diff options
Diffstat (limited to 'lib/stdlib/src/beam_lib.erl')
| -rw-r--r-- | lib/stdlib/src/beam_lib.erl | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl index 06c15fceda..3386cfcbe6 100644 --- a/lib/stdlib/src/beam_lib.erl +++ b/lib/stdlib/src/beam_lib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2017. All Rights Reserved. +%% Copyright Ericsson AB 2000-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -53,7 +53,7 @@ %%------------------------------------------------------------------------- --type beam() :: module() | file:filename() | binary(). +-type beam() :: file:filename() | binary(). -type debug_info() :: {DbgiVersion :: atom(), Backend :: module(), Data :: term()} | 'no_debug_info'. -type forms() :: [erl_parse:abstract_form() | erl_parse:form_info()]. @@ -148,7 +148,8 @@ chunks(File, Chunks, Options) -> try read_chunk_data(File, Chunks, Options) catch Error -> Error end. --spec all_chunks(beam()) -> {'ok', 'beam_lib', [{chunkid(), dataB()}]}. +-spec all_chunks(beam()) -> + {'ok', 'beam_lib', [{chunkid(), dataB()}]} | {'error', 'beam_lib', info_rsn()}. all_chunks(File) -> read_all_chunks(File). @@ -689,30 +690,31 @@ chunk_to_data(debug_info=Id, Chunk, File, _Cs, AtomTable, Mod) -> <<0:8,N:8,Mode0:N/binary,Rest/binary>> -> Mode = binary_to_atom(Mode0, utf8), Term = decrypt_chunk(Mode, Mod, File, Id, Rest), - {AtomTable, {Id, Term}}; + {AtomTable, {Id, anno_from_term(Term)}}; _ -> case catch binary_to_term(Chunk) of {'EXIT', _} -> error({invalid_chunk, File, chunk_name_to_id(Id, File)}); Term -> - {AtomTable, {Id, Term}} + {AtomTable, {Id, anno_from_term(Term)}} end end; chunk_to_data(abstract_code=Id, Chunk, File, _Cs, AtomTable, Mod) -> + %% Before Erlang/OTP 20.0. case Chunk of <<>> -> {AtomTable, {Id, no_abstract_code}}; <<0:8,N:8,Mode0:N/binary,Rest/binary>> -> Mode = binary_to_atom(Mode0, utf8), Term = decrypt_chunk(Mode, Mod, File, Id, Rest), - {AtomTable, {Id, anno_from_term(Term)}}; + {AtomTable, {Id, old_anno_from_term(Term)}}; _ -> case catch binary_to_term(Chunk) of {'EXIT', _} -> error({invalid_chunk, File, chunk_name_to_id(Id, File)}); Term -> try - {AtomTable, {Id, anno_from_term(Term)}} + {AtomTable, {Id, old_anno_from_term(Term)}} catch _:_ -> error({invalid_chunk, File, @@ -946,14 +948,24 @@ decrypt_chunk(Type, Module, File, Id, Bin) -> error({key_missing_or_invalid, File, Id}) end. -anno_from_term({raw_abstract_v1, Forms}) -> +old_anno_from_term({raw_abstract_v1, Forms}) -> {raw_abstract_v1, anno_from_forms(Forms)}; -anno_from_term({Tag, Forms}) when Tag =:= abstract_v1; Tag =:= abstract_v2 -> +old_anno_from_term({Tag, Forms}) when Tag =:= abstract_v1; + Tag =:= abstract_v2 -> try {Tag, anno_from_forms(Forms)} catch _:_ -> {Tag, Forms} end; +old_anno_from_term(T) -> + T. + +anno_from_term({debug_info_v1=Tag1, erl_abstract_code=Tag2, {Forms, Opts}}) -> + try {Tag1, Tag2, {anno_from_forms(Forms), Opts}} + catch + _:_ -> + {Tag1, Tag2, {Forms, Opts}} + end; anno_from_term(T) -> T. |