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CHECK constraints
author Adam Chlipala <adamc@hcoop.net>
date Thu, 09 Apr 2009 15:30:15 -0400
parents 915ec60592d4
children e28637743279
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@1 179 %%
adamc@244 180 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 181
adamc@1 182 %term
adamc@1 183 EOF
adamc@14 184 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 185 | SYMBOL of string | CSYMBOL of string
adamc@1 186 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 187 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@403 188 | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
adamc@623 189 | CON | LTYPE | VAL | REC | AND | FUN | MAP | UNIT | KUNIT | CLASS
adamc@156 190 | DATATYPE | OF
adamc@7 191 | TYPE | NAME
adamc@629 192 | ARROW | LARROW | DARROW | STAR | SEMI | KARROW | DKARROW | BANG
adamc@674 193 | FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE | CARET
adamc@446 194 | LET | IN
adamc@445 195 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL
adamc@338 196 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE
adamc@459 197 | COOKIE
adamc@190 198 | CASE | IF | THEN | ELSE
adamc@1 199
adamc@360 200 | XML_BEGIN of string | XML_END | XML_BEGIN_END of string
adamc@91 201 | NOTAGS of string
adamc@91 202 | BEGIN_TAG of string | END_TAG of string
adamc@91 203
adamc@230 204 | SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 205 | UNION | INTERSECT | EXCEPT
adamc@232 206 | LIMIT | OFFSET | ALL
adamc@220 207 | TRUE | FALSE | CAND | OR | NOT
adamc@236 208 | COUNT | AVG | SUM | MIN | MAX
adamc@268 209 | ASC | DESC
adamc@470 210 | INSERT | INTO | VALUES | UPDATE | SET | DELETE | NULL | IS
adamc@441 211 | CURRENT_TIMESTAMP
adamc@219 212 | NE | LT | LE | GT | GE
adamc@714 213 | CCONSTRAINT | UNIQUE | CHECK | PRIMARY | FOREIGN | KEY | ON | NO | ACTION | RESTRICT | CASCADE | REFERENCES
adamc@204 214
adamc@30 215 %nonterm
adamc@1 216 file of decl list
adamc@1 217 | decls of decl list
adamc@325 218 | decl of decl list
adamc@123 219 | vali of string * con option * exp
adamc@123 220 | valis of (string * con option * exp) list
adamc@242 221 | copt of con option
adamc@1 222
adamc@191 223 | dargs of string list
adamc@156 224 | barOpt of unit
adamc@156 225 | dcons of (string * con option) list
adamc@156 226 | dcon of string * con option
adamc@156 227
adamc@707 228 | pkopt of exp
adamc@707 229 | commaOpt of unit
adamc@707 230
adamc@704 231 | cst of exp
adamc@704 232 | csts of exp
adamc@704 233 | cstopt of exp
adamc@704 234
adamc@709 235 | pmode of prop_kind * exp
adamc@709 236 | pkind of prop_kind
adamc@709 237 | prule of exp
adamc@709 238 | pmodes of (prop_kind * exp) list
adamc@709 239
adamc@30 240 | sgn of sgn
adamc@42 241 | sgntm of sgn
adamc@30 242 | sgi of sgn_item
adamc@30 243 | sgis of sgn_item list
adamc@30 244
adamc@30 245 | str of str
adamc@30 246
adamc@1 247 | kind of kind
adamc@207 248 | ktuple of kind list
adamc@1 249 | kcolon of explicitness
adamc@240 250 | kopt of kind option
adamc@1 251
adamc@34 252 | path of string list * string
adamc@156 253 | cpath of string list * string
adamc@34 254 | spath of str
adamc@59 255 | mpath of string list
adamc@34 256
adamc@1 257 | cexp of con
adamc@1 258 | capps of con
adamc@1 259 | cterm of con
adamc@195 260 | ctuple of con list
adamc@207 261 | ctuplev of con list
adamc@1 262 | ident of con
adamc@200 263 | idents of con list
adamc@1 264 | rcon of (con * con) list
adamc@83 265 | rconn of (con * con) list
adamc@1 266 | rcone of (con * con) list
adamc@239 267 | cargs of con * kind -> con * kind
adamc@239 268 | cargl of con * kind -> con * kind
adamc@240 269 | cargl2 of con * kind -> con * kind
adamc@239 270 | carg of con * kind -> con * kind
adamc@239 271 | cargp of con * kind -> con * kind
adamc@1 272
adamc@8 273 | eexp of exp
adamc@8 274 | eapps of exp
adamc@8 275 | eterm of exp
adamc@195 276 | etuple of exp list
adamc@12 277 | rexp of (con * exp) list
adamc@91 278 | xml of exp
adamc@91 279 | xmlOne of exp
adamc@141 280 | tag of string * exp
adamc@141 281 | tagHead of string * exp
adamc@434 282 | bind of string * con option * exp
adamc@446 283 | edecl of edecl
adamc@446 284 | edecls of edecl list
adamc@8 285
adamc@241 286 | earg of exp * con -> exp * con
adamc@241 287 | eargp of exp * con -> exp * con
adamc@241 288 | eargs of exp * con -> exp * con
adamc@241 289 | eargl of exp * con -> exp * con
adamc@242 290 | eargl2 of exp * con -> exp * con
adamc@241 291
adamc@170 292 | branch of pat * exp
adamc@170 293 | branchs of (pat * exp) list
adamc@170 294 | pat of pat
adamc@170 295 | pterm of pat
adamc@174 296 | rpat of (string * pat) list * bool
adamc@195 297 | ptuple of pat list
adamc@170 298
adamc@104 299 | attrs of (con * exp) list
adamc@104 300 | attr of con * exp
adamc@104 301 | attrv of exp
adamc@104 302
adamc@204 303 | query of exp
adamc@226 304 | query1 of exp
adamc@204 305 | tables of (con * exp) list
adamc@204 306 | tname of con
adamc@705 307 | tnameW of con * con
adamc@705 308 | tnames of (con * con) * (con * con) list
adamc@705 309 | tnames' of (con * con) * (con * con) list
adamc@204 310 | table of con * exp
adamc@207 311 | tident of con
adamc@207 312 | fident of con
adamc@207 313 | seli of select_item
adamc@207 314 | selis of select_item list
adamc@207 315 | select of select
adamc@209 316 | sqlexp of exp
adamc@209 317 | wopt of exp
adamc@226 318 | groupi of group_item
adamc@226 319 | groupis of group_item list
adamc@226 320 | gopt of group_item list option
adamc@227 321 | hopt of exp
adamc@230 322 | obopt of exp
adamc@268 323 | obitem of exp * exp
adamc@230 324 | obexps of exp
adamc@268 325 | diropt of exp
adamc@231 326 | lopt of exp
adamc@232 327 | ofopt of exp
adamc@231 328 | sqlint of exp
adamc@236 329 | sqlagg of string
adamc@207 330
adamc@302 331 | texp of exp
adamc@302 332 | fields of con list
adamc@302 333 | sqlexps of exp list
adamc@303 334 | fsets of (con * exp) list
adamc@310 335 | enterDml of unit
adamc@310 336 | leaveDml of unit
adamc@302 337
adamc@204 338
adamc@1 339 %verbose (* print summary of errors *)
adamc@1 340 %pos int (* positions *)
adamc@1 341 %start file
adamc@1 342 %pure
adamc@1 343 %eop EOF
adamc@1 344 %noshift EOF
adamc@1 345
adamc@244 346 %name Urweb
adamc@1 347
adamc@623 348 %right KARROW
adamc@623 349 %nonassoc DKARROW
adamc@243 350 %right SEMI
adamc@243 351 %nonassoc LARROW
adamc@195 352 %nonassoc IF THEN ELSE
adamc@1 353 %nonassoc DARROW
adamc@1 354 %nonassoc COLON
adamc@6 355 %nonassoc DCOLON TCOLON
adamc@229 356 %left UNION INTERSECT EXCEPT
adamc@1 357 %right COMMA
adamc@220 358 %right OR
adamc@220 359 %right CAND
adamc@470 360 %nonassoc EQ NE LT LE GT GE IS
adamc@243 361 %right ARROW
adamc@674 362 %right CARET PLUSPLUS MINUSMINUS MINUSMINUSMINUS
