Mercurial > urweb

annotate src/mono_print.sml @ 989:0bdc4d538f1c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Orm searching
author Adam Chlipala <adamc@hcoop.net>
date Mon, 05 Oct 2009 17:24:21 -0400
parents 8e540df3294d
children dfe34fad749d
rev   line source
adamc@25 1 (* Copyright (c) 2008, Adam Chlipala
adamc@25 2 * All rights reserved.
adamc@25 3 *
adamc@25 4 * Redistribution and use in source and binary forms, with or without
adamc@25 5 * modification, are permitted provided that the following conditions are met:
adamc@25 6 *
adamc@25 7 * - Redistributions of source code must retain the above copyright notice,
adamc@25 8 * this list of conditions and the following disclaimer.
adamc@25 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@25 10 * this list of conditions and the following disclaimer in the documentation
adamc@25 11 * and/or other materials provided with the distribution.
adamc@25 12 * - The names of contributors may not be used to endorse or promote products
adamc@25 13 * derived from this software without specific prior written permission.
adamc@25 14 *
adamc@25 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@25 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@25 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@25 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@25 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@25 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@25 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@25 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@25 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@25 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@25 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@25 26 *)
adamc@25 27
adamc@244 28 (* Pretty-printing monomorphic Ur/Web *)
adamc@25 29
adamc@25 30 structure MonoPrint :> MONO_PRINT = struct
adamc@25 31
adamc@25 32 open Print.PD
adamc@25 33 open Print
adamc@25 34
adamc@25 35 open Mono
adamc@25 36
adamc@25 37 structure E = MonoEnv
adamc@25 38
adamc@25 39 val debug = ref false
adamc@25 40
adamc@252 41 val dummyt = (TRecord [], ErrorMsg.dummySpan)
adamc@252 42
adamc@25 43 fun p_typ' par env (t, _) =
adamc@25 44 case t of
adamc@25 45 TFun (t1, t2) => parenIf par (box [p_typ' true env t1,
adamc@25 46 space,
adamc@25 47 string "->",
adamc@25 48 space,
adamc@25 49 p_typ env t2])
adamc@25 50 | TRecord xcs => box [string "{",
adamc@25 51 p_list (fn (x, t) =>
adamc@25 52 box [string x,
adamc@25 53 space,
adamc@25 54 string ":",
adamc@25 55 space,
adamc@25 56 p_typ env t]) xcs,
adamc@25 57 string "}"]
adamc@841 58 | TDatatype (n, ref (dk, _)) =>
adamc@178 59 ((if !debug then
adamc@841 60 string (#1 (E.lookupDatatype env n) ^ "__" ^ Int.toString n ^ "["
adamc@841 61 ^ (case dk of
adamc@841 62 Option => "Option"
adamc@841 63 | Enum => "Enum"
adamc@841 64 | Default => "Default")
adamc@841 65 ^ "]")
adamc@178 66 else
adamc@178 67 string (#1 (E.lookupDatatype env n)))
adamc@178 68 handle E.UnboundNamed _ => string ("UNBOUND_DATATYPE_" ^ Int.toString n))
adamc@51 69 | TFfi (m, x) => box [string "FFI(", string m, string ".", string x, string ")"]
adamc@292 70 | TOption t => box [string "option(",
adamc@292 71 p_typ env t,
adamc@292 72 string ")"]
adamc@757 73 | TList t => box [string "list(",
adamc@757 74 p_typ env t,
adamc@757 75 string ")"]
adamc@577 76 | TSource => string "source"
