def run(self, args):
co = self.proc.curframe.f_code
name = co.co_name
try:
opts, args = getopt(args[1:], "hpPAto:O", [
"help", "parent", "pretty", "AST", 'tree', "offset=", "offsets"
])
except GetoptError as err:
# print help information and exit:
print(str(
err)) # will print something like "option -a not recognized"
return
show_parent = False
show_ast = False
offset = None
show_offsets = False
for o, a in opts:
if o in ("-h", "--help"):
self.proc.commands['help'].run(['help', 'deparse'])
return
elif o in ("-O", "--offsets"):
show_offsets = True
elif o in ("-p", "--parent"):
show_parent = True
elif o in ("-A", "--tree", '--AST'):
show_ast = True
elif o in ("-o", '--offset'):
offset = a
else:
self.errmsg("unhandled option '%s'" % o)
pass
pass
nodeInfo = None
try:
float_version = sysinfo2float()
except:
self.errmsg(sys.exc_info()[1])
return
if len(args) >= 1 and args[0] == '.':
temp_filename, name_for_code = deparse_and_cache(co, self.errmsg)
if not temp_filename:
return
self.print_text(''.join(getlines(temp_filename)))
return
elif show_offsets:
deparsed = deparse_code(float_version, co, is_pypy=IS_PYPY)
self.section("Offsets known:")
m = self.columnize_commands(
list(sorted(deparsed.offsets.keys(), key=lambda x: str(x[0]))))
self.msg_nocr(m)
return
elif offset is not None:
mess = ("The 'deparse' command when given an argument requires an"
" instruction offset. Got: '%s'" % offset)
last_i = self.proc.get_an_int(offset, mess)
if last_i is None:
return
else:
last_i = self.proc.curframe.f_lasti
if last_i == -1: last_i = 0
try:
deparsed = deparse_code(float_version, co, is_pypy=IS_PYPY)
nodeInfo = deparsed_find((name, last_i), deparsed, co)
if not nodeInfo:
self.errmsg(
"Can't find exact offset %d; giving inexact results" %
last_i)
deparsed = deparse_code_around_offset(co.co_name,
last_i,
float_version,
co,
is_pypy=IS_PYPY)
except:
self.errmsg(sys.exc_info()[1])
self.errmsg("error in deparsing code at offset %d" % last_i)
return
if not nodeInfo:
nodeInfo = deparsed_find((name, last_i), deparsed, co)
if nodeInfo:
extractInfo = deparsed.extract_node_info(nodeInfo)
parentInfo = None
# print extractInfo
if show_ast:
p = deparsed.ast
if show_parent:
parentInfo, p = deparsed.extract_parent_info(nodeInfo.node)
self.msg(p)
if extractInfo:
self.rst_msg("*instruction:* %s" % (nodeInfo.node))
self.print_text(extractInfo.selectedLine)
self.msg(extractInfo.markerLine)
if show_parent:
if not parentInfo:
parentInfo, p = deparsed.extract_parent_info(
nodeInfo.node)
if parentInfo:
self.section("Contained in...")
self.rst_msg("\t*Grammar Symbol:* %s" % p.kind)
self.print_text(parentInfo.selectedLine)
self.msg(parentInfo.markerLine)
pass
pass
pass
elif last_i == -1:
if name:
self.msg("At beginning of %s " % name)
elif self.core.filename(None):
self.msg("At beginning of program %s" %
self.core.filename(None))
else:
self.msg("At beginning")
else:
self.errmsg(
"haven't recorded info for offset %d. Offsets I know are:" %
last_i)
m = self.columnize_commands(
list(sorted(deparsed.offsets.keys(), key=lambda x: str(x[0]))))
self.msg_nocr(m)
return
def run(self, args):
proc = self.proc
dbg_obj = self.core.debugger
listsize = dbg_obj.settings['listsize']
filename, first, last = parse_list_cmd(proc, args, listsize)