adamc@389 363 %left PLUS MINUS
adamc@389 364 %left STAR DIVIDE MOD
adamc@220 365 %left NOT
adamc@84 366 %nonassoc TWIDDLE
adamc@1 367 %nonassoc DOLLAR
adamc@1 368 %left DOT
adamc@221 369 %nonassoc LBRACE RBRACE
adamc@1 370
adamc@1 371 %%
adamc@1 372
adamc@1 373 file : decls (decls)
adamc@54 374 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 375 s (SIGleft, sgisright))])
adamc@1 376
adamc@1 377 decls : ([])
adamc@325 378 | decl decls (decl @ decls)
adamc@1 379
adamc@240 380 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 381 val loc = s (CONleft, cexpright)
adamc@240 382
adamc@240 383 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 384 val (c, k) = cargl2 (cexp, k)
adamc@240 385 in
adamc@325 386 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 387 end)
adamc@325 388 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 389 s (LTYPEleft, cexpright))])
adamc@325 390 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 391 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 392 (case dargs of
adamc@325 393 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 394 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 395 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 396 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 397 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 398
adamc@325 399 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 400 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 401 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 402 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 403 ([(DStr (CSYMBOL1, NONE,
adamc@325 404 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 405 s (FUNCTORleft, strright))])
adamc@42 406 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 407 ([(DStr (CSYMBOL1, NONE,
adamc@325 408 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 409 s (FUNCTORleft, strright))])
adamc@325 410 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 411 | OPEN mpath (case mpath of
adamc@61 412 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 413 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 414 | OPEN mpath LPAREN str RPAREN (let
adamc@325 415 val loc = s (OPENleft, RPARENright)
adamc@325 416
adamc@325 417 val m = case mpath of
adamc@325 418 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 419 | m :: ms =>
adamc@325 420 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 421 (StrVar m, loc) ms
adamc@325 422 in
adamc@325 423 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 424 (DOpen ("anon", []), loc)]
adamc@325 425 end)
adamc@88 426 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 427 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 428 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 429 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 430 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@707 431 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
adamc@707 432 s (TABLEleft, cstoptright))])
adamc@338 433 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@563 434 | CLASS SYMBOL EQ cexp (let
adamc@563 435 val loc = s (CLASSleft, cexpright)
adamc@563 436 in
adamc@563 437 [(DClass (SYMBOL, (KWild, loc), cexp), loc)]
adamc@563 438 end)
adamc@563 439 | CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
adamc@211 440 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 441 val loc = s (CLASSleft, cexpright)
adamc@563 442 val k = (KWild, loc)
adamc@211 443 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 444 in
adamc@563 445 [(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
adamc@563 446 end)
adamc@563 447 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 448 val loc = s (CLASSleft, cexpright)
adamc@563 449 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 450 in
adamc@563 451 [(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
adamc@211 452 end)
adamc@459 453 | COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@30 454
adamc@240 455 kopt : (NONE)
adamc@240 456 | DCOLON kind (SOME kind)
adamc@240 457
adamc@191 458 dargs : ([])
adamc@191 459 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 460
adamc@156 461 barOpt : ()
adamc@156 462 | BAR ()
adamc@156 463
adamc@156 464 dcons : dcon ([dcon])
adamc@156 465 | dcon BAR dcons (dcon :: dcons)
adamc@156 466
adamc@156 467 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 468 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 469
adamc@242 470 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 471 val loc = s (SYMBOLleft, eexpright)
adamc@242 472 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 473
adamc@242 474 val (e, t) = eargl2 (eexp, t)
adamc@242 475 in
adamc@242 476 (SYMBOL, SOME t, e)
adamc@242 477 end)
adamc@242 478
adamc@242 479 copt : (NONE)
adamc@242 480 | COLON cexp (SOME cexp)
adamc@123 481
adamc@704 482 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704 483 | csts (csts)
adamc@704 484
adamc@704 485 csts : CCONSTRAINT tname cst (let
adamc@704 486 val loc = s (CCONSTRAINTleft, cstright)
adamc@704 487
adamc@704 488 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704 489 val e = (ECApp (e, tname), loc)
adamc@704 490 in
adamc@704 491 (EApp (e, cst), loc)
adamc@704 492 end)
adamc@704 493 | csts COMMA csts (let
adamc@704 494 val loc = s (csts1left, csts2right)
adamc@704 495
adamc@704 496 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704 497 val e = (EApp (e, csts1), loc)
adamc@704 498 in
adamc@704 499 (EApp (e, csts2), loc)
adamc@704 500 end)
adamc@704 501 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704 502
adamc@704 503 cst : UNIQUE tnames (let
adamc@704 504 val loc = s (UNIQUEleft, tnamesright)
adamc@704 505
adamc@704 506 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705 507 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705 508 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@705 509 val e = (EDisjointApp e, loc)
adamc@704 510 in
adamc@704 511 (EDisjointApp e, loc)
adamc@704 512 end)
adamc@709 513
adamc@714 514 | CHECK sqlexp (let
adamc@714 515 val loc = s (CHECKleft, sqlexpright)
adamc@714 516 in
adamc@714 517 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714 518 sqlexp), loc)
adamc@714 519 end)
adamc@714 520
adamc@709 521 | FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709 522 (let
adamc@709 523 val loc = s (FOREIGNleft, pmodesright)
adamc@709 524
adamc@709 525 val mat = ListPair.foldrEq
adamc@709 526 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709 527 let
adamc@709 528 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709 529 val e = (ECApp (e, nm1), loc)
adamc@709 530 val e = (ECApp (e, nm2), loc)
adamc@709 531 val e = (EDisjointApp e, loc)
