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Diffstat (limited to 'include/clang/Analysis/Support/SaveAndRestore.h')
-rw-r--r-- | include/clang/Analysis/Support/SaveAndRestore.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/include/clang/Analysis/Support/SaveAndRestore.h b/include/clang/Analysis/Support/SaveAndRestore.h deleted file mode 100644 index f720639490d9d..0000000000000 --- a/include/clang/Analysis/Support/SaveAndRestore.h +++ /dev/null @@ -1,47 +0,0 @@ -//===-- SaveAndRestore.h - Utility -------------------------------*- C++ -*-=// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file provides utility classes that uses RAII to save and restore -// values. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_CLANG_ANALYSIS_SAVERESTORE -#define LLVM_CLANG_ANALYSIS_SAVERESTORE - -namespace clang { - -// SaveAndRestore - A utility class that uses RAII to save and restore -// the value of a variable. -template<typename T> -struct SaveAndRestore { - SaveAndRestore(T& x) : X(x), old_value(x) {} - SaveAndRestore(T& x, const T &new_value) : X(x), old_value(x) { - X = new_value; - } - ~SaveAndRestore() { X = old_value; } - T get() { return old_value; } -private: - T& X; - T old_value; -}; - -// SaveOr - Similar to SaveAndRestore. Operates only on bools; the old -// value of a variable is saved, and during the dstor the old value is -// or'ed with the new value. -struct SaveOr { - SaveOr(bool& x) : X(x), old_value(x) { x = false; } - ~SaveOr() { X |= old_value; } -private: - bool& X; - const bool old_value; -}; - -} -#endif |