Mercurial > urweb

annotate src/urweb.grm @ 652:9db6880184d0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Revising manual, through main syntax section
author Adam Chlipala <adamc@hcoop.net>
date Thu, 12 Mar 2009 10:16:59 -0400
parents 6c4643880df5
children fab5998b840e
rev   line source
adamc@1 1 (* Copyright (c) 2008, 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@493 191 | FN | PLUSPLUS | MINUSMINUS | MINUSMINUSMINUS | DOLLAR | TWIDDLE
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@204 211
adamc@30 212 %nonterm
adamc@1 213 file of decl list
adamc@1 214 | decls of decl list
adamc@325 215 | decl of decl list
adamc@123 216 | vali of string * con option * exp
adamc@123 217 | valis of (string * con option * exp) list
adamc@242 218 | copt of con option
adamc@1 219
adamc@191 220 | dargs of string list
adamc@156 221 | barOpt of unit
adamc@156 222 | dcons of (string * con option) list
adamc@156 223 | dcon of string * con option
adamc@156 224
adamc@30 225 | sgn of sgn
adamc@42 226 | sgntm of sgn
adamc@30 227 | sgi of sgn_item
adamc@30 228 | sgis of sgn_item list
adamc@30 229
adamc@30 230 | str of str
adamc@30 231
adamc@1 232 | kind of kind
adamc@207 233 | ktuple of kind list
adamc@1 234 | kcolon of explicitness
adamc@240 235 | kopt of kind option
adamc@1 236
adamc@34 237 | path of string list * string
adamc@156 238 | cpath of string list * string
adamc@34 239 | spath of str
adamc@59 240 | mpath of string list
adamc@34 241
adamc@1 242 | cexp of con
adamc@1 243 | capps of con
adamc@1 244 | cterm of con
adamc@195 245 | ctuple of con list
adamc@207 246 | ctuplev of con list
adamc@1 247 | ident of con
adamc@200 248 | idents of con list
adamc@1 249 | rcon of (con * con) list
adamc@83 250 | rconn of (con * con) list
adamc@1 251 | rcone of (con * con) list
adamc@239 252 | cargs of con * kind -> con * kind
adamc@239 253 | cargl of con * kind -> con * kind
adamc@240 254 | cargl2 of con * kind -> con * kind
adamc@239 255 | carg of con * kind -> con * kind
adamc@239 256 | cargp of con * kind -> con * kind
adamc@1 257
adamc@8 258 | eexp of exp
adamc@8 259 | eapps of exp
adamc@8 260 | eterm of exp
adamc@195 261 | etuple of exp list
adamc@12 262 | rexp of (con * exp) list
adamc@91 263 | xml of exp
adamc@91 264 | xmlOne of exp
adamc@141 265 | tag of string * exp
adamc@141 266 | tagHead of string * exp
adamc@434 267 | bind of string * con option * exp
adamc@446 268 | edecl of edecl
adamc@446 269 | edecls of edecl list
adamc@8 270
adamc@241 271 | earg of exp * con -> exp * con
adamc@241 272 | eargp of exp * con -> exp * con
adamc@241 273 | eargs of exp * con -> exp * con
adamc@241 274 | eargl of exp * con -> exp * con
adamc@242 275 | eargl2 of exp * con -> exp * con
adamc@241 276
adamc@170 277 | branch of pat * exp
adamc@170 278 | branchs of (pat * exp) list
adamc@170 279 | pat of pat
adamc@170 280 | pterm of pat
adamc@174 281 | rpat of (string * pat) list * bool
adamc@195 282 | ptuple of pat list
adamc@170 283
adamc@104 284 | attrs of (con * exp) list
adamc@104 285 | attr of con * exp
adamc@104 286 | attrv of exp
adamc@104 287
adamc@204 288 | query of exp
adamc@226 289 | query1 of exp
adamc@204 290 | tables of (con * exp) list
adamc@204 291 | tname of con
adamc@204 292 | table of con * exp
adamc@207 293 | tident of con
adamc@207 294 | fident of con
adamc@207 295 | seli of select_item
adamc@207 296 | selis of select_item list
adamc@207 297 | select of select
adamc@209 298 | sqlexp of exp
adamc@209 299 | wopt of exp
adamc@226 300 | groupi of group_item
adamc@226 301 | groupis of group_item list
adamc@226 302 | gopt of group_item list option
adamc@227 303 | hopt of exp
adamc@230 304 | obopt of exp
adamc@268 305 | obitem of exp * exp
adamc@230 306 | obexps of exp
adamc@268 307 | diropt of exp
adamc@231 308 | lopt of exp
adamc@232 309 | ofopt of exp
adamc@231 310 | sqlint of exp
adamc@236 311 | sqlagg of string
adamc@207 312
adamc@302 313 | texp of exp
adamc@302 314 | fields of con list
adamc@302 315 | sqlexps of exp list
adamc@303 316 | fsets of (con * exp) list
adamc@310 317 | enterDml of unit
adamc@310 318 | leaveDml of unit
adamc@302 319
adamc@204 320
adamc@1 321 %verbose (* print summary of errors *)
adamc@1 322 %pos int (* positions *)
adamc@1 323 %start file
adamc@1 324 %pure
adamc@1 325 %eop EOF
adamc@1 326 %noshift EOF
adamc@1 327
adamc@244 328 %name Urweb
adamc@1 329
adamc@623 330 %right KARROW
adamc@623 331 %nonassoc DKARROW
adamc@243 332 %right SEMI
adamc@243 333 %nonassoc LARROW
adamc@195 334 %nonassoc IF THEN ELSE
adamc@1 335 %nonassoc DARROW
adamc@1 336 %nonassoc COLON
adamc@6 337 %nonassoc DCOLON TCOLON
adamc@229 338 %left UNION INTERSECT EXCEPT
adamc@1 339 %right COMMA
adamc@220 340 %right OR
adamc@220 341 %right CAND
adamc@470 342 %nonassoc EQ NE LT LE GT GE IS
adamc@243 343 %right ARROW
adamc@493 344 %right PLUSPLUS MINUSMINUS MINUSMINUSMINUS
adamc@389 345 %left PLUS MINUS
adamc@389 346 %left STAR DIVIDE MOD
adamc@220 347 %left NOT
adamc@84 348 %nonassoc TWIDDLE
adamc@1 349 %nonassoc DOLLAR
adamc@1 350 %left DOT
adamc@221 351 %nonassoc LBRACE RBRACE
adamc@1 352
adamc@1 353 %%
adamc@1 354
adamc@1 355 file : decls (decls)
adamc@54 356 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 357 s (SIGleft, sgisright))])
adamc@1 358
adamc@1 359 decls : ([])
adamc@325 360 | decl decls (decl @ decls)
adamc@1 361
adamc@240 362 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 363 val loc = s (CONleft, cexpright)
adamc@240 364
adamc@240 365 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 366 val (c, k) = cargl2 (cexp, k)
adamc@240 367 in
adamc@325 368 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 369 end)
adamc@325 370 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 371 s (LTYPEleft, cexpright))])