adamc@709 532 val e = (EDisjointApp e, loc)
adamc@712 533 val e = (EApp (e, (EWild, loc)), loc)
adamc@709 534 in
adamc@709 535 (EApp (e, mat), loc)
adamc@709 536 end)
adamc@709 537 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709 538 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adamc@709 539
adamc@709 540 fun findMode mode =
adamc@709 541 let
adamc@709 542 fun findMode' pmodes =
adamc@709 543 case pmodes of
adamc@709 544 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709 545 | (mode', rule) :: pmodes' =>
adamc@709 546 if mode' = mode then
adamc@709 547 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709 548 pmodes' then
adamc@709 549 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709 550 else
adamc@709 551 ();
adamc@709 552 rule)
adamc@709 553 else
adamc@709 554 findMode' pmodes'
adamc@709 555 in
adamc@709 556 findMode' pmodes
adamc@709 557 end
adamc@709 558
adamc@709 559 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709 560 val e = (EApp (e, mat), loc)
adamc@709 561 val e = (EApp (e, texp), loc)
adamc@709 562 in
adamc@709 563 (EApp (e, (ERecord [((CName "OnDelete", loc),
adamc@709 564 findMode Delete),
adamc@709 565 ((CName "OnUpdate", loc),
adamc@709 566 findMode Update)], loc)), loc)
adamc@709 567 end)
adamc@709 568
adamc@704 569 | LBRACE eexp RBRACE (eexp)
adamc@704 570
adamc@704 571 tnameW : tname (let
adamc@704 572 val loc = s (tnameleft, tnameright)
adamc@704 573 in
adamc@704 574 (tname, (CWild (KType, loc), loc))
adamc@704 575 end)
adamc@704 576
adamc@705 577 tnames : tnameW (tnameW, [])
adamc@705 578 | LPAREN tnames' RPAREN (tnames')
adamc@704 579
adamc@705 580 tnames': tnameW (tnameW, [])
adamc@705 581 | tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704 582
adamc@709 583 pmode : ON pkind prule (pkind, prule)
adamc@709 584
adamc@709 585 pkind : DELETE (Delete)
adamc@709 586 | UPDATE (Update)
adamc@709 587
adamc@709 588 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709 589 | RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709 590 | CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709 591 | SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709 592
adamc@709 593 pmodes : ([])
adamc@709 594 | pmode pmodes (pmode :: pmodes)
adamc@709 595
adamc@707 596 commaOpt: ()
adamc@707 597 | COMMA ()
adamc@707 598
adamc@707 599 pkopt : (EVar (["Basis"], "no_primary_key", Infer), ErrorMsg.dummySpan)
adamc@707 600 | PRIMARY KEY tnames (let
adamc@707 601 val loc = s (PRIMARYleft, tnamesright)
adamc@707 602
adamc@707 603 val e = (EVar (["Basis"], "primary_key", Infer), loc)
adamc@707 604 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707 605 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707 606 val e = (EDisjointApp e, loc)
adamc@707 607 val e = (EDisjointApp e, loc)
adamc@707 608
adamc@707 609 val witness = map (fn (c, _) =>
adamc@707 610 (c, (EWild, loc)))
adamc@707 611 (#1 tnames :: #2 tnames)
adamc@707 612 val witness = (ERecord witness, loc)
adamc@707 613 in
adamc@707 614 (EApp (e, witness), loc)
adamc@707 615 end)
adamc@707 616
adamc@123 617 valis : vali ([vali])
adamc@123 618 | vali AND valis (vali :: valis)
adamc@123 619
adamc@42 620 sgn : sgntm (sgntm)
adamc@40 621 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 622 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 623
adamc@42 624 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 625 | mpath (case mpath of
adamc@61 626 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 627 | [x] => SgnVar x
adamc@59 628 | m :: ms => SgnProj (m,
adamc@59 629 List.take (ms, length ms - 1),
adamc@59 630 List.nth (ms, length ms - 1)),
adamc@59 631 s (mpathleft, mpathright))
adamc@42 632 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 633 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 634 | LPAREN sgn RPAREN (sgn)
adamc@42 635
adamc@706 636 sgi : CON SYMBOL DCOLON kind ((SgiConAbs (SYMBOL, kind), s (CONleft, kindright)))
adamc@706 637 | LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706 638 s (LTYPEleft, SYMBOLright)))
adamc@706 639 | CON SYMBOL EQ cexp ((SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)))
adamc@706 640 | CON SYMBOL DCOLON kind EQ cexp ((SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)))
adamc@706 641 | LTYPE SYMBOL EQ cexp ((SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@706 642 s (LTYPEleft, cexpright)))
adamc@706 643 | DATATYPE SYMBOL dargs EQ barOpt dcons((SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright)))
adamc@191 644 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 645 (case dargs of
adamc@191 646 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 647 | _ => raise Fail "Arguments specified for imported datatype")
adamc@706 648 | VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30 649
adamc@706 650 | STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706 651 | SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42 652 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706 653 ((SgiStr (CSYMBOL1,
adamc@706 654 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706 655 s (FUNCTORleft, sgn2right)))
adamc@706 656 | INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706 657 | CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707 658 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707 659 val loc = s (TABLEleft, ctermright)
adamc@707 660 in
adamc@707 661 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707 662 end)
adamc@460 663 | SEQUENCE SYMBOL (let
adamc@460 664 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 665 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 666 in
adamc@460 667 (SgiVal (SYMBOL, t), loc)
adamc@460 668 end)
adamc@563 669 | CLASS SYMBOL (let
adamc@563 670 val loc = s (CLASSleft, SYMBOLright)
adamc@711 671 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563 672 in
adamc@711 673 (SgiClassAbs (SYMBOL, k), loc)
adamc@563 674 end)
adamc@563 675 | CLASS SYMBOL DCOLON kind (let
adamc@563 676 val loc = s (CLASSleft, kindright)
adamc@563 677 in
adamc@563 678 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 679 end)
adamc@563 680 | CLASS SYMBOL EQ cexp (let
adamc@563 681 val loc = s (CLASSleft, cexpright)
adamc@563 682 in
adamc@563 683 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 684 end)
adamc@563 685 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 686 val loc = s (CLASSleft, cexpright)
adamc@563 687 in
adamc@563 688 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 689 end)
adamc@211 690 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 691 val loc = s (CLASSleft, cexpright)
adamc@563 692 val k = (KWild, loc)
adamc@211 693 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 694 in
