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-rw-r--r--lib/compiler/src/beam_asm.erl5
-rw-r--r--lib/compiler/src/beam_bool.erl50
-rw-r--r--lib/compiler/src/beam_dict.erl11
-rw-r--r--lib/compiler/src/beam_validator.erl26
-rw-r--r--lib/compiler/src/cerl.erl11
-rw-r--r--lib/compiler/src/compile.erl24
-rw-r--r--lib/compiler/src/rec_env.erl11
-rw-r--r--lib/compiler/src/sys_core_dsetel.erl36
-rw-r--r--lib/compiler/src/sys_core_fold.erl6
-rw-r--r--lib/compiler/src/sys_pre_expand.erl179
-rw-r--r--lib/compiler/src/v3_codegen.erl58
-rw-r--r--lib/compiler/src/v3_core.erl2
-rw-r--r--lib/compiler/src/v3_kernel.erl17
13 files changed, 167 insertions, 269 deletions
diff --git a/lib/compiler/src/beam_asm.erl b/lib/compiler/src/beam_asm.erl
index a3201b0f4a..95be471de3 100644
--- a/lib/compiler/src/beam_asm.erl
+++ b/lib/compiler/src/beam_asm.erl
@@ -30,11 +30,12 @@
module(Code, Abst, SourceFile, Opts) ->
{ok,assemble(Code, Abst, SourceFile, Opts)}.
-assemble({Mod,Exp,Attr0,Asm0,NumLabels}, Abst, SourceFile, Opts) ->
+assemble({Mod,Exp0,Attr0,Asm0,NumLabels}, Abst, SourceFile, Opts) ->
{1,Dict0} = beam_dict:atom(Mod, beam_dict:new()),
{0,Dict1} = beam_dict:fname(atom_to_list(Mod) ++ ".erl", Dict0),
NumFuncs = length(Asm0),
{Asm,Attr} = on_load(Asm0, Attr0),
+ Exp = cerl_sets:from_list(Exp0),
{Code,Dict2} = assemble_1(Asm, Exp, Dict1, []),
build_file(Code, Attr, Dict2, NumLabels, NumFuncs, Abst, SourceFile, Opts).
@@ -61,7 +62,7 @@ insert_on_load_instruction(Is0, Entry) ->
Bef ++ [El,on_load|Is].
assemble_1([{function,Name,Arity,Entry,Asm}|T], Exp, Dict0, Acc) ->
- Dict1 = case member({Name,Arity}, Exp) of
+ Dict1 = case cerl_sets:is_element({Name,Arity}, Exp) of
true ->
beam_dict:export(Name, Arity, Entry, Dict0);
false ->
diff --git a/lib/compiler/src/beam_bool.erl b/lib/compiler/src/beam_bool.erl
index c9e103eae9..efd935f666 100644
--- a/lib/compiler/src/beam_bool.erl
+++ b/lib/compiler/src/beam_bool.erl
@@ -140,11 +140,6 @@ bopt_block(Reg, Fail, OldIs, [{block,Bl0}|Acc0], St0) ->
throw:not_boolean_expr ->
failed;
- %% The block contains a 'move' instruction that could
- %% not be handled.
- throw:move ->
- failed;
-
%% The optimization is not safe. (A register
%% used by the instructions following the
%% optimized code is either not assigned a
@@ -213,37 +208,14 @@ ensure_opt_safe(Bl, NewCode, OldIs, Fail, PrecedingCode, St) ->
false -> throw(all_registers_not_killed);
true -> ok
end,
- Same = assigned_same_value(Bl, NewCode),
MustBeUnused = ordsets:subtract(ordsets:union(NotSet, NewDst),
- ordsets:union(MustBeKilled, Same)),
+ MustBeKilled),
case none_used(MustBeUnused, OldIs, Fail, St) of
false -> throw(registers_used);
true -> ok
end,
ok.
-%% assigned_same_value(OldCode, NewCodeReversed) -> [DestinationRegs]
-%% Return an ordset with a list of all y registers that are always
-%% assigned the same value in the old and new code. Currently, we
-%% are very conservative in that we only consider identical move
-%% instructions in the same order.
-%%
-assigned_same_value(Old, New) ->
- case reverse(New) of
- [{block,Bl}|_] ->
- assigned_same_value(Old, Bl, []);
- _ ->
- ordsets:new()
- end.
-
-assigned_same_value([{set,[{y,_}=D],[S],move}|T1],
- [{set,[{y,_}=D],[S],move}|T2], Acc) ->
- assigned_same_value(T1, T2, [D|Acc]);
-assigned_same_value(_, _, Acc) ->
- ordsets:from_list(Acc).
-
-update_fail_label([{set,_,_,move}=I|Is], Fail, Acc) ->
- update_fail_label(Is, Fail, [I|Acc]);
update_fail_label([{set,Ds,As,{bif,N,{f,_}}}|Is], Fail, Acc) ->
update_fail_label(Is, Fail, [{set,Ds,As,{bif,N,{f,Fail}}}|Acc]);
update_fail_label([{set,Ds,As,{alloc,Regs,{gc_bif,N,{f,_}}}}|Is], Fail, Acc) ->
@@ -312,8 +284,6 @@ split_block_1(Is, Fail, ProhibitFailLabel) ->
end
end.
-split_block_2([{set,_,_,move}=I|Is], Fail, Acc) ->
- split_block_2(Is, Fail, [I|Acc]);
split_block_2([{set,[_],_,{bif,_,{f,Fail}}}=I|Is], Fail, Acc) ->
split_block_2(Is, Fail, [I|Acc]);
split_block_2([{set,[_],_,{alloc,_,{gc_bif,_,{f,Fail}}}}=I|Is], Fail, Acc) ->
@@ -341,8 +311,6 @@ dst_regs([{set,[D],_,{bif,_,{f,_}}}|Is], Acc) ->
dst_regs(Is, [D|Acc]);
dst_regs([{set,[D],_,{alloc,_,{gc_bif,_,{f,_}}}}|Is], Acc) ->
dst_regs(Is, [D|Acc]);
-dst_regs([{set,[D],_,move}|Is], Acc) ->
- dst_regs(Is, [D|Acc]);
dst_regs([_|Is], Acc) ->
dst_regs(Is, Acc);
dst_regs([], Acc) -> ordsets:from_list(Acc).
