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annotate src/settings.sig @ 1584:c37d8341940a

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Shorter, more focused error messages about undetermined unification variables
author Adam Chlipala <adam@chlipala.net>
date Sat, 29 Oct 2011 17:30:34 -0400
parents a10d080123ec
children 438561303d02
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
adamc@764 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
adamc@764 29
adamc@866 30 val setDebug : bool -> unit
adamc@866 31 val getDebug : unit -> bool
adamc@866 32
adamc@866 33 val clibFile : string -> string
adamc@866 34
adamc@765 35 (* How do all application URLs begin? *)
adamc@764 36 val setUrlPrefix : string -> unit
adamc@764 37 val getUrlPrefix : unit -> string
adam@1370 38 val getUrlPrePrefix : unit -> string
adamc@764 39
adamc@765 40 (* How many seconds should the server wait before assuming a Comet client has left? *)
adamc@764 41 val setTimeout : int -> unit
adamc@764 42 val getTimeout : unit -> int
adamc@764 43
adamc@765 44 (* Which C header files are needed? *)
adamc@764 45 val setHeaders : string list -> unit
adamc@764 46 val getHeaders : unit -> string list
adamc@764 47
adamc@766 48 (* Which extra JavaScript URLs should be included? *)
adamc@766 49 val setScripts : string list -> unit
adamc@766 50 val getScripts : unit -> string list
adamc@766 51
adamc@765 52 type ffi = string * string
adamc@765 53
adamc@765 54 (* Which FFI types may be sent from clients to servers? *)
adamc@765 55 val setClientToServer : ffi list -> unit
adamc@765 56 val mayClientToServer : ffi -> bool
adamc@765 57
adamc@765 58 (* Which FFI functions have side effects? *)
adamc@765 59 val setEffectful : ffi list -> unit
adamc@765 60 val isEffectful : ffi -> bool
adamc@765 61
adamc@1171 62 (* Which FFI functions should not have their calls removed or reordered, but cause no lasting effects? *)
adamc@1171 63 val setBenignEffectful : ffi list -> unit
adamc@1171 64 val isBenignEffectful : ffi -> bool
adamc@1171 65
adamc@765 66 (* Which FFI functions may only be run in clients? *)
adamc@765 67 val setClientOnly : ffi list -> unit
adamc@765 68 val isClientOnly : ffi -> bool
adamc@765 69
adamc@765 70 (* Which FFI functions may only be run on servers? *)
adamc@765 71 val setServerOnly : ffi list -> unit
adamc@765 72 val isServerOnly : ffi -> bool
adamc@765 73
adamc@765 74 (* Which FFI functions may be run in JavaScript? (JavaScript function names included) *)
adamc@765 75 val setJsFuncs : (ffi * string) list -> unit
adamc@765 76 val jsFunc : ffi -> string option
adam@1433 77 val allJsFuncs : unit -> (ffi * string) list
adamc@765 78
adamc@768 79 datatype pattern_kind = Exact | Prefix
adamc@768 80 datatype action = Allow | Deny
adamc@768 81 type rule = { action : action, kind : pattern_kind, pattern : string }
adamc@768 82
adamc@768 83 datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
adamc@768 84 type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string }
adamc@768 85
adamc@768 86 (* Rules for rewriting URLs from canonical forms *)
adamc@768 87 val setRewriteRules : rewrite list -> unit
adamc@768 88 val rewrite : path_kind -> string -> string
adamc@768 89
adamc@769 90 (* Validating URLs and MIME types *)
adamc@769 91 val setUrlRules : rule list -> unit
adamc@770 92 val getUrlRules : unit -> rule list
adamc@769 93 val checkUrl : string -> bool
adamc@769 94
adamc@769 95 val setMimeRules : rule list -> unit
adamc@770 96 val getMimeRules : unit -> rule list
adamc@769 97 val checkMime : string -> bool
adamc@769 98
adam@1465 99 val setRequestHeaderRules : rule list -> unit
adam@1465 100 val getRequestHeaderRules : unit -> rule list
adam@1465 101 val checkRequestHeader : string -> bool
adam@1465 102
adam@1465 103 val setResponseHeaderRules : rule list -> unit
adam@1465 104 val getResponseHeaderRules : unit -> rule list
adam@1465 105 val checkResponseHeader : string -> bool
adam@1465 106
adamc@855 107 (* Web protocols that generated programs may speak *)
adamc@855 108 type protocol = {
adamc@1095 109 name : string, (* Call it this on the command line *)
adamc@1096 110 compile : string, (* Pass these `gcc -c' arguments *)
adamc@1095 111 linkStatic : string, (* Pass these static linker arguments *)
adamc@1095 112 linkDynamic : string,(* Pass these dynamic linker arguments *)
adamc@1164 113 persistent : bool, (* Multiple requests per process? *)
adamc@1164 114 code : unit -> Print.PD.pp_desc (* Extra code to include in C files *)
adamc@855 115 }
adamc@855 116 val addProtocol : protocol -> unit
adamc@856 117 val setProtocol : string -> unit
adamc@855 118 val currentProtocol : unit -> protocol
adamc@855 119
adamc@866 120 (* Different DBMSes *)
adamc@867 121 datatype sql_type =
adamc@867 122 Int
