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Parsing DELETE
author Adam Chlipala <adamc@hcoop.net>
date Sun, 07 Sep 2008 14:19:05 -0400
parents 7204fab29486
children 55eedecb6c50
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@1 15 * THIS SOFTWARE 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@207 46
adamc@207 47 datatype select =
adamc@207 48 Star
adamc@207 49 | Items of select_item list
adamc@207 50
adamc@226 51 datatype group_item =
adamc@226 52 GField of con * con
adamc@226 53
adamc@207 54 fun eqTnames ((c1, _), (c2, _)) =
adamc@207 55 case (c1, c2) of
adamc@207 56 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207 57 | (CName x1, CName x2) => x1 = x2
adamc@207 58 | _ => false
adamc@207 59
adamc@233 60 fun amend_select loc (si, (tabs, exps)) =
adamc@233 61 case si of
adamc@233 62 Field (tx, fx) =>
adamc@233 63 let
adamc@233 64 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207 65
adamc@233 66 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233 67 if eqTnames (tx, tx') then
adamc@233 68 ((tx', (CConcat (c, c'), loc)), true)
adamc@233 69 else
adamc@233 70 ((tx', c'), found))
adamc@233 71 false tabs
adamc@233 72 in
adamc@233 73 if found then
adamc@233 74 ()
adamc@233 75 else
adamc@233 76 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@233 77
adamc@233 78 (tabs, exps)
adamc@233 79 end
adamc@233 80 | Exp (c, e) => (tabs, (c, e) :: exps)
adamc@207 81
adamc@226 82 fun amend_group loc (gi, tabs) =
adamc@226 83 let
adamc@226 84 val (tx, c) = case gi of
adamc@226 85 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adamc@226 86
adamc@226 87 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226 88 if eqTnames (tx, tx') then
adamc@226 89 ((tx', (CConcat (c, c'), loc)), true)
adamc@226 90 else
adamc@226 91 ((tx', c'), found))
adamc@226 92 false tabs
adamc@226 93 in
adamc@226 94 if found then
adamc@226 95 ()
adamc@226 96 else
adamc@226 97 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226 98
adamc@226 99 tabs
adamc@226 100 end
adamc@226 101
adamc@209 102 fun sql_inject (v, t, loc) =
adamc@209 103 let
adamc@234 104 val e = (EApp ((EVar (["Basis"], "sql_inject"), loc), (t, loc)), loc)
adamc@209 105 in
adamc@234 106 (EApp (e, (v, loc)), loc)
adamc@209 107 end
adamc@209 108
adamc@219 109 fun sql_compare (oper, sqlexp1, sqlexp2, loc) =
adamc@219 110 let
adamc@219 111 val e = (EVar (["Basis"], "sql_comparison"), loc)
adamc@219 112 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@219 113 val e = (EApp (e, sqlexp1), loc)
adamc@219 114 in
adamc@234 115 (EApp (e, sqlexp2), loc)
adamc@220 116 end
adamc@220 117
adamc@220 118 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220 119 let
adamc@220 120 val e = (EVar (["Basis"], "sql_binary"), loc)
adamc@220 121 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@220 122 val e = (EApp (e, sqlexp1), loc)
adamc@220 123 in
adamc@220 124 (EApp (e, sqlexp2), loc)
adamc@220 125 end
adamc@220 126
adamc@220 127 fun sql_unary (oper, sqlexp, loc) =
adamc@220 128 let
adamc@220 129 val e = (EVar (["Basis"], "sql_unary"), loc)
adamc@220 130 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@220 131 in
adamc@220 132 (EApp (e, sqlexp), loc)
adamc@219 133 end
adamc@219 134
adamc@229 135 fun sql_relop (oper, sqlexp1, sqlexp2, loc) =
adamc@229 136 let
adamc@229 137 val e = (EVar (["Basis"], "sql_relop"), loc)
adamc@229 138 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
adamc@229 139 val e = (EApp (e, sqlexp1), loc)
adamc@229 140 in
adamc@229 141 (EApp (e, sqlexp2), loc)
adamc@229 142 end
adamc@229 143
adamc@256 144 fun native_op (oper, e1, e2, loc) =
adamc@256 145 let
adamc@256 146 val e = (EVar (["Basis"], oper), loc)
adamc@256 147 val e = (EApp (e, (EWild, loc)), loc)
adamc@256 148 val e = (EApp (e, e1), loc)
adamc@256 149 in
adamc@256 150 (EApp (e, e2), loc)
adamc@256 151 end
adamc@256 152
adamc@1 153 %%
adamc@244 154 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 155
adamc@1 156 %term
adamc@1 157 EOF
adamc@14 158 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 159 | SYMBOL of string | CSYMBOL of string
adamc@1 160 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 161 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@219 162 | DIVIDE | DOTDOTDOT
adamc@242 163 | CON | LTYPE | VAL | REC | AND | FUN | FOLD | UNIT | KUNIT | CLASS
adamc@156 164 | DATATYPE | OF
adamc@7 165 | TYPE | NAME
adamc@243 166 | ARROW | LARROW | DARROW | STAR | SEMI
adamc@149 167 | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE
adamc@88 168 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN
adamc@203 169 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE
adamc@190 170 | CASE | IF | THEN | ELSE
adamc@1 171
adamc@91 172 | XML_BEGIN of string | XML_END
adamc@91 173 | NOTAGS of string
adamc@91 174 | BEGIN_TAG of string | END_TAG of string
adamc@91 175
adamc@230 176 | SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 177 | UNION | INTERSECT | EXCEPT
adamc@232 178 | LIMIT | OFFSET | ALL
adamc@220 179 | TRUE | FALSE | CAND | OR | NOT
adamc@236 180 | COUNT | AVG | SUM | MIN | MAX
adamc@268 181 | ASC | DESC
adamc@302 182 | INSERT | INTO | VALUES | UPDATE | SET | DELETE
adamc@219 183 | NE | LT | LE | GT | GE
adamc@204 184
adamc@30 185 %nonterm
adamc@1 186 file of decl list
adamc@1 187 | decls of decl list
adamc@1 188 | decl of decl
