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annotate src/mono_opt.sml @ 884:ced093080e17

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Check for existence of sequences (MySQL)
author Adam Chlipala <adamc@hcoop.net>
date Fri, 17 Jul 2009 14:04:05 -0400
parents dae141d911d9
children 7a4b026e45dd
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@877 86 fun sqlifyInt n = #p_cast (Settings.currentDbms ()) (attrifyInt n, Settings.Int)
adamc@877 87 fun sqlifyFloat n = #p_cast (Settings.currentDbms ()) (attrifyFloat n, Settings.Float)
adamc@253 88
adamc@874 89 fun sqlifyString s = #sqlifyString (Settings.currentDbms ()) s
adamc@874 90
adamc@874 91 fun unAs s =
adamc@874 92 let
adamc@874 93 fun doChars (cs, acc) =
adamc@874 94 case cs of
adamc@874 95 #"T" :: #"." :: cs => doChars (cs, acc)
adamc@874 96 | #"'" :: cs => doString (cs, acc)
adamc@874 97 | ch :: cs => doChars (cs, ch :: acc)
adamc@874 98 | [] => String.implode (rev acc)
adamc@874 99
adamc@874 100 and doString (cs, acc) =
adamc@874 101 case cs of
adamc@874 102 #"\\" :: #"\\" :: cs => doString (cs, #"\\" :: #"\\" :: acc)
adamc@874 103 | #"\\" :: #"'" :: cs => doString (cs, #"'" :: #"\\" :: acc)
adamc@874 104 | #"'" :: cs => doChars (cs, #"'" :: acc)
adamc@874 105 | ch :: cs => doString (cs, ch :: acc)
adamc@874 106 | [] => String.implode (rev acc)
adamc@874 107 in
adamc@874 108 doChars (String.explode s, [])
adamc@874 109 end
adamc@453 110
adamc@96 111 fun exp e =
adamc@96 112 case e of
adamc@96 113 EPrim (Prim.String s) =>
adamc@96 114 let
adamc@96 115 val (_, chs) =
adamc@96 116 CharVector.foldl (fn (ch, (lastSpace, chs)) =>
adamc@96 117 let
adamc@96 118 val isSpace = Char.isSpace ch
adamc@96 119 in
adamc@96 120 if isSpace andalso lastSpace then
adamc@96 121 (true, chs)
adamc@96 122 else
adamc@96 123 (isSpace, ch :: chs)
adamc@96 124 end)
adamc@96 125 (false, []) s
adamc@96 126 in
adamc@96 127 EPrim (Prim.String (String.implode (rev chs)))
adamc@96 128 end
adamc@96 129
adamc@96 130 | EStrcat ((EPrim (Prim.String s1), loc), (EPrim (Prim.String s2), _)) =>
adamc@96 131 let
adamc@96 132 val s =
adamc@96 133 if size s1 > 0 andalso size s2 > 0
adamc@96 134 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@96 135 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@96 136 s1 ^ String.extract (s2, 1, NONE)
adamc@96 137 else
adamc@96 138 s1 ^ s2
adamc@96 139 in
adamc@96 140 EPrim (Prim.String s)
adamc@96 141 end
adamc@105 142
adamc@105 143 | EStrcat ((EPrim (Prim.String s1), loc), (EStrcat ((EPrim (Prim.String s2), _), rest), _)) =>
adamc@105 144 let
adamc@105 145 val s =
adamc@105 146 if size s1 > 0 andalso size s2 > 0
adamc@105 147 andalso Char.isSpace (String.sub (s1, size s1 - 1))
adamc@105 148 andalso Char.isSpace (String.sub (s2, 0)) then
adamc@105 149 s1 ^ String.extract (s2, 1, NONE)
adamc@105 150 else
adamc@105 151 s1 ^ s2
adamc@105 152 in
adamc@105 153 EStrcat ((EPrim (Prim.String s), loc), rest)
adamc@105 154 end
adamc@105 155
adamc@105 156 | EStrcat ((EStrcat (e1, e2), loc), e3) =>
adamc@105 157 optExp (EStrcat (e1, (EStrcat (e2, e3), loc)), loc)
adamc@105 158
adamc@106 159 | EWrite (EStrcat (e1, e2), loc) =>
adamc@106 160 ESeq ((optExp (EWrite e1, loc), loc),
