diff options
Diffstat (limited to 'lib/compiler')
33 files changed, 542 insertions, 139 deletions
diff --git a/lib/compiler/doc/src/compile.xml b/lib/compiler/doc/src/compile.xml index c66c8ea4bf..5fccdcdcb5 100644 --- a/lib/compiler/doc/src/compile.xml +++ b/lib/compiler/doc/src/compile.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -551,6 +551,14 @@ module.beam: module.erl \ <c>{Module,Name,Arity}</c> or a list of such tuples.</p> </item> + <tag><c>nowarn_deprecated_type</c></tag> + <item> + <p>Turns off warnings for uses of deprecated types. By + default (<c>warn_deprecated_type</c>), warnings are + emitted for every use of a type known by the compiler + to be deprecated.</p> + </item> + <tag><c>warn_obsolete_guard</c></tag> <item> <p>Causes warnings to be emitted for calls to old type diff --git a/lib/compiler/src/beam_bool.erl b/lib/compiler/src/beam_bool.erl index 124abd13c1..5a4621dc37 100644 --- a/lib/compiler/src/beam_bool.erl +++ b/lib/compiler/src/beam_bool.erl @@ -318,6 +318,8 @@ split_block_label_used([{set,[_],_,{bif,_,{f,Fail}}}|_], Fail) -> true; split_block_label_used([{set,[_],_,{alloc,_,{gc_bif,_,{f,Fail}}}}|_], Fail) -> true; +split_block_label_used([{set,[_],_,{alloc,_,{put_map,_,{f,Fail}}}}|_], Fail) -> + true; split_block_label_used([_|Is], Fail) -> split_block_label_used(Is, Fail); split_block_label_used([], _) -> false. @@ -391,10 +393,14 @@ bopt_tree([{set,_,_,{bif,'xor',_}}|_], _, _) -> throw('xor'); bopt_tree([{protected,[Dst],Code,_}|Is], Forest0, Pre) -> ProtForest0 = gb_trees:from_orddict([P || {_,any}=P <- gb_trees:to_list(Forest0)]), - {ProtPre,[{_,ProtTree}]} = bopt_tree(Code, ProtForest0, []), - Prot = {prot,ProtPre,ProtTree}, - Forest = gb_trees:enter(Dst, Prot, Forest0), - bopt_tree(Is, Forest, Pre); + case bopt_tree(Code, ProtForest0, []) of + {ProtPre,[{_,ProtTree}]} -> + Prot = {prot,ProtPre,ProtTree}, + Forest = gb_trees:enter(Dst, Prot, Forest0), + bopt_tree(Is, Forest, Pre); + _Res -> + throw(not_boolean_expr) + end; bopt_tree([{set,[Dst],[Src],move}=Move|Is], Forest, Pre) -> case {Src,Dst} of {{tmp,_},_} -> throw(move); @@ -432,9 +438,10 @@ bopt_bool_args(As, Forest) -> mapfoldl(fun bopt_bool_arg/2, Forest, As). bopt_bool_arg({T,_}=R, Forest) when T =:= x; T =:= y; T =:= tmp -> - Val = case gb_trees:get(R, Forest) of - any -> {test,is_eq_exact,fail,[R,{atom,true}]}; - Val0 -> Val0 + Val = case gb_trees:lookup(R, Forest) of + {value,any} -> {test,is_eq_exact,fail,[R,{atom,true}]}; + {value,Val0} -> Val0; + none -> throw(mixed) end, {Val,gb_trees:delete(R, Forest)}; bopt_bool_arg(Term, Forest) -> @@ -525,7 +532,9 @@ bopt_cg({prot,Pre0,Tree}, Fail, Rs0, Acc, St0) -> bopt_cg({atom,true}, _Fail, _Rs, Acc, St) -> {Acc,St}; bopt_cg({atom,false}, Fail, _Rs, Acc, St) -> - {[{jump,{f,Fail}}|Acc],St}. + {[{jump,{f,Fail}}|Acc],St}; +bopt_cg(_, _, _, _, _) -> + throw(not_boolean_expr). bopt_cg_not({'and',As0}) -> As = [bopt_cg_not(A) || A <- As0], @@ -538,7 +547,9 @@ bopt_cg_not({'not',Arg}) -> bopt_cg_not({test,Test,Fail,As}) -> {inverted_test,Test,Fail,As}; bopt_cg_not({atom,Bool}) when is_boolean(Bool) -> - {atom,not Bool}. + {atom,not Bool}; +bopt_cg_not(_) -> + throw(not_boolean_expr). bopt_cg_not_not({'and',As}) -> {'and',[bopt_cg_not_not(A) || A <- As]}; diff --git a/lib/compiler/src/beam_jump.erl b/lib/compiler/src/beam_jump.erl index 0fc8d45c80..b952139f2c 100644 --- a/lib/compiler/src/beam_jump.erl +++ b/lib/compiler/src/beam_jump.erl @@ -446,11 +446,13 @@ is_label_used_in_2({set,_,_,Info}, Lbl) -> case Info of {bif,_,{f,F}} -> F =:= Lbl; {alloc,_,{gc_bif,_,{f,F}}} -> F =:= Lbl; + {alloc,_,{put_map,_,{f,F}}} -> F =:= Lbl; {'catch',{f,F}} -> F =:= Lbl; {alloc,_,_} -> false; {put_tuple,_} -> false; {get_tuple_element,_} -> false; {set_tuple_element,_} -> false; + {get_map_elements,{f,F}} -> F =:= Lbl; {line,_} -> false; _ when is_atom(Info) -> false end. diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index 27034aecce..8ca368c167 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -748,6 +748,8 @@ live_opt([{try_end,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{loop_rec_end,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); +live_opt([{wait_timeout,_,nil}=I|Is], Regs, D, Acc) -> + live_opt(Is, Regs, D, [I|Acc]); live_opt([{wait_timeout,_,{Tag,_}}=I|Is], Regs, D, Acc) when Tag =/= x -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{line,_}=I|Is], Regs, D, Acc) -> diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl index 3c121f3b04..ecc4b2c9b1 100644 --- a/lib/compiler/src/cerl.erl +++ b/lib/compiler/src/cerl.erl @@ -124,9 +124,9 @@ %% keep map exports here for now map_es/1, - map_val/1, + map_arg/1, update_c_map/3, - ann_c_map/3, + ann_c_map/2, ann_c_map/3, map_pair_op/1,map_pair_key/1,map_pair_val/1, update_c_map_pair/4, ann_c_map_pair/4 @@ -135,6 +135,9 @@ -export_type([c_binary/0, c_call/0, c_clause/0, c_cons/0, c_fun/0, c_literal/0, c_module/0, c_tuple/0, c_values/0, c_var/0, cerl/0, var_name/0]). +%% HiPE does not understand Maps +%% (guard functions is_map/1 and map_size/1 in ann_c_map/3) +-compile(no_native). %% %% needed by the include file below -- do not move %% @@ -1575,20 +1578,70 @@ ann_make_list(_, [], Node) -> %% --------------------------------------------------------------------- %% maps --spec map_es(c_map()) -> [cerl()]. +-spec map_es(c_map()) -> [c_map_pair()]. map_es(#c_map{es = Es}) -> Es. --spec map_val(c_map()) -> cerl(). -map_val(#c_map{var = M}) -> +-spec map_arg(c_map()) -> c_map() | c_literal(). + +map_arg(#c_map{arg = M}) -> M. +-spec ann_c_map([term()], [cerl()]) -> c_map() | c_literal(). + +ann_c_map(As,Es) -> + ann_c_map(As, #c_literal{val=#{}}, Es). + +-spec ann_c_map([term()], c_map() | c_literal(), [c_map_pair()]) -> c_map() | c_literal(). + +ann_c_map(As,#c_literal{val=Mval}=M,Es) when is_map(Mval), map_size(Mval) =:= 0 -> + Pairs = [[Ck,Cv]||#c_map_pair{key=Ck,val=Cv}<-Es], + IsLit = lists:foldl(fun(Pair,Res) -> + Res andalso is_lit_list(Pair) + end, true, Pairs), + Fun = fun(Pair) -> [K,V] = lit_list_vals(Pair), {K,V} end, + case IsLit of + false -> + #c_map{arg=M, es=Es, anno=As }; + true -> + #c_literal{anno=As, val=maps:from_list(lists:map(Fun, Pairs))} + end; +ann_c_map(As,#c_literal{val=M},Es) when is_map(M) -> + fold_map_pairs(As,Es,M); ann_c_map(As,M,Es) -> - #c_map{var=M,es = Es, anno = As }. + #c_map{arg=M, es=Es, anno=As }. + +fold_map_pairs(As,[],M) -> #c_literal{anno=As,val=M}; +%% M#{ K => V} +fold_map_pairs(As,[#c_map_pair{op=#c_literal{val=assoc},key=Ck,val=Cv}=E|Es],M) -> + case is_lit_list([Ck,Cv]) of + true -> + [K,V] = lit_list_vals([Ck,Cv]), + fold_map_pairs(As,Es,maps:put(K,V,M)); + false -> + #c_map{arg=#c_literal{val=M,anno=As}, es=[E|Es], anno=As } + end; +%% M#{ K := V} +fold_map_pairs(As,[#c_map_pair{op=#c_literal{val=exact},key=Ck,val=Cv}=E|Es],M) -> + case is_lit_list([Ck,Cv]) of + true -> + [K,V] = lit_list_vals([Ck,Cv]), + case maps:is_key(K,M) of + true -> fold_map_pairs(As,Es,maps:put(K,V,M)); + false -> + #c_map{arg=#c_literal{val=M,anno=As}, es=[E|Es], anno=As } + end; + false -> + #c_map{arg=#c_literal{val=M,anno=As}, es=[E|Es], anno=As } + end; +fold_map_pairs(As,Es,M) -> + #c_map{arg=#c_literal{val=M,anno=As}, es=Es, anno=As }. + +%-spec update_c_map(c_map() | c_literal(), [c_map_pair()]) -> c_map() | c_literal(). update_c_map(Old,M,Es) -> - #c_map{var=M, es = Es, anno = get_ann(Old)}. + #c_map{arg=M, es = Es, anno = get_ann(Old)}. map_pair_key(#c_map_pair{key=K}) -> K. map_pair_val(#c_map_pair{val=V}) -> V. diff --git a/lib/compiler/src/cerl_clauses.erl b/lib/compiler/src/cerl_clauses.erl index 99fa8dd9d5..87bd47c08b 100644 --- a/lib/compiler/src/cerl_clauses.erl +++ b/lib/compiler/src/cerl_clauses.erl @@ -354,6 +354,29 @@ match(P, E, Bs) -> {false, Bs} end end; + map -> + %% The most we can do is to say "definitely no match" if a + %% map pattern is matched against non-map data. + case E of + any -> + {false, Bs}; + _ -> + case type(E) of + literal -> + case is_map(concrete(E)) of + false -> + none; + true -> + {false, Bs} + end; + cons -> + none; + tuple -> + none; + _ -> + {false, Bs} + end + end; _ -> match_1(P, E, Bs) end. diff --git a/lib/compiler/src/cerl_inline.erl b/lib/compiler/src/cerl_inline.erl index 44293bb8ce..75740e8b9d 100644 --- a/lib/compiler/src/cerl_inline.erl +++ b/lib/compiler/src/cerl_inline.erl @@ -42,7 +42,7 @@ bitstr_flags/1, binary_segments/1, update_c_alias/3, update_c_apply/3, update_c_binary/2, update_c_bitstr/6, update_c_call/4, update_c_case/3, update_c_catch/2, - update_c_clause/4, c_fun/2, c_int/1, c_let/3, + update_c_clause/4, c_fun/2, c_int/1, c_let/3, ann_c_let/4, update_c_let/4, update_c_letrec/3, update_c_module/5, update_c_primop/3, update_c_receive/4, update_c_seq/3, c_seq/2, update_c_try/6, c_tuple/1, update_c_values/2, @@ -51,7 +51,7 @@ catch_body/1, clause_body/1, clause_guard/1, clause_pats/1, clause_vars/1, concrete/1, cons_hd/1, cons_tl/1, data_arity/1, data_es/1, data_type/1, - fun_body/1, fun_vars/1, get_ann/1, int_val/1, + fname_arity/1, fun_body/1, fun_vars/1, get_ann/1, int_val/1, is_c_atom/1, is_c_cons/1, is_c_fname/1, is_c_int/1, is_c_list/1, is_c_seq/1, is_c_tuple/1, is_c_var/1, is_data/1, is_literal/1, is_literal_term/1, let_arg/1, @@ -64,7 +64,7 @@ seq_body/1, set_ann/2, try_arg/1, try_body/1, try_vars/1, try_evars/1, try_handler/1, tuple_es/1, tuple_arity/1, type/1, values_es/1, var_name/1, - map_val/1, map_es/1, update_c_map/3, + map_arg/1, map_es/1, update_c_map/3, update_c_map_pair/4, map_pair_op/1, map_pair_key/1, map_pair_val/1 ]). @@ -1030,8 +1030,17 @@ i_apply(E, Ctxt, Ren, Env, S) -> visit_and_count_size(Opnd, S) end, S3, Opnds), - N = apply_size(length(Es)), - {update_c_apply(E, E1, Es), count_size(N, S4)} + Arity = length(Es), + E2 = case is_c_fname(E1) andalso length(Es) =/= fname_arity(E1) of + true -> + V = new_var(Env), + ann_c_let(get_ann(E), [V], E1, + update_c_apply(E, V, Es)); + false -> + update_c_apply(E, E1, Es) + end, + N = apply_size(Arity), + {E2, count_size(N, S4)} end. apply_size(A) -> @@ -1334,7 +1343,7 @@ i_bitstr(E, Ren, Env, S) -> i_map(E, Ctx, Ren, Env, S) -> %% Visit the segments for value. - {M1, S1} = i(map_val(E), value, Ren, Env, S), + {M1, S1} = i(map_arg(E), value, Ren, Env, S), {Es, S2} = mapfoldl(fun (E, S) -> i_map_pair(E, Ctx, Ren, Env, S) end, S1, map_es(E)), @@ -1411,8 +1420,8 @@ i_pattern(E, Ren, Env, Ren0, Env0, S) -> S2 = count_size(weight(binary), S1), {update_c_binary(E, Es), S2}; map -> - %% map patterns should not have vals - M = map_val(E), + %% map patterns should not have args + M = map_arg(E), {Es, S1} = mapfoldl(fun (E, S) -> i_map_pair_pattern(E, Ren, Env, Ren0, Env0, S) diff --git a/lib/compiler/src/cerl_trees.erl b/lib/compiler/src/cerl_trees.erl index 2ebeab243f..e53bdd4efb 100644 --- a/lib/compiler/src/cerl_trees.erl +++ b/lib/compiler/src/cerl_trees.erl @@ -57,7 +57,7 @@ update_c_try/6, update_c_tuple/2, update_c_tuple_skel/2, update_c_values/2, values_es/1, var_name/1, - map_val/1, map_es/1, + map_arg/1, map_es/1, ann_c_map/3, update_c_map/3, map_pair_key/1,map_pair_val/1,map_pair_op/1, @@ -138,7 +138,7 @@ map_1(F, T) -> tuple -> update_c_tuple_skel(T, map_list(F, tuple_es(T))); map -> - update_c_map(T, map(F,map_val(T)), map_list(F, map_es(T))); + update_c_map(T, map(F, map_arg(T)), map_list(F, map_es(T))); map_pair -> update_c_map_pair(T, map(F, map_pair_op(T)), map(F, map_pair_key(T)), @@ -372,7 +372,7 @@ mapfold(F, S0, T) -> {Ts, S1} = mapfold_list(F, S0, tuple_es(T)), F(update_c_tuple_skel(T, Ts), S1); map -> - {M , S1} = mapfold(F, S0, map_val(T)), + {M , S1} = mapfold(F, S0, map_arg(T)), {Ts, S2} = mapfold_list(F, S1, map_es(T)), F(update_c_map(T, M, Ts), S2); map_pair -> @@ -724,7 +724,7 @@ label(T, N, Env) -> {As, N2} = label_ann(T, N1), {ann_c_tuple_skel(As, Ts), N2}; map -> - {M, N1} = label(map_val(T), N, Env), + {M, N1} = label(map_arg(T), N, Env), {Ts, N2} = label_list(map_es(T), N1, Env), {As, N3} = label_ann(T, N2), {ann_c_map(As, M, Ts), N3}; diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index