67 lines
1.6 KiB
Ruby
67 lines
1.6 KiB
Ruby
|
module CodeRay
|
||
|
|
module Scanners
|
||
|
|
|
||
|
|
# = Debug Scanner
|
||
|
|
#
|
||
|
|
# Parses the output of the Encoders::Debug encoder.
|
||
|
|
class Raydebug < Scanner
|
||
|
|
|
||
|
|
register_for :raydebug
|
||
|
|
file_extension 'raydebug'
|
||
|
|
title 'CodeRay Token Dump'
|
||
|
|
|
||
|
|
protected
|
||
|
|
|
||
|
|
def scan_tokens encoder, options
|
||
|
|
|
||
|
|
opened_tokens = []
|
||
|
|
|
||
|
|
until eos?
|
||
|
|
|
||
|
|
if match = scan(/\s+/)
|
||
|
|
encoder.text_token match, :space
|
||
|
|
|
||
|
|
elsif match = scan(/ (\w+) \( ( [^\)\\]* ( \\. [^\)\\]* )* ) /x)
|
||
|
|
kind = self[1]
|
||
|
|
encoder.text_token kind, :class
|
||
|
|
encoder.text_token '(', :operator
|
||
|
|
match = self[2]
|
||
|
|
encoder.text_token match, kind.to_sym
|
||
|
|
encoder.text_token match, :operator if match = scan(/\)/)
|
||
|
|
|
||
|
|
elsif match = scan(/ (\w+) ([<\[]) /x)
|
||
|
|
kind = self[1]
|
||
|
|
case self[2]
|
||
|
|
when '<'
|
||
|
|
encoder.text_token kind, :class
|
||
|
|
when '['
|
||
|
|
encoder.text_token kind, :class
|
||
|
|
else
|
||
|
|
raise 'CodeRay bug: This case should not be reached.'
|
||
|
|
end
|
||
|
|
kind = kind.to_sym
|
||
|
|
opened_tokens << kind
|
||
|
|
encoder.begin_group kind
|
||
|
|
encoder.text_token self[2], :operator
|
||
|
|
|
||
|
|
elsif !opened_tokens.empty? && match = scan(/ [>\]] /x)
|
||
|
|
encoder.text_token match, :operator
|
||
|
|
encoder.end_group opened_tokens.pop
|
||
|
|
|
||
|
|
else
|
||
|
|
encoder.text_token getch, :space
|
||
|
|
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|
||
|
|
|
||
|
|
encoder.end_group opened_tokens.pop until opened_tokens.empty?
|
||
|
|
|
||
|
|
encoder
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|
||
|
|
end
|