add Patternies

SilentPatch/Patterns.cpp

@@ -0,0 +1,269 @@
+/*
+ * This file is part of the CitizenFX project - http://citizen.re/
+ *
+ * See LICENSE and MENTIONS in the root of the source tree for information
+ * regarding licensing.
+ */
+
+#include "Patterns.h"
+
+#define WIN32_LEAN_AND_MEAN
+#define NOMINMAX
+#include <windows.h>
+#include <algorithm>
+#include "string_view.hpp"
+
+#if PATTERNS_USE_HINTS
+#include <map>
+#endif
+
+
+#if PATTERNS_USE_HINTS
+
+// from boost someplace
+template <std::uint64_t FnvPrime, std::uint64_t OffsetBasis>
+struct basic_fnv_1
+{
+	std::uint64_t operator()(libcxx_strviewclone::string_view text) const
+	{
+		std::uint64_t hash = OffsetBasis;
+		for (auto it : text)
+		{
+			hash *= FnvPrime;
+			hash ^= it;
+		}
+
+		return hash;
+	}
+};
+
+const std::uint64_t fnv_prime = 1099511628211u;
+const std::uint64_t fnv_offset_basis = 14695981039346656037u;
+
+typedef basic_fnv_1<fnv_prime, fnv_offset_basis> fnv_1;
+
+#endif
+
+namespace hook
+{
+	ptrdiff_t baseAddressDifference;
+
+	// sets the base to the process main base
+	void set_base()
+	{
+		set_base((uintptr_t)GetModuleHandle(nullptr));
+	}
+
+
+#if PATTERNS_USE_HINTS
+static std::multimap<uint64_t, uintptr_t> g_hints;
+#endif
+
+static void TransformPattern(libcxx_strviewclone::string_view pattern, std::string& data, std::string& mask)
+{
+	uint8_t tempDigit = 0;
+	bool tempFlag = false;
+
+	auto tol = [] (char ch) -> uint8_t
+	{
+		if (ch >= 'A' && ch <= 'F') return uint8_t(ch - 'A' + 10);
+		if (ch >= 'a' && ch <= 'f') return uint8_t(ch - 'a' + 10);
+		return uint8_t(ch - '0');
+	};
+
+	for (auto ch : pattern)
+	{
+		if (ch == ' ')
+		{
+			continue;
+		}
+		else if (ch == '?')
+		{
+			data.push_back(0);
+			mask.push_back('?');
+		}
+		else if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f'))
+		{
+			uint8_t thisDigit = tol(ch);
+
+			if (!tempFlag)
+			{
+				tempDigit = thisDigit << 4;
+				tempFlag = true;
+			}
+			else
+			{
+				tempDigit |= thisDigit;
+				tempFlag = false;
+
+				data.push_back(tempDigit);
+				mask.push_back('x');
+			}
+		}
+	}
+}
+
+class executable_meta
+{
+private:
+	uintptr_t m_begin;
+	uintptr_t m_end;
+
+public:
+	template<typename TReturn, typename TOffset>
+	TReturn* getRVA(TOffset rva)
+	{
+		return (TReturn*)(m_begin + rva);
+	}
+
+	executable_meta(void* module)
+		: m_begin((uintptr_t)module)
+	{
+		PIMAGE_DOS_HEADER dosHeader = getRVA<IMAGE_DOS_HEADER>(0);
+		PIMAGE_NT_HEADERS ntHeader = getRVA<IMAGE_NT_HEADERS>(dosHeader->e_lfanew);
+
+		m_end = m_begin + ntHeader->OptionalHeader.SizeOfCode;
+	}
+
+	inline uintptr_t begin() const { return m_begin; }
+	inline uintptr_t end() const   { return m_end; }
+};
+
+void pattern::Initialize(const char* pattern, size_t length)
+{
+	// get the hash for the base pattern
+#if PATTERNS_USE_HINTS
+	m_hash = fnv_1()(libcxx_strviewclone::string_view(pattern, length));
+#endif
+
+	// transform the base pattern from IDA format to canonical format
+	TransformPattern(libcxx_strviewclone::string_view(pattern, length), m_bytes, m_mask);
+
+	m_size = m_mask.size();
+
+#if PATTERNS_USE_HINTS
+	// if there's hints, try those first
+	if (m_module == GetModuleHandle(nullptr))
+	{
+		auto range = g_hints.equal_range(m_hash);
+
+		if (range.first != range.second)
+		{
+			std::for_each(range.first, range.second, [&] (const std::pair<uint64_t, uintptr_t>& hint)
+			{
+				ConsiderMatch(hint.second);
+			});
+
+			// if the hints succeeded, we don't need to do anything more
+			if (!m_matches.empty())
+			{
+				m_matched = true;
+				return;
+			}
+		}
+	}
+#endif
+}
+
+void pattern::EnsureMatches(uint32_t maxCount)
+{
+	if (m_matched)
+	{
+		return;
+	}
+
+	// scan the executable for code
+	executable_meta executable(m_module);
+
+	auto matchSuccess = [&] (uintptr_t address)
+	{
+#if PATTERNS_USE_HINTS
+		g_hints.emplace(m_hash, address);
+#else
+		(void)address;
+#endif
+
+		return (m_matches.size() == maxCount);
+	};
+
+	const uint8_t* pattern = reinterpret_cast<const uint8_t*>(m_bytes.c_str());
+	const char* mask = m_mask.c_str();
+	size_t lastWild = m_mask.find_last_of('?');
+
+	ptrdiff_t Last[256];
+
+	std::fill(std::begin(Last), std::end(Last), lastWild == std::string::npos ? -1 : static_cast<ptrdiff_t>(lastWild) );
+
+	for ( ptrdiff_t i = 0; i < static_cast<ptrdiff_t>(m_size); ++i )
+	{
+		if ( Last[ pattern[i] ] < i )
+		{
+			Last[ pattern[i] ] = i;
+		}
+	}
+
+	for (uintptr_t i = executable.begin(), end = executable.end() - m_size; i <= end;)
+	{
+		uint8_t* ptr = reinterpret_cast<uint8_t*>(i);
+		ptrdiff_t j = m_size - 1;
+
+		while((j >= 0) && (mask[j] == '?' || pattern[j] == ptr[j])) j--;
+
+		if(j < 0)
+		{
+			m_matches.emplace_back(ptr);
+
+			if (matchSuccess(i))
+			{
+				break;
+			}
+			i++;
+		}
+		else i += std::max(1, j - Last[ ptr[j] ]);
+	}
+
+	m_matched = true;
+}
+
+bool pattern::ConsiderMatch(uintptr_t offset)
+{
+	const char* pattern = m_bytes.c_str();
+	const char* mask = m_mask.c_str();
+
+	char* ptr = reinterpret_cast<char*>(offset);
+
+	for (size_t i = 0; i < m_size; i++)
+	{
+		if (mask[i] == '?')
+		{
+			continue;
+		}
+
+		if (pattern[i] != ptr[i])
+		{
+			return false;
+		}
+	}
+
+	m_matches.emplace_back(ptr);
+
+	return true;
+}
+
+#if PATTERNS_USE_HINTS
+void pattern::hint(uint64_t hash, uintptr_t address)
+{
+	auto range = g_hints.equal_range(hash);
+
+	for (auto it = range.first; it != range.second; it++)
+	{
+		if (it->second == address)
+		{
+			return;
+		}
+	}
+
+	g_hints.emplace(hash, address);
+}
+#endif
+}

