Ur/Web: src/urweb.grm annotate

annotate src/urweb.grm @ 1820:3c56aa6a0f55

Reduce default inlining thresholds; improve a let-substitution optimization to compensate

author	Adam Chlipala <adam@chlipala.net>
date	Fri, 14 Sep 2012 07:35:48 -0400
parents	bb942416bf1c
children	be0c4e2e488a

rev	line source
adam@1751	1 (* Copyright (c) 2008-2012, 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@1194	45 \| Exp of con option * exp
adamc@341	46 \| Fields of con * con
adam@1627	47 \| StarFields of con
adamc@207	48
adamc@207	49 datatype select =
adamc@207	50 Star
adamc@207	51 \| Items of select_item list
adamc@207	52
adamc@226	53 datatype group_item =
adamc@226	54 GField of con * con
adam@1425	55 \| GFields of con * con
adamc@226	56
adamc@207	57 fun eqTnames ((c1, _), (c2, _)) =
adamc@207	58 case (c1, c2) of
adamc@207	59 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207	60 \| (CName x1, CName x2) => x1 = x2
adamc@207	61 \| _ => false
adamc@207	62
adam@1424	63 fun nameString (c, _) =
adam@1424	64 case c of
adam@1424	65 CName s => s
adam@1424	66 \| CVar (_, x) => x
adam@1424	67 \| _ => "?"
adam@1424	68
adam@1627	69 datatype tableMode =
adam@1627	70 Unknown
adam@1627	71 \| Everything
adam@1627	72 \| Selective of con
adam@1627	73
adamc@1194	74 fun amend_select loc (si, (count, tabs, exps)) =
adamc@233	75 case si of
adamc@233	76 Field (tx, fx) =>
adamc@233	77 let
adamc@233	78 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207	79
adamc@233	80 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233	81 if eqTnames (tx, tx') then
adam@1627	82 case c' of
adam@1627	83 Everything =>
adam@1627	84 (ErrorMsg.errorAt loc
adam@1627	85 "Mixing specific-field and '*' selection of fields from same table";
adam@1627	86 ((tx', c'), found))
adam@1627	87 \| Unknown =>
adam@1627	88 ((tx', Selective c), true)
adam@1627	89 \| Selective c' =>
adam@1627	90 ((tx', Selective (CConcat (c, c'), loc)), true)
adamc@233	91 else
adamc@233	92 ((tx', c'), found))
adamc@233	93 false tabs
adamc@233	94 in
adamc@233	95 if found then
adamc@233	96 ()
adamc@233	97 else
adam@1424	98 ErrorMsg.errorAt loc ("Select of field " ^ nameString fx ^ " from unbound table " ^ nameString tx);
adamc@233	99
adamc@1194	100 (count, tabs, exps)
adamc@233	101 end
adamc@341	102 \| Fields (tx, fs) =>
adamc@341	103 let
adamc@341	104 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@341	105 if eqTnames (tx, tx') then
adam@1627	106 case c' of
adam@1627	107 Everything =>
adam@1627	108 (ErrorMsg.errorAt loc
adam@1627	109 "Mixing specific-field and '*' selection of fields from same table";
adam@1627	110 ((tx', c'), found))
adam@1627	111 \| Selective c' =>
adam@1627	112 ((tx', Selective (CConcat (fs, c'), loc)), true)
adam@1627	113 \| Unknown =>
adam@1627	114 ((tx', Selective fs), true)
adamc@341	115 else
adamc@341	116 ((tx', c'), found))
adamc@341	117 false tabs
adamc@341	118 in
adamc@341	119 if found then
adamc@341	120 ()
adamc@341	121 else
adamc@341	122 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@341	123
adamc@1194	124 (count, tabs, exps)
adamc@341	125 end
adam@1627	126 \| StarFields tx =>
adam@1627	127 if List.exists (fn (tx', c') => eqTnames (tx, tx') andalso case c' of
adam@1627	128 Unknown => false
adam@1627	129 \| _ => true) tabs then
adam@1627	130 (ErrorMsg.errorAt loc "Selection with '*' from table already mentioned in same SELECT clause";
adam@1627	131 (count, tabs, exps))
adam@1627	132 else if List.all (fn (tx', c') => not (eqTnames (tx, tx'))) tabs then
adam@1627	133 (ErrorMsg.errorAt loc "Select of all fields from unbound table";
adam@1627	134 (count, tabs, exps))
adam@1627	135 else
adam@1627	136 (count, map (fn (tx', c') => (tx', if eqTnames (tx, tx') then Everything else c')) tabs, exps)
adamc@1194	137 \| Exp (SOME c, e) => (count, tabs, (c, e) :: exps)
adamc@1194	138 \| Exp (NONE, e) => (count+1, tabs, ((CName (Int.toString count), loc), e) :: exps)
adamc@207	139
adamc@226	140 fun amend_group loc (gi, tabs) =
adamc@226	141 let
adamc@226	142 val (tx, c) = case gi of
adamc@226	143 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adam@1425	144 \| GFields (tx, fxs) => (tx, fxs)
adamc@226	145
adamc@226	146 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226	147 if eqTnames (tx, tx') then
adamc@226	148 ((tx', (CConcat (c, c'), loc)), true)
adamc@226	149 else
adamc@226	150 ((tx', c'), found))
adam@1425	151 false tabs
adamc@226	152 in
adamc@226	153 if found then
adamc@226	154 ()
adamc@226	155 else
adamc@226	156 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226	157
adamc@226	158 tabs
adamc@226	159 end
adamc@226	160
adamc@403	161 fun sql_inject (v, loc) =
adamc@403	162 (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
adamc@209	163
adamc@220	164 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220	165 let
adamc@403	166 val e = (EVar (["Basis"], "sql_binary", Infer), loc)
adamc@403	167 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220	168 val e = (EApp (e, sqlexp1), loc)
adamc@220	169 in
adamc@220	170 (EApp (e, sqlexp2), loc)
adamc@220	171 end
adamc@220	172
adamc@220	173 fun sql_unary (oper, sqlexp, loc) =
adamc@220	174 let
adamc@403	175 val e = (EVar (["Basis"], "sql_unary", Infer), loc)
adamc@403	176 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220	177 in
adamc@220	178 (EApp (e, sqlexp), loc)
adamc@219	179 end
adamc@219	180
adam@1427	181 fun sql_relop (oper, all, sqlexp1, sqlexp2, loc) =
adamc@229	182 let
adamc@403	183 val e = (EVar (["Basis"], "sql_relop", Infer), loc)
adamc@403	184 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adam@1427	185 val e = (EApp (e, (EVar (["Basis"], if all then "True" else "False", Infer), loc)), loc)
adamc@229	186 val e = (EApp (e, sqlexp1), loc)
adamc@229	187 in
adamc@229	188 (EApp (e, sqlexp2), loc)
adamc@229	189 end
adamc@229	190
adamc@441	191 fun sql_nfunc (oper, loc) =
adamc@441	192 let
adamc@441	193 val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
adamc@441	194 in
adamc@441	195 (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@441	196 end
adamc@441	197
adamc@389	198 fun native_unop (oper, e1, loc) =
adamc@389	199 let
adamc@403	200 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@389	201 in
adamc@389	202 (EApp (e, e1), loc)
adamc@389	203 end
adamc@389	204
adamc@256	205 fun native_op (oper, e1, e2, loc) =
adamc@256	206 let
adamc@403	207 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@256	208 val e = (EApp (e, e1), loc)
adamc@256	209 in
adamc@256	210 (EApp (e, e2), loc)
adamc@256	211 end
adamc@256	212
adamc@310	213 val inDml = ref false
adamc@310	214
adamc@325	215 fun tagIn bt =
adamc@325	216 case bt of
adamc@325	217 "table" => "tabl"
adamc@325	218 \| _ => bt
adamc@325	219
adamc@709	220 datatype prop_kind = Delete \| Update
adamc@709	221
adam@1751	222 datatype attr = Class of exp \| DynClass of exp \| Style of exp \| DynStyle of exp \| Normal of con * exp
adamc@721	223
adamc@822	224 fun patType loc (p : pat) =
adamc@822	225 case #1 p of
adamc@822	226 PAnnot (_, t) => t
adamc@822	227 \| _ => (CWild (KType, loc), loc)
adamc@822	228
adamc@1265	229 fun tnamesOf (e, _) =
adamc@1265	230 case e of
adamc@1265	231 EApp (e1, e2) => tnamesOf e1 @ tnamesOf e2
adamc@1265	232 \| ECApp (e, c as (CName _, _)) =>
adamc@1265	233 let
adamc@1265	234 fun isFt (e, _) =
adamc@1265	235 case e of
adamc@1265	236 EVar (["Basis"], "sql_from_table", _) => true
adamc@1265	237 \| EVar ([], "sql_from_table", _) => true
adamc@1265	238 \| ECApp (e, _) => isFt e
adamc@1265	239 \| EApp (e, _) => isFt e
adamc@1265	240 \| EDisjointApp e => isFt e
adamc@1265	241 \| _ => false
adamc@1265	242 in
adamc@1265	243 (if isFt e then [c] else []) @ tnamesOf e
adamc@1265	244 end
adamc@1265	245 \| ECApp (e, _) => tnamesOf e
adamc@1265	246 \| EDisjointApp e => tnamesOf e
adamc@1265	247 \| _ => []
adamc@1265	248
adam@1761	249 fun classOut (s, pos) =
adam@1761	250 let
adam@1761	251 val s = case s of
adam@1761	252 "table" => "tabl"
adam@1761	253 \| _ => s
adam@1761	254 in
adam@1761	255 (EVar ([], String.translate (fn #"-" => "_" \| ch => str ch) s, Infer), pos)
adam@1761	256 end
adam@1749	257
adam@1749	258 fun parseClass s pos =
adam@1749	259 case String.tokens Char.isSpace s of
adam@1749	260 [] => (EVar (["Basis"], "null", Infer), pos)
adam@1749	261 \| class :: classes =>
adam@1749	262 foldl (fn (s, e) => (EApp ((EApp ((EVar (["Basis"], "classes", Infer), pos), e), pos), classOut (s, pos)), pos))
adam@1749	263 (classOut (class, pos)) classes
adam@1749	264
adam@1750	265 fun parseValue s pos =
adam@1750	266 if String.isPrefix "url(" s andalso String.isSuffix ")" s then
adam@1750	267 let
adam@1750	268 val s = String.substring (s, 4, size s - 5)
adam@1750	269
adam@1750	270 val s = if size s >= 2
adam@1750	271 andalso ((String.isPrefix "\"" s andalso String.isSuffix "\"" s)
adam@1750	272 orelse (String.isPrefix "'" s andalso String.isSuffix "'" s)) then
adam@1750	273 String.substring (s, 1, size s - 2)
adam@1750	274 else
adam@1750	275 s
adam@1750	276 in
adam@1750	277 (EApp ((EVar (["Basis"], "css_url", Infer), pos),
adam@1750	278 (EApp ((EVar (["Basis"], "bless", Infer), pos),
adam@1750	279 (EPrim (Prim.String s), pos)), pos)), pos)
adam@1750	280 end
adam@1750	281 else
adam@1750	282 (EApp ((EVar (["Basis"], "atom", Infer), pos),
adam@1750	283 (EPrim (Prim.String s), pos)), pos)
adam@1750	284
adam@1750	285 fun parseProperty s pos =
adam@1750	286 let
adam@1750	287 val (befor, after) = Substring.splitl (fn ch => ch <> #":") (Substring.full s)
adam@1750	288 in
adam@1750	289 if Substring.isEmpty after then
adam@1750	290 (ErrorMsg.errorAt pos ("Invalid CSS property syntax: " ^ s);
adam@1750	291 (EPrim (Prim.String ""), pos))
adam@1750	292 else
adam@1750	293 foldl (fn (value, e) => (EApp ((EApp ((EVar (["Basis"], "value", Infer), pos), e), pos), parseValue value pos), pos))
adam@1750	294 (EApp ((EVar (["Basis"], "property", Infer), pos),
adam@1750	295 (EPrim (Prim.String (Substring.string (#2 (Substring.splitl Char.isSpace befor)))), pos)), pos)
adam@1750	296 (String.tokens Char.isSpace (Substring.string (Substring.slice (after, 1, NONE))))
adam@1750	297 end
adam@1750	298
adam@1750	299 fun parseStyle s pos =
adam@1750	300 case String.tokens (fn ch => ch = #";") s of
adam@1750	301 [] => (EVar (["Basis"], "noStyle", Infer), pos)
adam@1750	302 \| props =>
adam@1750	303 foldl (fn (s, e) => (EApp ((EApp ((EVar (["Basis"], "oneProperty", Infer), pos), e), pos), parseProperty s pos), pos))
adam@1750	304 (EVar (["Basis"], "noStyle", Infer), pos) props
adam@1750	305
adam@1777	306 fun applyWindow loc e window =
adam@1777	307 let
adam@1777	308 val (pb, ob) = getOpt (window, ((EVar (["Basis"], "sql_no_partition", Infer), dummy),
adam@1777	309 (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adam@1777	310 (CWild (KRecord (KType, dummy), dummy), dummy)),
adam@1777	311 dummy)))
adam@1778	312 val e' = (EVar (["Basis"], "sql_window_function", Infer), loc)
adam@1777	313 val e' = (EApp (e', e), loc)
adam@1777	314 val e' = (EApp (e', pb), loc)
adam@1777	315 in
