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annotate src/mono_opt.sml @ 793:3e5d1c6ae30c

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Stop potential buffer overrun of path_copy
author Adam Chlipala <adamc@hcoop.net>
date Tue, 12 May 2009 20:15:11 -0400
parents efceae06df17
children 493f44759879
rev   line source
adamc@96 1 (* Copyright (c) 2008, Adam Chlipala
adamc@96 2 * All rights reserved.
adamc@96 3 *
adamc@96 4 * Redistribution and use in source and binary forms, with or without
adamc@96 5 * modification, are permitted provided that the following conditions are met:
adamc@96 6 *
adamc@96 7 * - Redistributions of source code must retain the above copyright notice,
adamc@96 8 * this list of conditions and the following disclaimer.
adamc@96 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@96 10 * this list of conditions and the following disclaimer in the documentation
adamc@96 11 * and/or other materials provided with the distribution.
adamc@96 12 * - The names of contributors may not be used to endorse or promote products
adamc@96 13 * derived from this software without specific prior written permission.
adamc@96 14 *
adamc@96 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@96 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@96 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@96 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@96 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@96 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@96 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@96 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@96 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@96 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@96 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@96 26 *)
adamc@96 27
adamc@96 28 structure MonoOpt :> MONO_OPT = struct
adamc@96 29
adamc@96 30 open Mono
adamc@96 31 structure U = MonoUtil
adamc@96 32
adamc@96 33 fun typ t = t
adamc@96 34 fun decl d = d
adamc@96 35
adamc@107 36 fun attrifyInt n =
adamc@107 37 if n < 0 then
adamc@107 38 "-" ^ Int64.toString (Int64.~ n)
adamc@107 39 else
adamc@107 40 Int64.toString n
adamc@107 41
adamc@107 42 fun attrifyFloat n =
adamc@107 43 if n < 0.0 then
adamc@107 44 "-" ^ Real.toString (Real.~ n)
adamc@107 45 else
adamc@107 46 Real.toString n
adamc@107 47
adamc@107 48 val attrifyString = String.translate (fn #"\"" => "&quot;"
adamc@135 49 | #"&" => "&amp;"
adamc@107 50 | ch => if Char.isPrint ch then
adamc@107 51 str ch
adamc@107 52 else
adamc@107 53 "&#" ^ Int.toString (ord ch) ^ ";")
adamc@107 54
adamc@120 55 val urlifyInt = attrifyInt
adamc@120 56 val urlifyFloat = attrifyFloat
adamc@120 57
adamc@286 58 val htmlifyInt = attrifyInt
adamc@286 59 val htmlifyFloat = attrifyFloat
adamc@135 60 val htmlifyString = String.translate (fn ch => case ch of
adamc@135 61 #"<" => "&lt;"
adamc@135 62 | #"&" => "&amp;"
adamc@135 63 | _ =>
adamc@135 64 if Char.isPrint ch orelse Char.isSpace ch then
adamc@135 65 str ch
adamc@135 66 else
adamc@135 67 "&#" ^ Int.toString (ord ch) ^ ";")
adamc@135 68
adamc@120 69 fun hexIt ch =
adamc@120 70 let
adamc@120 71 val s = Int.fmt StringCvt.HEX (ord ch)
adamc@120 72 in
adamc@120 73 case size s of
adamc@120 74 0 => "00"
adamc@120 75 | 1 => "0" ^ s
adamc@120 76 | _ => s
adamc@120 77 end
adamc@120 78
adamc@120 79 val urlifyString = String.translate (fn #" " => "+"
