From 31413be7a11e8d3f5befb080aedcec23f3b0ac66 Mon Sep 17 00:00:00 2001
From: rocky <rb@dustyfeet.com>
Date: Tue, 16 Aug 2016 12:45:43 -0400
Subject: [PATCH] Python 2.2 doesn't have opcode LIST_APPEND

---
 test/bytecode_2.2/05_test_yield.pyc       | Bin 0 -> 924 bytes
 test/simple_source/bug22/05_test_yield.py |  24 ++++++++++++++++++++++
 uncompyle6/scanners/scanner2.py           |   3 ++-
 3 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 test/bytecode_2.2/05_test_yield.pyc
 create mode 100644 test/simple_source/bug22/05_test_yield.py

diff --git a/test/bytecode_2.2/05_test_yield.pyc b/test/bytecode_2.2/05_test_yield.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..8395d44bcd453b754e43e6c7524af768d858f4f7
GIT binary patch
literal 924
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literal 0
HcmV?d00001

diff --git a/test/simple_source/bug22/05_test_yield.py b/test/simple_source/bug22/05_test_yield.py
new file mode 100644
index 00000000..4bdc5b94
--- /dev/null
+++ 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
index 0d7c7645..c14f51c2 100755
--- a/uncompyle6/scanners/scanner2.py
+++ b/uncompyle6/scanners/scanner2.py
@@ -381,7 +381,8 @@ class Scanner2(scan.Scanner):
                 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: