nac3standalone: add test for default param

nac3standalone/demo/src/default_param.py

@@ -0,0 +1,43 @@
+@extern
+def output_int32(x: int32):
+    ...
+
+def f1(a: int32 = 4):
+    output_int32(a)
+
+def f2(a: int64 = int64(123)):
+    output_int32(int32(a))
+
+def f3(a: uint32 = uint32(234)):
+    output_int32(int32(a))
+
+def f4(a: tuple[int32, tuple[int32, int32], int64] = (4, (5, 6), int64(7))):
+    output_int32(a[0])
+    output_int32(a[1][0])
+    output_int32(a[1][1])
+    output_int32(int32(a[2]))
+
+def f5(a: float = 3.45):
+    output_int32(int32(a))
+
+def f6(a: Option[list[int32]] = none):
+    if a.is_none():
+        a = Some([11,22,33])
+        output_int32(a.unwrap()[2])
+
+def f7(a: Option[tuple[int32, int64]] = Some((3, int64(123)))):
+    if a.is_some():
+        a_unwrap = a.unwrap()
+        output_int32(a_unwrap[0])
+        output_int32(int32(a_unwrap[1]))
+
+
+def run() -> int32:
+    f1()
+    f2()
+    f3()
+    f4()
+    f5()
+    f6()
+    f7()
+    return 0