adamc@123 189 | vali of string * con option * exp
adamc@123 190 | valis of (string * con option * exp) list
adamc@242 191 | copt of con option
adamc@1 192
adamc@191 193 | dargs of string list
adamc@156 194 | barOpt of unit
adamc@156 195 | dcons of (string * con option) list
adamc@156 196 | dcon of string * con option
adamc@156 197
adamc@30 198 | sgn of sgn
adamc@42 199 | sgntm of sgn
adamc@30 200 | sgi of sgn_item
adamc@30 201 | sgis of sgn_item list
adamc@30 202
adamc@30 203 | str of str
adamc@30 204
adamc@1 205 | kind of kind
adamc@207 206 | ktuple of kind list
adamc@1 207 | kcolon of explicitness
adamc@240 208 | kopt of kind option
adamc@1 209
adamc@34 210 | path of string list * string
adamc@156 211 | cpath of string list * string
adamc@34 212 | spath of str
adamc@59 213 | mpath of string list
adamc@34 214
adamc@1 215 | cexp of con
adamc@1 216 | capps of con
adamc@1 217 | cterm of con
adamc@195 218 | ctuple of con list
adamc@207 219 | ctuplev of con list
adamc@1 220 | ident of con
adamc@200 221 | idents of con list
adamc@1 222 | rcon of (con * con) list
adamc@83 223 | rconn of (con * con) list
adamc@1 224 | rcone of (con * con) list
adamc@239 225 | cargs of con * kind -> con * kind
adamc@239 226 | cargl of con * kind -> con * kind
adamc@240 227 | cargl2 of con * kind -> con * kind
adamc@239 228 | carg of con * kind -> con * kind
adamc@239 229 | cargp of con * kind -> con * kind
adamc@1 230
adamc@8 231 | eexp of exp
adamc@8 232 | eapps of exp
adamc@8 233 | eterm of exp
adamc@195 234 | etuple of exp list
adamc@12 235 | rexp of (con * exp) list
adamc@91 236 | xml of exp
adamc@91 237 | xmlOne of exp
adamc@141 238 | tag of string * exp
adamc@141 239 | tagHead of string * exp
adamc@8 240
adamc@241 241 | earg of exp * con -> exp * con
adamc@241 242 | eargp of exp * con -> exp * con
adamc@241 243 | eargs of exp * con -> exp * con
adamc@241 244 | eargl of exp * con -> exp * con
adamc@242 245 | eargl2 of exp * con -> exp * con
adamc@241 246
adamc@170 247 | branch of pat * exp
adamc@170 248 | branchs of (pat * exp) list
adamc@170 249 | pat of pat
adamc@170 250 | pterm of pat
adamc@174 251 | rpat of (string * pat) list * bool
adamc@195 252 | ptuple of pat list
adamc@170 253
adamc@104 254 | attrs of (con * exp) list
adamc@104 255 | attr of con * exp
adamc@104 256 | attrv of exp
adamc@104 257
adamc@204 258 | query of exp
adamc@226 259 | query1 of exp
adamc@204 260 | tables of (con * exp) list
adamc@204 261 | tname of con
adamc@204 262 | table of con * exp
adamc@207 263 | tident of con
adamc@207 264 | fident of con
adamc@207 265 | seli of select_item
adamc@207 266 | selis of select_item list
adamc@207 267 | select of select
adamc@209 268 | sqlexp of exp
adamc@209 269 | wopt of exp
adamc@226 270 | groupi of group_item
adamc@226 271 | groupis of group_item list
adamc@226 272 | gopt of group_item list option
adamc@227 273 | hopt of exp
adamc@230 274 | obopt of exp
adamc@268 275 | obitem of exp * exp
adamc@230 276 | obexps of exp
adamc@268 277 | diropt of exp
adamc@231 278 | lopt of exp
adamc@232 279 | ofopt of exp
adamc@231 280 | sqlint of exp
adamc@236 281 | sqlagg of string
adamc@207 282
adamc@302 283 | texp of exp
adamc@302 284 | fields of con list
adamc@302 285 | sqlexps of exp list
adamc@303 286 | fsets of (con * exp) list
adamc@302 287
adamc@204 288
adamc@1 289 %verbose (* print summary of errors *)
adamc@1 290 %pos int (* positions *)
adamc@1 291 %start file
adamc@1 292 %pure
adamc@1 293 %eop EOF
adamc@1 294 %noshift EOF
adamc@1 295
adamc@244 296 %name Urweb
adamc@1 297
adamc@243 298 %right SEMI
adamc@243 299 %nonassoc LARROW
adamc@195 300 %nonassoc IF THEN ELSE
adamc@1 301 %nonassoc DARROW
adamc@1 302 %nonassoc COLON
adamc@6 303 %nonassoc DCOLON TCOLON
adamc@229 304 %left UNION INTERSECT EXCEPT
adamc@1 305 %right COMMA
adamc@220 306 %right OR
adamc@220 307 %right CAND
adamc@219 308 %nonassoc EQ NE LT LE GT GE
adamc@243 309 %right ARROW
adamc@149 310 %right PLUSPLUS MINUSMINUS
adamc@195 311 %right STAR
adamc@220 312 %left NOT
adamc@84 313 %nonassoc TWIDDLE
adamc@1 314 %nonassoc DOLLAR
adamc@1 315 %left DOT
adamc@221 316 %nonassoc LBRACE RBRACE
adamc@1 317
adamc@1 318 %%
adamc@1 319
adamc@1 320 file : decls (decls)
adamc@54 321 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 322 s (SIGleft, sgisright))])
adamc@1 323
adamc@1 324 decls : ([])
adamc@1 325 | decl decls (decl :: decls)
adamc@1 326
adamc@240 327 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 328 val loc = s (CONleft, cexpright)
adamc@240 329
adamc@240 330 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 331 val (c, k) = cargl2 (cexp, k)
adamc@240 332 in
adamc@240 333 (DCon (SYMBOL, SOME k, c), loc)
adamc@240 334 end)
adamc@7 335 | LTYPE SYMBOL EQ cexp (DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@7 336 s (LTYPEleft, cexpright))
adamc@191 337 | DATATYPE SYMBOL dargs EQ barOpt dcons(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 338 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 339 (case dargs of
adamc@191 340 [] => (DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 341 | _ => raise Fail "Arguments specified for imported datatype")
adamc@123 342 | VAL vali (DVal vali, s (VALleft, valiright))
adamc@123 343 | VAL REC valis (DValRec valis, s (VALleft, valisright))
adamc@242 344 | FUN valis (DValRec valis, s (FUNleft, valisright))
