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annotate src/jscomp.sml @ 1422:07ef5771568d

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Notice that Basis.now is effectful; smarter JavaScript encoding of initial source values built using server-side expressions that can't be turned into JavaScript
author Adam Chlipala <adam@chlipala.net>
date Tue, 08 Feb 2011 16:54:01 -0500
parents 82b204f20026
children 66092ce45a76
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)
adam@1360 129 | TFfi ("Basis", "time") => ((EFfiApp ("Basis", "jsifyTime", [e]), loc), st)
adamc@593 130
adamc@593 131 | TFfi ("Basis", "bool") => ((ECase (e,
adamc@593 132 [((PCon (Enum, PConFfi {mod = "Basis",
adamc@593 133 datatyp = "bool",
adamc@593 134 con = "True",
adamc@593 135 arg = NONE}, NONE), loc),
adamc@593 136 str loc "true"),
adamc@593 137 ((PCon (Enum, PConFfi {mod = "Basis",
adamc@593 138 datatyp = "bool",
adamc@593 139 con = "False",
adamc@593 140 arg = NONE}, NONE), loc),
adamc@593 141 str loc "false")],
adamc@593 142 {disc = (TFfi ("Basis", "bool"), loc),
adamc@593 143 result = (TFfi ("Basis", "string"), loc)}), loc),
adamc@593 144 st)
adamc@592 145
adamc@594 146 | TOption t =>
adamc@594 147 let
adamc@594 148 val (e', st) = quoteExp loc t ((ERel 0, loc), st)
adamc@594 149 in
adamc@813 150 (case #1 e' of
adamc@813 151 EPrim (Prim.String "ERROR") => raise Fail "UHOH"
adamc@813 152 | _ =>
adamc@813 153 (ECase (e,
adamc@813 154 [((PNone t, loc),
adamc@813 155 str loc "null"),
adamc@813 156 ((PSome (t, (PVar ("x", t), loc)), loc),
adamc@813 157 if isNullable t then
adamc@813 158 strcat loc [str loc "{v:", e', str loc "}"]
adamc@813 159 else
adamc@813 160 e')],
adamc@813 161 {disc = (TOption t, loc),
adamc@813 162 result = (TFfi ("Basis", "string"), loc)}), loc),
adamc@594 163 st)
adamc@594 164 end
adamc@594 165
adamc@800 166 | TList t' =>
adamc@800 167 (case TM.find (#listInjectors st, t') of
adamc@800 168 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 169 | NONE =>
adamc@800 170 let
adamc@800 171 val rt = (TRecord [("1", t'), ("2", t)], loc)
adamc@800 172
adamc@800 173 val n' = #maxName st
adamc@800 174 val st = {decls = #decls st,
adamc@800 175 script = #script st,
adamc@800 176 included = #included st,
adamc@800 177 injectors = #injectors st,
adamc@800 178 listInjectors = TM.insert (#listInjectors st, t', n'),
adamc@800 179 decoders = #decoders st,
adamc@800 180 maxName = n' + 1}
adamc@800 181
adamc@800 182 val s = (TFfi ("Basis", "string"), loc)
adamc@801 183 val (e', st) = quoteExp loc t' ((EField ((ERel 0, loc), "1"), loc), st)
adamc@800 184
adamc@800 185 val body = (ECase ((ERel 0, loc),
adamc@800 186 [((PNone rt, loc),
adamc@800 187 str loc "null"),
adamc@800 188 ((PSome (rt, (PVar ("x", rt), loc)), loc),
adamc@911 189 strcat loc [str loc ((if isNullable t' then
adamc@911 190 "{v:"
adamc@911 191 else
adamc@911 192 "") ^ "{_1:"),
adamc@800 193 e',
adamc@800 194 str loc ",_2:",
adamc@800 195 (EApp ((ENamed n', loc),
adamc@800 196 (EField ((ERel 0, loc), "2"), loc)), loc),
adamc@911 197 str loc ((if isNullable t' then
adamc@911 198 "}"
adamc@911 199 else
adamc@911 200 "") ^ "}")])],
adamc@800 201 {disc = t, result = s}), loc)
adamc@800 202 val body = (EAbs ("x", t, s, body), loc)
adamc@800 203
adamc@840 204 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 205 body, "jsify") :: #decls st,
adamc@800 206 script = #script st,
adamc@800 207 included = #included st,
adamc@800 208 injectors = #injectors st,
adamc@800 209 listInjectors = #listInjectors st,
adamc@800 210 decoders= #decoders st,
adamc@800 211 maxName = #maxName st}
adamc@800 212
adamc@800 213
adamc@800 214 in
adamc@800 215 ((EApp ((ENamed n', loc), e), loc), st)
adamc@800 216 end)
adamc@800 217
adamc@595 218 | TDatatype (n, ref (dk, cs)) =>
adamc@595 219 (case IM.find (#injectors st, n) of
adamc@595 220 SOME n' => ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 221 | NONE =>
adamc@595 222 let
adamc@595 223 val n' = #maxName st
adamc@595 224 val st = {decls = #decls st,
adamc@595 225 script = #script st,
adamc@595 226 included = #included st,
adamc@595 227 injectors = IM.insert (#injectors st, n, n'),
adamc@800 228 listInjectors = #listInjectors st,
adamc@638 229 decoders = #decoders st,
adamc@595 230 maxName = n' + 1}
adamc@595 231
adamc@595 232 val (pes, st) = ListUtil.foldlMap
adamc@595 233 (fn ((_, cn, NONE), st) =>
adamc@595 234 (((PCon (dk, PConVar cn, NONE), loc),
adamc@596 235 case dk of
adamc@596 236 Option => str loc "null"
adamc@596 237 | _ => str loc (Int.toString cn)),
adamc@595 238 st)
adamc@595 239 | ((_, cn, SOME t), st) =>
adamc@595 240 let
adamc@595 241 val (e, st) = quoteExp loc t ((ERel 0, loc), st)
adamc@595 242 in
adamc@595 243 (((PCon (dk, PConVar cn, SOME (PVar ("x", t), loc)), loc),
adamc@596 244 case dk of
adamc@596 245 Option =>
adamc@596 246 if isNullable t then
adamc@638 247 strcat loc [str loc "{v:",
adamc@596 248 e,
adamc@596 249 str loc "}"]
adamc@596 250 else
adamc@596 251 e
adamc@597 252 | _ => strcat loc [str loc ("{n:" ^ Int.toString cn
adamc@597 253 ^ ",v:"),
adamc@597 254 e,
adamc@597 255 str loc "}"]),
adamc@595 256 st)
adamc@595 257 end)
adamc@595 258 st cs
adamc@595 259
