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Catching lame FFI applications
author Adam Chlipala <adamc@hcoop.net>
date Tue, 13 Apr 2010 11:15:43 -0400
parents 26fed2c4f5be
children 78b36c50daf9
rev   line source
adamc@1177 1 (* Copyright (c) 2008-2010, 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
adamc@593 94 TSource => (strcat loc [str loc "s",
adamc@593 95 (EFfiApp ("Basis", "htmlifyInt", [e]), loc)], st)
adamc@590 96
adamc@593 97 | TRecord [] => (str loc "null", st)
adamc@593 98 | TRecord [(x, t)] =>
adamc@593 99 let
adamc@593 100 val (e, st) = quoteExp loc t ((EField (e, x), loc), st)
adamc@593 101 in
adamc@593 102 (strcat loc [str loc ("{_" ^ x ^ ":"),
adamc@593 103 e,
adamc@593 104 str loc "}"], st)
adamc@593 105 end
adamc@593 106 | TRecord ((x, t) :: xts) =>
adamc@593 107 let
adamc@593 108 val (e', st) = quoteExp loc t ((EField (e, x), loc), st)
adamc@593 109 val (es, st) = ListUtil.foldlMap
adamc@593 110 (fn ((x, t), st) =>
adamc@593 111 let
adamc@593 112 val (e, st) = quoteExp loc t ((EField (e, x), loc), st)
adamc@593 113 in
adamc@593 114 (strcat loc [str loc (",_" ^ x ^ ":"), e], st)
adamc@593 115 end)
adamc@593 116 st xts
adamc@593 117 in
adamc@593 118 (strcat loc (str loc ("{_" ^ x ^ ":")
adamc@593 119 :: e'
adamc@593 120 :: es
adamc@593 121 @ [str loc "}"]), st)
adamc@593 122 end
adamc@590 123
adamc@593 124 | TFfi ("Basis", "string") => ((EFfiApp ("Basis", "jsifyString", [e]), loc), st)
adamc@1025 125 | TFfi ("Basis", "char") => ((EFfiApp ("Basis", "jsifyChar", [e]), loc), st)
adamc@593 126 | TFfi ("Basis", "int") => ((EFfiApp ("Basis", "htmlifyInt", [e]), loc), st)
adamc@593 127 | TFfi ("Basis", "float") => ((EFfiApp ("Basis", "htmlifyFloat", [e]), loc), st)
adamc@682 128 | TFfi ("Basis", "channel") => ((EFfiApp ("Basis", "jsifyChannel", [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),
adamc@911 188 strcat loc [str loc ((if isNullable t' then
adamc@911 189 "{v:"
adamc@911 190 else
adamc@911 191 "") ^ "{_1:"),
adamc@800 192 e',
adamc@800 193 str loc ",_2:",
adamc@800 194 (EApp ((ENamed n', loc),
adamc@800 195 (EField ((ERel 0, loc), "2"), loc)), loc),
adamc@911 196 str loc ((if isNullable t' then
adamc@911 197 "}"
adamc@911 198 else
adamc@911 199 "") ^ "}")])],
adamc@800 200 {disc = t, result = s}), loc)
adamc@800 201 val body = (EAbs ("x", t, s, body), loc)
adamc@800 202
adamc@840 203 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 204 body, "jsify") :: #decls st,
adamc@800 205 script = #script st,
adamc@800 206 included = #included st,
adamc@800 207 injectors = #injectors st,
adamc@800 208 listInjectors = #listInjectors st,
adamc@800 209 decoders= #decoders st,
adamc@800 210 maxName = #maxName st}
adamc@800 211
adamc@800 212
adamc@800 213 in
adamc@800 214 ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 215 end)
adamc@800 216
adamc@595 217 | TDatatype (n, ref (dk, cs)) =>
adamc@595 218 (case IM.find (#injectors st, n) of
adamc@595 219 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 220 | NONE =>
adamc@595 221 let
adamc@595 222 val n' = #maxName st
adamc@595 223 val st = {decls = #decls st,
adamc@595 224 script = #script st,
adamc@595 225 included = #included st,
adamc@595 226 injectors = IM.insert (#injectors st, n, n'),
adamc@800 227 listInjectors = #listInjectors st,
adamc@638 228 decoders = #decoders st,
adamc@595 229 maxName = n' + 1}
adamc@595 230
adamc@595 231 val (pes, st) = ListUtil.foldlMap
adamc@595 232 (fn ((_, cn, NONE), st) =>
adamc@595 233 (((PCon (dk, PConVar cn, NONE), loc),
adamc@596 234 case dk of
adamc@596 235 Option => str loc "null"
adamc@596 236 | _ => str loc (Int.toString cn)),
adamc@595 237 st)
adamc@595 238 | ((_, cn, SOME t), st) =>
adamc@595 239 let
adamc@595 240 val (e, st) = quoteExp loc t ((ERel 0, loc), st)
adamc@595 241 in
adamc@595 242 (((PCon (dk, PConVar cn, SOME (PVar ("x", t), loc)), loc),
adamc@596 243 case dk of
adamc@596 244 Option =>
adamc@596 245 if isNullable t then
adamc@638 246 strcat loc [str loc "{v:",
adamc@596 247 e,
adamc@596 248 str loc "}"]
adamc@596 249 else
adamc@596 250 e
adamc@597 251 | _ => strcat loc [str loc ("{n:" ^ Int.toString cn
adamc@597 252 ^ ",v:"),
adamc@597 253 e,
adamc@597 254 str loc "}"]),
adamc@595 255 st)
adamc@595 256 end)
adamc@595 257 st cs
adamc@595 258
adamc@595 259 val s = (TFfi ("Basis", "string"), loc)
adamc@595 260 val body = (ECase ((ERel 0, loc), pes,
adamc@595 261 {disc = t, result = s}), loc)
adamc@595 262 val body = (EAbs ("x", t, s, body), loc)
adamc@595 263
adamc@840 264 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 265 body, "jsify") :: #decls st,
adamc@595 266 script = #script st,
adamc@595 267 included = #included st,
adamc@595 268 injectors = #injectors st,
adamc@800 269 listInjectors = #listInjectors st,
adamc@638 270 decoders= #decoders st,
adamc@595 271 maxName = #maxName st}
adamc@595 272 in
