From f89ba40147135822def5535b73adc0e84ef3e0fd Mon Sep 17 00:00:00 2001
From: rocky <rb@dustyfeet.com>
Date: Sat, 13 Apr 2019 20:46:13 -0400
Subject: [PATCH] Adjust while True grammar rule

---
 test/bytecode_3.8/01_while_if_then.pyc | Bin 0 -> 474 bytes
 uncompyle6/parsers/parse38.py          |   7 +++----
 uncompyle6/semantics/customize3.py     |   2 ++
 3 files changed, 5 insertions(+), 4 deletions(-)
 create mode 100644 test/bytecode_3.8/01_while_if_then.pyc

diff --git a/test/bytecode_3.8/01_while_if_then.pyc b/test/bytecode_3.8/01_while_if_then.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..59917a8116c25decd5882d2cb0cbe39a53c0dbd6
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/uncompyle6/parsers/parse38.py b/uncompyle6/parsers/parse38.py
index c750ffb0..969706db 100644
--- a/uncompyle6/parsers/parse38.py
+++ b/uncompyle6/parsers/parse38.py
@@ -20,7 +20,6 @@ from __future__ import print_function
 from uncompyle6.parser import PythonParserSingle
 from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
 from uncompyle6.parsers.parse37 import Python37Parser
-from uncompyle6.scanners.tok import Token
 
 class Python38Parser(Python37Parser):
 
@@ -35,6 +34,7 @@ class Python38Parser(Python37Parser):
         stmt               ::= try_except_ret38
         stmt               ::= try_except38
         stmt               ::= whilestmt38
+        stmt               ::= whileTruestmt38
 
         # FIXME this should be restricted to being inside a try block
         stmt               ::= except_ret38
@@ -67,12 +67,11 @@ class Python38Parser(Python37Parser):
         whilestmt38        ::= testexpr l_stmts     JUMP_BACK
 
         # while1elsestmt   ::=          l_stmts     JUMP_BACK
-        whileelsestmt      ::= testexpr l_stmts     JUMP_BACK POP_BLOCK
         whileTruestmt      ::= l_stmts              JUMP_BACK POP_BLOCK
         while1stmt         ::= l_stmts COME_FROM_LOOP
         while1stmt         ::= l_stmts COME_FROM JUMP_BACK COME_FROM_LOOP
-        whileTruestmt      ::= l_stmts JUMP_BACK NOP
-        whileTruestmt      ::= l_stmts JUMP_BACK POP_BLOCK NOP
+        whileTruestmt38    ::= l_stmts JUMP_BACK
+
         for_block          ::= l_stmts_opt _come_from_loops JUMP_BACK
 
         except_cond1       ::= DUP_TOP expr COMPARE_OP jmp_false
diff --git a/uncompyle6/semantics/customize3.py b/uncompyle6/semantics/customize3.py
index 0e785a9e..7763bce4 100644
--- a/uncompyle6/semantics/customize3.py
+++ b/uncompyle6/semantics/customize3.py
@@ -982,6 +982,8 @@ def customize_for_version3(self, version):
 
                         'whilestmt38': ( '%|while %c:\n%+%c%-\n\n',
                                          (0, 'testexpr'), (1, 'l_stmts') ),
+                        'whileTruestmt38': ( '%|while True:\n%+%c%-\n\n',
+                                         (0, 'l_stmts') ),
                         'tryfinally38': (
                             '%|try:\n%+%c%-%|finally:\n%+%c%-\n\n',
                                    (3, 'returns'), 6 ),