adam@1777	316 (EApp (e', ob), loc)
adam@1777	317 end
adam@1777	318
adamc@1	319 %%
adamc@244	320 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1	321
adamc@1	322 %term
adamc@1	323 EOF
adamc@821	324 \| STRING of string \| INT of Int64.int \| FLOAT of Real64.real \| CHAR of char
adamc@1	325 \| SYMBOL of string \| CSYMBOL of string
adamc@1	326 \| LPAREN \| RPAREN \| LBRACK \| RBRACK \| LBRACE \| RBRACE
adam@1306	327 \| EQ \| COMMA \| COLON \| DCOLON \| DCOLONWILD \| TCOLON \| TCOLONWILD \| DOT \| HASH \| UNDER \| UNDERUNDER \| BAR
adamc@403	328 \| PLUS \| MINUS \| DIVIDE \| DOTDOTDOT \| MOD \| AT
adamc@623	329 \| CON \| LTYPE \| VAL \| REC \| AND \| FUN \| MAP \| UNIT \| KUNIT \| CLASS
adamc@156	330 \| DATATYPE \| OF
adamc@7	331 \| TYPE \| NAME
adamc@629	332 \| ARROW \| LARROW \| DARROW \| STAR \| SEMI \| KARROW \| DKARROW \| BANG
adamc@674	333 \| FN \| PLUSPLUS \| MINUSMINUS \| MINUSMINUSMINUS \| DOLLAR \| TWIDDLE \| CARET
adamc@446	334 \| LET \| IN
adam@1732	335 \| STRUCTURE \| SIGNATURE \| STRUCT \| SIG \| END \| FUNCTOR \| WHERE \| SQL \| SELECT1
adamc@754	336 \| INCLUDE \| OPEN \| CONSTRAINT \| CONSTRAINTS \| EXPORT \| TABLE \| SEQUENCE \| VIEW
adamc@1199	337 \| COOKIE \| STYLE \| TASK \| POLICY
adamc@842	338 \| CASE \| IF \| THEN \| ELSE \| ANDALSO \| ORELSE
adamc@1	339
adamc@360	340 \| XML_BEGIN of string \| XML_END \| XML_BEGIN_END of string
adamc@91	341 \| NOTAGS of string
adamc@91	342 \| BEGIN_TAG of string \| END_TAG of string
adamc@91	343
adamc@993	344 \| SELECT \| DISTINCT \| FROM \| AS \| CWHERE \| GROUP \| ORDER \| BY \| HAVING
adamc@229	345 \| UNION \| INTERSECT \| EXCEPT
adamc@232	346 \| LIMIT \| OFFSET \| ALL
adamc@220	347 \| TRUE \| FALSE \| CAND \| OR \| NOT
adam@1778	348 \| COUNT \| AVG \| SUM \| MIN \| MAX \| RANK \| PARTITION \| OVER
adam@1682	349 \| ASC \| DESC \| RANDOM
kkallio@1607	350 \| INSERT \| INTO \| VALUES \| UPDATE \| SET \| DELETE \| NULL \| IS \| COALESCE \| LIKE
adamc@441	351 \| CURRENT_TIMESTAMP
adamc@219	352 \| NE \| LT \| LE \| GT \| GE
adamc@714	353 \| CCONSTRAINT \| UNIQUE \| CHECK \| PRIMARY \| FOREIGN \| KEY \| ON \| NO \| ACTION \| RESTRICT \| CASCADE \| REFERENCES
adamc@751	354 \| JOIN \| INNER \| CROSS \| OUTER \| LEFT \| RIGHT \| FULL
kkallio@1572	355 \| CIF \| CTHEN \| CELSE
adamc@204	356
adamc@30	357 %nonterm
adamc@1	358 file of decl list
adamc@1	359 \| decls of decl list
adamc@325	360 \| decl of decl list
adamc@123	361 \| vali of string * con option * exp
adamc@123	362 \| valis of (string * con option * exp) list
adamc@242	363 \| copt of con option
adamc@1	364
adamc@191	365 \| dargs of string list
adamc@156	366 \| barOpt of unit
adamc@156	367 \| dcons of (string * con option) list
adamc@805	368 \| dtype of string * string list * (string * con option) list
adamc@805	369 \| dtypes of (string * string list * (string * con option) list) list
adamc@156	370 \| dcon of string * con option
adamc@156	371
adamc@707	372 \| pkopt of exp
adam@1722	373 \| pk of exp
adamc@707	374 \| commaOpt of unit
adamc@707	375
adamc@704	376 \| cst of exp
adamc@704	377 \| csts of exp
adamc@704	378 \| cstopt of exp
adamc@704	379
adamc@1001	380 \| ckl of (string * kind option) list
adamc@1001	381
adamc@709	382 \| pmode of prop_kind * exp
adamc@709	383 \| pkind of prop_kind
adamc@709	384 \| prule of exp
adamc@709	385 \| pmodes of (prop_kind * exp) list
adamc@709	386
adamc@30	387 \| sgn of sgn
adamc@42	388 \| sgntm of sgn
adamc@30	389 \| sgi of sgn_item
adamc@30	390 \| sgis of sgn_item list
adamc@30	391
adamc@30	392 \| str of str
adamc@30	393
adamc@1	394 \| kind of kind
adamc@207	395 \| ktuple of kind list
adamc@1	396 \| kcolon of explicitness
adamc@240	397 \| kopt of kind option
adamc@1	398
adamc@34	399 \| path of string list * string
adamc@156	400 \| cpath of string list * string
adamc@34	401 \| spath of str
adamc@59	402 \| mpath of string list
adamc@34	403
adamc@1	404 \| cexp of con
adam@1577	405 \| cexpO of con option
adamc@1	406 \| capps of con
adamc@1	407 \| cterm of con
adamc@195	408 \| ctuple of con list
adamc@207	409 \| ctuplev of con list
adamc@1	410 \| ident of con
adamc@200	411 \| idents of con list
adamc@1	412 \| rcon of (con * con) list
adamc@83	413 \| rconn of (con * con) list
adamc@1	414 \| rcone of (con * con) list
adamc@239	415 \| cargs of con * kind -> con * kind
adamc@239	416 \| cargl of con * kind -> con * kind
adamc@240	417 \| cargl2 of con * kind -> con * kind
adamc@239	418 \| carg of con * kind -> con * kind
adamc@239	419 \| cargp of con * kind -> con * kind
adamc@1	420
adamc@8	421 \| eexp of exp
adamc@8	422 \| eapps of exp
adamc@8	423 \| eterm of exp
adamc@195	424 \| etuple of exp list
adamc@12	425 \| rexp of (con * exp) list
adamc@91	426 \| xml of exp
adamc@91	427 \| xmlOne of exp
adamc@1045	428 \| xmlOpt of exp
adam@1643	429 \| tag of (string * exp) * exp option * exp option * exp
adamc@141	430 \| tagHead of string * exp
adamc@434	431 \| bind of string * con option * exp
adamc@446	432 \| edecl of edecl
adamc@446	433 \| edecls of edecl list
adamc@8	434
adamc@241	435 \| earg of exp * con -> exp * con
adamc@241	436 \| eargp of exp * con -> exp * con
adamc@822	437 \| earga of exp * con -> exp * con
adamc@241	438 \| eargs of exp * con -> exp * con
adamc@241	439 \| eargl of exp * con -> exp * con
adamc@242	440 \| eargl2 of exp * con -> exp * con
adamc@241	441
adamc@170	442 \| branch of pat * exp
adamc@170	443 \| branchs of (pat * exp) list
adamc@170	444 \| pat of pat
adamc@822	445 \| patS of pat
adamc@170	446 \| pterm of pat
adamc@174	447 \| rpat of (string * pat) list * bool
adamc@195	448 \| ptuple of pat list
adamc@170	449
adam@1751	450 \| attrs of exp option * exp option * exp option * exp option * (con * exp) list
adamc@721	451 \| attr of attr
adamc@104	452 \| attrv of exp
adamc@104	453
adamc@204	454 \| query of exp
adamc@226	455 \| query1 of exp
adamc@993	456 \| dopt of exp
adamc@748	457 \| tables of con list * exp
adamc@749	458 \| fitem of con list * exp
adamc@204	459 \| tname of con
adamc@705	460 \| tnameW of con * con
adamc@705	461 \| tnames of (con * con) * (con * con) list
adamc@705	462 \| tnames' of (con * con) * (con * con) list
adamc@204	463 \| table of con * exp
adamc@748	464 \| table' of con * exp
adamc@207	465 \| tident of con
adamc@207	466 \| fident of con
adamc@207	467 \| seli of select_item
adamc@207	468 \| selis of select_item list
adamc@207	469 \| select of select
adamc@209	470 \| sqlexp of exp
adam@1777	471 \| window of (exp * exp) option
adam@1777	472 \| pbopt of exp
adamc@209	473 \| wopt of exp
adamc@226	474 \| groupi of group_item
adamc@226	475 \| groupis of group_item list
adamc@226	476 \| gopt of group_item list option
adamc@227	477 \| hopt of exp
adamc@230	478 \| obopt of exp
adamc@268	479 \| obitem of exp * exp
adamc@230	480 \| obexps of exp
adam@1682	481 \| popt of unit
adamc@268	482 \| diropt of exp
adamc@231	483 \| lopt of exp
adamc@232	484 \| ofopt of exp
adamc@231	485 \| sqlint of exp
adamc@236	486 \| sqlagg of string
adamc@746	487 \| fname of exp
adamc@207	488
adamc@302	489 \| texp of exp
adamc@302	490 \| fields of con list
adamc@302	491 \| sqlexps of exp list
adamc@303	492 \| fsets of (con * exp) list
adamc@310	493 \| enterDml of unit
adamc@310	494 \| leaveDml of unit
adamc@302	495
adamc@204	496
adamc@1	497 %verbose (* print summary of errors *)
adamc@1	498 %pos int (* positions *)
adamc@1	499 %start file
adamc@1	500 %pure
adamc@1	501 %eop EOF
adamc@1	502 %noshift EOF
adamc@1	503
adamc@244	504 %name Urweb
adamc@1	505
adamc@623	506 %right KARROW
adamc@623	507 %nonassoc DKARROW
adamc@243	508 %right SEMI
adamc@243	509 %nonassoc LARROW
adamc@195	510 %nonassoc IF THEN ELSE
adamc@843	511 %nonassoc DARROW
adamc@842	512 %left ANDALSO
adamc@842	513 %left ORELSE
adamc@1	514 %nonassoc COLON
adam@1306	515 %nonassoc DCOLON TCOLON DCOLONWILD TCOLONWILD
adam@1427	516 %left UNION INTERSECT EXCEPT ALL
adamc@1	517 %right COMMA
adamc@751	518 %right JOIN INNER CROSS OUTER LEFT RIGHT FULL
adamc@220	519 %right OR
adamc@220	520 %right CAND
adamc@470	521 %nonassoc EQ NE LT LE GT GE IS
adamc@243	522 %right ARROW
adamc@837	523 %right CARET PLUSPLUS
adamc@837	524 %left MINUSMINUS MINUSMINUSMINUS
adamc@389	525 %left PLUS MINUS
adamc@389	526 %left STAR DIVIDE MOD
adamc@220	527 %left NOT
adamc@84	528 %nonassoc TWIDDLE
adamc@1	529 %nonassoc DOLLAR
adamc@1	530 %left DOT
adamc@221	531 %nonassoc LBRACE RBRACE
adamc@1	532
adamc@1	533 %%
adamc@1	534
adamc@1	535 file : decls (decls)
adamc@54	536 \| SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54	537 s (SIGleft, sgisright))])
adamc@1	538
adamc@1	539 decls : ([])
adamc@325	540 \| decl decls (decl @ decls)
adamc@1	541
adamc@240	542 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240	543 val loc = s (CONleft, cexpright)
adamc@240	544
adamc@240	545 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240	546 val (c, k) = cargl2 (cexp, k)
adamc@240	547 in
adamc@325	548 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240	549 end)
adam@1654	550 \| LTYPE SYMBOL cargl2 EQ cexp (let
adam@1654	551 val loc = s (LTYPEleft, cexpright)
adam@1654	552
adam@1654	553 val k = (KWild, loc)
adam@1654	554 val (c, k) = cargl2 (cexp, k)
adam@1654	555 in
adam@1654	556 [(DCon (SYMBOL, SOME k, c), loc)]
adam@1654	557 end)
adamc@805	558 \| DATATYPE dtypes ([(DDatatype dtypes, s (DATATYPEleft, dtypesright))])
adamc@191	559 \| DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191	560 (case dargs of
adamc@325	561 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191	562 \| _ => raise Fail "Arguments specified for imported datatype")
adamc@325	563 \| VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325	564 \| VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325	565 \| FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1	566
adamc@325	567 \| SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adam@1732	568 \| STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, NONE, str), s (STRUCTUREleft, strright))])
adam@1732	569 \| STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, NONE, str), s (STRUCTUREleft, strright))])
adamc@42	570 \| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adam@1732	571 ([(DStr (CSYMBOL1, NONE, NONE,
adamc@325	572 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
adamc@325	573 s (FUNCTORleft, strright))])
adamc@42	574 \| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adam@1732	575 ([(DStr (CSYMBOL1, NONE, NONE,
adamc@325	576 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
adamc@325	577 s (FUNCTORleft, strright))])
adamc@61	578 \| OPEN mpath (case mpath of
adamc@61	579 [] => raise Fail "Impossible mpath parse [1]"
adamc@325	580 \| m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325	581 \| OPEN mpath LPAREN str RPAREN (let
adamc@325	582 val loc = s (OPENleft, RPARENright)
adamc@325	583
adamc@325	584 val m = case mpath of
adamc@325	585 [] => raise Fail "Impossible mpath parse [4]"
adamc@325	586 \| m :: ms =>
adamc@325	587 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325	588 (StrVar m, loc) ms
adamc@325	589 in