adamc@595 273 ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 274 end)
adamc@595 275
adamc@834 276 | _ => ((*Print.prefaces "Can't embed" [("t", MonoPrint.p_typ MonoEnv.empty t)];*)
adamc@834 277 raise CantEmbed t)
adamc@590 278
adamc@613 279 fun unurlifyExp loc (t : typ, st) =
adamc@613 280 case #1 t of
adamc@613 281 TRecord [] => ("null", st)
adamc@910 282 | TFfi ("Basis", "unit") => ("null", st)
adamc@613 283 | TRecord [(x, t)] =>
adamc@613 284 let
adamc@613 285 val (e, st) = unurlifyExp loc (t, st)
adamc@613 286 in
adamc@613 287 ("{_" ^ x ^ ":" ^ e ^ "}",
adamc@613 288 st)
adamc@613 289 end
adamc@613 290 | TRecord ((x, t) :: xts) =>
adamc@613 291 let
adamc@613 292 val (e', st) = unurlifyExp loc (t, st)
adamc@613 293 val (es, st) = ListUtil.foldlMap
adamc@638 294 (fn ((x, t), st) =>
adamc@638 295 let
adamc@638 296 val (e, st) = unurlifyExp loc (t, st)
adamc@638 297 in
adamc@638 298 (",_" ^ x ^ ":" ^ e, st)
adamc@638 299 end)
adamc@638 300 st xts
adamc@613 301 in
adamc@613 302 (String.concat ("{_"
adamc@613 303 :: x
adamc@613 304 :: ":"
adamc@613 305 :: e'
adamc@613 306 :: es
adamc@613 307 @ ["}"]), st)
adamc@613 308 end
adamc@613 309
adamc@679 310 | TFfi ("Basis", "string") => ("uu(t[i++])", st)
adamc@1025 311 | TFfi ("Basis", "char") => ("uu(t[i++])", st)
adamc@613 312 | TFfi ("Basis", "int") => ("parseInt(t[i++])", st)
adamc@613 313 | TFfi ("Basis", "float") => ("parseFloat(t[i++])", st)
adamc@682 314 | TFfi ("Basis", "channel") => ("(t[i++].length > 0 ? parseInt(t[i]) : null)", st)
adamc@613 315
adamc@912 316 | TFfi ("Basis", "bool") => ("t[i++] == \"1\"", st)
adamc@613 317
adamc@638 318 | TOption t =>
adamc@613 319 let
adamc@638 320 val (e, st) = unurlifyExp loc (t, st)
adamc@638 321 val e = if isNullable t then
adamc@638 322 "{v:" ^ e ^ "}"
adamc@638 323 else
adamc@638 324 e
adamc@613 325 in
adamc@703 326 ("(t[i++]==\"Some\"?" ^ e ^ ":null)", st)
adamc@638 327 end
adamc@613 328
adamc@905 329 | TList t =>
adamc@905 330 let
adamc@905 331 val (e, st) = unurlifyExp loc (t, st)
adamc@905 332 in
adamc@905 333 ("uul(function(){return t[i++];},function(){return " ^ e ^ "})", st)
adamc@905 334 end
adamc@905 335
adamc@638 336 | TDatatype (n, ref (dk, cs)) =>
adamc@638 337 (case IM.find (#decoders st, n) of
adamc@638 338 SOME n' => ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@613 339 | NONE =>
adamc@613 340 let
adamc@613 341 val n' = #maxName st
adamc@613 342 val st = {decls = #decls st,
adamc@613 343 script = #script st,
adamc@613 344 included = #included st,
adamc@638 345 injectors = #injectors st,
adamc@800 346 listInjectors = #listInjectors st,
adamc@638 347 decoders = IM.insert (#decoders st, n, n'),
adamc@613 348 maxName = n' + 1}
adamc@613 349
adamc@638 350 val (e, st) = foldl (fn ((x, cn, NONE), (e, st)) =>
adamc@638 351 ("x==\"" ^ x ^ "\"?"
adamc@638 352 ^ (case dk of
adamc@638 353 Option => "null"
adamc@638 354 | _ => Int.toString cn)
adamc@638 355 ^ ":" ^ e,
adamc@613 356 st)
adamc@638 357 | ((x, cn, SOME t), (e, st)) =>
adamc@613 358 let
adamc@638 359 val (e', st) = unurlifyExp loc (t, st)
adamc@613 360 in
adamc@638 361 ("x==\"" ^ x ^ "\"?"
adamc@638 362 ^ (case dk of
adamc@638 363 Option =>
adamc@638 364 if isNullable t then
adamc@638 365 "{v:" ^ e' ^ "}"
adamc@638 366 else
adamc@638 367 e'
adamc@638 368 | _ => "{n:" ^ Int.toString cn ^ ",v:" ^ e' ^ "}")
adamc@638 369 ^ ":" ^ e,
adamc@613 370 st)
adamc@613 371 end)
adamc@810 372 ("pf(\"" ^ ErrorMsg.spanToString loc ^ "\")", st) cs
adamc@613 373
adamc@638 374 val body = "function _n" ^ Int.toString n' ^ "(t,i){var x=t[i++];var r="
adamc@638 375 ^ e ^ ";return {_1:i,_2:r}}\n\n"
adamc@613 376
adamc@638 377 val st = {decls = #decls st,
adamc@638 378 script = body :: #script st,
adamc@613 379 included = #included st,
adamc@613 380 injectors = #injectors st,
adamc@800 381 listInjectors = #listInjectors st,
adamc@638 382 decoders = #decoders st,
adamc@613 383 maxName = #maxName st}
adamc@613 384 in
adamc@638 385 ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@638 386 end)
adamc@613 387
adamc@613 388 | _ => (EM.errorAt loc "Don't know how to unurlify type in JavaScript";
adamc@613 389 Print.prefaces "Can't unurlify" [("t", MonoPrint.p_typ MonoEnv.empty t)];
adamc@613 390 ("ERROR", st))
adamc@613 391
adamc@646 392 fun padWith (ch, s, len) =
adamc@646 393 if size s < len then
adamc@646 394 padWith (ch, String.str ch ^ s, len - 1)
adamc@646 395 else
adamc@646 396 s
adamc@646 397
adamc@794 398 val foundJavaScript = ref false
adamc@794 399
adamc@800 400 fun jsExp mode outer =
adamc@567 401 let
adamc@589 402 val len = length outer
adamc@567 403
adamc@589 404 fun jsE inner (e as (_, loc), st) =
adamc@589 405 let
adamc@590 406 val str = str loc
adamc@567 407
adamc@589 408 fun patCon pc =
adamc@589 409 case pc of
adamc@589 410 PConVar n => str (Int.toString n)
adamc@589 411 | PConFfi {mod = "Basis", con = "True", ...} => str "true"
