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refactor: dynamically allocate LSP client handles

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This commit is contained in:
CJ van den Berg 2025-07-19 00:05:02 +02:00
parent efdad96054
commit 5d256413da
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
2 changed files with 33 additions and 18 deletions
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26
src/LSP.zig
View file

@ -17,22 +17,34 @@ const OutOfMemoryError = error{OutOfMemory};
const SendError = error{SendFailed};
const SpawnError = error{ThespianSpawnFailed};
pub fn open(allocator: std.mem.Allocator, project: []const u8, cmd: tp.message) (error{ ThespianSpawnFailed, InvalidLspCommand } || cbor.Error)!Self {
return .{ .allocator = allocator, .pid = try Process.create(allocator, project, cmd) };
pub fn open(
allocator: std.mem.Allocator,
project: []const u8,
cmd: tp.message,
) (error{ ThespianSpawnFailed, InvalidLspCommand } || cbor.Error)!*const Self {
const self = try allocator.create(Self);
errdefer allocator.destroy(self);
self.* = .{
.allocator = allocator,
.pid = try Process.create(allocator, project, cmd),
};
return self;
}
pub fn deinit(self: Self) void {
pub fn deinit(self: *const Self) void {
self.pid.send(.{"close"}) catch {};
self.pid.deinit();
self.allocator.destroy(self);
}
pub fn term(self: Self) void {
pub fn term(self: *const Self) void {
self.pid.send(.{"term"}) catch {};
self.pid.deinit();
self.allocator.destroy(self);
}
pub fn send_request(
self: Self,
self: *const Self,
allocator: std.mem.Allocator,
method: []const u8,
m: anytype,
@ -44,14 +56,14 @@ pub fn send_request(
return RequestContext(@TypeOf(ctx)).send(allocator, self.pid.ref(), ctx, tp.message.fmt(.{ "REQ", method, cb.items }));
}
pub fn send_notification(self: Self, method: []const u8, m: anytype) (OutOfMemoryError || SendError)!void {
pub fn send_notification(self: *const Self, method: []const u8, m: anytype) (OutOfMemoryError || SendError)!void {
var cb = std.ArrayList(u8).init(self.allocator);
defer cb.deinit();
try cbor.writeValue(cb.writer(), m);
return self.send_notification_raw(method, cb.items);
}
pub fn send_notification_raw(self: Self, method: []const u8, cb: []const u8) SendError!void {
pub fn send_notification_raw(self: *const Self, method: []const u8, cb: []const u8) SendError!void {
self.pid.send(.{ "NTFY", method, cb }) catch return error.SendFailed;
}

23
src/Project.zig
View file

@ -19,8 +19,8 @@ files: std.ArrayListUnmanaged(File) = .empty,
pending: std.ArrayListUnmanaged(File) = .empty,
longest_file_path: usize = 0,
open_time: i64,
language_servers: std.StringHashMap(LSP),
file_language_server: std.StringHashMap(LSP),
language_servers: std.StringHashMap(*const LSP),
file_language_server: std.StringHashMap(*const LSP),
tasks: std.ArrayList(Task),
persistent: bool = false,
logger: log.Logger,
@ -74,8 +74,8 @@ pub fn init(allocator: std.mem.Allocator, name: []const u8) OutOfMemoryError!Sel
.allocator = allocator,
.name = try allocator.dupe(u8, name),
.open_time = std.time.milliTimestamp(),
.language_servers = std.StringHashMap(LSP).init(allocator),
.file_language_server = std.StringHashMap(LSP).init(allocator),
.language_servers = std.StringHashMap(*const LSP).init(allocator),
.file_language_server = std.StringHashMap(*const LSP).init(allocator),
.tasks = std.ArrayList(Task).init(allocator),
.logger = log.logger("project"),
.logger_lsp = log.logger("lsp"),
@ -261,11 +261,14 @@ pub fn restore_state_v0(self: *Self, data: []const u8) error{
}
}
fn get_language_server_instance(self: *Self, language_server: []const u8) StartLspError!LSP {
fn get_language_server_instance(self: *Self, language_server: []const u8) StartLspError!*const LSP {
if (self.language_servers.get(language_server)) |lsp| {
if (!lsp.pid.expired()) return lsp;
lsp.deinit();
if (lsp.pid.expired()) {
_ = self.language_servers.remove(language_server);
lsp.deinit();
} else {
return lsp;
}
}
const lsp = try LSP.open(self.allocator, self.name, .{ .buf = language_server });
errdefer lsp.deinit();
@ -279,7 +282,7 @@ fn get_language_server_instance(self: *Self, language_server: []const u8) StartL
return lsp;
}
fn get_or_start_language_server(self: *Self, file_path: []const u8, language_server: []const u8) StartLspError!LSP {
fn get_or_start_language_server(self: *Self, file_path: []const u8, language_server: []const u8) StartLspError!*const LSP {
const lsp = self.file_language_server.get(file_path) orelse blk: {
const new_lsp = try self.get_language_server_instance(language_server);
const key = try self.allocator.dupe(u8, file_path);
@ -289,7 +292,7 @@ fn get_or_start_language_server(self: *Self, file_path: []const u8, language_ser
return lsp;
}
fn get_language_server(self: *Self, file_path: []const u8) LspError!LSP {
fn get_language_server(self: *Self, file_path: []const u8) LspError!*const LSP {
const lsp = self.file_language_server.get(file_path) orelse return error.NoLsp;
if (lsp.pid.expired()) {
if (self.file_language_server.fetchRemove(file_path)) |kv|
@ -1510,7 +1513,7 @@ pub fn send_lsp_response(self: *Self, from: tp.pid_ref, cbor_id: []const u8, res
from.send_raw(.{ .buf = cb.items }) catch return error.ClientFailed;
}
fn send_lsp_init_request(self: *Self, lsp: LSP, project_path: []const u8, project_basename: []const u8, project_uri: []const u8, language_server: []const u8) !void {
fn send_lsp_init_request(self: *Self, lsp: *const LSP, project_path: []const u8, project_basename: []const u8, project_uri: []const u8, language_server: []const u8) !void {
const handler: struct {
language_server: []const u8,
lsp: LSP,