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-rw-r--r--lib/debugger/src/dbg_iload.erl347
1 files changed, 154 insertions, 193 deletions
diff --git a/lib/debugger/src/dbg_iload.erl b/lib/debugger/src/dbg_iload.erl
index db5a17ad2e..ce5631e45f 100644
--- a/lib/debugger/src/dbg_iload.erl
+++ b/lib/debugger/src/dbg_iload.erl
@@ -62,22 +62,23 @@ load_mod1(Mod, File, Binary, Db) ->
store_module(Mod, File, Binary, Db) ->
{interpreter_module, Exp, Abst, Src, MD5} = binary_to_term(Binary),
Forms = case abstr(Abst) of
- {abstract_v1,Forms0} -> Forms0;
- {abstract_v2,Forms0} -> Forms0;
+ {abstract_v1,_} ->
+ exit({Mod,too_old_beam_file});
+ {abstract_v2,_} ->
+ exit({Mod,too_old_beam_file});
{raw_abstract_v1,Code0} ->
Code = interpret_file_attribute(Code0),
{_,_,Forms0,_} = sys_pre_expand:module(Code, []),
Forms0
end,
dbg_idb:insert(Db, mod_file, File),
- dbg_idb:insert(Db, exports, Exp),
dbg_idb:insert(Db, defs, []),
put(vcount, 0),
put(fun_count, 0),
put(funs, []),
put(mod_md5, MD5),
- Attr = store_forms(Forms, Mod, Db, Exp, []),
+ store_forms(Forms, Mod, Db, Exp),
erase(mod_md5),
erase(current_function),
%% store_funs(Db, Mod),
@@ -85,11 +86,10 @@ store_module(Mod, File, Binary, Db) ->
erase(funs),
erase(fun_count),
- dbg_idb:insert(Db, attributes, Attr),
NewBinary = store_mod_line_no(Mod, Db, binary_to_list(Src)),
dbg_idb:insert(Db, mod_bin, NewBinary),
- dbg_idb:insert(Db, mod_raw, <<Src/binary,0:8>>), %% Add eos
- dbg_idb:insert(Db, module, Mod).
+ dbg_idb:insert(Db, mod_raw, <<Src/binary,0:8>>). %% Add eos
+
%% Adjust line numbers using the file/2 attribute.
%% Also take the absolute value of line numbers.
%% This simple fix will make the marker point at the correct line
@@ -111,27 +111,19 @@ abstr(Term) -> Term.
% store_funs_1(Fs, Db, Mod);
% store_funs_1([], _, _) -> ok.
-store_forms([{function,_,module_info,0,_}|Fs], Mod, Db, Exp, Attr) ->
- Cs = [{clause,0,[],[], [{module_info_0,0,Mod}]}],
- dbg_idb:insert(Db, {Mod,module_info,0,true}, Cs),
- store_forms(Fs, Mod, Db, Exp, Attr);
-store_forms([{function,_,module_info,1,_}|Fs], Mod, Db, Exp, Attr) ->
- Cs = [{clause,0,[{var,0,'What'}],[], [{module_info_1,0,Mod,[{var,0,'What'}]}]}],
- dbg_idb:insert(Db, {Mod,module_info,1,true}, Cs),
- store_forms(Fs, Mod, Db, Exp, Attr);
-store_forms([{function,_,Name,Arity,Cs0}|Fs], Mod, Db, Exp, Attr) ->
+store_forms([{function,_,Name,Arity,Cs0}|Fs], Mod, Db, Exp) ->
FA = {Name,Arity},
put(current_function, FA),
Cs = clauses(Cs0),
Exported = lists:member(FA, Exp),
dbg_idb:insert(Db, {Mod,Name,Arity,Exported}, Cs),
- store_forms(Fs, Mod, Db, Exp, Attr);
-store_forms([{attribute,_,Name,Val}|Fs], Mod, Db, Exp, Attr) ->
- store_forms(Fs, Mod, Db, Exp, [{Name,Val}|Attr]);
-store_forms([F|_], _Mod, _Db, _Exp, _Attr) ->
+ store_forms(Fs, Mod, Db, Exp);
+store_forms([{attribute,_,_Name,_Val}|Fs], Mod, Db, Exp) ->
+ store_forms(Fs, Mod, Db, Exp);
+store_forms([F|_], _Mod, _Db, _Exp) ->
exit({unknown_form,F});
-store_forms([], _, _, _, Attr) ->
- lists:reverse(Attr).
