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author Adam Chlipala <adamc@hcoop.net>
date Sun, 12 Apr 2009 10:08:11 -0400
parents e28637743279
children 5c099b1308ae
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@718 197 | COOKIE | STYLE
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@718 454 | STYLE SYMBOL COLON cexp ([(DStyle (SYMBOL, cexp), s (STYLEleft, cexpright))])
adamc@30 455
adamc@240 456 kopt : (NONE)
adamc@240 457 | DCOLON kind (SOME kind)
adamc@240 458
adamc@191 459 dargs : ([])
adamc@191 460 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 461
adamc@156 462 barOpt : ()
adamc@156 463 | BAR ()
adamc@156 464
adamc@156 465 dcons : dcon ([dcon])
adamc@156 466 | dcon BAR dcons (dcon :: dcons)
adamc@156 467
adamc@156 468 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 469 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 470
adamc@242 471 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 472 val loc = s (SYMBOLleft, eexpright)
adamc@242 473 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 474
adamc@242 475 val (e, t) = eargl2 (eexp, t)
adamc@242 476 in
adamc@242 477 (SYMBOL, SOME t, e)
adamc@242 478 end)
adamc@242 479
adamc@242 480 copt : (NONE)
adamc@242 481 | COLON cexp (SOME cexp)
adamc@123 482
adamc@704 483 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704 484 | csts (csts)
adamc@704 485
adamc@704 486 csts : CCONSTRAINT tname cst (let
adamc@704 487 val loc = s (CCONSTRAINTleft, cstright)
adamc@704 488
adamc@704 489 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704 490 val e = (ECApp (e, tname), loc)
adamc@704 491 in
adamc@704 492 (EApp (e, cst), loc)
adamc@704 493 end)
adamc@704 494 | csts COMMA csts (let
adamc@704 495 val loc = s (csts1left, csts2right)
adamc@704 496
adamc@704 497 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704 498 val e = (EApp (e, csts1), loc)
adamc@704 499 in
adamc@704 500 (EApp (e, csts2), loc)
adamc@704 501 end)
adamc@704 502 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704 503
adamc@704 504 cst : UNIQUE tnames (let
adamc@704 505 val loc = s (UNIQUEleft, tnamesright)
adamc@704 506
adamc@704 507 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705 508 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705 509 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@705 510 val e = (EDisjointApp e, loc)
adamc@704 511 in
adamc@704 512 (EDisjointApp e, loc)
adamc@704 513 end)
adamc@709 514
adamc@714 515 | CHECK sqlexp (let
adamc@714 516 val loc = s (CHECKleft, sqlexpright)
adamc@714 517 in
adamc@714 518 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714 519 sqlexp), loc)
adamc@714 520 end)
adamc@714 521
adamc@709 522 | FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709 523 (let
adamc@709 524 val loc = s (FOREIGNleft, pmodesright)
adamc@709 525
adamc@709 526 val mat = ListPair.foldrEq
adamc@709 527 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709 528 let
adamc@709 529 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709 530 val e = (ECApp (e, nm1), loc)
adamc@709 531 val e = (ECApp (e, nm2), loc)
adamc@709 532 val e = (EDisjointApp e, loc)
adamc@709 533 val e = (EDisjointApp e, loc)
adamc@712 534 val e = (EApp (e, (EWild, loc)), loc)
adamc@709 535 in
adamc@709 536 (EApp (e, mat), loc)
adamc@709 537 end)
adamc@709 538 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709 539 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adamc@709 540
adamc@709 541 fun findMode mode =
adamc@709 542 let
adamc@709 543 fun findMode' pmodes =
adamc@709 544 case pmodes of
adamc@709 545 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709 546 | (mode', rule) :: pmodes' =>
adamc@709 547 if mode' = mode then
adamc@709 548 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709 549 pmodes' then
adamc@709 550 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709 551 else
adamc@709 552 ();
adamc@709 553 rule)
adamc@709 554 else
adamc@709 555 findMode' pmodes'
adamc@709 556 in
adamc@709 557 findMode' pmodes
adamc@709 558 end
adamc@709 559
adamc@709 560 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709 561 val e = (EApp (e, mat), loc)
adamc@709 562 val e = (EApp (e, texp), loc)
adamc@709 563 in
adamc@709 564 (EApp (e, (ERecord [((CName "OnDelete", loc),
adamc@709 565 findMode Delete),
adamc@709 566 ((CName "OnUpdate", loc),
adamc@709 567 findMode Update)], loc)), loc)
adamc@709 568 end)
adamc@709 569
adamc@704 570 | LBRACE eexp RBRACE (eexp)
adamc@704 571
adamc@704 572 tnameW : tname (let
adamc@704 573 val loc = s (tnameleft, tnameright)
adamc@704 574 in
adamc@704 575 (tname, (CWild (KType, loc), loc))
adamc@704 576 end)
adamc@704 577
adamc@705 578 tnames : tnameW (tnameW, [])
adamc@705 579 | LPAREN tnames' RPAREN (tnames')
adamc@704 580
adamc@705 581 tnames': tnameW (tnameW, [])
adamc@705 582 | tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704 583
adamc@709 584 pmode : ON pkind prule (pkind, prule)
adamc@709 585
adamc@709 586 pkind : DELETE (Delete)
adamc@709 587 | UPDATE (Update)
adamc@709 588
adamc@709 589 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709 590 | RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709 591 | CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709 592 | SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709 593
adamc@709 594 pmodes : ([])
adamc@709 595 | pmode pmodes (pmode :: pmodes)
adamc@709 596
adamc@707 597 commaOpt: ()
adamc@707 598 | COMMA ()
adamc@707 599
adamc@707 600 pkopt : (EVar (["Basis"], "no_primary_key", Infer), ErrorMsg.dummySpan)
adamc@707 601 | PRIMARY KEY tnames (let
adamc@707 602 val loc = s (PRIMARYleft, tnamesright)
adamc@707 603
adamc@707 604 val e = (EVar (["Basis"], "primary_key", Infer), loc)
adamc@707 605 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707 606 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707 607 val e = (EDisjointApp e, loc)
adamc@707 608 val e = (EDisjointApp e, loc)
adamc@707 609
adamc@707 610 val witness = map (fn (c, _) =>
adamc@707 611 (c, (EWild, loc)))
adamc@707 612 (#1 tnames :: #2 tnames)
adamc@707 613 val witness = (ERecord witness, loc)
adamc@707 614 in
adamc@707 615 (EApp (e, witness), loc)
adamc@707 616 end)
adamc@707 617
adamc@123 618 valis : vali ([vali])
adamc@123 619 | vali AND valis (vali :: valis)
adamc@123 620
adamc@42 621 sgn : sgntm (sgntm)
adamc@40 622 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 623 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 624
adamc@42 625 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 626 | mpath (case mpath of
adamc@61 627 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 628 | [x] => SgnVar x
adamc@59 629 | m :: ms => SgnProj (m,
adamc@59 630 List.take (ms, length ms - 1),
adamc@59 631 List.nth (ms, length ms - 1)),
adamc@59 632 s (mpathleft, mpathright))
adamc@42 633 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 634 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 635 | LPAREN sgn RPAREN (sgn)
adamc@42 636
adamc@706 637 sgi : CON SYMBOL DCOLON kind ((SgiConAbs (SYMBOL, kind), s (CONleft, kindright)))
adamc@706 638 | LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706 639 s (LTYPEleft, SYMBOLright)))
adamc@706 640 | CON SYMBOL EQ cexp ((SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)))
adamc@706 641 | CON SYMBOL DCOLON kind EQ cexp ((SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)))
adamc@706 642 | LTYPE SYMBOL EQ cexp ((SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@706 643 s (LTYPEleft, cexpright)))
adamc@706 644 | DATATYPE SYMBOL dargs EQ barOpt dcons((SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright)))
adamc@191 645 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 646 (case dargs of
adamc@191 647 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 648 | _ => raise Fail "Arguments specified for imported datatype")
adamc@706 649 | VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30 650
adamc@706 651 | STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706 652 | SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42 653 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706 654 ((SgiStr (CSYMBOL1,
adamc@706 655 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706 656 s (FUNCTORleft, sgn2right)))
adamc@706 657 | INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706 658 | CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707 659 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707 660 val loc = s (TABLEleft, ctermright)
adamc@707 661 in
adamc@707 662 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707 663 end)
adamc@460 664 | SEQUENCE SYMBOL (let
adamc@460 665 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 666 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 667 in
adamc@460 668 (SgiVal (SYMBOL, t), loc)
adamc@460 669 end)
adamc@563 670 | CLASS SYMBOL (let
adamc@563 671 val loc = s (CLASSleft, SYMBOLright)
adamc@711 672 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563 673 in
adamc@711 674 (SgiClassAbs (SYMBOL, k), loc)
adamc@563 675 end)
adamc@563 676 | CLASS SYMBOL DCOLON kind (let
adamc@563 677 val loc = s (CLASSleft, kindright)
adamc@563 678 in
adamc@563 679 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 680 end)
adamc@563 681 | CLASS SYMBOL EQ cexp (let
adamc@563 682 val loc = s (CLASSleft, cexpright)
adamc@563 683 in
adamc@563 684 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 685 end)
adamc@563 686 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 687 val loc = s (CLASSleft, cexpright)
adamc@563 688 in
adamc@563 689 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 690 end)
adamc@211 691 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 692 val loc = s (CLASSleft, cexpright)
adamc@563 693 val k = (KWild, loc)
adamc@211 694 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 695 in
adamc@563 696 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 697 end)
adamc@563 698 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 699 val loc = s (CLASSleft, cexpright)
adamc@563 700 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 701 in
adamc@563 702 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 703 end)
adamc@460 704 | COOKIE SYMBOL COLON cexp (let
adamc@460 705 val loc = s (COOKIEleft, cexpright)
adamc@460 706 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 707 entable cexp), loc)
adamc@460 708 in
adamc@460 709 (SgiVal (SYMBOL, t), loc)
adamc@460 710 end)
adamc@718 711 | STYLE SYMBOL COLON cexp (let
adamc@718 712 val loc = s (STYLEleft, cexpright)
adamc@718 713 val t = (CApp ((CVar (["Basis"], "css_class"), loc),
adamc@718 714 cexp), loc)
adamc@718 715 in
adamc@718 716 (SgiVal (SYMBOL, t), loc)
adamc@718 717 end)
adamc@30 718
adamc@30 719 sgis : ([])
adamc@30 720 | sgi sgis (sgi :: sgis)
adamc@30 721
adamc@30 722 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 723 | spath (spath)
adamc@40 724 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 725 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 726 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 727 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 728 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 729
