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handle '\r` in CCSexpM (fixes #83)

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Simon Cruanes 2016-11-03 09:48:50 +01:00
parent 89c63a5357
commit 269d4a7ba9
1 changed files with 8 additions and 6 deletions
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14
src/sexp/CCSexpM.ml
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@ -41,7 +41,7 @@ let _must_escape s =
for i = 0 to String.length s - 1 do
let c = String.unsafe_get s i in
match c with
| ' ' | ';' | ')' | '(' | '"' | '\\' | '\n' | '\t' -> raise Exit
| ' ' | ';' | ')' | '(' | '"' | '\\' | '\n' | '\t' | '\r' -> raise Exit
| _ when Char.code c > 127 -> raise Exit (* non-ascii *)
| _ -> ()
done;
@ -176,11 +176,11 @@ module MakeDecode(M : MONAD) = struct
let rec expr k t =
if t.i = t.len then _refill t (expr k) _error_eof
else match _get t with
| ' ' | '\t' | '\n' -> expr k t
| ' ' | '\t' | '\r' | '\n' -> expr k t
| c -> expr_starting_with c k t
and expr_starting_with c k t = match c with
| ' ' | '\t' | '\n' -> assert false
| ' ' | '\t' | '\r' | '\n' -> assert false
| ';' -> skip_comment (fun _ () -> expr k t) t
| '(' -> expr_list [] k t
| ')' -> _error t "unexpected ')'"
@ -194,7 +194,7 @@ module MakeDecode(M : MONAD) = struct
and expr_list acc k t =
if t.i = t.len then _refill t (expr_list acc k) _error_eof
else match _get t with
| ' ' | '\t' | '\n' -> expr_list acc k t
| ' ' | '\t' | '\r' | '\n' -> expr_list acc k t
| ')' -> k None (`List (List.rev acc))
| c ->
expr_starting_with c
@ -216,7 +216,7 @@ module MakeDecode(M : MONAD) = struct
else match _get t with
| '\\' -> _error t "unexpected '\\' in non-quoted string"
| '"' -> _error t "unexpected '\"' in the middle of an atom"
| (' ' | '\n' | '\t' | '(' | ')') as c ->
| (' ' | '\r' | '\n' | '\t' | '(' | ')') as c ->
_return_atom (Some c) k t
| c ->
Buffer.add_char t.atom c;
@ -277,7 +277,7 @@ module MakeDecode(M : MONAD) = struct
if t.i = t.len
then _refill t (expr_or_end k) (fun _ -> M.return `End)
else match _get t with
| ' ' | '\t' | '\n' -> expr_or_end k t
| ' ' | '\t' | '\r' | '\n' -> expr_or_end k t
| c -> expr_starting_with c k t
(* entry point *)
@ -308,6 +308,8 @@ let parse_string s : t or_error =
(*$T
CCError.to_opt (parse_string "(abc d/e/f \"hello \\\" () world\" )") <> None
CCError.to_opt (parse_string "(abc ( d e ffff ) \"hello/world\")") <> None
(parse_string "(abc\r\n ( d e \r\tffff ))") \
= `Ok (`List [`Atom "abc"; `List [`Atom "d"; `Atom "e"; `Atom "ffff"]])
*)
(*$inject