diff options
Diffstat (limited to 'lib/debugger/src/int.erl')
| -rw-r--r-- | lib/debugger/src/int.erl | 72 |
1 files changed, 42 insertions, 30 deletions
diff --git a/lib/debugger/src/int.erl b/lib/debugger/src/int.erl index 1c9f2eddd1..bdd671cff1 100644 --- a/lib/debugger/src/int.erl +++ b/lib/debugger/src/int.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2011. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -517,7 +517,7 @@ int_mod(AbsMod, Dist) when is_atom(AbsMod); is_list(AbsMod) -> [App, AbsMod]), error; _Error -> - io:format("** Invalid beam file or no abstract code: ~p\n", + io:format("** Invalid beam file or no abstract code: ~tp\n", [AbsMod]), error end. @@ -674,38 +674,50 @@ everywhere(local, Fun) -> Fun(). scan_module_name(File) -> - case erl_prim_loader:get_file(filename:absname(File)) of - {ok, Bin, _FullPath} -> - Chars = binary_to_list(Bin), - R = (catch {ok, scan_module_name_1(Chars)}), - case R of - {ok, A} when is_atom(A) -> A; - _ -> error - end; - _ -> - error + try + {ok, Bin, _FullPath} = + erl_prim_loader:get_file(filename:absname(File)), + scan_module_name_1([], <<>>, Bin, enc(Bin)) + catch + _:_ -> + throw({error, no_beam}) end. -scan_module_name_1(Chars) -> - case erl_scan:tokens("", Chars, 1) of - {done, {ok, Ts, _}, Rest} -> - scan_module_name_2(Ts, Rest); - _ -> - error +scan_module_name_1(Cont0, B0, Bin0, Enc) -> + N = min(100, byte_size(Bin0)), + {Bin1, Bin} = erlang:split_binary(Bin0, N), + {Chars, B1} = + case unicode:characters_to_list(list_to_binary([B0, Bin1]), Enc) of + {incomplete, List, Binary} -> + {List, Binary}; + List when is_list(List), List =/= [] -> + {List, <<>>} + end, + scan_module_name_2(Cont0, Chars, B1, Bin, Enc). + +scan_module_name_2(Cont0, Chars, B1, Bin, Enc) -> + case erl_scan:tokens(Cont0, Chars, _AnyLine = 1) of + {done, {ok, Ts, _}, Rest} -> + scan_module_name_3(Ts, Rest, B1, Bin, Enc); + {more, Cont} -> + scan_module_name_1(Cont, B1, Bin, Enc) end. -scan_module_name_2([{'-',_},{atom,_,module},{'(',_} | _]=Ts, _Chars) -> - scan_module_name_3(Ts); -scan_module_name_2([{'-',_},{atom,_,_} | _], Chars) -> - scan_module_name_1(Chars); -scan_module_name_2(_, _) -> - error. - -scan_module_name_3(Ts) -> - case erl_parse:parse_form(Ts) of - {ok, {attribute,_,module,{M,_}}} -> M; - {ok, {attribute,_,module,M}} -> M; - _ -> error +scan_module_name_3([{'-',_},{atom,_,module},{'(',_} | _]=Ts, + _Chars, _B1, _Bin, _Enc) -> + scan_module_name_4(Ts); +scan_module_name_3([{'-',_},{atom,_,_} | _], Chars, B1, Bin, Enc) -> + scan_module_name_2("", Chars, B1, Bin, Enc). + +scan_module_name_4(Ts) -> + {ok, {attribute,_,module,M}} = erl_parse:parse_form(Ts), + true = is_atom(M), + M. + +enc(Bin) -> + case epp:read_encoding_from_binary(Bin) of + none -> epp:default_encoding(); + Encoding -> Encoding end. %%--Stop interpreting modules----------------------------------------- |