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(* $Id$ *)
open Pp
open Names
open Term
open Sign
open Environ
(* Type errors. *)
type type_error =
| UnboundRel of int
| CantExecute of constr
| NotAType of constr
| BadAssumption of constr
| ReferenceVariables of identifier
| ElimArity of inductive * constr list * constr * constr * constr
* (constr * constr * string) option
| CaseNotInductive of constr * constr
| NumberBranches of constr * constr * int
| IllFormedBranch of constr * int * constr * constr
| Generalization of (name * typed_type) * constr
| ActualType of constr * constr * constr
| CantApplyBadType of (int * constr * constr)
* unsafe_judgment * unsafe_judgment list
| CantApplyNonFunctional of unsafe_judgment * unsafe_judgment list
| IllFormedRecBody of std_ppcmds * name list * int * constr array
| IllTypedRecBody of int * name list * unsafe_judgment array
* typed_type array
| NotInductive of constr
| MLCase of string * constr * constr * constr * constr
| CantFindCaseType of constr
| OccurCheck of int * constr
| NotClean of int * constr
| VarNotFound of identifier
(* Pattern-matching errors *)
| BadConstructor of constructor * inductive
| WrongNumargConstructor of constructor_path * int
| WrongPredicateArity of constr * int * int
| NeedsInversion of constr * constr
exception TypeError of path_kind * context * type_error
let error_unbound_rel k env n =
raise (TypeError (k, context env, UnboundRel n))
let error_cant_execute k env c =
raise (TypeError (k, context env, CantExecute c))
let error_not_type k env c =
raise (TypeError (k, context env, NotAType c))
let error_assumption k env c =
raise (TypeError (k, context env, BadAssumption c))
let error_reference_variables k env id =
raise (TypeError (k, context env, ReferenceVariables id))
let error_elim_arity k env ind aritylst c p pt okinds =
raise (TypeError (k, context env, ElimArity (ind,aritylst,c,p,pt,okinds)))
let error_case_not_inductive k env c ct =
raise (TypeError (k, context env, CaseNotInductive (c,ct)))
let error_number_branches k env c ct expn =
raise (TypeError (k, context env, NumberBranches (c,ct,expn)))
let error_ill_formed_branch k env c i actty expty =
raise (TypeError (k, context env, IllFormedBranch (c,i,actty,expty)))
let error_generalization k env nvar c =
raise (TypeError (k, context env, Generalization (nvar,c)))
let error_actual_type k env c actty expty =
raise (TypeError (k, context env, ActualType (c,actty,expty)))
let error_cant_apply_not_functional k env rator randl =
raise (TypeError (k, context env, CantApplyNonFunctional (rator,randl)))
let error_cant_apply_bad_type k env t rator randl =
raise (TypeError (k, context env, CantApplyBadType (t,rator,randl)))
let error_ill_formed_rec_body k env str lna i vdefs =
raise (TypeError (k, context env, IllFormedRecBody (str,lna,i,vdefs)))
let error_ill_typed_rec_body k env i lna vdefj vargs =
raise (TypeError (k, context env, IllTypedRecBody (i,lna,vdefj,vargs)))
let error_not_inductive k env c =
raise (TypeError (k, context env, NotInductive c))
let error_ml_case k env mes c ct br brt =
raise (TypeError (k, context env, MLCase (mes,c,ct,br,brt)))
|
