Mercurial > urweb

annotate src/urweb.grm @ 325:e457d8972ff1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Crud listing IDs
author Adam Chlipala <adamc@hcoop.net>
date Thu, 11 Sep 2008 17:41:52 -0400
parents 0aee86b8a6d6
children eec65c11d3e2
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@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@88 175 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN
adamc@203 176 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE
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@149 319 %right PLUSPLUS MINUSMINUS
adamc@195 320 %right STAR
adamc@220 321 %left NOT
adamc@84 322 %nonassoc TWIDDLE
adamc@1 323 %nonassoc DOLLAR
adamc@1 324 %left DOT
adamc@221 325 %nonassoc LBRACE RBRACE
adamc@1 326
adamc@1 327 %%
adamc@1 328
adamc@1 329 file : decls (decls)
adamc@54 330 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 331 s (SIGleft, sgisright))])
adamc@1 332
adamc@1 333 decls : ([])
adamc@325 334 | decl decls (decl @ decls)
adamc@1 335
adamc@240 336 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 337 val loc = s (CONleft, cexpright)
adamc@240 338
adamc@240 339 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 340 val (c, k) = cargl2 (cexp, k)
adamc@240 341 in
adamc@325 342 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 343 end)
adamc@325 344 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 345 s (LTYPEleft, cexpright))])
adamc@325 346 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 347 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 348 (case dargs of
adamc@325 349 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 350 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 351 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 352 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 353 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 354
adamc@325 355 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 356 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 357 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 358 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 359 ([(DStr (CSYMBOL1, NONE,
adamc@325 360 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 361 s (FUNCTORleft, strright))])
adamc@42 362 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 363 ([(DStr (CSYMBOL1, NONE,
adamc@325 364 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 365 s (FUNCTORleft, strright))])
adamc@325 366 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 367 | OPEN mpath (case mpath of
adamc@61 368 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 369 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 370 | OPEN mpath LPAREN str RPAREN (let
adamc@325 371 val loc = s (OPENleft, RPARENright)
adamc@325 372
adamc@325 373 val m = case mpath of
adamc@325 374 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 375 | m :: ms =>
adamc@325 376 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 377 (StrVar m, loc) ms
adamc@325 378 in
adamc@325 379 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 380 (DOpen ("anon", []), loc)]
adamc@325 381 end)
adamc@88 382 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 383 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 384 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 385 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 386 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@325 387 | TABLE SYMBOL COLON cexp ([(DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))])
adamc@325 388 | CLASS SYMBOL EQ cexp ([(DClass (SYMBOL, cexp), s (CLASSleft, cexpright))])
adamc@211 389 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 390 val loc = s (CLASSleft, cexpright)
adamc@211 391 val k = (KType, loc)
adamc@211 392 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 393 in
adamc@325 394 [(DClass (SYMBOL1, c), s (CLASSleft, cexpright))]
adamc@211 395 end)
adamc@30 396
adamc@240 397 kopt : (NONE)
adamc@240 398 | DCOLON kind (SOME kind)
adamc@240 399
adamc@191 400 dargs : ([])
adamc@191 401 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 402
adamc@156 403 barOpt : ()
adamc@156 404 | BAR ()
adamc@156 405
adamc@156 406 dcons : dcon ([dcon])
adamc@156 407 | dcon BAR dcons (dcon :: dcons)
adamc@156 408
