mirror of
https://github.com/golang/go
synced 2024-11-05 11:36:10 -07:00
internal/lsp/cache: move overlay and debug handling into separate files
This change has no code modifications. Just move the handling for overlays and debugging into separate files to make them easier to find. Also, add some missing copyrights. Change-Id: I7256f704c017457fa3418818d03f89f061af6fc9 Reviewed-on: https://go-review.googlesource.com/c/tools/+/211757 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
This commit is contained in:
parent
bc4a8d3946
commit
d270ebf96e
4
internal/lsp/cache/analysis.go
vendored
4
internal/lsp/cache/analysis.go
vendored
@ -1,3 +1,7 @@
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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4
internal/lsp/cache/builtin.go
vendored
4
internal/lsp/cache/builtin.go
vendored
@ -1,3 +1,7 @@
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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72
internal/lsp/cache/debug.go
vendored
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72
internal/lsp/cache/debug.go
vendored
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@ -0,0 +1,72 @@
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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"sort"
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"golang.org/x/tools/internal/lsp/debug"
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"golang.org/x/tools/internal/span"
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)
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type debugView struct{ *view }
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func (v debugView) ID() string { return v.id }
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func (v debugView) Session() debug.Session { return debugSession{v.session} }
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type debugSession struct{ *session }
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func (s debugSession) ID() string { return s.id }
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func (s debugSession) Cache() debug.Cache { return debugCache{s.cache} }
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func (s debugSession) Files() []*debug.File {
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var files []*debug.File
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seen := make(map[span.URI]*debug.File)
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s.openFiles.Range(func(key interface{}, value interface{}) bool {
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uri, ok := key.(span.URI)
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if ok {
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f := &debug.File{Session: s, URI: uri}
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seen[uri] = f
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files = append(files, f)
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}
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return true
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})
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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for _, overlay := range s.overlays {
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f, ok := seen[overlay.uri]
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if !ok {
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f = &debug.File{Session: s, URI: overlay.uri}
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seen[overlay.uri] = f
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files = append(files, f)
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}
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f.Data = string(overlay.data)
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f.Error = nil
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f.Hash = overlay.hash
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}
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sort.Slice(files, func(i int, j int) bool {
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return files[i].URI < files[j].URI
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})
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return files
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}
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func (s debugSession) File(hash string) *debug.File {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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for _, overlay := range s.overlays {
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if overlay.hash == hash {
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return &debug.File{
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Session: s,
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URI: overlay.uri,
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Data: string(overlay.data),
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Error: nil,
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Hash: overlay.hash,
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}
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}
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}
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return &debug.File{
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Session: s,
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Hash: hash,
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}
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}
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4
internal/lsp/cache/errors.go
vendored
4
internal/lsp/cache/errors.go
vendored
@ -1,3 +1,7 @@
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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119
internal/lsp/cache/overlay.go
vendored
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119
internal/lsp/cache/overlay.go
vendored
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@ -0,0 +1,119 @@
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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"context"
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"golang.org/x/tools/internal/lsp/source"
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"golang.org/x/tools/internal/span"
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)
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type overlay struct {
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session *session
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uri span.URI
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data []byte
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hash string
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version float64
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kind source.FileKind
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// sameContentOnDisk is true if a file has been saved on disk,
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// and therefore does not need to be part of the overlay sent to go/packages.
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sameContentOnDisk bool
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}
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func (o *overlay) FileSystem() source.FileSystem {
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return o.session
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}
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func (o *overlay) Identity() source.FileIdentity {
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return source.FileIdentity{
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URI: o.uri,
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Identifier: o.hash,
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Version: o.version,
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Kind: o.kind,
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}
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}
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func (o *overlay) Read(ctx context.Context) ([]byte, string, error) {
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return o.data, o.hash, nil
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}
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func (s *session) setOverlay(f source.File, version float64, data []byte) {
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s.overlayMu.Lock()
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defer func() {
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s.overlayMu.Unlock()
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s.filesWatchMap.Notify(f.URI(), source.Change)
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}()
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if data == nil {
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delete(s.overlays, f.URI())
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return
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}
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s.overlays[f.URI()] = &overlay{
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session: s,
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uri: f.URI(),
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kind: f.Kind(),
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data: data,
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hash: hashContents(data),
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version: version,
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}
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}
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func (s *session) clearOverlay(uri span.URI) {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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delete(s.overlays, uri)
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}
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// openOverlay adds the file content to the overlay.
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// It also checks if the provided content is equivalent to the file's content on disk.
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func (s *session) openOverlay(ctx context.Context, uri span.URI, kind source.FileKind, version float64, data []byte) {
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s.overlayMu.Lock()
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defer func() {
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s.overlayMu.Unlock()
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s.filesWatchMap.Notify(uri, source.Open)
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}()
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s.overlays[uri] = &overlay{
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session: s,
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uri: uri,
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kind: kind,
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data: data,
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hash: hashContents(data),
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version: version,
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}
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// If the file is on disk, check if its content is the same as the overlay.
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if _, hash, err := s.cache.GetFile(uri, kind).Read(ctx); err == nil {
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if hash == s.overlays[uri].hash {
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s.overlays[uri].sameContentOnDisk = true
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}
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}
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}
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func (s *session) readOverlay(uri span.URI) *overlay {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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// We might have the content saved in an overlay.
