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annotate src/mono_opt.sml @ 1024:93415bcf54c0

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Optimizing str1 in MonoOpt
author Adam Chlipala <adamc@hcoop.net>
date Sun, 01 Nov 2009 10:31:18 -0500
parents ea9f03ac2710
children 4eb1c4a1b057
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@1011 48 fun attrifyChar ch =
adamc@1011 49 case ch of
adamc@1011 50 #"\"" => "&quot;"
adamc@1011 51 | #"&" => "&amp;"
adamc@1011 52 | ch => if Char.isPrint ch then
adamc@1011 53 str ch
adamc@1011 54 else
adamc@1011 55 "&#" ^ Int.toString (ord ch) ^ ";"
adamc@1011 56
adamc@1011 57 val attrifyString = String.translate attrifyChar
adamc@107 58
adamc@120 59 val urlifyInt = attrifyInt
adamc@120 60 val urlifyFloat = attrifyFloat
adamc@120 61
adamc@286 62 val htmlifyInt = attrifyInt
adamc@286 63 val htmlifyFloat = attrifyFloat
adamc@135 64 val htmlifyString = String.translate (fn ch => case ch of
adamc@135 65 #"<" => "&lt;"
adamc@135 66 | #"&" => "&amp;"
adamc@135 67 | _ =>
adamc@135 68 if Char.isPrint ch orelse Char.isSpace ch then
adamc@135 69 str ch
adamc@135 70 else
adamc@135 71 "&#" ^ Int.toString (ord ch) ^ ";")
adamc@135 72
adamc@120 73 fun hexIt ch =
adamc@120 74 let
adamc@120 75 val s = Int.fmt StringCvt.HEX (ord ch)
adamc@120 76 in
adamc@120 77 case size s of
adamc@120 78 0 => "00"
adamc@120 79 | 1 => "0" ^ s
adamc@120 80 | _ => s
adamc@120 81 end
adamc@120 82
adamc@925 83 fun urlifyString s =
adamc@925 84 case s of
adamc@925 85 "" => "_"
adamc@925 86 | _ =>
adamc@925 87 (if String.sub (s, 0) = #"_" then
adamc@925 88 "_"
adamc@925 89 else
adamc@925 90 "")
adamc@925 91 ^ String.translate (fn #" " => "+"
adamc@925 92 | ch => if Char.isAlphaNum ch then
adamc@925 93 str ch
adamc@925 94 else
adamc@925 95 "%" ^ hexIt ch) s
adamc@253 96
adamc@253 97
adamc@877 98 fun sqlifyInt n = #p_cast (Settings.currentDbms ()) (attrifyInt n, Settings.Int)
adamc@877 99 fun sqlifyFloat n = #p_cast (Settings.currentDbms ()) (attrifyFloat n, Settings.Float)
adamc@253 100
adamc@874 101 fun sqlifyString s = #sqlifyString (Settings.currentDbms ()) s
adamc@1011 102 fun sqlifyChar ch = #sqlifyString (Settings.currentDbms ()) (str ch)
adamc@874 103
adamc@874 104 fun unAs s =
adamc@874 105 let
adamc@874 106 fun doChars (cs, acc) =
adamc@874 107 case cs of
adamc@998 108 #"T" :: #"_" :: #"T" :: #"." :: cs => doChars (cs, acc)
adamc@874 109 | #"'" :: cs => doString (cs, acc)
adamc@874 110 | ch :: cs => doChars (cs, ch :: acc)
adamc@874 111 | [] => String.implode (rev acc)
adamc@874 112
adamc@874 113 and doString (cs, acc) =
adamc@874 114 case cs of
adamc@874 115 #"\\" :: #"\\" :: cs => doString (cs, #"\\" :: #"\\" :: acc)
adamc@874 116 | #"\\" :: #"'" :: cs => doString (cs, #"'" :: #"\\" :: acc)
adamc@874 117 | #"'" :: cs => doChars (cs, #"'" :: acc)
adamc@874 118 | ch :: cs => doString (cs, ch :: acc)
adamc@874 119 | [] => String.implode (rev acc)
adamc@874 120 in
adamc@874 121 doChars (String.explode s, [])
adamc@874 122 end
adamc@453 123
adamc@96 124 fun exp e =
adamc@96 125 case e of
adamc@96 126 EPrim (Prim.String s) =>
adamc@96 127 let
adamc@96 128 val (_, chs) =
adamc@96 129 CharVector.foldl (fn (ch, (lastSpace, chs)) =>
adamc@96 130 let
adamc@96 131 val isSpace = Char.isSpace ch
adamc@96 132 in
adamc@96 133 if isSpace andalso lastSpace then
adamc@96 134 (true, chs)
adamc@96 135 else
adamc@96 136 (isSpace, ch :: chs)
adamc@96 137 end)
adamc@96 138 (false, []) s
adamc@96 139 in
adamc@96 140 EPrim (Prim.String (String.implode (rev chs)))
adamc@96 141 end
adamc@96 142
