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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: type_errors.mli 8845 2006-05-23 07:41:58Z herbelin $ i*)
(*i*)
open Names
open Term
open Environ
(*i*)
(* Type errors. \label{typeerrors} *)
(*i Rem: NotEnoughAbstractionInFixBody should only occur with "/i" Fix
notation i*)
type guard_error =
(* Fixpoints *)
| NotEnoughAbstractionInFixBody
| RecursionNotOnInductiveType of constr
| RecursionOnIllegalTerm of int * constr * int list * int list
| NotEnoughArgumentsForFixCall of int
(* CoFixpoints *)
| CodomainNotInductiveType of constr
| NestedRecursiveOccurrences
| UnguardedRecursiveCall of constr
| RecCallInTypeOfAbstraction of constr
| RecCallInNonRecArgOfConstructor of constr
| RecCallInTypeOfDef of constr
| RecCallInCaseFun of constr
| RecCallInCaseArg of constr
| RecCallInCasePred of constr
| NotGuardedForm of constr
type arity_error =
| NonInformativeToInformative
| StrongEliminationOnNonSmallType
| WrongArity
type type_error =
| UnboundRel of int
| UnboundVar of variable
| NotAType of unsafe_judgment
| BadAssumption of unsafe_judgment
| ReferenceVariables of constr
| ElimArity of inductive * sorts_family list * constr * unsafe_judgment
* (sorts_family * sorts_family * arity_error) option
| CaseNotInductive of unsafe_judgment
| WrongCaseInfo of inductive * case_info
| NumberBranches of unsafe_judgment * int
| IllFormedBranch of constr * int * constr * constr
| Generalization of (name * types) * unsafe_judgment
| ActualType of unsafe_judgment * types
| CantApplyBadType of
(int * constr * constr) * unsafe_judgment * unsafe_judgment array
| CantApplyNonFunctional of unsafe_judgment * unsafe_judgment array
| IllFormedRecBody of guard_error * name array * int
| IllTypedRecBody of
int * name array * unsafe_judgment array * types array
exception TypeError of env * type_error
val error_unbound_rel : env -> int -> 'a
val error_unbound_var : env -> variable -> 'a
val error_not_type : env -> unsafe_judgment -> 'a
val error_assumption : env -> unsafe_judgment -> 'a
val error_reference_variables : env -> constr -> 'a
val error_elim_arity :
env -> inductive -> sorts_family list -> constr -> unsafe_judgment ->
(sorts_family * sorts_family * arity_error) option -> 'a
val error_case_not_inductive : env -> unsafe_judgment -> 'a
val error_number_branches : env -> unsafe_judgment -> int -> 'a
val error_ill_formed_branch : env -> constr -> int -> constr -> constr -> 'a
val error_generalization : env -> name * types -> unsafe_judgment -> 'a
val error_actual_type : env -> unsafe_judgment -> types -> 'a
val error_cant_apply_not_functional :
env -> unsafe_judgment -> unsafe_judgment array -> 'a
val error_cant_apply_bad_type :
env -> int * constr * constr ->
unsafe_judgment -> unsafe_judgment array -> 'a
val error_ill_formed_rec_body :
env -> guard_error -> name array -> int -> 'a
val error_ill_typed_rec_body :
env -> int -> name array -> unsafe_judgment array -> types array -> 'a
|
