diff options
| -rw-r--r-- | lib/stdlib/src/erl_lint.erl | 134 |
1 files changed, 63 insertions, 71 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index 68a8534f15..b37ee5066c 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -522,8 +522,7 @@ start(File, Opts) -> warn_format = value_option(warn_format, 1, warn_format, 1, nowarn_format, 0, Opts), enabled_warnings = Enabled, - file = File, - types = default_types() + file = File }. %% is_warn_enabled(Category, St) -> boolean(). @@ -1007,7 +1006,7 @@ check_undefined_functions(#lint{called=Called0,defined=Def0}=St0) -> check_undefined_types(#lint{usage=Usage,types=Def}=St0) -> Used = Usage#usage.used_types, UTAs = dict:fetch_keys(Used), - Undef = [{TA,dict:fetch(TA, Used)} || TA <- UTAs, not dict:is_key(TA, Def)], + Undef = [{TA,dict:fetch(TA, Used)} || TA <- UTAs, not dict:is_key(TA, Def), not is_default_type(TA)], foldl(fun ({TA,L}, St) -> add_error(L, {undefined_type,TA}, St) end, St0, Undef). @@ -2440,7 +2439,7 @@ type_def(Attr, Line, TypeName, ProtoType, Args, St0) -> end, case (dict:is_key(TypePair, TypeDefs) orelse is_var_arity_type(TypeName)) of true -> - case dict:is_key(TypePair, default_types()) of + case is_default_type(TypePair) of true -> case is_newly_introduced_builtin_type(TypePair) of %% allow some types just for bootstrapping @@ -2488,8 +2487,8 @@ check_type({paren_type, _L, [Type]}, SeenVars, St) -> check_type({remote_type, L, [{atom, _, Mod}, {atom, _, Name}, Args]}, SeenVars, #lint{module=CurrentMod} = St) -> St1 = - case (dict:is_key({Name, length(Args)}, default_types()) - orelse is_var_arity_type(Name)) of + case is_default_type({Name, length(Args)}) + orelse is_var_arity_type(Name) of true -> add_error(L, {imported_predefined_type, Name}, St); false -> St end, @@ -2606,63 +2605,62 @@ is_var_arity_type(union) -> true; is_var_arity_type(record) -> true; is_var_arity_type(_) -> false. -default_types() -> - DefTypes = [{any, 0}, - {arity, 0}, - {array, 0}, - {atom, 0}, - {atom, 1}, - {binary, 0}, - {binary, 2}, - {bitstring, 0}, - {bool, 0}, - {boolean, 0}, - {byte, 0}, - {char, 0}, - {dict, 0}, - {digraph, 0}, - {float, 0}, - {'fun', 0}, - {'fun', 2}, - {function, 0}, - {gb_set, 0}, - {gb_tree, 0}, - {identifier, 0}, - {integer, 0}, - {integer, 1}, - {iodata, 0}, - {iolist, 0}, - {list, 0}, - {list, 1}, - {maybe_improper_list, 0}, - {maybe_improper_list, 2}, - {mfa, 0}, - {module, 0}, - {neg_integer, 0}, - {nil, 0}, - {no_return, 0}, - {node, 0}, - {non_neg_integer, 0}, - {none, 0}, - {nonempty_list, 0}, - {nonempty_list, 1}, - {nonempty_improper_list, 2}, - {nonempty_maybe_improper_list, 0}, - {nonempty_maybe_improper_list, 2}, - {nonempty_string, 0}, - {number, 0}, - {pid, 0}, - {port, 0}, - {pos_integer, 0}, - {queue, 0}, - {range, 2}, - {reference, 0}, - {set, 0}, - {string, 0}, - {term, 0}, - {timeout, 0}, - {var, 1}], - dict:from_list([{T, -1} || T <- DefTypes]). +is_default_type({any, 0}) -> true; +is_default_type({arity, 0}) -> true; +is_default_type({array, 0}) -> true; +is_default_type({atom, 0}) -> true; +is_default_type({atom, 1}) -> true; +is_default_type({binary, 0}) -> true; +is_default_type({binary, 2}) -> true; +is_default_type({bitstring, 0}) -> true; +is_default_type({bool, 0}) -> true; +is_default_type({boolean, 0}) -> true; +is_default_type({byte, 0}) -> true; +is_default_type({char, 0}) -> true; +is_default_type({dict, 0}) -> true; +is_default_type({digraph, 0}) -> true; +is_default_type({float, 0}) -> true; +is_default_type({'fun', 0}) -> true; +is_default_type({'fun', 2}) -> true; +is_default_type({function, 0}) -> true; +is_default_type({gb_set, 0}) -> true; +is_default_type({gb_tree, 0}) -> true; +is_default_type({identifier, 0}) -> true; +is_default_type({integer, 0}) -> true; +is_default_type({integer, 1}) -> true; +is_default_type({iodata, 0}) -> true; +is_default_type({iolist, 0}) -> true; +is_default_type({list, 0}) -> true; +is_default_type({list, 1}) -> true; +is_default_type({maybe_improper_list, 0}) -> true; +is_default_type({maybe_improper_list, 2}) -> true; +is_default_type({mfa, 0}) -> true; +is_default_type({module, 0}) -> true; +is_default_type({neg_integer, 0}) -> true; +is_default_type({nil, 0}) -> true; +is_default_type({no_return, 0}) -> true; +is_default_type({node, 0}) -> true; +is_default_type({non_neg_integer, 0}) -> true; +is_default_type({none, 0}) -> true; +is_default_type({nonempty_list, 0}) -> true; +is_default_type({nonempty_list, 1}) -> true; +is_default_type({nonempty_improper_list, 2}) -> true; +is_default_type({nonempty_maybe_improper_list, 0}) -> true; +is_default_type({nonempty_maybe_improper_list, 2}) -> true; +is_default_type({nonempty_string, 0}) -> true; +is_default_type({number, 0}) -> true; +is_default_type({pid, 0}) -> true; +is_default_type({port, 0}) -> true; +is_default_type({pos_integer, 0}) -> true; +is_default_type({queue, 0}) -> true; +is_default_type({range, 2}) -> true; +is_default_type({reference, 0}) -> true; +is_default_type({set, 0}) -> true; +is_default_type({string, 0}) -> true; +is_default_type({term, 0}) -> true; +is_default_type({timeout, 0}) -> true; +is_default_type({var, 1}) -> true; +is_default_type(_) -> false. %% R13 is_newly_introduced_builtin_type({arity, 0}) -> true; @@ -2776,10 +2774,7 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) -> L = gb_sets:to_list(ExpTs) ++ dict:fetch_keys(D), UsedTypes = gb_sets:from_list(L), FoldFun = - fun(_Type, -1, AccSt) -> - %% Default type - AccSt; - (Type, #typeinfo{line = FileLine}, AccSt) -> + fun(Type, #typeinfo{line = FileLine}, AccSt) -> case loc(FileLine) of {FirstFile, _} -> case gb_sets:is_member(Type, UsedTypes) of @@ -2801,10 +2796,7 @@ check_unused_types(Forms, #lint{usage=Usage, types=Ts, exp_types=ExpTs}=St) -> check_local_opaque_types(St) -> #lint{types=Ts, exp_types=ExpTs} = St, FoldFun = - fun(_Type, -1, AccSt) -> - %% Default type - AccSt; - (_Type, #typeinfo{attr = type}, AccSt) -> + fun(_Type, #typeinfo{attr = type}, AccSt) -> AccSt; (Type, #typeinfo{attr = opaque, line = FileLine}, AccSt) -> case gb_sets:is_element(Type, ExpTs) of |