adamc@156 409 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 410 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 411
adamc@242 412 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 413 val loc = s (SYMBOLleft, eexpright)
adamc@242 414 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 415
adamc@242 416 val (e, t) = eargl2 (eexp, t)
adamc@242 417 in
adamc@242 418 (SYMBOL, SOME t, e)
adamc@242 419 end)
adamc@242 420
adamc@242 421 copt : (NONE)
adamc@242 422 | COLON cexp (SOME cexp)
adamc@123 423
adamc@123 424 valis : vali ([vali])
adamc@123 425 | vali AND valis (vali :: valis)
adamc@123 426
adamc@42 427 sgn : sgntm (sgntm)
adamc@40 428 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 429 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 430
adamc@42 431 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 432 | mpath (case mpath of
adamc@61 433 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 434 | [x] => SgnVar x
adamc@59 435 | m :: ms => SgnProj (m,
adamc@59 436 List.take (ms, length ms - 1),
adamc@59 437 List.nth (ms, length ms - 1)),
adamc@59 438 s (mpathleft, mpathright))
adamc@42 439 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 440 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 441 | LPAREN sgn RPAREN (sgn)
adamc@42 442
adamc@30 443 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 444 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 445 s (LTYPEleft, SYMBOLright))
adamc@30 446 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 447 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 448 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 449 s (LTYPEleft, cexpright))
adamc@191 450 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 451 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 452 (case dargs of
adamc@191 453 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 454 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 455 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 456
adamc@30 457 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 458 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 459 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 460 (SgiStr (CSYMBOL1,
adamc@42 461 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 462 s (FUNCTORleft, sgn2right))
adamc@58 463 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 464 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@203 465 | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@211 466 | CLASS SYMBOL (SgiClassAbs SYMBOL, s (CLASSleft, SYMBOLright))
adamc@211 467 | CLASS SYMBOL EQ cexp (SgiClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 468 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 469 val loc = s (CLASSleft, cexpright)
adamc@211 470 val k = (KType, loc)
adamc@211 471 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 472 in
adamc@211 473 (SgiClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 474 end)
adamc@30 475
adamc@30 476 sgis : ([])
adamc@30 477 | sgi sgis (sgi :: sgis)
adamc@30 478
adamc@30 479 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 480 | spath (spath)
adamc@40 481 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 482 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 483 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 484 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 485 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 486
adamc@34 487 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 488 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 489
adamc@1 490 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 491 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 492 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 493 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 494 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 495 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 496 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 497 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@207 498
adamc@207 499 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 500 | kind STAR ktuple (kind :: ktuple)
adamc@1 501
adamc@1 502 capps : cterm (cterm)
adamc@1 503 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 504
adamc@1 505 cexp : capps (capps)
adamc@1 506 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 507 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@1 508