adamc@589 412 | PConFfi {mod = "Basis", con = "False", ...} => str "false"
adamc@970 413 | PConFfi {con, ...} => str ("\"" ^ con ^ "\"")
adamc@567 414
adamc@591 415 fun unsupported s =
adamc@591 416 (EM.errorAt loc (s ^ " in code to be compiled to JavaScript[2]");
adamc@910 417 Print.preface ("Code", MonoPrint.p_exp MonoEnv.empty e);
adamc@591 418 (str "ERROR", st))
adamc@577 419
adamc@589 420 val strcat = strcat loc
adamc@584 421
adamc@589 422 fun jsPrim p =
adamc@943 423 let
adamc@943 424 fun jsChar ch =
adamc@943 425 case ch of
adamc@943 426 #"'" =>
adamc@943 427 if mode = Attribute then
adamc@943 428 "\\047"
adamc@943 429 else
adamc@943 430 "'"
adamc@943 431 | #"\"" => "\\\""
adamc@943 432 | #"<" => "\\074"
adamc@943 433 | #"\\" => "\\\\"
adamc@943 434 | #"\n" => "\\n"
adamc@943 435 | #"\r" => "\\r"
adamc@943 436 | #"\t" => "\\t"
adamc@943 437 | ch =>
adamc@943 438 if Char.isPrint ch then
adamc@943 439 String.str ch
adamc@943 440 else
adamc@943 441 "\\" ^ padWith (#"0",
adamc@943 442 Int.fmt StringCvt.OCT (ord ch),
adamc@943 443 3)
adamc@943 444 in
adamc@943 445 case p of
adamc@943 446 Prim.String s =>
adamc@943 447 str ("\"" ^ String.translate jsChar s ^ "\"")
adamc@1176 448 | Prim.Char ch => str ("\"" ^ jsChar ch ^ "\"")
adamc@943 449 | _ => str (Prim.toString p)
adamc@943 450 end
adamc@589 451
adamc@970 452 fun jsPat (p, _) =
adamc@589 453 case p of
adamc@970 454 PWild => str "{c:\"w\"}"
adamc@970 455 | PVar _ => str "{c:\"v\"}"
adamc@970 456 | PPrim p => strcat [str "{c:\"c\",v:",
adamc@589 457 jsPrim p,
adamc@970 458 str "}"]
adamc@589 459 | PCon (_, PConFfi {mod = "Basis", con = "True", ...}, NONE) =>
adamc@970 460 str "{c:\"c\",v:true}"
adamc@589 461 | PCon (_, PConFfi {mod = "Basis", con = "False", ...}, NONE) =>
adamc@970 462 str "{c:\"c\",v:false}"
adamc@596 463 | PCon (Option, _, NONE) =>
adamc@970 464 str "{c:\"c\",v:null}"
adamc@596 465 | PCon (Option, PConVar n, SOME p) =>
adamc@596 466 (case IM.find (someTs, n) of
adamc@596 467 NONE => raise Fail "Jscomp: Not in someTs"
adamc@974 468 | SOME t =>
adamc@974 469 strcat [str ("{c:\"s\",n:"
adamc@974 470 ^ (if isNullable t then
adamc@974 471 "true"
adamc@974 472 else
adamc@974 473 "false")
adamc@974 474 ^ ",p:"),
adamc@974 475 jsPat p,
adamc@974 476 str "}"])
adamc@974 477 | PCon (_, pc, NONE) => strcat [str "{c:\"c\",v:",
adamc@970 478 patCon pc,
adamc@970 479 str "}"]
adamc@970 480 | PCon (_, pc, SOME p) => strcat [str "{c:\"1\",n:",
adamc@970 481 patCon pc,
adamc@970 482 str ",p:",
adamc@970 483 jsPat p,
adamc@970 484 str "}"]
adamc@970 485 | PRecord xps => strcat [str "{c:\"r\",l:",
adamc@970 486 foldr (fn ((x, p, _), e) =>
adamc@970 487 strcat [str ("cons({n:\"" ^ x ^ "\",p:"),
adamc@970 488 jsPat p,
adamc@970 489 str "},",
adamc@970 490 e,
adamc@970 491 str ")"])
adamc@970 492 (str "null") xps,
adamc@970 493 str "}"]
adamc@970 494 | PNone _ => str "{c:\"c\",v:null}"
adamc@970 495 | PSome (t, p) => strcat [str ("{c:\"s\",n:"
adamc@829 496 ^ (if isNullable t then
adamc@970 497 "true"
adamc@829 498 else
adamc@970 499 "false")
adamc@970 500 ^ ",p:"),
adamc@970 501 jsPat p,
adamc@970 502 str "}"]
adamc@589 503
adamc@601 504 val jsifyString = String.translate (fn #"\"" => "\\\""
adamc@601 505 | #"\\" => "\\\\"
adamc@601 506 | ch => String.str ch)
adamc@601 507
adamc@601 508 fun jsifyStringMulti (n, s) =
adamc@601 509 case n of
adamc@601 510 0 => s
adamc@601 511 | _ => jsifyStringMulti (n - 1, jsifyString s)
adamc@601 512
adamc@601 513 fun deStrcat level (all as (e, _)) =
adamc@589 514 case e of
adamc@601 515 EPrim (Prim.String s) => jsifyStringMulti (level, s)
adamc@601 516 | EStrcat (e1, e2) => deStrcat level e1 ^ deStrcat level e2
adamc@601 517 | EFfiApp ("Basis", "jsifyString", [e]) => "\"" ^ deStrcat (level + 1) e ^ "\""
adamc@601 518 | _ => (Print.prefaces "deStrcat" [("e", MonoPrint.p_exp MonoEnv.empty all)];
adamc@601 519 raise Fail "Jscomp: deStrcat")
adamc@590 520
adamc@590 521 val quoteExp = quoteExp loc
adamc@567 522 in
adamc@801 523 (*Print.prefaces "jsE" [("e", MonoPrint.p_exp MonoEnv.empty e),
adamc@801 524 ("inner", Print.PD.string (Int.toString inner))];*)
adamc@590 525
adamc@589 526 case #1 e of
adamc@970 527 EPrim p => (strcat [str "{c:\"c\",v:",
adamc@970 528 jsPrim p,
adamc@970 529 str "}"],
adamc@970 530 st)
adamc@589 531 | ERel n =>
adamc@589 532 if n < inner then
adamc@970 533 (str ("{c:\"v\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 534 else
adamc@589 535 let
adamc@589 536 val n = n - inner
adamc@813 537 (*val () = Print.prefaces "quote" [("t", MonoPrint.p_typ MonoEnv.empty
adamc@813 538 (List.nth (outer, n)))]*)
adamc@970 539 val (e, st) = quoteExp (List.nth (outer, n)) ((ERel n, loc), st)
adamc@589 540 in
adamc@970 541 (strcat [str "{c:\"c\",v:",
adamc@970 542 e,
adamc@970 543 str "}"], st)
adamc@589 544 end
adamc@567 545
adamc@589 546 | ENamed n =>