adamc@563 695 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 696 end)
adamc@563 697 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 698 val loc = s (CLASSleft, cexpright)
adamc@563 699 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 700 in
adamc@563 701 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 702 end)
adamc@460 703 | COOKIE SYMBOL COLON cexp (let
adamc@460 704 val loc = s (COOKIEleft, cexpright)
adamc@460 705 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 706 entable cexp), loc)
adamc@460 707 in
adamc@460 708 (SgiVal (SYMBOL, t), loc)
adamc@460 709 end)
adamc@30 710
adamc@30 711 sgis : ([])
adamc@30 712 | sgi sgis (sgi :: sgis)
adamc@30 713
adamc@30 714 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 715 | spath (spath)
adamc@40 716 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 717 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 718 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 719 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 720 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 721
adamc@34 722 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 723 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 724
adamc@1 725 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 726 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 727 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 728 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 729 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 730 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 731 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 732 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 733 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 734 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 735
adamc@207 736 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 737 | kind STAR ktuple (kind :: ktuple)
adamc@1 738
adamc@1 739 capps : cterm (cterm)
adamc@1 740 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 741
adamc@1 742 cexp : capps (capps)
adamc@1 743 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 744 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 745 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 746
adamc@1 747 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 748
adamc@239 749 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 750 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 751 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 752
adamc@8 753 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 754
adamc@18 755 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 756 | ctuple (let
adamc@195 757 val loc = s (ctupleleft, ctupleright)
adamc@195 758 in
adamc@195 759 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 760 ((CName (Int.toString (i + 1)), loc),
adamc@195 761 c)) ctuple),
adamc@195 762 loc), loc)
adamc@195 763 end)
adamc@18 764
adamc@1 765 kcolon : DCOLON (Explicit)
adamc@1 766 | TCOLON (Implicit)
adamc@1 767
adamc@239 768 cargs : carg (carg)
adamc@239 769 | cargl (cargl)
adamc@239 770
adamc@239 771 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 772 | cargp cargl (cargp o cargl)
adamc@239 773
adamc@240 774 cargl2 : (fn x => x)
adamc@240 775 | cargp cargl2 (cargp o cargl2)
adamc@240 776
adamc@241 777 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 778 let
adamc@239 779 val loc = s (SYMBOLleft, kindright)
adamc@239 780 in
adamc@239 781 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 782 (KArrow (kind, k), loc))
adamc@239 783 end)
adamc@329 784 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 785 let
adamc@329 786 val loc = s (UNDERleft, kindright)
adamc@329 787 in
adamc@329 788 ((CAbs ("_", SOME kind, c), loc),
adamc@329 789 (KArrow (kind, k), loc))
adamc@329 790 end)
adamc@241 791 | cargp (cargp)
adamc@239 792
adamc@239 793 cargp : SYMBOL (fn (c, k) =>
adamc@239 794 let
adamc@239 795 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 796 in
adamc@239 797 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 798 (KArrow ((KWild, loc), k), loc))
adamc@239 799 end)
adamc@329 800 | UNDER (fn (c, k) =>
adamc@329 801 let
adamc@329 802 val loc = s (UNDERleft, UNDERright)
adamc@329 803 in
adamc@329 804 ((CAbs ("_", NONE, c), loc),
adamc@329 805 (KArrow ((KWild, loc), k), loc))
adamc@329 806 end)
adamc@239 807 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 808 let
adamc@239 809 val loc = s (LPARENleft, RPARENright)
adamc@239 810 in
adamc@239 811 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 812 (KArrow (kind, k), loc))
adamc@239 813 end)
adamc@628 814
adamc@239 815
adamc@34 816 path : SYMBOL ([], SYMBOL)
adamc@34 817 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 818
adamc@156 819 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 820 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 821
adamc@59 822 mpath : CSYMBOL ([CSYMBOL])
adamc@59 823 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 824
adamc@1 825 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 826 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 827 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 828 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 829 s (LBRACEleft, RBRACEright))
adamc@1 830 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 831 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 832 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 833
adamc@34 834 | path (CVar path, s (pathleft, pathright))
adamc@207 835 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 836 s (pathleft, INTright))
adamc@18 837 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 838 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 839 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 840 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 841
adamc@207 842 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 843 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 844
adamc@196 845 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 846 | capps STAR ctuple (capps :: ctuple)
adamc@195 847
adamc@1 848 rcon : ([])
adamc@1 849 | ident EQ cexp ([(ident, cexp)])
adamc@1 850 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 851
adamc@83 852 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 853 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 854
adamc@1 855 rcone : ([])
adamc@1 856 | ident COLON cexp ([(ident, cexp)])
adamc@1 857 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 858
adamc@1 859 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 860 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 861 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 862
adamc@8 863 eapps : eterm (eterm)
