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annotate src/jscomp.sml @ 1619:15e0c935c91b

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Catching integer divisions by zero
author Adam Chlipala <adam@chlipala.net>
date Sat, 03 Dec 2011 09:44:07 -0500
parents 94ef0b07066a
children 43f22a8f76cc
rev   line source
adam@1487 1 (* Copyright (c) 2008-2011, Adam Chlipala
adamc@567 2 * All rights reserved.
adamc@567 3 *
adamc@567 4 * Redistribution and use in source and binary forms, with or without
adamc@567 5 * modification, are permitted provided that the following conditions are met:
adamc@567 6 *
adamc@567 7 * - Redistributions of source code must retain the above copyright notice,
adamc@567 8 * this list of conditions and the following disclaimer.
adamc@567 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@567 10 * this list of conditions and the following disclaimer in the documentation
adamc@567 11 * and/or other materials provided with the distribution.
adamc@567 12 * - The names of contributors may not be used to endorse or promote products
adamc@567 13 * derived from this software without specific prior written permission.
adamc@567 14 *
adamc@567 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@567 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@567 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@567 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@567 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@567 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@567 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@567 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@567 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@567 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@567 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@567 26 *)
adamc@567 27
adamc@567 28 structure JsComp :> JSCOMP = struct
adamc@567 29
adamc@567 30 open Mono
adamc@567 31
adamc@567 32 structure EM = ErrorMsg
adamc@567 33 structure E = MonoEnv
adamc@567 34 structure U = MonoUtil
adamc@567 35
adamc@589 36 structure IS = IntBinarySet
adamc@589 37 structure IM = IntBinaryMap
adamc@589 38
adamc@800 39 structure TM = BinaryMapFn(struct
adamc@800 40 type ord_key = typ
adamc@800 41 val compare = U.Typ.compare
adamc@800 42 end)
adamc@800 43
adamc@567 44 type state = {
adamc@840 45 decls : (string * int * (string * int * typ option) list) list,
adamc@589 46 script : string list,
adamc@595 47 included : IS.set,
adamc@595 48 injectors : int IM.map,
adamc@800 49 listInjectors : int TM.map,
adamc@638 50 decoders : int IM.map,
adamc@595 51 maxName : int
adamc@567 52 }
adamc@567 53
adamc@568 54 fun strcat loc es =
adamc@568 55 case es of
adamc@568 56 [] => (EPrim (Prim.String ""), loc)
adamc@568 57 | [x] => x
adamc@568 58 | x :: es' => (EStrcat (x, strcat loc es'), loc)
adamc@568 59
adamc@815 60 exception CantEmbed of typ
adamc@815 61
adamc@970 62 fun inString {needle, haystack} = String.isSubstring needle haystack
adamc@847 63
adamc@589 64 fun process file =
adamc@567 65 let
adamc@596 66 val (someTs, nameds) =
adamc@596 67 foldl (fn ((DVal (_, n, t, e, _), _), (someTs, nameds)) => (someTs, IM.insert (nameds, n, e))
adamc@596 68 | ((DValRec vis, _), (someTs, nameds)) =>
adamc@596 69 (someTs, foldl (fn ((_, n, _, e, _), nameds) => IM.insert (nameds, n, e))
adamc@596 70 nameds vis)
adamc@808 71 | ((DDatatype dts, _), state as (someTs, nameds)) =>
adamc@808 72 (foldl (fn ((_, _, cs), someTs) =>
adamc@808 73 if ElabUtil.classifyDatatype cs = Option then
adamc@808 74 foldl (fn ((_, n, SOME t), someTs) => IM.insert (someTs, n, t)
adamc@808 75 | (_, someTs) => someTs) someTs cs
adamc@808 76 else
adamc@808 77 someTs) someTs dts,
adamc@808 78 nameds)
adamc@595 79 | (_, state) => state)
adamc@596 80 (IM.empty, IM.empty) file
adamc@567 81
adamc@590 82 fun str loc s = (EPrim (Prim.String s), loc)
adamc@590 83
adamc@594 84 fun isNullable (t, _) =
adamc@594 85 case t of
adamc@594 86 TOption _ => true
adamc@841 87 | TList _ => true
adamc@841 88 | TDatatype (_, ref (Option, _)) => true
adamc@594 89 | TRecord [] => true
adamc@594 90 | _ => false
adamc@594 91
adamc@593 92 fun quoteExp loc (t : typ) (e, st) =
adamc@590 93 case #1 t of
adam@1446 94 TSource => ((EFfiApp ("Basis", "htmlifySource", [e]), loc), st)
adamc@590 95
adamc@593 96 | TRecord [] => (str loc "null", st)
adamc@593 97 | TRecord [(x, t)] =>
adamc@593 98 let
adamc@593 99 val (e, st) = quoteExp loc t ((EField (e, x), loc), st)
adamc@593 100 in
adamc@593 101 (strcat loc [str loc ("{_" ^ x ^ ":"),
adamc@593 102 e,
adamc@593 103 str loc "}"], st)
adamc@593 104 end
adamc@593 105 | TRecord ((x, t) :: xts) =>
adamc@593 106 let
adamc@593 107 val (e', st) = quoteExp loc t ((EField (e, x), loc), st)
adamc@593 108 val (es, st) = ListUtil.foldlMap
adamc@593 109 (fn ((x, t), st) =>
adamc@593 110 let
adamc@593 111 val (e, st) = quoteExp loc t ((EField (e, x), loc), st)
adamc@593 112 in
adamc@593 113 (strcat loc [str loc (",_" ^ x ^ ":"), e], st)
adamc@593 114 end)
adamc@593 115 st xts
adamc@593 116 in
adamc@593 117 (strcat loc (str loc ("{_" ^ x ^ ":")
adamc@593 118 :: e'
adamc@593 119 :: es
adamc@593 120 @ [str loc "}"]), st)
adamc@593 121 end
adamc@590 122
adamc@593 123 | TFfi ("Basis", "string") => ((EFfiApp ("Basis", "jsifyString", [e]), loc), st)
adamc@1025 124 | TFfi ("Basis", "char") => ((EFfiApp ("Basis", "jsifyChar", [e]), loc), st)
adamc@593 125 | TFfi ("Basis", "int") => ((EFfiApp ("Basis", "htmlifyInt", [e]), loc), st)
adamc@593 126 | TFfi ("Basis", "float") => ((EFfiApp ("Basis", "htmlifyFloat", [e]), loc), st)
adamc@682 127 | TFfi ("Basis", "channel") => ((EFfiApp ("Basis", "jsifyChannel", [e]), loc), st)
adam@1360 128 | TFfi ("Basis", "time") => ((EFfiApp ("Basis", "jsifyTime", [e]), loc), st)
adamc@593 129
adamc@593 130 | TFfi ("Basis", "bool") => ((ECase (e,
adamc@593 131 [((PCon (Enum, PConFfi {mod = "Basis",
adamc@593 132 datatyp = "bool",
adamc@593 133 con = "True",
adamc@593 134 arg = NONE}, NONE), loc),
adamc@593 135 str loc "true"),
adamc@593 136 ((PCon (Enum, PConFfi {mod = "Basis",
adamc@593 137 datatyp = "bool",
adamc@593 138 con = "False",
adamc@593 139 arg = NONE}, NONE), loc),
adamc@593 140 str loc "false")],
adamc@593 141 {disc = (TFfi ("Basis", "bool"), loc),
adamc@593 142 result = (TFfi ("Basis", "string"), loc)}), loc),
adamc@593 143 st)
adamc@592 144
adamc@594 145 | TOption t =>
adamc@594 146 let
adamc@594 147 val (e', st) = quoteExp loc t ((ERel 0, loc), st)
adamc@594 148 in
adamc@813 149 (case #1 e' of
adamc@813 150 EPrim (Prim.String "ERROR") => raise Fail "UHOH"
adamc@813 151 | _ =>
adamc@813 152 (ECase (e,
adamc@813 153 [((PNone t, loc),
adamc@813 154 str loc "null"),
adamc@813 155 ((PSome (t, (PVar ("x", t), loc)), loc),
adamc@813 156 if isNullable t then
adamc@813 157 strcat loc [str loc "{v:", e', str loc "}"]