adamc@589 547 let
adamc@589 548 val st =
adamc@589 549 if IS.member (#included st, n) then
adamc@589 550 st
adamc@589 551 else
adamc@589 552 case IM.find (nameds, n) of
adamc@589 553 NONE => raise Fail "Jscomp: Unbound ENamed"
adamc@589 554 | SOME e =>
adamc@589 555 let
adamc@589 556 val st = {decls = #decls st,
adamc@589 557 script = #script st,
adamc@595 558 included = IS.add (#included st, n),
adamc@595 559 injectors = #injectors st,
adamc@800 560 listInjectors = #listInjectors st,
adamc@638 561 decoders = #decoders st,
adamc@595 562 maxName = #maxName st}
adamc@578 563
adamc@801 564 val old = e
adamc@970 565 val (e, st) = jsExp mode [] (e, st)
adamc@601 566 val e = deStrcat 0 e
adamc@589 567
adamc@970 568 val sc = "urfuncs[" ^ Int.toString n ^ "] = " ^ e ^ ";\n"
adamc@589 569 in
adamc@801 570 (*Print.prefaces "jsify'" [("old", MonoPrint.p_exp MonoEnv.empty old),
adamc@801 571 ("new", MonoPrint.p_exp MonoEnv.empty new)];*)
adamc@589 572 {decls = #decls st,
adamc@589 573 script = sc :: #script st,
adamc@595 574 included = #included st,
adamc@595 575 injectors = #injectors st,
adamc@800 576 listInjectors = #listInjectors st,
adamc@638 577 decoders= #decoders st,
adamc@595 578 maxName = #maxName st}
adamc@589 579 end
adamc@589 580 in
adamc@970 581 (str ("{c:\"n\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 582 end
adamc@589 583
adamc@970 584 | ECon (Option, _, NONE) => (str "{c:\"c\",v:null}", st)
adamc@596 585 | ECon (Option, PConVar n, SOME e) =>
adamc@596 586 let
adamc@596 587 val (e, st) = jsE inner (e, st)
adamc@596 588 in
adamc@596 589 case IM.find (someTs, n) of
adamc@596 590 NONE => raise Fail "Jscomp: Not in someTs [2]"
adamc@596 591 | SOME t =>
adamc@596 592 (if isNullable t then
adamc@970 593 strcat [str "{c:\"s\",v:",
adamc@596 594 e,
adamc@596 595 str "}"]
adamc@596 596 else
adamc@596 597 e, st)
adamc@596 598 end
adamc@596 599
adamc@970 600 | ECon (_, pc, NONE) => (strcat [str "{c:\"c\",v:",
adamc@970 601 patCon pc,
adamc@970 602 str "}"],
adamc@970 603 st)
adamc@589 604 | ECon (_, pc, SOME e) =>
adamc@589 605 let
adamc@589 606 val (s, st) = jsE inner (e, st)
adamc@589 607 in
adamc@970 608 (strcat [str "{c:\"1\",n:",
adamc@589 609 patCon pc,
adamc@589 610 str ",v:",
adamc@589 611 s,
adamc@589 612 str "}"], st)
adamc@589 613 end
adamc@596 614
adamc@970 615 | ENone _ => (str "{c:\"c\",v:null}", st)
adamc@589 616 | ESome (t, e) =>
adamc@572 617 let
adamc@572 618 val (e, st) = jsE inner (e, st)
adamc@572 619 in
adamc@589 620 (if isNullable t then
adamc@970 621 strcat [str "{c:\"s\",v:", e, str "}"]
adamc@589 622 else
adamc@589 623 e, st)
adamc@589 624 end
adamc@589 625
adamc@589 626 | EFfi k =>
adamc@589 627 let
adamc@765 628 val name = case Settings.jsFunc k of
adamc@589 629 NONE => (EM.errorAt loc ("Unsupported FFI identifier " ^ #2 k
adamc@589 630 ^ " in JavaScript");
adamc@589 631 "ERROR")
adamc@589 632 | SOME s => s
adamc@589 633 in
adamc@970 634 (str ("{c:\"c\",v:" ^ name ^ "}"), st)
adamc@589 635 end
adamc@970 636 | EFfiApp ("Basis", "sigString", [_]) => (strcat [str "{c:\"c\",v:\"",
adamc@970 637 e,
adamc@970 638 str "\"}"], st)
adamc@589 639 | EFfiApp (m, x, args) =>
adamc@589 640 let
adamc@765 641 val name = case Settings.jsFunc (m, x) of
adamc@589 642 NONE => (EM.errorAt loc ("Unsupported FFI function "
adamc@589 643 ^ x ^ " in JavaScript");
adamc@589 644 "ERROR")
adamc@589 645 | SOME s => s
adamc@970 646
adamc@970 647 val (e, st) = foldr (fn (e, (acc, st)) =>
adamc@970 648 let
adamc@970 649 val (e, st) = jsE inner (e, st)
adamc@970 650 in
adamc@970 651 (strcat [str "cons(",
adamc@970 652 e,
adamc@970 653 str ",",
adamc@970 654 acc,
adamc@970 655 str ")"],
adamc@970 656 st)
adamc@970 657 end)
adamc@970 658 (str "null", st) args
adamc@589 659 in
adamc@1057 660 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:"),
adamc@970 661 e,
adamc@970 662 str "}"],
adamc@970 663 st)
adamc@589 664 end
adamc@589 665
adamc@589 666 | EApp (e1, e2) =>
adamc@589 667 let
adamc@589 668 val (e1, st) = jsE inner (e1, st)
adamc@589 669 val (e2, st) = jsE inner (e2, st)
adamc@589 670 in
adamc@970 671 (strcat [str "{c:\"a\",f:",
adamc@970 672 e1,
adamc@970 673 str ",x:",
adamc@970 674 e2,
adamc@970 675 str "}"], st)
adamc@589 676 end
adamc@589 677 | EAbs (_, _, _, e) =>
adamc@589 678 let
adamc@589 679 val (e, st) = jsE (inner + 1) (e, st)
adamc@589 680 in
adamc@970 681 (strcat [str "{c:\"l\",b:",
adamc@970 682 e,
adamc@970 683 str "}"], st)
adamc@589 684 end
adamc@589 685
adamc@589 686 | EUnop (s, e) =>
adamc@589 687 let
adamc@970 688 val name = case s of
adamc@970 689 "!" => "not"
adamc@970 690 | "-" => "neg"
adamc@980 691 | _ => raise Fail ("Jscomp: Unknown unary operator " ^ s)
adamc@970 692
adamc@589 693 val (e, st) = jsE inner (e, st)
adamc@589 694 in
adamc@1057 695 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:cons("),
adamc@572 696 e,
