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Parsing 'let'
author Adam Chlipala <adamc@hcoop.net>
date Sat, 01 Nov 2008 10:47:10 -0400
parents dfc8c991abd0
children f542bc3133dc
rev   line source
adamc@1 1 (* Copyright (c) 2008, Adam Chlipala
adamc@1 2 * All rights reserved.
adamc@1 3 *
adamc@1 4 * Redistribution and use in source and binary forms, with or without
adamc@1 5 * modification, are permitted provided that the following conditions are met:
adamc@1 6 *
adamc@1 7 * - Redistributions of source code must retain the above copyright notice,
adamc@1 8 * this list of conditions and the following disclaimer.
adamc@1 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@1 10 * this list of conditions and the following disclaimer in the documentation
adamc@1 11 * and/or other materials provided with the distribution.
adamc@1 12 * - The names of contributors may not be used to endorse or promote products
adamc@1 13 * derived from this software without specific prior written permission.
adamc@1 14 *
adamc@339 15 * THIS SOFTARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@1 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@1 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@1 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@1 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@1 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@1 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@1 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@1 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@1 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@1 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@1 26 *)
adamc@1 27
adamc@244 28 (* Grammar for Ur/Web programs *)
adamc@1 29
adamc@4 30 open Source
adamc@1 31
adamc@1 32 val s = ErrorMsg.spanOf
adamc@230 33 val dummy = ErrorMsg.dummySpan
adamc@1 34
adamc@204 35 fun capitalize "" = ""
adamc@204 36 | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@104 37
adamc@203 38 fun entable t =
adamc@203 39 case #1 t of
adamc@203 40 TRecord c => c
adamc@203 41 | _ => t
adamc@203 42
adamc@207 43 datatype select_item =
adamc@207 44 Field of con * con
adamc@233 45 | Exp of con * exp
adamc@341 46 | Fields of con * con
adamc@207 47
adamc@207 48 datatype select =
adamc@207 49 Star
adamc@207 50 | Items of select_item list
adamc@207 51
adamc@226 52 datatype group_item =
adamc@226 53 GField of con * con
adamc@226 54
adamc@207 55 fun eqTnames ((c1, _), (c2, _)) =
adamc@207 56 case (c1, c2) of
adamc@207 57 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207 58 | (CName x1, CName x2) => x1 = x2
adamc@207 59 | _ => false
adamc@207 60
adamc@233 61 fun amend_select loc (si, (tabs, exps)) =
adamc@233 62 case si of
adamc@233 63 Field (tx, fx) =>
adamc@233 64 let
adamc@233 65 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207 66
adamc@233 67 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233 68 if eqTnames (tx, tx') then
adamc@233 69 ((tx', (CConcat (c, c'), loc)), true)
adamc@233 70 else
adamc@233 71 ((tx', c'), found))
adamc@233 72 false tabs
adamc@233 73 in
adamc@233 74 if found then
adamc@233 75 ()
adamc@233 76 else
adamc@233 77 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@233 78
adamc@233 79 (tabs, exps)
adamc@233 80 end
adamc@341 81 | Fields (tx, fs) =>
adamc@341 82 let
adamc@341 83 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@341 84 if eqTnames (tx, tx') then
adamc@341 85 ((tx', (CConcat (fs, c'), loc)), true)
adamc@341 86 else
adamc@341 87 ((tx', c'), found))
adamc@341 88 false tabs
adamc@341 89 in
adamc@341 90 if found then
adamc@341 91 ()
adamc@341 92 else
adamc@341 93 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@341 94
adamc@341 95 (tabs, exps)
adamc@341 96 end
adamc@233 97 | Exp (c, e) => (tabs, (c, e) :: exps)
adamc@207 98
adamc@226 99 fun amend_group loc (gi, tabs) =
adamc@226 100 let
adamc@226 101 val (tx, c) = case gi of
adamc@226 102 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adamc@226 103
adamc@226 104 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226 105 if eqTnames (tx, tx') then
adamc@226 106 ((tx', (CConcat (c, c'), loc)), true)
adamc@226 107 else
adamc@226 108 ((tx', c'), found))
adamc@226 109 false tabs
adamc@226 110 in
adamc@226 111 if found then
adamc@226 112 ()
adamc@226 113 else
adamc@226 114 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226 115
adamc@226 116 tabs
adamc@226 117 end
adamc@226 118
adamc@403 119 fun sql_inject (v, loc) =
adamc@403 120 (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
adamc@209 121
adamc@219 122 fun sql_compare (oper, sqlexp1, sqlexp2, loc) =
adamc@219 123 let
adamc@403 124 val e = (EVar (["Basis"], "sql_comparison", Infer), loc)
adamc@403 125 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@219 126 val e = (EApp (e, sqlexp1), loc)
adamc@219 127 in
adamc@234 128 (EApp (e, sqlexp2), loc)
adamc@220 129 end
adamc@220 130
adamc@220 131 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220 132 let
adamc@403 133 val e = (EVar (["Basis"], "sql_binary", Infer), loc)
adamc@403 134 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 135 val e = (EApp (e, sqlexp1), loc)
adamc@220 136 in
adamc@220 137 (EApp (e, sqlexp2), loc)
adamc@220 138 end
adamc@220 139
adamc@220 140 fun sql_unary (oper, sqlexp, loc) =
adamc@220 141 let
adamc@403 142 val e = (EVar (["Basis"], "sql_unary", Infer), loc)
adamc@403 143 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220 144 in
adamc@220 145 (EApp (e, sqlexp), loc)
adamc@219 146 end
adamc@219 147
adamc@229 148 fun sql_relop (oper, sqlexp1, sqlexp2, loc) =
adamc@229 149 let
adamc@403 150 val e = (EVar (["Basis"], "sql_relop", Infer), loc)
adamc@403 151 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@229 152 val e = (EApp (e, sqlexp1), loc)
adamc@229 153 in
adamc@229 154 (EApp (e, sqlexp2), loc)
adamc@229 155 end
adamc@229 156
adamc@441 157 fun sql_nfunc (oper, loc) =
adamc@441 158 let
adamc@441 159 val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
adamc@441 160 in
adamc@441 161 (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@441 162 end
adamc@441 163
adamc@389 164 fun native_unop (oper, e1, loc) =
adamc@389 165 let
adamc@403 166 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@389 167 in
adamc@389 168 (EApp (e, e1), loc)
adamc@389 169 end
adamc@389 170
adamc@256 171 fun native_op (oper, e1, e2, loc) =
adamc@256 172 let
adamc@403 173 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@256 174 val e = (EApp (e, e1), loc)
