# Copyright (c) 2005-2007 Diego Pettenò <flameeyes@gmail.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE
# FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

require 'rust/element'

module Rust
  # This class represents a C/C++ constants or enumeration, it is
  # simply going to map a Ruby constant with the given name under its
  # parent with the given value
  class Constant < Element
    def initialize(name, value, parent)
      super()

      @name = name.upcase
      @value = value
      @parent = parent

      @declaration_template = ""
      @definition_template = ""
      @initialization_template = 
        "rb_define_const(r!parent_varname!, \"!name!\", cxx2ruby(!value!));\n"

      add_expansion 'parent_varname', '@parent.varname'
      add_expansion 'name', '@name'
      add_expansion 'value', '@value'
    end
  end

end