curframe = proc.curframe
if filename is None: return
# Sometimes such as due to decompilation we might not really
# have an idea based on the listing where we really are.
# Setting "show_marks" to false will disable marking breakpoint
# and current line numbers.
show_marks = True
filename = pyficache.unmap_file(pyficache.pyc2py(filename))
if filename == "<string>" and proc.curframe.f_code:
# Deparse the code object into a temp file and remap the line from code
# into the corresponding line of the tempfile
co = proc.curframe.f_code
temp_filename, name_for_code = deparse_and_cache(co, proc.errmsg)
if temp_filename:
filename = temp_filename
show_marks = False
pass
# We now have range information. Do the listing.
max_line = pyficache.size(filename)
if max_line is None:
self.errmsg('No file %s found; using "deparse" command instead to show source' %
filename)
proc.commands['deparse'].run(['deparse'])
return
canonic_filename = os.path.realpath(os.path.normcase(filename))
if first > max_line:
self.errmsg('Bad start line %d - file "%s" has only %d lines'
% (first, filename, max_line))
return
if last > max_line:
self.msg('End position changed to last line %d ' % max_line)
last = max_line
bplist = self.core.bpmgr.bplist
opts = {
'reload_on_change' : self.settings['reload'],
'output' : self.settings['highlight'],
'strip_nl' : False,
}
if 'style' in self.settings:
opts['style'] = self.settings['style']
if first <= 0:
first = 1
try:
for lineno in range(first, last+1):
line = pyficache.getline(filename, lineno, opts)
if line is None:
line = linecache.getline(filename, lineno,
proc.frame.f_globals)
pass
if line is None:
self.msg('[EOF]')
break
else:
line = line.rstrip('\n')
s = proc._saferepr(lineno).rjust(3)
if len(s) < 5: s += ' '
if (show_marks and
(canonic_filename, lineno,) in list(bplist.keys())):
bp = bplist[(canonic_filename, lineno,)][0]
a_pad = '%02d' % bp.number
s += bp.icon_char()
else:
s += ' '
a_pad = ' '
pass
if (curframe and lineno == inspect.getlineno(curframe)
and show_marks):
s += '->'
if 'plain' != self.settings['highlight']:
s = colorize('bold', s)
else:
s += a_pad
pass
self.msg(s + '\t' + line)
proc.list_lineno = lineno
pass
pass
pass
except KeyboardInterrupt:
pass
return False
def print_location(proc_obj):
"""Show where we are. GUI's and front-end interfaces often
use this to update displays. So it is helpful to make sure
we give at least some place that's located in a file.
"""
i_stack = proc_obj.curindex
if i_stack is None or proc_obj.stack is None:
return False
core_obj = proc_obj.core
dbgr_obj = proc_obj.debugger
intf_obj = dbgr_obj.intf[-1]
# Evaluation routines like "exec" don't show useful location
# info. In these cases, we will use the position before that in
# the stack. Hence the looping below which in practices loops
# once and sometimes twice.
remapped_file = None
source_text = None
while i_stack >= 0:
frame_lineno = proc_obj.stack[i_stack]
i_stack -= 1
frame, lineno = frame_lineno
# # Next check to see that local variable breadcrumb exists and
# # has the magic dynamic value.
# # If so, it's us and we don't normally show this.a
# if 'breadcrumb' in frame.f_locals:
# if self.run == frame.f_locals['breadcrumb']:
# break
filename = Mstack.frame2file(core_obj, frame, canonic=False)
if '<string>' == filename and dbgr_obj.eval_string:
remapped_file = filename
filename = pyficache.unmap_file(filename)
if '<string>' == filename:
remapped = cmdfns.source_tempfile_remap(
'eval_string', dbgr_obj.eval_string)
pyficache.remap_file(filename, remapped)
filename = remapped
lineno = pyficache.unmap_file_line(filename, lineno)
pass
pass
elif '<string>' == filename:
source_text = deparse_fn(frame.f_code)
filename = "<string: '%s'>" % source_text
pass
else:
m = re.search('^<frozen (.*)>', filename)
if m and m.group(1) in pyficache.file2file_remap:
remapped_file = pyficache.file2file_remap[m.group(1)]
pass
elif filename in pyficache.file2file_remap:
remapped_file = pyficache.unmap_file(filename)
# FIXME: a remapped_file shouldn't be the same as its unmapped version
if remapped_file == filename:
remapped_file = None
pass
pass
elif m and m.group(1) in sys.modules:
remapped_file = m.group(1)
pyficache.remap_file(filename, remapped_file)
pass
opts = {
'reload_on_change': proc_obj.settings('reload'),
'output': proc_obj.settings('highlight')
}
if 'style' in proc_obj.debugger.settings:
opts['style'] = proc_obj.settings('style')