adamc@325 372 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 373 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 374 (case dargs of
adamc@325 375 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 376 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 377 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 378 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 379 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 380
adamc@325 381 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 382 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 383 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 384 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 385 ([(DStr (CSYMBOL1, NONE,
adamc@325 386 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 387 s (FUNCTORleft, strright))])
adamc@42 388 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 389 ([(DStr (CSYMBOL1, NONE,
adamc@325 390 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 391 s (FUNCTORleft, strright))])
adamc@325 392 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 393 | OPEN mpath (case mpath of
adamc@61 394 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 395 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 396 | OPEN mpath LPAREN str RPAREN (let
adamc@325 397 val loc = s (OPENleft, RPARENright)
adamc@325 398
adamc@325 399 val m = case mpath of
adamc@325 400 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 401 | m :: ms =>
adamc@325 402 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 403 (StrVar m, loc) ms
adamc@325 404 in
adamc@325 405 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 406 (DOpen ("anon", []), loc)]
adamc@325 407 end)
adamc@88 408 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 409 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 410 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 411 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 412 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@325 413 | TABLE SYMBOL COLON cexp ([(DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))])
adamc@338 414 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@563 415 | CLASS SYMBOL EQ cexp (let
adamc@563 416 val loc = s (CLASSleft, cexpright)
adamc@563 417 in
adamc@563 418 [(DClass (SYMBOL, (KWild, loc), cexp), loc)]
adamc@563 419 end)
adamc@563 420 | CLASS SYMBOL DCOLON kind EQ cexp ([(DClass (SYMBOL, kind, cexp), s (CLASSleft, cexpright))])
adamc@211 421 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 422 val loc = s (CLASSleft, cexpright)
adamc@563 423 val k = (KWild, loc)
adamc@211 424 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 425 in
adamc@563 426 [(DClass (SYMBOL1, k, c), s (CLASSleft, cexpright))]
adamc@563 427 end)
adamc@563 428 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 429 val loc = s (CLASSleft, cexpright)
adamc@563 430 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 431 in
adamc@563 432 [(DClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))]
adamc@211 433 end)
adamc@459 434 | COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@30 435
adamc@240 436 kopt : (NONE)
adamc@240 437 | DCOLON kind (SOME kind)
adamc@240 438
adamc@191 439 dargs : ([])
adamc@191 440 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 441
adamc@156 442 barOpt : ()
adamc@156 443 | BAR ()
adamc@156 444
adamc@156 445 dcons : dcon ([dcon])
adamc@156 446 | dcon BAR dcons (dcon :: dcons)
adamc@156 447
adamc@156 448 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 449 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 450
adamc@242 451 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 452 val loc = s (SYMBOLleft, eexpright)
adamc@242 453 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 454
adamc@242 455 val (e, t) = eargl2 (eexp, t)
adamc@242 456 in
adamc@242 457 (SYMBOL, SOME t, e)
adamc@242 458 end)
adamc@242 459
adamc@242 460 copt : (NONE)
adamc@242 461 | COLON cexp (SOME cexp)
adamc@123 462
adamc@123 463 valis : vali ([vali])
adamc@123 464 | vali AND valis (vali :: valis)
adamc@123 465
adamc@42 466 sgn : sgntm (sgntm)
adamc@40 467 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 468 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 469
adamc@42 470 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 471 | mpath (case mpath of
adamc@61 472 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 473 | [x] => SgnVar x
adamc@59 474 | m :: ms => SgnProj (m,
adamc@59 475 List.take (ms, length ms - 1),
adamc@59 476 List.nth (ms, length ms - 1)),
adamc@59 477 s (mpathleft, mpathright))
adamc@42 478 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 479 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 480 | LPAREN sgn RPAREN (sgn)
adamc@42 481
adamc@30 482 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 483 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 484 s (LTYPEleft, SYMBOLright))
adamc@30 485 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 486 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 487 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 488 s (LTYPEleft, cexpright))
adamc@191 489 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 490 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 491 (case dargs of
adamc@191 492 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 493 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 494 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 495
adamc@30 496 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 497 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 498 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 499 (SgiStr (CSYMBOL1,
adamc@42 500 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 501 s (FUNCTORleft, sgn2right))