adamc@595 260 val s = (TFfi ("Basis", "string"), loc)
adamc@595 261 val body = (ECase ((ERel 0, loc), pes,
adamc@595 262 {disc = t, result = s}), loc)
adamc@595 263 val body = (EAbs ("x", t, s, body), loc)
adamc@595 264
adamc@840 265 val st = {decls = ("jsify", n', (TFun (t, s), loc),
adamc@840 266 body, "jsify") :: #decls st,
adamc@595 267 script = #script st,
adamc@595 268 included = #included st,
adamc@595 269 injectors = #injectors st,
adamc@800 270 listInjectors = #listInjectors st,
adamc@638 271 decoders= #decoders st,
adamc@595 272 maxName = #maxName st}
adamc@595 273 in
adamc@595 274 ((EApp ((ENamed n', loc), e), loc), st)
adamc@595 275 end)
adamc@595 276
adamc@834 277 | _ => ((*Print.prefaces "Can't embed" [("t", MonoPrint.p_typ MonoEnv.empty t)];*)
adamc@834 278 raise CantEmbed t)
adamc@590 279
adamc@613 280 fun unurlifyExp loc (t : typ, st) =
adamc@613 281 case #1 t of
adamc@1323 282 TRecord [] => ("(i++,null)", st)
adamc@1323 283 | TFfi ("Basis", "unit") => ("(i++,null)", st)
adamc@613 284 | TRecord [(x, t)] =>
adamc@613 285 let
adamc@613 286 val (e, st) = unurlifyExp loc (t, st)
adamc@613 287 in
adamc@613 288 ("{_" ^ x ^ ":" ^ e ^ "}",
adamc@613 289 st)
adamc@613 290 end
adamc@613 291 | TRecord ((x, t) :: xts) =>
adamc@613 292 let
adamc@613 293 val (e', st) = unurlifyExp loc (t, st)
adamc@613 294 val (es, st) = ListUtil.foldlMap
adamc@638 295 (fn ((x, t), st) =>
adamc@638 296 let
adamc@638 297 val (e, st) = unurlifyExp loc (t, st)
adamc@638 298 in
adamc@638 299 (",_" ^ x ^ ":" ^ e, st)
adamc@638 300 end)
adamc@638 301 st xts
adamc@613 302 in
adamc@613 303 (String.concat ("{_"
adamc@613 304 :: x
adamc@613 305 :: ":"
adamc@613 306 :: e'
adamc@613 307 :: es
adamc@613 308 @ ["}"]), st)
adamc@613 309 end
adamc@613 310
adamc@679 311 | TFfi ("Basis", "string") => ("uu(t[i++])", st)
adamc@1025 312 | TFfi ("Basis", "char") => ("uu(t[i++])", st)
adamc@613 313 | TFfi ("Basis", "int") => ("parseInt(t[i++])", st)
adam@1404 314 | TFfi ("Basis", "time") => ("parseInt(t[i++])", st)
adamc@613 315 | TFfi ("Basis", "float") => ("parseFloat(t[i++])", st)
adam@1319 316 | TFfi ("Basis", "channel") => ("(t[i++].length > 0 ? parseInt(t[i-1]) : null)", st)
adamc@613 317
adamc@912 318 | TFfi ("Basis", "bool") => ("t[i++] == \"1\"", st)
adamc@613 319
adamc@638 320 | TOption t =>
adamc@613 321 let
adamc@638 322 val (e, st) = unurlifyExp loc (t, st)
adamc@638 323 val e = if isNullable t then
adamc@638 324 "{v:" ^ e ^ "}"
adamc@638 325 else
adamc@638 326 e
adamc@613 327 in
adamc@703 328 ("(t[i++]==\"Some\"?" ^ e ^ ":null)", st)
adamc@638 329 end
adamc@613 330
adamc@905 331 | TList t =>
adamc@905 332 let
adamc@905 333 val (e, st) = unurlifyExp loc (t, st)
adamc@905 334 in
adamc@905 335 ("uul(function(){return t[i++];},function(){return " ^ e ^ "})", st)
adamc@905 336 end
adamc@905 337
adamc@638 338 | TDatatype (n, ref (dk, cs)) =>
adamc@638 339 (case IM.find (#decoders st, n) of
adamc@638 340 SOME n' => ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@613 341 | NONE =>
adamc@613 342 let
adamc@613 343 val n' = #maxName st
adamc@613 344 val st = {decls = #decls st,
adamc@613 345 script = #script st,
adamc@613 346 included = #included st,
adamc@638 347 injectors = #injectors st,
adamc@800 348 listInjectors = #listInjectors st,
adamc@638 349 decoders = IM.insert (#decoders st, n, n'),
adamc@613 350 maxName = n' + 1}
adamc@613 351
adamc@638 352 val (e, st) = foldl (fn ((x, cn, NONE), (e, st)) =>
adamc@638 353 ("x==\"" ^ x ^ "\"?"
adamc@638 354 ^ (case dk of
adamc@638 355 Option => "null"
adamc@638 356 | _ => Int.toString cn)
adamc@638 357 ^ ":" ^ e,
adamc@613 358 st)
adamc@638 359 | ((x, cn, SOME t), (e, st)) =>
adamc@613 360 let
adamc@638 361 val (e', st) = unurlifyExp loc (t, st)
adamc@613 362 in
adamc@638 363 ("x==\"" ^ x ^ "\"?"
adamc@638 364 ^ (case dk of
adamc@638 365 Option =>
adamc@638 366 if isNullable t then
adamc@638 367 "{v:" ^ e' ^ "}"
adamc@638 368 else
adamc@638 369 e'
adamc@638 370 | _ => "{n:" ^ Int.toString cn ^ ",v:" ^ e' ^ "}")
adamc@638 371 ^ ":" ^ e,
adamc@613 372 st)
adamc@613 373 end)
adamc@810 374 ("pf(\"" ^ ErrorMsg.spanToString loc ^ "\")", st) cs
adamc@613 375
adamc@638 376 val body = "function _n" ^ Int.toString n' ^ "(t,i){var x=t[i++];var r="
adamc@638 377 ^ e ^ ";return {_1:i,_2:r}}\n\n"
adamc@613 378
adamc@638 379 val st = {decls = #decls st,
adamc@638 380 script = body :: #script st,
adamc@613 381 included = #included st,
adamc@613 382 injectors = #injectors st,
adamc@800 383 listInjectors = #listInjectors st,
adamc@638 384 decoders = #decoders st,
adamc@613 385 maxName = #maxName st}
adamc@613 386 in
adamc@638 387 ("(tmp=_n" ^ Int.toString n' ^ "(t,i),i=tmp._1,tmp._2)", st)
adamc@638 388 end)
adamc@613 389
adamc@613 390 | _ => (EM.errorAt loc "Don't know how to unurlify type in JavaScript";
adamc@613 391 Print.prefaces "Can't unurlify" [("t", MonoPrint.p_typ MonoEnv.empty t)];
adamc@613 392 ("ERROR", st))
adamc@613 393
adamc@646 394 fun padWith (ch, s, len) =
adamc@646 395 if size s < len then
adamc@646 396 padWith (ch, String.str ch ^ s, len - 1)
adamc@646 397 else
adamc@646 398 s
adamc@646 399
adamc@794 400 val foundJavaScript = ref false
adamc@794 401