adamc@256 175 in
adamc@256 176 (EApp (e, e2), loc)
adamc@256 177 end
adamc@256 178
adamc@310 179 val inDml = ref false
adamc@310 180
adamc@325 181 fun tagIn bt =
adamc@325 182 case bt of
adamc@325 183 "table" => "tabl"
adamc@325 184 | _ => bt
adamc@325 185
adamc@1 186 %%
adamc@244 187 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1 188
adamc@1 189 %term
adamc@1 190 EOF
adamc@14 191 | STRING of string | INT of Int64.int | FLOAT of Real64.real
adamc@1 192 | SYMBOL of string | CSYMBOL of string
adamc@1 193 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
adamc@156 194 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
adamc@403 195 | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | AT
adamc@242 196 | CON | LTYPE | VAL | REC | AND | FUN | FOLD | UNIT | KUNIT | CLASS
adamc@156 197 | DATATYPE | OF
adamc@7 198 | TYPE | NAME
adamc@243 199 | ARROW | LARROW | DARROW | STAR | SEMI
adamc@149 200 | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE
adamc@446 201 | LET | IN
adamc@445 202 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN | SQL
adamc@338 203 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE | SEQUENCE
adamc@190 204 | CASE | IF | THEN | ELSE
adamc@1 205
adamc@360 206 | XML_BEGIN of string | XML_END | XML_BEGIN_END of string
adamc@91 207 | NOTAGS of string
adamc@91 208 | BEGIN_TAG of string | END_TAG of string
adamc@91 209
adamc@230 210 | SELECT | FROM | AS | CWHERE | GROUP | ORDER | BY | HAVING
adamc@229 211 | UNION | INTERSECT | EXCEPT
adamc@232 212 | LIMIT | OFFSET | ALL
adamc@220 213 | TRUE | FALSE | CAND | OR | NOT
adamc@236 214 | COUNT | AVG | SUM | MIN | MAX
adamc@268 215 | ASC | DESC
adamc@302 216 | INSERT | INTO | VALUES | UPDATE | SET | DELETE
adamc@441 217 | CURRENT_TIMESTAMP
adamc@219 218 | NE | LT | LE | GT | GE
adamc@204 219
adamc@30 220 %nonterm
adamc@1 221 file of decl list
adamc@1 222 | decls of decl list
adamc@325 223 | decl of decl list
adamc@123 224 | vali of string * con option * exp
adamc@123 225 | valis of (string * con option * exp) list
adamc@242 226 | copt of con option
adamc@1 227
adamc@191 228 | dargs of string list
adamc@156 229 | barOpt of unit
adamc@156 230 | dcons of (string * con option) list
adamc@156 231 | dcon of string * con option
adamc@156 232
adamc@30 233 | sgn of sgn
adamc@42 234 | sgntm of sgn
adamc@30 235 | sgi of sgn_item
adamc@30 236 | sgis of sgn_item list
adamc@30 237
adamc@30 238 | str of str
adamc@30 239
adamc@1 240 | kind of kind
adamc@207 241 | ktuple of kind list
adamc@1 242 | kcolon of explicitness
adamc@240 243 | kopt of kind option
adamc@1 244
adamc@34 245 | path of string list * string
adamc@156 246 | cpath of string list * string
adamc@34 247 | spath of str
adamc@59 248 | mpath of string list
adamc@34 249
adamc@1 250 | cexp of con
adamc@1 251 | capps of con
adamc@1 252 | cterm of con
adamc@195 253 | ctuple of con list
adamc@207 254 | ctuplev of con list
adamc@1 255 | ident of con
adamc@200 256 | idents of con list
adamc@1 257 | rcon of (con * con) list
adamc@83 258 | rconn of (con * con) list
adamc@1 259 | rcone of (con * con) list
adamc@239 260 | cargs of con * kind -> con * kind
adamc@239 261 | cargl of con * kind -> con * kind
adamc@240 262 | cargl2 of con * kind -> con * kind
adamc@239 263 | carg of con * kind -> con * kind
adamc@239 264 | cargp of con * kind -> con * kind
adamc@1 265
adamc@8 266 | eexp of exp
adamc@8 267 | eapps of exp
adamc@8 268 | eterm of exp
adamc@195 269 | etuple of exp list
adamc@12 270 | rexp of (con * exp) list
adamc@91 271 | xml of exp
adamc@91 272 | xmlOne of exp
adamc@141 273 | tag of string * exp
adamc@141 274 | tagHead of string * exp
adamc@434 275 | bind of string * con option * exp
adamc@446 276 | edecl of edecl
adamc@446 277 | edecls of edecl list
adamc@8 278
adamc@241 279 | earg of exp * con -> exp * con
adamc@241 280 | eargp of exp * con -> exp * con
adamc@241 281 | eargs of exp * con -> exp * con
adamc@241 282 | eargl of exp * con -> exp * con
adamc@242 283 | eargl2 of exp * con -> exp * con
adamc@241 284
adamc@170 285 | branch of pat * exp
adamc@170 286 | branchs of (pat * exp) list
adamc@170 287 | pat of pat
adamc@170 288 | pterm of pat
adamc@174 289 | rpat of (string * pat) list * bool
adamc@195 290 | ptuple of pat list
adamc@170 291
adamc@104 292 | attrs of (con * exp) list
adamc@104 293 | attr of con * exp
adamc@104 294 | attrv of exp
adamc@104 295
adamc@204 296 | query of exp
adamc@226 297 | query1 of exp
adamc@204 298 | tables of (con * exp) list
adamc@204 299 | tname of con
adamc@204 300 | table of con * exp
adamc@207 301 | tident of con
adamc@207 302 | fident of con
adamc@207 303 | seli of select_item
adamc@207 304 | selis of select_item list
adamc@207 305 | select of select
adamc@209 306 | sqlexp of exp
adamc@209 307 | wopt of exp
adamc@226 308 | groupi of group_item
adamc@226 309 | groupis of group_item list
adamc@226 310 | gopt of group_item list option
adamc@227 311 | hopt of exp
adamc@230 312 | obopt of exp
adamc@268 313 | obitem of exp * exp
adamc@230 314 | obexps of exp
adamc@268 315 | diropt of exp
adamc@231 316 | lopt of exp
adamc@232 317 | ofopt of exp
adamc@231 318 | sqlint of exp
adamc@236 319 | sqlagg of string
adamc@207 320
adamc@302 321 | texp of exp
adamc@302 322 | fields of con list
adamc@302 323 | sqlexps of exp list
adamc@303 324 | fsets of (con * exp) list
adamc@310 325 | enterDml of unit
adamc@310 326 | leaveDml of unit
adamc@302 327
adamc@204 328
adamc@1 329 %verbose (* print summary of errors *)
adamc@1 330 %pos int (* positions *)
adamc@1 331 %start file
adamc@1 332 %pure
adamc@1 333 %eop EOF
adamc@1 334 %noshift EOF
adamc@1 335
adamc@244 336 %name Urweb
adamc@1 337
adamc@243 338 %right SEMI
adamc@243 339 %nonassoc LARROW
adamc@195 340 %nonassoc IF THEN ELSE
adamc@1 341 %nonassoc DARROW
adamc@1 342 %nonassoc COLON
adamc@6 343 %nonassoc DCOLON TCOLON
adamc@229 344 %left UNION INTERSECT EXCEPT
adamc@1 345 %right COMMA
adamc@220 346 %right OR
adamc@220 347 %right CAND
adamc@219 348 %nonassoc EQ NE LT LE GT GE
adamc@243 349 %right ARROW
adamc@149 350 %right PLUSPLUS MINUSMINUS
adamc@389 351 %left PLUS MINUS
adamc@389 352 %left STAR DIVIDE MOD
adamc@220 353 %left NOT
adamc@84 354 %nonassoc TWIDDLE
adamc@1 355 %nonassoc DOLLAR
adamc@1 356 %left DOT
adamc@221 357 %nonassoc LBRACE RBRACE
adamc@1 358
adamc@1 359 %%
adamc@1 360
adamc@1 361 file : decls (decls)
adamc@54 362 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54 363 s (SIGleft, sgisright))])
adamc@1 364
adamc@1 365 decls : ([])
adamc@325 366 | decl decls (decl @ decls)
adamc@1 367
adamc@240 368 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240 369 val loc = s (CONleft, cexpright)
adamc@240 370
adamc@240 371 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240 372 val (c, k) = cargl2 (cexp, k)
adamc@240 373 in
adamc@325 374 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240 375 end)
adamc@325 376 | LTYPE SYMBOL EQ cexp ([(DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@325 377 s (LTYPEleft, cexpright))])
adamc@325 378 | DATATYPE SYMBOL dargs EQ barOpt dcons([(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))])
adamc@191 379 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 380 (case dargs of
adamc@325 381 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191 382 | _ => raise Fail "Arguments specified for imported datatype")
adamc@325 383 | VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325 384 | VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325 385 | FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1 386
adamc@325 387 | SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adamc@325 388 | STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))])
adamc@325 389 | STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))])
adamc@42 390 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adamc@325 391 ([(DStr (CSYMBOL1, NONE,
adamc@325 392 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325 393 s (FUNCTORleft, strright))])
adamc@42 394 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adamc@325 395 ([(DStr (CSYMBOL1, NONE,
adamc@325 396 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325 397 s (FUNCTORleft, strright))])
adamc@325 398 | EXTERN STRUCTURE CSYMBOL COLON sgn ([(DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))])
adamc@61 399 | OPEN mpath (case mpath of
adamc@61 400 [] => raise Fail "Impossible mpath parse [1]"
adamc@325 401 | m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325 402 | OPEN mpath LPAREN str RPAREN (let
adamc@325 403 val loc = s (OPENleft, RPARENright)
adamc@325 404
adamc@325 405 val m = case mpath of
adamc@325 406 [] => raise Fail "Impossible mpath parse [4]"
adamc@325 407 | m :: ms =>
adamc@325 408 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325 409 (StrVar m, loc) ms
adamc@325 410 in
adamc@325 411 [(DStr ("anon", NONE, (StrApp (m, str), loc)), loc),
adamc@325 412 (DOpen ("anon", []), loc)]
adamc@325 413 end)
adamc@88 414 | OPEN CONSTRAINTS mpath (case mpath of
adamc@88 415 [] => raise Fail "Impossible mpath parse [3]"
adamc@325 416 | m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325 417 | CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325 418 | EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@325 419 | TABLE SYMBOL COLON cexp ([(DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))])
adamc@338 420 | SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@325 421 | CLASS SYMBOL EQ cexp ([(DClass (SYMBOL, cexp), s (CLASSleft, cexpright))])
adamc@211 422 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 423 val loc = s (CLASSleft, cexpright)
adamc@211 424 val k = (KType, loc)
adamc@211 425 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 426 in
adamc@325 427 [(DClass (SYMBOL1, c), s (CLASSleft, cexpright))]
adamc@211 428 end)
adamc@30 429
adamc@240 430 kopt : (NONE)
adamc@240 431 | DCOLON kind (SOME kind)
adamc@240 432
adamc@191 433 dargs : ([])
adamc@191 434 | SYMBOL dargs (SYMBOL :: dargs)
adamc@191 435
adamc@156 436 barOpt : ()
adamc@156 437 | BAR ()
adamc@156 438
adamc@156 439 dcons : dcon ([dcon])
adamc@156 440 | dcon BAR dcons (dcon :: dcons)
adamc@156 441
adamc@156 442 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156 443 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156 444
adamc@242 445 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242 446 val loc = s (SYMBOLleft, eexpright)
adamc@242 447 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242 448
adamc@242 449 val (e, t) = eargl2 (eexp, t)
adamc@242 450 in
adamc@242 451 (SYMBOL, SOME t, e)
adamc@242 452 end)
adamc@242 453
adamc@242 454 copt : (NONE)
adamc@242 455 | COLON cexp (SOME cexp)
adamc@123 456
adamc@123 457 valis : vali ([vali])
adamc@123 458 | vali AND valis (vali :: valis)
adamc@123 459
adamc@42 460 sgn : sgntm (sgntm)
adamc@40 461 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40 462 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30 463
adamc@42 464 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59 465 | mpath (case mpath of
adamc@61 466 [] => raise Fail "Impossible mpath parse [2]"
adamc@59 467 | [x] => SgnVar x
adamc@59 468 | m :: ms => SgnProj (m,
adamc@59 469 List.take (ms, length ms - 1),
adamc@59 470 List.nth (ms, length ms - 1)),
adamc@59 471 s (mpathleft, mpathright))
adamc@42 472 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 473 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42 474 | LPAREN sgn RPAREN (sgn)
adamc@42 475
adamc@30 476 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
adamc@30 477 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@30 478 s (LTYPEleft, SYMBOLright))
adamc@30 479 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
adamc@30 480 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
adamc@30 481 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
adamc@30 482 s (LTYPEleft, cexpright))
adamc@191 483 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
adamc@191 484 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191 485 (case dargs of
adamc@191 486 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191 487 | _ => raise Fail "Arguments specified for imported datatype")
adamc@30 488 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
adamc@30 489
adamc@30 490 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
adamc@59 491 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
adamc@42 492 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@42 493 (SgiStr (CSYMBOL1,
adamc@42 494 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@42 495 s (FUNCTORleft, sgn2right))
adamc@58 496 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
adamc@88 497 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
adamc@203 498 | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
adamc@338 499 | SEQUENCE SYMBOL (SgiSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))
adamc@211 500 | CLASS SYMBOL (SgiClassAbs SYMBOL, s (CLASSleft, SYMBOLright))
