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annotate src/urweb.grm @ 339:075b36dbb1a4

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Crud supports INSERT
author Adam Chlipala <adamc@hcoop.net>
date Sun, 14 Sep 2008 15:10:04 -0400
parents e976b187d73a
children 389399d65331
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@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@310 153 val inDml = ref false
adamc@310 154
adamc@325 155 fun tagIn bt =
adamc@325 156 case bt of
adamc@325 157 "table" => "tabl"
adamc@325 158 | _ => bt
adamc@325 159
adamc@1 160 %%
adamc@244 161 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 162
adamc@1 163 %term
adamc@1 164 EOF
adamc@14 165 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 166 | SYMBOL of string | CSYMBOL of string
adamc@1 167 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 168 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@219 169 | DIVIDE | DOTDOTDOT
adamc@242 170 | CON | LTYPE | VAL | REC | AND | FUN | FOLD | UNIT | KUNIT | CLASS
adamc@156 171 | DATATYPE | OF
adamc@7 172 | TYPE | NAME
adamc@243 173 | ARROW | LARROW | DARROW | STAR | SEMI
adamc@149 174 | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE
adamc@339 175 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | WITH | SQL
adamc@338 176 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE
adamc@190 177 | CASE | IF | THEN | ELSE
adamc@1 178
adamc@91 179 | XML_BEGIN of string | XML_END
adamc@91 180 | NOTAGS of string
adamc@91 181 | BEGIN_TAG of string | END_TAG of string
adamc@91 182
adamc@230 183 | SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 184 | UNION | INTERSECT | EXCEPT
adamc@232 185 | LIMIT | OFFSET | ALL
adamc@220 186 | TRUE | FALSE | CAND | OR | NOT
adamc@236 187 | COUNT | AVG | SUM | MIN | MAX
adamc@268 188 | ASC | DESC
adamc@302 189 | INSERT | INTO | VALUES | UPDATE | SET | DELETE
adamc@219 190 | NE | LT | LE | GT | GE
adamc@204 191
adamc@30 192 %nonterm
adamc@1 193 file of decl list
adamc@1 194 | decls of decl list
adamc@325 195 | decl of decl list
adamc@123 196 | vali of string * con option * exp
adamc@123 197 | valis of (string * con option * exp) list
adamc@242 198 | copt of con option
adamc@1 199
adamc@191 200 | dargs of string list
adamc@156 201 | barOpt of unit
adamc@156 202 | dcons of (string * con option) list
adamc@156 203 | dcon of string * con option
adamc@156 204
adamc@30 205 | sgn of sgn
adamc@42 206 | sgntm of sgn
adamc@30 207 | sgi of sgn_item
adamc@30 208 | sgis of sgn_item list
adamc@30 209
adamc@30 210 | str of str
adamc@30 211
adamc@1 212 | kind of kind
adamc@207 213 | ktuple of kind list
adamc@1 214 | kcolon of explicitness
adamc@240 215 | kopt of kind option
adamc@1 216
adamc@34 217 | path of string list * string
adamc@156 218 | cpath of string list * string
adamc@34 219 | spath of str
adamc@59 220 | mpath of string list
adamc@34 221
adamc@1 222 | cexp of con
adamc@1 223 | capps of con
adamc@1 224 | cterm of con
adamc@195 225 | ctuple of con list
adamc@207 226 | ctuplev of con list
adamc@1 227 | ident of con
adamc@200 228 | idents of con list
adamc@1 229 | rcon of (con * con) list
adamc@83 230 | rconn of (con * con) list
adamc@1 231 | rcone of (con * con) list
adamc@239 232 | cargs of con * kind -> con * kind
adamc@239 233 | cargl of con * kind -> con * kind
adamc@240 234 | cargl2 of con * kind -> con * kind
adamc@239 235 | carg of con * kind -> con * kind
adamc@239 236 | cargp of con * kind -> con * kind
adamc@1 237
adamc@8 238 | eexp of exp
adamc@8 239 | eapps of exp
adamc@8 240 | eterm of exp
adamc@195 241 | etuple of exp list
adamc@12 242 | rexp of (con * exp) list
adamc@91 243 | xml of exp
adamc@91 244 | xmlOne of exp
adamc@141 245 | tag of string * exp
adamc@141 246 | tagHead of string * exp
adamc@8 247
adamc@241 248 | earg of exp * con -> exp * con
adamc@241 249 | eargp of exp * con -> exp * con
adamc@241 250 | eargs of exp * con -> exp * con
adamc@241 251 | eargl of exp * con -> exp * con
adamc@242 252 | eargl2 of exp * con -> exp * con
adamc@241 253
adamc@170 254 | branch of pat * exp
adamc@170 255 | branchs of (pat * exp) list
adamc@170 256 | pat of pat
adamc@170 257 | pterm of pat
adamc@174 258 | rpat of (string * pat) list * bool
adamc@195 259 | ptuple of pat list
adamc@170 260
adamc@104 261 | attrs of (con * exp) list
adamc@104 262 | attr of con * exp
adamc@104 263 | attrv of exp
adamc@104 264
adamc@204 265 | query of exp
adamc@226 266 | query1 of exp
adamc@204 267 | tables of (con * exp) list
adamc@204 268 | tname of con
adamc@204 269 | table of con * exp
adamc@207 270 | tident of con
adamc@207 271 | fident of con
adamc@207 272 | seli of select_item
adamc@207 273 | selis of select_item list
adamc@207 274 | select of select
adamc@209 275 | sqlexp of exp
adamc@209 276 | wopt of exp
adamc@226 277 | groupi of group_item
adamc@226 278 | groupis of group_item list
adamc@226 279 | gopt of group_item list option
adamc@227 280 | hopt of exp
adamc@230 281 | obopt of exp
adamc@268 282 | obitem of exp * exp
adamc@230 283 | obexps of exp
adamc@268 284 | diropt of exp
adamc@231 285 | lopt of exp
adamc@232 286 | ofopt of exp
