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author Adam Chlipala <adamc@hcoop.net>
date Thu, 23 Apr 2009 14:10:10 -0400
parents 12ec14a6be0b
children 2c7244c066f1
rev   line source
adamc@695 1 (* Copyright (c) 2008-2009, Adam Chlipala
adamc@1 2 * All rights reserved.
adamc@1 3 *
adamc@1 4 * Redistribution and use in source and binary forms, with or without
adamc@1 5 * modification, are permitted provided that the following conditions are met:
adamc@1 6 *
adamc@1 7 * - Redistributions of source code must retain the above copyright notice,
adamc@1 8 * this list of conditions and the following disclaimer.
adamc@1 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@1 10 * this list of conditions and the following disclaimer in the documentation
adamc@1 11 * and/or other materials provided with the distribution.
adamc@1 12 * - The names of contributors may not be used to endorse or promote products
adamc@1 13 * derived from this software without specific prior written permission.
adamc@1 14 *
adamc@339 15 * THIS SOFTARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@1 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@1 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@1 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@1 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@1 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@1 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@1 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@1 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@1 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@1 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@1 26 *)
adamc@1 27
adamc@244 28 (* Grammar for Ur/Web programs *)
adamc@1 29
adamc@4 30 open Source
adamc@1 31
adamc@1 32 val s = ErrorMsg.spanOf
adamc@230 33 val dummy = ErrorMsg.dummySpan
adamc@1 34
adamc@204 35 fun capitalize "" = ""
adamc@204 36 | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@104 37
adamc@203 38 fun entable t =
adamc@203 39 case #1 t of
adamc@203 40 TRecord c => c
adamc@203 41 | _ => t
adamc@203 42
adamc@207 43 datatype select_item =
adamc@207 44 Field of con * con
adamc@233 45 | Exp of con * exp
adamc@341 46 | Fields of con * con
adamc@207 47
adamc@207 48 datatype select =
adamc@207 49 Star
adamc@207 50 | Items of select_item list
adamc@207 51
adamc@226 52 datatype group_item =
adamc@226 53 GField of con * con
adamc@226 54
adamc@207 55 fun eqTnames ((c1, _), (c2, _)) =
adamc@207 56 case (c1, c2) of
adamc@207 57 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207 58 | (CName x1, CName x2) => x1 = x2
adamc@207 59 | _ => false
adamc@207 60
adamc@233 61 fun amend_select loc (si, (tabs, exps)) =
adamc@233 62 case si of
adamc@233 63 Field (tx, fx) =>
adamc@233 64 let
adamc@233 65 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207 66
adamc@233 67 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233 68 if eqTnames (tx, tx') then
adamc@233 69 ((tx', (CConcat (c, c'), loc)), true)
adamc@233 70 else
adamc@233 71 ((tx', c'), found))
adamc@233 72 false tabs
adamc@233 73 in
adamc@233 74 if found then
adamc@233 75 ()
adamc@233 76 else
adamc@233 77 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@233 78
adamc@233 79 (tabs, exps)
adamc@233 80 end
adamc@341 81 | Fields (tx, fs) =>
adamc@341 82 let
adamc@341 83 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@341 84 if eqTnames (tx, tx') then
adamc@341 85 ((tx', (CConcat (fs, c'), loc)), true)
adamc@341 86 else
adamc@341 87 ((tx', c'), found))
adamc@341 88 false tabs
adamc@341 89 in
adamc@341 90 if found then
adamc@341 91 ()
adamc@341 92 else
adamc@341 93 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@341 94
adamc@341 95 (tabs, exps)
adamc@341 96 end
adamc@233 97 | Exp (c, e) => (tabs, (c, e) :: exps)
adamc@207 98
adamc@226 99 fun amend_group loc (gi, tabs) =
adamc@226 100 let
adamc@226 101 val (tx, c) = case gi of
adamc@226 102 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adamc@226 103
adamc@226 104 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226 105 if eqTnames (tx, tx') then
adamc@226 106 ((tx', (CConcat (c, c'), loc)), true)
adamc@226 107 else
adamc@226 108 ((tx', c'), found))
adamc@226 109 false tabs
adamc@226 110 in
adamc@226 111 if found then
adamc@226 112 ()
adamc@226 113 else
adamc@226 114 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226 115
adamc@226 116 tabs
adamc@226 117 end
adamc@226 118
adamc@403 119 fun sql_inject (v, loc) =
adamc@403 120 (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
adamc@209 121
adamc@220 122 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220 123 let
adamc@403 124 val e = (EVar (["Basis"], "sql_binary", Infer), loc)
adamc@403 125 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 126 val e = (EApp (e, sqlexp1), loc)
adamc@220 127 in
adamc@220 128 (EApp (e, sqlexp2), loc)
adamc@220 129 end
adamc@220 130
adamc@220 131 fun sql_unary (oper, sqlexp, loc) =
adamc@220 132 let
adamc@403 133 val e = (EVar (["Basis"], "sql_unary", Infer), loc)
adamc@403 134 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 135 in
adamc@220 136 (EApp (e, sqlexp), loc)
adamc@219 137 end
adamc@219 138
adamc@229 139 fun sql_relop (oper, sqlexp1, sqlexp2, loc) =
adamc@229 140 let
adamc@403 141 val e = (EVar (["Basis"], "sql_relop", Infer), loc)
adamc@403 142 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@229 143 val e = (EApp (e, sqlexp1), loc)
adamc@229 144 in
adamc@229 145 (EApp (e, sqlexp2), loc)
adamc@229 146 end
adamc@229 147
adamc@441 148 fun sql_nfunc (oper, loc) =
adamc@441 149 let
adamc@441 150 val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
adamc@441 151 in
adamc@441 152 (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@441 153 end
adamc@441 154
adamc@389 155 fun native_unop (oper, e1, loc) =
adamc@389 156 let
adamc@403 157 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@389 158 in
adamc@389 159 (EApp (e, e1), loc)
adamc@389 160 end
adamc@389 161
adamc@256 162 fun native_op (oper, e1, e2, loc) =
adamc@256 163 let
adamc@403 164 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@256 165 val e = (EApp (e, e1), loc)
adamc@256 166 in
adamc@256 167 (EApp (e, e2), loc)
adamc@256 168 end
adamc@256 169
adamc@310 170 val inDml = ref false
adamc@310 171
adamc@325 172 fun tagIn bt =
adamc@325 173 case bt of
adamc@325 174 "table" => "tabl"
adamc@325 175 | _ => bt
adamc@325 176
adamc@709 177 datatype prop_kind = Delete | Update
adamc@709 178
adamc@721 179 datatype attr = Class of exp | Normal of con * exp
adamc@721 180
adamc@1 181 %%
adamc@244 182 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 183
adamc@1 184 %term
adamc@1 185 EOF
adamc@14 186 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 187 | SYMBOL of string | CSYMBOL of string
adamc@1 188 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 189 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@403 190 | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
adamc@623 191 | CON | LTYPE | VAL | REC | AND | FUN | MAP | UNIT | KUNIT | CLASS
adamc@156 192 | DATATYPE | OF
adamc@7 193 | TYPE | NAME
adamc@629 194 | ARROW | LARROW | DARROW | STAR | SEMI | KARROW | DKARROW | BANG
adamc@674 195 | FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE | CARET
adamc@446 196 | LET | IN
adamc@445 197 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL
adamc@338 198 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE
adamc@718 199 | COOKIE | STYLE
adamc@190 200 | CASE | IF | THEN | ELSE
adamc@1 201
adamc@360 202 | XML_BEGIN of string | XML_END | XML_BEGIN_END of string
adamc@91 203 | NOTAGS of string
adamc@91 204 | BEGIN_TAG of string | END_TAG of string
adamc@91 205