b88f9792a5..9030dd998b 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -246,7 +246,7 @@ format_error_reason({Reason, Stack}) when is_list(Stack) -> end, FormatFun = fun (Term, _) -> io_lib:format("~tp", [Term]) end, [io_lib:format("~tp", [Reason]),"\n\n", - lib:format_stacktrace(1, erlang:get_stacktrace(), StackFun, FormatFun)]; + lib:format_stacktrace(1, Stack, StackFun, FormatFun)]; format_error_reason(Reason) -> io_lib:format("~tp", [Reason]). diff --git a/lib/compiler/src/core_lib.erl b/lib/compiler/src/core_lib.erl index ed181e3baa..93ec3bbad5 100644 --- a/lib/compiler/src/core_lib.erl +++ b/lib/compiler/src/core_lib.erl @@ -105,7 +105,7 @@ vu_expr(V, #c_cons{hd=H,tl=T}) -> vu_expr(V, H) orelse vu_expr(V, T); vu_expr(V, #c_tuple{es=Es}) -> vu_expr_list(V, Es); -vu_expr(V, #c_map{var=M,es=Es}) -> +vu_expr(V, #c_map{arg=M,es=Es}) -> vu_expr(V, M) orelse vu_expr_list(V, Es); vu_expr(V, #c_map_pair{key=Key,val=Val}) -> vu_expr_list(V, [Key,Val]); diff --git a/lib/compiler/src/core_lint.erl b/lib/compiler/src/core_lint.erl index 36165245a6..25df33a287 100644 --- a/lib/compiler/src/core_lint.erl +++ b/lib/compiler/src/core_lint.erl @@ -267,10 +267,21 @@ gexpr(#c_let{vars=Vs,arg=Arg,body=B}, Def, Rt, St0) -> St1 = gbody(Arg, Def, let_varcount(Vs), St0), %This is a guard body {Lvs,St2} = variable_list(Vs, St1), gbody(B, union(Lvs, Def), Rt, St2); -gexpr(#c_call{module=#c_literal{val=erlang}, - name=#c_literal{}, - args=As}, Def, 1, St) -> - gexpr_list(As, Def, St); +gexpr(#c_call{module=#c_literal{val=erlang},name=#c_literal{val=is_record}, + args=[Arg,#c_literal{val=Tag},#c_literal{val=Size}]}, + Def, 1, St) when is_atom(Tag), is_integer(Size) -> + gexpr(Arg, Def, 1, St); +gexpr(#c_call{module=#c_literal{val=erlang},name=#c_literal{val=is_record}}, + _Def, 1, St) -> + add_error({illegal_guard,St#lint.func}, St); +gexpr(#c_call{module=#c_literal{val=erlang},name=#c_literal{val=Name},args=As}, + Def, 1, St) when is_atom(Name) -> + case is_guard_bif(Name, length(As)) of + true -> + gexpr_list(As, Def, St); + false -> + add_error({illegal_guard,St#lint.func}, St) + end; gexpr(#c_primop{name=#c_literal{val=A},args=As}, Def, _Rt, St0) when is_atom(A) -> gexpr_list(As, Def, St0); gexpr(#c_try{arg=E,vars=[#c_var{name=X}],body=#c_var{name=X}, @@ -298,6 +309,14 @@ gbitstr_list(Es, Def, St0) -> gbitstr(#c_bitstr{val=V,size=S}, Def, St) -> gexpr_list([V,S], Def, St). +%% is_guard_bif(Name, Arity) -> Boolean. + +is_guard_bif(Name, Arity) -> + erl_internal:guard_bif(Name, Arity) + orelse erl_internal:arith_op(Name, Arity) + orelse erl_internal:bool_op(Name, Arity) + orelse erl_internal:comp_op(Name, Arity). + %% expr(Expr, Defined, RetCount, State) -> State. expr(#c_var{name={_,_}=FA}, Def, _Rt, St) -> diff --git a/lib/compiler/src/core_parse.hrl b/lib/compiler/src/core_parse.hrl index d54715ef59..20f3a46991 100644 --- a/lib/compiler/src/core_parse.hrl +++ b/lib/compiler/src/core_parse.hrl @@ -103,5 +103,5 @@ val}). -record(c_map, {anno=[], - var=#c_literal{val=[]} :: #c_var{} | #c_literal{}, + arg=#c_literal{val=#{}} :: #c_var{} | #c_literal{}, es :: [#c_map_pair{}]}). diff --git a/lib/compiler/src/core_parse.yrl b/lib/compiler/src/core_parse.yrl index b8db0f683a..a66ad4235f 100644 --- a/lib/compiler/src/core_parse.yrl +++ b/lib/compiler/src/core_parse.yrl @@ -21,7 +21,7 @@ %% Have explicit productions for annotated phrases named anno_XXX. %% This just does an XXX and adds the annotation. -Expect 1. +Expect 0. Nonterminals @@ -285,9 +285,9 @@ tuple -> '{' '}' : c_tuple([]). tuple -> '{' anno_expressions '}' : c_tuple('$2'). map_expr -> '~' '{' '}' '~' : #c_map{es=[]}. -map_expr -> '~' '{' map_pairs '}' '~' : #c_map{es='$3'}. -map_expr -> variable '~' '{' '}' '~' : #c_map{var='$1',es=[]}. -map_expr -> variable '~' '{' map_pairs '}' '~' : #c_map{var='$1',es='$4'}. +map_expr -> '~' '{' map_pairs '}' '~' : #c_map{es='$3'}. +map_expr -> '~' '{' map_pairs '|' variable '}' '~' : #c_map{arg='$5',es='$3'}. +map_expr -> '~' '{' map_pairs '|' map_expr '}' '~' : #c_map{arg='$5',es='$3'}. map_pairs -> map_pair : ['$1']. map_pairs -> map_pair ',' map_pairs : ['$1' | '$3']. diff --git a/lib/compiler/src/core_pp.erl b/lib/compiler/src/core_pp.erl index faa26ec6df..a76327457d 100644 --- a/lib/compiler/src/core_pp.erl +++ b/lib/compiler/src/core_pp.erl @@ -118,6 +118,12 @@ format_1(#c_literal{val=Tuple}, Ctxt) when is_tuple(Tuple) -> format_1(#c_literal{anno=A,val=Bitstring}, Ctxt) when is_bitstring(Bitstring) -> Segs = segs_from_bitstring(Bitstring), format_1(#c_binary{anno=A,segments=Segs}, Ctxt); +format_1(#c_literal{anno=A,val=M},Ctxt) when is_map(M) -> + Pairs = maps:to_list(M), + Cpairs = [#c_map_pair{op=#c_literal{val=assoc}, + key=#c_literal{val=V}, + val=#c_literal{val=K}} || {K,V} <- Pairs], + format_1(#c_map{anno=A,arg=#c_literal{val=#{}},es=Cpairs},Ctxt); format_1(#c_var{name={I,A}}, _) -> [core_atom(I),$/,integer_to_list(A)]; format_1(#c_var{name=V}, _) -> @@ -161,15 +167,15 @@ format_1(#c_tuple{es=Es}, Ctxt) -> format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2), $} ]; -format_1(#c_map{var=#c_var{}=Var,es=Es}, Ctxt) -> - [format_1(Var, Ctxt), - "~{", +format_1(#c_map{arg=#c_literal{val=M},es=Es}, Ctxt) when is_map(M),map_size(M)=:=0 -> + ["~{", format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2), "}~" ]; -format_1(#c_map{es=Es}, Ctxt) -> +format_1(#c_map{arg=Var,es=Es}, Ctxt) -> ["~{", format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2), + "|",format(Var, add_indent(Ctxt, 1)), "}~" ]; format_1(#c_map_pair{op=#c_literal{val=assoc},key=K,val=V}, Ctxt) -> diff --git a/lib/compiler/src/erl_bifs.erl b/lib/compiler/src/erl_bifs.erl index 3ad3c8c690..6c75538194 100644 --- a/lib/compiler/src/erl_bifs.erl +++ b/lib/compiler/src/erl_bifs.erl @@ -91,6 +91,7 @@ is_pure(erlang, is_float, 1) -> true; is_pure(erlang, is_function, 1) -> true; is_pure(erlang, is_integer, 1) -> true; is_pure(erlang, is_list, 1) -> true; +is_pure(erlang, is_map, 1) -> true; is_pure(erlang, is_number, 