diff options
Diffstat (limited to 'perl_checker.src/parser_helper.ml')
| -rw-r--r-- | perl_checker.src/parser_helper.ml | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/perl_checker.src/parser_helper.ml b/perl_checker.src/parser_helper.ml index 9230074..680b571 100644 --- a/perl_checker.src/parser_helper.ml +++ b/perl_checker.src/parser_helper.ml @@ -372,6 +372,14 @@ let rec only_one (l, (spaces, pos)) = | [] -> die_with_rawpos pos "you must give one argument" | _ -> die_with_rawpos pos "you must give only one argument" +let only_one_array_ref (l, (spaces, pos)) = + let e = only_one (l, (spaces, pos)) in + (match e with + | Call_op("last_array_index", [Deref(I_array, e)], _) -> + warn pos (sprintf "you can replace $#%s with -1" (string_of_Ident e)) + | _ -> ()); + e + let only_one_in_List ((_, e), both) = match e with | List l -> only_one(l, both) @@ -396,7 +404,7 @@ let to_List = function | [e] -> e | l -> List l -let deref_arraylen e = Call(Deref(I_func, Ident(None, "int", raw_pos2pos bpos)), [Deref(I_array, e)]) +let deref_arraylen e = Call_op("last_array_index", [Deref(I_array, e)], raw_pos2pos bpos) let to_Ident ((fq, name), (_, pos)) = Ident(fq, name, raw_pos2pos pos) let to_Raw_string (s, (_, pos)) = Raw_string(s, raw_pos2pos pos) let to_Method_call (object_, method_, para) = |