adamc@1 509 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 510
adamc@239 511 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@84 512 | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@85 513 | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
adamc@1 514
adamc@8 515 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 516
adamc@18 517 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 518 | ctuple (let
adamc@195 519 val loc = s (ctupleleft, ctupleright)
adamc@195 520 in
adamc@195 521 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 522 ((CName (Int.toString (i + 1)), loc),
adamc@195 523 c)) ctuple),
adamc@195 524 loc), loc)
adamc@195 525 end)
adamc@18 526
adamc@1 527 kcolon : DCOLON (Explicit)
adamc@1 528 | TCOLON (Implicit)
adamc@1 529
adamc@239 530 cargs : carg (carg)
adamc@239 531 | cargl (cargl)
adamc@239 532
adamc@239 533 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 534 | cargp cargl (cargp o cargl)
adamc@239 535
adamc@240 536 cargl2 : (fn x => x)
adamc@240 537 | cargp cargl2 (cargp o cargl2)
adamc@240 538
adamc@241 539 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 540 let
adamc@239 541 val loc = s (SYMBOLleft, kindright)
adamc@239 542 in
adamc@239 543 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 544 (KArrow (kind, k), loc))
adamc@239 545 end)
adamc@241 546 | cargp (cargp)
adamc@239 547
adamc@239 548 cargp : SYMBOL (fn (c, k) =>
adamc@239 549 let
adamc@239 550 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 551 in
adamc@239 552 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 553 (KArrow ((KWild, loc), k), loc))
adamc@239 554 end)
adamc@239 555 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 556 let
adamc@239 557 val loc = s (LPARENleft, RPARENright)
adamc@239 558 in
adamc@239 559 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 560 (KArrow (kind, k), loc))
adamc@239 561 end)
adamc@239 562
adamc@34 563 path : SYMBOL ([], SYMBOL)
adamc@34 564 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 565
adamc@156 566 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 567 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 568
adamc@59 569 mpath : CSYMBOL ([CSYMBOL])
adamc@59 570 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 571
adamc@1 572 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 573 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 574 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 575 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 576 s (LBRACEleft, RBRACEright))
adamc@1 577 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 578 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 579 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 580
adamc@34 581 | path (CVar path, s (pathleft, pathright))
adamc@207 582 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 583 s (pathleft, INTright))
adamc@18 584 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@67 585 | FOLD (CFold, s (FOLDleft, FOLDright))
adamc@82 586 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 587 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 588
adamc@207 589 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 590 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 591
adamc@196 592 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 593 | capps STAR ctuple (capps :: ctuple)
adamc@195 594
adamc@1 595 rcon : ([])
adamc@1 596 | ident EQ cexp ([(ident, cexp)])
adamc@1 597 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 598
adamc@83 599 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 600 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 601
adamc@1 602 rcone : ([])
adamc@1 603 | ident COLON cexp ([(ident, cexp)])
adamc@1 604 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 605
adamc@1 606 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 607 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 608 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 609
adamc@8 610 eapps : eterm (eterm)
adamc@8 611 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 612 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@8 613
adamc@8 614 eexp : eapps (eapps)
adamc@241 615 | FN eargs DARROW eexp (let
adamc@93 616 val loc = s (FNleft, eexpright)
adamc@93 617 in