SilentPatch/Patterns.h

@@ -0,0 +1,175 @@
+/*
+ * This file is part of the CitizenFX project - http://citizen.re/
+ *
+ * See LICENSE and MENTIONS in the root of the source tree for information
+ * regarding licensing.
+ */
+
+#pragma once
+
+#include <cassert>
+#include <vector>
+
+#define PATTERNS_USE_HINTS 0
+
+namespace hook
+{
+	extern ptrdiff_t baseAddressDifference;
+
+	// sets the base address difference based on an obtained pointer
+	inline void set_base(uintptr_t address)
+	{
+#ifdef _M_IX86
+		uintptr_t addressDiff = (address - 0x400000);
+#elif defined(_M_AMD64)
+		uintptr_t addressDiff = (address - 0x140000000);
+#endif
+
+		// pointer-style cast to ensure unsigned overflow ends up copied directly into a signed value
+		baseAddressDifference = *(ptrdiff_t*)&addressDiff;
+	}
+
+	// sets the base to the process main base
+	void set_base();
+
+	template<typename T>
+	inline T* getRVA(uintptr_t rva)
+	{
+		set_base();
+#ifdef _M_IX86
+		return (T*)(baseAddressDifference + 0x400000 + rva);
+#elif defined(_M_AMD64)
+		return (T*)(0x140000000 + rva);
+#endif
+	}
+
+	class pattern_match
+	{
+	private:
+		void* m_pointer;
+
+	public:
+		inline pattern_match(void* pointer)
+			: m_pointer(pointer)
+		{
+		}
+
+		template<typename T>
+		T* get(ptrdiff_t offset = 0) const
+		{
+			char* ptr = reinterpret_cast<char*>(m_pointer);
+			return reinterpret_cast<T*>(ptr + offset);
+		}
+	};
+
+	class pattern
+	{
+	private:
+		std::string m_bytes;
+		std::string m_mask;
+
+#if PATTERNS_USE_HINTS
+		uint64_t m_hash;
+#endif
+
+		size_t m_size;
+
+		std::vector<pattern_match> m_matches;
+
+		bool m_matched;
+
+		void* m_module;
+
+	protected:
+		inline pattern(void* module)
+			: m_module(module), m_matched(false)
+		{
+		}
+
+		void Initialize(const char* pattern, size_t length);
+
+	private:
+		bool ConsiderMatch(uintptr_t offset);
+
+		void EnsureMatches(uint32_t maxCount);
+
+		inline const pattern_match& _get_internal(size_t index)
+		{
+			return m_matches[index];
+		}
+
+	public:
+		template<size_t Len>
+		pattern(const char (&pattern)[Len])
+			: pattern(getRVA<void>(0))
+		{
+			Initialize(pattern, Len);
+		}
+
+		inline pattern& count(uint32_t expected)
+		{
+			EnsureMatches(expected);
+			assert(m_matches.size() == expected);
+			return *this;
+		}
+
+		inline pattern& count_hint(uint32_t expected)
+		{
+			EnsureMatches(expected);
+			return *this;
+		}
+
+		inline size_t size()
+		{
+			EnsureMatches(UINT32_MAX);
+			return m_matches.size();
+		}
+
+		inline bool empty()
+		{
+			return size() == 0;
+		}
+
+		inline const pattern_match& get(size_t index)
+		{
+			EnsureMatches(UINT32_MAX);
+			return _get_internal(index);
+		}
+
+		inline const pattern_match& get_one()
+		{
+			return count(1)._get_internal(0);
+		}
+
+		template<typename T = void>
+		inline auto get_first(ptrdiff_t offset = 0)
+		{
+			return get_one().get<T>(offset);
+		}
+
+	public:
+#if PATTERNS_USE_HINTS
+		// define a hint
+		static void hint(uint64_t hash, uintptr_t address);
+#endif
+	};
+
+	class module_pattern
+		: public pattern
+	{
+	public:
+		template<size_t Len>
+		module_pattern(void* module, const char(&pattern)[Len])
+			: pattern(module)
+		{
+			Initialize(pattern, Len);
+		}
+	};
+
+
+	template<typename T = void, size_t Len>
+	auto get_pattern(const char(&pattern_string)[Len], ptrdiff_t offset = 0)
+	{
+		return pattern(pattern_string).get_first<T>(offset);
+	}
+}

