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annotate src/mono_opt.sml @ 933:6a284a3519ba

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Fix some MySQL bugs
author Adam Chlipala <adamc@hcoop.net>
date Sun, 13 Sep 2009 15:33:11 -0400
parents 552c989c1601
children ad434669f299
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@925 79 fun urlifyString s =
adamc@925 80 case s of
adamc@925 81 "" => "_"
adamc@925 82 | _ =>
adamc@925 83 (if String.sub (s, 0) = #"_" then
adamc@925 84 "_"
adamc@925 85 else
adamc@925 86 "")
adamc@925 87 ^ String.translate (fn #" " => "+"
adamc@925 88 | ch => if Char.isAlphaNum ch then
adamc@925 89 str ch
adamc@925 90 else
adamc@925 91 "%" ^ hexIt ch) s
adamc@253 92
adamc@253 93
adamc@877 94 fun sqlifyInt n = #p_cast (Settings.currentDbms ()) (attrifyInt n, Settings.Int)
adamc@877 95 fun sqlifyFloat n = #p_cast (Settings.currentDbms ()) (attrifyFloat n, Settings.Float)
adamc@253 96
adamc@874 97 fun sqlifyString s = #sqlifyString (Settings.currentDbms ()) s
adamc@874 98
adamc@874 99 fun unAs s =
adamc@874 100 let
adamc@874 101 fun doChars (cs, acc) =
adamc@874 102 case cs of
adamc@874 103 #"T" :: #"." :: cs => doChars (cs, acc)
adamc@874 104 | #"'" :: cs => doString (cs, acc)
adamc@874 105 | ch :: cs => doChars (cs, ch :: acc)
adamc@874 106 | [] => String.implode (rev acc)
adamc@874 107
adamc@874 108 and doString (cs, acc) =
adamc@874 109 case cs of
adamc@874 110 #"\\" :: #"\\" :: cs => doString (cs, #"\\" :: #"\\" :: acc)
adamc@874 111 | #"\\" :: #"'" :: cs => doString (cs, #"'" :: #"\\" :: acc)
adamc@874 112 | #"'" :: cs => doChars (cs, #"'" :: acc)
adamc@874 113 | ch :: cs => doString (cs, ch :: acc)
adamc@874 114 | [] => String.implode (rev acc)
adamc@874 115 in
adamc@874 116 doChars (String.explode s, [])
adamc@874 117 end
adamc@453 118
adamc@96 119 fun exp e =
adamc@96 120 case e of
adamc@96 121 EPrim (Prim.String s) =>
adamc@96 122 let
adamc@96 123 val (_, chs) =
adamc@96 124 CharVector.foldl (fn (ch, (lastSpace, chs)) =>
adamc@96 125 let
adamc@96 126 val isSpace = Char.isSpace ch
adamc@96 127 in
adamc@96 128 if isSpace andalso lastSpace then
adamc@96 129 (true, chs)
adamc@96 130 else
adamc@96 131 (isSpace, ch :: chs)
adamc@96 132 end)
adamc@96 133 (false, []) s
adamc@96 134 in
adamc@96 135 EPrim (Prim.String (String.implode (rev chs)))
adamc@96 136 end
adamc@96 137
adamc@96 138 | EStrcat ((EPrim (Prim.String s1), loc), (EPrim (Prim.String s2), _)) =>
adamc@96 139 let
adamc@96 140 val s =
adamc@96 141 if size s1 > 0 andalso size s2 > 0
adamc@96 142 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@96 143 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@96 144 s1 ^ String.extract (s2, 1, NONE)
adamc@96 145 else
adamc@96 146 s1 ^ s2
adamc@96 147 in
adamc@96 148 EPrim (Prim.String s)
adamc@96 149 end
adamc@105 150
adamc@105 151 | EStrcat ((EPrim (Prim.String s1), loc), (EStrcat ((EPrim (Prim.String s2), _), rest), _)) =>
adamc@105 152 let
adamc@105 153 val s =
adamc@105 154 if size s1 > 0 andalso size s2 > 0
adamc@105 155 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@105 156 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@105 157 s1 ^ String.extract (s2, 1, NONE)
adamc@105 158 else
adamc@105 159 s1 ^ s2
adamc@105 160 in
adamc@105 161 EStrcat ((EPrim (Prim.String s), loc), rest)
adamc@105 162 end
adamc@105 163
adamc@105 164 | EStrcat ((EStrcat (e1, e2), loc), e3) =>
adamc@105 165 optExp (EStrcat (e1, (EStrcat (e2, e3), loc)), loc)
adamc@105 166
adamc@106 167 | EWrite (EStrcat (e1, e2), loc) =>
adamc@106 168 ESeq ((optExp (EWrite e1, loc), loc),
adamc@106 169 (optExp (EWrite e2, loc), loc))
adamc@106 170
adamc@183 171 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@183 172 (EWrite (EPrim (Prim.String s2), _), _)) =>
adamc@183 173 EWrite (EPrim (Prim.String (s1 ^ s2)), loc)