@@ -409,13 +377,6 @@ bopt_tree([{protected,[Dst],Code,_}|Is], Forest0, Pre) ->
_Res ->
throw(not_boolean_expr)
end;
-bopt_tree([{set,[Dst],[Src],move}=Move|Is], Forest, Pre) ->
- case {Src,Dst} of
- {{tmp,_},_} -> throw(move);
- {_,{tmp,_}} -> throw(move);
- _ -> ok
- end,
- bopt_tree(Is, Forest, [Move|Pre]);
bopt_tree([{set,[Dst],As,{bif,N,_}}=Bif|Is], Forest0, Pre) ->
Ar = length(As),
case safe_bool_op(N, Ar) of
@@ -587,10 +548,6 @@ free_variables(Is) ->
E = gb_sets:empty(),
free_vars_1(Is, E, E, E).
-free_vars_1([{set,Ds,As,move}|Is], F0, N0, A) ->
- F = gb_sets:union(F0, gb_sets:difference(var_list(As), N0)),
- N = gb_sets:union(N0, var_list(Ds)),
- free_vars_1(Is, F, N, A);
free_vars_1([{set,Ds,As,{bif,_,_}}|Is], F0, N0, A) ->
F = gb_sets:union(F0, gb_sets:difference(var_list(As), N0)),
N = gb_sets:union(N0, var_list(Ds)),
@@ -630,8 +587,6 @@ free_vars_regs(X) -> [{x,X-1}|free_vars_regs(X-1)].
rename_regs(Is, Regs) ->
rename_regs(Is, Regs, []).
-rename_regs([{set,_,_,move}=I|Is], Regs, Acc) ->
- rename_regs(Is, Regs, [I|Acc]);
rename_regs([{set,[Dst0],Ss0,{alloc,_,Info}}|Is], Regs0, Acc) ->
Live = live_regs(Regs0),
Ss = rename_sources(Ss0, Regs0),
@@ -735,8 +690,7 @@ ssa_assign({x,_}=R, #ssa{sub=Sub0}=Ssa0) ->
Sub1 = gb_trees:update(R, NewReg, Sub0),
Sub = gb_trees:insert(NewReg, NewReg, Sub1),
Ssa#ssa{sub=Sub}
- end;
-ssa_assign(_, Ssa) -> Ssa.
+ end.
ssa_sub_list(List, Sub) ->
[ssa_sub(E, Sub) || E <- List].
diff --git a/lib/compiler/src/beam_dict.erl b/lib/compiler/src/beam_dict.erl
index 2b5f8c1b7f..654fb47dbd 100644
--- a/lib/compiler/src/beam_dict.erl
+++ b/lib/compiler/src/beam_dict.erl
@@ -44,7 +44,7 @@
locals = [] :: [{label(), arity(), label()}],
imports = gb_trees:empty() :: import_tab(),
strings = <<>> :: binary(), %String pool
- lambdas = [], %[{...}]
+ lambdas = {0,[]}, %[{...}]
literals = dict:new() :: literal_tab(),
fnames = #{} :: fname_tab(),
lines = #{} :: line_tab(),
@@ -145,15 +145,14 @@ string(Str, Dict) when is_list(Str) ->
-spec lambda(label(), non_neg_integer(), bdict()) ->
{non_neg_integer(), bdict()}.
-lambda(Lbl, NumFree, #asm{lambdas=Lambdas0}=Dict) ->
- OldIndex = length(Lambdas0),
+lambda(Lbl, NumFree, #asm{lambdas={OldIndex,Lambdas0}}=Dict) ->
%% Set Index the same as OldIndex.
Index = OldIndex,
%% Initialize OldUniq to 0. It will be set to an unique value
%% based on the MD5 checksum of the BEAM code for the module.
OldUniq = 0,
Lambdas = [{Lbl,{OldIndex,Lbl,Index,NumFree,OldUniq}}|Lambdas0],
- {OldIndex,Dict#asm{lambdas=Lambdas}}.
+ {OldIndex,Dict#asm{lambdas={OldIndex+1,Lambdas}}}.
%% Returns the index for a literal (adding it to the literal table if necessary).
%% literal(Literal, Dict) -> {Index,Dict'}
@@ -236,13 +235,13 @@ string_table(#asm{strings=Strings,string_offset=Size}) ->
-spec lambda_table(bdict()) -> {non_neg_integer(), [<<_:192>>]}.
-lambda_table(#asm{locals=Loc0,lambdas=Lambdas0}) ->
+lambda_table(#asm{locals=Loc0,lambdas={NumLambdas,Lambdas0}}) ->
Lambdas1 = sofs:relation(Lambdas0),
Loc = sofs:relation([{Lbl,{F,A}} || {F,A,Lbl} <- Loc0]),
Lambdas2 = sofs:relative_product1(Lambdas1, Loc),
Lambdas = [<<F:32,A:32,Lbl:32,Index:32,NumFree:32,OldUniq:32>> ||
{{_,Lbl,Index,NumFree,OldUniq},{F,A}} <- sofs:to_external(Lambdas2)],
- {length(Lambdas),Lambdas}.
+ {NumLambdas,Lambdas}.
%% Returns the literal table.
%% literal_table(Dict) -> {NumLiterals, [<<TermSize>>,TermInExternalFormat]}
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index cdace42a68..fd38fc0095 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -31,13 +31,6 @@
-import(lists, [reverse/1,foldl/3,foreach/2,dropwhile/2]).
-%%-define(DEBUG, 1).
--ifdef(DEBUG).
--define(DBG_FORMAT(F, D), (io:format((F), (D)))).
--else.
--define(DBG_FORMAT(F, D), ok).
--endif.
