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diff --git a/deps/v8/third_party/inspector_protocol/lib/Maybe_h.template b/deps/v8/third_party/inspector_protocol/lib/Maybe_h.template
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index 22cfac6b24..0000000000
--- a/deps/v8/third_party/inspector_protocol/lib/Maybe_h.template
+++ /dev/null
@@ -1,139 +0,0 @@
-// This file is generated by Maybe_h.template.
-
-// Copyright 2016 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.
-
-#ifndef {{"_".join(config.protocol.namespace)}}_Maybe_h
-#define {{"_".join(config.protocol.namespace)}}_Maybe_h
-
-// This macro allows to test for the version of the GNU C++ compiler.
-// Note that this also applies to compilers that masquerade as GCC,
-// for example clang and the Intel C++ compiler for Linux.
-// Use like:
-// #if IP_GNUC_PREREQ(4, 3, 1)
-// ...
-// #endif
-#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
-#define IP_GNUC_PREREQ(major, minor, patchlevel) \
- ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= \
- ((major)*10000 + (minor)*100 + (patchlevel)))
-#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
-#define IP_GNUC_PREREQ(major, minor, patchlevel) \
- ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100) >= \
- ((major)*10000 + (minor)*100 + (patchlevel)))
-#else
-#define IP_GNUC_PREREQ(major, minor, patchlevel) 0
-#endif
-
-#if defined(__mips64)
-#define IP_TARGET_ARCH_MIPS64 1
-#elif defined(__MIPSEB__) || defined(__MIPSEL__)
-#define IP_TARGET_ARCH_MIPS 1
-#endif
-
-// Allowing the use of noexcept by removing the keyword on older compilers that
-// do not support adding noexcept to default members.
-#if ((IP_GNUC_PREREQ(4, 9, 0) && !defined(IP_TARGET_ARCH_MIPS) && \
- !defined(IP_TARGET_ARCH_MIPS64)) || \
- (defined(__clang__) && __cplusplus > 201300L))
-#define IP_NOEXCEPT noexcept
-#else
-#define IP_NOEXCEPT
-#endif
-
-//#include "Forward.h"
-
-{% for namespace in config.protocol.namespace %}
-namespace {{namespace}} {
-{% endfor %}
-
-template<typename T>
-class Maybe {
-public:
- Maybe() : m_value() { }
- Maybe(std::unique_ptr<T> value) : m_value(std::move(value)) { }
- Maybe(Maybe&& other) IP_NOEXCEPT : m_value(std::move(other.m_value)) {}
- void operator=(std::unique_ptr<T> value) { m_value = std::move(value); }
- T* fromJust() const { DCHECK(m_value); return m_value.get(); }
- T* fromMaybe(T* defaultValue) const { return m_value ? m_value.get() : defaultValue; }
- bool isJust() const { return !!m_value; }
- std::unique_ptr<T> takeJust() { DCHECK(m_value); return std::move(m_value); }
-private:
- std::unique_ptr<T> m_value;
-};
-
-template<typename T>
-class MaybeBase {
-public:
- MaybeBase() : m_isJust(false) { }
- MaybeBase(T value) : m_isJust(true), m_value(value) { }
- MaybeBase(MaybeBase&& other) IP_NOEXCEPT
- : m_isJust(other.m_isJust),
- m_value(std::move(other.m_value)) {}
- void operator=(T value) { m_value = value; m_isJust = true; }
- T fromJust() const { DCHECK(m_isJust); return m_value; }
- T fromMaybe(const T& defaultValue) const { return m_isJust ? m_value : defaultValue; }
- bool isJust() const { return m_isJust; }
- T takeJust() { DCHECK(m_isJust); return m_value; }
-
-protected:
- bool m_isJust;
- T m_value;
-};
-
-template<>
-class Maybe<bool> : public MaybeBase<bool> {
-public:
- Maybe() { m_value = false; }
- Maybe(bool value) : MaybeBase(value) { }
- Maybe(Maybe&& other) IP_NOEXCEPT : MaybeBase(std::move(other)) {}
- using MaybeBase::operator=;
-};
-
-template<>
-class Maybe<int> : public MaybeBase<int> {
-public:
- Maybe() { m_value = 0; }
- Maybe(int value) : MaybeBase(value) { }
- Maybe(Maybe&& other) IP_NOEXCEPT : MaybeBase(std::move(other)) {}
- using MaybeBase::operator=;
-};
-
-template<>
-class Maybe<double> : public MaybeBase<double> {
-public:
- Maybe() { m_value = 0; }
- Maybe(double value) : MaybeBase(value) { }
- Maybe(Maybe&& other) IP_NOEXCEPT : MaybeBase(std::move(other)) {}
- using MaybeBase::operator=;
-};
-
-template<>
-class Maybe<String> : public MaybeBase<String> {
-public:
- Maybe() { }
- Maybe(const String& value) : MaybeBase(value) { }
- Maybe(Maybe&& other) IP_NOEXCEPT : MaybeBase(std::move(other)) {}
- using MaybeBase::operator=;
-};
-
-template<>
-class Maybe<Binary> : public MaybeBase<Binary> {
-public:
- Maybe() { }
- Maybe(Binary value) : MaybeBase(value) { }
- Maybe(Maybe&& other) IP_NOEXCEPT : MaybeBase(std::move(other)) {}
- using MaybeBase::operator=;
-};
-
-{% for namespace in config.protocol.namespace %}
-} // namespace {{namespace}}
-{% endfor %}
-
-#undef IP_GNUC_PREREQ
-#undef IP_TARGET_ARCH_MIPS64
-#undef IP_TARGET_ARCH_MIPS
-#undef IP_NOEXCEPT
-
-#endif // !defined({{"_".join(config.protocol.namespace)}}_Maybe_h)