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2013-02-20PR15311: Finish implementation of the suggested resolution of core issue 1488,Richard Smith
which allows grouping parens in an abstract-pack-declarator. This was already mostly implemented, but missed some cases. Add an ExtWarn for use of this extension until CWG ratifies it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175660 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Provide a fixit for constexpr non-static data members.David Blaikie
If the member has an initializer, assume it was probably intended to be static and suggest/recover with that. If the member doesn't have an initializer, assume it was probably intended to be const instead of constexpr and suggest that. (if the attempt to apply these changes fails, don't make any suggestion & produce the same diagnostic experience as before. The only case where this can come up that I know of is with a mutable constexpr with an initializer, since mutable is incompatible with static (but it's already incompatible with const anyway)) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-20DR1473: Do not require a space between operator"" and the ud-suffix in aRichard Smith
literal-operator-id. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166373 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-25Extend the "expected ';' after struct" logic to also apply to enums, and toRichard Smith
struct and enum forward-declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159164 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-06Implement support for null non-type template arguments for non-typeDouglas Gregor
template parameters of pointer, pointer-to-member, or nullptr_t type in C++11. Fixes PR9700 / <rdar://problem/11193097>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-06Fix diagnostic text for r154163.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154164 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-06Restrict fixit for missing 'class' in template template parameters.David Blaikie
Based on Doug's feedback to r153887 this omits the FixIt if the following token isn't syntactically valid for the context. (not a comma, '...', identifier, '>', or '>>') There's a bunch of work to handle the '>>' case, but it makes for a much more pleasant diagnostic in this case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154163 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29Reject 'template<typename...Ts> void f(Ts ...(x));'. Add a special-caseRichard Smith
diagnostic and a fix-it to explain to the user where the ellipsis is supposed to go. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153622 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Fix a couple of issues with literal-operator-id parsing, and provide recoveryRichard Smith
for a few kinds of error. Specifically: Since we're after translation phase 6, the "" token might be formed by multiple source-level string literals. Checking the token width is not a correct way of detecting empty string literals, due to escaped newlines. Diagnose and recover from a missing space between "" and suffix, and from string literals other than "", which are followed by a suffix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Implement C++11 [lex.ext]p10 for string and character literals: a ud-suffix notRichard Smith
starting with an underscore is ill-formed. Since this rule rejects programs that were using <inttypes.h>'s macros, recover from this error by treating the ud-suffix as a separate preprocessing-token, with a DefaultError ExtWarn. The approach of treating such cases as two tokens is under discussion for standardization, but is in any case a conforming extension and allows existing codebases to keep building while the committee makes up its mind. Reword the warning on the definition of literal operators not starting with underscores (which are, strangely, legal) to more explicitly state that such operators can't be called by literals. Remove the special-case diagnostic for hexfloats, since it was both triggering in the wrong cases and incorrect. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-17Tests for the fixits which Doug added in r150727.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150777 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-10Allow implicit capture of 'this' in a lambda even when the captureDouglas Gregor
default is '=', and reword the warning about explicitly capturing 'this' in such lambdas to indicate that only explicit capture is banned. Introduce Fix-Its for this and other "save the programmer from themself" rules regarding what can be explicitly captured and what must be implicitly captured. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Update C++11 scoped enumeration support to match the final proposal:Richard Smith
- reject definitions of enums within friend declarations - require 'enum', not 'enum class', for non-declaring references to scoped enumerations git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147824 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09Extend the diagnostic for a ',' at the end of a declaration where a ';' wasRichard Smith
intended to cover C++ class definitions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147808 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-25Fix constexpr handling to allow 'extern constexpr' variable declarations. We noRichard Smith
longer have access to the source locations we need to produce the 'replace constexpr with const' fixits, so they're gone for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147273 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Revert most of r145372 for now. Lookahead beyond the ';' in a functionRichard Smith
declaration tickles a bug in the way we handle visibility pragmas. The improvement to error recovery for template function definitions declared with the 'typedef' specifier in r145372 is unrelated and not reverted here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145541 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29PR10101: Recover better from a common copy-paste error: if a functionRichard Smith
declaration at namespace scope is followed by a semicolon and an open-brace (or in C++, a 'try', ':' or '='), then the error is probably a function definition with a spurious ';', rather than a mysterious '{'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145372 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19Improve the diagnostic when a comma ends up at the end of a declarator groupRichard Smith
instead of a semicolon (as sometimes happens during refactorings). When such a comma is seen at the end of a line, and is followed by something which can't possibly be a declarator (or even something which might be a plausible typo for a declarator), suggest that a semicolon was intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142544 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Update all tests other than Driver/std.cpp to use -std=c++11 rather thanRichard Smith
-std=c++0x. Patch by Ahmed Charles! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141900 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Remove FIXME obsoleted by change r141279 for PR11067.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141351 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Mark the ExtWarn for in-class initialization of static const float members ↵Richard Smith
as a GNU extension. Don't extend the scope of this extension to all literal types in C++0x mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140820 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29constexpr: semantic checking for constexpr variables.Richard Smith
We had an extension which allowed const static class members of floating-point type to have in-class initializers, 'as a C++0x extension'. However, C++0x does not allow this. The extension has been kept, and extended to all literal types in C++0x mode (with a fixit to add the 'constexpr' specifier). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06PR10867: Work around a bug in lit. Multiple RUN: lines are joined with &&, so:Richard Smith
RUN: foo RUN: bar || true is equivalent to: RUN: foo && bar || true which is equivalent to: RUN: (foo && bar) || true This resulted in several of the fixit tests not really testing anything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139132 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Fixed test case asserts due to checkin of r130710.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130720 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Support for C++11 (non-template) alias declarations.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Teach clang -fixit to modify files in-place, or -fixit=suffix to create newNick Lewycky
files with the additional suffix in the middle. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102230 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar
- This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91446 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23Implement conversion from a switch condition with class type to anDouglas Gregor
integral or enumeration type (vi user-defined conversions). Fixes PR5518. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89655 91177308-0d34-0410-b5e6-96231b3b80d8
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