-
%% To be called by the compiler.
module({Mod,Exp,Attr,Fs,Lc}=Code, _Opts)
when is_atom(Mod), is_list(Exp), is_list(Attr), is_integer(Lc) ->
@@ -168,29 +161,18 @@ validate_0(Module, [{function,Name,Ar,Entry,Code}|Fs], Ft) ->
% in the module (those that start with bs_start_match2).
}).
--ifdef(DEBUG).
-print_st(#st{x=Xs,y=Ys,numy=NumY,h=H,ct=Ct}) ->
- io:format(" #st{x=~p~n"
- " y=~p~n"
- " numy=~p,h=~p,ct=~w~n",
- [gb_trees:to_list(Xs),gb_trees:to_list(Ys),NumY,H,Ct]).
--endif.
-
validate_1(Is, Name, Arity, Entry, Ft) ->
validate_2(labels(Is), Name, Arity, Entry, Ft).
validate_2({Ls1,[{func_info,{atom,Mod},{atom,Name},Arity}=_F|Is]},
Name, Arity, Entry, Ft) ->
- lists:foreach(fun (_L) -> ?DBG_FORMAT(" ~p.~n", [{label,_L}]) end, Ls1),
- ?DBG_FORMAT(" ~p.~n", [_F]),
validate_3(labels(Is), Name, Arity, Entry, Mod, Ls1, Ft);
validate_2({Ls1,Is}, Name, Arity, _Entry, _Ft) ->
error({{'_',Name,Arity},{first(Is),length(Ls1),illegal_instruction}}).
validate_3({Ls2,Is}, Name, Arity, Entry, Mod, Ls1, Ft) ->
- lists:foreach(fun (_L) -> ?DBG_FORMAT(" ~p.~n", [{label,_L}]) end, Ls2),
Offset = 1 + length(Ls1) + 1 + length(Ls2),
- EntryOK = (Entry =:= undefined) orelse lists:member(Entry, Ls2),
+ EntryOK = lists:member(Entry, Ls2),
if
EntryOK ->
St = init_state(Arity),
@@ -258,7 +240,6 @@ valfun([], MFA, _Offset, #vst{branched=Targets0,labels=Labels0}=Vst) ->
error({MFA,Error})
end;
valfun([I|Is], MFA, Offset, Vst0) ->
- ?DBG_FORMAT(" ~p.\n", [I]),
valfun(Is, MFA, Offset+1,
try
Vst = val_dsetel(I, Vst0),
@@ -276,7 +257,6 @@ valfun_1({label,Lbl}, #vst{current=St0,branched=B,labels=Lbls}=Vst) ->
valfun_1(_I, #vst{current=none}=Vst) ->
%% Ignore instructions after erlang:error/1,2, which
%% the original R10B compiler thought would return.
- ?DBG_FORMAT("Ignoring ~p\n", [_I]),
Vst;
valfun_1({badmatch,Src}, Vst) ->
assert_term(Src, Vst),
@@ -1626,8 +1606,4 @@ min(A, B) when is_integer(A), is_integer(B) -> B.
gb_trees_from_list(L) -> gb_trees:from_orddict(lists:sort(L)).
--ifdef(DEBUG).
-error(Error) -> exit(Error).
--else.
error(Error) -> throw(Error).
--endif.
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl
index 010327b5e3..e7a2b8177a 100644
--- a/lib/compiler/src/cerl.erl
+++ b/lib/compiler/src/cerl.erl
@@ -1598,13 +1598,20 @@ is_c_map(#c_literal{val = V}) when is_map(V) ->
is_c_map(_) ->
false.
--spec map_es(c_map()) -> [c_map_pair()].
+-spec map_es(c_map() | c_literal()) -> [c_map_pair()].
+map_es(#c_literal{anno=As,val=M}) when is_map(M) ->
+ [ann_c_map_pair(As,
+ #c_literal{anno=As,val='assoc'},
+ #c_literal{anno=As,val=K},
+ #c_literal{anno=As,val=V}) || {K,V} <- maps:to_list(M)];
map_es(#c_map{es = Es}) ->
Es.
--spec map_arg(c_map()) -> c_map() | c_literal().
+-spec map_arg(c_map() | c_literal()) -> c_map() | c_literal().
+map_arg(#c_literal{anno=As,val=M}) when is_map(M) ->
+ #c_literal{anno=As,val=#{}};
map_arg(#c_map{arg=M}) ->
M.
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index a2a23a2b90..72f1a767ed 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -40,6 +40,8 @@
%%----------------------------------------------------------------------
+-type abstract_code() :: [erl_parse:abstract_form()].
+
-type option() :: atom() | {atom(), term()} | {'d', atom(), term()}.
-type err_info() :: {erl_anno:line() | 'none',
@@ -48,6 +50,9 @@
-type warnings() :: [{file:filename(), [err_info()]}].
-type mod_ret() :: {'ok', module()}
| {'ok', module(), cerl:c_module()} %% with option 'to_core'
+ | {'ok', %% with option 'to_pp'
+ module() | [], %% module() if 'to_exp'
+ abstract_code()}
| {'ok', module(), warnings()}.
-type bin_ret() :: {'ok', module(), binary()}
| {'ok', module(), binary(), warnings()}.
@@ -78,7 +83,11 @@ file(File, Opts) when is_list(Opts) ->
file(File, Opt) ->
file(File, [Opt|?DEFAULT_OPTIONS]).
-forms(File) -> forms(File, ?DEFAULT_OPTIONS).
+-spec forms(abstract_code()) -> comp_ret().
+
+forms(Forms) -> forms(Forms, ?DEFAULT_OPTIONS).
+
+-spec forms(abstract_code(), [option()] | option()) -> comp_ret().
forms(Forms, Opts) when is_list(Opts) ->
do_compile({forms,Forms}, [binary|Opts++env_default_opts()]);
@@ -106,6 +115,8 @@ noenv_file(File, Opts) when is_list(Opts) ->
noenv_file(File, Opt) ->
noenv_file(File, [Opt|?DEFAULT_OPTIONS]).
+-spec noenv_forms(abstract_code(), [option()] | option()) -> comp_ret().