adamc@568 77 | TSignal t => box [string "signal(",
adamc@568 78 p_typ env t,
adamc@568 79 string ")"]
adamc@25 80
adamc@25 81 and p_typ env = p_typ' false env
adamc@25 82
adamc@109 83 fun p_enamed env n =
adamc@178 84 (if !debug then
adamc@178 85 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@178 86 else
adamc@178 87 string (#1 (E.lookupENamed env n)))
adamc@178 88 handle E.UnboundNamed _ => string ("UNBOUNDN_" ^ Int.toString n)
adamc@178 89
adamc@178 90 fun p_con_named env n =
adamc@178 91 (if !debug then
adamc@178 92 string (#1 (E.lookupConstructor env n) ^ "__" ^ Int.toString n)
adamc@178 93 else
adamc@178 94 string (#1 (E.lookupConstructor env n)))
adamc@178 95 handle E.UnboundNamed _ => string ("CONSTRUCTOR_" ^ Int.toString n)
adamc@178 96
adamc@178 97 fun p_patCon env pc =
adamc@178 98 case pc of
adamc@178 99 PConVar n => p_con_named env n
adamc@186 100 | PConFfi {mod = m, con, ...} => box [string "FFIC(",
adamc@185 101 string m,
adamc@185 102 string ".",
adamc@185 103 string con,
adamc@185 104 string ")"]
adamc@178 105
adamc@178 106 fun p_pat' par env (p, _) =
adamc@178 107 case p of
adamc@178 108 PWild => string "_"
adamc@182 109 | PVar (s, _) => string s
adamc@178 110 | PPrim p => Prim.p_t p
adamc@188 111 | PCon (_, n, NONE) => p_patCon env n
adamc@188 112 | PCon (_, n, SOME p) => parenIf par (box [p_patCon env n,
adamc@288 113 space,
adamc@288 114 p_pat' true env p])
adamc@178 115 | PRecord xps =>
adamc@178 116 box [string "{",
adamc@182 117 p_list_sep (box [string ",", space]) (fn (x, p, _) =>
adamc@178 118 box [string x,
adamc@178 119 space,
adamc@178 120 string "=",
adamc@178 121 space,
adamc@178 122 p_pat env p]) xps,
adamc@178 123 string "}"]
adamc@288 124 | PNone _ => string "None"
adamc@757 125 | PSome (t, p) =>
adamc@757 126 if !debug then
adamc@757 127 box [string "Some[",
adamc@757 128 p_typ env t,
adamc@757 129 string "]",
adamc@757 130 space,
adamc@757 131 p_pat' true env p]
adamc@757 132 else
adamc@757 133 box [string "Some",
adamc@757 134 space,
adamc@757 135 p_pat' true env p]
adamc@178 136
adamc@178 137 and p_pat x = p_pat' false x
adamc@109 138
adamc@591 139 fun p_mode env m =
adamc@591 140 case m of
adamc@591 141 Attribute => string "Attribute"
adamc@591 142 | Script => string "Script"
adamc@591 143 | Source t => box [string "Source", space, p_typ env t]
adamc@591 144
adamc@25 145 fun p_exp' par env (e, _) =
adamc@25 146 case e of
adamc@25 147 EPrim p => Prim.p_t p
adamc@25 148 | ERel n =>
adamc@178 149 ((if !debug then
adamc@178 150 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
adamc@178 151 else
adamc@178 152 string (#1 (E.lookupERel env n)))
adamc@178 153 handle E.UnboundRel _ => string ("UNBOUND_" ^ Int.toString n))
adamc@109 154 | ENamed n => p_enamed env n
adamc@188 155 | ECon (_, pc, NONE) => p_patCon env pc
adamc@188 156 | ECon (_, pc, SOME e) => parenIf par (box [p_patCon env pc,
adamc@188 157 space,
adamc@188 158 p_exp' true env e])
adamc@297 159 | ENone _ => string "None"
adamc@290 160 | ESome (_, e) => parenIf par (box [string "Some",
adamc@290 161 space,
adamc@290 162 p_exp' true env e])
adamc@109 163
adamc@51 164 | EFfi (m, x) => box [string "FFI(", string m, string ".", string x, string ")"]
adamc@51 165 | EFfiApp (m, x, es) => box [string "FFI(",
adamc@51 166 string m,
adamc@51 167 string ".",
adamc@51 168 string x,
adamc@51 169 string "(",
