 1214
adamc@825 1215 edecl : VAL pat EQ eexp ((EDVal (pat, eexp), s (VALleft, eexpright)))
adamc@446 1216 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 1217 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 1218
adamc@310 1219 enterDml : (inDml := true)
adamc@310 1220 leaveDml : (inDml := false)
adamc@310 1221
adamc@403 1222 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 1223 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 1224
adamc@302 1225 fields : fident ([fident])
adamc@302 1226 | fident COMMA fields (fident :: fields)
adamc@302 1227
adamc@302 1228 sqlexps: sqlexp ([sqlexp])
adamc@302 1229 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1230
adamc@303 1231 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1232 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1233
adamc@200 1234 idents : ident ([ident])
adamc@200 1235 | ident DOT idents (ident :: idents)
adamc@200 1236
adamc@195 1237 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1238 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1239
adamc@170 1240 branch : pat DARROW eexp (pat, eexp)
adamc@170 1241
adamc@170 1242 branchs: ([])
adamc@170 1243 | BAR branch branchs (branch :: branchs)
adamc@170 1244
adamc@822 1245 patS : pterm (pterm)
adamc@822 1246 | pterm DCOLON patS (let
adamc@822 1247 val loc = s (ptermleft, patSright)
adamc@762 1248 in
adamc@762 1249 (PCon (["Basis"], "Cons", SOME (PRecord ([("1", pterm),
adamc@822 1250 ("2", patS)], false), loc)),
adamc@762 1251 loc)
adamc@762 1252 end)
adamc@822 1253 | patS COLON cexp (PAnnot (patS, cexp), s (patSleft, cexpright))
adamc@822 1254
adamc@822 1255 pat : patS (patS)
adamc@822 1256 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1257
adamc@170 1258 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1259 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1260 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1261 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 1262 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821 1263 | CHAR (PPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@170 1264 | LPAREN pat RPAREN (pat)
adamc@174 1265 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1266 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1267 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1268 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1269 false),
adamc@195 1270 s (LPARENleft, RPARENright))
adamc@762 1271 | LBRACK RBRACK (PCon (["Basis"], "Nil", NONE), s (LBRACKleft, RBRACKright))
adamc@174 1272
adamc@175 1273 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1274 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1275 | DOTDOTDOT ([], true)
adamc@175 1276 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1277 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1278
adamc@195 1279 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1280 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1281
adamc@12 1282 rexp : ([])
adamc@12 1283 | ident EQ eexp ([(ident, eexp)])
adamc@12 1284 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1285
adamc@141 1286 xml : xmlOne xml (let
adamc@141 1287 val pos = s (xmlOneleft, xmlright)
adamc@141 1288 in
adamc@720 1289 (EApp ((EApp (
adamc@720 1290 (EVar (["Basis"], "join", Infer), pos),
adamc@720 1291 xmlOne), pos),
adamc@720 1292 xml), pos)
adamc@141 1293 end)
adamc@141 1294 | xmlOne (xmlOne)
adamc@91 1295
adamc@1045 1296 xmlOpt : xml (xml)
adamc@1045 1297 | (EApp ((EVar (["Basis"], "cdata", Infer), dummy),
adamc@1045 1298 (EPrim (Prim.String ""), dummy)),
adamc@1045 1299 dummy)
adamc@1045 1300
adamc@403 1301 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1302 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1303 s (NOTAGSleft, NOTAGSright))
adamc@141 1304 | tag DIVIDE GT (let
adamc@141 1305 val pos = s (tagleft, GTright)
adamc@710 1306
adamc@710 1307 val cdata =
adamc@756 1308 if #1 (#1 tag) = "submit" orelse #1 (#1 tag) = "dyn" then
adamc@710 1309 let
adamc@710 1310 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710 1311 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710 1312 in