adamc@813 158 else
adamc@813 159 e')],
adamc@813 160 {disc = (TOption t, loc),
adamc@813 161 result = (TFfi ("Basis", "string"), loc)}), loc),
adamc@594 162 st)
adamc@594 163 end
adamc@594 164
adamc@800 165 | TList t' =>
adamc@800 166 (case TM.find (#listInjectors st, t') of
adamc@800 167 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 168 | NONE =>
adamc@800 169 let
adamc@800 170 val rt = (TRecord [("1", t'), ("2", t)], loc)
adamc@800 171
adamc@800 172 val n' = #maxName st
adamc@800 173 val st = {decls = #decls st,
adamc@800 174 script = #script st,
adamc@800 175 included = #included st,
adamc@800 176 injectors = #injectors st,
adamc@800 177 listInjectors = TM.insert (#listInjectors st, t', n'),
adamc@800 178 decoders = #decoders st,
adamc@800 179 maxName = n' + 1}
adamc@800 180
adamc@800 181 val s = (TFfi ("Basis", "string"), loc)
adamc@801 182 val (e', st) = quoteExp loc t' ((EField ((ERel 0, loc), "1"), loc), st)
adamc@800 183
adamc@800 184 val body = (ECase ((ERel 0, loc),
adamc@800 185 [((PNone rt, loc),
adamc@800 186 str loc "null"),
adamc@800 187 ((PSome (rt, (PVar ("x", rt), loc)), loc),
adam@1541 188 strcat loc [str loc "{_1:",
adamc@800 189 e',
adamc@800 190 str loc ",_2:",
adamc@800 191 (EApp ((ENamed n', loc),
adamc@800 192 (EField ((ERel 0, loc), "2"), loc)), loc),
adam@1541 193 str loc "}"])],
adamc@800 194 {disc = t, result = s}), loc)
adamc@800 195 val body = (EAbs ("x", t, s, body), loc)
adamc@800 196
adamc@840 197 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 198 body, "jsify") :: #decls st,
adamc@800 199 script = #script st,
adamc@800 200 included = #included st,
adamc@800 201 injectors = #injectors st,
adamc@800 202 listInjectors = #listInjectors st,
adamc@800 203 decoders= #decoders st,
adamc@800 204 maxName = #maxName st}
adamc@800 205
adamc@800 206
adamc@800 207 in
adamc@800 208 ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 209 end)
adamc@800 210
adamc@595 211 | TDatatype (n, ref (dk, cs)) =>
adamc@595 212 (case IM.find (#injectors st, n) of
adamc@595 213 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 214 | NONE =>
adamc@595 215 let
adamc@595 216 val n' = #maxName st
adamc@595 217 val st = {decls = #decls st,
adamc@595 218 script = #script st,
adamc@595 219 included = #included st,
adamc@595 220 injectors = IM.insert (#injectors st, n, n'),
adamc@800 221 listInjectors = #listInjectors st,
adamc@638 222 decoders = #decoders st,
adamc@595 223 maxName = n' + 1}
adamc@595 224
adamc@595 225 val (pes, st) = ListUtil.foldlMap
adamc@595 226 (fn ((_, cn, NONE), st) =>
adamc@595 227 (((PCon (dk, PConVar cn, NONE), loc),
adamc@596 228 case dk of
adamc@596 229 Option => str loc "null"
adamc@596 230 | _ => str loc (Int.toString cn)),
adamc@595 231 st)
adamc@595 232 | ((_, cn, SOME t), st) =>
adamc@595 233 let
adamc@595 234 val (e, st) = quoteExp loc t ((ERel 0, loc), st)
adamc@595 235 in
adamc@595 236 (((PCon (dk, PConVar cn, SOME (PVar ("x", t), loc)), loc),
adamc@596 237 case dk of
adamc@596 238 Option =>
adamc@596 239 if isNullable t then
adamc@638 240 strcat loc [str loc "{v:",
adamc@596 241 e,
adamc@596 242 str loc "}"]
adamc@596 243 else
adamc@596 244 e
adamc@597 245 | _ => strcat loc [str loc ("{n:" ^ Int.toString cn
adamc@597 246 ^ ",v:"),
adamc@597 247 e,
adamc@597 248 str loc "}"]),
adamc@595 249 st)
adamc@595 250 end)
adamc@595 251 st cs
adamc@595 252
adamc@595 253 val s = (TFfi ("Basis", "string"), loc)
adamc@595 254 val body = (ECase ((ERel 0, loc), pes,
adamc@595 255 {disc = t, result = s}), loc)
adamc@595 256 val body = (EAbs ("x", t, s, body), loc)
adamc@595 257
adamc@840 258 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 259 body, "jsify") :: #decls st,
adamc@595 260 script = #script st,
adamc@595 261 included = #included st,
adamc@595 262 injectors = #injectors st,
adamc@800 263 listInjectors = #listInjectors st,
adamc@638 264 decoders= #decoders st,
adamc@595 265 maxName = #maxName st}
adamc@595 266 in
adamc@595 267 ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 268 end)
adamc@595 269
adamc@834 270 | _ => ((*Print.prefaces "Can't embed" [("t", MonoPrint.p_typ MonoEnv.empty t)];*)
adamc@834 271 raise CantEmbed t)
adamc@590 272
adamc@613 273 fun unurlifyExp loc (t : typ, st) =
adamc@613 274 case #1 t of
adamc@1323 275 TRecord [] => ("(i++,null)", st)
adamc@1323 276 | TFfi ("Basis", "unit") => ("(i++,null)", st)
adamc@613 277 | TRecord [(x, t)] =>
adamc@613 278 let
adamc@613 279 val (e, st) = unurlifyExp loc (t, st)
adamc@613 280 in
adamc@613 281 ("{_" ^ x ^ ":" ^ e ^ "}",
adamc@613 282 st)
adamc@613 283 end
adamc@613 284 | TRecord ((x, t) :: xts) =>
adamc@613 285 let
adamc@613 286 val (e', st) = unurlifyExp loc (t, st)
adamc@613 287 val (es, st) = ListUtil.foldlMap
adamc@638 288 (fn ((x, t), st) =>
adamc@638 289 let
adamc@638 290 val (e, st) = unurlifyExp loc (t, st)
adamc@638 291 in
adamc@638 292 (",_" ^ x ^ ":" ^ e, st)
adamc@638 293 end)
adamc@638 294 st xts
adamc@613 295 in
adamc@613 296 (String.concat ("{_"
adamc@613 297 :: x
adamc@613 298 :: ":"
adamc@613 299 :: e'
adamc@613 300 :: es
adamc@613 301 @ ["}"]), st)
adamc@613 302 end
adamc@613 303
adamc@679 304 | TFfi ("Basis", "string") => ("uu(t[i++])", st)
adamc@1025 305 | TFfi ("Basis", "char") => ("uu(t[i++])", st)
adamc@613 306 | TFfi ("Basis", "int") => ("parseInt(t[i++])", st)
adam@1404 307 | TFfi ("Basis", "time") => ("parseInt(t[i++])", st)
adamc@613 308 | TFfi ("Basis", "float") => ("parseFloat(t[i++])", st)
adam@1319 309 | TFfi ("Basis", "channel") => ("(t[i++].length > 0 ? parseInt(t[i-1]) : null)", st)
adamc@613 310
adamc@912 311 | TFfi ("Basis", "bool") => ("t[i++] == \"1\"", st)
adamc@613 312
adamc@638 313 | TOption t =>
adamc@613 314 let
adamc@638 315 val (e, st) = unurlifyExp loc (t, st)
adamc@638 316 val e = if isNullable t then
adamc@638 317 "{v:" ^ e ^ "}"
adamc@638 318 else
adamc@638 319 e
adamc@613 320 in
adamc@703 321 ("(t[i++]==\"Some\"?" ^ e ^ ":null)", st)
adamc@638 322 end
adamc@613 323
adamc@905 324 | TList t =>
adamc@905 325 let
adamc@905 326 val (e, st) = unurlifyExp loc (t, st)
adamc@905 327 in
adamc@905 328 ("uul(function(){return t[i++];},function(){return " ^ e ^ "})", st)
adamc@905 329 end
adamc@905 330
adamc@638 331 | TDatatype (n, ref (dk, cs)) =>
adamc@638 332 (case IM.find (#decoders st, n) of
adamc@638 333 SOME n' => ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@613 334 | NONE =>
adamc@613 335 let
adamc@613 336 val n' = #maxName st
adamc@613 337 val st = {decls = #decls st,
adamc@613 338 script = #script st,
adamc@613 339 included = #included st,
adamc@638 340 injectors = #injectors st,
adamc@800 341 listInjectors = #listInjectors st,
adamc@638 342 decoders = IM.insert (#decoders st, n, n'),
adamc@613 343 maxName = n' + 1}
adamc@613 344
adamc@638 345 val (e, st) = foldl (fn ((x, cn, NONE), (e, st)) =>
adamc@638 346 ("x==\"" ^ x ^ "\"?"