adamc@970 697 str ",null)}"],
adamc@589 698 st)
adamc@589 699 end
adamc@589 700 | EBinop (s, e1, e2) =>
adamc@589 701 let
adamc@970 702 val name = case s of
adamc@970 703 "==" => "eq"
adamc@970 704 | "!strcmp" => "eq"
adamc@970 705 | "+" => "plus"
adamc@970 706 | "-" => "minus"
adamc@970 707 | "*" => "times"
adamc@970 708 | "/" => "div"
adamc@970 709 | "%" => "mod"
adamc@970 710 | "<" => "lt"
adamc@970 711 | "<=" => "le"
adamc@980 712 | "strcmp" => "strcmp"
adamc@980 713 | _ => raise Fail ("Jscomp: Unknown binary operator " ^ s)
adamc@729 714
adamc@589 715 val (e1, st) = jsE inner (e1, st)
adamc@589 716 val (e2, st) = jsE inner (e2, st)
adamc@589 717 in
adamc@1057 718 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:cons("),
adamc@589 719 e1,
adamc@970 720 str ",cons(",
adamc@589 721 e2,
adamc@970 722 str ",null))}"],
adamc@589 723 st)
adamc@589 724 end
adamc@589 725
adamc@970 726 | ERecord [] => (str "{c:\"c\",v:null}", st)
adamc@970 727 | ERecord xes =>
adamc@589 728 let
adamc@589 729 val (es, st) =
adamc@589 730 foldr (fn ((x, e, _), (es, st)) =>
adamc@589 731 let
adamc@589 732 val (e, st) = jsE inner (e, st)
adamc@589 733 in
adamc@973 734 (strcat [str ("cons({n:\"" ^ x ^ "\",v:"),
adamc@970 735 e,
adamc@970 736 str "},",
adamc@970 737 es,
adamc@970 738 str ")"],
adamc@589 739 st)
adamc@589 740 end)
adamc@970 741 (str "null", st) xes
adamc@589 742 in
adamc@970 743 (strcat [str "{c:\"r\",l:",
adamc@970 744 es,
adamc@970 745 str "}"],
adamc@589 746 st)
adamc@589 747 end
adamc@934 748 | EField (e', x) =>
adamc@589 749 let
adamc@934 750 fun default () =
adamc@934 751 let
adamc@934 752 val (e', st) = jsE inner (e', st)
adamc@934 753 in
adamc@970 754 (strcat [str "{c:\".\",r:",
adamc@970 755 e',
adamc@970 756 str (",f:\"" ^ x ^ "\"}")], st)
adamc@934 757 end
adamc@934 758
adamc@934 759 fun seek (e, xs) =
adamc@934 760 case #1 e of
adamc@934 761 ERel n =>
adamc@934 762 if n < inner then
adamc@934 763 default ()
adamc@934 764 else
adamc@934 765 let
adamc@934 766 val n = n - inner
adamc@934 767 val t = List.nth (outer, n)
adamc@934 768 val t = foldl (fn (x, (TRecord xts, _)) =>
adamc@934 769 (case List.find (fn (x', _) => x' = x) xts of
adamc@934 770 NONE => raise Fail "Jscomp: Bad seek [1]"
adamc@934 771 | SOME (_, t) => t)
adamc@934 772 | _ => raise Fail "Jscomp: Bad seek [2]")
adamc@934 773 t xs
adamc@934 774
adamc@934 775 val e = (ERel n, loc)
adamc@934 776 val e = foldl (fn (x, e) => (EField (e, x), loc)) e xs
adamc@970 777 val (e, st) = quoteExp t (e, st)
adamc@934 778 in
adamc@970 779 (strcat [str "{c:\"c\",v:",
adamc@970 780 e,
adamc@970 781 str "}"],
adamc@970 782 st)
adamc@934 783 end
adamc@934 784 | EField (e', x) => seek (e', x :: xs)
adamc@934 785 | _ => default ()
adamc@589 786 in
adamc@934 787 seek (e', [x])
adamc@934 788 end
adamc@589 789
adamc@970 790 | ECase (e', pes, _) =>
adamc@801 791 let
adamc@970 792 val (e', st) = jsE inner (e', st)
adamc@589 793
adamc@970 794 val (ps, st) =
adamc@970 795 foldr (fn ((p, e), (ps, st)) =>
adamc@970 796 let
adamc@974 797 val (e, st) = jsE (inner + E.patBindsN p) (e, st)
adamc@970 798 in
adamc@970 799 (strcat [str "cons({p:",
adamc@970 800 jsPat p,
adamc@970 801 str ",b:",
adamc@970 802 e,
adamc@970 803 str "},",
adamc@970 804 ps,
adamc@970 805 str ")"],
adamc@970 806 st)
adamc@970 807 end)
adamc@970 808 (str "null", st) pes
adamc@801 809 in
adamc@970 810 (strcat [str "{c:\"m\",e:",
adamc@974 811 e',
adamc@970 812 str ",p:",
adamc@970 813 ps,
adamc@970 814 str "}"], st)
adamc@801 815 end
adamc@589 816
adamc@589 817 | EStrcat (e1, e2) =>
adamc@589 818 let
adamc@589 819 val (e1, st) = jsE inner (e1, st)
adamc@589 820 val (e2, st) = jsE inner (e2, st)
adamc@589 821 in
adamc@1057 822 (strcat [str "{c:\"f\",f:\"cat\",a:cons(", e1, str ",cons(", e2, str ",null))}"], st)
adamc@589 823 end
adamc@589 824
adamc@589 825 | EError (e, _) =>
adamc@589 826 let
adamc@589 827 val (e, st) = jsE inner (e, st)
adamc@589 828 in
adamc@1057 829 (strcat [str "{c:\"f\",f:\"er\",a:cons(", e, str ",null)}"],
adamc@589 830 st)
adamc@589 831 end
adamc@589 832
adamc@589 833 | ESeq (e1, e2) =>
adamc@589 834 let
adamc@589 835 val (e1, st) = jsE inner (e1, st)
adamc@589 836 val (e2, st) = jsE inner (e2, st)
adamc@589 837 in
adamc@970 838 (strcat [str "{c:\";\",e1:", e1, str ",e2:", e2, str "}"], st)
adamc@589 839 end
adamc@589 840 | ELet (_, _, e1, e2) =>
adamc@589 841 let
adamc@589 842 val (e1, st) = jsE inner (e1, st)
adamc@589 843 val (e2, st) = jsE (inner + 1) (e2, st)
adamc@589 844 in
adamc@970 845 (strcat [str "{c:\"=\",e1:",
adamc@589 846 e1,
adamc@970 847 str ",e2:",
adamc@589 848 e2,
adamc@970 849 str "}"], st)
adamc@572 850 end
adamc@589 851
adamc@815 852 | EJavaScript (Source _, e) =>
adamc@794 853 (foundJavaScript := true;
adamc@815 854 jsE inner (e, st))
adamc@815 855 | EJavaScript (_, e) =>
adamc@815 856 let
adamc@815 857 val (e, st) = jsE inner (e, st)
