type ast_statement =
(CicNotationPt.term, CicNotationPt.term,
- CicNotationPt.term GrafiteAst.reduction, CicNotationPt.obj, string)
+ CicNotationPt.term GrafiteAst.reduction,
+ CicNotationPt.term CicNotationPt.obj, string)
GrafiteAst.statement
type statement =
| SYMBOL "<" -> `RightToLeft ]
];
int: [ [ num = NUMBER -> int_of_string num ] ];
+ intros_names: [
+ [ idents = OPT ident_list0 ->
+ match idents with None -> [] | Some idents -> idents
+ ]
+ ];
intros_spec: [
- [ num = OPT [ num = int -> num ]; idents = OPT ident_list0 ->
- let idents = match idents with None -> [] | Some idents -> idents in
+ [ OPT [ IDENT "names" ];
+ num = OPT [ num = int -> num ];
+ idents = intros_names ->
num, idents
]
];
GrafiteAst.Assumption loc
| IDENT "auto"; params = auto_params ->
GrafiteAst.Auto (loc,params)
+ | IDENT "cases"; what = tactic_term;
+ (num, idents) = intros_spec ->
+ GrafiteAst.Cases (loc, what, idents)
| IDENT "clear"; ids = LIST1 IDENT ->
GrafiteAst.Clear (loc, ids)
| IDENT "clearbody"; id = IDENT ->
GrafiteAst.Contradiction loc
| IDENT "cut"; t = tactic_term; ident = OPT [ "as"; id = IDENT -> id] ->
GrafiteAst.Cut (loc, ident, t)
- | IDENT "decompose"; types = OPT ident_list0; what = OPT IDENT;
- idents = OPT [ "as"; idents = LIST1 IDENT -> idents ] ->
- let types = match types with None -> [] | Some types -> types in
+ | IDENT "decompose"; idents = OPT [ "as"; idents = LIST1 IDENT -> idents ] ->
let idents = match idents with None -> [] | Some idents -> idents in
- let to_spec id = GrafiteAst.Ident id in
- GrafiteAst.Decompose (loc, List.rev_map to_spec types, what, idents)
+ GrafiteAst.Decompose (loc, idents)
| IDENT "demodulate" -> GrafiteAst.Demodulate loc
| IDENT "destruct"; t = tactic_term ->
GrafiteAst.Destruct (loc, t)
- | IDENT "elim"; what = tactic_term; using = using;
- (num, idents) = intros_spec ->
- GrafiteAst.Elim (loc, what, using, num, idents)
+ | IDENT "elim"; what = tactic_term; using = using;
+ pattern = OPT pattern_spec;
+ (num, idents) = intros_spec ->
+ let pattern = match pattern with
+ | None -> None, [], Some Ast.UserInput
+ | Some pattern -> pattern
+ in
+ GrafiteAst.Elim (loc, what, using, pattern, num, idents)
| IDENT "elimType"; what = tactic_term; using = using;
(num, idents) = intros_spec ->
GrafiteAst.ElimType (loc, what, using, num, idents)
GrafiteAst.FwdSimpl (loc, hyp, idents)
| IDENT "generalize"; p=pattern_spec; id = OPT ["as" ; id = IDENT -> id] ->
GrafiteAst.Generalize (loc,p,id)
- | IDENT "goal"; n = int ->
- GrafiteAst.Goal (loc, n)
| IDENT "id" -> GrafiteAst.IdTac loc
| IDENT "intro"; ident = OPT IDENT ->
let idents = match ident with None -> [] | Some id -> [id] in
GrafiteAst.Reflexivity loc
| IDENT "replace"; p = pattern_spec; "with"; t = tactic_term ->
GrafiteAst.Replace (loc, p, t)
- | IDENT "rewrite" ; d = direction; t = tactic_term ; p = pattern_spec ->
+ | IDENT "rewrite" ; d = direction; t = tactic_term ; p = pattern_spec;
+ xnames = OPT [ "as"; n = ident_list0 -> n ] ->
let (pt,_,_) = p in
if pt <> None then
raise
(CicNotationParser.Parse_error
"the pattern cannot specify the term to rewrite, only its paths in the hypotheses and in the conclusion")))