adamc@231 287 | sqlint of exp
adamc@236 288 | sqlagg of string
adamc@207 289
adamc@302 290 | texp of exp
adamc@302 291 | fields of con list
adamc@302 292 | sqlexps of exp list
adamc@303 293 | fsets of (con * exp) list
adamc@310 294 | enterDml of unit
adamc@310 295 | leaveDml of unit
adamc@302 296
adamc@204 297
adamc@1 298 %verbose (* print summary of errors *)
adamc@1 299 %pos int (* positions *)
adamc@1 300 %start file
adamc@1 301 %pure
adamc@1 302 %eop EOF
adamc@1 303 %noshift EOF
adamc@1 304
adamc@244 305 %name Urweb
adamc@1 306
adamc@243 307 %right SEMI
adamc@243 308 %nonassoc LARROW
adamc@195 309 %nonassoc IF THEN ELSE
adamc@1 310 %nonassoc DARROW
adamc@1 311 %nonassoc COLON
adamc@6 312 %nonassoc DCOLON TCOLON
adamc@229 313 %left UNION INTERSECT EXCEPT
adamc@1 314 %right COMMA
adamc@220 315 %right OR
adamc@220 316 %right CAND
adamc@219 317 %nonassoc EQ NE LT LE GT GE
adamc@243 318 %right ARROW
adamc@339 319 %left WITH
adamc@149 320 %right PLUSPLUS MINUSMINUS
adamc@195 321 %right STAR
adamc@220 322 %left NOT
adamc@84 323 %nonassoc TWIDDLE
adamc@1 324 %nonassoc DOLLAR
adamc@1 325 %left DOT
adamc@221 326 %nonassoc LBRACE RBRACE
adamc@1 327
adamc@1 328 %%
adamc@1 329
adamc@1 330 file : decls (decls)
adamc@54 331 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 332 s (SIGleft, sgisright))])
adamc@1 333
adamc@1 334 decls : ([])
adamc@325 335 | decl decls (decl @ decls)
adamc@1 336
adamc@240 337 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 338 val loc = s (CONleft, cexpright)
adamc@240 339
adamc@240 340 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 341 val (c, k) = cargl2 (cexp, k)
adamc@240 342 in
adamc@325 343 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 344 end)
adamc@325 345 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 346 s (LTYPEleft, cexpright))])
adamc@325 347 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 348 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 349 (case dargs of
adamc@325 350 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 351 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 352 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 353 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 354 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 355
adamc@325 356 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 357 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 358 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 359 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 360 ([(DStr (CSYMBOL1, NONE,
adamc@325 361 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 362 s (FUNCTORleft, strright))])
adamc@42 363 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 364 ([(DStr (CSYMBOL1, NONE,
adamc@325 365 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 366 s (FUNCTORleft, strright))])
adamc@325 367 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 368 | OPEN mpath (case mpath of
adamc@61 369 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 370 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 371 | OPEN mpath LPAREN str RPAREN (let
adamc@325 372 val loc = s (OPENleft, RPARENright)
adamc@325 373
adamc@325 374 val m = case mpath of
adamc@325 375 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 376 | m :: ms =>
adamc@325 377 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 378 (StrVar m, loc) ms
adamc@325 379 in
adamc@325 380 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 381 (DOpen ("anon", []), loc)]
adamc@325 382 end)
adamc@88 383 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 384 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 385 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 386 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 387 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@325 388 | TABLE SYMBOL COLON cexp ([(DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))])
adamc@338 389 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@325 390 | CLASS SYMBOL EQ cexp ([(DClass (SYMBOL, cexp), s (CLASSleft, cexpright))])
adamc@211 391 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 392 val loc = s (CLASSleft, cexpright)
adamc@211 393 val k = (KType, loc)
adamc@211 394 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 395 in
adamc@325 396 [(DClass (SYMBOL1, c), s (CLASSleft, cexpright))]
adamc@211 397 end)
adamc@30 398
adamc@240 399 kopt : (NONE)
adamc@240 400 | DCOLON kind (SOME kind)
adamc@240 401
adamc@191 402 dargs : ([])
adamc@191 403 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 404
adamc@156 405 barOpt : ()
adamc@156 406 | BAR ()
adamc@156 407
adamc@156 408 dcons : dcon ([dcon])
adamc@156 409 | dcon BAR dcons (dcon :: dcons)
adamc@156 410
adamc@156 411 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 412 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 413
adamc@242 414 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 415 val loc = s (SYMBOLleft, eexpright)
adamc@242 416 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 417
adamc@242 418 val (e, t) = eargl2 (eexp, t)
adamc@242 419 in
