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@@ -79,9 +79,9 @@ and vfunction =
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| FunVar of (value list -> value)
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| FunVar of (value list -> value)
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and regexp = {
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and regexp = {
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- r : Str.regexp;
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+ r : Pcre.regexp;
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mutable r_string : string;
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mutable r_string : string;
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- mutable r_groups : (int * int) option array;
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+ mutable r_groups : int array;
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}
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}
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and zlib = {
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and zlib = {
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@@ -1930,122 +1930,69 @@ let reg_lib =
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let error() =
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let error() =
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raise Builtin_error
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raise Builtin_error
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in
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in
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- (* try to load regexp first : we might fail if pcre is not installed *)
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- let neko = (match neko with
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- | None -> None
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- | Some neko ->
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- (try ignore(neko.load "regexp@regexp_new_options" 2); Some neko with _ -> None)
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- ) in
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- match neko with
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- | None ->
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+ let open Pcre in
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+ let string_of_pcre_error = function
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+ | BadPattern(s,i) -> Printf.sprintf "at %i: %s" i s
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+ | Partial -> "Partial"
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+ | BadPartial -> "BadPartial"
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+ | BadUTF8 -> "BadUTF8"
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+ | BadUTF8Offset -> "BadUTF8Offset"
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+ | MatchLimit -> "MatchLimit"
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+ | RecursionLimit -> "RecursionLimit"
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+ | InternalError s -> "InternalError: " ^ s
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+ in
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make_library [
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make_library [
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- (* regexp_new : deprecated *)
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"regexp_new_options", Fun2 (fun str opt ->
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"regexp_new_options", Fun2 (fun str opt ->
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- match str, opt with
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- | VString str, VString opt ->
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- let case_sensitive = ref true in
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- List.iter (function
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- | 'm' -> () (* always ON ? *)
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- | 'i' -> case_sensitive := false
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+ match str,opt with
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+ | VString str,VString opt ->
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+ let flags = List.map (function
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+ | 'i' -> `CASELESS
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+ | 's' -> `DOTALL
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+ | 'm' -> `MULTILINE
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+ | 'u' -> `UTF8
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+ | 'g' -> `UNGREEDY
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| c -> failwith ("Unsupported regexp option '" ^ String.make 1 c ^ "'")
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| c -> failwith ("Unsupported regexp option '" ^ String.make 1 c ^ "'")
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- ) (ExtString.String.explode opt);
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- let buf = Buffer.create 0 in
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- let rec loop prev esc = function
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- | [] -> ()
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- | c :: l when esc ->
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- (match c with
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- | 'n' -> Buffer.add_char buf '\n'
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- | 'r' -> Buffer.add_char buf '\r'
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- | 't' -> Buffer.add_char buf '\t'
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- | 'd' -> Buffer.add_string buf "[0-9]"
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- | '\\' -> Buffer.add_string buf "\\\\"
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- | '(' | ')' -> Buffer.add_char buf c
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- | '1'..'9' | '+' | '$' | '^' | '*' | '?' | '.' | '[' | ']' ->
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- Buffer.add_char buf '\\';
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- Buffer.add_char buf c;
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- | _ ->
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- Buffer.add_char buf c);
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- loop c false l
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- | c :: l ->
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- match c with
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- | '\\' -> loop prev true l
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- | '(' | '|' | ')' ->
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- Buffer.add_char buf '\\';
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- Buffer.add_char buf c;
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- loop c false l
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- | '?' when prev = '(' && (match l with ':' :: _ -> true | _ -> false) ->
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- failwith "Non capturing groups '(?:' are not supported in macros"
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- | '?' when prev = '*' ->
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- failwith "Ungreedy *? are not supported in macros"
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- | _ ->
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- Buffer.add_char buf c;
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- loop c false l
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- in
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- loop '\000' false (ExtString.String.explode str);
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- let str = Buffer.contents buf in
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- let r = {
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- r = if !case_sensitive then Str.regexp str else Str.regexp_case_fold str;
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+ ) (ExtString.String.explode opt) in
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+ let r = try regexp ~flags str with Error error -> failwith (string_of_pcre_error error) in
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+ let pcre = {
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+ r = r;
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r_string = "";
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r_string = "";
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- r_groups = [||];