adamc@800 402 fun jsExp mode outer =
adamc@567 403 let
adamc@589 404 val len = length outer
adamc@567 405
adamc@589 406 fun jsE inner (e as (_, loc), st) =
adamc@589 407 let
adamc@590 408 val str = str loc
adamc@567 409
adamc@589 410 fun patCon pc =
adamc@589 411 case pc of
adamc@589 412 PConVar n => str (Int.toString n)
adamc@589 413 | PConFfi {mod = "Basis", con = "True", ...} => str "true"
adamc@589 414 | PConFfi {mod = "Basis", con = "False", ...} => str "false"
adamc@970 415 | PConFfi {con, ...} => str ("\"" ^ con ^ "\"")
adamc@567 416
adamc@591 417 fun unsupported s =
adamc@591 418 (EM.errorAt loc (s ^ " in code to be compiled to JavaScript[2]");
adamc@910 419 Print.preface ("Code", MonoPrint.p_exp MonoEnv.empty e);
adamc@591 420 (str "ERROR", st))
adamc@577 421
adamc@589 422 val strcat = strcat loc
adamc@584 423
adamc@589 424 fun jsPrim p =
adamc@943 425 let
adamc@943 426 fun jsChar ch =
adamc@943 427 case ch of
adamc@943 428 #"'" =>
adamc@943 429 if mode = Attribute then
adamc@943 430 "\\047"
adamc@943 431 else
adamc@943 432 "'"
adamc@943 433 | #"\"" => "\\\""
adamc@943 434 | #"<" => "\\074"
adamc@943 435 | #"\\" => "\\\\"
adamc@943 436 | #"\n" => "\\n"
adamc@943 437 | #"\r" => "\\r"
adamc@943 438 | #"\t" => "\\t"
adamc@943 439 | ch =>
adam@1285 440 if Char.isPrint ch orelse ord ch >= 128 then
adamc@943 441 String.str ch
adamc@943 442 else
adamc@943 443 "\\" ^ padWith (#"0",
adamc@943 444 Int.fmt StringCvt.OCT (ord ch),
adamc@943 445 3)
adamc@943 446 in
adamc@943 447 case p of
adamc@943 448 Prim.String s =>
adamc@943 449 str ("\"" ^ String.translate jsChar s ^ "\"")
adamc@1176 450 | Prim.Char ch => str ("\"" ^ jsChar ch ^ "\"")
adamc@943 451 | _ => str (Prim.toString p)
adamc@943 452 end
adamc@589 453
adamc@970 454 fun jsPat (p, _) =
adamc@589 455 case p of
adamc@970 456 PWild => str "{c:\"w\"}"
adamc@970 457 | PVar _ => str "{c:\"v\"}"
adamc@970 458 | PPrim p => strcat [str "{c:\"c\",v:",
adamc@589 459 jsPrim p,
adamc@970 460 str "}"]
adamc@589 461 | PCon (_, PConFfi {mod = "Basis", con = "True", ...}, NONE) =>
adamc@970 462 str "{c:\"c\",v:true}"
adamc@589 463 | PCon (_, PConFfi {mod = "Basis", con = "False", ...}, NONE) =>
adamc@970 464 str "{c:\"c\",v:false}"
adamc@596 465 | PCon (Option, _, NONE) =>
adamc@970 466 str "{c:\"c\",v:null}"
adamc@596 467 | PCon (Option, PConVar n, SOME p) =>
adamc@596 468 (case IM.find (someTs, n) of
adamc@596 469 NONE => raise Fail "Jscomp: Not in someTs"
adamc@974 470 | SOME t =>
adamc@974 471 strcat [str ("{c:\"s\",n:"
adamc@974 472 ^ (if isNullable t then
adamc@974 473 "true"
adamc@974 474 else
adamc@974 475 "false")
adamc@974 476 ^ ",p:"),
adamc@974 477 jsPat p,
adamc@974 478 str "}"])
adamc@974 479 | PCon (_, pc, NONE) => strcat [str "{c:\"c\",v:",
adamc@970 480 patCon pc,
adamc@970 481 str "}"]
adamc@970 482 | PCon (_, pc, SOME p) => strcat [str "{c:\"1\",n:",
adamc@970 483 patCon pc,
adamc@970 484 str ",p:",
adamc@970 485 jsPat p,
adamc@970 486 str "}"]
adamc@970 487 | PRecord xps => strcat [str "{c:\"r\",l:",
adamc@970 488 foldr (fn ((x, p, _), e) =>
adamc@970 489 strcat [str ("cons({n:\"" ^ x ^ "\",p:"),
adamc@970 490 jsPat p,
adamc@970 491 str "},",
adamc@970 492 e,
adamc@970 493 str ")"])
adamc@970 494 (str "null") xps,
adamc@970 495 str "}"]
adamc@970 496 | PNone _ => str "{c:\"c\",v:null}"
adamc@970 497 | PSome (t, p) => strcat [str ("{c:\"s\",n:"
adamc@829 498 ^ (if isNullable t then
adamc@970 499 "true"
adamc@829 500 else
adamc@970 501 "false")
adamc@970 502 ^ ",p:"),
adamc@970 503 jsPat p,
adamc@970 504 str "}"]
adamc@589 505
adamc@601 506 val jsifyString = String.translate (fn #"\"" => "\\\""
adamc@601 507 | #"\\" => "\\\\"
adamc@601 508 | ch => String.str ch)
adamc@601 509
adamc@601 510 fun jsifyStringMulti (n, s) =
adamc@601 511 case n of
adamc@601 512 0 => s
adamc@601 513 | _ => jsifyStringMulti (n - 1, jsifyString s)
adamc@601 514
adamc@601 515 fun deStrcat level (all as (e, _)) =
adamc@589 516 case e of
adamc@601 517 EPrim (Prim.String s) => jsifyStringMulti (level, s)
adamc@601 518 | EStrcat (e1, e2) => deStrcat level e1 ^ deStrcat level e2
adamc@601 519 | EFfiApp ("Basis", "jsifyString", [e]) => "\"" ^ deStrcat (level + 1) e ^ "\""
adamc@601 520 | _ => (Print.prefaces "deStrcat" [("e", MonoPrint.p_exp MonoEnv.empty all)];
adamc@601 521 raise Fail "Jscomp: deStrcat")
adamc@590 522
adamc@590 523 val quoteExp = quoteExp loc
adamc@567 524 in
adamc@801 525 (*Print.prefaces "jsE" [("e", MonoPrint.p_exp MonoEnv.empty e),
adamc@801 526 ("inner", Print.PD.string (Int.toString inner))];*)
adamc@590 527
adamc@589 528 case #1 e of
adamc@970 529 EPrim p => (strcat [str "{c:\"c\",v:",
adamc@970 530 jsPrim p,
adamc@970 531 str "}"],
adamc@970 532 st)
adamc@589 533 | ERel n =>
adamc@589 534 if n < inner then
adamc@970 535 (str ("{c:\"v\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 536 else
adamc@589 537 let
adamc@589 538 val n = n - inner
adamc@813 539 (*val () = Print.prefaces "quote" [("t", MonoPrint.p_typ MonoEnv.empty
adamc@813 540 (List.nth (outer, n)))]*)
adamc@970 541 val (e, st) = quoteExp (List.nth (outer, n)) ((ERel n, loc), st)
adamc@589 542 in
adamc@970 543 (strcat [str "{c:\"c\",v:",
adamc@970 544 e,
adamc@970 545 str "}"], st)
