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Author SHA1 Message Date
Serge Pavlov 458ea76041 Improve error recovery around colon. 
Recognize additional cases, when '::' is mistyped as ':'.
This is a fix to RP18587 - colons have too much protection in member-declarations
Review is tracked by http://reviews.llvm.org/D3653.

This is an attempt to recommit the fix, initially committed as r212957 but then
reverted in r212965 as it broke self-build. In the updated patch ParseDirectDeclarator
turns on colon protection in for context as well.

llvm-svn: 213120
 2014-07-16 05:16:52 +00:00
Richard Smith 955bf016ee [c++1z] Implement N3994: a range-based for loop can declare a variable with super-terse notation 
for (x : range) { ... }

which is equivalent to

  for (auto &&x : range) { ... }

llvm-svn: 211267
 2014-06-19 11:42:00 +00:00
Richard Trieu 0825469126 Improve the error message for attempting to build a for range loop using a 
function parameter that has array type.  Such a parameter will be treated as
a pointer type instead, resulting in a missing begin function error is a
suggestion to dereference the pointer.  This provides a different,
more informative diagnostic as well as point to the parameter declaration.

llvm-svn: 192512
 2013-10-11 22:16:04 +00:00
Richard Smith 3249fed9b2 If we find an error in the range expression in a range-based for loop, and the 
loop variable has a type containing 'auto', set the declaration to be invalid
(because we couldn't deduce its type) to prevent follow-on errors.

llvm-svn: 188853
 2013-08-21 01:40:36 +00:00
Larisse Voufo 39a1e507ff Started implementing variable templates. Top level declarations should be fully supported, up to some limitations documented as FIXMEs or TODO. Static data member templates work very partially. Static data member templates of class templates need particular attention... 
llvm-svn: 187762
 2013-08-06 01:03:05 +00:00
Fariborz Jahanian eed5e32d41 Fix test better way. 
llvm-svn: 164234
 2012-09-19 16:20:17 +00:00
Fariborz Jahanian b1885425c4 c: warn when an integer value comparison with an 
integral expression have the obvious result.
Patch reviewed by John McCall off line.
// rdar://12202422

llvm-svn: 164143
 2012-09-18 17:37:21 +00:00
Richard Smith 9a2b7e820c Don't assume that a valid expression for the first part of a for-statement 
is non-null when diagnosing a broken attempt to write a for-range-statement.

llvm-svn: 151081
 2012-02-21 20:01:35 +00:00
Eli Friedman 87d3280985 A couple minor fixes to template instantiation for for-range loops. 
llvm-svn: 149440
 2012-01-31 22:45:40 +00:00
John McCall cf6e0c839d Be sure to emit delayed diagnostics after parsing the declaration 
of a for-range variable.  Fixes PR11793.

llvm-svn: 149109
 2012-01-27 01:29:43 +00:00
Richard Smith 9ca5c42582 Update all tests other than Driver/std.cpp to use -std=c++11 rather than 
-std=c++0x. Patch by Ahmed Charles!

llvm-svn: 141900
 2011-10-13 22:29:44 +00:00
Richard Smith 02e85f3bc5 Add support for C++0x's range-based for loops, as specified by the C++11 draft standard (N3291). 
llvm-svn: 129541
 2011-04-14 22:09:26 +00:00