adamc@106 161 (optExp (EWrite e2, loc), loc))
adamc@106 162
adamc@183 163 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@183 164 (EWrite (EPrim (Prim.String s2), _), _)) =>
adamc@183 165 EWrite (EPrim (Prim.String (s1 ^ s2)), loc)
adamc@196 166 | ESeq ((EWrite (EPrim (Prim.String s1), _), loc),
adamc@196 167 (ESeq ((EWrite (EPrim (Prim.String s2), _), _),
adamc@196 168 e), _)) =>
adamc@196 169 ESeq ((EWrite (EPrim (Prim.String (s1 ^ s2)), loc), loc),
adamc@196 170 e)
adamc@183 171
adamc@286 172 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", [(EPrim (Prim.Int n), _)]), _)]) =>
adamc@286 173 EPrim (Prim.String (htmlifyInt n))
adamc@286 174 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", es), _)]) =>
adamc@286 175 EFfiApp ("Basis", "htmlifyInt", es)
adamc@320 176 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 177 (EPrim (Prim.Int n), _)), _)]) =>
adamc@320 178 EPrim (Prim.String (htmlifyInt n))
adamc@320 179 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "intToString"), _),
adamc@320 180 e), _)]) =>
adamc@320 181 EFfiApp ("Basis", "htmlifyInt", [e])
adamc@286 182 | EWrite (EFfiApp ("Basis", "htmlifyInt", [e]), _) =>
adamc@286 183 EFfiApp ("Basis", "htmlifyInt_w", [e])
adamc@286 184
adamc@286 185 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", [(EPrim (Prim.Float n), _)]), _)]) =>
adamc@286 186 EPrim (Prim.String (htmlifyFloat n))
adamc@286 187 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", es), _)]) =>
adamc@286 188 EFfiApp ("Basis", "htmlifyFloat", es)
adamc@320 189 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 190 (EPrim (Prim.Float n), _)), _)]) =>
adamc@320 191 EPrim (Prim.String (htmlifyFloat n))
adamc@320 192 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "floatToString"), _),
adamc@320 193 e), _)]) =>
adamc@320 194 EFfiApp ("Basis", "htmlifyFloat", [e])
adamc@286 195 | EWrite (EFfiApp ("Basis", "htmlifyFloat", [e]), _) =>
adamc@286 196 EFfiApp ("Basis", "htmlifyFloat_w", [e])
adamc@286 197
adamc@286 198 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 199 [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), _)]) =>
adamc@286 200 EPrim (Prim.String "True")
adamc@286 201 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
adamc@286 202 [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), _)]) =>
adamc@286 203 EPrim (Prim.String "False")
adamc@286 204 | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString", es), _)]) =>
adamc@286 205 EFfiApp ("Basis", "htmlifyBool", es)
adamc@320 206 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 207 (ECon (Enum, PConFfi {con = "True", ...}, NONE), _)), _)]) =>
adamc@320 208 EPrim (Prim.String "True")
adamc@320 209 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 210 (ECon (Enum, PConFfi {con = "False", ...}, NONE), _)), _)]) =>
adamc@320 211 EPrim (Prim.String "False")
adamc@320 212 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "boolToString"), _),
adamc@320 213 e), _)]) =>
adamc@320 214 EFfiApp ("Basis", "htmlifyBool", [e])
adamc@286 215 | EWrite (EFfiApp ("Basis", "htmlifyBool", [e]), _) =>
adamc@286 216 EFfiApp ("Basis", "htmlifyBool_w", [e])
adamc@286 217
