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Allow type class instances with hypotheses via local ('let') definitions
author Adam Chlipala <adam@chlipala.net>
date Wed, 25 Jul 2012 14:04:59 -0400
parents 59b07fdae1ff
children 3d922a28370b
rev   line source
adam@1478 1 (* Copyright (c) 2008-2011, Adam Chlipala
adamc@764 2 * All rights reserved.
adamc@764 3 *
adamc@764 4 * Redistribution and use in source and binary forms, with or without
adamc@764 5 * modification, are permitted provided that the following conditions are met:
adamc@764 6 *
adamc@764 7 * - Redistributions of source code must retain the above copyright notice,
adamc@764 8 * this list of conditions and the following disclaimer.
adamc@764 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@764 10 * this list of conditions and the following disclaimer in the documentation
adamc@764 11 * and/or other materials provided with the distribution.
adamc@764 12 * - The names of contributors may not be used to endorse or promote products
adamc@764 13 * derived from this software without specific prior written permission.
adamc@764 14 *
adamc@764 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@764 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@764 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@764 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adam@1682 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@764 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@764 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@764 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@764 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@764 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@764 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@764 26 *)
adamc@764 27
adamc@764 28 signature SETTINGS = sig
adam@1682 29
ezyang@1739 30 (* XXX these should be unit -> string too *)
ezyang@1739 31 val configBin : string ref
ezyang@1739 32 val configLib : string ref
ezyang@1739 33 val configSrcLib : string ref
ezyang@1739 34 val configInclude : string ref
ezyang@1739 35 val configSitelisp : string ref
ezyang@1739 36
ezyang@1739 37 val libUr : unit -> string
ezyang@1739 38 val libC : unit -> string
ezyang@1739 39 val libJs : unit -> string
ezyang@1739 40
adamc@866 41 val setDebug : bool -> unit
adamc@866 42 val getDebug : unit -> bool
adam@1682 43
ezyang@1739 44 val libFile : string -> string
adamc@866 45 val clibFile : string -> string
adamc@866 46
adamc@765 47 (* How do all application URLs begin? *)
adamc@764 48 val setUrlPrefix : string -> unit
adamc@764 49 val getUrlPrefix : unit -> string
adam@1370 50 val getUrlPrePrefix : unit -> string
adam@1637 51 val getUrlPrefixFull : unit -> string
adam@1637 52 (* The full prefix is the value that was set explicitly, while the "pre"
adam@1637 53 * prefix gets the protocol/host/port part and the unqualified prefix gets
adam@1637 54 * the URI. *)
adamc@764 55
adamc@765 56 (* How many seconds should the server wait before assuming a Comet client has left? *)
adamc@764 57 val setTimeout : int -> unit
adamc@764 58 val getTimeout : unit -> int
adamc@764 59
adamc@765 60 (* Which C header files are needed? *)
adamc@764 61 val setHeaders : string list -> unit
adamc@764 62 val getHeaders : unit -> string list
adamc@764 63
adamc@766 64 (* Which extra JavaScript URLs should be included? *)
adamc@766 65 val setScripts : string list -> unit
adamc@766 66 val getScripts : unit -> string list
adamc@766 67
adamc@765 68 type ffi = string * string
adamc@765 69
adamc@765 70 (* Which FFI types may be sent from clients to servers? *)
adamc@765 71 val setClientToServer : ffi list -> unit
adamc@765 72 val mayClientToServer : ffi -> bool
adamc@765 73
adamc@765 74 (* Which FFI functions have side effects? *)
adamc@765 75 val setEffectful : ffi list -> unit
adamc@765 76 val isEffectful : ffi -> bool
adamc@765 77
adamc@1171 78 (* Which FFI functions should not have their calls removed or reordered, but cause no lasting effects? *)