adam@1732	590 [(DStr ("anon", NONE, NONE, (StrApp (m, str), loc)), loc),
adamc@325	591 (DOpen ("anon", []), loc)]
adamc@325	592 end)
adamc@88	593 \| OPEN CONSTRAINTS mpath (case mpath of
adamc@88	594 [] => raise Fail "Impossible mpath parse [3]"
adamc@325	595 \| m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325	596 \| CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325	597 \| EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@707	598 \| TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
adamc@707	599 s (TABLEleft, cstoptright))])
adamc@338	600 \| SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@754	601 \| VIEW SYMBOL EQ query ([(DView (SYMBOL, query),
adamc@754	602 s (VIEWleft, queryright))])
adamc@754	603 \| VIEW SYMBOL EQ LBRACE eexp RBRACE ([(DView (SYMBOL, eexp),
adamc@754	604 s (VIEWleft, RBRACEright))])
adamc@459	605 \| COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@720	606 \| STYLE SYMBOL ([(DStyle SYMBOL, s (STYLEleft, SYMBOLright))])
adamc@1075	607 \| TASK eapps EQ eexp ([(DTask (eapps, eexp), s (TASKleft, eexpright))])
adamc@1199	608 \| POLICY eexp ([(DPolicy eexp, s (POLICYleft, eexpright))])
adamc@30	609
adamc@805	610 dtype : SYMBOL dargs EQ barOpt dcons (SYMBOL, dargs, dcons)
adamc@805	611
adamc@805	612 dtypes : dtype ([dtype])
adamc@805	613 \| dtype AND dtypes (dtype :: dtypes)
adamc@805	614
adamc@240	615 kopt : (NONE)
adamc@240	616 \| DCOLON kind (SOME kind)
adam@1302	617 \| DCOLONWILD (SOME (KWild, s (DCOLONWILDleft, DCOLONWILDright)))
adamc@240	618
adamc@191	619 dargs : ([])
adamc@191	620 \| SYMBOL dargs (SYMBOL :: dargs)
adamc@191	621
adamc@156	622 barOpt : ()
adamc@156	623 \| BAR ()
adamc@156	624
adamc@156	625 dcons : dcon ([dcon])
adamc@156	626 \| dcon BAR dcons (dcon :: dcons)
adamc@156	627
adamc@156	628 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156	629 \| CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156	630
adamc@242	631 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242	632 val loc = s (SYMBOLleft, eexpright)
adamc@242	633 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242	634
adamc@242	635 val (e, t) = eargl2 (eexp, t)
adamc@242	636 in
adamc@242	637 (SYMBOL, SOME t, e)
adamc@242	638 end)
adamc@242	639
adamc@242	640 copt : (NONE)
adamc@242	641 \| COLON cexp (SOME cexp)
adamc@123	642
adamc@704	643 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704	644 \| csts (csts)
adamc@704	645
adamc@704	646 csts : CCONSTRAINT tname cst (let
adamc@704	647 val loc = s (CCONSTRAINTleft, cstright)
adamc@704	648
adamc@704	649 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704	650 val e = (ECApp (e, tname), loc)
adamc@704	651 in
adamc@704	652 (EApp (e, cst), loc)
adamc@704	653 end)
adamc@704	654 \| csts COMMA csts (let
adamc@704	655 val loc = s (csts1left, csts2right)
adamc@704	656
adamc@704	657 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704	658 val e = (EApp (e, csts1), loc)
adamc@704	659 in
adamc@704	660 (EApp (e, csts2), loc)
adamc@704	661 end)
adamc@704	662 \| LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704	663
adamc@704	664 cst : UNIQUE tnames (let
adamc@704	665 val loc = s (UNIQUEleft, tnamesright)
adamc@704	666
adamc@704	667 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705	668 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705	669 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@704	670 in
adamc@1093	671 e
adamc@704	672 end)
adamc@709	673
adamc@714	674 \| CHECK sqlexp (let
adamc@714	675 val loc = s (CHECKleft, sqlexpright)
adamc@714	676 in
adamc@714	677 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714	678 sqlexp), loc)
adamc@714	679 end)
adamc@714	680
adamc@709	681 \| FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709	682 (let
adamc@709	683 val loc = s (FOREIGNleft, pmodesright)
adamc@709	684
adamc@709	685 val mat = ListPair.foldrEq
adamc@709	686 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709	687 let
adamc@709	688 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709	689 val e = (ECApp (e, nm1), loc)
adamc@709	690 val e = (ECApp (e, nm2), loc)
adamc@709	691 in
adamc@709	692 (EApp (e, mat), loc)
adamc@709	693 end)
adamc@709	694 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709	695 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adam@1401	696 handle ListPair.UnequalLengths =>
adam@1401	697 (ErrorMsg.errorAt loc ("Unequal foreign key list lengths ("
adam@1401	698 ^ Int.toString (1 + length (#2 tnames))
adam@1401	699 ^ " vs. "
adam@1401	700 ^ Int.toString (1 + length (#2 tnames'))
adam@1401	701 ^ ")");
adam@1401	702 (EVar (["Basis"], "mat_nil", Infer), loc))
adamc@709	703
adamc@709	704 fun findMode mode =
adamc@709	705 let
adamc@709	706 fun findMode' pmodes =
adamc@709	707 case pmodes of
adamc@709	708 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709	709 \| (mode', rule) :: pmodes' =>
adamc@709	710 if mode' = mode then
adamc@709	711 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709	712 pmodes' then
adamc@709	713 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709	714 else
adamc@709	715 ();
adamc@709	716 rule)
adamc@709	717 else
adamc@709	718 findMode' pmodes'
adamc@709	719 in
adamc@709	720 findMode' pmodes
adamc@709	721 end
adamc@709	722
adamc@709	723 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709	724 val e = (EApp (e, mat), loc)
adamc@709	725 val e = (EApp (e, texp), loc)
adamc@709	726 in
adamc@709	727 (EApp (e, (ERecord [((CName "OnDelete", loc),
adamc@709	728 findMode Delete),
adamc@709	729 ((CName "OnUpdate", loc),
adamc@709	730 findMode Update)], loc)), loc)
adamc@709	731 end)
adamc@709	732
adamc@704	733 \| LBRACE eexp RBRACE (eexp)
adamc@704	734
adamc@704	735 tnameW : tname (let
adamc@704	736 val loc = s (tnameleft, tnameright)
adamc@704	737 in
adamc@704	738 (tname, (CWild (KType, loc), loc))
adamc@704	739 end)
adamc@704	740
adamc@705	741 tnames : tnameW (tnameW, [])
adamc@705	742 \| LPAREN tnames' RPAREN (tnames')
adamc@704	743
adamc@705	744 tnames': tnameW (tnameW, [])
adamc@705	745 \| tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704	746
adamc@709	747 pmode : ON pkind prule (pkind, prule)
adamc@709	748
adamc@709	749 pkind : DELETE (Delete)
adamc@709	750 \| UPDATE (Update)
adamc@709	751
adamc@709	752 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709	753 \| RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709	754 \| CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709	755 \| SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709	756
adamc@709	757 pmodes : ([])
adamc@709	758 \| pmode pmodes (pmode :: pmodes)
adamc@709	759
adamc@707	760 commaOpt: ()
adamc@707	761 \| COMMA ()
adamc@707	762
adam@1722	763 pk : LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adam@1722	764 \| tnames (let
adam@1722	765 val loc = s (tnamesleft, tnamesright)
adamc@707	766
adamc@1093	767 val e = (EVar (["Basis"], "primary_key", TypesOnly), loc)
adamc@707	768 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707	769 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707	770 val e = (EDisjointApp e, loc)
adamc@707	771 val e = (EDisjointApp e, loc)
adamc@707	772
adamc@707	773 val witness = map (fn (c, _) =>
adamc@707	774 (c, (EWild, loc)))
adamc@707	775 (#1 tnames :: #2 tnames)
adamc@707	776 val witness = (ERecord witness, loc)
adamc@707	777 in
adamc@707	778 (EApp (e, witness), loc)
adamc@707	779 end)
adamc@707	780
adam@1722	781 pkopt : (EVar (["Basis"], "no_primary_key", Infer), dummy)
adam@1722	782 \| PRIMARY KEY pk (pk)
adam@1722	783
adamc@123	784 valis : vali ([vali])
adamc@123	785 \| vali AND valis (vali :: valis)
adamc@123	786
adamc@42	787 sgn : sgntm (sgntm)
adamc@40	788 \| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40	789 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30	790
adamc@42	791 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59	792 \| mpath (case mpath of
adamc@61	793 [] => raise Fail "Impossible mpath parse [2]"
adamc@59	794 \| [x] => SgnVar x
adamc@59	795 \| m :: ms => SgnProj (m,
adamc@59	796 List.take (ms, length ms - 1),
adamc@59	797 List.nth (ms, length ms - 1)),
adamc@59	798 s (mpathleft, mpathright))
adamc@42	799 \| sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42	800 \| sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
adamc@42	801 \| LPAREN sgn RPAREN (sgn)
adamc@42	802
adam@1577	803 cexpO : (NONE)
adam@1577	804 \| EQ cexp (SOME cexp)
adam@1577	805
adam@1577	806 sgi : LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706	807 s (LTYPEleft, SYMBOLright)))
adam@1577	808 \| CON SYMBOL cargl2 kopt cexpO (let
adam@1577	809 val loc = s (CONleft, cexpOright)
adam@1574	810
adam@1574	811 val k = Option.getOpt (kopt, (KWild, loc))
adam@1574	812 in
adam@1577	813 case cexpO of
adam@1577	814 NONE => (SgiConAbs (SYMBOL, k), loc)
adam@1577	815 \| SOME cexp =>
adam@1577	816 let
adam@1577	817 val (c, k) = cargl2 (cexp, k)
adam@1577	818 in
adam@1577	819 (SgiCon (SYMBOL, SOME k, c), loc)
adam@1577	820 end
adam@1574	821 end)
adam@1654	822 \| LTYPE SYMBOL cargl2 cexpO (let
adam@1654	823 val loc = s (LTYPEleft, cexpOright)
adam@1654	824
adam@1654	825 val k = (KWild, loc)
adam@1654	826 in
adam@1654	827 case cexpO of
adam@1654	828 NONE => (SgiConAbs (SYMBOL, k), loc)
adam@1654	829 \| SOME cexp =>
adam@1654	830 let
adam@1654	831 val (c, k) = cargl2 (cexp, k)
adam@1654	832 in
adam@1654	833 (SgiCon (SYMBOL, SOME k, c), loc)
adam@1654	834 end
adam@1654	835 end)
adamc@805	836 \| DATATYPE dtypes ((SgiDatatype dtypes, s (DATATYPEleft, dtypesright)))
adamc@191	837 \| DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191	838 (case dargs of
adamc@191	839 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191	840 \| _ => raise Fail "Arguments specified for imported datatype")
adamc@706	841 \| VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30	842
adamc@706	843 \| STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706	844 \| SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42	845 \| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706	846 ((SgiStr (CSYMBOL1,
adamc@706	847 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706	848 s (FUNCTORleft, sgn2right)))
adamc@706	849 \| INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706	850 \| CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707	851 \| TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707	852 val loc = s (TABLEleft, ctermright)
adamc@707	853 in
adamc@707	854 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707	855 end)
adamc@460	856 \| SEQUENCE SYMBOL (let
adamc@460	857 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460	858 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460	859 in
adamc@460	860 (SgiVal (SYMBOL, t), loc)
adamc@460	861 end)
adamc@754	862 \| VIEW SYMBOL COLON cexp (let
adamc@754	863 val loc = s (VIEWleft, cexpright)
adamc@754	864 val t = (CVar (["Basis"], "sql_view"), loc)
adamc@1076	865 val t = (CApp (t, entable cexp), loc)
adamc@754	866 in
adamc@754	867 (SgiVal (SYMBOL, t), loc)
adamc@754	868 end)
