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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-20 02:12:48 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-20 02:12:48 +0000 |
commit | 2283d14cc9fefa278dfde02bdf8d84ce50cfe16f (patch) | |
tree | 30d2cbd4b62f9f61a83a9ef7e622351f630aa44a /ext/rubyvm/lib | |
parent | fb8628ecda28227d000f006cc17d4bddbc67f97e (diff) | |
download | ruby-2283d14cc9fefa278dfde02bdf8d84ce50cfe16f.tar.gz |
forwardable/impl.rb
* lib/forwardable/impl.rb (_valid_method?, _compile_method):
extract to separate implementation specific part.
[ruby-core:78138] [Bug #12938]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/rubyvm/lib')
-rw-r--r-- | ext/rubyvm/lib/forwardable/impl.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ext/rubyvm/lib/forwardable/impl.rb b/ext/rubyvm/lib/forwardable/impl.rb new file mode 100644 index 0000000000..ddf732156a --- /dev/null +++ b/ext/rubyvm/lib/forwardable/impl.rb @@ -0,0 +1,19 @@ +# :stopdoc: +module Forwardable + FILTER_EXCEPTION = "" + + def self._valid_method?(method) + iseq = RubyVM::InstructionSequence.compile("().#{method}", nil, nil, 0, false) + rescue SyntaxError => e + false + else + iseq.to_a.dig(-1, 1, 1, :mid) == method.to_sym + end + + def self._compile_method(src, file, line) + RubyVM::InstructionSequence.compile(src, file, file, line, + trace_instruction: false, + tailcall_optimization: true) + .eval + end +end |