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annotate src/jscomp.sml @ 970:8371d12ae63f

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Hopefully complete refactoring of Jscomp to output ASTs; partial implementation of interpreter in runtime system (demo/alert works)
author Adam Chlipala <adamc@hcoop.net>
date Tue, 22 Sep 2009 12:23:21 -0400
parents 8c37699de273
children e30c2409c9d0
rev   line source
adamc@567 1 (* Copyright (c) 2008, 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@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)
adamc@593 128
adamc@593 129 | TFfi ("Basis", "bool") => ((ECase (e,
adamc@593 130 [((PCon (Enum, PConFfi {mod = "Basis",
adamc@593 131 datatyp = "bool",
adamc@593 132 con = "True",
adamc@593 133 arg = NONE}, NONE), loc),
adamc@593 134 str loc "true"),
adamc@593 135 ((PCon (Enum, PConFfi {mod = "Basis",
adamc@593 136 datatyp = "bool",
adamc@593 137 con = "False",
adamc@593 138 arg = NONE}, NONE), loc),
adamc@593 139 str loc "false")],
adamc@593 140 {disc = (TFfi ("Basis", "bool"), loc),
adamc@593 141 result = (TFfi ("Basis", "string"), loc)}), loc),
adamc@593 142 st)
adamc@592 143
adamc@594 144 | TOption t =>
adamc@594 145 let
adamc@594 146 val (e', st) = quoteExp loc t ((ERel 0, loc), st)
adamc@594 147 in
adamc@813 148 (case #1 e' of
adamc@813 149 EPrim (Prim.String "ERROR") => raise Fail "UHOH"
adamc@813 150 | _ =>
adamc@813 151 (ECase (e,
adamc@813 152 [((PNone t, loc),
adamc@813 153 str loc "null"),
adamc@813 154 ((PSome (t, (PVar ("x", t), loc)), loc),
adamc@813 155 if isNullable t then
adamc@813 156 strcat loc [str loc "{v:", e', str loc "}"]
adamc@813 157 else
adamc@813 158 e')],
adamc@813 159 {disc = (TOption t, loc),
adamc@813 160 result = (TFfi ("Basis", "string"), loc)}), loc),
adamc@594 161 st)
adamc@594 162 end
adamc@594 163
adamc@800 164 | TList t' =>
adamc@800 165 (case TM.find (#listInjectors st, t') of
adamc@800 166 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 167 | NONE =>
adamc@800 168 let
adamc@800 169 val rt = (TRecord [("1", t'), ("2", t)], loc)
adamc@800 170
adamc@800 171 val n' = #maxName st
adamc@800 172 val st = {decls = #decls st,
adamc@800 173 script = #script st,
adamc@800 174 included = #included st,
adamc@800 175 injectors = #injectors st,
adamc@800 176 listInjectors = TM.insert (#listInjectors st, t', n'),
adamc@800 177 decoders = #decoders st,
adamc@800 178 maxName = n' + 1}
adamc@800 179
adamc@800 180 val s = (TFfi ("Basis", "string"), loc)
adamc@801 181 val (e', st) = quoteExp loc t' ((EField ((ERel 0, loc), "1"), loc), st)
adamc@800 182
adamc@800 183 val body = (ECase ((ERel 0, loc),
adamc@800 184 [((PNone rt, loc),
adamc@800 185 str loc "null"),
adamc@800 186 ((PSome (rt, (PVar ("x", rt), loc)), loc),
adamc@911 187 strcat loc [str loc ((if isNullable t' then
adamc@911 188 "{v:"
adamc@911 189 else
adamc@911 190 "") ^ "{_1:"),
adamc@800 191 e',
adamc@800 192 str loc ",_2:",
adamc@800 193 (EApp ((ENamed n', loc),
adamc@800 194 (EField ((ERel 0, loc), "2"), loc)), loc),
adamc@911 195 str loc ((if isNullable t' then
adamc@911 196 "}"
adamc@911 197 else
adamc@911 198 "") ^ "}")])],
adamc@800 199 {disc = t, result = s}), loc)
adamc@800 200 val body = (EAbs ("x", t, s, body), loc)
adamc@800 201
adamc@840 202 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 203 body, "jsify") :: #decls st,
adamc@800 204 script = #script st,
adamc@800 205 included = #included st,
adamc@800 206 injectors = #injectors st,
adamc@800 207 listInjectors = #listInjectors st,
adamc@800 208 decoders= #decoders st,
adamc@800 209 maxName = #maxName st}
adamc@800 210
adamc@800 211
adamc@800 212 in
adamc@800 213 ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 214 end)
adamc@800 215
adamc@595 216 | TDatatype (n, ref (dk, cs)) =>
adamc@595 217 (case IM.find (#injectors st, n) of
adamc@595 218 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 219 | NONE =>
adamc@595 220 let
adamc@595 221 val n' = #maxName st
adamc@595 222 val st = {decls = #decls st,
adamc@595 223 script = #script st,
adamc@595 224 included = #included st,
adamc@595 225 injectors = IM.insert (#injectors st, n, n'),
adamc@800 226 listInjectors = #listInjectors st,
adamc@638 227 decoders = #decoders st,
adamc@595 228 maxName = n' + 1}
adamc@595 229
adamc@595 230 val (pes, st) = ListUtil.foldlMap
adamc@595 231 (fn ((_, cn, NONE), st) =>
adamc@595 232 (((PCon (dk, PConVar cn, NONE), loc),
