#ifndef _LSP_H_
#define _LSP_H_

/* Ref: https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/ */

typedef enum lsp_error_enum {
    // Defined by JSON-RPC
    LSP_ERR_ParseError = -32700,
    LSP_ERR_InvalidRequest = -32600,
    LSP_ERR_MethodNotFound = -32601,
    LSP_ERR_InvalidParams = -32602,
    LSP_ERR_InternalError = -32603,

    /**
     * This is the start range of JSON-RPC reserved error codes.
     * It doesn't denote a real error code. No LSP error codes should
     * be defined between the start and end range. For backwards
     * compatibility the `ServerNotInitialized` and the `UnknownErrorCode`
     * are left in the range.
     *
     * @since 3.16.0
     */
    LSP_ERR_jsonrpcReservedErrorRangeStart = -32099,
    /**
     * Error code indicating that a server received a notification or
     * request before the server received the `initialize` request.
     */
    LSP_ERR_ServerNotInitialized = -32002,
    LSP_ERR_UnknownErrorCode = -32001,

    /**
     * This is the end range of JSON-RPC reserved error codes.
     * It doesn't denote a real error code.
     *
     * @since 3.16.0
     */
    LSP_ERR_jsonrpcReservedErrorRangeEnd = -32000,

    /**
     * This is the start range of LSP reserved error codes.
     * It doesn't denote a real error code.
     *
     * @since 3.16.0
     */
    LSP_ERR_lspReservedErrorRangeStart = -32899,

    /**
     * A request failed but it was syntactically correct, e.g the
     * method name was known and the parameters were valid. The error
     * message should contain human readable information about why
     * the request failed.
     *
     * @since 3.17.0
     */
    LSP_ERR_RequestFailed = -32803,

    /**
     * The server cancelled the request. This error code should
     * only be used for requests that explicitly support being
     * server cancellable.
     *
     * @since 3.17.0
     */
    LSP_ERR_ServerCancelled = -32802,

    /**
     * The server detected that the content of a document got
     * modified outside normal conditions. A server should
     * NOT send this error code if it detects a content change
     * in its unprocessed messages. The result even computed
     * on an older state might still be useful for the client.
     *
     * If a client decides that a result is not of any use anymore
     * the client should cancel the request.
     */
    LSP_ERR_ContentModified = -32801,

    /**
     * The client has canceled a request and a server has detected
     * the cancel.
     */
    LSP_ERR_RequestCancelled = -32800,
} lsp_error_e;

#endif /* _LSP_H_ */