+store_forms([], _, _, _) ->
+ ok.
store_mod_line_no(Mod, Db, Contents) ->
store_mod_line_no(Mod, Db, Contents, 1, 0, []).
@@ -164,14 +156,14 @@ get_nl([],Pos,Head) -> {lists:reverse(Head),[],Pos}.
%%% to interpret.
clauses([C0|Cs]) ->
- C1 = clause(C0),
+ C1 = clause(C0, true),
[C1|clauses(Cs)];
clauses([]) -> [].
-clause({clause,Line,H0,G0,B0}) ->
+clause({clause,Line,H0,G0,B0}, Lc) ->
H1 = head(H0),
G1 = guard(G0),
- B1 = exprs(B0),
+ B1 = exprs(B0, Lc),
{clause,Line,H1,G1,B1}.
head(Ps) -> patterns(Ps).
@@ -219,7 +211,7 @@ pattern({bin,Line,Grp}) ->
{bin,Line,Grp1};
pattern({bin_element,Line,Expr,Size,Type}) ->
Expr1 = pattern(Expr),
- Size1 = expr(Size),
+ Size1 = expr(Size, false),
{bin_element,Line,Expr1,Size1,Type}.
%% These patterns are processed "in parallel" for purposes of variable
@@ -235,8 +227,6 @@ guard([G0|Gs]) ->
[G1|guard(Gs)];
guard([]) -> [].
-and_guard([{atom,_,true}|Gs]) ->
- and_guard(Gs);
and_guard([G0|Gs]) ->
G1 = guard_test(G0),
[G1|and_guard(Gs)];
@@ -244,12 +234,7 @@ and_guard([]) -> [].
guard_test({call,Line,{remote,_,{atom,_,erlang},{atom,_,F}},As0}) ->
As = gexpr_list(As0),
- case map_guard_bif(F, length(As0)) of
- {ok,Name} ->
- {safe_bif,Line,erlang,Name,As};
- error ->
- {safe_bif,Line,erlang,F,As}
- end;
+ {safe_bif,Line,erlang,F,As};
guard_test({op,Line,Op,L0}) ->
true = erl_internal:arith_op(Op, 1) orelse %Assertion.
erl_internal:bool_op(Op, 1),
@@ -266,25 +251,18 @@ guard_test({op,Line,Op,L0,R0}) ->
L1 = gexpr(L0),
R1 = gexpr(R0), %They see the same variables
{safe_bif,Line,erlang,Op,[L1,R1]};
-guard_test({integer,_,_}=I) -> I;
-guard_test({char,_,_}=C) -> C;
-guard_test({float,_,_}=F) -> F;
-guard_test({atom,_,_}=A) -> A;
-guard_test({nil,_}=N) -> N;
-guard_test({var,_,_}=V) ->V. % Boolean var
-
-map_guard_bif(integer, 1) -> {ok,is_integer};
-map_guard_bif(float, 1) -> {ok,is_float};
-map_guard_bif(number, 1) -> {ok,is_number};
-map_guard_bif(atom, 1) -> {ok,is_atom};
-map_guard_bif(list, 1) -> {ok,is_list};
-map_guard_bif(tuple, 1) -> {ok,is_tuple};
-map_guard_bif(pid, 1) -> {ok,is_pid};
-map_guard_bif(reference, 1) -> {ok,is_reference};
-map_guard_bif(port, 1) -> {ok,is_port};
-map_guard_bif(binary, 1) -> {ok,is_binary};
-map_guard_bif(function, 1) -> {ok,is_function};
-map_guard_bif(_, _) -> error.
+guard_test({var,_,_}=V) ->V; % Boolean var
+guard_test({atom,Line,true}) -> {value,Line,true};
+%% All other constants at this level means false.
+guard_test({atom,Line,_}) -> {value,Line,false};
+guard_test({integer,Line,_}) -> {value,Line,false};
+guard_test({char,Line,_}) -> {value,Line,false};
+guard_test({float,Line,_}) -> {value,Line,false};
+guard_test({string,Line,_}) -> {value,Line,false};
+guard_test({nil,Line}) -> {value,Line,false};
+guard_test({cons,Line,_,_}) -> {value,Line,false};
+guard_test({tuple,Line,_}) -> {value,Line,false};
+guard_test({bin,Line,_}) -> {value,Line,false}.
gexpr({var,Line,V}) -> {var,Line,V};
gexpr({integer,Line,I}) -> {value,Line,I};
@@ -341,186 +319,179 @@ gexpr_list([]) -> [].