adamc@211 501 | CLASS SYMBOL EQ cexp (SgiClass (SYMBOL, cexp), s (CLASSleft, cexpright))
adamc@211 502 | CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211 503 val loc = s (CLASSleft, cexpright)
adamc@211 504 val k = (KType, loc)
adamc@211 505 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211 506 in
adamc@211 507 (SgiClass (SYMBOL1, c), s (CLASSleft, cexpright))
adamc@211 508 end)
adamc@30 509
adamc@30 510 sgis : ([])
adamc@30 511 | sgi sgis (sgi :: sgis)
adamc@30 512
adamc@30 513 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34 514 | spath (spath)
adamc@40 515 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40 516 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40 517 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40 518 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44 519 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34 520
adamc@34 521 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34 522 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30 523
adamc@1 524 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1 525 | NAME (KName, s (NAMEleft, NAMEright))
adamc@1 526 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1 527 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1 528 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82 529 | KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18 530 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207 531 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@207 532
adamc@207 533 ktuple : kind STAR kind ([kind1, kind2])
adamc@207 534 | kind STAR ktuple (kind :: ktuple)
adamc@1 535
adamc@1 536 capps : cterm (cterm)
adamc@1 537 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1 538
adamc@1 539 cexp : capps (capps)
adamc@1 540 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15 541 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@1 542
adamc@1 543 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1 544
adamc@239 545 | FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@1 546
adamc@8 547 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6 548
adamc@18 549 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195 550 | ctuple (let
adamc@195 551 val loc = s (ctupleleft, ctupleright)
adamc@195 552 in
adamc@195 553 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195 554 ((CName (Int.toString (i + 1)), loc),
adamc@195 555 c)) ctuple),
adamc@195 556 loc), loc)
adamc@195 557 end)
adamc@18 558
adamc@1 559 kcolon : DCOLON (Explicit)
adamc@1 560 | TCOLON (Implicit)
adamc@1 561
adamc@239 562 cargs : carg (carg)
adamc@239 563 | cargl (cargl)
adamc@239 564
adamc@239 565 cargl : cargp cargp (cargp1 o cargp2)
adamc@239 566 | cargp cargl (cargp o cargl)
adamc@239 567
adamc@240 568 cargl2 : (fn x => x)
adamc@240 569 | cargp cargl2 (cargp o cargl2)
adamc@240 570
adamc@241 571 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239 572 let
adamc@239 573 val loc = s (SYMBOLleft, kindright)
adamc@239 574 in
adamc@239 575 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 576 (KArrow (kind, k), loc))
adamc@239 577 end)
adamc@329 578 | UNDER DCOLON kind (fn (c, k) =>
adamc@329 579 let
adamc@329 580 val loc = s (UNDERleft, kindright)
adamc@329 581 in
adamc@329 582 ((CAbs ("_", SOME kind, c), loc),
adamc@329 583 (KArrow (kind, k), loc))
adamc@329 584 end)
adamc@241 585 | cargp (cargp)
adamc@239 586
adamc@239 587 cargp : SYMBOL (fn (c, k) =>
adamc@239 588 let
adamc@239 589 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239 590 in
adamc@239 591 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239 592 (KArrow ((KWild, loc), k), loc))
adamc@239 593 end)
adamc@329 594 | UNDER (fn (c, k) =>
adamc@329 595 let
adamc@329 596 val loc = s (UNDERleft, UNDERright)
adamc@329 597 in
adamc@329 598 ((CAbs ("_", NONE, c), loc),
adamc@329 599 (KArrow ((KWild, loc), k), loc))
adamc@329 600 end)
adamc@239 601 | LPAREN SYMBOL DCOLON kind RPAREN (fn (c, k) =>
adamc@239 602 let
adamc@239 603 val loc = s (LPARENleft, RPARENright)
adamc@239 604 in
adamc@239 605 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239 606 (KArrow (kind, k), loc))
adamc@239 607 end)
adamc@354 608 | LBRACK cterm TWIDDLE cterm RBRACK (fn (c, k) =>
adamc@354 609 let
adamc@354 610 val loc = s (LBRACKleft, RBRACKright)
adamc@354 611 in
adamc@354 612 ((CDisjoint (cterm1, cterm2, c), loc),
adamc@354 613 k)
adamc@354 614 end)
adamc@239 615
adamc@34 616 path : SYMBOL ([], SYMBOL)
adamc@34 617 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34 618
adamc@156 619 cpath : CSYMBOL ([], CSYMBOL)
adamc@156 620 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156 621
adamc@59 622 mpath : CSYMBOL ([CSYMBOL])
adamc@59 623 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59 624
adamc@1 625 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1 626 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83 627 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1 628 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1 629 s (LBRACEleft, RBRACEright))
adamc@1 630 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1 631 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195 632 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1 633
adamc@34 634 | path (CVar path, s (pathleft, pathright))
adamc@207 635 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207 636 s (pathleft, INTright))
adamc@18 637 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@67 638 | FOLD (CFold, s (FOLDleft, FOLDright))
adamc@82 639 | UNIT (CUnit, s (UNITleft, UNITright))
adamc@207 640 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207 641
adamc@207 642 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207 643 | cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1 644
adamc@196 645 ctuple : capps STAR capps ([capps1, capps2])
adamc@196 646 | capps STAR ctuple (capps :: ctuple)
adamc@195 647
adamc@1 648 rcon : ([])
adamc@1 649 | ident EQ cexp ([(ident, cexp)])
adamc@1 650 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1 651
adamc@83 652 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83 653 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83 654
adamc@1 655 rcone : ([])
adamc@1 656 | ident COLON cexp ([(ident, cexp)])
adamc@1 657 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1 658
adamc@1 659 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195 660 | INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200 661 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8 662