adamc@8 864 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 865 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 866 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 867
adamc@8 868 eexp : eapps (eapps)
adamc@241 869 | FN eargs DARROW eexp (let
adamc@93 870 val loc = s (FNleft, eexpright)
adamc@93 871 in
adamc@241 872 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 873 end)
adamc@623 874 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 875 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 876 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 877 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 878 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 879 | IF eexp THEN eexp ELSE eexp (let
adamc@190 880 val loc = s (IFleft, eexp3right)
adamc@190 881 in
adamc@190 882 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 883 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 884 end)
adamc@434 885 | bind SEMI eexp (let
adamc@434 886 val loc = s (bindleft, eexpright)
adamc@434 887 val (v, to, e1) = bind
adamc@403 888 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 889 val e = (EApp (e, e1), loc)
adamc@243 890 in
adamc@434 891 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 892 end)
adamc@256 893 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 894 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 895 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 896 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 897 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 898 | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
adamc@389 899 | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 900 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 901
adamc@391 902 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 903 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 904 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 905 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 906
adamc@445 907 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 908
adamc@674 909 | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674 910
adamc@434 911 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 912 | UNIT LARROW eapps (let
adamc@434 913 val loc = s (UNITleft, eappsright)
adamc@434 914 in
adamc@434 915 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 916 end)
adamc@434 917 | eapps (let
adamc@434 918 val loc = s (eappsleft, eappsright)
adamc@434 919 in
adamc@434 920 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 921 end)
adamc@434 922
adamc@241 923 eargs : earg (earg)
adamc@241 924 | eargl (eargl)
adamc@241 925
adamc@241 926 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 927 | eargp eargl (eargp o eargl)
adamc@241 928
adamc@242 929 eargl2 : (fn x => x)
adamc@242 930 | eargp eargl2 (eargp o eargl2)
adamc@242 931
adamc@241 932 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 933 let
adamc@241 934 val loc = s (SYMBOLleft, kindright)
adamc@241 935 in
adamc@241 936 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 937 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 938 end)
adamc@241 939 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 940 let
adamc@241 941 val loc = s (SYMBOLleft, cexpright)
adamc@241 942 in
adamc@241 943 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 944 (TFun (cexp, t), loc))
adamc@241 945 end)
adamc@241 946 | UNDER COLON cexp (fn (e, t) =>
adamc@241 947 let
adamc@241 948 val loc = s (UNDERleft, cexpright)
adamc@241 949 in
adamc@241 950 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 951 (TFun (cexp, t), loc))
adamc@241 952 end)
adamc@241 953 | eargp (eargp)
adamc@241 954
adamc@241 955 eargp : SYMBOL (fn (e, t) =>
adamc@241 956 let
adamc@241 957 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 958 in
adamc@241 959 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 960 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 961 end)
adamc@241 962 | UNIT (fn (e, t) =>
adamc@241 963 let
adamc@241 964 val loc = s (UNITleft, UNITright)
adamc@241 965 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 966 in
adamc@241 967 ((EAbs ("_", SOME t', e), loc),
adamc@241 968 (TFun (t', t), loc))
adamc@241 969 end)
adamc@241 970 | UNDER (fn (e, t) =>
adamc@241 971 let
adamc@241 972 val loc = s (UNDERleft, UNDERright)
adamc@241 973 in
adamc@241 974 ((EAbs ("_", NONE, e), loc),
adamc@241 975 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 976 end)
adamc@241 977 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 978 let
adamc@241 979 val loc = s (LPARENleft, RPARENright)
adamc@241 980 in
adamc@241 981 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 982 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 983 end)
adamc@241 984 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 985 let
adamc@241 986 val loc = s (LPARENleft, RPARENright)
adamc@241 987 in
adamc@241 988 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 989 (TFun (cexp, t), loc))
adamc@241 990 end)
adamc@241 991 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 992 let
adamc@241 993 val loc = s (LPARENleft, RPARENright)
adamc@241 994 in
adamc@241 995 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 996 (TFun (cexp, t), loc))
adamc@241 997 end)
adamc@478 998 | LPAREN cexp TWIDDLE cexp RPAREN (fn (e, t) =>
adamc@354 999 let
adamc@354 1000 val loc = s (LPARENleft, RPARENright)
adamc@354 1001 in
adamc@478 1002 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1003 (TDisjoint (cexp1, cexp2, t), loc))
adamc@354 1004 end)
adamc@478 1005 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 1006 let
adamc@356 1007 val loc = s (LBRACKleft, RBRACKright)
adamc@356 1008 in
adamc@478 1009 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1010 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 1011 end)
adamc@623 1012 | CSYMBOL (fn (e, t) =>
adamc@623 1013 let
adamc@623 1014 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 1015 in
adamc@623 1016 ((EKAbs (CSYMBOL, e), loc),
adamc@623 1017 (TKFun (CSYMBOL, t), loc))
adamc@623 1018 end)
adamc@241 1019
adamc@8 1020 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 1021 | LPAREN etuple RPAREN (let
adamc@195 1022 val loc = s (LPARENleft, RPARENright)
adamc@195 1023 in
adamc@195 1024 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 1025 ((CName (Int.toString (i + 1)), loc),
adamc@195 1026 e)) etuple), loc)
adamc@195 1027 end)
adamc@8 1028
adamc@403 1029 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 1030 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 1031 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 1032 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 1033 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 1034 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 1035 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 1036 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 1037