SilentPatch/string_view.hpp

@@ -0,0 +1,919 @@
+// -*- C++ -*-
+//===------------------------ string_view ---------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// This is a clone of the libcxx std::experimental::string_view (on <experimental/string_view>)
+// sighly edited (by Denilson das Merces Amorim <dma_2012@hotmail.com>) to be independent of the
+// libcxx library stack, so this can be used as a library on other compilers.
+// This should be useful/fun until all the compilers have a string_view implementation.
+
+#ifndef _LIBCPP_STRVIEWCLONE_LFTS_STRING_VIEW
+#define _LIBCPP_STRVIEWCLONE_LFTS_STRING_VIEW
+
+// Some LIBCPP macros left here because they are somewhat useful.
+// (renamed to LIBCPP_STRVIEWCLONE, 'course)
+#include <cassert>
+#define __LIBCPP_STRVIEWCLONE_throw(ex) throw (ex)              // Might undefine this if -fno-exceptions? Dunno.
+#define _LIBCPP_STRVIEWCLONE_ASSERT(x, m) assert(x && m)        // Translate libcxx assertion to C assert
+#if __cplusplus < 201402L
+#   define _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11
+#else
+#   define _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 constexpr
+#endif
+
+/*
+string_view synopsis
+namespace std {
+ namespace experimental {
+  inline namespace library_fundamentals_v1 {
+    // 7.2, Class template basic_string_view
+    template<class charT, class traits = char_traits<charT>>
+        class basic_string_view;
+    // 7.9, basic_string_view non-member comparison functions
+    template<class charT, class traits>
+    constexpr bool operator==(basic_string_view<charT, traits> x,
+                              basic_string_view<charT, traits> y) noexcept;
+    template<class charT, class traits>
+    constexpr bool operator!=(basic_string_view<charT, traits> x,
+                              basic_string_view<charT, traits> y) noexcept;
+    template<class charT, class traits>
+    constexpr bool operator< (basic_string_view<charT, traits> x,
+                                 basic_string_view<charT, traits> y) noexcept;
+    template<class charT, class traits>
+    constexpr bool operator> (basic_string_view<charT, traits> x,
+                              basic_string_view<charT, traits> y) noexcept;
+    template<class charT, class traits>
+    constexpr bool operator<=(basic_string_view<charT, traits> x,
+                                 basic_string_view<charT, traits> y) noexcept;
+    template<class charT, class traits>
+    constexpr bool operator>=(basic_string_view<charT, traits> x,
+                              basic_string_view<charT, traits> y) noexcept;
+    // see below, sufficient additional overloads of comparison functions
+    // 7.10, Inserters and extractors
+    template<class charT, class traits>
+      basic_ostream<charT, traits>&
+        operator<<(basic_ostream<charT, traits>& os,
+                   basic_string_view<charT, traits> str);
+    // basic_string_view typedef names
+    typedef basic_string_view<char> string_view;
+    typedef basic_string_view<char16_t> u16string_view;
+    typedef basic_string_view<char32_t> u32string_view;
+    typedef basic_string_view<wchar_t> wstring_view;
+    template<class charT, class traits = char_traits<charT>>
+    class basic_string_view {
+      public:
+      // types
+      typedef traits traits_type;
+      typedef charT value_type;
+      typedef charT* pointer;
+      typedef const charT* const_pointer;
+      typedef charT& reference;
+      typedef const charT& const_reference;
+      typedef implementation-defined const_iterator;
+      typedef const_iterator iterator;
+      typedef reverse_iterator<const_iterator> const_reverse_iterator;
+      typedef const_reverse_iterator reverse_iterator;
+      typedef size_t size_type;
+      typedef ptrdiff_t difference_type;
+      static constexpr size_type npos = size_type(-1);
+      // 7.3, basic_string_view constructors and assignment operators
+      constexpr basic_string_view() noexcept;
+      constexpr basic_string_view(const basic_string_view&) noexcept = default;
+      basic_string_view& operator=(const basic_string_view&) noexcept = default;
+      template<class Allocator>
+      basic_string_view(const std::basic_string<charT, traits, Allocator>& str) noexcept;
+      constexpr basic_string_view(const charT* str);
+      constexpr basic_string_view(const charT* str, size_type len);
+      // 7.4, basic_string_view iterator support
+      constexpr const_iterator begin() const noexcept;
+      constexpr const_iterator end() const noexcept;
+      constexpr const_iterator cbegin() const noexcept;
+      constexpr const_iterator cend() const noexcept;
+      const_reverse_iterator rbegin() const noexcept;
+      const_reverse_iterator rend() const noexcept;
+      const_reverse_iterator crbegin() const noexcept;
+      const_reverse_iterator crend() const noexcept;
+      // 7.5, basic_string_view capacity
+      constexpr size_type size() const noexcept;
+      constexpr size_type length() const noexcept;
+      constexpr size_type max_size() const noexcept;
+      constexpr bool empty() const noexcept;
+      // 7.6, basic_string_view element access
+      constexpr const_reference operator[](size_type pos) const;
+      constexpr const_reference at(size_type pos) const;
+      constexpr const_reference front() const;
+      constexpr const_reference back() const;
+      constexpr const_pointer data() const noexcept;
+      // 7.7, basic_string_view modifiers
+      constexpr void clear() noexcept;
+      constexpr void remove_prefix(size_type n);
+      constexpr void remove_suffix(size_type n);
+      constexpr void swap(basic_string_view& s) noexcept;
+      // 7.8, basic_string_view string operations
+      template<class Allocator>
+      explicit operator std::basic_string<charT, traits, Allocator>() const;
+      template<class Allocator = allocator<charT>>
+      std::basic_string<charT, traits, Allocator> to_string(
+        const Allocator& a = Allocator()) const;
+      size_type copy(charT* s, size_type n, size_type pos = 0) const;
+      constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const;
+      constexpr int compare(basic_string_view s) const noexcept;
+      constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const;
+      constexpr int compare(size_type pos1, size_type n1,
+                            basic_string_view s, size_type pos2, size_type n2) const;
+      constexpr int compare(const charT* s) const;
+      constexpr int compare(size_type pos1, size_type n1, const charT* s) const;
+      constexpr int compare(size_type pos1, size_type n1,
+                            const charT* s, size_type n2) const;
