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[ruby/irb] Refactor ripper_lex_without_warning

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https://github.com/ruby/irb/commit/0db0a8ddc5
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st0012 2022-09-30 23:08:36 +01:00 committed by git
parent ded895baa9
commit 55e2116f2c
1 changed files with 4 additions and 6 deletions
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10
lib/irb/ruby-lex.rb
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@ -139,7 +139,7 @@ class RubyLex
def self.ripper_lex_without_warning(code, context: nil)
verbose, $VERBOSE = $VERBOSE, nil
if context
lvars = context&.workspace&.binding&.local_variables
lvars = context.workspace&.binding&.local_variables
if lvars && !lvars.empty?
code = "#{lvars.join('=')}=nil\n#{code}"
line_no = 0
@ -147,12 +147,11 @@ class RubyLex
line_no = 1
end
end
tokens = nil
compile_with_errors_suppressed(code, line_no: line_no) do |inner_code, line_no|
lexer = Ripper::Lexer.new(inner_code, '-', line_no)
if lexer.respond_to?(:scan) # Ruby 2.7+
tokens = []
lexer.scan.each do |t|
lexer.scan.each_with_object([]) do |t, tokens|
next if t.pos.first == 0
prev_tk = tokens.last
position_overlapped = prev_tk && t.pos[0] == prev_tk.pos[0] && t.pos[1] < prev_tk.pos[1] + prev_tk.tok.bytesize
@ -163,10 +162,9 @@ class RubyLex
end
end
else
tokens = lexer.parse.reject { |it| it.pos.first == 0 }
lexer.parse.reject { |it| it.pos.first == 0 }
end
end
tokens
ensure
$VERBOSE = verbose
end