adamc@241 618 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 619 end)
adamc@241 620 | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright))
adamc@196 621 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 622 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@170 623 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 624 | IF eexp THEN eexp ELSE eexp (let
adamc@190 625 val loc = s (IFleft, eexp3right)
adamc@190 626 in
adamc@190 627 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 628 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 629 end)
adamc@243 630 | SYMBOL LARROW eexp SEMI eexp (let
adamc@243 631 val loc = s (SYMBOLleft, eexp2right)
adamc@243 632 val e = (EVar (["Basis"], "bind"), loc)
adamc@243 633 val e = (EApp (e, eexp1), loc)
adamc@243 634 in
adamc@243 635 (EApp (e, (EAbs (SYMBOL, NONE, eexp2), loc)), loc)
adamc@243 636 end)
adamc@299 637 | UNIT LARROW eexp SEMI eexp (let
adamc@299 638 val loc = s (UNITleft, eexp2right)
adamc@299 639 val e = (EVar (["Basis"], "bind"), loc)
adamc@299 640 val e = (EApp (e, eexp1), loc)
adamc@299 641 val t = (TRecord (CRecord [], loc), loc)
adamc@299 642 in
adamc@299 643 (EApp (e, (EAbs ("_", SOME t, eexp2), loc)), loc)
adamc@299 644 end)
adamc@256 645 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 646 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@8 647
adamc@241 648 eargs : earg (earg)
adamc@241 649 | eargl (eargl)
adamc@241 650
adamc@241 651 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 652 | eargp eargl (eargp o eargl)
adamc@241 653
adamc@242 654 eargl2 : (fn x => x)
adamc@242 655 | eargp eargl2 (eargp o eargl2)
adamc@242 656
adamc@241 657 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 658 let
adamc@241 659 val loc = s (SYMBOLleft, kindright)
adamc@241 660 in
adamc@241 661 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 662 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 663 end)
adamc@241 664 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 665 let
adamc@241 666 val loc = s (SYMBOLleft, cexpright)
adamc@241 667 in
adamc@241 668 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 669 (TFun (cexp, t), loc))
adamc@241 670 end)
adamc@241 671 | UNDER COLON cexp (fn (e, t) =>
adamc@241 672 let
adamc@241 673 val loc = s (UNDERleft, cexpright)
adamc@241 674 in
adamc@241 675 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 676 (TFun (cexp, t), loc))
adamc@241 677 end)
adamc@241 678 | eargp (eargp)
adamc@241 679
adamc@241 680 eargp : SYMBOL (fn (e, t) =>
adamc@241 681 let
adamc@241 682 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 683 in
adamc@241 684 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 685 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 686 end)
adamc@241 687 | UNIT (fn (e, t) =>
adamc@241 688 let
adamc@241 689 val loc = s (UNITleft, UNITright)
adamc@241 690 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 691 in
adamc@241 692 ((EAbs ("_", SOME t', e), loc),
adamc@241 693 (TFun (t', t), loc))
adamc@241 694 end)
adamc@241 695 | UNDER (fn (e, t) =>
adamc@241 696 let
adamc@241 697 val loc = s (UNDERleft, UNDERright)
adamc@241 698 in
adamc@241 699 ((EAbs ("_", NONE, e), loc),
adamc@241 700 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 701 end)
adamc@241 702 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 703 let
adamc@241 704 val loc = s (LPARENleft, RPARENright)
adamc@241 705 in
adamc@241 706 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 707 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 708 end)
adamc@241 709 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 710 let
adamc@241 711 val loc = s (LPARENleft, RPARENright)
adamc@241 712 in
adamc@241 713 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 714 (TFun (cexp, t), loc))
adamc@241 715 end)
adamc@241 716 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 717 let
adamc@241 718 val loc = s (LPARENleft, RPARENright)
adamc@241 719 in
adamc@241 720 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 721 (TFun (cexp, t), loc))
adamc@241 722 end)
adamc@241 723
adamc@8 724 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 725 | LPAREN etuple RPAREN (let
adamc@195 726 val loc = s (LPARENleft, RPARENright)
adamc@195 727 in
adamc@195 728 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 729 ((CName (Int.toString (i + 1)), loc),
