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-rw-r--r--lib/debugger/src/dbg_iload.erl523
1 files changed, 301 insertions, 222 deletions
diff --git a/lib/debugger/src/dbg_iload.erl b/lib/debugger/src/dbg_iload.erl
index ad05a7c529..468f6a809f 100644
--- a/lib/debugger/src/dbg_iload.erl
+++ b/lib/debugger/src/dbg_iload.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2017. All Rights Reserved.
%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -38,7 +39,7 @@
%% dbg_iserver. We are suspended until the module has been loaded.
%%--------------------------------------------------------------------
-spec load_mod(Mod, file:filename(), binary(), ets:tid()) ->
- {'ok', Mod} when is_subtype(Mod, atom()).
+ {'ok', Mod} when Mod :: atom().
load_mod(Mod, File, Binary, Db) ->
Flag = process_flag(trap_exit, true),
@@ -71,8 +72,7 @@ store_module(Mod, File, Binary, Db) ->
exit({Mod,too_old_beam_file});
{raw_abstract_v1,Code0} ->
Code = interpret_file_attribute(Code0),
- {_,_,Forms0,_} = sys_pre_expand:module(Code, []),
- Forms0
+ standard_transforms(Code)
end,
dbg_idb:insert(Db, mod_file, File),
dbg_idb:insert(Db, defs, []),
@@ -93,6 +93,11 @@ store_module(Mod, File, Binary, Db) ->
dbg_idb:insert(Db, mod_bin, NewBinary),
dbg_idb:insert(Db, mod_raw, <<Src/binary,0:8>>). %% Add eos
+standard_transforms(Forms0) ->
+ Forms = erl_expand_records:module(Forms0, []),
+ erl_internal:add_predefined_functions(Forms).
+
+
%% 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
@@ -101,7 +106,6 @@ store_module(Mod, File, Binary, Db) ->
interpret_file_attribute(Code) ->
epp:interpret_file_attribute(Code).
-
abstr(Bin) when is_binary(Bin) -> binary_to_term(Bin);
abstr(Term) -> Term.
@@ -123,8 +127,9 @@ store_forms([{function,_,Name,Arity,Cs0}|Fs], Mod, Db, Exp) ->
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([_|Fs], Mod, Db, Exp) ->
+ %% Ignore other forms such as {eof,_} or {warning,_}.
+ store_forms(Fs, Mod, Db, Exp);
store_forms([], _, _, _) ->
ok.
@@ -163,11 +168,11 @@ clauses([C0|Cs]) ->
[C1|clauses(Cs)];
clauses([]) -> [].
-clause({clause,Line,H0,G0,B0}, Lc) ->
+clause({clause,Anno,H0,G0,B0}, Lc) ->
H1 = head(H0),
G1 = guard(G0),
B1 = exprs(B0, Lc),
- {clause,Line,H1,G1,B1}.
+ {clause,ln(Anno),H1,G1,B1}.
head(Ps) -> patterns(Ps).
@@ -181,46 +186,70 @@ patterns([]) -> [].
%% N.B. Only valid patterns are included here.
