Class: Jython::Interpreter

Inherits:
Object
  • Object
show all
Defined in:
lib/jython/interpreter.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Interpreter

Returns a new instance of Interpreter.


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# File 'lib/jython/interpreter.rb', line 14

def initialize()
  @interpreter = PythonInterpreter.new()
end

Instance Method Details

#compile(code, result = nil) ⇒ Object 


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# File 'lib/jython/interpreter.rb', line 34

def compile(code, result=nil)
  @interpreter.compile(code)
end

#eval(code) ⇒ Object 


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# File 'lib/jython/interpreter.rb', line 18

def eval(code)
  obj = @interpreter.eval(code)
  return to_java(obj)
end

#exec(code, result = nil) ⇒ Object 


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# File 'lib/jython/interpreter.rb', line 23

def exec(code, result=nil)
  @interpreter.exec(code)
  if !result.nil?
    to_java(@interpreter.get(result))
  end
end

#set(var, value) ⇒ Object 


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# File 'lib/jython/interpreter.rb', line 30

def set(var, value)
  @interpreter.set(var, value)
end

#to_java(obj) ⇒ Object 


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# File 'lib/jython/interpreter.rb', line 38

def to_java(obj)
  if obj.java_kind_of? org.python.core.PyBoolean
    Py.tojava(obj, "java.lang.Boolean")
  elsif obj.java_kind_of? org.python.core.PyInteger
    Py.tojava(obj, "java.lang.Integer")
  elsif obj.java_kind_of? org.python.core.PyLong
    Py.tojava(obj, "java.math.BigInteger")
  elsif obj.java_kind_of? org.python.core.PyString
    Py.tojava(obj, "java.lang.String")
  elsif obj.java_kind_of? org.python.core.PyList
    obj.toArray()
  elsif obj.java_kind_of? org.python.core.PyDictionary
    java.util.HashMap.new(obj)
  else
    obj.to_java.java_class
  end
end