adamc@51 170 p_list (p_exp env) es,
adamc@51 171 string "))"]
adamc@25 172 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
adamc@25 173 space,
adamc@25 174 p_exp' true env e2])
adamc@252 175 | EAbs (x, t, _, e) => parenIf true (box [string "fn",
adamc@252 176 space,
adamc@252 177 string x,
adamc@252 178 space,
adamc@252 179 string ":",
adamc@252 180 space,
adamc@252 181 p_typ env t,
adamc@252 182 space,
adamc@252 183 string "=>",
adamc@252 184 space,
adamc@252 185 p_exp (E.pushERel env x t NONE) e])
adamc@25 186
adamc@387 187 | EUnop (s, e) => parenIf true (box [string s,
adamc@387 188 space,
adamc@387 189 p_exp' true env e])
adamc@387 190 | EBinop (s, e1, e2) => parenIf true (box [p_exp' true env e1,
adamc@387 191 space,
adamc@387 192 string s,
adamc@387 193 space,
adamc@387 194 p_exp' true env e2])
adamc@387 195
adamc@25 196 | ERecord xes => box [string "{",
adamc@29 197 p_list (fn (x, e, _) =>
adamc@25 198 box [string x,
adamc@25 199 space,
adamc@25 200 string "=",
adamc@25 201 space,
adamc@25 202 p_exp env e]) xes,
adamc@25 203 string "}"]
adamc@25 204 | EField (e, x) =>
adamc@25 205 box [p_exp' true env e,
adamc@25 206 string ".",
adamc@25 207 string x]
adamc@25 208
adamc@252 209 | ECase (e, pes, _) => parenIf true (box [string "case",
adamc@252 210 space,
adamc@252 211 p_exp env e,
adamc@252 212 space,
adamc@252 213 string "of",
adamc@252 214 space,
adamc@252 215 p_list_sep (box [space, string "|", space])
adamc@252 216 (fn (p, e) => box [p_pat env p,
adamc@252 217 space,
adamc@252 218 string "=>",
adamc@252 219 space,
adamc@252 220 p_exp (E.patBinds env p) e]) pes])
adamc@94 221
adamc@283 222 | EError (e, t) => box [string "(error",
adamc@283 223 space,
adamc@283 224 p_exp env e,
adamc@283 225 space,
adamc@283 226 string ":",
adamc@283 227 space,
adamc@283 228 p_typ env t,
adamc@283 229 string ")"]
adamc@741 230 | EReturnBlob {blob, mimeType, t} => box [string "(blob",
adamc@741 231 space,
adamc@741 232 p_exp env blob,
adamc@741 233 space,
adamc@741 234 string "in",
adamc@741 235 space,
adamc@741 236 p_exp env mimeType,
adamc@741 237 space,
adamc@741 238 string ":",
adamc@741 239 space,
adamc@741 240 p_typ env t,
adamc@741 241 string ")"]
adamc@283 242
adamc@331 243 | EStrcat (e1, e2) => parenIf par (box [p_exp' true env e1,
adamc@331 244 space,
adamc@331 245 string "^",
adamc@331 246 space,
adamc@331 247 p_exp env e2])
adamc@94 248
adamc@102 249 | EWrite e => box [string "write(",
adamc@102 250 p_exp env e,
adamc@102 251 string ")"]
adamc@102 252
adamc@578 253 | ESeq (e1, e2) => box [string "(",
adamc@578 254 p_exp env e1,
adamc@106 255 string ";",
adamc@106 256 space,
adamc@578 257 p_exp env e2,
adamc@578 258 string ")"]
adamc@252 259 | ELet (x, t, e1, e2) => box [string "(let",
adamc@251 260 space,
adamc@251 261 string x,
adamc@251 262 space,
adamc@251 263 string ":",
adamc@251 264 space,
adamc@251 265 p_typ env t,
adamc@251 266 space,
adamc@251 267 string "=",
adamc@251 268 space,
adamc@252 269 string "(",
adamc@251 270 p_exp env e1,
adamc@252 271 string ")",
adamc@251 272 space,
adamc@251 273 string "in",
adamc@251 274 space,
adamc@252 275 string "(",
adamc@252 276 p_exp (E.pushERel env x t NONE) e2,
adamc@252 277 string "))"]
adamc@106 278
adamc@111 279 | EClosure (n, es) => box [string "CLOSURE(",
adamc@111 280 p_enamed env n,
adamc@111 281 p_list_sep (string "") (fn e => box [string ", ",