adamc@1171 79 val setBenignEffectful : ffi list -> unit
adamc@1171 80 val isBenignEffectful : ffi -> bool
adamc@1171 81
adamc@765 82 (* Which FFI functions may only be run in clients? *)
adamc@765 83 val setClientOnly : ffi list -> unit
adamc@765 84 val isClientOnly : ffi -> bool
adamc@765 85
adamc@765 86 (* Which FFI functions may only be run on servers? *)
adamc@765 87 val setServerOnly : ffi list -> unit
adamc@765 88 val isServerOnly : ffi -> bool
adamc@765 89
adamc@765 90 (* Which FFI functions may be run in JavaScript? (JavaScript function names included) *)
adamc@765 91 val setJsFuncs : (ffi * string) list -> unit
adamc@765 92 val jsFunc : ffi -> string option
adam@1433 93 val allJsFuncs : unit -> (ffi * string) list
adamc@765 94
adamc@768 95 datatype pattern_kind = Exact | Prefix
adamc@768 96 datatype action = Allow | Deny
adamc@768 97 type rule = { action : action, kind : pattern_kind, pattern : string }
adamc@768 98
adamc@768 99 datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
adam@1752 100 type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string, hyphenate : bool }
adamc@768 101
adamc@768 102 (* Rules for rewriting URLs from canonical forms *)
adamc@768 103 val setRewriteRules : rewrite list -> unit
adamc@768 104 val rewrite : path_kind -> string -> string
adamc@768 105
adamc@769 106 (* Validating URLs and MIME types *)
adamc@769 107 val setUrlRules : rule list -> unit
adamc@770 108 val getUrlRules : unit -> rule list
adamc@769 109 val checkUrl : string -> bool
adamc@769 110
adamc@769 111 val setMimeRules : rule list -> unit
adamc@770 112 val getMimeRules : unit -> rule list
adamc@769 113 val checkMime : string -> bool
adamc@769 114
adam@1465 115 val setRequestHeaderRules : rule list -> unit
adam@1465 116 val getRequestHeaderRules : unit -> rule list
adam@1465 117 val checkRequestHeader : string -> bool
adam@1465 118
adam@1465 119 val setResponseHeaderRules : rule list -> unit
adam@1465 120 val getResponseHeaderRules : unit -> rule list
adam@1465 121 val checkResponseHeader : string -> bool
adam@1465 122
adamc@855 123 (* Web protocols that generated programs may speak *)
adamc@855 124 type protocol = {
adamc@1095 125 name : string, (* Call it this on the command line *)
adamc@1096 126 compile : string, (* Pass these `gcc -c' arguments *)
adamc@1095 127 linkStatic : string, (* Pass these static linker arguments *)
adamc@1095 128 linkDynamic : string,(* Pass these dynamic linker arguments *)
adamc@1164 129 persistent : bool, (* Multiple requests per process? *)
adamc@1164 130 code : unit -> Print.PD.pp_desc (* Extra code to include in C files *)
adamc@855 131 }
adamc@855 132 val addProtocol : protocol -> unit
adamc@856 133 val setProtocol : string -> unit
adamc@855 134 val currentProtocol : unit -> protocol
adamc@855 135
adamc@866 136 (* Different DBMSes *)
adamc@867 137 datatype sql_type =
adamc@867 138 Int
adamc@867 139 | Float
adamc@867 140 | String
adamc@1011 141 | Char
adamc@867 142 | Bool
adamc@867 143 | Time
adamc@867 144 | Blob
adamc@867 145 | Channel
adamc@867 146 | Client
adamc@867 147 | Nullable of sql_type
adamc@867 148
adamc@873 149 val p_sql_ctype : sql_type -> string
adamc@867 150 val isBlob : sql_type -> bool
adamc@870 151 val isNotNull : sql_type -> bool
adamc@867 152
adam@1293 153 datatype failure_mode = Error | None
adam@1293 154
adamc@866 155 type dbms = {
adamc@866 156 name : string,
adamc@866 157 (* Call it this on the command line *)
adam@1682 158 randomFunction : string,
adam@1682 159 (* DBMS's name for random number-generating function *)
adamc@866 160 header : string,
adamc@866 161 (* Include this C header file *)
adamc@866 162 link : string,
adamc@866 163 (* Pass these linker arguments *)
adamc@873 164 p_sql_type : sql_type -> string,
adamc@870 165 init : {dbstring : string,
adamc@870 166 prepared : (string * int) list,
adamc@870 167 tables : (string * (string * sql_type) list) list,