adamc@589 546 end
adamc@567 547
adamc@589 548 | ENamed n =>
adamc@589 549 let
adamc@589 550 val st =
adamc@589 551 if IS.member (#included st, n) then
adamc@589 552 st
adamc@589 553 else
adamc@589 554 case IM.find (nameds, n) of
adamc@589 555 NONE => raise Fail "Jscomp: Unbound ENamed"
adamc@589 556 | SOME e =>
adamc@589 557 let
adamc@589 558 val st = {decls = #decls st,
adamc@589 559 script = #script st,
adamc@595 560 included = IS.add (#included st, n),
adamc@595 561 injectors = #injectors st,
adamc@800 562 listInjectors = #listInjectors st,
adamc@638 563 decoders = #decoders st,
adamc@595 564 maxName = #maxName st}
adamc@578 565
adamc@801 566 val old = e
adamc@970 567 val (e, st) = jsExp mode [] (e, st)
adamc@601 568 val e = deStrcat 0 e
adamc@1262 569 val e = String.translate (fn #"'" => "\\'"
adamc@1262 570 | #"\\" => "\\\\"
adamc@1262 571 | ch => String.str ch) e
adamc@589 572
adamc@1262 573 val sc = "urfuncs[" ^ Int.toString n ^ "] = {c:\"t\",f:'"
adamc@1262 574 ^ e ^ "'};\n"
adamc@589 575 in
adamc@801 576 (*Print.prefaces "jsify'" [("old", MonoPrint.p_exp MonoEnv.empty old),
adamc@801 577 ("new", MonoPrint.p_exp MonoEnv.empty new)];*)
adamc@589 578 {decls = #decls st,
adamc@589 579 script = sc :: #script st,
adamc@595 580 included = #included st,
adamc@595 581 injectors = #injectors st,
adamc@800 582 listInjectors = #listInjectors st,
adamc@638 583 decoders= #decoders st,
adamc@595 584 maxName = #maxName st}
adamc@589 585 end
adamc@589 586 in
adamc@970 587 (str ("{c:\"n\",n:" ^ Int.toString n ^ "}"), st)
adamc@589 588 end
adamc@589 589
adamc@970 590 | ECon (Option, _, NONE) => (str "{c:\"c\",v:null}", st)
adamc@596 591 | ECon (Option, PConVar n, SOME e) =>
adamc@596 592 let
adamc@596 593 val (e, st) = jsE inner (e, st)
adamc@596 594 in
adamc@596 595 case IM.find (someTs, n) of
adamc@596 596 NONE => raise Fail "Jscomp: Not in someTs [2]"
adamc@596 597 | SOME t =>
adamc@596 598 (if isNullable t then
adamc@970 599 strcat [str "{c:\"s\",v:",
adamc@596 600 e,
adamc@596 601 str "}"]
adamc@596 602 else
adamc@596 603 e, st)
adamc@596 604 end
adamc@596 605
adamc@970 606 | ECon (_, pc, NONE) => (strcat [str "{c:\"c\",v:",
adamc@970 607 patCon pc,
adamc@970 608 str "}"],
adamc@970 609 st)
adamc@589 610 | ECon (_, pc, SOME e) =>
adamc@589 611 let
adamc@589 612 val (s, st) = jsE inner (e, st)
adamc@589 613 in
adamc@970 614 (strcat [str "{c:\"1\",n:",
adamc@589 615 patCon pc,
adamc@589 616 str ",v:",
adamc@589 617 s,
adamc@589 618 str "}"], st)
adamc@589 619 end
adamc@596 620
adamc@970 621 | ENone _ => (str "{c:\"c\",v:null}", st)
adamc@589 622 | ESome (t, e) =>
adamc@572 623 let
adamc@572 624 val (e, st) = jsE inner (e, st)
adamc@572 625 in
adamc@589 626 (if isNullable t then
adamc@970 627 strcat [str "{c:\"s\",v:", e, str "}"]
adamc@589 628 else
adamc@589 629 e, st)
adamc@589 630 end
adamc@589 631
adamc@589 632 | EFfi k =>
adamc@589 633 let
adamc@765 634 val name = case Settings.jsFunc k of
adamc@589 635 NONE => (EM.errorAt loc ("Unsupported FFI identifier " ^ #2 k
adamc@589 636 ^ " in JavaScript");
adamc@589 637 "ERROR")
adamc@589 638 | SOME s => s
adamc@589 639 in
adamc@970 640 (str ("{c:\"c\",v:" ^ name ^ "}"), st)
adamc@589 641 end
adamc@970 642 | EFfiApp ("Basis", "sigString", [_]) => (strcat [str "{c:\"c\",v:\"",
adamc@970 643 e,
adamc@970 644 str "\"}"], st)
adamc@589 645 | EFfiApp (m, x, args) =>
adamc@589 646 let
adamc@765 647 val name = case Settings.jsFunc (m, x) of
adamc@589 648 NONE => (EM.errorAt loc ("Unsupported FFI function "
adamc@589 649 ^ x ^ " in JavaScript");
adamc@589 650 "ERROR")
adamc@589 651 | SOME s => s
adamc@970 652
adamc@970 653 val (e, st) = foldr (fn (e, (acc, st)) =>
adamc@970 654 let
adamc@970 655 val (e, st) = jsE inner (e, st)
adamc@970 656 in
adamc@970 657 (strcat [str "cons(",
adamc@970 658 e,
adamc@970 659 str ",",
adamc@970 660 acc,
adamc@970 661 str ")"],
adamc@970 662 st)
adamc@970 663 end)
adamc@970 664 (str "null", st) args
adamc@589 665 in
adamc@1057 666 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:"),
adamc@970 667 e,
adamc@970 668 str "}"],
adamc@970 669 st)
adamc@589 670 end
adamc@589 671
adamc@589 672 | EApp (e1, e2) =>
adamc@589 673 let
adamc@589 674 val (e1, st) = jsE inner (e1, st)
adamc@589 675 val (e2, st) = jsE inner (e2, st)
adamc@589 676 in
adamc@970 677 (strcat [str "{c:\"a\",f:",
adamc@970 678 e1,
adamc@970 679 str ",x:",
adamc@970 680 e2,
adamc@970 681 str "}"], st)
adamc@589 682 end
adamc@589 683 | EAbs (_, _, _, e) =>
adamc@589 684 let
adamc@589 685 val (e, st) = jsE (inner + 1) (e, st)
adamc@589 686 in
adamc@970 687 (strcat [str "{c:\"l\",b:",
adamc@970 688 e,
adamc@970 689 str "}"], st)
adamc@589 690 end
adamc@589 691
adamc@589 692 | EUnop (s, e) =>
adamc@589 693 let
adamc@970 694 val name = case s of
adamc@970 695 "!" => "not"
adamc@970 696 | "-" => "neg"
adamc@980 697 | _ => raise Fail ("Jscomp: Unknown unary operator " ^ s)
adamc@970 698
adamc@589 699 val (e, st) = jsE inner (e, st)
adamc@589 700 in
adamc@1057 701 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:cons("),
adamc@572 702 e,
adamc@970 703 str ",null)}"],
adamc@589 704 st)
adamc@589 705 end
adam@1360 706 | EBinop (bi, s, e1, e2) =>
