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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: pretype_errors.mli 10860 2008-04-27 21:39:08Z herbelin $ i*)
(*i*)
open Pp
open Util
open Names
open Term
open Sign
open Environ
open Rawterm
open Inductiveops
(*i*)
(*s 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 * Evd.hole_kind
| UnsolvableImplicit of Evd.evar_info * Evd.hole_kind *
Evd.unsolvability_explanation option
| CannotUnify of constr * constr
| CannotUnifyLocal of constr * constr * constr
| CannotUnifyBindingType of constr * constr
| CannotGeneralize of constr
| NoOccurrenceFound of constr * identifier option
| CannotFindWellTypedAbstraction of constr * constr list
(* Pretyping *)
| VarNotFound of identifier
| UnexpectedType of constr * constr
| NotProduct of constr
exception PretypeError of env * pretype_error
val precatchable_exception : exn -> bool
(* Presenting terms without solved evars *)
val nf_evar : Evd.evar_map -> constr -> constr
val j_nf_evar : Evd.evar_map -> unsafe_judgment -> unsafe_judgment
val jl_nf_evar :
Evd.evar_map -> unsafe_judgment list -> unsafe_judgment list
val jv_nf_evar :
Evd.evar_map -> unsafe_judgment array -> unsafe_judgment array
val tj_nf_evar :
Evd.evar_map -> unsafe_type_judgment -> unsafe_type_judgment
(* Raising errors *)
val error_actual_type_loc :
loc -> env -> Evd.evar_map -> unsafe_judgment -> constr -> 'b
val error_cant_apply_not_functional_loc :
loc -> env -> Evd.evar_map ->
unsafe_judgment -> unsafe_judgment list -> 'b
val error_cant_apply_bad_type_loc :
loc -> env -> Evd.evar_map -> int * constr * constr ->
unsafe_judgment -> unsafe_judgment list -> 'b
val error_case_not_inductive_loc :
loc -> env -> Evd.evar_map -> unsafe_judgment -> 'b
val error_ill_formed_branch_loc :
loc -> env -> Evd.evar_map ->
constr -> int -> constr -> constr -> 'b
val error_number_branches_loc :
loc -> env -> Evd.evar_map ->
unsafe_judgment -> int -> 'b
val error_ill_typed_rec_body_loc :
loc -> env -> Evd.evar_map ->
int -> name array -> unsafe_judgment array -> types array -> 'b
val error_not_a_type_loc :
loc -> env -> Evd.evar_map -> unsafe_judgment -> 'b
val error_cannot_coerce : env -> Evd.evar_map -> constr * constr -> 'b
(*s 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 * Evd.hole_kind -> 'b
val error_unsolvable_implicit :
loc -> env -> Evd.evar_map -> Evd.evar_info -> Evd.hole_kind ->
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
(*s Ml Case errors *)
val error_cant_find_case_type_loc :
loc -> env -> Evd.evar_map -> constr -> 'b
(*s Pretyping errors *)
val error_unexpected_type_loc :
loc -> env -> Evd.evar_map -> constr -> constr -> 'b
val error_not_product_loc :
loc -> env -> Evd.evar_map -> constr -> 'b
(*s Error in conversion from AST to rawterms *)
val error_var_not_found_loc : loc -> identifier -> 'b
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