| /* |
| * Copyright (C) 2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEBGPU) |
| |
| #include "WHLSLNameSpace.h" |
| |
| namespace WebCore { |
| |
| namespace WHLSL { |
| |
| struct Token; |
| |
| class CodeLocation { |
| public: |
| CodeLocation() |
| : m_startOffset(0x7FFFFFFF) |
| , m_endOffset(0x7FFFFFFF) |
| , m_nameSpace(static_cast<unsigned>(AST::NameSpace::StandardLibrary)) |
| { |
| } |
| |
| CodeLocation(unsigned startOffset, unsigned endOffset, AST::NameSpace nameSpace) |
| : m_startOffset(startOffset) |
| , m_endOffset(endOffset) |
| , m_nameSpace(static_cast<unsigned>(nameSpace)) |
| { |
| } |
| |
| CodeLocation(const Token&); |
| |
| CodeLocation(const CodeLocation& location1, const CodeLocation& location2) |
| : m_startOffset(location1.startOffset()) |
| , m_endOffset(location2.endOffset()) |
| , m_nameSpace(static_cast<unsigned>(location1.nameSpace())) |
| { |
| ASSERT(location1.nameSpace() == location2.nameSpace()); |
| } |
| |
| unsigned startOffset() const |
| { |
| return m_startOffset; |
| } |
| |
| unsigned endOffset() const |
| { |
| return m_endOffset; |
| } |
| |
| AST::NameSpace nameSpace() const |
| { |
| return static_cast<AST::NameSpace>(m_nameSpace); |
| } |
| |
| bool operator==(const CodeLocation& other) const |
| { |
| return m_startOffset == other.m_startOffset |
| && m_endOffset == other.m_endOffset |
| && m_nameSpace == other.m_nameSpace; |
| } |
| |
| bool operator!=(const CodeLocation& other) const { return !(*this == other); } |
| |
| explicit operator bool() const { return *this != CodeLocation(); } |
| |
| private: |
| unsigned m_startOffset : 31; |
| unsigned m_endOffset : 31; |
| unsigned m_nameSpace : 2; |
| }; |
| |
| } // namespace WHLSL |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |