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Accept the C++0x override control keywords as an extension in C++98. This is OK since the new syntax is unambiguous and can't be confused with C++98 syntax. If anyone disagrees, please shout! 

llvm-svn: 124048
This commit is contained in:
Anders Carlsson 2011-01-22 23:01:49 +00:00
parent 7d59a68330
commit 5a72fdb05b
3 changed files with 17 additions and 7 deletions
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3
clang/include/clang/Basic/DiagnosticParseKinds.td
View File

@ -390,6 +390,9 @@ def warn_deleted_function_accepted_as_extension: ExtWarn<
"deleted function definition accepted as a C++0x extension">, InGroup<CXX0x>;
// C++0x override control
def ext_override_control_keyword : Extension<
"'%0' keyword accepted as a C++0x extension">, InGroup<CXX0x>;
def err_duplicate_virt_specifier : Error<
"class member already marked '%0'">;
def err_duplicate_class_virt_specifier : Error<

9
clang/include/clang/Sema/DeclSpec.h
View File

@ -1492,13 +1492,12 @@ public:
bool isNewSpecified() const { return Specifiers & VS_New; }
SourceLocation getNewLoc() const { return VS_newLoc; }
static const char *getSpecifierName(Specifier VS);
private:
unsigned Specifiers;
SourceLocation VS_overrideLoc, VS_finalLoc, VS_newLoc;
static const char *getSpecifierName(Specifier VS);
};
/// ClassVirtSpecifiers - Represents a C++0x class-virt-specifier-seq.
@ -1521,12 +1520,12 @@ public:
bool isExplicitSpecified() const { return Specifiers & CVS_Explicit; }
SourceLocation getExplicitLoc() const { return CVS_explicitLoc; }
static const char *getSpecifierName(Specifier CVS);
private:
unsigned Specifiers;
SourceLocation CVS_finalLoc, CVS_explicitLoc;
static const char *getSpecifierName(Specifier CVS);
};
} // end namespace clang

12
clang/lib/Parse/ParseDeclCXX.cpp
View File

@ -1272,7 +1272,7 @@ void Parser::HandleMemberFunctionDefaultArgs(Declarator& DeclaratorInfo,
/// final
/// new
VirtSpecifiers::Specifier Parser::isCXX0XVirtSpecifier() const {
if (!getLang().CPlusPlus0x)
if (!getLang().CPlusPlus)
return VirtSpecifiers::VS_None;
if (Tok.is(tok::kw_new))
@ -1316,6 +1316,9 @@ void Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) {
<< PrevSpec
<< FixItHint::CreateRemoval(Tok.getLocation());
if (!getLang().CPlusPlus0x)
Diag(Tok.getLocation(), diag::ext_override_control_keyword)
<< VirtSpecifiers::getSpecifierName(Specifier);
ConsumeToken();
}
}
@ -1327,7 +1330,7 @@ void Parser::ParseOptionalCXX0XVirtSpecifierSeq(VirtSpecifiers &VS) {
/// final
/// explicit
ClassVirtSpecifiers::Specifier Parser::isCXX0XClassVirtSpecifier() const {
if (!getLang().CPlusPlus0x)
if (!getLang().CPlusPlus)
return ClassVirtSpecifiers::CVS_None;
if (Tok.is(tok::kw_explicit))
@ -1368,6 +1371,11 @@ void Parser::ParseOptionalCXX0XClassVirtSpecifierSeq(ClassVirtSpecifiers &CVS) {
Diag(Tok.getLocation(), diag::err_duplicate_class_virt_specifier)
<< PrevSpec
<< FixItHint::CreateRemoval(Tok.getLocation());
if (!getLang().CPlusPlus0x)
Diag(Tok.getLocation(), diag::ext_override_control_keyword)
<< ClassVirtSpecifiers::getSpecifierName(Specifier);
ConsumeToken();
}
}