adamc@638 347 ^ (case dk of
adamc@638 348 Option => "null"
adamc@638 349 | _ => Int.toString cn)
adamc@638 350 ^ ":" ^ e,
adamc@613 351 st)
adamc@638 352 | ((x, cn, SOME t), (e, st)) =>
adamc@613 353 let
adamc@638 354 val (e', st) = unurlifyExp loc (t, st)
adamc@613 355 in
adamc@638 356 ("x==\"" ^ x ^ "\"?"
adamc@638 357 ^ (case dk of
adamc@638 358 Option =>
adamc@638 359 if isNullable t then
adamc@638 360 "{v:" ^ e' ^ "}"
adamc@638 361 else
adamc@638 362 e'
adamc@638 363 | _ => "{n:" ^ Int.toString cn ^ ",v:" ^ e' ^ "}")
adamc@638 364 ^ ":" ^ e,
adamc@613 365 st)
adamc@613 366 end)
adamc@810 367 ("pf(\"" ^ ErrorMsg.spanToString loc ^ "\")", st) cs
adamc@613 368
adamc@638 369 val body = "function _n" ^ Int.toString n' ^ "(t,i){var x=t[i++];var r="
adamc@638 370 ^ e ^ ";return {_1:i,_2:r}}\n\n"
adamc@613 371
adamc@638 372 val st = {decls = #decls st,
adamc@638 373 script = body :: #script st,
adamc@613 374 included = #included st,
adamc@613 375 injectors = #injectors st,
adamc@800 376 listInjectors = #listInjectors st,
adamc@638 377 decoders = #decoders st,
adamc@613 378 maxName = #maxName st}
adamc@613 379 in
adamc@638 380 ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@638 381 end)
adamc@613 382
adamc@613 383 | _ => (EM.errorAt loc "Don't know how to unurlify type in JavaScript";
adamc@613 384 Print.prefaces "Can't unurlify" [("t", MonoPrint.p_typ MonoEnv.empty t)];
adamc@613 385 ("ERROR", st))
adamc@613 386
adamc@646 387 fun padWith (ch, s, len) =
adamc@646 388 if size s < len then
adamc@646 389 padWith (ch, String.str ch ^ s, len - 1)
adamc@646 390 else
adamc@646 391 s
adamc@646 392
adamc@794 393 val foundJavaScript = ref false
adamc@794 394
adamc@800 395 fun jsExp mode outer =
adamc@567 396 let
adamc@589 397 val len = length outer
adamc@567 398
adamc@589 399 fun jsE inner (e as (_, loc), st) =
adamc@589 400 let
adamc@590 401 val str = str loc
adamc@567 402
adamc@589 403 fun patCon pc =
adamc@589 404 case pc of
adamc@589 405 PConVar n => str (Int.toString n)
adamc@589 406 | PConFfi {mod = "Basis", con = "True", ...} => str "true"
adamc@589 407 | PConFfi {mod = "Basis", con = "False", ...} => str "false"
adamc@970 408 | PConFfi {con, ...} => str ("\"" ^ con ^ "\"")
adamc@567 409
adamc@591 410 fun unsupported s =
adamc@591 411 (EM.errorAt loc (s ^ " in code to be compiled to JavaScript[2]");
adamc@910 412 Print.preface ("Code", MonoPrint.p_exp MonoEnv.empty e);
adamc@591 413 (str "ERROR", st))
adamc@577 414
adamc@589 415 val strcat = strcat loc
adamc@584 416
adamc@589 417 fun jsPrim p =
adamc@943 418 let
adamc@943 419 fun jsChar ch =
adamc@943 420 case ch of
adamc@943 421 #"'" =>
adamc@943 422 if mode = Attribute then
adamc@943 423 "\\047"
adamc@943 424 else
adamc@943 425 "'"
adamc@943 426 | #"\"" => "\\\""
adamc@943 427 | #"<" => "\\074"
adamc@943 428 | #"\\" => "\\\\"
adamc@943 429 | #"\n" => "\\n"
adamc@943 430 | #"\r" => "\\r"
adamc@943 431 | #"\t" => "\\t"
adamc@943 432 | ch =>
adam@1285 433 if Char.isPrint ch orelse ord ch >= 128 then
adamc@943 434 String.str ch
adamc@943 435 else
adamc@943 436 "\\" ^ padWith (#"0",
adamc@943 437 Int.fmt StringCvt.OCT (ord ch),
adamc@943 438 3)
adamc@943 439 in
adamc@943 440 case p of
adamc@943 441 Prim.String s =>
adamc@943 442 str ("\"" ^ String.translate jsChar s ^ "\"")
adamc@1176 443 | Prim.Char ch => str ("\"" ^ jsChar ch ^ "\"")
adamc@943 444 | _ => str (Prim.toString p)
adamc@943 445 end
adamc@589 446
adamc@970 447 fun jsPat (p, _) =
adamc@589 448 case p of
adamc@970 449 PWild => str "{c:\"w\"}"
adamc@970 450 | PVar _ => str "{c:\"v\"}"
adamc@970 451 | PPrim p => strcat [str "{c:\"c\",v:",
adamc@589 452 jsPrim p,
adamc@970 453 str "}"]
adamc@589 454 | PCon (_, PConFfi {mod = "Basis", con = "True", ...}, NONE) =>
adamc@970 455 str "{c:\"c\",v:true}"
adamc@589 456 | PCon (_, PConFfi {mod = "Basis", con = "False", ...}, NONE) =>
adamc@970 457 str "{c:\"c\",v:false}"
adamc@596 458 | PCon (Option, _, NONE) =>
adamc@970 459 str "{c:\"c\",v:null}"
adamc@596 460 | PCon (Option, PConVar n, SOME p) =>
adamc@596 461 (case IM.find (someTs, n) of
adamc@596 462 NONE => raise Fail "Jscomp: Not in someTs"
adamc@974 463 | SOME t =>
adamc@974 464 strcat [str ("{c:\"s\",n:"
adamc@974 465 ^ (if isNullable t then
adamc@974 466 "true"
adamc@974 467 else
adamc@974 468 "false")
adamc@974 469 ^ ",p:"),
adamc@974 470 jsPat p,
adamc@974 471 str "}"])
adamc@974 472 | PCon (_, pc, NONE) => strcat [str "{c:\"c\",v:",
adamc@970 473 patCon pc,
adamc@970 474 str "}"]
adamc@970 475 | PCon (_, pc, SOME p) => strcat [str "{c:\"1\",n:",
adamc@970 476 patCon pc,
adamc@970 477 str ",p:",
adamc@970 478 jsPat p,
adamc@970 479 str "}"]
adamc@970 480 | PRecord xps => strcat [str "{c:\"r\",l:",
adamc@970 481 foldr (fn ((x, p, _), e) =>
adamc@970 482 strcat [str ("cons({n:\"" ^ x ^ "\",p:"),
adamc@970 483 jsPat p,
adamc@970 484 str "},",
adamc@970 485 e,
adamc@970 486 str ")"])
adamc@970 487 (str "null") xps,
adamc@970 488 str "}"]
adamc@970 489 | PNone _ => str "{c:\"c\",v:null}"
adamc@970 490 | PSome (t, p) => strcat [str ("{c:\"s\",n:"
adamc@829 491 ^ (if isNullable t then
adamc@970 492 "true"
adamc@829 493 else
adamc@970 494 "false")
adamc@970 495 ^ ",p:"),
adamc@970 496 jsPat p,
adamc@970 497 str "}"]
adamc@589 498
adamc@601 499 val jsifyString = String.translate (fn #"\"" => "\\\""
adamc@601 500 | #"\\" => "\\\\"
adamc@601 501 | ch => String.str ch)
adamc@601 502
adamc@601 503 fun jsifyStringMulti (n, s) =
adamc@601 504 case n of
adamc@601 505 0 => s
