| // 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" |
| "fmt" |
| |
| "golang.org/x/tools/internal/lsp/protocol" |
| "golang.org/x/tools/internal/lsp/source" |
| "golang.org/x/tools/internal/span" |
| ) |
| |
| func getSourceFile(ctx context.Context, v source.View, uri span.URI) (source.File, *protocol.ColumnMapper, error) { |
| f, err := v.GetFile(ctx, uri) |
| if err != nil { |
| return nil, nil, err |
| } |
| filename, err := f.URI().Filename() |
| if err != nil { |
| return nil, nil, err |
| } |
| fc := f.Content(ctx) |
| if fc.Error != nil { |
| return nil, nil, fc.Error |
| } |
| m := protocol.NewColumnMapper(f.URI(), filename, f.FileSet(), f.GetToken(ctx), fc.Data) |
| |
| return f, m, nil |
| } |
| |
| func getGoFile(ctx context.Context, v source.View, uri span.URI) (source.GoFile, *protocol.ColumnMapper, error) { |
| f, m, err := getSourceFile(ctx, v, uri) |
| if err != nil { |
| return nil, nil, err |
| } |
| gof, ok := f.(source.GoFile) |
| if !ok { |
| return nil, nil, fmt.Errorf("not a Go file %v", f.URI()) |
| } |
| return gof, m, nil |
| } |