adamc@230 206 | SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 207 | UNION | INTERSECT | EXCEPT
adamc@232 208 | LIMIT | OFFSET | ALL
adamc@220 209 | TRUE | FALSE | CAND | OR | NOT
adamc@236 210 | COUNT | AVG | SUM | MIN | MAX
adamc@268 211 | ASC | DESC
adamc@470 212 | INSERT | INTO | VALUES | UPDATE | SET | DELETE | NULL | IS
adamc@441 213 | CURRENT_TIMESTAMP
adamc@219 214 | NE | LT | LE | GT | GE
adamc@714 215 | CCONSTRAINT | UNIQUE | CHECK | PRIMARY | FOREIGN | KEY | ON | NO | ACTION | RESTRICT | CASCADE | REFERENCES
adamc@204 216
adamc@30 217 %nonterm
adamc@1 218 file of decl list
adamc@1 219 | decls of decl list
adamc@325 220 | decl of decl list
adamc@123 221 | vali of string * con option * exp
adamc@123 222 | valis of (string * con option * exp) list
adamc@242 223 | copt of con option
adamc@1 224
adamc@191 225 | dargs of string list
adamc@156 226 | barOpt of unit
adamc@156 227 | dcons of (string * con option) list
adamc@156 228 | dcon of string * con option
adamc@156 229
adamc@707 230 | pkopt of exp
adamc@707 231 | commaOpt of unit
adamc@707 232
adamc@704 233 | cst of exp
adamc@704 234 | csts of exp
adamc@704 235 | cstopt of exp
adamc@704 236
adamc@709 237 | pmode of prop_kind * exp
adamc@709 238 | pkind of prop_kind
adamc@709 239 | prule of exp
adamc@709 240 | pmodes of (prop_kind * exp) list
adamc@709 241
adamc@30 242 | sgn of sgn
adamc@42 243 | sgntm of sgn
adamc@30 244 | sgi of sgn_item
adamc@30 245 | sgis of sgn_item list
adamc@30 246
adamc@30 247 | str of str
adamc@30 248
adamc@1 249 | kind of kind
adamc@207 250 | ktuple of kind list
adamc@1 251 | kcolon of explicitness
adamc@240 252 | kopt of kind option
adamc@1 253
adamc@34 254 | path of string list * string
adamc@156 255 | cpath of string list * string
adamc@34 256 | spath of str
adamc@59 257 | mpath of string list
adamc@34 258
adamc@1 259 | cexp of con
adamc@1 260 | capps of con
adamc@1 261 | cterm of con
adamc@195 262 | ctuple of con list
adamc@207 263 | ctuplev of con list
adamc@1 264 | ident of con
adamc@200 265 | idents of con list
adamc@1 266 | rcon of (con * con) list
adamc@83 267 | rconn of (con * con) list
adamc@1 268 | rcone of (con * con) list
adamc@239 269 | cargs of con * kind -> con * kind
adamc@239 270 | cargl of con * kind -> con * kind
adamc@240 271 | cargl2 of con * kind -> con * kind
adamc@239 272 | carg of con * kind -> con * kind
adamc@239 273 | cargp of con * kind -> con * kind
adamc@1 274
adamc@8 275 | eexp of exp
adamc@8 276 | eapps of exp
adamc@8 277 | eterm of exp
adamc@195 278 | etuple of exp list
adamc@12 279 | rexp of (con * exp) list
adamc@91 280 | xml of exp
adamc@91 281 | xmlOne of exp
adamc@141 282 | tag of string * exp
adamc@141 283 | tagHead of string * exp
adamc@434 284 | bind of string * con option * exp
adamc@446 285 | edecl of edecl
adamc@446 286 | edecls of edecl list
adamc@8 287
adamc@241 288 | earg of exp * con -> exp * con
adamc@241 289 | eargp of exp * con -> exp * con
adamc@241 290 | eargs of exp * con -> exp * con
adamc@241 291 | eargl of exp * con -> exp * con
adamc@242 292 | eargl2 of exp * con -> exp * con
adamc@241 293
adamc@170 294 | branch of pat * exp
adamc@170 295 | branchs of (pat * exp) list
adamc@170 296 | pat of pat
adamc@170 297 | pterm of pat
adamc@174 298 | rpat of (string * pat) list * bool
adamc@195 299 | ptuple of pat list
adamc@170 300
adamc@721 301 | attrs of exp option * (con * exp) list
adamc@721 302 | attr of attr
adamc@104 303 | attrv of exp
adamc@104 304
adamc@204 305 | query of exp
adamc@226 306 | query1 of exp
adamc@204 307 | tables of (con * exp) list
adamc@204 308 | tname of con
adamc@705 309 | tnameW of con * con
adamc@705 310 | tnames of (con * con) * (con * con) list
adamc@705 311 | tnames' of (con * con) * (con * con) list
adamc@204 312 | table of con * exp
adamc@207 313 | tident of con
adamc@207 314 | fident of con
adamc@207 315 | seli of select_item
adamc@207 316 | selis of select_item list
adamc@207 317 | select of select
adamc@209 318 | sqlexp of exp
adamc@209 319 | wopt of exp
adamc@226 320 | groupi of group_item
adamc@226 321 | groupis of group_item list
adamc@226 322 | gopt of group_item list option
adamc@227 323 | hopt of exp
adamc@230 324 | obopt of exp
adamc@268 325 | obitem of exp * exp
adamc@230 326 | obexps of exp
adamc@268 327 | diropt of exp
adamc@231 328 | lopt of exp
adamc@232 329 | ofopt of exp
adamc@231 330 | sqlint of exp
adamc@236 331 | sqlagg of string
adamc@207 332
adamc@302 333 | texp of exp
adamc@302 334 | fields of con list
adamc@302 335 | sqlexps of exp list
adamc@303 336 | fsets of (con * exp) list
adamc@310 337 | enterDml of unit
adamc@310 338 | leaveDml of unit
adamc@302 339
adamc@204 340
adamc@1 341 %verbose (* print summary of errors *)
adamc@1 342 %pos int (* positions *)
adamc@1 343 %start file
adamc@1 344 %pure
adamc@1 345 %eop EOF
adamc@1 346 %noshift EOF
adamc@1 347
adamc@244 348 %name Urweb
adamc@1 349
adamc@623 350 %right KARROW
adamc@623 351 %nonassoc DKARROW
adamc@243 352 %right SEMI
adamc@243 353 %nonassoc LARROW
adamc@195 354 %nonassoc IF THEN ELSE
adamc@1 355 %nonassoc DARROW
adamc@1 356 %nonassoc COLON
adamc@6 357 %nonassoc DCOLON TCOLON
adamc@229 358 %left UNION INTERSECT EXCEPT
adamc@1 359 %right COMMA
adamc@220 360 %right OR
adamc@220 361 %right CAND
adamc@470 362 %nonassoc EQ NE LT LE GT GE IS
adamc@243 363 %right ARROW
adamc@674 364 %right CARET PLUSPLUS MINUSMINUS MINUSMINUSMINUS
adamc@389 365 %left PLUS MINUS
adamc@389 366 %left STAR DIVIDE MOD
adamc@220 367 %left NOT
adamc@84 368 %nonassoc TWIDDLE
adamc@1 369 %nonassoc DOLLAR
adamc@1 370 %left DOT
adamc@221 371 %nonassoc LBRACE RBRACE
adamc@1 372
adamc@1 373 %%
adamc@1 374
adamc@1 375 file : decls (decls)
adamc@54 376 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 377 s (SIGleft, sgisright))])
adamc@1 378
adamc@1 379 decls : ([])
adamc@325 380 | decl decls (decl @ decls)
adamc@1 381
adamc@240 382 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 383 val loc = s (CONleft, cexpright)
adamc@240 384
adamc@240 385 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 386 val (c, k) = cargl2 (cexp, k)
adamc@240 387 in
adamc@325 388 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 389 end)
adamc@325 390 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 391 s (LTYPEleft, cexpright))])
adamc@325 392 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 393 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 394 (case dargs of
adamc@325 395 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 396 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 397 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 398 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 399 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 400
adamc@325 401 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 402 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 403 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 404 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 405 ([(DStr (CSYMBOL1, NONE,
adamc@325 406 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 407 s (FUNCTORleft, strright))])
adamc@42 408 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 409 ([(DStr (CSYMBOL1, NONE,
adamc@325 410 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 411 s (FUNCTORleft, strright))])
adamc@325 412 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 413 | OPEN mpath (case mpath of
adamc@61 414 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 415 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 416 | OPEN mpath LPAREN str RPAREN (let
adamc@325 417 val loc = s (OPENleft, RPARENright)
adamc@325 418
adamc@325 419 val m = case mpath of
adamc@325 420 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 421 | m :: ms =>
