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https://github.com/golang/go
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c9403068c1
Prepare rename gets the range of the identifier to rename. Returns an error when there is no identifier to rename. Change-Id: I5e5865bc9ff97e6a95ac4f0c48edddcfd0f9ed67 Reviewed-on: https://go-review.googlesource.com/c/tools/+/191170 Run-TryBot: Suzy Mueller <suzmue@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
// 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 lsp
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import (
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"context"
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"golang.org/x/tools/internal/lsp/protocol"
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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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func (s *Server) rename(ctx context.Context, params *protocol.RenameParams) (*protocol.WorkspaceEdit, error) {
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uri := span.NewURI(params.TextDocument.URI)
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view := s.session.ViewOf(uri)
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f, err := getGoFile(ctx, view, uri)
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if err != nil {
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return nil, err
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}
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ident, err := source.Identifier(ctx, view, f, params.Position)
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if err != nil {
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return nil, err
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}
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edits, err := ident.Rename(ctx, view, params.NewName)
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if err != nil {
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return nil, err
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}
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changes := make(map[string][]protocol.TextEdit)
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for uri, textEdits := range edits {
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f, err := getGoFile(ctx, view, uri)
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if err != nil {
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return nil, err
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}
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m, err := getMapper(ctx, f)
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if err != nil {
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return nil, err
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}
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protocolEdits, err := source.ToProtocolEdits(m, textEdits)
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if err != nil {
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return nil, err
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}
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changes[string(uri)] = protocolEdits
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}
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return &protocol.WorkspaceEdit{Changes: &changes}, nil
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}
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func (s *Server) prepareRename(ctx context.Context, params *protocol.TextDocumentPositionParams) (*protocol.Range, error) {
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uri := span.NewURI(params.TextDocument.URI)
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view := s.session.ViewOf(uri)
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f, err := getGoFile(ctx, view, uri)
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if err != nil {
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return nil, err
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}
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m, err := getMapper(ctx, f)
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if err != nil {
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return nil, err
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}
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// Find the identifier at the position.
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ident, err := source.PrepareRename(ctx, view, f, params.Position)
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if err != nil {
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// Do not return the errors here, as it adds clutter.
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// Returning a nil result means there is not a valid rename.
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return nil, nil
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}
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identSpn, err := ident.Range.Span()
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if err != nil {
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return nil, err
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}
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identRng, err := m.Range(identSpn)
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if err != nil {
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return nil, err
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}
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// TODO(suzmue): return ident.Name as the placeholder text.
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return &identRng, nil
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}
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