Class: Ruby2CExtension::Plugins::ConstCache

Inherits:
Ruby2CExtension::Plugin show all
Defined in:
lib/ruby2cext/plugins/const_cache.rb

Instance Attribute Summary

Attributes inherited from Ruby2CExtension::Plugin

#compiler

Instance Method Summary collapse

Methods inherited from Ruby2CExtension::Plugin

#global_c_code, #init_c_code

Constructor Details

#initialize(compiler) ⇒ ConstCache

Returns a new instance of ConstCache.



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# File 'lib/ruby2cext/plugins/const_cache.rb', line 5

def initialize(compiler)
  super
  compiler.add_preprocessor(:const) { |cfun, node|
    cfun.instance_eval {
      c_static_once {
        comp_const(node.last)
      }
    }
  }
  compiler.add_preprocessor(:colon2) { |cfun, node|
    mid = node.last[:mid]
    if mid.to_s[0,1].downcase != mid.to_s[0,1] # then it is a constant
      cfun.instance_eval {
        c_static_once {
          comp_colon2(node.last)
        }
      }
    else
      node
    end
  }
  compiler.add_preprocessor(:colon3) { |cfun, node|
    cfun.instance_eval {
      c_static_once {
        comp_colon3(node.last)
      }
    }
  }
end