Class: Archruby::Ruby::VarPropagation

Inherits:
Object
  • Object
show all
Defined in:
lib/archruby/ruby/var_propagation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ VarPropagation

Returns a new instance of VarPropagation.



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# File 'lib/archruby/ruby/var_propagation.rb', line 6

def initialize
  @vars = []
end

Instance Attribute Details

#vars ⇒ Object (readonly)

Returns the value of attribute vars.



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# File 'lib/archruby/ruby/var_propagation.rb', line 4

def vars
  @vars
end

Instance Method Details

#find_var(var_name) ⇒ Object 



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# File 'lib/archruby/ruby/var_propagation.rb', line 35

def find_var var_name
  vars.each do | var |
    if var.keys.first == var_name
      return var
    end
  end
  return nil
end

#push(var_name, line_number, type = nil) ⇒ Object 



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# File 'lib/archruby/ruby/var_propagation.rb', line 10

def push var_name, line_number, type = nil
  var = find_var var_name
  if var
    lines = var[var.keys.first][:lines]
    lines.push(line_number)
  else
    @vars.push(
      {
        var_name =>
          {
            :lines => [line_number],
            :type => type
          }
      }
    )
  end
end

#put_type(var_name, type) ⇒ Object 



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# File 'lib/archruby/ruby/var_propagation.rb', line 28

def put_type var_name, type
  var = find_var var_name
  if var
    var[var.keys.first][:type] = type
  end
end