adamc@120 80 | ch => if Char.isAlphaNum ch then
adamc@120 81 str ch
adamc@120 82 else
adamc@120 83 "%" ^ hexIt ch)
adamc@253 84
adamc@253 85
adamc@281 86 fun sqlifyInt n = attrifyInt n ^ "::int8"
adamc@281 87 fun sqlifyFloat n = attrifyFloat n ^ "::float8"
adamc@253 88
adamc@259 89 fun sqlifyString s = "E'" ^ String.translate (fn #"'" => "\\'"
adamc@714 90 | #"\\" => "\\\\"
adamc@714 91 | ch =>
adamc@714 92 if Char.isPrint ch then
adamc@714 93 str ch
adamc@714 94 else
adamc@714 95 "\\" ^ StringCvt.padLeft #"0" 3
adamc@714 96 (Int.fmt StringCvt.OCT (ord ch)))
adamc@281 97 (String.toString s) ^ "'::text"
adamc@453 98
adamc@96 99 fun exp e =
adamc@96 100 case e of
adamc@96 101 EPrim (Prim.String s) =>
adamc@96 102 let
adamc@96 103 val (_, chs) =
adamc@96 104 CharVector.foldl (fn (ch, (lastSpace, chs)) =>
adamc@96 105 let
adamc@96 106 val isSpace = Char.isSpace ch
adamc@96 107 in
adamc@96 108 if isSpace andalso lastSpace then
adamc@96 109 (true, chs)
adamc@96 110 else
adamc@96 111 (isSpace, ch :: chs)
adamc@96 112 end)
adamc@96 113 (false, []) s
adamc@96 114 in
adamc@96 115 EPrim (Prim.String (String.implode (rev chs)))
adamc@96 116 end
adamc@96 117
adamc@96 118 | EStrcat ((EPrim (Prim.String s1), loc), (EPrim (Prim.String s2), _)) =>
adamc@96 119 let
adamc@96 120 val s =
adamc@96 121 if size s1 > 0 andalso size s2 > 0
adamc@96 122 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@96 123 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@96 124 s1 ^ String.extract (s2, 1, NONE)
adamc@96 125 else
adamc@96 126 s1 ^ s2
adamc@96 127 in
adamc@96 128 EPrim (Prim.String s)
adamc@96 129 end
adamc@105 130
adamc@105 131 | EStrcat ((EPrim (Prim.String s1), loc), (EStrcat ((EPrim (Prim.String s2), _), rest), _)) =>
adamc@105 132 let
adamc@105 133 val s =
adamc@105 134 if size s1 > 0 andalso size s2 > 0
adamc@105 135 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@105 136 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@105 137 s1 ^ String.extract (s2, 1, NONE)
adamc@105 138 else
adamc@105 139 s1 ^ s2
adamc@105 140 in
adamc@105 141 EStrcat ((EPrim (Prim.String s), loc), rest)
adamc@105 142 end
adamc@105 143
adamc@105 144 | EStrcat ((EStrcat (e1, e2), loc), e3) =>
adamc@105 145 optExp (EStrcat (e1, (EStrcat (e2, e3), loc)), loc)
adamc@105 146
adamc@106 147 | EWrite (EStrcat (e1, e2), loc) =>
adamc@106 148 ESeq ((optExp (EWrite e1, loc), loc),
adamc@106 149 (optExp (EWrite e2, loc), loc))
adamc@106 150
adamc@183 151 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@183 152 (EWrite (EPrim (Prim.String s2), _), _)) =>
adamc@183 153 EWrite (EPrim (Prim.String (s1 ^ s2)), loc)
adamc@196 154 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@196 155 (ESeq ((EWrite (EPrim (Prim.String s2), _), _),
adamc@196 156 e), _)) =>
adamc@196 157 ESeq ((EWrite (EPrim (Prim.String (s1 ^ s2)), loc), loc),
adamc@196 158 e)
adamc@183 159
adamc@286 160 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", [(EPrim (Prim.Int n), _)]), _)]) =>
adamc@286 161 EPrim (Prim.String (htmlifyInt n))
adamc@286 162 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", es), _)]) =>
adamc@286 163 EFfiApp ("Basis", "htmlifyInt", es)
adamc@320 164 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 165 (EPrim (Prim.Int n), _)), _)]) =>
adamc@320 166 EPrim (Prim.String (htmlifyInt n))
adamc@320 167 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 168 e), _)]) =>