adamc@1 345
adamc@30 346 | SIGNATURE CSYMBOL EQ sgn (DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@30 347 | STRUCTURE CSYMBOL EQ str (DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))
adamc@30 348 | STRUCTURE CSYMBOL COLON sgn EQ str (DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))
adamc@42 349 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@42 350 (DStr (CSYMBOL1, NONE,
adamc@42 351 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@42 352 s (FUNCTORleft, strright))
adamc@42 353 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@42 354 (DStr (CSYMBOL1, NONE,
adamc@42 355 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@42 356 s (FUNCTORleft, strright))
adamc@48 357 | EXTERN STRUCTURE CSYMBOL COLON sgn (DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))
adamc@61 358 | OPEN mpath (case mpath of
adamc@61 359 [] => raise Fail "Impossible mpath parse [1]"
adamc@61 360 | m :: ms => (DOpen (m, ms), s (OPENleft, mpathright)))
adamc@88 361 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 362 [] => raise Fail "Impossible mpath parse [3]"
adamc@88 363 | m :: ms => (DOpenConstraints (m, ms), s (OPENleft, mpathright)))
adamc@88 364 | CONSTRAINT cterm TWIDDLE cterm (DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@109 365 | EXPORT spath (DExport spath, s (EXPORTleft, spathright))
adamc@203 366 | TABLE SYMBOL COLON cexp (DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@211 367 | CLASS SYMBOL EQ cexp (DClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 368 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 369 val loc = s (CLASSleft, cexpright)
adamc@211 370 val k = (KType, loc)
adamc@211 371 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 372 in
adamc@211 373 (DClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 374 end)
adamc@30 375
adamc@240 376 kopt : (NONE)
adamc@240 377 | DCOLON kind (SOME kind)
adamc@240 378
adamc@191 379 dargs : ([])
adamc@191 380 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 381
adamc@156 382 barOpt : ()
adamc@156 383 | BAR ()
adamc@156 384
adamc@156 385 dcons : dcon ([dcon])
adamc@156 386 | dcon BAR dcons (dcon :: dcons)
adamc@156 387
adamc@156 388 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 389 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 390
adamc@242 391 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 392 val loc = s (SYMBOLleft, eexpright)
adamc@242 393 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 394
adamc@242 395 val (e, t) = eargl2 (eexp, t)
adamc@242 396 in
adamc@242 397 (SYMBOL, SOME t, e)
adamc@242 398 end)
adamc@242 399
adamc@242 400 copt : (NONE)
adamc@242 401 | COLON cexp (SOME cexp)
adamc@123 402
adamc@123 403 valis : vali ([vali])
adamc@123 404 | vali AND valis (vali :: valis)
adamc@123 405
adamc@42 406 sgn : sgntm (sgntm)
adamc@40 407 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 408 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 409
adamc@42 410 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 411 | mpath (case mpath of
adamc@61 412 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 413 | [x] => SgnVar x
adamc@59 414 | m :: ms => SgnProj (m,
adamc@59 415 List.take (ms, length ms - 1),
adamc@59 416 List.nth (ms, length ms - 1)),
adamc@59 417 s (mpathleft, mpathright))
adamc@42 418 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 419 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 420 | LPAREN sgn RPAREN (sgn)
adamc@42 421
adamc@30 422 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 423 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 424 s (LTYPEleft, SYMBOLright))
adamc@30 425 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 426 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 427 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 428 s (LTYPEleft, cexpright))
adamc@191 429 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 430 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 431 (case dargs of
adamc@191 432 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 433 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 434 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 435
adamc@30 436 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 437 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 438 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 439 (SgiStr (CSYMBOL1,
adamc@42 440 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 441 s (FUNCTORleft, sgn2right))
adamc@58 442 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 443 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@203 444 | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@211 445 | CLASS SYMBOL (SgiClassAbs SYMBOL, s (CLASSleft, SYMBOLright))
adamc@211 446 | CLASS SYMBOL EQ cexp (SgiClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 447 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 448 val loc = s (CLASSleft, cexpright)
adamc@211 449 val k = (KType, loc)
adamc@211 450 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 451 in
adamc@211 452 (SgiClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 453 end)
adamc@30 454
adamc@30 455 sgis : ([])
adamc@30 456 | sgi sgis (sgi :: sgis)
adamc@30 457
adamc@30 458 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 459 | spath (spath)
