diff options
Diffstat (limited to 'lib/compiler')
-rw-r--r-- | lib/compiler/src/sys_core_fold.erl | 10 | ||||
-rw-r--r-- | lib/compiler/src/v3_core.erl | 38 | ||||
-rw-r--r-- | lib/compiler/test/map_SUITE.erl | 83 | ||||
-rw-r--r-- | lib/compiler/test/warnings_SUITE.erl | 4 |
4 files changed, 77 insertions, 58 deletions
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index 0d020578f5..beab2ce897 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -70,7 +70,8 @@ -export([module/2,format_error/1]). -import(lists, [map/2,foldl/3,foldr/3,mapfoldl/3,all/2,any/2, - reverse/1,reverse/2,member/2,nth/2,flatten/1,unzip/1]). + reverse/1,reverse/2,member/2,nth/2,flatten/1, + unzip/1,keyfind/3]). -import(cerl, [ann_c_cons/3,ann_c_map/3,ann_c_tuple/2]). @@ -1624,12 +1625,11 @@ eval_case(Case, _) -> Case. eval_case_warn(#c_primop{anno=Anno, name=#c_literal{val=match_fail}, - args=[#c_literal{val=Reason}]}=Core) - when is_atom(Reason) -> - case member(eval_failure, Anno) of + args=[_]}=Core) -> + case keyfind(eval_failure, 1, Anno) of false -> ok; - true -> + {eval_failure,Reason} -> %% Example: M = not_map, M#{k:=v} add_warning(Core, {eval_failure,Reason}) end; diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index c954d21e59..ed7b55df07 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -538,19 +538,8 @@ expr({tuple,L,Es0}, St0) -> {annotate_tuple(A, Es1, St1),Eps,St1}; expr({map,L,Es0}, St0) -> map_build_pairs(#c_literal{val=#{}}, Es0, full_anno(L, St0), St0); -expr({map,L,M0,Es0}, St0) -> - try expr_map(M0,Es0,lineno_anno(L, St0),St0) of - {_,_,_}=Res -> Res - catch - throw:{bad_map,Warning} -> - St = add_warning(L, Warning, St0), - LineAnno = lineno_anno(L, St), - As = [#c_literal{anno=LineAnno,val=badarg}], - {#icall{anno=#a{anno=LineAnno}, %Must have an #a{} - module=#c_literal{anno=LineAnno,val=erlang}, - name=#c_literal{anno=LineAnno,val=error}, - args=As},[],St} - end; +expr({map,L,M,Es}, St) -> + expr_map(M, Es, L, St); expr({bin,L,Es0}, St0) -> try expr_bin(Es0, full_anno(L, St0), St0) of {_,_,_}=Res -> Res @@ -758,11 +747,14 @@ make_bool_switch_guard(L, E, V, T, F) -> {clause,NegL,[V],[],[V]} ]}. -expr_map(M0, Es0, A, St0) -> +expr_map(M0, Es0, L, St0) -> {M1,Eps0,St1} = safe(M0, St0), + Badmap = badmap_term(M1, St1), + A = lineno_anno(L, St1), + Fc = fail_clause([], [{eval_failure,badmap}|A], Badmap), case is_valid_map_src(M1) of true -> - {M2,Eps1,St2} = map_build_pairs(M1, Es0, A, St1), + {M2,Eps1,St2} = map_build_pairs(M1, Es0, full_anno(L, St1), St1), M3 = case Es0 of [] -> M1; [_|_] -> M2 @@ -775,13 +767,23 @@ expr_map(M0, Es0, A, St0) -> name=#c_literal{anno=A,val=is_map}, args=[M1]}], body=[M3]}], - Fc = fail_clause([], [eval_failure|A], #c_literal{val=badarg}), Eps = Eps0 ++ Eps1, {#icase{anno=#a{anno=A},args=[],clauses=Cs,fc=Fc},Eps,St2}; false -> - throw({bad_map,bad_map}) + %% Not a map source. The update will always fail. + St2 = add_warning(L, badmap, St1), + #iclause{body=[Fail]} = Fc, + {Fail,Eps0,St2} end. +badmap_term(_Map, #core{in_guard=true}) -> + %% The code generator cannot handle complex error reasons + %% in guards. But the exact error reason does not matter anyway + %% since it is not user-visible. + #c_literal{val=badmap}; +badmap_term(Map, #core{in_guard=false}) -> + #c_tuple{es=[#c_literal{val=badmap},Map]}. + map_build_pairs(Map, Es0, Ann, St0) -> {Es,Pre,St1} = map_build_pairs_1(Es0, St0), {ann_c_map(Ann, Map, Es),Pre,St1}. @@ -2395,7 +2397,7 @@ format_error(nomatch) -> "pattern cannot possibly match"; format_error(bad_binary) -> "binary construction will fail because of a type mismatch"; -format_error(bad_map) -> +format_error(badmap) -> "map construction will fail because of a type mismatch". add_warning(Line, Term, #core{ws=Ws,file=[{file,File}]}=St) when Line >= 0 -> diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl index 7db467a0d2..8768e47b65 100644 --- a/lib/compiler/test/map_SUITE.erl +++ b/lib/compiler/test/map_SUITE.erl @@ -669,9 +669,9 @@ t_map_size(Config) when is_list(Config) -> false = map_is_size(M#{ "c" => 2}, 2), %% Error cases. - {'EXIT',{badarg,_}} = (catch map_size([])), - {'EXIT',{badarg,_}} = (catch map_size(<<1,2,3>>)), - {'EXIT',{badarg,_}} = (catch map_size(1)), + {'EXIT',{{badmap,[]},_}} = (catch map_size([])), + {'EXIT',{{badmap,<<1,2,3>>},_}} = (catch map_size(<<1,2,3>>)), + {'EXIT',{{badmap,1},_}} = (catch map_size(1)), ok. map_is_size(M,N) when map_size(M) =:= N -> true; @@ -874,9 +874,9 @@ t_update_map_expressions(Config) when is_list(Config) -> #{ "a" := b } = F(), - %% Error cases, FIXME: should be 'badmap'? - {'EXIT',{badarg,_}} = (catch (id(<<>>))#{ a := 42, b => 2 }), - {'EXIT',{badarg,_}} = (catch (id([]))#{ a := 42, b => 2 }), + %% Error cases. + {'EXIT',{{badmap,<<>>},_}} = (catch (id(<<>>))#{ a := 42, b => 2 }), + {'EXIT',{{badmap,[]},_}} = (catch (id([]))#{ a := 42, b => 2 }), ok. @@ -897,8 +897,14 @@ t_update_assoc(Config) when is_list(Config) -> %% Errors cases. BadMap = id(badmap), - {'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>val}), - {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting=>val}), + {'EXIT',{{badmap,BadMap},_}} = (catch BadMap#{nonexisting=>val}), + {'EXIT',{{badmap,<<>>},_}} = (catch <<>>#{nonexisting=>val}), + + %% Evaluation order. + {'EXIT',{blurf,_}} = + (catch BadMap#{whatever=>id(error(blurf))}), + {'EXIT',{blurf,_}} = + (catch BadMap#{id(error(blurf))=>whatever}), ok. t_update_assoc_large(Config) when is_list(Config) -> @@ -965,8 +971,8 @@ t_update_assoc_large(Config) when is_list(Config) -> M2 = M0#{13.0:=wrong,13.0=>new}, %% Errors cases. - BadMap = id(badmap), - {'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>M0}), + BadMap = id({no,map}), + {'EXIT',{{badmap,BadMap},_}} = (catch BadMap#{nonexisting=>M0}), ok. @@ -991,19 +997,29 @@ t_update_exact(Config) when is_list(Config) -> 1.0 => new_val4 }, %% Errors cases. - {'EXIT',{badarg,_}} = (catch ((id(nil))#{ a := b })), - {'EXIT',{badarg,_}} = (catch M0#{nonexisting:=val}), - {'EXIT',{badarg,_}} = (catch M0#{1.0:=v,1.0=>v2}), - {'EXIT',{badarg,_}} = (catch M0#{42.0:=v,42:=v2}), - {'EXIT',{badarg,_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), - {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting:=val}), - {'EXIT',{badarg,_}} = (catch M0#{<<0:257>> := val}), %% limitation + {'EXIT',{{badmap,nil},_}} = (catch ((id(nil))#{ a := b })), + {'EXIT',{{badkey,nonexisting},_}} = (catch M0#{nonexisting:=val}), + {'EXIT',{{badkey,1.0},_}} = (catch M0#{1.0:=v,1.0=>v2}), + {'EXIT',{{badkey,42},_}} = (catch M0#{42.0:=v,42:=v2}), + {'EXIT',{{badkey,42.0},_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), + {'EXIT',{{badmap,<<>>},_}} = (catch <<>>#{nonexisting:=val}), + {'EXIT',{{badkey,<<0:257>>},_}} = + (catch M0#{<<0:257>> := val}), %limitation %% A workaround for a bug allowed an empty