adamc@242 420 (SYMBOL, SOME t, e)
adamc@242 421 end)
adamc@242 422
adamc@242 423 copt : (NONE)
adamc@242 424 | COLON cexp (SOME cexp)
adamc@123 425
adamc@123 426 valis : vali ([vali])
adamc@123 427 | vali AND valis (vali :: valis)
adamc@123 428
adamc@42 429 sgn : sgntm (sgntm)
adamc@40 430 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 431 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 432
adamc@42 433 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 434 | mpath (case mpath of
adamc@61 435 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 436 | [x] => SgnVar x
adamc@59 437 | m :: ms => SgnProj (m,
adamc@59 438 List.take (ms, length ms - 1),
adamc@59 439 List.nth (ms, length ms - 1)),
adamc@59 440 s (mpathleft, mpathright))
adamc@42 441 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 442 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 443 | LPAREN sgn RPAREN (sgn)
adamc@42 444
adamc@30 445 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 446 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 447 s (LTYPEleft, SYMBOLright))
adamc@30 448 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 449 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 450 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 451 s (LTYPEleft, cexpright))
adamc@191 452 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 453 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 454 (case dargs of
adamc@191 455 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 456 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 457 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 458
adamc@30 459 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 460 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 461 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 462 (SgiStr (CSYMBOL1,
adamc@42 463 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 464 s (FUNCTORleft, sgn2right))
adamc@58 465 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 466 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@203 467 | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@338 468 | SEQUENCE SYMBOL (SgiSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))
adamc@211 469 | CLASS SYMBOL (SgiClassAbs SYMBOL, s (CLASSleft, SYMBOLright))
adamc@211 470 | CLASS SYMBOL EQ cexp (SgiClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 471 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 472 val loc = s (CLASSleft, cexpright)
adamc@211 473 val k = (KType, loc)
adamc@211 474 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 475 in
adamc@211 476 (SgiClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 477 end)
adamc@30 478
adamc@30 479 sgis : ([])
adamc@30 480 | sgi sgis (sgi :: sgis)
adamc@30 481
adamc@30 482 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 483 | spath (spath)
adamc@40 484 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 485 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 486 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 487 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 488 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 489
adamc@34 490 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 491 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 492
adamc@1 493 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 494 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 495 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 496 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 497 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 498 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 499 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 500 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@207 501
adamc@207 502 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 503 | kind STAR ktuple (kind :: ktuple)
adamc@1 504
adamc@1 505 capps : cterm (cterm)
adamc@1 506 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 507
adamc@1 508 cexp : capps (capps)
adamc@1 509 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 510 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@1 511
adamc@1 512 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 513
adamc@239 514 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@84 515 | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@85 516 | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@1 517
adamc@8 518 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 519
adamc@18 520 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 521 | ctuple (let
adamc@195 522 val loc = s (ctupleleft, ctupleright)
adamc@195 523 in
adamc@195 524 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 525 ((CName (Int.toString (i + 1)), loc),
adamc@195 526 c)) ctuple),
adamc@195 527 loc), loc)
adamc@195 528 end)
adamc@18 529
adamc@1 530 kcolon : DCOLON (Explicit)
adamc@1 531 | TCOLON (Implicit)
adamc@1 532
adamc@239 533 cargs : carg (carg)
adamc@239 534 | cargl (cargl)
adamc@239 535
adamc@239 536 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 537 | cargp cargl (cargp o cargl)
adamc@239 538
