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Douglas Gregor 15e5602e59 Improve diagnostics when the parser encounters a declarator with an 
unknown type name, e.g.,

  foo::bar x;

when "bar" does not refer to a type in "foo". 

With this change, the parser now calls into the action to perform
diagnostics and can try to recover by substituting in an appropriate
type. For example, this allows us to easily diagnose some missing
"typename" specifiers, which we now do:

  test/SemaCXX/unknown-type-name.cpp:29:1: error: missing 'typename'
        prior to dependent type name 'A<T>::type'
  A<T>::type A<T>::f() { return type(); }
  ^~~~~~~~~~
  typename 

Fixes PR3990.

llvm-svn: 84053
 		2009-10-13 23:27:22 +00:00
..
INPUTS Add an input file that includes all standard C++ headers 2009-09-29 03:26:11 +00:00
clang.xcodeproj Move the vtable builder to CGVtable.cpp, general cleanup. 2009-10-11 22:13:54 +00:00
docs Implement __builtin_unreachable(), a GCC 4.5 extension. 2009-09-21 03:09:59 +00:00
include Improve diagnostics when the parser encounters a declarator with an 2009-10-13 23:27:22 +00:00
lib Improve diagnostics when the parser encounters a declarator with an 2009-10-13 23:27:22 +00:00
test Improve diagnostics when the parser encounters a declarator with an 2009-10-13 23:27:22 +00:00
tools Set up include paths for VC++ and Cygwin headers, along with the 2009-10-08 23:29:47 +00:00
utils Experimental, ultra-hacking Emacs minor mode for Clang-based code completion. 2009-10-09 22:17:40 +00:00
win32 Update VS project. 2009-03-31 18:57:19 +00:00
www Give ourselves an A- on ASTs for explicit specializations, since they 2009-10-13 19:41:44 +00:00
CMakeLists.txt CMake mingw build fixes. 2009-10-11 12:22:00 +00:00
INSTALL.txt Add minimal INSTALL.txt 2009-09-13 02:21:31 +00:00
LICENSE.TXT update copyright. 2009-09-30 15:59:45 +00:00
Makefile Don't install Makefiles nor tablegen input in include/. 2009-10-12 16:42:18 +00:00
ModuleInfo.txt
…
NOTES.txt Update the PTH performance "script". 2009-09-24 22:03:45 +00:00
README.txt rewrite readme. 2009-09-13 17:23:57 +00:00
TODO.txt Add some more code modification hints 2009-04-01 23:51:29 +00:00
VER Collapse more clang version numbers down into fewer places. 2009-09-16 01:26:05 +00:00

README.txt 

//===----------------------------------------------------------------------===//
// C Language Family Front-end
//===----------------------------------------------------------------------===//

Welcome to Clang.  This is a compiler front-end for the C family of languages
(C, C++, Objective-C, and Objective-C++) which is built as part of the LLVM
compiler intrastructure project.

Unlike many other compiler frontends, Clang is useful for a number of things
beyond just compiling code: we intend for Clang to be host to a number of
different source level tools.  One example of this is the Clang Static Analyzer.

If you're interested in more (including how to build Clang) it is best to read
the relevant web sites.  Here are some pointers:

Information on Clang:              http://clang.llvm.org/
Building and using Clang:          http://clang.llvm.org/get_started.html
Clang Static Analyzer:             http://clang-analyzer.llvm.org/
Information on the LLVM project:   http://llvm.org/

If you have questions or comments about Clang, a great place to discuss them is
on the Clang development mailing list:
  http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev

If you find a bug in Clang, please file it in the LLVM bug tracker:
  http://llvm.org/bugs/