Commit Graph

7 Commits

Author SHA1 Message Date
Douglas Gregor e56c353eb1 Try to appease MSVC's standard library
llvm-svn: 98878
2010-03-18 21:28:30 +00:00
Douglas Gregor 5810ead358 Try to appease MSVC
llvm-svn: 98875
2010-03-18 21:25:12 +00:00
Douglas Gregor 78ae2481b6 Explicitly link macro instantiations to macro definitions in the
preprocessing record. Use that link with clang_getCursorReferenced()
and clang_getCursorDefinition() to match instantiations of a macro to
the definition of the macro.

llvm-svn: 98842
2010-03-18 18:23:03 +00:00
Douglas Gregor 06d6d32762 Expose macro definitions as CIndex cursors. These can still only be
generated by clang_annotateTokens().

llvm-svn: 98837
2010-03-18 18:04:21 +00:00
Douglas Gregor 065f8d11ca Introduce the notion of a "preprocessing record", which keeps track of
the macro definitions and macro instantiations that are found
during preprocessing. Preprocessing records are *not* generated by
default; rather, we provide a PPCallbacks subclass that hooks into the
existing callback mechanism to record this activity.

The only client of preprocessing records is CIndex, which keeps track
of macro definitions and instantations so that they can be exposed via
cursors. At present, only token annotation uses these facilities, and
only for macro instantiations; both will change in the near
future. However, with this change, token annotation properly annotates
macro instantiations that do not produce any tokens and instantiations
of macros that are later undef'd, improving our consistency.

Preprocessing directives that are not macro definitions are still
handled by clang_annotateTokens() via re-lexing, so that we don't have
to track every preprocessing directive in the preprocessing record.

Performance impact of preprocessing records is still TBD, although it
is limited to CIndex and therefore out of the path of the main compiler.

llvm-svn: 98836
2010-03-18 17:52:52 +00:00
Douglas Gregor 02ded2a56c More token-annotation experimentation, preprocessing the annotated
token sequence to detect macro instantiations (that produce at least
token). WIP.

llvm-svn: 98826
2010-03-18 15:23:44 +00:00
Douglas Gregor 92a524fd47 Experimental stab at using relexing to identify preprocessor
directives while annotating tokens in CIndex. This functionality
should probably be factored out of this routine, but we're not there
yet. 

llvm-svn: 98786
2010-03-18 00:42:48 +00:00