+      constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept;
+      constexpr size_type find(charT c, size_type pos = 0) const noexcept;
+      constexpr size_type find(const charT* s, size_type pos, size_type n) const;
+      constexpr size_type find(const charT* s, size_type pos = 0) const;
+      constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept;
+      constexpr size_type rfind(charT c, size_type pos = npos) const noexcept;
+      constexpr size_type rfind(const charT* s, size_type pos, size_type n) const;
+      constexpr size_type rfind(const charT* s, size_type pos = npos) const;
+      constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept;
+      constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept;
+      constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const;
+      constexpr size_type find_first_of(const charT* s, size_type pos = 0) const;
+      constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept;
+      constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept;
+      constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const;
+      constexpr size_type find_last_of(const charT* s, size_type pos = npos) const;
+      constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept;
+      constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept;
+      constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const;
+      constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const;
+      constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept;
+      constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept;
+      constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const;
+      constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const;
+     private:
+      const_pointer data_;  // exposition only
+      size_type     size_;  // exposition only
+    };
+  }  // namespace fundamentals_v1
+ }  // namespace experimental
+  // 7.11, Hash support
+  template <class T> struct hash;
+  template <> struct hash<experimental::string_view>;
+  template <> struct hash<experimental::u16string_view>;
+  template <> struct hash<experimental::u32string_view>;
+  template <> struct hash<experimental::wstring_view>;
+}  // namespace std
+*/
+
+#include <string>
+#include <algorithm>
+#include <iterator>
+#include <ostream>
+#include <stdexcept>
+#include <iomanip>
+#include <cstddef>
+
+namespace libcxx_strviewclone {
+
+    template<class _CharT, class _Traits = std::char_traits<_CharT> >
+    class  basic_string_view {
+    public:
+        // types
+        typedef _Traits                                    traits_type;
+        typedef _CharT                                     value_type;
+        typedef const _CharT*                              pointer;
+        typedef const _CharT*                              const_pointer;
+        typedef const _CharT&                              reference;
+        typedef const _CharT&                              const_reference;
+        typedef const_pointer                              const_iterator; // See [string.view.iterators]
+        typedef const_iterator                             iterator;
+        typedef std::reverse_iterator<const_iterator>    const_reverse_iterator;
+        typedef const_reverse_iterator                     reverse_iterator;
+        typedef size_t                                     size_type;
+        typedef ptrdiff_t                                  difference_type;
+        static constexpr const size_type npos = size_type(-1);
+
+        // [string.view.cons], construct/copy
+        constexpr inline
+        basic_string_view() noexcept : __data (nullptr), __size(0) {}
+
+        constexpr inline
+        basic_string_view(const basic_string_view&) noexcept = default;
+
+        inline
+        basic_string_view& operator=(const basic_string_view&) noexcept = default;
+
+        template<class _Allocator>
+        inline
+        basic_string_view(const std::basic_string<_CharT, _Traits, _Allocator>& __str) noexcept
+            : __data (__str.data()), __size(__str.size()) {}
+
+        constexpr inline
+        basic_string_view(const _CharT* __s, size_type __len)
+            : __data(__s), __size(__len)
+        {
+//             _LIBCPP_STRVIEWCLONE_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr");
+        }
+
+        constexpr inline
+        basic_string_view(const _CharT* __s)
+            : __data(__s), __size(_Traits::length(__s)) {}
+
+        // [string.view.iterators], iterators
+        constexpr inline
+        const_iterator begin()  const noexcept { return cbegin(); }
+
+        constexpr inline
+        const_iterator end()    const noexcept { return cend(); }
+
+        constexpr inline
+        const_iterator cbegin() const noexcept { return __data; }
+
+        constexpr inline
+        const_iterator cend()   const noexcept { return __data + __size; }
+
+        inline
+        const_reverse_iterator rbegin()   const noexcept { return const_reverse_iterator(cend()); }
+
+        inline
+        const_reverse_iterator rend()     const noexcept { return const_reverse_iterator(cbegin()); }
+
+        inline
+        const_reverse_iterator crbegin()  const noexcept { return const_reverse_iterator(cend()); }
+
+        inline
+        const_reverse_iterator crend()    const noexcept { return const_reverse_iterator(cbegin()); }
+
+        // [string.view.capacity], capacity
+        constexpr inline
+        size_type size()     const noexcept { return __size; }
+
+        constexpr inline
+        size_type length()   const noexcept { return __size; }
+
+        constexpr inline
+        size_type max_size() const noexcept { return std::numeric_limits<size_type>::max(); }
+
+        constexpr bool inline
+        empty()         const noexcept { return __size == 0; }
+
+        // [string.view.access], element access
+        constexpr inline
+        const_reference operator[](size_type __pos) const { return __data[__pos]; }
+
+        constexpr inline
+        const_reference at(size_type __pos) const
+        {
+            return __pos >= size()
+                ? (__LIBCPP_STRVIEWCLONE_throw(std::out_of_range("string_view::at")), __data[0])
+                : __data[__pos];
+        }
+
+        constexpr inline
+        const_reference front() const
+        {
+            return _LIBCPP_STRVIEWCLONE_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0];
+        }
+
+        constexpr inline
+        const_reference back() const
+        {
+            return _LIBCPP_STRVIEWCLONE_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1];
+        }
+
+        constexpr inline