adamc@195 730 e)) etuple), loc)
adamc@195 731 end)
adamc@8 732
adamc@34 733 | path (EVar path, s (pathleft, pathright))
adamc@156 734 | cpath (EVar cpath, s (cpathleft, cpathright))
adamc@12 735 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 736 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 737
adamc@14 738 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 739 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 740 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 741
adamc@200 742 | path DOT idents (let
adamc@200 743 val loc = s (pathleft, identsright)
adamc@200 744 in
adamc@200 745 foldl (fn (ident, e) =>
adamc@200 746 (EField (e, ident), loc))
adamc@200 747 (EVar path, s (pathleft, pathright)) idents
adamc@200 748 end)
adamc@71 749 | FOLD (EFold, s (FOLDleft, FOLDright))
adamc@71 750
adamc@91 751 | XML_BEGIN xml XML_END (xml)
adamc@91 752 | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)),
adamc@91 753 (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))),
adamc@91 754 s (XML_BEGINleft, XML_ENDright))
adamc@302 755
adamc@204 756 | LPAREN query RPAREN (query)
adamc@300 757 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@302 758
adamc@302 759 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 760 (let
adamc@302 761 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 762
adamc@302 763 val e = (EVar (["Basis"], "insert"), loc)
adamc@302 764 val e = (EApp (e, texp), loc)
adamc@302 765 in
adamc@302 766 if length fields <> length sqlexps then
adamc@302 767 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 768 else
adamc@302 769 ();
adamc@302 770 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 771 end)
adamc@310 772 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 773 (let
adamc@303 774 val loc = s (LPARENleft, RPARENright)
adamc@303 775
adamc@303 776 val e = (EVar (["Basis"], "update"), loc)
adamc@306 777 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 778 val e = (EApp (e, texp), loc)
adamc@303 779 in
adamc@303 780 (EApp (e, sqlexp), loc)
adamc@303 781 end)
adamc@310 782 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 783 (let
adamc@304 784 val loc = s (LPARENleft, RPARENright)
adamc@304 785
adamc@304 786 val e = (EVar (["Basis"], "delete"), loc)
adamc@304 787 val e = (EApp (e, texp), loc)
adamc@304 788 in
adamc@304 789 (EApp (e, sqlexp), loc)
adamc@304 790 end)
adamc@302 791
adamc@211 792 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 793
adamc@310 794 enterDml : (inDml := true)
adamc@310 795 leaveDml : (inDml := false)
adamc@310 796
adamc@302 797 texp : SYMBOL (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@302 798 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 799
adamc@302 800 fields : fident ([fident])
adamc@302 801 | fident COMMA fields (fident :: fields)
adamc@302 802
adamc@302 803 sqlexps: sqlexp ([sqlexp])
adamc@302 804 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 805
adamc@303 806 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 807 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 808
adamc@200 809 idents : ident ([ident])
adamc@200 810 | ident DOT idents (ident :: idents)
adamc@200 811
adamc@195 812 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 813 | eexp COMMA etuple (eexp :: etuple)
adamc@195 814
adamc@170 815 branch : pat DARROW eexp (pat, eexp)
adamc@170 816
adamc@170 817 branchs: ([])
adamc@170 818 | BAR branch branchs (branch :: branchs)
adamc@170 819
adamc@170 820 pat : pterm (pterm)
adamc@170 821 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 822
adamc@170 823 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 824 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 825 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 826 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 827 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 828 | LPAREN pat RPAREN (pat)
adamc@174 829 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 830 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 831 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 832 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 833 false),
adamc@195 834 s (LPARENleft, RPARENright))
adamc@174 835
adamc@175 836 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 837 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 838 | DOTDOTDOT ([], true)
