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[ruby/yarp] ignore state on embexpr_end

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Ripper state can carry over from the previous node type making coparison less useful

https://github.com/ruby/yarp/commit/74509728d4
This commit is contained in:
HParker 2023-08-25 11:12:09 -07:00 committed by git
parent 4825600da5
commit f84690c6e2
1 changed files with 8 additions and 15 deletions
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23
lib/yarp/lex_compat.rb
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@ -208,18 +208,9 @@ module YARP
end
end
# It is extremely non obvious which state the parser is in when comments get
# dispatched. Because of this we don't both comparing state when comparing
# against other comment tokens.
class CommentToken < Token
def ==(other)
self[0...-1] == other[0...-1]
end
end
# Heredoc end tokens are emitted in an odd order, so we don't compare the
# state on them.
class HeredocEndToken < Token
# Tokens where state should be ignored
# used for :on_comment, :on_heredoc_end, :on_embexpr_end
class IgnoreStateToken < Token
def ==(other)
self[0...-1] == other[0...-1]
end
@ -624,12 +615,12 @@ module YARP
when :on___end__
EndContentToken.new([[lineno, column], event, value, lex_state])
when :on_comment
CommentToken.new([[lineno, column], event, value, lex_state])
IgnoreStateToken.new([[lineno, column], event, value, lex_state])
when :on_heredoc_end
# Heredoc end tokens can be emitted in an odd order, so we don't
# want to bother comparing the state on them.
HeredocEndToken.new([[lineno, column], event, value, lex_state])
when :on_embexpr_end, :on_ident
IgnoreStateToken.new([[lineno, column], event, value, lex_state])
when :on_ident
if lex_state == Ripper::EXPR_END
# If we have an identifier that follows a method name like:
#
@ -649,6 +640,8 @@ module YARP
else
Token.new([[lineno, column], event, value, lex_state])
end
when :on_embexpr_end
IgnoreStateToken.new([[lineno, column], event, value, lex_state])
when :on_ignored_nl
# Ignored newlines can occasionally have a LABEL state attached to
# them which doesn't actually impact anything. We don't mirror that