adamc@34 730 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 731 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 732
adamc@1 733 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 734 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 735 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 736 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 737 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 738 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 739 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 740 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 741 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 742 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 743
adamc@207 744 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 745 | kind STAR ktuple (kind :: ktuple)
adamc@1 746
adamc@1 747 capps : cterm (cterm)
adamc@1 748 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 749
adamc@1 750 cexp : capps (capps)
adamc@1 751 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 752 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 753 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 754
adamc@1 755 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 756
adamc@239 757 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 758 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 759 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 760
adamc@8 761 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 762
adamc@18 763 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 764 | ctuple (let
adamc@195 765 val loc = s (ctupleleft, ctupleright)
adamc@195 766 in
adamc@195 767 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 768 ((CName (Int.toString (i + 1)), loc),
adamc@195 769 c)) ctuple),
adamc@195 770 loc), loc)
adamc@195 771 end)
adamc@18 772
adamc@1 773 kcolon : DCOLON (Explicit)
adamc@1 774 | TCOLON (Implicit)
adamc@1 775
adamc@239 776 cargs : carg (carg)
adamc@239 777 | cargl (cargl)
adamc@239 778
adamc@239 779 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 780 | cargp cargl (cargp o cargl)
adamc@239 781
adamc@240 782 cargl2 : (fn x => x)
adamc@240 783 | cargp cargl2 (cargp o cargl2)
adamc@240 784
adamc@241 785 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 786 let
adamc@239 787 val loc = s (SYMBOLleft, kindright)
adamc@239 788 in
adamc@239 789 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 790 (KArrow (kind, k), loc))
adamc@239 791 end)
adamc@329 792 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 793 let
adamc@329 794 val loc = s (UNDERleft, kindright)
adamc@329 795 in
adamc@329 796 ((CAbs ("_", SOME kind, c), loc),
adamc@329 797 (KArrow (kind, k), loc))
adamc@329 798 end)
adamc@241 799 | cargp (cargp)
adamc@239 800
adamc@239 801 cargp : SYMBOL (fn (c, k) =>
adamc@239 802 let
adamc@239 803 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 804 in
adamc@239 805 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 806 (KArrow ((KWild, loc), k), loc))
adamc@239 807 end)
adamc@329 808 | UNDER (fn (c, k) =>
adamc@329 809 let
adamc@329 810 val loc = s (UNDERleft, UNDERright)
adamc@329 811 in
adamc@329 812 ((CAbs ("_", NONE, c), loc),
adamc@329 813 (KArrow ((KWild, loc), k), loc))
adamc@329 814 end)
adamc@239 815 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 816 let
adamc@239 817 val loc = s (LPARENleft, RPARENright)
adamc@239 818 in
adamc@239 819 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 820 (KArrow (kind, k), loc))
adamc@239 821 end)
adamc@628 822
adamc@239 823
adamc@34 824 path : SYMBOL ([], SYMBOL)
adamc@34 825 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 826
adamc@156 827 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 828 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 829
adamc@59 830 mpath : CSYMBOL ([CSYMBOL])
adamc@59 831 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 832
adamc@1 833 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 834 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 835 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 836 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 837 s (LBRACEleft, RBRACEright))
adamc@1 838 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 839 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 840 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 841
adamc@34 842 | path (CVar path, s (pathleft, pathright))
adamc@207 843 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 844 s (pathleft, INTright))
adamc@18 845 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 846 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 847 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 848 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 849
adamc@207 850 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 851 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 852
adamc@196 853 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 854 | capps STAR ctuple (capps :: ctuple)
adamc@195 855
adamc@1 856 rcon : ([])
adamc@1 857 | ident EQ cexp ([(ident, cexp)])
adamc@1 858 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 859
adamc@83 860 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 861 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 862
adamc@1 863 rcone : ([])
adamc@1 864 | ident COLON cexp ([(ident, cexp)])