pyficache.update_cache(filename)
line = pyficache.getline(filename, lineno, opts)
if not line:
if (not source_text and filename.startswith("<string: ")
and proc_obj.curframe.f_code):
# Deparse the code object into a temp file and remap the line from code
# into the corresponding line of the tempfile
co = proc_obj.curframe.f_code
temp_filename, name_for_code = deparse_and_cache(
co, proc_obj.errmsg)
lineno = 1
# _, lineno = pyficache.unmap_file_line(temp_filename, lineno, True)
if temp_filename:
filename = temp_filename
pass
else:
# FIXME:
if source_text:
lines = source_text.split("\n")
temp_name = 'string-'
else:
# try with good ol linecache and consider fixing pyficache
lines = linecache.getlines(filename)
temp_name = filename
if lines:
# FIXME: DRY code with version in cmdproc.py print_location
prefix = os.path.basename(temp_name).split('.')[0]
fd = tempfile.NamedTemporaryFile(suffix='.py',
prefix=prefix,
delete=False)
with fd:
fd.write(''.join(lines))
remapped_file = fd.name
pyficache.remap_file(remapped_file, filename)
fd.close()
pass
line = linecache.getline(filename, lineno,
proc_obj.curframe.f_globals)
if not line:
m = re.search('^<frozen (.*)>', filename)
if m and m.group(1):
remapped_file = m.group(1)
try_module = sys.modules.get(remapped_file)
if (try_module and inspect.ismodule(try_module)
and hasattr(try_module, '__file__')):
remapped_file = sys.modules[remapped_file].__file__
pyficache.remap_file(filename, remapped_file)
line = linecache.getline(remapped_file, lineno,
proc_obj.curframe.f_globals)
else:
remapped_file = m.group(1)
code = proc_obj.curframe.f_code
filename, line = cmdfns.deparse_getline(
code, remapped_file, lineno, opts)
pass
pass
try:
match, reason = Mstack.check_path_with_frame(frame, filename)
if not match:
if filename not in warned_file_mismatches:
proc_obj.errmsg(reason)
warned_file_mismatches.add(filename)
except:
pass
fn_name = frame.f_code.co_name
last_i = frame.f_lasti
print_source_location_info(intf_obj.msg,
filename,
lineno,
fn_name,
remapped_file=remapped_file,
f_lasti=last_i)
if line and len(line.strip()) != 0:
if proc_obj.event:
print_source_line(intf_obj.msg, lineno, line,
proc_obj.event2short[proc_obj.event])
pass
if '<string>' != filename: break
pass
if proc_obj.event in ['return', 'exception']:
val = proc_obj.event_arg
intf_obj.msg('R=> %s' % proc_obj._saferepr(val))
pass
return True
def print_location(proc_obj):
"""Show where we are. GUI's and front-end interfaces often
use this to update displays. So it is helpful to make sure
we give at least some place that's located in a file.
"""
i_stack = proc_obj.curindex
if i_stack is None or proc_obj.stack is None:
return False
core_obj = proc_obj.core
dbgr_obj = proc_obj.debugger
intf_obj = dbgr_obj.intf[-1]
# Evaluation routines like "exec" don't show useful location
# info. In these cases, we will use the position before that in
# the stack. Hence the looping below which in practices loops
# once and sometimes twice.
remapped_file = None
source_text = None
while i_stack >= 0:
frame_lineno = proc_obj.stack[i_stack]
i_stack -= 1
frame, lineno = frame_lineno
# # Next check to see that local variable breadcrumb exists and
# # has the magic dynamic value.
# # If so, it's us and we don't normally show this.a
# if 'breadcrumb' in frame.f_locals:
# if self.run == frame.f_locals['breadcrumb']:
# break
filename = Mstack.frame2file(core_obj, frame, canonic=False)
if '<string>' == filename and dbgr_obj.eval_string:
remapped_file = filename
filename = pyficache.unmap_file(filename)
if '<string>' == filename:
remapped = source_tempfile_remap('eval_string',
dbgr_obj.eval_string)
pyficache.remap_file(filename, remapped)
filename = remapped
lineno = pyficache.unmap_file_line(filename, lineno)
pass
pass
elif '<string>' == filename:
source_text = deparse_fn(frame.f_code)
filename = "<string: '%s'>" % source_text
pass
else:
if filename in pyficache.file2file_remap:
remapped_file = pyficache.unmap_file(filename)
# FIXME: a remapped_file shouldn't be the same as its unmapped version
if remapped_file == filename:
remapped_file = None
pass
pass
pass
opts = {
'reload_on_change' : proc_obj.settings('reload'),
'output' : proc_obj.settings('highlight')
}
if 'style' in proc_obj.debugger.settings:
opts['style'] = proc_obj.settings('style')
pyficache.update_cache(filename)
line = pyficache.getline(filename, lineno, opts)
if not line:
if (not source_text and
