JUMP_BACK and CONTINUE need to be treated more similar...

fixes 148

test/simple_source/bug27+/02_ifelsetmtl.py

@@ -0,0 +1,11 @@
+# Issue #148 on 2.7
+# Bug is in handling CONTINUE like JUMP_BACK
+# Similar code is probably found in a 2.7 stdlib. mapurl?
+def reduce_url(url):
+    atoms = []
+    for atom in url:
+        if atom == '.':
+            pass  # JUMP_BACK is patched as CONTINUE here
+        elif atom == '..':
+            atoms.push()
+    return atoms

uncompyle6/main.py

@@ -1,7 +1,7 @@
 from __future__ import print_function
 import datetime, os, subprocess, sys, tempfile
 
-from uncompyle6 import verify, IS_PYPY
+from uncompyle6 import verify, IS_PYPY, PYTHON_VERSION
 from xdis.code import iscode
 from uncompyle6.disas import check_object_path
 from uncompyle6.semantics import pysource
@@ -156,10 +156,15 @@ def main(in_base, out_base, files, codes, outfile=None,
 
                 # Unbuffer output if possible
                 buffering = -1 if sys.stdout.isatty() else 0
-                t = tempfile.NamedTemporaryFile(mode='w+b',
+                if PYTHON_VERSION >= 3.5:
-                                                buffering=buffering,
+                    t = tempfile.NamedTemporaryFile(mode='w+b',
-                                                suffix='.py',
+                                                    buffering=buffering,
-                                                prefix=prefix)
+                                                    suffix='.py',
+                                                    prefix=prefix)
+                else:
+                    t = tempfile.NamedTemporaryFile(mode='w+b',
+                                                    suffix='.py',
+                                                    prefix=prefix)
                 current_outfile = t.name
                 sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', buffering)
                 tee = subprocess.Popen(["tee", current_outfile],

uncompyle6/parsers/parse27.py

@@ -131,6 +131,7 @@ class Python27Parser(Python2Parser):
         ifelsestmt        ::= testexpr c_stmts_opt JUMP_FORWARD else_suite COME_FROM
         ifelsestmtc       ::= testexpr c_stmts_opt JUMP_ABSOLUTE else_suitec
         ifelsestmtl       ::= testexpr c_stmts_opt JUMP_BACK else_suitel
+        ifelsestmtl       ::= testexpr c_stmts_opt CONTINUE else_suitel
 
         # Common with 2.6
         return_if_lambda   ::= RETURN_END_IF_LAMBDA COME_FROM

uncompyle6/scanners/scanner27.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2015-2017 by Rocky Bernstein
+# Copyright (c) 2015-2018 by Rocky Bernstein
 """
 Python 2.7 bytecode ingester.