adamc@96 143 | EStrcat ((EPrim (Prim.String s1), loc), (EPrim (Prim.String s2), _)) =>
adamc@96 144 let
adamc@96 145 val s =
adamc@96 146 if size s1 > 0 andalso size s2 > 0
adamc@96 147 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@96 148 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@96 149 s1 ^ String.extract (s2, 1, NONE)
adamc@96 150 else
adamc@96 151 s1 ^ s2
adamc@96 152 in
adamc@96 153 EPrim (Prim.String s)
adamc@96 154 end
adamc@105 155
adamc@105 156 | EStrcat ((EPrim (Prim.String s1), loc), (EStrcat ((EPrim (Prim.String s2), _), rest), _)) =>
adamc@105 157 let
adamc@105 158 val s =
adamc@105 159 if size s1 > 0 andalso size s2 > 0
adamc@105 160 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@105 161 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@105 162 s1 ^ String.extract (s2, 1, NONE)
adamc@105 163 else
adamc@105 164 s1 ^ s2
adamc@105 165 in
adamc@105 166 EStrcat ((EPrim (Prim.String s), loc), rest)
adamc@105 167 end
adamc@105 168
adamc@105 169 | EStrcat ((EStrcat (e1, e2), loc), e3) =>
adamc@105 170 optExp (EStrcat (e1, (EStrcat (e2, e3), loc)), loc)
adamc@105 171
adamc@106 172 | EWrite (EStrcat (e1, e2), loc) =>
adamc@106 173 ESeq ((optExp (EWrite e1, loc), loc),
adamc@106 174 (optExp (EWrite e2, loc), loc))
adamc@106 175
adamc@183 176 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@183 177 (EWrite (EPrim (Prim.String s2), _), _)) =>
adamc@183 178 EWrite (EPrim (Prim.String (s1 ^ s2)), loc)
adamc@196 179 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@196 180 (ESeq ((EWrite (EPrim (Prim.String s2), _), _),
adamc@196 181 e), _)) =>
adamc@196 182 ESeq ((EWrite (EPrim (Prim.String (s1 ^ s2)), loc), loc),
adamc@196 183 e)
adamc@183 184
adamc@286 185 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", [(EPrim (Prim.Int n), _)]), _)]) =>
adamc@286 186 EPrim (Prim.String (htmlifyInt n))
adamc@286 187 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", es), _)]) =>
adamc@286 188 EFfiApp ("Basis", "htmlifyInt", es)
adamc@320 189 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 190 (EPrim (Prim.Int n), _)), _)]) =>
adamc@320 191 EPrim (Prim.String (htmlifyInt n))
adamc@320 192 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 193 e), _)]) =>
adamc@320 194 EFfiApp ("Basis", "htmlifyInt", [e])
adamc@286 195 | EWrite (EFfiApp ("Basis", "htmlifyInt", [e]), _) =>
adamc@286 196 EFfiApp ("Basis", "htmlifyInt_w", [e])
adamc@286 197
adamc@286 198 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", [(EPrim (Prim.Float n), _)]), _)]) =>
adamc@286 199 EPrim (Prim.String (htmlifyFloat n))
adamc@286 200 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", es), _)]) =>
adamc@286 201 EFfiApp ("Basis", "htmlifyFloat", es)
adamc@320 202 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 203 (EPrim (Prim.Float n), _)), _)]) =>
adamc@320 204 EPrim (Prim.String (htmlifyFloat n))
adamc@320 205 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 206 e), _)]) =>
adamc@320 207 EFfiApp ("Basis", "htmlifyFloat", [e])
adamc@286 208 | EWrite (EFfiApp ("Basis", "htmlifyFloat", [e]), _) =>
adamc@286 209 EFfiApp ("Basis", "htmlifyFloat_w", [e])
adamc@286 210
adamc@286 211 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 212 [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), _)]) =>
adamc@286 213 EPrim (Prim.String "True")
adamc@286 214 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 215 [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), _)]) =>
adamc@286 216 EPrim (Prim.String "False")
adamc@286 217 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString", es), _)]) =>
