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#!/usr/bin/python
# Copyright (c) 2011 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""GDB support for Chrome types.
Add this to your gdb by amending your ~/.gdbinit as follows:
python
import sys
sys.path.insert(0, "/path/to/tools/gdb/")
import gdb_chrome
This module relies on the WebKit gdb module already existing in
your Python path.
"""
import gdb
import webkit
class String16Printer(webkit.StringPrinter):
def to_string(self):
return webkit.ustring_to_string(self.val['_M_dataplus']['_M_p'])
class GURLPrinter(webkit.StringPrinter):
def to_string(self):
return self.val['spec_']
class FilePathPrinter(object):
def __init__(self, val):
self.val = val
def to_string(self):
return self.val['path_']['_M_dataplus']['_M_p']
def lookup_function(val):
type_to_printer = {
'string16': String16Printer,
'GURL': GURLPrinter,
'FilePath': FilePathPrinter,
}
printer = type_to_printer.get(str(val.type), None)
if printer:
return printer(val)
return None
gdb.pretty_printers.append(lookup_function)
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