diff options
Diffstat (limited to 'lib/stdlib/src/erl_lint.erl')
| -rw-r--r-- | lib/stdlib/src/erl_lint.erl | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl index e5adb84932..cfbcf54d95 100644 --- a/lib/stdlib/src/erl_lint.erl +++ b/lib/stdlib/src/erl_lint.erl @@ -1804,12 +1804,19 @@ guard_test(G, Vt, St0) -> %% Specially handle record type test here. guard_test2({call,Line,{atom,Lr,record},[E,A]}, Vt, St0) -> gexpr({call,Line,{atom,Lr,is_record},[E,A]}, Vt, St0); -guard_test2({call,_Line,{atom,_La,F},As}=G, Vt, St0) -> +guard_test2({call,Line,{atom,_La,F},As}=G, Vt, St0) -> {Asvt,St1} = gexpr_list(As, Vt, St0), %Always check this. A = length(As), case erl_internal:type_test(F, A) of - true when F =/= is_record -> {Asvt,St1}; - _ -> gexpr(G, Vt, St0) + true when F =/= is_record, A =/= 2 -> + case no_guard_bif_clash(St1, {F,A}) of + false -> + {Asvt,add_error(Line, {illegal_guard_local_call,{F,A}}, St1)}; + true -> + {Asvt,St1} + end; + _ -> + gexpr(G, Vt, St0) end; guard_test2(G, Vt, St) -> %% Everything else is a guard expression. @@ -1865,9 +1872,15 @@ gexpr({call,Line,{atom,_Lr,is_record},[E,R]}, Vt, St0) -> gexpr({call,Line,{remote,_Lr,{atom,_Lm,erlang},{atom,Lf,is_record}},[E,A]}, Vt, St0) -> gexpr({call,Line,{atom,Lf,is_record},[E,A]}, Vt, St0); -gexpr({call,_Line,{atom,_Lr,is_record},[E,{atom,_,_Name},{integer,_,_}]}, +gexpr({call,Line,{atom,_Lr,is_record},[E0,{atom,_,_Name},{integer,_,_}]}, Vt, St0) -> - gexpr(E, Vt, St0); + {E,St1} = gexpr(E0, Vt, St0), + case no_guard_bif_clash(St0, {is_record,3}) of + true -> + {E,St1}; + false -> + {E,add_error(Line, {illegal_guard_local_call,{is_record,3}}, St1)} + end; gexpr({call,Line,{atom,_Lr,is_record},[_,_,_]=Asvt0}, Vt, St0) -> {Asvt,St1} = gexpr_list(Asvt0, Vt, St0), {Asvt,add_error(Line, illegal_guard_expr, St1)}; |