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bf2b3e2468
proto_opts config option contains the compiler directive that defines which proto compiler to use, also contains a src_dirs entry that defines a list of locations for the .proto files to be processed. Add integration test that compiles .proto files from src and from proto directory specified in separate rebar config files
142 lines
5.3 KiB
Erlang
142 lines
5.3 KiB
Erlang
%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2014 Tomas Abrahamsson (tomas.abrahamsson@gmail.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(rebar_proto_gpb_compiler).
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-export([key/0,
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proto_compile/3,
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proto_clean/3]).
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%% for internal use only
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-export([proto_info/2]).
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-include("rebar.hrl").
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%% ===================================================================
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%% Public API
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%% ===================================================================
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key() ->
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gpb.
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proto_compile(Config, _AppFile, Files) ->
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%% Check for gpb library -- if it's not present, fail
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%% since we have.proto files that need building
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case gpb_is_present() of
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true ->
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GpbOpts = user_gpb_opts(Config),
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Targets = [filename:join("src", target_filename(F, GpbOpts))
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|| F <- Files],
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rebar_base_compiler:run(Config, [],
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lists:zip(Files, Targets),
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fun compile_gpb/3,
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[{check_last_mod, true}]);
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false ->
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?ERROR("The gpb library is not present in code path!\n", []),
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?FAIL
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end.
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target_filename(ProtoFileName, GpbOpts) ->
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ModulePrefix = proplists:get_value(module_name_prefix, GpbOpts, ""),
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ModuleSuffix = proplists:get_value(module_name_suffix, GpbOpts, ""),
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Base = filename:basename(ProtoFileName, ".proto"),
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ModulePrefix ++ Base ++ ModuleSuffix ++ ".erl".
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proto_clean(Config, _AppFile, ProtoFiles) ->
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GpbOpts = user_gpb_opts(Config) ++ default_dest_opts(),
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rebar_file_utils:delete_each(
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[beam_file(F, GpbOpts) || F <- ProtoFiles]
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++ [erl_file(F, GpbOpts) || F <- ProtoFiles]
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++ [hrl_file(F, GpbOpts) || F <- ProtoFiles]),
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ok.
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%% ===================================================================
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%% Internal functions
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%% ===================================================================
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proto_info(help, compile) ->
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?CONSOLE(
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" gpb_opts is passed as options to gpb_compile:file/2.~n"
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" erl_opts is used when compiling the generated erlang files,~n"
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" so you might want to add an include path to gpb here,~n"
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" for gpb.hrl, or else use the include_as_lib gpb_opts option,~n"
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" or the defs_as_proplists gpb_opts option.~n",
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[]);
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proto_info(help, clean) ->
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?CONSOLE("", []).
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gpb_is_present() ->
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code:which(gpb) =/= non_existing.
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user_gpb_opts(Config) ->
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rebar_config:get_local(Config, gpb_opts, []).
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default_dest_opts() ->
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[{o_erl, "src"}, {o_hrl, "include"}].
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compile_gpb(Source, _Target, Config) ->
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SourceFullPath = filename:absname(Source),
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GpbOpts = user_gpb_opts(Config) ++ default_dest_opts()
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++ default_include_opts(SourceFullPath),
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ok = filelib:ensure_dir(filename:join("ebin", "dummy")),
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ok = filelib:ensure_dir(filename:join("include", "dummy")),
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case gpb_compile:file(SourceFullPath, GpbOpts) of
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ok ->
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ok;
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{error, Reason} ->
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ReasonStr = gpb_compile:format_error(Reason),
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?ERROR("Failed to compile ~s: ~s~n", [SourceFullPath, ReasonStr]),
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?FAIL
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end.
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default_include_opts(SourceFullPath) ->
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[{i,filename:dirname(SourceFullPath)}].
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beam_file(ProtoFile, GpbOpts) ->
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proto_filename_to_path("ebin", ProtoFile, ".beam", GpbOpts).
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erl_file(ProtoFile, GpbOpts) ->
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ErlOutDir = get_erl_outdir(GpbOpts),
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proto_filename_to_path(ErlOutDir, ProtoFile, ".erl", GpbOpts).
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hrl_file(ProtoFile, GpbOpts) ->
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HrlOutDir = get_hrl_outdir(GpbOpts),
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proto_filename_to_path(HrlOutDir, ProtoFile, ".hrl", GpbOpts).
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proto_filename_to_path(Dir, ProtoFile, NewExt, GpbOpts) ->
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BaseNoExt = filename:basename(ProtoFile, ".proto"),
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Prefix = proplists:get_value(module_name_prefix, GpbOpts, ""),
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Suffix = proplists:get_value(module_name_suffix, GpbOpts, ""),
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filename:join([Dir, Prefix ++ BaseNoExt ++ Suffix ++ NewExt]).
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get_erl_outdir(Opts) ->
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proplists:get_value(o_erl, Opts, get_outdir(Opts)).
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get_hrl_outdir(Opts) ->
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proplists:get_value(o_hrl, Opts, get_outdir(Opts)).
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get_outdir(Opts) ->
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proplists:get_value(o, Opts, ".").
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