adamc@175 839 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 840 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 841
adamc@195 842 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 843 | pat COMMA ptuple (pat :: ptuple)
adamc@195 844
adamc@12 845 rexp : ([])
adamc@12 846 | ident EQ eexp ([(ident, eexp)])
adamc@12 847 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 848
adamc@141 849 xml : xmlOne xml (let
adamc@141 850 val pos = s (xmlOneleft, xmlright)
adamc@141 851 in
adamc@141 852 (EApp ((EApp (
adamc@141 853 (EVar (["Basis"], "join"), pos),
adamc@91 854 xmlOne), pos),
adamc@141 855 xml), pos)
adamc@141 856 end)
adamc@141 857 | xmlOne (xmlOne)
adamc@91 858
adamc@141 859 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)),
adamc@141 860 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 861 s (NOTAGSleft, NOTAGSright))
adamc@141 862 | tag DIVIDE GT (let
adamc@141 863 val pos = s (tagleft, GTright)
adamc@141 864 in
adamc@141 865 (EApp (#2 tag,
adamc@141 866 (EApp ((EVar (["Basis"], "cdata"), pos),
adamc@141 867 (EPrim (Prim.String ""), pos)),
adamc@141 868 pos)), pos)
adamc@141 869 end)
adamc@141 870
adamc@141 871 | tag GT xml END_TAG (let
adamc@141 872 val pos = s (tagleft, GTright)
adamc@325 873 val et = tagIn END_TAG
adamc@141 874 in
adamc@325 875 if #1 tag = et then
adamc@325 876 if et = "lform" then
adamc@141 877 (EApp ((EVar (["Basis"], "lform"), pos),
adamc@141 878 xml), pos)
adamc@141 879 else
adamc@141 880 (EApp (#2 tag, xml), pos)
adamc@141 881 else
adamc@325 882 (if ErrorMsg.anyErrors () then
adamc@325 883 ()
adamc@325 884 else
adamc@325 885 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@141 886 (EFold, pos))
adamc@141 887 end)
adamc@141 888 | LBRACE eexp RBRACE (eexp)
adamc@92 889
adamc@141 890 tag : tagHead attrs (let
adamc@141 891 val pos = s (tagHeadleft, attrsright)
adamc@141 892 in
adamc@141 893 (#1 tagHead,
adamc@141 894 (EApp ((EApp ((EVar (["Basis"], "tag"), pos),
adamc@141 895 (ERecord attrs, pos)), pos),
adamc@141 896 (EApp (#2 tagHead,
adamc@141 897 (ERecord [], pos)), pos)),
adamc@141 898 pos))
adamc@141 899 end)
adamc@141 900
adamc@141 901 tagHead: BEGIN_TAG (let
adamc@325 902 val bt = tagIn BEGIN_TAG
adamc@141 903 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 904 in
adamc@325 905 (bt,
adamc@325 906 (EVar ([], bt), pos))
adamc@141 907 end)
adamc@141 908 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 909
adamc@104 910 attrs : ([])
adamc@104 911 | attr attrs (attr :: attrs)
adamc@104 912
adamc@204 913 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 914
adamc@104 915 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 916 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 917 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 918 | LBRACE eexp RBRACE (eexp)
adamc@226 919
adamc@232 920 query : query1 obopt lopt ofopt (let
adamc@229 921 val loc = s (query1left, query1right)
adamc@230 922
adamc@230 923 val re = (ERecord [((CName "Rows", loc),
adamc@230 924 query1),
adamc@230 925 ((CName "OrderBy", loc),
adamc@231 926 obopt),
adamc@231 927 ((CName "Limit", loc),
adamc@232 928 lopt),
adamc@232 929 ((CName "Offset", loc),
adamc@232 930 ofopt)], loc)
adamc@229 931 in
adamc@230 932 (EApp ((EVar (["Basis"], "sql_query"), loc), re), loc)
adamc@229 933 end)
adamc@204 934
adamc@227 935 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 936 (let
adamc@204 937 val loc = s (SELECTleft, tablesright)
adamc@207 938
adamc@233 939 val (sel, exps) =
adamc@207 940 case select of
adamc@233 941 Star => (map (fn (nm, _) =>
adamc@233 942 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 943 loc),
adamc@233 944 (CRecord [], loc)],
adamc@233 945 loc))) tables,
adamc@233 946 [])
adamc@207 947 | Items sis =>
adamc@207 948 let
adamc@207 949 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 950 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 951 in
adamc@233 952 (map (fn (nm, c) => (nm,
adamc@233 953 (CTuple [c,
adamc@233 954 (CWild (KRecord (KType, loc), loc),
adamc@233 955 loc)], loc))) tabs,
adamc@233 956 exps)
adamc@207 957 end
adamc@207 958
adamc@207 959 val sel = (CRecord sel, loc)
adamc@207 960
adamc@226 961 val grp = case gopt of
adamc@226 962 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all"), loc),