adamc@320 169 EFfiApp ("Basis", "htmlifyInt", [e])
adamc@286 170 | EWrite (EFfiApp ("Basis", "htmlifyInt", [e]), _) =>
adamc@286 171 EFfiApp ("Basis", "htmlifyInt_w", [e])
adamc@286 172
adamc@286 173 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", [(EPrim (Prim.Float n), _)]), _)]) =>
adamc@286 174 EPrim (Prim.String (htmlifyFloat n))
adamc@286 175 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", es), _)]) =>
adamc@286 176 EFfiApp ("Basis", "htmlifyFloat", es)
adamc@320 177 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 178 (EPrim (Prim.Float n), _)), _)]) =>
adamc@320 179 EPrim (Prim.String (htmlifyFloat n))
adamc@320 180 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 181 e), _)]) =>
adamc@320 182 EFfiApp ("Basis", "htmlifyFloat", [e])
adamc@286 183 | EWrite (EFfiApp ("Basis", "htmlifyFloat", [e]), _) =>
adamc@286 184 EFfiApp ("Basis", "htmlifyFloat_w", [e])
adamc@286 185
adamc@286 186 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 187 [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), _)]) =>
adamc@286 188 EPrim (Prim.String "True")
adamc@286 189 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 190 [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), _)]) =>
adamc@286 191 EPrim (Prim.String "False")
adamc@286 192 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString", es), _)]) =>
adamc@286 193 EFfiApp ("Basis", "htmlifyBool", es)
adamc@320 194 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 195 (ECon (Enum, PConFfi {con = "True", ...}, NONE), _)), _)]) =>
adamc@320 196 EPrim (Prim.String "True")
adamc@320 197 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 198 (ECon (Enum, PConFfi {con = "False", ...}, NONE), _)), _)]) =>
adamc@320 199 EPrim (Prim.String "False")
adamc@320 200 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 201 e), _)]) =>
adamc@320 202 EFfiApp ("Basis", "htmlifyBool", [e])
adamc@286 203 | EWrite (EFfiApp ("Basis", "htmlifyBool", [e]), _) =>
adamc@286 204 EFfiApp ("Basis", "htmlifyBool_w", [e])
adamc@286 205
adamc@436 206 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 207 EFfiApp ("Basis", "htmlifyTime", [e])
adamc@436 208 | EFfiApp ("Basis", "htmlifyString_w", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 209 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 210 | EWrite (EFfiApp ("Basis", "htmlifyTime", [e]), _) =>
adamc@436 211 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 212
adamc@135 213 | EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@135 214 EPrim (Prim.String (htmlifyString s))
adamc@135 215 | EWrite (EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@135 216 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 217 | EWrite (EFfiApp ("Basis", "htmlifyString", [e]), _) =>
adamc@135 218 EFfiApp ("Basis", "htmlifyString_w", [e])
adamc@196 219 | EFfiApp ("Basis", "htmlifyString_w", [(EPrim (Prim.String s), loc)]) =>
adamc@196 220 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 221
adamc@107 222 | EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@107 223 EPrim (Prim.String (attrifyInt n))
adamc@107 224 | EWrite (EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@107 225 EWrite (EPrim (Prim.String (attrifyInt n)), loc)
adamc@106 226 | EWrite (EFfiApp ("Basis", "attrifyInt", [e]), _) =>
adamc@106 227 EFfiApp ("Basis", "attrifyInt_w", [e])
adamc@107 228
