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-rw-r--r--src/rebar.app.src1
-rw-r--r--src/rebar3.erl3
-rw-r--r--src/rebar_prv_dialyzer.erl105
3 files changed, 108 insertions, 1 deletions
diff --git a/src/rebar.app.src b/src/rebar.app.src
index dc3e689..0341f79 100644
--- a/src/rebar.app.src
+++ b/src/rebar.app.src
@@ -24,6 +24,7 @@
%% any_dir processing modules
{providers, [rebar_prv_clean,
rebar_prv_deps,
+ rebar_prv_dialyzer,
rebar_prv_do,
rebar_prv_eunit,
rebar_prv_lock,
diff --git a/src/rebar3.erl b/src/rebar3.erl
index 297233a..e8bb8d5 100644
--- a/src/rebar3.erl
+++ b/src/rebar3.erl
@@ -56,7 +56,8 @@ main(Args) ->
?ERROR("Uncaught error in rebar_core. Run with DEBUG=1 to see stacktrace", []),
?DEBUG("Uncaught error: ~p ~p", [Module, Reason]);
_ ->
- ?ERROR(Module:format_error(Reason, []), [])
+ {Error, _} = Module:format_error(Reason, []),
+ ?ERROR(Error, [])
end,
rebar_utils:delayed_halt(1);
{error, Error} when is_list(Error) ->
diff --git a/src/rebar_prv_dialyzer.erl b/src/rebar_prv_dialyzer.erl
new file mode 100644
index 0000000..a43999b
--- /dev/null
+++ b/src/rebar_prv_dialyzer.erl
@@ -0,0 +1,105 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+
+-module(rebar_prv_dialyzer).
+
+-behaviour(provider).
+
+-export([init/1,
+ do/1,
+ format_error/2]).
+
+-include("rebar.hrl").
+
+-define(PROVIDER, dialyzer).
+-define(DEPS, [compile]).
+
+%% ===================================================================
+%% Public API
+%% ===================================================================
+
+-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
+init(State) ->
+ State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER},
+ {module, ?MODULE},
+ {bare, false},
+ {deps, ?DEPS},
+ {example, "rebar dialyzer"},
+ {short_desc, "Run the Dialyzer analyzer on the project."},
+ {desc, ""},
+ {opts, []}])),
+ {ok, State1}.
+
+-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
+do(State) ->
+ ?INFO("Dialyzer starting, this may take a while...", []),
+ BuildDir = rebar_state:get(State, base_dir, ?DEFAULT_BASE_DIR),
+ {ProjectPlt, _DepPlt} = get_plt_location(BuildDir),
+ Apps = rebar_state:project_apps(State),
+ ?INFO("Doing plt for project apps...", []),
+
+ try
+ update_dep_plt(State, ProjectPlt, Apps),
+ WarningTypes = rebar_state:get(State, dialyzer_warnings, default_warnings()),
+ Paths = [filename:join(rebar_app_info:dir(App), "ebin") || App <- Apps],
+ Opts = [{analysis_type, succ_typings},
+ {from, byte_code},
+ {files_rec, Paths},
+ {warnings, WarningTypes},
+ {plts, [ProjectPlt]}],
+
+ case dialyzer:run(Opts) of
+ [] ->
+ {ok, State};
+ Warnings ->
+ [?WARN(dialyzer:format_warning(Warning), []) || Warning <- Warnings],
+ {ok, State}
+ end
+ catch
+ _:{dialyzer_error, Error} ->
+ {error, {?MODULE, {error_processing_apps, Error, Apps}}}
+ end.
+
+-spec format_error(any(), rebar_state:t()) -> {iolist(), rebar_state:t()}.
+format_error({error_processing_apps, Error, _Apps}, State) ->
+ {io_lib:format("Error in dialyzing apps: ~s", [Error]), State};
+format_error(Reason, State) ->
+ {io_lib:format("~p", [Reason]), State}.
+
+%% Internal functions
+
+get_plt_location(BuildDir) ->
+ {filename:join([BuildDir, ".project.plt"]),
+ filename:join([BuildDir, ".deps.plt"])}.
+
+update_dep_plt(_State, DepPlt, AppList) ->
+ Opts0 =
+ case filelib:is_file(DepPlt) of
+ true ->
+ ?INFO("Plt is built, checking/updating ...", []),
+ [{analysis_type, plt_check},
+ {plts, [DepPlt]}];
+ false ->
+ ?INFO("Building the plt, this is really going to "
+ "take a long time ...", []),
+ [{analysis_type, plt_build},
+ {output_plt, DepPlt}]
+ end,
+ Paths = [filename:join(rebar_app_info:dir(App), "ebin") || App <- AppList],
+ Opts = [{files_rec, Paths},
+ {from, byte_code}] ++ Opts0,
+
+ dialyzer:run(Opts).
+
+default_warnings() ->
+ [no_return,
+ no_unused,
+ no_improper_lists,
+ no_fun_app,
+ no_match,
+ no_opaque,
+ no_fail_call,
+ error_handling,
+ race_conditions,
+ unmatched_returns,
+ underspecs].