laburnum 1.17.1

// Copyright Two Neutron Stars Incorporated and contributors
// SPDX-License-Identifier: BlueOak-1.0.0

//! In this module we only define constants for lsp specific error codes.
//! There are other error codes that are defined in the
//! [JSON RPC specification](https://www.jsonrpc.org/specification#error_object).

use {
  crate::protocol::macros::lsp_enum,
  serde::{
    Deserialize,
    Serialize,
  },
};

#[derive(
  Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize,
)]
#[serde(transparent)]
pub struct ErrorCode(i32);

lsp_enum! {
    impl ErrorCode {
        /// Defined in the LSP specification but in the range reserved for JSON-RPC error codes,
        /// namely the -32099 to -32000 "Reserved for implementation-defined server-errors." range.
        /// The code has, nonetheless, been left in this range for backwards compatibility reasons.
        const SERVER_NOT_INITIALIZED = -32002;

        /// Defined in the LSP specification but in the range reserved for JSON-RPC error codes,
        /// namely the -32099 to -32000 "Reserved for implementation-defined server-errors." range.
        /// The code has, nonetheless, left in this range for backwards compatibility reasons.
        const UNKNOWN_ERROR_CODE = -32001;

        /// This is the start range of LSP reserved error codes.
        /// It doesn't denote a real error code.
        ///
        /// @since 3.16.0
        const LSP_RESERVED_ERROR_RANGE_START = -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
        const REQUEST_FAILED = -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
        const SERVER_CANCELLED = -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 it 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.
        const CONTENT_MODIFIED = -32801;

        /// The client has canceled a request and a server as detected
        /// the cancel.
        const REQUEST_CANCELLED = -32800;

    }
}

/// This is the end range of LSP reserved error codes.
/// It doesn't denote a real error code.
///
/// @since 3.16.0
pub const LSP_RESERVED_ERROR_RANGE_END: ErrorCode = ErrorCode(-32800);