adamc@111 282 p_exp env e]) es,
adamc@111 283 string ")"]
adamc@111 284
adamc@252 285 | EQuery {exps, tables, state, query, body, initial} =>
adamc@252 286 box [string "query[",
adamc@252 287 p_list (fn (x, t) => box [string x, space, string ":", space, p_typ env t]) exps,
adamc@252 288 string "] [",
adamc@252 289 p_list (fn (x, xts) => box [string x,
adamc@252 290 space,
adamc@252 291 string ":",
adamc@252 292 space,
adamc@252 293 string "{",
adamc@252 294 p_list (fn (x, t) => box [string x, space, string ":", space, p_typ env t]) xts,
adamc@252 295 string "}"]) tables,
adamc@252 296 string "] [",
adamc@252 297 p_typ env state,
adamc@252 298 string "]",
adamc@252 299 space,
adamc@252 300 p_exp env query,
adamc@252 301 space,
adamc@252 302 string "initial",
adamc@252 303 space,
adamc@252 304 p_exp env initial,
adamc@252 305 space,
adamc@252 306 string "in",
adamc@252 307 space,
adamc@252 308 p_exp (E.pushERel (E.pushERel env "r" dummyt NONE) "acc" dummyt NONE) body]
adamc@307 309 | EDml e => box [string "dml(",
adamc@307 310 p_exp env e,
adamc@307 311 string ")"]
adamc@338 312 | ENextval e => box [string "nextval(",
adamc@338 313 p_exp env e,
adamc@338 314 string ")"]
adamc@463 315 | EUnurlify (e, _) => box [string "unurlify(",
adamc@463 316 p_exp env e,
adamc@463 317 string ")"]
adamc@815 318 | EJavaScript (m, e) => box [string "JavaScript(",
adamc@815 319 p_mode env m,
adamc@815 320 string ",",
adamc@815 321 space,
adamc@815 322 p_exp env e,
adamc@815 323 string ")"]
adamc@568 324
adamc@568 325 | ESignalReturn e => box [string "Return(",
adamc@568 326 p_exp env e,
adamc@568 327 string ")"]
adamc@574 328 | ESignalBind (e1, e2) => box [string "Bind(",
adamc@572 329 p_exp env e1,
adamc@572 330 string ",",
adamc@572 331 space,
adamc@572 332 p_exp env e2,
adamc@572 333 string ")"]
adamc@574 334 | ESignalSource e => box [string "Source(",
adamc@574 335 p_exp env e,
adamc@574 336 string ")"]
adamc@252 337
adamc@910 338 | EServerCall (n, e, _, _) => box [string "Server(",
adamc@910 339 p_exp env n,
adamc@910 340 string ")[",
adamc@910 341 p_exp env e,
adamc@910 342 string "]"]
adamc@670 343 | ERecv (n, e, _) => box [string "Recv(",
adamc@670 344 p_exp env n,
adamc@670 345 string ")[",
adamc@670 346 p_exp env e,
adamc@670 347 string "]"]
adamc@695 348 | ESleep (n, e) => box [string "Sleep(",
adamc@695 349 p_exp env n,
adamc@695 350 string ")[",
adamc@695 351 p_exp env e,
adamc@695 352 string "]"]
adamc@608 353
adamc@25 354 and p_exp env = p_exp' false env
adamc@25 355
adamc@126 356 fun p_vali env (x, n, t, e, s) =
adamc@126 357 let
adamc@126 358 val xp = if !debug then
adamc@126 359 box [string x,
adamc@126 360 string "__",
adamc@126 361 string (Int.toString n)]
adamc@126 362 else
adamc@126 363 string x
adamc@126 364 in
adamc@126 365 box [xp,
adamc@126 366 space,
adamc@126 367 string "as",
adamc@126 368 space,
adamc@126 369 string s,
adamc@126 370 space,
adamc@126 371 string ":",
adamc@126 372 space,
adamc@126 373 p_typ env t,
adamc@126 374 space,
adamc@126 375 string "=",
adamc@126 376 space,
adamc@126 377 p_exp env e]
adamc@126 378 end
adamc@126 379
adamc@164 380 fun p_datatype env (x, n, cons) =
adamc@164 381 let
adamc@168 382 val env = E.pushDatatype env x n cons
adamc@164 383 in
adamc@808 384 box [string x,
adamc@164 385 space,
adamc@164 386 string "=",
adamc@164 387 space,
adamc@164 388 p_list_sep (box [space, string "|", space])
