VS Code中如何显示LSP的相关信息

Question

我正在编写一个语言服务器。它提供了额外的 DiagnosticRelatedInformation as part of its diagnostics response. Just like in https://code.visualstudio.com/updates/v1_22#_related-information-in-errors-and-warnings。目前，虽然我确实看到 "Problems" window 和主文本区域中都显示了主要错误，但附加的 "relatedInformation" 无处可见。

我怀疑这可能有两个原因。任一客户端：VS Code 中未启用显示此信息的功能。至少在启动协议时，这种能力是无处可见的，这是来自客户端的初始JSON消息：

[Trace - 2:22:13 PM] Sending request 'initialize - (0)'.
Params: {
    "processId": 6640,
    "rootPath": null,
    "rootUri": null,
    "capabilities": {
        "workspace": {
            "applyEdit": true,
            "didChangeConfiguration": {
                "dynamicRegistration": true
            },
            "didChangeWatchedFiles": {
                "dynamicRegistration": true
            },
            "symbol": {
                "dynamicRegistration": true
            },
            "executeCommand": {
                "dynamicRegistration": true
            }
        },
        "textDocument": {
            "synchronization": {
                "dynamicRegistration": true,
                "willSave": true,
                "willSaveWaitUntil": true,
                "didSave": true
            },
            "completion": {
                "dynamicRegistration": true,
                "completionItem": {
                    "snippetSupport": true,
                    "commitCharactersSupport": true
                }
            },
            "hover": {
                "dynamicRegistration": true
            },
            "signatureHelp": {
                "dynamicRegistration": true
            },
            "definition": {
                "dynamicRegistration": true
            },
            "references": {
                "dynamicRegistration": true
            },
            "documentHighlight": {
                "dynamicRegistration": true
            },
            "documentSymbol": {
                "dynamicRegistration": true
            },
            "codeAction": {
                "dynamicRegistration": true
            },
            "codeLens": {
                "dynamicRegistration": true
            },
            "formatting": {
                "dynamicRegistration": true
            },
            "rangeFormatting": {
                "dynamicRegistration": true
            },
            "onTypeFormatting": {
                "dynamicRegistration": true
            },
            "rename": {
                "dynamicRegistration": true
            },
            "documentLink": {
                "dynamicRegistration": true
            }
        }
    },
    "trace": "verbose"
}

顺便说一句，我在 Win10 上使用 VS Code 1.28.2。

另一个原因可能是服务器端：包含诊断的响应可能格式不正确。它看起来像这样：

Params: {
    "diagnostics": [
        {
            "code": null,
            "message": "the declaration of 'x' shadows an existing declaration",
            "range": {
                "end": {
                    "character": 17,
                    "line": 8
                },
                "start": {
                    "character": 17,
                    "line": 8
                }
            },
            "relatedInformation": [
                {
                    "location": {
                        "uri": "file:///c%3A/Users/blabla/XlocalShadow3.blc",
                        "range": {
                            "end": {
                                "character": 13,
                                "line": 6
                            },
                            "start": {
                                "character": 13,
                                "line": 6
                            }
                        }
                    },
                    "message": "existing declaration"
                },
                {
                    "location": {
                        "uri": "file:///c%3A/Users/blabla/XlocalShadow3.blc",
                        "range": {
                            "end": {
                                "character": 17,
                                "line": 8
                            },
                            "start": {
                                "character": 17,
                                "line": 8
                            }
                        }
                    },
                    "message": "shadowing declaration"
                }
            ],
            "severity": {
                "_tag": 0
            },
            "source": "Parsing Error"
        }
    ],
    "uri": "file:///c%3A/Users/blabla/XlocalShadow3.blc"
}

至少 URI 是正确的（虽然为了便于阅读而在此处进行了修改）因为我可以单击它们并且编辑器会跳转到正确的文件。

我的问题是我不知道如何检验关于问题所在的一个或另一个假设。或者也许我错过了一些完全不同的东西？

Answer 1

问题只是 package.json 的依赖项部分中 vscode-languageclient 的过时版本。该功能是在 4.1.0 中实现的，但由于我的项目有点过时，它只需要 3.5 以上的东西。我现在已经更新到最新版本，一切正常。

VS Code中如何显示LSP的相关信息

How to display LSP's relatedInformation in VS Code

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