adamc@8 663 eapps : eterm (eterm)
adamc@8 664 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8 665 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@8 666
adamc@8 667 eexp : eapps (eapps)
adamc@241 668 | FN eargs DARROW eexp (let
adamc@93 669 val loc = s (FNleft, eexpright)
adamc@93 670 in
adamc@241 671 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93 672 end)
adamc@196 673 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149 674 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@170 675 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190 676 | IF eexp THEN eexp ELSE eexp (let
adamc@190 677 val loc = s (IFleft, eexp3right)
adamc@190 678 in
adamc@190 679 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190 680 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190 681 end)
adamc@434 682 | bind SEMI eexp (let
adamc@434 683 val loc = s (bindleft, eexpright)
adamc@434 684 val (v, to, e1) = bind
adamc@403 685 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434 686 val e = (EApp (e, e1), loc)
adamc@243 687 in
adamc@434 688 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299 689 end)
adamc@256 690 | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257 691 | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 692 | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389 693 | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 694 | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 695 | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright)))
adamc@389 696 | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389 697 | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 698
adamc@391 699 | eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 700 | eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 701 | eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 702 | eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391 703
adamc@445 704 | eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8 705
adamc@434 706 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434 707 | UNIT LARROW eapps (let
adamc@434 708 val loc = s (UNITleft, eappsright)
adamc@434 709 in
adamc@434 710 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 711 end)
adamc@434 712 | eapps (let
adamc@434 713 val loc = s (eappsleft, eappsright)
adamc@434 714 in
adamc@434 715 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434 716 end)
adamc@434 717
adamc@241 718 eargs : earg (earg)
adamc@241 719 | eargl (eargl)
adamc@241 720
adamc@241 721 eargl : eargp eargp (eargp1 o eargp2)
adamc@241 722 | eargp eargl (eargp o eargl)
adamc@241 723
adamc@242 724 eargl2 : (fn x => x)
adamc@242 725 | eargp eargl2 (eargp o eargl2)
adamc@242 726
adamc@241 727 earg : SYMBOL kcolon kind (fn (e, t) =>
adamc@241 728 let
adamc@241 729 val loc = s (SYMBOLleft, kindright)
adamc@241 730 in
adamc@241 731 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 732 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 733 end)
adamc@241 734 | SYMBOL COLON cexp (fn (e, t) =>
adamc@241 735 let
adamc@241 736 val loc = s (SYMBOLleft, cexpright)
adamc@241 737 in
adamc@241 738 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 739 (TFun (cexp, t), loc))
adamc@241 740 end)
adamc@241 741 | UNDER COLON cexp (fn (e, t) =>
adamc@241 742 let
adamc@241 743 val loc = s (UNDERleft, cexpright)
adamc@241 744 in
adamc@241 745 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 746 (TFun (cexp, t), loc))
adamc@241 747 end)
adamc@241 748 | eargp (eargp)
adamc@241 749
adamc@241 750 eargp : SYMBOL (fn (e, t) =>
adamc@241 751 let
adamc@241 752 val loc = s (SYMBOLleft, SYMBOLright)
adamc@241 753 in
adamc@241 754 ((EAbs (SYMBOL, NONE, e), loc),
adamc@241 755 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 756 end)
adamc@241 757 | UNIT (fn (e, t) =>
adamc@241 758 let
adamc@241 759 val loc = s (UNITleft, UNITright)
adamc@241 760 val t' = (TRecord (CRecord [], loc), loc)
adamc@241 761 in
adamc@241 762 ((EAbs ("_", SOME t', e), loc),
adamc@241 763 (TFun (t', t), loc))
adamc@241 764 end)
adamc@241 765 | UNDER (fn (e, t) =>
adamc@241 766 let
adamc@241 767 val loc = s (UNDERleft, UNDERright)
adamc@241 768 in
adamc@241 769 ((EAbs ("_", NONE, e), loc),
adamc@241 770 (TFun ((CWild (KType, loc), loc), t), loc))
adamc@241 771 end)
adamc@241 772 | LPAREN SYMBOL kcolon kind RPAREN(fn (e, t) =>
adamc@241 773 let
adamc@241 774 val loc = s (LPARENleft, RPARENright)
adamc@241 775 in
adamc@241 776 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241 777 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241 778 end)
adamc@241 779 | LPAREN SYMBOL COLON cexp RPAREN (fn (e, t) =>
adamc@241 780 let
adamc@241 781 val loc = s (LPARENleft, RPARENright)
adamc@241 782 in
adamc@241 783 ((EAbs (SYMBOL, SOME cexp, e), loc),
adamc@241 784 (TFun (cexp, t), loc))
adamc@241 785 end)
adamc@241 786 | LPAREN UNDER COLON cexp RPAREN (fn (e, t) =>
adamc@241 787 let
adamc@241 788 val loc = s (LPARENleft, RPARENright)
adamc@241 789 in
adamc@241 790 ((EAbs ("_", SOME cexp, e), loc),
adamc@241 791 (TFun (cexp, t), loc))
adamc@241 792 end)
adamc@354 793 | LPAREN cterm TWIDDLE cterm RPAREN(fn (e, t) =>
adamc@354 794 let
adamc@354 795 val loc = s (LPARENleft, RPARENright)
adamc@354 796 in
adamc@354 797 ((EDisjoint (cterm1, cterm2, e), loc),
adamc@354 798 (CDisjoint (cterm1, cterm2, t), loc))
adamc@354 799 end)
adamc@356 800 | LBRACK cterm TWIDDLE cterm RBRACK(fn (e, t) =>
adamc@356 801 let
adamc@356 802 val loc = s (LBRACKleft, RBRACKright)
adamc@356 803 in
adamc@356 804 ((EDisjoint (cterm1, cterm2, e), loc),
adamc@356 805 (CDisjoint (cterm1, cterm2, t), loc))
adamc@356 806 end)
adamc@241 807
adamc@8 808 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195 809 | LPAREN etuple RPAREN (let
adamc@195 810 val loc = s (LPARENleft, RPARENright)
adamc@195 811 in
adamc@195 812 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195 813 ((CName (Int.toString (i + 1)), loc),
adamc@195 814 e)) etuple), loc)
adamc@195 815 end)
adamc@8 816
adamc@403 817 | path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403 818 | cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403 819 | AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403 820 | AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403 821 | AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403 822 | AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12 823 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110 824 | UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12 825
