mirror of
https://github.com/golang/go
synced 2024-11-18 23:44:43 -07:00
0bbdf54eff
This change modifies the invalidContent function to take a file change type. This allows us to eliminate the separate invalidateMetadata function. The logic of watching changed files is then further pushed into the caching layer. Updates golang/go#34218 Change-Id: Id31b3931c45ec408b6e7b4a362e00f9091ba4f70 Reviewed-on: https://go-review.googlesource.com/c/tools/+/201221 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Cottrell <iancottrell@google.com>
84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
package lsp
|
|
|
|
import (
|
|
"context"
|
|
|
|
"golang.org/x/tools/internal/lsp/protocol"
|
|
"golang.org/x/tools/internal/lsp/source"
|
|
"golang.org/x/tools/internal/lsp/telemetry"
|
|
"golang.org/x/tools/internal/span"
|
|
"golang.org/x/tools/internal/telemetry/log"
|
|
)
|
|
|
|
func (s *Server) didChangeWatchedFiles(ctx context.Context, params *protocol.DidChangeWatchedFilesParams) error {
|
|
for _, change := range params.Changes {
|
|
uri := span.NewURI(change.URI)
|
|
ctx := telemetry.File.With(ctx, uri)
|
|
|
|
for _, view := range s.session.Views() {
|
|
if !view.Options().WatchFileChanges {
|
|
continue
|
|
}
|
|
switch change.Type {
|
|
case protocol.Changed, protocol.Created:
|
|
// If client has this file open, don't do anything.
|
|
// The client's contents must remain the source of truth.
|
|
if s.session.IsOpen(uri) {
|
|
break
|
|
}
|
|
if s.session.DidChangeOutOfBand(ctx, uri, change.Type) {
|
|
// If we had been tracking the given file,
|
|
// recompute diagnostics to reflect updated file contents.
|
|
go s.diagnostics(view, uri)
|
|
}
|
|
case protocol.Deleted:
|
|
f := view.FindFile(ctx, uri)
|
|
// If we have never seen this file before, there is nothing to do.
|
|
if f == nil {
|
|
continue
|
|
}
|
|
_, cphs, err := view.CheckPackageHandles(ctx, f)
|
|
if err != nil {
|
|
log.Error(ctx, "didChangeWatchedFiles: CheckPackageHandles", err, telemetry.File)
|
|
continue
|
|
}
|
|
cph, err := source.WidestCheckPackageHandle(cphs)
|
|
if err != nil {
|
|
log.Error(ctx, "didChangeWatchedFiles: WidestCheckPackageHandle", err, telemetry.File)
|
|
continue
|
|
}
|
|
// Find a different file in the same package we can use to trigger diagnostics.
|
|
// TODO(rstambler): Allow diagnostics to be called per-package to avoid this.
|
|
var otherFile source.File
|
|
for _, ph := range cph.Files() {
|
|
if ph.File().Identity().URI == f.URI() {
|
|
continue
|
|
}
|
|
if f := view.FindFile(ctx, ph.File().Identity().URI); f != nil && s.session.IsOpen(f.URI()) {
|
|
otherFile = f
|
|
break
|
|
}
|
|
}
|
|
|
|
// Notify the view of the deletion of the file.
|
|
s.session.DidChangeOutOfBand(ctx, uri, change.Type)
|
|
|
|
// If this was the only file in the package, clear its diagnostics.
|
|
if otherFile == nil {
|
|
if err := s.publishDiagnostics(ctx, uri, []source.Diagnostic{}); err != nil {
|
|
log.Error(ctx, "failed to clear diagnostics", err, telemetry.URI.Of(uri))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Refresh diagnostics for the package the file belonged to.
|
|
go s.diagnostics(view, otherFile.URI())
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|