Class: RVM::Interpreter::SimpleVariable

Inherits:
Variable show all
Defined in:
lib/rvm/optimisation.rb

Overview

Version of the RVM::Interpreter::Variable that handles static variable names

Instance Attribute Summary

Attributes inherited from Element

#pos

Instance Method Summary collapse

Methods inherited from Variable

#data_type, #pretty_print

Constructor Details

#initialize(name, pos = nil) ⇒ SimpleVariable

A SimpleVariable is initialized wiht 1 to 2 parameters.

name

The name of the variable to get, it will be executed as long as it is no Sybol in which case it is treated as a special variable.

pos

The position within the source code of the definition - for deugging purpose.



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# File 'lib/rvm/optimisation.rb', line 49

def initialize name, pos = nil
  super(name.to_s,pos)
end

Instance Method Details

#execute(env) ⇒ Object

The name is a sting and we simple get what is written in the env



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# File 'lib/rvm/optimisation.rb', line 54

def execute env
  RVM::debug "Executing SimpleVariable at #{@pos}..." if $DEBUG
  begin
    r = env.read_var_val(@name)
    @type = r.data_type if r.respond_to?(:data_type)
    r
  rescue Exception => e
    raise RuntimeError.new("Failed to get Varialbe #{e}", @pos[0], @pos[1], @pos[2])
  end
end

#optimize ⇒ Object 



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# File 'lib/rvm/optimisation.rb', line 65

def optimize
  self
end