adamc@240 539 cargl2 : (fn x => x)
adamc@240 540 | cargp cargl2 (cargp o cargl2)
adamc@240 541
adamc@241 542 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 543 let
adamc@239 544 val loc = s (SYMBOLleft, kindright)
adamc@239 545 in
adamc@239 546 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 547 (KArrow (kind, k), loc))
adamc@239 548 end)
adamc@329 549 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 550 let
adamc@329 551 val loc = s (UNDERleft, kindright)
adamc@329 552 in
adamc@329 553 ((CAbs ("_", SOME kind, c), loc),
adamc@329 554 (KArrow (kind, k), loc))
adamc@329 555 end)
adamc@241 556 | cargp (cargp)
adamc@239 557
adamc@239 558 cargp : SYMBOL (fn (c, k) =>
adamc@239 559 let
adamc@239 560 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 561 in
adamc@239 562 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 563 (KArrow ((KWild, loc), k), loc))
adamc@239 564 end)
adamc@329 565 | UNDER (fn (c, k) =>
adamc@329 566 let
adamc@329 567 val loc = s (UNDERleft, UNDERright)
adamc@329 568 in
adamc@329 569 ((CAbs ("_", NONE, c), loc),
adamc@329 570 (KArrow ((KWild, loc), k), loc))
adamc@329 571 end)
adamc@239 572 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 573 let
adamc@239 574 val loc = s (LPARENleft, RPARENright)
adamc@239 575 in
adamc@239 576 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 577 (KArrow (kind, k), loc))
adamc@239 578 end)
adamc@239 579
adamc@34 580 path : SYMBOL ([], SYMBOL)
adamc@34 581 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 582
adamc@156 583 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 584 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 585
adamc@59 586 mpath : CSYMBOL ([CSYMBOL])
adamc@59 587 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 588
adamc@1 589 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 590 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 591 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 592 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 593 s (LBRACEleft, RBRACEright))
adamc@1 594 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 595 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 596 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 597
adamc@34 598 | path (CVar path, s (pathleft, pathright))
adamc@207 599 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 600 s (pathleft, INTright))
adamc@18 601 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@67 602 | FOLD (CFold, s (FOLDleft, FOLDright))
adamc@82 603 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 604 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 605
adamc@207 606 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 607 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 608
adamc@196 609 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 610 | capps STAR ctuple (capps :: ctuple)
adamc@195 611
adamc@1 612 rcon : ([])
adamc@1 613 | ident EQ cexp ([(ident, cexp)])
adamc@1 614 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 615
adamc@83 616 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 617 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 618
adamc@1 619 rcone : ([])
adamc@1 620 | ident COLON cexp ([(ident, cexp)])
adamc@1 621 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 622
adamc@1 623 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 624 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 625 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 626
adamc@8 627 eapps : eterm (eterm)
adamc@8 628 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 629 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@8 630
adamc@8 631 eexp : eapps (eapps)
adamc@241 632 | FN eargs DARROW eexp (let
adamc@93 633 val loc = s (FNleft, eexpright)
adamc@93 634 in
adamc@241 635 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 636 end)
adamc@241 637 | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright))
adamc@196 638 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 639 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@170 640 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 641 | IF eexp THEN eexp ELSE eexp (let
adamc@190 642 val loc = s (IFleft, eexp3right)
adamc@190 643 in
adamc@190 644 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 645 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 646 end)
adamc@243 647 | SYMBOL LARROW eexp SEMI eexp (let
adamc@243 648 val loc = s (SYMBOLleft, eexp2right)
adamc@243 649 val e = (EVar (["Basis"], "bind"), loc)
adamc@243 650 val e = (EApp (e, eexp1), loc)
adamc@243 651 in
adamc@243 652 (EApp (e, (EAbs (SYMBOL, NONE, eexp2), loc)), loc)
adamc@243 653 end)
adamc@299 654 | UNIT LARROW eexp SEMI eexp (let
adamc@299 655 val loc = s (UNITleft, eexp2right)
adamc@299 656 val e = (EVar (["Basis"], "bind"), loc)
adamc@299 657 val e = (EApp (e, eexp1), loc)
adamc@299 658 val t = (TRecord (CRecord [], loc), loc)
adamc@299 659 in
adamc@299 660 (EApp (e, (EAbs ("_", SOME t, eexp2), loc)), loc)
adamc@299 661 end)
