Mercurial > urweb

annotate src/urweb.grm @ 704:70cbdcf5989b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
UNIQUE constraints
author Adam Chlipala <adamc@hcoop.net>
date Tue, 07 Apr 2009 12:24:31 -0400
parents 500e93aa436f
children e6706a1df013
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@1 177 %%
adamc@244 178 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 179
adamc@1 180 %term
adamc@1 181 EOF
adamc@14 182 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 183 | SYMBOL of string | CSYMBOL of string
adamc@1 184 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 185 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@403 186 | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
adamc@623 187 | CON | LTYPE | VAL | REC | AND | FUN | MAP | UNIT | KUNIT | CLASS
adamc@156 188 | DATATYPE | OF
adamc@7 189 | TYPE | NAME
adamc@629 190 | ARROW | LARROW | DARROW | STAR | SEMI | KARROW | DKARROW | BANG
adamc@674 191 | FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE | CARET
adamc@446 192 | LET | IN
adamc@445 193 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL
adamc@338 194 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE
adamc@459 195 | COOKIE
adamc@190 196 | CASE | IF | THEN | ELSE
adamc@1 197
adamc@360 198 | XML_BEGIN of string | XML_END | XML_BEGIN_END of string
adamc@91 199 | NOTAGS of string
adamc@91 200 | BEGIN_TAG of string | END_TAG of string
adamc@91 201
adamc@230 202 | SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 203 | UNION | INTERSECT | EXCEPT
adamc@232 204 | LIMIT | OFFSET | ALL
adamc@220 205 | TRUE | FALSE | CAND | OR | NOT
adamc@236 206 | COUNT | AVG | SUM | MIN | MAX
adamc@268 207 | ASC | DESC
adamc@470 208 | INSERT | INTO | VALUES | UPDATE | SET | DELETE | NULL | IS
adamc@441 209 | CURRENT_TIMESTAMP
adamc@219 210 | NE | LT | LE | GT | GE
adamc@704 211 | CCONSTRAINT | UNIQUE
adamc@204 212
adamc@30 213 %nonterm
adamc@1 214 file of decl list
adamc@1 215 | decls of decl list
adamc@325 216 | decl of decl list
adamc@123 217 | vali of string * con option * exp
adamc@123 218 | valis of (string * con option * exp) list
adamc@242 219 | copt of con option
adamc@1 220
adamc@191 221 | dargs of string list
adamc@156 222 | barOpt of unit
adamc@156 223 | dcons of (string * con option) list
adamc@156 224 | dcon of string * con option
adamc@156 225
adamc@704 226 | cst of exp
adamc@704 227 | csts of exp
adamc@704 228 | cstopt of exp
adamc@704 229
adamc@30 230 | sgn of sgn
adamc@42 231 | sgntm of sgn
adamc@30 232 | sgi of sgn_item
adamc@30 233 | sgis of sgn_item list
adamc@30 234
adamc@30 235 | str of str
adamc@30 236
adamc@1 237 | kind of kind
adamc@207 238 | ktuple of kind list
adamc@1 239 | kcolon of explicitness
adamc@240 240 | kopt of kind option
adamc@1 241
adamc@34 242 | path of string list * string
adamc@156 243 | cpath of string list * string
adamc@34 244 | spath of str
adamc@59 245 | mpath of string list
adamc@34 246
adamc@1 247 | cexp of con
adamc@1 248 | capps of con
adamc@1 249 | cterm of con
adamc@195 250 | ctuple of con list
adamc@207 251 | ctuplev of con list
adamc@1 252 | ident of con
adamc@200 253 | idents of con list
adamc@1 254 | rcon of (con * con) list
adamc@83 255 | rconn of (con * con) list
adamc@1 256 | rcone of (con * con) list
adamc@239 257 | cargs of con * kind -> con * kind
adamc@239 258 | cargl of con * kind -> con * kind
adamc@240 259 | cargl2 of con * kind -> con * kind
adamc@239 260 | carg of con * kind -> con * kind
adamc@239 261 | cargp of con * kind -> con * kind
adamc@1 262
adamc@8 263 | eexp of exp
adamc@8 264 | eapps of exp
adamc@8 265 | eterm of exp
adamc@195 266 | etuple of exp list
adamc@12 267 | rexp of (con * exp) list
adamc@91 268 | xml of exp
adamc@91 269 | xmlOne of exp
adamc@141 270 | tag of string * exp
adamc@141 271 | tagHead of string * exp
adamc@434 272 | bind of string * con option * exp
adamc@446 273 | edecl of edecl
adamc@446 274 | edecls of edecl list
adamc@8 275
adamc@241 276 | earg of exp * con -> exp * con
adamc@241 277 | eargp of exp * con -> exp * con
adamc@241 278 | eargs of exp * con -> exp * con
adamc@241 279 | eargl of exp * con -> exp * con
adamc@242 280 | eargl2 of exp * con -> exp * con
adamc@241 281
adamc@170 282 | branch of pat * exp
adamc@170 283 | branchs of (pat * exp) list
adamc@170 284 | pat of pat
adamc@170 285 | pterm of pat
adamc@174 286 | rpat of (string * pat) list * bool
adamc@195 287 | ptuple of pat list
adamc@170 288
adamc@104 289 | attrs of (con * exp) list
adamc@104 290 | attr of con * exp
adamc@104 291 | attrv of exp
adamc@104 292
adamc@204 293 | query of exp
adamc@226 294 | query1 of exp
adamc@204 295 | tables of (con * exp) list
adamc@204 296 | tname of con
adamc@704 297 | tnameW of (con * con)
adamc@704 298 | tnames of con
adamc@704 299 | tnames' of (con * con) list
adamc@204 300 | table of con * exp
adamc@207 301 | tident of con
adamc@207 302 | fident of con
adamc@207 303 | seli of select_item
adamc@207 304 | selis of select_item list
adamc@207 305 | select of select
adamc@209 306 | sqlexp of exp
adamc@209 307 | wopt of exp
adamc@226 308 | groupi of group_item
adamc@226 309 | groupis of group_item list
adamc@226 310 | gopt of group_item list option
adamc@227 311 | hopt of exp
adamc@230 312 | obopt of exp
adamc@268 313 | obitem of exp * exp
adamc@230 314 | obexps of exp
adamc@268 315 | diropt of exp
adamc@231 316 | lopt of exp
adamc@232 317 | ofopt of exp
adamc@231 318 | sqlint of exp
adamc@236 319 | sqlagg of string
adamc@207 320
adamc@302 321 | texp of exp
adamc@302 322 | fields of con list
adamc@302 323 | sqlexps of exp list
adamc@303 324 | fsets of (con * exp) list
adamc@310 325 | enterDml of unit
adamc@310 326 | leaveDml of unit
adamc@302 327
adamc@204 328
adamc@1 329 %verbose (* print summary of errors *)
adamc@1 330 %pos int (* positions *)
adamc@1 331 %start file
adamc@1 332 %pure
adamc@1 333 %eop EOF
adamc@1 334 %noshift EOF
adamc@1 335
adamc@244 336 %name Urweb
adamc@1 337
adamc@623 338 %right KARROW
adamc@623 339 %nonassoc DKARROW
adamc@243 340 %right SEMI
adamc@243 341 %nonassoc LARROW
adamc@195 342 %nonassoc IF THEN ELSE
adamc@1 343 %nonassoc DARROW
adamc@1 344 %nonassoc COLON
adamc@6 345 %nonassoc DCOLON TCOLON
adamc@229 346 %left UNION INTERSECT EXCEPT
adamc@1 347 %right COMMA
adamc@220 348 %right OR
adamc@220 349 %right CAND
adamc@470 350 %nonassoc EQ NE LT LE GT GE IS
adamc@243 351 %right ARROW
adamc@674 352 %right CARET PLUSPLUS MINUSMINUS MINUSMINUSMINUS
adamc@389 353 %left PLUS MINUS
adamc@389 354 %left STAR DIVIDE MOD
adamc@220 355 %left NOT
adamc@84 356 %nonassoc TWIDDLE
adamc@1 357 %nonassoc DOLLAR
adamc@1 358 %left DOT
adamc@221 359 %nonassoc LBRACE RBRACE
adamc@1 360
adamc@1 361 %%
adamc@1 362
adamc@1 363 file : decls (decls)
adamc@54 364 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 365 s (SIGleft, sgisright))])
adamc@1 366
adamc@1 367 decls : ([])
adamc@325 368 | decl decls (decl @ decls)
adamc@1 369
adamc@240 370 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 371 val loc = s (CONleft, cexpright)
adamc@240 372
adamc@240 373 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 374 val (c, k) = cargl2 (cexp, k)
adamc@240 375 in
adamc@325 376 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 377 end)
adamc@325 378 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 379 s (LTYPEleft, cexpright))])
adamc@325 380 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 381 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 382 (case dargs of
adamc@325 383 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 384 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 385 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 386 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 387 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 388
adamc@325 389 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 390 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 391 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 392 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 393 ([(DStr (CSYMBOL1, NONE,
adamc@325 394 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 395 s (FUNCTORleft, strright))])
adamc@42 396 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 397 ([(DStr (CSYMBOL1, NONE,
adamc@325 398 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 399 s (FUNCTORleft, strright))])
adamc@325 400 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 401 | OPEN mpath (case mpath of
adamc@61 402 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 403 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 404 | OPEN mpath LPAREN str RPAREN (let
adamc@325 405 val loc = s (OPENleft, RPARENright)
adamc@325 406
adamc@325 407 val m = case mpath of
adamc@325 408 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 409 | m :: ms =>
adamc@325 410 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 411 (StrVar m, loc) ms
adamc@325 412 in
adamc@325 413 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 414 (DOpen ("anon", []), loc)]
adamc@325 415 end)
adamc@88 416 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 417 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 418 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 419 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 420 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@704 421 | TABLE SYMBOL COLON cterm cstopt([(DTable (SYMBOL, entable cterm, cstopt), s (TABLEleft, cstoptright))])
adamc@338 422 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@563 423 | CLASS SYMBOL EQ cexp (let
adamc@563 424 val loc = s (CLASSleft, cexpright)
adamc@563 425 in
adamc@563 426 [(DClass (SYMBOL, (KWild, loc), cexp), loc)]
adamc@563 427 end)
adamc@563 428 | CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
adamc@211 429 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 430 val loc = s (CLASSleft, cexpright)
adamc@563 431 val k = (KWild, loc)
adamc@211 432 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 433 in
adamc@563 434 [(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
adamc@563 435 end)
adamc@563 436 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 437 val loc = s (CLASSleft, cexpright)
adamc@563 438 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 439 in
adamc@563 440 [(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
adamc@211 441 end)
adamc@459 442 | COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@30 443
adamc@240 444 kopt : (NONE)
adamc@240 445 | DCOLON kind (SOME kind)
adamc@240 446
adamc@191 447 dargs : ([])
adamc@191 448 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 449
adamc@156 450 barOpt : ()
adamc@156 451 | BAR ()
adamc@156 452
adamc@156 453 dcons : dcon ([dcon])
adamc@156 454 | dcon BAR dcons (dcon :: dcons)
adamc@156 455
adamc@156 456 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 457 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 458
adamc@242 459 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 460 val loc = s (SYMBOLleft, eexpright)
adamc@242 461 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 462
adamc@242 463 val (e, t) = eargl2 (eexp, t)
adamc@242 464 in
adamc@242 465 (SYMBOL, SOME t, e)
adamc@242 466 end)
adamc@242 467
adamc@242 468 copt : (NONE)
adamc@242 469 | COLON cexp (SOME cexp)
adamc@123 470
adamc@704 471 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704 472 | csts (csts)
adamc@704 473
adamc@704 474 csts : CCONSTRAINT tname cst (let
adamc@704 475 val loc = s (CCONSTRAINTleft, cstright)
adamc@704 476
adamc@704 477 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704 478 val e = (ECApp (e, tname), loc)
adamc@704 479 in
adamc@704 480 (EApp (e, cst), loc)
adamc@704 481 end)
adamc@704 482 | csts COMMA csts (let
adamc@704 483 val loc = s (csts1left, csts2right)
adamc@704 484
adamc@704 485 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704 486 val e = (EApp (e, csts1), loc)
adamc@704 487 in
adamc@704 488 (EApp (e, csts2), loc)
adamc@704 489 end)
adamc@704 490 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704 491
adamc@704 492 cst : UNIQUE tnames (let
adamc@704 493 val loc = s (UNIQUEleft, tnamesright)
adamc@704 494
adamc@704 495 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@704 496 val e = (ECApp (e, tnames), loc)
adamc@704 497 in
adamc@704 498 (EDisjointApp e, loc)
adamc@704 499 end)
adamc@704 500 | LBRACE eexp RBRACE (eexp)
