VC is reporting: "The symbol 'some symbol here' is undefined" for a function when I use the "Go To Definition" option. Also, the functions this does work on often send me to a line ahead of or ...

I know many other languages use the eval() function to take a string argument and evaluate it as part of the source code (so you can run a function or assign a variable etc). I've seen it in PHP ...

To achieve this, certain functions can be temporarily switched off to display optimized values. C++ Dynamic Debugging is currently still in preview status and is available in the MSVC toolset.