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go/internal/lsp/link.go
Ian Cottrell b9584148ef internal/lsp: add structured layers to the cache
This is primarily to separate the levels because they have different cache
lifetimes and sharability.
This will allow us to share results between views and even between servers.

Change-Id: I280ca19d17a6ea8a15e48637d4445e2b6cf04769
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177518
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-16 21:30:38 +00:00

46 lines
1.1 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 lsp
import (
"context"
"strconv"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/span"
)
func (s *Server) documentLink(ctx context.Context, params *protocol.DocumentLinkParams) ([]protocol.DocumentLink, error) {
uri := span.NewURI(params.TextDocument.URI)
view := s.session.ViewOf(uri)
f, m, err := getGoFile(ctx, view, uri)
if err != nil {
return nil, err
}
// find the import block
ast := f.GetAST(ctx)
var result []protocol.DocumentLink
for _, imp := range ast.Imports {
spn, err := span.NewRange(f.GetFileSet(ctx), imp.Pos(), imp.End()).Span()
if err != nil {
return nil, err
}
rng, err := m.Range(spn)
if err != nil {
return nil, err
}
target, err := strconv.Unquote(imp.Path.Value)
if err != nil {
continue
}
target = "https://godoc.org/" + target
result = append(result, protocol.DocumentLink{
Range: rng,
Target: target,
})
}
return result, nil
}