diff options
Diffstat (limited to 'lib')
20 files changed, 247 insertions, 363 deletions
diff --git a/lib/compiler/src/beam_asm.erl b/lib/compiler/src/beam_asm.erl index 084686def7..73694b96ce 100644 --- a/lib/compiler/src/beam_asm.erl +++ b/lib/compiler/src/beam_asm.erl @@ -431,45 +431,35 @@ encode_alloc_list_1([], Dict, Acc) -> {iolist_to_binary(Acc),Dict}. encode(Tag, N) when N < 0 -> - encode1(Tag, negative_to_bytes(N, [])); + encode1(Tag, negative_to_bytes(N)); encode(Tag, N) when N < 16 -> (N bsl 4) bor Tag; encode(Tag, N) when N < 16#800 -> [((N bsr 3) band 2#11100000) bor Tag bor 2#00001000, N band 16#ff]; encode(Tag, N) -> - encode1(Tag, to_bytes(N, [])). + encode1(Tag, to_bytes(N)). encode1(Tag, Bytes) -> - case length(Bytes) of + case iolist_size(Bytes) of Num when 2 =< Num, Num =< 8 -> [((Num-2) bsl 5) bor 2#00011000 bor Tag| Bytes]; Num when 8 < Num -> [2#11111000 bor Tag, encode(?tag_u, Num-9)| Bytes] end. - -to_bytes(N0, Acc) -> - Bits = 3*128, - case N0 bsr Bits of - 0 -> - to_bytes_1(N0, Acc); - N -> - to_bytes(N, binary_to_list(<<N0:Bits>>) ++ Acc) - end. - -to_bytes_1(0, [B|_]=Done) when B < 128 -> Done; -to_bytes_1(N, Acc) -> to_bytes(N bsr 8, [N band 16#ff|Acc]). - -negative_to_bytes(N0, Acc) -> - Bits = 3*128, - case N0 bsr Bits of - -1 -> - negative_to_bytes_1(N0, Acc); - N -> - negative_to_bytes_1(N, binary_to_list(<<N0:Bits>>) ++ Acc) +to_bytes(N) -> + Bin = binary:encode_unsigned(N), + case Bin of + <<0:1,_/bits>> -> Bin; + <<1:1,_/bits>> -> [0,Bin] end. -negative_to_bytes_1(-1, [B1,_B2|_]=Done) when B1 > 127 -> - Done; -negative_to_bytes_1(N, Acc) -> - negative_to_bytes_1(N bsr 8, [N band 16#ff|Acc]). +negative_to_bytes(N) when N >= -16#8000 -> + <<N:16>>; +negative_to_bytes(N) -> + Bytes = byte_size(binary:encode_unsigned(-N)), + Bin = <<N:Bytes/unit:8>>, + case Bin of + <<0:1,_/bits>> -> [16#ff,Bin]; + <<1:1,_/bits>> -> Bin + end. diff --git a/lib/compiler/src/beam_dict.erl b/lib/compiler/src/beam_dict.erl index ea51673fa3..68dc104dd3 100644 --- a/lib/compiler/src/beam_dict.erl +++ b/lib/compiler/src/beam_dict.erl @@ -65,7 +65,7 @@ new() -> %% Remember the highest opcode. -spec opcode(non_neg_integer(), bdict()) -> bdict(). -opcode(Op, Dict) when Dict#asm.highest_opcode > Op -> Dict; +opcode(Op, Dict) when Dict#asm.highest_opcode >= Op -> Dict; opcode(Op, Dict) -> Dict#asm{highest_opcode=Op}. %% Returns the highest opcode encountered. diff --git a/lib/compiler/src/beam_listing.erl b/lib/compiler/src/beam_listing.erl index 50d1f3cdb1..726bb7f5eb 100644 --- a/lib/compiler/src/beam_listing.erl +++ b/lib/compiler/src/beam_listing.erl @@ -46,8 +46,8 @@ module(Stream, {Mod,Exp,Attr,Code,NumLabels}) -> fun ({function,Name,Arity,Entry,Asm}) -> io:format(Stream, "\n\n{function, ~w, ~w, ~w}.\n", [Name, Arity, Entry]), - foreach(fun(Op) -> print_op(Stream, Op) end, Asm) end, - Code); + io:put_chars(Stream, format_asm(Asm)) + end, Code); module(Stream, {Mod,Exp,Inter}) -> %% Other kinds of intermediate formats. io:fwrite(Stream, "~w.~n~p.~n", [Mod,Exp]), @@ -56,10 +56,11 @@ module(Stream, [_|_]=Fs) -> %% Form-based abstract format. foreach(fun (F) -> io:format(Stream, "~p.\n", [F]) end, Fs). -print_op(Stream, Label) when element(1, Label) == label -> - io:format(Stream, " ~p.\n", [Label]); -print_op(Stream, Op) -> - io:format(Stream, " ~p.\n", [Op]). +format_asm([{label,L}|Is]) -> + [" {label,",integer_to_list(L),"}.\n"|format_asm(Is)]; +format_asm([I|Is]) -> + [io_lib:format(" ~p", [I]),".\n"|format_asm(Is)]; +format_asm([]) -> []. function(File, {function,Name,Arity,Args,Body,Vdb,_Anno}) -> io:nl(File), diff --git a/lib/compiler/src/beam_trim.erl b/lib/compiler/src/beam_trim.erl index fad9c42584..8181e555a1 100644 --- a/lib/compiler/src/beam_trim.erl +++ b/lib/compiler/src/beam_trim.erl @@ -172,6 +172,10 @@ remap([{bif,Name,Fail,Ss,D}|Is], Map, Acc) -> remap([{gc_bif,Name,Fail,Live,Ss,D}|Is], Map, Acc) -> I = {gc_bif,Name,Fail,Live,[Map(S) || S <- Ss],Map(D)}, remap(Is, Map, [I|Acc]); +remap([{get_map_elements,Fail,M,{list,L0}}|Is], Map, Acc) -> + L = [Map(E) || E <- L0], + I = {get_map_elements,Fail,Map(M),{list,L}}, + remap(Is, Map, [I|Acc]); remap([{bs_init,Fail,Info,Live,Ss0,Dst0}|Is], Map, Acc) -> Ss = [Map(Src) || Src <- Ss0], Dst = Map(Dst0), @@ -275,6 +279,8 @@ frame_size([{kill,_}|Is], Safe) -> frame_size(Is, Safe); frame_size([{make_fun2,_,_,_,_}|Is], Safe) -> frame_size(Is, Safe); +frame_size([{get_map_elements,{f,L},_,_}|Is], Safe) -> + frame_size_branch(L, Is, Safe); frame_size([{deallocate,N}|_], _) -> N; frame_size([{line,_}|Is], Safe) -> frame_size(Is, Safe); diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index fd666be41e..b82bcd0e95 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -128,8 +128,7 @@ empty_label_index() -> %% Add an index for a label. index_label(Lbl, Is0, Acc) -> - Is = lists:dropwhile(fun({label,_}) -> true; - (_) -> false end, Is0), + Is = drop_labels(Is0), gb_trees:enter(Lbl, Is, Acc). @@ -344,14 +343,10 @@ check_liveness(R, [{call_ext,Live,_}=I|Is], St) -> false -> check_liveness(R, Is, St); true -> - %% We must make sure we don't check beyond this instruction - %% or we will fall through into random unrelated code and - %% get stuck in a loop. - %% - %% We don't want to overwrite a 'catch', so consider this - %% register in use. - %% - {used,St} + %% We must make sure we don't check beyond this + %% instruction or we will fall through into random + %% unrelated code and get stuck in a loop. + {killed,St} end end; check_liveness(R, [{call_fun,Live}|Is], St) -> @@ -472,6 +467,22 @@ check_liveness(R, [{loop_rec_end,{f,Fail}}|_], St) -> check_liveness_at(R, Fail, St); check_liveness(R, [{line,_}|Is], St) -> check_liveness(R, Is, St); +check_liveness(R, [{get_map_elements,{f,Fail},S,{list,L}}|Is], St0) -> + {Ss,Ds} = split_even(L), + case member(R, [S|Ss]) of + true -> + {used,St0}; + false -> + case check_liveness_at(R, Fail, St0) of + {killed,St}=Killed -> + case member(R, Ds) of + true -> Killed; + false -> check_liveness(R, Is, St) + end; + Other -> + Other + end + end; check_liveness(_R, Is, St) when is_list(Is) -> %% case Is of %% [I|_] -> diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index c55919dc73..780826b126 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -28,7 +28,7 @@ -include("beam_disasm.hrl"). --import(lists, [reverse/1,foldl/3,foreach/2,member/2,dropwhile/2]). +-import(lists, [reverse/1,foldl/3,foreach/2,dropwhile/2]). -define(MAXREG, 1024). @@ -153,7 +153,6 @@ validate_0(Module, [{function,Name,Ar,Entry,Code}|Fs], Ft) -> hf=0, %Available heap size for floats. fls=undefined, %Floating point state. ct=[], %List of hot catch/try labels - bits=undefined, %Number of bits in bit syntax binary. setelem=false %Previous instruction was setelement/3. }). @@ -411,37 +410,33 @@ valfun_1({'try',Dst,{f,Fail}}, Vst0) -> Vst = #vst{current=#st{ct=Fails}=St} = set_type_y({trytag,[Fail]}, Dst, Vst0), Vst#vst{current=St#st{ct=[[Fail]|Fails]}}; -valfun_1({catch_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St0}=Vst0) -> +valfun_1({catch_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}}=Vst0) -> case get_special_y_type(Reg, Vst0) of {catchtag,Fail} -> - Vst = #vst{current=St} = - set_type_y(initialized_ct, Reg, - Vst0#vst{current=St0#st{ct=Fails}}), + Vst = #vst{current=St} = set_catch_end(Reg, Vst0), Xs = gb_trees_from_list([{0,term}]), - Vst#vst{current=St#st{x=Xs,fls=undefined}}; + Vst#vst{current=St#st{x=Xs,ct=Fails,fls=undefined}}; Type -> error({bad_type,Type}) end; -valfun_1({try_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St}=Vst0) -> +valfun_1({try_end,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St0}=Vst0) -> case get_special_y_type(Reg, Vst0) of {trytag,Fail} -> Vst = case Fail of [FailLabel] -> branch_state(FailLabel, Vst0); _ -> Vst0 end, - set_type_reg(initialized_ct, Reg, - Vst#vst{current=St#st{ct=Fails,fls=undefined}}); + St = St0#st{ct=Fails,fls=undefined}, + set_catch_end(Reg, Vst#vst{current=St}); Type -> error({bad_type,Type}) end; -valfun_1({try_case,Reg}, #vst{current=#st{ct=[Fail|Fails]}=St0}=Vst0) -> +valfun_1({try_case,Reg}, #vst{current=#st{ct=[Fail|Fails]}}=Vst0) -> case get_special_y_type(Reg, Vst0) of {trytag,Fail} -> - Vst = #vst{current=St} = - set_type_y(initialized_ct, Reg, - Vst0#vst{current=St0#st{ct=Fails}}), - Xs = gb_trees_from_list([{0,{atom,[]}},{1,term},{2,term}]), %XXX - Vst#vst{current=St#st{x=Xs,fls=undefined}}; + Vst = #vst{current=St} = set_catch_end(Reg, Vst0), + Xs = gb_trees_from_list([{0,{atom,[]}},{1,term},{2,term}]), + Vst#vst{current=St#st{x=Xs,ct=Fails,fls=undefined}}; Type -> error({bad_type,Type}) end; @@ -700,8 +695,7 @@ valfun_4({bs_init2,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> end, Vst1 = heap_alloc(Heap, Vst0), Vst2 = branch_state(Fail, Vst1), - Vst3 = prune_x_regs(Live, Vst2), - Vst = bs_zero_bits(Vst3), + Vst = prune_x_regs(Live, Vst2), set_type_reg(binary, Dst, Vst); valfun_4({bs_init_bits,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> verify_live(Live, Vst0), @@ -713,8 +707,7 @@ valfun_4({bs_init_bits,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> end, Vst1 = heap_alloc(Heap, Vst0), Vst2 = branch_state(Fail, Vst1), - Vst3 = prune_x_regs(Live, Vst2), - Vst = bs_zero_bits(Vst3), + Vst = prune_x_regs(Live, Vst2), set_type_reg(binary, Dst, Vst); valfun_4({bs_append,{f,Fail},Bits,Heap,Live,_Unit,Bin,_Flags,Dst}, Vst0) -> verify_live(Live, Vst0), @@ -722,43 +715,35 @@ valfun_4({bs_append,{f,Fail},Bits,Heap,Live,_Unit,Bin,_Flags,Dst}, Vst0) -> assert_term(Bin, Vst0), Vst1 = heap_alloc(Heap, Vst0), Vst2 = branch_state(Fail, Vst1), - Vst3 = prune_x_regs(Live, Vst2), - Vst = bs_zero_bits(Vst3), + Vst = prune_x_regs(Live, Vst2), set_type_reg(binary, Dst, Vst); valfun_4({bs_private_append,{f,Fail},Bits,_Unit,Bin,_Flags,Dst}, Vst0) -> assert_term(Bits, Vst0), assert_term(Bin, Vst0), - Vst1 = branch_state(Fail, Vst0), - Vst = bs_zero_bits(Vst1), + Vst = branch_state(Fail, Vst0), set_type_reg(binary, Dst, Vst); valfun_4({bs_put_string,Sz,_}, Vst) when is_integer(Sz) -> Vst; -valfun_4({bs_put_binary,{f,Fail},Sz,_,_,Src}=I, Vst0) -> - assert_term(Sz, Vst0), - assert_term(Src, Vst0), - Vst = bs_align_check(I, Vst0), +valfun_4({bs_put_binary,{f,Fail},Sz,_,_,Src}, Vst) -> + assert_term(Sz, Vst), + assert_term(Src, Vst), branch_state(Fail, Vst); -valfun_4({bs_put_float,{f,Fail},Sz,_,_,Src}=I, Vst0) -> - assert_term(Sz, Vst0), - assert_term(Src, Vst0), - Vst = bs_align_check(I, Vst0), +valfun_4({bs_put_float,{f,Fail},Sz,_,_,Src}, Vst) -> + assert_term(Sz, Vst), + assert_term(Src, Vst), branch_state(Fail, Vst); -valfun_4({bs_put_integer,{f,Fail},Sz,_,_,Src}=I, Vst0) -> - assert_term(Sz, Vst0), - assert_term(Src, Vst0), - Vst = bs_align_check(I, Vst0), +valfun_4({bs_put_integer,{f,Fail},Sz,_,_,Src}, Vst) -> + assert_term(Sz, Vst), + assert_term(Src, Vst), branch_state(Fail, Vst); -valfun_4({bs_put_utf8,{f,Fail},_,Src}=I, Vst0) -> - assert_term(Src, Vst0), - Vst = bs_align_check(I, Vst0), +valfun_4({bs_put_utf8,{f,Fail},_,Src}, Vst) -> + assert_term(Src, Vst), branch_state(Fail, Vst); -valfun_4({bs_put_utf16,{f,Fail},_,Src}=I, Vst0) -> - assert_term(Src, Vst0), - Vst = bs_align_check(I, Vst0), +valfun_4({bs_put_utf16,{f,Fail},_,Src}, Vst) -> + assert_term(Src, Vst), branch_state(Fail, Vst); -valfun_4({bs_put_utf32,{f,Fail},_,Src}=I, Vst0) -> - assert_term(Src, Vst0), - Vst = bs_align_check(I, Vst0), +valfun_4({bs_put_utf32,{f,Fail},_,Src}, Vst) -> + assert_term(Src, Vst), branch_state(Fail, Vst); %% Map instructions. valfun_4({put_map_assoc,{f,Fail},Src,Dst,Live,{list,List}}, Vst) -> @@ -1071,55 +1056,7 @@ bsm_restore(Reg, SavePoint, Vst) -> end; _ -> error({illegal_restore,SavePoint,range}) end. - - -%%% -%%% Validation of alignment in the bit syntax. (Currently, construction only.) -%%% -%%% We make sure that the aligned flag is only set when we can be sure of the -%%% aligment. -%%% - -bs_zero_bits(#vst{current=St}=Vst) -> - Vst#vst{current=St#st{bits=0}}. - -bs_align_check({bs_put_utf8,_,Flags,_}, #vst{current=#st{}=St}=Vst) -> - bs_verify_flags(Flags, St), - Vst; -bs_align_check({bs_put_utf16,_,Flags,_}, #vst{current=#st{}=St}=Vst) -> - bs_verify_flags(Flags, St), - Vst; -bs_align_check({bs_put_utf32,_,Flags,_}, #vst{current=#st{}=St}=Vst) -> - bs_verify_flags(Flags, St), - Vst; -bs_align_check({_,_,Sz,U,Flags,_}, #vst{current=#st{bits=Bits}=St}=Vst) -> - bs_verify_flags(Flags, St), - bs_update_bits(Bits, Sz, U, St, Vst). - -bs_update_bits(undefined, _, _, _, Vst) -> Vst; -bs_update_bits(Bits0, {integer,Sz}, U, St, Vst) -> - Bits = Bits0 + U*Sz, - Vst#vst{current=St#st{bits=Bits}}; -bs_update_bits(_, {atom,all}, _, _, Vst) -> - %% A binary will not change the alignment. - Vst; -bs_update_bits(_, _, U, _, Vst) when U rem 8 =:= 0 -> - %% Units of 8, 16, and so on will not change the aligment. - Vst; -bs_update_bits(_, _, _, St, Vst) -> - %% We can no longer be sure about aligment. - Vst#vst{current=St#st{bits=undefined}}. - -bs_verify_flags({field_flags,Fl}, #st{bits=Bits}) -> - case bs_is_aligned(Fl) of - false -> ok; - true when is_integer(Bits), Bits rem 8 =:= 0 -> ok; - true -> error({aligned_flag_set,{bits,Bits}}) - end. -bs_is_aligned(Fl) when is_integer(Fl) -> Fl band 1 =:= 1; -bs_is_aligned(Fl) when is_list(Fl) -> member(aligned, Fl). - %%% %%% Keeping track of types. %%% @@ -1135,35 +1072,26 @@ set_type_reg(Type, {x,X}, #vst{current=#st{x=Xs}=St}=Vst) set_type_reg(Type, Reg, Vst) -> set_type_y(Type, Reg, Vst). -set_type_y(Type, {y,Y}=Reg, #vst{current=#st{y=Ys0,numy=NumY}=St}=Vst) +set_type_y(Type, {y,Y}=Reg, #vst{current=#st{y=Ys0}=St}=Vst) when is_integer(Y), 0 =< Y -> limit_check(Y), - case {Y,NumY} of - {_,none} -> - error({no_stack_frame,Reg}); - {_,_} when Y > NumY -> - error({y_reg_out_of_range,Reg,NumY}); - {_,_} -> - Ys = if Type =:= initialized_ct -> - gb_trees:enter(Y, initialized, Ys0); - true -> - case gb_trees:lookup(Y, Ys0) of - none -> - gb_trees:insert(Y, Type, Ys0); - {value,uinitialized} -> - gb_trees:insert(Y, Type, Ys0); - {value,{catchtag,_}=Tag} -> - error(Tag); - {value,{trytag,_}=Tag} -> - error(Tag); - {value,_} -> - gb_trees:update(Y, Type, Ys0) - end - end, - Vst#vst{current=St#st{y=Ys}} - end; + Ys = case gb_trees:lookup(Y, Ys0) of + none -> + error({invalid_store,Reg,Type}); + {value,{catchtag,_}=Tag} -> + error(Tag); + {value,{trytag,_}=Tag} -> + error(Tag); + {value,_} -> + gb_trees:update(Y, Type, Ys0) + end, + Vst#vst{current=St#st{y=Ys}}; set_type_y(Type, Reg, #vst{}) -> error({invalid_store,Reg,Type}). +set_catch_end({y,Y}, #vst{current=#st{y=Ys0}=St}=Vst) -> + Ys = gb_trees:update(Y, initialized, Ys0), + Vst#vst{current=St#st{y=Ys}}. + assert_term(Src, Vst) -> get_term_type(Src, Vst), ok. @@ -1362,13 +1290,13 @@ merge_states(L, St, Branched) when L =/= 0 -> {value,OtherSt} -> merge_states_1(St, OtherSt) end. -merge_states_1(#st{x=Xs0,y=Ys0,numy=NumY0,h=H0,ct=Ct0}=St, +merge_states_1(#st{x=Xs0,y=Ys0,numy=NumY0,h=H0,ct=Ct0}, #st{x=Xs1,y=Ys1,numy=NumY1,h=H1,ct=Ct1}) -> NumY = merge_stk(NumY0, NumY1), Xs = merge_regs(Xs0, Xs1), Ys = merge_y_regs(Ys0, Ys1), Ct = merge_ct(Ct0, Ct1), - St#st{x=Xs,y=Ys,numy=NumY,h=min(H0, H1),ct=Ct}. + #st{x=Xs,y=Ys,numy=NumY,h=min(H0, H1),ct=Ct}. merge_stk(S, S) -> S; merge_stk(_, _) -> undecided. @@ -1398,20 +1326,24 @@ merge_regs_1([], [_|_]) -> []; merge_regs_1([_|_], []) -> []. merge_y_regs(Rs0, Rs1) -> - Rs = merge_y_regs_1(gb_trees:to_list(Rs0), gb_trees:to_list(Rs1)), - gb_trees_from_list(Rs). + case {gb_trees:size(Rs0),gb_trees:size(Rs1)} of + {Sz0,Sz1} when Sz0 < Sz1 -> + merge_y_regs_1(Sz0-1, Rs1, Rs0); + {_,Sz1} -> + merge_y_regs_1(Sz1-1, Rs0, Rs1) + end. -merge_y_regs_1([Same|Rs1], [Same|Rs2]) -> - [Same|merge_y_regs_1(Rs1, Rs2)]; -merge_y_regs_1([{R1,_}|Rs1], [{R2,_}|_]=Rs2) when R1 < R2 -> - [{R1,uninitialized}|merge_y_regs_1(Rs1, Rs2)]; -merge_y_regs_1([{R1,_}|_]=Rs1, [{R2,_}|Rs2]) when R1 > R2 -> - [{R2,uninitialized}|merge_y_regs_1(Rs1, Rs2)]; -merge_y_regs_1([{R,Type1}|Rs1], [{R,Type2}|Rs2]) -> - [{R,merge_types(Type1, Type2)}|merge_y_regs_1(Rs1, Rs2)]; -merge_y_regs_1([], []) -> []; -merge_y_regs_1([], [_|_]=Rs) -> Rs; -merge_y_regs_1([_|_]=Rs, []) -> Rs. +merge_y_regs_1(Y, S, Regs0) when Y >= 0 -> + Type0 = gb_trees:get(Y, Regs0), + case gb_trees:get(Y, S) of + Type0 -> + merge_y_regs_1(Y-1, S, Regs0); + Type1 -> + Type = merge_types(Type0, Type1), + Regs = gb_trees:update(Y, Type, Regs0), + merge_y_regs_1(Y-1, S, Regs) + end; +merge_y_regs_1(_, _, Regs) -> Regs. %% merge_types(Type1, Type2) -> Type %% Return the most specific type possible. @@ -1630,8 +1562,6 @@ return_type_1(M, F, A, _) when is_atom(M), is_atom(F), is_integer(A), A >= 0 -> return_type_erl(exit, 1) -> exception; return_type_erl(throw, 1) -> exception; -return_type_erl(fault, 1) -> exception; -return_type_erl(fault, 2) -> exception; return_type_erl(error, 1) -> exception; return_type_erl(error, 2) -> exception; return_type_erl(F, A) when is_atom(F), is_integer(A), A >= 0 -> term. diff --git a/lib/compiler/src/cerl_inline.erl b/lib/compiler/src/cerl_inline.erl index f8489a800b..02cdb966ce 100644 --- a/lib/compiler/src/cerl_inline.erl +++ b/lib/compiler/src/cerl_inline.erl @@ -445,15 +445,14 @@ i_var_1(R, Opnd, Ctxt, Env, S) -> residualize_var(R, S); false -> S1 = st__mark_inner_pending(L, S), - case catch {ok, visit(Opnd, S1)} of - {ok, {E, S2}} -> + try visit(Opnd, S1) of + {E, S2} -> %% Note that we pass the current environment and %% context to `copy', but not the current renaming. S3 = st__clear_inner_pending(L, S2), - copy(R, Opnd, E, Ctxt, Env, S3); - {'EXIT', X} -> - exit(X); - X -> + copy(R, Opnd, E, Ctxt, Env, S3) + catch + throw:X -> %% If we use destructive update for the %% `inner-pending' flag, we must make sure to clear %% it also if we make a nonlocal return. @@ -1128,8 +1127,8 @@ i_call_3(M, F, As, E, Ctxt, Env, S) -> %% Note that we extract the results of argument expessions here; the %% expressions could still be sequences with side effects. Vs = [concrete(result(A)) || A <- As], - case catch {ok, apply(atom_val(M), atom_val(F), Vs)} of - {ok, V} -> + try apply(atom_val(M), atom_val(F), Vs) of + V -> %% Evaluation completed normally - try to turn the result %% back into a syntax tree (representing a literal). case is_literal_term(V) of @@ -1142,8 +1141,9 @@ i_call_3(M, F, As, E, Ctxt, Env, S) -> false -> %% The result could not be represented as a literal. i_call_4(M, F, As, E, Ctxt, Env, S) - end; - _ -> + end + catch + error:_ -> %% The evaluation attempt did not complete normally. i_call_4(M, F, As, E, Ctxt, Env, S) end. @@ -1736,12 +1736,11 @@ copy_1(R, Opnd, E, Ctxt, Env, S) -> copy_inline(R, Opnd, E, Ctxt, Env, S) -> S1 = st__mark_outer_pending(Opnd#opnd.loc, S), - case catch {ok, copy_inline_1(R, E, Ctxt, Env, S1)} of - {ok, {E1, S2}} -> - {E1, st__clear_outer_pending(Opnd#opnd.loc, S2)}; - {'EXIT', X} -> - exit(X); - X -> + try copy_inline_1(R, E, Ctxt, Env, S1) of + {E1, S2} -> + {E1, st__clear_outer_pending(Opnd#opnd.loc, S2)} + catch + throw:X -> %% If we use destructive update for the `outer-pending' %% flag, we must make sure to clear it upon a nonlocal %% return. @@ -1758,19 +1757,16 @@ copy_inline_1(R, E, Ctxt, Env, S) -> copy_inline_2(R, E, Ctxt, Env, S); false -> S1 = new_active_effort(get_effort_limit(S), S), - case catch {ok, copy_inline_2(R, E, Ctxt, Env, S1)} of - {ok, {E1, S2}} -> + try copy_inline_2(R, E, Ctxt, Env, S1) of + {E1, S2} -> %% Revert to the old effort counter. - {E1, revert_effort(S, S2)}; - {counter_exceeded, effort, _} -> + {E1, revert_effort(S, S2)} + catch + throw:{counter_exceeded, effort, _} -> %% Aborted this inlining attempt because too much %% effort was spent. Residualize the variable and %% revert to the previous state. - residualize_var(R, S); - {'EXIT', X} -> - exit(X); - X -> - throw(X) + residualize_var(R, S) end end. @@ -1796,11 +1792,12 @@ copy_inline_2(R, E, Ctxt, Env, S) -> %% close to zero at this point. (This is an extension to the %% original algorithm.) S1 = new_active_size(Limit + apply_size(length(Ctxt#app.opnds)), S), - case catch {ok, inline(E, Ctxt, ren__identity(), Env, S1)} of - {ok, {E1, S2}} -> + try inline(E, Ctxt, ren__identity(), Env, S1) of + {E1, S2} -> %% Revert to the old size counter. - {E1, revert_size(S, S2)}; - {counter_exceeded, size, S2} -> + {E1, revert_size(S, S2)} + catch + throw:{counter_exceeded, size, S2} -> %% Aborted this inlining attempt because it got too big. %% Residualize the variable and revert to the old size %% counter. (It is important that we do not also revert the @@ -1813,11 +1810,7 @@ copy_inline_2(R, E, Ctxt, Env, S) -> %% must make sure to clear the flags of any nested %% app-contexts upon aborting; see `inline' for details. S4 = reset_nested_apps(Ctxt, S3), % for effect - residualize_var(R, S4); - {'EXIT', X} -> - exit(X); - X -> - throw(X) + residualize_var(R, S4) end. reset_nested_apps(#app{ctxt = Ctxt, loc = L}, S) -> diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index beab2ce897..6f8279f65e 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -2532,18 +2532,35 @@ maybe_suppress_warnings(Arg, _, _, effect) -> %% Don't suppress any warnings in effect context. Arg; maybe_suppress_warnings(Arg, Vs, PrevBody, value) -> - case suppress_warning(Arg) of + case should_suppress_warning(Arg) of true -> Arg; %Already suppressed. false -> case is_any_var_used(Vs, PrevBody) of true -> - cerl:set_ann(Arg, [compiler_generated]); + suppress_warning([Arg]); false -> Arg end end. +%% Suppress warnings for a Core Erlang expression whose value will +%% be ignored. +suppress_warning([H|T]) -> + case cerl:is_literal(H) of + true -> + suppress_warning(T); + false -> + case cerl:is_data(H) of + true -> + suppress_warning(cerl:data_es(H) ++ T); + false -> + Arg = cerl:set_ann(H, [compiler_generated]), + cerl:c_seq(Arg, suppress_warning(T)) + end + end; +suppress_warning([]) -> void(). + move_case_into_arg(#c_case{arg=#c_let{vars=OuterVars0,arg=OuterArg, body=InnerArg0}=Outer, clauses=InnerClauses}=Inner, Sub) -> @@ -3093,7 +3110,7 @@ add_bin_opt_info(Core, Term) -> end. add_warning(Core, Term) -> - case suppress_warning(Core) of + case should_suppress_warning(Core) of true -> ok; false -> @@ -3118,7 +3135,7 @@ get_file([{file,File}|_]) -> File; get_file([_|T]) -> get_file(T); get_file([]) -> "no_file". % should not happen -suppress_warning(Core) -> +should_suppress_warning(Core) -> is_compiler_generated(Core) orelse is_result_unwanted(Core). diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl index f99307c865..6cc849a9d5 100644 --- a/lib/compiler/src/sys_pre_expand.erl +++ b/lib/compiler/src/sys_pre_expand.erl @@ -38,7 +38,6 @@ -record(expand, {module=[], %Module name exports=[], %Exports imports=[], %Imports - compile=[], %Compile flags attributes=[], %Attributes callbacks=[], %Callbacks optional_callbacks=[] :: [fa()], %Optional callbacks @@ -46,9 +45,7 @@ vcount=0, %Variable counter func=[], %Current function arity=[], %Arity for current function - fcount=0, %Local fun count - bitdefault, - bittypes + fcount=0 %Local fun count }). %% module(Forms, CompileOptions) @@ -69,15 +66,12 @@ module(Fs0, Opts0) -> %% Build initial expand record. St0 = #expand{exports=PreExp, - compile=Opts, - defined=PreExp, - bitdefault = erl_bits:system_bitdefault(), - bittypes = erl_bits:system_bittypes() + defined=PreExp }, %% Expand the functions. {Tfs,St1} = forms(Fs, define_functions(Fs, St0)), %% Get the correct list of exported functions. - Exports = case member(export_all, St1#expand.compile) of + Exports = case