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Diffstat (limited to 'plugins/decl_mode/g_decl_mode.ml4')
| -rw-r--r-- | plugins/decl_mode/g_decl_mode.ml4 | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/plugins/decl_mode/g_decl_mode.ml4 b/plugins/decl_mode/g_decl_mode.ml4 deleted file mode 100644 index 6c17dcc4..00000000 --- a/plugins/decl_mode/g_decl_mode.ml4 +++ /dev/null @@ -1,386 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(************************************************************************) - -(*i camlp4deps: "grammar/grammar.cma" i*) - -DECLARE PLUGIN "decl_mode_plugin" - -open Compat -open Pp -open Decl_expr -open Names -open Pcoq -open Vernacexpr -open Tok (* necessary for camlp4 *) - -open Pcoq.Constr -open Pcoq.Tactic -open Ppdecl_proof - -let pr_goal gs = - let (g,sigma) = Goal.V82.nf_evar (Tacmach.project gs) (Evd.sig_it gs) in - let env = Goal.V82.env sigma g in - let concl = Goal.V82.concl sigma g in - let goal = - Printer.pr_context_of env sigma ++ cut () ++ - str "============================" ++ cut () ++ - str "thesis :=" ++ cut () ++ - Printer.pr_goal_concl_style_env env sigma concl in - str " *** Declarative Mode ***" ++ fnl () ++ fnl () ++ - str " " ++ v 0 goal - -let pr_subgoals ?(pr_first=true) _ sigma _ _ _ gll = - match gll with - | [goal] when pr_first -> - pr_goal { Evd.it = goal ; sigma = sigma } - | _ -> - (* spiwack: it's not very nice to have to call proof global - here, a more robust solution would be to add a hook for - [Printer.pr_open_subgoals] in proof modes, in order to - compute the end command. Yet a more robust solution would be - to have focuses give explanations of their unfocusing - behaviour. *) - let p = Proof_global.give_me_the_proof () in - let close_cmd = Decl_mode.get_end_command p in - str "Subproof completed, now type " ++ str close_cmd ++ str "." - -let interp_proof_instr _ { Evd.it = gl ; sigma = sigma }= - Decl_interp.interp_proof_instr - (Decl_mode.get_info sigma gl) - (Goal.V82.env sigma gl) - (sigma) - -let vernac_decl_proof () = - let pf = Proof_global.give_me_the_proof () in - if Proof.is_done pf then - CErrors.error "Nothing left to prove here." - else - begin - Decl_proof_instr.go_to_proof_mode () ; - Proof_global.set_proof_mode "Declarative" - end - -(* spiwack: some bureaucracy is not performed here *) -let vernac_return () = - begin - Decl_proof_instr.return_from_tactic_mode () ; - Proof_global.set_proof_mode "Declarative" - end - -let vernac_proof_instr instr = - Decl_proof_instr.proof_instr instr - -(* Before we can write an new toplevel command (see below) - which takes a [proof_instr] as argument, we need to declare - how to parse it, print it, globalise it and interprete it. - Normally we could do that easily through ARGUMENT EXTEND, - but as the parsing is fairly complicated we will do it manually to - indirect through the [proof_instr] grammar entry. *) -(* spiwack: proposal: doing that directly from argextend.ml4, maybe ? *) - -(* Only declared at raw level, because only used in vernac commands. *) -let wit_proof_instr : (raw_proof_instr, glob_proof_instr, proof_instr) Genarg.genarg_type = - Genarg.make0 "proof_instr" - -(* We create a new parser entry [proof_mode]. The Declarative proof mode - will replace the normal parser entry for tactics with this one. *) -let proof_mode : vernac_expr Gram.entry = - Gram.entry_create "vernac:proof_command" -(* Auxiliary grammar entry. *) -let proof_instr : raw_proof_instr Gram.entry = - Pcoq.create_generic_entry Pcoq.utactic "proof_instr" (Genarg.rawwit wit_proof_instr) - -let _ = Pptactic.declare_extra_genarg_pprule wit_proof_instr - pr_raw_proof_instr pr_glob_proof_instr pr_proof_instr - -let classify_proof_instr = function - | { instr = Pescape |Pend B_proof } -> VtProofMode "Classic", VtNow - | _ -> Vernac_classifier.classify_as_proofstep - -(* We use the VERNAC EXTEND facility with a custom non-terminal - to populate [proof_mode] with a new toplevel interpreter. - The "-" indicates that the rule does not start with a distinguished - string. *) -VERNAC proof_mode EXTEND ProofInstr - [ - proof_instr(instr) ] => [classify_proof_instr instr] -> [ vernac_proof_instr instr ] -END - -(* It is useful to use GEXTEND directly to call grammar entries that have been - defined previously VERNAC EXTEND. In this case we allow, in proof mode, - the use of commands like Check or Print. VERNAC EXTEND does quite a bit of - bureaucracy for us, but it is not needed in this sort of case, and it would require - to have an ARGUMENT EXTEND version of the "proof_mode" grammar entry. *) -GEXTEND Gram - GLOBAL: proof_mode ; - - proof_mode: LAST - [ [ c=G_vernac.subgoal_command -> c (Some (Vernacexpr.SelectNth 1)) ] ] - ; -END - -(* We register a new proof mode here *) - -let _ = - Proof_global.register_proof_mode { Proof_global. - name = "Declarative" ; (* name for identifying and printing *) - (* function [set] goes from No Proof Mode to - Declarative Proof Mode performing side effects *) - set = begin fun () -> - (* We set the command non terminal to - [proof_mode] (which we just defined). *) - Pcoq.set_command_entry proof_mode ; - (* We substitute the goal printer, by the one we built - for the proof mode. *) - Printer.set_printer_pr { Printer.default_printer_pr with - Printer.pr_goal = pr_goal; - pr_subgoals = pr_subgoals; } - end ; - (* function [reset] goes back to No Proof Mode from - Declarative Proof Mode *) - reset = begin fun () -> - (* We restore the command non terminal to - [noedit_mode]. *) - Pcoq.set_command_entry Pcoq.Vernac_.noedit_mode ; - (* We restore the goal printer to default *) - Printer.set_printer_pr Printer.default_printer_pr - end - } - -VERNAC COMMAND EXTEND DeclProof -[ "proof" ] => [ VtProofMode "Declarative", VtNow ] -> [ vernac_decl_proof () ] -END -VERNAC COMMAND EXTEND DeclReturn -[ "return" ] => [ VtProofMode "Declarative", VtNow ] -> [ vernac_return () ] -END - -let none_is_empty = function - None -> [] - | Some l -> l - -GEXTEND Gram -GLOBAL: proof_instr; - thesis : - [[ "thesis" -> Plain - | "thesis"; "for"; i=ident -> (For i) - ]]; - statement : - [[ i=ident ; ":" ; c=constr -> {st_label=Name i;st_it=c} - | i=ident -> {st_label=Anonymous; - st_it=Constrexpr.CRef (Libnames.Ident (!