diff options
Diffstat (limited to 'pretyping/pretype_errors.ml')
| -rw-r--r-- | pretyping/pretype_errors.ml | 119 |
1 files changed, 65 insertions, 54 deletions
diff --git a/pretyping/pretype_errors.ml b/pretyping/pretype_errors.ml index 00b6100c..278a4761 100644 --- a/pretyping/pretype_errors.ml +++ b/pretyping/pretype_errors.ml @@ -1,26 +1,27 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) -open Util open Names -open Term open Environ +open EConstr open Type_errors type unification_error = - | OccurCheck of existential_key * constr + | OccurCheck of Evar.t * constr | NotClean of existential * env * constr (* Constr is a variable not in scope *) | NotSameArgSize | NotSameHead | NoCanonicalStructure | ConversionFailed of env * constr * constr (* Non convertible closed terms *) - | MetaOccurInBody of existential_key - | InstanceNotSameType of existential_key * env * types * types + | MetaOccurInBody of Evar.t + | InstanceNotSameType of Evar.t * env * types * types | UnifUnivInconsistency of Univ.univ_inconsistency | CannotSolveConstraint of Evd.evar_constraint * unification_error | ProblemBeyondCapabilities @@ -31,14 +32,16 @@ type position_reporting = (position * int) * constr type subterm_unification_error = bool * position_reporting * position_reporting * (constr * constr * unification_error) option +type type_error = (constr, types) ptype_error + type pretype_error = (* Old Case *) | CantFindCaseType of constr (* Type inference unification *) | ActualTypeNotCoercible of unsafe_judgment * types * unification_error (* Tactic unification *) - | UnifOccurCheck of existential_key * constr - | UnsolvableImplicit of existential_key * Evd.unsolvability_explanation option + | UnifOccurCheck of Evar.t * constr + | UnsolvableImplicit of Evar.t * Evd.unsolvability_explanation option | CannotUnify of constr * constr * unification_error option | CannotUnifyLocal of constr * constr * constr | CannotUnifyBindingType of constr * constr @@ -55,7 +58,7 @@ type pretype_error = | TypingError of type_error | CannotUnifyOccurrences of subterm_unification_error | UnsatisfiableConstraints of - (existential_key * Evar_kinds.t) option * Evar.Set.t option + (Evar.t * Evar_kinds.t) option * Evar.Set.t option exception PretypeError of env * Evd.evar_map * pretype_error @@ -64,43 +67,54 @@ let precatchable_exception = function | Nametab.GlobalizationError _ -> true | _ -> false -let raise_pretype_error (loc,env,sigma,te) = - Loc.raise loc (PretypeError(env,sigma,te)) +let raise_pretype_error ?loc (env,sigma,te) = + Loc.raise ?loc (PretypeError(env,sigma,te)) -let raise_located_type_error (loc,env,sigma,te) = - Loc.raise loc (PretypeError(env,sigma,TypingError te)) +let raise_type_error ?loc (env,sigma,te) = + Loc.raise ?loc (PretypeError(env,sigma,TypingError te)) +let error_actual_type ?loc env sigma {uj_val=c;uj_type=actty} expty reason = + let j = {uj_val=c;uj_type=actty} in + raise_pretype_error ?loc + (env, sigma, ActualTypeNotCoercible (j, expty, reason)) -let error_actual_type_loc loc env sigma {uj_val=c;uj_type=actty} expty reason = +let error_actual_type_core ?loc env sigma {uj_val=c;uj_type=actty} expty = let j = {uj_val=c;uj_type=actty} in - raise_pretype_error - (loc, env, sigma, ActualTypeNotCoercible (j, expty, reason)) + raise_type_error ?loc + (env, sigma, ActualType (j, expty)) + +let error_cant_apply_not_functional ?loc env sigma rator randl = + raise_type_error ?loc + (env, sigma, CantApplyNonFunctional (rator, randl)) -let error_cant_apply_not_functional_loc loc env sigma rator randl = - raise_located_type_error - (loc, env, sigma, CantApplyNonFunctional (rator, Array.of_list randl)) +let error_cant_apply_bad_type ?loc env sigma (n,c,t) rator randl = + raise_type_error ?loc + (env, sigma, + CantApplyBadType ((n,c,t), rator, randl)) -let error_cant_apply_bad_type_loc loc env sigma (n,c,t) rator randl = - raise_located_type_error - (loc, env, sigma, - CantApplyBadType ((n,c,t), rator, Array.of_list randl)) +let error_ill_formed_branch ?loc env sigma c i actty expty = + raise_type_error + ?loc (env, sigma, IllFormedBranch (c, i, actty, expty)) -let error_ill_formed_branch_loc loc env sigma c i actty expty = - raise_located_type_error - (loc, env, sigma, IllFormedBranch (c, i, actty, expty)) +let error_number_branches ?loc env sigma cj expn = + raise_type_error ?loc (env, sigma, NumberBranches (cj, expn)) -let error_number_branches_loc loc env sigma cj expn = - raise_located_type_error (loc, env, sigma, NumberBranches (cj, expn)) +let error_case_not_inductive ?loc env sigma cj = + raise_type_error ?loc (env, sigma, CaseNotInductive cj) -let error_case_not_inductive_loc loc env sigma cj = - raise_located_type_error (loc, env, sigma, CaseNotInductive cj) +let error_ill_typed_rec_body ?loc env sigma i na jl tys = + raise_type_error ?loc + (env, sigma, IllTypedRecBody (i, na, jl, tys)) -let error_ill_typed_rec_body_loc loc env sigma i na jl tys = - raise_located_type_error - (loc, env, sigma, IllTypedRecBody (i, na, jl, tys)) +let error_elim_arity ?loc env sigma pi s c j a = + raise_type_error ?loc + (env, sigma, ElimArity (pi, s, c, j, a)) -let error_not_a_type_loc loc env sigma j = - raise_located_type_error (loc, env, sigma, NotAType j) +let error_not_a_type ?loc env sigma j = + raise_type_error ?loc (env, sigma, NotAType j) + +let error_assumption ?loc env sigma j = + raise_type_error ?loc (env, sigma, BadAssumption j) (*s Implicit arguments synthesis errors. It is hard to find a precise location. *) @@ -108,15 +122,12 @@ let error_not_a_type_loc loc env sigma j = let error_occur_check env sigma ev c = raise (PretypeError (env, sigma, UnifOccurCheck (ev,c))) -let error_unsolvable_implicit loc env sigma evk explain = - Loc.raise loc +let error_unsolvable_implicit ?loc env sigma evk explain = + Loc.raise ?loc (PretypeError (env, sigma, UnsolvableImplicit (evk, explain))) -let error_cannot_unify_loc loc env sigma ?reason (m,n) = - Loc.raise loc (PretypeError (env, sigma,CannotUnify (m,n,reason))) - -let error_cannot_unify env sigma ?reason (m,n) = - raise (PretypeError (env, sigma,CannotUnify (m,n,reason))) +let error_cannot_unify ?loc env sigma ?reason (m,n) = + Loc.raise ?loc (PretypeError (env, sigma,CannotUnify (m,n,reason))) let error_cannot_unify_local env sigma (m,n,sn) = raise (PretypeError (env, sigma,CannotUnifyLocal (m,n,sn))) @@ -140,21 +151,21 @@ let error_non_linear_unification env sigma hdmeta t = (*s Ml Case errors *) -let error_cant_find_case_type_loc loc env sigma expr = - raise_pretype_error (loc, env, sigma, CantFindCaseType expr) +let error_cant_find_case_type ?loc env sigma expr = + raise_pretype_error ?loc (env, sigma, CantFindCaseType expr) (*s Pretyping errors *) -let error_unexpected_type_loc loc env sigma actty expty = - raise_pretype_error (loc, env, sigma, UnexpectedType (actty, expty)) +let error_unexpected_type ?loc env sigma actty expty = + raise_pretype_error ?loc (env, sigma, UnexpectedType (actty, expty)) -let error_not_product_loc loc env sigma c = - raise_pretype_error (loc, env, sigma, NotProduct c) +let error_not_product ?loc env sigma c = + raise_pretype_error ?loc (env, sigma, NotProduct c) (*s Error in conversion from AST to glob_constr *) -let error_var_not_found_loc loc s = - raise_pretype_error (loc, empty_env, Evd.empty, VarNotFound s) +let error_var_not_found ?loc s = + raise_pretype_error ?loc (empty_env, Evd.empty, VarNotFound s) (*s Typeclass errors *) @@ -166,7 +177,7 @@ let unsatisfiable_constraints env evd ev comp = | Some ev -> let loc, kind = Evd.evar_source ev evd in let err = UnsatisfiableConstraints (Some (ev, kind), comp) in - Loc.raise loc (PretypeError (env,evd,err)) + Loc.raise ?loc (PretypeError (env,evd,err)) let unsatisfiable_exception exn = match exn with |