+        const_pointer data() const noexcept { return __data; }
+
+        // [string.view.modifiers], modifiers:
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        void clear() noexcept
+        {
+            __data = nullptr;
+            __size = 0;
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        void remove_prefix(size_type __n) noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()");
+            __data += __n;
+            __size -= __n;
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        void remove_suffix(size_type __n) noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()");
+            __size -= __n;
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        void swap(basic_string_view& __other) noexcept
+        {
+            const value_type *__p = __data;
+            __data = __other.__data;
+            __other.__data = __p;
+
+            size_type __sz = __size;
+            __size = __other.__size;
+            __other.__size = __sz;
+//             std::swap( __data, __other.__data );
+//             std::swap( __size, __other.__size );
+        }
+
+        // [string.view.ops], string operations:
+        template<class _Allocator>
+        inline
+        explicit operator std::basic_string<_CharT, _Traits, _Allocator>() const
+        { return std::basic_string<_CharT, _Traits, _Allocator>( begin(), end()); }
+
+        template<class _Allocator = std::allocator<_CharT> >
+        inline
+        std::basic_string<_CharT, _Traits, _Allocator>
+        to_string( const _Allocator& __a = _Allocator()) const
+        { return std::basic_string<_CharT, _Traits, _Allocator> ( begin(), end(), __a ); }
+
+        size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const
+        {
+            if ( __pos > size())
+                __LIBCPP_STRVIEWCLONE_throw(std::out_of_range("string_view::copy"));
+            size_type __rlen = std::min( __n, size() - __pos );
+            std::copy_n(begin() + __pos, __rlen, __s );
+            return __rlen;
+        }
+
+        constexpr
+        basic_string_view substr(size_type __pos = 0, size_type __n = npos) const
+        {
+//             if (__pos > size())
+//                 throw out_of_range("string_view::substr");
+//             size_type __rlen = std::min( __n, size() - __pos );
+//             return basic_string_view(data() + __pos, __rlen);
+            return __pos > size()
+                ? (__LIBCPP_STRVIEWCLONE_throw((std::out_of_range("string_view::substr"))), basic_string_view())
+                : basic_string_view(data() + __pos, std::min(__n, size() - __pos));
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const noexcept
+        {
+            size_type __rlen = std::min( size(), __sv.size());
+            int __retval = _Traits::compare(data(), __sv.data(), __rlen);
+            if ( __retval == 0 ) // first __rlen chars matched
+                __retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 );
+            return __retval;
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const
+        {
+            return substr(__pos1, __n1).compare(__sv);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        int compare(                       size_type __pos1, size_type __n1, 
+                    basic_string_view _sv, size_type __pos2, size_type __n2) const
+        {
+            return substr(__pos1, __n1).compare(_sv.substr(__pos2, __n2));
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        int compare(const _CharT* __s) const
+        {
+            return compare(basic_string_view(__s));
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        int compare(size_type __pos1, size_type __n1, const _CharT* __s) const
+        {
+            return substr(__pos1, __n1).compare(basic_string_view(__s));
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const
+        {
+            return substr(__pos1, __n1).compare(basic_string_view(__s, __n2));
+        }
+
+        // find
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find(basic_string_view __s, size_type __pos = 0) const noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr");
+            return this->__str_find<value_type, size_type, traits_type, npos>
+                (data(), size(), __s.data(), __pos, __s.size());
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find(_CharT __c, size_type __pos = 0) const noexcept
+        {
+            return this->__str_find<value_type, size_type, traits_type, npos>
+                (data(), size(), __c, __pos);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find(const _CharT* __s, size_type __pos, size_type __n) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr");
+            return this->__str_find<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, __n);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find(const _CharT* __s, size_type __pos = 0) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s != nullptr, "string_view::find(): received nullptr");
+            return this->__str_find<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, traits_type::length(__s));
+        }
+
+        // rfind
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type rfind(basic_string_view __s, size_type __pos = npos) const noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr");
+            return this->__str_rfind<value_type, size_type, traits_type, npos>
+                (data(), size(), __s.data(), __pos, __s.size());
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type rfind(_CharT __c, size_type __pos = npos) const noexcept
+        {
+            return this->__str_rfind<value_type, size_type, traits_type, npos>
+                (data(), size(), __c, __pos);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr");
+            return this->__str_rfind<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, __n);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type rfind(const _CharT* __s, size_type __pos=npos) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr");
+            return this->__str_rfind<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, traits_type::length(__s));
+        }
+
+        // find_first_of
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_of(basic_string_view __s, size_type __pos = 0) const noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr");
+            return this->__str_find_first_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s.data(), __pos, __s.size());
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_of(_CharT __c, size_type __pos = 0) const noexcept
+        { return find(__c, __pos); }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr");