adamc@436 218 | EFfiApp ("Basis", "htmlifyString", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 219 EFfiApp ("Basis", "htmlifyTime", [e])
adamc@436 220 | EFfiApp ("Basis", "htmlifyString_w", [(EApp ((EFfi ("Basis", "timeToString"), _), e), _)]) =>
adamc@436 221 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 222 | EWrite (EFfiApp ("Basis", "htmlifyTime", [e]), _) =>
adamc@436 223 EFfiApp ("Basis", "htmlifyTime_w", [e])
adamc@436 224
adamc@135 225 | EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@135 226 EPrim (Prim.String (htmlifyString s))
adamc@135 227 | EWrite (EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@135 228 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 229 | EWrite (EFfiApp ("Basis", "htmlifyString", [e]), _) =>
adamc@135 230 EFfiApp ("Basis", "htmlifyString_w", [e])
adamc@196 231 | EFfiApp ("Basis", "htmlifyString_w", [(EPrim (Prim.String s), loc)]) =>
adamc@196 232 EWrite (EPrim (Prim.String (htmlifyString s)), loc)
adamc@135 233
adamc@107 234 | EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@107 235 EPrim (Prim.String (attrifyInt n))
adamc@107 236 | EWrite (EFfiApp ("Basis", "attrifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@107 237 EWrite (EPrim (Prim.String (attrifyInt n)), loc)
adamc@106 238 | EWrite (EFfiApp ("Basis", "attrifyInt", [e]), _) =>
adamc@106 239 EFfiApp ("Basis", "attrifyInt_w", [e])
adamc@107 240
adamc@107 241 | EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@107 242 EPrim (Prim.String (attrifyFloat n))
adamc@107 243 | EWrite (EFfiApp ("Basis", "attrifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@107 244 EWrite (EPrim (Prim.String (attrifyFloat n)), loc)
adamc@106 245 | EWrite (EFfiApp ("Basis", "attrifyFloat", [e]), _) =>
adamc@106 246 EFfiApp ("Basis", "attrifyFloat_w", [e])
adamc@107 247
adamc@107 248 | EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]) =>
adamc@107 249 EPrim (Prim.String (attrifyString s))
adamc@107 250 | EWrite (EFfiApp ("Basis", "attrifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@107 251 EWrite (EPrim (Prim.String (attrifyString s)), loc)
adamc@106 252 | EWrite (EFfiApp ("Basis", "attrifyString", [e]), _) =>
adamc@106 253 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@106 254
adamc@721 255 | EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]) =>
adamc@721 256 EPrim (Prim.String s)
adamc@721 257 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [(EPrim (Prim.String s), _)]), loc) =>
adamc@721 258 EWrite (EPrim (Prim.String s), loc)
adamc@721 259 | EWrite (EFfiApp ("Basis", "attrifyCss_class", [e]), _) =>
adamc@721 260 EFfiApp ("Basis", "attrifyString_w", [e])
adamc@721 261
adamc@120 262 | EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@120 263 EPrim (Prim.String (urlifyInt n))
adamc@120 264 | EWrite (EFfiApp ("Basis", "urlifyInt", [(EPrim (Prim.Int n), _)]), loc) =>
adamc@120 265 EWrite (EPrim (Prim.String (urlifyInt n)), loc)
adamc@120 266 | EWrite (EFfiApp ("Basis", "urlifyInt", [e]), _) =>
adamc@120 267 EFfiApp ("Basis", "urlifyInt_w", [e])
adamc@120 268
adamc@120 269 | EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@120 270 EPrim (Prim.String (urlifyFloat n))