else
- GrafiteAst.Rewrite (loc, d, t, p)
+ let n = match xnames with None -> [] | Some names -> names in
+ GrafiteAst.Rewrite (loc, d, t, p, n)
| IDENT "right" ->
GrafiteAst.Right loc
| IDENT "ring" ->
| BYC_weproved (ty,id,t1) ->
GrafiteAst.By_term_we_proved(loc, t', ty, id, t1)
| BYC_letsuchthat (id1,t1,id2,t2) ->
- (match t with
+ (* (match t with
LNone floc ->
raise (HExtlib.Localized
(floc,CicNotationParser.Parse_error
"tactic_term expected here"))
- | LSome t -> GrafiteAst.ExistsElim (loc, t, id1, t1, id2, t2))
+ | LSome t ->*) GrafiteAst.ExistsElim (loc, t', id1, t1, id2, t2)(*)*)
| BYC_wehaveand (id1,t1,id2,t2) ->
(match t with
LNone floc ->
| LSome t -> GrafiteAst.AndElim (loc, t, id1, t1, id2, t2)))
| IDENT "we" ; IDENT "need" ; "to" ; IDENT "prove" ; t = tactic_term ; id = OPT [ LPAREN ; id = IDENT ; RPAREN -> id ] ; t1 = OPT [IDENT "or" ; IDENT "equivalently"; t' = tactic_term -> t']->
GrafiteAst.We_need_to_prove (loc, t, id, t1)
+ | IDENT "we" ; IDENT "proceed" ; IDENT "by" ; IDENT "cases" ; "on" ; t=tactic_term ; "to" ; IDENT "prove" ; t1=tactic_term ->
+ GrafiteAst.We_proceed_by_cases_on (loc, t, t1)
| IDENT "we" ; IDENT "proceed" ; IDENT "by" ; IDENT "induction" ; "on" ; t=tactic_term ; "to" ; IDENT "prove" ; t1=tactic_term ->
GrafiteAst.We_proceed_by_induction_on (loc, t, t1)
| IDENT "by" ; IDENT "induction" ; IDENT "hypothesis" ; IDENT "we" ; IDENT "know" ; t=tactic_term ; LPAREN ; id = IDENT ; RPAREN ->
| IDENT "case" ; id = IDENT ; params=LIST0[LPAREN ; i=IDENT ;
SYMBOL":" ; t=tactic_term ; RPAREN -> i,t] ->
GrafiteAst.Case(loc,id,params)
- | IDENT "obtain" ; termine=tactic_term ; SYMBOL "=" ; t1=tactic_term ; IDENT "by" ; t2=[ t=tactic_term -> `Term t | SYMBOL "_" ; params = auto_params' -> `Auto params ] ; cont=rewriting_step_continuation ->
- GrafiteAst.RewritingStep(loc, Some termine, t1, t2, cont)
+ | start=[IDENT "conclude" -> None | IDENT "obtain" ; name = IDENT -> Some name] ; termine=tactic_term ; SYMBOL "=" ; t1=tactic_term ; IDENT "by" ; t2=[ t=tactic_term -> `Term t | SYMBOL "_" ; params = auto_params' -> `Auto params ] ; cont=rewriting_step_continuation ->
+ GrafiteAst.RewritingStep(loc, Some (start,termine), t1, t2, cont)
| SYMBOL "=" ; t1=tactic_term ; IDENT "by" ; t2=[ t=tactic_term -> `Term t | SYMBOL "_" ; params = auto_params' -> `Auto params ] ;
cont=rewriting_step_continuation ->
GrafiteAst.RewritingStep(loc, None, t1, t2, cont)
]
];
rewriting_step_continuation : [
- [ IDENT "done" -> None
- | IDENT "we" ; IDENT "proved" ; id=IDENT -> Some (Cic.Name id)
- | -> Some Cic.Anonymous
+ [ IDENT "done" -> true
+ | -> false
]
];
atomic_tactical:
(GrafiteAst.Then (loc, tac, tacs))
]
| "loops" RIGHTA
- [ IDENT "do"; count = int; tac = SELF; IDENT "end" ->
+ [ IDENT "do"; count = int; tac = SELF ->
GrafiteAst.Do (loc, count, tac)
- | IDENT "repeat"; tac = SELF; IDENT "end" -> GrafiteAst.Repeat (loc, tac)
+ | IDENT "repeat"; tac = SELF -> GrafiteAst.Repeat (loc, tac)
]
| "simple" NONA
[ IDENT "first";
GrafiteAst.Solve (loc, tacs)
| IDENT "progress"; tac = SELF -> GrafiteAst.Progress (loc, tac)