adamc@256 662 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 663 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@339 664 | eexp WITH cterm EQ eexp (EWith (eexp1, cterm, eexp2), s (eexp1left, eexp2right))
adamc@8 665
adamc@241 666 eargs : earg (earg)
adamc@241 667 | eargl (eargl)
adamc@241 668
adamc@241 669 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 670 | eargp eargl (eargp o eargl)
adamc@241 671
adamc@242 672 eargl2 : (fn x => x)
adamc@242 673 | eargp eargl2 (eargp o eargl2)
adamc@242 674
adamc@241 675 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 676 let
adamc@241 677 val loc = s (SYMBOLleft, kindright)
adamc@241 678 in
adamc@241 679 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 680 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 681 end)
adamc@241 682 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 683 let
adamc@241 684 val loc = s (SYMBOLleft, cexpright)
adamc@241 685 in
adamc@241 686 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 687 (TFun (cexp, t), loc))
adamc@241 688 end)
adamc@241 689 | UNDER COLON cexp (fn (e, t) =>
adamc@241 690 let
adamc@241 691 val loc = s (UNDERleft, cexpright)
adamc@241 692 in
adamc@241 693 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 694 (TFun (cexp, t), loc))
adamc@241 695 end)
adamc@241 696 | eargp (eargp)
adamc@241 697
adamc@241 698 eargp : SYMBOL (fn (e, t) =>
adamc@241 699 let
adamc@241 700 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 701 in
adamc@241 702 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 703 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 704 end)
adamc@241 705 | UNIT (fn (e, t) =>
adamc@241 706 let
adamc@241 707 val loc = s (UNITleft, UNITright)
adamc@241 708 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 709 in
adamc@241 710 ((EAbs ("_", SOME t', e), loc),
adamc@241 711 (TFun (t', t), loc))
adamc@241 712 end)
adamc@241 713 | UNDER (fn (e, t) =>
adamc@241 714 let
adamc@241 715 val loc = s (UNDERleft, UNDERright)
adamc@241 716 in
adamc@241 717 ((EAbs ("_", NONE, e), loc),
adamc@241 718 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 719 end)
adamc@241 720 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 721 let
adamc@241 722 val loc = s (LPARENleft, RPARENright)
adamc@241 723 in
adamc@241 724 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 725 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 726 end)
adamc@241 727 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 728 let
adamc@241 729 val loc = s (LPARENleft, RPARENright)
adamc@241 730 in
adamc@241 731 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 732 (TFun (cexp, t), loc))
adamc@241 733 end)
adamc@241 734 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 735 let
adamc@241 736 val loc = s (LPARENleft, RPARENright)
adamc@241 737 in
adamc@241 738 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 739 (TFun (cexp, t), loc))
adamc@241 740 end)
adamc@241 741
adamc@8 742 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 743 | LPAREN etuple RPAREN (let
adamc@195 744 val loc = s (LPARENleft, RPARENright)
adamc@195 745 in
adamc@195 746 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 747 ((CName (Int.toString (i + 1)), loc),
adamc@195 748 e)) etuple), loc)
adamc@195 749 end)
adamc@8 750
adamc@34 751 | path (EVar path, s (pathleft, pathright))
adamc@156 752 | cpath (EVar cpath, s (cpathleft, cpathright))
adamc@12 753 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 754 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 755
adamc@14 756 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 757 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 758 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 759
adamc@200 760 | path DOT idents (let
adamc@200 761 val loc = s (pathleft, identsright)
adamc@200 762 in
adamc@200 763 foldl (fn (ident, e) =>
adamc@200 764 (EField (e, ident), loc))
adamc@200 765 (EVar path, s (pathleft, pathright)) idents
adamc@200 766 end)
adamc@71 767 | FOLD (EFold, s (FOLDleft, FOLDright))
adamc@71 768
adamc@91 769 | XML_BEGIN xml XML_END (xml)
adamc@91 770 | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)),
adamc@91 771 (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))),
adamc@91 772 s (XML_BEGINleft, XML_ENDright))
adamc@302 773
adamc@204 774 | LPAREN query RPAREN (query)
adamc@300 775 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 776 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 777
adamc@302 778 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 779 (let
adamc@302 780 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 781
adamc@302 782 val e = (EVar (["Basis"], "insert"), loc)
adamc@302 783 val e = (EApp (e, texp), loc)
adamc@302 784 in
adamc@302 785 if length fields <> length sqlexps then
adamc@302 786 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 787 else
adamc@302 788 ();
adamc@302 789 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 790 end)
adamc@310 791 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 792 (let
adamc@303 793 val loc = s (LPARENleft, RPARENright)
adamc@303 794
adamc@303 795 val e = (EVar (["Basis"], "update"), loc)