-pattern({var,Line,V}) -> {var,Line,V};
-pattern({char,Line,I}) -> {value,Line,I};
-pattern({integer,Line,I}) -> {value,Line,I};
-pattern({match,Line,Pat1,Pat2}) ->
- {match,Line,pattern(Pat1),pattern(Pat2)};
-pattern({float,Line,F}) -> {value,Line,F};
-pattern({atom,Line,A}) -> {value,Line,A};
-pattern({string,Line,S}) -> {value,Line,S};
-pattern({nil,Line}) -> {value,Line,[]};
-pattern({cons,Line,H0,T0}) ->
+pattern({var,Anno,V}) -> {var,ln(Anno),V};
+pattern({char,Anno,I}) -> {value,ln(Anno),I};
+pattern({integer,Anno,I}) -> {value,ln(Anno),I};
+pattern({match,Anno,Pat1,Pat2}) ->
+ {match,ln(Anno),pattern(Pat1),pattern(Pat2)};
+pattern({float,Anno,F}) -> {value,ln(Anno),F};
+pattern({atom,Anno,A}) -> {value,ln(Anno),A};
+pattern({string,Anno,S}) -> {value,ln(Anno),S};
+pattern({nil,Anno}) -> {value,ln(Anno),[]};
+pattern({cons,Anno,H0,T0}) ->
H1 = pattern(H0),
T1 = pattern(T0),
- {cons,Line,H1,T1};
-pattern({tuple,Line,Ps0}) ->
+ {cons,ln(Anno),H1,T1};
+pattern({tuple,Anno,Ps0}) ->
Ps1 = pattern_list(Ps0),
- {tuple,Line,Ps1};
-pattern({map,Line,Fs0}) ->
+ {tuple,ln(Anno),Ps1};
+pattern({map,Anno,Fs0}) ->
Fs1 = lists:map(fun ({map_field_exact,L,K,V}) ->
{map_field_exact,L,expr(K, false),pattern(V)}
end, Fs0),
- {map,Line,Fs1};
-pattern({op,_,'-',{integer,Line,I}}) ->
- {value,Line,-I};
-pattern({op,_,'+',{integer,Line,I}}) ->
- {value,Line,I};
-pattern({op,_,'-',{char,Line,I}}) ->
- {value,Line,-I};
-pattern({op,_,'+',{char,Line,I}}) ->
- {value,Line,I};
-pattern({op,_,'-',{float,Line,I}}) ->
- {value,Line,-I};
-pattern({op,_,'+',{float,Line,I}}) ->
- {value,Line,I};
-pattern({bin,Line,Grp}) ->
- Grp1 = pattern_list(Grp),
- {bin,Line,Grp1};
-pattern({bin_element,Line,Expr,Size,Type}) ->
- Expr1 = pattern(Expr),
- Size1 = expr(Size, false),
- {bin_element,Line,Expr1,Size1,Type}.
+ {map,ln(Anno),Fs1};
+pattern({op,_,'-',{integer,Anno,I}}) ->
+ {value,ln(Anno),-I};
+pattern({op,_,'+',{integer,Anno,I}}) ->
+ {value,ln(Anno),I};
+pattern({op,_,'-',{char,Anno,I}}) ->
+ {value,ln(Anno),-I};
+pattern({op,_,'+',{char,Anno,I}}) ->
+ {value,ln(Anno),I};
+pattern({op,_,'-',{float,Anno,I}}) ->
+ {value,ln(Anno),-I};
+pattern({op,_,'+',{float,Anno,I}}) ->
+ {value,ln(Anno),I};
+pattern({bin,Anno,Grp}) ->
+ Grp1 = pattern_list(bin_expand_strings(Grp)),
+ {bin,ln(Anno),Grp1};
+pattern({bin_element,Anno,Expr0,Size0,Type0}) ->
+ {Size1,Type} = make_bit_type(Anno, Size0, Type0),
+ Expr1 = pattern(Expr0),
+ Expr = coerce_to_float(Expr1, Type0),
+ Size = pattern(Size1),
+ {bin_element,ln(Anno),Expr,Size,Type};
+%% Evaluate compile-time expressions.
+pattern({op,_,'++',{nil,_},R}) ->
+ pattern(R);
+pattern({op,_,'++',{cons,Li,H,T},R}) ->
+ pattern({cons,Li,H,{op,Li,'++',T,R}});
+pattern({op,_,'++',{string,Li,L},R}) ->
+ pattern(string_to_conses(Li, L, R));
+pattern({op,_Line,_Op,_A}=Op) ->
+ pattern(erl_eval:partial_eval(Op));
+pattern({op,_Line,_Op,_L,_R}=Op) ->
+ pattern(erl_eval:partial_eval(Op)).
+
+string_to_conses(Anno, Cs, Tail) ->
+ lists:foldr(fun (C, T) -> {cons,Anno,{char,Anno,C},T} end, Tail, Cs).
+
+coerce_to_float({value,Anno,Int}=E, [float|_]) when is_integer(Int) ->
+ try
+ {value,Anno,float(Int)}
+ catch
+ error:badarg -> E
+ end;
+coerce_to_float(E, _) -> E.
%% These patterns are processed "in parallel" for purposes of variable
%% definition etc.