+
noenv_forms(Forms, Opts) when is_list(Opts) ->
do_compile({forms,Forms}, [binary|Opts]);
noenv_forms(Forms, Opt) when is_atom(Opt) ->
@@ -1306,21 +1317,12 @@ generate_key(String) when is_list(String) ->
encrypt({des3_cbc=Type,Key,IVec,BlockSize}, Bin0) ->
Bin1 = case byte_size(Bin0) rem BlockSize of
0 -> Bin0;
- N -> list_to_binary([Bin0,random_bytes(BlockSize-N)])
+ N -> list_to_binary([Bin0,crypto:rand_bytes(BlockSize-N)])
end,
Bin = crypto:block_encrypt(Type, Key, IVec, Bin1),
TypeString = atom_to_list(Type),
list_to_binary([0,length(TypeString),TypeString,Bin]).
-random_bytes(N) ->
- _ = random:seed(erlang:time_offset(),
- erlang:monotonic_time(),
- erlang:unique_integer()),
- random_bytes_1(N, []).
-
-random_bytes_1(0, Acc) -> Acc;
-random_bytes_1(N, Acc) -> random_bytes_1(N-1, [random:uniform(255)|Acc]).
-
save_core_code(St) ->
{ok,St#compile{core_code=cerl:from_records(St#compile.code)}}.
diff --git a/lib/compiler/src/rec_env.erl b/lib/compiler/src/rec_env.erl
index 0e9e12d1ad..5a4a870769 100644
--- a/lib/compiler/src/rec_env.erl
+++ b/lib/compiler/src/rec_env.erl
@@ -598,7 +598,16 @@ start_range(Env) ->
%% (pseudo-)randomly distributed over the range.
generate(_N, Range) ->
- random:uniform(Range). % works well
+ %% We must use the same sequence of random variables to ensure
+ %% that two compilations of the same source code generates the
+ %% same BEAM code.
+ case rand:export_seed() of
+ undefined ->
+ rand:seed(exsplus, {1,42,2053});
+ _ ->
+ ok
+ end,
+ rand:uniform(Range). % works well
%% =====================================================================
diff --git a/lib/compiler/src/sys_core_dsetel.erl b/lib/compiler/src/sys_core_dsetel.erl
index ac32db10fe..c6cfdbae7e 100644
--- a/lib/compiler/src/sys_core_dsetel.erl
+++ b/lib/compiler/src/sys_core_dsetel.erl
@@ -72,7 +72,7 @@ module(M0, _Options) ->
{ok,M}.
visit_module(#c_module{defs=Ds0}=R) ->
- Env = dict:new(),
+ Env = #{},
Ds = visit_module_1(Ds0, Env, []),
R#c_module{defs=Ds}.
@@ -95,9 +95,11 @@ visit(Env, #c_var{name={_,_}}=R) ->
{R, Env};
visit(Env0, #c_var{name=X}=R) ->
%% There should not be any free variables. If there are,
- %% the next line will cause an exception.
- {ok, N} = dict:find(X, Env0),
- {R, dict:store(X, N+1, Env0)};
+ %% the case will fail with an exception.
+ case Env0 of
+ #{X:=N} ->
+ {R, Env0#{X:=N+1}}
+ end;
visit(Env, #c_literal{}=R) ->
{R, Env};
visit(Env0, #c_tuple{es=Es0}=R) ->
@@ -203,7 +205,7 @@ bind_vars(Vs, Env) ->
bind_vars(Vs, Env, []).
bind_vars([#c_var{name=X}|Vs], Env0, Xs)->
- bind_vars(Vs, dict:store(X, 0, Env0), [X|Xs]);
+ bind_vars(Vs, Env0#{X=>0}, [X|Xs]);
bind_vars([], Env,Xs) ->
{Xs, Env}.
@@ -217,7 +219,7 @@ visit_pats([], Env, Vs) ->
{Vs, Env}.
visit_pat(Env0, #c_var{name=V}, Vs) ->
- {[V|Vs], dict:store(V, 0, Env0)};
+ {[V|Vs], Env0#{V=>0}};
visit_pat(Env0, #c_tuple{es=Es}, Vs) ->
visit_pats(Es, Env0, Vs);
visit_pat(Env0, #c_map{es=Es}, Vs) ->
@@ -235,23 +237,25 @@ visit_pat(Env0, #c_bitstr{val=Val,size=Sz}, Vs0) ->
case Sz of
#c_var{name=V} ->
%% We don't tolerate free variables.
- {ok, N} = dict:find(V, Env0),
- {Vs0, dict:store(V, N+1, Env0)};
+ case Env0 of
+ #{V:=N} ->
+ {Vs0, Env0#{V:=N+1}}
+ end;
_ ->
visit_pat(Env0, Sz, Vs0)
end,
visit_pat(Env1, Val, Vs1);
visit_pat(Env0, #c_alias{pat=P,var=#c_var{name=V}}, Vs) ->
- visit_pat(dict:store(V, 0, Env0), P, [V|Vs]);
+ visit_pat(Env0#{V=>0}, P, [V|Vs]);
visit_pat(Env, #c_literal{}, Vs) ->
{Vs, Env}.
restore_vars([V|Vs], Env0, Env1) ->
- case dict:find(V, Env0) of
- {ok, N} ->
- restore_vars(Vs, Env0, dict:store(V, N, Env1));
- error ->
- restore_vars(Vs, Env0, dict:erase(V, Env1))
+ case Env0 of
+ #{V:=N} ->
+ restore_vars(Vs, Env0, Env1#{V=>N});
+ _ ->
+ restore_vars(Vs, Env0, maps:remove(V, Env1))
end;
restore_vars([], _, Env1) ->
Env1.
@@ -349,8 +353,8 @@ is_safe(#c_literal{}) -> true;
is_safe(_) -> false.
is_single_use(V, Env) ->
- case dict:find(V, Env) of
- {ok, 1} ->
+ case Env of
+ #{V:=1} ->
true;
_ ->
false
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index 0a16776bd4..43ce9a7172 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -3097,12 +3097,12 @@ bsm_ensure_no_partition_2([#c_var{name=V}|Ps], N, G, Vstate, S) ->
bsm_ensure_no_partition_2([_|Ps], N, G, _, S) ->
bsm_ensure_no_partition_2(Ps, N-1, G, bin_argument_order, S).
