diff options
Diffstat (limited to 'lldb/examples/customization')
| -rw-r--r-- | lldb/examples/customization/bin-utils/binutils.py | 19 | ||||
| -rw-r--r-- | lldb/examples/customization/import-python/importcmd.py | 57 | ||||
| -rw-r--r-- | lldb/examples/customization/pwd-cd-and-system/utils.py | 13 |
3 files changed, 54 insertions, 35 deletions
diff --git a/lldb/examples/customization/bin-utils/binutils.py b/lldb/examples/customization/bin-utils/binutils.py index 313a354ec3a..576dcba02f7 100644 --- a/lldb/examples/customization/bin-utils/binutils.py +++ b/lldb/examples/customization/bin-utils/binutils.py @@ -2,6 +2,7 @@ import StringIO + def binary(n, width=None): """ Return a list of (0|1)'s for the binary representation of n where n >= 0. @@ -12,7 +13,7 @@ def binary(n, width=None): if width and width <= 0: width = None while n > 0: - l.append(1 if n&1 else 0) + l.append(1 if n & 1 else 0) n = n >> 1 if width: @@ -22,14 +23,15 @@ def binary(n, width=None): l.reverse() return l + def twos_complement(n, width): """ Return a list of (0|1)'s for the binary representation of a width-bit two's complement numeral system of an integer n which may be negative. """ - val = 2**(width-1) + val = 2**(width - 1) if n >= 0: - if n > (val-1): + if n > (val - 1): return None # It is safe to represent n with width-bits. return binary(n, width) @@ -38,7 +40,7 @@ def twos_complement(n, width): if abs(n) > val: return None # It is safe to represent n (a negative int) with width-bits. - return binary(val*2 - abs(n)) + return binary(val * 2 - abs(n)) # print binary(0xABCD) # [1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1] @@ -53,12 +55,13 @@ def twos_complement(n, width): # print twos_complement(-5, 64) # [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1] + def positions(width): """Helper function returning a list describing the bit positions. Bit positions greater than 99 are truncated to 2 digits, for example, 100 -> 00 and 127 -> 27.""" return ['{0:2}'.format(i)[-2:] for i in reversed(range(width))] - + def utob(debugger, command_line, result, dict): """Convert the unsigned integer to print its binary representation. @@ -88,9 +91,10 @@ def utob(debugger, command_line, result, dict): return if verbose and width > 0: pos = positions(width) - print ' '+' '.join(pos) + print ' ' + ' '.join(pos) print ' %s' % str(bits) + def itob(debugger, command_line, result, dict): """Convert the integer to print its two's complement representation. args[0] (mandatory) is the integer to be converted @@ -117,6 +121,5 @@ def itob(debugger, command_line, result, dict): return if verbose and width > 0: pos = positions(width) - print ' '+' '.join(pos) + print ' ' + ' '.join(pos) print ' %s' % str(bits) - diff --git a/lldb/examples/customization/import-python/importcmd.py b/lldb/examples/customization/import-python/importcmd.py index 576a642d5a0..1d47ad2132f 100644 --- a/lldb/examples/customization/import-python/importcmd.py +++ b/lldb/examples/customization/import-python/importcmd.py @@ -1,31 +1,38 @@ -import sys,os,lldb +import sys +import os +import lldb + + def check_has_dir_in_path(dirname): - return sys.path.__contains__(dirname); + return sys.path.__contains__(dirname) + def ensure_has_dir_in_path(dirname): - dirname = os.path.abspath(dirname) - if not (check_has_dir_in_path(dirname)): - sys.path.append(dirname); + dirname = os.path.abspath(dirname) + if not (check_has_dir_in_path(dirname)): + sys.path.append(dirname) + + +def do_import(debugger, modname): + if (len(modname) > 4 and modname[-4:] == '.pyc'): + modname = modname[:-4] + if (len(modname) > 3 and modname[-3:] == '.py'): + modname = modname[:-3] + debugger.HandleCommand("script import " + modname) -def do_import(debugger,modname): - if (len(modname) > 4 and modname[-4:] == '.pyc'): - modname = modname[:-4] - if (len(modname) > 3 and modname[-3:] == '.py'): - modname = modname[:-3] - debugger.HandleCommand("script import " + modname) def pyimport_cmd(debugger, args, result, dict): - """Import a Python module given its full path""" - print 'WARNING: obsolete feature - use native command "command script import"' - if args == "": - return "no module path given"; - if not (os.sep in args): - modname = args - ensure_has_dir_in_path('.') - else: - endofdir = args.rfind(os.sep) - modname = args[endofdir+1:] - args = args[0:endofdir] - ensure_has_dir_in_path(args) - do_import(debugger,modname) - return None + """Import a Python module given its full path""" + print 'WARNING: obsolete feature - use native command "command script import"' + if args == "": + return "no module path given" + if not (os.sep in args): + modname = args + ensure_has_dir_in_path('.') + else: + endofdir = args.rfind(os.sep) + modname = args[endofdir + 1:] + args = args[0:endofdir] + ensure_has_dir_in_path(args) + do_import(debugger, modname) + return None diff --git a/lldb/examples/customization/pwd-cd-and-system/utils.py b/lldb/examples/customization/pwd-cd-and-system/utils.py index e975e886977..6e3462e1c86 100644 --- a/lldb/examples/customization/pwd-cd-and-system/utils.py +++ b/lldb/examples/customization/pwd-cd-and-system/utils.py @@ -1,8 +1,12 @@ """Utility for changing directories and execution of commands in a subshell.""" -import os, shlex, subprocess +import os +import shlex +import subprocess # Store the previous working directory for the 'cd -' command. + + class Holder: """Holds the _prev_dir_ class attribute for chdir() function.""" _prev_dir_ = None @@ -15,6 +19,7 @@ class Holder: def swap(cls, dir): cls._prev_dir_ = dir + def chdir(debugger, args, result, dict): """Change the working directory, or cd to ${HOME}. You can also issue 'cd -' to change to the previous working directory.""" @@ -33,10 +38,14 @@ def chdir(debugger, args, result, dict): os.chdir(new_dir) print "Current working directory: %s" % os.getcwd() + def system(debugger, command_line, result, dict): """Execute the command (a string) in a subshell.""" args = shlex.split(command_line) - process = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + process = subprocess.Popen( + args, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) output, error = process.communicate() retcode = process.poll() if output and error: |