adamc@710 1313 (ECApp (e, (CRecord [], pos)), pos)
adamc@710 1314 end
adamc@710 1315 else
adamc@710 1316 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710 1317
adamc@710 1318 val cdata = (EApp (cdata,
adamc@710 1319 (EPrim (Prim.String ""), pos)),
adamc@710 1320 pos)
adamc@141 1321 in
adamc@710 1322 (EApp (#2 tag, cdata), pos)
adamc@141 1323 end)
adamc@141 1324
adamc@1045 1325 | tag GT xmlOpt END_TAG (let
adamc@141 1326 val pos = s (tagleft, GTright)
adamc@325 1327 val et = tagIn END_TAG
adamc@141 1328 in
adamc@756 1329 if #1 (#1 tag) = et then
adamc@361 1330 if et = "form" then
adamc@403 1331 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@1045 1332 xmlOpt), pos)
adamc@1093 1333 else if et = "subform" orelse et = "subforms" then
adamc@1093 1334 (EApp (#2 (#1 tag),
adamc@1045 1335 xmlOpt), pos)
adamc@758 1336 else if et = "entry" then
adamc@758 1337 (EApp ((EVar (["Basis"], "entry", Infer), pos),
adamc@1045 1338 xmlOpt), pos)
adamc@141 1339 else
adamc@1045 1340 (EApp (#2 tag, xmlOpt), pos)
adamc@141 1341 else
adamc@325 1342 (if ErrorMsg.anyErrors () then
adamc@325 1343 ()
adamc@325 1344 else
adamc@1189 1345 ErrorMsg.errorAt pos ("Begin tag <"
adamc@1189 1346 ^ #1 (#1 tag)
adamc@1189 1347 ^ "> and end tag </"
adamc@1189 1348 ^ et
adamc@1189 1349 ^ "> don't match.");
adamc@623 1350 (EWild, pos))
adamc@141 1351 end)
adamc@141 1352 | LBRACE eexp RBRACE (eexp)
adamc@391 1353 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1354 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1355 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1356 in
adamc@391 1357 (EApp (e, eexp), loc)
adamc@391 1358 end)
adamc@92 1359
adamc@141 1360 tag : tagHead attrs (let
adamc@141 1361 val pos = s (tagHeadleft, attrsright)
adamc@721 1362
adamc@721 1363 val e = (EVar (["Basis"], "tag", Infer), pos)
adamc@721 1364 val eo = case #1 attrs of
adamc@721 1365 NONE => (EVar (["Basis"], "None", Infer), pos)
adamc@721 1366 | SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adamc@721 1367 e), pos)
adamc@721 1368 val e = (EApp (e, eo), pos)
adamc@721 1369 val e = (EApp (e, (ERecord (#2 attrs), pos)), pos)
adamc@721 1370 val e = (EApp (e, (EApp (#2 tagHead,
adamc@721 1371 (ERecord [], pos)), pos)), pos)
adamc@141 1372 in
adamc@756 1373 (tagHead, e)
adamc@141 1374 end)
adamc@141 1375
adamc@141 1376 tagHead: BEGIN_TAG (let
adamc@325 1377 val bt = tagIn BEGIN_TAG
adamc@141 1378 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1379 in
adamc@325 1380 (bt,
adamc@473 1381 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1382 end)
adamc@141 1383 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1384
adamc@721 1385 attrs : (NONE, [])
adamc@721 1386 | attr attrs (let
adamc@721 1387 val loc = s (attrleft, attrsright)
adamc@721 1388 in
adamc@721 1389 case attr of
adamc@721 1390 Class e =>
adamc@721 1391 (case #1 attrs of
adamc@721 1392 NONE => ()
adamc@721 1393 | SOME _ => ErrorMsg.errorAt loc "Multiple classes specified for tag";
adamc@721 1394 (SOME e, #2 attrs))
adamc@721 1395 | Normal xe =>
adamc@721 1396 (#1 attrs, xe :: #2 attrs)
adamc@721 1397 end)
adamc@104 1398
adamc@721 1399 attr : SYMBOL EQ attrv (if SYMBOL = "class" then
adamc@721 1400 Class attrv
adamc@717 1401 else
adamc@724 1402 let
adamc@724 1403 val sym =
adamc@724 1404 case SYMBOL of
adamc@724 1405 "type" => "Typ"
adamc@724 1406 | x => capitalize x
adamc@724 1407 in
adamc@724 1408 Normal ((CName sym, s (SYMBOLleft, SYMBOLright)),
adamc@724 1409 if (sym = "Href" orelse sym = "Src")
adamc@724 1410 andalso (case #1 attrv of
adamc@724 1411 EPrim _ => true
adamc@724 1412 | _ => false) then
adamc@724 1413 let
adamc@724 1414 val loc = s (attrvleft, attrvright)
adamc@724 1415 in
adamc@724 1416 (EApp ((EVar (["Basis"], "bless", Infer), loc),
adamc@724 1417 attrv), loc)
adamc@724 1418 end
adamc@724 1419 else
adamc@724 1420 attrv)
adamc@724 1421 end)
adamc@204 1422
adamc@104 1423 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1424 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1425 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1426 | LBRACE eexp RBRACE (eexp)