adamc@325 422 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 423 (StrVar m, loc) ms
adamc@325 424 in
adamc@325 425 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 426 (DOpen ("anon", []), loc)]
adamc@325 427 end)
adamc@88 428 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 429 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 430 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 431 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 432 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@707 433 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
adamc@707 434 s (TABLEleft, cstoptright))])
adamc@338 435 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@563 436 | CLASS SYMBOL EQ cexp (let
adamc@563 437 val loc = s (CLASSleft, cexpright)
adamc@563 438 in
adamc@563 439 [(DClass (SYMBOL, (KWild, loc), cexp), loc)]
adamc@563 440 end)
adamc@563 441 | CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
adamc@211 442 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 443 val loc = s (CLASSleft, cexpright)
adamc@563 444 val k = (KWild, loc)
adamc@211 445 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 446 in
adamc@563 447 [(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
adamc@563 448 end)
adamc@563 449 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 450 val loc = s (CLASSleft, cexpright)
adamc@563 451 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 452 in
adamc@563 453 [(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
adamc@211 454 end)
adamc@459 455 | COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@720 456 | STYLE SYMBOL ([(DStyle SYMBOL, s (STYLEleft, SYMBOLright))])
adamc@30 457
adamc@240 458 kopt : (NONE)
adamc@240 459 | DCOLON kind (SOME kind)
adamc@240 460
adamc@191 461 dargs : ([])
adamc@191 462 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 463
adamc@156 464 barOpt : ()
adamc@156 465 | BAR ()
adamc@156 466
adamc@156 467 dcons : dcon ([dcon])
adamc@156 468 | dcon BAR dcons (dcon :: dcons)
adamc@156 469
adamc@156 470 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 471 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 472
adamc@242 473 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 474 val loc = s (SYMBOLleft, eexpright)
adamc@242 475 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 476
adamc@242 477 val (e, t) = eargl2 (eexp, t)
adamc@242 478 in
adamc@242 479 (SYMBOL, SOME t, e)
adamc@242 480 end)
adamc@242 481
adamc@242 482 copt : (NONE)
adamc@242 483 | COLON cexp (SOME cexp)
adamc@123 484
adamc@704 485 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704 486 | csts (csts)
adamc@704 487
adamc@704 488 csts : CCONSTRAINT tname cst (let
adamc@704 489 val loc = s (CCONSTRAINTleft, cstright)
adamc@704 490
adamc@704 491 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704 492 val e = (ECApp (e, tname), loc)
adamc@704 493 in
adamc@704 494 (EApp (e, cst), loc)
adamc@704 495 end)
adamc@704 496 | csts COMMA csts (let
adamc@704 497 val loc = s (csts1left, csts2right)
adamc@704 498
adamc@704 499 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704 500 val e = (EApp (e, csts1), loc)
adamc@704 501 in
adamc@704 502 (EApp (e, csts2), loc)
adamc@704 503 end)
adamc@704 504 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704 505
adamc@704 506 cst : UNIQUE tnames (let
adamc@704 507 val loc = s (UNIQUEleft, tnamesright)
adamc@704 508
adamc@704 509 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705 510 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705 511 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@705 512 val e = (EDisjointApp e, loc)
adamc@704 513 in
adamc@704 514 (EDisjointApp e, loc)
adamc@704 515 end)
adamc@709 516
adamc@714 517 | CHECK sqlexp (let
adamc@714 518 val loc = s (CHECKleft, sqlexpright)
adamc@714 519 in
adamc@714 520 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714 521 sqlexp), loc)
adamc@714 522 end)
adamc@714 523
adamc@709 524 | FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709 525 (let
adamc@709 526 val loc = s (FOREIGNleft, pmodesright)
adamc@709 527
adamc@709 528 val mat = ListPair.foldrEq
adamc@709 529 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709 530 let
adamc@709 531 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709 532 val e = (ECApp (e, nm1), loc)
adamc@709 533 val e = (ECApp (e, nm2), loc)
adamc@709 534 val e = (EDisjointApp e, loc)
adamc@709 535 val e = (EDisjointApp e, loc)
adamc@712 536 val e = (EApp (e, (EWild, loc)), loc)
adamc@709 537 in
adamc@709 538 (EApp (e, mat), loc)
adamc@709 539 end)
adamc@709 540 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709 541 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adamc@709 542
adamc@709 543 fun findMode mode =
adamc@709 544 let
adamc@709 545 fun findMode' pmodes =
adamc@709 546 case pmodes of
adamc@709 547 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709 548 | (mode', rule) :: pmodes' =>
adamc@709 549 if mode' = mode then
adamc@709 550 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709 551 pmodes' then
adamc@709 552 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709 553 else
adamc@709 554 ();
adamc@709 555 rule)
adamc@709 556 else
adamc@709 557 findMode' pmodes'
adamc@709 558 in
adamc@709 559 findMode' pmodes
adamc@709 560 end
adamc@709 561
adamc@709 562 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709 563 val e = (EApp (e, mat), loc)
adamc@709 564 val e = (EApp (e, texp), loc)
adamc@709 565 in
adamc@709 566 (EApp (e, (ERecord [((CName "OnDelete", loc),
adamc@709 567 findMode Delete),
adamc@709 568 ((CName "OnUpdate", loc),
adamc@709 569 findMode Update)], loc)), loc)
adamc@709 570 end)
adamc@709 571
adamc@704 572 | LBRACE eexp RBRACE (eexp)
adamc@704 573
adamc@704 574 tnameW : tname (let
adamc@704 575 val loc = s (tnameleft, tnameright)
adamc@704 576 in
adamc@704 577 (tname, (CWild (KType, loc), loc))
adamc@704 578 end)
adamc@704 579
adamc@705 580 tnames : tnameW (tnameW, [])
adamc@705 581 | LPAREN tnames' RPAREN (tnames')
adamc@704 582
adamc@705 583 tnames': tnameW (tnameW, [])
adamc@705 584 | tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704 585
adamc@709 586 pmode : ON pkind prule (pkind, prule)
adamc@709 587
adamc@709 588 pkind : DELETE (Delete)
adamc@709 589 | UPDATE (Update)
adamc@709 590
adamc@709 591 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709 592 | RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709 593 | CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709 594 | SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709 595
adamc@709 596 pmodes : ([])
adamc@709 597 | pmode pmodes (pmode :: pmodes)
adamc@709 598
adamc@707 599 commaOpt: ()
adamc@707 600 | COMMA ()
adamc@707 601
adamc@707 602 pkopt : (EVar (["Basis"], "no_primary_key", Infer), ErrorMsg.dummySpan)
adamc@707 603 | PRIMARY KEY tnames (let
adamc@707 604 val loc = s (PRIMARYleft, tnamesright)
adamc@707 605
adamc@707 606 val e = (EVar (["Basis"], "primary_key", Infer), loc)
adamc@707 607 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707 608 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707 609 val e = (EDisjointApp e, loc)
adamc@707 610 val e = (EDisjointApp e, loc)
adamc@707 611
adamc@707 612 val witness = map (fn (c, _) =>
adamc@707 613 (c, (EWild, loc)))
adamc@707 614 (#1 tnames :: #2 tnames)
adamc@707 615 val witness = (ERecord witness, loc)
adamc@707 616 in
adamc@707 617 (EApp (e, witness), loc)
adamc@707 618 end)
adamc@707 619
adamc@123 620 valis : vali ([vali])
adamc@123 621 | vali AND valis (vali :: valis)
adamc@123 622
adamc@42 623 sgn : sgntm (sgntm)
adamc@40 624 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 625 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 626