adamc@601 506 | _ => jsifyStringMulti (n - 1, jsifyString s)
adamc@601 507
adamc@601 508 fun deStrcat level (all as (e, _)) =
adamc@589 509 case e of
adamc@601 510 EPrim (Prim.String s) => jsifyStringMulti (level, s)
adamc@601 511 | EStrcat (e1, e2) => deStrcat level e1 ^ deStrcat level e2
adamc@601 512 | EFfiApp ("Basis", "jsifyString", [e]) => "\"" ^ deStrcat (level + 1) e ^ "\""
adamc@601 513 | _ => (Print.prefaces "deStrcat" [("e", MonoPrint.p_exp MonoEnv.empty all)];
adamc@601 514 raise Fail "Jscomp: deStrcat")
adamc@590 515
adamc@590 516 val quoteExp = quoteExp loc
adamc@567 517 in
adamc@801 518 (*Print.prefaces "jsE" [("e", MonoPrint.p_exp MonoEnv.empty e),
adamc@801 519 ("inner", Print.PD.string (Int.toString inner))];*)
adamc@590 520
adamc@589 521 case #1 e of
adamc@970 522 EPrim p => (strcat [str "{c:\"c\",v:",
adamc@970 523 jsPrim p,
adamc@970 524 str "}"],
adamc@970 525 st)
adamc@589 526 | ERel n =>
adamc@589 527 if n < inner then
adamc@970 528 (str ("{c:\"v\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 529 else
adamc@589 530 let
adamc@589 531 val n = n - inner
adamc@813 532 (*val () = Print.prefaces "quote" [("t", MonoPrint.p_typ MonoEnv.empty
adamc@813 533 (List.nth (outer, n)))]*)
adamc@970 534 val (e, st) = quoteExp (List.nth (outer, n)) ((ERel n, loc), st)
adamc@589 535 in
adamc@970 536 (strcat [str "{c:\"c\",v:",
adamc@970 537 e,
adamc@970 538 str "}"], st)
adamc@589 539 end
adamc@567 540
adamc@589 541 | ENamed n =>
adamc@589 542 let
adamc@589 543 val st =
adamc@589 544 if IS.member (#included st, n) then
adamc@589 545 st
adamc@589 546 else
adamc@589 547 case IM.find (nameds, n) of
adamc@589 548 NONE => raise Fail "Jscomp: Unbound ENamed"
adamc@589 549 | SOME e =>
adamc@589 550 let
adamc@589 551 val st = {decls = #decls st,
adamc@589 552 script = #script st,
adamc@595 553 included = IS.add (#included st, n),
adamc@595 554 injectors = #injectors st,
adamc@800 555 listInjectors = #listInjectors st,
adamc@638 556 decoders = #decoders st,
adamc@595 557 maxName = #maxName st}
adamc@578 558
adamc@801 559 val old = e
adamc@970 560 val (e, st) = jsExp mode [] (e, st)
adamc@601 561 val e = deStrcat 0 e
adamc@1262 562 val e = String.translate (fn #"'" => "\\'"
adamc@1262 563 | #"\\" => "\\\\"
adamc@1262 564 | ch => String.str ch) e
adamc@589 565
adamc@1262 566 val sc = "urfuncs[" ^ Int.toString n ^ "] = {c:\"t\",f:'"
adamc@1262 567 ^ e ^ "'};\n"
adamc@589 568 in
adamc@801 569 (*Print.prefaces "jsify'" [("old", MonoPrint.p_exp MonoEnv.empty old),
adamc@801 570 ("new", MonoPrint.p_exp MonoEnv.empty new)];*)
adamc@589 571 {decls = #decls st,
adamc@589 572 script = sc :: #script st,
adamc@595 573 included = #included st,
adamc@595 574 injectors = #injectors st,
adamc@800 575 listInjectors = #listInjectors st,
adamc@638 576 decoders= #decoders st,
adamc@595 577 maxName = #maxName st}
adamc@589 578 end
adamc@589 579 in
adamc@970 580 (str ("{c:\"n\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 581 end
adamc@589 582
adamc@970 583 | ECon (Option, _, NONE) => (str "{c:\"c\",v:null}", st)
adamc@596 584 | ECon (Option, PConVar n, SOME e) =>
adamc@596 585 let
adamc@596 586 val (e, st) = jsE inner (e, st)
adamc@596 587 in
adamc@596 588 case IM.find (someTs, n) of
adamc@596 589 NONE => raise Fail "Jscomp: Not in someTs [2]"
adamc@596 590 | SOME t =>
adamc@596 591 (if isNullable t then
adamc@970 592 strcat [str "{c:\"s\",v:",
adamc@596 593 e,
adamc@596 594 str "}"]
adamc@596 595 else
adamc@596 596 e, st)
adamc@596 597 end
adamc@596 598
adamc@970 599 | ECon (_, pc, NONE) => (strcat [str "{c:\"c\",v:",
adamc@970 600 patCon pc,
adamc@970 601 str "}"],
adamc@970 602 st)
adamc@589 603 | ECon (_, pc, SOME e) =>
adamc@589 604 let
adamc@589 605 val (s, st) = jsE inner (e, st)
adamc@589 606 in
adamc@970 607 (strcat [str "{c:\"1\",n:",
adamc@589 608 patCon pc,
adamc@589 609 str ",v:",
adamc@589 610 s,
adamc@589 611 str "}"], st)
adamc@589 612 end
adamc@596 613
adamc@970 614 | ENone _ => (str "{c:\"c\",v:null}", st)
adamc@589 615 | ESome (t, e) =>
adamc@572 616 let
adamc@572 617 val (e, st) = jsE inner (e, st)
adamc@572 618 in
adamc@589 619 (if isNullable t then
adamc@970 620 strcat [str "{c:\"s\",v:", e, str "}"]
adamc@589 621 else
adamc@589 622 e, st)
adamc@589 623 end
adamc@589 624
adamc@589 625 | EFfi k =>
adamc@589 626 let
adamc@765 627 val name = case Settings.jsFunc k of
adamc@589 628 NONE => (EM.errorAt loc ("Unsupported FFI identifier " ^ #2 k
adamc@589 629 ^ " in JavaScript");
adamc@589 630 "ERROR")
adamc@589 631 | SOME s => s
adamc@589 632 in
adamc@970 633 (str ("{c:\"c\",v:" ^ name ^ "}"), st)
adamc@589 634 end
adamc@970 635 | EFfiApp ("Basis", "sigString", [_]) => (strcat [str "{c:\"c\",v:\"",
adamc@970 636 e,
adamc@970 637 str "\"}"], st)
adamc@589 638 | EFfiApp (m, x, args) =>
adamc@589 639 let
adamc@765 640 val name = case Settings.jsFunc (m, x) of
adamc@589 641 NONE => (EM.errorAt loc ("Unsupported FFI function "
adam@1433 642 ^ m ^ "." ^ x ^ " in JavaScript");
adamc@589 643 "ERROR")
adamc@589 644 | SOME s => s
adamc@970 645
adamc@970 646 val (e, st) = foldr (fn (e, (acc, st)) =>
adamc@970 647 let
adamc@970 648 val (e, st) = jsE inner (e, st)
adamc@970 649 in
adamc@970 650 (strcat [str "cons(",
adamc@970 651 e,
adamc@970 652 str ",",
adamc@970 653 acc,
adamc@970 654 str ")"],
adamc@970 655 st)
adamc@970 656 end)
adamc@970 657 (str "null", st) args
adamc@589 658 in
adamc@1057 659 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:"),
adamc@970 660 e,
adamc@970 661 str "}"],