-bsm_ensure_no_partition_after([#c_clause{pats=Ps}|Cs], Pos) ->
+bsm_ensure_no_partition_after([#c_clause{pats=Ps}=C|Cs], Pos) ->
case nth(Pos, Ps) of
#c_var{} ->
bsm_ensure_no_partition_after(Cs, Pos);
- P ->
- bsm_problem(P, bin_partition)
+ _ ->
+ bsm_problem(C, bin_partition)
end;
bsm_ensure_no_partition_after([], _) -> ok.
diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index d9cc4b530c..7ab4e1845c 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -29,30 +29,26 @@
%% Main entry point.
-export([module/2]).
--import(ordsets, [from_list/1,union/2]).
-import(lists, [member/2,foldl/3,foldr/3]).
--include("../include/erl_bits.hrl").
-
-type fa() :: {atom(), arity()}.
-record(expand, {module=[], %Module name
exports=[], %Exports
- imports=[], %Imports
attributes=[], %Attributes
callbacks=[], %Callbacks
optional_callbacks=[] :: [fa()], %Optional callbacks
- defined, %Defined functions (gb_set)
vcount=0, %Variable counter
func=[], %Current function
arity=[], %Arity for current function
- fcount=0 %Local fun count
+ fcount=0, %Local fun count
+ ctype %Call type map
}).
%% module(Forms, CompileOptions)
%% {ModuleName,Exports,TransformedForms,CompileOptions'}
-%% Expand the forms in one module. N.B.: the lists of predefined
-%% exports and imports are really ordsets!
+%% Expand the forms in one module.
+%%
%% CompileOptions is augmented with options from -compile attributes.
module(Fs0, Opts0) ->
@@ -65,19 +61,28 @@ module(Fs0, Opts0) ->
%% Set pre-defined exported functions.
PreExp = [{module_info,0},{module_info,1}],
+ %% Build the set of defined functions and the initial call
+ %% type map.
+ Defined = defined_functions(Fs, PreExp),
+ Ctype = maps:from_list([{K,local} || K <- Defined]),
+
%% Build initial expand record.
St0 = #expand{exports=PreExp,
- defined=PreExp
+ ctype=Ctype
},
+
%% Expand the functions.
- {Tfs,St1} = forms(Fs, define_functions(Fs, St0)),
+ {Tfs,St1} = forms(Fs, St0),
+
%% Get the correct list of exported functions.
Exports = case member(export_all, Opts) of
- true -> gb_sets:to_list(St1#expand.defined);
+ true -> Defined;
false -> St1#expand.exports
end,
+ St2 = St1#expand{exports=Exports,ctype=undefined},
+
%% Generate all functions from stored info.
- {Ats,St3} = module_attrs(St1#expand{exports = Exports}),
+ {Ats,St3} = module_attrs(St2),
{Mfs,St4} = module_predef_funcs(St3),
{St4#expand.module, St4#expand.exports, Ats ++ Tfs ++ Mfs,
Opts}.
@@ -85,14 +90,14 @@ module(Fs0, Opts0) ->
compiler_options(Forms) ->
lists:flatten([C || {attribute,_,compile,C} <- Forms]).
-%% define_function(Form, State) -> State.
+%% defined_function(Forms, Predef) -> Functions.
%% Add function to defined if form is a function.
-define_functions(Forms, #expand{defined=Predef}=St) ->
+defined_functions(Forms, Predef) ->
Fs = foldl(fun({function,_,N,A,_Cs}, Acc) -> [{N,A}|Acc];
(_, Acc) -> Acc
end, Predef, Forms),
- St#expand{defined=gb_sets:from_list(Fs)}.
+ ordsets:from_list(Fs).
module_attrs(#expand{attributes=Attributes}=St) ->
Attrs = [{attribute,Line,Name,Val} || {Name,Line,Val} <- Attributes],
@@ -113,23 +118,21 @@ is_fa_list([{FuncName, Arity}|L])
is_fa_list([]) -> true;
is_fa_list(_) -> false.
-module_predef_funcs(St) ->
- {Mpf1,St1}=module_predef_func_beh_info(St),
- {Mpf2,St2}=module_predef_funcs_mod_info(St1),
+module_predef_funcs(St0) ->
+ {Mpf1,St1} = module_predef_func_beh_info(St0),
+ Mpf2 = module_predef_funcs_mod_info(St1),
Mpf = [erl_parse:new_anno(F) || F <- Mpf1++Mpf2],
- {Mpf,St2}.
+ {Mpf,St1}.
module_predef_func_beh_info(#expand{callbacks=[]}=St) ->
{[], St};
module_predef_func_beh_info(#expand{callbacks=Callbacks,
optional_callbacks=OptionalCallbacks,
- defined=Defined,
exports=Exports}=St) ->
- PreDef=[{behaviour_info,1}],
- PreExp=PreDef,
+ PreDef0 = [{behaviour_info,1}],
+ PreDef = ordsets:from_list(PreDef0),
{[gen_beh_info(Callbacks, OptionalCallbacks)],
- St#expand{defined=gb_sets:union(gb_sets:from_list(PreDef), Defined),
- exports=union(from_list(PreExp), Exports)}}.
+ St#expand{exports=ordsets:union(PreDef, Exports)}}.
gen_beh_info(Callbacks, OptionalCallbacks) ->
List = make_list(Callbacks),
@@ -156,20 +159,16 @@ make_optional_list([{Name,Arity}|Rest]) ->
{integer,0,Arity}]},
make_optional_list(Rest)}.
