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go/internal/lsp/cache/file.go
Rebecca Stambler 2208e1677e internal/lsp: eliminate source.File type and move GetFile to snapshot
This change eliminates the extra step of calling GetFile on the view and
getting the FileHandle from the snapshot. It also eliminiates the
redundant source.File type. Follow up changes will clean up the file
kind handling, since it still exists on the fileBase type.

Change-Id: I635ab8632821b36e062be5151eaab425a5698f60
Reviewed-on: https://go-review.googlesource.com/c/tools/+/211778
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2019-12-19 20:51:25 +00:00

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1012 B
Go

// Copyright 2018 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 cache
import (
"go/token"
"path/filepath"
"strings"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/span"
)
// fileBase holds the common functionality for all files.
// It is intended to be embedded in the file implementations
type fileBase struct {
uris []span.URI
fname string
kind source.FileKind
view *view
}
func dir(filename string) string {
return strings.ToLower(filepath.Dir(filename))
}
func basename(filename string) string {
return strings.ToLower(filepath.Base(filename))
}
func (f *fileBase) URI() span.URI {
return f.uris[0]
}
func (f *fileBase) filename() string {
return f.fname
}
// View returns the view associated with the file.
func (f *fileBase) View() source.View {
return f.view
}
func (f *fileBase) FileSet() *token.FileSet {
return f.view.Session().Cache().FileSet()
}