adamc@107 229 | EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@107 230 EPrim (Prim.String (attrifyFloat n))
adamc@107 231 | EWrite (EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@107 232 EWrite (EPrim (Prim.String (attrifyFloat n)), loc)
adamc@106 233 | EWrite (EFfiApp ("Basis", "attrifyFloat", [e]), _) =>
adamc@106 234 EFfiApp ("Basis", "attrifyFloat_w", [e])
adamc@107 235
adamc@107 236 | EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]) =>
adamc@107 237 EPrim (Prim.String (attrifyString s))
adamc@107 238 | EWrite (EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@107 239 EWrite (EPrim (Prim.String (attrifyString s)), loc)
adamc@106 240 | EWrite (EFfiApp ("Basis", "attrifyString", [e]), _) =>
adamc@106 241 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@106 242
adamc@721 243 | EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]) =>
adamc@721 244 EPrim (Prim.String s)
adamc@721 245 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]), loc) =>
adamc@721 246 EWrite (EPrim (Prim.String s), loc)
adamc@721 247 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [e]), _) =>
adamc@721 248 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@721 249
adamc@120 250 | EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@120 251 EPrim (Prim.String (urlifyInt n))
adamc@120 252 | EWrite (EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@120 253 EWrite (EPrim (Prim.String (urlifyInt n)), loc)
adamc@120 254 | EWrite (EFfiApp ("Basis", "urlifyInt", [e]), _) =>
adamc@120 255 EFfiApp ("Basis", "urlifyInt_w", [e])
adamc@120 256
adamc@120 257 | EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@120 258 EPrim (Prim.String (urlifyFloat n))
adamc@120 259 | EWrite (EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@120 260 EWrite (EPrim (Prim.String (urlifyFloat n)), loc)
adamc@120 261 | EWrite (EFfiApp ("Basis", "urlifyFloat", [e]), _) =>
adamc@120 262 EFfiApp ("Basis", "urlifyFloat_w", [e])
adamc@120 263
adamc@120 264 | EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@120 265 EPrim (Prim.String (urlifyString s))
adamc@120 266 | EWrite (EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@120 267 EWrite (EPrim (Prim.String (urlifyString s)), loc)
adamc@120 268 | EWrite (EFfiApp ("Basis", "urlifyString", [e]), _) =>
adamc@120 269 EFfiApp ("Basis", "urlifyString_w", [e])
adamc@120 270
adamc@188 271 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]) =>
adamc@187 272 EPrim (Prim.String "1")
adamc@188 273 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]) =>
adamc@187 274 EPrim (Prim.String "0")
adamc@188 275 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), loc) =>
adamc@187 276 EWrite (EPrim (Prim.String "1"), loc)
adamc@188 277 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), loc) =>
adamc@187 278 EWrite (EPrim (Prim.String "0"), loc)
adamc@187 279 | EWrite (EFfiApp ("Basis", "urlifyBool", [e]), _) =>
adamc@187 280 EFfiApp ("Basis", "urlifyBool_w", [e])
adamc@187 281
adamc@253 282 | EFfiApp ("Basis", "sqlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@253 283 EPrim (Prim.String (sqlifyInt n))
adamc@467 284 | EFfiApp ("Basis", "sqlifyIntN", [(ENone _, _)]) =>
adamc@467 285 EPrim (Prim.String "NULL")
adamc@467 286 | EFfiApp ("Basis", "sqlifyIntN", [(ESome (_, (EPrim (Prim.Int n), _)), _)]) =>
adamc@467 287 EPrim (Prim.String (sqlifyInt n))
adamc@467 288