%% These expressions are processed "sequentially" for purposes of variable
%% definition etc.
-exprs([E0|Es]) ->
- E1 = expr(E0),
- [E1|exprs(Es)];
-exprs([]) -> [].
-
-expr({var,Line,V}) -> {var,Line,V};
-expr({integer,Line,I}) -> {value,Line,I};
-expr({char,Line,I}) -> {value,Line,I};
-expr({float,Line,F}) -> {value,Line,F};
-expr({atom,Line,A}) -> {value,Line,A};
-expr({string,Line,S}) -> {value,Line,S};
-expr({nil,Line}) -> {value,Line,[]};
-expr({cons,Line,H0,T0}) ->
- case {expr(H0),expr(T0)} of
+exprs([E], Lc) ->
+ [expr(E, Lc)];
+exprs([E0|Es], Lc) ->
+ E1 = expr(E0, false),
+ [E1|exprs(Es, Lc)];
+exprs([], _Lc) -> [].
+
+expr({var,Line,V}, _Lc) -> {var,Line,V};
+expr({integer,Line,I}, _Lc) -> {value,Line,I};
+expr({char,Line,I}, _Lc) -> {value,Line,I};
+expr({float,Line,F}, _Lc) -> {value,Line,F};
+expr({atom,Line,A}, _Lc) -> {value,Line,A};
+expr({string,Line,S}, _Lc) -> {value,Line,S};
+expr({nil,Line}, _Lc) -> {value,Line,[]};
+expr({cons,Line,H0,T0}, _Lc) ->
+ case {expr(H0, false),expr(T0, false)} of
{{value,Line,H1},{value,Line,T1}} -> {value,Line,[H1|T1]};
{H1,T1} -> {cons,Line,H1,T1}
end;
-expr({tuple,Line,Es0}) ->
+expr({tuple,Line,Es0}, _Lc) ->
Es1 = expr_list(Es0),
{tuple,Line,Es1};
-expr({block,Line,Es0}) ->
+expr({block,Line,Es0}, Lc) ->
%% Unfold block into a sequence.
- Es1 = exprs(Es0),
+ Es1 = exprs(Es0, Lc),
{block,Line,Es1};
-expr({'if',Line,Cs0}) ->
- Cs1 = icr_clauses(Cs0),
+expr({'if',Line,Cs0}, Lc) ->
+ Cs1 = icr_clauses(Cs0, Lc),
{'if',Line,Cs1};
-expr({'case',Line,E0,Cs0}) ->
- E1 = expr(E0),
- Cs1 = icr_clauses(Cs0),
+expr({'case',Line,E0,Cs0}, Lc) ->
+ E1 = expr(E0, false),
+ Cs1 = icr_clauses(Cs0, Lc),
{'case',Line,E1,Cs1};
-expr({'receive',Line,Cs0}) ->
- Cs1 = icr_clauses(Cs0),
+expr({'receive',Line,Cs0}, Lc) ->
+ Cs1 = icr_clauses(Cs0, Lc),
{'receive',Line,Cs1};
-expr({'receive',Line,Cs0,To0,ToEs0}) ->
- To1 = expr(To0),
- ToEs1 = exprs(ToEs0),
- Cs1 = icr_clauses(Cs0),
+expr({'receive',Line,Cs0,To0,ToEs0}, Lc) ->
+ To1 = expr(To0, false),
+ ToEs1 = exprs(ToEs0, Lc),
+ Cs1 = icr_clauses(Cs0, Lc),
{'receive',Line,Cs1,To1,ToEs1};
-expr({'fun',Line,{clauses,Cs0},{_,_,Name}}) when is_atom(Name) ->
+expr({'fun',Line,{clauses,Cs0},{_,_,Name}}, _Lc) when is_atom(Name) ->
%% New R10B-2 format (abstract_v2).
Cs = fun_clauses(Cs0),
{make_fun,Line,Name,Cs};
-expr({'fun',Line,{clauses,Cs0},{_,_,_,_,Name}}) when is_atom(Name) ->
- %% New R8 format (abstract_v2).
- Cs = fun_clauses(Cs0),
- {make_fun,Line,Name,Cs};
-expr({'fun',Line,{function,F,A},{_Index,_OldUniq,Name}}) ->
+expr({'fun',Line,{function,F,A},{_Index,_OldUniq,Name}}, _Lc) ->
%% New R8 format (abstract_v2).
