(* File to include to get some Coq facilities under the ocaml toplevel.
   This file is loaded by include *)

#cd".";;
#directory "parsing";;
#directory "interp";;
#directory "toplevel";;
#directory "library";;
#directory "kernel";;
#directory "engine";;
#directory "pretyping";;
#directory "lib";;
#directory "proofs";;
#directory "tactics";;
#directory "printing";;
#directory "grammar";;
#directory "stm";;
#directory "vernac";;

#directory "+camlp5";; (* Gramext is found in top_printers.ml *)

#use "top_printers.ml";;
#use "vm_printers.ml";;

#install_printer  (* identifier *) ppid;;
#install_printer  (* identifier *) ppidset;;
#install_printer  (* Intset.t *) ppintset;;
#install_printer  (* label *) pplab;;
#install_printer  (* mod_bound_id *) ppmbid;;
#install_printer  (* dir_path *) ppdir;;
#install_printer  (* module_path *) ppmp;;
#install_printer  (* section_path *)  ppsp;;
#install_printer  (* qualid *)  ppqualid;;
#install_printer  (* kernel_name *) ppkn;;
#install_printer  (* constant *) ppcon;;
#install_printer  (* projection *) ppproj;;
#install_printer  (* cl_index *) ppclindex;;
#install_printer  (* recarg Rtree.t *)  ppwf_paths;;
#install_printer  (* constr *)  print_pure_constr;;
#install_printer  (* patch *) ppripos;;
#install_printer  (* values *) ppvalues;;
#install_printer  (* Idpred.t *) pp_idpred;;
#install_printer  (* Cpred.t *) pp_cpred;;
#install_printer ppzipper;;
#install_printer ppstack;;
#install_printer (* Reductionops.Stack.t *) pp_stack_t;;
#install_printer ppatom;;
#install_printer ppwhd;;
#install_printer ppvblock;;
#install_printer  (* bigint *) ppbigint;;
#install_printer  (* loc *) pploc;;
#install_printer  (* substitution *) ppsubst;;

(* Open main files *)

open Names
open Term
open Vars
open Context
open Typeops
open Term_typing
open Univ
open Inductive
open Indtypes
open Cooking
open CClosure
open Reduction
open Safe_typing
open Declare
open Declaremods
open Impargs
open Libnames
open Globnames
open Nametab
open Library

open Cases
open Pattern
open Patternops
open Cbv
open Classops
open Arguments_renaming
open Pretyping
open Cbv
open Classops
open Clenv
open Clenvtac
open Constr_matching
open Glob_term
open Glob_ops
open Coercion
open Recordops
open Detyping
open Reductionops
open Evarconv
open Retyping
open Evarutil
open Evarsolve
open Tacred
open Evd
open Universes
open Termops
open Namegen
open Indrec
open Typing
open Inductiveops
open Locusops
open Find_subterm
open Unification
open Nativenorm
open Typeclasses
open Typeclasses_errors
open Vnorm

open Constrextern
open Constrintern
open Coqlib
open Genarg
open Modintern
open Notation
open Ppextend
open Reserve
open Syntax_def
open Constrexpr
open Constrexpr_ops
open Notation_term
open Notation_ops
open Prettyp
open Search

open Evar_refiner
open Goal
open Logic
open Pfedit
open Proof
open Proof_using
open Proof_global
open Proof_type
open Redexpr
open Refiner
open Tacmach
open Tactic_debug

open Hints
open Auto
open Autorewrite
open Contradiction
open Eauto
open Elim
open Equality
open Evar_tactics
open Extraargs
open Extratactics
open Hipattern
open Inv
open Leminv
open Tacsubst
open Tacintern
open Tacinterp
open Tacticals
open Tactics
open Eqschemes

open ExplainErr
open Class
open ComDefinition
open Indschemes
open Ind_tables
open Auto_ind_decl
open Coqinit
open Coqtop
open Discharge
open Himsg
open Metasyntax
open Mltop
open Record
open Coqloop
open Vernacentries
open Vernacinterp
open Vernac

(* Various utilities *)

let qid = Libnames.qualid_of_string;;

(* parsing of terms *)

let parse_constr = Pcoq.parse_string Pcoq.Constr.constr;;
let parse_vernac = Pcoq.parse_string Pvernac.Vernac_.vernac_control;;
let parse_tac    = Pcoq.parse_string Ltac_plugin.Pltac.tactic;;

(* build a term of type glob_constr without type-checking or resolution of 
   implicit syntax *)

let e s =
  let env = Global.env () in
  let sigma = Evd.from_env env in
  Constrintern.intern_constr env sigma (parse_constr s);;

(* build a term of type constr with type-checking and resolution of 
   implicit syntax *)

let constr_of_string s = 
  let env = Global.env () in
  let sigma = Evd.from_env env in
  Constrintern.interp_constr env sigma (parse_constr s);;

(* get the body of a constant *)

open Declarations;;
open Declareops;;

let constbody_of_string s =
  let b = Global.lookup_constant (Nametab.locate_constant (qualid_of_string s)) in
  Option.get (Global.body_of_constant_body b);;

(* Get the current goal *)
(*
let getgoal x = top_goal_of_pftreestate (Pfedit.get_pftreestate x);;

let get_nth_goal n = nth_goal_of_pftreestate n (Pfedit.get_pftreestate ());;
let current_goal () = get_nth_goal 1;;
*)
let pf_e gl s = 
  Constrintern.interp_constr (pf_env gl) (project gl) (parse_constr s);;

(* Set usual printing since the global env is available from the tracer *)
let _ = Flags.in_debugger := false
let _ = Flags.in_toplevel := true
let _ = Constrextern.set_extern_reference
  (fun ?loc _ r -> Nametab.shortest_qualid_of_global ?loc Id.Set.empty r);;

let go () = Coqloop.(loop ~opts:Option.(get !drop_args) ~state:Option.(get !drop_last_doc))

let _ =
 print_string
   ("\n\tOcaml toplevel with Coq printers and utilities (use go();; to exit)\n\n");
 flush_all()