adamc@14 1038 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 1039 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 1040 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 1041
adamc@200 1042 | path DOT idents (let
adamc@200 1043 val loc = s (pathleft, identsright)
adamc@200 1044 in
adamc@200 1045 foldl (fn (ident, e) =>
adamc@200 1046 (EField (e, ident), loc))
adamc@403 1047 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 1048 end)
adamc@403 1049 | AT path DOT idents (let
adamc@403 1050 val loc = s (ATleft, identsright)
adamc@403 1051 in
adamc@403 1052 foldl (fn (ident, e) =>
adamc@403 1053 (EField (e, ident), loc))
adamc@403 1054 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 1055 end)
adamc@403 1056 | AT AT path DOT idents (let
adamc@403 1057 val loc = s (AT1left, identsright)
adamc@403 1058 in
adamc@403 1059 foldl (fn (ident, e) =>
adamc@403 1060 (EField (e, ident), loc))
adamc@403 1061 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 1062 end)
adamc@71 1063
adamc@360 1064 | XML_BEGIN xml XML_END (let
adamc@360 1065 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1066 in
adamc@360 1067 if XML_BEGIN = "xml" then
adamc@360 1068 ()
adamc@360 1069 else
adamc@360 1070 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 1071 xml
adamc@360 1072 end)
adamc@360 1073 | XML_BEGIN XML_END (let
adamc@360 1074 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1075 in
adamc@360 1076 if XML_BEGIN = "xml" then
adamc@360 1077 ()
adamc@360 1078 else
adamc@360 1079 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1080 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1081 (EPrim (Prim.String ""), loc)),
adamc@360 1082 loc)
adamc@360 1083 end)
adamc@360 1084 | XML_BEGIN_END (let
adamc@360 1085 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 1086 in
adamc@360 1087 if XML_BEGIN_END = "xml" then
adamc@360 1088 ()
adamc@360 1089 else
adamc@360 1090 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1091 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1092 (EPrim (Prim.String ""), loc)),
adamc@360 1093 loc)
adamc@360 1094 end)
adamc@302 1095
adamc@204 1096 | LPAREN query RPAREN (query)
adamc@300 1097 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 1098 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 1099
adamc@302 1100 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 1101 (let
adamc@302 1102 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 1103
adamc@403 1104 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 1105 val e = (EApp (e, texp), loc)
adamc@302 1106 in
adamc@302 1107 if length fields <> length sqlexps then
adamc@302 1108 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 1109 else
adamc@302 1110 ();
adamc@302 1111 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 1112 end)
adamc@310 1113 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 1114 (let
adamc@303 1115 val loc = s (LPARENleft, RPARENright)
adamc@303 1116
adamc@403 1117 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 1118 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@632 1119 val e = (EDisjointApp e, loc)
adamc@306 1120 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 1121 val e = (EApp (e, texp), loc)
adamc@303 1122 in
adamc@303 1123 (EApp (e, sqlexp), loc)
adamc@303 1124 end)
adamc@310 1125 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 1126 (let
adamc@304 1127 val loc = s (LPARENleft, RPARENright)
adamc@304 1128
adamc@403 1129 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 1130 val e = (EApp (e, texp), loc)
adamc@304 1131 in
adamc@304 1132 (EApp (e, sqlexp), loc)
adamc@304 1133 end)
adamc@302 1134
adamc@211 1135 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 1136
adamc@446 1137 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 1138
adamc@446 1139 edecls : ([])
adamc@446 1140 | edecl edecls (edecl :: edecls)
adamc@446 1141
adamc@446 1142 edecl : VAL vali ((EDVal vali, s (VALleft, valiright)))
adamc@446 1143 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 1144 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 1145
adamc@310 1146 enterDml : (inDml := true)
adamc@310 1147 leaveDml : (inDml := false)
adamc@310 1148
adamc@403 1149 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 1150 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 1151
adamc@302 1152 fields : fident ([fident])
adamc@302 1153 | fident COMMA fields (fident :: fields)
adamc@302 1154
adamc@302 1155 sqlexps: sqlexp ([sqlexp])
adamc@302 1156 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1157
adamc@303 1158 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1159 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1160
adamc@200 1161 idents : ident ([ident])
adamc@200 1162 | ident DOT idents (ident :: idents)
adamc@200 1163
adamc@195 1164 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1165 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1166
adamc@170 1167 branch : pat DARROW eexp (pat, eexp)
adamc@170 1168
adamc@170 1169 branchs: ([])
adamc@170 1170 | BAR branch branchs (branch :: branchs)
adamc@170 1171
adamc@170 1172 pat : pterm (pterm)
adamc@170 1173 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1174
adamc@170 1175 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1176 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1177 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1178 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 1179 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 1180 | LPAREN pat RPAREN (pat)
adamc@174 1181 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1182 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1183 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1184 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1185 false),
adamc@195 1186 s (LPARENleft, RPARENright))
adamc@174 1187
adamc@175 1188 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1189 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1190 | DOTDOTDOT ([], true)
adamc@175 1191 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1192 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1193
adamc@195 1194 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1195 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1196
adamc@12 1197 rexp : ([])
adamc@12 1198 | ident EQ eexp ([(ident, eexp)])
adamc@12 1199 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1200
adamc@141 1201 xml : xmlOne xml (let
adamc@141 1202 val pos = s (xmlOneleft, xmlright)
adamc@141 1203 in
