Ur/Web: src/urweb.grm annotate

annotate src/urweb.grm @ 2010:403f0cc65b9c

New lessSafeFfi

author	Adam Chlipala <adam@chlipala.net>
date	Fri, 02 May 2014 19:19:09 -0400
parents	799be3911ce3
children	afeeabdcce77

rev	line source
adam@2010	1 (* Copyright (c) 2008-2014, 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
adam@1840	38 fun makeAttr s =
adam@1840	39 case s of
adam@1840	40 "type" => "Typ"
adam@1840	41 \| "name" => "Nam"
adam@1840	42 \| _ => capitalize (String.translate (fn ch => if ch = #"-" then "_" else str ch) s)
adam@1840	43
adamc@203	44 fun entable t =
adamc@203	45 case #1 t of
adamc@203	46 TRecord c => c
adamc@203	47 \| _ => t
adamc@203	48
adamc@207	49 datatype select_item =
adamc@207	50 Field of con * con
adamc@1194	51 \| Exp of con option * exp
adamc@341	52 \| Fields of con * con
adam@1627	53 \| StarFields of con
adamc@207	54
adamc@207	55 datatype select =
adamc@207	56 Star
adamc@207	57 \| Items of select_item list
adamc@207	58
adamc@226	59 datatype group_item =
adamc@226	60 GField of con * con
adam@1425	61 \| GFields of con * con
adamc@226	62
adamc@207	63 fun eqTnames ((c1, _), (c2, _)) =
adamc@207	64 case (c1, c2) of
adamc@207	65 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
adamc@207	66 \| (CName x1, CName x2) => x1 = x2
adamc@207	67 \| _ => false
adamc@207	68
adam@1424	69 fun nameString (c, _) =
adam@1424	70 case c of
adam@1424	71 CName s => s
adam@1424	72 \| CVar (_, x) => x
adam@1424	73 \| _ => "?"
adam@1424	74
adam@1627	75 datatype tableMode =
adam@1627	76 Unknown
adam@1627	77 \| Everything
adam@1627	78 \| Selective of con
adam@1627	79
adamc@1194	80 fun amend_select loc (si, (count, tabs, exps)) =
adamc@233	81 case si of
adamc@233	82 Field (tx, fx) =>
adamc@233	83 let
adamc@233	84 val c = (CRecord ([(fx, (CWild (KType, loc), loc))]), loc)
adamc@207	85
adamc@233	86 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@233	87 if eqTnames (tx, tx') then
adam@1627	88 case c' of
adam@1627	89 Everything =>
adam@1627	90 (ErrorMsg.errorAt loc
adam@1627	91 "Mixing specific-field and '*' selection of fields from same table";
adam@1627	92 ((tx', c'), found))
adam@1627	93 \| Unknown =>
adam@1627	94 ((tx', Selective c), true)
adam@1627	95 \| Selective c' =>
adam@1627	96 ((tx', Selective (CConcat (c, c'), loc)), true)
adamc@233	97 else
adamc@233	98 ((tx', c'), found))
adamc@233	99 false tabs
adamc@233	100 in
adamc@233	101 if found then
adamc@233	102 ()
adamc@233	103 else
adam@1424	104 ErrorMsg.errorAt loc ("Select of field " ^ nameString fx ^ " from unbound table " ^ nameString tx);
adamc@233	105
adamc@1194	106 (count, tabs, exps)
adamc@233	107 end
adamc@341	108 \| Fields (tx, fs) =>
adamc@341	109 let
adamc@341	110 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@341	111 if eqTnames (tx, tx') then
adam@1627	112 case c' of
adam@1627	113 Everything =>
adam@1627	114 (ErrorMsg.errorAt loc
adam@1627	115 "Mixing specific-field and '*' selection of fields from same table";
adam@1627	116 ((tx', c'), found))
adam@1627	117 \| Selective c' =>
adam@1627	118 ((tx', Selective (CConcat (fs, c'), loc)), true)
adam@1627	119 \| Unknown =>
adam@1627	120 ((tx', Selective fs), true)
adamc@341	121 else
adamc@341	122 ((tx', c'), found))
adamc@341	123 false tabs
adamc@341	124 in
adamc@341	125 if found then
adamc@341	126 ()
adamc@341	127 else
adamc@341	128 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@341	129
adamc@1194	130 (count, tabs, exps)
adamc@341	131 end
adam@1627	132 \| StarFields tx =>
adam@1627	133 if List.exists (fn (tx', c') => eqTnames (tx, tx') andalso case c' of
adam@1627	134 Unknown => false
adam@1627	135 \| _ => true) tabs then
adam@1627	136 (ErrorMsg.errorAt loc "Selection with '*' from table already mentioned in same SELECT clause";
adam@1627	137 (count, tabs, exps))
adam@1627	138 else if List.all (fn (tx', c') => not (eqTnames (tx, tx'))) tabs then
adam@1627	139 (ErrorMsg.errorAt loc "Select of all fields from unbound table";
adam@1627	140 (count, tabs, exps))
adam@1627	141 else
adam@1627	142 (count, map (fn (tx', c') => (tx', if eqTnames (tx, tx') then Everything else c')) tabs, exps)
adamc@1194	143 \| Exp (SOME c, e) => (count, tabs, (c, e) :: exps)
adamc@1194	144 \| Exp (NONE, e) => (count+1, tabs, ((CName (Int.toString count), loc), e) :: exps)
adamc@207	145
adamc@226	146 fun amend_group loc (gi, tabs) =
adamc@226	147 let
adamc@226	148 val (tx, c) = case gi of
adamc@226	149 GField (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
adam@1425	150 \| GFields (tx, fxs) => (tx, fxs)
adamc@226	151
adamc@226	152 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
adamc@226	153 if eqTnames (tx, tx') then
adamc@226	154 ((tx', (CConcat (c, c'), loc)), true)
adamc@226	155 else
adamc@226	156 ((tx', c'), found))
adam@1425	157 false tabs
adamc@226	158 in
adamc@226	159 if found then
adamc@226	160 ()
adamc@226	161 else
adamc@226	162 ErrorMsg.errorAt loc "Select of field from unbound table";
adamc@226	163
adamc@226	164 tabs
adamc@226	165 end
adamc@226	166
adamc@403	167 fun sql_inject (v, loc) =
adamc@403	168 (EApp ((EVar (["Basis"], "sql_inject", Infer), loc), (v, loc)), loc)
adamc@209	169
adamc@220	170 fun sql_binary (oper, sqlexp1, sqlexp2, loc) =
adamc@220	171 let
adamc@403	172 val e = (EVar (["Basis"], "sql_binary", Infer), loc)
adamc@403	173 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220	174 val e = (EApp (e, sqlexp1), loc)
adamc@220	175 in
adamc@220	176 (EApp (e, sqlexp2), loc)
adamc@220	177 end
adamc@220	178
adamc@220	179 fun sql_unary (oper, sqlexp, loc) =
adamc@220	180 let
adamc@403	181 val e = (EVar (["Basis"], "sql_unary", Infer), loc)
adamc@403	182 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@220	183 in
adamc@220	184 (EApp (e, sqlexp), loc)
adamc@219	185 end
adamc@219	186
adam@1427	187 fun sql_relop (oper, all, sqlexp1, sqlexp2, loc) =
adamc@229	188 let
adamc@403	189 val e = (EVar (["Basis"], "sql_relop", Infer), loc)
adamc@403	190 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adam@1427	191 val e = (EApp (e, (EVar (["Basis"], if all then "True" else "False", Infer), loc)), loc)
adamc@229	192 val e = (EApp (e, sqlexp1), loc)
adamc@229	193 in
adamc@229	194 (EApp (e, sqlexp2), loc)
adamc@229	195 end
adamc@229	196
adamc@441	197 fun sql_nfunc (oper, loc) =
adamc@441	198 let
adamc@441	199 val e = (EVar (["Basis"], "sql_nfunc", Infer), loc)
adamc@441	200 in
adamc@441	201 (EApp (e, (EVar (["Basis"], "sql_" ^ oper, Infer), loc)), loc)
adamc@441	202 end
adamc@441	203
adamc@389	204 fun native_unop (oper, e1, loc) =
adamc@389	205 let
adamc@403	206 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@389	207 in
adamc@389	208 (EApp (e, e1), loc)
adamc@389	209 end
adamc@389	210
adamc@256	211 fun native_op (oper, e1, e2, loc) =
adamc@256	212 let
adamc@403	213 val e = (EVar (["Basis"], oper, Infer), loc)
adamc@256	214 val e = (EApp (e, e1), loc)
adamc@256	215 in
adamc@256	216 (EApp (e, e2), loc)
adamc@256	217 end
adamc@256	218
adamc@310	219 val inDml = ref false
adamc@310	220
adamc@325	221 fun tagIn bt =
adamc@325	222 case bt of
adamc@325	223 "table" => "tabl"
adamc@325	224 \| _ => bt
adamc@325	225
adamc@709	226 datatype prop_kind = Delete \| Update
adamc@709	227
adam@2008	228 datatype attr = Class of exp \| DynClass of exp \| Style of exp \| DynStyle of exp \| Normal of con * exp \| Data of string * exp
adamc@721	229
adamc@822	230 fun patType loc (p : pat) =
adamc@822	231 case #1 p of
adamc@822	232 PAnnot (_, t) => t
adamc@822	233 \| _ => (CWild (KType, loc), loc)
adamc@822	234
adamc@1265	235 fun tnamesOf (e, _) =
adamc@1265	236 case e of
adamc@1265	237 EApp (e1, e2) => tnamesOf e1 @ tnamesOf e2
adamc@1265	238 \| ECApp (e, c as (CName _, _)) =>
adamc@1265	239 let
adamc@1265	240 fun isFt (e, _) =
adamc@1265	241 case e of
adamc@1265	242 EVar (["Basis"], "sql_from_table", _) => true
adamc@1265	243 \| EVar ([], "sql_from_table", _) => true
adamc@1265	244 \| ECApp (e, _) => isFt e
adamc@1265	245 \| EApp (e, _) => isFt e
adamc@1265	246 \| EDisjointApp e => isFt e
adamc@1265	247 \| _ => false
adamc@1265	248 in
adamc@1265	249 (if isFt e then [c] else []) @ tnamesOf e
adamc@1265	250 end
adamc@1265	251 \| ECApp (e, _) => tnamesOf e
adamc@1265	252 \| EDisjointApp e => tnamesOf e
adamc@1265	253 \| _ => []
adamc@1265	254
adam@1761	255 fun classOut (s, pos) =
adam@1761	256 let
adam@1761	257 val s = case s of
adam@1761	258 "table" => "tabl"
adam@1761	259 \| _ => s
adam@1761	260 in
adam@1761	261 (EVar ([], String.translate (fn #"-" => "_" \| ch => str ch) s, Infer), pos)
adam@1761	262 end
adam@1749	263
adam@1749	264 fun parseClass s pos =
adam@1749	265 case String.tokens Char.isSpace s of
adam@1749	266 [] => (EVar (["Basis"], "null", Infer), pos)
adam@1749	267 \| class :: classes =>
adam@1749	268 foldl (fn (s, e) => (EApp ((EApp ((EVar (["Basis"], "classes", Infer), pos), e), pos), classOut (s, pos)), pos))
adam@1749	269 (classOut (class, pos)) classes
adam@1749	270
adam@1750	271 fun parseValue s pos =
adam@1750	272 if String.isPrefix "url(" s andalso String.isSuffix ")" s then
adam@1750	273 let
adam@1750	274 val s = String.substring (s, 4, size s - 5)
adam@1750	275
adam@1750	276 val s = if size s >= 2
adam@1750	277 andalso ((String.isPrefix "\"" s andalso String.isSuffix "\"" s)
adam@1750	278 orelse (String.isPrefix "'" s andalso String.isSuffix "'" s)) then
adam@1750	279 String.substring (s, 1, size s - 2)
adam@1750	280 else
adam@1750	281 s
adam@1750	282 in
adam@1750	283 (EApp ((EVar (["Basis"], "css_url", Infer), pos),
adam@1750	284 (EApp ((EVar (["Basis"], "bless", Infer), pos),
adam@1750	285 (EPrim (Prim.String s), pos)), pos)), pos)
adam@1750	286 end
adam@1750	287 else
adam@1750	288 (EApp ((EVar (["Basis"], "atom", Infer), pos),
adam@1750	289 (EPrim (Prim.String s), pos)), pos)
adam@1750	290
adam@1750	291 fun parseProperty s pos =
adam@1750	292 let
adam@1750	293 val (befor, after) = Substring.splitl (fn ch => ch <> #":") (Substring.full s)
adam@1750	294 in
adam@1750	295 if Substring.isEmpty after then
adam@1750	296 (ErrorMsg.errorAt pos ("Invalid CSS property syntax: " ^ s);
adam@1750	297 (EPrim (Prim.String ""), pos))
adam@1750	298 else
adam@1750	299 foldl (fn (value, e) => (EApp ((EApp ((EVar (["Basis"], "value", Infer), pos), e), pos), parseValue value pos), pos))
adam@1750	300 (EApp ((EVar (["Basis"], "property", Infer), pos),
adam@1750	301 (EPrim (Prim.String (Substring.string (#2 (Substring.splitl Char.isSpace befor)))), pos)), pos)
adam@1750	302 (String.tokens Char.isSpace (Substring.string (Substring.slice (after, 1, NONE))))
adam@1750	303 end
adam@1750	304
adam@1750	305 fun parseStyle s pos =
adam@1750	306 case String.tokens (fn ch => ch = #";") s of
adam@1750	307 [] => (EVar (["Basis"], "noStyle", Infer), pos)
adam@1750	308 \| props =>
adam@1750	309 foldl (fn (s, e) => (EApp ((EApp ((EVar (["Basis"], "oneProperty", Infer), pos), e), pos), parseProperty s pos), pos))
adam@1750	310 (EVar (["Basis"], "noStyle", Infer), pos) props
adam@1750	311
adam@1777	312 fun applyWindow loc e window =
adam@1777	313 let
adam@1777	314 val (pb, ob) = getOpt (window, ((EVar (["Basis"], "sql_no_partition", Infer), dummy),
adam@1777	315 (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adam@1777	316 (CWild (KRecord (KType, dummy), dummy), dummy)),
adam@1777	317 dummy)))
adam@1778	318 val e' = (EVar (["Basis"], "sql_window_function", Infer), loc)
adam@1777	319 val e' = (EApp (e', e), loc)
adam@1777	320 val e' = (EApp (e', pb), loc)
adam@1777	321 in
adam@1777	322 (EApp (e', ob), loc)
adam@1777	323 end
adam@1777	324
adam@2009	325 fun patternOut (e : exp) =
adam@2009	326 case #1 e of
adam@2009	327 EWild => (PWild, #2 e)
adam@2009	328 \| EVar ([], x, Infer) =>
adam@2009	329 if Char.isUpper (String.sub (x, 0)) then
adam@2009	330 (PCon ([], x, NONE), #2 e)
adam@2009	331 else
adam@2009	332 (PVar x, #2 e)
adam@2009	333 \| EVar (xs, x, Infer) =>
adam@2009	334 if Char.isUpper (String.sub (x, 0)) then
