def disassemble_code(self, fname, startlineno, name, generic_format=False):
# 'generic_format' is False for PyPy2 (returns a
# disassembler.CodeRepresentation) or True otherwise (returns a
# GenericCode, without attempting any disassembly)
try:
if py.path.local(fname).check(file=False):
return None # cannot find source file
except py.error.EACCES:
return None # cannot open the file
key = (fname, startlineno, name)
try:
return self.disassembled_codes[key]
except KeyError:
pass
if generic_format:
res = GenericCode(fname, startlineno, name)
else:
codeobjs = self.load_code(fname)
if (startlineno, name) not in codeobjs:
# cannot find the code obj at this line: this can happen for
# various reasons, e.g. because the .py files changed since
# the log was produced, or because the co_firstlineno
# attribute of the code object is wrong (e.g., code objects
# produced by gateway.applevel(), such as the ones found in
# nanos.py)
return None
code = codeobjs[(startlineno, name)]
res = dis(code)
self.disassembled_codes[key] = res
return res
def disassemble_code(self, fname, startlineno, name, generic_format=False):
# 'generic_format' is False for PyPy2 (returns a
# disassembler.CodeRepresentation) or True otherwise (returns a
# GenericCode, without attempting any disassembly)
try:
if py.path.local(fname).check(file=False):
return None # cannot find source file
except py.error.EACCES:
return None # cannot open the file
key = (fname, startlineno, name)
try:
return self.disassembled_codes[key]
except KeyError:
pass
if generic_format:
res = GenericCode(fname, startlineno, name)
else:
codeobjs = self.load_code(fname)
if (startlineno, name) not in codeobjs:
# cannot find the code obj at this line: this can happen for
# various reasons, e.g. because the .py files changed since
# the log was produced, or because the co_firstlineno
# attribute of the code object is wrong (e.g., code objects
# produced by gateway.applevel(), such as the ones found in
# nanos.py)
return None
code = codeobjs[(startlineno, name)]
res = dis(code)
self.disassembled_codes[key] = res
return res
def test_find_ids_range(self):
def f():
a = 0 # ID: myline
return a
#
start_lineno = f.func_code.co_firstlineno
code = disassembler.dis(f)
ids = find_ids_range(code)
assert len(ids) == 1
myline_range = ids['myline']
assert list(myline_range) == range(start_lineno+1, start_lineno+2)
def test_find_ids_range(self):
def f():
a = 0 # ID: myline
return a
#
start_lineno = f.func_code.co_firstlineno
code = disassembler.dis(f)
ids = find_ids_range(code)
assert len(ids) == 1
myline_range = ids['myline']
assert list(myline_range) == range(start_lineno + 1, start_lineno + 2)
def test_find_ids(self):
def f():
i = 0
x = 0
z = x + 3 # ID: myline
return z
#
code = disassembler.dis(f)
ids = find_ids(code)
assert len(ids) == 1
myline = ids['myline']
opcodes_names = [opcode.__class__.__name__ for opcode in myline]
assert opcodes_names == ['LOAD_FAST', 'LOAD_CONST', 'BINARY_ADD', 'STORE_FAST']
def test_find_ids(self):
def f():
i = 0
x = 0
z = x + 3 # ID: myline
return z
#
code = disassembler.dis(f)
ids = find_ids(code)
assert len(ids) == 1
myline = ids['myline']
opcodes_names = [opcode.__class__.__name__ for opcode in myline]
assert opcodes_names == [
'LOAD_FAST', 'LOAD_CONST', 'BINARY_ADD', 'STORE_FAST'
]
def disassemble_code(self, fname, startlineno, name):
try:
if py.path.local(fname).check(file=False):
return None # cannot find source file
except py.error.EACCES:
return None # cannot open the file
key = (fname, startlineno, name)
try:
return self.disassembled_codes[key]
except KeyError:
codeobjs = self.load_code(fname)
if (startlineno, name) not in codeobjs:
# cannot find the code obj at this line: this can happen for
# various reasons, e.g. because the .py files changed since
# the log was produced, or because the co_firstlineno
# attribute of the code object is wrong (e.g., code objects
# produced by gateway.applevel(), such as the ones found in
# nanos.py)
return None
code = codeobjs[(startlineno, name)]
res = dis(code)
self.disassembled_codes[key] = res
return res
def disassemble_code(self, fname, startlineno, name):
try:
if py.path.local(fname).check(file=False):
return None # cannot find source file
except py.error.EACCES:
return None # cannot open the file
key = (fname, startlineno, name)
try:
return self.disassembled_codes[key]
except KeyError:
codeobjs = self.load_code(fname)
if (startlineno, name) not in codeobjs:
# cannot find the code obj at this line: this can happen for
# various reasons, e.g. because the .py files changed since
# the log was produced, or because the co_firstlineno
# attribute of the code object is wrong (e.g., code objects
# produced by gateway.applevel(), such as the ones found in
# nanos.py)
return None
code = codeobjs[(startlineno, name)]
res = dis(code)
self.disassembled_codes[key] = res
return res