adamc@286 218 EFfiApp ("Basis", "htmlifyBool", es)
adamc@320 219 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 220 (ECon (Enum, PConFfi {con = "True", ...}, NONE), _)), _)]) =>
adamc@320 221 EPrim (Prim.String "True")
adamc@320 222 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 223 (ECon (Enum, PConFfi {con = "False", ...}, NONE), _)), _)]) =>
adamc@320 224 EPrim (Prim.String "False")
adamc@320 225 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 226 e), _)]) =>
adamc@320 227 EFfiApp ("Basis", "htmlifyBool", [e])
adamc@286 228 | EWrite (EFfiApp ("Basis", "htmlifyBool", [e]), _) =>
adamc@286 229 EFfiApp ("Basis", "htmlifyBool_w", [e])
adamc@286 230
adamc@436 231 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 232 EFfiApp ("Basis", "htmlifyTime", [e])
adamc@436 233 | EFfiApp ("Basis", "htmlifyString_w", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 234 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 235 | EWrite (EFfiApp ("Basis", "htmlifyTime", [e]), _) =>
adamc@436 236 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 237
adamc@135 238 | EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@135 239 EPrim (Prim.String (htmlifyString s))
adamc@135 240 | EWrite (EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@135 241 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 242 | EWrite (EFfiApp ("Basis", "htmlifyString", [e]), _) =>
adamc@135 243 EFfiApp ("Basis", "htmlifyString_w", [e])
adamc@196 244 | EFfiApp ("Basis", "htmlifyString_w", [(EPrim (Prim.String s), loc)]) =>
adamc@196 245 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 246
adamc@107 247 | EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@107 248 EPrim (Prim.String (attrifyInt n))
adamc@107 249 | EWrite (EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@107 250 EWrite (EPrim (Prim.String (attrifyInt n)), loc)
adamc@106 251 | EWrite (EFfiApp ("Basis", "attrifyInt", [e]), _) =>
adamc@106 252 EFfiApp ("Basis", "attrifyInt_w", [e])
adamc@107 253
adamc@107 254 | EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@107 255 EPrim (Prim.String (attrifyFloat n))
adamc@107 256 | EWrite (EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@107 257 EWrite (EPrim (Prim.String (attrifyFloat n)), loc)
adamc@106 258 | EWrite (EFfiApp ("Basis", "attrifyFloat", [e]), _) =>
adamc@106 259 EFfiApp ("Basis", "attrifyFloat_w", [e])
adamc@107 260
adamc@107 261 | EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]) =>
adamc@107 262 EPrim (Prim.String (attrifyString s))
adamc@107 263 | EWrite (EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@107 264 EWrite (EPrim (Prim.String (attrifyString s)), loc)
adamc@106 265 | EWrite (EFfiApp ("Basis", "attrifyString", [e]), _) =>
adamc@106 266 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@106 267
adamc@1011 268 | EFfiApp ("Basis", "attrifyChar", [(EPrim (Prim.Char s), _)]) =>
adamc@1011 269 EPrim (Prim.String (attrifyChar s))
adamc@1011 270 | EWrite (EFfiApp ("Basis", "attrifyChar", [(EPrim (Prim.Char s), _)]), loc) =>
adamc@1011 271 EWrite (EPrim (Prim.String (attrifyChar s)), loc)
adamc@1011 272 | EWrite (EFfiApp ("Basis", "attrifyChar", [e]), _) =>
adamc@1011 273 EFfiApp ("Basis", "attrifyChar_w", [e])
adamc@1011 274
adamc@721 275 | EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]) =>
adamc@721 276 EPrim (Prim.String s)
adamc@721 277 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]), loc) =>
adamc@721 278 EWrite (EPrim (Prim.String s), loc)
adamc@721 279 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [e]), _) =>
