diff options
Diffstat (limited to 'contrib/llvm/tools/clang/include/clang/Sema/Weak.h')
-rw-r--r-- | contrib/llvm/tools/clang/include/clang/Sema/Weak.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/include/clang/Sema/Weak.h b/contrib/llvm/tools/clang/include/clang/Sema/Weak.h new file mode 100644 index 000000000000..d36b97089364 --- /dev/null +++ b/contrib/llvm/tools/clang/include/clang/Sema/Weak.h @@ -0,0 +1,46 @@ +//===-- UnresolvedSet.h - Unresolved sets of declarations ------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines the WeakInfo class, which is used to store +// information about the target of a #pragma weak directive. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_SEMA_WEAK_H +#define LLVM_CLANG_SEMA_WEAK_H + +#include "clang/Basic/SourceLocation.h" + +namespace clang { + +class IdentifierInfo; + +/// \brief Captures information about a #pragma weak directive. +class WeakInfo { + IdentifierInfo *alias; // alias (optional) + SourceLocation loc; // for diagnostics + bool used; // identifier later declared? +public: + WeakInfo() + : alias(0), loc(SourceLocation()), used(false) {} + WeakInfo(IdentifierInfo *Alias, SourceLocation Loc) + : alias(Alias), loc(Loc), used(false) {} + inline IdentifierInfo * getAlias() const { return alias; } + inline SourceLocation getLocation() const { return loc; } + void setUsed(bool Used=true) { used = Used; } + inline bool getUsed() { return used; } + bool operator==(WeakInfo RHS) const { + return alias == RHS.getAlias() && loc == RHS.getLocation(); + } + bool operator!=(WeakInfo RHS) const { return !(*this == RHS); } +}; + +} // end namespace clang + +#endif // LLVM_CLANG_SEMA_WEAK_H |