adamc@226 1427
adamc@232 1428 query : query1 obopt lopt ofopt (let
adamc@229 1429 val loc = s (query1left, query1right)
adamc@230 1430
adamc@230 1431 val re = (ERecord [((CName "Rows", loc),
adamc@230 1432 query1),
adamc@230 1433 ((CName "OrderBy", loc),
adamc@231 1434 obopt),
adamc@231 1435 ((CName "Limit", loc),
adamc@232 1436 lopt),
adamc@232 1437 ((CName "Offset", loc),
adamc@232 1438 ofopt)], loc)
adamc@229 1439 in
adamc@403 1440 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1441 end)
adamc@993 1442
adamc@993 1443 dopt : (EVar (["Basis"], "False", Infer), dummy)
adamc@993 1444 | DISTINCT (EVar (["Basis"], "True", Infer),
adamc@993 1445 s (DISTINCTleft, DISTINCTright))
adamc@993 1446
adamc@993 1447 query1 : SELECT dopt select FROM tables wopt gopt hopt
adamc@209 1448 (let
adamc@204 1449 val loc = s (SELECTleft, tablesright)
adamc@207 1450
adamc@1070 1451 val (empties, sel, exps) =
adamc@207 1452 case select of
adamc@1070 1453 Star => ([],
adamc@1070 1454 map (fn nm =>
adamc@233 1455 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1456 loc),
adamc@233 1457 (CRecord [], loc)],
adamc@748 1458 loc))) (#1 tables),
adamc@233 1459 [])
adamc@207 1460 | Items sis =>
adamc@207 1461 let
adamc@748 1462 val tabs = map (fn nm => (nm, (CRecord [], loc))) (#1 tables)
adamc@233 1463 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@1070 1464 val empties = List.mapPartial (fn (nm, (CRecord [], _)) =>
adamc@1070 1465 SOME nm
adamc@1070 1466 | _ => NONE) tabs
adamc@207 1467 in
adamc@1070 1468 (empties,
adamc@1070 1469 map (fn (nm, c) => (nm,
adamc@233 1470 (CTuple [c,
adamc@233 1471 (CWild (KRecord (KType, loc), loc),
adamc@233 1472 loc)], loc))) tabs,
adamc@233 1473 exps)
adamc@207 1474 end
adamc@207 1475
adamc@207 1476 val sel = (CRecord sel, loc)
adamc@207 1477
adamc@226 1478 val grp = case gopt of
adamc@403 1479 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1480 Infer), loc),
adamc@226 1481 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1482 loc), loc)), loc)
adamc@226 1483 | SOME gis =>
adamc@226 1484 let
adamc@748 1485 val tabs = map (fn nm =>
adamc@748 1486 (nm, (CRecord [], loc))) (#1 tables)
adamc@226 1487 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1488
adamc@226 1489 val tabs = map (fn (nm, c) =>
adamc@226 1490 (nm,
adamc@226 1491 (CTuple [c,
adamc@226 1492 (CWild (KRecord (KType, loc),
adamc@226 1493 loc),
adamc@226 1494 loc)], loc))) tabs
adamc@226 1495 in
adamc@403 1496 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1497 (CRecord tabs, loc)), loc)
adamc@226 1498 end
adamc@226 1499
adamc@403 1500 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@1070 1501 val e = (ECApp (e, (CRecord (map (fn nm => (nm, (CUnit, loc))) empties),
adamc@1070 1502 loc)), loc)
adamc@993 1503 val re = (ERecord [((CName "Distinct", loc),
adamc@993 1504 dopt),
adamc@993 1505 ((CName "From", loc),
adamc@748 1506 #2 tables),
adamc@209 1507 ((CName "Where", loc),
adamc@223 1508 wopt),
adamc@224 1509 ((CName "GroupBy", loc),
adamc@226 1510 grp),
adamc@224 1511 ((CName "Having", loc),
adamc@224 1512 hopt),
adamc@223 1513 ((CName "SelectFields", loc),
adamc@403 1514 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1515 sel), loc)),
adamc@233 1516 ((CName "SelectExps", loc),
adamc@233 1517 (ERecord exps, loc))], loc)
adamc@223 1518
adamc@209 1519 val e = (EApp (e, re), loc)
adamc@204 1520 in
adamc@207 1521 e
adamc@204 1522 end)
adamc@229 1523 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1524 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1525 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@1070 1526 | LBRACE LBRACE LBRACE eexp RBRACE RBRACE RBRACE (eexp)
adamc@204 1527
adamc@749 1528 tables : fitem (fitem)
adamc@749 1529 | fitem COMMA tables (let
adamc@749 1530 val loc = s (fitemleft, tablesright)
adamc@748 1531
adamc@748 1532 val e = (EVar (["Basis"], "sql_from_comma", Infer), loc)
adamc@749 1533 val e = (EApp (e, #2 fitem), loc)
adamc@748 1534 in
adamc@749 1535 (#1 fitem @ #1 tables,
adamc@748 1536 (EApp (e, #2 tables), loc))
adamc@748 1537 end)
adamc@204 1538
adamc@749 1539 fitem : table' ([#1 table'], #2 table')
adamc@1071 1540 | LBRACE LBRACE eexp RBRACE RBRACE ([], eexp)
adamc@749 1541 | fitem JOIN fitem ON sqlexp (let
adamc@749 1542 val loc = s (fitem1left, sqlexpright)
adamc@749 1543
adamc@749 1544 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749 1545 val e = (EApp (e, #2 fitem1), loc)
adamc@749 1546 val e = (EApp (e, #2 fitem2), loc)
adamc@749 1547 in
adamc@749 1548 (#1 fitem1 @ #1 fitem2,
adamc@749 1549 (EApp (e, sqlexp), loc))
adamc@749 1550 end)
adamc@749 1551 | fitem INNER JOIN fitem ON sqlexp (let
adamc@749 1552 val loc = s (fitem1left, sqlexpright)
adamc@749 1553
adamc@749 1554 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749 1555 val e = (EApp (e, #2 fitem1), loc)
adamc@749 1556 val e = (EApp (e, #2 fitem2), loc)
adamc@749 1557 in
adamc@749 1558 (#1 fitem1 @ #1 fitem2,
adamc@749 1559 (EApp (e, sqlexp), loc))
adamc@749 1560 end)
adamc@749 1561 | fitem CROSS JOIN fitem (let
adamc@749 1562 val loc = s (fitem1left, fitem2right)
adamc@749 1563
adamc@749 1564 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749 1565 val e = (EApp (e, #2 fitem1), loc)
adamc@749 1566 val e = (EApp (e, #2 fitem2), loc)
adamc@749 1567 val tru = sql_inject (EVar (["Basis"], "True", Infer), loc)
adamc@749 1568 in
adamc@749 1569 (#1 fitem1 @ #1 fitem2,
adamc@749 1570 (EApp (e, tru), loc))
adamc@749 1571 end)
adamc@750 1572 | fitem LEFT JOIN fitem ON sqlexp (let
adamc@750 1573 val loc = s (fitem1left, sqlexpright)
adamc@750 1574
adamc@750 1575 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@750 1576 val e = (EApp (e, #2 fitem1), loc)
adamc@750 1577 val e = (EApp (e, #2 fitem2), loc)
adamc@750 1578 in
adamc@750 1579 (#1 fitem1 @ #1 fitem2,
adamc@750 1580 (EApp (e, sqlexp), loc))
adamc@750 1581 end)
adamc@751 1582 | fitem LEFT OUTER JOIN fitem ON sqlexp (let
adamc@751 1583 val loc = s (fitem1left, sqlexpright)
adamc@751 1584
adamc@751 1585 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@751 1586 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1587 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1588 in
adamc@751 1589 (#1 fitem1 @ #1 fitem2,
adamc@751 1590 (EApp (e, sqlexp), loc))
adamc@751 1591 end)
adamc@751 1592 | fitem RIGHT JOIN fitem ON sqlexp (let
adamc@751 1593 val loc = s (fitem1left, sqlexpright)
adamc@751 1594
adamc@751 1595 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751 1596 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1597 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1598 in
adamc@751 1599 (#1 fitem1 @ #1 fitem2,
adamc@751 1600 (EApp (e, sqlexp), loc))
adamc@751 1601 end)
adamc@751 1602 | fitem RIGHT OUTER JOIN fitem ON sqlexp (let
adamc@751 1603 val loc = s (fitem1left, sqlexpright)
adamc@751 1604
adamc@751 1605 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751 1606 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1607 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1608 in
adamc@751 1609 (#1 fitem1 @ #1 fitem2,
adamc@751 1610 (EApp (e, sqlexp), loc))
adamc@751 1611 end)
adamc@751 1612 | fitem FULL JOIN fitem ON sqlexp (let
adamc@751 1613 val loc = s (fitem1left, sqlexpright)
adamc@751 1614
adamc@751 1615 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751 1616 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1617 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1618 in
adamc@751 1619 (#1 fitem1 @ #1 fitem2,
adamc@751 1620 (EApp (e, sqlexp), loc))
adamc@751 1621 end)
adamc@751 1622 | fitem FULL OUTER JOIN fitem ON sqlexp (let
adamc@751 1623 val loc = s (fitem1left, sqlexpright)
adamc@751 1624
adamc@751 1625 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751 1626 val e = (EApp (e, #2 fitem1), loc)
adamc@751 1627 val e = (EApp (e, #2 fitem2), loc)
adamc@751 1628 in
adamc@751 1629 (#1 fitem1 @ #1 fitem2,
adamc@751 1630 (EApp (e, sqlexp), loc))
adamc@751 1631 end)
adamc@749 1632
adamc@204 1633 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1634 | LBRACE cexp RBRACE (cexp)
adamc@204 1635