adamc@596 233 case dk of
adamc@596 234 Option => str loc "null"
adamc@596 235 | _ => str loc (Int.toString cn)),
adamc@595 236 st)
adamc@595 237 | ((_, cn, SOME t), st) =>
adamc@595 238 let
adamc@595 239 val (e, st) = quoteExp loc t ((ERel 0, loc), st)
adamc@595 240 in
adamc@595 241 (((PCon (dk, PConVar cn, SOME (PVar ("x", t), loc)), loc),
adamc@596 242 case dk of
adamc@596 243 Option =>
adamc@596 244 if isNullable t then
adamc@638 245 strcat loc [str loc "{v:",
adamc@596 246 e,
adamc@596 247 str loc "}"]
adamc@596 248 else
adamc@596 249 e
adamc@597 250 | _ => strcat loc [str loc ("{n:" ^ Int.toString cn
adamc@597 251 ^ ",v:"),
adamc@597 252 e,
adamc@597 253 str loc "}"]),
adamc@595 254 st)
adamc@595 255 end)
adamc@595 256 st cs
adamc@595 257
adamc@595 258 val s = (TFfi ("Basis", "string"), loc)
adamc@595 259 val body = (ECase ((ERel 0, loc), pes,
adamc@595 260 {disc = t, result = s}), loc)
adamc@595 261 val body = (EAbs ("x", t, s, body), loc)
adamc@595 262
adamc@840 263 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 264 body, "jsify") :: #decls st,
adamc@595 265 script = #script st,
adamc@595 266 included = #included st,
adamc@595 267 injectors = #injectors st,
adamc@800 268 listInjectors = #listInjectors st,
adamc@638 269 decoders= #decoders st,
adamc@595 270 maxName = #maxName st}
adamc@595 271 in
adamc@595 272 ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 273 end)
adamc@595 274
adamc@834 275 | _ => ((*Print.prefaces "Can't embed" [("t", MonoPrint.p_typ MonoEnv.empty t)];*)
adamc@834 276 raise CantEmbed t)
adamc@590 277
adamc@613 278 fun unurlifyExp loc (t : typ, st) =
adamc@613 279 case #1 t of
adamc@613 280 TRecord [] => ("null", st)
adamc@910 281 | TFfi ("Basis", "unit") => ("null", st)
adamc@613 282 | TRecord [(x, t)] =>
adamc@613 283 let
adamc@613 284 val (e, st) = unurlifyExp loc (t, st)
adamc@613 285 in
adamc@613 286 ("{_" ^ x ^ ":" ^ e ^ "}",
adamc@613 287 st)
adamc@613 288 end
adamc@613 289 | TRecord ((x, t) :: xts) =>
adamc@613 290 let
adamc@613 291 val (e', st) = unurlifyExp loc (t, st)
adamc@613 292 val (es, st) = ListUtil.foldlMap
adamc@638 293 (fn ((x, t), st) =>
adamc@638 294 let
adamc@638 295 val (e, st) = unurlifyExp loc (t, st)
adamc@638 296 in
adamc@638 297 (",_" ^ x ^ ":" ^ e, st)
adamc@638 298 end)
adamc@638 299 st xts
adamc@613 300 in
adamc@613 301 (String.concat ("{_"
adamc@613 302 :: x
adamc@613 303 :: ":"
adamc@613 304 :: e'
adamc@613 305 :: es
adamc@613 306 @ ["}"]), st)
adamc@613 307 end
adamc@613 308
adamc@679 309 | TFfi ("Basis", "string") => ("uu(t[i++])", st)
adamc@613 310 | TFfi ("Basis", "int") => ("parseInt(t[i++])", st)
adamc@613 311 | TFfi ("Basis", "float") => ("parseFloat(t[i++])", st)
adamc@682 312 | TFfi ("Basis", "channel") => ("(t[i++].length > 0 ? parseInt(t[i]) : null)", st)
adamc@613 313
adamc@912 314 | TFfi ("Basis", "bool") => ("t[i++] == \"1\"", st)
adamc@613 315
adamc@638 316 | TOption t =>
adamc@613 317 let
adamc@638 318 val (e, st) = unurlifyExp loc (t, st)
adamc@638 319 val e = if isNullable t then
adamc@638 320 "{v:" ^ e ^ "}"
adamc@638 321 else
adamc@638 322 e
adamc@613 323 in
adamc@703 324 ("(t[i++]==\"Some\"?" ^ e ^ ":null)", st)
adamc@638 325 end
adamc@613 326
adamc@905 327 | TList t =>
adamc@905 328 let
adamc@905 329 val (e, st) = unurlifyExp loc (t, st)
adamc@905 330 in
adamc@905 331 ("uul(function(){return t[i++];},function(){return " ^ e ^ "})", st)
adamc@905 332 end
adamc@905 333
adamc@638 334 | TDatatype (n, ref (dk, cs)) =>
adamc@638 335 (case IM.find (#decoders st, n) of
adamc@638 336 SOME n' => ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@613 337 | NONE =>
adamc@613 338 let
adamc@613 339 val n' = #maxName st
adamc@613 340 val st = {decls = #decls st,
adamc@613 341 script = #script st,
adamc@613 342 included = #included st,
adamc@638 343 injectors = #injectors st,
adamc@800 344 listInjectors = #listInjectors st,
adamc@638 345 decoders = IM.insert (#decoders st, n, n'),
adamc@613 346 maxName = n' + 1}
adamc@613 347
adamc@638 348 val (e, st) = foldl (fn ((x, cn, NONE), (e, st)) =>
adamc@638 349 ("x==\"" ^ x ^ "\"?"
adamc@638 350 ^ (case dk of
adamc@638 351 Option => "null"
adamc@638 352 | _ => Int.toString cn)
adamc@638 353 ^ ":" ^ e,
adamc@613 354 st)
adamc@638 355 | ((x, cn, SOME t), (e, st)) =>
adamc@613 356 let
adamc@638 357 val (e', st) = unurlifyExp loc (t, st)
adamc@613 358 in
adamc@638 359 ("x==\"" ^ x ^ "\"?"