adamc@867 123 | Float
adamc@867 124 | String
adamc@1011 125 | Char
adamc@867 126 | Bool
adamc@867 127 | Time
adamc@867 128 | Blob
adamc@867 129 | Channel
adamc@867 130 | Client
adamc@867 131 | Nullable of sql_type
adamc@867 132
adamc@873 133 val p_sql_ctype : sql_type -> string
adamc@867 134 val isBlob : sql_type -> bool
adamc@870 135 val isNotNull : sql_type -> bool
adamc@867 136
adam@1293 137 datatype failure_mode = Error | None
adam@1293 138
adamc@866 139 type dbms = {
adamc@866 140 name : string,
adamc@866 141 (* Call it this on the command line *)
adamc@866 142 header : string,
adamc@866 143 (* Include this C header file *)
adamc@866 144 link : string,
adamc@866 145 (* Pass these linker arguments *)
adamc@873 146 p_sql_type : sql_type -> string,
adamc@870 147 init : {dbstring : string,
adamc@870 148 prepared : (string * int) list,
adamc@870 149 tables : (string * (string * sql_type) list) list,
adamc@872 150 views : (string * (string * sql_type) list) list,
adamc@870 151 sequences : string list} -> Print.PD.pp_desc,
adamc@874 152 (* Define uw_client_init(), uw_db_init(), uw_db_close(), uw_db_begin(), uw_db_commit(), and uw_db_rollback() *)
adamc@873 153 query : {loc : ErrorMsg.span, cols : sql_type list,
adamc@880 154 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
adamc@867 155 -> Print.PD.pp_desc}
adamc@867 156 -> Print.PD.pp_desc,
adamc@867 157 queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
adamc@873 158 inputs : sql_type list, cols : sql_type list,
adamc@880 159 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
adamc@880 160 typ : sql_type} -> Print.PD.pp_desc)
adamc@879 161 -> Print.PD.pp_desc,
adamc@879 162 nested : bool}
adamc@868 163 -> Print.PD.pp_desc,
adam@1293 164 dml : ErrorMsg.span * failure_mode -> Print.PD.pp_desc,
adamc@868 165 dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
adam@1293 166 inputs : sql_type list, mode : failure_mode} -> Print.PD.pp_desc,
adamc@878 167 nextval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, seqName : string option} -> Print.PD.pp_desc,
adamc@874 168 nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
adamc@1073 169 setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 170 sqlifyString : string -> string,
adamc@874 171 p_cast : string * sql_type -> string,
adamc@874 172 p_blank : int * sql_type -> string (* Prepared statement input *),
adamc@877 173 supportsDeleteAs : bool,
adamc@886 174 supportsUpdateAs : bool,
adamc@877 175 createSequence : string -> string,
adamc@878 176 textKeysNeedLengths : bool,
adamc@879 177 supportsNextval : bool,
adamc@882 178 supportsNestedPrepared : bool,
adamc@890 179 sqlPrefix : string,
adamc@1014 180 supportsOctetLength : bool,
adamc@1014 181 trueString : string,
adamc@1196 182 falseString : string,
adamc@1196 183 onlyUnion : bool,
adamc@1196 184 nestedRelops : bool
adamc@866 185 }
adamc@857 186
adamc@866 187 val addDbms : dbms -> unit
adamc@866 188 val setDbms : string -> unit
adamc@866 189 val currentDbms : unit -> dbms
adamc@858 190
adamc@891 191 val setDbstring : string option -> unit
adamc@891 192 val getDbstring : unit -> string option
adamc@891 193
adamc@891 194 val setExe : string option -> unit
adamc@891 195 val getExe : unit -> string option
adamc@891 196
adamc@891 197 val setSql : string option -> unit
adamc@891 198 val getSql : unit -> string option
adamc@891 199
adamc@1016 200 val setCoreInline : int -> unit
adamc@1016 201 val getCoreInline : unit -> int
adamc@1016 202
adamc@1016 203 val setMonoInline : int -> unit
adamc@1016 204 val getMonoInline : unit -> int
adamc@1016 205
adamc@1095 206 val setStaticLinking : bool -> unit
adamc@1095 207 val getStaticLinking : unit -> bool
adamc@1095 208
adamc@1114 209 val setDeadlines : bool -> unit
adamc@1114 210 val getDeadlines : unit -> bool
adamc@1114 211
adamc@1164 212 val setSigFile : string option -> unit
adamc@1164 213 val getSigFile : unit -> string option
adamc@1164 214
adamc@1183 215 (* Which GET-able functions should be allowed to have side effects? *)
adamc@1183 216 val setSafeGets : string list -> unit
adamc@1183 217 val isSafeGet : string -> bool
adamc@1183 218
adam@1294 219 val setOnError : (string * string list * string) option -> unit
adam@1294 220 val getOnError : unit -> (string * string list * string) option
adam@1307 221
adam@1307 222 val addLimit : string * int -> unit
adam@1307 223 val limits : unit -> (string * int) list
adam@1332 224
adam@1332 225 val setMinHeap : int -> unit
adam@1332 226 val getMinHeap : unit -> int
adam@1393 227
adam@1393 228 val addAlwaysInline : string -> unit
adam@1393 229 val checkAlwaysInline : string -> bool
adam@1478 230
adam@1478 231 val addNoXsrfProtection : string -> unit
adam@1478 232 val checkNoXsrfProtection : string -> bool
adamc@764 233 end