member(export_all, Opts) of true -> gb_sets:to_list(St1#expand.defined); false -> St1#expand.exports end, @@ -85,7 +79,7 @@ module(Fs0, Opts0) -> {Ats,St3} = module_attrs(St1#expand{exports = Exports}), {Mfs,St4} = module_predef_funcs(St3), {St4#expand.module, St4#expand.exports, Ats ++ Tfs ++ Mfs, - St4#expand.compile}. + Opts}. compiler_options(Forms) -> lists:flatten([C || {attribute,_,compile,C} <- Forms]). diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl index 15a54a5886..aa2ebc0f85 100644 --- a/lib/compiler/src/v3_codegen.erl +++ b/lib/compiler/src/v3_codegen.erl @@ -2140,9 +2140,11 @@ put_stack(Val, [free|Stk]) -> [{Val}|Stk]; put_stack(Val, [NotFree|Stk]) -> [NotFree|put_stack(Val, Stk)]. put_stack_carefully(Val, Stk0) -> - case catch put_stack_carefully1(Val, Stk0) of - error -> error; - Stk1 when is_list(Stk1) -> Stk1 + try + put_stack_carefully1(Val, Stk0) + catch + throw:error -> + error end. put_stack_carefully1(_, []) -> throw(error); diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index ed7b55df07..2d12d832a3 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -869,10 +869,10 @@ constant_bin_1(Es) -> ({float,_,F}, B) -> {value,F,B}; ({atom,_,undefined}, B) -> {value,undefined,B} end, - case catch eval_bits:expr_grp(Es, EmptyBindings, EvalFun) of + try eval_bits:expr_grp(Es, EmptyBindings, EvalFun) of {value,Bin,EmptyBindings} -> - Bin; - _ -> + Bin + catch error:_ -> error end. diff --git a/lib/compiler/test/beam_validator_SUITE.erl b/lib/compiler/test/beam_validator_SUITE.erl index 551cf7661b..e64dd6b9c3 100644 --- a/lib/compiler/test/beam_validator_SUITE.erl +++ b/lib/compiler/test/beam_validator_SUITE.erl @@ -28,7 +28,7 @@ overwrite_catchtag/1,overwrite_trytag/1,accessing_tags/1,bad_catch_try/1, cons_guard/1, freg_range/1,freg_uninit/1,freg_state/1, - bad_bin_match/1,bin_aligned/1,bad_dsetel/1, + bad_bin_match/1,bad_dsetel/1, state_after_fault_in_catch/1,no_exception_in_catch/1, undef_label/1,illegal_instruction/1,failing_gc_guard_bif/1, map_field_lists/1]). @@ -57,7 +57,7 @@ groups() -> unsafe_catch,dead_code, overwrite_catchtag,overwrite_trytag,accessing_tags, bad_catch_try,cons_guard,freg_range,freg_uninit, - freg_state,bad_bin_match,bin_aligned,bad_dsetel, + freg_state,bad_bin_match,bad_dsetel, state_after_fault_in_catch,no_exception_in_catch, undef_label,illegal_instruction,failing_gc_guard_bif, map_field_lists]}]. @@ -178,7 +178,7 @@ unsafe_catch(Config) when is_list(Config) -> ?line [{{t,small,2}, {{bs_put_integer,{f,0},{integer,16},1, - {field_flags,[aligned,unsigned,big]},{y,0}}, + {field_flags,[unsigned,big]},{y,0}}, 20, {unassigned,{y,0}}}}] = Errors, ok. @@ -211,20 +211,21 @@ accessing_tags(Config) when is_list(Config) -> bad_catch_try(Config) when is_list(Config) -> Errors = do_val(bad_catch_try, Config), - ?line [{{bad_catch_try,bad_1,1}, - {{'catch',{x,0},{f,3}}, - 5,{invalid_store,{x,0},{catchtag,[3]}}}}, - {{bad_catch_try,bad_2,1}, - {{catch_end,{x,9}}, - 8,{source_not_y_reg,{x,9}}}}, - {{bad_catch_try,bad_3,1}, - {{catch_end,{y,1}},9,{bad_type,{atom,kalle}}}}, - {{bad_catch_try,bad_4,1}, - {{'try',{x,0},{f,15}},5,{invalid_store,{x,0},{trytag,[15]}}}}, - {{bad_catch_try,bad_5,1}, - {{try_case,{y,1}},12,{bad_type,term}}}, - {{bad_catch_try,bad_6,1}, - {{try_end,{y,1}},8,{bad_type,{integer,1}}}}] = Errors, + [{{bad_catch_try,bad_1,1}, + {{'catch',{x,0},{f,3}}, + 5,{invalid_store,{x,0},{catchtag,[3]}}}}, + {{bad_catch_try,bad_2,1}, + {{catch_end,{x,9}}, + 8,{source_not_y_reg,{x,9}}}}, + {{bad_catch_try,bad_3,1}, + {{catch_end,{y,1}},9,{bad_type,{atom,kalle}}}}, + {{bad_catch_try,bad_4,1}, + {{'try',{x,0},{f,15}},5,{invalid_store,{x,0},{trytag,[15]}}}}, + {{bad_catch_try,bad_5,1}, + {{try_case,{y,1}},12,{bad_type,term}}}, + {{bad_catch_try,bad_6,1}, + {{move,{integer,1},{y,1}},7, + {invalid_store,{y,1},{integer,1}}}}] = Errors, ok. cons_guard(Config) when is_list(Config) -> @@ -298,19 +299,6 @@ bad_bin_match(Config) when is_list(Config) -> do_val(bad_bin_match, Config), ok. -bin_aligned(Config) when is_list(Config) -> - Errors = do_val(bin_aligned, Config), - ?line - [{{t,decode,1}, - {{bs_put_integer,{f,0}, - {integer,5}, - 1, - {field_flags,[unsigned,big,aligned]}, - {integer,0}}, - 10, - {aligned_flag_set,{bits,3}}}}] = Errors, - ok. - bad_dsetel(Config) when is_list(Config) -> Errors = do_val(bad_dsetel, Config), ?line diff --git a/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S b/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S index 2a53f0dd93..6035f23506 100644 --- a/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S +++ b/lib/compiler/test/beam_validator_SUITE_data/bad_catch_try.S @@ -63,11 +63,11 @@ {label,9}. {func_info,{atom,bad_catch_try},{atom,bad_3},1}. {label,10}. - {allocate,1,1}. + {allocate,2,1}. + {move,{atom,kalle},{y,1}}. {'catch',{y,0},{f,11}}. {call,1,{f,26}}. {label,11}. - {move,{atom,kalle},{y,1}}. {catch_end,{y,1}}. {test,is_tuple,{f,12},[{x,0}]}. {test,test_arity,{f,12},[{x,0},2]}. @@ -106,7 +106,7 @@ {label,17}. {func_info,{atom,bad_catch_try},{atom,bad_5},1}. {label,18}. - {allocate_zero,1,1}. + {allocate_zero,2,1}. {'try',{y,0},{f,19}}. {call,1,{f,26}}. {try_end,{y,0}}. @@ -131,7 +131,7 @@ {'try',{y,0},{f,23}}. {call,1,{f,26}}. {move,{integer,1},{y,1}}. - {try_end,{y,1}}. + {try_end,{y,0}}. {move,{atom,ok},{x,0}}. {jump,{f,24}}. {label,23}. diff --git a/lib/compiler/test/beam_validator_SUITE_data/bin_aligned.S b/lib/compiler/test/beam_validator_SUITE_data/bin_aligned.S deleted file mode 100644 index a59f7ccc03..0000000000 --- a/lib/compiler/test/beam_validator_SUITE_data/bin_aligned.S +++ /dev/null @@ -1,47 +0,0 @@ -{module, bin_aligned}. %% version = 0 - -{exports, [{decode,1},{module_info,0},{module_info,1}]}. - -{attributes, []}. - -{labels, 7}. - - -{function, decode, 1, 2}. - {label,1}. - {func_info,{atom,t},{atom,decode},1}. - {label,2}. - {move,{integer,1},{x,1}}. - {bif,size,{f,0},[{x,0}],{x,2}}. - {bs_add,{f,0},[{x,1},{x,2},1],{x,1}}. - {bs_init2,{f,0},{x,1},0,1,{field_flags,[]},{x,1}}. - {bs_put_integer,{f,0}, - {integer,3}, - 1, - {field_flags,[aligned,unsigned,big]}, - {integer,0}}. - {bs_put_binary,{f,0},{atom,all},8,{field_flags,[unsigned,big]},{x,0}}. - {bs_put_integer,{f,0}, - {integer,5}, - 1, - {field_flags,[unsigned,big,aligned]}, - {integer,0}}. - {move,{x,1},{x,0}}. - return. - - -{function, module_info, 0, 4}. - {label,3}. - {func_info,{atom,t},{atom,module_info},0}. - {label,4}. - {move,{atom,t},{x,0}}. - {call_ext_only,1,{extfunc,erlang,get_module_info,1}}. - - -{function, module_info, 1, 6}. - {label,5}. - {func_info,{atom,t},{atom,module_info},1}. - {label,6}. - {move,{x,0},{x,1}}. - {move,{atom,t},{x,0}}. - {call_ext_only,2,{extfunc,erlang,get_module_info,2}}. diff --git a/lib/compiler/test/beam_validator_SUITE_data/state_after_fault_in_catch.S b/lib/compiler/test/beam_validator_SUITE_data/state_after_fault_in_catch.S index 8e27347ed5..c3656d6218 100644 --- a/lib/compiler/test/beam_validator_SUITE_data/state_after_fault_in_catch.S +++ b/lib/compiler/test/beam_validator_SUITE_data/state_after_fault_in_catch.S @@ -14,7 +14,7 @@ {allocate,1,0}. {'catch',{y,0},{f,3}}. {move,{atom,apa},{x,0}}. - {call_ext,1,{extfunc,erlang,fault,1}}. + {call_ext,1,{extfunc,erlang,error,1}}. {label,3}. {catch_end,{y,0}}. {move,{x,1},{x,0}}. diff --git a/lib/compiler/test/beam_validator_SUITE_data/unsafe_catch.S b/lib/compiler/test/beam_validator_SUITE_data/unsafe_catch.S index 500ac11377..f7d3f805b3 100644 --- a/lib/compiler/test/beam_validator_SUITE_data/unsafe_catch.S +++ b/lib/compiler/test/beam_validator_SUITE_data/unsafe_catch.S @@ -17,7 +17,7 @@ {bs_put_integer,{f,0}, {integer,8}, 1, - {field_flags,[aligned,unsigned,big]}, + {field_flags,[unsigned,big]}, {x,0}}. {move,{x,1},{y,0}}. {move,{x,2},{x,0}}. @@ -34,7 +34,7 @@ {bs_put_integer,{f,0}, {integer,16}, 1, - {field_flags,[aligned,unsigned,big]}, + {field_flags,[unsigned,big]}, {y,0}}. {move,{x,0},{y,0}}. {move,{x,1},{x,0}}. @@ -55,12 +55,12 @@ {bs_put_binary,{f,0}, {atom,all}, 8, - {field_flags,[aligned,unsigned,big]}, + {field_flags,[unsigned,big]}, {y,0}}. {bs_put_binary,{f,0}, {atom,all}, 8, - {field_flags,[aligned,unsigned,big]}, + {field_flags,[unsigned,big]}, {x,0}}. {move,{x,1},{x,0}}. {deallocate,2}. diff --git a/lib/compiler/test/compilation_SUITE.erl b/lib/compiler/test/compilation_SUITE.erl index 51e1da2cb6..f570d94f7d 100644 --- a/lib/compiler/test/compilation_SUITE.erl +++ b/lib/compiler/test/compilation_SUITE.erl @@ -428,41 +428,35 @@ self_compile_old_inliner(Config) when is_list(Config) -> self_compile_1(Config, "old", [verbose,{inline,500}]). self_compile_1(Config, Prefix, Opts) -> - ?line Dog = test_server:timetrap(test_server:minutes(40)), + Dog = test_server:timetrap(test_server:minutes(40)), - ?line Priv = ?config(priv_dir,Config), - ?line Version = compiler_version(), + Priv = ?config(priv_dir,Config), + Version = compiler_version(), %% Compile the compiler. (In this node to get better coverage.) - ?line CompA = make_compiler_dir(Priv, Prefix++"compiler_a"), - ?line VsnA = Version ++ ".0", + CompA = make_compiler_dir(Priv, Prefix++"compiler_a"), + VsnA = Version ++ ".0", compile_compiler(compiler_src(), CompA, VsnA, [clint0,clint|Opts]), %% Compile the compiler again using the newly compiled compiler. %% (In another node because reloading the compiler would disturb cover.) CompilerB = Prefix++"compiler_b", CompB = make_compiler_dir(Priv, CompilerB), - ?line