adamc@226 963 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 964 loc), loc)), loc)
adamc@226 965 | SOME gis =>
adamc@226 966 let
adamc@226 967 val tabs = map (fn (nm, _) =>
adamc@226 968 (nm, (CRecord [], loc))) tables
adamc@226 969 val tabs = foldl (amend_group loc) tabs gis
adamc@226 970
adamc@226 971 val tabs = map (fn (nm, c) =>
adamc@226 972 (nm,
adamc@226 973 (CTuple [c,
adamc@226 974 (CWild (KRecord (KType, loc),
adamc@226 975 loc),
adamc@226 976 loc)], loc))) tabs
adamc@226 977 in
adamc@226 978 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@226 979 (CRecord tabs, loc)), loc)
adamc@226 980 end
adamc@226 981
adamc@229 982 val e = (EVar (["Basis"], "sql_query1"), loc)
adamc@209 983 val re = (ERecord [((CName "From", loc),
adamc@209 984 (ERecord tables, loc)),
adamc@209 985 ((CName "Where", loc),
adamc@223 986 wopt),
adamc@224 987 ((CName "GroupBy", loc),
adamc@226 988 grp),
adamc@224 989 ((CName "Having", loc),
adamc@224 990 hopt),
adamc@223 991 ((CName "SelectFields", loc),
adamc@223 992 (ECApp ((EVar (["Basis"], "sql_subset"), loc),
adamc@233 993 sel), loc)),
adamc@233 994 ((CName "SelectExps", loc),
adamc@233 995 (ERecord exps, loc))], loc)
adamc@223 996
adamc@209 997 val e = (EApp (e, re), loc)
adamc@204 998 in
adamc@207 999 e
adamc@204 1000 end)
adamc@229 1001 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1002 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1003 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1004
adamc@204 1005 tables : table ([table])
adamc@204 1006 | table COMMA tables (table :: tables)
adamc@204 1007
adamc@204 1008 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1009 | LBRACE cexp RBRACE (cexp)
adamc@204 1010
adamc@243 1011 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@204 1012 (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@204 1013 | SYMBOL AS tname (tname, (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
adamc@221 1014 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1015
adamc@243 1016 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1017 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1018 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1019
adamc@207 1020 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1021 | LBRACE cexp RBRACE (cexp)
adamc@207 1022
adamc@207 1023 seli : tident DOT fident (Field (tident, fident))
adamc@233 1024 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@207 1025
adamc@207 1026 selis : seli ([seli])
adamc@207 1027 | seli COMMA selis (seli :: selis)
adamc@207 1028
adamc@207 1029 select : STAR (Star)
adamc@207 1030 | selis (Items selis)
adamc@209 1031
adamc@209 1032 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True"),
adamc@209 1033 EVar (["Basis"], "sql_bool"),
adamc@209 1034 s (TRUEleft, TRUEright)))
adamc@209 1035 | FALSE (sql_inject (EVar (["Basis"], "False"),
adamc@209 1036 EVar (["Basis"], "sql_bool"),
adamc@209 1037 s (FALSEleft, FALSEright)))
adamc@209 1038
adamc@222 1039 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1040 EVar (["Basis"], "sql_int"),
adamc@222 1041 s (INTleft, INTright)))
adamc@222 1042 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1043 EVar (["Basis"], "sql_float"),
adamc@222 1044 s (FLOATleft, FLOATright)))
adamc@229 1045 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1046 EVar (["Basis"], "sql_string"),
adamc@229 1047 s (STRINGleft, STRINGright)))
adamc@222 1048
adamc@221 1049 | tident DOT fident (let
adamc@221 1050 val loc = s (tidentleft, fidentright)
adamc@221 1051 val e = (EVar (["Basis"], "sql_field"), loc)
adamc@221 1052 val e = (ECApp (e, tident), loc)
adamc@221 1053 in
adamc@221 1054 (ECApp (e, fident), loc)
adamc@221 1055 end)
adamc@234 1056 | CSYMBOL (let
adamc@234 1057 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1058 in
adamc@310 1059 if !inDml then
adamc@310 1060 let
adamc@310 1061 val e = (EVar (["Basis"], "sql_field"), loc)
adamc@310 1062 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1063 in
adamc@310 1064 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1065 end
adamc@310 1066 else
adamc@310 1067 let
adamc@310 1068 val e = (EVar (["Basis"], "sql_exp"), loc)
adamc@310 1069 in
adamc@310 1070 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1071 end
adamc@310 1072 end)
adamc@221 1073