adam@2009	335 (PCon (xs, x, NONE), #2 e)
adam@2009	336 else
adam@2009	337 (ErrorMsg.errorAt (#2 e) "Badly capitalized constructor name in pattern";
adam@2009	338 (PWild, #2 e))
adam@2009	339 \| EPrim p => (PPrim p, #2 e)
adam@2009	340 \| EApp ((EVar (xs, x, Infer), _), e') =>
adam@2009	341 (PCon (xs, x, SOME (patternOut e')), #2 e)
adam@2009	342 \| ERecord (xes, flex) =>
adam@2009	343 (PRecord (map (fn (x, e') =>
adam@2009	344 let
adam@2009	345 val x =
adam@2009	346 case #1 x of
adam@2009	347 CName x => x
adam@2009	348 \| _ => (ErrorMsg.errorAt (#2 e) "Field name not constant in pattern";
adam@2009	349 "")
adam@2009	350 in
adam@2009	351 (x, patternOut e')
adam@2009	352 end) xes, flex), #2 e)
adam@2009	353 \| EAnnot (e', t) =>
adam@2009	354 (PAnnot (patternOut e', t), #2 e)
adam@2009	355 \| _ => (ErrorMsg.errorAt (#2 e) "This is an expression but not a pattern.";
adam@2009	356 (PWild, #2 e))
adam@2009	357
adamc@1	358 %%
adamc@244	359 %header (functor UrwebLrValsFn(structure Token : TOKEN))
adamc@1	360
adamc@1	361 %term
adamc@1	362 EOF
adamc@821	363 \| STRING of string \| INT of Int64.int \| FLOAT of Real64.real \| CHAR of char
adamc@1	364 \| SYMBOL of string \| CSYMBOL of string
adamc@1	365 \| LPAREN \| RPAREN \| LBRACK \| RBRACK \| LBRACE \| RBRACE
adam@1306	366 \| EQ \| COMMA \| COLON \| DCOLON \| DCOLONWILD \| TCOLON \| TCOLONWILD \| DOT \| HASH \| UNDER \| UNDERUNDER \| BAR
adamc@403	367 \| PLUS \| MINUS \| DIVIDE \| DOTDOTDOT \| MOD \| AT
adam@2010	368 \| CON \| LTYPE \| VAL \| REC \| AND \| FUN \| MAP \| UNIT \| KUNIT \| CLASS \| FFI
adamc@156	369 \| DATATYPE \| OF
adamc@7	370 \| TYPE \| NAME
adamc@629	371 \| ARROW \| LARROW \| DARROW \| STAR \| SEMI \| KARROW \| DKARROW \| BANG
adamc@674	372 \| FN \| PLUSPLUS \| MINUSMINUS \| MINUSMINUSMINUS \| DOLLAR \| TWIDDLE \| CARET
adamc@446	373 \| LET \| IN
adam@1732	374 \| STRUCTURE \| SIGNATURE \| STRUCT \| SIG \| END \| FUNCTOR \| WHERE \| SQL \| SELECT1
adamc@754	375 \| INCLUDE \| OPEN \| CONSTRAINT \| CONSTRAINTS \| EXPORT \| TABLE \| SEQUENCE \| VIEW
adamc@1199	376 \| COOKIE \| STYLE \| TASK \| POLICY
adamc@842	377 \| CASE \| IF \| THEN \| ELSE \| ANDALSO \| ORELSE
adamc@1	378
adamc@360	379 \| XML_BEGIN of string \| XML_END \| XML_BEGIN_END of string
adamc@91	380 \| NOTAGS of string
adamc@91	381 \| BEGIN_TAG of string \| END_TAG of string
adamc@91	382
adamc@993	383 \| SELECT \| DISTINCT \| FROM \| AS \| CWHERE \| GROUP \| ORDER \| BY \| HAVING
adamc@229	384 \| UNION \| INTERSECT \| EXCEPT
adamc@232	385 \| LIMIT \| OFFSET \| ALL
adamc@220	386 \| TRUE \| FALSE \| CAND \| OR \| NOT
adam@1778	387 \| COUNT \| AVG \| SUM \| MIN \| MAX \| RANK \| PARTITION \| OVER
adam@1682	388 \| ASC \| DESC \| RANDOM
kkallio@1607	389 \| INSERT \| INTO \| VALUES \| UPDATE \| SET \| DELETE \| NULL \| IS \| COALESCE \| LIKE
adamc@441	390 \| CURRENT_TIMESTAMP
adamc@219	391 \| NE \| LT \| LE \| GT \| GE
adamc@714	392 \| CCONSTRAINT \| UNIQUE \| CHECK \| PRIMARY \| FOREIGN \| KEY \| ON \| NO \| ACTION \| RESTRICT \| CASCADE \| REFERENCES
adamc@751	393 \| JOIN \| INNER \| CROSS \| OUTER \| LEFT \| RIGHT \| FULL
kkallio@1572	394 \| CIF \| CTHEN \| CELSE
adamc@204	395
adamc@30	396 %nonterm
adamc@1	397 file of decl list
adamc@1	398 \| decls of decl list
adamc@325	399 \| decl of decl list
adamc@123	400 \| vali of string * con option * exp
adamc@123	401 \| valis of (string * con option * exp) list
adamc@242	402 \| copt of con option
adamc@1	403
adamc@191	404 \| dargs of string list
adamc@156	405 \| barOpt of unit
adamc@156	406 \| dcons of (string * con option) list
adamc@805	407 \| dtype of string * string list * (string * con option) list
adamc@805	408 \| dtypes of (string * string list * (string * con option) list) list
adamc@156	409 \| dcon of string * con option
adamc@156	410
adamc@707	411 \| pkopt of exp
adam@1722	412 \| pk of exp
adamc@707	413 \| commaOpt of unit
adamc@707	414
adamc@704	415 \| cst of exp
adamc@704	416 \| csts of exp
adamc@704	417 \| cstopt of exp
adamc@704	418
adamc@1001	419 \| ckl of (string * kind option) list
adamc@1001	420
adamc@709	421 \| pmode of prop_kind * exp
adamc@709	422 \| pkind of prop_kind
adamc@709	423 \| prule of exp
adamc@709	424 \| pmodes of (prop_kind * exp) list
adamc@709	425
adamc@30	426 \| sgn of sgn
adamc@42	427 \| sgntm of sgn
adamc@30	428 \| sgi of sgn_item
adamc@30	429 \| sgis of sgn_item list
adamc@30	430
adamc@30	431 \| str of str
adamc@30	432
adamc@1	433 \| kind of kind
adamc@207	434 \| ktuple of kind list
adamc@1	435 \| kcolon of explicitness
adamc@240	436 \| kopt of kind option
adamc@1	437
adamc@34	438 \| path of string list * string
adamc@156	439 \| cpath of string list * string
adamc@34	440 \| spath of str
adamc@59	441 \| mpath of string list
adamc@34	442
adamc@1	443 \| cexp of con
adam@1577	444 \| cexpO of con option
adamc@1	445 \| capps of con
adamc@1	446 \| cterm of con
adamc@195	447 \| ctuple of con list
adamc@207	448 \| ctuplev of con list
adamc@1	449 \| ident of con
adamc@200	450 \| idents of con list
adamc@1	451 \| rcon of (con * con) list
adamc@83	452 \| rconn of (con * con) list
adamc@1	453 \| rcone of (con * con) list
adamc@239	454 \| cargs of con * kind -> con * kind
adamc@239	455 \| cargl of con * kind -> con * kind
adamc@240	456 \| cargl2 of con * kind -> con * kind
adamc@239	457 \| carg of con * kind -> con * kind
adamc@239	458 \| cargp of con * kind -> con * kind
adamc@1	459
adamc@8	460 \| eexp of exp
adamc@8	461 \| eapps of exp
adamc@8	462 \| eterm of exp
adamc@195	463 \| etuple of exp list
adam@2009	464 \| rexp of (con * exp) list * bool
adamc@91	465 \| xml of exp
adamc@91	466 \| xmlOne of exp
adamc@1045	467 \| xmlOpt of exp
adam@1643	468 \| tag of (string * exp) * exp option * exp option * exp
adamc@141	469 \| tagHead of string * exp
adam@2009	470 \| bind of pat * con option * exp
adamc@446	471 \| edecl of edecl
adamc@446	472 \| edecls of edecl list
adamc@8	473
adamc@241	474 \| earg of exp * con -> exp * con
adamc@241	475 \| eargp of exp * con -> exp * con
adamc@822	476 \| earga of exp * con -> exp * con
adamc@241	477 \| eargs of exp * con -> exp * con
adamc@241	478 \| eargl of exp * con -> exp * con
adamc@242	479 \| eargl2 of exp * con -> exp * con
adamc@241	480
adamc@170	481 \| branch of pat * exp
adamc@170	482 \| branchs of (pat * exp) list
adamc@170	483 \| pat of pat
adamc@822	484 \| patS of pat
adamc@170	485 \| pterm of pat
adamc@174	486 \| rpat of (string * pat) list * bool
adamc@195	487 \| ptuple of pat list
adamc@170	488
adam@2008	489 \| attrs of exp option * exp option * exp option * exp option * (string * exp) list * (con * exp) list
adamc@721	490 \| attr of attr
adamc@104	491 \| attrv of exp
adamc@104	492
adamc@204	493 \| query of exp
adamc@226	494 \| query1 of exp
adamc@993	495 \| dopt of exp
adamc@748	496 \| tables of con list * exp
adamc@749	497 \| fitem of con list * exp
adamc@204	498 \| tname of con
adamc@705	499 \| tnameW of con * con
adamc@705	500 \| tnames of (con * con) * (con * con) list
adamc@705	501 \| tnames' of (con * con) * (con * con) list
adamc@204	502 \| table of con * exp
adamc@748	503 \| table' of con * exp
adamc@207	504 \| tident of con
adamc@207	505 \| fident of con
adamc@207	506 \| seli of select_item
adamc@207	507 \| selis of select_item list
adamc@207	508 \| select of select
adamc@209	509 \| sqlexp of exp
adam@1777	510 \| window of (exp * exp) option
adam@1777	511 \| pbopt of exp
adamc@209	512 \| wopt of exp
adamc@226	513 \| groupi of group_item
adamc@226	514 \| groupis of group_item list
adamc@226	515 \| gopt of group_item list option
adamc@227	516 \| hopt of exp
adamc@230	517 \| obopt of exp
adamc@268	518 \| obitem of exp * exp
adamc@230	519 \| obexps of exp
adam@1682	520 \| popt of unit
adamc@268	521 \| diropt of exp
adamc@231	522 \| lopt of exp
adamc@232	523 \| ofopt of exp
adamc@231	524 \| sqlint of exp
adamc@236	525 \| sqlagg of string
adamc@746	526 \| fname of exp
adamc@207	527
adamc@302	528 \| texp of exp
adamc@302	529 \| fields of con list
adamc@302	530 \| sqlexps of exp list
adamc@303	531 \| fsets of (con * exp) list
adamc@310	532 \| enterDml of unit
adamc@310	533 \| leaveDml of unit
adamc@302	534
adam@2010	535 \| ffi_mode of ffi_mode
adam@2010	536 \| ffi_modes of ffi_mode list
adam@2010	537
adamc@204	538
adamc@1	539 %verbose (* print summary of errors *)
adamc@1	540 %pos int (* positions *)
adamc@1	541 %start file
adamc@1	542 %pure
adamc@1	543 %eop EOF
adamc@1	544 %noshift EOF
adamc@1	545
adamc@244	546 %name Urweb
adamc@1	547
adamc@623	548 %right KARROW
adamc@623	549 %nonassoc DKARROW
adamc@243	550 %right SEMI
adamc@243	551 %nonassoc LARROW
adamc@195	552 %nonassoc IF THEN ELSE
adamc@843	553 %nonassoc DARROW
adamc@842	554 %left ANDALSO
adamc@842	555 %left ORELSE
adamc@1	556 %nonassoc COLON
adam@1306	557 %nonassoc DCOLON TCOLON DCOLONWILD TCOLONWILD
adam@1427	558 %left UNION INTERSECT EXCEPT ALL
adamc@1	559 %right COMMA
adamc@751	560 %right JOIN INNER CROSS OUTER LEFT RIGHT FULL
adamc@220	561 %right OR
adamc@220	562 %right CAND
adamc@470	563 %nonassoc EQ NE LT LE GT GE IS
adamc@243	564 %right ARROW
adamc@837	565 %right CARET PLUSPLUS
adamc@837	566 %left MINUSMINUS MINUSMINUSMINUS
adamc@389	567 %left PLUS MINUS
adamc@389	568 %left STAR DIVIDE MOD
adamc@220	569 %left NOT
adamc@84	570 %nonassoc TWIDDLE
adamc@1	571 %nonassoc DOLLAR
adamc@1	572 %left DOT
adamc@221	573 %nonassoc LBRACE RBRACE
adamc@1	574
adamc@1	575 %%
adamc@1	576
adamc@1	577 file : decls (decls)
adamc@54	578 \| SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
adamc@54	579 s (SIGleft, sgisright))])
adamc@1	580
adamc@1	581 decls : ([])
adamc@325	582 \| decl decls (decl @ decls)
adamc@1	583
adamc@240	584 decl : CON SYMBOL cargl2 kopt EQ cexp (let
adamc@240	585 val loc = s (CONleft, cexpright)
adamc@240	586
adamc@240	587 val k = Option.getOpt (kopt, (KWild, loc))
adamc@240	588 val (c, k) = cargl2 (cexp, k)
adamc@240	589 in
adamc@325	590 [(DCon (SYMBOL, SOME k, c), loc)]
adamc@240	591 end)
adam@1654	592 \| LTYPE SYMBOL cargl2 EQ cexp (let
adam@1654	593 val loc = s (LTYPEleft, cexpright)
adam@1654	594
adam@1654	595 val k = (KWild, loc)
adam@1654	596 val (c, k) = cargl2 (cexp, k)
adam@1654	597 in
adam@1654	598 [(DCon (SYMBOL, SOME k, c), loc)]
adam@1654	599 end)
adamc@805	600 \| DATATYPE dtypes ([(DDatatype dtypes, s (DATATYPEleft, dtypesright))])
adamc@191	601 \| DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191	602 (case dargs of
adamc@325	603 [] => [(DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))]
adamc@191	604 \| _ => raise Fail "Arguments specified for imported datatype")
adamc@325	605 \| VAL vali ([(DVal vali, s (VALleft, valiright))])
adamc@325	606 \| VAL REC valis ([(DValRec valis, s (VALleft, valisright))])
adamc@325	607 \| FUN valis ([(DValRec valis, s (FUNleft, valisright))])
adamc@1	608
adamc@325	609 \| SIGNATURE CSYMBOL EQ sgn ([(DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))])
adam@1868	610 \| STRUCTURE CSYMBOL EQ str ([(DStr (CSYMBOL, NONE, NONE, str, false), s (STRUCTUREleft, strright))])
adam@1868	611 \| STRUCTURE CSYMBOL COLON sgn EQ str ([(DStr (CSYMBOL, SOME sgn, NONE, str, false), s (STRUCTUREleft, strright))])
adamc@42	612 \| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
adam@1732	613 ([(DStr (CSYMBOL1, NONE, NONE,
adam@1868	614 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright)), false),
adamc@325	615 s (FUNCTORleft, strright))])
adamc@42	616 \| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
adam@1732	617 ([(DStr (CSYMBOL1, NONE, NONE,
adam@1868	618 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright)), false),
adamc@325	619 s (FUNCTORleft, strright))])
adamc@61	620 \| OPEN mpath (case mpath of
adamc@61	621 [] => raise Fail "Impossible mpath parse [1]"
adamc@325	622 \| m :: ms => [(DOpen (m, ms), s (OPENleft, mpathright))])
adamc@325	623 \| OPEN mpath LPAREN str RPAREN (let
adamc@325	624 val loc = s (OPENleft, RPARENright)