adamc@638 360 ^ (case dk of
adamc@638 361 Option =>
adamc@638 362 if isNullable t then
adamc@638 363 "{v:" ^ e' ^ "}"
adamc@638 364 else
adamc@638 365 e'
adamc@638 366 | _ => "{n:" ^ Int.toString cn ^ ",v:" ^ e' ^ "}")
adamc@638 367 ^ ":" ^ e,
adamc@613 368 st)
adamc@613 369 end)
adamc@810 370 ("pf(\"" ^ ErrorMsg.spanToString loc ^ "\")", st) cs
adamc@613 371
adamc@638 372 val body = "function _n" ^ Int.toString n' ^ "(t,i){var x=t[i++];var r="
adamc@638 373 ^ e ^ ";return {_1:i,_2:r}}\n\n"
adamc@613 374
adamc@638 375 val st = {decls = #decls st,
adamc@638 376 script = body :: #script st,
adamc@613 377 included = #included st,
adamc@613 378 injectors = #injectors st,
adamc@800 379 listInjectors = #listInjectors st,
adamc@638 380 decoders = #decoders st,
adamc@613 381 maxName = #maxName st}
adamc@613 382 in
adamc@638 383 ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@638 384 end)
adamc@613 385
adamc@613 386 | _ => (EM.errorAt loc "Don't know how to unurlify type in JavaScript";
adamc@613 387 Print.prefaces "Can't unurlify" [("t", MonoPrint.p_typ MonoEnv.empty t)];
adamc@613 388 ("ERROR", st))
adamc@613 389
adamc@646 390 fun padWith (ch, s, len) =
adamc@646 391 if size s < len then
adamc@646 392 padWith (ch, String.str ch ^ s, len - 1)
adamc@646 393 else
adamc@646 394 s
adamc@646 395
adamc@794 396 val foundJavaScript = ref false
adamc@794 397
adamc@800 398 fun jsExp mode outer =
adamc@567 399 let
adamc@589 400 val len = length outer
adamc@567 401
adamc@589 402 fun jsE inner (e as (_, loc), st) =
adamc@589 403 let
adamc@590 404 val str = str loc
adamc@567 405
adamc@589 406 fun patCon pc =
adamc@589 407 case pc of
adamc@589 408 PConVar n => str (Int.toString n)
adamc@589 409 | PConFfi {mod = "Basis", con = "True", ...} => str "true"
adamc@589 410 | PConFfi {mod = "Basis", con = "False", ...} => str "false"
adamc@970 411 | PConFfi {con, ...} => str ("\"" ^ con ^ "\"")
adamc@567 412
adamc@591 413 fun unsupported s =
adamc@591 414 (EM.errorAt loc (s ^ " in code to be compiled to JavaScript[2]");
adamc@910 415 Print.preface ("Code", MonoPrint.p_exp MonoEnv.empty e);
adamc@591 416 (str "ERROR", st))
adamc@577 417
adamc@589 418 val strcat = strcat loc
adamc@584 419
adamc@589 420 fun jsPrim p =
adamc@943 421 let
adamc@943 422 fun jsChar ch =
adamc@943 423 case ch of
adamc@943 424 #"'" =>
adamc@943 425 if mode = Attribute then
adamc@943 426 "\\047"
adamc@943 427 else
adamc@943 428 "'"
adamc@943 429 | #"\"" => "\\\""
adamc@943 430 | #"<" => "\\074"
adamc@943 431 | #"\\" => "\\\\"
adamc@943 432 | #"\n" => "\\n"
adamc@943 433 | #"\r" => "\\r"
adamc@943 434 | #"\t" => "\\t"
adamc@943 435 | ch =>
adamc@943 436 if Char.isPrint ch then
adamc@943 437 String.str ch
adamc@943 438 else
adamc@943 439 "\\" ^ padWith (#"0",
adamc@943 440 Int.fmt StringCvt.OCT (ord ch),
adamc@943 441 3)
adamc@943 442 in
adamc@943 443 case p of
adamc@943 444 Prim.String s =>
adamc@943 445 str ("\"" ^ String.translate jsChar s ^ "\"")
adamc@943 446 | Prim.Char ch => str ("'" ^ jsChar ch ^ "'")
adamc@943 447 | _ => str (Prim.toString p)
adamc@943 448 end
adamc@589 449
adamc@970 450 fun jsPat (p, _) =
adamc@589 451 case p of
adamc@970 452 PWild => str "{c:\"w\"}"
adamc@970 453 | PVar _ => str "{c:\"v\"}"
adamc@970 454 | PPrim p => strcat [str "{c:\"c\",v:",
adamc@589 455 jsPrim p,
adamc@970 456 str "}"]
adamc@589 457 | PCon (_, PConFfi {mod = "Basis", con = "True", ...}, NONE) =>
adamc@970 458 str "{c:\"c\",v:true}"
adamc@589 459 | PCon (_, PConFfi {mod = "Basis", con = "False", ...}, NONE) =>
adamc@970 460 str "{c:\"c\",v:false}"
adamc@596 461 | PCon (Option, _, NONE) =>
adamc@970 462 str "{c:\"c\",v:null}"
adamc@596 463 | PCon (Option, PConVar n, SOME p) =>
adamc@596 464 (case IM.find (someTs, n) of
adamc@596 465 NONE => raise Fail "Jscomp: Not in someTs"
adamc@970 466 | SOME t => strcat [str ("{c:\"s\",n:"
adamc@970 467 ^ (if isNullable t then
adamc@970 468 "true"
adamc@970 469 else
adamc@970 470 "false")
adamc@970 471 ^ ",p:"),
adamc@970 472 jsPat p,
adamc@970 473 str "}"])
adamc@970 474 | PCon (_, pc, NONE) => strcat [str "{c:\"0\",n:",
adamc@970 475 patCon pc,
adamc@970 476 str "}"]
adamc@970 477 | PCon (_, pc, SOME p) => strcat [str "{c:\"1\",n:",
adamc@970 478 patCon pc,
adamc@970 479 str ",p:",
adamc@970 480 jsPat p,
adamc@970 481 str "}"]
adamc@970 482 | PRecord xps => strcat [str "{c:\"r\",l:",
adamc@970 483 foldr (fn ((x, p, _), e) =>
adamc@970 484 strcat [str ("cons({n:\"" ^ x ^ "\",p:"),
adamc@970 485 jsPat p,
adamc@970 486 str "},",
adamc@970 487 e,
adamc@970 488 str ")"])
adamc@970 489 (str "null") xps,
adamc@970 490 str "}"]
adamc@970 491 | PNone _ => str "{c:\"c\",v:null}"
adamc@970 492 | PSome (t, p) => strcat [str ("{c:\"s\",n:"
adamc@829 493 ^ (if isNullable t then
adamc@970 494 "true"
adamc@829 495 else
adamc@970 496 "false")
adamc@970 497 ^ ",p:"),
adamc@970 498 jsPat p,
adamc@970 499 str "}"]
adamc@589 500
adamc@601 501 val jsifyString = String.translate (fn #"\"" => "\\\""
