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// Copyright 2020 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 server
import (
"context"
"golang.org/x/tools/gopls/internal/file"
"golang.org/x/tools/gopls/internal/golang"
"golang.org/x/tools/gopls/internal/protocol"
"golang.org/x/tools/internal/event"
)
func (s *server) PrepareCallHierarchy(ctx context.Context, params *protocol.CallHierarchyPrepareParams) ([]protocol.CallHierarchyItem, error) {
ctx, done := event.Start(ctx, "lsp.Server.prepareCallHierarchy")
defer done()
fh, snapshot, release, err := s.fileOf(ctx, params.TextDocument.URI)
if err != nil {
return nil, err
}
defer release()
if snapshot.FileKind(fh) != file.Go {
return nil, nil // empty result
}
return golang.PrepareCallHierarchy(ctx, snapshot, fh, params.Position)
}
func (s *server) IncomingCalls(ctx context.Context, params *protocol.CallHierarchyIncomingCallsParams) ([]protocol.CallHierarchyIncomingCall, error) {
ctx, done := event.Start(ctx, "lsp.Server.incomingCalls")
defer done()
fh, snapshot, release, err := s.fileOf(ctx, params.Item.URI)
if err != nil {
return nil, err
}
defer release()
if snapshot.FileKind(fh) != file.Go {
return nil, nil // empty result
}
return golang.IncomingCalls(ctx, snapshot, fh, params.Item.Range.Start)
}
func (s *server) OutgoingCalls(ctx context.Context, params *protocol.CallHierarchyOutgoingCallsParams) ([]protocol.CallHierarchyOutgoingCall, error) {
ctx, done := event.Start(ctx, "lsp.Server.outgoingCalls")
defer done()
fh, snapshot, release, err := s.fileOf(ctx, params.Item.URI)
if err != nil {
return nil, err
}
defer release()
if snapshot.FileKind(fh) != file.Go {
return nil, nil // empty result
}
return golang.OutgoingCalls(ctx, snapshot, fh, params.Item.Range.Start)
}
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