[cfe-commits] r143411 - in /cfe/trunk: docs/LanguageExtensions.html lib/Lex/PPMacroExpansion.cpp test/Lexer/has_feature_cxx0x.cpp

[Douglas Gregor]

Author: dgregor
Date: Mon Oct 31 20:19:34 2011
New Revision: 143411

URL: http://llvm.org/viewvc/llvm-project?rev=143411&view=rev
Log:
Add __has_feature(cxx_defaulted_functions) for querying "defaulted
functions", from Michel Morin!

Modified:
    cfe/trunk/docs/LanguageExtensions.html
    cfe/trunk/lib/Lex/PPMacroExpansion.cpp
    cfe/trunk/test/Lexer/has_feature_cxx0x.cpp

Modified: cfe/trunk/docs/LanguageExtensions.html
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LanguageExtensions.html?rev=143411&r1=143410&r2=143411&view=diff
==============================================================================
--- cfe/trunk/docs/LanguageExtensions.html (original)
+++ cfe/trunk/docs/LanguageExtensions.html Mon Oct 31 20:19:34 2011
@@ -46,6 +46,7 @@
     <li><a href="#cxx_constexpr">C++11 generalized constant expressions</a></li>
     <li><a href="#cxx_decltype">C++11 <tt>decltype()</tt></a></li>
     <li><a href="#cxx_default_function_template_args">C++11 default template arguments in function templates</a></li>
+    <li><a href="#cxx_defaulted_functions">C++11 defaulted functions</a></li>
     <li><a href="#cxx_delegating_constructor">C++11 delegating constructors</a></li>
     <li><a href="#cxx_deleted_functions">C++11 deleted functions</a></li>
     <li><a href="#cxx_explicit_conversions">C++11 explicit conversion functions</a></li>
@@ -509,6 +510,12 @@
 <tt>__has_extension(cxx_default_function_template_args)</tt> to determine
 if support for default template arguments in function templates is enabled.</p>
 
+<h4 id="cxx_defaulted_functions">C++11 <tt>default</tt>ed functions</h4>
+
+<p>Use <tt>__has_feature(cxx_defaulted_functions)</tt> or
+<tt>__has_extension(cxx_defaulted_functions)</tt> to determine if support for
+defaulted function definitions (with <tt>= default</tt>) is enabled.</p>
+
 <h4 id="cxx_delegating_constructors">C++11 delegating constructors</h4>
 
 <p>Use <tt>__has_feature(cxx_delegating_constructors)</tt> to determine if

Modified: cfe/trunk/lib/Lex/PPMacroExpansion.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/PPMacroExpansion.cpp?rev=143411&r1=143410&r2=143411&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/PPMacroExpansion.cpp (original)
+++ cfe/trunk/lib/Lex/PPMacroExpansion.cpp Mon Oct 31 20:19:34 2011
@@ -628,6 +628,7 @@
          //.Case("cxx_constexpr", false);
            .Case("cxx_decltype", LangOpts.CPlusPlus0x)
            .Case("cxx_default_function_template_args", LangOpts.CPlusPlus0x)
+           .Case("cxx_defaulted_functions", LangOpts.CPlusPlus0x)
            .Case("cxx_delegating_constructors", LangOpts.CPlusPlus0x)
            .Case("cxx_deleted_functions", LangOpts.CPlusPlus0x)
            .Case("cxx_explicit_conversions", LangOpts.CPlusPlus0x)

Modified: cfe/trunk/test/Lexer/has_feature_cxx0x.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/has_feature_cxx0x.cpp?rev=143411&r1=143410&r2=143411&view=diff
==============================================================================
--- cfe/trunk/test/Lexer/has_feature_cxx0x.cpp (original)
+++ cfe/trunk/test/Lexer/has_feature_cxx0x.cpp Mon Oct 31 20:19:34 2011
@@ -79,6 +79,14 @@
 // CHECK-0X: has_deleted_functions
 // CHECK-NO-0X: no_deleted_functions
 
+#if __has_feature(cxx_defaulted_functions)
+int has_defaulted_functions();
+#else
+int no_defaulted_functions();
+#endif
+
+// CHECK-0X: has_defaulted_functions
+// CHECK-NO-0X: no_defaulted_functions
 
 #if __has_feature(cxx_rvalue_references)
 int has_rvalue_references();