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| author | Hans Bolinder <[email protected]> | 2015-12-02 12:41:58 +0100 |
|---|---|---|
| committer | Hans Bolinder <[email protected]> | 2016-02-17 12:58:19 +0100 |
| commit | c6135114e691a8c2f21f4d79f2566b87300857d5 (patch) | |
| tree | be7e154143ebe630e1fa55bd65bc6edc0cb19b48 /lib/stdlib | |
| parent | e2e216eb72477103cb5930632c9f05a5f4164fae (diff) | |
| download | otp-c6135114e691a8c2f21f4d79f2566b87300857d5.tar.gz otp-c6135114e691a8c2f21f4d79f2566b87300857d5.tar.bz2 otp-c6135114e691a8c2f21f4d79f2566b87300857d5.zip | |
stdlib: Let the linter detect old typed records
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/erl_lint.erl | 9 | ||||
| -rw-r--r-- | lib/stdlib/test/erl_lint_SUITE.erl | 17 |
2 files changed, 25 insertions, 1 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index e821417e8e..4ca9a609a8 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -360,6 +360,9 @@ format_error({redefine_type, {TypeName, Arity}}) -> [TypeName, gen_type_paren(Arity)]); format_error({type_syntax, Constr}) -> io_lib:format("bad ~w type", [Constr]); +format_error(old_abstract_code) -> + io_lib:format("abstract code generated before Erlang/OTP 19.0 and " + "having typed record fields cannot be compiled", []); format_error({redefine_spec, {M, F, A}}) -> io_lib:format("spec for ~w:~w/~w already defined", [M, F, A]); format_error({redefine_spec, {F, A}}) -> @@ -2812,6 +2815,8 @@ check_type({user_type, L, TypeName, Args}, SeenVars, St) -> lists:foldl(fun(T, {AccSeenVars, AccSt}) -> check_type(T, AccSeenVars, AccSt) end, {SeenVars, St1}, Args); +check_type([{typed_record_field,Field,_T}|_], SeenVars, St) -> + {SeenVars, add_error(element(2, Field), old_abstract_code, St)}; check_type(I, SeenVars, St) -> case erl_eval:partial_eval(I) of {integer,_ILn,_Integer} -> {SeenVars, St}; @@ -3009,7 +3014,9 @@ 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, #typeinfo{line = FileLine}, AccSt) -> + fun({{record, _}=_Type, 0}, _, AccSt) -> + AccSt; % Before Erlang/OTP 19.0 + (Type, #typeinfo{line = FileLine}, AccSt) -> case loc(FileLine, AccSt) of {FirstFile, _} -> case gb_sets:is_member(Type, UsedTypes) of diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index 32247ba492..8f0ac828ec 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -2607,6 +2607,23 @@ otp_5878(Config) when is_list(Config) -> ">>, ?line [] = run_test2(Config, UsedByType, [warn_unused_record]), + %% Abstract code generated by OTP 18. Note that the type info for + %% record fields has been put in a separate form. + OldAbstract = [{attribute,1,file,{"rec.erl",1}}, + {attribute,1,module,rec}, + {attribute,3,export,[{t,0}]}, + {attribute,7,record,{r,[{record_field,7,{atom,7,f}}]}}, + {attribute,7,type, + {{record,r}, + [{typed_record_field, + {record_field,7,{atom,7,f}}, + {type,7,union,[{atom,7,undefined},{type,7,atom,[]}]}}], + []}}, + {function,9,t,0,[{clause,9,[],[],[{record,10,r,[]}]}]}, + {eof,11}], + {error,[{"rec.erl",[{7,erl_lint,old_abstract_code}]}],[]} = + compile:forms(OldAbstract, [return, report]), + ok. otp_6885(doc) -> |