adamc@815 858 in
adamc@815 859 foundJavaScript := true;
adamc@970 860 (strcat [str "{c:\"e\",e:",
adamc@970 861 e,
adamc@970 862 str "}"],
adamc@815 863 st)
adamc@815 864 end
adamc@590 865
adamc@970 866 | EWrite _ => unsupported "EWrite"
adamc@589 867 | EClosure _ => unsupported "EClosure"
adamc@589 868 | EQuery _ => unsupported "Query"
adamc@589 869 | EDml _ => unsupported "DML"
adamc@589 870 | ENextval _ => unsupported "Nextval"
adamc@1073 871 | ESetval _ => unsupported "Nextval"
adamc@1112 872 | EReturnBlob _ => unsupported "EReturnBlob"
adamc@1065 873 | ERedirect _ => unsupported "ERedirect"
adamc@1112 874 | EUnurlify (_, _, true) => unsupported "EUnurlify"
adamc@590 875
adamc@1112 876 | EUnurlify (e, t, false) =>
adamc@1111 877 let
adamc@1111 878 val (e, st) = jsE inner (e, st)
adamc@1111 879 val (e', st) = unurlifyExp loc (t, st)
adamc@1111 880 in
adamc@1111 881 (strcat [str ("{c:\"f\",f:\"unurlify\",a:cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1111 882 ^ e' ^ "}},cons("),
adamc@1111 883 e,
adamc@1111 884 str ",null))}"],
adamc@1111 885 st)
adamc@1111 886 end
adamc@1111 887
adamc@589 888 | ESignalReturn e =>
adamc@572 889 let
adamc@572 890 val (e, st) = jsE inner (e, st)
adamc@572 891 in
adamc@1057 892 (strcat [str "{c:\"f\",f:\"sr\",a:cons(",
adamc@589 893 e,
adamc@970 894 str ",null)}"],
adamc@589 895 st)
adamc@589 896 end
adamc@589 897 | ESignalBind (e1, e2) =>
adamc@589 898 let
adamc@589 899 val (e1, st) = jsE inner (e1, st)
adamc@589 900 val (e2, st) = jsE inner (e2, st)
adamc@589 901 in
adamc@1057 902 (strcat [str "{c:\"f\",f:\"sb\",a:cons(",
adamc@589 903 e1,
adamc@976 904 str ",cons(",
adamc@589 905 e2,
adamc@976 906 str ",null))}"],
adamc@589 907 st)
adamc@589 908 end
adamc@589 909 | ESignalSource e =>
adamc@589 910 let
adamc@589 911 val (e, st) = jsE inner (e, st)
adamc@589 912 in
adamc@1057 913 (strcat [str "{c:\"f\",f:\"ss\",a:cons(",
adamc@589 914 e,
adamc@970 915 str ",null)}"],
adamc@589 916 st)
adamc@572 917 end
adamc@608 918
adamc@1020 919 | EServerCall (e, t, eff) =>
adamc@609 920 let
adamc@614 921 val (e, st) = jsE inner (e, st)
adamc@613 922 val (unurl, st) = unurlifyExp loc (t, st)
adamc@609 923 in
adamc@1057 924 (strcat [str ("{c:\"f\",f:\"rc\",a:cons({c:\"c\",v:\""
adamc@970 925 ^ Settings.getUrlPrefix ()
adamc@970 926 ^ "\"},cons("),
adamc@614 927 e,
adamc@970 928 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1020 929 ^ unurl ^ "}},cons({c:\"K\"},cons({c:\"c\",v:"
adamc@736 930 ^ (case eff of
adamc@736 931 ReadCookieWrite => "true"
adamc@736 932 | _ => "false")
adamc@978 933 ^ "},null)))))}")],
adamc@609 934 st)
adamc@609 935 end
adamc@670 936
adamc@1021 937 | ERecv (e, t) =>
adamc@670 938 let
adamc@670 939 val (e, st) = jsE inner (e, st)
adamc@670 940 val (unurl, st) = unurlifyExp loc (t, st)
adamc@670 941 in
adamc@1057 942 (strcat [str ("{c:\"f\",f:\"rv\",a:cons("),
adamc@670 943 e,
adamc@970 944 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1021 945 ^ unurl ^ "}},cons({c:\"K\"},null)))}")],
adamc@670 946 st)
adamc@670 947 end
adamc@695 948
adamc@1021 949 | ESleep e =>
adamc@695 950 let
adamc@695 951 val (e, st) = jsE inner (e, st)
adamc@695 952 in
adamc@1057 953 (strcat [str "{c:\"f\",f:\"sl\",a:cons(",
adamc@978 954 e,
adamc@1021 955 str ",cons({c:\"K\"},null))}"],
adamc@1021 956 st)
adamc@1021 957 end
adamc@1021 958
adamc@1021 959 | ESpawn e =>
adamc@1021 960 let
adamc@1021 961 val (e, st) = jsE inner (e, st)
adamc@1021 962 in
adamc@1057 963 (strcat [str "{c:\"f\",f:\"sp\",a:cons(",
adamc@1021 964 e,
adamc@1021 965 str ",null)}"],
adamc@695 966 st)
adamc@695 967 end
adamc@567 968 end
adamc@589 969 in
adamc@970 970 jsE 0
adamc@589 971 end
adamc@567 972
adamc@815 973 fun patBinds ((p, _), env) =
adamc@815 974 case p of
adamc@815 975 PWild => env
adamc@815 976 | PVar (_, t) => t :: env
adamc@815 977 | PPrim _ => env
adamc@815 978 | PCon (_, _, NONE) => env
adamc@815 979 | PCon (_, _, SOME p) => patBinds (p, env)
adamc@815 980 | PRecord xpts => foldl (fn ((_, p, _), env) => patBinds (p, env)) env xpts
adamc@815 981 | PNone _ => env
adamc@815 982 | PSome (_, p) => patBinds (p, env)
adamc@815 983
adamc@815 984 fun exp outer (e as (_, loc), st) =
adamc@815 985 ((*Print.preface ("exp", MonoPrint.p_exp MonoEnv.empty e);*)
adamc@815 986 case #1 e of
adamc@847 987 EPrim p =>
adamc@847 988 (case p of
adamc@847 989 Prim.String s => if inString {needle = "<script", haystack = s} then
adamc@847 990 foundJavaScript := true
adamc@847 991 else
adamc@847 992 ()
adamc@847 993 | _ => ();
adamc@847 994 (e, st))
adamc@815 995 | ERel _ => (e, st)
adamc@815 996 | ENamed _ => (e, st)
adamc@815 997 | ECon (_, _, NONE) => (e, st)
adamc@815 998 | ECon (dk, pc, SOME e) =>
adamc@815 999 let
adamc@815 1000 val (e, st) = exp outer (e, st)
adamc@815 1001 in
adamc@815 1002 ((ECon (dk, pc, SOME e), loc), st)
adamc@815 1003 end