adamc@14 826 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14 827 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14 828 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@14 829
adamc@200 830 | path DOT idents (let
adamc@200 831 val loc = s (pathleft, identsright)
adamc@200 832 in
adamc@200 833 foldl (fn (ident, e) =>
adamc@200 834 (EField (e, ident), loc))
adamc@403 835 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403 836 end)
adamc@403 837 | AT path DOT idents (let
adamc@403 838 val loc = s (ATleft, identsright)
adamc@403 839 in
adamc@403 840 foldl (fn (ident, e) =>
adamc@403 841 (EField (e, ident), loc))
adamc@403 842 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403 843 end)
adamc@403 844 | AT AT path DOT idents (let
adamc@403 845 val loc = s (AT1left, identsright)
adamc@403 846 in
adamc@403 847 foldl (fn (ident, e) =>
adamc@403 848 (EField (e, ident), loc))
adamc@403 849 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200 850 end)
adamc@71 851 | FOLD (EFold, s (FOLDleft, FOLDright))
adamc@71 852
adamc@360 853 | XML_BEGIN xml XML_END (let
adamc@360 854 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 855 in
adamc@360 856 if XML_BEGIN = "xml" then
adamc@360 857 ()
adamc@360 858 else
adamc@360 859 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360 860 xml
adamc@360 861 end)
adamc@360 862 | XML_BEGIN XML_END (let
adamc@360 863 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360 864 in
adamc@360 865 if XML_BEGIN = "xml" then
adamc@360 866 ()
adamc@360 867 else
adamc@360 868 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 869 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 870 (EPrim (Prim.String ""), loc)),
adamc@360 871 loc)
adamc@360 872 end)
adamc@360 873 | XML_BEGIN_END (let
adamc@360 874 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360 875 in
adamc@360 876 if XML_BEGIN_END = "xml" then
adamc@360 877 ()
adamc@360 878 else
adamc@360 879 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403 880 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360 881 (EPrim (Prim.String ""), loc)),
adamc@360 882 loc)
adamc@360 883 end)
adamc@302 884
adamc@204 885 | LPAREN query RPAREN (query)
adamc@300 886 | LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339 887 | LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@302 888
adamc@302 889 | LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302 890 (let
adamc@302 891 val loc = s (LPAREN1left, RPAREN3right)
adamc@302 892
adamc@403 893 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302 894 val e = (EApp (e, texp), loc)
adamc@302 895 in
adamc@302 896 if length fields <> length sqlexps then
adamc@302 897 ErrorMsg.errorAt loc "Length mismatch in INSERT field specification"
adamc@302 898 else
adamc@302 899 ();
adamc@302 900 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302 901 end)
adamc@310 902 | LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303 903 (let
adamc@303 904 val loc = s (LPARENleft, RPARENright)
adamc@303 905
adamc@403 906 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342 907 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@306 908 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305 909 val e = (EApp (e, texp), loc)
adamc@303 910 in
adamc@303 911 (EApp (e, sqlexp), loc)
adamc@303 912 end)
adamc@310 913 | LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304 914 (let
adamc@304 915 val loc = s (LPARENleft, RPARENright)
adamc@304 916
adamc@403 917 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304 918 val e = (EApp (e, texp), loc)
adamc@304 919 in
adamc@304 920 (EApp (e, sqlexp), loc)
adamc@304 921 end)
adamc@302 922
adamc@211 923 | UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91 924
adamc@446 925 | LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446 926
adamc@446 927 edecls : ([])
adamc@446 928 | edecl edecls (edecl :: edecls)
adamc@446 929
adamc@446 930 edecl : VAL vali ((EDVal vali, s (VALleft, valiright)))
adamc@446 931 | VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446 932 | FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446 933
adamc@310 934 enterDml : (inDml := true)
adamc@310 935 leaveDml : (inDml := false)
adamc@310 936
adamc@403 937 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302 938 | LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302 939
adamc@302 940 fields : fident ([fident])
adamc@302 941 | fident COMMA fields (fident :: fields)
adamc@302 942
adamc@302 943 sqlexps: sqlexp ([sqlexp])
adamc@302 944 | sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302 945
adamc@303 946 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303 947 | fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303 948
adamc@200 949 idents : ident ([ident])
adamc@200 950 | ident DOT idents (ident :: idents)
adamc@200 951
adamc@195 952 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195 953 | eexp COMMA etuple (eexp :: etuple)
adamc@195 954
adamc@170 955 branch : pat DARROW eexp (pat, eexp)
adamc@170 956
adamc@170 957 branchs: ([])
adamc@170 958 | BAR branch branchs (branch :: branchs)
adamc@170 959
adamc@170 960 pat : pterm (pterm)
adamc@170 961 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170 962
adamc@170 963 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170 964 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170 965 | UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173 966 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adamc@173 967 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@170 968 | LPAREN pat RPAREN (pat)
adamc@174 969 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174 970 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174 971 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195 972 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195 973 false),
adamc@195 974 s (LPARENleft, RPARENright))
adamc@174 975
adamc@175 976 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243 977 | INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174 978 | DOTDOTDOT ([], true)
adamc@175 979 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243 980 | INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170 981
adamc@195 982 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195 983 | pat COMMA ptuple (pat :: ptuple)
adamc@195 984
adamc@12 985 rexp : ([])
adamc@12 986 | ident EQ eexp ([(ident, eexp)])