adamc@306 796 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 797 val e = (EApp (e, texp), loc)
adamc@303 798 in
adamc@303 799 (EApp (e, sqlexp), loc)
adamc@303 800 end)
adamc@310 801 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 802 (let
adamc@304 803 val loc = s (LPARENleft, RPARENright)
adamc@304 804
adamc@304 805 val e = (EVar (["Basis"], "delete"), loc)
adamc@304 806 val e = (EApp (e, texp), loc)
adamc@304 807 in
adamc@304 808 (EApp (e, sqlexp), loc)
adamc@304 809 end)
adamc@302 810
adamc@211 811 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 812
adamc@310 813 enterDml : (inDml := true)
adamc@310 814 leaveDml : (inDml := false)
adamc@310 815
adamc@302 816 texp : SYMBOL (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@302 817 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 818
adamc@302 819 fields : fident ([fident])
adamc@302 820 | fident COMMA fields (fident :: fields)
adamc@302 821
adamc@302 822 sqlexps: sqlexp ([sqlexp])
adamc@302 823 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 824
adamc@303 825 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 826 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 827
adamc@200 828 idents : ident ([ident])
adamc@200 829 | ident DOT idents (ident :: idents)
adamc@200 830
adamc@195 831 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 832 | eexp COMMA etuple (eexp :: etuple)
adamc@195 833
adamc@170 834 branch : pat DARROW eexp (pat, eexp)
adamc@170 835
adamc@170 836 branchs: ([])
adamc@170 837 | BAR branch branchs (branch :: branchs)
adamc@170 838
adamc@170 839 pat : pterm (pterm)
adamc@170 840 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 841
adamc@170 842 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 843 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 844 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 845 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 846 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 847 | LPAREN pat RPAREN (pat)
adamc@174 848 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 849 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 850 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 851 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 852 false),
adamc@195 853 s (LPARENleft, RPARENright))
adamc@174 854
adamc@175 855 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 856 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 857 | DOTDOTDOT ([], true)
adamc@175 858 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 859 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 860
adamc@195 861 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 862 | pat COMMA ptuple (pat :: ptuple)
adamc@195 863
adamc@12 864 rexp : ([])
adamc@12 865 | ident EQ eexp ([(ident, eexp)])
adamc@12 866 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 867
adamc@141 868 xml : xmlOne xml (let
adamc@141 869 val pos = s (xmlOneleft, xmlright)
adamc@141 870 in
adamc@141 871 (EApp ((EApp (
adamc@141 872 (EVar (["Basis"], "join"), pos),
adamc@91 873 xmlOne), pos),
adamc@141 874 xml), pos)
adamc@141 875 end)
adamc@141 876 | xmlOne (xmlOne)
adamc@91 877
adamc@141 878 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)),
adamc@141 879 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 880 s (NOTAGSleft, NOTAGSright))
adamc@141 881 | tag DIVIDE GT (let
adamc@141 882 val pos = s (tagleft, GTright)
adamc@141 883 in
adamc@141 884 (EApp (#2 tag,
adamc@141 885 (EApp ((EVar (["Basis"], "cdata"), pos),
adamc@141 886 (EPrim (Prim.String ""), pos)),
adamc@141 887 pos)), pos)
adamc@141 888 end)
adamc@141 889
adamc@141 890 | tag GT xml END_TAG (let
adamc@141 891 val pos = s (tagleft, GTright)
adamc@325 892 val et = tagIn END_TAG
adamc@141 893 in
adamc@325 894 if #1 tag = et then
adamc@325 895 if et = "lform" then
adamc@141 896 (EApp ((EVar (["Basis"], "lform"), pos),
adamc@141 897 xml), pos)
adamc@141 898 else
adamc@141 899 (EApp (#2 tag, xml), pos)
adamc@141 900 else
adamc@325 901 (if ErrorMsg.anyErrors () then
adamc@325 902 ()
adamc@325 903 else
adamc@325 904 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@141 905 (EFold, pos))
adamc@141 906 end)
adamc@141 907 | LBRACE eexp RBRACE (eexp)
adamc@92 908
adamc@141 909 tag : tagHead attrs (let
adamc@141 910 val pos = s (tagHeadleft, attrsright)
adamc@141 911 in
adamc@141 912 (#1 tagHead,
adamc@141 913 (EApp ((EApp ((EVar (["Basis"], "tag"), pos),
adamc@141 914 (ERecord attrs, pos)), pos),
adamc@141 915 (EApp (#2 tagHead,
adamc@141 916 (ERecord [], pos)), pos)),
adamc@141 917 pos))
adamc@141 918 end)
adamc@141 919
adamc@141 920 tagHead: BEGIN_TAG (let
adamc@325 921 val bt = tagIn BEGIN_TAG
adamc@141 922 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 923 in
adamc@325 924 (bt,
adamc@325 925 (EVar ([], bt), pos))
adamc@141 926 end)
adamc@141 927 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 928
adamc@104 929 attrs : ([])
adamc@104 930 | attr attrs (attr :: attrs)
adamc@104 931
adamc@204 932 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 933
adamc@104 934 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 935 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 936 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 937 | LBRACE eexp RBRACE (eexp)