adamc@120 271 | EWrite (EFfiApp ("Basis", "urlifyFloat", [(EPrim (Prim.Float n), _)]), loc) =>
adamc@120 272 EWrite (EPrim (Prim.String (urlifyFloat n)), loc)
adamc@120 273 | EWrite (EFfiApp ("Basis", "urlifyFloat", [e]), _) =>
adamc@120 274 EFfiApp ("Basis", "urlifyFloat_w", [e])
adamc@120 275
adamc@120 276 | EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]) =>
adamc@120 277 EPrim (Prim.String (urlifyString s))
adamc@120 278 | EWrite (EFfiApp ("Basis", "urlifyString", [(EPrim (Prim.String s), _)]), loc) =>
adamc@120 279 EWrite (EPrim (Prim.String (urlifyString s)), loc)
adamc@120 280 | EWrite (EFfiApp ("Basis", "urlifyString", [e]), _) =>
adamc@120 281 EFfiApp ("Basis", "urlifyString_w", [e])
adamc@120 282
adamc@188 283 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]) =>
adamc@187 284 EPrim (Prim.String "1")
adamc@188 285 | EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]) =>
adamc@187 286 EPrim (Prim.String "0")
adamc@188 287 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), loc) =>
adamc@187 288 EWrite (EPrim (Prim.String "1"), loc)
adamc@188 289 | EWrite (EFfiApp ("Basis", "urlifyBool", [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), loc) =>
adamc@187 290 EWrite (EPrim (Prim.String "0"), loc)
adamc@187 291 | EWrite (EFfiApp ("Basis", "urlifyBool", [e]), _) =>
adamc@187 292 EFfiApp ("Basis", "urlifyBool_w", [e])
adamc@187 293
adamc@253 294 | EFfiApp ("Basis", "sqlifyInt", [(EPrim (Prim.Int n), _)]) =>
adamc@253 295 EPrim (Prim.String (sqlifyInt n))
adamc@467 296 | EFfiApp ("Basis", "sqlifyIntN", [(ENone _, _)]) =>
adamc@467 297 EPrim (Prim.String "NULL")
adamc@467 298 | EFfiApp ("Basis", "sqlifyIntN", [(ESome (_, (EPrim (Prim.Int n), _)), _)]) =>
adamc@467 299 EPrim (Prim.String (sqlifyInt n))
adamc@467 300
adamc@253 301 | EFfiApp ("Basis", "sqlifyFloat", [(EPrim (Prim.Float n), _)]) =>
adamc@253 302 EPrim (Prim.String (sqlifyFloat n))
adamc@253 303 | EFfiApp ("Basis", "sqlifyBool", [b as (_, loc)]) =>
adamc@253 304 optExp (ECase (b,
adamc@253 305 [((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "True", arg = NONE}, NONE), loc),
adamc@253 306 (EPrim (Prim.String "TRUE"), loc)),
adamc@253 307 ((PCon (Enum, PConFfi {mod = "Basis", datatyp = "bool", con = "False", arg = NONE}, NONE), loc),
adamc@253 308 (EPrim (Prim.String "FALSE"), loc))],
adamc@253 309 {disc = (TFfi ("Basis", "bool"), loc),
adamc@253 310 result = (TFfi ("Basis", "string"), loc)}), loc)
adamc@253 311 | EFfiApp ("Basis", "sqlifyString", [(EPrim (Prim.String n), _)]) =>
adamc@253 312 EPrim (Prim.String (sqlifyString n))
adamc@253 313
adamc@184 314 | EWrite (ECase (discE, pes, {disc, ...}), loc) =>
adamc@184 315 optExp (ECase (discE,
adamc@184 316 map (fn (p, e) => (p, (EWrite e, loc))) pes,
adamc@184 317 {disc = disc,
adamc@184 318 result = (TRecord [], loc)}), loc)
adamc@184 319
adamc@495 320 | EApp ((ECase (discE, pes, {disc, result = (TFun (_, ran), _)}), loc), arg as (ERecord [], _)) =>
adamc@453 321 let
adamc@453 322 fun doBody e =
adamc@453 323 case #1 e of
adamc@453 324 EAbs (_, _, _, body) => MonoReduce.subExpInExp (0, arg) body
adamc@453 325 | _ => (EApp (e, arg), loc)
adamc@453 326 in
adamc@453 327 optExp (ECase (discE,