adamc@589 707 let
adamc@970 708 val name = case s of
adamc@970 709 "==" => "eq"
adamc@970 710 | "!strcmp" => "eq"
adamc@970 711 | "+" => "plus"
adamc@970 712 | "-" => "minus"
adamc@970 713 | "*" => "times"
adam@1360 714 | "/" => (case bi of Int => "divInt" | NotInt => "div")
adam@1360 715 | "%" => (case bi of Int => "modInt" | NotInt => "mod")
adamc@970 716 | "<" => "lt"
adamc@970 717 | "<=" => "le"
adamc@980 718 | "strcmp" => "strcmp"
adamc@980 719 | _ => raise Fail ("Jscomp: Unknown binary operator " ^ s)
adamc@729 720
adamc@589 721 val (e1, st) = jsE inner (e1, st)
adamc@589 722 val (e2, st) = jsE inner (e2, st)
adamc@589 723 in
adamc@1057 724 (strcat [str ("{c:\"f\",f:\"" ^ name ^ "\",a:cons("),
adamc@589 725 e1,
adamc@970 726 str ",cons(",
adamc@589 727 e2,
adamc@970 728 str ",null))}"],
adamc@589 729 st)
adamc@589 730 end
adamc@589 731
adamc@970 732 | ERecord [] => (str "{c:\"c\",v:null}", st)
adamc@970 733 | ERecord xes =>
adamc@589 734 let
adamc@589 735 val (es, st) =
adamc@589 736 foldr (fn ((x, e, _), (es, st)) =>
adamc@589 737 let
adamc@589 738 val (e, st) = jsE inner (e, st)
adamc@589 739 in
adamc@973 740 (strcat [str ("cons({n:\"" ^ x ^ "\",v:"),
adamc@970 741 e,
adamc@970 742 str "},",
adamc@970 743 es,
adamc@970 744 str ")"],
adamc@589 745 st)
adamc@589 746 end)
adamc@970 747 (str "null", st) xes
adamc@589 748 in
adamc@970 749 (strcat [str "{c:\"r\",l:",
adamc@970 750 es,
adamc@970 751 str "}"],
adamc@589 752 st)
adamc@589 753 end
adamc@934 754 | EField (e', x) =>
adamc@589 755 let
adamc@934 756 fun default () =
adamc@934 757 let
adamc@934 758 val (e', st) = jsE inner (e', st)
adamc@934 759 in
adamc@970 760 (strcat [str "{c:\".\",r:",
adamc@970 761 e',
adamc@970 762 str (",f:\"" ^ x ^ "\"}")], st)
adamc@934 763 end
adamc@934 764
adamc@934 765 fun seek (e, xs) =
adamc@934 766 case #1 e of
adamc@934 767 ERel n =>
adamc@934 768 if n < inner then
adamc@934 769 default ()
adamc@934 770 else
adamc@934 771 let
adamc@934 772 val n = n - inner
adamc@934 773 val t = List.nth (outer, n)
adamc@934 774 val t = foldl (fn (x, (TRecord xts, _)) =>
adamc@934 775 (case List.find (fn (x', _) => x' = x) xts of
adamc@934 776 NONE => raise Fail "Jscomp: Bad seek [1]"
adamc@934 777 | SOME (_, t) => t)
adamc@934 778 | _ => raise Fail "Jscomp: Bad seek [2]")
adamc@934 779 t xs
adamc@934 780
adamc@934 781 val e = (ERel n, loc)
adamc@934 782 val e = foldl (fn (x, e) => (EField (e, x), loc)) e xs
adamc@970 783 val (e, st) = quoteExp t (e, st)
adamc@934 784 in
adamc@970 785 (strcat [str "{c:\"c\",v:",
adamc@970 786 e,
adamc@970 787 str "}"],
adamc@970 788 st)
adamc@934 789 end
adamc@934 790 | EField (e', x) => seek (e', x :: xs)
adamc@934 791 | _ => default ()
adamc@589 792 in
adamc@934 793 seek (e', [x])
adamc@934 794 end
adamc@589 795
adamc@970 796 | ECase (e', pes, _) =>
adamc@801 797 let
adamc@970 798 val (e', st) = jsE inner (e', st)
adamc@589 799
adamc@970 800 val (ps, st) =
adamc@970 801 foldr (fn ((p, e), (ps, st)) =>
adamc@970 802 let
adamc@974 803 val (e, st) = jsE (inner + E.patBindsN p) (e, st)
adamc@970 804 in
adamc@970 805 (strcat [str "cons({p:",
adamc@970 806 jsPat p,
adamc@970 807 str ",b:",
adamc@970 808 e,
adamc@970 809 str "},",
adamc@970 810 ps,
adamc@970 811 str ")"],
adamc@970 812 st)
adamc@970 813 end)
adamc@970 814 (str "null", st) pes
adamc@801 815 in
adamc@970 816 (strcat [str "{c:\"m\",e:",
adamc@974 817 e',
adamc@970 818 str ",p:",
adamc@970 819 ps,
adamc@970 820 str "}"], st)
adamc@801 821 end
adamc@589 822
adamc@589 823 | EStrcat (e1, e2) =>
adamc@589 824 let
adamc@589 825 val (e1, st) = jsE inner (e1, st)
adamc@589 826 val (e2, st) = jsE inner (e2, st)
adamc@589 827 in
adamc@1057 828 (strcat [str "{c:\"f\",f:\"cat\",a:cons(", e1, str ",cons(", e2, str ",null))}"], st)
adamc@589 829 end
adamc@589 830
adamc@589 831 | EError (e, _) =>
adamc@589 832 let
adamc@589 833 val (e, st) = jsE inner (e, st)
adamc@589 834 in
adamc@1057 835 (strcat [str "{c:\"f\",f:\"er\",a:cons(", e, str ",null)}"],
adamc@589 836 st)
adamc@589 837 end
adamc@589 838
adamc@589 839 | ESeq (e1, e2) =>
adamc@589 840 let
adamc@589 841 val (e1, st) = jsE inner (e1, st)
adamc@589 842 val (e2, st) = jsE inner (e2, st)
adamc@589 843 in
adamc@970 844 (strcat [str "{c:\";\",e1:", e1, str ",e2:", e2, str "}"], st)
adamc@589 845 end
adamc@589 846 | ELet (_, _, e1, e2) =>
adamc@589 847 let
adamc@589 848 val (e1, st) = jsE inner (e1, st)
adamc@589 849 val (e2, st) = jsE (inner + 1) (e2, st)
adamc@589 850 in
adamc@970 851 (strcat [str "{c:\"=\",e1:",
adamc@589 852 e1,
adamc@970 853 str ",e2:",
adamc@589 854 e2,
adamc@970 855 str "}"], st)
adamc@572 856 end
adamc@589 857
adamc@815 858 | EJavaScript (Source _, e) =>
adamc@794 859 (foundJavaScript := true;
adamc@815 860 jsE inner (e, st))
adamc@815 861 | EJavaScript (_, e) =>
adamc@815 862 let
adamc@815 863 val (e, st) = jsE inner (e, st)
adamc@815 864 in
adamc@815 865 foundJavaScript := true;
adamc@970 866 (strcat [str "{c:\"e\",e:",
adamc@970 867 e,
adamc@970 868 str "}"],
adamc@815 869 st)
adamc@815 870 end
adamc@590 871
adamc@970 872 | EWrite _ => unsupported "EWrite"
adamc@589 873 | EClosure _ => unsupported "EClosure"
adamc@589 874 | EQuery _ => unsupported "Query"