adamc@1 865 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 866
adamc@1 867 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 868 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 869 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 870
adamc@8 871 eapps : eterm (eterm)
adamc@8 872 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 873 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 874 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 875
adamc@8 876 eexp : eapps (eapps)
adamc@241 877 | FN eargs DARROW eexp (let
adamc@93 878 val loc = s (FNleft, eexpright)
adamc@93 879 in
adamc@241 880 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 881 end)
adamc@623 882 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 883 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 884 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 885 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 886 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 887 | IF eexp THEN eexp ELSE eexp (let
adamc@190 888 val loc = s (IFleft, eexp3right)
adamc@190 889 in
adamc@190 890 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 891 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 892 end)
adamc@434 893 | bind SEMI eexp (let
adamc@434 894 val loc = s (bindleft, eexpright)
adamc@434 895 val (v, to, e1) = bind
adamc@403 896 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 897 val e = (EApp (e, e1), loc)
adamc@243 898 in
adamc@434 899 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 900 end)
adamc@256 901 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 902 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 903 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 904 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 905 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 906 | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
adamc@389 907 | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 908 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 909
adamc@391 910 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 911 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 912 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 913 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 914
adamc@445 915 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 916
adamc@674 917 | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674 918
adamc@434 919 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 920 | UNIT LARROW eapps (let
adamc@434 921 val loc = s (UNITleft, eappsright)
adamc@434 922 in
adamc@434 923 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 924 end)
adamc@434 925 | eapps (let
adamc@434 926 val loc = s (eappsleft, eappsright)
adamc@434 927 in
adamc@434 928 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 929 end)
adamc@434 930
adamc@241 931 eargs : earg (earg)
adamc@241 932 | eargl (eargl)
adamc@241 933
adamc@241 934 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 935 | eargp eargl (eargp o eargl)
adamc@241 936
adamc@242 937 eargl2 : (fn x => x)
adamc@242 938 | eargp eargl2 (eargp o eargl2)
adamc@242 939
adamc@241 940 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 941 let
adamc@241 942 val loc = s (SYMBOLleft, kindright)
adamc@241 943 in
adamc@241 944 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 945 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 946 end)
adamc@241 947 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 948 let
adamc@241 949 val loc = s (SYMBOLleft, cexpright)
adamc@241 950 in
adamc@241 951 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 952 (TFun (cexp, t), loc))
adamc@241 953 end)
adamc@241 954 | UNDER COLON cexp (fn (e, t) =>
adamc@241 955 let
adamc@241 956 val loc = s (UNDERleft, cexpright)
adamc@241 957 in
adamc@241 958 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 959 (TFun (cexp, t), loc))
adamc@241 960 end)
adamc@241 961 | eargp (eargp)
adamc@241 962
adamc@241 963 eargp : SYMBOL (fn (e, t) =>
adamc@241 964 let
adamc@241 965 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 966 in
adamc@241 967 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 968 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 969 end)
adamc@241 970 | UNIT (fn (e, t) =>
adamc@241 971 let
adamc@241 972 val loc = s (UNITleft, UNITright)
adamc@241 973 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 974 in
adamc@241 975 ((EAbs ("_", SOME t', e), loc),
adamc@241 976 (TFun (t', t), loc))
adamc@241 977 end)
adamc@241 978 | UNDER (fn (e, t) =>
adamc@241 979 let
adamc@241 980 val loc = s (UNDERleft, UNDERright)
adamc@241 981 in
adamc@241 982 ((EAbs ("_", NONE, e), loc),
adamc@241 983 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 984 end)
adamc@241 985 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 986 let
adamc@241 987 val loc = s (LPARENleft, RPARENright)
adamc@241 988 in
adamc@241 989 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 990 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 991 end)
adamc@241 992 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 993 let
adamc@241 994 val loc = s (LPARENleft, RPARENright)
adamc@241 995 in
adamc@241 996 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 997 (TFun (cexp, t), loc))
adamc@241 998 end)
adamc@241 999 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 1000 let
adamc@241 1001 val loc = s (LPARENleft, RPARENright)
adamc@241 1002 in
adamc@241 1003 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 1004 (TFun (cexp, t), loc))