adamc@325	625
adamc@325	626 val m = case mpath of
adamc@325	627 [] => raise Fail "Impossible mpath parse [4]"
adamc@325	628 \| m :: ms =>
adamc@325	629 foldl (fn (m, str) => (StrProj (str, m), loc))
adamc@325	630 (StrVar m, loc) ms
adamc@325	631 in
adam@1868	632 [(DStr ("anon", NONE, NONE, (StrApp (m, str), loc), false), loc),
adamc@325	633 (DOpen ("anon", []), loc)]
adamc@325	634 end)
adamc@88	635 \| OPEN CONSTRAINTS mpath (case mpath of
adamc@88	636 [] => raise Fail "Impossible mpath parse [3]"
adamc@325	637 \| m :: ms => [(DOpenConstraints (m, ms), s (OPENleft, mpathright))])
adamc@325	638 \| CONSTRAINT cterm TWIDDLE cterm ([(DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))])
adamc@325	639 \| EXPORT spath ([(DExport spath, s (EXPORTleft, spathright))])
adamc@707	640 \| TABLE SYMBOL COLON cterm pkopt commaOpt cstopt([(DTable (SYMBOL, entable cterm, pkopt, cstopt),
adamc@707	641 s (TABLEleft, cstoptright))])
adamc@338	642 \| SEQUENCE SYMBOL ([(DSequence SYMBOL, s (SEQUENCEleft, SYMBOLright))])
adamc@754	643 \| VIEW SYMBOL EQ query ([(DView (SYMBOL, query),
adamc@754	644 s (VIEWleft, queryright))])
adamc@754	645 \| VIEW SYMBOL EQ LBRACE eexp RBRACE ([(DView (SYMBOL, eexp),
adamc@754	646 s (VIEWleft, RBRACEright))])
adamc@459	647 \| COOKIE SYMBOL COLON cexp ([(DCookie (SYMBOL, cexp), s (COOKIEleft, cexpright))])
adamc@720	648 \| STYLE SYMBOL ([(DStyle SYMBOL, s (STYLEleft, SYMBOLright))])
adamc@1075	649 \| TASK eapps EQ eexp ([(DTask (eapps, eexp), s (TASKleft, eexpright))])
adamc@1199	650 \| POLICY eexp ([(DPolicy eexp, s (POLICYleft, eexpright))])
adam@2010	651 \| FFI SYMBOL ffi_modes COLON cexp([(DFfi (SYMBOL, ffi_modes, cexp), s (FFIleft, cexpright))])
adamc@30	652
adamc@805	653 dtype : SYMBOL dargs EQ barOpt dcons (SYMBOL, dargs, dcons)
adamc@805	654
adamc@805	655 dtypes : dtype ([dtype])
adamc@805	656 \| dtype AND dtypes (dtype :: dtypes)
adamc@805	657
adamc@240	658 kopt : (NONE)
adamc@240	659 \| DCOLON kind (SOME kind)
adam@1302	660 \| DCOLONWILD (SOME (KWild, s (DCOLONWILDleft, DCOLONWILDright)))
adamc@240	661
adamc@191	662 dargs : ([])
adamc@191	663 \| SYMBOL dargs (SYMBOL :: dargs)
adamc@191	664
adamc@156	665 barOpt : ()
adamc@156	666 \| BAR ()
adamc@156	667
adamc@156	668 dcons : dcon ([dcon])
adamc@156	669 \| dcon BAR dcons (dcon :: dcons)
adamc@156	670
adamc@156	671 dcon : CSYMBOL (CSYMBOL, NONE)
adamc@156	672 \| CSYMBOL OF cexp (CSYMBOL, SOME cexp)
adamc@156	673
adamc@242	674 vali : SYMBOL eargl2 copt EQ eexp (let
adamc@242	675 val loc = s (SYMBOLleft, eexpright)
adamc@242	676 val t = Option.getOpt (copt, (CWild (KType, loc), loc))
adamc@242	677
adamc@242	678 val (e, t) = eargl2 (eexp, t)
adamc@242	679 in
adamc@242	680 (SYMBOL, SOME t, e)
adamc@242	681 end)
adamc@242	682
adamc@242	683 copt : (NONE)
adamc@242	684 \| COLON cexp (SOME cexp)
adamc@123	685
adamc@704	686 cstopt : (EVar (["Basis"], "no_constraint", Infer), dummy)
adamc@704	687 \| csts (csts)
adamc@704	688
adamc@704	689 csts : CCONSTRAINT tname cst (let
adamc@704	690 val loc = s (CCONSTRAINTleft, cstright)
adamc@704	691
adamc@704	692 val e = (EVar (["Basis"], "one_constraint", Infer), loc)
adamc@704	693 val e = (ECApp (e, tname), loc)
adamc@704	694 in
adamc@704	695 (EApp (e, cst), loc)
adamc@704	696 end)
adamc@704	697 \| csts COMMA csts (let
adamc@704	698 val loc = s (csts1left, csts2right)
adamc@704	699
adamc@704	700 val e = (EVar (["Basis"], "join_constraints", Infer), loc)
adamc@704	701 val e = (EApp (e, csts1), loc)
adamc@704	702 in
adamc@704	703 (EApp (e, csts2), loc)
adamc@704	704 end)
adamc@704	705 \| LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@704	706
adamc@704	707 cst : UNIQUE tnames (let
adamc@704	708 val loc = s (UNIQUEleft, tnamesright)
adamc@704	709
adamc@704	710 val e = (EVar (["Basis"], "unique", Infer), loc)
adamc@705	711 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@705	712 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@704	713 in
adamc@1093	714 e
adamc@704	715 end)
adamc@709	716
adamc@714	717 \| CHECK sqlexp (let
adamc@714	718 val loc = s (CHECKleft, sqlexpright)
adamc@714	719 in
adamc@714	720 (EApp ((EVar (["Basis"], "check", Infer), loc),
adamc@714	721 sqlexp), loc)
adamc@714	722 end)
adamc@714	723
adamc@709	724 \| FOREIGN KEY tnames REFERENCES texp LPAREN tnames' RPAREN pmodes
adamc@709	725 (let
adamc@709	726 val loc = s (FOREIGNleft, pmodesright)
adamc@709	727
adamc@709	728 val mat = ListPair.foldrEq
adamc@709	729 (fn ((nm1, _), (nm2, _), mat) =>
adamc@709	730 let
adamc@709	731 val e = (EVar (["Basis"], "mat_cons", Infer), loc)
adamc@709	732 val e = (ECApp (e, nm1), loc)
adamc@709	733 val e = (ECApp (e, nm2), loc)
adamc@709	734 in
adamc@709	735 (EApp (e, mat), loc)
adamc@709	736 end)
adamc@709	737 (EVar (["Basis"], "mat_nil", Infer), loc)
adamc@709	738 (#1 tnames :: #2 tnames, #1 tnames' :: #2 tnames')
adam@1401	739 handle ListPair.UnequalLengths =>
adam@1401	740 (ErrorMsg.errorAt loc ("Unequal foreign key list lengths ("
adam@1401	741 ^ Int.toString (1 + length (#2 tnames))
adam@1401	742 ^ " vs. "
adam@1401	743 ^ Int.toString (1 + length (#2 tnames'))
adam@1401	744 ^ ")");
adam@1401	745 (EVar (["Basis"], "mat_nil", Infer), loc))
adamc@709	746
adamc@709	747 fun findMode mode =
adamc@709	748 let
adamc@709	749 fun findMode' pmodes =
adamc@709	750 case pmodes of
adamc@709	751 [] => (EVar (["Basis"], "no_action", Infer), loc)
adamc@709	752 \| (mode', rule) :: pmodes' =>
adamc@709	753 if mode' = mode then
adamc@709	754 (if List.exists (fn (mode', _) => mode' = mode)
adamc@709	755 pmodes' then
adamc@709	756 ErrorMsg.errorAt loc "Duplicate propagation rule"
adamc@709	757 else
adamc@709	758 ();
adamc@709	759 rule)
adamc@709	760 else
adamc@709	761 findMode' pmodes'
adamc@709	762 in
adamc@709	763 findMode' pmodes
adamc@709	764 end
adamc@709	765
adamc@709	766 val e = (EVar (["Basis"], "foreign_key", Infer), loc)
adamc@709	767 val e = (EApp (e, mat), loc)
adamc@709	768 val e = (EApp (e, texp), loc)
adamc@709	769 in
adam@2009	770 (EApp (e, (ERecord ([((CName "OnDelete", loc),
adam@2009	771 findMode Delete),
adam@2009	772 ((CName "OnUpdate", loc),
adam@2009	773 findMode Update)], false), loc)), loc)
adamc@709	774 end)
adamc@709	775
adamc@704	776 \| LBRACE eexp RBRACE (eexp)
adamc@704	777
adamc@704	778 tnameW : tname (let
adamc@704	779 val loc = s (tnameleft, tnameright)
adamc@704	780 in
adamc@704	781 (tname, (CWild (KType, loc), loc))
adamc@704	782 end)
adamc@704	783
adamc@705	784 tnames : tnameW (tnameW, [])
adamc@705	785 \| LPAREN tnames' RPAREN (tnames')
adamc@704	786
adamc@705	787 tnames': tnameW (tnameW, [])
adamc@705	788 \| tnameW COMMA tnames' (#1 tnames', tnameW :: #2 tnames')
adamc@704	789
adamc@709	790 pmode : ON pkind prule (pkind, prule)
adamc@709	791
adamc@709	792 pkind : DELETE (Delete)
adamc@709	793 \| UPDATE (Update)
adamc@709	794
adamc@709	795 prule : NO ACTION (EVar (["Basis"], "no_action", Infer), s (NOleft, ACTIONright))
adamc@709	796 \| RESTRICT (EVar (["Basis"], "restrict", Infer), s (RESTRICTleft, RESTRICTright))
adamc@709	797 \| CASCADE (EVar (["Basis"], "cascade", Infer), s (CASCADEleft, CASCADEright))
adamc@709	798 \| SET NULL (EVar (["Basis"], "set_null", Infer), s (SETleft, NULLright))
adamc@709	799
adamc@709	800 pmodes : ([])
adamc@709	801 \| pmode pmodes (pmode :: pmodes)
adamc@709	802
adamc@707	803 commaOpt: ()
adamc@707	804 \| COMMA ()
adamc@707	805
adam@1722	806 pk : LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adam@1722	807 \| tnames (let
adam@1722	808 val loc = s (tnamesleft, tnamesright)
adamc@707	809
adamc@1093	810 val e = (EVar (["Basis"], "primary_key", TypesOnly), loc)
adamc@707	811 val e = (ECApp (e, #1 (#1 tnames)), loc)
adamc@707	812 val e = (ECApp (e, (CRecord (#2 tnames), loc)), loc)
adamc@707	813 val e = (EDisjointApp e, loc)
adamc@707	814 val e = (EDisjointApp e, loc)
adamc@707	815
adamc@707	816 val witness = map (fn (c, _) =>
adamc@707	817 (c, (EWild, loc)))
adamc@707	818 (#1 tnames :: #2 tnames)
adam@2009	819 val witness = (ERecord (witness, false), loc)
adamc@707	820 in
adamc@707	821 (EApp (e, witness), loc)
adamc@707	822 end)
adamc@707	823
adam@1722	824 pkopt : (EVar (["Basis"], "no_primary_key", Infer), dummy)
adam@1722	825 \| PRIMARY KEY pk (pk)
adam@1722	826
adamc@123	827 valis : vali ([vali])
adamc@123	828 \| vali AND valis (vali :: valis)
adamc@123	829
adamc@42	830 sgn : sgntm (sgntm)
adamc@40	831 \| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@40	832 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
adamc@30	833
adamc@42	834 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
adamc@59	835 \| mpath (case mpath of
adamc@61	836 [] => raise Fail "Impossible mpath parse [2]"
adamc@59	837 \| [x] => SgnVar x
adamc@59	838 \| m :: ms => SgnProj (m,
adamc@59	839 List.take (ms, length ms - 1),
adamc@59	840 List.nth (ms, length ms - 1)),
adamc@59	841 s (mpathleft, mpathright))
adam@1864	842 \| sgntm WHERE CON path EQ cexp (SgnWhere (sgntm, #1 path, #2 path, cexp), s (sgntmleft, cexpright))
adam@1864	843 \| sgntm WHERE LTYPE path EQ cexp (SgnWhere (sgntm, #1 path, #2 path, cexp), s (sgntmleft, cexpright))
adamc@42	844 \| LPAREN sgn RPAREN (sgn)
adamc@42	845
adam@1577	846 cexpO : (NONE)
adam@1577	847 \| EQ cexp (SOME cexp)
adam@1577	848
adam@1577	849 sgi : LTYPE SYMBOL ((SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
adamc@706	850 s (LTYPEleft, SYMBOLright)))
adam@1577	851 \| CON SYMBOL cargl2 kopt cexpO (let
adam@1577	852 val loc = s (CONleft, cexpOright)
adam@1574	853
adam@1574	854 val k = Option.getOpt (kopt, (KWild, loc))
adam@1574	855 in
adam@1577	856 case cexpO of
adam@1577	857 NONE => (SgiConAbs (SYMBOL, k), loc)
adam@1577	858 \| SOME cexp =>
adam@1577	859 let
adam@1577	860 val (c, k) = cargl2 (cexp, k)
adam@1577	861 in
adam@1577	862 (SgiCon (SYMBOL, SOME k, c), loc)
adam@1577	863 end
adam@1574	864 end)
adam@1654	865 \| LTYPE SYMBOL cargl2 cexpO (let
adam@1654	866 val loc = s (LTYPEleft, cexpOright)
adam@1654	867
adam@1654	868 val k = (KWild, loc)
adam@1654	869 in
adam@1654	870 case cexpO of
adam@1654	871 NONE => (SgiConAbs (SYMBOL, k), loc)
adam@1654	872 \| SOME cexp =>
adam@1654	873 let
adam@1654	874 val (c, k) = cargl2 (cexp, k)
adam@1654	875 in
adam@1654	876 (SgiCon (SYMBOL, SOME k, c), loc)
adam@1654	877 end
adam@1654	878 end)
adamc@805	879 \| DATATYPE dtypes ((SgiDatatype dtypes, s (DATATYPEleft, dtypesright)))
adamc@191	880 \| DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
adamc@191	881 (case dargs of
adamc@191	882 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
adamc@191	883 \| _ => raise Fail "Arguments specified for imported datatype")
adamc@706	884 \| VAL SYMBOL COLON cexp ((SgiVal (SYMBOL, cexp), s (VALleft, cexpright)))
adamc@30	885
adamc@706	886 \| STRUCTURE CSYMBOL COLON sgn ((SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright)))
adamc@706	887 \| SIGNATURE CSYMBOL EQ sgn ((SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright)))
adamc@42	888 \| FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
adamc@706	889 ((SgiStr (CSYMBOL1,
adamc@706	890 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
adamc@706	891 s (FUNCTORleft, sgn2right)))
adamc@706	892 \| INCLUDE sgn ((SgiInclude sgn, s (INCLUDEleft, sgnright)))
adamc@706	893 \| CONSTRAINT cterm TWIDDLE cterm ((SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright)))
adamc@707	894 \| TABLE SYMBOL COLON cterm pkopt commaOpt cstopt (let
adamc@707	895 val loc = s (TABLEleft, ctermright)
adamc@707	896 in
adamc@707	897 (SgiTable (SYMBOL, entable cterm, pkopt, cstopt), loc)
adamc@707	898 end)
adamc@460	899 \| SEQUENCE SYMBOL (let
adamc@460	900 val loc = s (SEQUENCEleft, SYMBOLright)
adamc@460	901 val t = (CVar (["Basis"], "sql_sequence"), loc)
adamc@460	902 in
adamc@460	903 (SgiVal (SYMBOL, t), loc)
adamc@460	904 end)
adamc@754	905 \| VIEW SYMBOL COLON cexp (let
adamc@754	906 val loc = s (VIEWleft, cexpright)