+            return this->__str_find_first_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, __n);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_of(const _CharT* __s, size_type __pos=0) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s != nullptr, "string_view::find_first_of(): received nullptr");
+            return this->__str_find_first_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, traits_type::length(__s));
+        }
+
+        // find_last_of
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_of(basic_string_view __s, size_type __pos=npos) const noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr");
+            return this->__str_find_last_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s.data(), __pos, __s.size());
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_of(_CharT __c, size_type __pos = npos) const noexcept
+        { return rfind(__c, __pos); }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr");
+            return this->__str_find_last_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, __n);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_of(const _CharT* __s, size_type __pos=npos) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s != nullptr, "string_view::find_last_of(): received nullptr");
+            return this->__str_find_last_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, traits_type::length(__s));
+        }
+
+        // find_first_not_of
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr");
+            return this->__str_find_first_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s.data(), __pos, __s.size());
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_not_of(_CharT __c, size_type __pos=0) const noexcept
+        {
+            return this->__str_find_first_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __c, __pos);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr");
+            return this->__str_find_first_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, __n);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s != nullptr, "string_view::find_first_not_of(): received nullptr");
+            return this->__str_find_first_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, traits_type::length(__s));
+        }
+
+        // find_last_not_of
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const noexcept
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr");
+            return this->__str_find_last_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s.data(), __pos, __s.size());
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_not_of(_CharT __c, size_type __pos=npos) const noexcept
+        {
+            return this->__str_find_last_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __c, __pos);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr");
+            return this->__str_find_last_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, __n);
+        }
+
+        _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const
+        {
+            _LIBCPP_STRVIEWCLONE_ASSERT(__s != nullptr, "string_view::find_last_not_of(): received nullptr");
+            return this->__str_find_last_not_of<value_type, size_type, traits_type, npos>
+                (data(), size(), __s, __pos, traits_type::length(__s));
+        }
+
+    private:
+        //
+        // Some function taken from libcxx internals and put here, as private methods of string_view.
+        //
+
+        // __str_find
+        template<class /*_CharT*/, class _SizeT, class /*_Traits*/, _SizeT __npos>
+        static _SizeT _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        __str_find(const _CharT *__p, _SizeT __sz, 
+               const _CharT* __s, _SizeT __pos, _SizeT __n) noexcept
+        {
+            if (__pos > __sz || __sz - __pos < __n)
+                return __npos;
+            if (__n == 0)
+                return __pos;
+            const _CharT* __r = 
+                std::search(__p + __pos, __p + __sz,
+                        __s, __s + __n, _Traits::eq);
+            if (__r == __p + __sz)
+                return __npos;
+            return static_cast<_SizeT>(__r - __p);
+        }
+
+        // __str_rfind
+        template<class /*_CharT*/, class _SizeT, class /*_Traits*/, _SizeT __npos>
+        static _SizeT _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        __str_rfind(const _CharT *__p, _SizeT __sz, 
+                const _CharT* __s, _SizeT __pos, _SizeT __n) noexcept
+        {
+            __pos = std::min(__pos, __sz);
+            if (__n < __sz - __pos)
+                __pos += __n;
+            else
+                __pos = __sz;
+            const _CharT* __r = std::find_end(
+                    __p, __p + __pos, __s, __s + __n, _Traits::eq);
+            if (__n > 0 && __r == __p + __pos)
+                return __npos;
+            return static_cast<_SizeT>(__r - __p);
+        }
+
+        // __str_find_first_of
+        template<class /*_CharT*/, class _SizeT, class /*_Traits*/, _SizeT __npos>
+        static _SizeT _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        __str_find_first_of(const _CharT *__p, _SizeT __sz,
+                        const _CharT* __s, _SizeT __pos, _SizeT __n) noexcept
+        {
+            if (__pos >= __sz || __n == 0)
+                return __npos;
+            const _CharT* __r = std::find_first_of
+                (__p + __pos, __p + __sz, __s, __s + __n, _Traits::eq );
+            if (__r == __p + __sz)
+                return __npos;
+            return static_cast<_SizeT>(__r - __p);
+        }
+
+
+        // __str_find_last_of
+        template<class /*_CharT*/, class _SizeT, class /*_Traits*/, _SizeT __npos>
+        static _SizeT _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        __str_find_last_of(const _CharT *__p, _SizeT __sz,
+                       const _CharT* __s, _SizeT __pos, _SizeT __n) noexcept
+            {
+            if (__n != 0)
+            {
+                if (__pos < __sz)
+                    ++__pos;
+                else
+                    __pos = __sz;
+                for (const _CharT* __ps = __p + __pos; __ps != __p;)
+                {
+                    const _CharT* __r = _Traits::find(__s, __n, *--__ps);
+                    if (__r)
+                        return static_cast<_SizeT>(__ps - __p);
+                }
+            }
+            return __npos;
+        }
+
+
+        // __str_find_first_not_of
+        template<class /*_CharT*/, class _SizeT, class /*_Traits*/, _SizeT __npos>
+        static _SizeT _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        __str_find_first_not_of(const _CharT *__p, _SizeT __sz,