adamc@970 662 st)
adamc@589 663 end
adamc@589 664
adamc@589 665 | EApp (e1, e2) =>
adamc@589 666 let
adamc@589 667 val (e1, st) = jsE inner (e1, st)
adamc@589 668 val (e2, st) = jsE inner (e2, st)
adamc@589 669 in
adamc@970 670 (strcat [str "{c:\"a\",f:",
adamc@970 671 e1,
adamc@970 672 str ",x:",
adamc@970 673 e2,
adamc@970 674 str "}"], st)
adamc@589 675 end
adamc@589 676 | EAbs (_, _, _, e) =>
adamc@589 677 let
adamc@589 678 val (e, st) = jsE (inner + 1) (e, st)
adamc@589 679 in
adamc@970 680 (strcat [str "{c:\"l\",b:",
adamc@970 681 e,
adamc@970 682 str "}"], st)
adamc@589 683 end
adamc@589 684
adamc@589 685 | EUnop (s, e) =>
adamc@589 686 let
adamc@970 687 val name = case s of
adamc@970 688 "!" => "not"
adamc@970 689 | "-" => "neg"
adamc@980 690 | _ => raise Fail ("Jscomp: Unknown unary operator " ^ s)
adamc@970 691
adamc@589 692 val (e, st) = jsE inner (e, st)
adamc@589 693 in
adamc@1057 694 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:cons("),
adamc@572 695 e,
adamc@970 696 str ",null)}"],
adamc@589 697 st)
adamc@589 698 end
adam@1360 699 | EBinop (bi, s, e1, e2) =>
adamc@589 700 let
adamc@970 701 val name = case s of
adamc@970 702 "==" => "eq"
adamc@970 703 | "!strcmp" => "eq"
adamc@970 704 | "+" => "plus"
adamc@970 705 | "-" => "minus"
adamc@970 706 | "*" => "times"
adam@1360 707 | "/" => (case bi of Int => "divInt" | NotInt => "div")
adam@1360 708 | "%" => (case bi of Int => "modInt" | NotInt => "mod")
adam@1619 709 | "fdiv" => "div"
adam@1619 710 | "fmod" => "mod"
adamc@970 711 | "<" => "lt"
adamc@970 712 | "<=" => "le"
adamc@980 713 | "strcmp" => "strcmp"
adamc@980 714 | _ => raise Fail ("Jscomp: Unknown binary operator " ^ s)
adamc@729 715
adamc@589 716 val (e1, st) = jsE inner (e1, st)
adamc@589 717 val (e2, st) = jsE inner (e2, st)
adamc@589 718 in
adamc@1057 719 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:cons("),
adamc@589 720 e1,
adamc@970 721 str ",cons(",
adamc@589 722 e2,
adamc@970 723 str ",null))}"],
adamc@589 724 st)
adamc@589 725 end
adamc@589 726
adamc@970 727 | ERecord [] => (str "{c:\"c\",v:null}", st)
adamc@970 728 | ERecord xes =>
adamc@589 729 let
adamc@589 730 val (es, st) =
adamc@589 731 foldr (fn ((x, e, _), (es, st)) =>
adamc@589 732 let
adamc@589 733 val (e, st) = jsE inner (e, st)
adamc@589 734 in
adamc@973 735 (strcat [str ("cons({n:\"" ^ x ^ "\",v:"),
adamc@970 736 e,
adamc@970 737 str "},",
adamc@970 738 es,
adamc@970 739 str ")"],
adamc@589 740 st)
adamc@589 741 end)
adamc@970 742 (str "null", st) xes
adamc@589 743 in
adamc@970 744 (strcat [str "{c:\"r\",l:",
adamc@970 745 es,
adamc@970 746 str "}"],
adamc@589 747 st)
adamc@589 748 end
adamc@934 749 | EField (e', x) =>
adamc@589 750 let
adamc@934 751 fun default () =
adamc@934 752 let
adamc@934 753 val (e', st) = jsE inner (e', st)
adamc@934 754 in
adamc@970 755 (strcat [str "{c:\".\",r:",
adamc@970 756 e',
adamc@970 757 str (",f:\"" ^ x ^ "\"}")], st)
adamc@934 758 end
adamc@934 759
adamc@934 760 fun seek (e, xs) =
adamc@934 761 case #1 e of
adamc@934 762 ERel n =>
adamc@934 763 if n < inner then
adamc@934 764 default ()
adamc@934 765 else
adamc@934 766 let
adamc@934 767 val n = n - inner
adamc@934 768 val t = List.nth (outer, n)
adamc@934 769 val t = foldl (fn (x, (TRecord xts, _)) =>
adamc@934 770 (case List.find (fn (x', _) => x' = x) xts of
adamc@934 771 NONE => raise Fail "Jscomp: Bad seek [1]"
adamc@934 772 | SOME (_, t) => t)
adamc@934 773 | _ => raise Fail "Jscomp: Bad seek [2]")
adamc@934 774 t xs
adamc@934 775
adamc@934 776 val e = (ERel n, loc)
adamc@934 777 val e = foldl (fn (x, e) => (EField (e, x), loc)) e xs
adamc@970 778 val (e, st) = quoteExp t (e, st)
adamc@934 779 in
adamc@970 780 (strcat [str "{c:\"c\",v:",
adamc@970 781 e,
adamc@970 782 str "}"],
adamc@970 783 st)
adamc@934 784 end
adamc@934 785 | EField (e', x) => seek (e', x :: xs)
adamc@934 786 | _ => default ()
adamc@589 787 in
adamc@934 788 seek (e', [x])
adamc@934 789 end
adamc@589 790
adamc@970 791 | ECase (e', pes, _) =>
adamc@801 792 let
adamc@970 793 val (e', st) = jsE inner (e', st)
adamc@589 794
adamc@970 795 val (ps, st) =
adamc@970 796 foldr (fn ((p, e), (ps, st)) =>
adamc@970 797 let
adamc@974 798 val (e, st) = jsE (inner + E.patBindsN p) (e, st)
adamc@970 799 in
adamc@970 800 (strcat [str "cons({p:",
adamc@970 801 jsPat p,
adamc@970 802 str ",b:",
adamc@970 803 e,
adamc@970 804 str "},",
adamc@970 805 ps,
adamc@970 806 str ")"],
adamc@970 807 st)
adamc@970 808 end)
adamc@970 809 (str "null", st) pes
adamc@801 810 in
adamc@970 811 (strcat [str "{c:\"m\",e:",
adamc@974 812 e',
adamc@970 813 str ",p:",
adamc@970 814 ps,
adamc@970 815 str "}"], st)
adamc@801 816 end
adamc@589 817
adamc@589 818 | EStrcat (e1, e2) =>
adamc@589 819 let
adamc@589 820 val (e1, st) = jsE inner (e1, st)
adamc@589 821 val (e2, st) = jsE inner (e2, st)
adamc@589 822 in
adamc@1057 823 (strcat [str "{c:\"f\",f:\"cat\",a:cons(", e1, str ",cons(", e2, str ",null))}"], st)
adamc@589 824 end
adamc@589 825
adamc@589 826 | EError (e, _) =>
adamc@589 827 let
adamc@589 828 val (e, st) = jsE inner (e, st)
adamc@589 829 in
adamc@1057 830 (strcat [str "{c:\"f\",f:\"er\",a:cons(", e, str ",null)}"],
adamc@589 831 st)
adamc@589 832 end
adamc@589 833
adamc@589 834 | ESeq (e1, e2) =>
adamc@589 835 let
adamc@589 836 val (e1, st) = jsE inner (e1, st)
adamc@589 837 val (e2, st) = jsE inner (e2, st)
adamc@589 838 in
adamc@970 839 (strcat [str "{c:\";\",e1:", e1, str ",e2:", e2, str "}"], st)
adamc@589 840 end
adamc@589 841 | ELet (_, _, e1, e2) =>
