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authorBjörn Gustavsson <[email protected]>2016-08-30 08:01:00 +0200
committerBjörn Gustavsson <[email protected]>2016-09-01 15:16:03 +0200
commit6ba91ac62a8cffd9ea274ce8b9023abbcb8d9b67 (patch)
treebb602709a0082f52642460fc6ba5f64a18b5ca9f /lib/stdlib/src
parentdb159faace6e8525e7883a7cb60eb57275d66924 (diff)
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Remove sys_pre_expand
The previous commits have made sys_pre_expand superfluous. Since sys_pre_expand is undocumented and unsupported it can be removed in a major release without prior deprecation. Also remove code in erl_parse that handles abstract code that has passed through sys_pre_expand. We considered deprecating sys_pre_expand just in case, but decided against it for the following reasons: - Anyone brave and knowledgeable enough to use sys_pre_expand should be able to cope with sys_pre_expand being removed. - If we kept it, but didn't test it anywhere in OTP, it could potentially stop working. So we would probably have to add some test cases.
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/erl_parse.yrl13
1 files changed, 0 insertions, 13 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 85b2816451..549179da68 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -1567,19 +1567,6 @@ anno_from_term(Term) ->
map_anno(fun erl_anno:from_term/1, Term).
%% Forms.
-%% Recognize what sys_pre_expand does:
-modify_anno1({'fun',A,F,{_,_,_}=Id}, Ac, Mf) ->
- {A1,Ac1} = Mf(A, Ac),
- {F1,Ac2} = modify_anno1(F, Ac1, Mf),
- {{'fun',A1,F1,Id},Ac2};
-modify_anno1({named_fun,A,N,F,{_,_,_}=Id}, Ac, Mf) ->
- {A1,Ac1} = Mf(A, Ac),
- {F1,Ac2} = modify_anno1(F, Ac1, Mf),
- {{named_fun,A1,N,F1,Id},Ac2};
-modify_anno1({attribute,A,N,[V]}, Ac, Mf) ->
- {{attribute,A1,N1,V1},Ac1} = modify_anno1({attribute,A,N,V}, Ac, Mf),
- {{attribute,A1,N1,[V1]},Ac1};
-%% End of sys_pre_expand special forms.
modify_anno1({function,F,A}, Ac, _Mf) ->
{{function,F,A},Ac};
modify_anno1({function,M,F,A}, Ac, Mf) ->