adamc@226 938
adamc@232 939 query : query1 obopt lopt ofopt (let
adamc@229 940 val loc = s (query1left, query1right)
adamc@230 941
adamc@230 942 val re = (ERecord [((CName "Rows", loc),
adamc@230 943 query1),
adamc@230 944 ((CName "OrderBy", loc),
adamc@231 945 obopt),
adamc@231 946 ((CName "Limit", loc),
adamc@232 947 lopt),
adamc@232 948 ((CName "Offset", loc),
adamc@232 949 ofopt)], loc)
adamc@229 950 in
adamc@230 951 (EApp ((EVar (["Basis"], "sql_query"), loc), re), loc)
adamc@229 952 end)
adamc@204 953
adamc@227 954 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 955 (let
adamc@204 956 val loc = s (SELECTleft, tablesright)
adamc@207 957
adamc@233 958 val (sel, exps) =
adamc@207 959 case select of
adamc@233 960 Star => (map (fn (nm, _) =>
adamc@233 961 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 962 loc),
adamc@233 963 (CRecord [], loc)],
adamc@233 964 loc))) tables,
adamc@233 965 [])
adamc@207 966 | Items sis =>
adamc@207 967 let
adamc@207 968 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 969 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 970 in
adamc@233 971 (map (fn (nm, c) => (nm,
adamc@233 972 (CTuple [c,
adamc@233 973 (CWild (KRecord (KType, loc), loc),
adamc@233 974 loc)], loc))) tabs,
adamc@233 975 exps)
adamc@207 976 end
adamc@207 977
adamc@207 978 val sel = (CRecord sel, loc)
adamc@207 979
adamc@226 980 val grp = case gopt of
adamc@226 981 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all"), loc),
adamc@226 982 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 983 loc), loc)), loc)
adamc@226 984 | SOME gis =>
adamc@226 985 let
adamc@226 986 val tabs = map (fn (nm, _) =>
adamc@226 987 (nm, (CRecord [], loc))) tables
adamc@226 988 val tabs = foldl (amend_group loc) tabs gis
adamc@226 989
adamc@226 990 val tabs = map (fn (nm, c) =>
adamc@226 991 (nm,
adamc@226 992 (CTuple [c,
adamc@226 993 (CWild (KRecord (KType, loc),
adamc@226 994 loc),
adamc@226 995 loc)], loc))) tabs
adamc@226 996 in
adamc@226 997 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@226 998 (CRecord tabs, loc)), loc)
adamc@226 999 end
adamc@226 1000
adamc@229 1001 val e = (EVar (["Basis"], "sql_query1"), loc)
adamc@209 1002 val re = (ERecord [((CName "From", loc),
adamc@209 1003 (ERecord tables, loc)),
adamc@209 1004 ((CName "Where", loc),
adamc@223 1005 wopt),
adamc@224 1006 ((CName "GroupBy", loc),
adamc@226 1007 grp),
adamc@224 1008 ((CName "Having", loc),
adamc@224 1009 hopt),
adamc@223 1010 ((CName "SelectFields", loc),
adamc@223 1011 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@233 1012 sel), loc)),
adamc@233 1013 ((CName "SelectExps", loc),
adamc@233 1014 (ERecord exps, loc))], loc)
adamc@223 1015
adamc@209 1016 val e = (EApp (e, re), loc)
adamc@204 1017 in
adamc@207 1018 e
adamc@204 1019 end)
adamc@229 1020 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1021 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1022 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1023
adamc@204 1024 tables : table ([table])
adamc@204 1025 | table COMMA tables (table :: tables)
adamc@204 1026
adamc@204 1027 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1028 | LBRACE cexp RBRACE (cexp)
adamc@204 1029
adamc@243 1030 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@204 1031 (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@204 1032 | SYMBOL AS tname (tname, (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@221 1033 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1034
adamc@243 1035 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1036 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1037 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1038
adamc@207 1039 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1040 | LBRACE cexp RBRACE (cexp)
adamc@207 1041
adamc@207 1042 seli : tident DOT fident (Field (tident, fident))
adamc@233 1043 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@207 1044
adamc@207 1045 selis : seli ([seli])
adamc@207 1046 | seli COMMA selis (seli :: selis)
adamc@207 1047
adamc@207 1048 select : STAR (Star)
adamc@207 1049 | selis (Items selis)
adamc@209 1050
adamc@209 1051 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True"),
adamc@209 1052 EVar (["Basis"], "sql_bool"),
adamc@209 1053 s (TRUEleft, TRUEright)))
adamc@209 1054 | FALSE (sql_inject (EVar (["Basis"], "False"),
adamc@209 1055 EVar (["Basis"], "sql_bool"),
adamc@209 1056 s (FALSEleft, FALSEright)))
adamc@209 1057
adamc@222 1058 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1059 EVar (["Basis"], "sql_int"),
adamc@222 1060 s (INTleft, INTright)))
adamc@222 1061 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1062 EVar (["Basis"], "sql_float"),
adamc@222 1063 s (FLOATleft, FLOATright)))
adamc@229 1064 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1065 EVar (["Basis"], "sql_string"),
adamc@229 1066 s (STRINGleft, STRINGright)))
adamc@222 1067
adamc@221 1068 | tident DOT fident (let
adamc@221 1069 val loc = s (tidentleft, fidentright)