adamc@589 842 let
adamc@589 843 val (e1, st) = jsE inner (e1, st)
adamc@589 844 val (e2, st) = jsE (inner + 1) (e2, st)
adamc@589 845 in
adamc@970 846 (strcat [str "{c:\"=\",e1:",
adamc@589 847 e1,
adamc@970 848 str ",e2:",
adamc@589 849 e2,
adamc@970 850 str "}"], st)
adamc@572 851 end
adamc@589 852
adamc@815 853 | EJavaScript (Source _, e) =>
adamc@794 854 (foundJavaScript := true;
adamc@815 855 jsE inner (e, st))
adamc@815 856 | EJavaScript (_, e) =>
adamc@815 857 let
adamc@815 858 val (e, st) = jsE inner (e, st)
adamc@815 859 in
adamc@815 860 foundJavaScript := true;
adamc@970 861 (strcat [str "{c:\"e\",e:",
adamc@970 862 e,
adamc@970 863 str "}"],
adamc@815 864 st)
adamc@815 865 end
adamc@590 866
adamc@970 867 | EWrite _ => unsupported "EWrite"
adamc@589 868 | EClosure _ => unsupported "EClosure"
adamc@589 869 | EQuery _ => unsupported "Query"
adamc@589 870 | EDml _ => unsupported "DML"
adamc@589 871 | ENextval _ => unsupported "Nextval"
adamc@1073 872 | ESetval _ => unsupported "Nextval"
adamc@1112 873 | EReturnBlob _ => unsupported "EReturnBlob"
adam@1385 874
adam@1385 875 | ERedirect (e, _) =>
adam@1385 876 let
adam@1385 877 val (e, st) = jsE inner (e, st)
adam@1385 878 in
adam@1385 879 (strcat [str "{c:\"f\",f:\"redirect\",a:cons(",
adam@1385 880 e,
adam@1385 881 str ",null)}"],
adam@1385 882 st)
adam@1385 883 end
adam@1385 884
adamc@1112 885 | EUnurlify (_, _, true) => unsupported "EUnurlify"
adamc@590 886
adamc@1112 887 | EUnurlify (e, t, false) =>
adamc@1111 888 let
adamc@1111 889 val (e, st) = jsE inner (e, st)
adamc@1111 890 val (e', st) = unurlifyExp loc (t, st)
adamc@1111 891 in
adamc@1111 892 (strcat [str ("{c:\"f\",f:\"unurlify\",a:cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1111 893 ^ e' ^ "}},cons("),
adamc@1111 894 e,
adamc@1111 895 str ",null))}"],
adamc@1111 896 st)
adamc@1111 897 end
adamc@1111 898
adamc@589 899 | ESignalReturn e =>
adamc@572 900 let
adamc@572 901 val (e, st) = jsE inner (e, st)
adamc@572 902 in
adamc@1057 903 (strcat [str "{c:\"f\",f:\"sr\",a:cons(",
adamc@589 904 e,
adamc@970 905 str ",null)}"],
adamc@589 906 st)
adamc@589 907 end
adamc@589 908 | ESignalBind (e1, e2) =>
adamc@589 909 let
adamc@589 910 val (e1, st) = jsE inner (e1, st)
adamc@589 911 val (e2, st) = jsE inner (e2, st)
adamc@589 912 in
adamc@1057 913 (strcat [str "{c:\"f\",f:\"sb\",a:cons(",
adamc@589 914 e1,
adamc@976 915 str ",cons(",
adamc@589 916 e2,
adamc@976 917 str ",null))}"],
adamc@589 918 st)
adamc@589 919 end
adamc@589 920 | ESignalSource e =>
adamc@589 921 let
adamc@589 922 val (e, st) = jsE inner (e, st)
adamc@589 923 in
adamc@1057 924 (strcat [str "{c:\"f\",f:\"ss\",a:cons(",
adamc@589 925 e,
adamc@970 926 str ",null)}"],
adamc@589 927 st)
adamc@572 928 end
adamc@608 929
adamc@1020 930 | EServerCall (e, t, eff) =>
adamc@609 931 let
adamc@614 932 val (e, st) = jsE inner (e, st)
adamc@613 933 val (unurl, st) = unurlifyExp loc (t, st)
adamc@609 934 in
adamc@1057 935 (strcat [str ("{c:\"f\",f:\"rc\",a:cons({c:\"c\",v:\""
adamc@970 936 ^ Settings.getUrlPrefix ()
adamc@970 937 ^ "\"},cons("),
adamc@614 938 e,
adamc@970 939 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1020 940 ^ unurl ^ "}},cons({c:\"K\"},cons({c:\"c\",v:"
adamc@736 941 ^ (case eff of
adamc@736 942 ReadCookieWrite => "true"
adamc@736 943 | _ => "false")
adamc@978 944 ^ "},null)))))}")],
adamc@609 945 st)
adamc@609 946 end
adamc@670 947
adamc@1021 948 | ERecv (e, t) =>
adamc@670 949 let
adamc@670 950 val (e, st) = jsE inner (e, st)
adamc@670 951 val (unurl, st) = unurlifyExp loc (t, st)
adamc@670 952 in
adamc@1057 953 (strcat [str ("{c:\"f\",f:\"rv\",a:cons("),
adamc@670 954 e,
adamc@970 955 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1021 956 ^ unurl ^ "}},cons({c:\"K\"},null)))}")],
adamc@670 957 st)
adamc@670 958 end
adamc@695 959
adamc@1021 960 | ESleep e =>
adamc@695 961 let
adamc@695 962 val (e, st) = jsE inner (e, st)
adamc@695 963 in
adamc@1057 964 (strcat [str "{c:\"f\",f:\"sl\",a:cons(",
adamc@978 965 e,
adamc@1021 966 str ",cons({c:\"K\"},null))}"],
adamc@1021 967 st)
adamc@1021 968 end
adamc@1021 969
adamc@1021 970 | ESpawn e =>
adamc@1021 971 let
adamc@1021 972 val (e, st) = jsE inner (e, st)
adamc@1021 973 in
adamc@1057 974 (strcat [str "{c:\"f\",f:\"sp\",a:cons(",
adamc@1021 975 e,
adamc@1021 976 str ",null)}"],
adamc@695 977 st)
adamc@695 978 end
adamc@567 979 end
adamc@589 980 in
adamc@970 981 jsE 0
adamc@589 982 end
adamc@567 983
adamc@815 984 fun patBinds ((p, _), env) =
adamc@815 985 case p of
adamc@815 986 PWild => env
adamc@815 987 | PVar (_, t) => t :: env
adamc@815 988 | PPrim _ => env
adamc@815 989 | PCon (_, _, NONE) => env
adamc@815 990 | PCon (_, _, SOME p) => patBinds (p, env)
adamc@815 991 | PRecord xpts => foldl (fn ((_, p, _), env) => patBinds (p, env)) env xpts
adamc@815 992 | PNone _ => env
adamc@815 993 | PSome (_, p) => patBinds (p, env)
adamc@815 994
adamc@815 995 fun exp outer (e as (_, loc), st) =
adamc@815 996 ((*Print.preface ("exp", MonoPrint.p_exp MonoEnv.empty e);*)
adamc@815 997 case #1 e of
adamc@847 998 EPrim p =>
adamc@847 999 (case p of
adamc@847 1000 Prim.String s => if inString {needle = "<script", haystack = s} then
adamc@847 1001 foundJavaScript := true
adamc@847 1002 else
adamc@847 1003 ()
adamc@847 1004 | _ => ();
adamc@847 1005 (e, st))
adamc@815 1006 | ERel _ => (e, st)
adamc@815 1007 | ENamed _ => (e, st)
adamc@815 1008 | ECon (_, _, NONE) => (e, st)
adamc@815 1009 | ECon (dk, pc, SOME e) =>
adamc@815 1010 let
