diff options
Diffstat (limited to 'lib/hipe/cerl/erl_types.erl')
| -rw-r--r-- | lib/hipe/cerl/erl_types.erl | 333 |
1 files changed, 86 insertions, 247 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl index 2b290b2f23..d61cd8664c 100644 --- a/lib/hipe/cerl/erl_types.erl +++ b/lib/hipe/cerl/erl_types.erl @@ -66,7 +66,6 @@ t_find_opaque_mismatch/3, t_find_unknown_opaque/3, t_fixnum/0, - t_map/2, t_non_neg_fixnum/0, t_pos_fixnum/0, t_float/0, @@ -108,13 +107,14 @@ t_is_bitstr/1, t_is_bitstr/2, t_is_bitwidth/1, t_is_boolean/1, t_is_boolean/2, - %% t_is_byte/1, - %% t_is_char/1, + t_is_byte/1, + t_is_char/1, t_is_cons/1, t_is_cons/2, t_is_equal/2, t_is_fixnum/1, t_is_float/1, t_is_float/2, t_is_fun/1, t_is_fun/2, + t_is_identifier/1, t_is_instance/2, t_is_integer/1, t_is_integer/2, t_is_list/1, @@ -204,6 +204,7 @@ t_unopaque/1, t_unopaque/2, t_var/1, t_var_name/1, + t_widen_to_number/1, %% t_assign_variables_to_subtype/2, type_is_defined/4, record_field_diffs_to_string/2, @@ -216,18 +217,7 @@ cache__new/0 ]). -%%-define(DO_ERL_TYPES_TEST, true). --compile({no_auto_import,[min/2,max/2]}). - --ifdef(DO_ERL_TYPES_TEST). --export([test/0]). --else. --define(NO_UNUSED, true). --endif. - --ifndef(NO_UNUSED). --export([t_is_identifier/1]). --endif. +-compile({no_auto_import,[min/2,max/2,map_get/2]}). -export_type([erl_type/0, opaques/0, type_table/0, var_table/0, cache/0]). @@ -1190,12 +1180,10 @@ is_fun(_) -> false. t_identifier() -> ?identifier(?any). --ifdef(DO_ERL_TYPES_TEST). --spec t_is_identifier(erl_type()) -> erl_type(). +-spec t_is_identifier(erl_type()) -> boolean(). t_is_identifier(?identifier(_)) -> true; t_is_identifier(_) -> false. --endif. %%------------------------------------ @@ -1366,7 +1354,6 @@ is_integer1(_) -> false. t_byte() -> ?byte. --ifdef(DO_ERL_TYPES_TEST). -spec t_is_byte(erl_type()) -> boolean(). t_is_byte(?int_range(neg_inf, _)) -> false; @@ -1376,7 +1363,6 @@ t_is_byte(?int_range(From, To)) t_is_byte(?int_set(Set)) -> (set_min(Set) >= 0) andalso (set_max(Set) =< ?MAX_BYTE); t_is_byte(_) -> false. --endif. %%------------------------------------ @@ -1608,6 +1594,50 @@ lift_list_to_pos_empty(?nil) -> ?nil; lift_list_to_pos_empty(?list(Content, Termination, _)) -> ?list(Content, Termination, ?unknown_qual). +-spec t_widen_to_number(erl_type()) -> erl_type(). + +%% Widens integers and floats to t_number(). +%% Used by erl_bif_types:key_comparison_fail(). + +t_widen_to_number(?any) -> ?any; +t_widen_to_number(?none) -> ?none; +t_widen_to_number(?unit) -> ?unit; +t_widen_to_number(?atom(_Set) = T) -> T; +t_widen_to_number(?bitstr(_Unit, _Base) = T) -> T; +t_widen_to_number(?float) -> t_number(); +t_widen_to_number(?function(Domain, Range)) -> + ?function(t_widen_to_number(Domain), t_widen_to_number(Range)); +t_widen_to_number(?identifier(_Types) = T) -> T; +t_widen_to_number(?int_range(_From, _To)) -> t_number(); +t_widen_to_number(?int_set(_Set)) -> t_number(); +t_widen_to_number(?integer(_Types)) -> t_number(); +t_widen_to_number(?list(Type, Tail, Size)) -> + ?list(t_widen_to_number(Type), t_widen_to_number(Tail), Size); +t_widen_to_number(?map(Pairs, DefK, DefV)) -> + L = [{t_widen_to_number(K), MNess, t_widen_to_number(V)} || + {K, MNess, V} <- Pairs], + t_map(L, t_widen_to_number(DefK), t_widen_to_number(DefV)); +t_widen_to_number(?matchstate(_P, _Slots) = T) -> T; +t_widen_to_number(?nil) -> ?nil; +t_widen_to_number(?number(_Set, _Tag)) -> t_number(); +t_widen_to_number(?opaque(Set)) -> + L = [Opaque#opaque{struct = t_widen_to_number(S)} || + #opaque{struct = S} = Opaque <- set_to_list(Set)], + ?opaque(ordsets:from_list(L)); +t_widen_to_number(?product(Types)) -> + ?product(list_widen_to_number(Types)); +t_widen_to_number(?tuple(?any, _, _) = T) -> T; +t_widen_to_number(?tuple(Types, Arity, Tag)) -> + ?tuple(list_widen_to_number(Types), Arity, Tag); +t_widen_to_number(?tuple_set(_) = Tuples) -> + t_sup([t_widen_to_number(T) || T <- t_tuple_subtypes(Tuples)]); +t_widen_to_number(?union(List)) -> + ?union(list_widen_to_number(List)); +t_widen_to_number(?var(_Id)= T) -> T. + +list_widen_to_number(List) -> + [t_widen_to_number(E) || E <- List]. + %%----------------------------------------------------------------------------- %% Maps %% @@ -3118,9 +3148,18 @@ is_compat_arg(?list(Contents1, Termination1, Size1), is_compat_arg(?product(Types1), ?product(Types2)) -> is_compat_list(Types1, Types2); is_compat_arg(?map(Pairs1, DefK1, DefV1), ?map(Pairs2, DefK2, DefV2)) -> - (is_compat_list(Pairs1, Pairs2) andalso - is_compat_arg(DefK1, DefK2) andalso - is_compat_arg(DefV1, DefV2)); + {Ks1, _, Vs1} = lists:unzip3(Pairs1), + {Ks2, _, Vs2} = lists:unzip3(Pairs2), + Key1 = t_sup([DefK1 | Ks1]), + Key2 = t_sup([DefK2 | Ks2]), + case is_compat_arg(Key1, Key2) of + true -> + Value1 = t_sup([DefV1 | Vs1]), + Value2 = t_sup([DefV2 | Vs2]), + is_compat_arg(Value1, Value2); + false -> + false + end; is_compat_arg(?tuple(?any, ?any, ?any), ?tuple(_, _, _)) -> false; is_compat_arg(?tuple(_, _, _), ?tuple(?any, ?any, ?any)) -> false; is_compat_arg(?tuple(Elements1, Arity, _), @@ -4170,39 +4209,6 @@ t_abstract_records(?opaque(_)=Type, RecDict) -> t_abstract_records(T, _RecDict) -> T. -%% Map over types. Depth first. Used by the contract checker. ?list is -%% not fully implemented so take care when changing the type in Termination. - --spec t_map(fun((erl_type()) -> erl_type()), erl_type()) -> erl_type(). - -t_map(Fun, ?list(Contents, Termination, Size)) -> - Fun(?list(t_map(Fun, Contents), t_map(Fun, Termination), Size)); -t_map(Fun, ?function(Domain, Range)) -> - Fun(?function(t_map(Fun, Domain), t_map(Fun, Range))); -t_map(Fun, ?product(Types)) -> - Fun(?product([t_map(Fun, T) || T <- Types])); -t_map(Fun, ?union(Types)) -> - Fun(t_sup([t_map(Fun, T) || T <- Types])); -t_map(Fun, ?tuple(?any, ?any, ?any) = T) -> - Fun(T); -t_map(Fun, ?tuple(Elements, _Arity, _Tag)) -> - Fun(t_tuple([t_map(Fun, E) || E <- Elements])); -t_map(Fun, ?tuple_set(_) = Tuples) -> - Fun(t_sup([t_map(Fun, T) || T <- t_tuple_subtypes(Tuples)])); -t_map(Fun, ?opaque(Set)) -> - L = [Opaque#opaque{struct = NewS} || - #opaque{struct = S} = Opaque <- set_to_list(Set), - not t_is_none(NewS = t_map(Fun, S))], - Fun(case L of - [] -> ?none; - _ -> ?opaque(ordsets:from_list(L)) - end); -t_map(Fun, ?map(Pairs,DefK,DefV)) -> - %% TODO: - Fun(t_map(Pairs, Fun(DefK), Fun(DefV))); -t_map(Fun, T) -> - Fun(T). - %%============================================================================= %% %% Prettyprinter @@ -4257,13 +4263,13 @@ t_to_string(?identifier(Set), _RecDict) -> case Set of ?any -> "identifier()"; _ -> - string:join([flat_format("~w()", [T]) || T <- set_to_list(Set)], " | ") + flat_join([flat_format("~w()", [T]) || T <- set_to_list(Set)], " | ") end; t_to_string(?opaque(Set), RecDict) -> - string:join([opaque_type(Mod, Name, Args, S, RecDict) || - #opaque{mod = Mod, name = Name, struct = S, args = Args} - <- set_to_list(Set)], - " | "); + flat_join([opaque_type(Mod, Name, Args, S, RecDict) || + #opaque{mod = Mod, name = Name, struct = S, args = Args} + <- set_to_list(Set)], + " | "); t_to_string(?matchstate(Pres, Slots), RecDict) -> flat_format("ms(~ts,~ts)", [t_to_string(Pres, RecDict), t_to_string(Slots,RecDict)]); @@ -4354,9 +4360,9 @@ t_to_string(?map(Pairs0,DefK,DefV), RecDict) -> end end, StrMand = [{Tos(K),Tos(V)}||{K,?mand,V}<-Pairs], StrOpt = [{Tos(K),Tos(V)}||{K,?opt,V}<-Pairs], - "#{" ++ string:join([K ++ ":=" ++ V||{K,V}<-StrMand] - ++ [K ++ "=>" ++ V||{K,V}<-StrOpt] - ++ ExtraEl, ", ") ++ "}"; + "#{" ++ flat_join([K ++ ":=" ++ V||{K,V}<-StrMand] + ++ [K ++ "=>" ++ V||{K,V}<-StrOpt] + ++ ExtraEl, ", ") ++ "}"; t_to_string(?tuple(?any, ?any, ?any), _RecDict) -> "tuple()"; t_to_string(?tuple(Elements, _Arity, ?any), RecDict) -> "{" ++ comma_sequence(Elements, RecDict) ++ "}"; @@ -4379,7 +4385,7 @@ t_to_string(?var(Id), _RecDict) when is_integer(Id) -> record_to_string(Tag, [_|Fields], FieldNames, RecDict) -> FieldStrings = record_fields_to_string(Fields, FieldNames, RecDict, []), - "#" ++ atom_to_string(Tag) ++ "{" ++ string:join(FieldStrings, ",") ++ "}". + "#" ++ atom_to_string(Tag) ++ "{" ++ flat_join(FieldStrings, ",") ++ "}". record_fields_to_string([F|Fs], [{FName, _Abstr, DefType}|FDefs], RecDict, Acc) -> @@ -4405,7 +4411,7 @@ record_field_diffs_to_string(?tuple([_|Fs], Arity, Tag), RecDict) -> {ok, FieldNames} = lookup_record(TagAtom, Arity-1, RecDict), %% io:format("RecCElems = ~p\nRecTypes = ~p\n", [Fs, FieldNames]), FieldDiffs = field_diffs(Fs, FieldNames, RecDict, []), - string:join(FieldDiffs, " and "). + flat_join(FieldDiffs, " and "). field_diffs([F|Fs], [{FName, _Abstr, DefType}|FDefs], RecDict, Acc) -> %% Don't