adamc@42 627 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 628 | mpath (case mpath of
adamc@61 629 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 630 | [x] => SgnVar x
adamc@59 631 | m :: ms => SgnProj (m,
adamc@59 632 List.take (ms, length ms - 1),
adamc@59 633 List.nth (ms, length ms - 1)),
adamc@59 634 s (mpathleft, mpathright))
adamc@42 635 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 636 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 637 | LPAREN sgn RPAREN (sgn)
adamc@42 638
adamc@706 639 sgi : CON SYMBOL DCOLON kind ((SgiConAbs (SYMBOL, kind), s (CONleft, kindright)))
adamc@706 640 | LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706 641 s (LTYPEleft, SYMBOLright)))
adamc@706 642 | CON SYMBOL EQ cexp ((SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright)))
adamc@706 643 | CON SYMBOL DCOLON kind EQ cexp ((SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright)))
adamc@706 644 | LTYPE SYMBOL EQ cexp ((SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@706 645 s (LTYPEleft, cexpright)))
adamc@706 646 | DATATYPE SYMBOL dargs EQ barOpt dcons((SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright)))
adamc@191 647 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 648 (case dargs of
adamc@191 649 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 650 | _ => raise Fail "Arguments specified for imported datatype")
adamc@706 651 | VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30 652
adamc@706 653 | STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706 654 | SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42 655 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706 656 ((SgiStr (CSYMBOL1,
adamc@706 657 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706 658 s (FUNCTORleft, sgn2right)))
adamc@706 659 | INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706 660 | CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707 661 | TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707 662 val loc = s (TABLEleft, ctermright)
adamc@707 663 in
adamc@707 664 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707 665 end)
adamc@460 666 | SEQUENCE SYMBOL (let
adamc@460 667 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 668 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 669 in
adamc@460 670 (SgiVal (SYMBOL, t), loc)
adamc@460 671 end)
adamc@563 672 | CLASS SYMBOL (let
adamc@563 673 val loc = s (CLASSleft, SYMBOLright)
adamc@711 674 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563 675 in
adamc@711 676 (SgiClassAbs (SYMBOL, k), loc)
adamc@563 677 end)
adamc@563 678 | CLASS SYMBOL DCOLON kind (let
adamc@563 679 val loc = s (CLASSleft, kindright)
adamc@563 680 in
adamc@563 681 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 682 end)
adamc@563 683 | CLASS SYMBOL EQ cexp (let
adamc@563 684 val loc = s (CLASSleft, cexpright)
adamc@563 685 in
adamc@563 686 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 687 end)
adamc@563 688 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 689 val loc = s (CLASSleft, cexpright)
adamc@563 690 in
adamc@563 691 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 692 end)
adamc@211 693 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 694 val loc = s (CLASSleft, cexpright)
adamc@563 695 val k = (KWild, loc)
adamc@211 696 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 697 in
adamc@563 698 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 699 end)
adamc@563 700 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 701 val loc = s (CLASSleft, cexpright)
adamc@563 702 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 703 in
adamc@563 704 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 705 end)
adamc@460 706 | COOKIE SYMBOL COLON cexp (let
adamc@460 707 val loc = s (COOKIEleft, cexpright)
adamc@460 708 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 709 entable cexp), loc)
adamc@460 710 in
adamc@460 711 (SgiVal (SYMBOL, t), loc)
adamc@460 712 end)
adamc@720 713 | STYLE SYMBOL (let
adamc@720 714 val loc = s (STYLEleft, SYMBOLright)
adamc@720 715 val t = (CVar (["Basis"], "css_class"), loc)
adamc@718 716 in
adamc@718 717 (SgiVal (SYMBOL, t), loc)
adamc@718 718 end)
adamc@30 719
adamc@30 720 sgis : ([])
adamc@30 721 | sgi sgis (sgi :: sgis)
adamc@30 722
adamc@30 723 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 724 | spath (spath)
adamc@40 725 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 726 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 727 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 728 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 729 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 730
adamc@34 731 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 732 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 733
adamc@1 734 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 735 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 736 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 737 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 738 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 739 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 740 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 741 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 742 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 743 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 744
adamc@207 745 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 746 | kind STAR ktuple (kind :: ktuple)
adamc@1 747
adamc@1 748 capps : cterm (cterm)
adamc@1 749 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 750
adamc@1 751 cexp : capps (capps)
adamc@1 752 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 753 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 754 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 755
adamc@1 756 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 757
adamc@239 758 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 759 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 760 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 761
adamc@8 762 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 763
adamc@18 764 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 765 | ctuple (let
adamc@195 766 val loc = s (ctupleleft, ctupleright)
adamc@195 767 in
adamc@195 768 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 769 ((CName (Int.toString (i + 1)), loc),
adamc@195 770 c)) ctuple),
adamc@195 771 loc), loc)
adamc@195 772 end)
adamc@18 773
adamc@1 774 kcolon : DCOLON (Explicit)
adamc@1 775 | TCOLON (Implicit)
adamc@1 776
adamc@239 777 cargs : carg (carg)
adamc@239 778 | cargl (cargl)
adamc@239 779
adamc@239 780 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 781 | cargp cargl (cargp o cargl)
adamc@239 782
adamc@240 783 cargl2 : (fn x => x)
adamc@240 784 | cargp cargl2 (cargp o cargl2)
adamc@240 785
adamc@241 786 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 787 let
adamc@239 788 val loc = s (SYMBOLleft, kindright)
adamc@239 789 in
adamc@239 790 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 791 (KArrow (kind, k), loc))
adamc@239 792 end)
adamc@329 793 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 794 let
adamc@329 795 val loc = s (UNDERleft, kindright)
adamc@329 796 in
adamc@329 797 ((CAbs ("_", SOME kind, c), loc),
adamc@329 798 (KArrow (kind, k), loc))
adamc@329 799 end)
adamc@241 800 | cargp (cargp)
adamc@239 801
adamc@239 802 cargp : SYMBOL (fn (c, k) =>
adamc@239 803 let
adamc@239 804 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 805 in
