diff options
Diffstat (limited to 'pretyping/pretype_errors.mli')
| -rw-r--r-- | pretyping/pretype_errors.mli | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/pretyping/pretype_errors.mli b/pretyping/pretype_errors.mli index 30ee6aaf6..f95514ade 100644 --- a/pretyping/pretype_errors.mli +++ b/pretyping/pretype_errors.mli @@ -17,15 +17,26 @@ open Inductiveops (** {6 The type of errors raised by the pretyper } *) +type unification_error = + | OccurCheck of existential_key * constr + | NotClean of existential_key * constr + | NotSameArgSize + | NotSameHead + | NoCanonicalStructure + | ConversionFailed of env * constr * constr + | MetaOccurInBody of existential_key + | InstanceNotSameType of existential_key + type pretype_error = (** Old Case *) | CantFindCaseType of constr - (** Unification *) - | OccurCheck of existential_key * constr - | NotClean of existential_key * constr * Evd.hole_kind + (** Type inference unification *) + | ActualTypeNotCoercible of unsafe_judgment * types * unification_error + (** Tactic Unification *) + | UnifOccurCheck of existential_key * constr | UnsolvableImplicit of Evd.evar_info * Evd.hole_kind * Evd.unsolvability_explanation option - | CannotUnify of constr * constr + | CannotUnify of constr * constr * unification_error option | CannotUnifyLocal of constr * constr * constr | CannotUnifyBindingType of constr * constr | CannotGeneralize of constr @@ -59,7 +70,8 @@ val jv_nf_betaiotaevar : (** Raising errors *) val error_actual_type_loc : - loc -> env -> Evd.evar_map -> unsafe_judgment -> constr -> 'b + loc -> env -> Evd.evar_map -> unsafe_judgment -> constr -> + unification_error -> 'b val error_cant_apply_not_functional_loc : loc -> env -> Evd.evar_map -> @@ -93,14 +105,12 @@ val error_cannot_coerce : env -> Evd.evar_map -> constr * constr -> 'b 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 : env -> Evd.evar_map -> ?reason:unification_error -> + constr * constr -> 'b val error_cannot_unify_local : env -> Evd.evar_map -> constr * constr * constr -> 'b |