VsnB = VsnA ++ ".0", + VsnB = VsnA ++ ".0", self_compile_node(CompA, CompB, VsnB, Opts), - %% Compare compiler directories. - ?line compare_compilers(CompA, CompB), + %% Compare compiler directories. The compiler directories should + %% be equal (except for beam_asm that contains the compiler version). + compare_compilers(CompA, CompB), - %% Compile and compare compiler C. - ?line CompilerC = Prefix++"compiler_c", - ?line CompC = make_compiler_dir(Priv, CompilerC), - ?line VsnC = VsnB ++ ".0", - self_compile_node(CompB, CompC, VsnC, Opts), - ?line compare_compilers(CompB, CompC), - - ?line test_server:timetrap_cancel(Dog), + test_server:timetrap_cancel(Dog), ok. self_compile_node(CompilerDir, OutDir, Version, Opts) -> - ?line Dog = test_server:timetrap(test_server:minutes(15)), - ?line Pa = "-pa " ++ filename:dirname(code:which(?MODULE)) ++ + Dog = test_server:timetrap(test_server:minutes(15)), + Pa = "-pa " ++ filename:dirname(code:which(?MODULE)) ++ " -pa " ++ CompilerDir, - ?line Files = compiler_src(), + Files = compiler_src(), %% We don't want the cover server started on the other node, %% because it will load the same cover-compiled code as on this @@ -472,7 +466,7 @@ self_compile_node(CompilerDir, OutDir, Version, Opts) -> fun() -> compile_compiler(Files, OutDir, Version, Opts) end, Pa), - ?line test_server:timetrap_cancel(Dog), + test_server:timetrap_cancel(Dog), ok. compile_compiler(Files, OutDir, Version, InlineOpts) -> @@ -499,27 +493,22 @@ compiler_modules(Dir) -> [list_to_atom(filename:rootname(filename:basename(F))) || F <- Files]. make_compiler_dir(Priv, Dir0) -> - ?line Dir = filename:join(Priv, Dir0), - ?line ok = file:make_dir(Dir), + Dir = filename:join(Priv, Dir0), + ok = file:make_dir(Dir), Dir. -make_current(Dir) -> - true = code:add_patha(Dir), - lists:foreach(fun(File) -> - c:l(File) - end, compiler_modules(Dir)), - io:format("~p\n", [code:which(compile)]). - compiler_version() -> - {value,{version,Version}} = lists:keysearch(version, 1, - compile:module_info(compile)), + {version,Version} = lists:keyfind(version, 1, + compile:module_info(compile)), Version. compare_compilers(ADir, BDir) -> {[],[],D} = beam_lib:cmp_dirs(ADir, BDir), - [] = [T || {A,_}=T <- D, - filename:basename(A) =/= "beam_asm.beam"]. %Contains compiler version. + %% beam_asm.beam contains compiler version and therefore it *must* + %% compare unequal. + ["beam_asm.beam"] = [filename:basename(A) || {A,_} <- D], + ok. %%% %%% The only test of the following code is that it compiles. diff --git a/lib/compiler/test/misc_SUITE.erl b/lib/compiler/test/misc_SUITE.erl index 68a31f14d5..f3b92aad5b 100644 --- a/lib/compiler/test/misc_SUITE.erl +++ b/lib/compiler/test/misc_SUITE.erl @@ -338,8 +338,16 @@ integer_encoding_1(Config) -> ?line do_integer_encoding(-(id(1) bsl 10000), Src, Data), ?line do_integer_encoding(id(1) bsl 10000, Src, Data), - ?line do_integer_encoding(2048, 0, Src, Data), - + do_integer_encoding(1024, 0, Src, Data), + _ = [begin + B = 1 bsl I, + do_integer_encoding(-B-1, Src, Data), + do_integer_encoding(-B, Src, Data), + do_integer_encoding(-B+1, Src, Data), + do_integer_encoding(B-1, Src, Data), + do_integer_encoding(B, Src, Data), + do_integer_encoding(B+1, Src, Data) + end || I <- lists:seq(1, 128)], io:put_chars(Src, "Last].\n\n"), ?line ok = file:close(Src), io:put_chars(Data, "0].\n\n"), @@ -372,11 +380,9 @@ do_integer_encoding(N, I0, Src, Data) -> do_integer_encoding(I, Src, Data) -> Str = integer_to_list(I), - io:put_chars(Src, Str), - io:put_chars(Src, ", \n"), - io:put_chars(Data, Str), - io:put_chars(Data, ", \n"). - + io:put_chars(Src, [Str,",\n"]), + io:put_chars(Data, [Str,",\n"]). + id(I) -> I. diff --git a/lib/compiler/test/test_lib.erl b/lib/compiler/test/test_lib.erl index a5e2855f8c..4ffac95489 100644 --- a/lib/compiler/test/test_lib.erl +++ b/lib/compiler/test/test_lib.erl @@ -57,10 +57,8 @@ parallel() -> end. uniq() -> - U0 = erlang:ref_to_list(make_ref()), - U1 = re:replace(U0, "^#Ref", ""), - U = re:replace(U1, "[^[A-Za-z0-9_]+", "_", [global]), - re:replace(U, "_*$", "", [{return,list}]). + U = erlang:unique_integer([positive]), + "_" ++ integer_to_list(U). %% Retrieve the "interesting" compiler options (options for optimization %% and compatibility) for the given module. diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index e996a55db6..f6ba75577d 100644 --- a/lib/compiler/test/warnings_SUITE.erl +++ b/lib/compiler/test/warnings_SUITE.erl @@ -733,6 +733,12 @@ no_warnings(Config) when is_list(Config) -> false -> Var; true -> [] end. + + c() -> + R0 = {r,\"abc\",undefined,os:timestamp()}, %No warning. + case R0 of + {r,V1,_V2,V3} -> {r,V1,\"def\",V3} + end. ">>, [], []}], |