adamc@40 460 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 461 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 462 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 463 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 464 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 465
adamc@34 466 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 467 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 468
adamc@1 469 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 470 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 471 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 472 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 473 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 474 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 475 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 476 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@207 477
adamc@207 478 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 479 | kind STAR ktuple (kind :: ktuple)
adamc@1 480
adamc@1 481 capps : cterm (cterm)
adamc@1 482 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 483
adamc@1 484 cexp : capps (capps)
adamc@1 485 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 486 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@1 487
adamc@1 488 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 489
adamc@239 490 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@84 491 | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@85 492 | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@1 493
adamc@8 494 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 495
adamc@18 496 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 497 | ctuple (let
adamc@195 498 val loc = s (ctupleleft, ctupleright)
adamc@195 499 in
adamc@195 500 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 501 ((CName (Int.toString (i + 1)), loc),
adamc@195 502 c)) ctuple),
adamc@195 503 loc), loc)
adamc@195 504 end)
adamc@18 505
adamc@1 506 kcolon : DCOLON (Explicit)
adamc@1 507 | TCOLON (Implicit)
adamc@1 508
adamc@239 509 cargs : carg (carg)
adamc@239 510 | cargl (cargl)
adamc@239 511
adamc@239 512 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 513 | cargp cargl (cargp o cargl)
adamc@239 514
adamc@240 515 cargl2 : (fn x => x)
adamc@240 516 | cargp cargl2 (cargp o cargl2)
adamc@240 517
adamc@241 518 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 519 let
adamc@239 520 val loc = s (SYMBOLleft, kindright)
adamc@239 521 in
adamc@239 522 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 523 (KArrow (kind, k), loc))
adamc@239 524 end)
adamc@241 525 | cargp (cargp)
adamc@239 526
adamc@239 527 cargp : SYMBOL (fn (c, k) =>
adamc@239 528 let
adamc@239 529 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 530 in
adamc@239 531 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 532 (KArrow ((KWild, loc), k), loc))
adamc@239 533 end)
adamc@239 534 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 535 let
adamc@239 536 val loc = s (LPARENleft, RPARENright)
adamc@239 537 in
adamc@239 538 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 539 (KArrow (kind, k), loc))
adamc@239 540 end)
adamc@239 541
adamc@34 542 path : SYMBOL ([], SYMBOL)
adamc@34 543 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 544
adamc@156 545 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 546 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 547
adamc@59 548 mpath : CSYMBOL ([CSYMBOL])
adamc@59 549 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 550
adamc@1 551 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 552 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 553 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 554 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 555 s (LBRACEleft, RBRACEright))
adamc@1 556 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 557 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 558 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 559
adamc@34 560 | path (CVar path, s (pathleft, pathright))
adamc@207 561 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 562 s (pathleft, INTright))
adamc@18 563 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@67 564 | FOLD (CFold, s (FOLDleft, FOLDright))
adamc@82 565 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 566 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 567
adamc@207 568 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 569 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 570
adamc@196 571 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 572 | capps STAR ctuple (capps :: ctuple)
adamc@195 573
adamc@1 574 rcon : ([])
adamc@1 575 | ident EQ cexp ([(ident, cexp)])
adamc@1 576 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 577
adamc@83 578 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 579 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 580
adamc@1 581 rcone : ([])
adamc@1 582 | ident COLON cexp ([(ident, cexp)])
adamc@1 583 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 584
adamc@1 585 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 586 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 587 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 588
adamc@8 589 eapps : eterm (eterm)