adamc@563	869 \| CLASS SYMBOL (let
adamc@563	870 val loc = s (CLASSleft, SYMBOLright)
adamc@711	871 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563	872 in
adamc@711	873 (SgiClassAbs (SYMBOL, k), loc)
adamc@563	874 end)
adamc@563	875 \| CLASS SYMBOL DCOLON kind (let
adamc@563	876 val loc = s (CLASSleft, kindright)
adamc@563	877 in
adamc@563	878 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563	879 end)
adamc@563	880 \| CLASS SYMBOL EQ cexp (let
adamc@563	881 val loc = s (CLASSleft, cexpright)
adamc@563	882 in
adamc@563	883 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563	884 end)
adamc@563	885 \| CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563	886 val loc = s (CLASSleft, cexpright)
adamc@563	887 in
adamc@563	888 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563	889 end)
adamc@211	890 \| CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211	891 val loc = s (CLASSleft, cexpright)
adamc@563	892 val k = (KWild, loc)
adamc@211	893 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211	894 in
adamc@563	895 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563	896 end)
adamc@563	897 \| CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563	898 val loc = s (CLASSleft, cexpright)
adamc@563	899 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563	900 in
adamc@563	901 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211	902 end)
adamc@460	903 \| COOKIE SYMBOL COLON cexp (let
adamc@460	904 val loc = s (COOKIEleft, cexpright)
adamc@460	905 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460	906 entable cexp), loc)
adamc@460	907 in
adamc@460	908 (SgiVal (SYMBOL, t), loc)
adamc@460	909 end)
adamc@720	910 \| STYLE SYMBOL (let
adamc@720	911 val loc = s (STYLEleft, SYMBOLright)
adamc@720	912 val t = (CVar (["Basis"], "css_class"), loc)
adamc@718	913 in
adamc@718	914 (SgiVal (SYMBOL, t), loc)
adamc@718	915 end)
adamc@30	916
adamc@30	917 sgis : ([])
adamc@30	918 \| sgi sgis (sgi :: sgis)
adamc@30	919
adamc@30	920 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34	921 \| spath (spath)
adamc@40	922 \| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40	923 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40	924 \| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40	925 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44	926 \| spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34	927
adamc@34	928 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34	929 \| spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30	930
adamc@1	931 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1	932 \| NAME (KName, s (NAMEleft, NAMEright))
adamc@1	933 \| LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1	934 \| kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1	935 \| LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82	936 \| KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18	937 \| UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207	938 \| LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623	939 \| CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623	940 \| CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207	941
adamc@207	942 ktuple : kind STAR kind ([kind1, kind2])
adamc@207	943 \| kind STAR ktuple (kind :: ktuple)
adamc@1	944
adamc@1	945 capps : cterm (cterm)
adamc@1	946 \| capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1	947
adamc@1	948 cexp : capps (capps)
adamc@1	949 \| cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15	950 \| SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623	951 \| CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1	952
adamc@1	953 \| cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1	954
adamc@239	955 \| FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628	956 \| LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623	957 \| CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1	958
adamc@8	959 \| LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6	960
adamc@18	961 \| UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195	962 \| ctuple (let
adamc@195	963 val loc = s (ctupleleft, ctupleright)
adamc@195	964 in
adamc@195	965 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195	966 ((CName (Int.toString (i + 1)), loc),
adamc@195	967 c)) ctuple),
adamc@195	968 loc), loc)
adamc@195	969 end)
adamc@18	970
adamc@1	971 kcolon : DCOLON (Explicit)
adamc@1	972 \| TCOLON (Implicit)
adamc@1	973
adamc@239	974 cargs : carg (carg)
adamc@239	975 \| cargl (cargl)
adamc@239	976
adamc@239	977 cargl : cargp cargp (cargp1 o cargp2)
adamc@239	978 \| cargp cargl (cargp o cargl)
adamc@239	979
adamc@240	980 cargl2 : (fn x => x)
adamc@240	981 \| cargp cargl2 (cargp o cargl2)
adamc@240	982
adamc@241	983 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239	984 let
adamc@239	985 val loc = s (SYMBOLleft, kindright)
adamc@239	986 in
adamc@239	987 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239	988 (KArrow (kind, k), loc))
adamc@239	989 end)
adamc@329	990 \| UNDER DCOLON kind (fn (c, k) =>
adamc@329	991 let
adamc@329	992 val loc = s (UNDERleft, kindright)
adamc@329	993 in
adamc@329	994 ((CAbs ("_", SOME kind, c), loc),
adamc@329	995 (KArrow (kind, k), loc))
adamc@329	996 end)
adam@1302	997 \| SYMBOL DCOLONWILD (fn (c, k) =>
adam@1302	998 let
adam@1302	999 val loc = s (SYMBOLleft, DCOLONWILDright)
adam@1302	1000 val kind = (KWild, loc)
adam@1302	1001 in
adam@1302	1002 ((CAbs (SYMBOL, NONE, c), loc),
adam@1302	1003 (KArrow (kind, k), loc))
adam@1302	1004 end)
adam@1302	1005 \| UNDER DCOLONWILD (fn (c, k) =>
adam@1302	1006 let
adam@1302	1007 val loc = s (UNDERleft, DCOLONWILDright)
adam@1302	1008 val kind = (KWild, loc)
adam@1302	1009 in
adam@1302	1010 ((CAbs ("_", NONE, c), loc),
adam@1302	1011 (KArrow (kind, k), loc))
adam@1302	1012 end)
adamc@241	1013 \| cargp (cargp)
adamc@239	1014
adamc@239	1015 cargp : SYMBOL (fn (c, k) =>
adamc@239	1016 let
adamc@239	1017 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239	1018 in
adamc@239	1019 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239	1020 (KArrow ((KWild, loc), k), loc))
adamc@239	1021 end)
adamc@329	1022 \| UNDER (fn (c, k) =>
adamc@329	1023 let
adamc@329	1024 val loc = s (UNDERleft, UNDERright)
adamc@329	1025 in
adamc@329	1026 ((CAbs ("_", NONE, c), loc),
adamc@329	1027 (KArrow ((KWild, loc), k), loc))
adamc@329	1028 end)
adamc@1001	1029 \| LPAREN SYMBOL kopt ckl RPAREN (fn (c, k) =>
adamc@239	1030 let
adamc@239	1031 val loc = s (LPARENleft, RPARENright)
adamc@1001	1032 val ckl = (SYMBOL, kopt) :: ckl
adamc@1001	1033 val ckl = map (fn (x, ko) => (x, case ko of
adamc@1001	1034 NONE => (KWild, loc)
adamc@1001	1035 \| SOME k => k)) ckl
adamc@239	1036 in
adamc@1001	1037 case ckl of
adamc@1001	1038 [(x, k')] => ((CAbs (SYMBOL, SOME k', c), loc),
adamc@1001	1039 (KArrow (k', k), loc))
adamc@1001	1040 \| _ =>
adamc@1001	1041 let
adamc@1001	1042 val k' = (KTuple (map #2 ckl), loc)
adamc@1001	1043
adamc@1001	1044 val c = foldr (fn ((x, k), c) =>
adamc@1001	1045 (CAbs (x, SOME k, c), loc)) c ckl
adamc@1001	1046 val v = (CVar ([], "$x"), loc)
adamc@1001	1047 val c = ListUtil.foldli (fn (i, _, c) =>
adamc@1001	1048 (CApp (c, (CProj (v, i + 1), loc)),
adamc@1001	1049 loc)) c ckl
adamc@1001	1050 in
adamc@1001	1051 ((CAbs ("$x", SOME k', c), loc),
adamc@1001	1052 (KArrow (k', k), loc))
adamc@1001	1053 end
adamc@239	1054 end)
adamc@628	1055
adamc@1001	1056 ckl : ([])
adamc@1001	1057 \| COMMA SYMBOL kopt ckl ((SYMBOL, kopt) :: ckl)
adamc@239	1058
adamc@34	1059 path : SYMBOL ([], SYMBOL)
adamc@34	1060 \| CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34	1061
adamc@156	1062 cpath : CSYMBOL ([], CSYMBOL)
adamc@156	1063 \| CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156	1064
adamc@59	1065 mpath : CSYMBOL ([CSYMBOL])
adamc@59	1066 \| CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59	1067
adamc@1	1068 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1	1069 \| LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83	1070 \| LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1	1071 \| LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1	1072 s (LBRACEleft, RBRACEright))
adamc@1	1073 \| DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1	1074 \| HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195	1075 \| HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1	1076
adamc@34	1077 \| path (CVar path, s (pathleft, pathright))
adamc@207	1078 \| path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207	1079 s (pathleft, INTright))
adamc@18	1080 \| UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621	1081 \| MAP (CMap, s (MAPleft, MAPright))
adamc@82	1082 \| UNIT (CUnit, s (UNITleft, UNITright))
adamc@207	1083 \| LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207	1084
adamc@207	1085 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207	1086 \| cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1	1087
adamc@196	1088 ctuple : capps STAR capps ([capps1, capps2])
adamc@196	1089 \| capps STAR ctuple (capps :: ctuple)
adamc@195	1090
adamc@1	1091 rcon : ([])
adamc@1	1092 \| ident EQ cexp ([(ident, cexp)])
adamc@1	1093 \| ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1	1094
adamc@83	1095 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83	1096 \| ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83	1097
adamc@1	1098 rcone : ([])
adamc@1	1099 \| ident COLON cexp ([(ident, cexp)])
adamc@1	1100 \| ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1	1101
adamc@1	1102 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195	1103 \| INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200	1104 \| SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8	1105
adamc@8	1106 eapps : eterm (eterm)
adamc@8	1107 \| eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8	1108 \| eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629	1109 \| eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8	1110
adam@1751	1111 eexp : eapps (case #1 eapps of
adam@1751	1112 EApp ((EVar ([], "CLASS", _), _), (EPrim (Prim.String s), loc)) => parseClass s loc
adam@1751	1113 \| EApp ((EVar ([], "STYLE", _), _), (EPrim (Prim.String s), loc)) => parseStyle s loc
adam@1751	1114 \| _ => eapps)
adamc@241	1115 \| FN eargs DARROW eexp (let
adamc@93	1116 val loc = s (FNleft, eexpright)
adamc@93	1117 in
adamc@241	1118 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93	1119 end)
adamc@623	1120 \| CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196	1121 \| eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149	1122 \| eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493	1123 \| eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170	1124 \| CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190	1125 \| IF eexp THEN eexp ELSE eexp (let
adamc@190	1126 val loc = s (IFleft, eexp3right)
adamc@190	1127 in
adamc@190	1128 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190	1129 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190	1130 end)
