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7e59e591a2
Add SignatureHelp functionality to source package. Tests will be added in a subsequent change. Change-Id: Ia43280946d96a984c5741273a00c12255d637b2a Reviewed-on: https://go-review.googlesource.com/c/149177 Reviewed-by: Ian Cottrell <iancottrell@google.com> Run-TryBot: Rebecca Stambler <rstambler@golang.org>
34 lines
950 B
Go
34 lines
950 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package lsp
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import (
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"golang.org/x/tools/internal/lsp/protocol"
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"golang.org/x/tools/internal/lsp/source"
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)
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func toProtocolSignatureHelp(info *source.SignatureInformation) *protocol.SignatureHelp {
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return &protocol.SignatureHelp{
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ActiveParameter: float64(info.ActiveParameter),
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ActiveSignature: 0, // there is only ever one possible signature
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Signatures: []protocol.SignatureInformation{
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{
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Label: info.Label,
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Parameters: toProtocolParameterInformation(info.Parameters),
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},
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},
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}
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}
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func toProtocolParameterInformation(info []source.ParameterInformation) []protocol.ParameterInformation {
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var result []protocol.ParameterInformation
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for _, p := range info {
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result = append(result, protocol.ParameterInformation{
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Label: p.Label,
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})
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}
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return result
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}
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