adamc@815 1011 val (e, st) = exp outer (e, st)
adamc@815 1012 in
adamc@815 1013 ((ECon (dk, pc, SOME e), loc), st)
adamc@815 1014 end
adamc@815 1015 | ENone _ => (e, st)
adamc@815 1016 | ESome (t, e) =>
adamc@815 1017 let
adamc@815 1018 val (e, st) = exp outer (e, st)
adamc@815 1019 in
adamc@815 1020 ((ESome (t, e), loc), st)
adamc@815 1021 end
adamc@815 1022 | EFfi _ => (e, st)
adamc@815 1023 | EFfiApp (m, x, es) =>
adamc@815 1024 let
adamc@815 1025 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1026 in
adamc@815 1027 ((EFfiApp (m, x, es), loc), st)
adamc@815 1028 end
adamc@815 1029 | EApp (e1, e2) =>
adamc@815 1030 let
adamc@815 1031 val (e1, st) = exp outer (e1, st)
adamc@815 1032 val (e2, st) = exp outer (e2, st)
adamc@815 1033 in
adamc@815 1034 ((EApp (e1, e2), loc), st)
adamc@815 1035 end
adamc@815 1036 | EAbs (x, dom, ran, e) =>
adamc@815 1037 let
adamc@815 1038 val (e, st) = exp (dom :: outer) (e, st)
adamc@815 1039 in
adamc@815 1040 ((EAbs (x, dom, ran, e), loc), st)
adamc@815 1041 end
adamc@815 1042
adamc@815 1043 | EUnop (s, e) =>
adamc@815 1044 let
adamc@815 1045 val (e, st) = exp outer (e, st)
adamc@815 1046 in
adamc@815 1047 ((EUnop (s, e), loc), st)
adamc@815 1048 end
adam@1360 1049 | EBinop (bi, s, e1, e2) =>
adamc@815 1050 let
adamc@815 1051 val (e1, st) = exp outer (e1, st)
adamc@815 1052 val (e2, st) = exp outer (e2, st)
adamc@815 1053 in
adam@1360 1054 ((EBinop (bi, s, e1, e2), loc), st)
adamc@815 1055 end
adamc@815 1056
adamc@815 1057 | ERecord xets =>
adamc@815 1058 let
adamc@815 1059 val (xets, st) = ListUtil.foldlMap (fn ((x, e, t), st) =>
adamc@815 1060 let
adamc@815 1061 val (e, st) = exp outer (e, st)
adamc@815 1062 in
adamc@815 1063 ((x, e, t), st)
adamc@815 1064 end) st xets
adamc@815 1065 in
adamc@815 1066 ((ERecord xets, loc), st)
adamc@815 1067 end
adamc@815 1068 | EField (e, s) =>
adamc@815 1069 let
adamc@815 1070 val (e, st) = exp outer (e, st)
adamc@815 1071 in
adamc@815 1072 ((EField (e, s), loc), st)
adamc@815 1073 end
adamc@815 1074
adamc@815 1075 | ECase (e, pes, ts) =>
adamc@815 1076 let
adamc@815 1077 val (e, st) = exp outer (e, st)
adamc@815 1078 val (pes, st) = ListUtil.foldlMap (fn ((p, e), st) =>
adamc@815 1079 let
adamc@815 1080 val (e, st) = exp (patBinds (p, outer)) (e, st)
adamc@815 1081 in
adamc@815 1082 ((p, e), st)
adamc@815 1083 end) st pes
adamc@815 1084 in
adamc@815 1085 ((ECase (e, pes, ts), loc), st)
adamc@815 1086 end
adamc@815 1087
adamc@815 1088 | EStrcat (e1, e2) =>
adamc@815 1089 let
adamc@815 1090 val (e1, st) = exp outer (e1, st)
adamc@815 1091 val (e2, st) = exp outer (e2, st)
adamc@815 1092 in
adamc@815 1093 ((EStrcat (e1, e2), loc), st)
adamc@815 1094 end
adamc@815 1095
adamc@815 1096 | EError (e, t) =>
adamc@815 1097 let
adamc@815 1098 val (e, st) = exp outer (e, st)
adamc@815 1099 in
adamc@815 1100 ((EError (e, t), loc), st)
adamc@815 1101 end
adamc@815 1102 | EReturnBlob {blob, mimeType, t} =>
adamc@815 1103 let
adamc@815 1104 val (blob, st) = exp outer (blob, st)
adamc@815 1105 val (mimeType, st) = exp outer (mimeType, st)
adamc@815 1106 in
adamc@815 1107 ((EReturnBlob {blob = blob, mimeType = mimeType, t = t}, loc), st)
adamc@815 1108 end
adamc@1065 1109 | ERedirect (e, t) =>
adamc@1065 1110 let
adamc@1065 1111 val (e, st) = exp outer (e, st)
adamc@1065 1112 in
adamc@1065 1113 ((ERedirect (e, t), loc), st)
adamc@1065 1114 end
adamc@815 1115
adamc@815 1116 | EWrite e =>
adamc@815 1117 let
adamc@815 1118 val (e, st) = exp outer (e, st)
adamc@815 1119 in
adamc@815 1120 ((EWrite e, loc), st)
adamc@815 1121 end
adamc@815 1122 | ESeq (e1, e2) =>
adamc@815 1123 let
adamc@815 1124 val (e1, st) = exp outer (e1, st)
adamc@815 1125 val (e2, st) = exp outer (e2, st)
adamc@815 1126 in
adamc@815 1127 ((ESeq (e1, e2), loc), st)
adamc@815 1128 end
adamc@815 1129 | ELet (x, t, e1, e2) =>
adamc@815 1130 let
adamc@815 1131 val (e1, st) = exp outer (e1, st)
adamc@815 1132 val (e2, st) = exp (t :: outer) (e2, st)
adamc@815 1133 in
adamc@815 1134 ((ELet (x, t, e1, e2), loc), st)
adamc@815 1135 end
adamc@815 1136
adamc@815 1137 | EClosure (n, es) =>
adamc@815 1138 let
adamc@815 1139 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1140 in
adamc@815 1141 ((EClosure (n, es), loc), st)
adamc@815 1142 end
adamc@815 1143
adamc@815 1144 | EQuery {exps, tables, state, query, body, initial} =>
adamc@815 1145 let
adamc@934 1146 val row = exps @ map (fn (x, xts) => (x, (TRecord xts, loc))) tables
adamc@934 1147 val row = ListMergeSort.sort (fn ((x, _), (y, _)) => String.compare (x, y) = GREATER) row
adamc@934 1148 val row = (TRecord row, loc)
adamc@934 1149
adamc@815 1150 val (query, st) = exp outer (query, st)
adamc@934 1151 val (body, st) = exp (state :: row :: outer) (body, st)
adamc@815 1152 val (initial, st) = exp outer (initial, st)
adamc@815 1153 in
adamc@815 1154 ((EQuery {exps = exps, tables = tables, state = state,
adamc@815 1155 query = query, body = body, initial = initial}, loc), st)
adamc@815 1156 end
adam@1293 1157 | EDml (e, mode) =>
adamc@815 1158 let
adamc@815 1159 val (e, st) = exp outer (e, st)
adamc@815 1160 in
adam@1293 1161 ((EDml (e, mode), loc), st)
adamc@815 1162 end
adamc@815 1163 | ENextval e =>
adamc@815 1164 let
adamc@815 1165 val (e, st) = exp outer (e, st)
adamc@815 1166 in
adamc@815 1167 ((ENextval e, loc), st)
adamc@815 1168 end
adamc@1073 1169 | ESetval (e1, e2) =>
adamc@1073 1170 let
adamc@1073 1171 val (e1, st) = exp outer (e1, st)
adamc@1073 1172 val (e2, st) = exp outer (e2, st)