adamc@239 806 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 807 (KArrow ((KWild, loc), k), loc))
adamc@239 808 end)
adamc@329 809 | UNDER (fn (c, k) =>
adamc@329 810 let
adamc@329 811 val loc = s (UNDERleft, UNDERright)
adamc@329 812 in
adamc@329 813 ((CAbs ("_", NONE, c), loc),
adamc@329 814 (KArrow ((KWild, loc), k), loc))
adamc@329 815 end)
adamc@239 816 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 817 let
adamc@239 818 val loc = s (LPARENleft, RPARENright)
adamc@239 819 in
adamc@239 820 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 821 (KArrow (kind, k), loc))
adamc@239 822 end)
adamc@628 823
adamc@239 824
adamc@34 825 path : SYMBOL ([], SYMBOL)
adamc@34 826 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 827
adamc@156 828 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 829 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 830
adamc@59 831 mpath : CSYMBOL ([CSYMBOL])
adamc@59 832 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 833
adamc@1 834 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 835 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 836 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 837 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 838 s (LBRACEleft, RBRACEright))
adamc@1 839 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 840 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 841 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 842
adamc@34 843 | path (CVar path, s (pathleft, pathright))
adamc@207 844 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 845 s (pathleft, INTright))
adamc@18 846 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 847 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 848 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 849 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 850
adamc@207 851 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 852 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 853
adamc@196 854 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 855 | capps STAR ctuple (capps :: ctuple)
adamc@195 856
adamc@1 857 rcon : ([])
adamc@1 858 | ident EQ cexp ([(ident, cexp)])
adamc@1 859 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 860
adamc@83 861 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 862 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 863
adamc@1 864 rcone : ([])
adamc@1 865 | ident COLON cexp ([(ident, cexp)])
adamc@1 866 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 867
adamc@1 868 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 869 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 870 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 871
adamc@8 872 eapps : eterm (eterm)
adamc@8 873 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 874 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 875 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 876
adamc@8 877 eexp : eapps (eapps)
adamc@241 878 | FN eargs DARROW eexp (let
adamc@93 879 val loc = s (FNleft, eexpright)
adamc@93 880 in
adamc@241 881 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 882 end)
adamc@623 883 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 884 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 885 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 886 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 887 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 888 | IF eexp THEN eexp ELSE eexp (let
adamc@190 889 val loc = s (IFleft, eexp3right)
adamc@190 890 in
adamc@190 891 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 892 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 893 end)
adamc@434 894 | bind SEMI eexp (let
adamc@434 895 val loc = s (bindleft, eexpright)
adamc@434 896 val (v, to, e1) = bind
adamc@403 897 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 898 val e = (EApp (e, e1), loc)
adamc@243 899 in
adamc@434 900 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 901 end)
adamc@256 902 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 903 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 904 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 905 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 906 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 907 | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
adamc@389 908 | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 909 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 910
adamc@391 911 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 912 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 913 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 914 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 915
adamc@445 916 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 917
adamc@674 918 | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674 919
adamc@434 920 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 921 | UNIT LARROW eapps (let
adamc@434 922 val loc = s (UNITleft, eappsright)
adamc@434 923 in
adamc@434 924 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 925 end)
adamc@434 926 | eapps (let
adamc@434 927 val loc = s (eappsleft, eappsright)
adamc@434 928 in
adamc@434 929 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 930 end)
adamc@434 931
adamc@241 932 eargs : earg (earg)
adamc@241 933 | eargl (eargl)
adamc@241 934
adamc@241 935 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 936 | eargp eargl (eargp o eargl)
adamc@241 937
adamc@242 938 eargl2 : (fn x => x)
adamc@242 939 | eargp eargl2 (eargp o eargl2)
adamc@242 940
adamc@241 941 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 942 let
adamc@241 943 val loc = s (SYMBOLleft, kindright)
adamc@241 944 in
adamc@241 945 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 946 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 947 end)
adamc@241 948 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 949 let
adamc@241 950 val loc = s (SYMBOLleft, cexpright)
adamc@241 951 in
adamc@241 952 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 953 (TFun (cexp, t), loc))
adamc@241 954 end)
adamc@241 955 | UNDER COLON cexp (fn (e, t) =>
adamc@241 956 let
adamc@241 957 val loc = s (UNDERleft, cexpright)
adamc@241 958 in
adamc@241 959 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 960 (TFun (cexp, t), loc))
adamc@241 961 end)
adamc@241 962 | eargp (eargp)
adamc@241 963
adamc@241 964 eargp : SYMBOL (fn (e, t) =>
adamc@241 965 let
adamc@241 966 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 967 in
adamc@241 968 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 969 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 970 end)
adamc@241 971 | UNIT (fn (e, t) =>
adamc@241 972 let
adamc@241 973 val loc = s (UNITleft, UNITright)
adamc@241 974 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 975 in
adamc@241 976 ((EAbs ("_", SOME t', e), loc),
adamc@241 977 (TFun (t', t), loc))
adamc@241 978 end)
adamc@241 979 | UNDER (fn (e, t) =>
adamc@241 980 let
adamc@241 981 val loc = s (UNDERleft, UNDERright)
adamc@241 982 in
adamc@241 983 ((EAbs ("_", NONE, e), loc),
adamc@241 984 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 985 end)
adamc@241 986 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 987 let
adamc@241 988 val loc = s (LPARENleft, RPARENright)
adamc@241 989 in
adamc@241 990 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 991 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 992 end)
adamc@241 993 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 994 let
adamc@241 995 val loc = s (LPARENleft, RPARENright)
adamc@241 996 in
adamc@241 997 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 998 (TFun (cexp, t), loc))