adamc@589 875 | EDml _ => unsupported "DML"
adamc@589 876 | ENextval _ => unsupported "Nextval"
adamc@1073 877 | ESetval _ => unsupported "Nextval"
adamc@1112 878 | EReturnBlob _ => unsupported "EReturnBlob"
adam@1385 879
adam@1385 880 | ERedirect (e, _) =>
adam@1385 881 let
adam@1385 882 val (e, st) = jsE inner (e, st)
adam@1385 883 in
adam@1385 884 (strcat [str "{c:\"f\",f:\"redirect\",a:cons(",
adam@1385 885 e,
adam@1385 886 str ",null)}"],
adam@1385 887 st)
adam@1385 888 end
adam@1385 889
adamc@1112 890 | EUnurlify (_, _, true) => unsupported "EUnurlify"
adamc@590 891
adamc@1112 892 | EUnurlify (e, t, false) =>
adamc@1111 893 let
adamc@1111 894 val (e, st) = jsE inner (e, st)
adamc@1111 895 val (e', st) = unurlifyExp loc (t, st)
adamc@1111 896 in
adamc@1111 897 (strcat [str ("{c:\"f\",f:\"unurlify\",a:cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1111 898 ^ e' ^ "}},cons("),
adamc@1111 899 e,
adamc@1111 900 str ",null))}"],
adamc@1111 901 st)
adamc@1111 902 end
adamc@1111 903
adamc@589 904 | ESignalReturn e =>
adamc@572 905 let
adamc@572 906 val (e, st) = jsE inner (e, st)
adamc@572 907 in
adamc@1057 908 (strcat [str "{c:\"f\",f:\"sr\",a:cons(",
adamc@589 909 e,
adamc@970 910 str ",null)}"],
adamc@589 911 st)
adamc@589 912 end
adamc@589 913 | ESignalBind (e1, e2) =>
adamc@589 914 let
adamc@589 915 val (e1, st) = jsE inner (e1, st)
adamc@589 916 val (e2, st) = jsE inner (e2, st)
adamc@589 917 in
adamc@1057 918 (strcat [str "{c:\"f\",f:\"sb\",a:cons(",
adamc@589 919 e1,
adamc@976 920 str ",cons(",
adamc@589 921 e2,
adamc@976 922 str ",null))}"],
adamc@589 923 st)
adamc@589 924 end
adamc@589 925 | ESignalSource e =>
adamc@589 926 let
adamc@589 927 val (e, st) = jsE inner (e, st)
adamc@589 928 in
adamc@1057 929 (strcat [str "{c:\"f\",f:\"ss\",a:cons(",
adamc@589 930 e,
adamc@970 931 str ",null)}"],
adamc@589 932 st)
adamc@572 933 end
adamc@608 934
adamc@1020 935 | EServerCall (e, t, eff) =>
adamc@609 936 let
adamc@614 937 val (e, st) = jsE inner (e, st)
adamc@613 938 val (unurl, st) = unurlifyExp loc (t, st)
adamc@609 939 in
adamc@1057 940 (strcat [str ("{c:\"f\",f:\"rc\",a:cons({c:\"c\",v:\""
adamc@970 941 ^ Settings.getUrlPrefix ()
adamc@970 942 ^ "\"},cons("),
adamc@614 943 e,
adamc@970 944 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1020 945 ^ unurl ^ "}},cons({c:\"K\"},cons({c:\"c\",v:"
adamc@736 946 ^ (case eff of
adamc@736 947 ReadCookieWrite => "true"
adamc@736 948 | _ => "false")
adamc@978 949 ^ "},null)))))}")],
adamc@609 950 st)
adamc@609 951 end
adamc@670 952
adamc@1021 953 | ERecv (e, t) =>
adamc@670 954 let
adamc@670 955 val (e, st) = jsE inner (e, st)
adamc@670 956 val (unurl, st) = unurlifyExp loc (t, st)
adamc@670 957 in
adamc@1057 958 (strcat [str ("{c:\"f\",f:\"rv\",a:cons("),
adamc@670 959 e,
adamc@970 960 str (",cons({c:\"c\",v:function(s){var t=s.split(\"/\");var i=0;return "
adamc@1021 961 ^ unurl ^ "}},cons({c:\"K\"},null)))}")],
adamc@670 962 st)
adamc@670 963 end
adamc@695 964
adamc@1021 965 | ESleep e =>
adamc@695 966 let
adamc@695 967 val (e, st) = jsE inner (e, st)
adamc@695 968 in
adamc@1057 969 (strcat [str "{c:\"f\",f:\"sl\",a:cons(",
adamc@978 970 e,
adamc@1021 971 str ",cons({c:\"K\"},null))}"],
adamc@1021 972 st)
adamc@1021 973 end
adamc@1021 974
adamc@1021 975 | ESpawn e =>
adamc@1021 976 let
adamc@1021 977 val (e, st) = jsE inner (e, st)
adamc@1021 978 in
adamc@1057 979 (strcat [str "{c:\"f\",f:\"sp\",a:cons(",
adamc@1021 980 e,
adamc@1021 981 str ",null)}"],
adamc@695 982 st)
adamc@695 983 end
adamc@567 984 end
adamc@589 985 in
adamc@970 986 jsE 0
adamc@589 987 end
adamc@567 988
adamc@815 989 fun patBinds ((p, _), env) =
adamc@815 990 case p of
adamc@815 991 PWild => env
adamc@815 992 | PVar (_, t) => t :: env
adamc@815 993 | PPrim _ => env
adamc@815 994 | PCon (_, _, NONE) => env
adamc@815 995 | PCon (_, _, SOME p) => patBinds (p, env)
adamc@815 996 | PRecord xpts => foldl (fn ((_, p, _), env) => patBinds (p, env)) env xpts
adamc@815 997 | PNone _ => env
adamc@815 998 | PSome (_, p) => patBinds (p, env)
adamc@815 999
adamc@815 1000 fun exp outer (e as (_, loc), st) =
adamc@815 1001 ((*Print.preface ("exp", MonoPrint.p_exp MonoEnv.empty e);*)
adamc@815 1002 case #1 e of
adamc@847 1003 EPrim p =>
adamc@847 1004 (case p of
adamc@847 1005 Prim.String s => if inString {needle = "<script", haystack = s} then
adamc@847 1006 foundJavaScript := true
adamc@847 1007 else
adamc@847 1008 ()
adamc@847 1009 | _ => ();
adamc@847 1010 (e, st))
adamc@815 1011 | ERel _ => (e, st)
adamc@815 1012 | ENamed _ => (e, st)
adamc@815 1013 | ECon (_, _, NONE) => (e, st)
adamc@815 1014 | ECon (dk, pc, SOME e) =>
adamc@815 1015 let
adamc@815 1016 val (e, st) = exp outer (e, st)
adamc@815 1017 in
adamc@815 1018 ((ECon (dk, pc, SOME e), loc), st)
adamc@815 1019 end
adamc@815 1020 | ENone _ => (e, st)
adamc@815 1021 | ESome (t, e) =>
adamc@815 1022 let
adamc@815 1023 val (e, st) = exp outer (e, st)
adamc@815 1024 in
adamc@815 1025 ((ESome (t, e), loc), st)
adamc@815 1026 end
adamc@815 1027 | EFfi _ => (e, st)
adamc@815 1028 | EFfiApp (m, x, es) =>
adamc@815 1029 let
adamc@815 1030 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1031 in
