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(* $Id$ *)
(*i*)
open Names
open Generic
open Term
open Univ
open Evd
open Environ
open Closure
(*i*)
(* Reduction Functions. *)
exception Redelimination
exception Elimconst
type 'a contextual_reduction_function = env -> 'a evar_map -> constr -> constr
type 'a reduction_function = 'a contextual_reduction_function
type local_reduction_function = constr -> constr
type 'a contextual_stack_reduction_function =
env -> 'a evar_map -> constr -> constr list -> constr * constr list
type 'a stack_reduction_function = 'a contextual_stack_reduction_function
type local_stack_reduction_function =
constr -> constr list -> constr * constr list
val whd_stack : local_stack_reduction_function
(*s Reduction Function Operators *)
val local_under_casts : local_reduction_function -> local_reduction_function
val under_casts :
'a contextual_reduction_function -> 'a contextual_reduction_function
val strong : 'a reduction_function -> 'a reduction_function
val local_strong : local_reduction_function -> local_reduction_function
val strong_prodspine : 'a reduction_function -> 'a reduction_function
val stack_reduction_of_reduction :
'a reduction_function -> 'a stack_reduction_function
val stacklam : (constr -> constr list -> 'a) -> constr list -> constr
-> constr list -> 'a
(*s Generic Optimized Reduction Functions using Closures *)
(* 1. lazy strategy *)
val clos_norm_flags : Closure.flags -> 'a reduction_function
(* Same as [(strong whd_beta[delta][iota])], but much faster on big terms *)
val nf_beta : 'a reduction_function
val nf_betaiota : 'a reduction_function
val nf_betadeltaiota : 'a reduction_function
(* 2. call by value strategy *)
val cbv_norm_flags : flags -> 'a reduction_function
val cbv_beta : 'a reduction_function
val cbv_betaiota : 'a reduction_function
val cbv_betadeltaiota : 'a reduction_function
(* 3. lazy strategy, weak head reduction *)
val whd_beta : local_reduction_function
val whd_betaiota : local_reduction_function
val whd_betadeltaiota : 'a contextual_reduction_function
val whd_beta_stack : local_stack_reduction_function
val whd_betaiota_stack : local_stack_reduction_function
val whd_betadeltaiota_stack : 'a contextual_stack_reduction_function
(*s Head normal forms *)
val whd_const_stack : section_path list -> 'a stack_reduction_function
val whd_const : section_path list -> 'a reduction_function
val whd_delta_stack : 'a stack_reduction_function
val whd_delta : 'a reduction_function
val whd_betadelta_stack : 'a stack_reduction_function
val whd_betadelta : 'a reduction_function
val whd_betaevar_stack : 'a stack_reduction_function
val whd_betaevar : 'a reduction_function
val whd_betaiotaevar_stack : 'a stack_reduction_function
val whd_betaiotaevar : 'a reduction_function
val whd_betadeltaeta_stack : 'a stack_reduction_function
val whd_betadeltaeta : 'a reduction_function
val whd_betadeltaiotaeta_stack : 'a stack_reduction_function
val whd_betadeltaiotaeta : 'a reduction_function
val whd_evar : 'a reduction_function
val beta_applist : (constr * constr list) -> constr
val hnf_prod_app : env -> 'a evar_map -> constr -> constr -> constr
val hnf_prod_appvect : env -> 'a evar_map -> constr -> constr array -> constr
val hnf_prod_applist : env -> 'a evar_map -> constr -> constr list -> constr
val hnf_lam_app : env -> 'a evar_map -> constr -> constr -> constr
val hnf_lam_appvect : env -> 'a evar_map -> constr -> constr array -> constr
val hnf_lam_applist : env -> 'a evar_map -> constr -> constr list -> constr
val splay_prod : env -> 'a evar_map -> constr -> (name * constr) list * constr
val splay_arity : env -> 'a evar_map -> constr -> (name * constr) list * sorts
val sort_of_arity : env -> constr -> sorts
val decomp_prod : env -> 'a evar_map -> constr -> int * constr
