DzLox

commit 50245c3c19db72a2761149ac6422e7ab2adf6831
parent 18b75d9d52446ca806468ff019c52fde9b1dd756
Author: Szymon Mikulicz <szymon.mikulicz@aptiv.com>
Date:   Sat,  3 Aug 2024 21:47:10 +0200

Update map hash when adding elements

Diffstat:
M
zlox/src/obj.zig
 | 
6
++++++
M
zlox/src/vm.zig
 | 
2
+-

2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/zlox/src/obj.zig b/zlox/src/obj.zig
@@ -186,6 +186,12 @@ pub const Obj = packed struct {
         pub fn cast(self: *Self) *Super {
             return @ptrCast(self);
         }
+
+        pub fn set(self: *Self, key: value.Value, val: value.Value) !void {
+            self.hash +%= hash.hash(key) +% hash.hash(val);
+            _ = try self.map.set(key, val);
+        }
+
         fn print_element(key: value.Value, val: value.Value) void {
             key.print();
             std.debug.print(":", .{});
diff --git a/zlox/src/vm.zig b/zlox/src/vm.zig
@@ -223,7 +223,7 @@ pub const VM = struct {
                                 self.runtimeError("Cannot index a non-map value", .{});
                                 return InterpreterError.RuntimeError;
                             }
-                            _ = try (map.obj.cast(.Map) catch unreachable).map.set(idx, val);
+                            _ = try (map.obj.cast(.Map) catch unreachable).set(idx, val);
                             self.push(val);
                         },
                         @intFromEnum(OP.DEFINE_GLOBAL) => _ = try self.vm.globals.set(self.read_string(), Global.make_var(self.pop())),