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if overlay, ok := s.overlays[uri]; ok {
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return overlay
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}
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return nil
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}
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func (s *session) buildOverlay() map[string][]byte {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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overlays := make(map[string][]byte)
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for uri, overlay := range s.overlays {
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if overlay.sameContentOnDisk {
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continue
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}
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overlays[uri.Filename()] = overlay.data
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}
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return overlays
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}
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163
internal/lsp/cache/session.go
vendored
163
internal/lsp/cache/session.go
vendored
@ -7,7 +7,6 @@ package cache
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import (
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"context"
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"path/filepath"
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"sort"
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"strconv"
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"strings"
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"sync"
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@ -40,19 +39,6 @@ type session struct {
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filesWatchMap *WatchMap
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}
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type overlay struct {
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session *session
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uri span.URI
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data []byte
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hash string
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version float64
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kind source.FileKind
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// sameContentOnDisk is true if a file has been saved on disk,
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// and therefore does not need to be part of the overlay sent to go/packages.
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sameContentOnDisk bool
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}
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func (s *session) Options() source.Options {
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return s.options
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}
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@ -377,155 +363,6 @@ func (s *session) GetFile(uri span.URI, kind source.FileKind) source.FileHandle
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return s.cache.GetFile(uri, kind)
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}
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func (s *session) setOverlay(f source.File, version float64, data []byte) {
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s.overlayMu.Lock()
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defer func() {
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s.overlayMu.Unlock()
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s.filesWatchMap.Notify(f.URI(), source.Change)
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}()
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if data == nil {
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delete(s.overlays, f.URI())
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return
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}
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s.overlays[f.URI()] = &overlay{
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session: s,
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uri: f.URI(),
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kind: f.Kind(),
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data: data,
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hash: hashContents(data),
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version: version,
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}
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}
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func (s *session) clearOverlay(uri span.URI) {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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delete(s.overlays, uri)
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}
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// openOverlay adds the file content to the overlay.
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// It also checks if the provided content is equivalent to the file's content on disk.
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func (s *session) openOverlay(ctx context.Context, uri span.URI, kind source.FileKind, version float64, data []byte) {
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s.overlayMu.Lock()
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defer func() {
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s.overlayMu.Unlock()
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s.filesWatchMap.Notify(uri, source.Open)
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}()
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s.overlays[uri] = &overlay{
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session: s,
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uri: uri,
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kind: kind,
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data: data,
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hash: hashContents(data),
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version: version,
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}
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// If the file is on disk, check if its content is the same as the overlay.
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if _, hash, err := s.cache.GetFile(uri, kind).Read(ctx); err == nil {
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if hash == s.overlays[uri].hash {
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s.overlays[uri].sameContentOnDisk = true
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}
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}
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}
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func (s *session) readOverlay(uri span.URI) *overlay {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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// We might have the content saved in an overlay.
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if overlay, ok := s.overlays[uri]; ok {
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return overlay
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}
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return nil
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}
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func (s *session) buildOverlay() map[string][]byte {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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overlays := make(map[string][]byte)
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for uri, overlay := range s.overlays {
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if overlay.sameContentOnDisk {
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continue
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}
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overlays[uri.Filename()] = overlay.data
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}
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return overlays
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}
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func (s *session) DidChangeOutOfBand(ctx context.Context, uri span.URI, action source.FileAction) bool {
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return s.filesWatchMap.Notify(uri, action)
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}
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func (o *overlay) FileSystem() source.FileSystem {
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return o.session
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}
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func (o *overlay) Identity() source.FileIdentity {
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return source.FileIdentity{
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URI: o.uri,
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Identifier: o.hash,
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Version: o.version,
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Kind: o.kind,
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}
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}
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func (o *overlay) Read(ctx context.Context) ([]byte, string, error) {
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return o.data, o.hash, nil
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}
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type debugSession struct{ *session }
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func (s debugSession) ID() string { return s.id }
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func (s debugSession) Cache() debug.Cache { return debugCache{s.cache} }
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func (s debugSession) Files() []*debug.File {
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var files []*debug.File
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seen := make(map[span.URI]*debug.File)
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s.openFiles.Range(func(key interface{}, value interface{}) bool {
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uri, ok := key.(span.URI)
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if ok {
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f := &debug.File{Session: s, URI: uri}
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seen[uri] = f
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files = append(files, f)
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}
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return true
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})
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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for _, overlay := range s.overlays {
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f, ok := seen[overlay.uri]
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if !ok {
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f = &debug.File{Session: s, URI: overlay.uri}
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seen[overlay.uri] = f
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files = append(files, f)
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}
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f.Data = string(overlay.data)
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f.Error = nil
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f.Hash = overlay.hash
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}
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sort.Slice(files, func(i int, j int) bool {
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return files[i].URI < files[j].URI
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})
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return files
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}
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func (s debugSession) File(hash string) *debug.File {
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s.overlayMu.Lock()
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defer s.overlayMu.Unlock()
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for _, overlay := range s.overlays {
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if overlay.hash == hash {
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return &debug.File{
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Session: s,
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URI: overlay.uri,
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Data: string(overlay.data),
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Error: nil,
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Hash: overlay.hash,
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}
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}
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}
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return &debug.File{
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Session: s,
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Hash: hash,
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}
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}
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4
internal/lsp/cache/snapshot.go
vendored
4
internal/lsp/cache/snapshot.go
vendored
@ -1,3 +1,7 @@
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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|
5
internal/lsp/cache/view.go
vendored
5
internal/lsp/cache/view.go
vendored
@ -529,8 +529,3 @@ func findFileInPackage(pkg source.Package, uri span.URI) (source.ParseGoHandle,
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}
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return nil, nil, errors.Errorf("no file for %s in package %s", uri, pkg.ID())
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}
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type debugView struct{ *view }
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func (v debugView) ID() string { return v.id }
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func (v debugView) Session() debug.Session { return debugSession{v.session} }
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|
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