val decomp_n_prod :
env -> 'a evar_map -> int -> constr -> ((name * constr) list) * constr
type 'a miota_args = {
mP : constr; (* the result type *)
mconstr : constr; (* the constructor *)
mci : case_info; (* special info to re-build pattern *)
mcargs : 'a list; (* the constructor's arguments *)
mlf : 'a array } (* the branch code vector *)
val reducible_mind_case : constr -> bool
val reduce_mind_case : constr miota_args -> constr
val is_arity : env -> 'a evar_map -> constr -> bool
val is_info_arity : env -> 'a evar_map -> constr -> bool
val is_info_sort : env -> 'a evar_map -> constr -> bool
val is_logic_arity : env -> 'a evar_map -> constr -> bool
val is_type_arity : env -> 'a evar_map -> constr -> bool
val is_info_type : env -> 'a evar_map -> typed_type -> bool
val is_info_cast_type : env -> 'a evar_map -> constr -> bool
val contents_of_cast_type : env -> 'a evar_map -> constr -> contents
val poly_args : env -> 'a evar_map -> constr -> int list
val whd_programs : 'a reduction_function
val unfoldn :
(int list * section_path) list -> 'a reduction_function
val fold_one_com : constr -> 'a reduction_function
val fold_commands : constr list -> 'a reduction_function
val pattern_occs : (int list * constr * constr) list -> 'a reduction_function
val compute : 'a reduction_function
val fix_recarg : constr -> 'a list -> (int * 'a) option
val reduce_fix : (constr -> 'a list -> constr * constr list) -> constr ->
constr list -> bool * (constr * constr list)
(*s Conversion Functions (uses closures, lazy strategy) *)
type conv_pb =
| CONV
| CONV_LEQ
val pb_is_equal : conv_pb -> bool
val pb_equal : conv_pb -> conv_pb
type conversion_test = constraints -> constraints
exception NotConvertible
val sort_cmp : conv_pb -> sorts -> sorts -> conversion_test
val base_sort_cmp : conv_pb -> sorts -> sorts -> bool
val bool_and_convert : bool -> conversion_test -> conversion_test
val convert_and : conversion_test -> conversion_test -> conversion_test
val convert_or : conversion_test -> conversion_test -> conversion_test
val convert_forall2 :
('a -> 'b -> conversion_test) -> 'a array -> 'b array -> conversion_test
type 'a conversion_function =
env -> 'a evar_map -> constr -> constr -> constraints
val fconv : conv_pb -> 'a conversion_function
(* [fconv] has 2 instances: [conv = fconv CONV] i.e. conversion test, and
[conv_leq = fconv CONV_LEQ] i.e. cumulativity test. *)
val conv : 'a conversion_function
val conv_leq : 'a conversion_function
val conv_forall2 :
'a conversion_function -> env -> 'a evar_map -> constr array
-> constr array -> constraints
val conv_forall2_i :
(int -> 'a conversion_function) -> env -> 'a evar_map
-> constr array -> constr array -> constraints
val is_conv : env -> 'a evar_map -> constr -> constr -> bool
val is_conv_leq : env -> 'a evar_map -> constr -> constr -> bool
val is_fconv : conv_pb -> env -> 'a evar_map -> constr -> constr -> bool
(*s Special-Purpose Reduction Functions *)
val whd_meta : (int * constr) list -> constr -> constr
val plain_instance : (int * constr) list -> constr -> constr
val instance : (int * constr) list -> constr -> constr
(* [whd_ise] raise [Uninstantiated_evar] if an evar remains uninstantiated; *)
(* *[whd_ise1]* is synonymous of *[whd_evar empty_env]* and *[nf_ise1]* of *)
(* *[strong whd_evar empty_env]*: they leave uninstantiated evar as it *)
val whd_ise1 : 'a evar_map -> constr -> constr
val nf_ise1 : 'a evar_map -> constr -> constr
exception Uninstantiated_evar of int
val whd_ise : 'a evar_map -> constr -> constr
val whd_ise1_metas : 'a evar_map -> constr -> constr
(*s Obsolete Reduction Functions *)
val hnf : env -> 'a evar_map -> constr -> constr * constr list
val apprec : 'a stack_reduction_function
val red_product : 'a reduction_function
|