@loc, i), None)} - | c=constr -> {st_label=Anonymous;st_it=c} - ]]; - constr_or_thesis : - [[ t=thesis -> Thesis t ] | - [ c=constr -> This c - ]]; - statement_or_thesis : - [ - [ t=thesis -> {st_label=Anonymous;st_it=Thesis t} ] - | - [ i=ident ; ":" ; cot=constr_or_thesis -> {st_label=Name i;st_it=cot} - | i=ident -> {st_label=Anonymous; - st_it=This (Constrexpr.CRef (Libnames.Ident (!@loc, i), None))} - | c=constr -> {st_label=Anonymous;st_it=This c} - ] - ]; - justification_items : - [[ -> Some [] - | "by"; l=LIST1 constr SEP "," -> Some l - | "by"; "*" -> None ]] - ; - justification_method : - [[ -> None - | "using"; tac = tactic -> Some tac ]] - ; - simple_cut_or_thesis : - [[ ls = statement_or_thesis; - j = justification_items; - taco = justification_method - -> {cut_stat=ls;cut_by=j;cut_using=taco} ]] - ; - simple_cut : - [[ ls = statement; - j = justification_items; - taco = justification_method - -> {cut_stat=ls;cut_by=j;cut_using=taco} ]] - ; - elim_type: - [[ IDENT "induction" -> ET_Induction - | IDENT "cases" -> ET_Case_analysis ]] - ; - block_type : - [[ IDENT "claim" -> B_claim - | IDENT "focus" -> B_focus - | IDENT "proof" -> B_proof - | et=elim_type -> B_elim et ]] - ; - elim_obj: - [[ IDENT "on"; c=constr -> Real c - | IDENT "of"; c=simple_cut -> Virtual c ]] - ; - elim_step: - [[ IDENT "consider" ; - h=consider_vars ; IDENT "from" ; c=constr -> Pconsider (c,h) - | IDENT "per"; et=elim_type; obj=elim_obj -> Pper (et,obj) - | IDENT "suffices"; ls=suff_clause; - j = justification_items; - taco = justification_method - -> Psuffices {cut_stat=ls;cut_by=j;cut_using=taco} ]] - ; - rew_step : - [[ "~=" ; c=simple_cut -> (Rhs,c) - | "=~" ; c=simple_cut -> (Lhs,c)]] - ; - cut_step: - [[ "then"; tt=elim_step -> Pthen tt - | "then"; c=simple_cut_or_thesis -> Pthen (Pcut c) - | IDENT "thus"; tt=rew_step -> Pthus (let s,c=tt in Prew (s,c)) - | IDENT "thus"; c=simple_cut_or_thesis -> Pthus (Pcut c) - | IDENT "hence"; c=simple_cut_or_thesis -> Phence (Pcut c) - | tt=elim_step -> tt - | tt=rew_step -> let s,c=tt in Prew (s,c); - | IDENT "have"; c=simple_cut_or_thesis -> Pcut c; - | IDENT "claim"; c=statement -> Pclaim c; - | IDENT "focus"; IDENT "on"; c=statement -> Pfocus c; - | "end"; bt = block_type -> Pend bt; - | IDENT "escape" -> Pescape ]] - ; - (* examiner s'il est possible de faire R _ et _ R pour R une relation qcq*) - loc_id: - [[ id=ident -> fun x -> (!@loc,(id,x)) ]]; - hyp: - [[ id=loc_id -> id None ; - | id=loc_id ; ":" ; c=constr -> id (Some c)]] - ; - consider_vars: - [[ name=hyp -> [Hvar name] - | name=hyp; ","; v=consider_vars -> (Hvar name) :: v - | name=hyp; - IDENT "such"; IDENT "that"; h=consider_hyps -> (Hvar name)::h - ]] - ; - consider_hyps: - [[ st=statement; IDENT "and"; h=consider_hyps -> Hprop st::h - | st=statement; IDENT "and"; - IDENT "consider" ; v=consider_vars -> Hprop st::v - | st=statement -> [Hprop st] - ]] - ; - assume_vars: - [[ name=hyp -> [Hvar name] - | name=hyp; ","; v=assume_vars -> (Hvar name) :: v - | name=hyp; - IDENT "such"; IDENT "that"; h=assume_hyps -> (Hvar name)::h - ]] - ; - assume_hyps: - [[ st=statement; IDENT "and"; h=assume_hyps -> Hprop st::h - | st=statement; IDENT "and"; - IDENT "we"; IDENT "have" ; v=assume_vars -> Hprop st::v - | st=statement -> [Hprop st] - ]] - ; - assume_clause: - [[ IDENT "we" ; IDENT "have" ; v=assume_vars -> v - | h=assume_hyps -> h ]] - ; - suff_vars: - [[ name=hyp; IDENT "to"; IDENT "show" ; c = constr_or_thesis -> - [Hvar name],c - | name=hyp; ","; v=suff_vars -> - let (q,c) = v in ((Hvar name) :: q),c - | name=hyp; - IDENT "such"; IDENT "that"; h=suff_hyps -> - let (q,c) = h in ((Hvar name) :: q),c - ]]; - suff_hyps: - [[ st=statement; IDENT "and"; h=suff_hyps -> - let (q,c) = h in (Hprop st::q),c - | st=statement; IDENT "and"; - IDENT "to" ; IDENT "have" ; v=suff_vars -> - let (q,c) = v in (Hprop st::q),c - | st=statement; IDENT "to"; IDENT "show" ; c = constr_or_thesis -> - [Hprop st],c - ]] - ; - suff_clause: - [[ IDENT "to" ; IDENT "have" ; v=suff_vars -> v - | h=suff_hyps -> h ]] - ; - let_vars: - [[ name=hyp -> [Hvar name] - | name=hyp; ","; v=let_vars -> (Hvar name) :: v - | name=hyp; IDENT "be"; - IDENT "such"; IDENT "that"; h=let_hyps -> (Hvar name)::h - ]] - ; - let_hyps: - [[ st=statement; IDENT "and"; h=let_hyps -> Hprop st::h - | st=statement; IDENT "and"; "let"; v=let_vars -> Hprop st::v - | st=statement -> [Hprop st] - ]]; - given_vars: - [[ name=hyp -> [Hvar name] - | name=hyp; ","; v=given_vars -> (Hvar name) :: v - | name=hyp; IDENT "such"; IDENT "that"; h=given_hyps -> (Hvar name)::h - ]] - ; - given_hyps: - [[ st=statement; IDENT "and"; h=given_hyps -> Hprop st::h - | st=statement; IDENT "and"; IDENT "given"; v=given_vars -> Hprop st::v - | st=statement -> [Hprop st] - ]]; - suppose_vars: - [[name=hyp -> [Hvar name] - |name=hyp; ","; v=suppose_vars -> (Hvar name) :: v - |name=hyp; OPT[IDENT "be"]; - IDENT "such"; IDENT "that"; h=suppose_hyps -> (Hvar name)::h - ]] - ; - suppose_hyps: - [[ st=statement_or_thesis; IDENT "and"; h=suppose_hyps -> Hprop st::h - | st=statement_or_thesis; IDENT "and"; IDENT "we"; IDENT "have"; - v=suppose_vars -> Hprop st::v - | st=statement_or_thesis -> [Hprop st] - ]] - ; - suppose_clause: - [[ IDENT "we"; IDENT "have"; v=suppose_vars -> v; - | h=suppose_hyps -> h ]] - ; - intro_step: - [[ IDENT "suppose" ; h=assume_clause -> Psuppose h - | IDENT "suppose" ; IDENT "it"; IDENT "is" ; c=pattern LEVEL "0" ; - po=OPT[ "with"; p=LIST1 hyp SEP ","-> p ] ; - ho=OPT[ IDENT "and" ; h=suppose_clause -> h ] -> - Pcase (none_is_empty po,c,none_is_empty ho) - | "let" ; v=let_vars -> Plet v - | IDENT "take"; witnesses = LIST1 constr SEP "," -> Ptake witnesses - | IDENT "assume"; h=assume_clause -> Passume h - | IDENT "given"; h=given_vars -> Pgiven h - | IDENT "define"; id=ident; args=LIST0 hyp; - "as"; body=constr -> Pdefine(id,args,body) - | IDENT "reconsider"; id=ident; "as" ; typ=constr -> Pcast (This id,typ) - | IDENT "reconsider"; t=thesis; "as" ; typ=constr -> Pcast (Thesis t ,typ) - ]] - ; - emphasis : - [[ -> 0 - | "*" -> 1 - | "**" -> 2 - | "***" -> 3 - ]] - ; - bare_proof_instr: - [[ c = cut_step -> c ; - | i = intro_step -> i ]] - ; - proof_instr : - [[ e=emphasis;i=bare_proof_instr;"." -> {emph=e;instr=i}]] - ; -END;; |