无法初始化语言服务器协议

Question

我在玩 LSP，我无法通过第一阶段。我使用 Python 作为客户端语言，因为它易于使用。我所做的只是：

连接到 LSP - 这工作正常
发送初始化JSON RPC - 客户端报告成功
获取响应 - 空结果

我已经尽我所能，阅读我能找到的一切，但我没有成功。我希望有人更熟悉 LSP 来帮助我指出做错了什么。

这是我的 Python 代码。我尝试使用 PHP Language Server，但使用的服务器类型无关紧要。

import socket
import sys 

initReq = """
{
    "jsonrpc": "2.0",
    "id": 1,
    "method": " initialize",
    "params": {
        "processId": null,
        "rootPath": "/Users/stefano/Testing/PHPSources",
        "rootUri": "file:///Users/stefano/Testing/PHPSources",
        "capabilities": {
            "workspace": {
                "applyEdit": true,
                "workspaceEdit": {
                    "documentChanges": true,
                    "resourceOperations": [
                        "create",
                        "rename",
                        "delete"
                    ],
                    "failureHandling": "textOnlyTransactional"
                },
                "didChangeConfiguration": {
                    "dynamicRegistration": true
                },
                "didChangeWatchedFiles": {
                    "dynamicRegistration": true
                },
                "symbol": {
                    "dynamicRegistration": true,
                    "symbolKind": {
                        "valueSet": [
                            1,
                            2,
                            3,
                            4,
                            5,
                            6,
                            7,
                            8,
                            9,
                            10,
                            11,
                            12,
                            13,
                            14,
                            15,
                            16,
                            17,
                            18,
                            19,
                            20,
                            21,
                            22,
                            23,
                            24,
                            25,
                            26
                        ]
                    }
                },
                "executeCommand": {
                    "dynamicRegistration": true
                },
                "configuration": true,
                "workspaceFolders": true
            },
            "textDocument": {
                "publishDiagnostics": {
                    "relatedInformation": true,
                    "tagSupport": true
                },
                "synchronization": {
                    "dynamicRegistration": true,
                    "willSave": true,
                    "willSaveWaitUntil": true,
                    "didSave": true
                },
                "completion": {
                    "dynamicRegistration": true,
                    "contextSupport": true,
                    "completionItem": {
                        "snippetSupport": true,
                        "commitCharactersSupport": true,
                        "documentationFormat": [
                            "markdown",
                            "plaintext"
                        ],
                        "deprecatedSupport": true,
                        "preselectSupport": true
                    },
                    "completionItemKind": {
                        "valueSet": [
                            1,
                            2,
                            3,
                            4,
                            5,
                            6,
                            7,
                            8,
                            9,
                            10,
                            11,
                            12,
                            13,
                            14,
                            15,
                            16,
                            17,
                            18,
                            19,
                            20,
                            21,
                            22,
                            23,
                            24,
                            25
                        ]
                    }
                },
                "hover": {
                    "dynamicRegistration": true,
                    "contentFormat": [
                        "markdown",
                        "plaintext"
                    ]
                },
                "signatureHelp": {
                    "dynamicRegistration": true,
                    "signatureInformation": {
                        "documentationFormat": [
                            "markdown",
                            "plaintext"
                        ],
                        "parameterInformation": {
                            "labelOffsetSupport": true
                        }
                    }
                },
                "definition": {
                    "dynamicRegistration": true,
                    "linkSupport": true
                },
                "references": {
                    "dynamicRegistration": true
                },
                "documentHighlight": {
                    "dynamicRegistration": true
                },
                "documentSymbol": {
                    "dynamicRegistration": true,
                    "symbolKind": {
                        "valueSet": [
                            1,
                            2,
                            3,
                            4,
                            5,
                            6,
                            7,
                            8,
                            9,
                            10,
                            11,
                            12,
                            13,
                            14,
                            15,
                            16,
                            17,
                            18,
                            19,
                            20,
                            21,
                            22,
                            23,
                            24,
                            25,
                            26
                        ]
                    },
                    "hierarchicalDocumentSymbolSupport": true
                },
                "codeAction": {
                    "dynamicRegistration": true,
                    "codeActionLiteralSupport": {
                        "codeActionKind": {
                            "valueSet": [
                                "",
                                "quickfix",
                                "refactor",
                                "refactor.extract",
                                "refactor.inline",
                                "refactor.rewrite",
                                "source",
                                "source.organizeImports"
                            ]
                        }
                    }
                },
                "codeLens": {
                    "dynamicRegistration": true
                },
                "formatting": {
                    "dynamicRegistration": true
                },
                "rangeFormatting": {
                    "dynamicRegistration": true
                },
                "onTypeFormatting": {
                    "dynamicRegistration": true
                },
                "rename": {
                    "dynamicRegistration": true,
                    "prepareSupport": true
                },
                "documentLink": {
                    "dynamicRegistration": true
                },
                "typeDefinition": {
                    "dynamicRegistration": true,
                    "linkSupport": true
                },
                "implementation": {
                    "dynamicRegistration": true,
                    "linkSupport": true
                },
                "colorProvider": {
                    "dynamicRegistration": true
                },
                "foldingRange": {
                    "dynamicRegistration": true,
                    "rangeLimit": 5000,
                    "lineFoldingOnly": true
                },
                "declaration": {
                    "dynamicRegistration": true,
                    "linkSupport": true
                }
            }
        },
        "initializationOptions": {
            "storagePath": "/Users/hosanna/Library/Application Support/Code/User/workspaceStorage/30bd6a399166f4f329c9f383d63b74ca/bmewburn.vscode-intelephense-client",
            "clearCache": false
        },
        "trace": "verbose",
        "workspaceFolders": [
            {
                "uri": "file:///Users/stefano/Testing/PHPSources",
                "name": "TransportationApp"
            }
        ]
    }
}
"""

host = '127.0.0.1'
port = 8088

# create socket
print('# Creating socket')
try:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
except socket.error:
    print('Failed to create socket')
    sys.exit()

# Connect to remote server
print('# Connecting to server, ' + host)
s.connect((host , port))

# Send data to remote server
print('# Sending data to server')

try:
    s.sendall(initReq.encode('utf-8'))
except socket.error:
    print('Send failed')
    sys.exit()

# Receive data
print('# Receive data from server')
reply = s.recv(4096)

print(reply)

Answer 1

我遗漏了页眉部分及其相应的新行。感谢rcjsuen for helping on Github

供参考的格式应该是：

Content-Length: <length>\r\n
\r\n
{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "textDocument/didOpen",
    "params": {
        ...
    }
}

无法初始化语言服务器协议

Cannot Initialize Language Server Protocol

python

language-server-protocol