Python 2.2 doesn't have opcode LIST_APPEND

rocky · rocky · commit 31413be7a11e · 2016-08-16T12:45:43.000-04:00
diff --git a/test/bytecode_2.2/05_test_yield.pyc b/test/bytecode_2.2/05_test_yield.pyc
diff --git a/test/simple_source/bug22/05_test_yield.py b/test/simple_source/bug22/05_test_yield.py
@@ -0,0 +1,24 @@
+# From decompyle
+# In Python 2.2 we don't have op LIST_APPEND while in > 2.3 we do.
+
+from __future__ import generators
+
+def inorder(t):
+    if t:
+        for x in inorder(t.left):
+            yield x
+
+        yield t.label
+        for x in inorder(t.right):
+            yield x
+
+def generate_ints(n):
+    for i in range(n):
+        yield i * 2
+
+for i in generate_ints(5):
+    print i,
+
+print
+gen = generate_ints(3)
+print gen.next(), gen.next(), gen.next(), gen.next()
diff --git a/uncompyle6/scanners/scanner2.py b/uncompyle6/scanners/scanner2.py
@@ -381,7 +381,8 @@ def build_stmt_indices(self):
                 j = self.prev[s]
                 while code[j] == self.opc.JUMP_ABSOLUTE:
                     j = self.prev[j]
-                if code[j] == self.opc.LIST_APPEND: # list comprehension
+                if (self.version >= 2.3 and
+                    code[j] == self.opc.LIST_APPEND): # list comprehension
                     stmts.remove(s)
                     continue
             elif code[s] == self.opc.POP_TOP and code[self.prev[s]] == self.opc.ROT_TWO:
