Author: David Schneider <[email protected]>
Branch: disable_merge_different_int_types
Changeset: r49910:b6177243b63d
Date: 2011-11-28 14:46 +0100
http://bitbucket.org/pypy/pypy/changeset/b6177243b63d/
Log: (arigo, bivab) make sure next_instr is unsigned and handlerposition
is a non-neg signed O.o
diff --git a/pypy/interpreter/pyframe.py b/pypy/interpreter/pyframe.py
--- a/pypy/interpreter/pyframe.py
+++ b/pypy/interpreter/pyframe.py
@@ -10,7 +10,7 @@
from pypy.rlib.objectmodel import we_are_translated, instantiate
from pypy.rlib.jit import hint
from pypy.rlib.debug import make_sure_not_resized, check_nonneg
-from pypy.rlib.rarithmetic import intmask
+from pypy.rlib.rarithmetic import intmask, r_uint
from pypy.rlib import jit
from pypy.tool import stdlib_opcode
from pypy.tool.stdlib_opcode import host_bytecode_spec
@@ -167,7 +167,7 @@
# Execution starts just after the last_instr. Initially,
# last_instr is -1. After a generator suspends it points to
# the YIELD_VALUE instruction.
- next_instr = self.last_instr + 1
+ next_instr = r_uint(self.last_instr + 1)
if next_instr != 0:
self.pushvalue(w_inputvalue)
#
@@ -691,6 +691,7 @@
handlerposition = space.int_w(w_handlerposition)
valuestackdepth = space.int_w(w_valuestackdepth)
assert valuestackdepth >= 0
+ assert handlerposition >= 0
blk = instantiate(get_block_class(opname))
blk.handlerposition = handlerposition
blk.valuestackdepth = valuestackdepth
diff --git a/pypy/interpreter/pyopcode.py b/pypy/interpreter/pyopcode.py
--- a/pypy/interpreter/pyopcode.py
+++ b/pypy/interpreter/pyopcode.py
@@ -838,7 +838,7 @@
def jump_absolute(self, jumpto, next_instr, ec):
check_nonneg(jumpto)
- return r_uint(jumpto)
+ return jumpto
def JUMP_FORWARD(self, jumpby, next_instr):
next_instr += jumpby
@@ -1279,7 +1279,7 @@
def handle(self, frame, unroller):
next_instr = self.really_handle(frame, unroller) # JIT hack
- return next_instr
+ return r_uint(next_instr)
def really_handle(self, frame, unroller):
""" Purely abstract method
_______________________________________________
pypy-commit mailing list
[email protected]
http://mail.python.org/mailman/listinfo/pypy-commit