adamc@12 987 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91 988
adamc@141 989 xml : xmlOne xml (let
adamc@141 990 val pos = s (xmlOneleft, xmlright)
adamc@141 991 in
adamc@141 992 (EApp ((EApp (
adamc@403 993 (EVar (["Basis"], "join", Infer), pos),
adamc@91 994 xmlOne), pos),
adamc@141 995 xml), pos)
adamc@141 996 end)
adamc@141 997 | xmlOne (xmlOne)
adamc@91 998
adamc@403 999 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141 1000 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141 1001 s (NOTAGSleft, NOTAGSright))
adamc@141 1002 | tag DIVIDE GT (let
adamc@141 1003 val pos = s (tagleft, GTright)
adamc@141 1004 in
adamc@141 1005 (EApp (#2 tag,
adamc@403 1006 (EApp ((EVar (["Basis"], "cdata", Infer), pos),
adamc@141 1007 (EPrim (Prim.String ""), pos)),
adamc@141 1008 pos)), pos)
adamc@141 1009 end)
adamc@141 1010
adamc@141 1011 | tag GT xml END_TAG (let
adamc@141 1012 val pos = s (tagleft, GTright)
adamc@325 1013 val et = tagIn END_TAG
adamc@141 1014 in
adamc@325 1015 if #1 tag = et then
adamc@361 1016 if et = "form" then
adamc@403 1017 (EApp ((EVar (["Basis"], "form", Infer), pos),
adamc@141 1018 xml), pos)
adamc@141 1019 else
adamc@141 1020 (EApp (#2 tag, xml), pos)
adamc@141 1021 else
adamc@325 1022 (if ErrorMsg.anyErrors () then
adamc@325 1023 ()
adamc@325 1024 else
adamc@325 1025 ErrorMsg.errorAt pos "Begin and end tags don't match.";
adamc@141 1026 (EFold, pos))
adamc@141 1027 end)
adamc@141 1028 | LBRACE eexp RBRACE (eexp)
adamc@391 1029 | LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391 1030 val loc = s (LBRACEleft, RBRACEright)
adamc@403 1031 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391 1032 in
adamc@391 1033 (EApp (e, eexp), loc)
adamc@391 1034 end)
adamc@92 1035
adamc@141 1036 tag : tagHead attrs (let
adamc@141 1037 val pos = s (tagHeadleft, attrsright)
adamc@141 1038 in
adamc@141 1039 (#1 tagHead,
adamc@403 1040 (EApp ((EApp ((EVar (["Basis"], "tag", Infer), pos),
adamc@141 1041 (ERecord attrs, pos)), pos),
adamc@141 1042 (EApp (#2 tagHead,
adamc@141 1043 (ERecord [], pos)), pos)),
adamc@141 1044 pos))
adamc@141 1045 end)
adamc@141 1046
adamc@141 1047 tagHead: BEGIN_TAG (let
adamc@325 1048 val bt = tagIn BEGIN_TAG
adamc@141 1049 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141 1050 in
adamc@325 1051 (bt,
adamc@403 1052 (EVar ([], bt, Infer), pos))
adamc@141 1053 end)
adamc@141 1054 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92 1055
adamc@104 1056 attrs : ([])
adamc@104 1057 | attr attrs (attr :: attrs)
adamc@104 1058
adamc@204 1059 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
adamc@204 1060
adamc@104 1061 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104 1062 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104 1063 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110 1064 | LBRACE eexp RBRACE (eexp)
adamc@226 1065
adamc@232 1066 query : query1 obopt lopt ofopt (let
adamc@229 1067 val loc = s (query1left, query1right)
adamc@230 1068
adamc@230 1069 val re = (ERecord [((CName "Rows", loc),
adamc@230 1070 query1),
adamc@230 1071 ((CName "OrderBy", loc),
adamc@231 1072 obopt),
adamc@231 1073 ((CName "Limit", loc),
adamc@232 1074 lopt),
adamc@232 1075 ((CName "Offset", loc),
adamc@232 1076 ofopt)], loc)
adamc@229 1077 in
adamc@403 1078 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229 1079 end)
adamc@204 1080
adamc@227 1081 query1 : SELECT select FROM tables wopt gopt hopt
adamc@209 1082 (let
adamc@204 1083 val loc = s (SELECTleft, tablesright)
adamc@207 1084
adamc@233 1085 val (sel, exps) =
adamc@207 1086 case select of
adamc@233 1087 Star => (map (fn (nm, _) =>
adamc@233 1088 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233 1089 loc),
adamc@233 1090 (CRecord [], loc)],
adamc@233 1091 loc))) tables,
adamc@233 1092 [])
adamc@207 1093 | Items sis =>
adamc@207 1094 let
adamc@207 1095 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
adamc@233 1096 val (tabs, exps) = foldl (amend_select loc) (tabs, []) sis
adamc@207 1097 in
adamc@233 1098 (map (fn (nm, c) => (nm,
adamc@233 1099 (CTuple [c,
adamc@233 1100 (CWild (KRecord (KType, loc), loc),
adamc@233 1101 loc)], loc))) tabs,
adamc@233 1102 exps)
adamc@207 1103 end
adamc@207 1104
adamc@207 1105 val sel = (CRecord sel, loc)
adamc@207 1106
adamc@226 1107 val grp = case gopt of
adamc@403 1108 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403 1109 Infer), loc),
adamc@226 1110 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226 1111 loc), loc)), loc)
adamc@226 1112 | SOME gis =>
adamc@226 1113 let
adamc@226 1114 val tabs = map (fn (nm, _) =>
adamc@226 1115 (nm, (CRecord [], loc))) tables
adamc@226 1116 val tabs = foldl (amend_group loc) tabs gis
adamc@226 1117
adamc@226 1118 val tabs = map (fn (nm, c) =>
adamc@226 1119 (nm,
adamc@226 1120 (CTuple [c,
adamc@226 1121 (CWild (KRecord (KType, loc),
adamc@226 1122 loc),
adamc@226 1123 loc)], loc))) tabs
adamc@226 1124 in
adamc@403 1125 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226 1126 (CRecord tabs, loc)), loc)
adamc@226 1127 end
adamc@226 1128
adamc@403 1129 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@209 1130 val re = (ERecord [((CName "From", loc),
adamc@209 1131 (ERecord tables, loc)),
adamc@209 1132 ((CName "Where", loc),
adamc@223 1133 wopt),
adamc@224 1134 ((CName "GroupBy", loc),
adamc@226 1135 grp),
adamc@224 1136 ((CName "Having", loc),
adamc@224 1137 hopt),
adamc@223 1138 ((CName "SelectFields", loc),
adamc@403 1139 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233 1140 sel), loc)),
adamc@233 1141 ((CName "SelectExps", loc),
adamc@233 1142 (ERecord exps, loc))], loc)
adamc@223 1143
adamc@209 1144 val e = (EApp (e, re), loc)
adamc@204 1145 in
adamc@207 1146 e
adamc@204 1147 end)
adamc@229 1148 | query1 UNION query1 (sql_relop ("union", query11, query12, s (query11left, query12right)))
adamc@229 1149 | query1 INTERSECT query1 (sql_relop ("intersect", query11, query12, s (query11left, query12right)))
adamc@229 1150 | query1 EXCEPT query1 (sql_relop ("except", query11, query12, s (query11left, query12right)))
adamc@204 1151
adamc@204 1152 tables : table ([table])
adamc@204 1153 | table COMMA tables (table :: tables)
adamc@204 1154
adamc@204 1155 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204 1156 | LBRACE cexp RBRACE (cexp)
adamc@204 1157
adamc@243 1158 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403 1159 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403 1160 | SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221 1161 | LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207 1162