| LPAREN; tac = SELF; RPAREN -> tac
- | tac = tactic -> GrafiteAst.Tactic (loc, tac)
+ | tac = tactic -> tac
]
];
punctuation_tactical:
| SYMBOL "." -> GrafiteAst.Dot loc
]
];
- tactical:
+ non_punctuation_tactical:
[ "simple" NONA
[ IDENT "focus"; goals = LIST1 int -> GrafiteAst.Focus (loc, goals)
| IDENT "unfocus" -> GrafiteAst.Unfocus loc
| IDENT "skip" -> GrafiteAst.Skip loc
- | tac = atomic_tactical LEVEL "loops" -> tac
]
];
theorem_flavour: [
macro: [
[ [ IDENT "check" ]; t = term ->
GrafiteAst.Check (loc, t)
- | [ IDENT "inline"]; suri = QSTRING; prefix = OPT QSTRING ->
- let prefix = match prefix with None -> "" | Some prefix -> prefix in
- GrafiteAst.Inline (loc,suri,prefix)
+ | [ IDENT "inline"];
+ style = OPT [ IDENT "procedural"; depth = OPT int -> depth ];
+ suri = QSTRING; prefix = OPT QSTRING ->
+ let style = match style with
+ | None -> GrafiteAst.Declarative
+ | Some depth -> GrafiteAst.Procedural depth
+ in
+ let prefix = match prefix with None -> "" | Some prefix -> prefix in
+ GrafiteAst.Inline (loc,style,suri,prefix)
| [ IDENT "hint" ] -> GrafiteAst.Hint loc
| [ IDENT "whelp"; "match" ] ; t = term ->
GrafiteAst.WMatch (loc,t)
GrafiteAst.Obj (loc, Ast.Theorem (`Axiom, name, typ, None))
| "let"; ind_kind = [ "corec" -> `CoInductive | "rec"-> `Inductive ];
defs = CicNotationParser.let_defs ->
+ (* In case of mutual definitions here we produce just
+ the syntax tree for the first one. The others will be
+ generated from the completely specified term just before
+ insertion in the environment. We use the flavour
+ `MutualDefinition to rememer this. *)
let name,ty =
match defs with
| (params,(Ast.Ident (name, None), Some ty),_,_) :: _ ->
| _ -> assert false
in
let body = Ast.Ident (name,None) in
- GrafiteAst.Obj (loc, Ast.Theorem(`Definition, name, ty,
- Some (Ast.LetRec (ind_kind, defs, body))))
+ let flavour =
+ if List.length defs = 1 then
+ `Definition
+ else
+ `MutualDefinition
+ in
+ GrafiteAst.Obj (loc, Ast.Theorem(flavour, name, ty,
+ Some (Ast.LetRec (ind_kind, defs, body))))
| IDENT "inductive"; spec = inductive_spec ->
let (params, ind_types) = spec in
GrafiteAst.Obj (loc, Ast.Inductive (params, ind_types))
]];
executable: [
[ cmd = grafite_command; SYMBOL "." -> GrafiteAst.Command (loc, cmd)
- | tac = tactical; punct = punctuation_tactical ->
- GrafiteAst.Tactical (loc, tac, Some punct)
- | punct = punctuation_tactical -> GrafiteAst.Tactical (loc, punct, None)
+ | tac = atomic_tactical LEVEL "loops"; punct = punctuation_tactical ->
+ GrafiteAst.Tactic (loc, Some tac, punct)
+ | punct = punctuation_tactical -> GrafiteAst.Tactic (loc, None, punct)
+ | tac = non_punctuation_tactical; punct = punctuation_tactical ->
+ GrafiteAst.NonPunctuationTactical (loc, tac, punct)
| mac = macro; SYMBOL "." -> GrafiteAst.Macro (loc, mac)
]
];
(loc,GrafiteAst.Include (iloc,buri))))
| scom = lexicon_command ; SYMBOL "." ->
fun ~include_paths status ->
- let status = LexiconEngine.eval_command status scom in
+ let status = LexiconEngine.eval_command status scom in
status,LNone loc
| EOI -> raise End_of_file
]
projects / helm.git / blobdiff