adamc@8 590 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 591 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@8 592
adamc@8 593 eexp : eapps (eapps)
adamc@241 594 | FN eargs DARROW eexp (let
adamc@93 595 val loc = s (FNleft, eexpright)
adamc@93 596 in
adamc@241 597 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 598 end)
adamc@241 599 | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright))
adamc@196 600 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 601 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@170 602 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 603 | IF eexp THEN eexp ELSE eexp (let
adamc@190 604 val loc = s (IFleft, eexp3right)
adamc@190 605 in
adamc@190 606 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 607 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 608 end)
adamc@243 609 | SYMBOL LARROW eexp SEMI eexp (let
adamc@243 610 val loc = s (SYMBOLleft, eexp2right)
adamc@243 611 val e = (EVar (["Basis"], "bind"), loc)
adamc@243 612 val e = (EApp (e, eexp1), loc)
adamc@243 613 in
adamc@243 614 (EApp (e, (EAbs (SYMBOL, NONE, eexp2), loc)), loc)
adamc@243 615 end)
adamc@299 616 | UNIT LARROW eexp SEMI eexp (let
adamc@299 617 val loc = s (UNITleft, eexp2right)
adamc@299 618 val e = (EVar (["Basis"], "bind"), loc)
adamc@299 619 val e = (EApp (e, eexp1), loc)
adamc@299 620 val t = (TRecord (CRecord [], loc), loc)
adamc@299 621 in
adamc@299 622 (EApp (e, (EAbs ("_", SOME t, eexp2), loc)), loc)
adamc@299 623 end)
adamc@256 624 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 625 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@8 626
adamc@241 627 eargs : earg (earg)
adamc@241 628 | eargl (eargl)
adamc@241 629
adamc@241 630 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 631 | eargp eargl (eargp o eargl)
adamc@241 632
adamc@242 633 eargl2 : (fn x => x)
adamc@242 634 | eargp eargl2 (eargp o eargl2)
adamc@242 635
adamc@241 636 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 637 let
adamc@241 638 val loc = s (SYMBOLleft, kindright)
adamc@241 639 in
adamc@241 640 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 641 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 642 end)
adamc@241 643 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 644 let
adamc@241 645 val loc = s (SYMBOLleft, cexpright)
adamc@241 646 in
adamc@241 647 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 648 (TFun (cexp, t), loc))
adamc@241 649 end)
adamc@241 650 | UNDER COLON cexp (fn (e, t) =>
adamc@241 651 let
adamc@241 652 val loc = s (UNDERleft, cexpright)
adamc@241 653 in
adamc@241 654 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 655 (TFun (cexp, t), loc))
adamc@241 656 end)
adamc@241 657 | eargp (eargp)
adamc@241 658
adamc@241 659 eargp : SYMBOL (fn (e, t) =>
adamc@241 660 let
adamc@241 661 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 662 in
adamc@241 663 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 664 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 665 end)
adamc@241 666 | UNIT (fn (e, t) =>
adamc@241 667 let
adamc@241 668 val loc = s (UNITleft, UNITright)
adamc@241 669 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 670 in
adamc@241 671 ((EAbs ("_", SOME t', e), loc),
adamc@241 672 (TFun (t', t), loc))
adamc@241 673 end)
adamc@241 674 | UNDER (fn (e, t) =>
adamc@241 675 let
adamc@241 676 val loc = s (UNDERleft, UNDERright)
adamc@241 677 in
adamc@241 678 ((EAbs ("_", NONE, e), loc),
adamc@241 679 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 680 end)
adamc@241 681 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 682 let
adamc@241 683 val loc = s (LPARENleft, RPARENright)
adamc@241 684 in
adamc@241 685 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 686 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 687 end)
adamc@241 688 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 689 let
adamc@241 690 val loc = s (LPARENleft, RPARENright)
adamc@241 691 in
adamc@241 692 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 693 (TFun (cexp, t), loc))
adamc@241 694 end)
adamc@241 695 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 696 let
adamc@241 697 val loc = s (LPARENleft, RPARENright)
adamc@241 698 in
adamc@241 699 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 700 (TFun (cexp, t), loc))
adamc@241 701 end)
adamc@241 702
adamc@8 703 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 704 | LPAREN etuple RPAREN (let
adamc@195 705 val loc = s (LPARENleft, RPARENright)
adamc@195 706 in
adamc@195 707 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 708 ((CName (Int.toString (i + 1)), loc),
adamc@195 709 e)) etuple), loc)
adamc@195 710 end)
adamc@8 711
adamc@34 712 | path (EVar path, s (pathleft, pathright))
adamc@156 713 | cpath (EVar cpath, s (cpathleft, cpathright))
adamc@12 714 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 715 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 716
adamc@14 717 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 718 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 719 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 720
adamc@200 721 | path DOT idents (let
adamc@200 722 val loc = s (pathleft, identsright)
adamc@200 723 in
adamc@200 724 foldl (fn (ident, e) =>
adamc@200 725 (EField (e, ident), loc))
adamc@200 726 (EVar path, s (pathleft, pathright)) idents