adamc@243 1636 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1637 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1638 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1639 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1640
adamc@748 1641 table' : table (let
adamc@748 1642 val loc = s (tableleft, tableright)
adamc@748 1643 val e = (EVar (["Basis"], "sql_from_table", Infer), loc)
adamc@748 1644 val e = (ECApp (e, #1 table), loc)
adamc@748 1645 in
adamc@748 1646 (#1 table, (EApp (e, #2 table), loc))
adamc@748 1647 end)
adamc@748 1648
adamc@243 1649 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1650 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1651 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1652
adamc@207 1653 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1654 | LBRACE cexp RBRACE (cexp)
adamc@207 1655
adamc@207 1656 seli : tident DOT fident (Field (tident, fident))
adamc@233 1657 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1658 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1659
adamc@207 1660 selis : seli ([seli])
adamc@207 1661 | seli COMMA selis (seli :: selis)
adamc@207 1662
adamc@207 1663 select : STAR (Star)
adamc@207 1664 | selis (Items selis)
adamc@209 1665
adamc@403 1666 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1667 s (TRUEleft, TRUEright)))
adamc@403 1668 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1669 s (FALSEleft, FALSEright)))
adamc@209 1670
adamc@222 1671 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1672 s (INTleft, INTright)))
adamc@222 1673 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1674 s (FLOATleft, FLOATright)))
adamc@229 1675 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1676 s (STRINGleft, STRINGright)))
adamc@441 1677 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1678 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1679
adamc@221 1680 | tident DOT fident (let
adamc@221 1681 val loc = s (tidentleft, fidentright)
adamc@403 1682 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1683 val e = (ECApp (e, tident), loc)
adamc@221 1684 in
adamc@221 1685 (ECApp (e, fident), loc)
adamc@221 1686 end)
adamc@234 1687 | CSYMBOL (let
adamc@234 1688 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1689 in
adamc@310 1690 if !inDml then
adamc@310 1691 let
adamc@403 1692 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1693 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1694 in
adamc@310 1695 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1696 end
adamc@310 1697 else
adamc@310 1698 let
adamc@403 1699 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1700 in
adamc@310 1701 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1702 end
adamc@310 1703 end)
adamc@221 1704
adamc@471 1705 | LBRACE eexp RBRACE (eexp)
adamc@470 1706
adamc@559 1707 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1708 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1709 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1710 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1711 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1712 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1713
adamc@559 1714 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1715 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1716 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1717 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1718 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1719
adamc@220 1720 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1721 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1722
adamc@220 1723 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1724 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1725
adamc@470 1726 | sqlexp IS NULL (let
adamc@470 1727 val loc = s (sqlexpleft, NULLright)
adamc@470 1728 in
adamc@470 1729 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1730 sqlexp), loc)
adamc@470 1731 end)
adamc@470 1732
adamc@471 1733 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1734 s (LBRACEleft, RBRACEright)))
adamc@220 1735 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1736