adamc@815 1032 ((EFfiApp (m, x, es), loc), st)
adamc@815 1033 end
adamc@815 1034 | EApp (e1, e2) =>
adamc@815 1035 let
adamc@815 1036 val (e1, st) = exp outer (e1, st)
adamc@815 1037 val (e2, st) = exp outer (e2, st)
adamc@815 1038 in
adamc@815 1039 ((EApp (e1, e2), loc), st)
adamc@815 1040 end
adamc@815 1041 | EAbs (x, dom, ran, e) =>
adamc@815 1042 let
adamc@815 1043 val (e, st) = exp (dom :: outer) (e, st)
adamc@815 1044 in
adamc@815 1045 ((EAbs (x, dom, ran, e), loc), st)
adamc@815 1046 end
adamc@815 1047
adamc@815 1048 | EUnop (s, e) =>
adamc@815 1049 let
adamc@815 1050 val (e, st) = exp outer (e, st)
adamc@815 1051 in
adamc@815 1052 ((EUnop (s, e), loc), st)
adamc@815 1053 end
adam@1360 1054 | EBinop (bi, s, e1, e2) =>
adamc@815 1055 let
adamc@815 1056 val (e1, st) = exp outer (e1, st)
adamc@815 1057 val (e2, st) = exp outer (e2, st)
adamc@815 1058 in
adam@1360 1059 ((EBinop (bi, s, e1, e2), loc), st)
adamc@815 1060 end
adamc@815 1061
adamc@815 1062 | ERecord xets =>
adamc@815 1063 let
adamc@815 1064 val (xets, st) = ListUtil.foldlMap (fn ((x, e, t), st) =>
adamc@815 1065 let
adamc@815 1066 val (e, st) = exp outer (e, st)
adamc@815 1067 in
adamc@815 1068 ((x, e, t), st)
adamc@815 1069 end) st xets
adamc@815 1070 in
adamc@815 1071 ((ERecord xets, loc), st)
adamc@815 1072 end
adamc@815 1073 | EField (e, s) =>
adamc@815 1074 let
adamc@815 1075 val (e, st) = exp outer (e, st)
adamc@815 1076 in
adamc@815 1077 ((EField (e, s), loc), st)
adamc@815 1078 end
adamc@815 1079
adamc@815 1080 | ECase (e, pes, ts) =>
adamc@815 1081 let
adamc@815 1082 val (e, st) = exp outer (e, st)
adamc@815 1083 val (pes, st) = ListUtil.foldlMap (fn ((p, e), st) =>
adamc@815 1084 let
adamc@815 1085 val (e, st) = exp (patBinds (p, outer)) (e, st)
adamc@815 1086 in
adamc@815 1087 ((p, e), st)
adamc@815 1088 end) st pes
adamc@815 1089 in
adamc@815 1090 ((ECase (e, pes, ts), loc), st)
adamc@815 1091 end
adamc@815 1092
adamc@815 1093 | EStrcat (e1, e2) =>
adamc@815 1094 let
adamc@815 1095 val (e1, st) = exp outer (e1, st)
adamc@815 1096 val (e2, st) = exp outer (e2, st)
adamc@815 1097 in
adamc@815 1098 ((EStrcat (e1, e2), loc), st)
adamc@815 1099 end
adamc@815 1100
adamc@815 1101 | EError (e, t) =>
adamc@815 1102 let
adamc@815 1103 val (e, st) = exp outer (e, st)
adamc@815 1104 in
adamc@815 1105 ((EError (e, t), loc), st)
adamc@815 1106 end
adamc@815 1107 | EReturnBlob {blob, mimeType, t} =>
adamc@815 1108 let
adamc@815 1109 val (blob, st) = exp outer (blob, st)
adamc@815 1110 val (mimeType, st) = exp outer (mimeType, st)
adamc@815 1111 in
adamc@815 1112 ((EReturnBlob {blob = blob, mimeType = mimeType, t = t}, loc), st)
adamc@815 1113 end
adamc@1065 1114 | ERedirect (e, t) =>
adamc@1065 1115 let
adamc@1065 1116 val (e, st) = exp outer (e, st)
adamc@1065 1117 in
adamc@1065 1118 ((ERedirect (e, t), loc), st)
adamc@1065 1119 end
adamc@815 1120
adamc@815 1121 | EWrite e =>
adamc@815 1122 let
adamc@815 1123 val (e, st) = exp outer (e, st)
adamc@815 1124 in
adamc@815 1125 ((EWrite e, loc), st)
adamc@815 1126 end
adamc@815 1127 | ESeq (e1, e2) =>
adamc@815 1128 let
adamc@815 1129 val (e1, st) = exp outer (e1, st)
adamc@815 1130 val (e2, st) = exp outer (e2, st)
adamc@815 1131 in
adamc@815 1132 ((ESeq (e1, e2), loc), st)
adamc@815 1133 end
adamc@815 1134 | ELet (x, t, e1, e2) =>
adamc@815 1135 let
adamc@815 1136 val (e1, st) = exp outer (e1, st)
adamc@815 1137 val (e2, st) = exp (t :: outer) (e2, st)
adamc@815 1138 in
adamc@815 1139 ((ELet (x, t, e1, e2), loc), st)
adamc@815 1140 end
adamc@815 1141
adamc@815 1142 | EClosure (n, es) =>
adamc@815 1143 let
adamc@815 1144 val (es, st) = ListUtil.foldlMap (exp outer) st es
adamc@815 1145 in
adamc@815 1146 ((EClosure (n, es), loc), st)
adamc@815 1147 end
adamc@815 1148
adamc@815 1149 | EQuery {exps, tables, state, query, body, initial} =>
adamc@815 1150 let
adamc@934 1151 val row = exps @ map (fn (x, xts) => (x, (TRecord xts, loc))) tables
adamc@934 1152 val row = ListMergeSort.sort (fn ((x, _), (y, _)) => String.compare (x, y) = GREATER) row
adamc@934 1153 val row = (TRecord row, loc)
adamc@934 1154
adamc@815 1155 val (query, st) = exp outer (query, st)
adamc@934 1156 val (body, st) = exp (state :: row :: outer) (body, st)
adamc@815 1157 val (initial, st) = exp outer (initial, st)
adamc@815 1158 in
adamc@815 1159 ((EQuery {exps = exps, tables = tables, state = state,
adamc@815 1160 query = query, body = body, initial = initial}, loc), st)
adamc@815 1161 end
adam@1293 1162 | EDml (e, mode) =>
adamc@815 1163 let
adamc@815 1164 val (e, st) = exp outer (e, st)
adamc@815 1165 in
adam@1293 1166 ((EDml (e, mode), loc), st)
adamc@815 1167 end
adamc@815 1168 | ENextval e =>
adamc@815 1169 let
adamc@815 1170 val (e, st) = exp outer (e, st)
adamc@815 1171 in
adamc@815 1172 ((ENextval e, loc), st)
adamc@815 1173 end
adamc@1073 1174 | ESetval (e1, e2) =>
adamc@1073 1175 let
adamc@1073 1176 val (e1, st) = exp outer (e1, st)
adamc@1073 1177 val (e2, st) = exp outer (e2, st)
adamc@1073 1178 in
adamc@1073 1179 ((ESetval (e1, e2), loc), st)
adamc@1073 1180 end
adamc@815 1181
adamc@1112 1182 | EUnurlify (e, t, b) =>
adamc@815 1183 let
adamc@815 1184 val (e, st) = exp outer (e, st)
adamc@815 1185 in
