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Support multiple states when parsing rules #2078

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Support multiple states when parsing rules #2078

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13 changes: 13 additions & 0 deletions lib/rouge/regex_lexer.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,19 @@ def rule(re, tok=nil, next_state=nil, &callback)
puts " yielding: #{tok.qualname}, #{stream[0].inspect}" if @debug
@output_stream.call(tok, stream[0])
end
when Array
proc do |stream|
puts " yielding: #{tok.qualname}, #{stream[0].inspect}" if @debug
@output_stream.call(tok, stream[0])
for i_next_state in next_state do
next @stack.pop if i_next_state == :pop!
next @stack.push(@stack.last) if i_next_state == :push

state = @states[i_next_state] || self.class.get_state(i_next_state)
puts " pushing :#{state.name}" if @debug
@stack.push(state)
end
end
else
raise "invalid next state: #{next_state.inspect}"
end
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