@@ -240,90 +269,90 @@ and_guard([G0|Gs]) ->
[G1|and_guard(Gs)];
and_guard([]) -> [].
-guard_test({call,Line,{remote,_,{atom,_,erlang},{atom,_,F}},As0}) ->
+guard_test({call,Anno,{remote,_,{atom,_,erlang},{atom,_,F}},As0}) ->
As = gexpr_list(As0),
- {safe_bif,Line,erlang,F,As};
-guard_test({op,Line,Op,L0}) ->
+ {safe_bif,ln(Anno),erlang,F,As};
+guard_test({op,Anno,Op,L0}) ->
true = erl_internal:arith_op(Op, 1) orelse %Assertion.
erl_internal:bool_op(Op, 1),
L1 = gexpr(L0),
- {safe_bif,Line,erlang,Op,[L1]};
-guard_test({op,Line,Op,L0,R0}) when Op =:= 'andalso'; Op =:= 'orelse' ->
+ {safe_bif,ln(Anno),erlang,Op,[L1]};
+guard_test({op,Anno,Op,L0,R0}) when Op =:= 'andalso'; Op =:= 'orelse' ->
L1 = gexpr(L0),
R1 = gexpr(R0), %They see the same variables
- {Op,Line,L1,R1};
-guard_test({op,Line,Op,L0,R0}) ->
+ {Op,ln(Anno),L1,R1};
+guard_test({op,Anno,Op,L0,R0}) ->
true = erl_internal:comp_op(Op, 2) orelse %Assertion.
erl_internal:bool_op(Op, 2) orelse
erl_internal:arith_op(Op, 2),
L1 = gexpr(L0),
R1 = gexpr(R0), %They see the same variables
- {safe_bif,Line,erlang,Op,[L1,R1]};
+ {safe_bif,ln(Anno),erlang,Op,[L1,R1]};
guard_test({var,_,_}=V) ->V; % Boolean var
-guard_test({atom,Line,true}) -> {value,Line,true};
+guard_test({atom,Anno,true}) -> {value,ln(Anno),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({map,Line,_}) -> {value,Line,false};
-guard_test({map,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};
-gexpr({char,Line,I}) -> {value,Line,I};
-gexpr({float,Line,F}) -> {value,Line,F};
-gexpr({atom,Line,A}) -> {value,Line,A};
-gexpr({string,Line,S}) -> {value,Line,S};
-gexpr({nil,Line}) -> {value,Line,[]};
-gexpr({cons,Line,H0,T0}) ->
+guard_test({atom,Anno,_}) -> {value,ln(Anno),false};
+guard_test({integer,Anno,_}) -> {value,ln(Anno),false};
+guard_test({char,Anno,_}) -> {value,ln(Anno),false};
+guard_test({float,Anno,_}) -> {value,ln(Anno),false};
+guard_test({string,Anno,_}) -> {value,ln(Anno),false};
+guard_test({nil,Anno}) -> {value,ln(Anno),false};
+guard_test({cons,Anno,_,_}) -> {value,ln(Anno),false};
+guard_test({tuple,Anno,_}) -> {value,ln(Anno),false};
+guard_test({map,Anno,_}) -> {value,ln(Anno),false};
+guard_test({map,Anno,_,_}) -> {value,ln(Anno),false};
+guard_test({bin,Anno,_}) -> {value,ln(Anno),false}.