adamc@815 1004 | ENone _ => (e, st)
adamc@815 1005 | ESome (t, e) =>
adamc@815 1006 let
adamc@815 1007 val (e, st) = exp outer (e, st)
adamc@815 1008 in
adamc@815 1009 ((ESome (t, e), loc), st)
adamc@815 1010 end
adamc@815 1011 | EFfi _ => (e, st)
adamc@815 1012 | EFfiApp (m, x, es) =>
adamc@815 1013 let
adamc@815 1014 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1015 in
adamc@815 1016 ((EFfiApp (m, x, es), loc), st)
adamc@815 1017 end
adamc@815 1018 | EApp (e1, e2) =>
adamc@815 1019 let
adamc@815 1020 val (e1, st) = exp outer (e1, st)
adamc@815 1021 val (e2, st) = exp outer (e2, st)
adamc@815 1022 in
adamc@815 1023 ((EApp (e1, e2), loc), st)
adamc@815 1024 end
adamc@815 1025 | EAbs (x, dom, ran, e) =>
adamc@815 1026 let
adamc@815 1027 val (e, st) = exp (dom :: outer) (e, st)
adamc@815 1028 in
adamc@815 1029 ((EAbs (x, dom, ran, e), loc), st)
adamc@815 1030 end
adamc@815 1031
adamc@815 1032 | EUnop (s, e) =>
adamc@815 1033 let
adamc@815 1034 val (e, st) = exp outer (e, st)
adamc@815 1035 in
adamc@815 1036 ((EUnop (s, e), loc), st)
adamc@815 1037 end
adamc@815 1038 | EBinop (s, e1, e2) =>
adamc@815 1039 let
adamc@815 1040 val (e1, st) = exp outer (e1, st)
adamc@815 1041 val (e2, st) = exp outer (e2, st)
adamc@815 1042 in
adamc@815 1043 ((EBinop (s, e1, e2), loc), st)
adamc@815 1044 end
adamc@815 1045
adamc@815 1046 | ERecord xets =>
adamc@815 1047 let
adamc@815 1048 val (xets, st) = ListUtil.foldlMap (fn ((x, e, t), st) =>
adamc@815 1049 let
adamc@815 1050 val (e, st) = exp outer (e, st)
adamc@815 1051 in
adamc@815 1052 ((x, e, t), st)
adamc@815 1053 end) st xets
adamc@815 1054 in
adamc@815 1055 ((ERecord xets, loc), st)
adamc@815 1056 end
adamc@815 1057 | EField (e, s) =>
adamc@815 1058 let
adamc@815 1059 val (e, st) = exp outer (e, st)
adamc@815 1060 in
adamc@815 1061 ((EField (e, s), loc), st)
adamc@815 1062 end
adamc@815 1063
adamc@815 1064 | ECase (e, pes, ts) =>
adamc@815 1065 let
adamc@815 1066 val (e, st) = exp outer (e, st)
adamc@815 1067 val (pes, st) = ListUtil.foldlMap (fn ((p, e), st) =>
adamc@815 1068 let
adamc@815 1069 val (e, st) = exp (patBinds (p, outer)) (e, st)
adamc@815 1070 in
adamc@815 1071 ((p, e), st)
adamc@815 1072 end) st pes
adamc@815 1073 in
adamc@815 1074 ((ECase (e, pes, ts), loc), st)
adamc@815 1075 end
adamc@815 1076
adamc@815 1077 | EStrcat (e1, e2) =>
adamc@815 1078 let
adamc@815 1079 val (e1, st) = exp outer (e1, st)
adamc@815 1080 val (e2, st) = exp outer (e2, st)
adamc@815 1081 in
adamc@815 1082 ((EStrcat (e1, e2), loc), st)
adamc@815 1083 end
adamc@815 1084
adamc@815 1085 | EError (e, t) =>
adamc@815 1086 let
adamc@815 1087 val (e, st) = exp outer (e, st)
adamc@815 1088 in
adamc@815 1089 ((EError (e, t), loc), st)
adamc@815 1090 end
adamc@815 1091 | EReturnBlob {blob, mimeType, t} =>
adamc@815 1092 let
adamc@815 1093 val (blob, st) = exp outer (blob, st)
adamc@815 1094 val (mimeType, st) = exp outer (mimeType, st)
adamc@815 1095 in
adamc@815 1096 ((EReturnBlob {blob = blob, mimeType = mimeType, t = t}, loc), st)
adamc@815 1097 end
adamc@1065 1098 | ERedirect (e, t) =>
adamc@1065 1099 let
adamc@1065 1100 val (e, st) = exp outer (e, st)
adamc@1065 1101 in
adamc@1065 1102 ((ERedirect (e, t), loc), st)
adamc@1065 1103 end
adamc@815 1104
adamc@815 1105 | EWrite e =>
adamc@815 1106 let
adamc@815 1107 val (e, st) = exp outer (e, st)
adamc@815 1108 in
adamc@815 1109 ((EWrite e, loc), st)
adamc@815 1110 end
adamc@815 1111 | ESeq (e1, e2) =>
adamc@815 1112 let
adamc@815 1113 val (e1, st) = exp outer (e1, st)
adamc@815 1114 val (e2, st) = exp outer (e2, st)
adamc@815 1115 in
adamc@815 1116 ((ESeq (e1, e2), loc), st)
adamc@815 1117 end
adamc@815 1118 | ELet (x, t, e1, e2) =>
adamc@815 1119 let
adamc@815 1120 val (e1, st) = exp outer (e1, st)
adamc@815 1121 val (e2, st) = exp (t :: outer) (e2, st)
adamc@815 1122 in
adamc@815 1123 ((ELet (x, t, e1, e2), loc), st)
adamc@815 1124 end
adamc@815 1125
adamc@815 1126 | EClosure (n, es) =>
adamc@815 1127 let
adamc@815 1128 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1129 in
adamc@815 1130 ((EClosure (n, es), loc), st)
adamc@815 1131 end
adamc@815 1132
adamc@815 1133 | EQuery {exps, tables, state, query, body, initial} =>
adamc@815 1134 let
adamc@934 1135 val row = exps @ map (fn (x, xts) => (x, (TRecord xts, loc))) tables
adamc@934 1136 val row = ListMergeSort.sort (fn ((x, _), (y, _)) => String.compare (x, y) = GREATER) row
adamc@934 1137 val row = (TRecord row, loc)
adamc@934 1138
adamc@815 1139 val (query, st) = exp outer (query, st)
adamc@934 1140 val (body, st) = exp (state :: row :: outer) (body, st)
adamc@815 1141 val (initial, st) = exp outer (initial, st)
adamc@815 1142 in
adamc@815 1143 ((EQuery {exps = exps, tables = tables, state = state,
adamc@815 1144 query = query, body = body, initial = initial}, loc), st)
adamc@815 1145 end
adamc@815 1146 | EDml e =>
adamc@815 1147 let