adamc@754	907 val t = (CVar (["Basis"], "sql_view"), loc)
adamc@1076	908 val t = (CApp (t, entable cexp), loc)
adamc@754	909 in
adamc@754	910 (SgiVal (SYMBOL, t), loc)
adamc@754	911 end)
adamc@563	912 \| CLASS SYMBOL (let
adamc@563	913 val loc = s (CLASSleft, SYMBOLright)
adamc@711	914 val k = (KArrow ((KType, loc), (KType, loc)), loc)
adamc@563	915 in
adamc@711	916 (SgiClassAbs (SYMBOL, k), loc)
adamc@563	917 end)
adamc@563	918 \| CLASS SYMBOL DCOLON kind (let
adamc@563	919 val loc = s (CLASSleft, kindright)
adamc@563	920 in
adamc@563	921 (SgiClassAbs (SYMBOL, kind), loc)
adamc@563	922 end)
adamc@563	923 \| CLASS SYMBOL EQ cexp (let
adamc@563	924 val loc = s (CLASSleft, cexpright)
adamc@563	925 in
adamc@563	926 (SgiClass (SYMBOL, (KWild, loc), cexp), loc)
adamc@563	927 end)
adamc@563	928 \| CLASS SYMBOL DCOLON kind EQ cexp (let
adamc@563	929 val loc = s (CLASSleft, cexpright)
adamc@563	930 in
adamc@563	931 (SgiClass (SYMBOL, kind, cexp), loc)
adamc@563	932 end)
adamc@211	933 \| CLASS SYMBOL SYMBOL EQ cexp (let
adamc@211	934 val loc = s (CLASSleft, cexpright)
adamc@563	935 val k = (KWild, loc)
adamc@211	936 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
adamc@211	937 in
adamc@563	938 (SgiClass (SYMBOL1, k, c), s (CLASSleft, cexpright))
adamc@563	939 end)
adamc@563	940 \| CLASS SYMBOL LPAREN SYMBOL DCOLON kind RPAREN EQ cexp (let
adamc@563	941 val loc = s (CLASSleft, cexpright)
adamc@563	942 val c = (CAbs (SYMBOL2, SOME kind, cexp), loc)
adamc@563	943 in
adamc@563	944 (SgiClass (SYMBOL1, kind, c), s (CLASSleft, cexpright))
adamc@211	945 end)
adamc@460	946 \| COOKIE SYMBOL COLON cexp (let
adamc@460	947 val loc = s (COOKIEleft, cexpright)
adamc@460	948 val t = (CApp ((CVar (["Basis"], "http_cookie"), loc),
adamc@460	949 entable cexp), loc)
adamc@460	950 in
adamc@460	951 (SgiVal (SYMBOL, t), loc)
adamc@460	952 end)
adamc@720	953 \| STYLE SYMBOL (let
adamc@720	954 val loc = s (STYLEleft, SYMBOLright)
adamc@720	955 val t = (CVar (["Basis"], "css_class"), loc)
adamc@718	956 in
adamc@718	957 (SgiVal (SYMBOL, t), loc)
adamc@718	958 end)
adamc@30	959
adamc@30	960 sgis : ([])
adamc@30	961 \| sgi sgis (sgi :: sgis)
adamc@30	962
adamc@30	963 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
adamc@34	964 \| spath (spath)
adamc@40	965 \| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
adamc@40	966 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
adamc@40	967 \| FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
adamc@40	968 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
adamc@44	969 \| spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
adamc@34	970
adamc@34	971 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@34	972 \| spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
adamc@30	973
adamc@1	974 kind : TYPE (KType, s (TYPEleft, TYPEright))
adamc@1	975 \| NAME (KName, s (NAMEleft, NAMEright))
adamc@1	976 \| LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
adamc@1	977 \| kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
adamc@1	978 \| LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
adamc@82	979 \| KUNIT (KUnit, s (KUNITleft, KUNITright))
adamc@18	980 \| UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
adamc@207	981 \| LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
adamc@623	982 \| CSYMBOL (KVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@623	983 \| CSYMBOL KARROW kind (KFun (CSYMBOL, kind), s (CSYMBOLleft, kindright))
adamc@207	984
adamc@207	985 ktuple : kind STAR kind ([kind1, kind2])
adamc@207	986 \| kind STAR ktuple (kind :: ktuple)
adamc@1	987
adamc@1	988 capps : cterm (cterm)
adamc@1	989 \| capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
adamc@1	990
adamc@1	991 cexp : capps (capps)
adamc@1	992 \| cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
adamc@15	993 \| SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
adamc@623	994 \| CSYMBOL KARROW cexp (TKFun (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1	995
adamc@1	996 \| cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
adamc@1	997
adamc@239	998 \| FN cargs DARROW cexp (#1 (cargs (cexp, (KWild, s (FNleft, cexpright)))))
adamc@628	999 \| LBRACK cexp TWIDDLE cexp RBRACK DARROW cexp (TDisjoint (cexp1, cexp2, cexp3), s (LBRACKleft, cexp3right))
adamc@623	1000 \| CSYMBOL DKARROW cexp (CKAbs (CSYMBOL, cexp), s (CSYMBOLleft, cexpright))
adamc@1	1001
adamc@8	1002 \| LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
adamc@6	1003
adamc@18	1004 \| UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
adamc@195	1005 \| ctuple (let
adamc@195	1006 val loc = s (ctupleleft, ctupleright)
adamc@195	1007 in
adamc@195	1008 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
adamc@195	1009 ((CName (Int.toString (i + 1)), loc),
adamc@195	1010 c)) ctuple),
adamc@195	1011 loc), loc)
adamc@195	1012 end)
adamc@18	1013
adamc@1	1014 kcolon : DCOLON (Explicit)
adamc@1	1015 \| TCOLON (Implicit)
adamc@1	1016
adamc@239	1017 cargs : carg (carg)
adamc@239	1018 \| cargl (cargl)
adamc@239	1019
adamc@239	1020 cargl : cargp cargp (cargp1 o cargp2)
adamc@239	1021 \| cargp cargl (cargp o cargl)
adamc@239	1022
adamc@240	1023 cargl2 : (fn x => x)
adamc@240	1024 \| cargp cargl2 (cargp o cargl2)
adamc@240	1025
adamc@241	1026 carg : SYMBOL DCOLON kind (fn (c, k) =>
adamc@239	1027 let
adamc@239	1028 val loc = s (SYMBOLleft, kindright)
adamc@239	1029 in
adamc@239	1030 ((CAbs (SYMBOL, SOME kind, c), loc),
adamc@239	1031 (KArrow (kind, k), loc))
adamc@239	1032 end)
adamc@329	1033 \| UNDER DCOLON kind (fn (c, k) =>
adamc@329	1034 let
adamc@329	1035 val loc = s (UNDERleft, kindright)
adamc@329	1036 in
adamc@329	1037 ((CAbs ("_", SOME kind, c), loc),
adamc@329	1038 (KArrow (kind, k), loc))
adamc@329	1039 end)
adam@1302	1040 \| SYMBOL DCOLONWILD (fn (c, k) =>
adam@1302	1041 let
adam@1302	1042 val loc = s (SYMBOLleft, DCOLONWILDright)
adam@1302	1043 val kind = (KWild, loc)
adam@1302	1044 in
adam@1302	1045 ((CAbs (SYMBOL, NONE, c), loc),
adam@1302	1046 (KArrow (kind, k), loc))
adam@1302	1047 end)
adam@1302	1048 \| UNDER DCOLONWILD (fn (c, k) =>
adam@1302	1049 let
adam@1302	1050 val loc = s (UNDERleft, DCOLONWILDright)
adam@1302	1051 val kind = (KWild, loc)
adam@1302	1052 in
adam@1302	1053 ((CAbs ("_", NONE, c), loc),
adam@1302	1054 (KArrow (kind, k), loc))
adam@1302	1055 end)
adamc@241	1056 \| cargp (cargp)
adamc@239	1057
adamc@239	1058 cargp : SYMBOL (fn (c, k) =>
adamc@239	1059 let
adamc@239	1060 val loc = s (SYMBOLleft, SYMBOLright)
adamc@239	1061 in
adamc@239	1062 ((CAbs (SYMBOL, NONE, c), loc),
adamc@239	1063 (KArrow ((KWild, loc), k), loc))
adamc@239	1064 end)
adamc@329	1065 \| UNDER (fn (c, k) =>
adamc@329	1066 let
adamc@329	1067 val loc = s (UNDERleft, UNDERright)
adamc@329	1068 in
adamc@329	1069 ((CAbs ("_", NONE, c), loc),
adamc@329	1070 (KArrow ((KWild, loc), k), loc))
adamc@329	1071 end)
adamc@1001	1072 \| LPAREN SYMBOL kopt ckl RPAREN (fn (c, k) =>
adamc@239	1073 let
adamc@239	1074 val loc = s (LPARENleft, RPARENright)
adamc@1001	1075 val ckl = (SYMBOL, kopt) :: ckl
adamc@1001	1076 val ckl = map (fn (x, ko) => (x, case ko of
adamc@1001	1077 NONE => (KWild, loc)
adamc@1001	1078 \| SOME k => k)) ckl
adamc@239	1079 in
adamc@1001	1080 case ckl of
adamc@1001	1081 [(x, k')] => ((CAbs (SYMBOL, SOME k', c), loc),
adamc@1001	1082 (KArrow (k', k), loc))
adamc@1001	1083 \| _ =>
adamc@1001	1084 let
adamc@1001	1085 val k' = (KTuple (map #2 ckl), loc)
adamc@1001	1086
adamc@1001	1087 val c = foldr (fn ((x, k), c) =>
adamc@1001	1088 (CAbs (x, SOME k, c), loc)) c ckl
adamc@1001	1089 val v = (CVar ([], "$x"), loc)
adamc@1001	1090 val c = ListUtil.foldli (fn (i, _, c) =>
adamc@1001	1091 (CApp (c, (CProj (v, i + 1), loc)),
adamc@1001	1092 loc)) c ckl
adamc@1001	1093 in
adamc@1001	1094 ((CAbs ("$x", SOME k', c), loc),
adamc@1001	1095 (KArrow (k', k), loc))
adamc@1001	1096 end
adamc@239	1097 end)
adamc@628	1098
adamc@1001	1099 ckl : ([])
adamc@1001	1100 \| COMMA SYMBOL kopt ckl ((SYMBOL, kopt) :: ckl)
adamc@239	1101
adamc@34	1102 path : SYMBOL ([], SYMBOL)
adamc@34	1103 \| CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
adamc@34	1104
adamc@156	1105 cpath : CSYMBOL ([], CSYMBOL)
adamc@156	1106 \| CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
adamc@156	1107
adamc@59	1108 mpath : CSYMBOL ([CSYMBOL])
adamc@59	1109 \| CSYMBOL DOT mpath (CSYMBOL :: mpath)
adamc@59	1110
adamc@1	1111 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
adamc@1	1112 \| LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
adamc@83	1113 \| LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
adamc@1	1114 \| LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
adamc@1	1115 s (LBRACEleft, RBRACEright))
adamc@1	1116 \| DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
adamc@1	1117 \| HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
adamc@195	1118 \| HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
adamc@1	1119
adamc@34	1120 \| path (CVar path, s (pathleft, pathright))
adamc@207	1121 \| path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
adamc@207	1122 s (pathleft, INTright))
adamc@18	1123 \| UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
adamc@621	1124 \| MAP (CMap, s (MAPleft, MAPright))
adamc@82	1125 \| UNIT (CUnit, s (UNITleft, UNITright))
adamc@207	1126 \| LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
adamc@207	1127
adamc@207	1128 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
adamc@207	1129 \| cexp COMMA ctuplev (cexp :: ctuplev)
adamc@1	1130
adamc@196	1131 ctuple : capps STAR capps ([capps1, capps2])
adamc@196	1132 \| capps STAR ctuple (capps :: ctuple)
adamc@195	1133
adamc@1	1134 rcon : ([])
adamc@1	1135 \| ident EQ cexp ([(ident, cexp)])
adamc@1	1136 \| ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
adamc@1	1137
adamc@83	1138 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
adamc@83	1139 \| ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
adamc@83	1140
adamc@1	1141 rcone : ([])
adamc@1	1142 \| ident COLON cexp ([(ident, cexp)])
adamc@1	1143 \| ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
adamc@1	1144
adamc@1	1145 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@195	1146 \| INT (CName (Int64.toString INT), s (INTleft, INTright))
adamc@200	1147 \| SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@8	1148
adamc@8	1149 eapps : eterm (eterm)
adamc@8	1150 \| eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
adamc@8	1151 \| eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
adamc@629	1152 \| eapps BANG (EDisjointApp eapps, s (eappsleft, BANGright))
adamc@8	1153
adam@1751	1154 eexp : eapps (case #1 eapps of
adam@1751	1155 EApp ((EVar ([], "CLASS", _), _), (EPrim (Prim.String s), loc)) => parseClass s loc
adam@1751	1156 \| EApp ((EVar ([], "STYLE", _), _), (EPrim (Prim.String s), loc)) => parseStyle s loc
adam@1751	1157 \| _ => eapps)
adamc@241	1158 \| FN eargs DARROW eexp (let
adamc@93	1159 val loc = s (FNleft, eexpright)
adamc@93	1160 in
adamc@241	1161 #1 (eargs (eexp, (CWild (KType, loc), loc)))
adamc@93	1162 end)
adamc@623	1163 \| CSYMBOL DKARROW eexp (EKAbs (CSYMBOL, eexp), s (CSYMBOLleft, eexpright))
adamc@196	1164 \| eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
adamc@149	1165 \| eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
adamc@493	1166 \| eexp MINUSMINUSMINUS cexp (ECutMulti (eexp, cexp), s (eexpleft, cexpright))
adamc@170	1167 \| CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
adamc@190	1168 \| IF eexp THEN eexp ELSE eexp (let
adamc@190	1169 val loc = s (IFleft, eexp3right)
adamc@190	1170 in
adamc@190	1171 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
adamc@190	1172 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
adamc@190	1173 end)
adamc@434	1174 \| bind SEMI eexp (let
adamc@434	1175 val loc = s (bindleft, eexpright)
adam@2009	1176 val (p, to, e1) = bind
adamc@403	1177 val e = (EVar (["Basis"], "bind", Infer), loc)