+
+gexpr({var,Anno,V}) -> {var,ln(Anno),V};
+gexpr({integer,Anno,I}) -> {value,ln(Anno),I};
+gexpr({char,Anno,I}) -> {value,ln(Anno),I};
+gexpr({float,Anno,F}) -> {value,ln(Anno),F};
+gexpr({atom,Anno,A}) -> {value,ln(Anno),A};
+gexpr({string,Anno,S}) -> {value,ln(Anno),S};
+gexpr({nil,Anno}) -> {value,ln(Anno),[]};
+gexpr({cons,Anno,H0,T0}) ->
case {gexpr(H0),gexpr(T0)} of
{{value,Line,H1},{value,Line,T1}} -> {value,Line,[H1|T1]};
- {H1,T1} -> {cons,Line,H1,T1}
+ {H1,T1} -> {cons,ln(Anno),H1,T1}
end;
-gexpr({tuple,Line,Es0}) ->
+gexpr({tuple,Anno,Es0}) ->
Es1 = gexpr_list(Es0),
- {tuple,Line,Es1};
-gexpr({map,Line,Fs0}) ->
- Fs1 = map_fields(Fs0, fun gexpr/1),
- {map,Line,Fs1};
-gexpr({map,Line,E0,Fs0}) ->
+ {tuple,ln(Anno),Es1};
+gexpr({map,Anno,Fs0}) ->
+ new_map(Fs0, Anno, fun gexpr/1);
+gexpr({map,Anno,E0,Fs0}) ->
E1 = gexpr(E0),
Fs1 = map_fields(Fs0, fun gexpr/1),
- {map,Line,E1,Fs1};
-gexpr({bin,Line,Flds0}) ->
- Flds = gexpr_list(Flds0),
- {bin,Line,Flds};
-gexpr({bin_element,Line,Expr0,Size0,Type}) ->
+ {map,ln(Anno),E1,Fs1};
+gexpr({bin,Anno,Flds0}) ->
+ Flds = gexpr_list(bin_expand_strings(Flds0)),
+ {bin,ln(Anno),Flds};
+gexpr({bin_element,Anno,Expr0,Size0,Type0}) ->
+ {Size1,Type} = make_bit_type(Anno, Size0, Type0),
Expr = gexpr(Expr0),
- Size = gexpr(Size0),
- {bin_element,Line,Expr,Size,Type};
-%%% The previous passes have added the module name 'erlang' to
+ Size = gexpr(Size1),
+ {bin_element,ln(Anno),Expr,Size,Type};
+%%% The erl_expand_records pass has added the module name 'erlang' to
%%% all BIF calls, even in guards.
-gexpr({call,Line,{remote,_,{atom,_,erlang},{atom,_,self}},[]}) ->
- {dbg, Line, self, []};
-gexpr({call,Line,{remote,_,{atom,_,erlang},{atom,_,F}},As0}) ->
+gexpr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,self}},[]}) ->
+ {dbg,ln(Anno),self,[]};
+gexpr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,F}},As0}) ->
As = gexpr_list(As0),
- {safe_bif,Line,erlang,F,As};
-gexpr({op,Line,Op,A0}) ->
+ {safe_bif,ln(Anno),erlang,F,As};
+gexpr({op,Anno,Op,A0}) ->
erl_internal:arith_op(Op, 1),
A1 = gexpr(A0),
- {safe_bif,Line,erlang,Op,[A1]};
-gexpr({op,Line,Op,L0,R0}) when Op =:= 'andalso'; Op =:= 'orelse' ->
+ {safe_bif,ln(Anno),erlang,Op,[A1]};
+gexpr({op,Anno,Op,L0,R0}) when Op =:= 'andalso'; Op =:= 'orelse' ->
L1 = gexpr(L0),
R1 = gexpr(R0), %They see the same variables
- {Op,Line,L1,R1};
-gexpr({op,Line,Op,L0,R0}) ->
+ {Op,ln(Anno),L1,R1};
+gexpr({op,Anno,Op,L0,R0}) ->
true = erl_internal:arith_op(Op, 2) orelse erl_internal:comp_op(Op, 2)
orelse erl_internal:bool_op(Op, 2),
L1 = gexpr(L0),
R1 = gexpr(R0), %They see the same variables
- {safe_bif,Line,erlang,Op,[L1,R1]}.
+ {safe_bif,ln(Anno),erlang,Op,[L1,R1]}.
%% These expressions are processed "in parallel" for purposes of variable
%% definition etc.