adamc@601 502 | #"\\" => "\\\\"
adamc@601 503 | ch => String.str ch)
adamc@601 504
adamc@601 505 fun jsifyStringMulti (n, s) =
adamc@601 506 case n of
adamc@601 507 0 => s
adamc@601 508 | _ => jsifyStringMulti (n - 1, jsifyString s)
adamc@601 509
adamc@601 510 fun deStrcat level (all as (e, _)) =
adamc@589 511 case e of
adamc@601 512 EPrim (Prim.String s) => jsifyStringMulti (level, s)
adamc@601 513 | EStrcat (e1, e2) => deStrcat level e1 ^ deStrcat level e2
adamc@601 514 | EFfiApp ("Basis", "jsifyString", [e]) => "\"" ^ deStrcat (level + 1) e ^ "\""
adamc@601 515 | _ => (Print.prefaces "deStrcat" [("e", MonoPrint.p_exp MonoEnv.empty all)];
adamc@601 516 raise Fail "Jscomp: deStrcat")
adamc@590 517
adamc@590 518 val quoteExp = quoteExp loc
adamc@567 519 in
adamc@801 520 (*Print.prefaces "jsE" [("e", MonoPrint.p_exp MonoEnv.empty e),
adamc@801 521 ("inner", Print.PD.string (Int.toString inner))];*)
adamc@590 522
adamc@589 523 case #1 e of
adamc@970 524 EPrim p => (strcat [str "{c:\"c\",v:",
adamc@970 525 jsPrim p,
adamc@970 526 str "}"],
adamc@970 527 st)
adamc@589 528 | ERel n =>
adamc@589 529 if n < inner then
adamc@970 530 (str ("{c:\"v\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 531 else
adamc@589 532 let
adamc@589 533 val n = n - inner
adamc@813 534 (*val () = Print.prefaces "quote" [("t", MonoPrint.p_typ MonoEnv.empty
adamc@813 535 (List.nth (outer, n)))]*)
adamc@970 536 val (e, st) = quoteExp (List.nth (outer, n)) ((ERel n, loc), st)
adamc@589 537 in
adamc@970 538 (strcat [str "{c:\"c\",v:",
adamc@970 539 e,
adamc@970 540 str "}"], st)
adamc@589 541 end
adamc@567 542
adamc@589 543 | ENamed n =>
adamc@589 544 let
adamc@589 545 val st =
adamc@589 546 if IS.member (#included st, n) then
adamc@589 547 st
adamc@589 548 else
adamc@589 549 case IM.find (nameds, n) of
adamc@589 550 NONE => raise Fail "Jscomp: Unbound ENamed"
adamc@589 551 | SOME e =>
adamc@589 552 let
adamc@589 553 val st = {decls = #decls st,
adamc@589 554 script = #script st,
adamc@595 555 included = IS.add (#included st, n),
adamc@595 556 injectors = #injectors st,
adamc@800 557 listInjectors = #listInjectors st,
adamc@638 558 decoders = #decoders st,
adamc@595 559 maxName = #maxName st}
adamc@578 560
adamc@801 561 val old = e
adamc@970 562 val (e, st) = jsExp mode [] (e, st)
adamc@801 563 val new = e
adamc@601 564 val e = deStrcat 0 e
adamc@589 565
adamc@970 566 val sc = "urfuncs[" ^ Int.toString n ^ "] = " ^ e ^ ";\n"
adamc@589 567 in
adamc@801 568 (*Print.prefaces "jsify'" [("old", MonoPrint.p_exp MonoEnv.empty old),
adamc@801 569 ("new", MonoPrint.p_exp MonoEnv.empty new)];*)
adamc@589 570 {decls = #decls st,
adamc@589 571 script = sc :: #script st,
adamc@595 572 included = #included st,
adamc@595 573 injectors = #injectors st,
adamc@800 574 listInjectors = #listInjectors st,
adamc@638 575 decoders= #decoders st,
adamc@595 576 maxName = #maxName st}
adamc@589 577 end
adamc@589 578 in
adamc@970 579 (str ("{c:\"n\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 580 end
adamc@589 581
adamc@970 582 | ECon (Option, _, NONE) => (str "{c:\"c\",v:null}", st)
adamc@596 583 | ECon (Option, PConVar n, SOME e) =>
adamc@596 584 let
adamc@596 585 val (e, st) = jsE inner (e, st)
adamc@596 586 in
adamc@596 587 case IM.find (someTs, n) of
adamc@596 588 NONE => raise Fail "Jscomp: Not in someTs [2]"
adamc@596 589 | SOME t =>
adamc@596 590 (if isNullable t then
adamc@970 591 strcat [str "{c:\"s\",v:",
adamc@596 592 e,
adamc@596 593 str "}"]
adamc@596 594 else
adamc@596 595 e, st)
adamc@596 596 end
adamc@596 597
adamc@970 598 | ECon (_, pc, NONE) => (strcat [str "{c:\"c\",v:",
adamc@970 599 patCon pc,
adamc@970 600 str "}"],
adamc@970 601 st)
adamc@589 602 | ECon (_, pc, SOME e) =>
adamc@589 603 let
adamc@589 604 val (s, st) = jsE inner (e, st)
adamc@589 605 in
adamc@970 606 (strcat [str "{c:\"1\",n:",
adamc@589 607 patCon pc,
adamc@589 608 str ",v:",
adamc@589 609 s,
adamc@589 610 str "}"], st)
adamc@589 611 end
adamc@596 612
adamc@970 613 | ENone _ => (str "{c:\"c\",v:null}", st)
adamc@589 614 | ESome (t, e) =>
adamc@572 615 let
adamc@572 616 val (e, st) = jsE inner (e, st)
adamc@572 617 in
adamc@589 618 (if isNullable t then
adamc@970 619 strcat [str "{c:\"s\",v:", e, str "}"]
adamc@589 620 else
adamc@589 621 e, st)
adamc@589 622 end
adamc@589 623
adamc@589 624 | EFfi k =>
adamc@589 625 let
adamc@765 626 val name = case Settings.jsFunc k of
adamc@589 627 NONE => (EM.errorAt loc ("Unsupported FFI identifier " ^ #2 k
adamc@589 628 ^ " in JavaScript");
adamc@589 629 "ERROR")
adamc@589 630 | SOME s => s
adamc@589 631 in
adamc@970 632 (str ("{c:\"c\",v:" ^ name ^ "}"), st)
adamc@589 633 end
adamc@970 634 | EFfiApp ("Basis", "sigString", [_]) => (strcat [str "{c:\"c\",v:\"",
adamc@970 635 e,
adamc@970 636 str "\"}"], st)
adamc@589 637 | EFfiApp (m, x, args) =>
adamc@589 638 let
adamc@765 639 val name = case Settings.jsFunc (m, x) of