adamc@58 502 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 503 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@460 504 | TABLE SYMBOL COLON cexp (let
adamc@460 505 val loc = s (TABLEleft, cexpright)
adamc@460 506 val t = (CApp ((CVar (["Basis"], "sql_table"), loc),
adamc@460 507 entable cexp), loc)
adamc@460 508 in
adamc@460 509 (SgiVal (SYMBOL, t), loc)
adamc@460 510 end)
adamc@460 511 | SEQUENCE SYMBOL (let
adamc@460 512 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460 513 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460 514 in
adamc@460 515 (SgiVal (SYMBOL, t), loc)
adamc@460 516 end)
adamc@563 517 | CLASS SYMBOL (let
adamc@563 518 val loc = s (CLASSleft, SYMBOLright)
adamc@563 519 in
adamc@563 520 (SgiClassAbs (SYMBOL, (KWild, loc)), loc)
adamc@563 521 end)
adamc@563 522 | CLASS SYMBOL DCOLON kind (let
adamc@563 523 val loc = s (CLASSleft, kindright)
adamc@563 524 in
adamc@563 525 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563 526 end)
adamc@563 527 | CLASS SYMBOL EQ cexp (let
adamc@563 528 val loc = s (CLASSleft, cexpright)
adamc@563 529 in
adamc@563 530 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563 531 end)
adamc@563 532 | CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563 533 val loc = s (CLASSleft, cexpright)
adamc@563 534 in
adamc@563 535 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563 536 end)
adamc@211 537 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 538 val loc = s (CLASSleft, cexpright)
adamc@563 539 val k = (KWild, loc)
adamc@211 540 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 541 in
adamc@563 542 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563 543 end)
adamc@563 544 | CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563 545 val loc = s (CLASSleft, cexpright)
adamc@563 546 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563 547 in
adamc@563 548 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211 549 end)
adamc@460 550 | COOKIE SYMBOL COLON cexp (let
adamc@460 551 val loc = s (COOKIEleft, cexpright)
adamc@460 552 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460 553 entable cexp), loc)
adamc@460 554 in
adamc@460 555 (SgiVal (SYMBOL, t), loc)
adamc@460 556 end)
adamc@30 557
adamc@30 558 sgis : ([])
adamc@30 559 | sgi sgis (sgi :: sgis)
adamc@30 560
adamc@30 561 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 562 | spath (spath)
adamc@40 563 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 564 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 565 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 566 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 567 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 568
adamc@34 569 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 570 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 571
adamc@1 572 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 573 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 574 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 575 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 576 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 577 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 578 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 579 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623 580 | CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623 581 | CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207 582
adamc@207 583 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 584 | kind STAR ktuple (kind :: ktuple)
adamc@1 585
adamc@1 586 capps : cterm (cterm)
adamc@1 587 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 588
adamc@1 589 cexp : capps (capps)
adamc@1 590 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 591 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623 592 | CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 593
adamc@1 594 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 595
adamc@239 596 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628 597 | LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623 598 | CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1 599
adamc@8 600 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 601
adamc@18 602 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 603 | ctuple (let
adamc@195 604 val loc = s (ctupleleft, ctupleright)
adamc@195 605 in
adamc@195 606 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 607 ((CName (Int.toString (i + 1)), loc),
adamc@195 608 c)) ctuple),
adamc@195 609 loc), loc)
adamc@195 610 end)
adamc@18 611
adamc@1 612 kcolon : DCOLON (Explicit)
adamc@1 613 | TCOLON (Implicit)
adamc@1 614
adamc@239 615 cargs : carg (carg)
adamc@239 616 | cargl (cargl)
adamc@239 617
adamc@239 618 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 619 | cargp cargl (cargp o cargl)
adamc@239 620
adamc@240 621 cargl2 : (fn x => x)
adamc@240 622 | cargp cargl2 (cargp o cargl2)
adamc@240 623
adamc@241 624 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 625 let
adamc@239 626 val loc = s (SYMBOLleft, kindright)
adamc@239 627 in
adamc@239 628 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 629 (KArrow (kind, k), loc))
adamc@239 630 end)
adamc@329 631 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 632 let
adamc@329 633 val loc = s (UNDERleft, kindright)
adamc@329 634 in
adamc@329 635 ((CAbs ("_", SOME kind, c), loc),
adamc@329 636 (KArrow (kind, k), loc))
adamc@329 637 end)
adamc@241 638 | cargp (cargp)
adamc@239 639
adamc@239 640 cargp : SYMBOL (fn (c, k) =>
adamc@239 641 let
adamc@239 642 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 643 in
adamc@239 644 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 645 (KArrow ((KWild, loc), k), loc))
adamc@239 646 end)
adamc@329 647 | UNDER (fn (c, k) =>
adamc@329 648 let