@@ -343,182 +372,203 @@ exprs([E0|Es], Lc) ->
[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) ->
+expr({var,Anno,V}, _Lc) -> {var,ln(Anno),V};
+expr({integer,Anno,I}, _Lc) -> {value,ln(Anno),I};
+expr({char,Anno,I}, _Lc) -> {value,ln(Anno),I};
+expr({float,Anno,F}, _Lc) -> {value,ln(Anno),F};
+expr({atom,Anno,A}, _Lc) -> {value,ln(Anno),A};
+expr({string,Anno,S}, _Lc) -> {value,ln(Anno),S};
+expr({nil,Anno}, _Lc) -> {value,ln(Anno),[]};
+expr({cons,Anno,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}
+ {H1,T1} -> {cons,ln(Anno),H1,T1}
end;
-expr({tuple,Line,Es0}, _Lc) ->
+expr({tuple,Anno,Es0}, _Lc) ->
Es1 = expr_list(Es0),
- {tuple,Line,Es1};
-expr({map,Line,Fs0}, _Lc) ->
- Fs1 = map_fields(Fs0),
- {map,Line,Fs1};
-expr({map,Line,E0,Fs0}, _Lc) ->
+ {tuple,ln(Anno),Es1};
+expr({map,Anno,Fs}, _Lc) ->
+ new_map(Fs, Anno, fun (E) -> expr(E, false) end);
+expr({map,Anno,E0,Fs0}, _Lc) ->
E1 = expr(E0, false),
Fs1 = map_fields(Fs0),
- {map,Line,E1,Fs1};
-expr({block,Line,Es0}, Lc) ->
+ {map,ln(Anno),E1,Fs1};
+expr({block,Anno,Es0}, Lc) ->
%% Unfold block into a sequence.
Es1 = exprs(Es0, Lc),
- {block,Line,Es1};
-expr({'if',Line,Cs0}, Lc) ->
+ {block,ln(Anno),Es1};
+expr({'if',Anno,Cs0}, Lc) ->
Cs1 = icr_clauses(Cs0, Lc),
- {'if',Line,Cs1};
-expr({'case',Line,E0,Cs0}, Lc) ->
+ {'if',ln(Anno),Cs1};
+expr({'case',Anno,E0,Cs0}, Lc) ->
E1 = expr(E0, false),
Cs1 = icr_clauses(Cs0, Lc),
- {'case',Line,E1,Cs1};
-expr({'receive',Line,Cs0}, Lc) ->
+ {'case',ln(Anno),E1,Cs1};
+expr({'receive',Anno,Cs0}, Lc) ->
Cs1 = icr_clauses(Cs0, Lc),
- {'receive',Line,Cs1};
-expr({'receive',Line,Cs0,To0,ToEs0}, Lc) ->
+ {'receive',ln(Anno),Cs1};
+expr({'receive',Anno,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}}, _Lc) when is_atom(Name) ->
+ {'receive',ln(Anno),Cs1,To1,ToEs1};
+expr({'fun',Anno,{clauses,Cs0}}, _Lc) ->
%% New R10B-2 format (abstract_v2).
Cs = fun_clauses(Cs0),
- {make_fun,Line,Name,Cs};
-expr({'fun',Line,{function,F,A},{_Index,_OldUniq,Name}}, _Lc) ->
+ Name = new_fun_name(),
+ {make_fun,ln(Anno),Name,Cs};
+expr({'fun',Anno,{function,F,A}}, _Lc) ->
%% New R8 format (abstract_v2).
+ Line = ln(Anno),
As = new_vars(A, Line),
+ Name = new_fun_name(),
Cs = [{clause,Line,As,[],[{local_call,Line,F,As,true}]}],
{make_fun,Line,Name,Cs};
-expr({named_fun,Line,FName,Cs0,{_,_,Name}}, _Lc) when is_atom(Name) ->
+expr({named_fun,Anno,FName,Cs0}, _Lc) ->
Cs = fun_clauses(Cs0),
- {make_named_fun,Line,Name,FName,Cs};
-expr({'fun',Line,{function,{atom,_,M},{atom,_,F},{integer,_,A}}}, _Lc)
+ Name = new_fun_name(),
+ {make_named_fun,ln(Anno),Name,FName,Cs};
+expr({'fun',Anno,{function,{atom,_,M},{atom,_,F},{integer,_,A}}}, _Lc)
when 0 =< A, A =< 255 ->
%% New format in R15 for fun M:F/A (literal values).
- {value,Line,erlang:make_fun(M, F, A)};
-expr({'fun',Line,{function,M,F,A}}, _Lc) ->
+ {value,ln(Anno),erlang:make_fun(M, F, A)};
+expr({'fun',Anno,{function,M,F,A}}, _Lc) ->
%% New format in R15 for fun M:F/A (one or more variables).