adamc@434	1131 \| bind SEMI eexp (let
adamc@434	1132 val loc = s (bindleft, eexpright)
adamc@434	1133 val (v, to, e1) = bind
adamc@403	1134 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434	1135 val e = (EApp (e, e1), loc)
adamc@243	1136 in
adamc@434	1137 (EApp (e, (EAbs (v, to, eexp), loc)), loc)
adamc@299	1138 end)
adamc@256	1139 \| eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257	1140 \| eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389	1141 \| MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389	1142 \| eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389	1143 \| eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@1116	1144 \| eapps STAR eexp (native_op ("times", eapps, eexp, s (eappsleft, eexpright)))
adamc@964	1145 \| eexp DIVIDE eexp (native_op ("divide", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389	1146 \| eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1147
adamc@391	1148 \| eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1149 \| eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1150 \| eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1151 \| eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1152
adamc@842	1153 \| eexp ANDALSO eexp (let
adamc@842	1154 val loc = s (eexp1left, eexp2right)
adamc@842	1155 in
adamc@842	1156 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842	1157 eexp2),
adamc@842	1158 ((PCon (["Basis"], "False", NONE), loc),
adamc@842	1159 (EVar (["Basis"], "False", Infer), loc))]), loc)
adamc@842	1160 end)
adamc@842	1161 \| eexp ORELSE eexp (let
adamc@842	1162 val loc = s (eexp1left, eexp2right)
adamc@842	1163 in
adamc@842	1164 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842	1165 (EVar (["Basis"], "True", Infer), loc)),
adamc@842	1166 ((PCon (["Basis"], "False", NONE), loc),
adamc@842	1167 eexp2)]), loc)
adamc@842	1168 end)
adamc@842	1169
adamc@445	1170 \| eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8	1171
adamc@674	1172 \| eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674	1173
adamc@794	1174 \| eapps DCOLON eexp (let
adamc@794	1175 val loc = s (eappsleft, eexpright)
adamc@762	1176 in
adamc@762	1177 (EApp ((EVar (["Basis"], "Cons", Infer), loc),
adamc@762	1178 (ERecord [((CName "1", loc),
adamc@794	1179 eapps),
adamc@762	1180 ((CName "2", loc),
adamc@762	1181 eexp)], loc)), loc)
adamc@762	1182 end)
adamc@762	1183
adamc@434	1184 bind : SYMBOL LARROW eapps (SYMBOL, NONE, eapps)
adamc@434	1185 \| eapps (let
adamc@434	1186 val loc = s (eappsleft, eappsright)
adamc@434	1187 in
adamc@434	1188 ("_", SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434	1189 end)
adamc@434	1190
adamc@241	1191 eargs : earg (earg)
adamc@241	1192 \| eargl (eargl)
adamc@241	1193
adamc@241	1194 eargl : eargp eargp (eargp1 o eargp2)
adamc@241	1195 \| eargp eargl (eargp o eargl)
adamc@241	1196
adamc@242	1197 eargl2 : (fn x => x)
adamc@242	1198 \| eargp eargl2 (eargp o eargl2)
adamc@242	1199
adamc@822	1200 earg : patS (fn (e, t) =>
adamc@241	1201 let
adamc@822	1202 val loc = s (patSleft, patSright)
adamc@822	1203 val pt = patType loc patS
adamc@822	1204
adamc@822	1205 val e' = case #1 patS of
adamc@822	1206 PVar x => (EAbs (x, NONE, e), loc)
adamc@823	1207 \| PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822	1208 \| _ => (EAbs ("$x", SOME pt,
adamc@822	1209 (ECase ((EVar ([], "$x", DontInfer),
adamc@822	1210 loc),
adamc@822	1211 [(patS, e)]), loc)), loc)
adamc@241	1212 in
adamc@822	1213 (e', (TFun (pt, t), loc))
adamc@241	1214 end)
adamc@822	1215 \| earga (earga)
adamc@822	1216
adamc@822	1217 eargp : pterm (fn (e, t) =>
adamc@241	1218 let
adamc@822	1219 val loc = s (ptermleft, ptermright)
adamc@822	1220 val pt = patType loc pterm
adamc@822	1221
adamc@822	1222 val e' = case #1 pterm of
adamc@822	1223 PVar x => (EAbs (x, NONE, e), loc)
adamc@823	1224 \| PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822	1225 \| _ => (EAbs ("$x", SOME pt,
adamc@822	1226 (ECase ((EVar ([], "$x", DontInfer),
adamc@822	1227 loc),
adamc@822	1228 [(pterm, e)]), loc)), loc)
adamc@241	1229 in
adamc@822	1230 (e', (TFun (pt, t), loc))
adamc@241	1231 end)
adamc@822	1232 \| earga (earga)
adamc@241	1233
adamc@822	1234 earga : LBRACK SYMBOL RBRACK (fn (e, t) =>
adamc@241	1235 let
adamc@822	1236 val loc = s (LBRACKleft, RBRACKright)
adamc@822	1237 val kind = (KWild, loc)
adamc@822	1238 in
adamc@822	1239 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adamc@822	1240 (TCFun (Implicit, SYMBOL, kind, t), loc))
adamc@822	1241 end)
adam@1302	1242 \| LBRACK SYMBOL DCOLONWILD RBRACK (fn (e, t) =>
adam@1302	1243 let
adam@1302	1244 val loc = s (LBRACKleft, RBRACKright)
adam@1302	1245 val kind = (KWild, loc)
adam@1302	1246 in
adam@1302	1247 ((ECAbs (Explicit, SYMBOL, kind, e), loc),
adam@1302	1248 (TCFun (Explicit, SYMBOL, kind, t), loc))
adam@1302	1249 end)
adamc@822	1250 \| LBRACK SYMBOL kcolon kind RBRACK(fn (e, t) =>
adamc@822	1251 let
adamc@822	1252 val loc = s (LBRACKleft, RBRACKright)
adamc@241	1253 in
adamc@241	1254 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241	1255 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241	1256 end)
adam@1306	1257 \| LBRACK SYMBOL TCOLONWILD RBRACK (fn (e, t) =>
adam@1306	1258 let
adam@1306	1259 val loc = s (LBRACKleft, RBRACKright)
adam@1306	1260 val kind = (KWild, loc)
adam@1306	1261 in
adam@1306	1262 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adam@1306	1263 (TCFun (Implicit, SYMBOL, kind, t), loc))
adam@1306	1264 end)
adamc@478	1265 \| LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356	1266 let
adamc@356	1267 val loc = s (LBRACKleft, RBRACKright)
adamc@356	1268 in
adamc@478	1269 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628	1270 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356	1271 end)
adamc@822	1272 \| LBRACK CSYMBOL RBRACK (fn (e, t) =>
adamc@623	1273 let
adamc@623	1274 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623	1275 in
adamc@623	1276 ((EKAbs (CSYMBOL, e), loc),
adamc@623	1277 (TKFun (CSYMBOL, t), loc))
adamc@623	1278 end)
adamc@241	1279
adamc@8	1280 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195	1281 \| LPAREN etuple RPAREN (let
adamc@195	1282 val loc = s (LPARENleft, RPARENright)
adamc@195	1283 in
adamc@195	1284 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195	1285 ((CName (Int.toString (i + 1)), loc),
adamc@195	1286 e)) etuple), loc)
adamc@195	1287 end)
adamc@8	1288
adamc@403	1289 \| path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403	1290 \| cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403	1291 \| AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403	1292 \| AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403	1293 \| AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403	1294 \| AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12	1295 \| LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adamc@110	1296 \| UNIT (ERecord [], s (UNITleft, UNITright))
adamc@12	1297
adamc@14	1298 \| INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14	1299 \| FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14	1300 \| STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821	1301 \| CHAR (EPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@14	1302
adamc@200	1303 \| path DOT idents (let
adamc@200	1304 val loc = s (pathleft, identsright)
adamc@200	1305 in
adamc@200	1306 foldl (fn (ident, e) =>
adamc@200	1307 (EField (e, ident), loc))
adamc@403	1308 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403	1309 end)
adamc@910	1310 \| LPAREN eexp RPAREN DOT idents (let
adamc@910	1311 val loc = s (LPARENleft, identsright)
adamc@910	1312 in
adamc@910	1313 foldl (fn (ident, e) =>
adamc@910	1314 (EField (e, ident), loc))
adamc@910	1315 eexp idents
adamc@910	1316 end)
adamc@403	1317 \| AT path DOT idents (let
adamc@403	1318 val loc = s (ATleft, identsright)
adamc@403	1319 in
adamc@403	1320 foldl (fn (ident, e) =>
adamc@403	1321 (EField (e, ident), loc))
adamc@403	1322 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403	1323 end)
adamc@403	1324 \| AT AT path DOT idents (let
adamc@403	1325 val loc = s (AT1left, identsright)
adamc@403	1326 in
adamc@403	1327 foldl (fn (ident, e) =>
adamc@403	1328 (EField (e, ident), loc))
adamc@403	1329 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200	1330 end)
adamc@71	1331
adamc@360	1332 \| XML_BEGIN xml XML_END (let
adamc@360	1333 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360	1334 in
adamc@360	1335 if XML_BEGIN = "xml" then
adamc@360	1336 ()
adamc@360	1337 else
adamc@360	1338 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360	1339 xml
adamc@360	1340 end)
adamc@360	1341 \| XML_BEGIN XML_END (let
adamc@360	1342 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360	1343 in
adamc@360	1344 if XML_BEGIN = "xml" then
adamc@360	1345 ()
adamc@360	1346 else
adamc@360	1347 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403	1348 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360	1349 (EPrim (Prim.String ""), loc)),
adamc@360	1350 loc)
adamc@360	1351 end)
adamc@360	1352 \| XML_BEGIN_END (let
adamc@360	1353 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360	1354 in
adamc@360	1355 if XML_BEGIN_END = "xml" then
adamc@360	1356 ()
adamc@360	1357 else
adamc@360	1358 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403	1359 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360	1360 (EPrim (Prim.String ""), loc)),
adamc@360	1361 loc)
adamc@360	1362 end)
adamc@302	1363
adamc@204	1364 \| LPAREN query RPAREN (query)
adamc@300	1365 \| LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339	1366 \| LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@1070	1367 \| LPAREN FROM tables RPAREN (#2 tables)
adamc@1071	1368 \| LPAREN SELECT1 query1 RPAREN (query1)
adamc@302	1369
adamc@302	1370 \| LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302	1371 (let
adamc@302	1372 val loc = s (LPAREN1left, RPAREN3right)
adamc@302	1373
adamc@403	1374 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302	1375 val e = (EApp (e, texp), loc)
adamc@302	1376 in
adamc@302	1377 if length fields <> length sqlexps then
adam@1360	1378 ErrorMsg.errorAt loc ("Length mismatch in INSERT field specification ("
adam@1360	1379 ^ Int.toString (length fields)
adam@1360	1380 ^ " vs. " ^ Int.toString (length sqlexps) ^ ")")
adamc@302	1381 else
adamc@302	1382 ();
adamc@302	1383 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps)), loc)), loc)
adamc@302	1384 end)
adamc@310	1385 \| LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303	1386 (let
adamc@303	1387 val loc = s (LPARENleft, RPARENright)
adamc@303	1388
adamc@403	1389 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342	1390 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adamc@306	1391 val e = (EApp (e, (ERecord fsets, loc)), loc)
adamc@305	1392 val e = (EApp (e, texp), loc)
adamc@303	1393 in
adamc@303	1394 (EApp (e, sqlexp), loc)
adamc@303	1395 end)
adamc@310	1396 \| LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304	1397 (let