adamc@241 999 end)
adamc@241 1000 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 1001 let
adamc@241 1002 val loc = s (LPARENleft, RPARENright)
adamc@241 1003 in
adamc@241 1004 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 1005 (TFun (cexp, t), loc))
adamc@241 1006 end)
adamc@478 1007 | LPAREN cexp TWIDDLE cexp RPAREN (fn (e, t) =>
adamc@354 1008 let
adamc@354 1009 val loc = s (LPARENleft, RPARENright)
adamc@354 1010 in
adamc@478 1011 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1012 (TDisjoint (cexp1, cexp2, t), loc))
adamc@354 1013 end)
adamc@478 1014 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 1015 let
adamc@356 1016 val loc = s (LBRACKleft, RBRACKright)
adamc@356 1017 in
adamc@478 1018 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 1019 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 1020 end)
adamc@623 1021 | CSYMBOL (fn (e, t) =>
adamc@623 1022 let
adamc@623 1023 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 1024 in
adamc@623 1025 ((EKAbs (CSYMBOL, e), loc),
adamc@623 1026 (TKFun (CSYMBOL, t), loc))
adamc@623 1027 end)
adamc@241 1028
adamc@8 1029 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 1030 | LPAREN etuple RPAREN (let
adamc@195 1031 val loc = s (LPARENleft, RPARENright)
adamc@195 1032 in
adamc@195 1033 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 1034 ((CName (Int.toString (i + 1)), loc),
adamc@195 1035 e)) etuple), loc)
adamc@195 1036 end)
adamc@8 1037
adamc@403 1038 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 1039 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 1040 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 1041 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 1042 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 1043 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 1044 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 1045 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 1046
adamc@14 1047 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 1048 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 1049 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 1050
adamc@200 1051 | path DOT idents (let
adamc@200 1052 val loc = s (pathleft, identsright)
adamc@200 1053 in
adamc@200 1054 foldl (fn (ident, e) =>
adamc@200 1055 (EField (e, ident), loc))
adamc@403 1056 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 1057 end)
adamc@403 1058 | AT path DOT idents (let
adamc@403 1059 val loc = s (ATleft, identsright)
adamc@403 1060 in
adamc@403 1061 foldl (fn (ident, e) =>
adamc@403 1062 (EField (e, ident), loc))
adamc@403 1063 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 1064 end)
adamc@403 1065 | AT AT path DOT idents (let
adamc@403 1066 val loc = s (AT1left, identsright)
adamc@403 1067 in
adamc@403 1068 foldl (fn (ident, e) =>
adamc@403 1069 (EField (e, ident), loc))
adamc@403 1070 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 1071 end)
adamc@71 1072
adamc@360 1073 | XML_BEGIN xml 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@360 1080 xml
adamc@360 1081 end)
adamc@360 1082 | XML_BEGIN XML_END (let
adamc@360 1083 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 1084 in
adamc@360 1085 if XML_BEGIN = "xml" then
adamc@360 1086 ()
adamc@360 1087 else
adamc@360 1088 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1089 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1090 (EPrim (Prim.String ""), loc)),
adamc@360 1091 loc)
adamc@360 1092 end)
adamc@360 1093 | XML_BEGIN_END (let
adamc@360 1094 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 1095 in
adamc@360 1096 if XML_BEGIN_END = "xml" then
adamc@360 1097 ()
adamc@360 1098 else
adamc@360 1099 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 1100 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 1101 (EPrim (Prim.String ""), loc)),
adamc@360 1102 loc)
adamc@360 1103 end)
adamc@302 1104
adamc@204 1105 | LPAREN query RPAREN (query)
adamc@300 1106 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 1107 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 1108
adamc@302 1109 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 1110 (let
adamc@302 1111 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 1112
adamc@403 1113 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 1114 val e = (EApp (e, texp), loc)
adamc@302 1115 in
adamc@302 1116 if length fields <> length sqlexps then
adamc@302 1117 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 1118 else
adamc@302 1119 ();
adamc@302 1120 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 1121 end)
adamc@310 1122 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 1123 (let
adamc@303 1124 val loc = s (LPARENleft, RPARENright)
adamc@303 1125
adamc@403 1126 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 1127 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@632 1128 val e = (EDisjointApp e, loc)
adamc@306 1129 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 1130 val e = (EApp (e, texp), loc)
adamc@303 1131 in
adamc@303 1132 (EApp (e, sqlexp), loc)
adamc@303 1133 end)
adamc@310 1134 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 1135 (let
adamc@304 1136 val loc = s (LPARENleft, RPARENright)
adamc@304 1137
adamc@403 1138 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 1139 val e = (EApp (e, texp), loc)
adamc@304 1140 in
adamc@304 1141 (EApp (e, sqlexp), loc)
adamc@304 1142 end)
adamc@302 1143
adamc@211 1144 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 1145
adamc@446 1146 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 1147
adamc@446 1148 edecls : ([])
adamc@446 1149 | edecl edecls (edecl :: edecls)
adamc@446 1150
adamc@446 1151 edecl : VAL vali ((EDVal vali, s (VALleft, valiright)))
adamc@446 1152 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 1153 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 1154
adamc@310 1155 enterDml : (inDml := true)
adamc@310 1156 leaveDml : (inDml := false)
adamc@310 1157
adamc@403 1158 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 1159 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 1160
adamc@302 1161 fields : fident ([fident])
adamc@302 1162 | fident COMMA fields (fident :: fields)
adamc@302 1163
adamc@302 1164 sqlexps: sqlexp ([sqlexp])
adamc@302 1165 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1166
adamc@303 1167 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1168 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1169
adamc@200 1170 idents : ident ([ident])
adamc@200 1171 | ident DOT idents (ident :: idents)
adamc@200 1172
adamc@195 1173 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1174 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1175
adamc@170 1176 branch : pat DARROW eexp (pat, eexp)
adamc@170 1177
adamc@170 1178 branchs: ([])
adamc@170 1179 | BAR branch branchs (branch :: branchs)
adamc@170 1180
adamc@170 1181 pat : pterm (pterm)
adamc@170 1182 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1183
adamc@170 1184 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1185 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1186 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1187 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 1188 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 1189 | LPAREN pat RPAREN (pat)
adamc@174 1190 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1191 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1192 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1193 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1194 false),
adamc@195 1195 s (LPARENleft, RPARENright))
adamc@174 1196
adamc@175 1197 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1198 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1199 | DOTDOTDOT ([], true)