adamc@872 168 views : (string * (string * sql_type) list) list,
adamc@870 169 sequences : string list} -> Print.PD.pp_desc,
adamc@874 170 (* Define uw_client_init(), uw_db_init(), uw_db_close(), uw_db_begin(), uw_db_commit(), and uw_db_rollback() *)
adamc@873 171 query : {loc : ErrorMsg.span, cols : sql_type list,
adamc@880 172 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
adamc@867 173 -> Print.PD.pp_desc}
adamc@867 174 -> Print.PD.pp_desc,
adamc@867 175 queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
adamc@873 176 inputs : sql_type list, cols : sql_type list,
adamc@880 177 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
adamc@880 178 typ : sql_type} -> Print.PD.pp_desc)
adamc@879 179 -> Print.PD.pp_desc,
adamc@879 180 nested : bool}
adamc@868 181 -> Print.PD.pp_desc,
adam@1293 182 dml : ErrorMsg.span * failure_mode -> Print.PD.pp_desc,
adamc@868 183 dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
adam@1293 184 inputs : sql_type list, mode : failure_mode} -> Print.PD.pp_desc,
adamc@878 185 nextval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, seqName : string option} -> Print.PD.pp_desc,
adamc@874 186 nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
adamc@1073 187 setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 188 sqlifyString : string -> string,
adamc@874 189 p_cast : string * sql_type -> string,
adamc@874 190 p_blank : int * sql_type -> string (* Prepared statement input *),
adamc@877 191 supportsDeleteAs : bool,
adamc@886 192 supportsUpdateAs : bool,
adamc@877 193 createSequence : string -> string,
adamc@878 194 textKeysNeedLengths : bool,
adamc@879 195 supportsNextval : bool,
adamc@882 196 supportsNestedPrepared : bool,
adamc@890 197 sqlPrefix : string,
adamc@1014 198 supportsOctetLength : bool,
adamc@1014 199 trueString : string,
adamc@1196 200 falseString : string,
adamc@1196 201 onlyUnion : bool,
adam@1777 202 nestedRelops : bool,
adam@1777 203 windowFunctions : bool
adamc@866 204 }
adamc@857 205
adamc@866 206 val addDbms : dbms -> unit
adamc@866 207 val setDbms : string -> unit
adamc@866 208 val currentDbms : unit -> dbms
adamc@858 209
adamc@891 210 val setDbstring : string option -> unit
adamc@891 211 val getDbstring : unit -> string option
adamc@891 212
adamc@891 213 val setExe : string option -> unit
adamc@891 214 val getExe : unit -> string option
adamc@891 215
adamc@891 216 val setSql : string option -> unit
adamc@891 217 val getSql : unit -> string option
adamc@891 218
adamc@1016 219 val setCoreInline : int -> unit
adamc@1016 220 val getCoreInline : unit -> int
adamc@1016 221
adamc@1016 222 val setMonoInline : int -> unit
adamc@1016 223 val getMonoInline : unit -> int
adamc@1016 224
adamc@1095 225 val setStaticLinking : bool -> unit
adamc@1095 226 val getStaticLinking : unit -> bool
adamc@1095 227
adamc@1114 228 val setDeadlines : bool -> unit
adamc@1114 229 val getDeadlines : unit -> bool
adamc@1114 230
adamc@1164 231 val setSigFile : string option -> unit
adamc@1164 232 val getSigFile : unit -> string option
adamc@1164 233
adamc@1183 234 (* Which GET-able functions should be allowed to have side effects? *)
adamc@1183 235 val setSafeGets : string list -> unit
adamc@1183 236 val isSafeGet : string -> bool
adamc@1183 237
adam@1294 238 val setOnError : (string * string list * string) option -> unit
adam@1294 239 val getOnError : unit -> (string * string list * string) option
adam@1307 240
adam@1307 241 val addLimit : string * int -> unit
adam@1307 242 val limits : unit -> (string * int) list
adam@1332 243
adam@1332 244 val setMinHeap : int -> unit
adam@1332 245 val getMinHeap : unit -> int
adam@1393 246
adam@1393 247 val addAlwaysInline : string -> unit
adam@1393 248 val checkAlwaysInline : string -> bool
adam@1478 249
adam@1478 250 val addNoXsrfProtection : string -> unit
adam@1478 251 val checkNoXsrfProtection : string -> bool
adam@1629 252
adam@1629 253 val setTimeFormat : string -> unit
adam@1629 254 val getTimeFormat : unit -> string
adamc@764 255 end