MFA = expr_list([M,F,A]),
- {make_ext_fun,Line,MFA};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,self}},[]}, _Lc) ->
- {dbg,Line,self,[]};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,get_stacktrace}},[]}, _Lc) ->
- {dbg,Line,get_stacktrace,[]};
-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}, _Lc) ->
- {dbg,Line,error,expr_list(As)};
-expr({call,Line,{remote,_,{atom,_,erlang},{atom,_,exit}},[_]=As}, _Lc) ->
- {dbg,Line,exit,expr_list(As)};
-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) ->
+ {make_ext_fun,ln(Anno),MFA};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,self}},[]}, _Lc) ->
+ {dbg,ln(Anno),self,[]};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,get_stacktrace}},[]}, _Lc) ->
+ {dbg,ln(Anno),get_stacktrace,[]};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,throw}},[_]=As}, _Lc) ->
+ {dbg,ln(Anno),throw,expr_list(As)};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,error}},[_]=As}, _Lc) ->
+ {dbg,ln(Anno),error,expr_list(As)};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,exit}},[_]=As}, _Lc) ->
+ {dbg,ln(Anno),exit,expr_list(As)};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,raise}},[_,_,_]=As}, _Lc) ->
+ {dbg,ln(Anno),raise,expr_list(As)};
+expr({call,Anno,{remote,_,{atom,_,erlang},{atom,_,apply}},[_,_,_]=As0}, Lc) ->
As = expr_list(As0),
- {apply,Line,As,Lc};
-expr({call,Line,{remote,_,{atom,_,Mod},{atom,_,Func}},As0}, Lc) ->
+ {apply,ln(Anno),As,Lc};
+expr({call,Anno,{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,Lc};
+ {call_remote,ln(Anno),Mod,Func,As,Lc};
true ->
case bif_type(Mod, Func, length(As0)) of
- safe -> {safe_bif,Line,Mod,Func,As};
- unsafe ->{bif,Line,Mod,Func,As}
+ safe -> {safe_bif,ln(Anno),Mod,Func,As};
+ unsafe ->{bif,ln(Anno),Mod,Func,As}
end
end;
-expr({call,Line,{remote,_,Mod0,Func0},As0}, Lc) ->
+expr({call,Anno,{remote,_,Mod0,Func0},As0}, Lc) ->
%% New R8 format (abstract_v2).
Mod = expr(Mod0, false),
Func = expr(Func0, false),
As = consify(expr_list(As0)),
- {apply,Line,[Mod,Func,As],Lc};
-expr({call,Line,{atom,_,Func},As0}, Lc) ->
+ {apply,ln(Anno),[Mod,Func,As],Lc};
+expr({call,Anno,{atom,_,Func},As0}, Lc) ->
As = expr_list(As0),
- {local_call,Line,Func,As,Lc};
-expr({call,Line,Fun0,As0}, Lc) ->
+ {local_call,ln(Anno),Func,As,Lc};
+expr({call,Anno,Fun0,As0}, Lc) ->
Fun = expr(Fun0, false),
As = expr_list(As0),
- {apply_fun,Line,Fun,As,Lc};
-expr({'catch',Line,E0}, _Lc) ->
+ {apply_fun,ln(Anno),Fun,As,Lc};
+expr({'catch',Anno,E0}, _Lc) ->
%% No new variables added.
E1 = expr(E0, false),
- {'catch',Line,E1};
-expr({'try',Line,Es0,CaseCs0,CatchCs0,As0}, Lc) ->
+ {'catch',ln(Anno),E1};
+expr({'try',Anno,Es0,CaseCs0,CatchCs0,As0}, Lc) ->
%% No new variables added.
Es = expr_list(Es0),
CaseCs = icr_clauses(CaseCs0, Lc),
CatchCs = icr_clauses(CatchCs0, Lc),
As = expr_list(As0),
- {'try',Line,Es,CaseCs,CatchCs,As};
-expr({lc,Line,E0,Gs0}, _Lc) -> %R8.
- Gs = lists:map(fun ({generate,L,P0,Qs}) ->
- {generate,L,expr(P0, false),expr(Qs, false)};
- ({b_generate,L,P0,Qs}) -> %R12.
