forked from qt-creator/qt-creator
d15e4ff2c9
This makes the GccExtension dumper test pass with GDB Change-Id: Ia1319e878416bea8b162a1a9eef1271cb7bebc63 Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>
1913 lines
69 KiB
Python
1913 lines
69 KiB
Python
############################################################################
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#
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# Copyright (C) 2015 The Qt Company Ltd.
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# Contact: http://www.qt.io/licensing
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#
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# This file is part of Qt Creator.
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#
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# Commercial License Usage
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# Licensees holding valid commercial Qt licenses may use this file in
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# accordance with the commercial license agreement provided with the
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# Software or, alternatively, in accordance with the terms contained in
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# a written agreement between you and The Qt Company. For licensing terms and
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# conditions see http://www.qt.io/terms-conditions. For further information
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# use the contact form at http://www.qt.io/contact-us.
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#
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# GNU Lesser General Public License Usage
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# Alternatively, this file may be used under the terms of the GNU Lesser
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# General Public License version 2.1 or version 3 as published by the Free
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# Software Foundation and appearing in the file LICENSE.LGPLv21 and
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# LICENSE.LGPLv3 included in the packaging of this file. Please review the
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# following information to ensure the GNU Lesser General Public License
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# requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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# http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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#
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# In addition, as a special exception, The Qt Company gives you certain additional
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# rights. These rights are described in The Qt Company LGPL Exception
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# version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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#
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############################################################################
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import os
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import struct
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import sys
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import base64
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import re
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import time
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import importlib
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if sys.version_info[0] >= 3:
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xrange = range
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toInteger = int
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else:
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toInteger = long
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verbosity = 0
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verbosity = 1
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# Debugger start modes. Keep in sync with DebuggerStartMode in debuggerconstants.h
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NoStartMode, \
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StartInternal, \
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StartExternal, \
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AttachExternal, \
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AttachCrashedExternal, \
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AttachCore, \
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AttachToRemoteServer, \
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AttachToRemoteProcess, \
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StartRemoteProcess, \
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= range(0, 9)
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# Known special formats. Keep in sync with DisplayFormat in watchhandler.h
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AutomaticFormat, \
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RawFormat, \
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SimpleFormat, \
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EnhancedFormat, \
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SeparateFormat, \
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Latin1StringFormat, \
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SeparateLatin1StringFormat, \
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Utf8StringFormat, \
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SeparateUtf8StringFormat, \
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Local8BitStringFormat, \
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Utf16StringFormat, \
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Ucs4StringFormat, \
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Array10Format, \
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Array100Format, \
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Array1000Format, \
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Array10000Format, \
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ArrayPlotFormat, \
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CompactMapFormat, \
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DirectQListStorageFormat, \
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IndirectQListStorageFormat, \
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= range(0, 20)
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# Breakpoints. Keep synchronized with BreakpointType in breakpoint.h
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UnknownType, \
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BreakpointByFileAndLine, \
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BreakpointByFunction, \
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BreakpointByAddress, \
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BreakpointAtThrow, \
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BreakpointAtCatch, \
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BreakpointAtMain, \
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BreakpointAtFork, \
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BreakpointAtExec, \
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BreakpointAtSysCall, \
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WatchpointAtAddress, \
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WatchpointAtExpression, \
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BreakpointOnQmlSignalEmit, \
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BreakpointAtJavaScriptThrow, \
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= range(0, 14)
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# Encodings. Keep that synchronized with DebuggerEncoding in debuggerprotocol.h
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Unencoded8Bit, \
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Base64Encoded8BitWithQuotes, \
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Base64Encoded16BitWithQuotes, \
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Base64Encoded32BitWithQuotes, \
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Base64Encoded16Bit, \
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Base64Encoded8Bit, \
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Hex2EncodedLatin1, \
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Hex4EncodedLittleEndian, \
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Hex8EncodedLittleEndian, \
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Hex2EncodedUtf8, \
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Hex8EncodedBigEndian, \
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Hex4EncodedBigEndian, \
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Hex4EncodedLittleEndianWithoutQuotes, \
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Hex2EncodedLocal8Bit, \
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JulianDate, \
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MillisecondsSinceMidnight, \
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JulianDateAndMillisecondsSinceMidnight, \
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Hex2EncodedInt1, \
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Hex2EncodedInt2, \
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Hex2EncodedInt4, \
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Hex2EncodedInt8, \
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Hex2EncodedUInt1, \
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Hex2EncodedUInt2, \
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Hex2EncodedUInt4, \
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Hex2EncodedUInt8, \
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Hex2EncodedFloat4, \
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Hex2EncodedFloat8, \
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IPv6AddressAndHexScopeId, \
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Hex2EncodedUtf8WithoutQuotes, \
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DateTimeInternal \
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= range(30)
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# Display modes. Keep that synchronized with DebuggerDisplay in watchutils.h
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StopDisplay, \
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DisplayImageData, \
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DisplayUtf16String, \
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DisplayImageFile, \
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DisplayLatin1String, \
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DisplayUtf8String, \
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DisplayPlotData \
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= range(7)
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def arrayForms():
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return [ArrayPlotFormat]
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def mapForms():
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return [CompactMapFormat]
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class ReportItem:
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"""
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Helper structure to keep temporary "best" information about a value
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or a type scheduled to be reported. This might get overridden be
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subsequent better guesses during a putItem() run.
