Module: Kernel

Defined in:
lib/rmtools/core/kernel.rb

Instance Method Summary collapse

Instance Method Details

#executing?(file = $0) ⇒ Boolean 



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# File 'lib/rmtools/core/kernel.rb', line 29

def executing? file=$0
  caller[0] =~ /^#{file}:/
end

#obtained(obj, &func) ⇒ Object 



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# File 'lib/rmtools/core/kernel.rb', line 14

def obtained(obj, &func)
  if obj.is Proc
    if obj.arity == 0
      func.call obj.call
    else # obj is a function receiving another function
      obj.call &func
    end
  else func.call obj
  end
end

#require!(file) ⇒ Object

re-require



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# File 'lib/rmtools/core/kernel.rb', line 5

def require!(file)
  [file, File.expand_path(file)].find {|path|
    ['.rb', '.so', '.dll', ''].find {|ext| 
      $".delete "#{file}#{ext}"
    }
  } || $".del_where {|path| path[%r{/#{file}(.rb|.so|.dll)?$}]}
  require file
end

#thread(&block) ⇒ Object 



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# File 'lib/rmtools/core/kernel.rb', line 70

def thread(&block)
  Thread.new(&block)
end

#TypeError!(given, *expected) ⇒ Object 



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# File 'lib/rmtools/core/kernel.rb', line 25

def TypeError! given, *expected
  "invalid argument type #{given.class.name}, expected #{expected*' or '}"
end

#whose?(method, *opts) ⇒ Boolean 



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# File 'lib/rmtools/core/kernel.rb', line 33

def whose?(method, *opts)
  opts = *opts.get_opts([:flags], :ns => :public)
  opts[:modules] ||= opts[:mod]
  checker = :"#{opts[:ns]}_method_defined?"
  if Array === method
    methods = method.to_syms
  else 
    methods = [method = method.to_sym]
  end
  if defined? ActiveSupport::JSON::CircularReferenceError
    ActiveSupport::JSON.__send__ :remove_const, :CircularReferenceError
  end
  classes = {}
  
  methods.each {|m|
      classes[m] = {Object => true} if Object.send checker, m and (
        !opts[:modules] or 
        Object.included_modules.select {|mod| (checker[m] ||= {})[mod] = true if mod.__send__ checker, m}.empty?
      )
  }
  methods -= classes.keys
  return classes.map_values {|h| h.keys} if methods.empty?
  
  klass = opts[:modules] ? Module : Class
  ObjectSpace.each_object {|o| 
    methods.each {|m| (classes[m] ||= {})[o] = true if o.name != '' and o.__send__ checker, m} if klass === o
  }
  classes.map_values! {|h| 
    if !opts[:descendants]
      h.each {|c, b| h[c] = nil if (c.is Class and h.key? c.superclass) or (opts[:modules] and c.included_modules.find {|a| h.key? a})}
    end
    h.map {|c,b| b && c}.compact
  }
  
  Array === method ? classes : classes[method]
end