adamc@241 1005 end)
adamc@478 1006 | LPAREN cexp TWIDDLE cexp RPAREN (fn (e, t) =>
adamc@354 1007 let
adamc@354 1008 val loc = s (LPARENleft, RPARENright)
adamc@354 1009 in
adamc@478 1010 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1011 (TDisjoint (cexp1, cexp2, t), loc))
adamc@354 1012 end)
adamc@478 1013 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 1014 let
adamc@356 1015 val loc = s (LBRACKleft, RBRACKright)
adamc@356 1016 in
adamc@478 1017 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1018 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 1019 end)
adamc@623 1020 | CSYMBOL (fn (e, t) =>
adamc@623 1021 let
adamc@623 1022 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 1023 in
adamc@623 1024 ((EKAbs (CSYMBOL, e), loc),
adamc@623 1025 (TKFun (CSYMBOL, t), loc))
adamc@623 1026 end)
adamc@241 1027
adamc@8 1028 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 1029 | LPAREN etuple RPAREN (let
adamc@195 1030 val loc = s (LPARENleft, RPARENright)
adamc@195 1031 in
adamc@195 1032 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 1033 ((CName (Int.toString (i + 1)), loc),
adamc@195 1034 e)) etuple), loc)
adamc@195 1035 end)
adamc@8 1036
adamc@403 1037 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 1038 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 1039 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 1040 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 1041 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 1042 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 1043 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 1044 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 1045
adamc@14 1046 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 1047 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 1048 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 1049
adamc@200 1050 | path DOT idents (let
adamc@200 1051 val loc = s (pathleft, identsright)
adamc@200 1052 in
adamc@200 1053 foldl (fn (ident, e) =>
adamc@200 1054 (EField (e, ident), loc))
adamc@403 1055 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 1056 end)
adamc@403 1057 | AT path DOT idents (let
adamc@403 1058 val loc = s (ATleft, identsright)
adamc@403 1059 in
adamc@403 1060 foldl (fn (ident, e) =>
adamc@403 1061 (EField (e, ident), loc))
adamc@403 1062 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 1063 end)
adamc@403 1064 | AT AT path DOT idents (let
adamc@403 1065 val loc = s (AT1left, identsright)
adamc@403 1066 in
adamc@403 1067 foldl (fn (ident, e) =>
adamc@403 1068 (EField (e, ident), loc))
adamc@403 1069 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 1070 end)
adamc@71 1071
adamc@360 1072 | XML_BEGIN xml XML_END (let
adamc@360 1073 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1074 in
adamc@360 1075 if XML_BEGIN = "xml" then
adamc@360 1076 ()
adamc@360 1077 else
adamc@360 1078 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 1079 xml
adamc@360 1080 end)
adamc@360 1081 | XML_BEGIN XML_END (let
adamc@360 1082 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1083 in
adamc@360 1084 if XML_BEGIN = "xml" then
adamc@360 1085 ()
adamc@360 1086 else
adamc@360 1087 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1088 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1089 (EPrim (Prim.String ""), loc)),
adamc@360 1090 loc)
adamc@360 1091 end)
adamc@360 1092 | XML_BEGIN_END (let
adamc@360 1093 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 1094 in
adamc@360 1095 if XML_BEGIN_END = "xml" then
adamc@360 1096 ()
adamc@360 1097 else
adamc@360 1098 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1099 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1100 (EPrim (Prim.String ""), loc)),
adamc@360 1101 loc)
adamc@360 1102 end)
adamc@302 1103
adamc@204 1104 | LPAREN query RPAREN (query)
adamc@300 1105 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 1106 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 1107
adamc@302 1108 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 1109 (let
adamc@302 1110 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 1111
adamc@403 1112 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 1113 val e = (EApp (e, texp), loc)
adamc@302 1114 in
adamc@302 1115 if length fields <> length sqlexps then
adamc@302 1116 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 1117 else
adamc@302 1118 ();
adamc@302 1119 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 1120 end)
adamc@310 1121 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 1122 (let
adamc@303 1123 val loc = s (LPARENleft, RPARENright)
adamc@303 1124
adamc@403 1125 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 1126 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@632 1127 val e = (EDisjointApp e, loc)
adamc@306 1128 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 1129 val e = (EApp (e, texp), loc)
adamc@303 1130 in
adamc@303 1131 (EApp (e, sqlexp), loc)
adamc@303 1132 end)
adamc@310 1133 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 1134 (let
adamc@304 1135 val loc = s (LPARENleft, RPARENright)
adamc@304 1136
adamc@403 1137 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 1138 val e = (EApp (e, texp), loc)
adamc@304 1139 in
adamc@304 1140 (EApp (e, sqlexp), loc)
adamc@304 1141 end)
adamc@302 1142
adamc@211 1143 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 1144
adamc@446 1145 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 1146
adamc@446 1147 edecls : ([])
adamc@446 1148 | edecl edecls (edecl :: edecls)
adamc@446 1149
adamc@446 1150 edecl : VAL vali ((EDVal vali, s (VALleft, valiright)))
adamc@446 1151 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 1152 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 1153
adamc@310 1154 enterDml : (inDml := true)
adamc@310 1155 leaveDml : (inDml := false)
adamc@310 1156
adamc@403 1157 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 1158 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 1159
adamc@302 1160 fields : fident ([fident])
adamc@302 1161 | fident COMMA fields (fident :: fields)
adamc@302 1162
adamc@302 1163 sqlexps: sqlexp ([sqlexp])
adamc@302 1164 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1165
adamc@303 1166 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1167 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1168
adamc@200 1169 idents : ident ([ident])
adamc@200 1170 | ident DOT idents (ident :: idents)
adamc@200 1171
adamc@195 1172 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1173 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1174
adamc@170 1175 branch : pat DARROW eexp (pat, eexp)
adamc@170 1176
adamc@170 1177 branchs: ([])
adamc@170 1178 | BAR branch branchs (branch :: branchs)
adamc@170 1179
adamc@170 1180 pat : pterm (pterm)
adamc@170 1181 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1182
adamc@170 1183 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1184 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1185 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1186 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 1187 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 1188 | LPAREN pat RPAREN (pat)
adamc@174 1189 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1190 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1191 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1192 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1193 false),
adamc@195 1194 s (LPARENleft, RPARENright))
adamc@174 1195
adamc@175 1196 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1197 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1198 | DOTDOTDOT ([], true)
adamc@175 1199 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1200 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1201
adamc@195 1202 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1203 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1204
adamc@12 1205 rexp : ([])
adamc@12 1206 | ident EQ eexp ([(ident, eexp)])
adamc@12 1207 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1208
adamc@141 1209 xml : xmlOne xml (let
adamc@141 1210 val pos = s (xmlOneleft, xmlright)
adamc@141 1211 in
adamc@141 1212 (EApp ((EApp (
adamc@403 1213 (EVar (["Basis"], "join", Infer), pos),
adamc@91 1214 xmlOne), pos),
adamc@141 1215 xml), pos)
adamc@141 1216 end)
adamc@141 1217 | xmlOne (xmlOne)
adamc@91 1218
adamc@403 1219 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1220 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1221 s (NOTAGSleft, NOTAGSright))
adamc@141 1222 | tag DIVIDE GT (let
adamc@141 1223 val pos = s (tagleft, GTright)
adamc@710 1224
adamc@710 1225 val cdata =
adamc@710 1226 if #1 tag = "submit" orelse #1 tag = "dyn" then
adamc@710 1227 let
adamc@710 1228 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710 1229 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710 1230 in
adamc@710 1231 (ECApp (e, (CRecord [], pos)), pos)
adamc@710 1232 end
adamc@710 1233 else
adamc@710 1234 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710 1235
adamc@710 1236 val cdata = (EApp (cdata,
adamc@710 1237 (EPrim (Prim.String ""), pos)),
adamc@710 1238 pos)
adamc@141 1239 in
adamc@710 1240 (EApp (#2 tag, cdata), pos)
adamc@141 1241 end)
adamc@141 1242
adamc@141 1243 | tag GT xml END_TAG (let
adamc@141 1244 val pos = s (tagleft, GTright)
adamc@325 1245 val et = tagIn END_TAG
adamc@141 1246 in
adamc@325 1247 if #1 tag = et then
adamc@361 1248 if et = "form" then
adamc@403 1249 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@141 1250 xml), pos)
adamc@141 1251 else
adamc@141 1252 (EApp (#2 tag, xml), pos)
adamc@141 1253 else
adamc@325 1254 (if ErrorMsg.anyErrors () then
adamc@325 1255 ()
adamc@325 1256 else
adamc@325 1257 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@623 1258 (EWild, pos))
adamc@141 1259 end)
adamc@141 1260 | LBRACE eexp RBRACE (eexp)
adamc@391 1261 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1262 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1263 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1264 in
adamc@391 1265 (EApp (e, eexp), loc)
adamc@391 1266 end)
adamc@92 1267
adamc@141 1268 tag : tagHead attrs (let
adamc@141 1269 val pos = s (tagHeadleft, attrsright)
adamc@141 1270 in
adamc@141 1271 (#1 tagHead,
adamc@403 1272 (EApp ((EApp ((EVar (["Basis"], "tag", Infer), pos),
adamc@141 1273 (ERecord attrs, pos)), pos),
adamc@141 1274 (EApp (#2 tagHead,
adamc@141 1275 (ERecord [], pos)), pos)),
adamc@141 1276 pos))
adamc@141 1277 end)
adamc@141 1278
adamc@141 1279 tagHead: BEGIN_TAG (let
adamc@325 1280 val bt = tagIn BEGIN_TAG
adamc@141 1281 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1282 in
adamc@325 1283 (bt,
adamc@473 1284 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1285 end)
adamc@141 1286 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1287
adamc@104 1288 attrs : ([])
adamc@104 1289 | attr attrs (attr :: attrs)
adamc@104 1290
