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Datei:
Case3.v
Sprache: Coq
Untersuchungsergebnis.mlg Download desText {Text[99] Isabelle[121] Abap[173]}zum Wurzelverzeichnis wechseln (************************************************************************)
(* * 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 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(* Syntax for rewriting with strategies *)
{
open Names
open Locus
open Constrexpr
open Glob_term
open Genintern
open Geninterp
open Extraargs
open Tacmach
open Rewrite
open Stdarg
open Tactypes
open Pcoq.Prim
open Pcoq.Constr
open Pvernac.Vernac_
open Pltac
open Vernacextend
let wit_hyp = wit_var
}
DECLARE PLUGIN "ltac_plugin"
{
type constr_expr_with_bindings = constr_expr with_bindings
type glob_constr_with_bindings = glob_constr_and_expr with_bindings
type glob_constr_with_bindings_sign = interp_sign * glob_constr_and_expr with_bindings
let pr_glob_constr_with_bindings_sign env sigma _ _ _ (ge : glob_constr_with_bindings_sign) =
Printer.pr_glob_constr_env env (fst (fst (snd ge)))
let pr_glob_constr_with_bindings env sigma _ _ _ (ge : glob_constr_with_bindings) =
Printer.pr_glob_constr_env env (fst (fst ge))
let pr_constr_expr_with_bindings env sigma prc _ _ (ge : constr_expr_with_bindings) = prc env sigma (fst ge)
let interp_glob_constr_with_bindings ist gl c = Tacmach.project gl , (ist, c)
let glob_glob_constr_with_bindings ist l = Tacintern.intern_constr_with_bindings ist l
let subst_glob_constr_with_bindings s c =
Tacsubst.subst_glob_with_bindings s c
}
ARGUMENT EXTEND glob_constr_with_bindings
PRINTED BY { pr_glob_constr_with_bindings_sign env sigma }
INTERPRETED BY { interp_glob_constr_with_bindings }
GLOBALIZED BY { glob_glob_constr_with_bindings }
SUBSTITUTED BY { subst_glob_constr_with_bindings }
RAW_PRINTED BY { pr_constr_expr_with_bindings env sigma }
GLOB_PRINTED BY { pr_glob_constr_with_bindings env sigma }
| [ constr_with_bindings(bl) ] -> { bl }
END
{
type raw_strategy = (constr_expr, Tacexpr.raw_red_expr) strategy_ast
type glob_strategy = (glob_constr_and_expr, Tacexpr.raw_red_expr) strategy_ast
let interp_strategy ist gl s =
let sigma = project gl in
sigma, strategy_of_ast s
let glob_strategy ist s = map_strategy (Tacintern.intern_constr ist) (fun c -> c) s
let subst_strategy s str = str
let pr_strategy _ _ _ (s : strategy) = Pp.str "<strategy>"
let pr_raw_strategy env sigma prc prlc _ (s : raw_strategy) =
let prr = Pptactic.pr_red_expr env sigma (prc, prlc, Pputils.pr_or_by_notation Libnames.pr_qualid, prc) in
Rewrite.pr_strategy (prc env sigma) prr s
let pr_glob_strategy env sigma prc prlc _ (s : glob_strategy) =
let prr = Pptactic.pr_red_expr env sigma
(Ppconstr.pr_constr_expr,
Ppconstr.pr_lconstr_expr,
Pputils.pr_or_by_notation Libnames.pr_qualid,
Ppconstr.pr_constr_expr)
in
Rewrite.pr_strategy (prc env sigma) prr s
}
ARGUMENT EXTEND rewstrategy
PRINTED BY { pr_strategy }
INTERPRETED BY { interp_strategy }
GLOBALIZED BY { glob_strategy }
SUBSTITUTED BY { subst_strategy }
RAW_PRINTED BY { pr_raw_strategy env sigma }
GLOB_PRINTED BY { pr_glob_strategy env sigma }
| [ glob(c) ] -> { StratConstr (c, true) }
| [ "<-" constr(c) ] -> { StratConstr (c, false) }
| [ "subterms" rewstrategy(h) ] -> { StratUnary (Subterms, h) }
| [ "subterm" rewstrategy(h) ] -> { StratUnary (Subterm, h) }
| [ "innermost" rewstrategy(h) ] -> { StratUnary(Innermost, h) }
| [ "outermost" rewstrategy(h) ] -> { StratUnary(Outermost, h) }
| [ "bottomup" rewstrategy(h) ] -> { StratUnary(Bottomup, h) }
| [ "topdown" rewstrategy(h) ] -> { StratUnary(Topdown, h) }
| [ "id" ] -> { StratId }
| [ "fail" ] -> { StratFail }
| [ "refl" ] -> { StratRefl }
| [ "progress" rewstrategy(h) ] -> { StratUnary (Progress, h) }
| [ "try" rewstrategy(h) ] -> { StratUnary (Try, h) }
| [ "any" rewstrategy(h) ] -> { StratUnary (Any, h) }
| [ "repeat" rewstrategy(h) ] -> { StratUnary (Repeat, h) }