adamc@196 174 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@196 175 (ESeq ((EWrite (EPrim (Prim.String s2), _), _),
adamc@196 176 e), _)) =>
adamc@196 177 ESeq ((EWrite (EPrim (Prim.String (s1 ^ s2)), loc), loc),
adamc@196 178 e)
adamc@183 179
adamc@286 180 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", [(EPrim (Prim.Int n), _)]), _)]) =>
adamc@286 181 EPrim (Prim.String (htmlifyInt n))
adamc@286 182 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", es), _)]) =>
adamc@286 183 EFfiApp ("Basis", "htmlifyInt", es)
adamc@320 184 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 185 (EPrim (Prim.Int n), _)), _)]) =>
adamc@320 186 EPrim (Prim.String (htmlifyInt n))
adamc@320 187 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 188 e), _)]) =>
adamc@320 189 EFfiApp ("Basis", "htmlifyInt", [e])
adamc@286 190 | EWrite (EFfiApp ("Basis", "htmlifyInt", [e]), _) =>
adamc@286 191 EFfiApp ("Basis", "htmlifyInt_w", [e])
adamc@286 192
adamc@286 193 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", [(EPrim (Prim.Float n), _)]), _)]) =>
adamc@286 194 EPrim (Prim.String (htmlifyFloat n))
adamc@286 195 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", es), _)]) =>
adamc@286 196 EFfiApp ("Basis", "htmlifyFloat", es)
adamc@320 197 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 198 (EPrim (Prim.Float n), _)), _)]) =>
adamc@320 199 EPrim (Prim.String (htmlifyFloat n))
adamc@320 200 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 201 e), _)]) =>
adamc@320 202 EFfiApp ("Basis", "htmlifyFloat", [e])
adamc@286 203 | EWrite (EFfiApp ("Basis", "htmlifyFloat", [e]), _) =>
adamc@286 204 EFfiApp ("Basis", "htmlifyFloat_w", [e])
adamc@286 205
adamc@286 206 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 207 [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), _)]) =>
adamc@286 208 EPrim (Prim.String "True")
adamc@286 209 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 210 [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), _)]) =>
adamc@286 211 EPrim (Prim.String "False")
adamc@286 212 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString", es), _)]) =>
adamc@286 213 EFfiApp ("Basis", "htmlifyBool", es)
adamc@320 214 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 215 (ECon (Enum, PConFfi {con = "True", ...}, NONE), _)), _)]) =>
adamc@320 216 EPrim (Prim.String "True")
adamc@320 217 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 218 (ECon (Enum, PConFfi {con = "False", ...}, NONE), _)), _)]) =>
adamc@320 219 EPrim (Prim.String "False")
adamc@320 220 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 221 e), _)]) =>
adamc@320 222 EFfiApp ("Basis", "htmlifyBool", [e])
adamc@286 223 | EWrite (EFfiApp ("Basis", "htmlifyBool", [e]), _) =>
adamc@286 224 EFfiApp ("Basis", "htmlifyBool_w", [e])
adamc@286 225
adamc@436 226 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 227 EFfiApp ("Basis", "htmlifyTime", [e])
adamc@436 228 | EFfiApp ("Basis", "htmlifyString_w", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 229 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 230 | EWrite (EFfiApp ("Basis", "htmlifyTime", [e]), _) =>
adamc@436 231 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 232
adamc@135 233 | EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@135 234 EPrim (Prim.String (htmlifyString s))
adamc@135 235 | EWrite (EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@135 236 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 237 | EWrite (EFfiApp ("Basis", "htmlifyString", [e]), _) =>
adamc@135 238 EFfiApp ("Basis", "htmlifyString_w", [e])
adamc@196 239 | EFfiApp ("Basis", "htmlifyString_w", [(EPrim (Prim.String s), loc)]) =>
adamc@196 240 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 241
adamc@107 242 | EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@107 243 EPrim (Prim.String (attrifyInt n))