+                            const _CharT* __s, _SizeT __pos, _SizeT __n) noexcept
+        {
+            if (__pos < __sz)
+            {
+                const _CharT* __pe = __p + __sz;
+                for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps)
+                    if (_Traits::find(__s, __n, *__ps) == 0)
+                        return static_cast<_SizeT>(__ps - __p);
+            }
+            return __npos;
+        }
+
+
+        // __str_find_last_not_of
+        template<class /*_CharT*/, class _SizeT, class /*_Traits*/, _SizeT __npos>
+        static _SizeT _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+        __str_find_last_not_of(const _CharT *__p, _SizeT __sz,
+                           const _CharT* __s, _SizeT __pos, _SizeT __n) noexcept
+        {
+            if (__pos < __sz)
+                ++__pos;
+            else
+                __pos = __sz;
+            for (const _CharT* __ps = __p + __pos; __ps != __p;)
+                if (_Traits::find(__s, __n, *--__ps) == 0)
+                    return static_cast<_SizeT>(__ps - __p);
+            return __npos;
+        }
+
+    private:
+        const   value_type* __data;
+        size_type           __size;
+    };
+
+
+    // [string.view.comparison]
+    // operator ==
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator==(basic_string_view<_CharT, _Traits> __lhs,
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        if ( __lhs.size() != __rhs.size()) return false;
+        return __lhs.compare(__rhs) == 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator==(basic_string_view<_CharT, _Traits> __lhs,
+                    typename std::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) noexcept
+    {
+        if ( __lhs.size() != __rhs.size()) return false;
+        return __lhs.compare(__rhs) == 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator==(typename std::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, 
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        if ( __lhs.size() != __rhs.size()) return false;
+        return __lhs.compare(__rhs) == 0;
+    }
+
+
+    // operator !=
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        if ( __lhs.size() != __rhs.size())
+            return true;
+        return __lhs.compare(__rhs) != 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator!=(basic_string_view<_CharT, _Traits> __lhs,
+                    typename std::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) noexcept
+    {
+        if ( __lhs.size() != __rhs.size())
+            return true;
+        return __lhs.compare(__rhs) != 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator!=(typename std::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, 
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        if ( __lhs.size() != __rhs.size())
+            return true;
+        return __lhs.compare(__rhs) != 0;
+    }
+
+
+    // operator <
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) < 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator<(basic_string_view<_CharT, _Traits> __lhs,
+                    typename std::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) < 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator<(typename std::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, 
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) < 0;
+    }
+
+
+    // operator >
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) > 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator>(basic_string_view<_CharT, _Traits> __lhs,
+                    typename std::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) > 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator>(typename std::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, 
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) > 0;
+    }
+
+
+    // operator <=
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) <= 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator<=(basic_string_view<_CharT, _Traits> __lhs,
+                    typename std::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) <= 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator<=(typename std::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, 
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) <= 0;
+    }
+
+
+    // operator >=
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) >= 0;
+    }
+
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator>=(basic_string_view<_CharT, _Traits> __lhs,
+                    typename std::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) >= 0;
+    }
+
+    template<class _CharT, class _Traits>
+    _LIBCPP_STRVIEWCLONE_CONSTEXPR_AFTER_CXX11 inline
+    bool operator>=(typename std::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, 
+                    basic_string_view<_CharT, _Traits> __rhs) noexcept
+    {
+        return __lhs.compare(__rhs) >= 0;
+    }
+
+
+    // [string.view.io]
+    template<class _CharT, class _Traits> inline
+    std::basic_ostream<_CharT, _Traits>&
+    operator<<(std::basic_ostream<_CharT, _Traits>& __os, basic_string_view<_CharT, _Traits> __sv)
+    {
+        auto& s = __sv;
+        copy(s.begin(), s.end(), std::ostream_iterator<char>(__os));
+        return __os;
+    }
+
+  typedef basic_string_view<char>     string_view;
+  typedef basic_string_view<char16_t> u16string_view;
+  typedef basic_string_view<char32_t> u32string_view;
+  typedef basic_string_view<wchar_t>  wstring_view;
+
+}
+namespace std  {
+
+/*
+// [string.view.hash]
+// Shamelessly stolen from <string>
+template<class _CharT, class _Traits>
+struct  hash<std::experimental::basic_string_view<_CharT, _Traits> >
+    : public unary_function<std::experimental::basic_string_view<_CharT, _Traits>, size_t>
+{
+    size_t operator()(const std::experimental::basic_string_view<_CharT, _Traits>& __val) const noexcept;
+};
+
+template<class _CharT, class _Traits>
+size_t
+hash<std::experimental::basic_string_view<_CharT, _Traits> >::operator()(
+        const std::experimental::basic_string_view<_CharT, _Traits>& __val) const noexcept
+{
+    return __do_string_hash(__val.data(), __val.data() + __val.size());
+}
+*/
+
+/*
+template <class _CharT, class _Traits>
+__quoted_output_proxy<_CharT, const _CharT *, _Traits>
+quoted ( std::experimental::basic_string_view <_CharT, _Traits> __sv,
+             _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
+{
+    return __quoted_output_proxy<_CharT, const _CharT *, _Traits> 
+         ( __sv.data(), __sv.data() + __sv.size(), __delim, __escape );
+}
+*/
+
+}
+
+#endif // _LIBCPP_STRVIEWCLONE_LFTS_STRING_VIEW