adamc@141 1204 (EApp ((EApp (
adamc@403 1205 (EVar (["Basis"], "join", Infer), pos),
adamc@91 1206 xmlOne), pos),
adamc@141 1207 xml), pos)
adamc@141 1208 end)
adamc@141 1209 | xmlOne (xmlOne)
adamc@91 1210
adamc@403 1211 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1212 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1213 s (NOTAGSleft, NOTAGSright))
adamc@141 1214 | tag DIVIDE GT (let
adamc@141 1215 val pos = s (tagleft, GTright)
adamc@710 1216
adamc@710 1217 val cdata =
adamc@710 1218 if #1 tag = "submit" orelse #1 tag = "dyn" then
adamc@710 1219 let
adamc@710 1220 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710 1221 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710 1222 in
adamc@710 1223 (ECApp (e, (CRecord [], pos)), pos)
adamc@710 1224 end
adamc@710 1225 else
adamc@710 1226 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710 1227
adamc@710 1228 val cdata = (EApp (cdata,
adamc@710 1229 (EPrim (Prim.String ""), pos)),
adamc@710 1230 pos)
adamc@141 1231 in
adamc@710 1232 (EApp (#2 tag, cdata), pos)
adamc@141 1233 end)
adamc@141 1234
adamc@141 1235 | tag GT xml END_TAG (let
adamc@141 1236 val pos = s (tagleft, GTright)
adamc@325 1237 val et = tagIn END_TAG
adamc@141 1238 in
adamc@325 1239 if #1 tag = et then
adamc@361 1240 if et = "form" then
adamc@403 1241 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@141 1242 xml), pos)
adamc@141 1243 else
adamc@141 1244 (EApp (#2 tag, xml), pos)
adamc@141 1245 else
adamc@325 1246 (if ErrorMsg.anyErrors () then
adamc@325 1247 ()
adamc@325 1248 else
adamc@325 1249 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@623 1250 (EWild, pos))
adamc@141 1251 end)
adamc@141 1252 | LBRACE eexp RBRACE (eexp)
adamc@391 1253 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1254 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1255 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1256 in
adamc@391 1257 (EApp (e, eexp), loc)
adamc@391 1258 end)
adamc@92 1259
adamc@141 1260 tag : tagHead attrs (let
adamc@141 1261 val pos = s (tagHeadleft, attrsright)
adamc@141 1262 in
adamc@141 1263 (#1 tagHead,
adamc@403 1264 (EApp ((EApp ((EVar (["Basis"], "tag", Infer), pos),
adamc@141 1265 (ERecord attrs, pos)), pos),
adamc@141 1266 (EApp (#2 tagHead,
adamc@141 1267 (ERecord [], pos)), pos)),
adamc@141 1268 pos))
adamc@141 1269 end)
adamc@141 1270
adamc@141 1271 tagHead: BEGIN_TAG (let
adamc@325 1272 val bt = tagIn BEGIN_TAG
adamc@141 1273 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1274 in
adamc@325 1275 (bt,
adamc@473 1276 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1277 end)
adamc@141 1278 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1279
adamc@104 1280 attrs : ([])
adamc@104 1281 | attr attrs (attr :: attrs)
adamc@104 1282
adamc@204 1283 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 1284
adamc@104 1285 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1286 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1287 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1288 | LBRACE eexp RBRACE (eexp)
adamc@226 1289
adamc@232 1290 query : query1 obopt lopt ofopt (let
adamc@229 1291 val loc = s (query1left, query1right)
adamc@230 1292
adamc@230 1293 val re = (ERecord [((CName "Rows", loc),
adamc@230 1294 query1),
adamc@230 1295 ((CName "OrderBy", loc),
adamc@231 1296 obopt),
adamc@231 1297 ((CName "Limit", loc),
adamc@232 1298 lopt),
adamc@232 1299 ((CName "Offset", loc),
adamc@232 1300 ofopt)], loc)
adamc@229 1301 in
adamc@403 1302 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1303 end)
adamc@204 1304
adamc@227 1305 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 1306 (let
adamc@204 1307 val loc = s (SELECTleft, tablesright)
adamc@207 1308
adamc@233 1309 val (sel, exps) =
adamc@207 1310 case select of
adamc@233 1311 Star => (map (fn (nm, _) =>
adamc@233 1312 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1313 loc),
adamc@233 1314 (CRecord [], loc)],
adamc@233 1315 loc))) tables,
adamc@233 1316 [])
adamc@207 1317 | Items sis =>
adamc@207 1318 let
adamc@207 1319 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 1320 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 1321 in
adamc@233 1322 (map (fn (nm, c) => (nm,
adamc@233 1323 (CTuple [c,
adamc@233 1324 (CWild (KRecord (KType, loc), loc),
adamc@233 1325 loc)], loc))) tabs,
adamc@233 1326 exps)
adamc@207 1327 end
adamc@207 1328
adamc@207 1329 val sel = (CRecord sel, loc)
adamc@207 1330
adamc@226 1331 val grp = case gopt of
adamc@403 1332 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1333 Infer), loc),
adamc@226 1334 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1335 loc), loc)), loc)
adamc@226 1336 | SOME gis =>
adamc@226 1337 let
adamc@226 1338 val tabs = map (fn (nm, _) =>
adamc@226 1339 (nm, (CRecord [], loc))) tables
adamc@226 1340 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1341
adamc@226 1342 val tabs = map (fn (nm, c) =>
adamc@226 1343 (nm,
adamc@226 1344 (CTuple [c,
adamc@226 1345 (CWild (KRecord (KType, loc),
adamc@226 1346 loc),
adamc@226 1347 loc)], loc))) tabs
adamc@226 1348 in
adamc@403 1349 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1350 (CRecord tabs, loc)), loc)
adamc@226 1351 end
adamc@226 1352
adamc@403 1353 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@209 1354 val re = (ERecord [((CName "From", loc),
adamc@209 1355 (ERecord tables, loc)),
adamc@209 1356 ((CName "Where", loc),
adamc@223 1357 wopt),
adamc@224 1358 ((CName "GroupBy", loc),
adamc@226 1359 grp),
adamc@224 1360 ((CName "Having", loc),
adamc@224 1361 hopt),
adamc@223 1362 ((CName "SelectFields", loc),
adamc@403 1363 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1364 sel), loc)),
adamc@233 1365 ((CName "SelectExps", loc),
adamc@233 1366 (ERecord exps, loc))], loc)
adamc@223 1367
adamc@209 1368 val e = (EApp (e, re), loc)
adamc@204 1369 in
adamc@207 1370 e
adamc@204 1371 end)
adamc@229 1372 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1373 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1374 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1375
adamc@204 1376 tables : table ([table])
adamc@204 1377 | table COMMA tables (table :: tables)
adamc@204 1378
adamc@204 1379 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1380 | LBRACE cexp RBRACE (cexp)
adamc@204 1381
adamc@243 1382 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1383 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1384 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1385 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1386
adamc@243 1387 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1388 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1389 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1390