adamc@467 1737 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1738 s (NULLleft, NULLright))))
adamc@467 1739
adamc@235 1740 | COUNT LPAREN STAR RPAREN (let
adamc@235 1741 val loc = s (COUNTleft, RPARENright)
adamc@235 1742 in
adamc@544 1743 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1744 end)
adamc@1187 1745 | COUNT LPAREN sqlexp RPAREN (let
adamc@1187 1746 val loc = s (COUNTleft, RPARENright)
adamc@1187 1747
adamc@1187 1748 val e = (EVar (["Basis"], "sql_count_col", Infer), loc)
adamc@1187 1749 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@1187 1750 e), loc)
adamc@1187 1751 in
adamc@1187 1752 (EApp (e, sqlexp), loc)
adamc@1187 1753 end)
adamc@236 1754 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1755 val loc = s (sqlaggleft, RPARENright)
adamc@236 1756
adamc@403 1757 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1758 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1759 e), loc)
adamc@236 1760 in
adamc@236 1761 (EApp (e, sqlexp), loc)
adamc@236 1762 end)
adamc@746 1763 | fname LPAREN sqlexp RPAREN (let
adamc@746 1764 val loc = s (fnameleft, RPARENright)
adamc@746 1765
adamc@746 1766 val e = (EVar (["Basis"], "sql_ufunc", Infer), loc)
adamc@746 1767 val e = (EApp (e, fname), loc)
adamc@746 1768 in
adamc@746 1769 (EApp (e, sqlexp), loc)
adamc@746 1770 end)
adamc@746 1771
adamc@746 1772 fname : SYMBOL (EVar (["Basis"], "sql_" ^ SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@746 1773 | LBRACE eexp RBRACE (eexp)
adamc@235 1774
adamc@403 1775 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1776 dummy))
adamc@209 1777 | CWHERE sqlexp (sqlexp)
adamc@226 1778
adamc@226 1779 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1780
adamc@226 1781 groupis: groupi ([groupi])
adamc@226 1782 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1783
adamc@226 1784 gopt : (NONE)
adamc@226 1785 | GROUP BY groupis (SOME groupis)
adamc@227 1786
adamc@403 1787 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1788 dummy))
adamc@227 1789 | HAVING sqlexp (sqlexp)
adamc@230 1790
adamc@403 1791 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1792 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1793 dummy)
adamc@230 1794 | ORDER BY obexps (obexps)
adamc@230 1795
adamc@268 1796 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1797
adamc@268 1798 obexps : obitem (let
adamc@268 1799 val loc = s (obitemleft, obitemright)
adamc@230 1800
adamc@403 1801 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1802 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1803 loc)
adamc@403 1804 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1805 #1 obitem), loc)
adamc@268 1806 val e = (EApp (e, #2 obitem), loc)
adamc@230 1807 in
adamc@230 1808 (EApp (e, e'), loc)
adamc@230 1809 end)
adamc@268 1810 | obitem COMMA obexps (let
adamc@268 1811 val loc = s (obitemleft, obexpsright)
adamc@230 1812
adamc@403 1813 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1814 #1 obitem), loc)
adamc@268 1815 val e = (EApp (e, #2 obitem), loc)
adamc@230 1816 in
adamc@230 1817 (EApp (e, obexps), loc)
adamc@230 1818 end)
adamc@231 1819
adamc@403 1820 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1821 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1822 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1823
adamc@403 1824 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1825 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1826 | LIMIT sqlint (let
adamc@231 1827 val loc = s (LIMITleft, sqlintright)
adamc@231 1828 in
adamc@403 1829 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1830 end)
adamc@231 1831
adamc@403 1832 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1833 | OFFSET sqlint (let
adamc@232 1834 val loc = s (OFFSETleft, sqlintright)
adamc@232 1835 in
adamc@403 1836 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1837 end)
adamc@232 1838
adamc@231 1839 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1840 | LBRACE eexp RBRACE (eexp)
adamc@236 1841
adamc@236 1842 sqlagg : AVG ("avg")
adamc@236 1843 | SUM ("sum")
adamc@236 1844 | MIN ("min")
adamc@236 1845 | MAX ("max")