| [ rewstrategy(h) ";" rewstrategy(h') ] -> { StratBinary (Compose, h, h') }
| [ "(" rewstrategy(h) ")" ] -> { h }
| [ "choice" rewstrategy(h) rewstrategy(h') ] -> { StratBinary (Choice, h, h') }
| [ "old_hints" preident(h) ] -> { StratHints (true, h) }
| [ "hints" preident(h) ] -> { StratHints (false, h) }
| [ "terms" constr_list(h) ] -> { StratTerms h }
| [ "eval" red_expr(r) ] -> { StratEval r }
| [ "fold" constr(c) ] -> { StratFold c }
END
(* By default the strategy for "rewrite_db" is top-down *)
{
let db_strat db = StratUnary (Topdown, StratHints (false, db))
let cl_rewrite_clause_db db = cl_rewrite_clause_strat (strategy_of_ast (db_strat db))
}
TACTIC EXTEND rewrite_strat
| [ "rewrite_strat" rewstrategy(s) "in" hyp(id) ] -> { cl_rewrite_clause_strat s (Some id) }
| [ "rewrite_strat" rewstrategy(s) ] -> { cl_rewrite_clause_strat s None }
| [ "rewrite_db" preident(db) "in" hyp(id) ] -> { cl_rewrite_clause_db db (Some id) }
| [ "rewrite_db" preident(db) ] -> { cl_rewrite_clause_db db None }
END
{
let clsubstitute o c =
Proofview.Goal.enter begin fun gl ->
let is_tac id = match DAst.get (fst (fst (snd c))) with GVar id' when Id.equal id' id -> true | _ -> false in
let hyps = Tacmach.New.pf_ids_of_hyps gl in
Tacticals.New.tclMAP
(fun cl ->
match cl with
| Some id when is_tac id -> Tacticals.New.tclIDTAC
| _ -> cl_rewrite_clause c o AllOccurrences cl)
(None :: List.map (fun id -> Some id) hyps)
end
}
TACTIC EXTEND substitute
| [ "substitute" orient(o) glob_constr_with_bindings(c) ] -> { clsubstitute o c }
END
(* Compatibility with old Setoids *)
TACTIC EXTEND setoid_rewrite
| [ "setoid_rewrite" orient(o) glob_constr_with_bindings(c) ]
-> { cl_rewrite_clause c o AllOccurrences None }
| [ "setoid_rewrite" orient(o) glob_constr_with_bindings(c) "in" hyp(id) ] ->
{ cl_rewrite_clause c o AllOccurrences (Some id) }
| [ "setoid_rewrite" orient(o) glob_constr_with_bindings(c) "at" occurrences(occ) ] ->
{ cl_rewrite_clause c o (occurrences_of occ) None }
| [ "setoid_rewrite" orient(o) glob_constr_with_bindings(c) "at" occurrences(occ) "in" hyp(id)] ->
{ cl_rewrite_clause c o (occurrences_of occ) (Some id) }
| [ "setoid_rewrite" orient(o) glob_constr_with_bindings(c) "in" hyp(id) "at" occurrences(occ)] ->
{ cl_rewrite_clause c o (occurrences_of occ) (Some id) }
END
VERNAC COMMAND EXTEND AddRelation CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(lemma1)
"symmetry" "proved" "by" constr(lemma2) "as" ident(n) ] ->
{ declare_relation atts a aeq n (Some lemma1) (Some lemma2) None }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(lemma1)
"as" ident(n) ] ->
{ declare_relation atts a aeq n (Some lemma1) None None }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "as" ident(n) ] ->
{ declare_relation atts a aeq n None None None }
END
VERNAC COMMAND EXTEND AddRelation2 CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "symmetry" "proved" "by" constr(lemma2)
"as" ident(n) ] ->
{ declare_relation atts a aeq n None (Some lemma2) None }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "symmetry" "proved" "by" constr(lemma2) "transitivity" "proved" "by" constr(lemma3) "as" ident(n) ] ->
{ declare_relation atts a aeq n None (Some lemma2) (Some lemma3) }
END
VERNAC COMMAND EXTEND AddRelation3 CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(lemma1)
"transitivity" "proved" "by" constr(lemma3) "as" ident(n) ] ->
{ declare_relation atts a aeq n (Some lemma1) None (Some lemma3) }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(lemma1)
"symmetry" "proved" "by" constr(lemma2) "transitivity" "proved" "by" constr(lemma3)
"as" ident(n) ] ->
{ declare_relation atts a aeq n (Some lemma1) (Some lemma2) (Some lemma3) }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Relation" constr(a) constr(aeq) "transitivity" "proved" "by" constr(lemma3)
"as" ident(n) ] ->
{ declare_relation atts a aeq n None None (Some lemma3) }
END
{
type binders_argtype = local_binder_expr list
