diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_succ_typings.erl')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_succ_typings.erl | 86 |
1 files changed, 78 insertions, 8 deletions
diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl index 84379642bf..ef9b00e203 100644 --- a/lib/dialyzer/src/dialyzer_succ_typings.erl +++ b/lib/dialyzer/src/dialyzer_succ_typings.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2012. All Rights Reserved. +%% Copyright Ericsson AB 2006-2014. 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 @@ -72,7 +72,7 @@ -record(st, {callgraph :: dialyzer_callgraph:callgraph(), codeserver :: dialyzer_codeserver:codeserver(), - no_warn_unused :: set(), + no_warn_unused :: sets:set(mfa()), parent = none :: parent(), timing_server :: dialyzer_timing:timing_server(), solvers :: [solver()], @@ -137,7 +137,7 @@ get_refined_success_typings(SCCs, #st{callgraph = Callgraph, -type doc_plt() :: 'undefined' | dialyzer_plt:plt(). -spec get_warnings(dialyzer_callgraph:callgraph(), dialyzer_plt:plt(), - doc_plt(), dialyzer_codeserver:codeserver(), set(), + doc_plt(), dialyzer_codeserver:codeserver(), sets:set(mfa()), dialyzer_timing:timing_server(), [solver()], pid()) -> {[dial_warning()], dialyzer_plt:plt(), doc_plt()}. @@ -149,8 +149,10 @@ get_warnings(Callgraph, Plt, DocPlt, Codeserver, NewState = InitState#st{no_warn_unused = NoWarnUnused}, Mods = dialyzer_callgraph:modules(NewState#st.callgraph), MiniPlt = NewState#st.plt, + FindOpaques = lookup_and_find_opaques_fun(Codeserver), CWarns = - dialyzer_contracts:get_invalid_contract_warnings(Mods, Codeserver, MiniPlt), + dialyzer_contracts:get_invalid_contract_warnings(Mods, Codeserver, + MiniPlt, FindOpaques), MiniDocPlt = dialyzer_plt:get_mini_plt(DocPlt), ModWarns = ?timing(TimingServer, "warning", @@ -261,7 +263,16 @@ refine_one_module(M, {CodeServer, Callgraph, Plt, _Solvers}) -> FunTypes = get_fun_types_from_plt(AllFuns, Callgraph, Plt), NewFunTypes = dialyzer_dataflow:get_fun_types(ModCode, Plt, Callgraph, Records), - case reached_fixpoint(FunTypes, NewFunTypes) of + Contracts1 = dialyzer_codeserver:lookup_mod_contracts(M, CodeServer), + Contracts = orddict:from_list(dict:to_list(Contracts1)), + FindOpaques = find_opaques_fun(Records), + DecoratedFunTypes = + decorate_succ_typings(Contracts, Callgraph, NewFunTypes, FindOpaques), + %% ?debug("NewFunTypes ~p\n ~n", [dict:to_list(NewFunTypes)]), + %% ?debug("refine DecoratedFunTypes ~p\n ~n", [dict:to_list(DecoratedFunTypes)]), + debug_pp_functions("Refine", NewFunTypes, DecoratedFunTypes, Callgraph), + + case reached_fixpoint(FunTypes, DecoratedFunTypes) of true -> []; {false, NotFixpoint} -> ?debug("Not fixpoint\n", []), @@ -357,9 +368,16 @@ find_succ_types_for_scc(SCC, {Codeserver, Callgraph, Plt, Solvers}) -> AllFunSet = sets:from_list([X || {X, _} <- AllFuns]), FilteredFunTypes = dict:filter(fun(X, _) -> sets:is_element(X, AllFunSet) end, FunTypes), + FindOpaques = lookup_and_find_opaques_fun(Codeserver), + DecoratedFunTypes = + decorate_succ_typings(Contracts3, Callgraph, FilteredFunTypes, FindOpaques), %% Check contracts PltContracts = - dialyzer_contracts:check_contracts(Contracts3, Callgraph, FilteredFunTypes), + dialyzer_contracts:check_contracts(Contracts3, Callgraph, + DecoratedFunTypes, FindOpaques), + %% ?debug("FilteredFunTypes ~p\n ~n", [dict:to_list(FilteredFunTypes)]), + %% ?debug("SCC DecoratedFunTypes ~p\n ~n", [dict:to_list(DecoratedFunTypes)]), + debug_pp_functions("SCC", FilteredFunTypes, DecoratedFunTypes, Callgraph), ContractFixpoint = lists:all(fun({MFA, _C}) -> %% Check the non-deleted PLT @@ -368,16 +386,47 @@ find_succ_types_for_scc(SCC, {Codeserver, Callgraph, Plt, Solvers}) -> {value, _} -> true end end, PltContracts), - Plt = insert_into_plt(FilteredFunTypes, Callgraph, Plt), + Plt = insert_into_plt(DecoratedFunTypes, Callgraph, Plt), Plt = dialyzer_plt:insert_contract_list(Plt, PltContracts), case (ContractFixpoint andalso - reached_fixpoint_strict(PropTypes, FilteredFunTypes)) of + reached_fixpoint_strict(PropTypes, DecoratedFunTypes)) of true -> []; false -> ?debug("Not fixpoint for: ~w\n", [AllFuns]), [Fun || {Fun, _Arity} <- AllFuns] end. +decorate_succ_typings(Contracts, Callgraph, FunTypes, FindOpaques) -> + F = fun(Label, Type) -> + case dialyzer_callgraph:lookup_name(Label, Callgraph) of + {ok, MFA} -> + case orddict:find(MFA, Contracts) of + {ok, {_FileLine, Contract}} -> + Args = dialyzer_contracts:get_contract_args(Contract), + Ret = dialyzer_contracts:get_contract_return(Contract), + C = erl_types:t_fun(Args, Ret), + {M, _, _} = MFA, + Opaques = FindOpaques(M), + erl_types:t_decorate_with_opaque(Type, C, Opaques); + error -> Type + end; + error -> Type + end + end, + dict:map(F, FunTypes). + +lookup_and_find_opaques_fun(Codeserver) -> + fun(Module) -> + Records = dialyzer_codeserver:lookup_mod_records(Module, Codeserver), + (find_opaques_fun(Records))(Module) + end. + +find_opaques_fun(Records) -> + fun(Module) -> + erl_types:module_builtin_opaques(Module) ++ + erl_types:t_opaque_from_records(Records) + end. + get_fun_types_from_plt(FunList, Callgraph, Plt) -> get_fun_types_from_plt(FunList, Callgraph, Plt, dict:new()). @@ -443,9 +492,30 @@ debug_pp_succ_typings(SuccTypes) -> || {MFA, {contract, RetFun, ArgT}} <- SuccTypes], ?debug("\n", []), ok. + +debug_pp_functions(Header, FunTypes, DecoratedFunTypes, Callgraph) -> + ?debug("FunTypes (~s)\n", [Header]), + FTypes = lists:keysort(1, dict:to_list(FunTypes)), + DTypes = lists:keysort(1, dict:to_list(DecoratedFunTypes)), + Fun = fun({{Label, Type},{Label, DecoratedType}}) -> + Name = lookup_name(Label, Callgraph), + ?debug("~w (~w): ~s\n", + [Name, Label, erl_types:t_to_string(Type)]), + case erl_types:t_is_equal(Type, DecoratedType) of + true -> ok; + false -> + ?debug(" With opaque types: ~s\n", + [erl_types:t_to_string(DecoratedType)]) + end + end, + lists:foreach(Fun, lists:zip(FTypes, DTypes)), + ?debug("\n", []). -else. debug_pp_succ_typings(_) -> ok. + +debug_pp_functions(_, _, _, _) -> + ok. -endif. lookup_name(F, CG) -> |