adamc@589 640 NONE => (EM.errorAt loc ("Unsupported FFI function "
adamc@589 641 ^ x ^ " in JavaScript");
adamc@589 642 "ERROR")
adamc@589 643 | SOME s => s
adamc@970 644
adamc@970 645 val (e, st) = foldr (fn (e, (acc, st)) =>
adamc@970 646 let
adamc@970 647 val (e, st) = jsE inner (e, st)
adamc@970 648 in
adamc@970 649 (strcat [str "cons(",
adamc@970 650 e,
adamc@970 651 str ",",
adamc@970 652 acc,
adamc@970 653 str ")"],
adamc@970 654 st)
adamc@970 655 end)
adamc@970 656 (str "null", st) args
adamc@589 657 in
adamc@970 658 (strcat [str ("{c:\"f\",f:" ^ name ^ ",a:"),
adamc@970 659 e,
adamc@970 660 str "}"],
adamc@970 661 st)
adamc@589 662 end
adamc@589 663
adamc@589 664 | EApp (e1, e2) =>
adamc@589 665 let
adamc@589 666 val (e1, st) = jsE inner (e1, st)
adamc@589 667 val (e2, st) = jsE inner (e2, st)
adamc@589 668 in
adamc@970 669 (strcat [str "{c:\"a\",f:",
adamc@970 670 e1,
adamc@970 671 str ",x:",
adamc@970 672 e2,
adamc@970 673 str "}"], st)
adamc@589 674 end
adamc@589 675 | EAbs (_, _, _, e) =>
adamc@589 676 let
adamc@589 677 val (e, st) = jsE (inner + 1) (e, st)
adamc@589 678 in
adamc@970 679 (strcat [str "{c:\"l\",b:",
adamc@970 680 e,
adamc@970 681 str "}"], st)
adamc@589 682 end
adamc@589 683
adamc@589 684 | EUnop (s, e) =>
adamc@589 685 let
adamc@970 686 val name = case s of
adamc@970 687 "!" => "not"
adamc@970 688 | "-" => "neg"
adamc@970 689 | _ => raise Fail "Jscomp: Unknown unary operator"
adamc@970 690
adamc@589 691 val (e, st) = jsE inner (e, st)
adamc@589 692 in
adamc@970 693 (strcat [str ("{c:\"f\",f:" ^ name ^ ",:a:cons("),
adamc@572 694 e,
adamc@970 695 str ",null)}"],
adamc@589 696 st)
adamc@589 697 end
adamc@589 698 | EBinop (s, e1, e2) =>
adamc@589 699 let
adamc@970 700 val name = case s of
adamc@970 701 "==" => "eq"
adamc@970 702 | "!strcmp" => "eq"
adamc@970 703 | "+" => "plus"
adamc@970 704 | "-" => "minus"
adamc@970 705 | "*" => "times"
adamc@970 706 | "/" => "div"
adamc@970 707 | "%" => "mod"
adamc@970 708 | "<" => "lt"
adamc@970 709 | "<=" => "le"
adamc@970 710 | _ => raise Fail "Jscomp: Unknown binary operator"
adamc@729 711
adamc@589 712 val (e1, st) = jsE inner (e1, st)
adamc@589 713 val (e2, st) = jsE inner (e2, st)
adamc@589 714 in
adamc@970 715 (strcat [str ("{c:\"f\",f:" ^ name ^ ",a:cons("),
adamc@589 716 e1,
adamc@970 717 str ",cons(",
adamc@589 718 e2,
adamc@970 719 str ",null))}"],
adamc@589 720 st)
adamc@589 721 end
adamc@589 722
adamc@970 723 | ERecord [] => (str "{c:\"c\",v:null}", st)
adamc@970 724 | ERecord xes =>
adamc@589 725 let
adamc@589 726 val (es, st) =
adamc@589 727 foldr (fn ((x, e, _), (es, st)) =>
adamc@589 728 let
adamc@589 729 val (e, st) = jsE inner (e, st)
adamc@589 730 in
adamc@970 731 (strcat [str ("cons({n:\"" ^ x ^ ",v:"),
adamc@970 732 e,
adamc@970 733 str "},",
adamc@970 734 es,
adamc@970 735 str ")"],
adamc@589 736 st)
adamc@589 737 end)
adamc@970 738 (str "null", st) xes
adamc@589 739 in
adamc@970 740 (strcat [str "{c:\"r\",l:",
adamc@970 741 es,
adamc@970 742 str "}"],
adamc@589 743 st)
adamc@589 744 end
adamc@934 745 | EField (e', x) =>
adamc@589 746 let
adamc@934 747 fun default () =
adamc@934 748 let
adamc@934 749 val (e', st) = jsE inner (e', st)
adamc@934 750 in
adamc@970 751 (strcat [str "{c:\".\",r:",
adamc@970 752 e',
adamc@970 753 str (",f:\"" ^ x ^ "\"}")], st)
adamc@934 754 end
adamc@934 755
adamc@934 756 fun seek (e, xs) =
adamc@934 757 case #1 e of
adamc@934 758 ERel n =>
adamc@934 759 if n < inner then
adamc@934 760 default ()
adamc@934 761 else
adamc@934 762 let
adamc@934 763 val n = n - inner
adamc@934 764 val t = List.nth (outer, n)
adamc@934 765 val t = foldl (fn (x, (TRecord xts, _)) =>
adamc@934 766 (case List.find (fn (x', _) => x' = x) xts of
adamc@934 767 NONE => raise Fail "Jscomp: Bad seek [1]"
adamc@934 768 | SOME (_, t) => t)
adamc@934 769 | _ => raise Fail "Jscomp: Bad seek [2]")
adamc@934 770 t xs
adamc@934 771
adamc@934 772 val e = (ERel n, loc)
adamc@934 773 val e = foldl (fn (x, e) => (EField (e, x), loc)) e xs
adamc@970 774 val (e, st) = quoteExp t (e, st)
adamc@934 775 in
adamc@970 776 (strcat [str "{c:\"c\",v:",
adamc@970 777 e,
adamc@970 778 str "}"],
adamc@970 779 st)
adamc@934 780 end
adamc@934 781 | EField (e', x) => seek (e', x :: xs)
adamc@934 782 | _ => default ()
adamc@589 783 in
adamc@934 784 seek (e', [x])
adamc@934 785 end
adamc@589 786
adamc@970 787 | ECase (e', pes, _) =>
adamc@801 788 let
adamc@970 789 val (e', st) = jsE inner (e', st)
adamc@589 790
adamc@970 791 val (ps, st) =
adamc@970 792 foldr (fn ((p, e), (ps, st)) =>
adamc@970 793 let
adamc@970 794 val (e, st) = jsE inner (e, st)
adamc@970 795 in
adamc@970 796 (strcat [str "cons({p:",
adamc@970 797 jsPat p,
adamc@970 798 str ",b:",
adamc@970 799 e,
adamc@970 800 str "},",
adamc@970 801 ps,
adamc@970 802 str ")"],
adamc@970 803 st)
adamc@970 804 end)
adamc@970 805 (str "null", st) pes
adamc@801 806 in
adamc@970 807 (strcat [str "{c:\"m\",e:",
adamc@970 808 e,
