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go/internal/lsp/symbols.go
Rebecca Stambler 252024b829 internal/lsp: separate refactorings out of memoization CL
This change just separates minor changes made along the course of the
memoization CL out into their own change. This will clean up the diffs
in the memoization CL.

Change-Id: I7d59e05ba6472af5f1bf516b1e5b879a5815b9a5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183250
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-25 16:04:30 +00:00

77 lines
2.0 KiB
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) documentSymbol(ctx context.Context, params *protocol.DocumentSymbolParams) ([]protocol.DocumentSymbol, 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
}
symbols, err := source.DocumentSymbols(ctx, f)
if err != nil {
return nil, err
}
return toProtocolDocumentSymbols(m, symbols), nil
}
func toProtocolDocumentSymbols(m *protocol.ColumnMapper, symbols []source.Symbol) []protocol.DocumentSymbol {
result := make([]protocol.DocumentSymbol, 0, len(symbols))
for _, s := range symbols {
ps := protocol.DocumentSymbol{
Name: s.Name,
Kind: toProtocolSymbolKind(s.Kind),
Detail: s.Detail,
Children: toProtocolDocumentSymbols(m, s.Children),
}
if r, err := m.Range(s.Span); err == nil {
ps.Range = r
}
if r, err := m.Range(s.SelectionSpan); err == nil {
ps.SelectionRange = r
}
result = append(result, ps)
}
return result
}
func toProtocolSymbolKind(kind source.SymbolKind) protocol.SymbolKind {
switch kind {
case source.StructSymbol:
return protocol.Struct
case source.PackageSymbol:
return protocol.Package
case source.VariableSymbol:
return protocol.Variable
case source.ConstantSymbol:
return protocol.Constant
case source.FunctionSymbol:
return protocol.Function
case source.MethodSymbol:
return protocol.Method
case source.InterfaceSymbol:
return protocol.Interface
case source.NumberSymbol:
return protocol.Number
case source.StringSymbol:
return protocol.String
case source.BooleanSymbol:
return protocol.Boolean
case source.FieldSymbol:
return protocol.Field
default:
return 0
}
}