adamc@704 501
adamc@704 502 tnameW : tname (let
adamc@704 503 val loc = s (tnameleft, tnameright)
adamc@704 504 in
adamc@704 505 (tname, (CWild (KType, loc), loc))
adamc@704 506 end)
adamc@704 507
adamc@704 508 tnames : tnameW (CRecord [tnameW], s (tnameWleft, tnameWright))
adamc@704 509 | LPAREN tnames' RPAREN (CRecord tnames', s (LPARENleft, RPARENright))
adamc@704 510 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@704 511
adamc@704 512 tnames': tnameW ([tnameW])
adamc@704 513 | tnameW COMMA tnames' (tnameW :: tnames')
adamc@704 514
adamc@123 515 valis : vali ([vali])
adamc@123 516 | vali AND valis (vali :: valis)
adamc@123 517
adamc@42 518 sgn : sgntm (sgntm)
adamc@40 519 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 520 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 521
adamc@42 522 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 523 | mpath (case mpath of
adamc@61 524 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 525 | [x] => SgnVar x
adamc@59 526 | m :: ms => SgnProj (m,
adamc@59 527 List.take (ms, length ms - 1),
adamc@59 528 List.nth (ms, length ms - 1)),
adamc@59 529 s (mpathleft, mpathright))
adamc@42 530 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 531 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 532 | LPAREN sgn RPAREN (sgn)
adamc@42 533
adamc@30 534 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 535 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 536 s (LTYPEleft, SYMBOLright))
adamc@30 537 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 538 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 539 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 540 s (LTYPEleft, cexpright))
adamc@191 541 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 542 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 543 (case dargs of
adamc@191 544 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 545 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 546 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 547
adamc@30 548 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 549 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 550 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 551 (SgiStr (CSYMBOL1,
adamc@42 552 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 553 s (FUNCTORleft, sgn2right))
adamc@58 554 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 555 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@460 556 | TABLE SYMBOL COLON cexp (let
adamc@460 557 val loc = s (TABLEleft, cexpright)
adamc@460 558 val t = (CApp ((CVar (["Basis"], "sql_table"), loc),
adamc@460 559 entable cexp), loc)
adamc@460 560 in
adamc@460 561 (SgiVal (SYMBOL, t), loc)
adamc@460 562 end)
adamc@460 563 | SEQUENCE SYMBOL (let
adamc@460 564 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 565 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 566 in
adamc@460 567 (SgiVal (SYMBOL, t), loc)
adamc@460 568 end)
adamc@563 569 | CLASS SYMBOL (let
adamc@563 570 val loc = s (CLASSleft, SYMBOLright)
adamc@563 571 in
adamc@563 572 (SgiClassAbs (SYMBOL, (KWild, loc)), loc)
adamc@563 573 end)
adamc@563 574 | CLASS SYMBOL DCOLON kind (let
adamc@563 575 val loc = s (CLASSleft, kindright)
adamc@563 576 in
adamc@563 577 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 578 end)
adamc@563 579 | CLASS SYMBOL EQ cexp (let
adamc@563 580 val loc = s (CLASSleft, cexpright)
adamc@563 581 in
adamc@563 582 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 583 end)
adamc@563 584 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 585 val loc = s (CLASSleft, cexpright)
adamc@563 586 in
adamc@563 587 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 588 end)
adamc@211 589 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 590 val loc = s (CLASSleft, cexpright)
adamc@563 591 val k = (KWild, loc)
adamc@211 592 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 593 in
adamc@563 594 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 595 end)
adamc@563 596 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 597 val loc = s (CLASSleft, cexpright)
adamc@563 598 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 599 in
adamc@563 600 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 601 end)
adamc@460 602 | COOKIE SYMBOL COLON cexp (let
adamc@460 603 val loc = s (COOKIEleft, cexpright)
adamc@460 604 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 605 entable cexp), loc)
adamc@460 606 in
adamc@460 607 (SgiVal (SYMBOL, t), loc)
adamc@460 608 end)
adamc@30 609
adamc@30 610 sgis : ([])
adamc@30 611 | sgi sgis (sgi :: sgis)
adamc@30 612
adamc@30 613 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 614 | spath (spath)
adamc@40 615 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 616 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 617 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 618 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 619 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 620
adamc@34 621 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 622 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 623
adamc@1 624 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 625 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 626 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 627 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 628 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 629 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 630 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 631 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 632 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 633 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 634
adamc@207 635 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 636 | kind STAR ktuple (kind :: ktuple)
adamc@1 637
adamc@1 638 capps : cterm (cterm)
adamc@1 639 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 640
adamc@1 641 cexp : capps (capps)
adamc@1 642 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 643 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 644 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 645