adamc@970 809 str ",p:",
adamc@970 810 ps,
adamc@970 811 str "}"], st)
adamc@801 812 end
adamc@589 813
adamc@589 814 | EStrcat (e1, e2) =>
adamc@589 815 let
adamc@589 816 val (e1, st) = jsE inner (e1, st)
adamc@589 817 val (e2, st) = jsE inner (e2, st)
adamc@589 818 in
adamc@970 819 (strcat [str "{c:\"f\",f:cat,a:cons(", e1, str ",cons(", e2, str ",null))}"], st)
adamc@589 820 end
adamc@589 821
adamc@589 822 | EError (e, _) =>
adamc@589 823 let
adamc@589 824 val (e, st) = jsE inner (e, st)
adamc@589 825 in
adamc@970 826 (strcat [str "{c:\"f\",f:er,a:cons(", e, str ",null)}"],
adamc@589 827 st)
adamc@589 828 end
adamc@589 829
adamc@589 830 | ESeq (e1, e2) =>
adamc@589 831 let
adamc@589 832 val (e1, st) = jsE inner (e1, st)
adamc@589 833 val (e2, st) = jsE inner (e2, st)
adamc@589 834 in
adamc@970 835 (strcat [str "{c:\";\",e1:", e1, str ",e2:", e2, str "}"], st)
adamc@589 836 end
adamc@589 837 | ELet (_, _, e1, e2) =>
adamc@589 838 let
adamc@589 839 val (e1, st) = jsE inner (e1, st)
adamc@589 840 val (e2, st) = jsE (inner + 1) (e2, st)
adamc@589 841 in
adamc@970 842 (strcat [str "{c:\"=\",e1:",
adamc@589 843 e1,
adamc@970 844 str ",e2:",
adamc@589 845 e2,
adamc@970 846 str "}"], st)
adamc@572 847 end
adamc@589 848
adamc@815 849 | EJavaScript (Source _, e) =>
adamc@794 850 (foundJavaScript := true;
adamc@815 851 jsE inner (e, st))
adamc@815 852 | EJavaScript (_, e) =>
adamc@815 853 let
adamc@815 854 val (e, st) = jsE inner (e, st)
adamc@815 855 in
adamc@815 856 foundJavaScript := true;
adamc@970 857 (strcat [str "{c:\"e\",e:",
adamc@970 858 e,
adamc@970 859 str "}"],
adamc@815 860 st)
adamc@815 861 end
adamc@590 862
adamc@970 863 | EWrite _ => unsupported "EWrite"
adamc@589 864 | EClosure _ => unsupported "EClosure"
adamc@589 865 | EQuery _ => unsupported "Query"
adamc@589 866 | EDml _ => unsupported "DML"
adamc@589 867 | ENextval _ => unsupported "Nextval"
adamc@589 868 | EUnurlify _ => unsupported "EUnurlify"
adamc@741 869 | EReturnBlob _ => unsupported "EUnurlify"
adamc@590 870
adamc@589 871 | ESignalReturn e =>
adamc@572 872 let
adamc@572 873 val (e, st) = jsE inner (e, st)
adamc@572 874 in
adamc@970 875 (strcat [str "{c:\"f\",f:sr,a:cons(",
adamc@589 876 e,
adamc@970 877 str ",null)}"],
adamc@589 878 st)
adamc@589 879 end
adamc@589 880 | ESignalBind (e1, e2) =>
adamc@589 881 let
adamc@589 882 val (e1, st) = jsE inner (e1, st)
adamc@589 883 val (e2, st) = jsE inner (e2, st)
adamc@589 884 in
adamc@970 885 (strcat [str "{c:\"b\",e1:",
adamc@589 886 e1,
adamc@970 887 str ",e2:",
adamc@589 888 e2,
adamc@970 889 str "}"],
adamc@589 890 st)
adamc@589 891 end
adamc@589 892 | ESignalSource e =>
adamc@589 893 let
adamc@589 894 val (e, st) = jsE inner (e, st)
adamc@589 895 in
adamc@970 896 (strcat [str "{c:\"f\",f:ss,a:cons(",
adamc@589 897 e,
adamc@970 898 str ",null)}"],
adamc@589 899 st)
adamc@572 900 end
adamc@608 901
adamc@910 902 | EServerCall (e, ek, t, eff) =>
adamc@609 903 let
adamc@614 904 val (e, st) = jsE inner (e, st)
adamc@609 905 val (ek, st) = jsE inner (ek, st)
adamc@613 906 val (unurl, st) = unurlifyExp loc (t, st)
adamc@609 907 in
adamc@970 908 (strcat [str ("{c:\"f\",f:rc,a:cons({c:\"c\",v:\""
adamc@970 909 ^ Settings.getUrlPrefix ()
adamc@970 910 ^ "\"},cons("),
adamc@614 911 e,
adamc@970 912 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@970 913 ^ unurl ^ "}},cons({c:\"!\",e:"),
adamc@609 914 ek,
adamc@970 915 str ("},cons("
adamc@736 916 ^ (case eff of
adamc@736 917 ReadCookieWrite => "true"
adamc@736 918 | _ => "false")
adamc@970 919 ^ ",null)))))}")],
adamc@609 920 st)
adamc@609 921 end
adamc@670 922
adamc@670 923 | ERecv (e, ek, t) =>
adamc@670 924 let
adamc@670 925 val (e, st) = jsE inner (e, st)
adamc@670 926 val (ek, st) = jsE inner (ek, st)
adamc@670 927 val (unurl, st) = unurlifyExp loc (t, st)
adamc@670 928 in
adamc@970 929 (strcat [str ("{c:\"f\",f:rv,a:cons("),
adamc@670 930 e,
adamc@970 931 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@970 932 ^ unurl ^ "}},cons({c:\"!\",e:"),
adamc@670 933 ek,
adamc@970 934 str ("},null)))}")],
adamc@670 935 st)
adamc@670 936 end
adamc@695 937
adamc@695 938 | ESleep (e, ek) =>
adamc@695 939 let
adamc@695 940 val (e, st) = jsE inner (e, st)
adamc@695 941 val (ek, st) = jsE inner (ek, st)
adamc@695 942 in
adamc@970 943 (strcat [str "{c:\"f\",f:window.setTimeout,a:cons(",
adamc@695 944 ek,
adamc@970 945 str ",cons(",
adamc@695 946 e,
adamc@970 947 str ",null))}"],
adamc@695 948 st)
adamc@695 949 end
adamc@567 950 end
adamc@589 951 in
adamc@970 952 jsE 0
adamc@589 953 end
adamc@567 954
adamc@815 955 fun patBinds ((p, _), env) =
adamc@815 956 case p of
adamc@815 957 PWild => env
adamc@815 958 | PVar (_, t) => t :: env
adamc@815 959 | PPrim _ => env
adamc@815 960 | PCon (_, _, NONE) => env
adamc@815 961 | PCon (_, _, SOME p) => patBinds (p, env)
adamc@815 962 | PRecord xpts => foldl (fn ((_, p, _), env) => patBinds (p, env)) env xpts
adamc@815 963 | PNone _ => env
