py: Implement break and continue byte codes, and add tests.

Also fixes a bug in the for-in-range optimiser.

I hope to remove break and continue byte codes in the future and just
use jump (if possible).

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/basics/break.py b/tests/basics/break.py
new file mode 100644
index 000000000..c303ea0b3
--- /dev/null
+++ b/tests/basics/break.py
@@ -0,0 +1,13 @@
+while True:
+    break
+
+for i in range(4):
+    print('one', i)
+    if i > 2:
+        break
+    print('two', i)
+
+for i in [1, 2, 3, 4]:
+    if i == 3:
+        break
+    print(i)