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Author SHA1 Message Date
Douglas Gregor 081425343b Introduce support for a simple module import declaration, which 
loads the named module. The syntax itself is intentionally hideous and
will be replaced at some later point with something more
palatable. For now, we're focusing on the semantics:
  - Module imports are handled first by the preprocessor (to get macro
  definitions) and then the same tokens are also handled by the parser
  (to get declarations). If both happen (as in normal compilation),
  the second one is redundant, because we currently have no way to
  hide macros or declarations when loading a module. Chris gets credit
  for this mad-but-workable scheme.
  - The Preprocessor now holds on to a reference to a module loader,
  which is responsible for loading named modules. CompilerInstance is
  the only important module loader: it now knows how to create and
  wire up an AST reader on demand to actually perform the module load.
  - We search for modules in the include path, using the module name
  with the suffix ".pcm" (precompiled module) for the file name. This
  is a temporary hack; we hope to improve the situation in the
  future.

llvm-svn: 138679
 2011-08-26 23:56:07 +00:00
Chandler Carruth 29027b9352 Fix this test which had encoded the typo fixed in r137814. 
llvm-svn: 137821
 2011-08-17 08:56:14 +00:00
Ted Kremenek 26794fe096 Place err_cfstring_literal_not_string_constant and warn_cfstring_truncated under "-WCFString" flag. 
llvm-svn: 137508
 2011-08-12 20:46:54 +00:00
Ted Kremenek 95c3b73f3a Place diagnostic warn_stringcompare under the "-Wstring-compare" flag. 
llvm-svn: 137507
 2011-08-12 20:46:52 +00:00
Ted Kremenek d713fec9cc Place warnings related to incorrect "main()" declaration under "-Wmain". 
llvm-svn: 137506
 2011-08-12 20:46:49 +00:00
Ted Kremenek 8facefab10 Add -Wtypename-missing flag for diagnostic warn_typename_missing. 
llvm-svn: 137505
 2011-08-12 20:46:45 +00:00
Ted Kremenek 228b5fefbb Add diagtool-based test where we enforce that no additional warnings can be added to Clang without a -W flag. 
llvm-svn: 137369
 2011-08-11 22:06:55 +00:00