adamc@815 964 | PSome (_, p) => patBinds (p, env)
adamc@815 965
adamc@815 966 fun exp outer (e as (_, loc), st) =
adamc@815 967 ((*Print.preface ("exp", MonoPrint.p_exp MonoEnv.empty e);*)
adamc@815 968 case #1 e of
adamc@847 969 EPrim p =>
adamc@847 970 (case p of
adamc@847 971 Prim.String s => if inString {needle = "<script", haystack = s} then
adamc@847 972 foundJavaScript := true
adamc@847 973 else
adamc@847 974 ()
adamc@847 975 | _ => ();
adamc@847 976 (e, st))
adamc@815 977 | ERel _ => (e, st)
adamc@815 978 | ENamed _ => (e, st)
adamc@815 979 | ECon (_, _, NONE) => (e, st)
adamc@815 980 | ECon (dk, pc, SOME e) =>
adamc@815 981 let
adamc@815 982 val (e, st) = exp outer (e, st)
adamc@815 983 in
adamc@815 984 ((ECon (dk, pc, SOME e), loc), st)
adamc@815 985 end
adamc@815 986 | ENone _ => (e, st)
adamc@815 987 | ESome (t, e) =>
adamc@815 988 let
adamc@815 989 val (e, st) = exp outer (e, st)
adamc@815 990 in
adamc@815 991 ((ESome (t, e), loc), st)
adamc@815 992 end
adamc@815 993 | EFfi _ => (e, st)
adamc@815 994 | EFfiApp (m, x, es) =>
adamc@815 995 let
adamc@815 996 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 997 in
adamc@815 998 ((EFfiApp (m, x, es), loc), st)
adamc@815 999 end
adamc@815 1000 | EApp (e1, e2) =>
adamc@815 1001 let
adamc@815 1002 val (e1, st) = exp outer (e1, st)
adamc@815 1003 val (e2, st) = exp outer (e2, st)
adamc@815 1004 in
adamc@815 1005 ((EApp (e1, e2), loc), st)
adamc@815 1006 end
adamc@815 1007 | EAbs (x, dom, ran, e) =>
adamc@815 1008 let
adamc@815 1009 val (e, st) = exp (dom :: outer) (e, st)
adamc@815 1010 in
adamc@815 1011 ((EAbs (x, dom, ran, e), loc), st)
adamc@815 1012 end
adamc@815 1013
adamc@815 1014 | EUnop (s, e) =>
adamc@815 1015 let
adamc@815 1016 val (e, st) = exp outer (e, st)
adamc@815 1017 in
adamc@815 1018 ((EUnop (s, e), loc), st)
adamc@815 1019 end
adamc@815 1020 | EBinop (s, e1, e2) =>
adamc@815 1021 let
adamc@815 1022 val (e1, st) = exp outer (e1, st)
adamc@815 1023 val (e2, st) = exp outer (e2, st)
adamc@815 1024 in
adamc@815 1025 ((EBinop (s, e1, e2), loc), st)
adamc@815 1026 end
adamc@815 1027
adamc@815 1028 | ERecord xets =>
adamc@815 1029 let
adamc@815 1030 val (xets, st) = ListUtil.foldlMap (fn ((x, e, t), st) =>
adamc@815 1031 let
adamc@815 1032 val (e, st) = exp outer (e, st)
adamc@815 1033 in
adamc@815 1034 ((x, e, t), st)
adamc@815 1035 end) st xets
adamc@815 1036 in
adamc@815 1037 ((ERecord xets, loc), st)
adamc@815 1038 end
adamc@815 1039 | EField (e, s) =>
adamc@815 1040 let
adamc@815 1041 val (e, st) = exp outer (e, st)
adamc@815 1042 in
adamc@815 1043 ((EField (e, s), loc), st)
adamc@815 1044 end
adamc@815 1045
adamc@815 1046 | ECase (e, pes, ts) =>
adamc@815 1047 let
adamc@815 1048 val (e, st) = exp outer (e, st)
adamc@815 1049 val (pes, st) = ListUtil.foldlMap (fn ((p, e), st) =>
adamc@815 1050 let
adamc@815 1051 val (e, st) = exp (patBinds (p, outer)) (e, st)
adamc@815 1052 in
adamc@815 1053 ((p, e), st)
adamc@815 1054 end) st pes
adamc@815 1055 in
adamc@815 1056 ((ECase (e, pes, ts), loc), st)
adamc@815 1057 end
adamc@815 1058
adamc@815 1059 | EStrcat (e1, e2) =>
adamc@815 1060 let
adamc@815 1061 val (e1, st) = exp outer (e1, st)
adamc@815 1062 val (e2, st) = exp outer (e2, st)
adamc@815 1063 in
adamc@815 1064 ((EStrcat (e1, e2), loc), st)
adamc@815 1065 end
adamc@815 1066
adamc@815 1067 | EError (e, t) =>
adamc@815 1068 let
adamc@815 1069 val (e, st) = exp outer (e, st)
adamc@815 1070 in
adamc@815 1071 ((EError (e, t), loc), st)
adamc@815 1072 end
adamc@815 1073 | EReturnBlob {blob, mimeType, t} =>
adamc@815 1074 let
adamc@815 1075 val (blob, st) = exp outer (blob, st)
adamc@815 1076 val (mimeType, st) = exp outer (mimeType, st)
adamc@815 1077 in
adamc@815 1078 ((EReturnBlob {blob = blob, mimeType = mimeType, t = t}, loc), st)
adamc@815 1079 end
adamc@815 1080
adamc@815 1081 | EWrite e =>
adamc@815 1082 let
adamc@815 1083 val (e, st) = exp outer (e, st)
adamc@815 1084 in
adamc@815 1085 ((EWrite e, loc), st)
adamc@815 1086 end
adamc@815 1087 | ESeq (e1, e2) =>
adamc@815 1088 let
adamc@815 1089 val (e1, st) = exp outer (e1, st)
adamc@815 1090 val (e2, st) = exp outer (e2, st)
adamc@815 1091 in
adamc@815 1092 ((ESeq (e1, e2), loc), st)
adamc@815 1093 end
adamc@815 1094 | ELet (x, t, e1, e2) =>
adamc@815 1095 let
adamc@815 1096 val (e1, st) = exp outer (e1, st)
adamc@815 1097 val (e2, st) = exp (t :: outer) (e2, st)
adamc@815 1098 in
adamc@815 1099 ((ELet (x, t, e1, e2), loc), st)
adamc@815 1100 end
adamc@815 1101
adamc@815 1102 | EClosure (n, es) =>
adamc@815 1103 let
adamc@815 1104 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1105 in
adamc@815 1106 ((EClosure (n, es), loc), st)
adamc@815 1107 end
adamc@815 1108
adamc@815 1109 | EQuery {exps, tables, state, query, body, initial} =>
adamc@815 1110 let
adamc@934 1111 val row = exps @ map (fn (x, xts) => (x, (TRecord xts, loc))) tables
