LCOV - code coverage report
Current view: top level - include/llvm/ADT - ScopeExit.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 3 3 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- llvm/ADT/ScopeExit.h - Execute code at scope exit --------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // This file defines the make_scope_exit function, which executes user-defined
      11             : // cleanup logic at scope exit.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_ADT_SCOPE_EXIT_H
      16             : #define LLVM_ADT_SCOPE_EXIT_H
      17             : 
      18             : #include "llvm/Support/Compiler.h"
      19             : 
      20             : #include <type_traits>
      21             : #include <utility>
      22             : 
      23             : namespace llvm {
      24             : namespace detail {
      25             : 
      26             : template <typename Callable> class scope_exit {
      27             :   Callable ExitFunction;
      28             : 
      29             : public:
      30             :   template <typename Fp>
      31      137768 :   explicit scope_exit(Fp &&F) : ExitFunction(std::forward<Fp>(F)) {}
      32             : 
      33             :   scope_exit(scope_exit &&Rhs) : ExitFunction(std::move(Rhs.ExitFunction)) {}
      34             : 
      35      275516 :   ~scope_exit() { ExitFunction(); }
      36             : };
      37             : 
      38             : } // end namespace detail
      39             : 
      40             : // Keeps the callable object that is passed in, and execute it at the
      41             : // destruction of the returned object (usually at the scope exit where the
      42             : // returned object is kept).
      43             : //
      44             : // Interface is specified by p0052r2.
      45             : template <typename Callable>
      46             : LLVM_NODISCARD detail::scope_exit<typename std::decay<Callable>::type>
      47             : make_scope_exit(Callable &&F) {
      48             :   return detail::scope_exit<typename std::decay<Callable>::type>(
      49      275534 :       std::forward<Callable>(F));
      50             : }
      51             : 
      52             : } // end namespace llvm
      53             : 
      54             : #endif

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