adamc@434	1178 val e = (EApp (e, e1), loc)
adam@2009	1179
adam@2009	1180 val f = case #1 p of
adam@2009	1181 PVar v => (EAbs (v, to, eexp), loc)
adam@2009	1182 \| _ => (EAbs ("$x", to,
adam@2009	1183 (ECase ((EVar ([], "$x", Infer), loc),
adam@2009	1184 [(p, eexp)]), loc)), loc)
adamc@243	1185 in
adam@2009	1186 (EApp (e, f), loc)
adamc@299	1187 end)
adamc@256	1188 \| eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@257	1189 \| eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389	1190 \| MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright)))
adamc@389	1191 \| eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389	1192 \| eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@1116	1193 \| eapps STAR eexp (native_op ("times", eapps, eexp, s (eappsleft, eexpright)))
adamc@964	1194 \| eexp DIVIDE eexp (native_op ("divide", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@389	1195 \| eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1196
adamc@391	1197 \| eexp LT eexp (native_op ("lt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1198 \| eexp LE eexp (native_op ("le", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1199 \| eexp GT eexp (native_op ("gt", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1200 \| eexp GE eexp (native_op ("ge", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@391	1201
adamc@842	1202 \| eexp ANDALSO eexp (let
adamc@842	1203 val loc = s (eexp1left, eexp2right)
adamc@842	1204 in
adamc@842	1205 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842	1206 eexp2),
adamc@842	1207 ((PCon (["Basis"], "False", NONE), loc),
adamc@842	1208 (EVar (["Basis"], "False", Infer), loc))]), loc)
adamc@842	1209 end)
adamc@842	1210 \| eexp ORELSE eexp (let
adamc@842	1211 val loc = s (eexp1left, eexp2right)
adamc@842	1212 in
adamc@842	1213 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc),
adamc@842	1214 (EVar (["Basis"], "True", Infer), loc)),
adamc@842	1215 ((PCon (["Basis"], "False", NONE), loc),
adamc@842	1216 eexp2)]), loc)
adamc@842	1217 end)
adamc@842	1218
adamc@445	1219 \| eexp PLUSPLUS eexp (EConcat (eexp1, eexp2), s (eexp1left, eexp2right))
adamc@8	1220
adamc@674	1221 \| eexp CARET eexp (native_op ("strcat", eexp1, eexp2, s (eexp1left, eexp2right)))
adamc@674	1222
adamc@794	1223 \| eapps DCOLON eexp (let
adamc@794	1224 val loc = s (eappsleft, eexpright)
adamc@762	1225 in
adamc@762	1226 (EApp ((EVar (["Basis"], "Cons", Infer), loc),
adam@2009	1227 (ERecord ([((CName "1", loc),
adam@2009	1228 eapps),
adam@2009	1229 ((CName "2", loc),
adam@2009	1230 eexp)], false), loc)), loc)
adamc@762	1231 end)
adamc@762	1232
adam@2009	1233 bind : eapps LARROW eapps (patternOut eapps1, NONE, eapps2)
adamc@434	1234 \| eapps (let
adamc@434	1235 val loc = s (eappsleft, eappsright)
adamc@434	1236 in
adam@2009	1237 ((PVar "_", loc), SOME (TRecord (CRecord [], loc), loc), eapps)
adamc@434	1238 end)
adamc@434	1239
adamc@241	1240 eargs : earg (earg)
adamc@241	1241 \| eargl (eargl)
adamc@241	1242
adamc@241	1243 eargl : eargp eargp (eargp1 o eargp2)
adamc@241	1244 \| eargp eargl (eargp o eargl)
adamc@241	1245
adamc@242	1246 eargl2 : (fn x => x)
adamc@242	1247 \| eargp eargl2 (eargp o eargl2)
adamc@242	1248
adamc@822	1249 earg : patS (fn (e, t) =>
adamc@241	1250 let
adamc@822	1251 val loc = s (patSleft, patSright)
adamc@822	1252 val pt = patType loc patS
adamc@822	1253
adamc@822	1254 val e' = case #1 patS of
adamc@822	1255 PVar x => (EAbs (x, NONE, e), loc)
adamc@823	1256 \| PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822	1257 \| _ => (EAbs ("$x", SOME pt,
adamc@822	1258 (ECase ((EVar ([], "$x", DontInfer),
adamc@822	1259 loc),
adamc@822	1260 [(patS, e)]), loc)), loc)
adamc@241	1261 in
adamc@822	1262 (e', (TFun (pt, t), loc))
adamc@241	1263 end)
adamc@822	1264 \| earga (earga)
adamc@822	1265
adamc@822	1266 eargp : pterm (fn (e, t) =>
adamc@241	1267 let
adamc@822	1268 val loc = s (ptermleft, ptermright)
adamc@822	1269 val pt = patType loc pterm
adamc@822	1270
adamc@822	1271 val e' = case #1 pterm of
adamc@822	1272 PVar x => (EAbs (x, NONE, e), loc)
adamc@823	1273 \| PAnnot ((PVar x, _), t) => (EAbs (x, SOME t, e), loc)
adamc@822	1274 \| _ => (EAbs ("$x", SOME pt,
adamc@822	1275 (ECase ((EVar ([], "$x", DontInfer),
adamc@822	1276 loc),
adamc@822	1277 [(pterm, e)]), loc)), loc)
adamc@241	1278 in
adamc@822	1279 (e', (TFun (pt, t), loc))
adamc@241	1280 end)
adamc@822	1281 \| earga (earga)
adamc@241	1282
adamc@822	1283 earga : LBRACK SYMBOL RBRACK (fn (e, t) =>
adamc@241	1284 let
adamc@822	1285 val loc = s (LBRACKleft, RBRACKright)
adamc@822	1286 val kind = (KWild, loc)
adamc@822	1287 in
adamc@822	1288 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adamc@822	1289 (TCFun (Implicit, SYMBOL, kind, t), loc))
adamc@822	1290 end)
adam@1302	1291 \| LBRACK SYMBOL DCOLONWILD RBRACK (fn (e, t) =>
adam@1302	1292 let
adam@1302	1293 val loc = s (LBRACKleft, RBRACKright)
adam@1302	1294 val kind = (KWild, loc)
adam@1302	1295 in
adam@1302	1296 ((ECAbs (Explicit, SYMBOL, kind, e), loc),
adam@1302	1297 (TCFun (Explicit, SYMBOL, kind, t), loc))
adam@1302	1298 end)
adamc@822	1299 \| LBRACK SYMBOL kcolon kind RBRACK(fn (e, t) =>
adamc@822	1300 let
adamc@822	1301 val loc = s (LBRACKleft, RBRACKright)
adamc@241	1302 in
adamc@241	1303 ((ECAbs (kcolon, SYMBOL, kind, e), loc),
adamc@241	1304 (TCFun (kcolon, SYMBOL, kind, t), loc))
adamc@241	1305 end)
adam@1306	1306 \| LBRACK SYMBOL TCOLONWILD RBRACK (fn (e, t) =>
adam@1306	1307 let
adam@1306	1308 val loc = s (LBRACKleft, RBRACKright)
adam@1306	1309 val kind = (KWild, loc)
adam@1306	1310 in
adam@1306	1311 ((ECAbs (Implicit, SYMBOL, kind, e), loc),
adam@1306	1312 (TCFun (Implicit, SYMBOL, kind, t), loc))
adam@1306	1313 end)
adamc@478	1314 \| LBRACK cexp TWIDDLE cexp RBRACK(fn (e, t) =>
adamc@356	1315 let
adamc@356	1316 val loc = s (LBRACKleft, RBRACKright)
adamc@356	1317 in
adamc@478	1318 ((EDisjoint (cexp1, cexp2, e), loc),
adamc@628	1319 (TDisjoint (cexp1, cexp2, t), loc))
adamc@356	1320 end)
adamc@822	1321 \| LBRACK CSYMBOL RBRACK (fn (e, t) =>
adamc@623	1322 let
adamc@623	1323 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@623	1324 in
adamc@623	1325 ((EKAbs (CSYMBOL, e), loc),
adamc@623	1326 (TKFun (CSYMBOL, t), loc))
adamc@623	1327 end)
adamc@241	1328
adamc@8	1329 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
adamc@195	1330 \| LPAREN etuple RPAREN (let
adamc@195	1331 val loc = s (LPARENleft, RPARENright)
adamc@195	1332 in
adamc@195	1333 (ERecord (ListUtil.mapi (fn (i, e) =>
adamc@195	1334 ((CName (Int.toString (i + 1)), loc),
adam@2009	1335 e)) etuple, false), loc)
adamc@195	1336 end)
adamc@8	1337
adamc@403	1338 \| path (EVar (#1 path, #2 path, Infer), s (pathleft, pathright))
adamc@403	1339 \| cpath (EVar (#1 cpath, #2 cpath, Infer), s (cpathleft, cpathright))
adamc@403	1340 \| AT path (EVar (#1 path, #2 path, TypesOnly), s (ATleft, pathright))
adamc@403	1341 \| AT AT path (EVar (#1 path, #2 path, DontInfer), s (AT1left, pathright))
adamc@403	1342 \| AT cpath (EVar (#1 cpath, #2 cpath, TypesOnly), s (ATleft, cpathright))
adamc@403	1343 \| AT AT cpath (EVar (#1 cpath, #2 cpath, DontInfer), s (AT1left, cpathright))
adamc@12	1344 \| LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
adam@2009	1345 \| LBRACE RBRACE (ERecord ([], false), s (LBRACEleft, RBRACEright))
adam@2009	1346 \| UNIT (ERecord ([], false), s (UNITleft, UNITright))
adamc@12	1347
adamc@14	1348 \| INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@14	1349 \| FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@14	1350 \| STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821	1351 \| CHAR (EPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@14	1352
adamc@200	1353 \| path DOT idents (let
adamc@200	1354 val loc = s (pathleft, identsright)
adamc@200	1355 in
adamc@200	1356 foldl (fn (ident, e) =>
adamc@200	1357 (EField (e, ident), loc))
adamc@403	1358 (EVar (#1 path, #2 path, Infer), s (pathleft, pathright)) idents
adamc@403	1359 end)
adamc@910	1360 \| LPAREN eexp RPAREN DOT idents (let
adamc@910	1361 val loc = s (LPARENleft, identsright)
adamc@910	1362 in
adamc@910	1363 foldl (fn (ident, e) =>
adamc@910	1364 (EField (e, ident), loc))
adamc@910	1365 eexp idents
adamc@910	1366 end)
adamc@403	1367 \| AT path DOT idents (let
adamc@403	1368 val loc = s (ATleft, identsright)
adamc@403	1369 in
adamc@403	1370 foldl (fn (ident, e) =>
adamc@403	1371 (EField (e, ident), loc))
adamc@403	1372 (EVar (#1 path, #2 path, TypesOnly), s (pathleft, pathright)) idents
adamc@403	1373 end)
adamc@403	1374 \| AT AT path DOT idents (let
adamc@403	1375 val loc = s (AT1left, identsright)
adamc@403	1376 in
adamc@403	1377 foldl (fn (ident, e) =>
adamc@403	1378 (EField (e, ident), loc))
adamc@403	1379 (EVar (#1 path, #2 path, DontInfer), s (pathleft, pathright)) idents
adamc@200	1380 end)
adamc@71	1381
adamc@360	1382 \| XML_BEGIN xml XML_END (let
adamc@360	1383 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360	1384 in
adamc@360	1385 if XML_BEGIN = "xml" then
adamc@360	1386 ()
adamc@360	1387 else
adamc@360	1388 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@360	1389 xml
adamc@360	1390 end)
adamc@360	1391 \| XML_BEGIN XML_END (let
adamc@360	1392 val loc = s (XML_BEGINleft, XML_ENDright)
adamc@360	1393 in
adamc@360	1394 if XML_BEGIN = "xml" then
adamc@360	1395 ()
adamc@360	1396 else
adamc@360	1397 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403	1398 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360	1399 (EPrim (Prim.String ""), loc)),
adamc@360	1400 loc)
adamc@360	1401 end)
adamc@360	1402 \| XML_BEGIN_END (let
adamc@360	1403 val loc = s (XML_BEGIN_ENDleft, XML_BEGIN_ENDright)
adamc@360	1404 in
adamc@360	1405 if XML_BEGIN_END = "xml" then
adamc@360	1406 ()
adamc@360	1407 else
adamc@360	1408 ErrorMsg.errorAt loc "Initial XML tag pair aren't both tagged \"xml\".";
adamc@403	1409 (EApp ((EVar (["Basis"], "cdata", Infer), loc),
adamc@360	1410 (EPrim (Prim.String ""), loc)),
adamc@360	1411 loc)
adamc@360	1412 end)
adamc@302	1413
adamc@204	1414 \| LPAREN query RPAREN (query)
adamc@300	1415 \| LPAREN CWHERE sqlexp RPAREN (sqlexp)
adamc@339	1416 \| LPAREN SQL sqlexp RPAREN (sqlexp)
adamc@1070	1417 \| LPAREN FROM tables RPAREN (#2 tables)
adamc@1071	1418 \| LPAREN SELECT1 query1 RPAREN (query1)
adamc@302	1419
adamc@302	1420 \| LPAREN INSERT INTO texp LPAREN fields RPAREN VALUES LPAREN sqlexps RPAREN RPAREN
adamc@302	1421 (let
adamc@302	1422 val loc = s (LPAREN1left, RPAREN3right)
adamc@302	1423
adamc@403	1424 val e = (EVar (["Basis"], "insert", Infer), loc)
adamc@302	1425 val e = (EApp (e, texp), loc)
adamc@302	1426 in
adamc@302	1427 if length fields <> length sqlexps then
adam@1360	1428 ErrorMsg.errorAt loc ("Length mismatch in INSERT field specification ("
adam@1360	1429 ^ Int.toString (length fields)
adam@1360	1430 ^ " vs. " ^ Int.toString (length sqlexps) ^ ")")
adamc@302	1431 else
adamc@302	1432 ();
adam@2009	1433 (EApp (e, (ERecord (ListPair.zip (fields, sqlexps), false), loc)), loc)
adamc@302	1434 end)
adamc@310	1435 \| LPAREN enterDml UPDATE texp SET fsets CWHERE sqlexp leaveDml RPAREN
adamc@303	1436 (let
adamc@303	1437 val loc = s (LPARENleft, RPARENright)
adamc@303	1438
adamc@403	1439 val e = (EVar (["Basis"], "update", Infer), loc)
adamc@342	1440 val e = (ECApp (e, (CWild (KRecord (KType, loc), loc), loc)), loc)
adam@2009	1441 val e = (EApp (e, (ERecord (fsets, false), loc)), loc)
adamc@305	1442 val e = (EApp (e, texp), loc)
adamc@303	1443 in
adamc@303	1444 (EApp (e, sqlexp), loc)
adamc@303	1445 end)
adamc@310	1446 \| LPAREN enterDml DELETE FROM texp CWHERE sqlexp leaveDml RPAREN
adamc@304	1447 (let
adamc@304	1448 val loc = s (LPARENleft, RPARENright)
adamc@304	1449
adamc@403	1450 val e = (EVar (["Basis"], "delete", Infer), loc)
adamc@304	1451 val e = (EApp (e, texp), loc)
adamc@304	1452 in
adamc@304	1453 (EApp (e, sqlexp), loc)
adamc@304	1454 end)
adamc@302	1455
adamc@211	1456 \| UNDER (EWild, s (UNDERleft, UNDERright))
adamc@91	1457
adamc@446	1458 \| LET edecls IN eexp END (ELet (edecls, eexp), s (LETleft, ENDright))
adamc@446	1459
adamc@762	1460 \| LBRACK RBRACK (EVar (["Basis"], "Nil", Infer), s (LBRACKleft, RBRACKright))
adamc@762	1461
adamc@446	1462 edecls : ([])
adamc@446	1463 \| edecl edecls (edecl :: edecls)
adamc@446	1464
adamc@825	1465 edecl : VAL pat EQ eexp ((EDVal (pat, eexp), s (VALleft, eexpright)))
adamc@446	1466 \| VAL REC valis ((EDValRec valis, s (VALleft, valisright)))
adamc@446	1467 \| FUN valis ((EDValRec valis, s (FUNleft, valisright)))
adamc@446	1468
adamc@310	1469 enterDml : (inDml := true)
adamc@310	1470 leaveDml : (inDml := false)
adamc@310	1471
adamc@403	1472 texp : SYMBOL (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@302	1473 \| LBRACE LBRACE eexp RBRACE RBRACE (eexp)
adamc@302	1474
adamc@302	1475 fields : fident ([fident])
adamc@302	1476 \| fident COMMA fields (fident :: fields)
adamc@302	1477
adamc@302	1478 sqlexps: sqlexp ([sqlexp])
adamc@302	1479 \| sqlexp COMMA sqlexps (sqlexp :: sqlexps)
adamc@302	1480
adamc@303	1481 fsets : fident EQ sqlexp ([(fident, sqlexp)])
adamc@303	1482 \| fident EQ sqlexp COMMA fsets ((fident, sqlexp) :: fsets)
adamc@303	1483
adamc@200	1484 idents : ident ([ident])
adamc@200	1485 \| ident DOT idents (ident :: idents)
adamc@200	1486
adamc@195	1487 etuple : eexp COMMA eexp ([eexp1, eexp2])
adamc@195	1488 \| eexp COMMA etuple (eexp :: etuple)
adamc@195	1489
adamc@170	1490 branch : pat DARROW eexp (pat, eexp)
adamc@170	1491
adamc@170	1492 branchs: ([])
adamc@170	1493 \| BAR branch branchs (branch :: branchs)
adamc@170	1494
adamc@822	1495 patS : pterm (pterm)
adamc@822	1496 \| pterm DCOLON patS (let
adamc@822	1497 val loc = s (ptermleft, patSright)
adamc@762	1498 in
adamc@762	1499 (PCon (["Basis"], "Cons", SOME (PRecord ([("1", pterm),
adamc@822	1500 ("2", patS)], false), loc)),
adamc@762	1501 loc)
adamc@762	1502 end)
adamc@822	1503 \| patS COLON cexp (PAnnot (patS, cexp), s (patSleft, cexpright))
adamc@822	1504
adamc@822	1505 pat : patS (patS)
adamc@822	1506 \| cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
adamc@170	1507
adamc@170	1508 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
adamc@170	1509 \| cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
adamc@170	1510 \| UNDER (PWild, s (UNDERleft, UNDERright))
adamc@173	1511 \| INT (PPrim (Prim.Int INT), s (INTleft, INTright))
adam@1420	1512 \| MINUS INT (PPrim (Prim.Int (~INT)), s (MINUSleft, INTright))
adamc@173	1513 \| STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@821	1514 \| CHAR (PPrim (Prim.Char CHAR), s (CHARleft, CHARright))
adamc@170	1515 \| LPAREN pat RPAREN (pat)
adamc@174	1516 \| LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
adamc@174	1517 \| UNIT (PRecord ([], false), s (UNITleft, UNITright))
adamc@174	1518 \| LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
adamc@195	1519 \| LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
adamc@195	1520 false),
adamc@195	1521 s (LPARENleft, RPARENright))
adamc@762	1522 \| LBRACK RBRACK (PCon (["Basis"], "Nil", NONE), s (LBRACKleft, RBRACKright))
adamc@174	1523
adamc@175	1524 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
adamc@243	1525 \| INT EQ pat ([(Int64.toString INT, pat)], false)
adamc@174	1526 \| DOTDOTDOT ([], true)
adamc@175	1527 \| CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
adamc@243	1528 \| INT EQ pat COMMA rpat ((Int64.toString INT, pat) :: #1 rpat, #2 rpat)
adamc@170	1529
adamc@195	1530 ptuple : pat COMMA pat ([pat1, pat2])
adamc@195	1531 \| pat COMMA ptuple (pat :: ptuple)
adamc@195	1532
adam@2009	1533 rexp : DOTDOTDOT ([], true)
adam@2009	1534 \| ident EQ eexp ([(ident, eexp)], false)
adam@2009	1535 \| ident EQ eexp COMMA rexp ((ident, eexp) :: #1 rexp, #2 rexp)
adamc@91	1536
adamc@141	1537 xml : xmlOne xml (let
adamc@141	1538 val pos = s (xmlOneleft, xmlright)
adamc@141	1539 in
adamc@720	1540 (EApp ((EApp (
adamc@720	1541 (EVar (["Basis"], "join", Infer), pos),
adamc@720	1542 xmlOne), pos),
adamc@720	1543 xml), pos)
adamc@141	1544 end)
adamc@141	1545 \| xmlOne (xmlOne)
adamc@91	1546
adamc@1045	1547 xmlOpt : xml (xml)
adamc@1045	1548 \| (EApp ((EVar (["Basis"], "cdata", Infer), dummy),
adamc@1045	1549 (EPrim (Prim.String ""), dummy)),
adamc@1045	1550 dummy)
adamc@1045	1551
adamc@403	1552 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata", Infer), s (NOTAGSleft, NOTAGSright)),
adamc@141	1553 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
adamc@141	1554 s (NOTAGSleft, NOTAGSright))
adamc@141	1555 \| tag DIVIDE GT (let
adamc@141	1556 val pos = s (tagleft, GTright)
adamc@710	1557
adamc@710	1558 val cdata =
adamc@756	1559 if #1 (#1 tag) = "submit" orelse #1 (#1 tag) = "dyn" then
adamc@710	1560 let
adamc@710	1561 val e = (EVar (["Basis"], "cdata", DontInfer), pos)
adamc@710	1562 val e = (ECApp (e, (CWild (KWild, pos), pos)), pos)
adamc@710	1563 in
adamc@710	1564 (ECApp (e, (CRecord [], pos)), pos)
adamc@710	1565 end
adamc@710	1566 else
adamc@710	1567 (EVar (["Basis"], "cdata", Infer), pos)
adamc@710	1568
adamc@710	1569 val cdata = (EApp (cdata,
adamc@710	1570 (EPrim (Prim.String ""), pos)),
adamc@710	1571 pos)
adamc@141	1572 in
adam@1643	1573 (EApp (#4 tag, cdata), pos)
adamc@141	1574 end)
adamc@141	1575
adamc@1045	1576 \| tag GT xmlOpt END_TAG (let
adam@1563	1577 fun tagOut s =
adam@1563	1578 case s of
adam@1563	1579 "tabl" => "table"
adam@1563	1580 \| _ => s
adam@1563	1581
adamc@141	1582 val pos = s (tagleft, GTright)
adamc@325	1583 val et = tagIn END_TAG
adamc@141	1584 in
adamc@756	1585 if #1 (#1 tag) = et then
adamc@361	1586 if et = "form" then
adam@1412	1587 let
adam@1412	1588 val e = (EVar (["Basis"], "form", Infer), pos)
adam@1412	1589 val e = (EApp (e, case #2 tag of
adam@1412	1590 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1412	1591 \| SOME c => (EApp ((EVar (["Basis"], "Some", Infer), pos), c), pos)), pos)
adam@1412	1592 in
adam@1651	1593 case #3 tag of
adam@1651	1594 NONE => ()
adam@1651	1595 \| SOME _ => ErrorMsg.errorAt pos "<form> does not support 'dynClass' attribute";
adam@1412	1596 (EApp (e, xmlOpt), pos)
adam@1412	1597 end
adamc@1093	1598 else if et = "subform" orelse et = "subforms" then
adamc@1093	1599 (EApp (#2 (#1 tag),
adamc@1045	1600 xmlOpt), pos)
adamc@758	1601 else if et = "entry" then
adamc@758	1602 (EApp ((EVar (["Basis"], "entry", Infer), pos),
adamc@1045	1603 xmlOpt), pos)
adamc@141	1604 else
adam@1643	1605 (EApp (#4 tag, xmlOpt), pos)
adamc@141	1606 else
adamc@325	1607 (if ErrorMsg.anyErrors () then
adamc@325	1608 ()
adamc@325	1609 else
adamc@1189	1610 ErrorMsg.errorAt pos ("Begin tag <"
adam@1563	1611 ^ tagOut (#1 (#1 tag))
adamc@1189	1612 ^ "> and end tag </"
adam@1563	1613 ^ tagOut et
adamc@1189	1614 ^ "> don't match.");
adamc@623	1615 (EWild, pos))
adamc@141	1616 end)
adamc@141	1617 \| LBRACE eexp RBRACE (eexp)
adamc@391	1618 \| LBRACE LBRACK eexp RBRACK RBRACE (let
adamc@391	1619 val loc = s (LBRACEleft, RBRACEright)
adamc@403	1620 val e = (EVar (["Top"], "txt", Infer), loc)
adamc@391	1621 in
adamc@391	1622 (EApp (e, eexp), loc)
adamc@391	1623 end)
adamc@92	1624
adamc@141	1625 tag : tagHead attrs (let
adamc@141	1626 val pos = s (tagHeadleft, attrsright)
adamc@721	1627
adamc@721	1628 val e = (EVar (["Basis"], "tag", Infer), pos)
adamc@721	1629 val eo = case #1 attrs of
adam@1749	1630 NONE => (EVar (["Basis"], "null", Infer), pos)
adam@1749	1631 \| SOME (EPrim (Prim.String s), pos) => parseClass s pos
adam@1749	1632 \| SOME e => e
adamc@721	1633 val e = (EApp (e, eo), pos)
adam@1643	1634 val eo = case #2 attrs of
adam@1643	1635 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1643	1636 \| SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adam@1643	1637 e), pos)
adam@1643	1638 val e = (EApp (e, eo), pos)
adam@1750	1639 val eo = case #3 attrs of
adam@1750	1640 NONE => (EVar (["Basis"], "noStyle", Infer), pos)
adam@1750	1641 \| SOME (EPrim (Prim.String s), pos) => parseStyle s pos
adam@1750	1642 \| SOME e => e
adam@1750	1643 val e = (EApp (e, eo), pos)
adam@1751	1644 val eo = case #4 attrs of
adam@1751	1645 NONE => (EVar (["Basis"], "None", Infer), pos)
adam@1751	1646 \| SOME e => (EApp ((EVar (["Basis"], "Some", Infer), pos),
adam@1751	1647 e), pos)
adam@1751	1648 val e = (EApp (e, eo), pos)
adam@2008	1649
adam@2008	1650 val atts = case #5 attrs of
adam@2008	1651 [] => #6 attrs
adam@2008	1652 \| data :: datas =>
adam@2008	1653 let
adam@2008	1654 fun doOne (name, value) =
adam@2008	1655 let
adam@2008	1656 val e = (EVar (["Basis"], "data_attr", Infer), pos)
adam@2008	1657 val e = (EApp (e, (EPrim (Prim.String name), pos)), pos)
adam@2008	1658 in
adam@2008	1659 (EApp (e, value), pos)
adam@2008	1660 end
adam@2008	1661
adam@2008	1662 val datas' = foldl (fn (nv, acc) =>
adam@2008	1663 let
adam@2008	1664 val e = (EVar (["Basis"], "data_attrs", Infer), pos)
adam@2008	1665 val e = (EApp (e, acc), pos)
adam@2008	1666 in
adam@2008	1667 (EApp (e, doOne nv), pos)
adam@2008	1668 end) (doOne data) datas
adam@2008	1669 in
adam@2008	1670 ((CName "Data", pos), datas') :: #6 attrs
adam@2008	1671 end
adam@2008	1672
adam@2009	1673 val e = (EApp (e, (ERecord (atts, false), pos)), pos)
adamc@721	1674 val e = (EApp (e, (EApp (#2 tagHead,
adam@2009	1675 (ERecord ([], false), pos)), pos)), pos)
adamc@141	1676 in
adam@1643	1677 (tagHead, #1 attrs, #2 attrs, e)
adamc@141	1678 end)
adamc@141	1679
adamc@141	1680 tagHead: BEGIN_TAG (let
adamc@325	1681 val bt = tagIn BEGIN_TAG
adamc@141	1682 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
adamc@141	1683 in
adamc@325	1684 (bt,
adam@1833	1685 (EVar ([], bt, Infer), pos))
adamc@141	1686 end)
adamc@141	1687 \| tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
adamc@92	1688
adam@2008	1689 attrs : (NONE, NONE, NONE, NONE, [], [])
adamc@721	1690 \| attr attrs (let
adamc@721	1691 val loc = s (attrleft, attrsright)
adamc@721	1692 in
adamc@721	1693 case attr of
adamc@721	1694 Class e =>
adamc@721	1695 (case #1 attrs of
adamc@721	1696 NONE => ()
adamc@721	1697 \| SOME _ => ErrorMsg.errorAt loc "Multiple classes specified for tag";
adam@2008	1698 (SOME e, #2 attrs, #3 attrs, #4 attrs, #5 attrs, #6 attrs))
adam@1643	1699 \| DynClass e =>
adam@1643	1700 (case #2 attrs of
adam@1643	1701 NONE => ()
adam@1643	1702 \| SOME _ => ErrorMsg.errorAt loc "Multiple dynamic classes specified for tag";
adam@2008	1703 (#1 attrs, SOME e, #3 attrs, #4 attrs, #5 attrs, #6 attrs))
adam@1750	1704 \| Style e =>
adam@1750	1705 (case #3 attrs of
adam@1750	1706 NONE => ()
adam@1750	1707 \| SOME _ => ErrorMsg.errorAt loc "Multiple styles specified for tag";
adam@2008	1708 (#1 attrs, #2 attrs, SOME e, #4 attrs, #5 attrs, #6 attrs))
adam@1751	1709 \| DynStyle e =>
adam@1751	1710 (case #4 attrs of
adam@1751	1711 NONE => ()
adam@1751	1712 \| SOME _ => ErrorMsg.errorAt loc "Multiple dynamic classes specified for tag";
adam@2008	1713 (#1 attrs, #2 attrs, #3 attrs, SOME e, #5 attrs, #6 attrs))
adam@2008	1714 \| Data xe =>
adam@2008	1715 (#1 attrs, #2 attrs, #3 attrs, #4 attrs, xe :: #5 attrs, #6 attrs)
adamc@721	1716 \| Normal xe =>
adam@2008	1717 (#1 attrs, #2 attrs, #3 attrs, #4 attrs, #5 attrs, xe :: #6 attrs)
adamc@721	1718 end)
adamc@104	1719
adam@1643	1720 attr : SYMBOL EQ attrv (case SYMBOL of
adam@1643	1721 "class" => Class attrv
adam@1643	1722 \| "dynClass" => DynClass attrv
adam@1750	1723 \| "style" => Style attrv
adam@1751	1724 \| "dynStyle" => DynStyle attrv
adam@1643	1725 \| _ =>
adam@2008	1726 if String.isPrefix "data-" SYMBOL then
adam@2008	1727 Data (String.extract (SYMBOL, 5, NONE), attrv)
adam@2008	1728 else
adam@2008	1729 let
adam@2008	1730 val sym = makeAttr SYMBOL
adam@2008	1731 in
adam@2008	1732 Normal ((CName sym, s (SYMBOLleft, SYMBOLright)),
adam@2008	1733 if (sym = "Href" orelse sym = "Src")
adam@2008	1734 andalso (case #1 attrv of
