[diagtool] Add 'show-enabled', which displays which warnings are enabled.

show-enabled uses the command line you give it to build a CompilerInstance,
so any flags you pass will be processed as if running clang proper.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157842 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/diagtool/DiagnosticNames.h b/tools/diagtool/DiagnosticNames.h
new file mode 100644
index 0000000000..ac1934aac1
--- /dev/null
+++ b/tools/diagtool/DiagnosticNames.h
@@ -0,0 +1,28 @@
+//===- DiagnosticNames.h - Defines a table of all builtin diagnostics ------==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace diagtool {
+  struct DiagnosticRecord {
+    const char *NameStr;
+    unsigned short DiagID;
+    uint8_t NameLen;
+    
+    llvm::StringRef getName() const {
+      return llvm::StringRef(NameStr, NameLen);
+    }
+  };
+
+  extern const DiagnosticRecord BuiltinDiagnostics[];
+  extern const size_t BuiltinDiagnosticsCount;
+
+} // end namespace diagtool
+