adamc@107 244 | EWrite (EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@107 245 EWrite (EPrim (Prim.String (attrifyInt n)), loc)
adamc@106 246 | EWrite (EFfiApp ("Basis", "attrifyInt", [e]), _) =>
adamc@106 247 EFfiApp ("Basis", "attrifyInt_w", [e])
adamc@107 248
adamc@107 249 | EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@107 250 EPrim (Prim.String (attrifyFloat n))
adamc@107 251 | EWrite (EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@107 252 EWrite (EPrim (Prim.String (attrifyFloat n)), loc)
adamc@106 253 | EWrite (EFfiApp ("Basis", "attrifyFloat", [e]), _) =>
adamc@106 254 EFfiApp ("Basis", "attrifyFloat_w", [e])
adamc@107 255
adamc@107 256 | EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]) =>
adamc@107 257 EPrim (Prim.String (attrifyString s))
adamc@107 258 | EWrite (EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@107 259 EWrite (EPrim (Prim.String (attrifyString s)), loc)
adamc@106 260 | EWrite (EFfiApp ("Basis", "attrifyString", [e]), _) =>
adamc@106 261 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@106 262
adamc@721 263 | EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]) =>
adamc@721 264 EPrim (Prim.String s)
adamc@721 265 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]), loc) =>
adamc@721 266 EWrite (EPrim (Prim.String s), loc)
adamc@721 267 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [e]), _) =>
adamc@721 268 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@721 269
adamc@120 270 | EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@120 271 EPrim (Prim.String (urlifyInt n))
adamc@120 272 | EWrite (EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@120 273 EWrite (EPrim (Prim.String (urlifyInt n)), loc)
adamc@120 274 | EWrite (EFfiApp ("Basis", "urlifyInt", [e]), _) =>
adamc@120 275 EFfiApp ("Basis", "urlifyInt_w", [e])
adamc@120 276
adamc@120 277 | EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@120 278 EPrim (Prim.String (urlifyFloat n))
adamc@120 279 | EWrite (EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@120 280 EWrite (EPrim (Prim.String (urlifyFloat n)), loc)
adamc@120 281 | EWrite (EFfiApp ("Basis", "urlifyFloat", [e]), _) =>
adamc@120 282 EFfiApp ("Basis", "urlifyFloat_w", [e])
adamc@120 283
adamc@120 284 | EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@120 285 EPrim (Prim.String (urlifyString s))
adamc@120 286 | EWrite (EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@120 287 EWrite (EPrim (Prim.String (urlifyString s)), loc)
adamc@120 288 | EWrite (EFfiApp ("Basis", "urlifyString", [e]), _) =>
adamc@120 289 EFfiApp ("Basis", "urlifyString_w", [e])
adamc@120 290
adamc@188 291 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]) =>
adamc@187 292 EPrim (Prim.String "1")
adamc@188 293 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]) =>
adamc@187 294 EPrim (Prim.String "0")
adamc@188 295 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), loc) =>
adamc@187 296 EWrite (EPrim (Prim.String "1"), loc)
adamc@188 297 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), loc) =>
adamc@187 298 EWrite (EPrim (Prim.String "0"), loc)
adamc@187 299 | EWrite (EFfiApp ("Basis", "urlifyBool", [e]), _) =>
adamc@187 300 EFfiApp ("Basis", "urlifyBool_w", [e])
adamc@187 301
adamc@253 302 | EFfiApp ("Basis", "sqlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@253 303 EPrim (Prim.String (sqlifyInt n))
adamc@467 304 | EFfiApp ("Basis", "sqlifyIntN", [(ENone _, _)]) =>
adamc@467 305 EPrim (Prim.String "NULL")
adamc@467 306 | EFfiApp ("Basis", "sqlifyIntN", [(ESome (_, (EPrim (Prim.Int n), _)), _)]) =>
adamc@467 307 EPrim (Prim.String (sqlifyInt n))
adamc@467 308
adamc@253 309 | EFfiApp ("Basis", "sqlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@253 310 EPrim (Prim.String (sqlifyFloat n))