adam@2008	1735 EPrim _ => true
adam@2008	1736 \| _ => false) then
adam@2008	1737 let
adam@2008	1738 val loc = s (attrvleft, attrvright)
adam@2008	1739 in
adam@2008	1740 (EApp ((EVar (["Basis"], "bless", Infer), loc),
adam@2008	1741 attrv), loc)
adam@2008	1742 end
adam@2008	1743 else
adam@2008	1744 attrv)
adam@2008	1745 end)
adamc@204	1746
adamc@104	1747 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@104	1748 \| FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
adamc@104	1749 \| STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
adamc@110	1750 \| LBRACE eexp RBRACE (eexp)
adamc@226	1751
adamc@232	1752 query : query1 obopt lopt ofopt (let
adamc@229	1753 val loc = s (query1left, query1right)
adamc@230	1754
adam@2009	1755 val re = (ERecord ([((CName "Rows", loc),
adam@2009	1756 query1),
adam@2009	1757 ((CName "OrderBy", loc),
adam@2009	1758 obopt),
adam@2009	1759 ((CName "Limit", loc),
adam@2009	1760 lopt),
adam@2009	1761 ((CName "Offset", loc),
adam@2009	1762 ofopt)], false), loc)
adamc@229	1763 in
adamc@403	1764 (EApp ((EVar (["Basis"], "sql_query", Infer), loc), re), loc)
adamc@229	1765 end)
adamc@993	1766
adamc@993	1767 dopt : (EVar (["Basis"], "False", Infer), dummy)
adamc@993	1768 \| DISTINCT (EVar (["Basis"], "True", Infer),
adamc@993	1769 s (DISTINCTleft, DISTINCTright))
adamc@993	1770
adamc@993	1771 query1 : SELECT dopt select FROM tables wopt gopt hopt
adamc@209	1772 (let
adamc@204	1773 val loc = s (SELECTleft, tablesright)
adamc@207	1774
adamc@1070	1775 val (empties, sel, exps) =
adamc@207	1776 case select of
adamc@1070	1777 Star => ([],
adamc@1070	1778 map (fn nm =>
adamc@233	1779 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
adamc@233	1780 loc),
adamc@233	1781 (CRecord [], loc)],
adamc@748	1782 loc))) (#1 tables),
adamc@233	1783 [])
adamc@207	1784 \| Items sis =>
adamc@207	1785 let
adam@1627	1786 val tabs = map (fn nm => (nm, Unknown)) (#1 tables)
adamc@1194	1787 val (_, tabs, exps) = foldl (amend_select loc)
adamc@1194	1788 (1, tabs, []) sis
adam@1627	1789 val empties = List.mapPartial (fn (nm, c) =>
adam@1627	1790 case c of
adam@1627	1791 Unknown => SOME nm
adam@1627	1792 \| Selective (CRecord [], _) => SOME nm
adam@1627	1793 \| _ => NONE) tabs
adamc@207	1794 in
adamc@1070	1795 (empties,
adamc@1070	1796 map (fn (nm, c) => (nm,
adam@1627	1797 case c of
adam@1627	1798 Everything =>
adam@1627	1799 (CTuple [(CWild (KRecord (KType, loc), loc), loc),
adam@1627	1800 (CRecord [], loc)], loc)
adam@1627	1801 \| _ =>
adam@1627	1802 let
adam@1627	1803 val c = case c of
adam@1627	1804 Selective c => c
adam@1627	1805 \| _ => (CRecord [], loc)
adam@1627	1806 in
adam@1627	1807 (CTuple [c,
adam@1627	1808 (CWild (KRecord (KType, loc), loc),
adam@1627	1809 loc)], loc)
adam@1627	1810 end)) tabs,
adamc@233	1811 exps)
adamc@207	1812 end
adamc@207	1813
adam@1778	1814 val exps = map (fn (c, e) => (c, (EApp ((EVar (["Basis"], "sql_window", Infer), loc), e), loc))) exps
adam@1778	1815
adamc@207	1816 val sel = (CRecord sel, loc)
adamc@207	1817
adamc@226	1818 val grp = case gopt of
adamc@403	1819 NONE => (ECApp ((EVar (["Basis"], "sql_subset_all",
adamc@403	1820 Infer), loc),
adamc@226	1821 (CWild (KRecord (KRecord (KType, loc), loc),
adamc@226	1822 loc), loc)), loc)
adamc@226	1823 \| SOME gis =>
adamc@226	1824 let
adamc@748	1825 val tabs = map (fn nm =>
adamc@748	1826 (nm, (CRecord [], loc))) (#1 tables)
adamc@226	1827 val tabs = foldl (amend_group loc) tabs gis
adamc@226	1828
adamc@226	1829 val tabs = map (fn (nm, c) =>
adamc@226	1830 (nm,
adamc@226	1831 (CTuple [c,
adamc@226	1832 (CWild (KRecord (KType, loc),
adamc@226	1833 loc),
adamc@226	1834 loc)], loc))) tabs
adamc@226	1835 in
adamc@403	1836 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adamc@226	1837 (CRecord tabs, loc)), loc)
adamc@226	1838 end
adamc@226	1839
adamc@403	1840 val e = (EVar (["Basis"], "sql_query1", Infer), loc)
adamc@1070	1841 val e = (ECApp (e, (CRecord (map (fn nm => (nm, (CUnit, loc))) empties),
adamc@1070	1842 loc)), loc)
adam@2009	1843 val re = (ERecord ([((CName "Distinct", loc),
adam@2009	1844 dopt),
adam@2009	1845 ((CName "From", loc),
adam@2009	1846 #2 tables),
adam@2009	1847 ((CName "Where", loc),
adam@2009	1848 wopt),
adam@2009	1849 ((CName "GroupBy", loc),
adam@2009	1850 grp),
adam@2009	1851 ((CName "Having", loc),
adam@2009	1852 hopt),
adam@2009	1853 ((CName "SelectFields", loc),
adam@2009	1854 (ECApp ((EVar (["Basis"], "sql_subset", Infer), loc),
adam@2009	1855 sel), loc)),
adam@2009	1856 ((CName "SelectExps", loc),
adam@2009	1857 (ERecord (exps, false), loc))], false), loc)
adamc@223	1858
adamc@209	1859 val e = (EApp (e, re), loc)
adamc@204	1860 in
adamc@207	1861 e
adamc@204	1862 end)
adam@1427	1863 \| query1 UNION query1 (sql_relop ("union", false, query11, query12, s (query11left, query12right)))
adam@1427	1864 \| query1 INTERSECT query1 (sql_relop ("intersect", false, query11, query12, s (query11left, query12right)))
adam@1427	1865 \| query1 EXCEPT query1 (sql_relop ("except", false, query11, query12, s (query11left, query12right)))
adam@1427	1866 \| query1 UNION ALL query1 (sql_relop ("union", true, query11, query12, s (query11left, query12right)))
adam@1427	1867 \| query1 INTERSECT ALL query1 (sql_relop ("intersect", true, query11, query12, s (query11left, query12right)))
adam@1427	1868 \| query1 EXCEPT ALL query1 (sql_relop ("except", true, query11, query12, s (query11left, query12right)))
adamc@1070	1869 \| LBRACE LBRACE LBRACE eexp RBRACE RBRACE RBRACE (eexp)
adamc@204	1870
adamc@749	1871 tables : fitem (fitem)
adamc@749	1872 \| fitem COMMA tables (let
adamc@749	1873 val loc = s (fitemleft, tablesright)
adamc@748	1874
adamc@748	1875 val e = (EVar (["Basis"], "sql_from_comma", Infer), loc)
adamc@749	1876 val e = (EApp (e, #2 fitem), loc)
adamc@748	1877 in
adamc@749	1878 (#1 fitem @ #1 tables,
adamc@748	1879 (EApp (e, #2 tables), loc))
adamc@748	1880 end)
adamc@204	1881
adamc@749	1882 fitem : table' ([#1 table'], #2 table')
adamc@1265	1883 \| LBRACE LBRACE eexp RBRACE RBRACE (tnamesOf eexp, eexp)
adamc@749	1884 \| fitem JOIN fitem ON sqlexp (let
adamc@749	1885 val loc = s (fitem1left, sqlexpright)
adamc@749	1886
adamc@749	1887 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749	1888 val e = (EApp (e, #2 fitem1), loc)
adamc@749	1889 val e = (EApp (e, #2 fitem2), loc)
adamc@749	1890 in
adamc@749	1891 (#1 fitem1 @ #1 fitem2,
adamc@749	1892 (EApp (e, sqlexp), loc))
adamc@749	1893 end)
adamc@749	1894 \| fitem INNER JOIN fitem ON sqlexp (let
adamc@749	1895 val loc = s (fitem1left, sqlexpright)
adamc@749	1896
adamc@749	1897 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749	1898 val e = (EApp (e, #2 fitem1), loc)
adamc@749	1899 val e = (EApp (e, #2 fitem2), loc)
adamc@749	1900 in
adamc@749	1901 (#1 fitem1 @ #1 fitem2,
adamc@749	1902 (EApp (e, sqlexp), loc))
adamc@749	1903 end)
adamc@749	1904 \| fitem CROSS JOIN fitem (let
adamc@749	1905 val loc = s (fitem1left, fitem2right)
adamc@749	1906
adamc@749	1907 val e = (EVar (["Basis"], "sql_inner_join", Infer), loc)
adamc@749	1908 val e = (EApp (e, #2 fitem1), loc)
adamc@749	1909 val e = (EApp (e, #2 fitem2), loc)
adamc@749	1910 val tru = sql_inject (EVar (["Basis"], "True", Infer), loc)
adamc@749	1911 in
adamc@749	1912 (#1 fitem1 @ #1 fitem2,
adamc@749	1913 (EApp (e, tru), loc))
adamc@749	1914 end)
adamc@750	1915 \| fitem LEFT JOIN fitem ON sqlexp (let
adamc@750	1916 val loc = s (fitem1left, sqlexpright)
adamc@750	1917
adamc@750	1918 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@750	1919 val e = (EApp (e, #2 fitem1), loc)
adamc@750	1920 val e = (EApp (e, #2 fitem2), loc)
adamc@750	1921 in
adamc@750	1922 (#1 fitem1 @ #1 fitem2,
adamc@750	1923 (EApp (e, sqlexp), loc))
adamc@750	1924 end)
adamc@751	1925 \| fitem LEFT OUTER JOIN fitem ON sqlexp (let
adamc@751	1926 val loc = s (fitem1left, sqlexpright)
adamc@751	1927
adamc@751	1928 val e = (EVar (["Basis"], "sql_left_join", Infer), loc)
adamc@751	1929 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1930 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1931 in
adamc@751	1932 (#1 fitem1 @ #1 fitem2,
adamc@751	1933 (EApp (e, sqlexp), loc))
adamc@751	1934 end)
adamc@751	1935 \| fitem RIGHT JOIN fitem ON sqlexp (let
adamc@751	1936 val loc = s (fitem1left, sqlexpright)
adamc@751	1937
adamc@751	1938 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751	1939 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1940 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1941 in
adamc@751	1942 (#1 fitem1 @ #1 fitem2,
adamc@751	1943 (EApp (e, sqlexp), loc))
adamc@751	1944 end)
adamc@751	1945 \| fitem RIGHT OUTER JOIN fitem ON sqlexp (let
adamc@751	1946 val loc = s (fitem1left, sqlexpright)
adamc@751	1947
adamc@751	1948 val e = (EVar (["Basis"], "sql_right_join", Infer), loc)
adamc@751	1949 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1950 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1951 in
adamc@751	1952 (#1 fitem1 @ #1 fitem2,
adamc@751	1953 (EApp (e, sqlexp), loc))
adamc@751	1954 end)
adamc@751	1955 \| fitem FULL JOIN fitem ON sqlexp (let
adamc@751	1956 val loc = s (fitem1left, sqlexpright)
adamc@751	1957
adamc@751	1958 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751	1959 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1960 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1961 in
adamc@751	1962 (#1 fitem1 @ #1 fitem2,
adamc@751	1963 (EApp (e, sqlexp), loc))
adamc@751	1964 end)
adamc@751	1965 \| fitem FULL OUTER JOIN fitem ON sqlexp (let
adamc@751	1966 val loc = s (fitem1left, sqlexpright)
adamc@751	1967
adamc@751	1968 val e = (EVar (["Basis"], "sql_full_join", Infer), loc)
adamc@751	1969 val e = (EApp (e, #2 fitem1), loc)
adamc@751	1970 val e = (EApp (e, #2 fitem2), loc)
adamc@751	1971 in
adamc@751	1972 (#1 fitem1 @ #1 fitem2,
adamc@751	1973 (EApp (e, sqlexp), loc))
adamc@751	1974 end)
adamc@1192	1975 \| LPAREN query RPAREN AS tname (let
adamc@1192	1976 val loc = s (LPARENleft, RPARENright)
adamc@1192	1977
adamc@1192	1978 val e = (EVar (["Basis"], "sql_from_query", Infer), loc)
adamc@1192	1979 val e = (ECApp (e, tname), loc)
adamc@1192	1980 in
adamc@1192	1981 ([tname], (EApp (e, query), loc))
adamc@1192	1982 end)
adam@2006	1983 \| LPAREN fitem RPAREN (fitem)
adamc@749	1984
adamc@204	1985 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@204	1986 \| LBRACE cexp RBRACE (cexp)
adamc@204	1987
adamc@243	1988 table : SYMBOL ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)),
adamc@403	1989 (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@403	1990 \| SYMBOL AS tname (tname, (EVar ([], SYMBOL, Infer), s (SYMBOLleft, SYMBOLright)))
adamc@221	1991 \| LBRACE LBRACE eexp RBRACE RBRACE AS tname (tname, eexp)
adamc@207	1992
adamc@748	1993 table' : table (let
adamc@748	1994 val loc = s (tableleft, tableright)
adamc@748	1995 val e = (EVar (["Basis"], "sql_from_table", Infer), loc)
adamc@748	1996 val e = (ECApp (e, #1 table), loc)
adamc@748	1997 in
adamc@748	1998 (#1 table, (EApp (e, #2 table), loc))
adamc@748	1999 end)
adamc@748	2000
adamc@243	2001 tident : SYMBOL (CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright))
adamc@207	2002 \| CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@221	2003 \| LBRACE LBRACE cexp RBRACE RBRACE (cexp)
adamc@207	2004
adamc@207	2005 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
adamc@207	2006 \| LBRACE cexp RBRACE (cexp)
adamc@207	2007
adamc@207	2008 seli : tident DOT fident (Field (tident, fident))
adamc@1194	2009 \| sqlexp (Exp (NONE, sqlexp))
adamc@1194	2010 \| sqlexp AS fident (Exp (SOME fident, sqlexp))
adamc@341	2011 \| tident DOT LBRACE LBRACE cexp RBRACE RBRACE (Fields (tident, cexp))
adam@1627	2012 \| tident DOT STAR (StarFields tident)
adamc@207	2013
adamc@207	2014 selis : seli ([seli])
adamc@207	2015 \| seli COMMA selis (seli :: selis)
adamc@207	2016
adamc@207	2017 select : STAR (Star)
