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authorHans Bolinder <[email protected]>2018-06-12 15:25:45 +0200
committerHans Bolinder <[email protected]>2018-06-25 10:19:45 +0200
commit9015e696e61abbc9088dfa4cd333c56985d05e61 (patch)
treea478b2b74736dc524c513aa518f86bd09edc9b39 /lib/stdlib/src
parentebb767a2656a4d604e6f860cc03cbb4c0b0aecb8 (diff)
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stdlib: Add a few uses of erl_anno
With DEBUG=true in erl_anno, erl_parse, and erl_pp a few (harmless) non-opaque accesses of annotations were found.
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/beam_lib.erl23
-rw-r--r--lib/stdlib/src/erl_eval.erl15
-rw-r--r--lib/stdlib/src/erl_pp.erl4
3 files changed, 31 insertions, 11 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index ef4c7d255c..01181b1097 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -690,30 +690,31 @@ chunk_to_data(debug_info=Id, Chunk, File, _Cs, AtomTable, Mod) ->
<<0:8,N:8,Mode0:N/binary,Rest/binary>> ->
Mode = binary_to_atom(Mode0, utf8),
Term = decrypt_chunk(Mode, Mod, File, Id, Rest),
- {AtomTable, {Id, Term}};
+ {AtomTable, {Id, anno_from_term(Term)}};
_ ->
case catch binary_to_term(Chunk) of
{'EXIT', _} ->
error({invalid_chunk, File, chunk_name_to_id(Id, File)});
Term ->
- {AtomTable, {Id, Term}}
+ {AtomTable, {Id, anno_from_term(Term)}}
end
end;
chunk_to_data(abstract_code=Id, Chunk, File, _Cs, AtomTable, Mod) ->
+ %% Before Erlang/OTP 20.0.
case Chunk of
<<>> ->
{AtomTable, {Id, no_abstract_code}};
<<0:8,N:8,Mode0:N/binary,Rest/binary>> ->
Mode = binary_to_atom(Mode0, utf8),
Term = decrypt_chunk(Mode, Mod, File, Id, Rest),
- {AtomTable, {Id, anno_from_term(Term)}};
+ {AtomTable, {Id, old_anno_from_term(Term)}};
_ ->
case catch binary_to_term(Chunk) of
{'EXIT', _} ->
error({invalid_chunk, File, chunk_name_to_id(Id, File)});
Term ->
try
- {AtomTable, {Id, anno_from_term(Term)}}
+ {AtomTable, {Id, old_anno_from_term(Term)}}
catch
_:_ ->
error({invalid_chunk, File,
@@ -947,14 +948,24 @@ decrypt_chunk(Type, Module, File, Id, Bin) ->
error({key_missing_or_invalid, File, Id})
end.
-anno_from_term({raw_abstract_v1, Forms}) ->
+old_anno_from_term({raw_abstract_v1, Forms}) ->
{raw_abstract_v1, anno_from_forms(Forms)};
-anno_from_term({Tag, Forms}) when Tag =:= abstract_v1; Tag =:= abstract_v2 ->
+old_anno_from_term({Tag, Forms}) when Tag =:= abstract_v1;
+ Tag =:= abstract_v2 ->
try {Tag, anno_from_forms(Forms)}
catch
_:_ ->
{Tag, Forms}
end;
+old_anno_from_term(T) ->
+ T.
+
+anno_from_term({debug_info_v1=Tag1, erl_abstract_code=Tag2, {Forms, Opts}}) ->
+ try {Tag1, Tag2, {anno_from_forms(Forms), Opts}}
+ catch
+ _:_ ->
+ {Tag1, Tag2, {Forms, Opts}}
+ end;
anno_from_term(T) ->
T.
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 31c0e60fe1..2066b2f60f 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -329,7 +329,8 @@ expr({'fun',Line,{clauses,Cs}} = Ex, Bs, Lf, Ef, RBs) ->
20 -> fun (A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T) ->
eval_fun([A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T], Info) end;
_Other ->
- erlang:raise(error, {'argument_limit',{'fun',Line,Cs}},
+ L = erl_anno:location(Line),
+ erlang:raise(error, {'argument_limit',{'fun',L,to_terms(Cs)}},
?STACKTRACE)
end,
ret_expr(F, Bs, RBs);
@@ -381,7 +382,9 @@ expr({named_fun,Line,Name,Cs} = Ex, Bs, Lf, Ef, RBs) ->
eval_named_fun([A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T],
RF, Info) end;
_Other ->
- erlang:raise(error, {'argument_limit',{named_fun,Line,Name,Cs}},
+ L = erl_anno:location(Line),
+ erlang:raise(error, {'argument_limit',
+ {named_fun,L,Name,to_terms(Cs)}},
?STACKTRACE)
end,
ret_expr(F, Bs, RBs);
@@ -1092,7 +1095,7 @@ match(Pat, Term, Bs) ->
match(Pat, Term, Bs, BBs) ->
case catch match1(Pat, Term, Bs, BBs) of
invalid ->
- erlang:raise(error, {illegal_pattern,Pat}, ?STACKTRACE);
+ erlang:raise(error, {illegal_pattern,to_term(Pat)}, ?STACKTRACE);
Other ->
Other
end.
@@ -1288,6 +1291,12 @@ merge_bindings(Bs1, Bs2) ->
%% end
%% end, Bs2, Bs1).
+to_terms(Abstrs) ->
+ [to_term(Abstr) || Abstr <- Abstrs].
+
+to_term(Abstr) ->
+ erl_parse:anno_to_term(Abstr).
+
%% Substitute {value, A, Item} for {var, A, Var}, preserving A.
%% {value, A, Item} is a shell/erl_eval convention, and for example
%% the linter cannot handle it.
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 367dbefb82..dd302a2880 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -59,7 +59,7 @@
_ -> ?TEST(T)
end).
-define(EXPRS_TEST(L),
- [?TEST(E) || E <- L]).
+ _ = [?TEST(E) || E <- L]).
-define(TEST(T),
%% Assumes that erl_anno has been compiled with DEBUG=true.
%% erl_pp does not use the annoations, but test it anyway.