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annotate src/elab_err.sig @ 1418:22674ac8ebe6

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Proper error handling for periodic tasks
author Adam Chlipala <adam@chlipala.net>
date Sun, 23 Jan 2011 18:16:30 -0500
parents e525ad571e15
children 6c00d8af6239
rev   line source
adam@1303 1 (* Copyright (c) 2008-2010, Adam Chlipala
adamc@329 2 * All rights reserved.
adamc@329 3 *
adamc@329 4 * Redistribution and use in source and binary forms, with or without
adamc@329 5 * modification, are permitted provided that the following conditions are met:
adamc@329 6 *
adamc@329 7 * - Redistributions of source code must retain the above copyright notice,
adamc@329 8 * this list of conditions and the following disclaimer.
adamc@329 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@329 10 * this list of conditions and the following disclaimer in the documentation
adamc@329 11 * and/or other materials provided with the distribution.
adamc@329 12 * - The names of contributors may not be used to endorse or promote products
adamc@329 13 * derived from this software without specific prior written permission.
adamc@329 14 *
adamc@329 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@329 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@329 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@329 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@329 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@329 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@329 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@329 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@329 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@329 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@329 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@329 26 *)
adamc@329 27
adamc@329 28 signature ELAB_ERR = sig
adamc@329 29
adamc@623 30 datatype kind_error =
adamc@623 31 UnboundKind of ErrorMsg.span * string
adamc@623 32
adamc@623 33 val kindError : ElabEnv.env -> kind_error -> unit
adamc@623 34
adamc@329 35 datatype kunify_error =
adamc@329 36 KOccursCheckFailed of Elab.kind * Elab.kind
adamc@329 37 | KIncompatible of Elab.kind * Elab.kind
adamc@329 38
adamc@623 39 val kunifyError : ElabEnv.env -> kunify_error -> unit
adamc@329 40
adamc@329 41 datatype con_error =
adamc@329 42 UnboundCon of ErrorMsg.span * string
adamc@329 43 | UnboundDatatype of ErrorMsg.span * string
adamc@329 44 | UnboundStrInCon of ErrorMsg.span * string
adamc@329 45 | WrongKind of Elab.con * Elab.kind * Elab.kind * kunify_error
adamc@329 46 | DuplicateField of ErrorMsg.span * string
adamc@329 47 | ProjBounds of Elab.con * int
adamc@329 48 | ProjMismatch of Elab.con * Elab.kind
adamc@329 49
adamc@329 50 val conError : ElabEnv.env -> con_error -> unit
adamc@329 51
adamc@329 52 datatype cunify_error =
adamc@329 53 CKind of Elab.kind * Elab.kind * kunify_error
adamc@329 54 | COccursCheckFailed of Elab.con * Elab.con
adamc@329 55 | CIncompatible of Elab.con * Elab.con
adamc@329 56 | CExplicitness of Elab.con * Elab.con
adamc@413 57 | CKindof of Elab.kind * Elab.con * string
adam@1359 58 | CRecordFailure of Elab.con * Elab.con * (Elab.con * Elab.con * Elab.con * cunify_error option) option
adam@1303 59 | TooLifty of ErrorMsg.span * ErrorMsg.span
adam@1303 60 | TooUnify of Elab.con * Elab.con
adam@1306 61 | TooDeep
adamc@329 62
adamc@329 63 val cunifyError : ElabEnv.env -> cunify_error -> unit
adamc@329 64
adamc@329 65 datatype exp_error =
adamc@329 66 UnboundExp of ErrorMsg.span * string
adamc@329 67 | UnboundStrInExp of ErrorMsg.span * string
adamc@329 68 | Unify of Elab.exp * Elab.con * Elab.con * cunify_error
adamc@339 69 | Unif of string * ErrorMsg.span * Elab.con
adamc@329 70 | WrongForm of string * Elab.exp * Elab.con
adamc@329 71 | IncompatibleCons of Elab.con * Elab.con
adamc@329 72 | DuplicatePatternVariable of ErrorMsg.span * string
adamc@329 73 | PatUnify of Elab.pat * Elab.con * Elab.con * cunify_error
adamc@329 74 | UnboundConstructor of ErrorMsg.span * string list * string
adamc@329 75 | PatHasArg of ErrorMsg.span
adamc@329 76 | PatHasNoArg of ErrorMsg.span
adamc@819 77 | Inexhaustive of ErrorMsg.span * Elab.pat
adamc@329 78 | DuplicatePatField of ErrorMsg.span * string
adamc@329 79 | Unresolvable of ErrorMsg.span * Elab.con
adamc@329 80 | OutOfContext of ErrorMsg.span * (Elab.exp * Elab.con) option
adamc@329 81 | IllegalRec of string * Elab.exp
adamc@329 82
adamc@329 83 val expError : ElabEnv.env -> exp_error -> unit
adamc@329 84
adamc@329 85 datatype decl_error =
adamc@329 86 KunifsRemain of Elab.decl list
adamc@329 87 | CunifsRemain of Elab.decl list
adamc@329 88 | Nonpositive of Elab.decl
adamc@329 89
adamc@329 90 val declError : ElabEnv.env -> decl_error -> unit
adamc@329 91
adamc@329 92 datatype sgn_error =
adamc@329 93 UnboundSgn of ErrorMsg.span * string
adamc@1000 94 | UnmatchedSgi of ErrorMsg.span * Elab.sgn_item
adamc@1000 95 | SgiWrongKind of ErrorMsg.span * Elab.sgn_item * Elab.kind * Elab.sgn_item * Elab.kind * kunify_error
adamc@1000 96 | SgiWrongCon of ErrorMsg.span * Elab.sgn_item * Elab.con * Elab.sgn_item * Elab.con * cunify_error
adamc@1000 97 | SgiMismatchedDatatypes of ErrorMsg.span * Elab.sgn_item * Elab.sgn_item
adamc@1000 98 * (Elab.con * Elab.con * cunify_error) option
adamc@1000 99 | SgnWrongForm of ErrorMsg.span * Elab.sgn * Elab.sgn
adamc@329 100 | UnWhereable of Elab.sgn * string
adamc@329 101 | WhereWrongKind of Elab.kind * Elab.kind * kunify_error
adamc@329 102 | NotIncludable of Elab.sgn
adamc@329 103 | DuplicateCon of ErrorMsg.span * string
adamc@329 104 | DuplicateVal of ErrorMsg.span * string
adamc@329 105 | DuplicateSgn of ErrorMsg.span * string
adamc@329 106 | DuplicateStr of ErrorMsg.span * string
adamc@329 107 | NotConstraintsable of Elab.sgn
adamc@329 108
adamc@329 109 val sgnError : ElabEnv.env -> sgn_error -> unit
adamc@329 110
adamc@329 111 datatype str_error =
adamc@329 112 UnboundStr of ErrorMsg.span * string
adamc@329 113 | NotFunctor of Elab.sgn
adamc@329 114 | FunctorRebind of ErrorMsg.span
adamc@329 115 | UnOpenable of Elab.sgn
adamc@706 116 | NotType of ErrorMsg.span * Elab.kind * (Elab.kind * Elab.kind * kunify_error)
adamc@329 117 | DuplicateConstructor of string * ErrorMsg.span
adamc@329 118 | NotDatatype of ErrorMsg.span
adamc@329 119
adamc@329 120 val strError : ElabEnv.env -> str_error -> unit
adamc@329 121
adamc@329 122 end