adamc@721 280 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@721 281
adamc@120 282 | EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@120 283 EPrim (Prim.String (urlifyInt n))
adamc@120 284 | EWrite (EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@120 285 EWrite (EPrim (Prim.String (urlifyInt n)), loc)
adamc@120 286 | EWrite (EFfiApp ("Basis", "urlifyInt", [e]), _) =>
adamc@120 287 EFfiApp ("Basis", "urlifyInt_w", [e])
adamc@120 288
adamc@120 289 | EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@120 290 EPrim (Prim.String (urlifyFloat n))
adamc@120 291 | EWrite (EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@120 292 EWrite (EPrim (Prim.String (urlifyFloat n)), loc)
adamc@120 293 | EWrite (EFfiApp ("Basis", "urlifyFloat", [e]), _) =>
adamc@120 294 EFfiApp ("Basis", "urlifyFloat_w", [e])
adamc@120 295
adamc@120 296 | EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@120 297 EPrim (Prim.String (urlifyString s))
adamc@120 298 | EWrite (EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@120 299 EWrite (EPrim (Prim.String (urlifyString s)), loc)
adamc@120 300 | EWrite (EFfiApp ("Basis", "urlifyString", [e]), _) =>
adamc@120 301 EFfiApp ("Basis", "urlifyString_w", [e])
adamc@120 302
adamc@188 303 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]) =>
adamc@187 304 EPrim (Prim.String "1")
adamc@188 305 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]) =>
adamc@187 306 EPrim (Prim.String "0")
adamc@188 307 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), loc) =>
adamc@187 308 EWrite (EPrim (Prim.String "1"), loc)
adamc@188 309 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), loc) =>
adamc@187 310 EWrite (EPrim (Prim.String "0"), loc)
adamc@187 311 | EWrite (EFfiApp ("Basis", "urlifyBool", [e]), _) =>
adamc@187 312 EFfiApp ("Basis", "urlifyBool_w", [e])
adamc@187 313
adamc@253 314 | EFfiApp ("Basis", "sqlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@253 315 EPrim (Prim.String (sqlifyInt n))
adamc@467 316 | EFfiApp ("Basis", "sqlifyIntN", [(ENone _, _)]) =>
adamc@467 317 EPrim (Prim.String "NULL")
adamc@467 318 | EFfiApp ("Basis", "sqlifyIntN", [(ESome (_, (EPrim (Prim.Int n), _)), _)]) =>
adamc@467 319 EPrim (Prim.String (sqlifyInt n))
adamc@467 320
adamc@253 321 | EFfiApp ("Basis", "sqlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@253 322 EPrim (Prim.String (sqlifyFloat n))
adamc@253 323 | EFfiApp ("Basis", "sqlifyBool", [b as (_, loc)]) =>
adamc@253 324 optExp (ECase (b,
adamc@253 325 [((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "True", arg = NONE}, NONE), loc),
adamc@1014 326 (EPrim (Prim.String (#trueString (Settings.currentDbms ()))), loc)),
adamc@253 327 ((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "False", arg = NONE}, NONE), loc),
adamc@1014 328 (EPrim (Prim.String (#falseString (Settings.currentDbms ()))), loc))],
adamc@253 329 {disc = (TFfi ("Basis", "bool"), loc),
adamc@253 330 result = (TFfi ("Basis", "string"), loc)}), loc)
adamc@253 331 | EFfiApp ("Basis", "sqlifyString", [(EPrim (Prim.String n), _)]) =>
adamc@253 332 EPrim (Prim.String (sqlifyString n))
adamc@1011 333 | EFfiApp ("Basis", "sqlifyChar", [(EPrim (Prim.Char n), _)]) =>
adamc@1011 334 EPrim (Prim.String (sqlifyChar n))
adamc@253 335
adamc@184 336 | EWrite (ECase (discE, pes, {disc, ...}), loc) =>
adamc@184 337 optExp (ECase (discE,
adamc@184 338 map (fn (p, e) => (p, (EWrite e, loc))) pes,
adamc@184 339 {disc = disc,
adamc@184 340 result = (TRecord [], loc)}), loc)
adamc@184 341