adamc@1 646 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 647
adamc@239 648 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 649 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 650 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 651
adamc@8 652 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 653
adamc@18 654 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 655 | ctuple (let
adamc@195 656 val loc = s (ctupleleft, ctupleright)
adamc@195 657 in
adamc@195 658 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 659 ((CName (Int.toString (i + 1)), loc),
adamc@195 660 c)) ctuple),
adamc@195 661 loc), loc)
adamc@195 662 end)
adamc@18 663
adamc@1 664 kcolon : DCOLON (Explicit)
adamc@1 665 | TCOLON (Implicit)
adamc@1 666
adamc@239 667 cargs : carg (carg)
adamc@239 668 | cargl (cargl)
adamc@239 669
adamc@239 670 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 671 | cargp cargl (cargp o cargl)
adamc@239 672
adamc@240 673 cargl2 : (fn x => x)
adamc@240 674 | cargp cargl2 (cargp o cargl2)
adamc@240 675
adamc@241 676 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 677 let
adamc@239 678 val loc = s (SYMBOLleft, kindright)
adamc@239 679 in
adamc@239 680 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 681 (KArrow (kind, k), loc))
adamc@239 682 end)
adamc@329 683 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 684 let
adamc@329 685 val loc = s (UNDERleft, kindright)
adamc@329 686 in
adamc@329 687 ((CAbs ("_", SOME kind, c), loc),
adamc@329 688 (KArrow (kind, k), loc))
adamc@329 689 end)
adamc@241 690 | cargp (cargp)
adamc@239 691
adamc@239 692 cargp : SYMBOL (fn (c, k) =>
adamc@239 693 let
adamc@239 694 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 695 in
adamc@239 696 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 697 (KArrow ((KWild, loc), k), loc))
adamc@239 698 end)
adamc@329 699 | UNDER (fn (c, k) =>
adamc@329 700 let
adamc@329 701 val loc = s (UNDERleft, UNDERright)
adamc@329 702 in
adamc@329 703 ((CAbs ("_", NONE, c), loc),
adamc@329 704 (KArrow ((KWild, loc), k), loc))
adamc@329 705 end)
adamc@239 706 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 707 let
adamc@239 708 val loc = s (LPARENleft, RPARENright)
adamc@239 709 in
adamc@239 710 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 711 (KArrow (kind, k), loc))
adamc@239 712 end)
adamc@628 713
adamc@239 714
adamc@34 715 path : SYMBOL ([], SYMBOL)
adamc@34 716 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 717
adamc@156 718 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 719 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 720
adamc@59 721 mpath : CSYMBOL ([CSYMBOL])
adamc@59 722 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 723
adamc@1 724 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 725 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 726 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 727 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 728 s (LBRACEleft, RBRACEright))
adamc@1 729 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 730 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 731 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 732
adamc@34 733 | path (CVar path, s (pathleft, pathright))
adamc@207 734 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 735 s (pathleft, INTright))
adamc@18 736 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 737 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 738 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 739 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 740
adamc@207 741 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 742 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 743
adamc@196 744 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 745 | capps STAR ctuple (capps :: ctuple)
adamc@195 746
adamc@1 747 rcon : ([])
adamc@1 748 | ident EQ cexp ([(ident, cexp)])
adamc@1 749 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 750
adamc@83 751 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 752 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 753
adamc@1 754 rcone : ([])
adamc@1 755 | ident COLON cexp ([(ident, cexp)])
adamc@1 756 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 757
adamc@1 758 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 759 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 760 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 761
adamc@8 762 eapps : eterm (eterm)
adamc@8 763 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 764 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 765 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 766
adamc@8 767 eexp : eapps (eapps)
adamc@241 768 | FN eargs DARROW eexp (let
adamc@93 769 val loc = s (FNleft, eexpright)
adamc@93 770 in
adamc@241 771 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 772 end)
adamc@623 773 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 774 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 775 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 776 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 777 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 778 | IF eexp THEN eexp ELSE eexp (let
adamc@190 779 val loc = s (IFleft, eexp3right)
adamc@190 780 in
adamc@190 781 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 782 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 783 end)
adamc@434 784 | bind SEMI eexp (let
adamc@434 785 val loc = s (bindleft, eexpright)
adamc@434 786 val (v, to, e1) = bind
adamc@403 787 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 788 val e = (EApp (e, e1), loc)
adamc@243 789 in
adamc@434 790 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 791 end)
adamc@256 792 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 793 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 794 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 795 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 796 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 797 | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
adamc@389 798 | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 799 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 800