As = new_vars(A, Line),
- Cs = [{clause,Line,As,[],[{local_call,Line,F,As}]}],
+ Cs = [{clause,Line,As,[],[{local_call,Line,F,As,true}]}],
{make_fun,Line,Name,Cs};
-expr({'fun',_,{clauses,_},{_OldUniq,_Hvss,_Free}}) ->
- %% Old format (abstract_v1).
- exit({?MODULE,old_funs});
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,self}},[]}) ->
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,self}},[]}, _Lc) ->
{dbg,Line,self,[]};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,get_stacktrace}},[]}) ->
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,get_stacktrace}},[]}, _Lc) ->
{dbg,Line,get_stacktrace,[]};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,throw}},[_]=As}) ->
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,throw}},[_]=As}, _Lc) ->
{dbg,Line,throw,expr_list(As)};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,error}},[_]=As}) ->
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,error}},[_]=As}, _Lc) ->
{dbg,Line,error,expr_list(As)};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,fault}},[_]=As}) ->
- {dbg,Line,fault,expr_list(As)};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,exit}},[_]=As}) ->
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,exit}},[_]=As}, _Lc) ->
{dbg,Line,exit,expr_list(As)};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,apply}},[_,_,_]=As0}) ->
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,raise}},[_,_,_]=As}, _Lc) ->
+ {dbg,Line,raise,expr_list(As)};
+expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,apply}},[_,_,_]=As0}, Lc) ->
As = expr_list(As0),
- {apply,Line,As};
-expr({call,Line,{remote,_,{atom,_,Mod},{atom,_,Func}},As0}) ->
+ {apply,Line,As,Lc};
+expr({call,Line,{remote,_,{atom,_,Mod},{atom,_,Func}},As0}, Lc) ->
As = expr_list(As0),
case erlang:is_builtin(Mod, Func, length(As)) of
false ->
- {call_remote,Line,Mod,Func,As};
+ {call_remote,Line,Mod,Func,As,Lc};
true ->
- case bif_type(Mod, Func) of
+ case bif_type(Mod, Func, length(As0)) of
safe -> {safe_bif,Line,Mod,Func,As};
- spawn -> {spawn_bif,Line,Mod,Func,As};
unsafe ->{bif,Line,Mod,Func,As}
end
end;
-expr({call,Line,{remote,_,Mod0,Func0},As0}) ->
+expr({call,Line,{remote,_,Mod0,Func0},As0}, Lc) ->
%% New R8 format (abstract_v2).
- Mod = expr(Mod0),
- Func = expr(Func0),
+ Mod = expr(Mod0, false),
+ Func = expr(Func0, false),
As = consify(expr_list(As0)),
- {apply,Line,[Mod,Func,As]};
-expr({call,Line,{atom,_,Func},As0}) ->
+ {apply,Line,[Mod,Func,As],Lc};
+expr({call,Line,{atom,_,Func},As0}, Lc) ->
As = expr_list(As0),
- {local_call,Line,Func,As};
-expr({call,Line,Fun0,As0}) ->
- Fun = expr(Fun0),
+ {local_call,Line,Func,As,Lc};
+expr({call,Line,Fun0,As0}, Lc) ->
+ Fun = expr(Fun0, false),
As = expr_list(As0),
- {apply_fun,Line,Fun,As};
-expr({'catch',Line,E0}) ->
+ {apply_fun,Line,Fun,As,Lc};
+expr({'catch',Line,E0}, _Lc) ->
%% No new variables added.
- E1 = expr(E0),
+ E1 = expr(E0, false),
{'catch',Line,E1};
-expr({'try',Line,Es0,CaseCs0,CatchCs0,As0}) ->
+expr({'try',Line,Es0,CaseCs0,CatchCs0,As0}, Lc) ->
%% No new variables added.
Es = expr_list(Es0),
- CaseCs = icr_clauses(CaseCs0),
- CatchCs = icr_clauses(CatchCs0),
+ CaseCs = icr_clauses(CaseCs0, Lc),
+ CatchCs = icr_clauses(CatchCs0, Lc),
As = expr_list(As0),
{'try',Line,Es,CaseCs,CatchCs,As};
-expr({'query', Line, E0}) ->
- E = expr(E0),
- {'query', Line, E};
-expr({lc,Line,E0,Gs0}) -> %R8.
+expr({lc,Line,E0,Gs0}, _Lc) -> %R8.
Gs = lists:map(fun ({generate,L,P0,Qs}) ->
- {generate,L,expr(P0),expr(Qs)};
+ {generate,L,expr(P0, false),expr(Qs, false)};
({b_generate,L,P0,Qs}) -> %R12.