adamc@329 649 val loc = s (UNDERleft, UNDERright)
adamc@329 650 in
adamc@329 651 ((CAbs ("_", NONE, c), loc),
adamc@329 652 (KArrow ((KWild, loc), k), loc))
adamc@329 653 end)
adamc@239 654 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 655 let
adamc@239 656 val loc = s (LPARENleft, RPARENright)
adamc@239 657 in
adamc@239 658 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 659 (KArrow (kind, k), loc))
adamc@239 660 end)
adamc@628 661
adamc@239 662
adamc@34 663 path : SYMBOL ([], SYMBOL)
adamc@34 664 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 665
adamc@156 666 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 667 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 668
adamc@59 669 mpath : CSYMBOL ([CSYMBOL])
adamc@59 670 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 671
adamc@1 672 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 673 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 674 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 675 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 676 s (LBRACEleft, RBRACEright))
adamc@1 677 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 678 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 679 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 680
adamc@34 681 | path (CVar path, s (pathleft, pathright))
adamc@207 682 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 683 s (pathleft, INTright))
adamc@18 684 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621 685 | MAP (CMap, s (MAPleft, MAPright))
adamc@82 686 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 687 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 688
adamc@207 689 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 690 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 691
adamc@196 692 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 693 | capps STAR ctuple (capps :: ctuple)
adamc@195 694
adamc@1 695 rcon : ([])
adamc@1 696 | ident EQ cexp ([(ident, cexp)])
adamc@1 697 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 698
adamc@83 699 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 700 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 701
adamc@1 702 rcone : ([])
adamc@1 703 | ident COLON cexp ([(ident, cexp)])
adamc@1 704 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 705
adamc@1 706 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 707 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 708 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 709
adamc@8 710 eapps : eterm (eterm)
adamc@8 711 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 712 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629 713 | eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8 714
adamc@8 715 eexp : eapps (eapps)
adamc@241 716 | FN eargs DARROW eexp (let
adamc@93 717 val loc = s (FNleft, eexpright)
adamc@93 718 in
adamc@241 719 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 720 end)
adamc@623 721 | CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196 722 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 723 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493 724 | eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170 725 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 726 | IF eexp THEN eexp ELSE eexp (let
adamc@190 727 val loc = s (IFleft, eexp3right)
adamc@190 728 in
adamc@190 729 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 730 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 731 end)
adamc@434 732 | bind SEMI eexp (let
adamc@434 733 val loc = s (bindleft, eexpright)
adamc@434 734 val (v, to, e1) = bind
adamc@403 735 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 736 val e = (EApp (e, e1), loc)
adamc@243 737 in
adamc@434 738 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 739 end)
adamc@256 740 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 741 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 742 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 743 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 744 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 745 | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
adamc@389 746 | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 747 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 748
adamc@391 749 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 750 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 751 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 752 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 753
adamc@445 754 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 755
adamc@434 756 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 757 | UNIT LARROW eapps (let
adamc@434 758 val loc = s (UNITleft, eappsright)
adamc@434 759 in
adamc@434 760 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 761 end)
adamc@434 762 | eapps (let
adamc@434 763 val loc = s (eappsleft, eappsright)
adamc@434 764 in
adamc@434 765 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 766 end)
adamc@434 767
adamc@241 768 eargs : earg (earg)
adamc@241 769 | eargl (eargl)
adamc@241 770
adamc@241 771 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 772 | eargp eargl (eargp o eargl)
adamc@241 773
adamc@242 774 eargl2 : (fn x => x)
adamc@242 775 | eargp eargl2 (eargp o eargl2)
adamc@242 776
adamc@241 777 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 778 let
adamc@241 779 val loc = s (SYMBOLleft, kindright)
adamc@241 780 in
adamc@241 781 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 782 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 783 end)
adamc@241 784 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 785 let
adamc@241 786 val loc = s (SYMBOLleft, cexpright)
adamc@241 787 in