adamc@175 1200 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1201 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1202
adamc@195 1203 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1204 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1205
adamc@12 1206 rexp : ([])
adamc@12 1207 | ident EQ eexp ([(ident, eexp)])
adamc@12 1208 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1209
adamc@141 1210 xml : xmlOne xml (let
adamc@141 1211 val pos = s (xmlOneleft, xmlright)
adamc@141 1212 in
adamc@720 1213 (EApp ((EApp (
adamc@720 1214 (EVar (["Basis"], "join", Infer), pos),
adamc@720 1215 xmlOne), pos),
adamc@720 1216 xml), pos)
adamc@141 1217 end)
adamc@141 1218 | xmlOne (xmlOne)
adamc@91 1219
adamc@403 1220 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1221 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1222 s (NOTAGSleft, NOTAGSright))
adamc@141 1223 | tag DIVIDE GT (let
adamc@141 1224 val pos = s (tagleft, GTright)
adamc@710 1225
adamc@710 1226 val cdata =
adamc@710 1227 if #1 tag = "submit" orelse #1 tag = "dyn" then
adamc@710 1228 let
adamc@710 1229 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710 1230 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710 1231 in
adamc@710 1232 (ECApp (e, (CRecord [], pos)), pos)
adamc@710 1233 end
adamc@710 1234 else
adamc@710 1235 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710 1236
adamc@710 1237 val cdata = (EApp (cdata,
adamc@710 1238 (EPrim (Prim.String ""), pos)),
adamc@710 1239 pos)
adamc@141 1240 in
adamc@710 1241 (EApp (#2 tag, cdata), pos)
adamc@141 1242 end)
adamc@141 1243
adamc@141 1244 | tag GT xml END_TAG (let
adamc@141 1245 val pos = s (tagleft, GTright)
adamc@325 1246 val et = tagIn END_TAG
adamc@141 1247 in
adamc@325 1248 if #1 tag = et then
adamc@361 1249 if et = "form" then
adamc@403 1250 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@141 1251 xml), pos)
adamc@141 1252 else
adamc@141 1253 (EApp (#2 tag, xml), pos)
adamc@141 1254 else
adamc@325 1255 (if ErrorMsg.anyErrors () then
adamc@325 1256 ()
adamc@325 1257 else
adamc@325 1258 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@623 1259 (EWild, pos))
adamc@141 1260 end)
adamc@141 1261 | LBRACE eexp RBRACE (eexp)
adamc@391 1262 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1263 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1264 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1265 in
adamc@391 1266 (EApp (e, eexp), loc)
adamc@391 1267 end)
adamc@92 1268
adamc@141 1269 tag : tagHead attrs (let
adamc@141 1270 val pos = s (tagHeadleft, attrsright)
adamc@721 1271
adamc@721 1272 val e = (EVar (["Basis"], "tag", Infer), pos)
adamc@721 1273 val eo = case #1 attrs of
adamc@721 1274 NONE => (EVar (["Basis"], "None", Infer), pos)
adamc@721 1275 | SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adamc@721 1276 e), pos)
adamc@721 1277 val e = (EApp (e, eo), pos)
adamc@721 1278 val e = (EApp (e, (ERecord (#2 attrs), pos)), pos)
adamc@721 1279 val e = (EApp (e, (EApp (#2 tagHead,
adamc@721 1280 (ERecord [], pos)), pos)), pos)
adamc@141 1281 in
adamc@721 1282 (#1 tagHead, e)
adamc@141 1283 end)
adamc@141 1284
adamc@141 1285 tagHead: BEGIN_TAG (let
adamc@325 1286 val bt = tagIn BEGIN_TAG
adamc@141 1287 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1288 in
adamc@325 1289 (bt,
adamc@473 1290 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1291 end)
adamc@141 1292 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1293
adamc@721 1294 attrs : (NONE, [])
adamc@721 1295 | attr attrs (let
adamc@721 1296 val loc = s (attrleft, attrsright)
adamc@721 1297 in
adamc@721 1298 case attr of
adamc@721 1299 Class e =>
adamc@721 1300 (case #1 attrs of
adamc@721 1301 NONE => ()
adamc@721 1302 | SOME _ => ErrorMsg.errorAt loc "Multiple classes specified for tag";
adamc@721 1303 (SOME e, #2 attrs))
adamc@721 1304 | Normal xe =>
adamc@721 1305 (#1 attrs, xe :: #2 attrs)
adamc@721 1306 end)
adamc@104 1307
adamc@721 1308 attr : SYMBOL EQ attrv (if SYMBOL = "class" then
adamc@721 1309 Class attrv
adamc@717 1310 else
adamc@724 1311 let
adamc@724 1312 val sym =
adamc@724 1313 case SYMBOL of
adamc@724 1314 "type" => "Typ"
adamc@724 1315 | x => capitalize x
adamc@724 1316 in
adamc@724 1317 Normal ((CName sym, s (SYMBOLleft, SYMBOLright)),
adamc@724 1318 if (sym = "Href" orelse sym = "Src")
adamc@724 1319 andalso (case #1 attrv of
adamc@724 1320 EPrim _ => true
adamc@724 1321 | _ => false) then
adamc@724 1322 let
adamc@724 1323 val loc = s (attrvleft, attrvright)
adamc@724 1324 in
adamc@724 1325 (EApp ((EVar (["Basis"], "bless", Infer), loc),
adamc@724 1326 attrv), loc)
adamc@724 1327 end
adamc@724 1328 else
adamc@724 1329 attrv)
adamc@724 1330 end)
adamc@204 1331
adamc@104 1332 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1333 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1334 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1335 | LBRACE eexp RBRACE (eexp)
adamc@226 1336
adamc@232 1337 query : query1 obopt lopt ofopt (let
adamc@229 1338 val loc = s (query1left, query1right)
adamc@230 1339
adamc@230 1340 val re = (ERecord [((CName "Rows", loc),
adamc@230 1341 query1),
adamc@230 1342 ((CName "OrderBy", loc),
adamc@231 1343 obopt),
adamc@231 1344 ((CName "Limit", loc),
adamc@232 1345 lopt),
adamc@232 1346 ((CName "Offset", loc),
adamc@232 1347 ofopt)], loc)
adamc@229 1348 in
adamc@403 1349 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1350 end)
adamc@204 1351
adamc@227 1352 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 1353 (let
adamc@204 1354 val loc = s (SELECTleft, tablesright)
adamc@207 1355
adamc@233 1356 val (sel, exps) =
adamc@207 1357 case select of
adamc@233 1358 Star => (map (fn (nm, _) =>
adamc@233 1359 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1360 loc),
adamc@233 1361 (CRecord [], loc)],
adamc@233 1362 loc))) tables,
adamc@233 1363 [])
adamc@207 1364 | Items sis =>
adamc@207 1365 let
adamc@207 1366 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 1367 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 1368 in
adamc@233 1369 (map (fn (nm, c) => (nm,
adamc@233 1370 (CTuple [c,
adamc@233 1371 (CWild (KRecord (KType, loc), loc),
adamc@233 1372 loc)], loc))) tabs,
adamc@233 1373 exps)
adamc@207 1374 end
adamc@207 1375
adamc@207 1376 val sel = (CRecord sel, loc)
adamc@207 1377
adamc@226 1378 val grp = case gopt of
adamc@403 1379 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1380 Infer), loc),
adamc@226 1381 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1382 loc), loc)), loc)
adamc@226 1383 | SOME gis =>
adamc@226 1384 let
adamc@226 1385 val tabs = map (fn (nm, _) =>
adamc@226 1386 (nm, (CRecord [], loc))) tables
adamc@226 1387 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1388
adamc@226 1389 val tabs = map (fn (nm, c) =>
adamc@226 1390 (nm,
adamc@226 1391 (CTuple [c,
adamc@226 1392 (CWild (KRecord (KType, loc),
adamc@226 1393 loc),
adamc@226 1394 loc)], loc))) tabs
adamc@226 1395 in
adamc@403 1396 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1397 (CRecord tabs, loc)), loc)
adamc@226 1398 end
adamc@226 1399
adamc@403 1400 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@209 1401 val re = (ERecord [((CName "From", loc),
adamc@209 1402 (ERecord tables, loc)),
adamc@209 1403 ((CName "Where", loc),
adamc@223 1404 wopt),
adamc@224 1405 ((CName "GroupBy", loc),
adamc@226 1406 grp),
adamc@224 1407 ((CName "Having", loc),
adamc@224 1408 hopt),
adamc@223 1409 ((CName "SelectFields", loc),
adamc@403 1410 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1411 sel), loc)),
adamc@233 1412 ((CName "SelectExps", loc),
