aboutsummaryrefslogtreecommitdiff
path: root/client/asmjit/core/zonestack.h
diff options
context:
space:
mode:
Diffstat (limited to 'client/asmjit/core/zonestack.h')
-rw-r--r--client/asmjit/core/zonestack.h234
1 files changed, 0 insertions, 234 deletions
diff --git a/client/asmjit/core/zonestack.h b/client/asmjit/core/zonestack.h
deleted file mode 100644
index 2de6cdc..0000000
--- a/client/asmjit/core/zonestack.h
+++ /dev/null
@@ -1,234 +0,0 @@
-// AsmJit - Machine code generation for C++
-//
-// * Official AsmJit Home Page: https://asmjit.com
-// * Official Github Repository: https://github.com/asmjit/asmjit
-//
-// Copyright (c) 2008-2020 The AsmJit Authors
-//
-// This software is provided 'as-is', without any express or implied
-// warranty. In no event will the authors be held liable for any damages
-// arising from the use of this software.
-//
-// Permission is granted to anyone to use this software for any purpose,
-// including commercial applications, and to alter it and redistribute it
-// freely, subject to the following restrictions:
-//
-// 1. The origin of this software must not be misrepresented; you must not
-// claim that you wrote the original software. If you use this software
-// in a product, an acknowledgment in the product documentation would be
-// appreciated but is not required.
-// 2. Altered source versions must be plainly marked as such, and must not be
-// misrepresented as being the original software.
-// 3. This notice may not be removed or altered from any source distribution.
-
-#ifndef ASMJIT_CORE_ZONESTACK_H_INCLUDED
-#define ASMJIT_CORE_ZONESTACK_H_INCLUDED
-
-#include "../core/zone.h"
-
-ASMJIT_BEGIN_NAMESPACE
-
-//! \addtogroup asmjit_zone
-//! \{
-
-// ============================================================================
-// [asmjit::ZoneStackBase]
-// ============================================================================
-
-//! Base class used by \ref ZoneStack.
-class ZoneStackBase {
-public:
- ASMJIT_NONCOPYABLE(ZoneStackBase)
-
- static constexpr uint32_t kBlockSize = ZoneAllocator::kHiMaxSize;
-
- struct Block {
- inline bool empty() const noexcept { return _start == _end; }
- inline Block* prev() const noexcept { return _link[Globals::kLinkLeft]; }
- inline Block* next() const noexcept { return _link[Globals::kLinkRight]; }
-
- inline void setPrev(Block* block) noexcept { _link[Globals::kLinkLeft] = block; }
- inline void setNext(Block* block) noexcept { _link[Globals::kLinkRight] = block; }
-
- template<typename T>
- inline T* start() const noexcept { return static_cast<T*>(_start); }
- template<typename T>
- inline void setStart(T* start) noexcept { _start = static_cast<void*>(start); }
-
- template<typename T>
- inline T* end() const noexcept { return (T*)_end; }
- template<typename T>
- inline void setEnd(T* end) noexcept { _end = (void*)end; }
-
- template<typename T>
- inline T* data() const noexcept { return (T*)((uint8_t*)(this) + sizeof(Block)); }
-
- template<typename T>
- inline bool canPrepend() const noexcept { return _start > data<void>(); }
-
- template<typename T>
- inline bool canAppend() const noexcept {
- size_t kNumBlockItems = (kBlockSize - sizeof(Block)) / sizeof(T);
- size_t kStartBlockIndex = sizeof(Block);
- size_t kEndBlockIndex = kStartBlockIndex + kNumBlockItems * sizeof(T);
-
- return (uintptr_t)_end <= ((uintptr_t)this + kEndBlockIndex - sizeof(T));
- }
-
- Block* _link[Globals::kLinkCount]; //!< Next and previous blocks.
- void* _start; //!< Pointer to the start of the array.
- void* _end; //!< Pointer to the end of the array.
- };
-
- //! Allocator used to allocate data.
- ZoneAllocator* _allocator;
- //! First and last blocks.
- Block* _block[Globals::kLinkCount];
-
- //! \name Construction / Destruction
- //! \{
-
- inline ZoneStackBase() noexcept {
- _allocator = nullptr;
- _block[0] = nullptr;
- _block[1] = nullptr;
- }
- inline ~ZoneStackBase() noexcept { reset(); }
-
- inline bool isInitialized() const noexcept { return _allocator != nullptr; }
- ASMJIT_API Error _init(ZoneAllocator* allocator, size_t middleIndex) noexcept;
- inline Error reset() noexcept { return _init(nullptr, 0); }
-
- //! \}
-
- //! \name Accessors
- //! \{
-
- //! Returns `ZoneAllocator` attached to this container.