-module_predef_funcs_mod_info(St) ->
- PreDef = [{module_info,0},{module_info,1}],
- PreExp = PreDef,
- {[{function,0,module_info,0,
- [{clause,0,[],[],
+module_predef_funcs_mod_info(#expand{module=Mod}) ->
+ ModAtom = {atom,0,Mod},
+ [{function,0,module_info,0,
+ [{clause,0,[],[],
[{call,0,{remote,0,{atom,0,erlang},{atom,0,get_module_info}},
- [{atom,0,St#expand.module}]}]}]},
- {function,0,module_info,1,
- [{clause,0,[{var,0,'X'}],[],
+ [ModAtom]}]}]},
+ {function,0,module_info,1,
+ [{clause,0,[{var,0,'X'}],[],
[{call,0,{remote,0,{atom,0,erlang},{atom,0,get_module_info}},
- [{atom,0,St#expand.module},{var,0,'X'}]}]}]}],
- St#expand{defined=gb_sets:union(gb_sets:from_list(PreDef),
- St#expand.defined),
- exports=union(from_list(PreExp), St#expand.exports)}}.
+ [ModAtom,{var,0,'X'}]}]}]}].
%% forms(Forms, State) ->
%% {TransformedForms,State'}
@@ -196,7 +195,8 @@ attribute(module, Module, _L, St) ->
true = is_atom(Module),
St#expand{module=Module};
attribute(export, Es, _L, St) ->
- St#expand{exports=union(from_list(Es), St#expand.exports)};
+ St#expand{exports=ordsets:union(ordsets:from_list(Es),
+ St#expand.exports)};
attribute(import, Is, _L, St) ->
import(Is, St);
attribute(compile, _C, _L, St) ->
@@ -231,8 +231,6 @@ head(As, St) -> pattern_list(As, St).
%% {TransformedPattern,State'}
%%
-pattern({var,_,'_'}=Var, St) -> %Ignore anonymous variable.
- {Var,St};
pattern({var,_,_}=Var, St) ->
{Var,St};
pattern({char,_,_}=Char, St) ->
@@ -385,19 +383,19 @@ expr({block,Line,Es0}, St0) ->
{Es,St1} = exprs(Es0, St0),
{{block,Line,Es},St1};
expr({'if',Line,Cs0}, St0) ->
- {Cs,St1} = icr_clauses(Cs0, St0),
+ {Cs,St1} = clauses(Cs0, St0),
{{'if',Line,Cs},St1};
expr({'case',Line,E0,Cs0}, St0) ->
{E,St1} = expr(E0, St0),
- {Cs,St2} = icr_clauses(Cs0, St1),
+ {Cs,St2} = clauses(Cs0, St1),
{{'case',Line,E,Cs},St2};
expr({'receive',Line,Cs0}, St0) ->
- {Cs,St1} = icr_clauses(Cs0, St0),
+ {Cs,St1} = clauses(Cs0, St0),
{{'receive',Line,Cs},St1};
expr({'receive',Line,Cs0,To0,ToEs0}, St0) ->
{To,St1} = expr(To0, St0),
{ToEs,St2} = exprs(ToEs0, St1),
- {Cs,St3} = icr_clauses(Cs0, St2),
+ {Cs,St3} = clauses(Cs0, St2),
{{'receive',Line,Cs,To,ToEs},St3};
expr({'fun',Line,Body}, St) ->
fun_tq(Line, Body, St);
@@ -406,21 +404,15 @@ expr({named_fun,Line,Name,Cs}, St) ->
expr({call,Line,{atom,La,N}=Atom,As0}, St0) ->
{As,St1} = expr_list(As0, St0),
Ar = length(As),
- case defined(N,Ar,St1) of
- true ->
+ Key = {N,Ar},
+ case St1#expand.ctype of
+ #{Key:=local} ->
{{call,Line,Atom,As},St1};
+ #{Key:={imported,Mod}} ->
+ {{call,Line,{remote,La,{atom,La,Mod},Atom},As},St1};
_ ->
- case imported(N, Ar, St1) of
- {yes,Mod} ->
- {{call,Line,{remote,La,{atom,La,Mod},Atom},As},St1};
- no ->
- case erl_internal:bif(N, Ar) of
- true ->
- {{call,Line,{remote,La,{atom,La,erlang},Atom},As},St1};
- false -> %% This should have been handled by erl_lint
- {{call,Line,Atom,As},St1}
- end
- end
+ true = erl_internal:bif(N, Ar),
+ {{call,Line,{remote,La,{atom,La,erlang},Atom},As},St1}
end;
expr({call,Line,{remote,Lr,M0,F},As0}, St0) ->
{[M1,F1|As1],St1} = expr_list([M0,F|As0], St0),
@@ -430,12 +422,11 @@ expr({call,Line,F,As0}, St0) ->
{{call,Line,Fun1,As1},St1};
expr({'try',Line,Es0,Scs0,Ccs0,As0}, St0) ->
{Es1,St1} = exprs(Es0, St0),
- {Scs1,St2} = icr_clauses(Scs0, St1),
- {Ccs1,St3} = icr_clauses(Ccs0, St2),
+ {Scs1,St2} = clauses(Scs0, St1),
+ {Ccs1,St3} = clauses(Ccs0, St2),
{As1,St4} = exprs(As0, St3),
{{'try',Line,Es1,Scs1,Ccs1,As1},St4};
expr({'catch',Line,E0}, St0) ->
- %% Catch exports no new variables.
{E,St1} = expr(E0, St0),
{{'catch',Line,E},St1};
expr({match,Line,P0,E0}, St0) ->
@@ -456,21 +447,6 @@ expr_list([E0|Es0], St0) ->
{[E|Es],St2};
expr_list([], St) -> {[],St}.
-%% icr_clauses([Clause], State) -> {[TransformedClause],State'}
-%% Be very careful here to return the variables that are really used
-%% and really new.
-
-icr_clauses([], St) -> {[],St};
-icr_clauses(Clauses, St) -> icr_clauses2(Clauses, St).
-
-icr_clauses2([{clause,Line,H0,G0,B0}|Cs0], St0) ->
- {H,St1} = head(H0, St0),
- {G,St2} = guard(G0, St1),
- {B,St3} = exprs(B0, St2),
- {Cs,St4} = icr_clauses2(Cs0, St3),
- {[{clause,Line,H,G,B}|Cs],St4};
-icr_clauses2([], St) -> {[],St}.
-
%% lc_tq(Line, Qualifiers, State) ->
%% {[TransQual],State'}
@@ -486,16 +462,9 @@ lc_tq(Line, [{b_generate,Lg,P0,G0}|Qs0], St0) ->
{Qs1,St3} = lc_tq(Line, Qs0, St2),
{[{b_generate,Lg,P1,G1}|Qs1],St3};
lc_tq(Line, [F0 | Qs0], St0) ->
- case erl_lint:is_guard_test(F0) of
- true ->
- {F1,St1} = guard_test(F0, St0),
- {Qs1,St2} = lc_tq(Line, Qs0, St1),
- {[F1|Qs1],St2};
- false ->
- {F1,St1} = expr(F0, St0),
- {Qs1,St2} = lc_tq(Line, Qs0, St1),
- {[F1 | Qs1],St2}
- end;
+ {F1,St1} = expr(F0, St0),
+ {Qs1,St2} = lc_tq(Line, Qs0, St1),
+ {[F1|Qs1],St2};
lc_tq(_Line, [], St0) ->
{[],St0}.
@@ -527,7 +496,7 @@ fun_tq(L, {function,M,F,A}, St) when is_atom(M), is_atom(F), is_integer(A) ->
fun_tq(Lf, {function,_,_,_}=ExtFun, St) ->
{{'fun',Lf,ExtFun},St};
fun_tq(Lf, {clauses,Cs0}, St0) ->
- {Cs1,St1} = fun_clauses(Cs0, St0),
+ {Cs1,St1} = clauses(Cs0, St0),
{Fname,St2} = new_fun_name(St1),
%% Set dummy values for Index and Uniq -- the real values will
%% be assigned by beam_asm.
@@ -535,18 +504,10 @@ fun_tq(Lf, {clauses,Cs0}, St0) ->
{{'fun',Lf,{clauses,Cs1},{Index,Uniq,Fname}},St2}.
fun_tq(Line, Cs0, St0, Name) ->
- {Cs1,St1} = fun_clauses(Cs0, St0),
+ {Cs1,St1} = clauses(Cs0, St0),
{Fname,St2} = new_fun_name(St1, Name),
{{named_fun,Line,Name,Cs1,{0,0,Fname}},St2}.
-fun_clauses([{clause,L,H0,G0,B0}|Cs0], St0) ->
- {H,St1} = head(H0, St0),
- {G,St2} = guard(G0, St1),
- {B,St3} = exprs(B0, St2),
- {Cs,St4} = fun_clauses(Cs0, St3),
- {[{clause,L,H,G,B}|Cs],St4};
-fun_clauses([], St) -> {[],St}.
-
%% new_fun_name(State) -> {FunName,State}.
new_fun_name(St) ->
@@ -571,7 +532,6 @@ pattern_element({bin_element,Line,Expr0,Size0,Type0}, {Es,St0}) ->
{[{bin_element,Line,Expr,Size,Type}|Es],St2}.
pat_bit_size(default, St) -> {default,St};
-pat_bit_size({atom,_La,all}=All, St) -> {All,St};
pat_bit_size({var,_Lv,_V}=Var, St) -> {Var,St};
pat_bit_size(Size, St) ->
Line = element(2, Size),
@@ -592,8 +552,7 @@ coerce_to_float({integer,L,I}=E, [float|_]) ->
try
{float,L,float(I)}
catch
- error:badarg -> E;
- error:badarith -> E
+ error:badarg -> E
end;
coerce_to_float(E, _) -> E.
@@ -647,25 +606,11 @@ string_to_conses(Line, Cs, Tail) ->
%% import(Line, Imports, State) ->
%% State'
-%% imported(Name, Arity, State) ->
-%% {yes,Module} | no
-%% Handle import declarations and test for imported functions. No need to
-%% check when building imports as code is correct.
+%% Handle import declarations.
-import({Mod,Fs}, St) ->
+import({Mod,Fs}, #expand{ctype=Ctype0}=St) ->
true = is_atom(Mod),
- Mfs = from_list(Fs),
- St#expand{imports=add_imports(Mod, Mfs, St#expand.imports)}.
-
-add_imports(Mod, [F|Fs], Is) ->
- add_imports(Mod, Fs, orddict:store(F, Mod, Is));
-add_imports(_, [], Is) -> Is.
-
-imported(F, A, St) ->
- case orddict:find({F,A}, St#expand.imports) of
- {ok,Mod} -> {yes,Mod};
- error -> no
- end.
-
-defined(F, A, St) ->
- gb_sets:is_element({F,A}, St#expand.defined).
+ Ctype = foldl(fun(F, A) ->
+ A#{F=>{imported,Mod}}
+ end, Ctype0, Fs),
+ St#expand{ctype=Ctype}.
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl
index 5083995f30..6f1912c616 100644
--- a/lib/compiler/src/v3_codegen.erl
+++ b/lib/compiler/src/v3_codegen.erl
@@ -1330,12 +1330,13 @@ bif_cg(Bif, As, [{var,V}], Le, Vdb, Bef, St0) ->
%% that we save any variable that will be live after this BIF call.
MayFail = not erl_bifs:is_safe(erlang, Bif, length(As)),
- {Sis,Int0} = case St0#cg.in_catch andalso
- St0#cg.bfail =:= 0 andalso
- MayFail of
- true -> adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb);
- false -> {[],Bef}
- end,
+ {Sis,Int0} =
+ case MayFail of
+ true ->
+ maybe_adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb, St0);
+ false ->
+ {[],Bef}
+ end,
Int1 = clear_dead(Int0, Le#l.i, Vdb),
Reg = put_reg(V, Int1#sr.reg),
Int = Int1#sr{reg=Reg},
@@ -1366,11 +1367,7 @@ gc_bif_cg(Bif, As, [{var,V}], Le, Vdb, Bef, St0) ->
%% Currently, we are somewhat pessimistic in
%% that we save any variable that will be live after this BIF call.