adamc@717 1291 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@717 1292 if (SYMBOL = "href" orelse SYMBOL = "src")
adamc@717 1293 andalso (case #1 attrv of
adamc@717 1294 EPrim _ => true
adamc@717 1295 | _ => false) then
adamc@717 1296 let
adamc@717 1297 val loc = s (attrvleft, attrvright)
adamc@717 1298 in
adamc@717 1299 (EApp ((EVar (["Basis"], "bless", Infer), loc),
adamc@717 1300 attrv), loc)
adamc@717 1301 end
adamc@717 1302 else
adamc@717 1303 attrv)
adamc@204 1304
adamc@104 1305 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1306 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1307 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1308 | LBRACE eexp RBRACE (eexp)
adamc@226 1309
adamc@232 1310 query : query1 obopt lopt ofopt (let
adamc@229 1311 val loc = s (query1left, query1right)
adamc@230 1312
adamc@230 1313 val re = (ERecord [((CName "Rows", loc),
adamc@230 1314 query1),
adamc@230 1315 ((CName "OrderBy", loc),
adamc@231 1316 obopt),
adamc@231 1317 ((CName "Limit", loc),
adamc@232 1318 lopt),
adamc@232 1319 ((CName "Offset", loc),
adamc@232 1320 ofopt)], loc)
adamc@229 1321 in
adamc@403 1322 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1323 end)
adamc@204 1324
adamc@227 1325 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 1326 (let
adamc@204 1327 val loc = s (SELECTleft, tablesright)
adamc@207 1328
adamc@233 1329 val (sel, exps) =
adamc@207 1330 case select of
adamc@233 1331 Star => (map (fn (nm, _) =>
adamc@233 1332 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1333 loc),
adamc@233 1334 (CRecord [], loc)],
adamc@233 1335 loc))) tables,
adamc@233 1336 [])
adamc@207 1337 | Items sis =>
adamc@207 1338 let
adamc@207 1339 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 1340 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 1341 in
adamc@233 1342 (map (fn (nm, c) => (nm,
adamc@233 1343 (CTuple [c,
adamc@233 1344 (CWild (KRecord (KType, loc), loc),
adamc@233 1345 loc)], loc))) tabs,
adamc@233 1346 exps)
adamc@207 1347 end
adamc@207 1348
adamc@207 1349 val sel = (CRecord sel, loc)
adamc@207 1350
adamc@226 1351 val grp = case gopt of
adamc@403 1352 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1353 Infer), loc),
adamc@226 1354 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1355 loc), loc)), loc)
adamc@226 1356 | SOME gis =>
adamc@226 1357 let
adamc@226 1358 val tabs = map (fn (nm, _) =>
adamc@226 1359 (nm, (CRecord [], loc))) tables
adamc@226 1360 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1361
adamc@226 1362 val tabs = map (fn (nm, c) =>
adamc@226 1363 (nm,
adamc@226 1364 (CTuple [c,
adamc@226 1365 (CWild (KRecord (KType, loc),
adamc@226 1366 loc),
adamc@226 1367 loc)], loc))) tabs
adamc@226 1368 in
adamc@403 1369 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1370 (CRecord tabs, loc)), loc)
adamc@226 1371 end
adamc@226 1372
adamc@403 1373 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@209 1374 val re = (ERecord [((CName "From", loc),
adamc@209 1375 (ERecord tables, loc)),
adamc@209 1376 ((CName "Where", loc),
adamc@223 1377 wopt),
adamc@224 1378 ((CName "GroupBy", loc),
adamc@226 1379 grp),
adamc@224 1380 ((CName "Having", loc),
adamc@224 1381 hopt),
adamc@223 1382 ((CName "SelectFields", loc),
adamc@403 1383 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1384 sel), loc)),
adamc@233 1385 ((CName "SelectExps", loc),
adamc@233 1386 (ERecord exps, loc))], loc)
adamc@223 1387
adamc@209 1388 val e = (EApp (e, re), loc)
adamc@204 1389 in
adamc@207 1390 e
adamc@204 1391 end)
adamc@229 1392 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1393 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1394 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1395
adamc@204 1396 tables : table ([table])
adamc@204 1397 | table COMMA tables (table :: tables)
adamc@204 1398
adamc@204 1399 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1400 | LBRACE cexp RBRACE (cexp)
adamc@204 1401
adamc@243 1402 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1403 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1404 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1405 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1406
adamc@243 1407 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1408 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1409 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1410
adamc@207 1411 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1412 | LBRACE cexp RBRACE (cexp)
adamc@207 1413
adamc@207 1414 seli : tident DOT fident (Field (tident, fident))
adamc@233 1415 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1416 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1417
adamc@207 1418 selis : seli ([seli])
adamc@207 1419 | seli COMMA selis (seli :: selis)
adamc@207 1420
adamc@207 1421 select : STAR (Star)
adamc@207 1422 | selis (Items selis)
adamc@209 1423
adamc@403 1424 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1425 s (TRUEleft, TRUEright)))
adamc@403 1426 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1427 s (FALSEleft, FALSEright)))
adamc@209 1428
adamc@222 1429 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1430 s (INTleft, INTright)))
adamc@222 1431 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1432 s (FLOATleft, FLOATright)))
adamc@229 1433 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1434 s (STRINGleft, STRINGright)))
adamc@441 1435 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1436 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1437
adamc@221 1438 | tident DOT fident (let