adamc@241 788 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 789 (TFun (cexp, t), loc))
adamc@241 790 end)
adamc@241 791 | UNDER COLON cexp (fn (e, t) =>
adamc@241 792 let
adamc@241 793 val loc = s (UNDERleft, cexpright)
adamc@241 794 in
adamc@241 795 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 796 (TFun (cexp, t), loc))
adamc@241 797 end)
adamc@241 798 | eargp (eargp)
adamc@241 799
adamc@241 800 eargp : SYMBOL (fn (e, t) =>
adamc@241 801 let
adamc@241 802 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 803 in
adamc@241 804 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 805 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 806 end)
adamc@241 807 | UNIT (fn (e, t) =>
adamc@241 808 let
adamc@241 809 val loc = s (UNITleft, UNITright)
adamc@241 810 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 811 in
adamc@241 812 ((EAbs ("_", SOME t', e), loc),
adamc@241 813 (TFun (t', t), loc))
adamc@241 814 end)
adamc@241 815 | UNDER (fn (e, t) =>
adamc@241 816 let
adamc@241 817 val loc = s (UNDERleft, UNDERright)
adamc@241 818 in
adamc@241 819 ((EAbs ("_", NONE, e), loc),
adamc@241 820 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 821 end)
adamc@241 822 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 823 let
adamc@241 824 val loc = s (LPARENleft, RPARENright)
adamc@241 825 in
adamc@241 826 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 827 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 828 end)
adamc@241 829 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 830 let
adamc@241 831 val loc = s (LPARENleft, RPARENright)
adamc@241 832 in
adamc@241 833 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 834 (TFun (cexp, t), loc))
adamc@241 835 end)
adamc@241 836 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 837 let
adamc@241 838 val loc = s (LPARENleft, RPARENright)
adamc@241 839 in
adamc@241 840 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 841 (TFun (cexp, t), loc))
adamc@241 842 end)
adamc@478 843 | LPAREN cexp TWIDDLE cexp RPAREN (fn (e, t) =>
adamc@354 844 let
adamc@354 845 val loc = s (LPARENleft, RPARENright)
adamc@354 846 in
adamc@478 847 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 848 (TDisjoint (cexp1, cexp2, t), loc))
adamc@354 849 end)
adamc@478 850 | LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356 851 let
adamc@356 852 val loc = s (LBRACKleft, RBRACKright)
adamc@356 853 in
adamc@478 854 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628 855 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356 856 end)
adamc@623 857 | CSYMBOL (fn (e, t) =>
adamc@623 858 let
adamc@623 859 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623 860 in
adamc@623 861 ((EKAbs (CSYMBOL, e), loc),
adamc@623 862 (TKFun (CSYMBOL, t), loc))
adamc@623 863 end)
adamc@241 864
adamc@8 865 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 866 | LPAREN etuple RPAREN (let
adamc@195 867 val loc = s (LPARENleft, RPARENright)
adamc@195 868 in
adamc@195 869 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 870 ((CName (Int.toString (i + 1)), loc),
adamc@195 871 e)) etuple), loc)
adamc@195 872 end)
adamc@8 873
adamc@403 874 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 875 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 876 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 877 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 878 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 879 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 880 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 881 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 882
adamc@14 883 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 884 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 885 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 886
adamc@200 887 | path DOT idents (let
adamc@200 888 val loc = s (pathleft, identsright)
adamc@200 889 in
adamc@200 890 foldl (fn (ident, e) =>
adamc@200 891 (EField (e, ident), loc))
adamc@403 892 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 893 end)
adamc@403 894 | AT path DOT idents (let
adamc@403 895 val loc = s (ATleft, identsright)
adamc@403 896 in
adamc@403 897 foldl (fn (ident, e) =>
adamc@403 898 (EField (e, ident), loc))
adamc@403 899 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 900 end)
adamc@403 901 | AT AT path DOT idents (let
adamc@403 902 val loc = s (AT1left, identsright)
adamc@403 903 in
adamc@403 904 foldl (fn (ident, e) =>
adamc@403 905 (EField (e, ident), loc))
adamc@403 906 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 907 end)
adamc@71 908
adamc@360 909 | XML_BEGIN xml XML_END (let
adamc@360 910 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 911 in
adamc@360 912 if XML_BEGIN = "xml" then
adamc@360 913 ()
adamc@360 914 else
adamc@360 915 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 916 xml
adamc@360 917 end)
adamc@360 918 | XML_BEGIN XML_END (let
adamc@360 919 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 920 in
adamc@360 921 if XML_BEGIN = "xml" then
adamc@360 922 ()
adamc@360 923 else
adamc@360 924 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 925 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 926 (EPrim (Prim.String ""), loc)),
adamc@360 927 loc)
adamc@360 928 end)
adamc@360 929 | XML_BEGIN_END (let
adamc@360 930 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 931 in
adamc@360 932 if XML_BEGIN_END = "xml" then
adamc@360 933 ()
adamc@360 934 else
adamc@360 935 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 936 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 937 (EPrim (Prim.String ""), loc)),
adamc@360 938 loc)
adamc@360 939 end)
adamc@302 940
adamc@204 941 | LPAREN query RPAREN (query)
