[Lldb-commits] [PATCH] D15437: Read macro info from .debug_macro section and use it for expression evaluation.
Siva Chandra via lldb-commits
lldb-commits at lists.llvm.org
Fri Dec 11 16:12:06 PST 2015
sivachandra added a comment.
The spec says that, for a given compile unit, the macro entries in the debug info will be in the order in which the compiler processes them. Hence, at line 5 in your example, all these are relevant:
#define FOO puts <<< from foo.h
#undef FOO <<< from foo.h
#define FOO print <<< from main.c
I have actually verified that it works as expected; FOO resolves to printf and not puts at line 5.
You have tickled one aspect that I have ignored though. What if one is stopped in an inlined function/method defined in an included file? I think taking care of this is a fairly straightforward change over what I now have. I will need to bring back the line index in DebugMacroEntry and use it. Will send an update soon.
http://reviews.llvm.org/D15437
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