C++ – How to see a C/C++ source file after preprocessing in Visual Studio

cc-preprocessordebuggingvisual-studio-2005

Let's say I have a source file with many preprocessor directives. Is it possible to see how it looks after the preprocessor is done with it?

Best Answer

cl.exe, the command line interface to Microsoft Visual C++, has three different options for outputting the preprocessed file (hence the inconsistency in the previous responses about Visual C++):

If you want to preprocess to a file without #line directives, combine the /P and /EP options.