mirror of
https://github.com/golang/go
synced 2024-11-18 18:44:42 -07:00
b667c4c58e
This change removes the need for the ast and token fields on the *goFile object. We switch to using source.ParseGoHandles on the package, which means that we can easily access both the AST and token via the package, which is already cached. Change-Id: I5f78bbe09362f4d95eb15556617bdbd809a7a55d Reviewed-on: https://go-review.googlesource.com/c/tools/+/185878 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Cottrell <iancottrell@google.com>
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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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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tok, err := f.GetToken(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(), f.URI().Filename(), f.FileSet(), tok, 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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