adamc@300 942 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 943 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 944
adamc@302 945 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 946 (let
adamc@302 947 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 948
adamc@403 949 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 950 val e = (EApp (e, texp), loc)
adamc@302 951 in
adamc@302 952 if length fields <> length sqlexps then
adamc@302 953 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 954 else
adamc@302 955 ();
adamc@302 956 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 957 end)
adamc@310 958 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 959 (let
adamc@303 960 val loc = s (LPARENleft, RPARENright)
adamc@303 961
adamc@403 962 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 963 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@632 964 val e = (EDisjointApp e, loc)
adamc@306 965 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 966 val e = (EApp (e, texp), loc)
adamc@303 967 in
adamc@303 968 (EApp (e, sqlexp), loc)
adamc@303 969 end)
adamc@310 970 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 971 (let
adamc@304 972 val loc = s (LPARENleft, RPARENright)
adamc@304 973
adamc@403 974 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 975 val e = (EApp (e, texp), loc)
adamc@304 976 in
adamc@304 977 (EApp (e, sqlexp), loc)
adamc@304 978 end)
adamc@302 979
adamc@211 980 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 981
adamc@446 982 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 983
adamc@446 984 edecls : ([])
adamc@446 985 | edecl edecls (edecl :: edecls)
adamc@446 986
adamc@446 987 edecl : VAL vali ((EDVal vali, s (VALleft, valiright)))
adamc@446 988 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 989 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 990
adamc@310 991 enterDml : (inDml := true)
adamc@310 992 leaveDml : (inDml := false)
adamc@310 993
adamc@403 994 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 995 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 996
adamc@302 997 fields : fident ([fident])
adamc@302 998 | fident COMMA fields (fident :: fields)
adamc@302 999
adamc@302 1000 sqlexps: sqlexp ([sqlexp])
adamc@302 1001 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 1002
adamc@303 1003 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 1004 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 1005
adamc@200 1006 idents : ident ([ident])
adamc@200 1007 | ident DOT idents (ident :: idents)
adamc@200 1008
adamc@195 1009 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 1010 | eexp COMMA etuple (eexp :: etuple)
adamc@195 1011
adamc@170 1012 branch : pat DARROW eexp (pat, eexp)
adamc@170 1013
adamc@170 1014 branchs: ([])
adamc@170 1015 | BAR branch branchs (branch :: branchs)
adamc@170 1016
adamc@170 1017 pat : pterm (pterm)
adamc@170 1018 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 1019
adamc@170 1020 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 1021 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 1022 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 1023 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 1024 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 1025 | LPAREN pat RPAREN (pat)
adamc@174 1026 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 1027 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 1028 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 1029 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 1030 false),
adamc@195 1031 s (LPARENleft, RPARENright))
adamc@174 1032
adamc@175 1033 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 1034 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 1035 | DOTDOTDOT ([], true)
adamc@175 1036 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 1037 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 1038
adamc@195 1039 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 1040 | pat COMMA ptuple (pat :: ptuple)
adamc@195 1041
adamc@12 1042 rexp : ([])
adamc@12 1043 | ident EQ eexp ([(ident, eexp)])
adamc@12 1044 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 1045
adamc@141 1046 xml : xmlOne xml (let
adamc@141 1047 val pos = s (xmlOneleft, xmlright)
adamc@141 1048 in
adamc@141 1049 (EApp ((EApp (
adamc@403 1050 (EVar (["Basis"], "join", Infer), pos),
adamc@91 1051 xmlOne), pos),
adamc@141 1052 xml), pos)
adamc@141 1053 end)
adamc@141 1054 | xmlOne (xmlOne)
adamc@91 1055
adamc@403 1056 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1057 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1058 s (NOTAGSleft, NOTAGSright))
adamc@141 1059 | tag DIVIDE GT (let
adamc@141 1060 val pos = s (tagleft, GTright)
adamc@141 1061 in
adamc@141 1062 (EApp (#2 tag,
adamc@403 1063 (EApp ((EVar (["Basis"], "cdata", Infer), pos),
adamc@141 1064 (EPrim (Prim.String ""), pos)),
adamc@141 1065 pos)), pos)
adamc@141 1066 end)
adamc@141 1067
adamc@141 1068 | tag GT xml END_TAG (let
adamc@141 1069 val pos = s (tagleft, GTright)
adamc@325 1070 val et = tagIn END_TAG
adamc@141 1071 in
adamc@325 1072 if #1 tag = et then
adamc@361 1073 if et = "form" then
adamc@403 1074 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@141 1075 xml), pos)
adamc@141 1076 else
adamc@141 1077 (EApp (#2 tag, xml), pos)
adamc@141 1078 else
adamc@325 1079 (if ErrorMsg.anyErrors () then
adamc@325 1080 ()
adamc@325 1081 else
adamc@325 1082 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@623 1083 (EWild, pos))
adamc@141 1084 end)
adamc@141 1085 | LBRACE eexp RBRACE (eexp)
adamc@391 1086 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1087 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1088 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1089 in
adamc@391 1090 (EApp (e, eexp), loc)
adamc@391 1091 end)