adamc@453 328 map (fn (p, e) => (p, doBody e)) pes,
adamc@453 329 {disc = disc,
adamc@495 330 result = ran}), loc)
adamc@453 331 end
adamc@453 332
adamc@331 333 | EWrite (EQuery {exps, tables, state, query,
adamc@331 334 initial = (EPrim (Prim.String ""), _),
adamc@331 335 body = (EStrcat ((EPrim (Prim.String s), _),
adamc@331 336 (EStrcat ((ERel 0, _),
adamc@331 337 e'), _)), _)}, loc) =>
adamc@331 338 if CharVector.all Char.isSpace s then
adamc@331 339 EQuery {exps = exps, tables = tables, query = query,
adamc@331 340 state = (TRecord [], loc),
adamc@331 341 initial = (ERecord [], loc),
adamc@331 342 body = (optExp (EWrite e', loc), loc)}
adamc@331 343 else
adamc@331 344 e
adamc@331 345
adamc@334 346 | EWrite (EQuery {exps, tables, state, query,
adamc@334 347 initial = (EPrim (Prim.String ""), _),
adamc@486 348 body}, loc) =>
adamc@486 349 let
adamc@486 350 fun passLets (depth, (e', _), lets) =
adamc@486 351 case e' of
adamc@486 352 EStrcat ((ERel x, _), e'') =>
adamc@486 353 if x = depth then
adamc@486 354 let
adamc@486 355 val body = (optExp (EWrite e'', loc), loc)
adamc@486 356 val body = foldl (fn ((x, t, e'), e) =>
adamc@486 357 (ELet (x, t, e', e), loc))
adamc@486 358 body lets
adamc@486 359 in
adamc@486 360 EQuery {exps = exps, tables = tables, query = query,
adamc@486 361 state = (TRecord [], loc),
adamc@486 362 initial = (ERecord [], loc),
adamc@486 363 body = body}
adamc@486 364 end
adamc@486 365 else
adamc@486 366 e
adamc@486 367 | ELet (x, t, e', e'') =>
adamc@486 368 passLets (depth + 1, e'', (x, t, e') :: lets)
adamc@486 369 | _ => e
adamc@486 370 in
adamc@486 371 passLets (0, body, [])
adamc@486 372 end
adamc@486 373
adamc@486 374 (*| EWrite (EQuery {exps, tables, state, query,
adamc@486 375 initial = (EPrim (Prim.String ""), _),
adamc@334 376 body = (EStrcat ((ERel 0, _), e'), _)}, loc) =>
adamc@334 377 EQuery {exps = exps, tables = tables, query = query,
adamc@334 378 state = (TRecord [], loc),
adamc@334 379 initial = (ERecord [], loc),
adamc@486 380 body = (optExp (EWrite e', loc), loc)}*)
adamc@334 381
adamc@340 382 | EWrite (ELet (x, t, e1, e2), loc) =>
adamc@340 383 optExp (ELet (x, t, e1, (EWrite e2, loc)), loc)
adamc@340 384
adamc@451 385 | EWrite (EPrim (Prim.String ""), loc) =>
adamc@451 386 ERecord []
adamc@451 387
adamc@572 388 | ESignalBind ((ESignalReturn e1, loc), e2) =>
adamc@572 389 optExp (EApp (e2, e1), loc)
adamc@572 390
adamc@717 391 | EFfiApp ("Basis", "bless", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 392 (if Settings.checkUrl s then
adamc@717 393 ()
adamc@717 394 else
adamc@769 395 ErrorMsg.errorAt loc ("Invalid URL " ^ s ^ " passed to 'bless'");
adamc@717 396 se)
adamc@741 397 | EFfiApp ("Basis", "blessMime", [(se as EPrim (Prim.String s), loc)]) =>
adamc@769 398 (if Settings.checkMime s then
adamc@741 399 ()
adamc@741 400 else
adamc@769 401 ErrorMsg.errorAt loc ("Invalid string " ^ s ^ " passed to 'blessMime'");
adamc@741 402 se)
adamc@717 403
adamc@714 404 | EFfiApp ("Basis", "checkString", [(EPrim (Prim.String s), loc)]) =>
adamc@714 405 let
adamc@714 406 fun uwify (cs, acc) =
adamc@714 407 case cs of
adamc@714 408 [] => String.concat (rev acc)
adamc@714 409 | #"(" :: #"_" :: cs => uwify (cs, "(uw_" :: acc)