adamc@495 342 | EApp ((ECase (discE, pes, {disc, result = (TFun (_, ran), _)}), loc), arg as (ERecord [], _)) =>
adamc@453 343 let
adamc@453 344 fun doBody e =
adamc@453 345 case #1 e of
adamc@453 346 EAbs (_, _, _, body) => MonoReduce.subExpInExp (0, arg) body
adamc@453 347 | _ => (EApp (e, arg), loc)
adamc@453 348 in
adamc@453 349 optExp (ECase (discE,
adamc@453 350 map (fn (p, e) => (p, doBody e)) pes,
adamc@453 351 {disc = disc,
adamc@495 352 result = ran}), loc)
adamc@453 353 end
adamc@453 354
adamc@331 355 | EWrite (EQuery {exps, tables, state, query,
adamc@331 356 initial = (EPrim (Prim.String ""), _),
adamc@331 357 body = (EStrcat ((EPrim (Prim.String s), _),
adamc@331 358 (EStrcat ((ERel 0, _),
adamc@331 359 e'), _)), _)}, loc) =>
adamc@331 360 if CharVector.all Char.isSpace s then
adamc@331 361 EQuery {exps = exps, tables = tables, query = query,
adamc@331 362 state = (TRecord [], loc),
adamc@331 363 initial = (ERecord [], loc),
adamc@331 364 body = (optExp (EWrite e', loc), loc)}
adamc@331 365 else
adamc@331 366 e
adamc@331 367
adamc@334 368 | EWrite (EQuery {exps, tables, state, query,
adamc@334 369 initial = (EPrim (Prim.String ""), _),
adamc@486 370 body}, loc) =>
adamc@486 371 let
adamc@486 372 fun passLets (depth, (e', _), lets) =
adamc@486 373 case e' of
adamc@486 374 EStrcat ((ERel x, _), e'') =>
adamc@486 375 if x = depth then
adamc@486 376 let
adamc@486 377 val body = (optExp (EWrite e'', loc), loc)
adamc@486 378 val body = foldl (fn ((x, t, e'), e) =>
adamc@486 379 (ELet (x, t, e', e), loc))
adamc@486 380 body lets
adamc@486 381 in
adamc@486 382 EQuery {exps = exps, tables = tables, query = query,
adamc@486 383 state = (TRecord [], loc),
adamc@486 384 initial = (ERecord [], loc),
adamc@486 385 body = body}
adamc@486 386 end
adamc@486 387 else
adamc@486 388 e
adamc@486 389 | ELet (x, t, e', e'') =>
adamc@486 390 passLets (depth + 1, e'', (x, t, e') :: lets)
adamc@486 391 | _ => e
adamc@486 392 in
adamc@486 393 passLets (0, body, [])
adamc@486 394 end
adamc@486 395
adamc@486 396 (*| EWrite (EQuery {exps, tables, state, query,
adamc@486 397 initial = (EPrim (Prim.String ""), _),
adamc@334 398 body = (EStrcat ((ERel 0, _), e'), _)}, loc) =>
adamc@334 399 EQuery {exps = exps, tables = tables, query = query,
adamc@334 400 state = (TRecord [], loc),
adamc@334 401 initial = (ERecord [], loc),
adamc@486 402 body = (optExp (EWrite e', loc), loc)}*)
adamc@334 403
adamc@340 404 | EWrite (ELet (x, t, e1, e2), loc) =>
adamc@340 405 optExp (ELet (x, t, e1, (EWrite e2, loc)), loc)
adamc@340 406
adamc@451 407 | EWrite (EPrim (Prim.String ""), loc) =>
adamc@451 408 ERecord []
adamc@451 409
adamc@572 410 | ESignalBind ((ESignalReturn e1, loc), e2) =>
adamc@572 411 optExp (EApp (e2, e1), loc)
adamc@572 412
adamc@717 413 | EFfiApp ("Basis", "bless", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 414 (if Settings.checkUrl s then
adamc@717 415 ()
adamc@717 416 else
adamc@769 417 ErrorMsg.errorAt loc ("Invalid URL " ^ s ^ " passed to 'bless'");
adamc@717 418 se)
adamc@741 419 | EFfiApp ("Basis", "blessMime", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 420 (if Settings.checkMime s then
adamc@741 421 ()
adamc@741 422 else
adamc@769 423 ErrorMsg.errorAt loc ("Invalid string " ^ s ^ " passed to 'blessMime'");
adamc@741 424 se)
adamc@717 425
adamc@714 426 | EFfiApp ("Basis", "checkString", [(EPrim (Prim.String s), loc)]) =>
adamc@714 427 let
adamc@714 428 fun uwify (cs, acc) =
adamc@714 429 case cs of
adamc@714 430 [] => String.concat (rev acc)
adamc@714 431 | #"(" :: #"_" :: cs => uwify (cs, "(uw_" :: acc)
