22b01ab852
Current copy is cloned using hash: 51694fd33cdaaec5bdd7ab3dc4f488f5818fd870 .git and .gitignore have been cleanup. tests,docs,webgpu-cts folders have been deleted. For more details look at third_party/dawn/tnt/README.md file, which will be pushed in subsequent patch.
146 lines
4.4 KiB
Go
146 lines
4.4 KiB
Go
// Copyright 2025 The Dawn & Tint Authors
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Contains implementations of oswrapper interfaces that actually interact with the OS.
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package oswrapper
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import (
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"os"
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"path/filepath"
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"github.com/spf13/afero"
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)
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type RealOSWrapper struct {
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RealEnvironProvider
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RealFilesystemReaderWriter
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}
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type RealEnvironProvider struct{}
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type RealFilesystemReaderWriter struct {
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RealFilesystemReader
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RealFilesystemWriter
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}
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// Since these take Fs interface references instead of concrete implementations,
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// we could theoretically share most of the implementation between this and
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// MemMapFilesystemReader/Writer, relying on the fact that the real one will
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// have an OsFs and the test one will with a MemMapFs. However, since afero.Fs
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// does not implement MkdirTemp or Symlink, we would need to have some
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// differences anyways. So, keep the implementations completely separate for
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// now.
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type RealFilesystemReader struct {
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fs afero.Fs
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}
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type RealFilesystemWriter struct {
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fs afero.Fs
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}
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func GetRealOSWrapper() RealOSWrapper {
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filesystem := afero.NewOsFs()
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return RealOSWrapper{
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RealEnvironProvider{},
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RealFilesystemReaderWriter{
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RealFilesystemReader{
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fs: filesystem,
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},
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RealFilesystemWriter{
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fs: filesystem,
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},
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},
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}
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}
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func (RealEnvironProvider) Environ() []string {
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return os.Environ()
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}
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func (RealEnvironProvider) Getenv(key string) string {
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return os.Getenv(key)
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}
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func (RealEnvironProvider) Getwd() (string, error) {
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return os.Getwd()
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}
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func (RealEnvironProvider) UserHomeDir() (string, error) {
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return os.UserHomeDir()
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}
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func (rfsr RealFilesystemReader) Open(name string) (afero.File, error) {
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return rfsr.fs.Open(name)
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}
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func (rfsr RealFilesystemReader) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
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return rfsr.fs.OpenFile(name, flag, perm)
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}
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func (RealFilesystemReader) ReadFile(name string) ([]byte, error) {
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return os.ReadFile(name)
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}
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func (RealFilesystemReader) Stat(name string) (os.FileInfo, error) {
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return os.Stat(name)
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}
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func (RealFilesystemReader) Walk(root string, fn filepath.WalkFunc) error {
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return filepath.Walk(root, fn)
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}
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func (rfsw RealFilesystemWriter) Create(name string) (afero.File, error) {
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return rfsw.fs.Create(name)
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}
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func (RealFilesystemWriter) Mkdir(path string, perm os.FileMode) error {
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return os.Mkdir(path, perm)
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}
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func (RealFilesystemWriter) MkdirAll(path string, perm os.FileMode) error {
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return os.MkdirAll(path, perm)
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}
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func (RealFilesystemWriter) MkdirTemp(dir, pattern string) (string, error) {
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return os.MkdirTemp(dir, pattern)
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}
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func (RealFilesystemWriter) Remove(name string) error {
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return os.Remove(name)
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}
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func (RealFilesystemWriter) RemoveAll(path string) error {
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return os.RemoveAll(path)
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}
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func (RealFilesystemWriter) Symlink(oldname, newname string) error {
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return os.Symlink(oldname, newname)
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}
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func (RealFilesystemWriter) WriteFile(name string, data []byte, perm os.FileMode) error {
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return os.WriteFile(name, data, perm)
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}
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