adamc@253 289 | EFfiApp ("Basis", "sqlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@253 290 EPrim (Prim.String (sqlifyFloat n))
adamc@253 291 | EFfiApp ("Basis", "sqlifyBool", [b as (_, loc)]) =>
adamc@253 292 optExp (ECase (b,
adamc@253 293 [((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "True", arg = NONE}, NONE), loc),
adamc@253 294 (EPrim (Prim.String "TRUE"), loc)),
adamc@253 295 ((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "False", arg = NONE}, NONE), loc),
adamc@253 296 (EPrim (Prim.String "FALSE"), loc))],
adamc@253 297 {disc = (TFfi ("Basis", "bool"), loc),
adamc@253 298 result = (TFfi ("Basis", "string"), loc)}), loc)
adamc@253 299 | EFfiApp ("Basis", "sqlifyString", [(EPrim (Prim.String n), _)]) =>
adamc@253 300 EPrim (Prim.String (sqlifyString n))
adamc@253 301
adamc@184 302 | EWrite (ECase (discE, pes, {disc, ...}), loc) =>
adamc@184 303 optExp (ECase (discE,
adamc@184 304 map (fn (p, e) => (p, (EWrite e, loc))) pes,
adamc@184 305 {disc = disc,
adamc@184 306 result = (TRecord [], loc)}), loc)
adamc@184 307
adamc@495 308 | EApp ((ECase (discE, pes, {disc, result = (TFun (_, ran), _)}), loc), arg as (ERecord [], _)) =>
adamc@453 309 let
adamc@453 310 fun doBody e =
adamc@453 311 case #1 e of
adamc@453 312 EAbs (_, _, _, body) => MonoReduce.subExpInExp (0, arg) body
adamc@453 313 | _ => (EApp (e, arg), loc)
adamc@453 314 in
adamc@453 315 optExp (ECase (discE,
adamc@453 316 map (fn (p, e) => (p, doBody e)) pes,
adamc@453 317 {disc = disc,
adamc@495 318 result = ran}), loc)
adamc@453 319 end
adamc@453 320
adamc@331 321 | EWrite (EQuery {exps, tables, state, query,
adamc@331 322 initial = (EPrim (Prim.String ""), _),
adamc@331 323 body = (EStrcat ((EPrim (Prim.String s), _),
adamc@331 324 (EStrcat ((ERel 0, _),
adamc@331 325 e'), _)), _)}, loc) =>
adamc@331 326 if CharVector.all Char.isSpace s then
adamc@331 327 EQuery {exps = exps, tables = tables, query = query,
adamc@331 328 state = (TRecord [], loc),
adamc@331 329 initial = (ERecord [], loc),
adamc@331 330 body = (optExp (EWrite e', loc), loc)}
adamc@331 331 else
adamc@331 332 e
adamc@331 333
adamc@334 334 | EWrite (EQuery {exps, tables, state, query,
adamc@334 335 initial = (EPrim (Prim.String ""), _),
adamc@486 336 body}, loc) =>
adamc@486 337 let
adamc@486 338 fun passLets (depth, (e', _), lets) =
adamc@486 339 case e' of
adamc@486 340 EStrcat ((ERel x, _), e'') =>
adamc@486 341 if x = depth then
adamc@486 342 let
adamc@486 343 val body = (optExp (EWrite e'', loc), loc)
adamc@486 344 val body = foldl (fn ((x, t, e'), e) =>
adamc@486 345 (ELet (x, t, e', e), loc))
adamc@486 346 body lets
adamc@486 347 in
adamc@486 348 EQuery {exps = exps, tables = tables, query = query,
adamc@486 349 state = (TRecord [], loc),
adamc@486 350 initial = (ERecord [], loc),
adamc@486 351 body = body}
adamc@486 352 end
adamc@486 353 else
adamc@486 354 e
adamc@486 355 | ELet (x, t, e', e'') =>
adamc@486 356 passLets (depth + 1, e'', (x, t, e') :: lets)
adamc@486 357 | _ => e
adamc@486 358 in
adamc@486 359 passLets (0, body, [])
adamc@486 360 end
adamc@486 361
adamc@486 362 (*| EWrite (EQuery {exps, tables, state, query,
adamc@486 363 initial = (EPrim (Prim.String ""), _),
adamc@334 364 body = (EStrcat ((ERel 0, _), e'), _)}, loc) =>
adamc@334 365 EQuery {exps = exps, tables = tables, query = query,
adamc@334 366 state = (TRecord [], loc),
adamc@334 367 initial = (ERecord [], loc),
