diff options
Diffstat (limited to 'lib/diameter/src/compiler/diameter_codegen.erl')
| -rw-r--r-- | lib/diameter/src/compiler/diameter_codegen.erl | 62 |
1 files changed, 45 insertions, 17 deletions
diff --git a/lib/diameter/src/compiler/diameter_codegen.erl b/lib/diameter/src/compiler/diameter_codegen.erl index 22422f2ef2..cdaa9aa7f9 100644 --- a/lib/diameter/src/compiler/diameter_codegen.erl +++ b/lib/diameter/src/compiler/diameter_codegen.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -31,7 +32,8 @@ %% on the beam file of another dictionary. %% --export([from_dict/4]). +-export([from_dict/4, + is_printable_ascii/1]). %% used by ?TERM/1 in diameter_forms.hrl -include("diameter_forms.hrl"). -include("diameter_vsn.hrl"). @@ -121,6 +123,9 @@ eraser(Key) -> %% =========================================================================== %% =========================================================================== +is_printable_ascii(C) -> + 16#20 =< C andalso C =< 16#7F. + get_value(Key, Plist) -> proplists:get_value(Key, Plist, []). @@ -128,7 +133,7 @@ gen(parse, ParseD, _Mod) -> [?VERSION | ParseD]; gen(forms, ParseD, Mod) -> - pp(erl_forms(Mod, ParseD)); + preprocess(Mod, erl_forms(Mod, ParseD)); gen(hrl, ParseD, Mod) -> gen_hrl(Mod, ParseD); @@ -179,7 +184,7 @@ erl_forms(Mod, ParseD) -> f_enumerated_avp(ParseD), f_empty_value(ParseD), f_dict(ParseD), - {eof, ?LINE}]], + {eof, erl_anno:new(?LINE)}]], lists:append(Forms). @@ -834,19 +839,19 @@ rec_name(Name, Prefix) -> Prefix ++ Name. %% =========================================================================== -%% pp/1 +%% preprocess/2 %% %% Preprocess forms as generated by 'forms' option. In particular, %% replace the include_lib attributes in generated forms by the %% corresponding forms, extracting the latter from an existing %% dictionary (diameter_gen_relay). The resulting forms can be %% compiled to beam using compile:forms/2 (which does no preprocessing -%% or it's own; DiY currently appears to be the only way to preprocess +%% of it's own; DiY currently appears to be the only way to preprocess %% a forms list). -pp(Forms) -> +preprocess(Mod, Forms) -> {_, Beam, _} = code:get_object_code(diameter_gen_relay), - pp(Forms, abstract_code(Beam)). + pp(Forms, remod(Mod, abstract_code(Beam))). pp(Forms, {ok, Code}) -> Files = files(Code, []), @@ -855,6 +860,25 @@ pp(Forms, {ok, Code}) -> pp(Forms, {error, Reason}) -> erlang:error({forms, Reason, Forms}). +%% Replace literal diameter_gen_relay atoms in the extracted forms. +%% ?MODULE for example. + +remod(Mod, L) + when is_list(L) -> + [remod(Mod, T) || T <- L]; + +remod(Mod, {atom, _, diameter_gen_relay} = T) -> + setelement(3, T, Mod); + +remod(Mod, T) + when is_tuple(T) -> + list_to_tuple(remod(Mod, tuple_to_list(T))); + +remod(_, T) -> + T. + +%% Replace include_lib by the corresponding forms. + include({attribute, _, include_lib, Path}, Files) -> Inc = filename:basename(Path), [{Inc, Forms}] = [T || {F, _} = T <- Files, F == Inc], %% expect one @@ -863,6 +887,8 @@ include({attribute, _, include_lib, Path}, Files) -> include(T, _) -> [T]. +%% Extract abstract code. + abstract_code(Beam) -> case beam_lib:chunks(Beam, [abstract_code]) of {ok, {_Mod, [{abstract_code, {_Vsn, Code}}]}} -> @@ -873,6 +899,8 @@ abstract_code(Beam) -> {E, Reason} end. +%% Extract filename/forms pairs for included forms. + files([{attribute, _, file, {Path, _}} | T], Acc) -> {Body, Rest} = lists:splitwith(fun({attribute, _, file, _}) -> false; (_) -> true |