adamc@391 801 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 802 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 803 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 804 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 805
adamc@445 806 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 807
adamc@674 808 | eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674 809
adamc@434 810 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 811 | UNIT LARROW eapps (let
adamc@434 812 val loc = s (UNITleft, eappsright)
adamc@434 813 in
adamc@434 814 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 815 end)
adamc@434 816 | eapps (let
adamc@434 817 val loc = s (eappsleft, eappsright)
adamc@434 818 in
adamc@434 819 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 820 end)
adamc@434 821
adamc@241 822 eargs : earg (earg)
adamc@241 823 | eargl (eargl)
adamc@241 824
adamc@241 825 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 826 | eargp eargl (eargp o eargl)
adamc@241 827
adamc@242 828 eargl2 : (fn x => x)
adamc@242 829 | eargp eargl2 (eargp o eargl2)
adamc@242 830
adamc@241 831 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 832 let
adamc@241 833 val loc = s (SYMBOLleft, kindright)
adamc@241 834 in
adamc@241 835 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 836 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 837 end)
adamc@241 838 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 839 let
adamc@241 840 val loc = s (SYMBOLleft, cexpright)
adamc@241 841 in
adamc@241 842 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 843 (TFun (cexp, t), loc))
adamc@241 844 end)
adamc@241 845 | UNDER COLON cexp (fn (e, t) =>
adamc@241 846 let
adamc@241 847 val loc = s (UNDERleft, cexpright)
adamc@241 848 in
adamc@241 849 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 850 (TFun (cexp, t), loc))
adamc@241 851 end)
adamc@241 852 | eargp (eargp)
adamc@241 853
adamc@241 854 eargp : SYMBOL (fn (e, t) =>
adamc@241 855 let
adamc@241 856 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 857 in
adamc@241 858 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 859 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 860 end)
adamc@241 861 | UNIT (fn (e, t) =>
adamc@241 862 let
adamc@241 863 val loc = s (UNITleft, UNITright)
adamc@241 864 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 865 in
adamc@241 866 ((EAbs ("_", SOME t', e), loc),
adamc@241 867 (TFun (t', t), loc))
adamc@241 868 end)
adamc@241 869 | UNDER (fn (e, t) =>
adamc@241 870 let
adamc@241 871 val loc = s (UNDERleft, UNDERright)
adamc@241 872 in
adamc@241 873 ((EAbs ("_", NONE, e), loc),
adamc@241 874 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 875 end)
adamc@241 876 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 877 let
adamc@241 878 val loc = s (LPARENleft, RPARENright)
adamc@241 879 in
adamc@241 880 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 881 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 882 end)
adamc@241 883 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 884 let
adamc@241 885 val loc = s (LPARENleft, RPARENright)
adamc@241 886 in
adamc@241 887 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 888 (TFun (cexp, t), loc))
adamc@241 889 end)
adamc@241 890 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 891 let
adamc@241 892 val loc = s (LPARENleft, RPARENright)
adamc@241 893 in
adamc@241 894 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 895 (TFun (cexp, t), loc))
adamc@241 896 end)
adamc@478 897 | LPAREN cexp TWIDDLE cexp RPAREN (fn (e, t) =>
adamc@354 898 let
adamc@354 899 val loc = s (LPARENleft, RPARENright)
adamc@354 900 in
adamc@478 901 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 902 (TDisjoint (cexp1, cexp2, t), loc))
adamc@354 903 end)
adamc@478 904 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 905 let
adamc@356 906 val loc = s (LBRACKleft, RBRACKright)
adamc@356 907 in
adamc@478 908 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 909 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 910 end)
adamc@623 911 | CSYMBOL (fn (e, t) =>
adamc@623 912 let
adamc@623 913 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 914 in
adamc@623 915 ((EKAbs (CSYMBOL, e), loc),
adamc@623 916 (TKFun (CSYMBOL, t), loc))
adamc@623 917 end)
adamc@241 918
adamc@8 919 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 920 | LPAREN etuple RPAREN (let
adamc@195 921 val loc = s (LPARENleft, RPARENright)
adamc@195 922 in
adamc@195 923 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 924 ((CName (Int.toString (i + 1)), loc),
adamc@195 925 e)) etuple), loc)
adamc@195 926 end)
adamc@8 927
adamc@403 928 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 929 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 930 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 931 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 932 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 933 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 934 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 935 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 936
adamc@14 937 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 938 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 939 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 940
adamc@200 941 | path DOT idents (let
adamc@200 942 val loc = s (pathleft, identsright)
adamc@200 943 in
adamc@200 944 foldl (fn (ident, e) =>
adamc@200 945 (EField (e, ident), loc))
adamc@403 946 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 947 end)
adamc@403 948 | AT path DOT idents (let
adamc@403 949 val loc = s (ATleft, identsright)
adamc@403 950 in
adamc@403 951 foldl (fn (ident, e) =>
adamc@403 952 (EField (e, ident), loc))
adamc@403 953 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 954 end)
adamc@403 955 | AT AT path DOT idents (let
adamc@403 956 val loc = s (AT1left, identsright)
adamc@403 957 in
adamc@403 958 foldl (fn (ident, e) =>
adamc@403 959 (EField (e, ident), loc))
adamc@403 960 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 961 end)
