stage1 部分功能测试00,01,02,06成功

stage1/test08.spl

@@ -0,0 +1,43 @@
+#[extern("vm")] fn vm_printf(fmt: *u8, ...) void;
+
+type Point = struct {
+    x: i32,
+    y: i32,
+
+    type Test = enum {
+        TestEnum0,
+        TestEnum1,
+    }
+
+    fn init(x: i32, y: i32) Point {
+        ret Point { .x = x, .y = y };
+    }
+
+    fn dump(self: *Point) {
+        vm_printf("Point: %d %d\n", self.x, self.y);
+    }
+}
+
+type Expr = enum {
+    Int: i32,
+    Add: struct { left: *Expr, right: *Expr },
+
+    fn eval(self: *Expr) i32 {
+        match self {
+            .Int(val) => return val,
+            .Add(left, right) => return eval(left) + eval(right),
+        }
+        return 0;
+    }
+}
+
+fn main() void {
+    var p: Point = Point.init(3, 4);
+    p.dump();
+
+    var expr_l := Expr { .Int = 3 };
+    var expr_r := Expr { .Int = 4 };
+    var expr := Expr { .Add = { .left = expr_l, .right = expr_r } };
+    vm_printf("Expr: %d\n", expr.eval());
+    ret;
+}