adamc@221 1070 val e = (EVar (["Basis"], "sql_field"), loc)
adamc@221 1071 val e = (ECApp (e, tident), loc)
adamc@221 1072 in
adamc@221 1073 (ECApp (e, fident), loc)
adamc@221 1074 end)
adamc@234 1075 | CSYMBOL (let
adamc@234 1076 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1077 in
adamc@310 1078 if !inDml then
adamc@310 1079 let
adamc@310 1080 val e = (EVar (["Basis"], "sql_field"), loc)
adamc@310 1081 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1082 in
adamc@310 1083 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1084 end
adamc@310 1085 else
adamc@310 1086 let
adamc@310 1087 val e = (EVar (["Basis"], "sql_exp"), loc)
adamc@310 1088 in
adamc@310 1089 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1090 end
adamc@310 1091 end)
adamc@221 1092
adamc@219 1093 | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1094 | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1095 | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1096 | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1097 | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1098 | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1099
adamc@220 1100 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1101 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1102 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@220 1103
adamc@210 1104 | LBRACE eexp RBRACE (sql_inject (#1 eexp,
adamc@211 1105 EWild,
adamc@210 1106 s (LBRACEleft, RBRACEright)))
adamc@220 1107 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1108
adamc@235 1109 | COUNT LPAREN STAR RPAREN (let
adamc@235 1110 val loc = s (COUNTleft, RPARENright)
adamc@235 1111 in
adamc@235 1112 (EApp ((EVar (["Basis"], "sql_count"), loc),
adamc@235 1113 (ERecord [], loc)), loc)
adamc@235 1114 end)
adamc@236 1115 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1116 val loc = s (sqlaggleft, RPARENright)
adamc@236 1117
adamc@236 1118 val e = (EApp ((EVar (["Basis"], "sql_" ^ sqlagg), loc),
adamc@236 1119 (EWild, loc)), loc)
adamc@236 1120 val e = (EApp ((EVar (["Basis"], "sql_aggregate"), loc),
adamc@236 1121 e), loc)
adamc@236 1122 in
adamc@236 1123 (EApp (e, sqlexp), loc)
adamc@236 1124 end)
adamc@235 1125
adamc@209 1126 wopt : (sql_inject (EVar (["Basis"], "True"),
adamc@209 1127 EVar (["Basis"], "sql_bool"),
adamc@230 1128 dummy))
adamc@209 1129 | CWHERE sqlexp (sqlexp)
adamc@226 1130
adamc@226 1131 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1132
adamc@226 1133 groupis: groupi ([groupi])
adamc@226 1134 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1135
adamc@226 1136 gopt : (NONE)
adamc@226 1137 | GROUP BY groupis (SOME groupis)
adamc@227 1138
adamc@227 1139 hopt : (sql_inject (EVar (["Basis"], "True"),
adamc@227 1140 EVar (["Basis"], "sql_bool"),
adamc@230 1141 dummy))
adamc@227 1142 | HAVING sqlexp (sqlexp)
adamc@230 1143
adamc@230 1144 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil"), dummy),
adamc@234 1145 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1146 dummy)
adamc@230 1147 | ORDER BY obexps (obexps)
adamc@230 1148
adamc@268 1149 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1150
adamc@268 1151 obexps : obitem (let
adamc@268 1152 val loc = s (obitemleft, obitemright)
adamc@230 1153
adamc@230 1154 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil"), loc),
adamc@234 1155 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1156 loc)
adamc@230 1157 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons"), loc),
adamc@268 1158 #1 obitem), loc)
adamc@268 1159 val e = (EApp (e, #2 obitem), loc)
adamc@230 1160 in
adamc@230 1161 (EApp (e, e'), loc)
adamc@230 1162 end)
adamc@268 1163 | obitem COMMA obexps (let
adamc@268 1164 val loc = s (obitemleft, obexpsright)
adamc@230 1165
adamc@230 1166 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons"), loc),
adamc@268 1167 #1 obitem), loc)
adamc@268 1168 val e = (EApp (e, #2 obitem), loc)
adamc@230 1169 in
adamc@230 1170 (EApp (e, obexps), loc)
adamc@230 1171 end)
adamc@231 1172
adamc@268 1173 diropt : (EVar (["Basis"], "sql_asc"), dummy)
adamc@268 1174 | ASC (EVar (["Basis"], "sql_asc"), s (ASCleft, ASCright))
adamc@268 1175 | DESC (EVar (["Basis"], "sql_desc"), s (DESCleft, DESCright))
adamc@268 1176
adamc@231 1177 lopt : (EVar (["Basis"], "sql_no_limit"), dummy)
adamc@232 1178 | LIMIT ALL (EVar (["Basis"], "sql_no_limit"), dummy)
adamc@231 1179 | LIMIT sqlint (let
adamc@231 1180 val loc = s (LIMITleft, sqlintright)
adamc@231 1181 in
adamc@231 1182 (EApp ((EVar (["Basis"], "sql_limit"), loc), sqlint), loc)
adamc@231 1183 end)
adamc@231 1184
adamc@232 1185 ofopt : (EVar (["Basis"], "sql_no_offset"), dummy)
adamc@232 1186 | OFFSET sqlint (let
adamc@232 1187 val loc = s (OFFSETleft, sqlintright)
adamc@232 1188 in
adamc@232 1189 (EApp ((EVar (["Basis"], "sql_offset"), loc), sqlint), loc)
adamc@232 1190 end)
adamc@232 1191
adamc@231 1192 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1193 | LBRACE eexp RBRACE (eexp)
adamc@236 1194
adamc@236 1195 sqlagg : AVG ("avg")
adamc@236 1196 | SUM ("sum")
adamc@236 1197 | MIN ("min")
adamc@236 1198 | MAX ("max")