adamc@71 962
adamc@360 963 | XML_BEGIN xml XML_END (let
adamc@360 964 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 965 in
adamc@360 966 if XML_BEGIN = "xml" then
adamc@360 967 ()
adamc@360 968 else
adamc@360 969 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 970 xml
adamc@360 971 end)
adamc@360 972 | XML_BEGIN XML_END (let
adamc@360 973 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 974 in
adamc@360 975 if XML_BEGIN = "xml" then
adamc@360 976 ()
adamc@360 977 else
adamc@360 978 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 979 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 980 (EPrim (Prim.String ""), loc)),
adamc@360 981 loc)
adamc@360 982 end)
adamc@360 983 | XML_BEGIN_END (let
adamc@360 984 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 985 in
adamc@360 986 if XML_BEGIN_END = "xml" then
adamc@360 987 ()
adamc@360 988 else
adamc@360 989 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 990 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 991 (EPrim (Prim.String ""), loc)),
adamc@360 992 loc)
adamc@360 993 end)
adamc@302 994
adamc@204 995 | LPAREN query RPAREN (query)
adamc@300 996 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 997 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 998
adamc@302 999 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 1000 (let
adamc@302 1001 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 1002
adamc@403 1003 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 1004 val e = (EApp (e, texp), loc)
adamc@302 1005 in
adamc@302 1006 if length fields <> length sqlexps then
adamc@302 1007 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 1008 else
adamc@302 1009 ();
adamc@302 1010 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 1011 end)
adamc@310 1012 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 1013 (let
adamc@303 1014 val loc = s (LPARENleft, RPARENright)
adamc@303 1015
adamc@403 1016 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 1017 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@632 1018 val e = (EDisjointApp e, loc)
adamc@306 1019 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 1020 val e = (EApp (e, texp), loc)
adamc@303 1021 in
adamc@303 1022 (EApp (e, sqlexp), loc)
adamc@303 1023 end)
adamc@310 1024 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 1025 (let
adamc@304 1026 val loc = s (LPARENleft, RPARENright)
adamc@304 1027
adamc@403 1028 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 1029 val e = (EApp (e, texp), loc)
adamc@304 1030 in
adamc@304 1031 (EApp (e, sqlexp), loc)
adamc@304 1032 end)
adamc@302 1033
adamc@211 1034 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 1035
adamc@446 1036 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 1037
adamc@446 1038 edecls : ([])
adamc@446 1039 | edecl edecls (edecl :: edecls)
adamc@446 1040
adamc@446 1041 edecl : VAL vali ((EDVal vali, s (VALleft, valiright)))
adamc@446 1042 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 1043 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 1044
adamc@310 1045 enterDml : (inDml := true)
adamc@310 1046 leaveDml : (inDml := false)
adamc@310 1047
adamc@403 1048 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 1049 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 1050
adamc@302 1051 fields : fident ([fident])
adamc@302 1052 | fident COMMA fields (fident :: fields)
adamc@302 1053
adamc@302 1054 sqlexps: sqlexp ([sqlexp])
adamc@302 1055 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1056
adamc@303 1057 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1058 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1059
adamc@200 1060 idents : ident ([ident])
adamc@200 1061 | ident DOT idents (ident :: idents)
adamc@200 1062
adamc@195 1063 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1064 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1065
adamc@170 1066 branch : pat DARROW eexp (pat, eexp)
adamc@170 1067
adamc@170 1068 branchs: ([])
adamc@170 1069 | BAR branch branchs (branch :: branchs)
adamc@170 1070
adamc@170 1071 pat : pterm (pterm)
adamc@170 1072 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1073
adamc@170 1074 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1075 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1076 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1077 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 1078 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 1079 | LPAREN pat RPAREN (pat)
adamc@174 1080 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1081 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1082 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1083 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1084 false),
adamc@195 1085 s (LPARENleft, RPARENright))
adamc@174 1086
adamc@175 1087 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1088 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1089 | DOTDOTDOT ([], true)
adamc@175 1090 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1091 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1092
adamc@195 1093 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1094 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1095
adamc@12 1096 rexp : ([])
adamc@12 1097 | ident EQ eexp ([(ident, eexp)])
adamc@12 1098 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1099
adamc@141 1100 xml : xmlOne xml (let
adamc@141 1101 val pos = s (xmlOneleft, xmlright)
adamc@141 1102 in
adamc@141 1103 (EApp ((EApp (
adamc@403 1104 (EVar (["Basis"], "join", Infer), pos),
adamc@91 1105 xmlOne), pos),
adamc@141 1106 xml), pos)
adamc@141 1107 end)
adamc@141 1108 | xmlOne (xmlOne)
adamc@91 1109
adamc@403 1110 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1111 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1112 s (NOTAGSleft, NOTAGSright))
adamc@141 1113 | tag DIVIDE GT (let
adamc@141 1114 val pos = s (tagleft, GTright)
adamc@141 1115 in
adamc@141 1116 (EApp (#2 tag,
adamc@403 1117 (EApp ((EVar (["Basis"], "cdata", Infer), pos),
adamc@141 1118 (EPrim (Prim.String ""), pos)),
adamc@141 1119 pos)), pos)
adamc@141 1120 end)
adamc@141 1121