- {Sis,Int0} =
- case St0#cg.in_catch andalso St0#cg.bfail =:= 0 of
- true -> adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb);
- false -> {[],Bef}
- end,
+ {Sis,Int0} = maybe_adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb, St0),
Int1 = clear_dead(Int0, Le#l.i, Vdb),
Reg = put_reg(V, Int1#sr.reg),
@@ -1515,8 +1512,7 @@ set_cg([{var,R}], {cons,Es}, Le, Vdb, Bef, St) ->
Int1 = Int0#sr{reg=put_reg(R, Int0#sr.reg)},
Ret = fetch_reg(R, Int1#sr.reg),
{[{put_list,S1,S2,Ret}], Int1, St};
-set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef,
- #cg{in_catch=InCatch, bfail=Bfail}=St) ->
+set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef, #cg{bfail=Bfail}=St) ->
%% At run-time, binaries are constructed in three stages:
%% 1) First the size of the binary is calculated.
%% 2) Then the binary is allocated.
@@ -1535,11 +1531,7 @@ set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef,
%% First generate the code that constructs each field.
Fail = {f,Bfail},
PutCode = cg_bin_put(Segs, Fail, Bef),
- {Sis,Int1} =
- case InCatch of
- true -> adjust_stack(Int0, Le#l.i, Le#l.i+1, Vdb);
- false -> {[],Int0}
- end,
+ {Sis,Int1} = maybe_adjust_stack(Int0, Le#l.i, Le#l.i+1, Vdb, St),
MaxRegs = max_reg(Bef#sr.reg),
Aft = clear_dead(Int1, Le#l.i, Vdb),
@@ -1548,14 +1540,11 @@ set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef,
{Sis++Code,Aft,St};
% Map single variable key
set_cg([{var,R}], {map,Op,Map,[{map_pair,{var,_}=K,V}]}, Le, Vdb, Bef,
- #cg{in_catch=InCatch,bfail=Bfail}=St) ->
+ #cg{bfail=Bfail}=St) ->
Fail = {f,Bfail},
- {Sis,Int0} =
- case InCatch of
- true -> adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb);
- false -> {[],Bef}
- end,
+ {Sis,Int0} = maybe_adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb, St),
+
SrcReg = cg_reg_arg(Map,Int0),
Line = line(Le#l.a),
@@ -1576,17 +1565,13 @@ set_cg([{var,R}], {map,Op,Map,[{map_pair,{var,_}=K,V}]}, Le, Vdb, Bef,
% Map (possibly) multiple literal keys
set_cg([{var,R}], {map,Op,Map,Es}, Le, Vdb, Bef,
- #cg{in_catch=InCatch,bfail=Bfail}=St) ->
+ #cg{bfail=Bfail}=St) ->
%% assert key literals
[] = [Var||{map_pair,{var,_}=Var,_} <- Es],
Fail = {f,Bfail},
- {Sis,Int0} =
- case InCatch of
- true -> adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb);
- false -> {[],Bef}
- end,
+ {Sis,Int0} = maybe_adjust_stack(Bef, Le#l.i, Le#l.i+1, Vdb, St),
SrcReg = cg_reg_arg(Map,Int0),
Line = line(Le#l.a),
@@ -2041,6 +2026,19 @@ trim_free([R|Rs0]) ->
end;
trim_free([]) -> [].
+%% maybe_adjust_stack(Bef, FirstBefore, LastFrom, Vdb, St) -> {[Ainstr],Aft}.
+%% Adjust the stack, but only if the code is inside a catch and not
+%% inside a guard. Use this funtion before instructions that may
+%% cause an exception.
+
+maybe_adjust_stack(Bef, Fb, Lf, Vdb, St) ->
+ case St of
+ #cg{in_catch=true,bfail=0} ->
+ adjust_stack(Bef, Fb, Lf, Vdb);
+ #cg{} ->
+ {[],Bef}
+ end.
+
%% adjust_stack(Bef, FirstBefore, LastFrom, Vdb) -> {[Ainstr],Aft}.
%% Do complete stack adjustment by compressing stack and adding
%% variables to be saved. Try to optimise ordering on stack by
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 7c229210a0..8074456be2 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -805,7 +805,7 @@ map_op(map_field_assoc) -> #c_literal{val=assoc};
map_op(map_field_exact) -> #c_literal{val=exact}.
is_valid_map_src(#c_literal{val = M}) when is_map(M) -> true;
-is_valid_map_src(#c_var{}) -> true;
+is_valid_map_src(#c_var{}=Var) -> not cerl:is_c_fname(Var);
is_valid_map_src(_) -> false.
%% try_exception([ExcpClause], St) -> {[ExcpVar],Handler,St}.
diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl
index 7ee564683b..011748df3a 100644
--- a/lib/compiler/src/v3_kernel.erl
+++ b/lib/compiler/src/v3_kernel.erl
@@ -117,7 +117,7 @@ copy_anno(Kdst, Ksrc) ->
fcount=0, %Fun counter
ds=cerl_sets:new() :: cerl_sets:set(), %Defined variables
funs=[], %Fun functions
- free=[], %Free variables
+ free=#{}, %Free variables
ws=[] :: [warning()], %Warnings.
guard_refc=0}). %> 0 means in guard
@@ -1837,14 +1837,17 @@ handle_reuse_anno_1(V, _St) -> V.
%% get_free(Name, Arity, State) -> [Free].
%% store_free(Name, Arity, [Free], State) -> State.
-get_free(F, A, St) ->
- case orddict:find({F,A}, St#kern.free) of
- {ok,Val} -> Val;
- error -> []
+get_free(F, A, #kern{free=FreeMap}) ->
+ Key = {F,A},
+ case FreeMap of
+ #{Key:=Val} -> Val;
+ _ -> []
end.
-store_free(F, A, Free, St) ->
- St#kern{free=orddict:store({F,A}, Free, St#kern.free)}.
+store_free(F, A, Free, #kern{free=FreeMap0}=St) ->
+ Key = {F,A},
+ FreeMap = FreeMap0#{Key=>Free},
+ St#kern{free=FreeMap}.
break_rets({break,Rs}) -> Rs;
break_rets(return) -> [].
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-24 01:11:35 +0000