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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Pp
open Names
open Term
open Sign
open Environ
open Glob_term
open Inductiveops
(** {6 The type of errors raised by the pretyper } *)
type pretype_error =
(** Old Case *)
| CantFindCaseType of constr
(** Unification *)
| OccurCheck of existential_key * constr
| NotClean of existential_key * constr * Evar_kinds.t
| UnsolvableImplicit of Evd.evar_info * Evar_kinds.t *
Evd.unsolvability_explanation option
| CannotUnify of constr * constr
| CannotUnifyLocal of constr * constr * constr
| CannotUnifyBindingType of constr * constr
| CannotGeneralize of constr
| NoOccurrenceFound of constr * Id.t option
| CannotFindWellTypedAbstraction of constr * constr list
| WrongAbstractionType of Name.t * constr * types * types
| AbstractionOverMeta of Name.t * Name.t
| NonLinearUnification of Name.t * constr
(** Pretyping *)
| VarNotFound of Id.t
| UnexpectedType of constr * constr
| NotProduct of constr
| TypingError of Type_errors.type_error
exception PretypeError of env * Evd.evar_map * pretype_error
val precatchable_exception : exn -> bool
(** Raising errors *)
val error_actual_type_loc :
Loc.t -> env -> Evd.evar_map -> unsafe_judgment -> constr -> 'b
val error_cant_apply_not_functional_loc :
Loc.t -> env -> Evd.evar_map ->
unsafe_judgment -> unsafe_judgment list -> 'b
val error_cant_apply_bad_type_loc :
Loc.t -> env -> Evd.evar_map -> int * constr * constr ->
unsafe_judgment -> unsafe_judgment list -> 'b
val error_case_not_inductive_loc :
Loc.t -> env -> Evd.evar_map -> unsafe_judgment -> 'b
val error_ill_formed_branch_loc :
Loc.t -> env -> Evd.evar_map ->
constr -> constructor -> constr -> constr -> 'b
val error_number_branches_loc :
Loc.t -> env -> Evd.evar_map ->
unsafe_judgment -> int -> 'b
val error_ill_typed_rec_body_loc :
Loc.t -> env -> Evd.evar_map ->
int -> Name.t array -> unsafe_judgment array -> types array -> 'b
val error_not_a_type_loc :
Loc.t -> env -> Evd.evar_map -> unsafe_judgment -> 'b
val error_cannot_coerce : env -> Evd.evar_map -> constr * constr -> 'b
(** {6 Implicit arguments synthesis errors } *)
val error_occur_check : env -> Evd.evar_map -> existential_key -> constr -> 'b
val error_not_clean :
env -> Evd.evar_map -> existential_key -> constr -> Loc.t * Evar_kinds.t -> 'b
val error_unsolvable_implicit :
Loc.t -> env -> Evd.evar_map -> Evd.evar_info -> Evar_kinds.t ->
Evd.unsolvability_explanation option -> 'b
val error_cannot_unify : env -> Evd.evar_map -> constr * constr -> 'b
val error_cannot_unify_local : env -> Evd.evar_map -> constr * constr * constr -> 'b
val error_cannot_find_well_typed_abstraction : env -> Evd.evar_map ->
constr -> constr list -> 'b
val error_wrong_abstraction_type : env -> Evd.evar_map ->
Name.t -> constr -> types -> types -> 'b
val error_abstraction_over_meta : env -> Evd.evar_map ->
metavariable -> metavariable -> 'b
val error_non_linear_unification : env -> Evd.evar_map ->
metavariable -> constr -> 'b
(** {6 Ml Case errors } *)
val error_cant_find_case_type_loc :
Loc.t -> env -> Evd.evar_map -> constr -> 'b
(** {6 Pretyping errors } *)
val error_unexpected_type_loc :
Loc.t -> env -> Evd.evar_map -> constr -> constr -> 'b
val error_not_product_loc :
Loc.t -> env -> Evd.evar_map -> constr -> 'b
(** {6 Error in conversion from AST to glob_constr } *)
val error_var_not_found_loc : Loc.t -> Id.t -> 'b
|