adamc@253 311 | EFfiApp ("Basis", "sqlifyBool", [b as (_, loc)]) =>
adamc@253 312 optExp (ECase (b,
adamc@253 313 [((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "True", arg = NONE}, NONE), loc),
adamc@253 314 (EPrim (Prim.String "TRUE"), loc)),
adamc@253 315 ((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "False", arg = NONE}, NONE), loc),
adamc@253 316 (EPrim (Prim.String "FALSE"), loc))],
adamc@253 317 {disc = (TFfi ("Basis", "bool"), loc),
adamc@253 318 result = (TFfi ("Basis", "string"), loc)}), loc)
adamc@253 319 | EFfiApp ("Basis", "sqlifyString", [(EPrim (Prim.String n), _)]) =>
adamc@253 320 EPrim (Prim.String (sqlifyString n))
adamc@253 321
adamc@184 322 | EWrite (ECase (discE, pes, {disc, ...}), loc) =>
adamc@184 323 optExp (ECase (discE,
adamc@184 324 map (fn (p, e) => (p, (EWrite e, loc))) pes,
adamc@184 325 {disc = disc,
adamc@184 326 result = (TRecord [], loc)}), loc)
adamc@184 327
adamc@495 328 | EApp ((ECase (discE, pes, {disc, result = (TFun (_, ran), _)}), loc), arg as (ERecord [], _)) =>
adamc@453 329 let
adamc@453 330 fun doBody e =
adamc@453 331 case #1 e of
adamc@453 332 EAbs (_, _, _, body) => MonoReduce.subExpInExp (0, arg) body
adamc@453 333 | _ => (EApp (e, arg), loc)
adamc@453 334 in
adamc@453 335 optExp (ECase (discE,
adamc@453 336 map (fn (p, e) => (p, doBody e)) pes,
adamc@453 337 {disc = disc,
adamc@495 338 result = ran}), loc)
adamc@453 339 end
adamc@453 340
adamc@331 341 | EWrite (EQuery {exps, tables, state, query,
adamc@331 342 initial = (EPrim (Prim.String ""), _),
adamc@331 343 body = (EStrcat ((EPrim (Prim.String s), _),
adamc@331 344 (EStrcat ((ERel 0, _),
adamc@331 345 e'), _)), _)}, loc) =>
adamc@331 346 if CharVector.all Char.isSpace s then
adamc@331 347 EQuery {exps = exps, tables = tables, query = query,
adamc@331 348 state = (TRecord [], loc),
adamc@331 349 initial = (ERecord [], loc),
adamc@331 350 body = (optExp (EWrite e', loc), loc)}
adamc@331 351 else
adamc@331 352 e
adamc@331 353
adamc@334 354 | EWrite (EQuery {exps, tables, state, query,
adamc@334 355 initial = (EPrim (Prim.String ""), _),
adamc@486 356 body}, loc) =>
adamc@486 357 let
adamc@486 358 fun passLets (depth, (e', _), lets) =
adamc@486 359 case e' of
adamc@486 360 EStrcat ((ERel x, _), e'') =>
adamc@486 361 if x = depth then
adamc@486 362 let
adamc@486 363 val body = (optExp (EWrite e'', loc), loc)
adamc@486 364 val body = foldl (fn ((x, t, e'), e) =>
adamc@486 365 (ELet (x, t, e', e), loc))
adamc@486 366 body lets
adamc@486 367 in
adamc@486 368 EQuery {exps = exps, tables = tables, query = query,
adamc@486 369 state = (TRecord [], loc),
adamc@486 370 initial = (ERecord [], loc),
adamc@486 371 body = body}
adamc@486 372 end
adamc@486 373 else
adamc@486 374 e
adamc@486 375 | ELet (x, t, e', e'') =>
adamc@486 376 passLets (depth + 1, e'', (x, t, e') :: lets)
adamc@486 377 | _ => e
adamc@486 378 in
adamc@486 379 passLets (0, body, [])
adamc@486 380 end
adamc@486 381
adamc@486 382 (*| EWrite (EQuery {exps, tables, state, query,
adamc@486 383 initial = (EPrim (Prim.String ""), _),
adamc@334 384 body = (EStrcat ((ERel 0, _), e'), _)}, loc) =>
adamc@334 385 EQuery {exps = exps, tables = tables, query = query,
adamc@334 386 state = (TRecord [], loc),
adamc@334 387 initial = (ERecord [], loc),
adamc@486 388 body = (optExp (EWrite e', loc), loc)}*)
adamc@334 389
adamc@340 390 | EWrite (ELet (x, t, e1, e2), loc) =>
adamc@340 391 optExp (ELet (x, t, e1, (EWrite e2, loc)), loc)
adamc@340 392
adamc@451 393 | EWrite (EPrim (Prim.String ""), loc) =>
adamc@451 394 ERecord []
adamc@451 395
adamc@572 396 | ESignalBind ((ESignalReturn e1, loc), e2) =>
adamc@572 397 optExp (EApp (e2, e1), loc)
adamc@572 398
adamc@717 399 | EFfiApp ("Basis", "bless", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 400 (if Settings.checkUrl s then
adamc@717 401 ()