adamc@207 1391 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1392 | LBRACE cexp RBRACE (cexp)
adamc@207 1393
adamc@207 1394 seli : tident DOT fident (Field (tident, fident))
adamc@233 1395 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1396 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1397
adamc@207 1398 selis : seli ([seli])
adamc@207 1399 | seli COMMA selis (seli :: selis)
adamc@207 1400
adamc@207 1401 select : STAR (Star)
adamc@207 1402 | selis (Items selis)
adamc@209 1403
adamc@403 1404 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1405 s (TRUEleft, TRUEright)))
adamc@403 1406 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1407 s (FALSEleft, FALSEright)))
adamc@209 1408
adamc@222 1409 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1410 s (INTleft, INTright)))
adamc@222 1411 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1412 s (FLOATleft, FLOATright)))
adamc@229 1413 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1414 s (STRINGleft, STRINGright)))
adamc@441 1415 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1416 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1417
adamc@221 1418 | tident DOT fident (let
adamc@221 1419 val loc = s (tidentleft, fidentright)
adamc@403 1420 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1421 val e = (ECApp (e, tident), loc)
adamc@221 1422 in
adamc@221 1423 (ECApp (e, fident), loc)
adamc@221 1424 end)
adamc@234 1425 | CSYMBOL (let
adamc@234 1426 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1427 in
adamc@310 1428 if !inDml then
adamc@310 1429 let
adamc@403 1430 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1431 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1432 in
adamc@310 1433 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1434 end
adamc@310 1435 else
adamc@310 1436 let
adamc@403 1437 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1438 in
adamc@310 1439 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1440 end
adamc@310 1441 end)
adamc@221 1442
adamc@471 1443 | LBRACE eexp RBRACE (eexp)
adamc@470 1444
adamc@559 1445 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1446 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1447 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1448 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1449 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1450 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1451
adamc@559 1452 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1453 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1454 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1455 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1456 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1457
adamc@220 1458 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1459 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1460
adamc@220 1461 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1462 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1463
adamc@470 1464 | sqlexp IS NULL (let
adamc@470 1465 val loc = s (sqlexpleft, NULLright)
adamc@470 1466 in
adamc@470 1467 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1468 sqlexp), loc)
adamc@470 1469 end)
adamc@470 1470
adamc@471 1471 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1472 s (LBRACEleft, RBRACEright)))
adamc@220 1473 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1474
adamc@467 1475 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1476 s (NULLleft, NULLright))))
adamc@467 1477
adamc@235 1478 | COUNT LPAREN STAR RPAREN (let
adamc@235 1479 val loc = s (COUNTleft, RPARENright)
adamc@235 1480 in
adamc@544 1481 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1482 end)
adamc@236 1483 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1484 val loc = s (sqlaggleft, RPARENright)
adamc@236 1485
adamc@403 1486 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1487 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1488 e), loc)
adamc@236 1489 in
adamc@236 1490 (EApp (e, sqlexp), loc)
adamc@236 1491 end)
adamc@235 1492
adamc@403 1493 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1494 dummy))
adamc@209 1495 | CWHERE sqlexp (sqlexp)
adamc@226 1496
adamc@226 1497 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1498
adamc@226 1499 groupis: groupi ([groupi])
adamc@226 1500 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1501
adamc@226 1502 gopt : (NONE)
adamc@226 1503 | GROUP BY groupis (SOME groupis)
adamc@227 1504
adamc@403 1505 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1506 dummy))
adamc@227 1507 | HAVING sqlexp (sqlexp)
adamc@230 1508
adamc@403 1509 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1510 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1511 dummy)
adamc@230 1512 | ORDER BY obexps (obexps)
adamc@230 1513
adamc@268 1514 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1515
adamc@268 1516 obexps : obitem (let
adamc@268 1517 val loc = s (obitemleft, obitemright)
adamc@230 1518
adamc@403 1519 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1520 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1521 loc)
adamc@403 1522 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1523 #1 obitem), loc)
adamc@268 1524 val e = (EApp (e, #2 obitem), loc)
adamc@230 1525 in
adamc@230 1526 (EApp (e, e'), loc)
adamc@230 1527 end)
adamc@268 1528 | obitem COMMA obexps (let
adamc@268 1529 val loc = s (obitemleft, obexpsright)
adamc@230 1530
adamc@403 1531 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1532 #1 obitem), loc)
adamc@268 1533 val e = (EApp (e, #2 obitem), loc)
adamc@230 1534 in
adamc@230 1535 (EApp (e, obexps), loc)
adamc@230 1536 end)
adamc@231 1537
adamc@403 1538 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1539 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1540 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1541
adamc@403 1542 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1543 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1544 | LIMIT sqlint (let
adamc@231 1545 val loc = s (LIMITleft, sqlintright)
adamc@231 1546 in
adamc@403 1547 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1548 end)
adamc@231 1549
adamc@403 1550 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1551 | OFFSET sqlint (let
adamc@232 1552 val loc = s (OFFSETleft, sqlintright)
adamc@232 1553 in
adamc@403 1554 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1555 end)
adamc@232 1556
adamc@231 1557 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1558 | LBRACE eexp RBRACE (eexp)
adamc@236 1559
adamc@236 1560 sqlagg : AVG ("avg")
adamc@236 1561 | SUM ("sum")
adamc@236 1562 | MIN ("min")
adamc@236 1563 | MAX ("max")