adamc@243 1163 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207 1164 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221 1165 | LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207 1166
adamc@207 1167 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207 1168 | LBRACE cexp RBRACE (cexp)
adamc@207 1169
adamc@207 1170 seli : tident DOT fident (Field (tident, fident))
adamc@233 1171 | sqlexp AS fident (Exp (fident, sqlexp))
adamc@341 1172 | tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adamc@207 1173
adamc@207 1174 selis : seli ([seli])
adamc@207 1175 | seli COMMA selis (seli :: selis)
adamc@207 1176
adamc@207 1177 select : STAR (Star)
adamc@207 1178 | selis (Items selis)
adamc@209 1179
adamc@403 1180 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209 1181 s (TRUEleft, TRUEright)))
adamc@403 1182 | FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209 1183 s (FALSEleft, FALSEright)))
adamc@209 1184
adamc@222 1185 | INT (sql_inject (EPrim (Prim.Int INT),
adamc@222 1186 s (INTleft, INTright)))
adamc@222 1187 | FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222 1188 s (FLOATleft, FLOATright)))
adamc@229 1189 | STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229 1190 s (STRINGleft, STRINGright)))
adamc@441 1191 | CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441 1192 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222 1193
adamc@221 1194 | tident DOT fident (let
adamc@221 1195 val loc = s (tidentleft, fidentright)
adamc@403 1196 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221 1197 val e = (ECApp (e, tident), loc)
adamc@221 1198 in
adamc@221 1199 (ECApp (e, fident), loc)
adamc@221 1200 end)
adamc@234 1201 | CSYMBOL (let
adamc@234 1202 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310 1203 in
adamc@310 1204 if !inDml then
adamc@310 1205 let
adamc@403 1206 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310 1207 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310 1208 in
adamc@310 1209 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1210 end
adamc@310 1211 else
adamc@310 1212 let
adamc@403 1213 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310 1214 in
adamc@310 1215 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310 1216 end
adamc@310 1217 end)
adamc@221 1218
adamc@219 1219 | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1220 | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1221 | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1222 | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1223 | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1224 | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219 1225
adamc@220 1226 | sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1227 | sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220 1228 | NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@220 1229
adamc@210 1230 | LBRACE eexp RBRACE (sql_inject (#1 eexp,
adamc@210 1231 s (LBRACEleft, RBRACEright)))
adamc@220 1232 | LPAREN sqlexp RPAREN (sqlexp)
adamc@210 1233
adamc@235 1234 | COUNT LPAREN STAR RPAREN (let
adamc@235 1235 val loc = s (COUNTleft, RPARENright)
adamc@235 1236 in
adamc@403 1237 (EApp ((EVar (["Basis"], "sql_count", Infer), loc),
adamc@235 1238 (ERecord [], loc)), loc)
adamc@235 1239 end)
adamc@236 1240 | sqlagg LPAREN sqlexp RPAREN (let
adamc@236 1241 val loc = s (sqlaggleft, RPARENright)
adamc@236 1242
adamc@403 1243 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adamc@403 1244 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adamc@236 1245 e), loc)
adamc@236 1246 in
adamc@236 1247 (EApp (e, sqlexp), loc)
adamc@236 1248 end)
adamc@235 1249
adamc@403 1250 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1251 dummy))
adamc@209 1252 | CWHERE sqlexp (sqlexp)
adamc@226 1253
adamc@226 1254 groupi : tident DOT fident (GField (tident, fident))
adamc@226 1255
adamc@226 1256 groupis: groupi ([groupi])
adamc@226 1257 | groupi COMMA groupis (groupi :: groupis)
adamc@226 1258
adamc@226 1259 gopt : (NONE)
adamc@226 1260 | GROUP BY groupis (SOME groupis)
adamc@227 1261
adamc@403 1262 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230 1263 dummy))
adamc@227 1264 | HAVING sqlexp (sqlexp)
adamc@230 1265
adamc@403 1266 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234 1267 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230 1268 dummy)
adamc@230 1269 | ORDER BY obexps (obexps)
adamc@230 1270
adamc@268 1271 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268 1272
adamc@268 1273 obexps : obitem (let
adamc@268 1274 val loc = s (obitemleft, obitemright)
adamc@230 1275
adamc@403 1276 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234 1277 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230 1278 loc)
adamc@403 1279 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1280 #1 obitem), loc)
adamc@268 1281 val e = (EApp (e, #2 obitem), loc)
adamc@230 1282 in
adamc@230 1283 (EApp (e, e'), loc)
adamc@230 1284 end)
adamc@268 1285 | obitem COMMA obexps (let
adamc@268 1286 val loc = s (obitemleft, obexpsright)
adamc@230 1287
adamc@403 1288 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268 1289 #1 obitem), loc)
adamc@268 1290 val e = (EApp (e, #2 obitem), loc)
adamc@230 1291 in
adamc@230 1292 (EApp (e, obexps), loc)
adamc@230 1293 end)
adamc@231 1294
adamc@403 1295 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403 1296 | ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403 1297 | DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adamc@268 1298
adamc@403 1299 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403 1300 | LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231 1301 | LIMIT sqlint (let
adamc@231 1302 val loc = s (LIMITleft, sqlintright)
adamc@231 1303 in
adamc@403 1304 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231 1305 end)
adamc@231 1306
adamc@403 1307 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232 1308 | OFFSET sqlint (let
adamc@232 1309 val loc = s (OFFSETleft, sqlintright)
adamc@232 1310 in
adamc@403 1311 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232 1312 end)
adamc@232 1313
adamc@231 1314 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231 1315 | LBRACE eexp RBRACE (eexp)
adamc@236 1316
adamc@236 1317 sqlagg : AVG ("avg")
adamc@236 1318 | SUM ("sum")
adamc@236 1319 | MIN ("min")
adamc@236 1320 | MAX ("max")