adamc@200 727 end)
adamc@71 728 | FOLD (EFold, s (FOLDleft, FOLDright))
adamc@71 729
adamc@91 730 | XML_BEGIN xml XML_END (xml)
adamc@91 731 | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)),
adamc@91 732 (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))),
adamc@91 733 s (XML_BEGINleft, XML_ENDright))
adamc@302 734
adamc@204 735 | LPAREN query RPAREN (query)
adamc@300 736 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@302 737
adamc@302 738 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 739 (let
adamc@302 740 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 741
adamc@302 742 val e = (EVar (["Basis"], "insert"), loc)
adamc@302 743 val e = (EApp (e, texp), loc)
adamc@302 744 in
adamc@302 745 if length fields <> length sqlexps then
adamc@302 746 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 747 else
adamc@302 748 ();
adamc@302 749 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 750 end)
adamc@303 751 | LPAREN UPDATE texp SET fsets CWHERE sqlexp RPAREN
adamc@303 752 (let
adamc@303 753 val loc = s (LPARENleft, RPARENright)
adamc@303 754
adamc@303 755 val e = (EVar (["Basis"], "update"), loc)
adamc@303 756 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@303 757 val e = (EApp (e, texp), loc)
adamc@303 758 in
adamc@303 759 (EApp (e, sqlexp), loc)
adamc@303 760 end)
adamc@304 761 | LPAREN DELETE FROM texp CWHERE sqlexp RPAREN
adamc@304 762 (let
adamc@304 763 val loc = s (LPARENleft, RPARENright)
adamc@304 764
adamc@304 765 val e = (EVar (["Basis"], "delete"), loc)
adamc@304 766 val e = (EApp (e, texp), loc)
adamc@304 767 in
adamc@304 768 (EApp (e, sqlexp), loc)
adamc@304 769 end)
adamc@302 770
adamc@211 771 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 772
adamc@302 773 texp : SYMBOL (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@302 774 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 775
adamc@302 776 fields : fident ([fident])
adamc@302 777 | fident COMMA fields (fident :: fields)
adamc@302 778
adamc@302 779 sqlexps: sqlexp ([sqlexp])
adamc@302 780 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 781
adamc@303 782 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 783 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 784
adamc@200 785 idents : ident ([ident])
adamc@200 786 | ident DOT idents (ident :: idents)
adamc@200 787
adamc@195 788 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 789 | eexp COMMA etuple (eexp :: etuple)
adamc@195 790
adamc@170 791 branch : pat DARROW eexp (pat, eexp)
adamc@170 792
adamc@170 793 branchs: ([])
adamc@170 794 | BAR branch branchs (branch :: branchs)
adamc@170 795
adamc@170 796 pat : pterm (pterm)
adamc@170 797 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 798
adamc@170 799 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 800 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 801 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 802 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 803 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 804 | LPAREN pat RPAREN (pat)
adamc@174 805 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 806 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 807 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 808 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 809 false),
adamc@195 810 s (LPARENleft, RPARENright))
adamc@174 811
adamc@175 812 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 813 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 814 | DOTDOTDOT ([], true)
adamc@175 815 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 816 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 817
adamc@195 818 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 819 | pat COMMA ptuple (pat :: ptuple)
adamc@195 820
adamc@12 821 rexp : ([])
adamc@12 822 | ident EQ eexp ([(ident, eexp)])
adamc@12 823 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 824
adamc@141 825 xml : xmlOne xml (let
adamc@141 826 val pos = s (xmlOneleft, xmlright)
adamc@141 827 in
adamc@141 828 (EApp ((EApp (
adamc@141 829 (EVar (["Basis"], "join"), pos),
adamc@91 830 xmlOne), pos),
adamc@141 831 xml), pos)
adamc@141 832 end)
adamc@141 833 | xmlOne (xmlOne)
adamc@91 834
adamc@141 835 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)),
adamc@141 836 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 837 s (NOTAGSleft, NOTAGSright))
adamc@141 838 | tag DIVIDE GT (let
adamc@141 839 val pos = s (tagleft, GTright)
adamc@141 840 in
adamc@141 841 (EApp (#2 tag,
adamc@141 842 (EApp ((EVar (["Basis"], "cdata"), pos),
adamc@141 843 (EPrim (Prim.String ""), pos)),
adamc@141 844 pos)), pos)
adamc@141 845 end)
adamc@141 846
adamc@141 847 | tag GT xml END_TAG (let
adamc@141 848 val pos = s (tagleft, GTright)
adamc@141 849 in
adamc@141 850 if #1 tag = END_TAG then
adamc@141 851 if END_TAG = "lform" then
adamc@141 852 (EApp ((EVar (["Basis"], "lform"), pos),
adamc@141 853 xml), pos)
adamc@141 854 else
adamc@141 855 (EApp (#2 tag, xml), pos)
adamc@141 856 else
adamc@141 857 (ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@141 858 (EFold, pos))
adamc@141 859 end)
adamc@141 860 | LBRACE eexp RBRACE (eexp)
adamc@92 861
adamc@141 862 tag : tagHead attrs (let
adamc@141 863 val pos = s (tagHeadleft, attrsright)
adamc@141 864 in