adamc@304	1398 val loc = s (LPARENleft, RPARENright)
adamc@304	1399
adamc@403	1400 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304	1401 val e = (EApp (e, texp), loc)
adamc@304	1402 in
adamc@304	1403 (EApp (e, sqlexp), loc)
adamc@304	1404 end)
adamc@302	1405
adamc@211	1406 \| UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91	1407
adamc@446	1408 \| LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446	1409
adamc@762	1410 \| LBRACK RBRACK (EVar (["Basis"], "Nil", Infer), s (LBRACKleft, RBRACKright))
adamc@762	1411
adamc@446	1412 edecls : ([])
adamc@446	1413 \| edecl edecls (edecl :: edecls)
adamc@446	1414
adamc@825	1415 edecl : VAL pat EQ eexp ((EDVal (pat, eexp), s (VALleft, eexpright)))
adamc@446	1416 \| VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446	1417 \| FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446	1418
adamc@310	1419 enterDml : (inDml := true)
adamc@310	1420 leaveDml : (inDml := false)
adamc@310	1421
adamc@403	1422 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302	1423 \| LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302	1424
adamc@302	1425 fields : fident ([fident])
adamc@302	1426 \| fident COMMA fields (fident :: fields)
adamc@302	1427
adamc@302	1428 sqlexps: sqlexp ([sqlexp])
adamc@302	1429 \| sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302	1430
adamc@303	1431 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303	1432 \| fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303	1433
adamc@200	1434 idents : ident ([ident])
adamc@200	1435 \| ident DOT idents (ident :: idents)
adamc@200	1436
adamc@195	1437 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195	1438 \| eexp COMMA etuple (eexp :: etuple)
adamc@195	1439
adamc@170	1440 branch : pat DARROW eexp (pat, eexp)
adamc@170	1441
adamc@170	1442 branchs: ([])
adamc@170	1443 \| BAR branch branchs (branch :: branchs)
adamc@170	1444
adamc@822	1445 patS : pterm (pterm)
adamc@822	1446 \| pterm DCOLON patS (let
adamc@822	1447 val loc = s (ptermleft, patSright)
adamc@762	1448 in
adamc@762	1449 (PCon (["Basis"], "Cons", SOME (PRecord ([("1", pterm),
adamc@822	1450 ("2", patS)], false), loc)),
adamc@762	1451 loc)
adamc@762	1452 end)
adamc@822	1453 \| patS COLON cexp (PAnnot (patS, cexp), s (patSleft, cexpright))
adamc@822	1454
adamc@822	1455 pat : patS (patS)
adamc@822	1456 \| cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170	1457
adamc@170	1458 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170	1459 \| cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170	1460 \| UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173	1461 \| INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adam@1420	1462 \| MINUS INT (PPrim (Prim.Int (~INT)), s (MINUSleft, INTright))
adamc@173	1463 \| STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821	1464 \| CHAR (PPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@170	1465 \| LPAREN pat RPAREN (pat)
adamc@174	1466 \| LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174	1467 \| UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174	1468 \| LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195	1469 \| LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195	1470 false),
adamc@195	1471 s (LPARENleft, RPARENright))
adamc@762	1472 \| LBRACK RBRACK (PCon (["Basis"], "Nil", NONE), s (LBRACKleft, RBRACKright))
adamc@174	1473
adamc@175	1474 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243	1475 \| INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174	1476 \| DOTDOTDOT ([], true)
adamc@175	1477 \| CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243	1478 \| INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170	1479
adamc@195	1480 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195	1481 \| pat COMMA ptuple (pat :: ptuple)
adamc@195	1482
adamc@12	1483 rexp : ([])
adamc@12	1484 \| ident EQ eexp ([(ident, eexp)])
adamc@12	1485 \| ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
adamc@91	1486
adamc@141	1487 xml : xmlOne xml (let
adamc@141	1488 val pos = s (xmlOneleft, xmlright)
adamc@141	1489 in
adamc@720	1490 (EApp ((EApp (
adamc@720	1491 (EVar (["Basis"], "join", Infer), pos),
adamc@720	1492 xmlOne), pos),
adamc@720	1493 xml), pos)
adamc@141	1494 end)
adamc@141	1495 \| xmlOne (xmlOne)
adamc@91	1496
adamc@1045	1497 xmlOpt : xml (xml)
adamc@1045	1498 \| (EApp ((EVar (["Basis"], "cdata", Infer), dummy),
adamc@1045	1499 (EPrim (Prim.String ""), dummy)),
adamc@1045	1500 dummy)
adamc@1045	1501
adamc@403	1502 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141	1503 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141	1504 s (NOTAGSleft, NOTAGSright))
adamc@141	1505 \| tag DIVIDE GT (let
adamc@141	1506 val pos = s (tagleft, GTright)
adamc@710	1507
adamc@710	1508 val cdata =
adamc@756	1509 if #1 (#1 tag) = "submit" orelse #1 (#1 tag) = "dyn" then
adamc@710	1510 let
adamc@710	1511 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710	1512 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710	1513 in
adamc@710	1514 (ECApp (e, (CRecord [], pos)), pos)
adamc@710	1515 end
adamc@710	1516 else
adamc@710	1517 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710	1518
adamc@710	1519 val cdata = (EApp (cdata,
adamc@710	1520 (EPrim (Prim.String ""), pos)),
adamc@710	1521 pos)
adamc@141	1522 in
adam@1643	1523 (EApp (#4 tag, cdata), pos)
adamc@141	1524 end)
adamc@141	1525
adamc@1045	1526 \| tag GT xmlOpt END_TAG (let
adam@1563	1527 fun tagOut s =
adam@1563	1528 case s of
adam@1563	1529 "tabl" => "table"
adam@1563	1530 \| _ => s
adam@1563	1531
adamc@141	1532 val pos = s (tagleft, GTright)
adamc@325	1533 val et = tagIn END_TAG
adamc@141	1534 in
adamc@756	1535 if #1 (#1 tag) = et then
adamc@361	1536 if et = "form" then
adam@1412	1537 let
adam@1412	1538 val e = (EVar (["Basis"], "form", Infer), pos)
adam@1412	1539 val e = (EApp (e, case #2 tag of
adam@1412	1540 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1412	1541 \| SOME c => (EApp ((EVar (["Basis"], "Some", Infer), pos), c), pos)), pos)
adam@1412	1542 in
adam@1651	1543 case #3 tag of
adam@1651	1544 NONE => ()
adam@1651	1545 \| SOME _ => ErrorMsg.errorAt pos "<form> does not support 'dynClass' attribute";
adam@1412	1546 (EApp (e, xmlOpt), pos)
adam@1412	1547 end
adamc@1093	1548 else if et = "subform" orelse et = "subforms" then
adamc@1093	1549 (EApp (#2 (#1 tag),
adamc@1045	1550 xmlOpt), pos)
adamc@758	1551 else if et = "entry" then
adamc@758	1552 (EApp ((EVar (["Basis"], "entry", Infer), pos),
adamc@1045	1553 xmlOpt), pos)
adamc@141	1554 else
adam@1643	1555 (EApp (#4 tag, xmlOpt), pos)
adamc@141	1556 else
adamc@325	1557 (if ErrorMsg.anyErrors () then
adamc@325	1558 ()
adamc@325	1559 else
adamc@1189	1560 ErrorMsg.errorAt pos ("Begin tag <"
adam@1563	1561 ^ tagOut (#1 (#1 tag))
adamc@1189	1562 ^ "> and end tag </"
adam@1563	1563 ^ tagOut et
adamc@1189	1564 ^ "> don't match.");
adamc@623	1565 (EWild, pos))
adamc@141	1566 end)
adamc@141	1567 \| LBRACE eexp RBRACE (eexp)
adamc@391	1568 \| LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391	1569 val loc = s (LBRACEleft, RBRACEright)
adamc@403	1570 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391	1571 in
adamc@391	1572 (EApp (e, eexp), loc)
adamc@391	1573 end)
adamc@92	1574
adamc@141	1575 tag : tagHead attrs (let
adamc@141	1576 val pos = s (tagHeadleft, attrsright)
adamc@721	1577
adamc@721	1578 val e = (EVar (["Basis"], "tag", Infer), pos)
adamc@721	1579 val eo = case #1 attrs of
adam@1749	1580 NONE => (EVar (["Basis"], "null", Infer), pos)
adam@1749	1581 \| SOME (EPrim (Prim.String s), pos) => parseClass s pos
adam@1749	1582 \| SOME e => e
adamc@721	1583 val e = (EApp (e, eo), pos)
adam@1643	1584 val eo = case #2 attrs of
adam@1643	1585 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1643	1586 \| SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adam@1643	1587 e), pos)
adam@1643	1588 val e = (EApp (e, eo), pos)
adam@1750	1589 val eo = case #3 attrs of
adam@1750	1590 NONE => (EVar (["Basis"], "noStyle", Infer), pos)
adam@1750	1591 \| SOME (EPrim (Prim.String s), pos) => parseStyle s pos
adam@1750	1592 \| SOME e => e
adam@1750	1593 val e = (EApp (e, eo), pos)
adam@1751	1594 val eo = case #4 attrs of
adam@1751	1595 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1751	1596 \| SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adam@1751	1597 e), pos)
adam@1751	1598 val e = (EApp (e, eo), pos)
adam@1751	1599 val e = (EApp (e, (ERecord (#5 attrs), pos)), pos)
adamc@721	1600 val e = (EApp (e, (EApp (#2 tagHead,
adamc@721	1601 (ERecord [], pos)), pos)), pos)
adamc@141	1602 in
adam@1643	1603 (tagHead, #1 attrs, #2 attrs, e)
adamc@141	1604 end)
adamc@141	1605
adamc@141	1606 tagHead: BEGIN_TAG (let
adamc@325	1607 val bt = tagIn BEGIN_TAG
adamc@141	1608 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141	1609 in
adamc@325	1610 (bt,
adamc@473	1611 (EVar (["Basis"], bt, Infer), pos))
adamc@141	1612 end)
adamc@141	1613 \| tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92	1614
adam@1751	1615 attrs : (NONE, NONE, NONE, NONE, [])
adamc@721	1616 \| attr attrs (let
adamc@721	1617 val loc = s (attrleft, attrsright)
adamc@721	1618 in
adamc@721	1619 case attr of
adamc@721	1620 Class e =>
adamc@721	1621 (case #1 attrs of
adamc@721	1622 NONE => ()
adamc@721	1623 \| SOME _ => ErrorMsg.errorAt loc "Multiple classes specified for tag";
adam@1751	1624 (SOME e, #2 attrs, #3 attrs, #4 attrs, #5 attrs))
adam@1643	1625 \| DynClass e =>
adam@1643	1626 (case #2 attrs of
adam@1643	1627 NONE => ()
adam@1643	1628 \| SOME _ => ErrorMsg.errorAt loc "Multiple dynamic classes specified for tag";
adam@1751	1629 (#1 attrs, SOME e, #3 attrs, #4 attrs, #5 attrs))
adam@1750	1630 \| Style e =>
adam@1750	1631 (case #3 attrs of
adam@1750	1632 NONE => ()
adam@1750	1633 \| SOME _ => ErrorMsg.errorAt loc "Multiple styles specified for tag";
adam@1751	1634 (#1 attrs, #2 attrs, SOME e, #4 attrs, #5 attrs))
adam@1751	1635 \| DynStyle e =>
adam@1751	1636 (case #4 attrs of
adam@1751	1637 NONE => ()
adam@1751	1638 \| SOME _ => ErrorMsg.errorAt loc "Multiple dynamic classes specified for tag";
adam@1751	1639 (#1 attrs, #2 attrs, #3 attrs, SOME e, #5 attrs))
adamc@721	1640 \| Normal xe =>
adam@1751	1641 (#1 attrs, #2 attrs, #3 attrs, #4 attrs, xe :: #5 attrs)
adamc@721	1642 end)
adamc@104	1643
adam@1643	1644 attr : SYMBOL EQ attrv (case SYMBOL of
adam@1643	1645 "class" => Class attrv
adam@1643	1646 \| "dynClass" => DynClass attrv
adam@1750	1647 \| "style" => Style attrv
adam@1751	1648 \| "dynStyle" => DynStyle attrv
adam@1643	1649 \| _ =>
adamc@724	1650 let
adamc@724	1651 val sym =
adamc@724	1652 case SYMBOL of
adamc@724	1653 "type" => "Typ"
adamc@724	1654 \| x => capitalize x
adamc@724	1655 in
adamc@724	1656 Normal ((CName sym, s (SYMBOLleft, SYMBOLright)),
adamc@724	1657 if (sym = "Href" orelse sym = "Src")
adamc@724	1658 andalso (case #1 attrv of
adamc@724	1659 EPrim _ => true
adamc@724	1660 \| _ => false) then
adamc@724	1661 let