adamc@164 389 (fn (x, n, NONE) => if !debug then (string (x ^ "__" ^ Int.toString n))
adamc@164 390 else string x
adamc@164 391 | (x, _, SOME t) => box [if !debug then (string (x ^ "__" ^ Int.toString n))
adamc@164 392 else string x, space, string "of", space, p_typ env t])
adamc@164 393 cons]
adamc@164 394 end
adamc@164 395
adamc@126 396 fun p_decl env (dAll as (d, _) : decl) =
adamc@25 397 case d of
adamc@808 398 DDatatype x => box [string "datatype",
adamc@808 399 space,
adamc@808 400 p_list_sep (box [space, string "and", space]) (p_datatype (E.declBinds env dAll)) x]
adamc@164 401 | DVal vi => box [string "val",
adamc@126 402 space,
adamc@126 403 p_vali env vi]
adamc@126 404 | DValRec vis =>
adamc@25 405 let
adamc@126 406 val env = E.declBinds env dAll
adamc@25 407 in
adamc@25 408 box [string "val",
adamc@25 409 space,
adamc@126 410 string "rec",
adamc@25 411 space,
adamc@126 412 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
adamc@25 413 end
adamc@109 414
adamc@609 415 | DExport (ek, s, n, ts, t) => box [string "export",
adamc@609 416 space,
adamc@732 417 Export.p_export_kind ek,
adamc@609 418 space,
adamc@609 419 p_enamed env n,
adamc@609 420 space,
adamc@609 421 string "as",
adamc@609 422 space,
adamc@609 423 string s,
adamc@609 424 p_list_sep (string "") (fn t => box [space,
adamc@609 425 string "(",
adamc@609 426 p_typ env t,
adamc@609 427 string ")"]) ts,
adamc@609 428 space,
adamc@609 429 string "->",
adamc@609 430 space,
adamc@609 431 p_typ env t]
adamc@271 432
adamc@707 433 | DTable (s, xts, pe, ce) => box [string "(* SQL table ",
adamc@707 434 string s,
adamc@707 435 space,
adamc@707 436 string ":",
adamc@707 437 space,
adamc@707 438 p_list (fn (x, t) => box [string x,
adamc@707 439 space,
adamc@707 440 string ":",
adamc@707 441 space,
adamc@707 442 p_typ env t]) xts,
adamc@707 443 space,
adamc@707 444 string "keys",
adamc@707 445 space,
adamc@707 446 p_exp env pe,
adamc@707 447 space,
adamc@707 448 string "constraints",
adamc@707 449 space,
adamc@707 450 p_exp env ce,
adamc@707 451 space,
adamc@707 452 string "*)"]
adamc@338 453 | DSequence s => box [string "(* SQL sequence ",
adamc@338 454 string s,
adamc@338 455 string "*)"]
adamc@754 456 | DView (s, _, e) => box [string "(* SQL view ",
adamc@754 457 string s,
adamc@754 458 space,
adamc@754 459 string "as",
adamc@754 460 space,
adamc@754 461 p_exp env e,
adamc@754 462 string "*)"]
adamc@687 463 | DDatabase {name, expunge, initialize} => box [string "database",
adamc@687 464 space,
adamc@687 465 string name,
adamc@687 466 space,
adamc@687 467 string "(",
adamc@687 468 p_enamed env expunge,
adamc@687 469 string ",",
adamc@687 470 space,
adamc@687 471 p_enamed env initialize,
adamc@687 472 string ")"]
adamc@569 473 | DJavaScript s => box [string "JavaScript(",
adamc@569 474 string s,
adamc@569 475 string ")"]
adamc@569 476
adamc@725 477 | DCookie s => box [string "cookie",
adamc@725 478 space,
adamc@725 479 string s]
adamc@720 480 | DStyle s => box [string "style",
adamc@720 481 space,
adamc@720 482 string s]
adamc@718 483
adamc@100 484
adamc@25 485 fun p_file env file =
adamc@25 486 let
adamc@31 487 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 488 (p_decl env d,
adamc@31 489 E.declBinds env d))
adamc@25 490 env file
adamc@25 491 in
adamc@25 492 p_list_sep newline (fn x => x) pds
adamc@25 493 end
adamc@25 494
adamc@25 495 end