adamc@934 1112 val row = ListMergeSort.sort (fn ((x, _), (y, _)) => String.compare (x, y) = GREATER) row
adamc@934 1113 val row = (TRecord row, loc)
adamc@934 1114
adamc@815 1115 val (query, st) = exp outer (query, st)
adamc@934 1116 val (body, st) = exp (state :: row :: outer) (body, st)
adamc@815 1117 val (initial, st) = exp outer (initial, st)
adamc@815 1118 in
adamc@815 1119 ((EQuery {exps = exps, tables = tables, state = state,
adamc@815 1120 query = query, body = body, initial = initial}, loc), st)
adamc@815 1121 end
adamc@815 1122 | EDml e =>
adamc@815 1123 let
adamc@815 1124 val (e, st) = exp outer (e, st)
adamc@815 1125 in
adamc@815 1126 ((EDml e, loc), st)
adamc@815 1127 end
adamc@815 1128 | ENextval e =>
adamc@815 1129 let
adamc@815 1130 val (e, st) = exp outer (e, st)
adamc@815 1131 in
adamc@815 1132 ((ENextval e, loc), st)
adamc@815 1133 end
adamc@815 1134
adamc@815 1135 | EUnurlify (e, t) =>
adamc@815 1136 let
adamc@815 1137 val (e, st) = exp outer (e, st)
adamc@815 1138 in
adamc@815 1139 ((EUnurlify (e, t), loc), st)
adamc@815 1140 end
adamc@815 1141
adamc@815 1142 | EJavaScript (m, e') =>
adamc@970 1143 (foundJavaScript := true;
adamc@970 1144 jsExp m outer (e', st)
adamc@970 1145 handle CantEmbed _ => (e, st))
adamc@815 1146
adamc@815 1147 | ESignalReturn e =>
adamc@815 1148 let
adamc@815 1149 val (e, st) = exp outer (e, st)
adamc@815 1150 in
adamc@815 1151 ((ESignalReturn e, loc), st)
adamc@815 1152 end
adamc@815 1153 | ESignalBind (e1, e2) =>
adamc@815 1154 let
adamc@815 1155 val (e1, st) = exp outer (e1, st)
adamc@815 1156 val (e2, st) = exp outer (e2, st)
adamc@815 1157 in
adamc@815 1158 ((ESignalBind (e1, e2), loc), st)
adamc@815 1159 end
adamc@815 1160 | ESignalSource e =>
adamc@815 1161 let
adamc@815 1162 val (e, st) = exp outer (e, st)
adamc@815 1163 in
adamc@815 1164 ((ESignalSource e, loc), st)
adamc@815 1165 end
adamc@815 1166
adamc@910 1167 | EServerCall (e1, e2, t, ef) =>
adamc@815 1168 let
adamc@815 1169 val (e1, st) = exp outer (e1, st)
adamc@815 1170 val (e2, st) = exp outer (e2, st)
adamc@815 1171 in
adamc@910 1172 ((EServerCall (e1, e2, t, ef), loc), st)
adamc@815 1173 end
adamc@815 1174 | ERecv (e1, e2, t) =>
adamc@815 1175 let
adamc@815 1176 val (e1, st) = exp outer (e1, st)
adamc@815 1177 val (e2, st) = exp outer (e2, st)
adamc@815 1178 in
adamc@815 1179 ((ERecv (e1, e2, t), loc), st)
adamc@815 1180 end
adamc@815 1181 | ESleep (e1, e2) =>
adamc@815 1182 let
adamc@815 1183 val (e1, st) = exp outer (e1, st)
adamc@815 1184 val (e2, st) = exp outer (e2, st)
adamc@815 1185 in
adamc@815 1186 ((ESleep (e1, e2), loc), st)
adamc@815 1187 end)
adamc@815 1188
adamc@815 1189 fun decl (d as (_, loc), st) =
adamc@815 1190 case #1 d of
adamc@815 1191 DVal (x, n, t, e, s) =>
adamc@815 1192 let
adamc@815 1193 val (e, st) = exp [] (e, st)
adamc@815 1194 in
adamc@815 1195 ((DVal (x, n, t, e, s), loc), st)
adamc@815 1196 end
adamc@815 1197 | DValRec vis =>
adamc@815 1198 let
adamc@815 1199 val (vis, st) = ListUtil.foldlMap (fn ((x, n, t, e, s), st) =>
adamc@815 1200 let
adamc@815 1201 val (e, st) = exp [] (e, st)
adamc@815 1202 in
adamc@815 1203 ((x, n, t, e, s), st)
adamc@815 1204 end) st vis
adamc@815 1205 in
adamc@815 1206 ((DValRec vis, loc), st)
adamc@815 1207 end
adamc@815 1208 | _ => (d, st)
adamc@567 1209
adamc@567 1210 fun doDecl (d, st) =
adamc@567 1211 let
adamc@815 1212 (*val () = Print.preface ("doDecl", MonoPrint.p_decl MonoEnv.empty d)*)
adamc@815 1213 val (d, st) = decl (d, st)
adamc@840 1214
adamc@840 1215 val ds =
adamc@840 1216 case #decls st of
adamc@840 1217 [] => [d]
adamc@840 1218 | vis => [(DValRec vis, #2 d), d]
adamc@567 1219 in
adamc@840 1220 (ds,
adamc@567 1221 {decls = [],
adamc@589 1222 script = #script st,
adamc@595 1223 included = #included st,
adamc@595 1224 injectors = #injectors st,
adamc@800 1225 listInjectors = #listInjectors st,
adamc@638 1226 decoders = #decoders st,
adamc@595 1227 maxName = #maxName st})
adamc@567 1228 end
adamc@567 1229
adamc@567 1230 val (ds, st) = ListUtil.foldlMapConcat doDecl
adamc@567 1231 {decls = [],
adamc@589 1232 script = [],
adamc@595 1233 included = IS.empty,
adamc@595 1234 injectors = IM.empty,
adamc@800 1235 listInjectors = TM.empty,
adamc@638 1236 decoders = IM.empty,
adamc@595 1237 maxName = U.File.maxName file + 1}
adamc@815 1238 file
adamc@569 1239
adamc@569 1240 val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.libJs, file = "urweb.js"})
adamc@569 1241 fun lines acc =
adamc@569 1242 case TextIO.inputLine inf of
adamc@569 1243 NONE => String.concat (rev acc)
adamc@569 1244 | SOME line => lines (line :: acc)
adamc@569 1245 val lines = lines []
adamc@794 1246
adamc@794 1247 val script =
adamc@794 1248 if !foundJavaScript then
adamc@794 1249 lines ^ String.concat (rev (#script st))
adamc@794 1250 else
adamc@794 1251 ""
adamc@567 1252 in
adamc@569 1253 TextIO.closeIn inf;
adamc@794 1254 (DJavaScript script, ErrorMsg.dummySpan) :: ds
adamc@567 1255 end
adamc@567 1256
adamc@567 1257 end