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go/internal/lsp/implementation.go
Rebecca Stambler bc1376d635 internal/lsp: look up files in packages by position instead of URI
This change makes sure that we only return files that contain the given
position. There are a few instances of needing to look up files by URI
in the internal/lsp/cache package, so use an unexported package for
that. This allows us to remove some code in the implementations code.

Change-Id: Ifa7a62c67271826e6c632e4c88667d60f8b760c4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/206880
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
2019-11-13 16:34:02 +00:00

28 lines
728 B
Go

// 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"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/span"
)
func (s *Server) implementation(ctx context.Context, params *protocol.ImplementationParams) ([]protocol.Location, error) {
uri := span.NewURI(params.TextDocument.URI)
view := s.session.ViewOf(uri)
f, err := view.GetFile(ctx, uri)
if err != nil {
return nil, err
}
ident, err := source.Identifier(ctx, view, f, params.Position)
if err != nil {
return nil, err
}
return ident.Implementation(ctx)
}