Class: Otaku::Handler::Processor::MagicProc

Inherits:
MagicProc
  • Object
show all
Defined in:
lib/otaku/handler/processor.rb

Constant Summary

Constants inherited from MagicProc

MagicProc::RUBY_2_RUBY, MagicProc::RUBY_PARSER

Instance Attribute Summary

Attributes inherited from MagicProc

#code, #file, #line

Instance Method Summary collapse

Methods inherited from MagicProc

#eval!, #initialize, #marshal_dump, #marshal_load

Constructor Details

This class inherits a constructor from Otaku::Handler::MagicProc

Instance Method Details

#code_fragments ⇒ Object 



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# File 'lib/otaku/handler/processor.rb', line 26

def code_fragments
  ignore, start_marker, arg =
    [:ignore, :start_marker, :arg].map{|key| code_match_args[key] }
  [
    "proc #{start_marker} |#{arg}| ",
    source_code.sub(ignore, '')
  ]
end

#code_match_args ⇒ Object 



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# File 'lib/otaku/handler/processor.rb', line 45

def code_match_args
  @cache[:code_match_args] ||= (
    arg_idx, marker_idx = 5, 3
    args = source_code.match(code_regexp)
    while args && prob_regexp =~ args[1]
      arg_idx, marker_idx = 4, 2
      args = source_code.match(revised_regexp(args[1]))
    end
    {
      :ignore => args[1],
      :start_marker => args[marker_idx],
      :arg => args[arg_idx]
    }
  )
end

#code_regexp ⇒ Object 



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# File 'lib/otaku/handler/processor.rb', line 61

def code_regexp
  /^(.*?(Otaku\.start.*?|lambda|proc|Proc\.new)\s*(do|\{)\s*(\|(\w+)\|\s*))/m
end

#prob_regexp ⇒ Object 



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# File 'lib/otaku/handler/processor.rb', line 69

def prob_regexp
  /Otaku\.start.*?(lambda|proc|Proc\.new)\s*(\{|do)\s*\|\w+\|\s*$/m
end

#revised_regexp(e) ⇒ Object 



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# File 'lib/otaku/handler/processor.rb', line 65

def revised_regexp(e)
  /^(.*?#{Regexp.quote(e)}.*?\s*(\{|do)\s*(\|(\w+)\|)\s*)/m
end

#sexp_regexp ⇒ Object 



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# File 'lib/otaku/handler/processor.rb', line 35

def sexp_regexp
  @cache[:sexp_regexp] ||= (
    Regexp.new([
      Regexp.quote("s(:iter, s(:call, nil, :"),
      "(proc|lambda)",
      Regexp.quote(", s(:arglist)), s(:lasgn, :#{code_match_args[:arg]}), s("),
    ].join)
  )
end