/// <summary>
/// NCalc custom function evaluator
/// </summary>
/// <param name="name">name of the function to be evaluated</param>
/// <param name="args">FunctionArgs object from where the function arguments will be read and the function evaluation result will be stored</param>
private void EvaluateFunction(string name, FunctionArgs args)
{
if (name == "defined")
{
//it is here assumed that defined always takes one argument and is of type identifier
Identifier identifier = (Identifier)args.Parameters[0].ParsedExpression;
args.Result = _definesHandler.IsDefined(identifier.Name);
}
}
/// <summary>
/// Acquires the pre-processor definitions used by the project
/// </summary>
/// <param name="projectInfo">The Visual Studio project</param>
/// <returns>The pre-processor definitions specified within the project</returns>
private static Defines GetDefines(ProjectInfo projectInfo)
{
/*
* it is important that the pre-processor defines at project level are not modified
* because every source file in the project has to have the same starting point.
*/
//call to cpy ctor
Defines defines = new Defines(projectInfo.DefinesHandler);
// Additional Boost definitions
// NOTE These definitions are generally assumed to be available since
// we are operating in a BOOST Test context
if (!defines.IsDefined("BOOST_VERSION"))
{
defines.Define("BOOST_VERSION", "0");
}
return(defines);
}