Make it possible to use the generalised 'case' construct in the cmd_line property.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51728 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc2/StringSet.h b/tools/llvmc2/StringSet.h
new file mode 100644
index 0000000..d9556cc
--- /dev/null
+++ b/tools/llvmc2/StringSet.h
@@ -0,0 +1,40 @@
+//===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// StringSet - A set-like wrapper for the StringMap.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVMC2_STRINGSET_H
+#define LLVM_TOOLS_LLVMC2_STRINGSET_H
+
+#include "llvm/ADT/StringMap.h"
+
+#include <cassert>
+
+namespace llvmc {
+
+ /// StringSet - A wrapper for StringMap that provides set-like
+ /// functionality. Only insert() and count() methods are used by my
+ /// code.
+ template <class AllocatorTy = llvm::MallocAllocator>
+ class StringSet : public llvm::StringMap<char, AllocatorTy> {
+ typedef llvm::StringMap<char, AllocatorTy> base;
+ public:
+ void insert (const std::string& InLang) {
+ assert(!InLang.empty());
+ const char* KeyStart = &InLang[0];
+ const char* KeyEnd = KeyStart + InLang.size();
+ base::insert(llvm::StringMapEntry<char>::
+ Create(KeyStart, KeyEnd, base::getAllocator(), '+'));
+ }
+ };
+}
+
+#endif //LLVM_TOOLS_LLVMC2_STRINGSET_H