adamc@714 410 | #" " :: #"_" :: cs => uwify (cs, " uw_" :: acc)
adamc@714 411 | #"'" :: cs =>
adamc@714 412 let
adamc@714 413 fun waitItOut (cs, acc) =
adamc@714 414 case cs of
adamc@714 415 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@714 416 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@714 417 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@714 418 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@714 419 | c :: cs => waitItOut (cs, str c :: acc)
adamc@714 420 in
adamc@714 421 waitItOut (cs, "'" :: acc)
adamc@714 422 end
adamc@714 423 | c :: cs => uwify (cs, str c :: acc)
adamc@714 424
adamc@714 425 val s = case String.explode s of
adamc@714 426 #"_" :: cs => uwify (cs, ["uw_"])
adamc@714 427 | cs => uwify (cs, [])
adamc@714 428 in
adamc@714 429 EPrim (Prim.String s)
adamc@714 430 end
adamc@714 431
adamc@754 432 | EFfiApp ("Basis", "viewify", [(EPrim (Prim.String s), loc)]) =>
adamc@754 433 let
adamc@754 434 fun uwify (cs, acc) =
adamc@754 435 case cs of
adamc@754 436 [] => String.concat (rev acc)
adamc@754 437 | #"A" :: #"S" :: #" " :: #"_" :: cs => uwify (cs, "AS uw_" :: acc)
adamc@754 438 | #"'" :: cs =>
adamc@754 439 let
adamc@754 440 fun waitItOut (cs, acc) =
adamc@754 441 case cs of
adamc@754 442 [] => raise Fail "MonoOpt: Unterminated SQL string literal"
adamc@754 443 | #"'" :: cs => uwify (cs, "'" :: acc)
adamc@754 444 | #"\\" :: #"'" :: cs => waitItOut (cs, "\\'" :: acc)
adamc@754 445 | #"\\" :: #"\\" :: cs => waitItOut (cs, "\\\\" :: acc)
adamc@754 446 | c :: cs => waitItOut (cs, str c :: acc)
adamc@754 447 in
adamc@754 448 waitItOut (cs, "'" :: acc)
adamc@754 449 end
adamc@754 450 | c :: cs => uwify (cs, str c :: acc)
adamc@754 451
adamc@754 452 val s = uwify (String.explode s, [])
adamc@754 453 in
adamc@754 454 EPrim (Prim.String s)
adamc@754 455 end
adamc@754 456
adamc@874 457 | EFfiApp ("Basis", "unAs", [(EPrim (Prim.String s), _)]) =>
adamc@874 458 EPrim (Prim.String (unAs s))
adamc@874 459 | EFfiApp ("Basis", "unAs", [e']) =>
adamc@874 460 let
adamc@874 461 fun parts (e as (_, loc)) =
adamc@874 462 case #1 e of
adamc@874 463 EStrcat (s1, s2) =>
adamc@874 464 (case (parts s1, parts s2) of
adamc@874 465 (SOME p1, SOME p2) => SOME (p1 @ p2)
adamc@874 466 | _ => NONE)
adamc@874 467 | EPrim (Prim.String s) => SOME [(EPrim (Prim.String (unAs s)), loc)]
adamc@874 468 | EFfiApp ("Basis", f, [_]) =>
adamc@874 469 if String.isPrefix "sqlify" f then
adamc@874 470 SOME [e]
adamc@874 471 else
adamc@874 472 NONE
adamc@874 473 | _ => NONE
adamc@874 474 in
adamc@874 475 case parts e' of
adamc@874 476 SOME [e] => #1 e
adamc@874 477 | SOME es =>
adamc@874 478 (case rev es of
adamc@874 479 (e as (_, loc)) :: es => #1 (foldl (fn (e, es) => (EStrcat (e, es), loc)) e es)
adamc@874 480 | [] => raise Fail "MonoOpt impossible nil")
adamc@874 481 | NONE => e
adamc@874 482 end
adamc@874 483
adamc@96 484 | _ => e
adamc@96 485
adamc@105 486 and optExp e = #1 (U.Exp.map {typ = typ, exp = exp} e)
adamc@105 487
adamc@96 488 val optimize = U.File.map {typ = typ, exp = exp, decl = decl}
adamc@96 489
adamc@506 490 val optExp = U.Exp.map {typ = typ, exp = exp}
adamc@506 491
adamc@96 492 end