filename.startswith("<string: ") and proc_obj.curframe.f_code):
# Deparse the code object into a temp file and remap the line from code
# into the corresponding line of the tempfile
co = proc_obj.curframe.f_code
temp_filename, name_for_code = deparse_and_cache(co, proc_obj.errmsg)
lineno = 1
# _, lineno = pyficache.unmap_file_line(temp_filename, lineno, True)
if temp_filename:
filename = temp_filename
pass
else:
# FIXME:
if source_text:
lines = source_text.split("\n")
temp_name='string-'
else:
# try with good ol linecache and consider fixing pyficache
lines = linecache.getlines(filename)
temp_name = filename
if lines:
# FIXME: DRY code with version in cmdproc.py print_location
prefix = os.path.basename(temp_name).split('.')[0]
fd = tempfile.NamedTemporaryFile(suffix='.py',
prefix=prefix,
delete=False)
with fd:
fd.write(''.join(lines))
remapped_file = fd.name
pyficache.remap_file(remapped_file, filename)
fd.close()
pass
line = linecache.getline(filename, lineno,
proc_obj.curframe.f_globals)
pass
fn_name = frame.f_code.co_name
last_i = frame.f_lasti
print_source_location_info(intf_obj.msg, filename, lineno, fn_name,
remapped_file = remapped_file,
f_lasti = last_i)
if line and len(line.strip()) != 0:
if proc_obj.event:
print_source_line(intf_obj.msg, lineno, line,
proc_obj.event2short[proc_obj.event])
pass
if '<string>' != filename: break
pass
if proc_obj.event in ['return', 'exception']:
val = proc_obj.event_arg
intf_obj.msg('R=> %s' % proc_obj._saferepr(val))
pass
return True
def run(self, args):
if sys.version_info[:2] > (3, 8):
self.errmsg("Deparsing for Python greater than 3.8 not impemented")
return
co = self.proc.curframe.f_code
name = co.co_name
try:
opts, args = getopt(
args[1:],
"hpPto:O",
["help", "parent", "pretty", "tree", "offset=", "offsets"],
)
except GetoptError as err:
# print help information and exit:
self.errmsg(str(
err)) # will print something like "option -a not recognized"
return
show_parent = False
show_tree = False
offset = None
show_offsets = False
for o, a in opts:
if o in ("-h", "--help"):
self.proc.commands["help"].run(["help", "deparse"])
return
elif o in ("-O", "--offsets"):
show_offsets = True
elif o in ("-p", "--parent"):
show_parent = True
elif o in (
"-t",
"--tree",
):
show_tree = True
elif o in ("-o", "--offset"):
offset = a
else:
self.errmsg("unhandled option '%s'" % o)
pass
pass
nodeInfo = None
if len(args) >= 1 and args[0] == ".":
temp_filename, name_for_code = deparse_and_cache(
co, self.errmsg, tempdir=self.settings["tempdir"])
if not temp_filename:
return
self.print_text("".join(getlines(temp_filename)))
return
elif show_offsets:
deparsed = code_deparse(co)
self.section("Offsets known:")
m = self.columnize_commands(
list(sorted(deparsed.offsets.keys(), key=lambda x: str(x[0]))))
self.msg_nocr(m)
return
elif offset is not None:
mess = ("The 'deparse' command when given an argument requires an"
" instruction offset. Got: '%s'" % offset)
last_i = self.proc.get_an_int(offset, mess)
if last_i is None:
return
else:
last_i = self.proc.curframe.f_lasti
if last_i == -1:
last_i = 0
deparsed, nodeInfo = deparse_offset(co, name, last_i, self.errmsg)
if not deparsed:
return
if nodeInfo:
extractInfo = deparsed.extract_node_info(nodeInfo)
parentInfo = None
# print extractInfo
if show_tree:
p = deparsed.ast
if show_parent:
parentInfo, p = deparsed.extract_parent_info(nodeInfo.node)
self.msg(p)
if extractInfo:
self.rst_msg("*instruction:* %s" % (nodeInfo.node))
self.print_text(extractInfo.selectedLine)
self.msg(extractInfo.markerLine)
if show_parent:
if not parentInfo:
parentInfo, p = deparsed.extract_parent_info(
nodeInfo.node)
if parentInfo:
self.section("Contained in...")
self.rst_msg("\t*Grammar Symbol:* %s" % p.kind)
self.print_text(parentInfo.selectedLine)
self.msg(parentInfo.markerLine)
pass
pass
pass
elif last_i == -1:
if name:
self.msg("At beginning of %s " % name)
elif self.core.filename(None):
self.msg("At beginning of program %s" %
self.core.filename(None))
else:
self.msg("At beginning")
else:
self.errmsg(
"haven't recorded info for offset %d. Offsets I know are:" %
last_i)
offsets = [
key[1] for key in deparsed.offsets.keys()
if isinstance(key[1], int)
]
m = self.columnize_commands(list(sorted(offsets)))
self.msg_nocr(m)
return
def print_location(proc_obj):
"""Show where we are. GUI's and front-end interfaces often
use this to update displays. So it is helpful to make sure
we give at least some place that's located in a file.