adamc@724	1662 val loc = s (attrvleft, attrvright)
adamc@724	1663 in
adamc@724	1664 (EApp ((EVar (["Basis"], "bless", Infer), loc),
adamc@724	1665 attrv), loc)
adamc@724	1666 end
adamc@724	1667 else
adamc@724	1668 attrv)
adamc@724	1669 end)
adamc@204	1670
adamc@104	1671 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104	1672 \| FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104	1673 \| STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110	1674 \| LBRACE eexp RBRACE (eexp)
adamc@226	1675
adamc@232	1676 query : query1 obopt lopt ofopt (let
adamc@229	1677 val loc = s (query1left, query1right)
adamc@230	1678
adamc@230	1679 val re = (ERecord [((CName "Rows", loc),
adamc@230	1680 query1),
adamc@230	1681 ((CName "OrderBy", loc),
adamc@231	1682 obopt),
adamc@231	1683 ((CName "Limit", loc),
adamc@232	1684 lopt),
adamc@232	1685 ((CName "Offset", loc),
adamc@232	1686 ofopt)], loc)
adamc@229	1687 in
adamc@403	1688 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229	1689 end)
adamc@993	1690
adamc@993	1691 dopt : (EVar (["Basis"], "False", Infer), dummy)
adamc@993	1692 \| DISTINCT (EVar (["Basis"], "True", Infer),
adamc@993	1693 s (DISTINCTleft, DISTINCTright))
adamc@993	1694
adamc@993	1695 query1 : SELECT dopt select FROM tables wopt gopt hopt
adamc@209	1696 (let
adamc@204	1697 val loc = s (SELECTleft, tablesright)
adamc@207	1698
adamc@1070	1699 val (empties, sel, exps) =
adamc@207	1700 case select of
adamc@1070	1701 Star => ([],
adamc@1070	1702 map (fn nm =>
adamc@233	1703 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233	1704 loc),
adamc@233	1705 (CRecord [], loc)],
adamc@748	1706 loc))) (#1 tables),
adamc@233	1707 [])
adamc@207	1708 \| Items sis =>
adamc@207	1709 let
adam@1627	1710 val tabs = map (fn nm => (nm, Unknown)) (#1 tables)
adamc@1194	1711 val (_, tabs, exps) = foldl (amend_select loc)
adamc@1194	1712 (1, tabs, []) sis
adam@1627	1713 val empties = List.mapPartial (fn (nm, c) =>
adam@1627	1714 case c of
adam@1627	1715 Unknown => SOME nm
adam@1627	1716 \| Selective (CRecord [], _) => SOME nm
adam@1627	1717 \| _ => NONE) tabs
adamc@207	1718 in
adamc@1070	1719 (empties,
adamc@1070	1720 map (fn (nm, c) => (nm,
adam@1627	1721 case c of
adam@1627	1722 Everything =>
adam@1627	1723 (CTuple [(CWild (KRecord (KType, loc), loc), loc),
adam@1627	1724 (CRecord [], loc)], loc)
adam@1627	1725 \| _ =>
adam@1627	1726 let
adam@1627	1727 val c = case c of
adam@1627	1728 Selective c => c
adam@1627	1729 \| _ => (CRecord [], loc)
adam@1627	1730 in
adam@1627	1731 (CTuple [c,
adam@1627	1732 (CWild (KRecord (KType, loc), loc),
adam@1627	1733 loc)], loc)
adam@1627	1734 end)) tabs,
adamc@233	1735 exps)
adamc@207	1736 end
adamc@207	1737
adam@1778	1738 val exps = map (fn (c, e) => (c, (EApp ((EVar (["Basis"], "sql_window", Infer), loc), e), loc))) exps
adam@1778	1739
adamc@207	1740 val sel = (CRecord sel, loc)
adamc@207	1741
adamc@226	1742 val grp = case gopt of
adamc@403	1743 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403	1744 Infer), loc),
adamc@226	1745 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226	1746 loc), loc)), loc)
adamc@226	1747 \| SOME gis =>
adamc@226	1748 let
adamc@748	1749 val tabs = map (fn nm =>
adamc@748	1750 (nm, (CRecord [], loc))) (#1 tables)
adamc@226	1751 val tabs = foldl (amend_group loc) tabs gis
adamc@226	1752
adamc@226	1753 val tabs = map (fn (nm, c) =>
adamc@226	1754 (nm,
adamc@226	1755 (CTuple [c,
adamc@226	1756 (CWild (KRecord (KType, loc),
adamc@226	1757 loc),
adamc@226	1758 loc)], loc))) tabs
adamc@226	1759 in
adamc@403	1760 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226	1761 (CRecord tabs, loc)), loc)
adamc@226	1762 end
adamc@226	1763
adamc@403	1764 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@1070	1765 val e = (ECApp (e, (CRecord (map (fn nm => (nm, (CUnit, loc))) empties),
adamc@1070	1766 loc)), loc)
adamc@993	1767 val re = (ERecord [((CName "Distinct", loc),
adamc@993	1768 dopt),
adamc@993	1769 ((CName "From", loc),
adamc@748	1770 #2 tables),
adamc@209	1771 ((CName "Where", loc),
adamc@223	1772 wopt),
adamc@224	1773 ((CName "GroupBy", loc),
adamc@226	1774 grp),
adamc@224	1775 ((CName "Having", loc),
adamc@224	1776 hopt),
adamc@223	1777 ((CName "SelectFields", loc),
adamc@403	1778 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@233	1779 sel), loc)),
adamc@233	1780 ((CName "SelectExps", loc),
adamc@233	1781 (ERecord exps, loc))], loc)
adamc@223	1782
adamc@209	1783 val e = (EApp (e, re), loc)
adamc@204	1784 in
adamc@207	1785 e
adamc@204	1786 end)
adam@1427	1787 \| query1 UNION query1 (sql_relop ("union", false, query11, query12, s (query11left, query12right)))
adam@1427	1788 \| query1 INTERSECT query1 (sql_relop ("intersect", false, query11, query12, s (query11left, query12right)))
adam@1427	1789 \| query1 EXCEPT query1 (sql_relop ("except", false, query11, query12, s (query11left, query12right)))
adam@1427	1790 \| query1 UNION ALL query1 (sql_relop ("union", true, query11, query12, s (query11left, query12right)))
adam@1427	1791 \| query1 INTERSECT ALL query1 (sql_relop ("intersect", true, query11, query12, s (query11left, query12right)))
adam@1427	1792 \| query1 EXCEPT ALL query1 (sql_relop ("except", true, query11, query12, s (query11left, query12right)))
adamc@1070	1793 \| LBRACE LBRACE LBRACE eexp RBRACE RBRACE RBRACE (eexp)
adamc@204	1794
adamc@749	1795 tables : fitem (fitem)
adamc@749	1796 \| fitem COMMA tables (let
adamc@749	1797 val loc = s (fitemleft, tablesright)
adamc@748	1798
adamc@748	1799 val e = (EVar (["Basis"], "sql_from_comma", Infer), loc)
adamc@749	1800 val e = (EApp (e, #2 fitem), loc)
adamc@748	1801 in
adamc@749	1802 (#1 fitem @ #1 tables,
adamc@748	1803 (EApp (e, #2 tables), loc))
adamc@748	1804 end)
adamc@204	1805
adamc@749	1806 fitem : table' ([#1 table'], #2 table')
adamc@1265	1807 \| LBRACE LBRACE eexp RBRACE RBRACE (tnamesOf eexp, eexp)
adamc@749	1808 \| fitem JOIN fitem ON sqlexp (let
adamc@749	1809 val loc = s (fitem1left, sqlexpright)
adamc@749	1810
adamc@749	1811 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749	1812 val e = (EApp (e, #2 fitem1), loc)
adamc@749	1813 val e = (EApp (e, #2 fitem2), loc)
adamc@749	1814 in
adamc@749	1815 (#1 fitem1 @ #1 fitem2,
adamc@749	1816 (EApp (e, sqlexp), loc))
adamc@749	1817 end)
adamc@749	1818 \| fitem INNER JOIN fitem ON sqlexp (let
adamc@749	1819 val loc = s (fitem1left, sqlexpright)
adamc@749	1820
adamc@749	1821 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749	1822 val e = (EApp (e, #2 fitem1), loc)
adamc@749	1823 val e = (EApp (e, #2 fitem2), loc)
adamc@749	1824 in
adamc@749	1825 (#1 fitem1 @ #1 fitem2,
adamc@749	1826 (EApp (e, sqlexp), loc))
adamc@749	1827 end)
adamc@749	1828 \| fitem CROSS JOIN fitem (let
adamc@749	1829 val loc = s (fitem1left, fitem2right)
adamc@749	1830
adamc@749	1831 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749	1832 val e = (EApp (e, #2 fitem1), loc)
adamc@749	1833 val e = (EApp (e, #2 fitem2), loc)
adamc@749	1834 val tru = sql_inject (EVar (["Basis"], "True", Infer), loc)
adamc@749	1835 in
adamc@749	1836 (#1 fitem1 @ #1 fitem2,
adamc@749	1837 (EApp (e, tru), loc))
adamc@749	1838 end)
adamc@750	1839 \| fitem LEFT JOIN fitem ON sqlexp (let
adamc@750	1840 val loc = s (fitem1left, sqlexpright)
adamc@750	1841
adamc@750	1842 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@750	1843 val e = (EApp (e, #2 fitem1), loc)
adamc@750	1844 val e = (EApp (e, #2 fitem2), loc)
adamc@750	1845 in
adamc@750	1846 (#1 fitem1 @ #1 fitem2,
adamc@750	1847 (EApp (e, sqlexp), loc))
adamc@750	1848 end)
adamc@751	1849 \| fitem LEFT OUTER JOIN fitem ON sqlexp (let
adamc@751	1850 val loc = s (fitem1left, sqlexpright)
adamc@751	1851
adamc@751	1852 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@751	1853 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1854 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1855 in
adamc@751	1856 (#1 fitem1 @ #1 fitem2,
adamc@751	1857 (EApp (e, sqlexp), loc))
adamc@751	1858 end)
adamc@751	1859 \| fitem RIGHT JOIN fitem ON sqlexp (let
adamc@751	1860 val loc = s (fitem1left, sqlexpright)
adamc@751	1861
adamc@751	1862 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751	1863 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1864 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1865 in
adamc@751	1866 (#1 fitem1 @ #1 fitem2,
adamc@751	1867 (EApp (e, sqlexp), loc))
adamc@751	1868 end)
adamc@751	1869 \| fitem RIGHT OUTER JOIN fitem ON sqlexp (let
adamc@751	1870 val loc = s (fitem1left, sqlexpright)
adamc@751	1871
adamc@751	1872 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751	1873 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1874 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1875 in
adamc@751	1876 (#1 fitem1 @ #1 fitem2,
adamc@751	1877 (EApp (e, sqlexp), loc))
adamc@751	1878 end)
adamc@751	1879 \| fitem FULL JOIN fitem ON sqlexp (let
adamc@751	1880 val loc = s (fitem1left, sqlexpright)
adamc@751	1881
adamc@751	1882 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751	1883 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1884 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1885 in
adamc@751	1886 (#1 fitem1 @ #1 fitem2,
adamc@751	1887 (EApp (e, sqlexp), loc))
adamc@751	1888 end)
adamc@751	1889 \| fitem FULL OUTER JOIN fitem ON sqlexp (let
adamc@751	1890 val loc = s (fitem1left, sqlexpright)
adamc@751	1891
adamc@751	1892 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751	1893 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1894 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1895 in
adamc@751	1896 (#1 fitem1 @ #1 fitem2,
adamc@751	1897 (EApp (e, sqlexp), loc))
adamc@751	1898 end)
adamc@1192	1899 \| LPAREN query RPAREN AS tname (let
adamc@1192	1900 val loc = s (LPARENleft, RPARENright)
adamc@1192	1901
adamc@1192	1902 val e = (EVar (["Basis"], "sql_from_query", Infer), loc)
adamc@1192	1903 val e = (ECApp (e, tname), loc)
adamc@1192	1904 in
adamc@1192	1905 ([tname], (EApp (e, query), loc))
adamc@1192	1906 end)
adamc@749	1907
adamc@204	1908 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204	1909 \| LBRACE cexp RBRACE (cexp)
adamc@204	1910
adamc@243	1911 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403	1912 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403	1913 \| SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221	1914 \| LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207	1915
adamc@748	1916 table' : table (let
adamc@748	1917 val loc = s (tableleft, tableright)
adamc@748	1918 val e = (EVar (["Basis"], "sql_from_table", Infer), loc)
adamc@748	1919 val e = (ECApp (e, #1 table), loc)
adamc@748	1920 in
adamc@748	1921 (#1 table, (EApp (e, #2 table), loc))
adamc@748	1922 end)
adamc@748	1923
adamc@243	1924 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207	1925 \| CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221	1926 \| LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207	1927
adamc@207	1928 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207	1929 \| LBRACE cexp RBRACE (cexp)