adamc@486 368 body = (optExp (EWrite e', loc), loc)}*)
adamc@334 369
adamc@340 370 | EWrite (ELet (x, t, e1, e2), loc) =>
adamc@340 371 optExp (ELet (x, t, e1, (EWrite e2, loc)), loc)
adamc@340 372
adamc@451 373 | EWrite (EPrim (Prim.String ""), loc) =>
adamc@451 374 ERecord []
adamc@451 375
adamc@572 376 | ESignalBind ((ESignalReturn e1, loc), e2) =>
adamc@572 377 optExp (EApp (e2, e1), loc)
adamc@572 378
adamc@578 379 | EJavaScript (_, _, SOME (e, _)) => e
adamc@578 380
adamc@717 381 | EFfiApp ("Basis", "bless", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 382 (if Settings.checkUrl s then
adamc@717 383 ()
adamc@717 384 else
adamc@769 385 ErrorMsg.errorAt loc ("Invalid URL " ^ s ^ " passed to 'bless'");
adamc@717 386 se)
adamc@741 387 | EFfiApp ("Basis", "blessMime", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 388 (if Settings.checkMime s then
adamc@741 389 ()
adamc@741 390 else
adamc@769 391 ErrorMsg.errorAt loc ("Invalid string " ^ s ^ " passed to 'blessMime'");
adamc@741 392 se)
adamc@717 393
adamc@714 394 | EFfiApp ("Basis", "checkString", [(EPrim (Prim.String s), loc)]) =>
adamc@714 395 let
adamc@714 396 fun uwify (cs, acc) =
adamc@714 397 case cs of
adamc@714 398 [] => String.concat (rev acc)
adamc@714 399 | #"(" :: #"_" :: cs => uwify (cs, "(uw_" :: acc)
adamc@714 400 | #" " :: #"_" :: cs => uwify (cs, " uw_" :: acc)
adamc@714 401 | #"'" :: cs =>
adamc@714 402 let
adamc@714 403 fun waitItOut (cs, acc) =
adamc@714 404 case cs of
adamc@714 405 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@714 406 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@714 407 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@714 408 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@714 409 | c :: cs => waitItOut (cs, str c :: acc)
adamc@714 410 in
adamc@714 411 waitItOut (cs, "'" :: acc)
adamc@714 412 end
adamc@714 413 | c :: cs => uwify (cs, str c :: acc)
adamc@714 414
adamc@714 415 val s = case String.explode s of
adamc@714 416 #"_" :: cs => uwify (cs, ["uw_"])
adamc@714 417 | cs => uwify (cs, [])
adamc@714 418 in
adamc@714 419 EPrim (Prim.String s)
adamc@714 420 end
adamc@714 421
adamc@754 422 | EFfiApp ("Basis", "viewify", [(EPrim (Prim.String s), loc)]) =>
adamc@754 423 let
adamc@754 424 fun uwify (cs, acc) =
adamc@754 425 case cs of
adamc@754 426 [] => String.concat (rev acc)
adamc@754 427 | #"A" :: #"S" :: #" " :: #"_" :: cs => uwify (cs, "AS uw_" :: acc)
adamc@754 428 | #"'" :: cs =>
adamc@754 429 let
adamc@754 430 fun waitItOut (cs, acc) =
adamc@754 431 case cs of
adamc@754 432 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@754 433 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@754 434 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@754 435 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@754 436 | c :: cs => waitItOut (cs, str c :: acc)
adamc@754 437 in
adamc@754 438 waitItOut (cs, "'" :: acc)
adamc@754 439 end
adamc@754 440 | c :: cs => uwify (cs, str c :: acc)
adamc@754 441
adamc@754 442 val s = uwify (String.explode s, [])
adamc@754 443 in
adamc@754 444 EPrim (Prim.String s)
adamc@754 445 end
adamc@754 446
adamc@96 447 | _ => e
adamc@96 448
adamc@105 449 and optExp e = #1 (U.Exp.map {typ = typ, exp = exp} e)
adamc@105 450
adamc@96 451 val optimize = U.File.map {typ = typ, exp = exp, decl = decl}
adamc@96 452
adamc@506 453 val optExp = U.Exp.map {typ = typ, exp = exp}
adamc@506 454
adamc@96 455 end