micropython: add micropython component

components/language/micropython/tests/misc/sys_settrace_generator.py

@@ -0,0 +1,71 @@
+# test sys.settrace with generators
+
+import sys
+
+try:
+    sys.settrace
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+
+def print_stacktrace(frame, level=0):
+    print(
+        "%2d: %s@%s:%s => %s:%d"
+        % (
+            level,
+            "  ",
+            frame.f_globals["__name__"],
+            frame.f_code.co_name,
+            # Keep just the filename.
+            "sys_settrace_" + frame.f_code.co_filename.split("sys_settrace_")[-1],
+            frame.f_lineno,
+        )
+    )
+
+    if frame.f_back:
+        print_stacktrace(frame.f_back, level + 1)
+
+
+trace_count = 0
+
+
+def trace_tick_handler(frame, event, arg):
+    global trace_count
+    print("### trace_handler::main event:", event)
+    trace_count += 1
+    print_stacktrace(frame)
+    return trace_tick_handler
+
+
+def test_generator():
+    def make_gen():
+        yield 1 << 0
+        yield 1 << 1
+        yield 1 << 2
+        return 1 << 3
+
+    gen = make_gen()
+    r = 0
+    try:
+
+        r += gen.send(None)
+
+        while True:
+
+            r += gen.send(None)
+
+    except StopIteration as e:
+        print("test_generator", r, e)
+
+    gen = make_gen()
+    r = 0
+    for i in gen:
+        r += i
+    print(r)
+
+
+sys.settrace(trace_tick_handler)
+test_generator()
+sys.settrace(None)
+print("Total traces executed: ", trace_count)