adamc@141 1122 | tag GT xml END_TAG (let
adamc@141 1123 val pos = s (tagleft, GTright)
adamc@325 1124 val et = tagIn END_TAG
adamc@141 1125 in
adamc@325 1126 if #1 tag = et then
adamc@361 1127 if et = "form" then
adamc@403 1128 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@141 1129 xml), pos)
adamc@141 1130 else
adamc@141 1131 (EApp (#2 tag, xml), pos)
adamc@141 1132 else
adamc@325 1133 (if ErrorMsg.anyErrors () then
adamc@325 1134 ()
adamc@325 1135 else
adamc@325 1136 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@623 1137 (EWild, pos))
adamc@141 1138 end)
adamc@141 1139 | LBRACE eexp RBRACE (eexp)
adamc@391 1140 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1141 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1142 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1143 in
adamc@391 1144 (EApp (e, eexp), loc)
adamc@391 1145 end)
adamc@92 1146
adamc@141 1147 tag : tagHead attrs (let
adamc@141 1148 val pos = s (tagHeadleft, attrsright)
adamc@141 1149 in
adamc@141 1150 (#1 tagHead,
adamc@403 1151 (EApp ((EApp ((EVar (["Basis"], "tag", Infer), pos),
adamc@141 1152 (ERecord attrs, pos)), pos),
adamc@141 1153 (EApp (#2 tagHead,
adamc@141 1154 (ERecord [], pos)), pos)),
adamc@141 1155 pos))
adamc@141 1156 end)
adamc@141 1157
adamc@141 1158 tagHead: BEGIN_TAG (let
adamc@325 1159 val bt = tagIn BEGIN_TAG
adamc@141 1160 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1161 in
adamc@325 1162 (bt,
adamc@473 1163 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1164 end)
adamc@141 1165 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1166
adamc@104 1167 attrs : ([])
adamc@104 1168 | attr attrs (attr :: attrs)
adamc@104 1169
adamc@204 1170 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 1171
adamc@104 1172 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1173 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1174 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1175 | LBRACE eexp RBRACE (eexp)
adamc@226 1176
adamc@232 1177 query : query1 obopt lopt ofopt (let
adamc@229 1178 val loc = s (query1left, query1right)
adamc@230 1179
adamc@230 1180 val re = (ERecord [((CName "Rows", loc),
adamc@230 1181 query1),
adamc@230 1182 ((CName "OrderBy", loc),
adamc@231 1183 obopt),
adamc@231 1184 ((CName "Limit", loc),
adamc@232 1185 lopt),
adamc@232 1186 ((CName "Offset", loc),
adamc@232 1187 ofopt)], loc)
adamc@229 1188 in
adamc@403 1189 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1190 end)
adamc@204 1191
adamc@227 1192 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 1193 (let
adamc@204 1194 val loc = s (SELECTleft, tablesright)
adamc@207 1195
adamc@233 1196 val (sel, exps) =
adamc@207 1197 case select of
adamc@233 1198 Star => (map (fn (nm, _) =>
adamc@233 1199 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1200 loc),
adamc@233 1201 (CRecord [], loc)],
adamc@233 1202 loc))) tables,
adamc@233 1203 [])
adamc@207 1204 | Items sis =>
adamc@207 1205 let
adamc@207 1206 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 1207 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 1208 in
adamc@233 1209 (map (fn (nm, c) => (nm,
adamc@233 1210 (CTuple [c,
adamc@233 1211 (CWild (KRecord (KType, loc), loc),
adamc@233 1212 loc)], loc))) tabs,
adamc@233 1213 exps)
adamc@207 1214 end
adamc@207 1215
adamc@207 1216 val sel = (CRecord sel, loc)
adamc@207 1217
adamc@226 1218 val grp = case gopt of
adamc@403 1219 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1220 Infer), loc),
adamc@226 1221 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1222 loc), loc)), loc)
adamc@226 1223 | SOME gis =>
adamc@226 1224 let
adamc@226 1225 val tabs = map (fn (nm, _) =>
adamc@226 1226 (nm, (CRecord [], loc))) tables
adamc@226 1227 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1228
adamc@226 1229 val tabs = map (fn (nm, c) =>
adamc@226 1230 (nm,
adamc@226 1231 (CTuple [c,
adamc@226 1232 (CWild (KRecord (KType, loc),
adamc@226 1233 loc),
adamc@226 1234 loc)], loc))) tabs
adamc@226 1235 in
adamc@403 1236 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1237 (CRecord tabs, loc)), loc)
adamc@226 1238 end
adamc@226 1239
adamc@403 1240 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@209 1241 val re = (ERecord [((CName "From", loc),
adamc@209 1242 (ERecord tables, loc)),
adamc@209 1243 ((CName "Where", loc),
adamc@223 1244 wopt),
adamc@224 1245 ((CName "GroupBy", loc),
adamc@226 1246 grp),
adamc@224 1247 ((CName "Having", loc),
adamc@224 1248 hopt),
adamc@223 1249 ((CName "SelectFields", loc),
adamc@403 1250 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1251 sel), loc)),
adamc@233 1252 ((CName "SelectExps", loc),
adamc@233 1253 (ERecord exps, loc))], loc)
adamc@223 1254
adamc@209 1255 val e = (EApp (e, re), loc)
adamc@204 1256 in
adamc@207 1257 e
adamc@204 1258 end)
adamc@229 1259 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1260 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1261 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1262
adamc@204 1263 tables : table ([table])
adamc@204 1264 | table COMMA tables (table :: tables)
adamc@204 1265
adamc@204 1266 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1267 | LBRACE cexp RBRACE (cexp)
adamc@204 1268
adamc@243 1269 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1270 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1271 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1272 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1273
adamc@243 1274 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1275 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1276 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1277
adamc@207 1278 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1279 | LBRACE cexp RBRACE (cexp)
adamc@207 1280
adamc@207 1281 seli : tident DOT fident (Field (tident, fident))
adamc@233 1282 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1283 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1284
adamc@207 1285 selis : seli ([seli])
adamc@207 1286 | seli COMMA selis (seli :: selis)
adamc@207 1287
adamc@207 1288 select : STAR (Star)
adamc@207 1289 | selis (Items selis)
adamc@209 1290