adamc@141 865 (#1 tagHead,
adamc@141 866 (EApp ((EApp ((EVar (["Basis"], "tag"), pos),
adamc@141 867 (ERecord attrs, pos)), pos),
adamc@141 868 (EApp (#2 tagHead,
adamc@141 869 (ERecord [], pos)), pos)),
adamc@141 870 pos))
adamc@141 871 end)
adamc@141 872
adamc@141 873 tagHead: BEGIN_TAG (let
adamc@141 874 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 875 in
adamc@141 876 (BEGIN_TAG,
adamc@141 877 (EVar ([], BEGIN_TAG), pos))
adamc@141 878 end)
adamc@141 879 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 880
adamc@104 881 attrs : ([])
adamc@104 882 | attr attrs (attr :: attrs)
adamc@104 883
adamc@204 884 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 885
adamc@104 886 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 887 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 888 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 889 | LBRACE eexp RBRACE (eexp)
adamc@226 890
adamc@232 891 query : query1 obopt lopt ofopt (let
adamc@229 892 val loc = s (query1left, query1right)
adamc@230 893
adamc@230 894 val re = (ERecord [((CName "Rows", loc),
adamc@230 895 query1),
adamc@230 896 ((CName "OrderBy", loc),
adamc@231 897 obopt),
adamc@231 898 ((CName "Limit", loc),
adamc@232 899 lopt),
adamc@232 900 ((CName "Offset", loc),
adamc@232 901 ofopt)], loc)
adamc@229 902 in
adamc@230 903 (EApp ((EVar (["Basis"], "sql_query"), loc), re), loc)
adamc@229 904 end)
adamc@204 905
adamc@227 906 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 907 (let
adamc@204 908 val loc = s (SELECTleft, tablesright)
adamc@207 909
adamc@233 910 val (sel, exps) =
adamc@207 911 case select of
adamc@233 912 Star => (map (fn (nm, _) =>
adamc@233 913 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 914 loc),
adamc@233 915 (CRecord [], loc)],
adamc@233 916 loc))) tables,
adamc@233 917 [])
adamc@207 918 | Items sis =>
adamc@207 919 let
adamc@207 920 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 921 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 922 in
adamc@233 923 (map (fn (nm, c) => (nm,
adamc@233 924 (CTuple [c,
adamc@233 925 (CWild (KRecord (KType, loc), loc),
adamc@233 926 loc)], loc))) tabs,
adamc@233 927 exps)
adamc@207 928 end
adamc@207 929
adamc@207 930 val sel = (CRecord sel, loc)
adamc@207 931
adamc@226 932 val grp = case gopt of
adamc@226 933 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all"), loc),
adamc@226 934 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 935 loc), loc)), loc)
adamc@226 936 | SOME gis =>
adamc@226 937 let
adamc@226 938 val tabs = map (fn (nm, _) =>
adamc@226 939 (nm, (CRecord [], loc))) tables
adamc@226 940 val tabs = foldl (amend_group loc) tabs gis
adamc@226 941
adamc@226 942 val tabs = map (fn (nm, c) =>
adamc@226 943 (nm,
adamc@226 944 (CTuple [c,
adamc@226 945 (CWild (KRecord (KType, loc),
adamc@226 946 loc),
adamc@226 947 loc)], loc))) tabs
adamc@226 948 in
adamc@226 949 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@226 950 (CRecord tabs, loc)), loc)
adamc@226 951 end
adamc@226 952
adamc@229 953 val e = (EVar (["Basis"], "sql_query1"), loc)
adamc@209 954 val re = (ERecord [((CName "From", loc),
adamc@209 955 (ERecord tables, loc)),
adamc@209 956 ((CName "Where", loc),
adamc@223 957 wopt),
adamc@224 958 ((CName "GroupBy", loc),
adamc@226 959 grp),
adamc@224 960 ((CName "Having", loc),
adamc@224 961 hopt),
adamc@223 962 ((CName "SelectFields", loc),
adamc@223 963 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@233 964 sel), loc)),
adamc@233 965 ((CName "SelectExps", loc),
adamc@233 966 (ERecord exps, loc))], loc)
adamc@223 967
adamc@209 968 val e = (EApp (e, re), loc)
adamc@204 969 in
adamc@207 970 e
adamc@204 971 end)
adamc@229 972 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 973 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 974 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 975
adamc@204 976 tables : table ([table])
adamc@204 977 | table COMMA tables (table :: tables)
adamc@204 978
adamc@204 979 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 980 | LBRACE cexp RBRACE (cexp)
adamc@204 981
adamc@243 982 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@204 983 (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@204 984 | SYMBOL AS tname (tname, (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@221 985 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 986
adamc@243 987 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 988 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 989 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 990
adamc@207 991 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 992 | LBRACE cexp RBRACE (cexp)
adamc@207 993
adamc@207 994 seli : tident DOT fident (Field (tident, fident))
adamc@233 995 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@207 996
adamc@207 997 selis : seli ([seli])
adamc@207 998 | seli COMMA selis (seli :: selis)
adamc@207 999
adamc@207 1000 select : STAR (Star)
adamc@207 1001 | selis (Items selis)
adamc@209 1002
adamc@209 1003 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True"),
adamc@209 1004 EVar (["Basis"], "sql_bool"),
adamc@209 1005 s (TRUEleft, TRUEright)))
adamc@209 1006 | FALSE (sql_inject (EVar (["Basis"], "False"),
adamc@209 1007 EVar (["Basis"], "sql_bool"),
adamc@209 1008 s (FALSEleft, FALSEright)))
adamc@209 1009