adamc@219 1074 | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1075 | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1076 | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1077 | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1078 | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1079 | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1080
adamc@220 1081 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1082 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1083 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@220 1084
adamc@210 1085 | LBRACE eexp RBRACE (sql_inject (#1 eexp,
adamc@211 1086 EWild,
adamc@210 1087 s (LBRACEleft, RBRACEright)))
adamc@220 1088 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1089
adamc@235 1090 | COUNT LPAREN STAR RPAREN (let
adamc@235 1091 val loc = s (COUNTleft, RPARENright)
adamc@235 1092 in
adamc@235 1093 (EApp ((EVar (["Basis"], "sql_count"), loc),
adamc@235 1094 (ERecord [], loc)), loc)
adamc@235 1095 end)
adamc@236 1096 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1097 val loc = s (sqlaggleft, RPARENright)
adamc@236 1098
adamc@236 1099 val e = (EApp ((EVar (["Basis"], "sql_" ^ sqlagg), loc),
adamc@236 1100 (EWild, loc)), loc)
adamc@236 1101 val e = (EApp ((EVar (["Basis"], "sql_aggregate"), loc),
adamc@236 1102 e), loc)
adamc@236 1103 in
adamc@236 1104 (EApp (e, sqlexp), loc)
adamc@236 1105 end)
adamc@235 1106
adamc@209 1107 wopt : (sql_inject (EVar (["Basis"], "True"),
adamc@209 1108 EVar (["Basis"], "sql_bool"),
adamc@230 1109 dummy))
adamc@209 1110 | CWHERE sqlexp (sqlexp)
adamc@226 1111
adamc@226 1112 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1113
adamc@226 1114 groupis: groupi ([groupi])
adamc@226 1115 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1116
adamc@226 1117 gopt : (NONE)
adamc@226 1118 | GROUP BY groupis (SOME groupis)
adamc@227 1119
adamc@227 1120 hopt : (sql_inject (EVar (["Basis"], "True"),
adamc@227 1121 EVar (["Basis"], "sql_bool"),
adamc@230 1122 dummy))
adamc@227 1123 | HAVING sqlexp (sqlexp)
adamc@230 1124
adamc@230 1125 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil"), dummy),
adamc@234 1126 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1127 dummy)
adamc@230 1128 | ORDER BY obexps (obexps)
adamc@230 1129
adamc@268 1130 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1131
adamc@268 1132 obexps : obitem (let
adamc@268 1133 val loc = s (obitemleft, obitemright)
adamc@230 1134
adamc@230 1135 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil"), loc),
adamc@234 1136 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1137 loc)
adamc@230 1138 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons"), loc),
adamc@268 1139 #1 obitem), loc)
adamc@268 1140 val e = (EApp (e, #2 obitem), loc)
adamc@230 1141 in
adamc@230 1142 (EApp (e, e'), loc)
adamc@230 1143 end)
adamc@268 1144 | obitem COMMA obexps (let
adamc@268 1145 val loc = s (obitemleft, obexpsright)
adamc@230 1146
adamc@230 1147 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons"), loc),
adamc@268 1148 #1 obitem), loc)
adamc@268 1149 val e = (EApp (e, #2 obitem), loc)
adamc@230 1150 in
adamc@230 1151 (EApp (e, obexps), loc)
adamc@230 1152 end)
adamc@231 1153
adamc@268 1154 diropt : (EVar (["Basis"], "sql_asc"), dummy)
adamc@268 1155 | ASC (EVar (["Basis"], "sql_asc"), s (ASCleft, ASCright))
adamc@268 1156 | DESC (EVar (["Basis"], "sql_desc"), s (DESCleft, DESCright))
adamc@268 1157
adamc@231 1158 lopt : (EVar (["Basis"], "sql_no_limit"), dummy)
adamc@232 1159 | LIMIT ALL (EVar (["Basis"], "sql_no_limit"), dummy)
adamc@231 1160 | LIMIT sqlint (let
adamc@231 1161 val loc = s (LIMITleft, sqlintright)
adamc@231 1162 in
adamc@231 1163 (EApp ((EVar (["Basis"], "sql_limit"), loc), sqlint), loc)
adamc@231 1164 end)
adamc@231 1165
adamc@232 1166 ofopt : (EVar (["Basis"], "sql_no_offset"), dummy)
adamc@232 1167 | OFFSET sqlint (let
adamc@232 1168 val loc = s (OFFSETleft, sqlintright)
adamc@232 1169 in
adamc@232 1170 (EApp ((EVar (["Basis"], "sql_offset"), loc), sqlint), loc)
adamc@232 1171 end)
adamc@232 1172
adamc@231 1173 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1174 | LBRACE eexp RBRACE (eexp)
adamc@236 1175
adamc@236 1176 sqlagg : AVG ("avg")
adamc@236 1177 | SUM ("sum")
adamc@236 1178 | MIN ("min")
adamc@236 1179 | MAX ("max")