- {b_generate,L,expr(P0, false),expr(Qs, false)};
- (Expr) ->
- case erl_lint:is_guard_test(Expr) of
- true -> {guard,guard([[Expr]])};
- false -> expr(Expr, false)
- end
- end, Gs0),
- {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, false),expr(Qs, false)};
- ({b_generate,L,P0,Qs}) -> %R12.
- {b_generate,L,expr(P0, false),expr(Qs, false)};
- (Expr) ->
- case erl_lint:is_guard_test(Expr) of
- true -> {guard,guard([[Expr]])};
- false -> expr(Expr, false)
- end
- end, Gs0),
- {bc,Line,expr(E0, false),Gs};
-expr({match,Line,P0,E0}, _Lc) ->
+ {'try',ln(Anno),Es,CaseCs,CatchCs,As};
+expr({lc,_,_,_}=Compr, _Lc) ->
+ expr_lc_bc(Compr);
+expr({bc,_,_,_}=Compr, _Lc) ->
+ expr_lc_bc(Compr);
+expr({match,Anno,P0,E0}, _Lc) ->
E1 = expr(E0, false),
P1 = pattern(P0),
- {match,Line,P1,E1};
-expr({op,Line,Op,A0}, _Lc) ->
+ {match,ln(Anno),P1,E1};
+expr({op,Anno,Op,A0}, _Lc) ->
A1 = expr(A0, false),
- {op,Line,Op,[A1]};
-expr({op,Line,'++',L0,R0}, _Lc) ->
+ {op,ln(Anno),Op,[A1]};
+expr({op,Anno,'++',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}, _Lc) ->
+ {op,ln(Anno),append,[L1,R1]};
+expr({op,Anno,'--',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}, _Lc) ->
+ {op,ln(Anno),subtract,[L1,R1]};
+expr({op,Anno,'!',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}, _Lc) when Op =:= 'andalso'; Op =:= 'orelse' ->
+ {send,ln(Anno),L1,R1};
+expr({op,Anno,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}, _Lc) ->
+ {Op,ln(Anno),L1,R1};
+expr({op,Anno,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}, _Lc) ->
- Grp1 = expr_list(Grp),
- {bin,Line,Grp1};
-expr({bin_element,Line,Expr,Size,Type}, _Lc) ->
- Expr1 = expr(Expr, false),
- Size1 = expr(Size, false),
- {bin_element,Line,Expr1,Size1,Type};
-expr(Other, _Lc) ->
- exit({?MODULE,{unknown_expr,Other}}).
+ {op,ln(Anno),Op,[L1,R1]};
+expr({bin,Anno,Grp}, _Lc) ->
+ Grp1 = expr_list(bin_expand_strings(Grp)),
+ {bin,ln(Anno),Grp1};
+expr({bin_element,Anno,Expr0,Size0,Type0}, _Lc) ->
+ {Size1,Type} = make_bit_type(Anno, Size0, Type0),
+ Expr = expr(Expr0, false),
+ Size = expr(Size1, false),
+ {bin_element,ln(Anno),Expr,Size,Type}.
consify([A|As]) ->
{cons,0,A,consify(As)};
consify([]) -> {value,0,[]}.
+make_bit_type(Line, default, Type0) ->
+ case erl_bits:set_bit_type(default, Type0) of
+ {ok,all,Bt} -> {{atom,Line,all},erl_bits:as_list(Bt)};
+ {ok,undefined,Bt} -> {{atom,Line,undefined},erl_bits:as_list(Bt)};
+ {ok,Size,Bt} -> {{integer,Line,Size},erl_bits:as_list(Bt)}
+ end;
+make_bit_type(_Line, Size, Type0) -> %Integer or 'all'
+ {ok,Size,Bt} = erl_bits:set_bit_type(Size, Type0),
+ {Size,erl_bits:as_list(Bt)}.
+
+expr_lc_bc({Tag,Anno,E0,Gs0}) ->
+ Gs = lists:map(fun ({generate,L,P0,Qs}) ->
+ {generate,L,pattern(P0),expr(Qs, false)};
+ ({b_generate,L,P0,Qs}) -> %R12.
