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author | wolfbeast <mcwerewolf@gmail.com> | 2018-05-03 05:55:15 +0200 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-05-03 05:55:15 +0200 |
commit | 43f7a588f96aaf88e7b69441c3b50bc9c7b20df7 (patch) | |
tree | 07d9b26b2f357ee9de04fea0e5e4b8b9a1ff93a4 /security/sandbox/chromium/base/tuple.h | |
parent | 4613b91ecac2745252c40be64e73de5ff920b02b (diff) | |
download | UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar.gz UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar.lz UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.tar.xz UXP-43f7a588f96aaf88e7b69441c3b50bc9c7b20df7.zip |
Nuke the sandbox
Diffstat (limited to 'security/sandbox/chromium/base/tuple.h')
-rw-r--r-- | security/sandbox/chromium/base/tuple.h | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/security/sandbox/chromium/base/tuple.h b/security/sandbox/chromium/base/tuple.h deleted file mode 100644 index e5872cc4f..000000000 --- a/security/sandbox/chromium/base/tuple.h +++ /dev/null @@ -1,306 +0,0 @@ -// Copyright (c) 2011 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// A Tuple is a generic templatized container, similar in concept to std::pair -// and std::tuple. The convenient MakeTuple() function takes any number of -// arguments and will construct and return the appropriate Tuple object. The -// functions DispatchToMethod and DispatchToFunction take a function pointer or -// instance and method pointer, and unpack a tuple into arguments to the call. -// -// Tuple elements are copied by value, and stored in the tuple. See the unit -// tests for more details of how/when the values are copied. -// -// Example usage: -// // These two methods of creating a Tuple are identical. -// Tuple<int, const char*> tuple_a(1, "wee"); -// Tuple<int, const char*> tuple_b = MakeTuple(1, "wee"); -// -// void SomeFunc(int a, const char* b) { } -// DispatchToFunction(&SomeFunc, tuple_a); // SomeFunc(1, "wee") -// DispatchToFunction( -// &SomeFunc, MakeTuple(10, "foo")); // SomeFunc(10, "foo") -// -// struct { void SomeMeth(int a, int b, int c) { } } foo; -// DispatchToMethod(&foo, &Foo::SomeMeth, MakeTuple(1, 2, 3)); -// // foo->SomeMeth(1, 2, 3); - -#ifndef BASE_TUPLE_H_ -#define BASE_TUPLE_H_ - -#include <stddef.h> - -#include "base/bind_helpers.h" -#include "build/build_config.h" - -namespace base { - -// Index sequences -// -// Minimal clone of the similarly-named C++14 functionality. - -template <size_t...> -struct IndexSequence {}; - -template <size_t... Ns> -struct MakeIndexSequenceImpl; - -#if defined(_PREFAST_) && defined(OS_WIN) - -// Work around VC++ 2013 /analyze internal compiler error: -// https://connect.microsoft.com/VisualStudio/feedback/details/1053626 - -template <> struct MakeIndexSequenceImpl<0> { - using Type = IndexSequence<>; -}; -template <> struct MakeIndexSequenceImpl<1> { - using Type = IndexSequence<0>; -}; -template <> struct MakeIndexSequenceImpl<2> { - using Type = IndexSequence<0,1>; -}; -template <> struct MakeIndexSequenceImpl<3> { - using Type = IndexSequence<0,1,2>; -}; -template <> struct MakeIndexSequenceImpl<4> { - using Type = IndexSequence<0,1,2,3>; -}; -template <> struct MakeIndexSequenceImpl<5> { - using Type = IndexSequence<0,1,2,3,4>; -}; -template <> struct MakeIndexSequenceImpl<6> { - using Type = IndexSequence<0,1,2,3,4,5>; -}; -template <> struct MakeIndexSequenceImpl<7> { - using Type = IndexSequence<0,1,2,3,4,5,6>; -}; -template <> struct MakeIndexSequenceImpl<8> { - using Type = IndexSequence<0,1,2,3,4,5,6,7>; -}; -template <> struct MakeIndexSequenceImpl<9> { - using Type = IndexSequence<0,1,2,3,4,5,6,7,8>; -}; -template <> struct MakeIndexSequenceImpl<10> { - using Type = IndexSequence<0,1,2,3,4,5,6,7,8,9>; -}; -template <> struct MakeIndexSequenceImpl<11> { - using Type = IndexSequence<0,1,2,3,4,5,6,7,8,9,10>; -}; -template <> struct MakeIndexSequenceImpl<12> { - using Type = IndexSequence<0,1,2,3,4,5,6,7,8,9,10,11>; -}; -template <> struct MakeIndexSequenceImpl<13> { - using Type = IndexSequence<0,1,2,3,4,5,6,7,8,9,10,11,12>; -}; - -#else // defined(WIN) && defined(_PREFAST_) - -template <size_t... Ns> -struct MakeIndexSequenceImpl<0, Ns...> { - using Type = IndexSequence<Ns...>; -}; - -template <size_t N, size_t... Ns> -struct MakeIndexSequenceImpl<N, Ns...> - : MakeIndexSequenceImpl<N - 1, N - 1, Ns...> {}; - -#endif // defined(WIN) && defined(_PREFAST_) - -template <size_t N> -using MakeIndexSequence = typename MakeIndexSequenceImpl<N>::Type; - -// Traits ---------------------------------------------------------------------- -// -// A simple traits class for tuple arguments. -// -// ValueType: the bare, nonref version of a type (same as the type for nonrefs). -// RefType: the ref version of a type (same as the type for refs). -// ParamType: what type to pass to functions (refs should not be constified). - -template <class P> -struct TupleTraits { - typedef P ValueType; - typedef P& RefType; - typedef const P& ParamType; -}; - -template <class P> -struct TupleTraits<P&> { - typedef P ValueType; - typedef P& RefType; - typedef P& ParamType; -}; - -// Tuple ----------------------------------------------------------------------- -// -// This set of classes is useful for bundling 0 or more heterogeneous data types -// into a single variable. The advantage of this is that it greatly simplifies -// function objects that need to take an arbitrary number of parameters; see -// RunnableMethod and IPC::MessageWithTuple. -// -// Tuple<> is supplied to act as a 'void' type. It can be used, for example, -// when dispatching to a function that accepts no arguments (see the -// Dispatchers below). -// Tuple<A> is rarely useful. One such use is when A is non-const ref that you -// want filled by the dispatchee, and the tuple is merely a container for that -// output (a "tier"). See MakeRefTuple and its usages. - -template <typename IxSeq, typename... Ts> -struct TupleBaseImpl; -template <typename... Ts> -using TupleBase = TupleBaseImpl<MakeIndexSequence<sizeof...(Ts)>, Ts...>; -template <size_t N, typename T> -struct TupleLeaf; - -template <typename... Ts> -struct Tuple final : TupleBase<Ts...> { - Tuple() : TupleBase<Ts...>() {} - explicit Tuple(typename TupleTraits<Ts>::ParamType... args) - : TupleBase<Ts...>(args...) {} -}; - -// Avoids ambiguity between Tuple's two constructors. -template <> -struct Tuple<> final {}; - -template <size_t... Ns, typename... Ts> -struct TupleBaseImpl<IndexSequence<Ns...>, Ts...> : TupleLeaf<Ns, Ts>... { - TupleBaseImpl() : TupleLeaf<Ns, Ts>()... {} - explicit TupleBaseImpl(typename TupleTraits<Ts>::ParamType... args) - : TupleLeaf<Ns, Ts>(args)... {} -}; - -template <size_t N, typename T> -struct TupleLeaf { - TupleLeaf() {} - explicit TupleLeaf(typename TupleTraits<T>::ParamType x) : x(x) {} - - T& get() { return x; } - const T& get() const { return x; } - - T x; -}; - -// Tuple getters -------------------------------------------------------------- -// -// Allows accessing an arbitrary tuple element by index. -// -// Example usage: -// base::Tuple<int, double> t2; -// base::get<0>(t2) = 