neurocyte/flow
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fix: crash on failed language server startup

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This commit is contained in:
CJ van den Berg 2025-10-22 10:12:35 +02:00
parent 724543f7a1
commit 4c156aa4b1
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
1 changed files with 23 additions and 22 deletions
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43
src/Project.zig
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@ -21,7 +21,7 @@ pending: std.ArrayListUnmanaged(File) = .empty,
longest_file_path: usize = 0,
open_time: i64,
language_servers: std.StringHashMap(*const LSP),
file_language_server: std.StringHashMap(*const LSP),
file_language_server_name: std.StringHashMap([]const u8),
tasks: std.ArrayList(Task),
persistent: bool = false,
logger: log.Logger,
@ -79,7 +79,7 @@ pub fn init(allocator: std.mem.Allocator, name: []const u8) OutOfMemoryError!Sel
.name = try allocator.dupe(u8, name),
.open_time = std.time.milliTimestamp(),
.language_servers = std.StringHashMap(*const LSP).init(allocator),
.file_language_server = std.StringHashMap(*const LSP).init(allocator),
.file_language_server_name = std.StringHashMap([]const u8).init(allocator),
.tasks = .empty,
.logger = log.logger("project"),
.logger_lsp = log.logger("lsp"),
@ -91,9 +91,10 @@ pub fn deinit(self: *Self) void {
if (self.walker) |pid| pid.send(.{"stop"}) catch {};
if (self.workspace) |p| self.allocator.free(p);
if (self.branch) |p| self.allocator.free(p);
var i_ = self.file_language_server.iterator();
var i_ = self.file_language_server_name.iterator();
while (i_.next()) |p| {
self.allocator.free(p.key_ptr.*);
self.allocator.free(p.value_ptr.*);
}
var i = self.language_servers.iterator();
while (i.next()) |p| {
@ -274,15 +275,19 @@ pub fn restore_state_v0(self: *Self, data: []const u8) error{
}
}
fn get_language_server_instance(self: *Self, language_server: []const u8) StartLspError!*const LSP {
fn get_existing_language_server(self: *Self, language_server: []const u8) ?*const LSP {
if (self.language_servers.get(language_server)) |lsp| {
if (lsp.pid.expired()) {
_ = self.language_servers.remove(language_server);
lsp.deinit();
} else {
return lsp;
if (!lsp.pid.expired()) return lsp;
if (self.language_servers.fetchRemove(language_server)) |kv| {
self.allocator.free(kv.key);
kv.value.deinit();
}
}
return null;
}
fn get_language_server_instance(self: *Self, language_server: []const u8) StartLspError!*const LSP {
if (self.get_existing_language_server(language_server)) |lsp| return lsp;
const lsp = try LSP.open(self.allocator, self.name, .{ .buf = language_server });
errdefer lsp.deinit();
const uri = try self.make_URI(null);
@ -290,29 +295,25 @@ fn get_language_server_instance(self: *Self, language_server: []const u8) StartL
const basename_begin = std.mem.lastIndexOfScalar(u8, self.name, std.fs.path.sep);
const basename = if (basename_begin) |begin| self.name[begin + 1 ..] else self.name;
errdefer lsp.deinit();
try self.send_lsp_init_request(lsp, self.name, basename, uri, language_server);
try self.language_servers.put(try self.allocator.dupe(u8, language_server), lsp);
return 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);
if (self.file_language_server_name.get(file_path)) |lsp_name|
return self.get_existing_language_server(lsp_name) orelse error.LspFailed;
const lsp = try self.get_language_server_instance(language_server);
const key = try self.allocator.dupe(u8, file_path);
try self.file_language_server.put(key, new_lsp);
break :blk new_lsp;
};
const value = try self.allocator.dupe(u8, language_server);
try self.file_language_server_name.put(key, value);
return 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|
self.allocator.free(kv.key);
return error.LspFailed;
}
return lsp;
const lsp_name = self.file_language_server_name.get(file_path) orelse return error.NoLsp;
return self.get_existing_language_server(lsp_name) orelse error.LspFailed;
}
fn make_URI(self: *Self, file_path: ?[]const u8) LspError![]const u8 {