+ {b_generate,L,pattern(P0),expr(Qs, false)};
+ (Expr) ->
+ case is_guard_test(Expr) of
+ true -> {guard,guard([[Expr]])};
+ false -> expr(Expr, false)
+ end
+ end, Gs0),
+ {Tag,ln(Anno),expr(E0, false),Gs}.
+
+is_guard_test(Expr) ->
+ IsOverridden = fun({_,_}) -> true end,
+ erl_lint:is_guard_test(Expr, [], IsOverridden).
+
+%% The debugger converts both strings "abc" and lists [67, 68, 69]
+%% into {value, Line, [67, 68, 69]}, making it impossible to later
+%% distingish one or the other inside binaries when evaluating. To
+%% avoid <<[67, 68, 69]>> from evaluating, we convert strings into
+%% chars to avoid the ambiguity.
+bin_expand_strings(Es) ->
+ lists:foldr(fun ({bin_element,Line,{string,_,S},Sz,Ts}, Es1) ->
+ lists:foldr(fun (C, Es2) ->
+ [{bin_element,Line,{char,Line,C},Sz,Ts}|Es2]
+ end, Es1, S);
+ (E, Es1) -> [E|Es1]
+ end, [], Es).
%% -type expr_list([Expression]) -> [Expression].
%% These expressions are processed "in parallel" for purposes of variable
@@ -534,17 +584,35 @@ icr_clauses([C0|Cs], Lc) ->
[C1|icr_clauses(Cs, Lc)];
icr_clauses([], _) -> [].
-fun_clauses([{clause,L,H,G,B}|Cs]) ->
- [{clause,L,head(H),guard(G),exprs(B, true)}|fun_clauses(Cs)];
+fun_clauses([{clause,A,H,G,B}|Cs]) ->
+ [{clause,ln(A),head(H),guard(G),exprs(B, true)}|fun_clauses(Cs)];
fun_clauses([]) -> [].
+
+new_map(Fs0, Anno, F) ->
+ Line = ln(Anno),
+ Fs1 = map_fields(Fs0, F),
+ Fs2 = [{L,K,V} || {map_field_assoc,L,K,V} <- Fs1],
+ try
+ {value,Line,map_literal(Fs2, #{})}
+ catch
+ throw:not_literal ->
+ {map,Line,Fs2}
+ end.
+
+map_literal([{_,{value,_,K},{value,_,V}}|T], M) ->
+ map_literal(T, maps:put(K, V, M));
+map_literal([_|_], _) ->
+ throw(not_literal);
+map_literal([], M) -> M.
+
map_fields(Fs) ->
map_fields(Fs, fun (E) -> expr(E, false) end).
-map_fields([{map_field_assoc,L,N,V}|Fs], F) ->
- [{map_field_assoc,L,F(N),F(V)}|map_fields(Fs)];
-map_fields([{map_field_exact,L,N,V}|Fs], F) ->
- [{map_field_exact,L,F(N),F(V)}|map_fields(Fs)];
+map_fields([{map_field_assoc,A,N,V}|Fs], F) ->
+ [{map_field_assoc,ln(A),F(N),F(V)}|map_fields(Fs)];
+map_fields([{map_field_exact,A,N,V}|Fs], F) ->
+ [{map_field_exact,ln(A),F(N),F(V)}|map_fields(Fs)];
map_fields([], _) -> [].
%% new_var_name() -> VarName.
@@ -564,6 +632,17 @@ new_vars(N, L, Vs) when N > 0 ->
new_vars(N-1, L, [V|Vs]);
new_vars(0, _, Vs) -> Vs.
+new_fun_name() ->
+ {F,A} = get(current_function),
+ I = get(fun_count),
+ put(fun_count, I+1),
+ Name = "-" ++ atom_to_list(F) ++ "/" ++ integer_to_list(A) ++
+ "-fun-" ++ integer_to_list(I) ++ "-",
+ list_to_atom(Name).
+
+ln(Anno) ->
+ erl_anno:line(Anno).
+
bif_type(erlang, Name, Arity) ->
case erl_internal:guard_bif(Name, Arity) of
true ->
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-02 01:17:39 +0000