| SYMBOL "<" -> `RightToLeft ]
];
int: [ [ num = NUMBER -> int_of_string num ] ];
+ intros_names: [
+ [ idents = OPT ident_list0 ->
+ match idents with None -> [] | Some idents -> idents
+ ]
+ ];
intros_spec: [
[ OPT [ IDENT "names" ];
num = OPT [ num = int -> num ];
- idents = OPT ident_list0 ->
- let idents = match idents with None -> [] | Some idents -> idents in
+ 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 ->
| 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 ->