SilentPatchIII/SilentPatchIII.vcxproj

@@ -11,6 +11,10 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\SilentPatch\Patterns.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
+    </ClCompile>
     <ClCompile Include="..\SilentPatch\Timer.cpp" />
     <ClCompile Include="SilentPatchIII.cpp" />
     <ClCompile Include="StdAfxIII.cpp">
@@ -21,6 +25,7 @@
   <ItemGroup>
     <ClInclude Include="..\SilentPatch\General.h" />
     <ClInclude Include="..\SilentPatch\MemoryMgr.h" />
+    <ClInclude Include="..\SilentPatch\Patterns.h" />
     <ClInclude Include="..\SilentPatch\StdAfx.h" />
     <ClInclude Include="..\SilentPatch\Timer.h" />
   </ItemGroup>

SilentPatchIII/SilentPatchIII.vcxproj.filters

@@ -24,6 +24,9 @@
     <ClCompile Include="StdAfxIII.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\SilentPatch\Patterns.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\SilentPatch\MemoryMgr.h">
@@ -38,5 +41,8 @@
     <ClInclude Include="..\SilentPatch\StdAfx.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\SilentPatch\Patterns.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

SilentPatchSA/SilentPatchSA.vcxproj

@@ -114,6 +114,10 @@ copy /y "$(TargetPath)" "D:\gry\GTA San Andreas clean\scripts\newsteam_r2_lowvio
     </FxCompile>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="..\SilentPatch\Patterns.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
+    </ClCompile>
     <ClCompile Include="AudioHardwareSA.cpp" />
     <ClCompile Include="FLACDecoderSA.cpp" />
     <ClCompile Include="GeneralSA.cpp" />
@@ -155,6 +159,7 @@ copy /y "$(TargetPath)" "D:\gry\GTA San Andreas clean\scripts\newsteam_r2_lowvio
     <ClInclude Include="..\SilentPatch\FLAC\ordinals.h" />
     <ClInclude Include="..\SilentPatch\FLAC\stream_decoder.h" />
     <ClInclude Include="..\SilentPatch\MemoryMgr.h" />
+    <ClInclude Include="..\SilentPatch\Patterns.h" />
     <ClInclude Include="..\SilentPatch\Timer.h" />
     <ClInclude Include="AudioHardwareSA.h" />
     <ClInclude Include="FLACDecoderSA.h" />

SilentPatchSA/SilentPatchSA.vcxproj.filters

@@ -60,6 +60,9 @@
     <ClCompile Include="FLACDecoderSA.cpp">
       <Filter>Source Files\decoders</Filter>
     </ClCompile>
+    <ClCompile Include="..\SilentPatch\Patterns.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\SilentPatch\MemoryMgr.h">
@@ -128,6 +131,9 @@
     <ClInclude Include="FLACDecoderSA.h">
       <Filter>Source Files\decoders</Filter>
     </ClInclude>
+    <ClInclude Include="..\SilentPatch\Patterns.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="Shaders.rc">

SilentPatchVC/SilentPatchVC.vcxproj

@@ -103,10 +103,15 @@
   <ItemGroup>
     <ClInclude Include="..\SilentPatch\General.h" />
     <ClInclude Include="..\SilentPatch\MemoryMgr.h" />
+    <ClInclude Include="..\SilentPatch\Patterns.h" />
     <ClInclude Include="..\SilentPatch\StdAfx.h" />
     <ClInclude Include="..\SilentPatch\Timer.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\SilentPatch\Patterns.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
+    </ClCompile>
     <ClCompile Include="..\SilentPatch\Timer.cpp" />
     <ClCompile Include="SilentPatchVC.cpp" />
     <ClCompile Include="StdAfxVC.cpp">

SilentPatchVC/SilentPatchVC.vcxproj.filters

@@ -27,6 +27,9 @@
     <ClInclude Include="..\SilentPatch\StdAfx.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\SilentPatch\Patterns.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\SilentPatch\Timer.cpp">
@@ -38,5 +41,8 @@
     <ClCompile Include="SilentPatchVC.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\SilentPatch\Patterns.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>