adamc@1073 1173 in
adamc@1073 1174 ((ESetval (e1, e2), loc), st)
adamc@1073 1175 end
adamc@815 1176
adamc@1112 1177 | EUnurlify (e, t, b) =>
adamc@815 1178 let
adamc@815 1179 val (e, st) = exp outer (e, st)
adamc@815 1180 in
adamc@1112 1181 ((EUnurlify (e, t, b), loc), st)
adamc@815 1182 end
adamc@815 1183
adam@1422 1184 | EJavaScript (m as Source t, e') =>
adam@1422 1185 (foundJavaScript := true;
adam@1422 1186 let
adam@1422 1187 val (x', st) = jsExp m (t :: outer) ((ERel 0, loc), st)
adam@1422 1188 in
adam@1422 1189 ((ELet ("x", t, e', x'), loc), st)
adam@1422 1190 end
adam@1445 1191 handle CantEmbed _ =>
adam@1445 1192 (jsExp m outer (e', st)
adam@1445 1193 handle CantEmbed t => ((*ErrorMsg.errorAt loc "Unable to embed type in JavaScript";
adam@1445 1194 Print.preface ("Type",
adam@1445 1195 MonoPrint.p_typ MonoEnv.empty t);*)
adam@1445 1196 (e, st))))
adam@1422 1197
adamc@815 1198 | EJavaScript (m, e') =>
adamc@970 1199 (foundJavaScript := true;
adamc@970 1200 jsExp m outer (e', st)
adamc@1258 1201 handle CantEmbed t => ((*ErrorMsg.errorAt loc "Unable to embed type in JavaScript";
adamc@1258 1202 Print.preface ("Type",
adamc@1258 1203 MonoPrint.p_typ MonoEnv.empty t);*)
adamc@1176 1204 (e, st)))
adamc@815 1205
adamc@815 1206 | ESignalReturn e =>
adamc@815 1207 let
adamc@815 1208 val (e, st) = exp outer (e, st)
adamc@815 1209 in
adamc@815 1210 ((ESignalReturn e, loc), st)
adamc@815 1211 end
adamc@815 1212 | ESignalBind (e1, e2) =>
adamc@815 1213 let
adamc@815 1214 val (e1, st) = exp outer (e1, st)
adamc@815 1215 val (e2, st) = exp outer (e2, st)
adamc@815 1216 in
adamc@815 1217 ((ESignalBind (e1, e2), loc), st)
adamc@815 1218 end
adamc@815 1219 | ESignalSource e =>
adamc@815 1220 let
adamc@815 1221 val (e, st) = exp outer (e, st)
adamc@815 1222 in
adamc@815 1223 ((ESignalSource e, loc), st)
adamc@815 1224 end
adamc@815 1225
adamc@1020 1226 | EServerCall (e1, t, ef) =>
adamc@815 1227 let
adamc@815 1228 val (e1, st) = exp outer (e1, st)
adamc@815 1229 in
adamc@1020 1230 ((EServerCall (e1, t, ef), loc), st)
adamc@815 1231 end
adamc@1021 1232 | ERecv (e1, t) =>
adamc@815 1233 let
adamc@815 1234 val (e1, st) = exp outer (e1, st)
adamc@815 1235 in
adamc@1021 1236 ((ERecv (e1, t), loc), st)
adamc@815 1237 end
adamc@1021 1238 | ESleep e1 =>
adamc@815 1239 let
adamc@815 1240 val (e1, st) = exp outer (e1, st)
adamc@815 1241 in
adamc@1021 1242 ((ESleep e1, loc), st)
adamc@1021 1243 end
adamc@1021 1244 | ESpawn e1 =>
adamc@1021 1245 let
adamc@1021 1246 val (e1, st) = exp outer (e1, st)
adamc@1021 1247 in
adamc@1021 1248 ((ESpawn e1, loc), st)
adamc@815 1249 end)
adamc@815 1250
adamc@815 1251 fun decl (d as (_, loc), st) =
adamc@815 1252 case #1 d of
adamc@815 1253 DVal (x, n, t, e, s) =>
adamc@815 1254 let
adamc@815 1255 val (e, st) = exp [] (e, st)
adamc@815 1256 in
adamc@815 1257 ((DVal (x, n, t, e, s), loc), st)
adamc@815 1258 end
adamc@815 1259 | DValRec vis =>
adamc@815 1260 let
adamc@815 1261 val (vis, st) = ListUtil.foldlMap (fn ((x, n, t, e, s), st) =>
adamc@815 1262 let
adamc@815 1263 val (e, st) = exp [] (e, st)
adamc@815 1264 in
adamc@815 1265 ((x, n, t, e, s), st)
adamc@815 1266 end) st vis
adamc@815 1267 in
adamc@815 1268 ((DValRec vis, loc), st)
adamc@815 1269 end
adamc@815 1270 | _ => (d, st)
adamc@567 1271
adamc@567 1272 fun doDecl (d, st) =
adamc@567 1273 let
adamc@815 1274 (*val () = Print.preface ("doDecl", MonoPrint.p_decl MonoEnv.empty d)*)
adamc@815 1275 val (d, st) = decl (d, st)
adamc@840 1276
adamc@840 1277 val ds =
adamc@840 1278 case #decls st of
adamc@840 1279 [] => [d]
adamc@840 1280 | vis => [(DValRec vis, #2 d), d]
adamc@567 1281 in
adamc@840 1282 (ds,
adamc@567 1283 {decls = [],
adamc@589 1284 script = #script st,
adamc@595 1285 included = #included st,
adamc@595 1286 injectors = #injectors st,
adamc@800 1287 listInjectors = #listInjectors st,
adamc@638 1288 decoders = #decoders st,
adamc@595 1289 maxName = #maxName st})
adamc@567 1290 end
adamc@567 1291
adamc@567 1292 val (ds, st) = ListUtil.foldlMapConcat doDecl
adamc@567 1293 {decls = [],
adamc@589 1294 script = [],
adamc@595 1295 included = IS.empty,
adamc@595 1296 injectors = IM.empty,
adamc@800 1297 listInjectors = TM.empty,
adamc@638 1298 decoders = IM.empty,
adamc@595 1299 maxName = U.File.maxName file + 1}
adamc@815 1300 file
adamc@569 1301
adamc@569 1302 val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.libJs, file = "urweb.js"})
adamc@569 1303 fun lines acc =
adamc@569 1304 case TextIO.inputLine inf of
adamc@569 1305 NONE => String.concat (rev acc)
adamc@569 1306 | SOME line => lines (line :: acc)
adamc@569 1307 val lines = lines []
adamc@794 1308
adamc@1323 1309 val urlRules = foldr (fn (r, s) =>
adamc@1323 1310 "cons({allow:"
adamc@1323 1311 ^ (if #action r = Settings.Allow then "true" else "false")
adamc@1323 1312 ^ ",prefix:"
adamc@1323 1313 ^ (if #kind r = Settings.Prefix then "true" else "false")
adamc@1323 1314 ^ ",pattern:\""
adamc@1323 1315 ^ #pattern r
adamc@1323 1316 ^ "\"},"
adamc@1323 1317 ^ s
adamc@1323 1318 ^ ")") "null" (Settings.getUrlRules ())
adamc@1323 1319
adamc@1323 1320 val urlRules = "urlRules = " ^ urlRules ^ ";\n\n"
adamc@1323 1321
adamc@794 1322 val script =
adamc@794 1323 if !foundJavaScript then
adamc@1323 1324 lines ^ urlRules ^ String.concat (rev (#script st))
adamc@794 1325 else
adamc@794 1326 ""
adamc@567 1327 in
adamc@569 1328 TextIO.closeIn inf;
adamc@794 1329 (DJavaScript script, ErrorMsg.dummySpan) :: ds
adamc@567 1330 end
adamc@567 1331
adamc@567 1332 end