let wit_binders =
(Genarg.create_arg "binders" : binders_argtype Genarg.uniform_genarg_type)
let binders = Pcoq.create_generic_entry Pcoq.utactic "binders" (Genarg.rawwit wit_binders)
let () =
let raw_printer env sigma _ _ _ l = Pp.pr_non_empty_arg (Ppconstr.pr_binders env sigma) l in
Pptactic.declare_extra_vernac_genarg_pprule wit_binders raw_printer
}
GRAMMAR EXTEND Gram
GLOBAL: binders;
binders:
[ [ b = Pcoq.Constr.binders -> { b } ] ];
END
VERNAC COMMAND EXTEND AddParametricRelation CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq)
"reflexivity" "proved" "by" constr(lemma1)
"symmetry" "proved" "by" constr(lemma2) "as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n (Some lemma1) (Some lemma2) None }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq)
"reflexivity" "proved" "by" constr(lemma1)
"as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n (Some lemma1) None None }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq) "as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n None None None }
END
VERNAC COMMAND EXTEND AddParametricRelation2 CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq) "symmetry" "proved" "by" constr(lemma2)
"as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n None (Some lemma2) None }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq) "symmetry" "proved" "by" constr(lemma2) "transitivity" "proved" "by" constr(lemma3) "as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n None (Some lemma2) (Some lemma3) }
END
VERNAC COMMAND EXTEND AddParametricRelation3 CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(lemma1)
"transitivity" "proved" "by" constr(lemma3) "as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n (Some lemma1) None (Some lemma3) }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq) "reflexivity" "proved" "by" constr(lemma1)
"symmetry" "proved" "by" constr(lemma2) "transitivity" "proved" "by" constr(lemma3)
"as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n (Some lemma1) (Some lemma2) (Some lemma3) }
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Relation" binders(b) ":" constr(a) constr(aeq) "transitivity" "proved" "by" constr(lemma3)
"as" ident(n) ] ->
{ declare_relation atts ~binders:b a aeq n None None (Some lemma3) }
END
VERNAC COMMAND EXTEND AddSetoid1 CLASSIFIED AS SIDEFF
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Setoid" constr(a) constr(aeq) constr(t) "as" ident(n) ] ->
{
add_setoid atts [] a aeq t n
}
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Setoid" binders(binders) ":" constr(a) constr(aeq) constr(t) "as" ident(n) ] ->
{
add_setoid atts binders a aeq t n
}
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Morphism" constr(m) ":" ident(n) ]
(* This command may or may not open a goal *)
=> { VtUnknown, VtNow }
-> {
add_morphism_infer atts m n
}
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Morphism" constr(m) "with" "signature" lconstr(s) "as" ident(n) ]
=> { VtStartProof(GuaranteesOpacity,[n]), VtLater }
-> {
add_morphism atts [] m s n
}
| #[ atts = rewrite_attributes; ] ![ proof ] [ "Add" "Parametric" "Morphism" binders(binders) ":" constr(m)
"with" "signature" lconstr(s) "as" ident(n) ]
=> { VtStartProof(GuaranteesOpacity,[n]), VtLater }
-> {
add_morphism atts binders m s n
}
END
TACTIC EXTEND setoid_symmetry
| [ "setoid_symmetry" ] -> { setoid_symmetry }
| [ "setoid_symmetry" "in" hyp(n) ] -> { setoid_symmetry_in n }
END
TACTIC EXTEND setoid_reflexivity
| [ "setoid_reflexivity" ] -> { setoid_reflexivity }
END
TACTIC EXTEND setoid_transitivity
| [ "setoid_transitivity" constr(t) ] -> { setoid_transitivity (Some t) }
| [ "setoid_etransitivity" ] -> { setoid_transitivity None }
END
VERNAC COMMAND EXTEND PrintRewriteHintDb CLASSIFIED AS QUERY
| [ "Print" "Rewrite" "HintDb" preident(s) ] ->
{ Feedback.msg_notice (Autorewrite.print_rewrite_hintdb s) }
END
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