--- a/DebugClients/Python/coverage/bytecode.py Fri Apr 11 18:37:22 2014 +0200
+++ b/DebugClients/Python/coverage/bytecode.py Thu Apr 10 23:02:20 2014 +0200
@@ -1,14 +1,25 @@
"""Bytecode manipulation for coverage.py"""
-import opcode, sys, types
+import opcode, types
+
+from .backward import byte_to_int
class ByteCode(object):
"""A single bytecode."""
def __init__(self):
+ # The offset of this bytecode in the code object.
self.offset = -1
+
+ # The opcode, defined in the `opcode` module.
self.op = -1
+
+ # The argument, a small integer, whose meaning depends on the opcode.
self.arg = -1
+
+ # The offset in the code object of the next bytecode.
self.next_offset = -1
+
+ # The offset to jump to.
self.jump_to = -1
@@ -18,44 +29,34 @@
Returns `ByteCode` objects.
"""
+ # pylint: disable=R0924
def __init__(self, code):
self.code = code
- self.offset = 0
- if sys.hexversion > 0x03000000:
- def __getitem__(self, i):
- return self.code[i]
- else:
- def __getitem__(self, i):
- return ord(self.code[i])
+ def __getitem__(self, i):
+ return byte_to_int(self.code[i])
def __iter__(self):
- return self
-
- def __next__(self):
- if self.offset >= len(self.code):
- raise StopIteration
-
- bc = ByteCode()
- bc.op = self[self.offset]
- bc.offset = self.offset
+ offset = 0
+ while offset < len(self.code):
+ bc = ByteCode()
+ bc.op = self[offset]
+ bc.offset = offset
- next_offset = self.offset+1
- if bc.op >= opcode.HAVE_ARGUMENT:
- bc.arg = self[self.offset+1] + 256*self[self.offset+2]
- next_offset += 2
+ next_offset = offset+1
+ if bc.op >= opcode.HAVE_ARGUMENT:
+ bc.arg = self[offset+1] + 256*self[offset+2]
+ next_offset += 2
- label = -1
- if bc.op in opcode.hasjrel:
- label = next_offset + bc.arg
- elif bc.op in opcode.hasjabs:
- label = bc.arg
- bc.jump_to = label
+ label = -1
+ if bc.op in opcode.hasjrel:
+ label = next_offset + bc.arg
+ elif bc.op in opcode.hasjabs:
+ label = bc.arg
+ bc.jump_to = label
- bc.next_offset = self.offset = next_offset
- return bc
-
- next = __next__ # Py2k uses an old-style non-dunder name.
+ bc.next_offset = offset = next_offset
+ yield bc
class CodeObjects(object):
@@ -64,21 +65,11 @@
self.stack = [code]
def __iter__(self):
- return self
-
- def __next__(self):
- if self.stack:
+ while self.stack:
# We're going to return the code object on the stack, but first
# push its children for later returning.
code = self.stack.pop()
for c in code.co_consts:
if isinstance(c, types.CodeType):
self.stack.append(c)
- return code
-
- raise StopIteration
-
- next = __next__
-
-#
-# eflag: FileType = Python2
+ yield code