adamc@221 1439 val loc = s (tidentleft, fidentright)
adamc@403 1440 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1441 val e = (ECApp (e, tident), loc)
adamc@221 1442 in
adamc@221 1443 (ECApp (e, fident), loc)
adamc@221 1444 end)
adamc@234 1445 | CSYMBOL (let
adamc@234 1446 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1447 in
adamc@310 1448 if !inDml then
adamc@310 1449 let
adamc@403 1450 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1451 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1452 in
adamc@310 1453 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1454 end
adamc@310 1455 else
adamc@310 1456 let
adamc@403 1457 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1458 in
adamc@310 1459 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1460 end
adamc@310 1461 end)
adamc@221 1462
adamc@471 1463 | LBRACE eexp RBRACE (eexp)
adamc@470 1464
adamc@559 1465 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1466 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1467 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1468 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1469 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1470 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1471
adamc@559 1472 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1473 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1474 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1475 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1476 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1477
adamc@220 1478 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1479 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1480
adamc@220 1481 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1482 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1483
adamc@470 1484 | sqlexp IS NULL (let
adamc@470 1485 val loc = s (sqlexpleft, NULLright)
adamc@470 1486 in
adamc@470 1487 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1488 sqlexp), loc)
adamc@470 1489 end)
adamc@470 1490
adamc@471 1491 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1492 s (LBRACEleft, RBRACEright)))
adamc@220 1493 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1494
adamc@467 1495 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1496 s (NULLleft, NULLright))))
adamc@467 1497
adamc@235 1498 | COUNT LPAREN STAR RPAREN (let
adamc@235 1499 val loc = s (COUNTleft, RPARENright)
adamc@235 1500 in
adamc@544 1501 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1502 end)
adamc@236 1503 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1504 val loc = s (sqlaggleft, RPARENright)
adamc@236 1505
adamc@403 1506 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1507 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1508 e), loc)
adamc@236 1509 in
adamc@236 1510 (EApp (e, sqlexp), loc)
adamc@236 1511 end)
adamc@235 1512
adamc@403 1513 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1514 dummy))
adamc@209 1515 | CWHERE sqlexp (sqlexp)
adamc@226 1516
adamc@226 1517 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1518
adamc@226 1519 groupis: groupi ([groupi])
adamc@226 1520 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1521
adamc@226 1522 gopt : (NONE)
adamc@226 1523 | GROUP BY groupis (SOME groupis)
adamc@227 1524
adamc@403 1525 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1526 dummy))
adamc@227 1527 | HAVING sqlexp (sqlexp)
adamc@230 1528
adamc@403 1529 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1530 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1531 dummy)
adamc@230 1532 | ORDER BY obexps (obexps)
adamc@230 1533
adamc@268 1534 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1535
adamc@268 1536 obexps : obitem (let
adamc@268 1537 val loc = s (obitemleft, obitemright)
adamc@230 1538
adamc@403 1539 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1540 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1541 loc)
adamc@403 1542 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1543 #1 obitem), loc)
adamc@268 1544 val e = (EApp (e, #2 obitem), loc)
adamc@230 1545 in
adamc@230 1546 (EApp (e, e'), loc)
adamc@230 1547 end)
adamc@268 1548 | obitem COMMA obexps (let
adamc@268 1549 val loc = s (obitemleft, obexpsright)
adamc@230 1550
adamc@403 1551 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1552 #1 obitem), loc)
adamc@268 1553 val e = (EApp (e, #2 obitem), loc)
adamc@230 1554 in
adamc@230 1555 (EApp (e, obexps), loc)
adamc@230 1556 end)
adamc@231 1557
adamc@403 1558 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1559 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1560 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1561
adamc@403 1562 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1563 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1564 | LIMIT sqlint (let
adamc@231 1565 val loc = s (LIMITleft, sqlintright)
adamc@231 1566 in
adamc@403 1567 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1568 end)
adamc@231 1569
adamc@403 1570 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1571 | OFFSET sqlint (let
adamc@232 1572 val loc = s (OFFSETleft, sqlintright)
adamc@232 1573 in
adamc@403 1574 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1575 end)
adamc@232 1576
adamc@231 1577 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1578 | LBRACE eexp RBRACE (eexp)
adamc@236 1579
adamc@236 1580 sqlagg : AVG ("avg")
adamc@236 1581 | SUM ("sum")
adamc@236 1582 | MIN ("min")
adamc@236 1583 | MAX ("max")