Mercurial > urweb

annotate src/elab_err.sig @ 1303:c7b9a33c26c8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Hopeful fix for the Great Unification Bug
author Adam Chlipala <adam@chlipala.net>
date Sun, 10 Oct 2010 14:41:03 -0400
parents 26197c957ad6
children 3a845f2ce9e9
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
adamc@1071 58 | CRecordFailure of Elab.con * Elab.con * (Elab.con * Elab.con * Elab.con) option
adam@1303 59 | TooLifty of ErrorMsg.span * ErrorMsg.span
adam@1303 60 | TooUnify of Elab.con * Elab.con
adamc@329 61
adamc@329 62 val cunifyError : ElabEnv.env -> cunify_error -> unit
adamc@329 63
adamc@329 64 datatype exp_error =
adamc@329 65 UnboundExp of ErrorMsg.span * string
adamc@329 66 | UnboundStrInExp of ErrorMsg.span * string
adamc@329 67 | Unify of Elab.exp * Elab.con * Elab.con * cunify_error
adamc@339 68 | Unif of string * ErrorMsg.span * Elab.con
adamc@329 69 | WrongForm of string * Elab.exp * Elab.con
adamc@329 70 | IncompatibleCons of Elab.con * Elab.con
adamc@329 71 | DuplicatePatternVariable of ErrorMsg.span * string
adamc@329 72 | PatUnify of Elab.pat * Elab.con * Elab.con * cunify_error
adamc@329 73 | UnboundConstructor of ErrorMsg.span * string list * string
adamc@329 74 | PatHasArg of ErrorMsg.span
adamc@329 75 | PatHasNoArg of ErrorMsg.span
adamc@819 76 | Inexhaustive of ErrorMsg.span * Elab.pat
adamc@329 77 | DuplicatePatField of ErrorMsg.span * string
adamc@329 78 | Unresolvable of ErrorMsg.span * Elab.con
adamc@329 79 | OutOfContext of ErrorMsg.span * (Elab.exp * Elab.con) option
adamc@329 80 | IllegalRec of string * Elab.exp
adamc@329 81
adamc@329 82 val expError : ElabEnv.env -> exp_error -> unit
adamc@329 83
adamc@329 84 datatype decl_error =
adamc@329 85 KunifsRemain of Elab.decl list
adamc@329 86 | CunifsRemain of Elab.decl list
adamc@329 87 | Nonpositive of Elab.decl
adamc@329 88
adamc@329 89 val declError : ElabEnv.env -> decl_error -> unit
adamc@329 90
adamc@329 91 datatype sgn_error =
adamc@329 92 UnboundSgn of ErrorMsg.span * string
adamc@1000 93 | UnmatchedSgi of ErrorMsg.span * Elab.sgn_item
adamc@1000 94 | SgiWrongKind of ErrorMsg.span * Elab.sgn_item * Elab.kind * Elab.sgn_item * Elab.kind * kunify_error
adamc@1000 95 | SgiWrongCon of ErrorMsg.span * Elab.sgn_item * Elab.con * Elab.sgn_item * Elab.con * cunify_error
adamc@1000 96 | SgiMismatchedDatatypes of ErrorMsg.span * Elab.sgn_item * Elab.sgn_item
adamc@1000 97 * (Elab.con * Elab.con * cunify_error) option
adamc@1000 98 | SgnWrongForm of ErrorMsg.span * Elab.sgn * Elab.sgn
adamc@329 99 | UnWhereable of Elab.sgn * string
adamc@329 100 | WhereWrongKind of Elab.kind * Elab.kind * kunify_error
adamc@329 101 | NotIncludable of Elab.sgn
adamc@329 102 | DuplicateCon of ErrorMsg.span * string
adamc@329 103 | DuplicateVal of ErrorMsg.span * string
adamc@329 104 | DuplicateSgn of ErrorMsg.span * string
adamc@329 105 | DuplicateStr of ErrorMsg.span * string
adamc@329 106 | NotConstraintsable of Elab.sgn
adamc@329 107
adamc@329 108 val sgnError : ElabEnv.env -> sgn_error -> unit
adamc@329 109
adamc@329 110 datatype str_error =
adamc@329 111 UnboundStr of ErrorMsg.span * string
adamc@329 112 | NotFunctor of Elab.sgn
adamc@329 113 | FunctorRebind of ErrorMsg.span
adamc@329 114 | UnOpenable of Elab.sgn
adamc@706 115 | NotType of ErrorMsg.span * Elab.kind * (Elab.kind * Elab.kind * kunify_error)
adamc@329 116 | DuplicateConstructor of string * ErrorMsg.span
adamc@329 117 | NotDatatype of ErrorMsg.span
adamc@329 118
adamc@329 119 val strError : ElabEnv.env -> str_error -> unit
adamc@329 120
adamc@329 121 end