adamc@403 1291 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1292 s (TRUEleft, TRUEright)))
adamc@403 1293 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1294 s (FALSEleft, FALSEright)))
adamc@209 1295
adamc@222 1296 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1297 s (INTleft, INTright)))
adamc@222 1298 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1299 s (FLOATleft, FLOATright)))
adamc@229 1300 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1301 s (STRINGleft, STRINGright)))
adamc@441 1302 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1303 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1304
adamc@221 1305 | tident DOT fident (let
adamc@221 1306 val loc = s (tidentleft, fidentright)
adamc@403 1307 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1308 val e = (ECApp (e, tident), loc)
adamc@221 1309 in
adamc@221 1310 (ECApp (e, fident), loc)
adamc@221 1311 end)
adamc@234 1312 | CSYMBOL (let
adamc@234 1313 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1314 in
adamc@310 1315 if !inDml then
adamc@310 1316 let
adamc@403 1317 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1318 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1319 in
adamc@310 1320 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1321 end
adamc@310 1322 else
adamc@310 1323 let
adamc@403 1324 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1325 in
adamc@310 1326 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1327 end
adamc@310 1328 end)
adamc@221 1329
adamc@471 1330 | LBRACE eexp RBRACE (eexp)
adamc@470 1331
adamc@559 1332 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1333 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1334 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1335 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1336 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1337 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1338
adamc@559 1339 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1340 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1341 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1342 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1343 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1344
adamc@220 1345 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1346 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1347
adamc@220 1348 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1349 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1350
adamc@470 1351 | sqlexp IS NULL (let
adamc@470 1352 val loc = s (sqlexpleft, NULLright)
adamc@470 1353 in
adamc@470 1354 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1355 sqlexp), loc)
adamc@470 1356 end)
adamc@470 1357
adamc@471 1358 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1359 s (LBRACEleft, RBRACEright)))
adamc@220 1360 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1361
adamc@467 1362 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1363 s (NULLleft, NULLright))))
adamc@467 1364
adamc@235 1365 | COUNT LPAREN STAR RPAREN (let
adamc@235 1366 val loc = s (COUNTleft, RPARENright)
adamc@235 1367 in
adamc@544 1368 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1369 end)
adamc@236 1370 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1371 val loc = s (sqlaggleft, RPARENright)
adamc@236 1372
adamc@403 1373 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1374 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1375 e), loc)
adamc@236 1376 in
adamc@236 1377 (EApp (e, sqlexp), loc)
adamc@236 1378 end)
adamc@235 1379
adamc@403 1380 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1381 dummy))
adamc@209 1382 | CWHERE sqlexp (sqlexp)
adamc@226 1383
adamc@226 1384 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1385
adamc@226 1386 groupis: groupi ([groupi])
adamc@226 1387 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1388
adamc@226 1389 gopt : (NONE)
adamc@226 1390 | GROUP BY groupis (SOME groupis)
adamc@227 1391
adamc@403 1392 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1393 dummy))
adamc@227 1394 | HAVING sqlexp (sqlexp)
adamc@230 1395
adamc@403 1396 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1397 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1398 dummy)
adamc@230 1399 | ORDER BY obexps (obexps)
adamc@230 1400
adamc@268 1401 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1402
adamc@268 1403 obexps : obitem (let
adamc@268 1404 val loc = s (obitemleft, obitemright)
adamc@230 1405
adamc@403 1406 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1407 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1408 loc)
adamc@403 1409 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1410 #1 obitem), loc)
adamc@268 1411 val e = (EApp (e, #2 obitem), loc)
adamc@230 1412 in
adamc@230 1413 (EApp (e, e'), loc)
adamc@230 1414 end)
adamc@268 1415 | obitem COMMA obexps (let
adamc@268 1416 val loc = s (obitemleft, obexpsright)
adamc@230 1417
adamc@403 1418 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1419 #1 obitem), loc)
adamc@268 1420 val e = (EApp (e, #2 obitem), loc)
adamc@230 1421 in
adamc@230 1422 (EApp (e, obexps), loc)
adamc@230 1423 end)
adamc@231 1424
adamc@403 1425 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1426 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1427 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1428
adamc@403 1429 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1430 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1431 | LIMIT sqlint (let
adamc@231 1432 val loc = s (LIMITleft, sqlintright)
adamc@231 1433 in
adamc@403 1434 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1435 end)
adamc@231 1436
adamc@403 1437 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1438 | OFFSET sqlint (let
adamc@232 1439 val loc = s (OFFSETleft, sqlintright)
adamc@232 1440 in
adamc@403 1441 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1442 end)
adamc@232 1443
adamc@231 1444 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1445 | LBRACE eexp RBRACE (eexp)
adamc@236 1446
adamc@236 1447 sqlagg : AVG ("avg")
adamc@236 1448 | SUM ("sum")
adamc@236 1449 | MIN ("min")
adamc@236 1450 | MAX ("max")