adamc@92 1092
adamc@141 1093 tag : tagHead attrs (let
adamc@141 1094 val pos = s (tagHeadleft, attrsright)
adamc@141 1095 in
adamc@141 1096 (#1 tagHead,
adamc@403 1097 (EApp ((EApp ((EVar (["Basis"], "tag", Infer), pos),
adamc@141 1098 (ERecord attrs, pos)), pos),
adamc@141 1099 (EApp (#2 tagHead,
adamc@141 1100 (ERecord [], pos)), pos)),
adamc@141 1101 pos))
adamc@141 1102 end)
adamc@141 1103
adamc@141 1104 tagHead: BEGIN_TAG (let
adamc@325 1105 val bt = tagIn BEGIN_TAG
adamc@141 1106 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1107 in
adamc@325 1108 (bt,
adamc@473 1109 (EVar (["Basis"], bt, Infer), pos))
adamc@141 1110 end)
adamc@141 1111 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1112
adamc@104 1113 attrs : ([])
adamc@104 1114 | attr attrs (attr :: attrs)
adamc@104 1115
adamc@204 1116 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 1117
adamc@104 1118 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1119 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1120 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1121 | LBRACE eexp RBRACE (eexp)
adamc@226 1122
adamc@232 1123 query : query1 obopt lopt ofopt (let
adamc@229 1124 val loc = s (query1left, query1right)
adamc@230 1125
adamc@230 1126 val re = (ERecord [((CName "Rows", loc),
adamc@230 1127 query1),
adamc@230 1128 ((CName "OrderBy", loc),
adamc@231 1129 obopt),
adamc@231 1130 ((CName "Limit", loc),
adamc@232 1131 lopt),
adamc@232 1132 ((CName "Offset", loc),
adamc@232 1133 ofopt)], loc)
adamc@229 1134 in
adamc@403 1135 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1136 end)
adamc@204 1137
adamc@227 1138 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 1139 (let
adamc@204 1140 val loc = s (SELECTleft, tablesright)
adamc@207 1141
adamc@233 1142 val (sel, exps) =
adamc@207 1143 case select of
adamc@233 1144 Star => (map (fn (nm, _) =>
adamc@233 1145 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1146 loc),
adamc@233 1147 (CRecord [], loc)],
adamc@233 1148 loc))) tables,
adamc@233 1149 [])
adamc@207 1150 | Items sis =>
adamc@207 1151 let
adamc@207 1152 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 1153 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 1154 in
adamc@233 1155 (map (fn (nm, c) => (nm,
adamc@233 1156 (CTuple [c,
adamc@233 1157 (CWild (KRecord (KType, loc), loc),
adamc@233 1158 loc)], loc))) tabs,
adamc@233 1159 exps)
adamc@207 1160 end
adamc@207 1161
adamc@207 1162 val sel = (CRecord sel, loc)
adamc@207 1163
adamc@226 1164 val grp = case gopt of
adamc@403 1165 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1166 Infer), loc),
adamc@226 1167 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1168 loc), loc)), loc)
adamc@226 1169 | SOME gis =>
adamc@226 1170 let
adamc@226 1171 val tabs = map (fn (nm, _) =>
adamc@226 1172 (nm, (CRecord [], loc))) tables
adamc@226 1173 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1174
adamc@226 1175 val tabs = map (fn (nm, c) =>
adamc@226 1176 (nm,
adamc@226 1177 (CTuple [c,
adamc@226 1178 (CWild (KRecord (KType, loc),
adamc@226 1179 loc),
adamc@226 1180 loc)], loc))) tabs
adamc@226 1181 in
adamc@403 1182 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1183 (CRecord tabs, loc)), loc)
adamc@226 1184 end
adamc@226 1185
adamc@403 1186 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@209 1187 val re = (ERecord [((CName "From", loc),
adamc@209 1188 (ERecord tables, loc)),
adamc@209 1189 ((CName "Where", loc),
adamc@223 1190 wopt),
adamc@224 1191 ((CName "GroupBy", loc),
adamc@226 1192 grp),
adamc@224 1193 ((CName "Having", loc),
adamc@224 1194 hopt),
adamc@223 1195 ((CName "SelectFields", loc),
adamc@403 1196 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1197 sel), loc)),
adamc@233 1198 ((CName "SelectExps", loc),
adamc@233 1199 (ERecord exps, loc))], loc)
adamc@223 1200
adamc@209 1201 val e = (EApp (e, re), loc)
adamc@204 1202 in
adamc@207 1203 e
adamc@204 1204 end)
adamc@229 1205 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1206 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1207 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1208
adamc@204 1209 tables : table ([table])
adamc@204 1210 | table COMMA tables (table :: tables)
adamc@204 1211
adamc@204 1212 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1213 | LBRACE cexp RBRACE (cexp)
adamc@204 1214
adamc@243 1215 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1216 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1217 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1218 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1219
adamc@243 1220 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1221 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1222 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1223
adamc@207 1224 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1225 | LBRACE cexp RBRACE (cexp)
adamc@207 1226
adamc@207 1227 seli : tident DOT fident (Field (tident, fident))
adamc@233 1228 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1229 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1230
adamc@207 1231 selis : seli ([seli])
adamc@207 1232 | seli COMMA selis (seli :: selis)
adamc@207 1233
adamc@207 1234 select : STAR (Star)
adamc@207 1235 | selis (Items selis)
adamc@209 1236
adamc@403 1237 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1238 s (TRUEleft, TRUEright)))
adamc@403 1239 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1240 s (FALSEleft, FALSEright)))
adamc@209 1241
adamc@222 1242 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1243 s (INTleft, INTright)))
adamc@222 1244 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1245 s (FLOATleft, FLOATright)))
adamc@229 1246 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1247 s (STRINGleft, STRINGright)))
