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go/internal/lsp/rename.go
Rebecca Stambler 35ba81b9fb internal/lsp: reorganize and refactor code
This change cleans up internal/lsp/source/view.go to have a more logical
ordering and deletes the view.CheckPackageHandle function. Now, the only
way to get a CheckPackageHandle is through a snapshot (so all of the
corresponding edits).

Also, renamed fuzzy tests to fuzzymatch. Noticed this weird error when
debugging - I had golang.org/x/tools/internal/lsp/fuzzy in my module
cache and it conflicted with the test version.

Change-Id: Ib87836796a8e76e6b6ed1306c2a93e9a5db91cce
Reviewed-on: https://go-review.googlesource.com/c/tools/+/208099
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2019-11-21 02:33:28 +00:00

72 lines
1.9 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/span"
)
func (s *Server) rename(ctx context.Context, params *protocol.RenameParams) (*protocol.WorkspaceEdit, error) {
uri := span.NewURI(params.TextDocument.URI)
view, err := s.session.ViewOf(uri)
if err != nil {
return nil, err
}
snapshot := view.Snapshot()
f, err := view.GetFile(ctx, uri)
if err != nil {
return nil, err
}
ident, err := source.Identifier(ctx, snapshot, f, params.Position)
if err != nil {
return nil, err
}
edits, err := ident.Rename(ctx, params.NewName)
if err != nil {
return nil, err
}
var docChanges []protocol.TextDocumentEdit
for uri, e := range edits {
f, err := view.GetFile(ctx, uri)
if err != nil {
return nil, err
}
fh := ident.Snapshot.Handle(ctx, f)
docChanges = append(docChanges, documentChanges(fh, e)...)
}
return &protocol.WorkspaceEdit{
DocumentChanges: docChanges,
}, nil
}
func (s *Server) prepareRename(ctx context.Context, params *protocol.PrepareRenameParams) (*protocol.Range, error) {
uri := span.NewURI(params.TextDocument.URI)
view, err := s.session.ViewOf(uri)
if err != nil {
return nil, err
}
snapshot := view.Snapshot()
f, err := view.GetFile(ctx, uri)
if err != nil {
return nil, err
}
ident, err := source.Identifier(ctx, snapshot, f, params.Position)
if err != nil {
return nil, nil // ignore errors
}
// Do not return errors here, as it adds clutter.
// Returning a nil result means there is not a valid rename.
item, err := ident.PrepareRename(ctx)
if err != nil {
return nil, nil // ignore errors
}
// TODO(suzmue): return ident.Name as the placeholder text.
return &item.Range, nil
}