- {b_generate,L,expr(P0),expr(Qs)};
+ {b_generate,L,expr(P0, false),expr(Qs, false)};
(Expr) ->
- case is_guard_test(Expr) of
- true -> {guard,[[guard_test(Expr)]]};
- false -> expr(Expr)
+ case is_guard(Expr) of
+ true -> {guard,guard([[Expr]])};
+ false -> expr(Expr, false)
end
end, Gs0),
- {lc,Line,expr(E0),Gs};
-expr({bc,Line,E0,Gs0}) -> %R12.
+ {lc,Line,expr(E0, false),Gs};
+expr({bc,Line,E0,Gs0}, _Lc) -> %R12.
Gs = lists:map(fun ({generate,L,P0,Qs}) ->
- {generate,L,expr(P0),expr(Qs)};
+ {generate,L,expr(P0, false),expr(Qs, false)};
({b_generate,L,P0,Qs}) -> %R12.
- {b_generate,L,expr(P0),expr(Qs)};
+ {b_generate,L,expr(P0, false),expr(Qs, false)};
(Expr) ->
- case is_guard_test(Expr) of
- true -> {guard,[[guard_test(Expr)]]};
- false -> expr(Expr)
+ case is_guard(Expr) of
+ true -> {guard,guard([[Expr]])};
+ false -> expr(Expr, false)
end
end, Gs0),
- {bc,Line,expr(E0),Gs};
-expr({match,Line,P0,E0}) ->
- E1 = expr(E0),
+ {bc,Line,expr(E0, false),Gs};
+expr({match,Line,P0,E0}, _Lc) ->
+ E1 = expr(E0, false),
P1 = pattern(P0),
{match,Line,P1,E1};
-expr({op,Line,Op,A0}) ->
- A1 = expr(A0),
+expr({op,Line,Op,A0}, _Lc) ->
+ A1 = expr(A0, false),
{op,Line,Op,[A1]};
-expr({op,Line,'++',L0,R0}) ->
- L1 = expr(L0),
- R1 = expr(R0), %They see the same variables
+expr({op,Line,'++',L0,R0}, _Lc) ->
+ L1 = expr(L0, false),
+ R1 = expr(R0, false), %They see the same variables
{op,Line,append,[L1,R1]};
-expr({op,Line,'--',L0,R0}) ->
- L1 = expr(L0),
- R1 = expr(R0), %They see the same variables
+expr({op,Line,'--',L0,R0}, _Lc) ->
+ L1 = expr(L0, false),
+ R1 = expr(R0, false), %They see the same variables
{op,Line,subtract,[L1,R1]};
-expr({op,Line,'!',L0,R0}) ->
- L1 = expr(L0),
- R1 = expr(R0), %They see the same variables
+expr({op,Line,'!',L0,R0}, _Lc) ->
+ L1 = expr(L0, false),
+ R1 = expr(R0, false), %They see the same variables
{send,Line,L1,R1};
-expr({op,Line,Op,L0,R0}) when Op =:= 'andalso'; Op =:= 'orelse' ->
- L1 = expr(L0),
- R1 = expr(R0), %They see the same variables
+expr({op,Line,Op,L0,R0}, _Lc) when Op =:= 'andalso'; Op =:= 'orelse' ->
+ L1 = expr(L0, false),
+ R1 = expr(R0, false), %They see the same variables
{Op,Line,L1,R1};
-expr({op,Line,Op,L0,R0}) ->
- L1 = expr(L0),
- R1 = expr(R0), %They see the same variables
+expr({op,Line,Op,L0,R0}, _Lc) ->
+ L1 = expr(L0, false),
+ R1 = expr(R0, false), %They see the same variables
{op,Line,Op,[L1,R1]};
-expr({bin,Line,Grp}) ->
+expr({bin,Line,Grp}, _Lc) ->
Grp1 = expr_list(Grp),
{bin,Line,Grp1};
-expr({bin_element,Line,Expr,Size,Type}) ->
- Expr1 = expr(Expr),
- Size1 = expr(Size),
+expr({bin_element,Line,Expr,Size,Type}, _Lc) ->
+ Expr1 = expr(Expr, false),
+ Size1 = expr(Size, false),
{bin_element,Line,Expr1,Size1,Type};
-expr(Other) ->
+expr(Other, _Lc) ->
exit({?MODULE,{unknown_expr,Other}}).
-%% is_guard_test(Expression) -> true | false.
-%% Test if a general expression is a guard test. Cannot use erl_lint
-%% here as sys_pre_expand has transformed source.