care about opacity for now. @@ -4425,11 +4431,11 @@ comma_sequence(Types, RecDict) -> true -> "_"; false -> t_to_string(T, RecDict) end || T <- Types], - string:join(List, ","). + flat_join(List, ","). union_sequence(Types, RecDict) -> List = [t_to_string(T, RecDict) || T <- Types], - string:join(List, " | "). + flat_join(List, " | "). -ifdef(DEBUG). opaque_type(Mod, Name, _Args, S, RecDict) -> @@ -5269,7 +5275,7 @@ t_form_to_string({ann_type, _L, [Var, Type]}) -> t_form_to_string({paren_type, _L, [Type]}) -> flat_format("(~ts)", [t_form_to_string(Type)]); t_form_to_string({remote_type, _L, [{atom, _, Mod}, {atom, _, Name}, Args]}) -> - ArgString = "(" ++ string:join(t_form_to_string_list(Args), ",") ++ ")", + ArgString = "(" ++ flat_join(t_form_to_string_list(Args), ",") ++ ")", flat_format("~w:~tw", [Mod, Name]) ++ ArgString; t_form_to_string({type, _L, arity, []}) -> "arity()"; t_form_to_string({type, _L, binary, []}) -> "binary()"; @@ -5292,7 +5298,7 @@ t_form_to_string({type, _L, 'fun', []}) -> "fun()"; t_form_to_string({type, _L, 'fun', [{type, _, any}, Range]}) -> "fun(...) -> " ++ t_form_to_string(Range); t_form_to_string({type, _L, 'fun', [{type, _, product, Domain}, Range]}) -> - "fun((" ++ string:join(t_form_to_string_list(Domain), ",") ++ ") -> " + "fun((" ++ flat_join(t_form_to_string_list(Domain), ",") ++ ") -> " ++ t_form_to_string(Range) ++ ")"; t_form_to_string({type, _L, iodata, []}) -> "iodata()"; t_form_to_string({type, _L, iolist, []}) -> "iolist()"; @@ -5300,7 +5306,7 @@ t_form_to_string({type, _L, list, [Type]}) -> "[" ++ t_form_to_string(Type) ++ "]"; t_form_to_string({type, _L, map, any}) -> "map()"; t_form_to_string({type, _L, map, Args}) -> - "#{" ++ string:join(t_form_to_string_list(Args), ",") ++ "}"; + "#{" ++ flat_join(t_form_to_string_list(Args), ",") ++ "}"; t_form_to_string({type, _L, map_field_assoc, [Key, Val]}) -> t_form_to_string(Key) ++ "=>" ++ t_form_to_string(Val); t_form_to_string({type, _L, map_field_exact, [Key, Val]}) -> @@ -5312,7 +5318,7 @@ t_form_to_string({type, _L, nonempty_list, [Type]}) -> "[" ++ t_form_to_string(Type) ++ ",...]"; t_form_to_string({type, _L, nonempty_string, []}) -> "nonempty_string()"; t_form_to_string({type, _L, product, Elements}) -> - "<" ++ string:join(t_form_to_string_list(Elements), ",") ++ ">"; + "<" ++ flat_join(t_form_to_string_list(Elements), ",") ++ ">"; t_form_to_string({type, _L, range, [From, To]} = Type) -> case {erl_eval:partial_eval(From), erl_eval:partial_eval(To)} of {{integer, _, FromVal}, {integer, _, ToVal}} -> @@ -5322,7 +5328,7 @@ t_form_to_string({type, _L, range, [From, To]} = Type) -> t_form_to_string({type, _L, record, [{atom, _, Name}]}) -> flat_format("#~tw{}", [Name]); t_form_to_string({type, _L, record, [{atom, _, Name}|Fields]}) -> - FieldString = string:join(t_form_to_string_list(Fields), ","), + FieldString = flat_join(t_form_to_string_list(Fields), ","), flat_format("#~tw{~ts}", [Name, FieldString]); t_form_to_string({type, _L, field_type, [{atom, _, Name}, Type]}) -> flat_format("~tw::~ts", [Name, t_form_to_string(Type)]); @@ -5330,9 +5336,9 @@ t_form_to_string({type, _L, term, []}) -> "term()"; t_form_to_string({type, _L, timeout, []}) -> "timeout()"; t_form_to_string({type, _L, tuple, any}) -> "tuple()"; t_form_to_string({type, _L, tuple, Args}) -> - "{" ++ string:join(t_form_to_string_list(Args), ",") ++ "}"; + "{" ++ flat_join(t_form_to_string_list(Args), ",") ++ "}"; t_form_to_string({type, _L, union, Args}) -> - string:join(t_form_to_string_list(Args), " | "); + flat_join(t_form_to_string_list(Args), " | "); t_form_to_string({type, _L, Name, []} = T) -> try M = mod, @@ -5350,7 +5356,7 @@ t_form_to_string({type, _L, Name, []} = T) -> end; t_form_to_string({user_type, _L, Name, List}) -> flat_format("~tw(~ts)", - [Name, string:join(t_form_to_string_list(List), ",")]); + [Name, flat_join(t_form_to_string_list(List), ",")]); t_form_to_string({type, L, Name, List}) -> %% Compatibility: modules compiled before Erlang/OTP 18.0. t_form_to_string({user_type, L, Name, List}). @@ -5611,7 +5617,7 @@ set_to_string(Set) -> true -> io_lib:write_string(atom_to_list(X), $'); % stupid emacs ' false -> flat_format("~tw", [X]) end || X <- set_to_list(Set)], - string:join(L, " | "). + flat_join(L, " | "). set_min([H|_]) -> H. @@ -5621,6 +5627,9 @@ set_max(Set) -> flat_format(F, S) -> lists:flatten(io_lib:format(F, S)). +flat_join(List, Sep) -> + lists:flatten(lists:join(Sep, List)). + %%============================================================================= %% %% Utilities for the binary type @@ -5690,173 +5699,3 @@ family(L) -> var_table__new() -> maps:new(). - -%%============================================================================= -%% Consistency-testing function(s) below -%%============================================================================= - --ifdef(DO_ERL_TYPES_TEST). - -test() -> - Atom1 = t_atom(), - Atom2 = t_atom(foo), - Atom3 = t_atom(bar), - true = t_is_atom(Atom2), - - True = t_atom(true), - False = t_atom(false), - Bool = t_boolean(), - true = t_is_boolean(True), - true = t_is_boolean(Bool), - false = t_is_boolean(Atom1), - - Binary = t_binary(), - true = t_is_binary(Binary), - - Bitstr = t_bitstr(), - true = t_is_bitstr(Bitstr), - - Bitstr1 = t_bitstr(7, 3), - true = t_is_bitstr(Bitstr1), - false = t_is_binary(Bitstr1), - - Bitstr2 = t_bitstr(16, 8), - true = t_is_bitstr(Bitstr2), - true = t_is_binary(Bitstr2), - - ?bitstr(8, 16) = t_subtract(t_bitstr(4, 12), t_bitstr(8, 12)), - ?bitstr(8, 16) = t_subtract(t_bitstr(4, 12), t_bitstr(8, 12)), - - Int1 = t_integer(), - Int2 = t_integer(1), - Int3 = t_integer(16#ffffffff), - true = t_is_integer(Int2), - true = t_is_byte(Int2), - false = t_is_byte(Int3), - false = t_is_byte(t_from_range(-1, 1)), - true = t_is_byte(t_from_range(1, ?MAX_BYTE)), - - Tuple1 = t_tuple(), - Tuple2 = t_tuple(3), - Tuple3 = t_tuple([Atom1, Int1]), - Tuple4 = t_tuple([Tuple1, Tuple2]), - Tuple5 = t_tuple([Tuple3, Tuple4]), - Tuple6 = t_limit(Tuple5, 2), - Tuple7 = t_limit(Tuple5, 3), - true = t_is_tuple(Tuple1), - - Port = t_port(), - Pid = t_pid(), - Ref = t_reference(), - Identifier = t_identifier(), - false = t_is_reference(Port), - true = t_is_identifier(Port), - - Function1 = t_fun(), - Function2 = t_fun(Pid), - Function3 = t_fun([], Pid), - Function4 = t_fun([Port, Pid], Pid), - Function5 = t_fun([Pid, Atom1], Int2), - true = t_is_fun(Function3), - - List1 = t_list(), - List2 = t_list(t_boolean()), - List3 = t_cons(t_boolean(), List2), - List4 = t_cons(t_boolean(), t_atom()), - List5 = t_cons(t_boolean(), t_nil()), - List6 = t_cons_tl(List5), - List7 = t_sup(List4, List5), - List8 = t_inf(List7, t_list()), - List9 = t_cons(), - List10 = t_cons_tl(List9), - true = t_is_boolean(t_cons_hd(List5)), - true = t_is_list(List5), - false = t_is_list(List4), - - Product1 = t_product([Atom1, Atom2]), - Product2 = t_product([Atom3, Atom1]), - Product3 = t_product([Atom3, Atom2]), - - Union1 = t_sup(Atom2, Atom3), - Union2 = t_sup(Tuple2, Tuple3), - Union3 = t_sup(Int2, Atom3), - Union4 = t_sup(Port, Pid), - Union5 = t_sup(Union4, Int1), - Union6 = t_sup(Function1, Function2), - Union7 = t_sup(Function4, Function5), - Union8 = t_sup(True, False), - true = t_is_boolean(Union8), - Union9 = t_sup(Int2, t_integer(2)), - true = t_is_byte(Union9), - Union10 = t_sup(t_tuple([t_atom(true), ?any]), - t_tuple([t_atom(false), ?any])), - - ?any = t_sup(Product3, Function5), - - Atom3 = t_inf(Union3, Atom1), - Union2 = t_inf(Union2, Tuple1), - Int2 = t_inf(Int1, Union3), - Union4 = t_inf(Union4, Identifier), - Port = t_inf(Union5, Port), - Function4 = t_inf(Union7, Function4), - ?none = t_inf(Product2, Atom1), - Product3 = t_inf(Product1, Product2), - Function5 = t_inf(Union7, Function5), - true = t_is_byte(t_inf(Union9, t_number())), - true = t_is_char(t_inf(Union9, t_number())), - - io:format("3? ~p ~n", [?int_set([3])]), - - RecDict = dict:store({foo, 2}, [bar, baz], dict:new()), - Record1 = t_from_term({foo, [1,2], {1,2,3}}), - - Types = [ - Atom1, - Atom2, - Atom3, - Binary, - Int1, - Int2, - Tuple1, - Tuple2, - Tuple3, - Tuple4, - Tuple5, - Tuple6, - Tuple7, - Ref, - Port, - Pid, - Identifier, - List1, - List2, - List3, - List4, - List5, - List6, - List7, - List8, - List9, - List10, - Function1, - Function2, - Function3, - Function4, - Function5, - Product1, - Product2, - Record1, - Union1, - Union2, - Union3, - Union4, - Union5, - Union6, - Union7, - Union8, - Union10, - t_inf(Union10, t_tuple([t_atom(true), t_integer()])) - ], - io:format("~p\n", [[t_to_string(X, RecDict) || X <- Types]]). - --endif. |