ident_list0: [
[ PAREN "["; idents = LIST0 IDENT SEP SYMBOL ";"; PAREN "]" -> idents ]
];
+ tactic_term_list1: [
+ [ tactic_terms = LIST1 tactic_term SEP SYMBOL "," -> tactic_terms ]
+ ];
reduction_kind: [
[ [ IDENT "reduce" ] -> `Reduce
| [ IDENT "simplify" ] -> `Simpl
| [ IDENT "whd" ] -> `Whd
| [ IDENT "normalize" ] -> `Normalize ]
];
+ sequent_pattern_spec : [
+ [ hyp_paths =
+ LIST0
+ [ id = IDENT ;
+ path = OPT [SYMBOL ":" ; path = term -> path ] ->
+ (id,match path with Some p -> p | None -> CicAst.UserInput) ]
+ SEP SYMBOL ";";
+ goal_path = OPT [ SYMBOL <:unicode<vdash>>; term = term -> term ] ->
+ let goal_path =
+ match goal_path with
+ None -> CicAst.UserInput
+ | Some goal_path -> goal_path
+ in
+ hyp_paths,goal_path
+ ]
+ ];
pattern_spec: [
- [ "in";
- hyp_paths =
- LIST0
- [ id = IDENT ;
- path = OPT [SYMBOL ":" ; path = term -> path ] ->
- (id,match path with Some p -> p | None -> CicAst.UserInput) ]
- SEP SYMBOL ";";
- goal_path = OPT [ SYMBOL <:unicode<vdash>>; term = term -> term ] ->
- (hyp_paths, goal_path) ]
+ [ res = OPT [
+ "in";
+ wanted_and_sps =
+ [ "match" ; wanted = term ;
+ sps = OPT [ "in"; sps = sequent_pattern_spec -> sps ] ->
+ Some wanted,sps
+ | sps = sequent_pattern_spec ->
+ None,Some sps
+ ] ->
+ let wanted,hyp_paths,goal_path =
+ match wanted_and_sps with
+ wanted,None -> wanted, [], CicAst.UserInput
+ | wanted,Some (hyp_paths,goal_path) -> wanted,hyp_paths,goal_path
+ in
+ wanted, hyp_paths, goal_path ] ->
+ match res with
+ None -> None,[],CicAst.UserInput
+ | Some ps -> ps]
];
direction: [
- [ IDENT "left" -> `Left
- | SYMBOL ">" -> `Left
- | IDENT "right" -> `Right
- | SYMBOL "<" -> `Right ]
+ [ SYMBOL ">" -> `LeftToRight
+ | SYMBOL "<" -> `RightToLeft ]
];
tactic: [
[ IDENT "absurd"; t = tactic_term ->
TacticAst.Assumption loc
| IDENT "auto";
depth = OPT [ IDENT "depth"; SYMBOL "="; i = NUM -> int_of_string i ];
- width = OPT [ IDENT "depth"; SYMBOL "="; i = NUM -> int_of_string i ] ->
+ width = OPT [ IDENT "width"; SYMBOL "="; i = NUM -> int_of_string i ] ->
TacticAst.Auto (loc,depth,width)
| IDENT "clear"; id = IDENT ->
TacticAst.Clear (loc,id)
| IDENT "clearbody"; id = IDENT ->
TacticAst.ClearBody (loc,id)
- | IDENT "change"; t1 = tactic_term; "with"; t2 = tactic_term; "in";
- where = pattern_spec ->
- TacticAst.Change (loc, t1, t2, where)
+ | IDENT "change"; what = pattern_spec; "with"; t = tactic_term ->
+ TacticAst.Change (loc, what, t)
| IDENT "compare"; t = tactic_term ->
TacticAst.Compare (loc,t)
| IDENT "constructor"; n = NUM ->
TacticAst.Cut (loc, ident, t)
| IDENT "decide"; IDENT "equality" ->
TacticAst.DecideEquality loc
- | IDENT "decompose"; where = term ->
+ | IDENT "decompose"; where = tactic_term ->
TacticAst.Decompose (loc, where)
| IDENT "discriminate"; t = tactic_term ->
TacticAst.Discriminate (loc, t)
| IDENT "exists" ->
TacticAst.Exists loc
| IDENT "fail" -> TacticAst.Fail loc
- | IDENT "fold"; kind = reduction_kind; t = tactic_term;
- p = OPT [ pattern_spec ] ->
- let p = match p with None -> [], None | Some p -> p in
- TacticAst.Fold (loc, kind, t, p)
+ | IDENT "fold"; kind = reduction_kind; t = tactic_term; p = pattern_spec ->
+ let (pt,_,_) = p in
+ if pt <> None then
+ raise
+ (Parse_error
+ (loc,"the pattern cannot specify the term to replace, only its paths in the hypotheses and in the conclusion"))