adamc@714 432 | #" " :: #"_" :: cs => uwify (cs, " uw_" :: acc)
adamc@714 433 | #"'" :: cs =>
adamc@714 434 let
adamc@714 435 fun waitItOut (cs, acc) =
adamc@714 436 case cs of
adamc@714 437 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@714 438 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@714 439 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@714 440 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@714 441 | c :: cs => waitItOut (cs, str c :: acc)
adamc@714 442 in
adamc@714 443 waitItOut (cs, "'" :: acc)
adamc@714 444 end
adamc@714 445 | c :: cs => uwify (cs, str c :: acc)
adamc@714 446
adamc@714 447 val s = case String.explode s of
adamc@714 448 #"_" :: cs => uwify (cs, ["uw_"])
adamc@714 449 | cs => uwify (cs, [])
adamc@714 450 in
adamc@714 451 EPrim (Prim.String s)
adamc@714 452 end
adamc@714 453
adamc@754 454 | EFfiApp ("Basis", "viewify", [(EPrim (Prim.String s), loc)]) =>
adamc@754 455 let
adamc@754 456 fun uwify (cs, acc) =
adamc@754 457 case cs of
adamc@754 458 [] => String.concat (rev acc)
adamc@754 459 | #"A" :: #"S" :: #" " :: #"_" :: cs => uwify (cs, "AS uw_" :: acc)
adamc@754 460 | #"'" :: cs =>
adamc@754 461 let
adamc@754 462 fun waitItOut (cs, acc) =
adamc@754 463 case cs of
adamc@754 464 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@754 465 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@754 466 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@754 467 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@754 468 | c :: cs => waitItOut (cs, str c :: acc)
adamc@754 469 in
adamc@754 470 waitItOut (cs, "'" :: acc)
adamc@754 471 end
adamc@754 472 | c :: cs => uwify (cs, str c :: acc)
adamc@754 473
adamc@754 474 val s = uwify (String.explode s, [])
adamc@754 475 in
adamc@754 476 EPrim (Prim.String s)
adamc@754 477 end
adamc@754 478
adamc@874 479 | EFfiApp ("Basis", "unAs", [(EPrim (Prim.String s), _)]) =>
adamc@874 480 EPrim (Prim.String (unAs s))
adamc@874 481 | EFfiApp ("Basis", "unAs", [e']) =>
adamc@874 482 let
adamc@874 483 fun parts (e as (_, loc)) =
adamc@874 484 case #1 e of
adamc@874 485 EStrcat (s1, s2) =>
adamc@874 486 (case (parts s1, parts s2) of
adamc@874 487 (SOME p1, SOME p2) => SOME (p1 @ p2)
adamc@874 488 | _ => NONE)
adamc@874 489 | EPrim (Prim.String s) => SOME [(EPrim (Prim.String (unAs s)), loc)]
adamc@874 490 | EFfiApp ("Basis", f, [_]) =>
adamc@874 491 if String.isPrefix "sqlify" f then
adamc@874 492 SOME [e]
adamc@874 493 else
adamc@874 494 NONE
adamc@874 495 | _ => NONE
adamc@874 496 in
adamc@874 497 case parts e' of
adamc@874 498 SOME [e] => #1 e
adamc@874 499 | SOME es =>
adamc@874 500 (case rev es of
adamc@874 501 (e as (_, loc)) :: es => #1 (foldl (fn (e, es) => (EStrcat (e, es), loc)) e es)
adamc@874 502 | [] => raise Fail "MonoOpt impossible nil")
adamc@874 503 | NONE => e
adamc@874 504 end
adamc@1024 505
adamc@1024 506 | EFfiApp ("Basis", "str1", [(EPrim (Prim.Char ch), _)]) =>
adamc@1024 507 EPrim (Prim.String (str ch))
adamc@1024 508 | EFfiApp ("Basis", "attrifyString", [(EFfiApp ("Basis", "str1", [e]), _)]) =>
adamc@1024 509 EFfiApp ("Basis", "attrifyChar", [e])
adamc@1024 510 | EFfiApp ("Basis", "attrifyString_w", [(EFfiApp ("Basis", "str1", [e]), _)]) =>
adamc@1024 511 EFfiApp ("Basis", "attrifyChar_w", [e])
adamc@874 512
adamc@96 513 | _ => e
adamc@96 514
adamc@105 515 and optExp e = #1 (U.Exp.map {typ = typ, exp = exp} e)
adamc@105 516
adamc@96 517 val optimize = U.File.map {typ = typ, exp = exp, decl = decl}
adamc@96 518
adamc@506 519 val optExp = U.Exp.map {typ = typ, exp = exp}
adamc@506 520
adamc@96 521 end