adamc@815 1148 val (e, st) = exp outer (e, st)
adamc@815 1149 in
adamc@815 1150 ((EDml e, loc), st)
adamc@815 1151 end
adamc@815 1152 | ENextval e =>
adamc@815 1153 let
adamc@815 1154 val (e, st) = exp outer (e, st)
adamc@815 1155 in
adamc@815 1156 ((ENextval e, loc), st)
adamc@815 1157 end
adamc@1073 1158 | ESetval (e1, e2) =>
adamc@1073 1159 let
adamc@1073 1160 val (e1, st) = exp outer (e1, st)
adamc@1073 1161 val (e2, st) = exp outer (e2, st)
adamc@1073 1162 in
adamc@1073 1163 ((ESetval (e1, e2), loc), st)
adamc@1073 1164 end
adamc@815 1165
adamc@1112 1166 | EUnurlify (e, t, b) =>
adamc@815 1167 let
adamc@815 1168 val (e, st) = exp outer (e, st)
adamc@815 1169 in
adamc@1112 1170 ((EUnurlify (e, t, b), loc), st)
adamc@815 1171 end
adamc@815 1172
adamc@815 1173 | EJavaScript (m, e') =>
adamc@970 1174 (foundJavaScript := true;
adamc@970 1175 jsExp m outer (e', st)
adamc@1177 1176 handle CantEmbed t => ((*ErrorMsg.errorAt loc "Unable to embed type in JavaScript";*)
adamc@1177 1177 Print.preface ("Can't embed type in JavaScript",
adamc@1177 1178 MonoPrint.p_typ MonoEnv.empty t);
adamc@1176 1179 (e, st)))
adamc@815 1180
adamc@815 1181 | ESignalReturn e =>
adamc@815 1182 let
adamc@815 1183 val (e, st) = exp outer (e, st)
adamc@815 1184 in
adamc@815 1185 ((ESignalReturn e, loc), st)
adamc@815 1186 end
adamc@815 1187 | ESignalBind (e1, e2) =>
adamc@815 1188 let
adamc@815 1189 val (e1, st) = exp outer (e1, st)
adamc@815 1190 val (e2, st) = exp outer (e2, st)
adamc@815 1191 in
adamc@815 1192 ((ESignalBind (e1, e2), loc), st)
adamc@815 1193 end
adamc@815 1194 | ESignalSource e =>
adamc@815 1195 let
adamc@815 1196 val (e, st) = exp outer (e, st)
adamc@815 1197 in
adamc@815 1198 ((ESignalSource e, loc), st)
adamc@815 1199 end
adamc@815 1200
adamc@1020 1201 | EServerCall (e1, t, ef) =>
adamc@815 1202 let
adamc@815 1203 val (e1, st) = exp outer (e1, st)
adamc@815 1204 in
adamc@1020 1205 ((EServerCall (e1, t, ef), loc), st)
adamc@815 1206 end
adamc@1021 1207 | ERecv (e1, t) =>
adamc@815 1208 let
adamc@815 1209 val (e1, st) = exp outer (e1, st)
adamc@815 1210 in
adamc@1021 1211 ((ERecv (e1, t), loc), st)
adamc@815 1212 end
adamc@1021 1213 | ESleep e1 =>
adamc@815 1214 let
adamc@815 1215 val (e1, st) = exp outer (e1, st)
adamc@815 1216 in
adamc@1021 1217 ((ESleep e1, loc), st)
adamc@1021 1218 end
adamc@1021 1219 | ESpawn e1 =>
adamc@1021 1220 let
adamc@1021 1221 val (e1, st) = exp outer (e1, st)
adamc@1021 1222 in
adamc@1021 1223 ((ESpawn e1, loc), st)
adamc@815 1224 end)
adamc@815 1225
adamc@815 1226 fun decl (d as (_, loc), st) =
adamc@815 1227 case #1 d of
adamc@815 1228 DVal (x, n, t, e, s) =>
adamc@815 1229 let
adamc@815 1230 val (e, st) = exp [] (e, st)
adamc@815 1231 in
adamc@815 1232 ((DVal (x, n, t, e, s), loc), st)
adamc@815 1233 end
adamc@815 1234 | DValRec vis =>
adamc@815 1235 let
adamc@815 1236 val (vis, st) = ListUtil.foldlMap (fn ((x, n, t, e, s), st) =>
adamc@815 1237 let
adamc@815 1238 val (e, st) = exp [] (e, st)
adamc@815 1239 in
adamc@815 1240 ((x, n, t, e, s), st)
adamc@815 1241 end) st vis
adamc@815 1242 in
adamc@815 1243 ((DValRec vis, loc), st)
adamc@815 1244 end
adamc@815 1245 | _ => (d, st)
adamc@567 1246
adamc@567 1247 fun doDecl (d, st) =
adamc@567 1248 let
adamc@815 1249 (*val () = Print.preface ("doDecl", MonoPrint.p_decl MonoEnv.empty d)*)
adamc@815 1250 val (d, st) = decl (d, st)
adamc@840 1251
adamc@840 1252 val ds =
adamc@840 1253 case #decls st of
adamc@840 1254 [] => [d]
adamc@840 1255 | vis => [(DValRec vis, #2 d), d]
adamc@567 1256 in
adamc@840 1257 (ds,
adamc@567 1258 {decls = [],
adamc@589 1259 script = #script st,
adamc@595 1260 included = #included st,
adamc@595 1261 injectors = #injectors st,
adamc@800 1262 listInjectors = #listInjectors st,
adamc@638 1263 decoders = #decoders st,
adamc@595 1264 maxName = #maxName st})
adamc@567 1265 end
adamc@567 1266
adamc@567 1267 val (ds, st) = ListUtil.foldlMapConcat doDecl
adamc@567 1268 {decls = [],
adamc@589 1269 script = [],
adamc@595 1270 included = IS.empty,
adamc@595 1271 injectors = IM.empty,
adamc@800 1272 listInjectors = TM.empty,
adamc@638 1273 decoders = IM.empty,
adamc@595 1274 maxName = U.File.maxName file + 1}
adamc@815 1275 file
adamc@569 1276
adamc@569 1277 val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.libJs, file = "urweb.js"})
adamc@569 1278 fun lines acc =
adamc@569 1279 case TextIO.inputLine inf of
adamc@569 1280 NONE => String.concat (rev acc)
adamc@569 1281 | SOME line => lines (line :: acc)
adamc@569 1282 val lines = lines []
adamc@794 1283
adamc@794 1284 val script =
adamc@794 1285 if !foundJavaScript then
adamc@794 1286 lines ^ String.concat (rev (#script st))
adamc@794 1287 else
adamc@794 1288 ""
adamc@567 1289 in
adamc@569 1290 TextIO.closeIn inf;
adamc@794 1291 (DJavaScript script, ErrorMsg.dummySpan) :: ds
adamc@567 1292 end
adamc@567 1293
adamc@567 1294 end