adamc@1112 1186 ((EUnurlify (e, t, b), loc), st)
adamc@815 1187 end
adamc@815 1188
adam@1422 1189 | EJavaScript (m as Source t, e') =>
adam@1422 1190 (foundJavaScript := true;
adam@1422 1191 let
adam@1422 1192 val (x', st) = jsExp m (t :: outer) ((ERel 0, loc), st)
adam@1422 1193 in
adam@1422 1194 ((ELet ("x", t, e', x'), loc), st)
adam@1422 1195 end
adam@1422 1196 handle CantEmbed t => ((*ErrorMsg.errorAt loc "Unable to embed type in JavaScript";
adam@1422 1197 Print.preface ("Type",
adam@1422 1198 MonoPrint.p_typ MonoEnv.empty t);*)
adam@1422 1199 (e, st)))
adam@1422 1200
adamc@815 1201 | EJavaScript (m, e') =>
adamc@970 1202 (foundJavaScript := true;
adamc@970 1203 jsExp m outer (e', st)
adamc@1258 1204 handle CantEmbed t => ((*ErrorMsg.errorAt loc "Unable to embed type in JavaScript";
adamc@1258 1205 Print.preface ("Type",
adamc@1258 1206 MonoPrint.p_typ MonoEnv.empty t);*)
adamc@1176 1207 (e, st)))
adamc@815 1208
adamc@815 1209 | ESignalReturn e =>
adamc@815 1210 let
adamc@815 1211 val (e, st) = exp outer (e, st)
adamc@815 1212 in
adamc@815 1213 ((ESignalReturn e, loc), st)
adamc@815 1214 end
adamc@815 1215 | ESignalBind (e1, e2) =>
adamc@815 1216 let
adamc@815 1217 val (e1, st) = exp outer (e1, st)
adamc@815 1218 val (e2, st) = exp outer (e2, st)
adamc@815 1219 in
adamc@815 1220 ((ESignalBind (e1, e2), loc), st)
adamc@815 1221 end
adamc@815 1222 | ESignalSource e =>
adamc@815 1223 let
adamc@815 1224 val (e, st) = exp outer (e, st)
adamc@815 1225 in
adamc@815 1226 ((ESignalSource e, loc), st)
adamc@815 1227 end
adamc@815 1228
adamc@1020 1229 | EServerCall (e1, t, ef) =>
adamc@815 1230 let
adamc@815 1231 val (e1, st) = exp outer (e1, st)
adamc@815 1232 in
adamc@1020 1233 ((EServerCall (e1, t, ef), loc), st)
adamc@815 1234 end
adamc@1021 1235 | ERecv (e1, t) =>
adamc@815 1236 let
adamc@815 1237 val (e1, st) = exp outer (e1, st)
adamc@815 1238 in
adamc@1021 1239 ((ERecv (e1, t), loc), st)
adamc@815 1240 end
adamc@1021 1241 | ESleep e1 =>
adamc@815 1242 let
adamc@815 1243 val (e1, st) = exp outer (e1, st)
adamc@815 1244 in
adamc@1021 1245 ((ESleep e1, loc), st)
adamc@1021 1246 end
adamc@1021 1247 | ESpawn e1 =>
adamc@1021 1248 let
adamc@1021 1249 val (e1, st) = exp outer (e1, st)
adamc@1021 1250 in
adamc@1021 1251 ((ESpawn e1, loc), st)
adamc@815 1252 end)
adamc@815 1253
adamc@815 1254 fun decl (d as (_, loc), st) =
adamc@815 1255 case #1 d of
adamc@815 1256 DVal (x, n, t, e, s) =>
adamc@815 1257 let
adamc@815 1258 val (e, st) = exp [] (e, st)
adamc@815 1259 in
adamc@815 1260 ((DVal (x, n, t, e, s), loc), st)
adamc@815 1261 end
adamc@815 1262 | DValRec vis =>
adamc@815 1263 let
adamc@815 1264 val (vis, st) = ListUtil.foldlMap (fn ((x, n, t, e, s), st) =>
adamc@815 1265 let
adamc@815 1266 val (e, st) = exp [] (e, st)
adamc@815 1267 in
adamc@815 1268 ((x, n, t, e, s), st)
adamc@815 1269 end) st vis
adamc@815 1270 in
adamc@815 1271 ((DValRec vis, loc), st)
adamc@815 1272 end
adamc@815 1273 | _ => (d, st)
adamc@567 1274
adamc@567 1275 fun doDecl (d, st) =
adamc@567 1276 let
adamc@815 1277 (*val () = Print.preface ("doDecl", MonoPrint.p_decl MonoEnv.empty d)*)
adamc@815 1278 val (d, st) = decl (d, st)
adamc@840 1279
adamc@840 1280 val ds =
adamc@840 1281 case #decls st of
adamc@840 1282 [] => [d]
adamc@840 1283 | vis => [(DValRec vis, #2 d), d]
adamc@567 1284 in
adamc@840 1285 (ds,
adamc@567 1286 {decls = [],
adamc@589 1287 script = #script st,
adamc@595 1288 included = #included st,
adamc@595 1289 injectors = #injectors st,
adamc@800 1290 listInjectors = #listInjectors st,
adamc@638 1291 decoders = #decoders st,
adamc@595 1292 maxName = #maxName st})
adamc@567 1293 end
adamc@567 1294
adamc@567 1295 val (ds, st) = ListUtil.foldlMapConcat doDecl
adamc@567 1296 {decls = [],
adamc@589 1297 script = [],
adamc@595 1298 included = IS.empty,
adamc@595 1299 injectors = IM.empty,
adamc@800 1300 listInjectors = TM.empty,
adamc@638 1301 decoders = IM.empty,
adamc@595 1302 maxName = U.File.maxName file + 1}
adamc@815 1303 file
adamc@569 1304
adamc@569 1305 val inf = TextIO.openIn (OS.Path.joinDirFile {dir = Config.libJs, file = "urweb.js"})
adamc@569 1306 fun lines acc =
adamc@569 1307 case TextIO.inputLine inf of
adamc@569 1308 NONE => String.concat (rev acc)
adamc@569 1309 | SOME line => lines (line :: acc)
adamc@569 1310 val lines = lines []
adamc@794 1311
adamc@1323 1312 val urlRules = foldr (fn (r, s) =>
adamc@1323 1313 "cons({allow:"
adamc@1323 1314 ^ (if #action r = Settings.Allow then "true" else "false")
adamc@1323 1315 ^ ",prefix:"
adamc@1323 1316 ^ (if #kind r = Settings.Prefix then "true" else "false")
adamc@1323 1317 ^ ",pattern:\""
adamc@1323 1318 ^ #pattern r
adamc@1323 1319 ^ "\"},"
adamc@1323 1320 ^ s
adamc@1323 1321 ^ ")") "null" (Settings.getUrlRules ())
adamc@1323 1322
adamc@1323 1323 val urlRules = "urlRules = " ^ urlRules ^ ";\n\n"
adamc@1323 1324
adamc@794 1325 val script =
adamc@794 1326 if !foundJavaScript then
adamc@1323 1327 lines ^ urlRules ^ String.concat (rev (#script st))
adamc@794 1328 else
adamc@794 1329 ""
adamc@567 1330 in
adamc@569 1331 TextIO.closeIn inf;
adamc@794 1332 (DJavaScript script, ErrorMsg.dummySpan) :: ds
adamc@567 1333 end
adamc@567 1334
adamc@567 1335 end