code: function getCompilerApp()
  {
  	if (!compilerApp) {
  		compilerApp = path.resolve(__dirname, './native_compiler') + path.sep;
  		if (process.platform == 'win32') {
  			compilerApp += 'solc.exe';
  		}
  		else if (process.platform == 'linux') {
  			compilerApp += 'solc';
  		}
  		else {
  			throw new Error("Unsupported platform.");
  		}
  	}
  	return compilerApp;
  }
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