+ else
+ TacticAst.Fold (loc, kind, t, p)
| IDENT "fourier" ->
TacticAst.Fourier loc
- | IDENT "fwd"; t = term ->
- TacticAst.FwdSimpl (loc, t)
- | IDENT "generalize"; t = tactic_term;
- id = OPT [ "as" ; id = IDENT -> id ];
- p = OPT [ pattern_spec ] ->
- let p = match p with None -> [], None | Some p -> p in
- TacticAst.Generalize (loc,t,id,p)
+ | IDENT "fwd"; hyp = IDENT; idents = OPT ident_list0 ->
+ let idents = match idents with None -> [] | Some idents -> idents in
+ TacticAst.FwdSimpl (loc, hyp, idents)
+ | IDENT "generalize"; p=pattern_spec; id = OPT ["as" ; id = IDENT -> id] ->
+ TacticAst.Generalize (loc,p,id)
| IDENT "goal"; n = NUM ->
TacticAst.Goal (loc, int_of_string n)
| IDENT "id" -> TacticAst.IdTac loc
- | IDENT "injection"; t = term ->
+ | IDENT "injection"; t = tactic_term ->
TacticAst.Injection (loc, t)
- | IDENT "intros"; num = OPT [num = int -> num]; idents = OPT ident_list0 ->
- let idents = match idents with None -> [] | Some idents -> idents in
- TacticAst.Intros (loc, num, idents)
| IDENT "intro"; ident = OPT IDENT ->
let idents = match ident with None -> [] | Some id -> [id] in
TacticAst.Intros (loc, Some 1, idents)
- | IDENT "lapply"; what = tactic_term;
- to_what = OPT [ "to" ; t = tactic_term -> t ];
- ident = OPT [ "using" ; id = IDENT -> id ] ->
- TacticAst.LApply (loc, to_what, what, ident)
+ | IDENT "intros"; num = OPT [num = int -> num]; idents = OPT ident_list0 ->
+ let idents = match idents with None -> [] | Some idents -> idents in
+ TacticAst.Intros (loc, num, idents)
+ | IDENT "lapply";
+ depth = OPT [ IDENT "depth"; SYMBOL "="; i = NUM -> int_of_string i ];
+ what = tactic_term;
+ to_what = OPT [ "to" ; t = tactic_term_list1 -> t ];
+ ident = OPT [ "using" ; ident = IDENT -> ident ] ->
+ let to_what = match to_what with None -> [] | Some to_what -> to_what in
+ TacticAst.LApply (loc, depth, to_what, what, ident)
| IDENT "left" -> TacticAst.Left loc
| IDENT "letin"; where = IDENT ; SYMBOL <:unicode<def>> ; t = tactic_term ->
TacticAst.LetIn (loc, t, where)
- | kind = reduction_kind; p = OPT [ pattern_spec ] ->
- let p = match p with None -> [], None | Some p -> p in
+ | kind = reduction_kind; p = pattern_spec ->
TacticAst.Reduce (loc, kind, p)
| IDENT "reflexivity" ->
TacticAst.Reflexivity loc
- | IDENT "replace"; p = OPT [ pattern_spec ]; "with"; t = tactic_term ->
- let p = match p with None -> [], None | Some p -> p in
+ | IDENT "replace"; p = pattern_spec; "with"; t = tactic_term ->
TacticAst.Replace (loc, p, t)
- | IDENT "rewrite" ; d = direction; t = term ; p = OPT [ pattern_spec ] ->
- let p = match p with None -> [], None | Some p -> p in
- TacticAst.Rewrite (loc, d, t, p)
+ | IDENT "rewrite" ; d = direction; t = tactic_term ; p = pattern_spec ->
+ let (pt,_,_) = p in
+ if pt <> None then
+ raise
+ (Parse_error
+ (loc,"the pattern cannot specify the term to rewrite, only its paths in the hypotheses and in the conclusion"))
+ else
+ TacticAst.Rewrite (loc, d, t, p)
| IDENT "right" ->
TacticAst.Right loc
| IDENT "ring" ->
]
| "then" NONA
[ tac = tactical;
- PAREN "["; tacs = LIST0 tactical SEP SYMBOL ";"; PAREN "]" ->
+ PAREN "["; tacs = LIST0 tactical SEP SYMBOL "|"; PAREN "]" ->
(TacticAst.Then (loc, tac, tacs))
]
| "loops" RIGHTA