[Lldb-commits] [PATCH] D15437: Read macro info from .debug_macro section and use it for expression evaluation.

[Greg Clayton via lldb-commits]

clayborg added a comment.

One area of concern is if you are not tracking file, how can you get the right defines for a given source file line? If you have:

main.c:

  #include <foo.h>
  #define FOO printf
  
  int main ()
  {
      return 0; // Stop here and run: FOO("hello world\n")
  }
  
  #undef FOO

But in foo.h you have:
#define FOO puts

// nothing
// nothing
// nothing
// nothing

#undef FOO

  Do you currently correctly have the following in your macros if stopped at the return statement in main?

#define FOO puts    <<< from foo.h
#undef FOO <<< from foo.h
#define FOO print <<< from main.c

  Both foo definitions will be on line 1, and we will be stopped on line 5 of main.c, but if we don't know that the entries from foo.h come from foo.h we might accidentally include these statements?


http://reviews.llvm.org/D15437