- inline ZoneAllocator* allocator() const noexcept { return _allocator; }
-
- inline bool empty() const noexcept {
- ASMJIT_ASSERT(isInitialized());
- return _block[0]->start<void>() == _block[1]->end<void>();
- }
-
- //! \}
-
- //! \cond INTERNAL
- //! \name Internal
- //! \{
-
- ASMJIT_API Error _prepareBlock(uint32_t side, size_t initialIndex) noexcept;
- ASMJIT_API void _cleanupBlock(uint32_t side, size_t middleIndex) noexcept;
-
- //! \}
- //! \endcond
-};
-
-// ============================================================================
-// [asmjit::ZoneStack<T>]
-// ============================================================================
-
-//! Zone allocated stack container.
-template<typename T>
-class ZoneStack : public ZoneStackBase {
-public:
- ASMJIT_NONCOPYABLE(ZoneStack<T>)
-
- enum : uint32_t {
- kNumBlockItems = uint32_t((kBlockSize - sizeof(Block)) / sizeof(T)),
- kStartBlockIndex = uint32_t(sizeof(Block)),
- kMidBlockIndex = uint32_t(kStartBlockIndex + (kNumBlockItems / 2) * sizeof(T)),
- kEndBlockIndex = uint32_t(kStartBlockIndex + (kNumBlockItems ) * sizeof(T))
- };
-
- //! \name Construction / Destruction
- //! \{
-
- inline ZoneStack() noexcept {}
- inline ~ZoneStack() noexcept {}
-
- inline Error init(ZoneAllocator* allocator) noexcept { return _init(allocator, kMidBlockIndex); }
-
- //! \}
-
- //! \name Utilities
- //! \{
-
- ASMJIT_INLINE Error prepend(T item) noexcept {
- ASMJIT_ASSERT(isInitialized());
- Block* block = _block[Globals::kLinkFirst];
-
- if (!block->canPrepend<T>()) {
- ASMJIT_PROPAGATE(_prepareBlock(Globals::kLinkFirst, kEndBlockIndex));
- block = _block[Globals::kLinkFirst];
- }
-
- T* ptr = block->start<T>() - 1;
- ASMJIT_ASSERT(ptr >= block->data<T>() && ptr <= block->data<T>() + (kNumBlockItems - 1));
- *ptr = item;
- block->setStart<T>(ptr);
- return kErrorOk;
- }
-
- ASMJIT_INLINE Error append(T item) noexcept {
- ASMJIT_ASSERT(isInitialized());
- Block* block = _block[Globals::kLinkLast];
-
- if (!block->canAppend<T>()) {
- ASMJIT_PROPAGATE(_prepareBlock(Globals::kLinkLast, kStartBlockIndex));
- block = _block[Globals::kLinkLast];
- }
-
- T* ptr = block->end<T>();
- ASMJIT_ASSERT(ptr >= block->data<T>() && ptr <= block->data<T>() + (kNumBlockItems - 1));
-
- *ptr++ = item;
- block->setEnd(ptr);
- return kErrorOk;
- }
-
- ASMJIT_INLINE T popFirst() noexcept {
- ASMJIT_ASSERT(isInitialized());
- ASMJIT_ASSERT(!empty());
-
- Block* block = _block[Globals::kLinkFirst];
- ASMJIT_ASSERT(!block->empty());
-
- T* ptr = block->start<T>();
- T item = *ptr++;
-
- block->setStart(ptr);
- if (block->empty())
- _cleanupBlock(Globals::kLinkFirst, kMidBlockIndex);
-
- return item;
- }
-
- ASMJIT_INLINE T pop() noexcept {
- ASMJIT_ASSERT(isInitialized());
- ASMJIT_ASSERT(!empty());
-
- Block* block = _block[Globals::kLinkLast];
- ASMJIT_ASSERT(!block->empty());
-
- T* ptr = block->end<T>();
- T item = *--ptr;
- ASMJIT_ASSERT(ptr >= block->data<T>());
- ASMJIT_ASSERT(ptr >= block->start<T>());
-
- block->setEnd(ptr);
- if (block->empty())
- _cleanupBlock(Globals::kLinkLast, kMidBlockIndex);
-
- return item;
- }
-
- //! \}
-};
-
-//! \}
-
-ASMJIT_END_NAMESPACE
-
-#endif // ASMJIT_CORE_ZONESTACK_H_INCLUDED