Eclipse CDT does not index code between #if SYMBOL #endif

I am working in webkit with Eclipse CDT as IDE, there are some classes under #if ENABLE(VI开发者_Python百科DEO) but eclipse does not index it. It thinks that they are unused blocks, is there any way by which I can tell eclipse to index everything?

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Not sure about the solution you suggested, but there's another:

Open your project's properties, go to C/C++ General -> Path and Symbols -> Symbols, make sure you have Configuration set to All configurations and then add there any preprocessor symbols you'd like to have defined.

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Please check

https://bugs.eclipse.org/bugs/show_bug.cgi?id=240194#c1

If you for example have problems in indexing "#if DEBUG" then the indexing result will depend on how DEBUG is defined.

This really depends on the definition of the DEBUG macro:

#define DEBUG ---> // syntax error (#if with no expression)

#define DEBUG 1 ---> // ok, selects if-branch (#if 1)

#define DEBUG 0 ---> // ok, selects else-branch (#if 0)

#undef DEBUG ---> // ok, selects else-branch (#if DEBUG)

You should probably use #ifdef DEBUG instead.

Or you can define DEBUG = 1.

Go to Project --> Settings --> C/C++ General --> Preprocessor Include --> Entries.

Under "Setting Entries" select "CDT User Setting Entries".

Then "Add..."

Then select "Preprocessor Macro" and add the name and value.