[antlr-interest] How to judge the begin of current file?

[QinPeng]

Hi,all!

When a file test.h is:
#include "test1.h"
unsigned int usTest;

the test1.h is:

unsigned int usTest;

and use lexer to construct a parer tree of test.h and test1.h,
but how can I judge where is the begin of test.h of the parer tree sine 
the parer tree is begin at test1.h£¿

thank you!


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