+%% is_guard(Expression) -> true | false.
+%% Test if a general expression is a guard test or guard BIF.
+%% Cannot use erl_lint here as sys_pre_expand has transformed source.
-is_guard_test({op,_,Op,L,R}) ->
+is_guard({op,_,Op,L,R}) ->
erl_internal:comp_op(Op, 2) andalso is_gexpr_list([L,R]);
-is_guard_test({call,_,{remote,_,{atom,_,erlang},{atom,_,Test}},As}) ->
- erl_internal:type_test(Test, length(As)) andalso is_gexpr_list(As);
-is_guard_test({atom,_,true}) -> true;
-is_guard_test(_) -> false.
+is_guard({call,_,{remote,_,{atom,_,erlang},{atom,_,Test}},As}) ->
+ Arity = length(As),
+ (erl_internal:guard_bif(Test, Arity) orelse
+ erl_internal:old_type_test(Test, Arity)) andalso is_gexpr_list(As);
+is_guard({atom,_,true}) -> true;
+is_guard(_) -> false.
is_gexpr({var,_,_}) -> true;
is_gexpr({atom,_,_}) -> true;
@@ -555,17 +526,17 @@ consify([]) -> {value,0,[]}.
%% definition etc.
expr_list([E0|Es]) ->
- E1 = expr(E0),
+ E1 = expr(E0, false),
[E1|expr_list(Es)];
expr_list([]) -> [].
-icr_clauses([C0|Cs]) ->
- C1 = clause(C0),
- [C1|icr_clauses(Cs)];
-icr_clauses([]) -> [].
+icr_clauses([C0|Cs], Lc) ->
+ C1 = clause(C0, Lc),
+ [C1|icr_clauses(Cs, Lc)];
+icr_clauses([], _) -> [].
fun_clauses([{clause,L,H,G,B}|Cs]) ->
- [{clause,L,head(H),guard(G),exprs(B)}|fun_clauses(Cs)];
+ [{clause,L,head(H),guard(G),exprs(B, true)}|fun_clauses(Cs)];
fun_clauses([]) -> [].
%% new_var_name() -> VarName.
@@ -585,24 +556,21 @@ new_vars(N, L, Vs) when N > 0 ->
new_vars(N-1, L, [V|Vs]);
new_vars(0, _, Vs) -> Vs.
-bif_type(erlang, Name) -> bif_type(Name);
-bif_type(_, _) -> unsafe.
+bif_type(erlang, Name, Arity) ->
+ case erl_internal:guard_bif(Name, Arity) of
+ true ->
+ %% Guard BIFs are safe (except for self/0, but it is
+ %% handled with a special instruction anyway).
+ safe;
+ false ->
+ bif_type(Name)
+ end;
+bif_type(_, _, _) -> unsafe.
bif_type(register) -> safe;
bif_type(unregister) -> safe;
bif_type(whereis) -> safe;
bif_type(registered) -> safe;
-bif_type(abs) -> safe;
-bif_type(float) -> safe;
-bif_type(trunc) -> safe;
-bif_type(round) -> safe;
-bif_type(math) -> safe;
-bif_type(node) -> safe;
-bif_type(length) -> safe;
-bif_type(hd) -> safe;
-bif_type(tl) -> safe;
-bif_type(size) -> safe;
-bif_type(element) -> safe;
bif_type(setelement) -> safe;
bif_type(atom_to_list) -> safe;
bif_type(list_to_atom) -> safe;
@@ -627,21 +595,14 @@ bif_type(list_to_pid) -> safe;
bif_type(module_loaded) -> safe;
bif_type(binary_to_term) -> safe;
bif_type(term_to_binary) -> safe;
-bif_type(alive) -> safe;
-bif_type(notalive) -> safe;
bif_type(nodes) -> safe;
bif_type(is_alive) -> safe;
bif_type(disconnect_node) -> safe;
bif_type(binary_to_list) -> safe;
bif_type(list_to_binary) -> safe;
bif_type(split_binary) -> safe;
-bif_type(term_to_atom) -> safe;
bif_type(hash) -> safe;
bif_type(pre_loaded) -> safe;
-bif_type(info) -> safe;
bif_type(set_cookie) -> safe;
bif_type(get_cookie) -> safe;
-bif_type(spawn) -> spawn;
-bif_type(spawn_link) -> spawn;
-bif_type(spawn_opt) -> spawn;
bif_type(_) -> unsafe.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 04:57:42 +0000