blob: 427ff0780c61d0329ab823d865b6f30fd018d305 [file] [log] [blame]
// 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
}