"""
i_stack = proc_obj.curindex
if i_stack is None or proc_obj.stack is None:
return False
core_obj = proc_obj.core
dbgr_obj = proc_obj.debugger
intf_obj = dbgr_obj.intf[-1]
# Evaluation routines like "exec" don't show useful location
# info. In these cases, we will use the position before that in
# the stack. Hence the looping below which in practices loops
# once and sometimes twice.
remapped_file = None
source_text = None
while i_stack >= 0:
frame_lineno = proc_obj.stack[i_stack]
i_stack -= 1
frame, lineno = frame_lineno
# # Next check to see that local variable breadcrumb exists and
# # has the magic dynamic value.
# # If so, it's us and we don't normally show this.a
# if 'breadcrumb' in frame.f_locals:
# if self.run == frame.f_locals['breadcrumb']:
# break
filename = Mstack.frame2file(core_obj, frame, canonic=False)
if "<string>" == filename and dbgr_obj.eval_string:
remapped_file = filename
filename = pyficache.unmap_file(filename)
if "<string>" == filename:
remapped = source_tempfile_remap(
"eval_string",
dbgr_obj.eval_string,
tempdir=proc_obj.settings("tempdir"))
pyficache.remap_file(filename, remapped)
filename = remapped
lineno = pyficache.unmap_file_line(filename, lineno)
pass
pass
elif "<string>" == filename:
source_text = deparse_fn(frame.f_code)
filename = "<string: '%s'>" % source_text
pass
elif filename in proc_obj.file2file_remap:
remapped_file = proc_obj.file2file_remap[filename]
elif filename in pyficache.file2file_remap:
remapped_file = pyficache.unmap_file(filename)
# FIXME: a remapped_file shouldn't be the same as its unmapped version
if remapped_file == filename:
remapped_file = None
pass
pass
elif pyficache.main.remap_re_hash:
remapped_file = pyficache.remap_file_pat(
filename, pyficache.main.remap_re_hash)
opts = {
"reload_on_change": proc_obj.settings("reload"),
"output": proc_obj.settings("highlight"),
}
if "style" in proc_obj.debugger.settings:
opts["style"] = proc_obj.settings("style")
pyficache.update_cache(filename)
line = pyficache.getline(filename, lineno, opts)
if not line:
if (not source_text and filename.startswith("<string: ")
and proc_obj.curframe.f_code):
# Deparse the code object into a temp file and remap the line from code
# into the corresponding line of the tempfile
co = proc_obj.curframe.f_code
tempdir = proc_obj.settings("tempdir")
temp_filename, name_for_code = deparse_and_cache(
co, proc_obj.errmsg, tempdir=tempdir)
lineno = 1
# _, lineno = pyficache.unmap_file_line(temp_filename, lineno, True)
if temp_filename:
filename = temp_filename
pass
else:
# FIXME:
if source_text:
lines = source_text.split("\n")
temp_name = "string-"
else:
# try with good ol linecache and consider fixing pyficache
lines = linecache.getlines(filename)
temp_name = filename
if lines:
# FIXME: DRY code with version in cmdproc.py print_location
prefix = osp.basename(temp_name).split(".")[0]
fd = tempfile.NamedTemporaryFile(
suffix=".py",
prefix=prefix,
delete=False,
dir=proc_obj.settings("tempdir"),
)
with fd:
fd.write("".join(lines))
remapped_file = fd.name
pyficache.remap_file(remapped_file, filename)
fd.close()
pass
line = linecache.getline(filename, lineno,
proc_obj.curframe.f_globals)
pass
fn_name = frame.f_code.co_name
last_i = frame.f_lasti
print_source_location_info(
intf_obj.msg,
filename,
lineno,
fn_name,
remapped_file=remapped_file,
f_lasti=last_i,
)
if line and len(line.strip()) != 0:
if proc_obj.event:
print_source_line(intf_obj.msg, lineno, line,
proc_obj.event2short[proc_obj.event])
pass
if "<string>" != filename:
break
pass
if proc_obj.event in ["return", "exception"]:
val = proc_obj.event_arg
intf_obj.msg("R=> %s" % proc_obj._saferepr(val))
pass
return True
