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-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl49
1 files changed, 32 insertions, 17 deletions
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index b00e0465e0..692684cd99 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -86,39 +86,53 @@
%%--------------------------------------------------------------------
+-type type() :: erl_types:erl_type().
+-type types() :: erl_types:type_table().
+
-define(no_arg, no_arg).
-define(TYPE_LIMIT, 3).
-record(state, {callgraph :: dialyzer_callgraph:callgraph(),
- envs :: dict(),
- fun_tab :: dict(),
+ envs :: env_tab(),
+ fun_tab :: fun_tab(),
plt :: dialyzer_plt:plt(),
- opaques :: [erl_types:erl_type()],
+ opaques :: [type()],
races = dialyzer_races:new() :: dialyzer_races:races(),
- records = dict:new() :: dict(),
- tree_map :: dict(),
+ records = dict:new() :: types(),
+ tree_map :: dict:dict(label(), cerl:cerl()),
warning_mode = false :: boolean(),
warnings = [] :: [dial_warning()],
- work :: {[_], [_], set()},
+ work :: {[_], [_], sets:set()},
module :: module()
}).
--record(map, {dict = dict:new() :: dict(),
- subst = dict:new() :: dict(),
+-record(map, {dict = dict:new() :: type_tab(),
+ subst = dict:new() :: subst_tab(),
modified = [] :: [Key :: term()],
modified_stack = [] :: [{[Key :: term()],reference()}],
ref = undefined :: reference() | undefined}).
+-type nowarn() :: dialyzer_analysis_callgraph:no_warn_unused().
+-type env_tab() :: dict:dict(label(), #map{}).
+-type fun_entry() :: {Args :: [type()], RetType :: type()}.
+-type fun_tab() :: dict:dict('top' | label(),
+ {'not_handled', fun_entry()} | fun_entry()).
+-type key() :: label() | cerl:cerl().
+-type type_tab() :: dict:dict(key(), type()).
+-type subst_tab() :: dict:dict(key(), cerl:cerl()).
+
%% Exported Types
-opaque state() :: #state{}.
%%--------------------------------------------------------------------
+-type fun_types() :: dict:dict(label(), type()).
+
-spec get_warnings(cerl:c_module(), dialyzer_plt:plt(),
- dialyzer_callgraph:callgraph(), dict(), set()) ->
- {[dial_warning()], dict()}.
+ dialyzer_callgraph:callgraph(), types(), nowarn()) ->
+ {[dial_warning()], fun_types()}.
get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) ->
State1 = analyze_module(Tree, Plt, Callgraph, Records, true),
@@ -129,7 +143,8 @@ get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) ->
{State4#state.warnings, state__all_fun_types(State4)}.
-spec get_fun_types(cerl:c_module(), dialyzer_plt:plt(),
- dialyzer_callgraph:callgraph(), dict()) -> dict().
+ dialyzer_callgraph:callgraph(),
+ types()) -> fun_types().
get_fun_types(Tree, Plt, Callgraph, Records) ->
State = analyze_module(Tree, Plt, Callgraph, Records, false),
@@ -2299,7 +2314,7 @@ bind_guard_list([], Map, _Env, _Eval, _State, Acc) ->
-type eval() :: 'pos' | 'neg' | 'dont_know'.
--spec signal_guard_fail(eval(), cerl:c_call(), [erl_types:erl_type()],
+-spec signal_guard_fail(eval(), cerl:c_call(), [type()],
state()) -> no_return().
signal_guard_fail(Eval, Guard, ArgTypes, State) ->
@@ -3161,7 +3176,7 @@ state__get_callgraph(#state{callgraph = Callgraph}) ->
state__get_races(#state{races = Races}) ->
Races.
--spec state__get_records(state()) -> dict().
+-spec state__get_records(state()) -> types().
state__get_records(#state{records = Records}) ->
Records.
@@ -3260,7 +3275,7 @@ get_file([_|Tail]) -> get_file(Tail).
is_compiler_generated(Ann) ->
lists:member(compiler_generated, Ann) orelse (get_line(Ann) < 1).
--spec format_args([cerl:cerl()], [erl_types:erl_type()], state()) ->
+-spec format_args([cerl:cerl()], [type()], state()) ->
nonempty_string().
format_args([], [], _State) ->
@@ -3295,17 +3310,17 @@ format_arg(Arg) ->
Default
end.
--spec format_type(erl_types:erl_type(), state()) -> string().
+-spec format_type(type(), state()) -> string().
format_type(Type, #state{records = R}) ->
t_to_string(Type, R).
--spec format_field_diffs(erl_types:erl_type(), state()) -> string().
+-spec format_field_diffs(type(), state()) -> string().
format_field_diffs(RecConstruction, #state{records = R}) ->
erl_types:record_field_diffs_to_string(RecConstruction, R).
--spec format_sig_args(erl_types:erl_type(), state()) -> string().
+-spec format_sig_args(type(), state()) -> string().
format_sig_args(Type, #state{opaques = Opaques} = State) ->
SigArgs = t_fun_args(Type, Opaques),