adamc@233 1413 (ERecord exps, loc))], loc)
adamc@223 1414
adamc@209 1415 val e = (EApp (e, re), loc)
adamc@204 1416 in
adamc@207 1417 e
adamc@204 1418 end)
adamc@229 1419 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1420 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1421 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1422
adamc@204 1423 tables : table ([table])
adamc@204 1424 | table COMMA tables (table :: tables)
adamc@204 1425
adamc@204 1426 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1427 | LBRACE cexp RBRACE (cexp)
adamc@204 1428
adamc@243 1429 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1430 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1431 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1432 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1433
adamc@243 1434 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1435 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1436 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1437
adamc@207 1438 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1439 | LBRACE cexp RBRACE (cexp)
adamc@207 1440
adamc@207 1441 seli : tident DOT fident (Field (tident, fident))
adamc@233 1442 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1443 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1444
adamc@207 1445 selis : seli ([seli])
adamc@207 1446 | seli COMMA selis (seli :: selis)
adamc@207 1447
adamc@207 1448 select : STAR (Star)
adamc@207 1449 | selis (Items selis)
adamc@209 1450
adamc@403 1451 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1452 s (TRUEleft, TRUEright)))
adamc@403 1453 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1454 s (FALSEleft, FALSEright)))
adamc@209 1455
adamc@222 1456 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1457 s (INTleft, INTright)))
adamc@222 1458 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1459 s (FLOATleft, FLOATright)))
adamc@229 1460 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1461 s (STRINGleft, STRINGright)))
adamc@441 1462 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1463 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1464
adamc@221 1465 | tident DOT fident (let
adamc@221 1466 val loc = s (tidentleft, fidentright)
adamc@403 1467 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1468 val e = (ECApp (e, tident), loc)
adamc@221 1469 in
adamc@221 1470 (ECApp (e, fident), loc)
adamc@221 1471 end)
adamc@234 1472 | CSYMBOL (let
adamc@234 1473 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1474 in
adamc@310 1475 if !inDml then
adamc@310 1476 let
adamc@403 1477 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1478 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1479 in
adamc@310 1480 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1481 end
adamc@310 1482 else
adamc@310 1483 let
adamc@403 1484 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1485 in
adamc@310 1486 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1487 end
adamc@310 1488 end)
adamc@221 1489
adamc@471 1490 | LBRACE eexp RBRACE (eexp)
adamc@470 1491
adamc@559 1492 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1493 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1494 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1495 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1496 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1497 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1498
adamc@559 1499 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1500 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1501 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1502 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1503 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1504
adamc@220 1505 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1506 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1507
adamc@220 1508 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1509 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1510
adamc@470 1511 | sqlexp IS NULL (let
adamc@470 1512 val loc = s (sqlexpleft, NULLright)
adamc@470 1513 in
adamc@470 1514 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1515 sqlexp), loc)
adamc@470 1516 end)
adamc@470 1517
adamc@471 1518 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1519 s (LBRACEleft, RBRACEright)))
adamc@220 1520 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1521
adamc@467 1522 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1523 s (NULLleft, NULLright))))
adamc@467 1524
adamc@235 1525 | COUNT LPAREN STAR RPAREN (let
adamc@235 1526 val loc = s (COUNTleft, RPARENright)
adamc@235 1527 in
adamc@544 1528 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1529 end)
adamc@236 1530 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1531 val loc = s (sqlaggleft, RPARENright)
adamc@236 1532
adamc@403 1533 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1534 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1535 e), loc)
adamc@236 1536 in
adamc@236 1537 (EApp (e, sqlexp), loc)
adamc@236 1538 end)
adamc@235 1539
adamc@403 1540 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1541 dummy))
adamc@209 1542 | CWHERE sqlexp (sqlexp)
adamc@226 1543
adamc@226 1544 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1545
adamc@226 1546 groupis: groupi ([groupi])
adamc@226 1547 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1548
adamc@226 1549 gopt : (NONE)
adamc@226 1550 | GROUP BY groupis (SOME groupis)
adamc@227 1551
adamc@403 1552 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1553 dummy))
adamc@227 1554 | HAVING sqlexp (sqlexp)
adamc@230 1555
adamc@403 1556 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1557 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1558 dummy)
adamc@230 1559 | ORDER BY obexps (obexps)
adamc@230 1560
adamc@268 1561 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1562
adamc@268 1563 obexps : obitem (let
adamc@268 1564 val loc = s (obitemleft, obitemright)
adamc@230 1565
adamc@403 1566 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1567 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1568 loc)
adamc@403 1569 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1570 #1 obitem), loc)
adamc@268 1571 val e = (EApp (e, #2 obitem), loc)
adamc@230 1572 in
adamc@230 1573 (EApp (e, e'), loc)
adamc@230 1574 end)
adamc@268 1575 | obitem COMMA obexps (let
adamc@268 1576 val loc = s (obitemleft, obexpsright)
adamc@230 1577
adamc@403 1578 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1579 #1 obitem), loc)
adamc@268 1580 val e = (EApp (e, #2 obitem), loc)
adamc@230 1581 in
adamc@230 1582 (EApp (e, obexps), loc)
adamc@230 1583 end)
adamc@231 1584
adamc@403 1585 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1586 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1587 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1588
adamc@403 1589 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1590 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1591 | LIMIT sqlint (let
adamc@231 1592 val loc = s (LIMITleft, sqlintright)
adamc@231 1593 in
adamc@403 1594 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1595 end)
adamc@231 1596
adamc@403 1597 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1598 | OFFSET sqlint (let
adamc@232 1599 val loc = s (OFFSETleft, sqlintright)
adamc@232 1600 in
adamc@403 1601 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1602 end)
adamc@232 1603
adamc@231 1604 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1605 | LBRACE eexp RBRACE (eexp)
adamc@236 1606
adamc@236 1607 sqlagg : AVG ("avg")
adamc@236 1608 | SUM ("sum")
adamc@236 1609 | MIN ("min")
adamc@236 1610 | MAX ("max")