Class: Renjin::Environment

Inherits:
RubySexp show all
Defined in:
lib/JRubyR/environment.rb

Instance Attribute Summary

Attributes included from RBSexp

#attr, #rvar, #scope, #sexp

Instance Method Summary (collapse)

Methods inherited from RubySexp

build, #fassign, #initialize, #to_string

Methods included from RBSexp

#destroy, #ncol, #nrow, #pp, #print, #r, #rclass, #sexp?, #typeof, #unbind

Constructor Details

This class inherits a constructor from Renjin::RubySexp

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

- (Object) method_missing(symbol, *args) 



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# File 'lib/JRubyR/environment.rb', line 33

def method_missing(symbol, *args)
  
  name = symbol.id2name
  if name =~ /(.*)=$/
    # should never reach this point.  Parse error... but check
    raise ArgumentError, "You shouldn't assign nil" if args==[nil]
    super if args.length != 1
    ret = R.assign($1,args[0])
  else
    name.gsub!(/__/,".")
    # super if args.length != 0
    if (args.length == 0)
      # treat the argument as a named item of the list
      ret = Renjin::RubySexp.build(@sexp.getVariable(name))
    else
      params = parse(*args)
      ret = eval("#{name}(#{params})")
    end
  end
  
  ret
  
end