adamc@441 1248 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1249 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1250
adamc@221 1251 | tident DOT fident (let
adamc@221 1252 val loc = s (tidentleft, fidentright)
adamc@403 1253 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1254 val e = (ECApp (e, tident), loc)
adamc@221 1255 in
adamc@221 1256 (ECApp (e, fident), loc)
adamc@221 1257 end)
adamc@234 1258 | CSYMBOL (let
adamc@234 1259 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1260 in
adamc@310 1261 if !inDml then
adamc@310 1262 let
adamc@403 1263 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1264 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1265 in
adamc@310 1266 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1267 end
adamc@310 1268 else
adamc@310 1269 let
adamc@403 1270 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1271 in
adamc@310 1272 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1273 end
adamc@310 1274 end)
adamc@221 1275
adamc@471 1276 | LBRACE eexp RBRACE (eexp)
adamc@470 1277
adamc@559 1278 | sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1279 | sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1280 | sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1281 | sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1282 | sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1283 | sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1284
adamc@559 1285 | sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1286 | sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1287 | sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1288 | sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1289 | sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1290
adamc@220 1291 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1292 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559 1293
adamc@220 1294 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559 1295 | MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220 1296
adamc@470 1297 | sqlexp IS NULL (let
adamc@470 1298 val loc = s (sqlexpleft, NULLright)
adamc@470 1299 in
adamc@470 1300 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470 1301 sqlexp), loc)
adamc@470 1302 end)
adamc@470 1303
adamc@471 1304 | LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471 1305 s (LBRACEleft, RBRACEright)))
adamc@220 1306 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1307
adamc@467 1308 | NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467 1309 s (NULLleft, NULLright))))
adamc@467 1310
adamc@235 1311 | COUNT LPAREN STAR RPAREN (let
adamc@235 1312 val loc = s (COUNTleft, RPARENright)
adamc@235 1313 in
adamc@544 1314 (EVar (["Basis"], "sql_count", Infer), loc)
adamc@235 1315 end)
adamc@236 1316 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1317 val loc = s (sqlaggleft, RPARENright)
adamc@236 1318
adamc@403 1319 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1320 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1321 e), loc)
adamc@236 1322 in
adamc@236 1323 (EApp (e, sqlexp), loc)
adamc@236 1324 end)
adamc@235 1325
adamc@403 1326 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1327 dummy))
adamc@209 1328 | CWHERE sqlexp (sqlexp)
adamc@226 1329
adamc@226 1330 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1331
adamc@226 1332 groupis: groupi ([groupi])
adamc@226 1333 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1334
adamc@226 1335 gopt : (NONE)
adamc@226 1336 | GROUP BY groupis (SOME groupis)
adamc@227 1337
adamc@403 1338 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1339 dummy))
adamc@227 1340 | HAVING sqlexp (sqlexp)
adamc@230 1341
adamc@403 1342 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1343 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1344 dummy)
adamc@230 1345 | ORDER BY obexps (obexps)
adamc@230 1346
adamc@268 1347 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1348
adamc@268 1349 obexps : obitem (let
adamc@268 1350 val loc = s (obitemleft, obitemright)
adamc@230 1351
adamc@403 1352 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1353 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1354 loc)
adamc@403 1355 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1356 #1 obitem), loc)
adamc@268 1357 val e = (EApp (e, #2 obitem), loc)
adamc@230 1358 in
adamc@230 1359 (EApp (e, e'), loc)
adamc@230 1360 end)
adamc@268 1361 | obitem COMMA obexps (let
adamc@268 1362 val loc = s (obitemleft, obexpsright)
adamc@230 1363
adamc@403 1364 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1365 #1 obitem), loc)
adamc@268 1366 val e = (EApp (e, #2 obitem), loc)
adamc@230 1367 in
adamc@230 1368 (EApp (e, obexps), loc)
adamc@230 1369 end)
adamc@231 1370
adamc@403 1371 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1372 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1373 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1374
adamc@403 1375 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1376 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1377 | LIMIT sqlint (let
adamc@231 1378 val loc = s (LIMITleft, sqlintright)
adamc@231 1379 in
adamc@403 1380 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1381 end)
adamc@231 1382
adamc@403 1383 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1384 | OFFSET sqlint (let
adamc@232 1385 val loc = s (OFFSETleft, sqlintright)
adamc@232 1386 in
adamc@403 1387 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1388 end)
adamc@232 1389
adamc@231 1390 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1391 | LBRACE eexp RBRACE (eexp)
adamc@236 1392
adamc@236 1393 sqlagg : AVG ("avg")
adamc@236 1394 | SUM ("sum")
adamc@236 1395 | MIN ("min")
adamc@236 1396 | MAX ("max")