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+ r_groups = [||]
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} in
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} in
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- VAbstract (AReg r)
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- | _ -> error()
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- );
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- "regexp_match", Fun4 (fun r str pos len ->
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- match r, str, pos, len with
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- | VAbstract (AReg r), VString str, VInt pos, VInt len ->
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- let nstr, npos, delta = (if len = String.length str - pos then str, pos, 0 else String.sub str pos len, 0, pos) in
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- (try
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- ignore(Str.search_forward r.r nstr npos);
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- let rec loop n =
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- if n = 9 then
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- []
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- else try
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- (Some (Str.group_beginning n + delta, Str.group_end n + delta)) :: loop (n + 1)
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- with Not_found ->
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- None :: loop (n + 1)
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- | Invalid_argument _ ->
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- []
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- in
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- r.r_string <- str;
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- r.r_groups <- Array.of_list (loop 0);
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- VBool true;
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+ VAbstract (AReg pcre)
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+ | _ -> error()
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+ );
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+ "regexp_match", Fun4 (fun rex str pos len -> match rex, str, pos, len with
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+ | VAbstract (AReg rex),VString str,VInt pos,VInt len ->
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+ begin try
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+ (* A bit awkward, but the PCRE bindings don't seem to expose the len argument... *)
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+ if pos + len > String.length str then raise Not_found;
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+ let str = String.sub str 0 (pos + len) in
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+ let a = pcre_exec ~rex:rex.r ~pos str in
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+ rex.r_string <- str;
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+ rex.r_groups <- a;
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+ VBool true
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with Not_found ->
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with Not_found ->
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- VBool false)
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+ VBool false
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+ end
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| _ -> error()
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| _ -> error()
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);
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);
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- "regexp_matched", Fun2 (fun r n ->
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- match r, n with
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- | VAbstract (AReg r), VInt n ->
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- (match (try r.r_groups.(n) with _ -> failwith ("Invalid group " ^ string_of_int n)) with
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- | None -> VNull
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- | Some (pos,pend) -> VString (String.sub r.r_string pos (pend - pos)))
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+ "regexp_matched", Fun2 (fun r n -> match r, n with
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+ | VAbstract (AReg r),VInt n ->
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+ let pos = r.r_groups.(n * 2) in
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+ let len = r.r_groups.(n * 2 + 1) - pos in
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+ if pos = -1 then VNull
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+ else VString (String.sub r.r_string pos len)
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| _ -> error()
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| _ -> error()
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);
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);
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- "regexp_matched_pos", Fun2 (fun r n ->
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- match r, n with
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- | VAbstract (AReg r), VInt n ->
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- (match (try r.r_groups.(n) with _ -> failwith ("Invalid group " ^ string_of_int n)) with
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- | None -> VNull
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- | Some (pos,pend) -> VObject (obj (hash_field (get_ctx())) ["pos",VInt pos;"len",VInt (pend - pos)]))
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+ "regexp_matched_pos", Fun2 (fun r n -> match r, n with
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+ | VAbstract (AReg r),VInt n ->
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+ let pos = r.r_groups.(n * 2) in
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+ let len = r.r_groups.(n * 2 + 1) - pos in
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+ VObject (obj (hash_field (get_ctx())) ["pos",VInt pos;"len",VInt len])
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| _ -> error()
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| _ -> error()
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);
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);
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- (* regexp_replace : not used by Haxe *)
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- (* regexp_replace_all : not used by Haxe *)
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- (* regexp_replace_fun : not used by Haxe *)
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]
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]
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- | Some neko ->
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- let regexp_new_options = neko.load "regexp@regexp_new_options" 2 in
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- let regexp_match = neko.load "regexp@regexp_match" 4 in
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- let regexp_matched = neko.load "regexp@regexp_matched" 2 in
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- let regexp_matched_pos = neko.load "regexp@regexp_matched_pos" 2 in
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- make_library [
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- "regexp_new_options", Fun2 (fun str opt -> neko.call regexp_new_options [str;opt]);
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- "regexp_match", Fun4 (fun r str pos len -> neko.call regexp_match [r;str;pos;len]);
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- "regexp_matched", Fun2 (fun r n -> neko.call regexp_matched [r;n]);
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- "regexp_matched_pos", Fun2 (fun r n -> neko.call regexp_matched_pos [r;n]);
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- ]
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-
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(* ---------------------------------------------------------------------- *)
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(* ---------------------------------------------------------------------- *)
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(* ZLIB LIBRARY *)
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(* ZLIB LIBRARY *)
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Simon Krajewski