From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Wed, 17 Oct 2012 23:07:52 +0000 (+0000)
Subject: Add -std=c++1y argument, for *highly* experimental C++14 support.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5ba49c0177bd594a9760956f51293b5731b03d6d;p=clang

Add -std=c++1y argument, for *highly* experimental C++14 support.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166139 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Basic/LangOptions.def b/include/clang/Basic/LangOptions.def
index 0ef4ad2c19..3463e2532a 100644
--- a/include/clang/Basic/LangOptions.def
+++ b/include/clang/Basic/LangOptions.def
@@ -48,6 +48,7 @@ LANGOPT(MicrosoftMode     , 1, 0, "Microsoft compatibility mode")
 LANGOPT(Borland           , 1, 0, "Borland extensions")
 LANGOPT(CPlusPlus         , 1, 0, "C++")
 LANGOPT(CPlusPlus0x       , 1, 0, "C++0x")
+LANGOPT(CPlusPlus1y       , 1, 0, "C++1y")
 LANGOPT(ObjC1             , 1, 0, "Objective-C 1")
 LANGOPT(ObjC2             , 1, 0, "Objective-C 2")
 BENIGN_LANGOPT(ObjCDefaultSynthProperties , 1, 0, 
diff --git a/include/clang/Frontend/LangStandard.h b/include/clang/Frontend/LangStandard.h
index e6f44032ac..a9789158cd 100644
--- a/include/clang/Frontend/LangStandard.h
+++ b/include/clang/Frontend/LangStandard.h
@@ -24,10 +24,11 @@ enum LangFeatures {
   C11 = (1 << 3),
   CPlusPlus = (1 << 4),
   CPlusPlus0x = (1 << 5),
-  Digraphs = (1 << 6),
-  GNUMode = (1 << 7),
-  HexFloat = (1 << 8),
-  ImplicitInt = (1 << 9)
+  CPlusPlus1y = (1 << 6),
+  Digraphs = (1 << 7),
+  GNUMode = (1 << 8),
+  HexFloat = (1 << 9),
+  ImplicitInt = (1 << 10)
 };
 
 }
@@ -71,6 +72,9 @@ public:
   /// isCPlusPlus0x - Language is a C++0x variant.
   bool isCPlusPlus0x() const { return Flags & frontend::CPlusPlus0x; }
 
+  /// isCPlusPlus1y - Language is a C++1y variant.
+  bool isCPlusPlus1y() const { return Flags & frontend::CPlusPlus1y; }
+
   /// hasDigraphs - Language supports digraphs.
   bool hasDigraphs() const { return Flags & frontend::Digraphs; }
 
diff --git a/include/clang/Frontend/LangStandards.def b/include/clang/Frontend/LangStandards.def
index a604d4bff6..a6b846cc87 100644
--- a/include/clang/Frontend/LangStandards.def
+++ b/include/clang/Frontend/LangStandards.def
@@ -107,6 +107,14 @@ LANGSTANDARD(gnucxx11, "gnu++11",
              "ISO C++ 2011 with amendments and GNU extensions",
              BCPLComment | CPlusPlus | CPlusPlus0x | Digraphs | GNUMode)
 
+LANGSTANDARD(cxx1y, "c++1y",
+             "Working draft for ISO C++ 2014",
+             BCPLComment | CPlusPlus | CPlusPlus0x | CPlusPlus1y | Digraphs)
+LANGSTANDARD(gnucxx1y, "gnu++1y",
+             "Working draft for ISO C++ 2014 with GNU extensions",
+             BCPLComment | CPlusPlus | CPlusPlus0x | CPlusPlus1y | Digraphs |
+             GNUMode)
+
 // OpenCL
 LANGSTANDARD(opencl, "cl",
              "OpenCL 1.0",
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 5fc3f1bd18..20fd07819e 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -1839,6 +1839,7 @@ void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
   Opts.C11 = Std.isC11();
   Opts.CPlusPlus = Std.isCPlusPlus();
   Opts.CPlusPlus0x = Std.isCPlusPlus0x();
+  Opts.CPlusPlus1y = Std.isCPlusPlus1y();
   Opts.Digraphs = Std.hasDigraphs();
   Opts.GNUMode = Std.isGNUMode();
   Opts.GNUInline = !Std.isC99();
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 585599af97..e8e57cbf58 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -288,6 +288,8 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI,
     else if (!LangOpts.GNUMode && LangOpts.Digraphs)
       Builder.defineMacro("__STDC_VERSION__", "199409L");
   } else {
+    // FIXME: LangOpts.CPlusPlus1y
+
     // C++11 [cpp.predefined]p1:
     //   The name __cplusplus is defined to the value 201103L when compiling a
     //   C++ translation unit.
diff --git a/test/Driver/std.cpp b/test/Driver/std.cpp
index 7704c8dda1..822658c837 100644
--- a/test/Driver/std.cpp
+++ b/test/Driver/std.cpp
@@ -5,6 +5,8 @@
 // RUN: %clang -std=gnu++0x %s -fsyntax-only 2>&1 | FileCheck -check-prefix=GNUXX11 %s
 // RUN: %clang -std=c++11 %s -fsyntax-only 2>&1 | FileCheck -check-prefix=CXX11 %s
 // RUN: %clang -std=gnu++11 %s -fsyntax-only 2>&1 | FileCheck -check-prefix=GNUXX11 %s
+// RUN: %clang -std=c++1y %s -fsyntax-only 2>&1 | FileCheck -check-prefix=CXX1Y %s
+// RUN: %clang -std=gnu++1y %s -fsyntax-only 2>&1 | FileCheck -check-prefix=GNUXX1Y %s
 
 void f(int n) {
   typeof(n)();
@@ -22,3 +24,9 @@ void f(int n) {
 
 // GNUXX11-NOT: undeclared identifier 'typeof'
 // GNUXX11-NOT: undeclared identifier 'decltype'
+
+// CXX1Y: undeclared identifier 'typeof'
+// CXX1Y-NOT: undeclared identifier 'decltype'
+
+// GNUXX1Y-NOT: undeclared identifier 'typeof'
+// GNUXX1Y-NOT: undeclared identifier 'decltype'