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This has been requested for a long time, and I'm finally doing it
now. Unfortunately this is a breaking change for all of the APIs.
I've added in a Ruby method for `#child` that is deprecated so that
existing usage doesn't break, but for everyone else this is going
to be a bit of a pain.
https://github.com/ruby/prism/commit/9cbe74464e
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We're not using this anymore, and it doesn't make a lot of sense
outside the context of a compiler anyway, and in anyway it's wrong
when you have local variables written in default values.
https://github.com/ruby/prism/commit/5edbd9c25b
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the source encoding.
Ruby sets a Symbol literal's encoding to US-ASCII if the symbols consists only of US ASCII code points. Character escapes can also lead a Symbol to have a different encoding than its source's encoding.
https://github.com/ruby/prism/commit/f315660b31
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https://github.com/ruby/prism/commit/55b049ddac
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This doesn't actually fix the encodings for symbols and regex,
unfortunately. But I wanted to get this change in because it is
the last AST change we're going to make before 3.3 is released.
So, if consumers want, they can start to check these flags to
determine the encoding, even though it will be wrong. Then once we
actually set them correctly, everything should work.
https://github.com/ruby/prism/commit/9b35f7e891
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https://github.com/ruby/prism/commit/6e69a81737
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The locals_body_index gives the index in the locals array where
the locals from the body start. This allows compilers to easily
index past the parameters in the locals array.
https://github.com/ruby/prism/commit/5d4627b890
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* The same order as in source code.
* CallOrWriteNode, CallOperatorWriteNode, CallAndWriteNode already have
the correct order so it was also inconsistent with them.
https://github.com/ruby/prism/commit/4434e4bc22
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Method calls with keyword splat args compile differently than
without since they merge the keyword arg hash with the keyword splat
hash. We know this information at parse time, so can set a flag
which the compiler can use.
https://github.com/ruby/prism/commit/e5f8a9a3cd
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* https://github.com/ruby/prism/pull/1533
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