adamc@207	1930
adamc@207	1931 seli : tident DOT fident (Field (tident, fident))
adamc@1194	1932 \| sqlexp (Exp (NONE, sqlexp))
adamc@1194	1933 \| sqlexp AS fident (Exp (SOME fident, sqlexp))
adamc@341	1934 \| tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adam@1627	1935 \| tident DOT STAR (StarFields tident)
adamc@207	1936
adamc@207	1937 selis : seli ([seli])
adamc@207	1938 \| seli COMMA selis (seli :: selis)
adamc@207	1939
adamc@207	1940 select : STAR (Star)
adamc@207	1941 \| selis (Items selis)
adamc@209	1942
adamc@403	1943 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209	1944 s (TRUEleft, TRUEright)))
adamc@403	1945 \| FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209	1946 s (FALSEleft, FALSEright)))
adamc@209	1947
adamc@222	1948 \| INT (sql_inject (EPrim (Prim.Int INT),
adamc@222	1949 s (INTleft, INTright)))
adamc@222	1950 \| FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222	1951 s (FLOATleft, FLOATright)))
adamc@229	1952 \| STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229	1953 s (STRINGleft, STRINGright)))
adamc@441	1954 \| CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441	1955 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222	1956
adamc@221	1957 \| tident DOT fident (let
adamc@221	1958 val loc = s (tidentleft, fidentright)
adamc@403	1959 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221	1960 val e = (ECApp (e, tident), loc)
adamc@221	1961 in
adamc@221	1962 (ECApp (e, fident), loc)
adamc@221	1963 end)
adamc@234	1964 \| CSYMBOL (let
adamc@234	1965 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310	1966 in
adamc@310	1967 if !inDml then
adamc@310	1968 let
adamc@403	1969 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310	1970 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310	1971 in
adamc@310	1972 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310	1973 end
adamc@310	1974 else
adamc@310	1975 let
adamc@403	1976 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310	1977 in
adamc@310	1978 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310	1979 end
adamc@310	1980 end)
adamc@221	1981
adamc@471	1982 \| LBRACE eexp RBRACE (eexp)
adamc@470	1983
adamc@559	1984 \| sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1985 \| sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1986 \| sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1987 \| sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1988 \| sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1989 \| sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1990
adamc@559	1991 \| sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1992 \| sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1993 \| sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1994 \| sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1995 \| sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219	1996
adamc@220	1997 \| sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220	1998 \| sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	1999
kkallio@1607	2000 \| sqlexp LIKE sqlexp (sql_binary ("like", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
kkallio@1607	2001
adamc@220	2002 \| NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559	2003 \| MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220	2004
adamc@470	2005 \| sqlexp IS NULL (let
adamc@470	2006 val loc = s (sqlexpleft, NULLright)
adamc@470	2007 in
adamc@470	2008 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470	2009 sqlexp), loc)
adamc@470	2010 end)
adamc@470	2011
kkallio@1572	2012 \| CIF sqlexp CTHEN sqlexp CELSE sqlexp (let
kkallio@1572	2013 val loc = s (CIFleft, sqlexp3right)
kkallio@1572	2014 val e = (EVar (["Basis"], "sql_if_then_else", Infer), loc)
kkallio@1572	2015 in
kkallio@1572	2016 (EApp ((EApp ((EApp (e, sqlexp1), loc), sqlexp2), loc), sqlexp3), loc)
kkallio@1572	2017 end)
kkallio@1572	2018
adamc@471	2019 \| LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471	2020 s (LBRACEleft, RBRACEright)))
adamc@220	2021 \| LPAREN sqlexp RPAREN (sqlexp)
adamc@210	2022
adamc@467	2023 \| NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467	2024 s (NULLleft, NULLright))))
adamc@467	2025
adam@1778	2026 \| COUNT LPAREN STAR RPAREN window(let
adam@1778	2027 val loc = s (COUNTleft, windowright)
adam@1778	2028 in
adam@1778	2029 case window of
adam@1778	2030 NONE => (EVar (["Basis"], "sql_count", Infer), loc)
adam@1778	2031 \| SOME _ => applyWindow loc (EVar (["Basis"], "sql_window_count", Infer), loc) window
adam@1778	2032 end)
adam@1778	2033 \| COUNT LPAREN sqlexp RPAREN window(let
adam@1778	2034 val loc = s (COUNTleft, RPARENright)
adam@1778	2035 val e = (EVar (["Basis"], "sql_count_col", Infer), loc)
adam@1778	2036 in
adam@1778	2037 case window of
adam@1778	2038 NONE =>
adam@1778	2039 let
adam@1778	2040 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adam@1778	2041 e), loc)
adam@1778	2042 in
adam@1778	2043 (EApp (e, sqlexp), loc)
adam@1778	2044 end
adam@1778	2045 \| SOME _ =>
adam@1778	2046 let
adam@1778	2047 val e = (EVar (["Basis"], "sql_count_col", Infer), loc)
adam@1778	2048 val e = (EApp ((EVar (["Basis"], "sql_window_aggregate", Infer), loc),
adam@1778	2049 e), loc)
adam@1778	2050 in
adam@1778	2051 applyWindow loc (EApp (e, sqlexp), loc) window
adam@1778	2052 end
adam@1778	2053 end)
adam@1776	2054 \| sqlagg LPAREN sqlexp RPAREN window (let
adam@1778	2055 val loc = s (sqlaggleft, RPARENright)
adam@1778	2056
adam@1776	2057 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adam@1776	2058 in
adam@1776	2059 case window of
adam@1776	2060 NONE =>
adam@1776	2061 let
adam@1776	2062 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adam@1776	2063 e), loc)
adam@1776	2064 in
adam@1776	2065 (EApp (e, sqlexp), loc)
adam@1776	2066 end
adam@1776	2067 \| SOME _ =>
adam@1776	2068 let
adam@1776	2069 val e = (EApp ((EVar (["Basis"], "sql_window_aggregate", Infer), loc),
adam@1776	2070 e), loc)
adam@1776	2071 in
adam@1778	2072 applyWindow loc (EApp (e, sqlexp), loc) window
adam@1776	2073 end
adam@1776	2074 end)
adam@1778	2075 \| RANK UNIT window (let
adam@1778	2076 val loc = s (RANKleft, windowright)
adam@1778	2077 in
adam@1778	2078 applyWindow loc (EVar (["Basis"], "sql_rank", Infer), loc) window
adam@1778	2079 end)
adam@1602	2080 \| COALESCE LPAREN sqlexp COMMA sqlexp RPAREN
adam@1602	2081 (let
adam@1602	2082 val loc = s (COALESCEright, sqlexp2right)
adam@1602	2083 val e = (EVar (["Basis"], "sql_coalesce", Infer), loc)
adam@1602	2084 val e = (EApp (e, sqlexp1), loc)
adam@1602	2085 in
adam@1602	2086 (EApp (e, sqlexp2), loc)
adam@1602	2087 end)
adamc@746	2088 \| fname LPAREN sqlexp RPAREN (let
adamc@746	2089 val loc = s (fnameleft, RPARENright)
adamc@746	2090
adamc@746	2091 val e = (EVar (["Basis"], "sql_ufunc", Infer), loc)
adamc@746	2092 val e = (EApp (e, fname), loc)
adamc@746	2093 in
adamc@746	2094 (EApp (e, sqlexp), loc)
adamc@746	2095 end)
adamc@1191	2096 \| LPAREN query RPAREN (let
adamc@1191	2097 val loc = s (LPARENleft, RPARENright)
adamc@1191	2098
adamc@1191	2099 val e = (EVar (["Basis"], "sql_subquery", Infer), loc)
adamc@1191	2100 in
adamc@1191	2101 (EApp (e, query), loc)
adamc@1191	2102 end)
adamc@746	2103
adam@1776	2104 window : (NONE)
adam@1777	2105 \| OVER LPAREN pbopt obopt RPAREN (SOME (pbopt, obopt))
adam@1777	2106
adam@1777	2107 pbopt : ((EVar (["Basis"], "sql_no_partition", Infer), dummy))
adam@1777	2108 \| PARTITION BY sqlexp (let
adam@1777	2109 val loc = s (PARTITIONleft, sqlexpright)
adam@1777	2110
adam@1777	2111 val e = (EVar (["Basis"], "sql_partition", Infer), loc)
adam@1777	2112 in
adam@1777	2113 (EApp (e, sqlexp), loc)
adam@1777	2114 end)
adam@1776	2115
adamc@746	2116 fname : SYMBOL (EVar (["Basis"], "sql_" ^ SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@746	2117 \| LBRACE eexp RBRACE (eexp)
adamc@235	2118
adamc@403	2119 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230	2120 dummy))
adamc@209	2121 \| CWHERE sqlexp (sqlexp)
adamc@226	2122
adamc@226	2123 groupi : tident DOT fident (GField (tident, fident))
adam@1425	2124 \| tident DOT LBRACE LBRACE cexp RBRACE RBRACE (GFields (tident, cexp))
adamc@226	2125
adamc@226	2126 groupis: groupi ([groupi])
adamc@226	2127 \| groupi COMMA groupis (groupi :: groupis)
adamc@226	2128
adamc@226	2129 gopt : (NONE)
adamc@226	2130 \| GROUP BY groupis (SOME groupis)
adamc@227	2131
adamc@403	2132 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230	2133 dummy))
adamc@227	2134 \| HAVING sqlexp (sqlexp)
adamc@230	2135
adamc@403	2136 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234	2137 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230	2138 dummy)
adamc@230	2139 \| ORDER BY obexps (obexps)
adamc@230	2140
adamc@268	2141 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268	2142
adamc@268	2143 obexps : obitem (let
adamc@268	2144 val loc = s (obitemleft, obitemright)
adamc@230	2145
adamc@403	2146 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234	2147 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230	2148 loc)
adamc@403	2149 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268	2150 #1 obitem), loc)
adamc@268	2151 val e = (EApp (e, #2 obitem), loc)
adamc@230	2152 in
adamc@230	2153 (EApp (e, e'), loc)
adamc@230	2154 end)
adamc@268	2155 \| obitem COMMA obexps (let
adamc@268	2156 val loc = s (obitemleft, obexpsright)
adamc@230	2157
adamc@403	2158 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268	2159 #1 obitem), loc)
adamc@268	2160 val e = (EApp (e, #2 obitem), loc)
adamc@230	2161 in
adamc@230	2162 (EApp (e, obexps), loc)
adamc@230	2163 end)
adam@1682	2164 \| RANDOM popt (EVar (["Basis"], "sql_order_by_random", Infer), s (RANDOMleft, poptright))
adam@1682	2165
adam@1682	2166 popt : ()
adam@1682	2167 \| LPAREN RPAREN ()
adam@1684	2168 \| UNIT ()
adamc@231	2169
adamc@403	2170 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403	2171 \| ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403	2172 \| DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adam@1543	2173 \| LBRACE eexp RBRACE (eexp)
adamc@268	2174
adamc@403	2175 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403	2176 \| LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231	2177 \| LIMIT sqlint (let
adamc@231	2178 val loc = s (LIMITleft, sqlintright)
adamc@231	2179 in
adamc@403	2180 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231	2181 end)
adamc@231	2182
adamc@403	2183 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232	2184 \| OFFSET sqlint (let
adamc@232	2185 val loc = s (OFFSETleft, sqlintright)
adamc@232	2186 in
adamc@403	2187 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232	2188 end)
adamc@232	2189
adamc@231	2190 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231	2191 \| LBRACE eexp RBRACE (eexp)
adamc@236	2192
adamc@236	2193 sqlagg : AVG ("avg")
adamc@236	2194 \| SUM ("sum")
adamc@236	2195 \| MIN ("min")
adamc@236	2196 \| MAX ("max")

Mercurial > urweb

annotate src/urweb.grm @ 1820:3c56aa6a0f55