1) -> true; is_pure(erlang, is_pid, 1) -> true; is_pure(erlang, is_port, 1) -> true; diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index eb9c302334..52d6dfe184 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -72,7 +72,7 @@ -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]). --import(cerl, [ann_c_cons/3,ann_c_tuple/2]). +-import(cerl, [ann_c_cons/3,ann_c_map/3,ann_c_tuple/2]). -include("core_parse.hrl"). @@ -246,7 +246,7 @@ expr(#c_tuple{anno=Anno,es=Es0}=Tuple, Ctxt, Sub) -> value -> ann_c_tuple(Anno, Es) end; -expr(#c_map{var=V0,es=Es0}=Map, Ctxt, Sub) -> +expr(#c_map{anno=Anno,arg=V0,es=Es0}=Map, Ctxt, Sub) -> Es = pair_list(Es0, Ctxt, Sub), case Ctxt of effect -> @@ -254,7 +254,7 @@ expr(#c_map{var=V0,es=Es0}=Map, Ctxt, Sub) -> expr(make_effect_seq(Es, Sub), Ctxt, Sub); value -> V = expr(V0, Ctxt, Sub), - Map#c_map{var=V,es=Es} + ann_c_map(Anno,V,Es) end; expr(#c_binary{segments=Ss}=Bin0, Ctxt, Sub) -> %% Warn for useless building, but always build the binary @@ -1378,6 +1378,7 @@ eval_is_record(Call, _, _, _, _) -> Call. is_not_integer(#c_literal{val=Val}) when not is_integer(Val) -> true; is_not_integer(#c_tuple{}) -> true; is_not_integer(#c_cons{}) -> true; +is_not_integer(#c_map{}) -> true; is_not_integer(_) -> false. %% is_not_tuple(Core) -> true | false. @@ -1385,6 +1386,7 @@ is_not_integer(_) -> false. is_not_tuple(#c_literal{val=Val}) when not is_tuple(Val) -> true; is_not_tuple(#c_cons{}) -> true; +is_not_tuple(#c_map{}) -> true; is_not_tuple(_) -> false. %% eval_setelement(Call, Pos, Tuple, NewVal) -> Core. @@ -1810,9 +1812,14 @@ opt_bool_clauses([#c_clause{pats=[#c_literal{val=Lit}], true -> %% This clause will match. C = C0#c_clause{body=opt_bool_case(B)}, - case Lit of - false -> [C|opt_bool_clauses(Cs, SeenT, true)]; - true -> [C|opt_bool_clauses(Cs, true, SeenF)] + case {Lit,SeenT,SeenF} of + {false,_,false} -> + [C|opt_bool_clauses(Cs, SeenT, true)]; + {true,false,_} -> + [C|opt_bool_clauses(Cs, true, SeenF)]; + _ -> + add_warning(C, nomatch_shadow), + opt_bool_clauses(Cs, SeenT, SeenF) end end; opt_bool_clauses([#c_clause{pats=Ps,guard=#c_literal{val=true}}=C|Cs], SeenT, SeenF) -> @@ -2346,16 +2353,31 @@ is_safe_bool_expr(Core, Sub) -> is_safe_bool_expr_1(Core, Sub, gb_sets:empty()). is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, - name=#c_literal{val=is_record}, - args=[_,_]}, - _Sub, _BoolVars) -> + name=#c_literal{val=is_record}, + args=[A,#c_literal{val=Tag},#c_literal{val=Size}]}, + Sub, _BoolVars) when is_atom(Tag), is_integer(Size) -> + is_safe_simple(A, Sub); +is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, + name=#c_literal{val=is_record}}, + _Sub, _BoolVars) -> %% The is_record/2 BIF is NOT allowed in guards. + %% The is_record/3 BIF where its second argument is not an atom or its third + %% is not an integer is NOT allowed in guards. %% %% NOTE: Calls like is_record(Expr, LiteralTag), where LiteralTag %% is a literal atom referring to a defined record, have already %% been rewritten to is_record(Expr, LiteralTag, TupleSize). false; is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, + name=#c_literal{val=is_function}, + args=[A,#c_literal{val=Arity}]}, + Sub, _BoolVars) when is_integer(Arity), Arity >= 0 -> + is_safe_simple(A, Sub); +is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, + name=#c_literal{val=is_function}}, + _Sub, _BoolVars) -> + false; +is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, name=#c_literal{val=Name},args=Args}, Sub, BoolVars) -> NumArgs = length(Args), diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl index 9998043013..91a46a20fe 100644 --- a/lib/compiler/src/sys_pre_expand.erl +++ b/lib/compiler/src/sys_pre_expand.erl @@ -331,9 +331,10 @@ expr({tuple,Line,Es0}, St0) -> expr({map,Line,Es0}, St0) -> {Es1,St1} = expr_list(Es0, St0), {{map,Line,Es1},St1}; -expr({map,Line,Var,Es0}, St0) -> - {Es1,St1} = expr_list(Es0, St0), - {{map,Line,Var,Es1},St1}; +expr({map,Line,E0,Es0}, St0) -> + {E1,St1} = expr(E0, St0), + {Es1,St2} = expr_list(Es0, St1), + {{map,Line,E1,Es1},St2}; expr({map_field_assoc,Line,K0,V0}, St0) -> {K,St1} = expr(K0, St0), {V,St2} = expr(V0, St1), diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl index e00ee1f3ad..f1331d1fe7 100644 --- a/lib/compiler/src/v3_codegen.erl +++ b/lib/compiler/src/v3_codegen.erl @@ -1551,7 +1551,11 @@ map_pair_strip_and_termsort(Es) -> %% [{map_pair,K,V}] %% where K is for example {integer, 1} and we want to sort on 1. Ls = [{K,V}||{_,K,V}<-Es], - lists:sort(fun({{_,A},_},{{_,B},_}) -> erts_internal:cmp_term(A,B) < 0 end, Ls). + lists:sort(fun ({{_,A},_}, {{_,B},_}) -> erts_internal:cmp_term(A,B) =< 0; + ({nil,_}, {{_,B},_}) -> [] =< B; + ({{_,A},_}, {nil,_}) -> A =< []; + ({nil,_}, {nil,_}) -> true + end, Ls). %%% %%% Code generation for constructing binaries. diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index a50b46bd7b..082809b8a0 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -77,7 +77,8 @@ splitwith/2,keyfind/3,sort/1,foreach/2,droplast/1,last/1]). -import(ordsets, [add_element/2,del_element/2,is_element/2, union/1,union/2,intersection/2,subtract/2]). --import(cerl, [ann_c_cons/3,ann_c_cons_skel/3,ann_c_tuple/2,c_tuple/1]). +-import(cerl, [ann_c_cons/3,ann_c_cons_skel/3,ann_c_tuple/2,c_tuple/1, + ann_c_map/2, ann_c_map/3]). -include("core_parse.hrl"). @@ -274,51 +275,67 @@ gexpr({op,L,'orelse',E1,E2}, Bools, St0) -> True = {atom,L,true}, E = make_bool_switch_guard(L, E1, V, True, E2), gexpr(E, Bools, St); -gexpr({op,Line,Op,L,R}=Call, Bools0, St0) -> +gexpr({op,Line,Op,L,R}=E, Bools, St) -> case erl_internal:bool_op(Op, 2) of - true -> - {Le,Lps,Bools1,St1} = gexpr(L, Bools0, St0), - {Ll,Llps,St2} = force_safe(Le, St1), - {Re,Rps,Bools,St3} = gexpr(R, Bools1, St2), - {Rl,Rlps,St4} = force_safe(Re, St3), - Anno = lineno_anno(Line, St4), - {#icall{anno=#a{anno=Anno}, %Must have an #a{} - module=#c_literal{anno=Anno,val=erlang}, - name=#c_literal{anno=Anno,val=Op}, - args=[Ll,Rl]},Lps ++ Llps ++ Rps ++ Rlps,Bools,St4}; - false -> - gexpr_test(Call, Bools0, St0) + true -> + gexpr_bool(Op, L, R, Bools, St, Line); + false -> + gexpr_test(E, Bools, St) end; -gexpr({op,Line,Op,A}=Call, Bools0, St0) -> - case Op of - 'not' -> - {Ae0,Aps,Bools,St1} = gexpr(A, Bools0, St0), - case Ae0 of - #icall{module=#c_literal{val=erlang}, - name=#c_literal{val='=:='}, - args=[E,#c_literal{val=true}]}=EqCall -> - %% - %% Doing the following transformation - %% not(Expr =:= true) ==> Expr =:= false - %% will help eliminating redundant is_boolean/1 tests. - %% - Ae = EqCall#icall{args=[E,#c_literal{val=false}]}, - {Al,Alps,St2} = force_safe(Ae, St1), - {Al,Aps ++ Alps,Bools,St2}; - Ae -> - {Al,Alps,St2} = force_safe(Ae, St1), - Anno = lineno_anno(Line, St2), - {#icall{anno=#a{anno=Anno}, %Must have an #a{} - module=#c_literal{anno=Anno,val=erlang}, - name=#c_literal{anno=Anno,val=Op}, - args=[Al]},Aps ++ Alps,Bools,St2} - end; - _ -> - gexpr_test(Call, Bools0, St0) +gexpr({call,Line,{remote,_,{atom,_,erlang},{atom,_,Op}},[L,R]}=E, Bools, St) -> + case erl_internal:bool_op(Op, 2) of + true -> + gexpr_bool(Op, L, R, Bools, St, Line); + false -> + gexpr_test(E, Bools, St) end; +gexpr({op,Line,'not',A}, Bools, St) -> + gexpr_not(A, Bools, St, Line); +gexpr({call,Line,{remote,_,{atom,_,erlang},{atom,_,'not'}},[A]}, Bools, St) -> + gexpr_not(A, Bools, St, Line); gexpr(E0, Bools, St0) -> gexpr_test(E0, Bools, St0). +%% gexpr_not(L, R, Bools, State) -> {Cexpr,[PreExp],Bools,State}. +%% Generate a guard for boolean operators + +gexpr_bool(Op, L, R, Bools0, St0, Line) -> + {Le,Lps,Bools1,St1} = gexpr(L, Bools0, St0), + {Ll,Llps,St2} = force_safe(Le, St1), + {Re,Rps,Bools,St3} = gexpr(R, Bools1, St2), + {Rl,Rlps,St4} = force_safe(Re, St3), + Anno = lineno_anno(Line, St4), + {#icall{anno=#a{anno=Anno}, %Must have an #a{} + module=#c_literal{anno=Anno,val=erlang}, + name=#c_literal{anno=Anno,val=Op}, + args=[Ll,Rl]},Lps ++ Llps ++ Rps ++ Rlps,Bools,St4}. + +%% gexpr_not(Expr, Bools, State) -> {Cexpr,[PreExp],Bools,State}. +%% Generate an erlang:'not'/1 guard test. + +gexpr_not(A, Bools0, St0, Line) -> + {Ae0,Aps,Bools,St1} = gexpr(A, Bools0, St0), + case Ae0 of + #icall{module=#c_literal{val=erlang}, + name=#c_literal{val='=:='}, + args=[E,#c_literal{val=true}]}=EqCall -> + %% + %% Doing the following transformation + %% not(Expr =:= true) ==> Expr =:= false + %% will help eliminating redundant is_boolean/1 tests. + %% + Ae = EqCall#icall{args=[E,#c_literal{val=false}]}, + {Al,Alps,St2} = force_safe(Ae, St1), + {Al,Aps ++ Alps,Bools,St2}; + Ae -> + {Al,Alps,St2} = force_safe(Ae, St1), + Anno = lineno_anno(Line, St2), + {#icall{anno=#a{anno=Anno}, %Must have an #a{} + module=#c_literal{anno=Anno,val=erlang}, + name=#c_literal{anno=Anno,val='not'}, + args=[Al]},Aps ++ Alps,Bools,St2} + end. + %% gexpr_test(Expr, Bools, State) -> {Cexpr,[PreExp],Bools,State}. %% Generate a guard test. At this stage we must be sure that we have %% a proper boolean value here so wrap things with an true test if we @@ -335,7 +352,8 @@ gexpr_test(E0, Bools0, St0) -> #icall{anno=Anno,module=#c_literal{val=erlang},name=#c_literal{val=N},args=As} -> Ar = length(As), case erl_internal:type_test(N, Ar) orelse - erl_internal:comp_op(N, Ar) of + erl_internal:comp_op(N, Ar) orelse + erl_internal:bool_op(N, Ar) of true -> {E1,Eps0,Bools0,St1}; false -> Lanno = Anno#a.anno, @@ -498,12 +516,20 @@ expr({map,L,Es0}, St0) -> % in map construction. {Es1,Eps,St1} = map_pair_list(Es0, St0), A = lineno_anno(L, St1), - {#c_map{anno=A,es=Es1},Eps,St1}; + {ann_c_map(A,Es1),Eps,St1}; expr({map,L,M0,Es0}, St0) -> - {M1,Mps,St1} = safe(M0, St0), - {Es1,Eps,St2} = map_pair_list(Es0, St1), - A = lineno_anno(L, St2), - {#c_map{anno=A,var=M1,es=Es1},Mps++Eps,St2}; + try expr_map(M0,Es0,lineno_anno(L, St0),St0) of + {_,_,_}=Res -> Res + catch + throw:bad_map -> + St = add_warning(L, bad_map, 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({bin,L,Es0}, St0) -> try expr_bin(Es0, lineno_anno(L, St0), St0) of {_,_,_}=Res -> Res @@ -623,7 +649,7 @@ expr({call,Lc,{atom,Lf,F},As0}, St0) -> Op = #c_var{anno=lineno_anno(Lf, St1),name={F,length(As1)}}, {#iapply{anno=#a{anno=lineno_anno(Lc, St1)},op=Op,args=As1},Aps,St1}; expr({call,L,FunExp,As0}, St0) -> - {Fun,Fps,St1} = safe(FunExp, St0), + {Fun,Fps,St1} = safe_fun(length(As0), FunExp, St0), {As1,Aps,St2} = safe_list(As0, St1), Lanno = lineno_anno(L, St2), {#iapply{anno=#a{anno=Lanno},op=Fun,args=As1},Fps ++ Aps,St2}; @@ -713,6 +739,37 @@ make_bool_switch_guard(L, E, V, T, F) -> {clause,NegL,[V],[],[V]} ]}. +expr_map(M0,Es0,A,St0) -> + {M1,Mps,St1} = safe(M0, St0), + case is_valid_map_src(M1) of + true -> + case {M1,Es0} of + {#c_var{}, []} -> + %% transform M#{} to is_map(M) + {Vpat,St2} = new_var(St1), + {Fpat,St3} = new_var(St2), + Cs = [#iclause{ + anno=A, + pats=[Vpat], + guard=[#icall{anno=#a{anno=A}, + module=#c_literal{anno=A,val=erlang}, + name=#c_literal{anno=A,val=is_map}, + args=[Vpat]}], + body=[Vpat]}], + Fc = fail_clause([Fpat], A, #c_literal{val=badarg}), + {#icase{anno=#a{anno=A},args=[M1],clauses=Cs,fc=Fc},Mps,St3}; + {_,_} -> + {Es1,Eps,St2} = map_pair_list(Es0, St1), + {ann_c_map(A,M1,Es1),Mps++Eps,St2} + end; + false -> throw(bad_map) + end. + +is_valid_map_src(#c_literal{val = M}) when is_map(M) -> true; +is_valid_map_src(#c_map{}) -> true; +is_valid_map_src(#c_var{}) -> true; +is_valid_map_src(_) -> false. + map_pair_list(Es, St) -> foldr(fun ({map_field_assoc,L,K0,V0}, {Ces,Esp,St0}) -> @@ -1408,6 +1465,15 @@ safe(E0, St0) -> {Se,Sps,St2} = force_safe(E1, St1), {Se,Eps ++ Sps,St2}. +safe_fun(A0, E0, St0) -> + case safe(E0, St0) of + {#c_var{name={_,A1}}=E1,Eps,St1} when A1 =/= A0 -> + {V,St2} = new_var(St1), + {V,Eps ++ [#iset{var=V,arg=E1}],St2}; + Result -> + Result + end. + safe_list(Es, St) -> foldr(fun (E, {Ces,Esp,St0}) -> {Ce,Ep,St1} = safe(E, St0), @@ -1756,13 +1822,16 @@ uexpr(#iletrec{anno=A,defs=Fs0,body=B0}, Ks, St0) -> {B1,St2} = uexprs(B0, Ks, St1), Used = used_in_any(map(fun ({_,F}) -> F end, Fs1) ++ B1), {#iletrec{anno=A#a{us=Used,ns=[]},defs=Fs1,body=B1},St2}; -uexpr(#icase{anno=A,args=As0,clauses=Cs0,fc=Fc0}, Ks, St0) -> +uexpr(#icase{anno=#a{anno=Anno}=A,args=As0,clauses=Cs0,fc=Fc0}, Ks, St0) -> %% As0 will never generate new variables. {As1,St1} = uexpr_list(As0, Ks, St0), {Cs1,St2} = uclauses(Cs0, Ks, St1), {Fc1,St3} = uclause(Fc0, Ks, St2), Used = union(used_in_any(As1), used_in_any(Cs1)), - New = new_in_all(Cs1), + New = case member(list_comprehension, Anno) of + true -> []; + false -> new_in_all(Cs1) + end, {#icase{anno=A#a{us=Used,ns=New},args=As1,clauses=Cs1,fc=Fc1},St3}; uexpr(#ifun{anno=A0,id=Id,vars=As,clauses=Cs0,fc=Fc0,name=Name}, Ks0, St0) -> Avs = lit_list_vars(As), @@ -2227,7 +2296,9 @@ is_simple_list(Es) -> lists:all(fun is_simple/1, Es). format_error(nomatch) -> "pattern cannot possibly match"; format_error(bad_binary) -> - "binary construction will fail because of a type mismatch". + "binary construction will fail because of a type mismatch"; +format_error(bad_map) -> + "map construction will fail because of a type mismatch". add_warning(Line, Term, #core{ws=Ws,file=[{file,File}]}=St) when Line >= 0 -> St#core{ws=[{File,[{location(Line),?MODULE,Term}]}|Ws]}; diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl index 5675572092..d3b785aa14 100644 --- a/lib/compiler/src/v3_kernel.erl +++ b/lib/compiler/src/v3_kernel.erl @@ -272,9 +272,18 @@ expr(#c_cons{anno=A,hd=Ch,tl=Ct}, Sub, St0) -> expr(#c_tuple{anno=A,es=Ces}, Sub, St0) -> {Kes,Ep,St1} = atomic_list(Ces, Sub, St0), {#k_tuple{anno=A,es=Kes},Ep,St1}; -expr(#c_map{anno=A,var=Var0,es=Ces}, Sub, St0) -> - {Var,[],St1} = expr(Var0, Sub, St0), - map_split_pairs(A, Var, Ces, Sub, St1); +expr(#c_map{anno=A,arg=Var,es=Ces}, Sub, St0) -> + try expr_map(A,Var,Ces,Sub,St0) of + {_,_,_}=Res -> Res + catch + throw:bad_map -> + St1 = add_warning(get_line(A), bad_map, A, St0), + Erl = #c_literal{val=erlang}, + Name = #c_literal{val=error}, + Args = [#c_literal{val=badarg}], + Error = #c_call{anno=A,module=Erl,name=Name,args=Args}, + expr(Error, Sub, St1) + end; expr(#c_binary{anno=A,segments=Cv}, Sub, St0) -> try atomic_bin(Cv, Sub, St0) of {Kv,Ep,St1} -> @@ -496,6 +505,21 @@ translate_match_fail_1(Anno, As, Sub, #kern{ff=FF}) -> translate_fc(Args) -> [#c_literal{val=function_clause},make_list(Args)]. +expr_map(A,Var0,Ces,Sub,St0) -> + %% An extra pass of validation of Map src because of inlining + {Var,Mps,St1} = expr(Var0, Sub, St0), + case is_valid_map_src(Var) of + true -> + {Km,Eps,St2} = map_split_pairs(A, Var, Ces, Sub, St1), + {Km,Eps++Mps,St2}; + false -> throw(bad_map) + end. + +is_valid_map_src(#k_map{}) -> true; +is_valid_map_src(#k_literal{val=M}) when is_map(M) -> true; +is_valid_map_src(#k_var{}) -> true; +is_valid_map_src(_) -> false. + map_split_pairs(A, Var, Ces, Sub, St0) -> %% two steps %% 1. force variables @@ -519,7 +543,7 @@ map_split_pairs(A, Var, Ces, Sub, St0) -> Kes1 = [#k_map_pair{key=K,val=V}||{_,{assoc,K,V}} <- Assoc], {Mvar,Em,St2} = force_atomic(#k_map{anno=A,op=assoc,var=Var,es=Kes1},St1), Kes2 = [#k_map_pair{key=K,val=V}||{_,{exact,K,V}} <- Exact], - {#k_map{anno=A,op=exact,var=Mvar,es=Kes2},Em ++ Esp,St2} + {#k_map{anno=A,op=exact,var=Mvar,es=Kes2},Esp ++ Em,St2} end. @@ -1986,7 +2010,9 @@ format_error(nomatch_shadow) -> format_error(bad_call) -> "invalid module and/or function name; this call will always fail"; format_error(bad_segment_size) -> - "binary construction will fail because of a type mismatch". + "binary construction will fail because of a type mismatch"; +format_error(bad_map) -> + "map construction will fail because of a type mismatch". add_warning(none, Term, Anno, #kern{ws=Ws}=St) -> File = get_file(Anno), diff --git a/lib/compiler/src/v3_kernel_pp.erl b/lib/compiler/src/v3_kernel_pp.erl index b4e486f97c..b33eba50eb 100644 --- a/lib/compiler/src/v3_kernel_pp.erl +++ b/lib/compiler/src/v3_kernel_pp.erl @@ -104,20 +104,26 @@ format_1(#k_tuple{es=Es}, Ctxt) -> format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2), $} ]; -format_1(#k_map{var=#k_var{}=Var,es=Es}, Ctxt) -> - [$~,${, +format_1(#k_map{var=#k_literal{val=M},op=assoc,es=Es}, Ctxt) when is_map(M), map_size(M) =:= 0 -> + ["~{", format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2), - " | ",format_1(Var, Ctxt), - $},$~ + "}~" ]; -format_1(#k_map{op=assoc,es=Es}, Ctxt) -> +format_1(#k_map{var=#k_literal{val=M},op=exact,es=Es}, Ctxt) when is_map(M), map_size(M) =:= 0 -> + ["::{", + format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2), + "}::" + ]; +format_1(#k_map{var=Var,op=assoc,es=Es}, Ctxt) -> ["~{", format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2), + " | ",format_1(Var, Ctxt), "}~" ]; -format_1(#k_map{es=Es}, Ctxt) -> +format_1(#k_map{var=Var,op=exact,es=Es}, Ctxt) -> ["::{", format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2), + " | ",format_1(Var, Ctxt), "}::" ]; format_1(#k_map_pair{key=K,val=V}, Ctxt) -> diff --git a/lib/compiler/test/andor_SUITE.erl b/lib/compiler/test/andor_SUITE.erl index 7bef0aa27c..b5408ecd8f 100644 --- a/lib/compiler/test/andor_SUITE.erl +++ b/lib/compiler/test/andor_SUITE.erl @@ -129,6 +129,10 @@ t_case_y(X, Y, Z) -> Y =:= 100 end. +-define(GUARD(E), if E -> true; + true -> false + end). + t_and_or(Config) when is_list(Config) -> ?line true = true and true, ?line false = true and false, @@ -160,11 +164,16 @@ t_and_or(Config) when is_list(Config) -> ?line true = false or id(true), ?line false = false or id(false), - ok. + True = id(true), --define(GUARD(E), if E -> true; - true -> false - end). + false = ?GUARD(erlang:'and'(bar, True)), + false = ?GUARD(erlang:'or'(bar, True)), + false = ?GUARD(erlang:'not'(erlang:'and'(bar, True))), + false = ?GUARD(erlang:'not'(erlang:'not'(erlang:'and'(bar, True)))), + + true = (fun (X = true) when X or true or X -> true end)(True), + + ok. t_andalso(Config) when is_list(Config) -> Bs = [true,false], diff --git a/lib/compiler/test/core_SUITE.erl b/lib/compiler/test/core_SUITE.erl index aa222c48de..428ad65364 100644 --- a/lib/compiler/test/core_SUITE.erl +++ b/lib/compiler/test/core_SUITE.erl @@ -24,7 +24,7 @@ dehydrated_itracer/1,nested_tries/1, seq_in_guard/1,make_effect_seq/1,eval_is_boolean/1, unsafe_case/1,nomatch_shadow/1,reversed_annos/1, - map_core_test/1,eval_case/1]). + map_core_test/1,eval_case/1,bad_boolean_guard/1]). -include_lib("test_server/include/test_server.hrl"). @@ -50,7 +50,7 @@ groups() -> [{p,test_lib:parallel(), [dehydrated_itracer,nested_tries,seq_in_guard,make_effect_seq, eval_is_boolean,unsafe_case,nomatch_shadow,reversed_annos, - map_core_test,eval_case + map_core_test,eval_case,bad_boolean_guard ]}]. @@ -77,6 +77,7 @@ end_per_group(_GroupName, Config) -> ?comp(reversed_annos). ?comp(map_core_test). ?comp(eval_case). +?comp(bad_boolean_guard). try_it(Mod, Conf) -> Src = filename:join(?config(data_dir, Conf), atom_to_list(Mod)), diff --git a/lib/compiler/test/core_SUITE_data/bad_boolean_guard.core b/lib/compiler/test/core_SUITE_data/bad_boolean_guard.core new file mode 100644 index 0000000000..318f8e3dc7 --- /dev/null +++ b/lib/compiler/test/core_SUITE_data/bad_boolean_guard.core @@ -0,0 +1,32 @@ +module 'bad_boolean_guard' ['bad_boolean_guard'/0, + 'module_info'/0, + 'module_info'/1] + attributes [] +'bad_boolean_guard'/0 = + fun () -> + apply 'f'/1 + ('true') +'f'/1 = + fun (_X_cor0) -> + case _X_cor0 of + <X> + when try + call 'erlang':'and' + ('bad', _X_cor0) + of <Try> -> + Try + catch <T,R> -> + 'false' -> + 'not_ok' + <_X_cor3> when 'true' -> + 'ok' + end +'module_info'/0 = + fun () -> + call 'erlang':'get_module_info' + ('bad_boolean_guard') +'module_info'/1 = + fun (_X_cor0) -> + call 'erlang':'get_module_info' + ('bad_boolean_guard', _X_cor0) +end
\ No newline at end of file diff --git a/lib/compiler/test/core_SUITE_data/map_core_test.core b/lib/compiler/test/core_SUITE_data/map_core_test.core index 7ece8a8bbd..2aa853d450 100644 --- a/lib/compiler/test/core_SUITE_data/map_core_test.core +++ b/lib/compiler/test/core_SUITE_data/map_core_test.core @@ -67,7 +67,7 @@ module 'map_core_test' ['map_core_test'/0, (Val, V) in let <_cor5> = %% Line 21 - M~{~<1337,_cor4>,~<'val',_cor2>}~ + ~{~<1337,_cor4>,~<'val',_cor2>|M}~ in %% Line 21 apply 'call'/2 (_cor5, Vs) @@ -92,4 +92,4 @@ module 'map_core_test' ['map_core_test'/0, fun (_cor0) -> call 'erlang':'get_module_info' ('map_core_test', _cor0) -end
\ No newline at end of file +end diff --git a/lib/compiler/test/core_fold_SUITE.erl b/lib/compiler/test/core_fold_SUITE.erl index 8151dc1b16..9c986576d5 100644 --- a/lib/compiler/test/core_fold_SUITE.erl +++ b/lib/compiler/test/core_fold_SUITE.erl @@ -23,7 +23,7 @@ t_element/1,setelement/1,t_length/1,append/1,t_apply/1,bifs/1, eq/1,nested_call_in_case/1,guard_try_catch/1,coverage/1, unused_multiple_values_error/1,unused_multiple_values/1, - multiple_aliases/1]). + multiple_aliases/1,redundant_boolean_clauses/1]). -export([foo/0,foo/1,foo/2,foo/3]). @@ -40,7 +40,7 @@ groups() -> [t_element,setelement,t_length,append,t_apply,bifs, eq,nested_call_in_case,guard_try_catch,coverage, unused_multiple_values_error,unused_multiple_values, - multiple_aliases]}]. + multiple_aliases,redundant_boolean_clauses]}]. init_per_suite(Config) -> @@ -365,4 +365,13 @@ run_once() -> ok. +redundant_boolean_clauses(Config) when is_list(Config) -> + X = id(0), + yes = case X == 0 of + false -> no; + false -> no; + true -> yes + end. + + id(I) -> I. diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl index e35692efd1..25b7f677b5 100644 --- a/lib/compiler/test/fun_SUITE.erl +++ b/lib/compiler/test/fun_SUITE.erl @@ -21,7 +21,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1, - external/1,eep37/1]). + external/1,eep37/1,badarity/1]). %% Internal export. -export([call_me/1]). @@ -32,7 +32,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), - [test1,overwritten_fun,otp_7202,bif_fun,external,eep37]. + [test1,overwritten_fun,otp_7202,bif_fun,external,eep37,badarity]. groups() -> []. @@ -206,5 +206,9 @@ eep37(Config) when is_list(Config) -> 50 = UnusedName(8), ok. +badarity(Config) when is_list(Config) -> + {'EXIT',{{badarity,{_,[]}},_}} = (catch (fun badarity/1)()), + ok. + id(I) -> I. diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl index a0a9bb7ddd..eb205d09a7 100644 --- a/lib/compiler/test/guard_SUITE.erl +++ b/lib/compiler/test/guard_SUITE.erl @@ -33,7 +33,7 @@ tricky/1,rel_ops/1,literal_type_tests/1, basic_andalso_orelse/1,traverse_dcd/1, check_qlc_hrl/1,andalso_semi/1,t_tuple_size/1,binary_part/1, - bad_constants/1]). + bad_constants/1,bad_guards/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. @@ -50,7 +50,7 @@ groups() -> t_is_boolean,is_function_2,tricky,rel_ops, literal_type_tests,basic_andalso_orelse,traverse_dcd, check_qlc_hrl,andalso_semi,t_tuple_size,binary_part, - bad_constants]}]. + bad_constants,bad_guards]}]. init_per_suite(Config) -> Config. @@ -1023,6 +1023,10 @@ is_function_2(Config) when is_list(Config) -> true = is_function(id(fun() -> ok end), 0), false = is_function(id(fun ?MODULE:all/1), 0), false = is_function(id(fun() -> ok end), 1), + {'EXIT',{badarg,_}} = + (catch is_function(id(fun() -> ok end), -1) orelse error), + {'EXIT',{badarg,_}} = + (catch is_function(id(fun() -> ok end), '') orelse error), F = fun(_) -> ok end, if @@ -1550,6 +1554,10 @@ bad_constants(Config) when is_list(Config) -> ?line ?FAILING(3.14), ok. +bad_guards(Config) when is_list(Config) -> + if erlang:float(self()); true -> ok end, + ok. + %% Call this function to turn off constant propagation. id(I) -> I. diff --git a/lib/compiler/test/lc_SUITE.erl b/lib/compiler/test/lc_SUITE.erl index f5948504b3..398398a397 100644 --- a/lib/compiler/test/lc_SUITE.erl +++ b/lib/compiler/test/lc_SUITE.erl @@ -23,7 +23,7 @@ init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2, basic/1,deeply_nested/1,no_generator/1, - empty_generator/1]). + empty_generator/1,no_export/1]). -include_lib("test_server/include/test_server.hrl"). @@ -31,7 +31,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), - [basic, deeply_nested, no_generator, empty_generator]. + [basic, deeply_nested, no_generator, empty_generator, no_export]. groups() -> []. @@ -177,6 +177,10 @@ empty_generator(Config) when is_list(Config) -> ?line [] = [X || {X} <- [], (false or (X/0 > 3))], ok. +no_export(Config) when is_list(Config) -> + [] = [ _X = a || false ] ++ [ _X = a || false ], + ok. + id(I) -> I. fc(Args, {'EXIT',{function_clause,[{?MODULE,_,Args,_}|_]}}) -> ok; diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl index b4baef461b..b7e27afef1 100644 --- a/lib/compiler/test/map_SUITE.erl +++ b/lib/compiler/test/map_SUITE.erl @@ -42,7 +42,8 @@ t_build_and_match_val/1, %% errors in 17.0-rc1 - t_update_values/1 + t_update_values/1, + t_expand_map_update/1 ]). suite() -> []. @@ -68,7 +69,8 @@ all() -> [ t_build_and_match_val, %% errors in 17.0-rc1 - t_update_values + t_update_values, + t_expand_map_update ]. groups() -> []. @@ -105,6 +107,9 @@ t_build_and_match_literals(Config) when is_list(Config) -> M = #{ map_1:=#{ map_2:=#{value_3 := third}, value_2:= second}, value_1:=first} = id(#{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first}), + %% nil key + #{[]:=ok,1:=2} = id(#{[]=>ok,1=>2}), + %% error case {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3,x:=2} = id(#{x=>3}))), {'EXIT',{{badmatch,_},_}} = (catch (#{x:=2} = id(#{x=>3}))), @@ -187,7 +192,9 @@ loop_match_and_update_literals_x_q(#{q:=Q0,x:=X0} = Map, [{X,Q}|Vs]) -> t_update_map_expressions(Config) when is_list(Config) -> M = maps:new(), - #{ a := 1 } = M#{a => 1}, + X = id(fondue), + M1 = #{ a := 1 } = M#{a => 1}, + #{ b := {X} } = M1#{ a := 1, b => {X} }, #{ b := 2 } = (maps:new())#{ b => 2 }, @@ -273,20 +280,33 @@ t_update_values(Config) when is_list(Config) -> end, {none, none, #{val1=>none,val2=>none}},List), ok. +t_expand_map_update(Config) when is_list(Config) -> + M = #{<<"hello">> => <<"world">>}#{<<"hello">> := <<"les gens">>}, + #{<<"hello">> := <<"les gens">>} = M, + ok. + check_val(#{val1:=V1, val2:=V2},V1,V2) -> ok. get_val(#{ "wazzup" := _, val := V}) -> V; get_val(#{ val := V }) -> {some_val, V}. t_guard_bifs(Config) when is_list(Config) -> + true = map_guard_empty(), + true = map_guard_empty_2(), true = map_guard_head(#{a=>1}), false = map_guard_head([]), true = map_guard_body(#{a=>1}), false = map_guard_body({}), true = map_guard_pattern(#{a=>1, <<"hi">> => "hi" }), false = map_guard_pattern("list"), + true = map_guard_tautology(), + true = map_guard_ill_map_size(), ok. +map_guard_empty() when is_map(#{}); false -> true. + +map_guard_empty_2() when true; #{} andalso false -> true. + map_guard_head(M) when is_map(M) -> true; map_guard_head(_) -> false. @@ -295,6 +315,10 @@ map_guard_body(M) -> is_map(M). map_guard_pattern(#{}) -> true; map_guard_pattern(_) -> false. +map_guard_tautology() when #{} =:= #{}; true -> true. + +map_guard_ill_map_size() when true; map_size(0) -> true. + t_guard_sequence(Config) when is_list(Config) -> {1, "a"} = map_guard_sequence_1(#{seq=>1,val=>id("a")}), {2, "b"} = map_guard_sequence_1(#{seq=>2,val=>id("b")}), diff --git a/lib/compiler/test/receive_SUITE.erl b/lib/compiler/test/receive_SUITE.erl index ec49267ded..00a6e900d4 100644 --- a/lib/compiler/test/receive_SUITE.erl +++ b/lib/compiler/test/receive_SUITE.erl @@ -257,6 +257,7 @@ wait(Config) when is_list(Config) -> self() ! <<42>>, <<42>> = wait_1(r, 1, 2), {1,2,3} = wait_1(1, 2, 3), + {'EXIT',{timeout_value,_}} = (catch receive after [] -> timeout end), ok. wait_1(r, _, _) -> diff --git a/lib/compiler/test/record_SUITE.erl b/lib/compiler/test/record_SUITE.erl index c9f5a2053e..f736e14bf6 100644 --- a/lib/compiler/test/record_SUITE.erl +++ b/lib/compiler/test/record_SUITE.erl @@ -369,6 +369,14 @@ record_test_3(Config) when is_list(Config) -> ?line false = is_record(id(#barf{}), id(barf), id(42)), ?line false = is_record(id(#barf{}), id(foo), id(6)), + Rec = id(#barf{}), + Good = id(barf), + Bad = id(foo), + Size = id(6), + + true = is_record(Rec, Good, Size) orelse error, + error = is_record(Rec, Bad, Size) orelse error, + ok. record_access_in_guards(Config) when is_list(Config) -> diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index 16d15a59e5..de56a59e12 100644 --- a/lib/compiler/test/warnings_SUITE.erl +++ b/lib/compiler/test/warnings_SUITE.erl @@ -37,7 +37,8 @@ -export([pattern/1,pattern2/1,pattern3/1,pattern4/1, guard/1,bad_arith/1,bool_cases/1,bad_apply/1, - files/1,effect/1,bin_opt_info/1,bin_construction/1, comprehensions/1]). + files/1,effect/1,bin_opt_info/1,bin_construction/1, comprehensions/1, + maps/1,redundant_boolean_clauses/1]). % Default timetrap timeout (set in init_per_testcase). -define(default_timeout, ?t:minutes(2)). @@ -61,7 +62,8 @@ groups() -> [{p,test_lib:parallel(), [pattern,pattern2,pattern3,pattern4,guard, bad_arith,bool_cases,bad_apply,files,effect, - bin_opt_info,bin_construction,comprehensions]}]. + bin_opt_info,bin_construction,comprehensions,maps, + redundant_boolean_clauses]}]. init_per_suite(Config) -> Config. @@ -200,6 +202,8 @@ pattern4(Config) when is_list(Config) -> [nowarn_unused_vars], {warnings, [{9,sys_core_fold,no_clause_match}, + {11,sys_core_fold,nomatch_shadow}, + {15,sys_core_fold,nomatch_shadow}, {18,sys_core_fold,no_clause_match}, {23,sys_core_fold,no_clause_match}, {33,sys_core_fold,no_clause_match} @@ -552,6 +556,41 @@ comprehensions(Config) when is_list(Config) -> run(Config, Ts), ok. +maps(Config) when is_list(Config) -> + Ts = [{bad_map, + <<" + t() -> + case maybe_map of + #{} -> ok; + not_map -> error + end. + x() -> + case true of + #{} -> error; + true -> ok + end. + ">>, + [], + {warnings,[{3,sys_core_fold,no_clause_match}, + {9,sys_core_fold,nomatch_clause_type}]}}], + run(Config, Ts), + ok. + +redundant_boolean_clauses(Config) when is_list(Config) -> + Ts = [{redundant_boolean_clauses, + <<" + t(X) -> + case X == 0 of + false -> no; + false -> no; + true -> yes + end. + ">>, + [], + {warnings,[{5,sys_core_fold,nomatch_shadow}]}}], + run(Config, Ts), + ok. + %%% %%% End of test cases. %%% |