Fix memory leaks

source/ona/kym.zig

@@ -142,8 +142,17 @@ pub const RuntimeEnv = struct {
 
 			coral.debug.assert(frame != null);
 
-			coral.debug.assert(self.local_refs.drop(
-				(self.local_refs.values.len - frame.?.locals_top) + frame.?.arg_count));
+			{
+				var pops_remaining = (self.local_refs.values.len - frame.?.locals_top) + frame.?.arg_count;
+
+				while (pops_remaining != 0) : (pops_remaining -= 1) {
+					const local = self.local_refs.pop();
+
+					coral.debug.assert(local != null);
+
+					self.discard(local.?);
+				}
+			}
 		}
 
 		return caller.invoke(self);
@@ -160,7 +169,13 @@ pub const RuntimeEnv = struct {
 		if (ref_data.ref_count == 0) {
 			switch (ref_data.object) {
 				.string => |string| self.allocator.deallocate(string),
-				.dynamic => |virtual| self.allocator.deallocate(virtual),
+
+				.dynamic => |dynamic| {
+					dynamic.typeinfo.clean(self, dynamic.userdata);
+					self.allocator.deallocate(dynamic.userdata);
+					self.allocator.deallocate(dynamic);
+				},
+
 				else => {},
 			}
 		} else {
@@ -208,6 +223,12 @@ pub const RuntimeEnv = struct {
 	}
 
 	pub fn free(self: *RuntimeEnv) void {
+		for (self.local_refs.values) |ref| {
+			self.discard(ref);
+		}
+
+		self.frames.free();
+		self.syscallers.free();
 		self.local_refs.free();
 		self.ref_values.free();
 	}
@@ -362,7 +383,7 @@ pub const TestContext = struct {
 pub const Typeinfo = struct {
 	name: []const coral.io.Byte,
 	call: *const fn (env: *RuntimeEnv) RuntimeError!?*RuntimeRef = default_call,
-	clean: *const fn (userdata: []coral.io.Byte) void = default_clean,
+	clean: *const fn (env: *RuntimeEnv, userdata: []coral.io.Byte) void = default_clean,
 	get: *const fn (context: IndexContext) RuntimeError!?*RuntimeRef = default_get,
 	set: *const fn (context: IndexContext, value: ?*const RuntimeRef) RuntimeError!void = default_set,
 	test_difference: *const fn (context: TestContext) RuntimeError!Float = default_test_difference,
@@ -372,7 +393,7 @@ pub const Typeinfo = struct {
 		return env.raise(error.TypeMismatch, "object is not callable");
 	}
 
-	fn default_clean(_: []coral.io.Byte) void {
+	fn default_clean(_: *RuntimeEnv, _: []coral.io.Byte) void {
 		// Nothing to clean by default.
 	}
 
@@ -473,13 +494,7 @@ pub fn set_field(
 	return set(env, indexable_ref, field_name_ref, value_ref);
 }
 
-pub fn new_table(env: *RuntimeEnv) RuntimeError!?*RuntimeRef {
-	var table = Table.make(env);
-
-	errdefer table.free();
-
-	return try env.new_dynamic(coral.io.bytes_of(&table), &Table.typeinfo);
-}
+pub const new_table = Table.new;
 
 pub fn test_difference(env: *RuntimeEnv, lhs_ref: ?*const RuntimeRef, rhs_ref: ?*const RuntimeRef) RuntimeError!Float {
 	return switch (env.unbox(lhs_ref)) {

source/ona/kym/Chunk.zig

@@ -211,8 +211,6 @@ pub fn as_caller(self: *Self) kym.Caller {
 }
 
 pub fn compile_ast(self: *Self, ast: Ast) kym.RuntimeError!void {
-	self.free();
-
 	try self.constant_refs.grow(coral.math.max_int(@typeInfo(u16).Int));
 
 	var compiler = AstCompiler{.chunk = self};

source/ona/kym/Table.zig

@@ -11,14 +11,16 @@ const FieldTable = coral.map.StringTable(struct {
 
 const Self = @This();
 
-pub fn free(self: *Self) void {
+pub fn new(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeRef {
+	var self = Self{
+		.fields = FieldTable.make(env.allocator),
+	};
+
+	errdefer {
 		self.fields.free();
 	}
 
-pub fn make(env: *kym.RuntimeEnv) Self {
-	return .{
-		.fields = FieldTable.make(env.allocator),
-	};
+	return try env.new_dynamic(coral.io.bytes_of(&self), &typeinfo);
 }
 
 pub const typeinfo = kym.Typeinfo{
@@ -28,8 +30,19 @@ pub const typeinfo = kym.Typeinfo{
 	.set = typeinfo_set,
 };
 
-fn typeinfo_clean(userdata: []u8) void {
-	@as(*Self, @ptrCast(@alignCast(userdata.ptr))).free();
+fn typeinfo_clean(env: *kym.RuntimeEnv, userdata: []coral.io.Byte) void {
+	const table = @as(*Self, @ptrCast(@alignCast(userdata.ptr)));
+
+	{
+		var field_iterable = table.fields.as_iterable();
+
+		while (field_iterable.next()) |entry| {
+			env.discard(entry.value.key_ref);
+			env.discard(entry.value.value_ref);
+		}
+	}
+
+	table.fields.free();
 }
 
 fn typeinfo_get(context: kym.IndexContext) kym.RuntimeError!?*kym.RuntimeRef {