adamc@717 402 else
adamc@769 403 ErrorMsg.errorAt loc ("Invalid URL " ^ s ^ " passed to 'bless'");
adamc@717 404 se)
adamc@741 405 | EFfiApp ("Basis", "blessMime", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 406 (if Settings.checkMime s then
adamc@741 407 ()
adamc@741 408 else
adamc@769 409 ErrorMsg.errorAt loc ("Invalid string " ^ s ^ " passed to 'blessMime'");
adamc@741 410 se)
adamc@717 411
adamc@714 412 | EFfiApp ("Basis", "checkString", [(EPrim (Prim.String s), loc)]) =>
adamc@714 413 let
adamc@714 414 fun uwify (cs, acc) =
adamc@714 415 case cs of
adamc@714 416 [] => String.concat (rev acc)
adamc@714 417 | #"(" :: #"_" :: cs => uwify (cs, "(uw_" :: acc)
adamc@714 418 | #" " :: #"_" :: cs => uwify (cs, " uw_" :: acc)
adamc@714 419 | #"'" :: cs =>
adamc@714 420 let
adamc@714 421 fun waitItOut (cs, acc) =
adamc@714 422 case cs of
adamc@714 423 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@714 424 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@714 425 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@714 426 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@714 427 | c :: cs => waitItOut (cs, str c :: acc)
adamc@714 428 in
adamc@714 429 waitItOut (cs, "'" :: acc)
adamc@714 430 end
adamc@714 431 | c :: cs => uwify (cs, str c :: acc)
adamc@714 432
adamc@714 433 val s = case String.explode s of
adamc@714 434 #"_" :: cs => uwify (cs, ["uw_"])
adamc@714 435 | cs => uwify (cs, [])
adamc@714 436 in
adamc@714 437 EPrim (Prim.String s)
adamc@714 438 end
adamc@714 439
adamc@754 440 | EFfiApp ("Basis", "viewify", [(EPrim (Prim.String s), loc)]) =>
adamc@754 441 let
adamc@754 442 fun uwify (cs, acc) =
adamc@754 443 case cs of
adamc@754 444 [] => String.concat (rev acc)
adamc@754 445 | #"A" :: #"S" :: #" " :: #"_" :: cs => uwify (cs, "AS uw_" :: acc)
adamc@754 446 | #"'" :: cs =>
adamc@754 447 let
adamc@754 448 fun waitItOut (cs, acc) =
adamc@754 449 case cs of
adamc@754 450 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@754 451 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@754 452 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@754 453 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@754 454 | c :: cs => waitItOut (cs, str c :: acc)
adamc@754 455 in
adamc@754 456 waitItOut (cs, "'" :: acc)
adamc@754 457 end
adamc@754 458 | c :: cs => uwify (cs, str c :: acc)
adamc@754 459
adamc@754 460 val s = uwify (String.explode s, [])
adamc@754 461 in
adamc@754 462 EPrim (Prim.String s)
adamc@754 463 end
adamc@754 464
adamc@874 465 | EFfiApp ("Basis", "unAs", [(EPrim (Prim.String s), _)]) =>
adamc@874 466 EPrim (Prim.String (unAs s))
adamc@874 467 | EFfiApp ("Basis", "unAs", [e']) =>
adamc@874 468 let
adamc@874 469 fun parts (e as (_, loc)) =
adamc@874 470 case #1 e of
adamc@874 471 EStrcat (s1, s2) =>
adamc@874 472 (case (parts s1, parts s2) of
adamc@874 473 (SOME p1, SOME p2) => SOME (p1 @ p2)
adamc@874 474 | _ => NONE)
adamc@874 475 | EPrim (Prim.String s) => SOME [(EPrim (Prim.String (unAs s)), loc)]
adamc@874 476 | EFfiApp ("Basis", f, [_]) =>
adamc@874 477 if String.isPrefix "sqlify" f then
adamc@874 478 SOME [e]
adamc@874 479 else
adamc@874 480 NONE
adamc@874 481 | _ => NONE
adamc@874 482 in
adamc@874 483 case parts e' of
adamc@874 484 SOME [e] => #1 e
adamc@874 485 | SOME es =>
adamc@874 486 (case rev es of
adamc@874 487 (e as (_, loc)) :: es => #1 (foldl (fn (e, es) => (EStrcat (e, es), loc)) e es)
adamc@874 488 | [] => raise Fail "MonoOpt impossible nil")
adamc@874 489 | NONE => e
adamc@874 490 end
adamc@874 491
adamc@96 492 | _ => e
adamc@96 493
adamc@105 494 and optExp e = #1 (U.Exp.map {typ = typ, exp = exp} e)
adamc@105 495
adamc@96 496 val optimize = U.File.map {typ = typ, exp = exp, decl = decl}
adamc@96 497
adamc@506 498 val optExp = U.Exp.map {typ = typ, exp = exp}
adamc@506 499
adamc@96 500 end