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go/internal/lsp/source/view.go
Rebecca Stambler 85a09cd5ed internal/lsp: set file contents through the source.View, not File
Refactor code as a follow-up to
https://go-review.googlesource.com/c/tools/+/154742.
Also, change every instance of "source.URI()" to "fromProtocolURI", so
that we can add a better implementation of that later on (for Windows
support).

Change-Id: Ifa24ffd7e1aebf1f7d05df6f65742769ead0922f
Reviewed-on: https://go-review.googlesource.com/c/154741
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-21 19:33:31 +00:00

51 lines
1.5 KiB
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 source
import (
"context"
"go/ast"
"go/token"
"golang.org/x/tools/go/packages"
)
// View abstracts the underlying architecture of the package using the source
// package. The view provides access to files and their contents, so the source
// package does not directly access the file system.
type View interface {
GetFile(ctx context.Context, uri URI) (File, error)
SetContent(ctx context.Context, uri URI, content []byte) (View, error)
FileSet() *token.FileSet
}
// File represents a Go source file that has been type-checked. It is the input
// to most of the exported functions in this package, as it wraps up the
// building blocks for most queries. Users of the source package can abstract
// the loading of packages into their own caching systems.
type File interface {
GetAST() (*ast.File, error)
GetFileSet() (*token.FileSet, error)
GetPackage() (*packages.Package, error)
GetToken() (*token.File, error)
Read() ([]byte, error)
}
// Range represents a start and end position.
// Because Range is based purely on two token.Pos entries, it is not self
// contained. You need access to a token.FileSet to regain the file
// information.
type Range struct {
Start token.Pos
End token.Pos
}
// TextEdit represents a change to a section of a document.
// The text within the specified range should be replaced by the supplied new text.
type TextEdit struct {
Range Range
NewText string
}