adamc@222 1010 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1011 EVar (["Basis"], "sql_int"),
adamc@222 1012 s (INTleft, INTright)))
adamc@222 1013 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1014 EVar (["Basis"], "sql_float"),
adamc@222 1015 s (FLOATleft, FLOATright)))
adamc@229 1016 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1017 EVar (["Basis"], "sql_string"),
adamc@229 1018 s (STRINGleft, STRINGright)))
adamc@222 1019
adamc@221 1020 | tident DOT fident (let
adamc@221 1021 val loc = s (tidentleft, fidentright)
adamc@221 1022 val e = (EVar (["Basis"], "sql_field"), loc)
adamc@221 1023 val e = (ECApp (e, tident), loc)
adamc@221 1024 in
adamc@221 1025 (ECApp (e, fident), loc)
adamc@221 1026 end)
adamc@234 1027 | CSYMBOL (let
adamc@234 1028 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@234 1029 val e = (EVar (["Basis"], "sql_exp"), loc)
adamc@234 1030 in
adamc@234 1031 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@234 1032 end)
adamc@221 1033
adamc@219 1034 | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1035 | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1036 | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1037 | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1038 | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1039 | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1040
adamc@220 1041 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1042 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1043 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@220 1044
adamc@210 1045 | LBRACE eexp RBRACE (sql_inject (#1 eexp,
adamc@211 1046 EWild,
adamc@210 1047 s (LBRACEleft, RBRACEright)))
adamc@220 1048 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1049
adamc@235 1050 | COUNT LPAREN STAR RPAREN (let
adamc@235 1051 val loc = s (COUNTleft, RPARENright)
adamc@235 1052 in
adamc@235 1053 (EApp ((EVar (["Basis"], "sql_count"), loc),
adamc@235 1054 (ERecord [], loc)), loc)
adamc@235 1055 end)
adamc@236 1056 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1057 val loc = s (sqlaggleft, RPARENright)
adamc@236 1058
adamc@236 1059 val e = (EApp ((EVar (["Basis"], "sql_" ^ sqlagg), loc),
adamc@236 1060 (EWild, loc)), loc)
adamc@236 1061 val e = (EApp ((EVar (["Basis"], "sql_aggregate"), loc),
adamc@236 1062 e), loc)
adamc@236 1063 in
adamc@236 1064 (EApp (e, sqlexp), loc)
adamc@236 1065 end)
adamc@235 1066
adamc@209 1067 wopt : (sql_inject (EVar (["Basis"], "True"),
adamc@209 1068 EVar (["Basis"], "sql_bool"),
adamc@230 1069 dummy))
adamc@209 1070 | CWHERE sqlexp (sqlexp)
adamc@226 1071
adamc@226 1072 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1073
adamc@226 1074 groupis: groupi ([groupi])
adamc@226 1075 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1076
adamc@226 1077 gopt : (NONE)
adamc@226 1078 | GROUP BY groupis (SOME groupis)
adamc@227 1079
adamc@227 1080 hopt : (sql_inject (EVar (["Basis"], "True"),
adamc@227 1081 EVar (["Basis"], "sql_bool"),
adamc@230 1082 dummy))
adamc@227 1083 | HAVING sqlexp (sqlexp)
adamc@230 1084
adamc@230 1085 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil"), dummy),
adamc@234 1086 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1087 dummy)
adamc@230 1088 | ORDER BY obexps (obexps)
adamc@230 1089
adamc@268 1090 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1091
adamc@268 1092 obexps : obitem (let
adamc@268 1093 val loc = s (obitemleft, obitemright)
adamc@230 1094
adamc@230 1095 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil"), loc),
adamc@234 1096 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1097 loc)
adamc@230 1098 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons"), loc),
adamc@268 1099 #1 obitem), loc)
adamc@268 1100 val e = (EApp (e, #2 obitem), loc)
adamc@230 1101 in
adamc@230 1102 (EApp (e, e'), loc)
adamc@230 1103 end)
adamc@268 1104 | obitem COMMA obexps (let
adamc@268 1105 val loc = s (obitemleft, obexpsright)
adamc@230 1106
adamc@230 1107 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons"), loc),
adamc@268 1108 #1 obitem), loc)
adamc@268 1109 val e = (EApp (e, #2 obitem), loc)
adamc@230 1110 in
adamc@230 1111 (EApp (e, obexps), loc)
adamc@230 1112 end)
adamc@231 1113
adamc@268 1114 diropt : (EVar (["Basis"], "sql_asc"), dummy)
adamc@268 1115 | ASC (EVar (["Basis"], "sql_asc"), s (ASCleft, ASCright))
adamc@268 1116 | DESC (EVar (["Basis"], "sql_desc"), s (DESCleft, DESCright))
adamc@268 1117
adamc@231 1118 lopt : (EVar (["Basis"], "sql_no_limit"), dummy)
adamc@232 1119 | LIMIT ALL (EVar (["Basis"], "sql_no_limit"), dummy)
adamc@231 1120 | LIMIT sqlint (let
adamc@231 1121 val loc = s (LIMITleft, sqlintright)
adamc@231 1122 in
adamc@231 1123 (EApp ((EVar (["Basis"], "sql_limit"), loc), sqlint), loc)
adamc@231 1124 end)
adamc@231 1125
adamc@232 1126 ofopt : (EVar (["Basis"], "sql_no_offset"), dummy)
adamc@232 1127 | OFFSET sqlint (let
adamc@232 1128 val loc = s (OFFSETleft, sqlintright)
adamc@232 1129 in
adamc@232 1130 (EApp ((EVar (["Basis"], "sql_offset"), loc), sqlint), loc)
adamc@232 1131 end)
adamc@232 1132
adamc@231 1133 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1134 | LBRACE eexp RBRACE (eexp)
adamc@236 1135
adamc@236 1136 sqlagg : AVG ("avg")
adamc@236 1137 | SUM ("sum")
adamc@236 1138 | MIN ("min")
adamc@236 1139 | MAX ("max")