map to be updated. - {'EXIT',{badarg,_}} = (catch (id(#{}))#{a:=1}), - {'EXIT',{badarg,_}} = (catch #{}#{a:=1}), + {'EXIT',{{badkey,a},_}} = (catch (id(#{}))#{a:=1}), + {'EXIT',{{badkey,a},_}} = (catch #{}#{a:=1}), Empty = #{}, - {'EXIT',{badarg,_}} = (catch Empty#{a:=1}), + {'EXIT',{{badkey,a},_}} = (catch Empty#{a:=1}), + + %% Evaluation order. + BadMap = id([no,map]), + {'EXIT',{blurf,_}} = + (catch BadMap#{whatever:=id(error(blurf))}), + {'EXIT',{blurf,_}} = + (catch BadMap#{id(error(blurf)):=whatever}), + {'EXIT',{{badmap,BadMap},_}} = + (catch BadMap#{id(nonexisting):=whatever}), ok. t_update_exact_large(Config) when is_list(Config) -> @@ -1081,10 +1097,10 @@ t_update_exact_large(Config) when is_list(Config) -> M2 = M0#{13.0=>wrong,13.0:=new}, %% Errors cases. - {'EXIT',{badarg,_}} = (catch M0#{nonexisting:=val}), - {'EXIT',{badarg,_}} = (catch M0#{1.0:=v,1.0=>v2}), - {'EXIT',{badarg,_}} = (catch M0#{42.0:=v,42:=v2}), - {'EXIT',{badarg,_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), + {'EXIT',{{badkey,nonexisting},_}} = (catch M0#{nonexisting:=val}), + {'EXIT',{{badkey,1.0},_}} = (catch M0#{1.0:=v,1.0=>v2}), + {'EXIT',{{badkey,42},_}} = (catch M0#{42.0:=v,42:=v2}), + {'EXIT',{{badkey,42.0},_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), ok. @@ -1666,8 +1682,8 @@ t_update_assoc_variables(Config) when is_list(Config) -> %% Errors cases. BadMap = id(badmap), - {'EXIT',{badarg,_}} = (catch BadMap#{nonexisting=>val}), - {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting=>val}), + {'EXIT',{{badmap,BadMap},_}} = (catch BadMap#{nonexisting=>val}), + {'EXIT',{{badmap,<<>>},_}} = (catch <<>>#{nonexisting=>val}), ok. t_update_exact_variables(Config) when is_list(Config) -> @@ -1697,13 +1713,14 @@ t_update_exact_variables(Config) when is_list(Config) -> #{ "wat" := 3, 2 := a } = id(#{ "wat" => 1, K2 => 2 }#{ K2 := a, "wat" := 3 }), %% Errors cases. - {'EXIT',{badarg,_}} = (catch ((id(nil))#{ a := b })), - {'EXIT',{badarg,_}} = (catch M0#{nonexisting:=val}), - {'EXIT',{badarg,_}} = (catch M0#{1.0:=v,1.0=>v2}), - {'EXIT',{badarg,_}} = (catch M0#{42.0:=v,42:=v2}), - {'EXIT',{badarg,_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), - {'EXIT',{badarg,_}} = (catch <<>>#{nonexisting:=val}), - {'EXIT',{badarg,_}} = (catch M0#{<<0:257>> := val}), %% limitation + {'EXIT',{{badmap,nil},_}} = (catch ((id(nil))#{ a := b })), + {'EXIT',{{badkey,nonexisting},_}} = (catch M0#{nonexisting:=val}), + {'EXIT',{{badkey,1.0},_}} = (catch M0#{1.0:=v,1.0=>v2}), + {'EXIT',{{badkey,42},_}} = (catch M0#{42.0:=v,42:=v2}), + {'EXIT',{{badkey,42.0},_}} = (catch M0#{42=>v1,42.0:=v2,42:=v3}), + {'EXIT',{{badmap,<<>>},_}} = (catch <<>>#{nonexisting:=val}), + {'EXIT',{{badkey,<<0:257>>},_}} = + (catch M0#{<<0:257>> := val}), %limitation ok. t_nested_pattern_expressions(Config) when is_list(Config) -> diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index d0b7c71be8..e996a55db6 100644 --- a/lib/compiler/test/warnings_SUITE.erl +++ b/lib/compiler/test/warnings_SUITE.erl @@ -583,7 +583,7 @@ maps(Config) when is_list(Config) -> ok. ">>, [], - {warnings,[{4,sys_core_fold,{eval_failure,badarg}}]}}, + {warnings,[{4,sys_core_fold,{eval_failure,badmap}}]}}, {bad_map_src2, <<" t() -> @@ -601,7 +601,7 @@ maps(Config) when is_list(Config) -> ok. ">>, [], - {warnings,[{3,v3_core,bad_map}]}}, + {warnings,[{3,v3_core,badmap}]}}, {ok_map_literal_key, <<" t() -> |