42; -// base::get<1>(t2) = 3.14; - -template <size_t I, typename T> -T& get(TupleLeaf<I, T>& leaf) { - return leaf.get(); -} - -template <size_t I, typename T> -const T& get(const TupleLeaf<I, T>& leaf) { - return leaf.get(); -} - -// Tuple types ---------------------------------------------------------------- -// -// Allows for selection of ValueTuple/RefTuple/ParamTuple without needing the -// definitions of class types the tuple takes as parameters. - -template <typename T> -struct TupleTypes; - -template <typename... Ts> -struct TupleTypes<Tuple<Ts...>> { - using ValueTuple = Tuple<typename TupleTraits<Ts>::ValueType...>; - using RefTuple = Tuple<typename TupleTraits<Ts>::RefType...>; - using ParamTuple = Tuple<typename TupleTraits<Ts>::ParamType...>; -}; - -// Tuple creators ------------------------------------------------------------- -// -// Helper functions for constructing tuples while inferring the template -// argument types. - -template <typename... Ts> -inline Tuple<Ts...> MakeTuple(const Ts&... arg) { - return Tuple<Ts...>(arg...); -} - -// The following set of helpers make what Boost refers to as "Tiers" - a tuple -// of references. - -template <typename... Ts> -inline Tuple<Ts&...> MakeRefTuple(Ts&... arg) { - return Tuple<Ts&...>(arg...); -} - -// Dispatchers ---------------------------------------------------------------- -// -// Helper functions that call the given method on an object, with the unpacked -// tuple arguments. Notice that they all have the same number of arguments, -// so you need only write: -// DispatchToMethod(object, &Object::method, args); -// This is very useful for templated dispatchers, since they don't need to know -// what type |args| is. - -// Non-Static Dispatchers with no out params. - -template <typename ObjT, typename Method, typename... Ts, size_t... Ns> -inline void DispatchToMethodImpl(ObjT* obj, - Method method, - const Tuple<Ts...>& arg, - IndexSequence<Ns...>) { - (obj->*method)(base::internal::UnwrapTraits<Ts>::Unwrap(get<Ns>(arg))...); -} - -template <typename ObjT, typename Method, typename... Ts> -inline void DispatchToMethod(ObjT* obj, - Method method, - const Tuple<Ts...>& arg) { - DispatchToMethodImpl(obj, method, arg, MakeIndexSequence<sizeof...(Ts)>()); -} - -// Static Dispatchers with no out params. - -template <typename Function, typename... Ts, size_t... Ns> -inline void DispatchToFunctionImpl(Function function, - const Tuple<Ts...>& arg, - IndexSequence<Ns...>) { - (*function)(base::internal::UnwrapTraits<Ts>::Unwrap(get<Ns>(arg))...); -} - -template <typename Function, typename... Ts> -inline void DispatchToFunction(Function function, const Tuple<Ts...>& arg) { - DispatchToFunctionImpl(function, arg, MakeIndexSequence<sizeof...(Ts)>()); -} - -// Dispatchers with out parameters. - -template <typename ObjT, - typename Method, - typename... InTs, - typename... OutTs, - size_t... InNs, - size_t... OutNs> -inline void DispatchToMethodImpl(ObjT* obj, - Method method, - const Tuple<InTs...>& in, - Tuple<OutTs...>* out, - IndexSequence<InNs...>, - IndexSequence<OutNs...>) { - (obj->*method)(base::internal::UnwrapTraits<InTs>::Unwrap(get<InNs>(in))..., - &get<OutNs>(*out)...); -} - -template <typename ObjT, typename Method, typename... InTs, typename... OutTs> -inline void DispatchToMethod(ObjT* obj, - Method method, - const Tuple<InTs...>& in, - Tuple<OutTs...>* out) { - DispatchToMethodImpl(obj, method, in, out, - MakeIndexSequence<sizeof...(InTs)>(), - MakeIndexSequence<sizeof...(OutTs)>()); -} - -} // namespace base - -#endif // BASE_TUPLE_H_ |