mirror of
https://github.com/golang/go
synced 2024-11-18 22:34:45 -07:00
4d9ae51c24
On FileHandle Read now just returns the data hash and error This makes it more obvious that you should handle the error, rather than hiding it all in a struct. We also change the way we get and return content, the main source.File constructs now hold a FileHandle that then updates on invalidation Change-Id: I20be1b995355e948244342130eafec056df10081 Reviewed-on: https://go-review.googlesource.com/c/tools/+/180417 Reviewed-by: Rebecca Stambler <rstambler@golang.org>
45 lines
1.1 KiB
Go
45 lines
1.1 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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"fmt"
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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 getSourceFile(ctx context.Context, v source.View, uri span.URI) (source.File, *protocol.ColumnMapper, error) {
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f, err := v.GetFile(ctx, uri)
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if err != nil {
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return nil, nil, err
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}
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filename, err := f.URI().Filename()
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if err != nil {
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return nil, nil, err
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}
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data, _, err := f.Handle(ctx).Read(ctx)
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if err != nil {
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return nil, nil, err
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}
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m := protocol.NewColumnMapper(f.URI(), filename, f.FileSet(), f.GetToken(ctx), data)
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return f, m, nil
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}
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func getGoFile(ctx context.Context, v source.View, uri span.URI) (source.GoFile, *protocol.ColumnMapper, error) {
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f, m, err := getSourceFile(ctx, v, uri)
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if err != nil {
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return nil, nil, err
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}
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gof, ok := f.(source.GoFile)
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if !ok {
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return nil, nil, fmt.Errorf("not a Go file %v", f.URI())
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}
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return gof, m, nil
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}
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