llvm-svn: 81346

Redefinition checking should ignore the leading whitespace and
start of line flags on the first token of an expansion.

llvm-svn: 66442

lib dir and move all the libraries into it.  This follows the main
llvm tree, and allows the libraries to be built in parallel.  The
top level now enforces that all the libs are built before Driver,
but we don't care what order the libs are built in.  This speeds
up parallel builds, particularly incremental ones.

llvm-svn: 48402

theoretically useful, but not useful in practice.  It adds a bunch of 
complexity, and not much value.  It's best to nuke it.  One big advantage
is that it means the target interfaces will soon lose their SLoc arguments
and target queries can never emit diagnostics anymore (yay).  Removing this
also simplifies some of the core preprocessor which should make it slightly
faster.

Ted, I didn't simplify TripleProcessor, which can now have at most one
triple, and can probably just be removed.  Please poke at it when you have
time.

llvm-svn: 47930

discussion of this change.

llvm-svn: 45410

Since that point is now long gone, we should rename LexerToken to
Token, as it is the only kind of token we have.

llvm-svn: 40105

explicitly new'd array.  The array never mutates once created, so a vector
is overkill.

llvm-svn: 39862

out of the llvm namespace.  This makes the clang namespace be a sibling of
llvm instead of being a child.

The good thing about this is that it makes many things unambiguous.  The
bad things is that many things in the llvm namespace (notably data structures
like smallvector) now require an llvm:: qualifier.  IMO, libsystem and libsupport
should be split out of llvm into their own namespace in the future, which will fix
this issue.

llvm-svn: 39659

Submitted by: Bill Wendling
Reviewed by: Chris Lattner

- Removed unneeded <iostream> header.

llvm-svn: 39484

llvm-svn: 38980

llvm-svn: 38715

enhance macro equality testing to verify argument lists match.

llvm-svn: 38682

llvm-svn: 38681

llvm-svn: 38680

fully implement it.

Fix warning on #define __LINE__ to warn about redefinition, not #undef.

llvm-svn: 38679

Now, instead of keeping a pointer to the start of the token in memory, we keep the
start of the token as a SourceLocation node.  This means that each LexerToken knows
the full include stack it was created with, and means that the LexerToken isn't
reliant on a "CurLexer" member to be around (lexer tokens would previously go out of
scope when their lexers were deallocated).

This simplifies several things, and forces good cleanup elsewhere.  Now the
Preprocessor is the one that knows how to dump tokens/macros and is the one that
knows how to get the spelling of a token (it has all the context).

llvm-svn: 38551

relying on TheLexer.

llvm-svn: 38549

llvm-svn: 38539