adamc@207	2018 \| selis (Items selis)
adamc@209	2019
adamc@403	2020 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True", Infer),
adamc@209	2021 s (TRUEleft, TRUEright)))
adamc@403	2022 \| FALSE (sql_inject (EVar (["Basis"], "False", Infer),
adamc@209	2023 s (FALSEleft, FALSEright)))
adamc@209	2024
adamc@222	2025 \| INT (sql_inject (EPrim (Prim.Int INT),
adamc@222	2026 s (INTleft, INTright)))
adamc@222	2027 \| FLOAT (sql_inject (EPrim (Prim.Float FLOAT),
adamc@222	2028 s (FLOATleft, FLOATright)))
adamc@229	2029 \| STRING (sql_inject (EPrim (Prim.String STRING),
adamc@229	2030 s (STRINGleft, STRINGright)))
adamc@441	2031 \| CURRENT_TIMESTAMP (sql_nfunc ("current_timestamp",
adamc@441	2032 s (CURRENT_TIMESTAMPleft, CURRENT_TIMESTAMPright)))
adamc@222	2033
adamc@221	2034 \| tident DOT fident (let
adamc@221	2035 val loc = s (tidentleft, fidentright)
adamc@403	2036 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@221	2037 val e = (ECApp (e, tident), loc)
adamc@221	2038 in
adamc@221	2039 (ECApp (e, fident), loc)
adamc@221	2040 end)
adamc@234	2041 \| CSYMBOL (let
adamc@234	2042 val loc = s (CSYMBOLleft, CSYMBOLright)
adamc@310	2043 in
adamc@310	2044 if !inDml then
adamc@310	2045 let
adamc@403	2046 val e = (EVar (["Basis"], "sql_field", Infer), loc)
adamc@310	2047 val e = (ECApp (e, (CName "T", loc)), loc)
adamc@310	2048 in
adamc@310	2049 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310	2050 end
adamc@310	2051 else
adamc@310	2052 let
adamc@403	2053 val e = (EVar (["Basis"], "sql_exp", Infer), loc)
adamc@310	2054 in
adamc@310	2055 (ECApp (e, (CName CSYMBOL, loc)), loc)
adamc@310	2056 end
adamc@310	2057 end)
adamc@221	2058
adamc@471	2059 \| LBRACE eexp RBRACE (eexp)
adamc@470	2060
adamc@559	2061 \| sqlexp EQ sqlexp (sql_binary ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2062 \| sqlexp NE sqlexp (sql_binary ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2063 \| sqlexp LT sqlexp (sql_binary ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2064 \| sqlexp LE sqlexp (sql_binary ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2065 \| sqlexp GT sqlexp (sql_binary ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2066 \| sqlexp GE sqlexp (sql_binary ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2067
adamc@559	2068 \| sqlexp PLUS sqlexp (sql_binary ("plus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2069 \| sqlexp MINUS sqlexp (sql_binary ("minus", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2070 \| sqlexp STAR sqlexp (sql_binary ("times", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2071 \| sqlexp DIVIDE sqlexp (sql_binary ("div", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2072 \| sqlexp MOD sqlexp (sql_binary ("mod", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@219	2073
adamc@220	2074 \| sqlexp CAND sqlexp (sql_binary ("and", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@220	2075 \| sqlexp OR sqlexp (sql_binary ("or", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
adamc@559	2076
kkallio@1607	2077 \| sqlexp LIKE sqlexp (sql_binary ("like", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
kkallio@1607	2078
adamc@220	2079 \| NOT sqlexp (sql_unary ("not", sqlexp, s (NOTleft, sqlexpright)))
adamc@559	2080 \| MINUS sqlexp (sql_unary ("neg", sqlexp, s (MINUSleft, sqlexpright)))
adamc@220	2081
adamc@470	2082 \| sqlexp IS NULL (let
adamc@470	2083 val loc = s (sqlexpleft, NULLright)
adamc@470	2084 in
adamc@470	2085 (EApp ((EVar (["Basis"], "sql_is_null", Infer), loc),
adamc@470	2086 sqlexp), loc)
adamc@470	2087 end)
adamc@470	2088
kkallio@1572	2089 \| CIF sqlexp CTHEN sqlexp CELSE sqlexp (let
kkallio@1572	2090 val loc = s (CIFleft, sqlexp3right)
kkallio@1572	2091 val e = (EVar (["Basis"], "sql_if_then_else", Infer), loc)
kkallio@1572	2092 in
kkallio@1572	2093 (EApp ((EApp ((EApp (e, sqlexp1), loc), sqlexp2), loc), sqlexp3), loc)
kkallio@1572	2094 end)
kkallio@1572	2095
adamc@471	2096 \| LBRACE LBRACK eexp RBRACK RBRACE (sql_inject (#1 eexp,
adamc@471	2097 s (LBRACEleft, RBRACEright)))
adamc@220	2098 \| LPAREN sqlexp RPAREN (sqlexp)
adamc@210	2099
adamc@467	2100 \| NULL (sql_inject ((EVar (["Basis"], "None", Infer),
adamc@467	2101 s (NULLleft, NULLright))))
adamc@467	2102
adam@1778	2103 \| COUNT LPAREN STAR RPAREN window(let
adam@1778	2104 val loc = s (COUNTleft, windowright)
adam@1778	2105 in
adam@1778	2106 case window of
adam@1778	2107 NONE => (EVar (["Basis"], "sql_count", Infer), loc)
adam@1778	2108 \| SOME _ => applyWindow loc (EVar (["Basis"], "sql_window_count", Infer), loc) window
adam@1778	2109 end)
adam@1778	2110 \| COUNT LPAREN sqlexp RPAREN window(let
adam@1778	2111 val loc = s (COUNTleft, RPARENright)
adam@1778	2112 val e = (EVar (["Basis"], "sql_count_col", Infer), loc)
adam@1778	2113 in
adam@1778	2114 case window of
adam@1778	2115 NONE =>
adam@1778	2116 let
adam@1778	2117 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adam@1778	2118 e), loc)
adam@1778	2119 in
adam@1778	2120 (EApp (e, sqlexp), loc)
adam@1778	2121 end
adam@1778	2122 \| SOME _ =>
adam@1778	2123 let
adam@1778	2124 val e = (EVar (["Basis"], "sql_count_col", Infer), loc)
adam@1778	2125 val e = (EApp ((EVar (["Basis"], "sql_window_aggregate", Infer), loc),
adam@1778	2126 e), loc)
adam@1778	2127 in
adam@1778	2128 applyWindow loc (EApp (e, sqlexp), loc) window
adam@1778	2129 end
adam@1778	2130 end)
adam@1776	2131 \| sqlagg LPAREN sqlexp RPAREN window (let
adam@1778	2132 val loc = s (sqlaggleft, RPARENright)
adam@1778	2133
adam@1776	2134 val e = (EVar (["Basis"], "sql_" ^ sqlagg, Infer), loc)
adam@1776	2135 in
adam@1776	2136 case window of
adam@1776	2137 NONE =>
adam@1776	2138 let
adam@1776	2139 val e = (EApp ((EVar (["Basis"], "sql_aggregate", Infer), loc),
adam@1776	2140 e), loc)
adam@1776	2141 in
adam@1776	2142 (EApp (e, sqlexp), loc)
adam@1776	2143 end
adam@1776	2144 \| SOME _ =>
adam@1776	2145 let
adam@1776	2146 val e = (EApp ((EVar (["Basis"], "sql_window_aggregate", Infer), loc),
adam@1776	2147 e), loc)
adam@1776	2148 in
adam@1778	2149 applyWindow loc (EApp (e, sqlexp), loc) window
adam@1776	2150 end
adam@1776	2151 end)
adam@1778	2152 \| RANK UNIT window (let
adam@1778	2153 val loc = s (RANKleft, windowright)
adam@1778	2154 in
adam@1778	2155 applyWindow loc (EVar (["Basis"], "sql_rank", Infer), loc) window
adam@1778	2156 end)
adam@1602	2157 \| COALESCE LPAREN sqlexp COMMA sqlexp RPAREN
adam@1602	2158 (let
adam@1602	2159 val loc = s (COALESCEright, sqlexp2right)
adam@1602	2160 val e = (EVar (["Basis"], "sql_coalesce", Infer), loc)
adam@1602	2161 val e = (EApp (e, sqlexp1), loc)
adam@1602	2162 in
adam@1602	2163 (EApp (e, sqlexp2), loc)
adam@1602	2164 end)
adamc@746	2165 \| fname LPAREN sqlexp RPAREN (let
adamc@746	2166 val loc = s (fnameleft, RPARENright)
adamc@746	2167
adamc@746	2168 val e = (EVar (["Basis"], "sql_ufunc", Infer), loc)
adamc@746	2169 val e = (EApp (e, fname), loc)
adamc@746	2170 in
adamc@746	2171 (EApp (e, sqlexp), loc)
adamc@746	2172 end)
adamc@1191	2173 \| LPAREN query RPAREN (let
adamc@1191	2174 val loc = s (LPARENleft, RPARENright)
adamc@1191	2175
adamc@1191	2176 val e = (EVar (["Basis"], "sql_subquery", Infer), loc)
adamc@1191	2177 in
adamc@1191	2178 (EApp (e, query), loc)
adamc@1191	2179 end)
adamc@746	2180
adam@1776	2181 window : (NONE)
adam@1777	2182 \| OVER LPAREN pbopt obopt RPAREN (SOME (pbopt, obopt))
adam@1777	2183
adam@1777	2184 pbopt : ((EVar (["Basis"], "sql_no_partition", Infer), dummy))
adam@1777	2185 \| PARTITION BY sqlexp (let
adam@1777	2186 val loc = s (PARTITIONleft, sqlexpright)
adam@1777	2187
adam@1777	2188 val e = (EVar (["Basis"], "sql_partition", Infer), loc)
adam@1777	2189 in
adam@1777	2190 (EApp (e, sqlexp), loc)
adam@1777	2191 end)
adam@1776	2192
adamc@746	2193 fname : SYMBOL (EVar (["Basis"], "sql_" ^ SYMBOL, Infer), s (SYMBOLleft, SYMBOLright))
adamc@746	2194 \| LBRACE eexp RBRACE (eexp)
adamc@235	2195
adamc@403	2196 wopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230	2197 dummy))
adamc@209	2198 \| CWHERE sqlexp (sqlexp)
adamc@226	2199
adamc@226	2200 groupi : tident DOT fident (GField (tident, fident))
adam@1425	2201 \| tident DOT LBRACE LBRACE cexp RBRACE RBRACE (GFields (tident, cexp))
adamc@226	2202
adamc@226	2203 groupis: groupi ([groupi])
adamc@226	2204 \| groupi COMMA groupis (groupi :: groupis)
adamc@226	2205
adamc@226	2206 gopt : (NONE)
adamc@226	2207 \| GROUP BY groupis (SOME groupis)
adamc@227	2208
adamc@403	2209 hopt : (sql_inject (EVar (["Basis"], "True", Infer),
adamc@230	2210 dummy))
adamc@227	2211 \| HAVING sqlexp (sqlexp)
adamc@230	2212
adamc@403	2213 obopt : (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), dummy),
adamc@234	2214 (CWild (KRecord (KType, dummy), dummy), dummy)),
adamc@230	2215 dummy)
adamc@230	2216 \| ORDER BY obexps (obexps)
adamc@230	2217
adamc@268	2218 obitem : sqlexp diropt (sqlexp, diropt)
adamc@268	2219
adamc@268	2220 obexps : obitem (let
adamc@268	2221 val loc = s (obitemleft, obitemright)
adamc@230	2222
adamc@403	2223 val e' = (ECApp ((EVar (["Basis"], "sql_order_by_Nil", Infer), loc),
adamc@234	2224 (CWild (KRecord (KType, loc), loc), loc)),
adamc@230	2225 loc)
adamc@403	2226 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268	2227 #1 obitem), loc)
adamc@268	2228 val e = (EApp (e, #2 obitem), loc)
adamc@230	2229 in
adamc@230	2230 (EApp (e, e'), loc)
adamc@230	2231 end)
adamc@268	2232 \| obitem COMMA obexps (let
adamc@268	2233 val loc = s (obitemleft, obexpsright)
adamc@230	2234
adamc@403	2235 val e = (EApp ((EVar (["Basis"], "sql_order_by_Cons", Infer), loc),
adamc@268	2236 #1 obitem), loc)
adamc@268	2237 val e = (EApp (e, #2 obitem), loc)
adamc@230	2238 in
adamc@230	2239 (EApp (e, obexps), loc)
adamc@230	2240 end)
adam@1682	2241 \| RANDOM popt (EVar (["Basis"], "sql_order_by_random", Infer), s (RANDOMleft, poptright))
adam@1682	2242
adam@1682	2243 popt : ()
adam@1682	2244 \| LPAREN RPAREN ()
adam@1684	2245 \| UNIT ()
adamc@231	2246
adamc@403	2247 diropt : (EVar (["Basis"], "sql_asc", Infer), dummy)
adamc@403	2248 \| ASC (EVar (["Basis"], "sql_asc", Infer), s (ASCleft, ASCright))
adamc@403	2249 \| DESC (EVar (["Basis"], "sql_desc", Infer), s (DESCleft, DESCright))
adam@1543	2250 \| LBRACE eexp RBRACE (eexp)
adamc@268	2251
adamc@403	2252 lopt : (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@403	2253 \| LIMIT ALL (EVar (["Basis"], "sql_no_limit", Infer), dummy)
adamc@231	2254 \| LIMIT sqlint (let
adamc@231	2255 val loc = s (LIMITleft, sqlintright)
adamc@231	2256 in
adamc@403	2257 (EApp ((EVar (["Basis"], "sql_limit", Infer), loc), sqlint), loc)
adamc@231	2258 end)
adamc@231	2259
adamc@403	2260 ofopt : (EVar (["Basis"], "sql_no_offset", Infer), dummy)
adamc@232	2261 \| OFFSET sqlint (let
adamc@232	2262 val loc = s (OFFSETleft, sqlintright)
adamc@232	2263 in
adamc@403	2264 (EApp ((EVar (["Basis"], "sql_offset", Infer), loc), sqlint), loc)
adamc@232	2265 end)
adamc@232	2266
adamc@231	2267 sqlint : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
adamc@231	2268 \| LBRACE eexp RBRACE (eexp)
adamc@236	2269
adamc@236	2270 sqlagg : AVG ("avg")
adamc@236	2271 \| SUM ("sum")
adamc@236	2272 \| MIN ("min")
adamc@236	2273 \| MAX ("max")
adam@2010	2274
adam@2010	2275 ffi_mode : SYMBOL (case SYMBOL of
adam@2010	2276 "effectful" => Effectful
adam@2010	2277 \| "benignEffectful" => BenignEffectful
adam@2010	2278 \| "clientOnly" => ClientOnly
adam@2010	2279 \| "serverOnly" => ServerOnly
adam@2010	2280 \| _ => (ErrorMsg.errorAt (s (SYMBOLleft, SYMBOLright)) "Invalid FFI mode"; Effectful))
adam@2010	2281 \| SYMBOL STRING (case SYMBOL of
adam@2010	2282 "jsFunc" => JsFunc STRING
adam@2010	2283 \| _ => (ErrorMsg.errorAt (s (SYMBOLleft, SYMBOLright)) "Invalid FFI mode"; Effectful))
adam@2010	2284
adam@2010	2285 ffi_modes : ([])
adam@2010	2286 \| ffi_mode ffi_modes (ffi_mode :: ffi_modes)

Mercurial > urweb

annotate src/urweb.grm @ 2010:403f0cc65b9c