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"""
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def __init__(self, value = None, encoding = None, priority = -100, elided = None):
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self.value = value
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self.priority = priority
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self.encoding = encoding
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self.elided = elided
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def __str__(self):
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return "Item(value: %s, encoding: %s, priority: %s, elided: %s)" \
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% (self.value, self.encoding, self.priority, self.elided)
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class Blob(object):
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"""
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Helper structure to keep a blob of bytes, possibly
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in the inferior.
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"""
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def __init__(self, data, isComplete = True):
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self.data = data
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self.size = len(data)
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self.isComplete = isComplete
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def size(self):
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return self.size
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def toBytes(self):
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"""Retrieves "lazy" contents from memoryviews."""
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data = self.data
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major = sys.version_info[0]
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if major == 3 or (major == 2 and sys.version_info[1] >= 7):
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if isinstance(data, memoryview):
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data = data.tobytes()
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if major == 2 and isinstance(data, buffer):
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data = ''.join([c for c in data])
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return data
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def toString(self):
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data = self.toBytes()
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return data if sys.version_info[0] == 2 else data.decode("utf8")
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def extractByte(self, offset = 0):
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return struct.unpack_from("b", self.data, offset)[0]
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def extractShort(self, offset = 0):
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return struct.unpack_from("h", self.data, offset)[0]
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def extractUShort(self, offset = 0):
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return struct.unpack_from("H", self.data, offset)[0]
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def extractInt(self, offset = 0):
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return struct.unpack_from("i", self.data, offset)[0]
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def extractUInt(self, offset = 0):
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return struct.unpack_from("I", self.data, offset)[0]
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def extractLong(self, offset = 0):
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return struct.unpack_from("l", self.data, offset)[0]
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# FIXME: Note these should take target architecture into account.
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def extractULong(self, offset = 0):
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return struct.unpack_from("L", self.data, offset)[0]
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def extractInt64(self, offset = 0):
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return struct.unpack_from("q", self.data, offset)[0]
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def extractUInt64(self, offset = 0):
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return struct.unpack_from("Q", self.data, offset)[0]
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def extractDouble(self, offset = 0):
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return struct.unpack_from("d", self.data, offset)[0]
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def extractFloat(self, offset = 0):
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return struct.unpack_from("f", self.data, offset)[0]
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def warn(message):
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print("XXX: %s\n" % message.encode("latin1"))
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def showException(msg, exType, exValue, exTraceback):
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warn("**** CAUGHT EXCEPTION: %s ****" % msg)
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try:
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import traceback
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for line in traceback.format_exception(exType, exValue, exTraceback):
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warn("%s" % line)
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except:
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pass
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class Children:
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def __init__(self, d, numChild = 1, childType = None, childNumChild = None,
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maxNumChild = None, addrBase = None, addrStep = None):
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self.d = d
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self.numChild = numChild
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self.childNumChild = childNumChild
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self.maxNumChild = maxNumChild
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self.addrBase = addrBase
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self.addrStep = addrStep
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self.printsAddress = True
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if childType is None:
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self.childType = None
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else:
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self.childType = d.stripClassTag(str(childType))
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if not self.d.isCli:
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self.d.put('childtype="%s",' % self.childType)
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if childNumChild is None:
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pass
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#if self.d.isSimpleType(childType):
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# self.d.put('childnumchild="0",')
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# self.childNumChild = 0
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#elif childType.code == PointerCode:
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# self.d.put('childnumchild="1",')
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# self.childNumChild = 1
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else:
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self.d.put('childnumchild="%s",' % childNumChild)
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self.childNumChild = childNumChild
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self.printsAddress = not self.d.putAddressRange(addrBase, addrStep)
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def __enter__(self):
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self.savedChildType = self.d.currentChildType
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self.savedChildNumChild = self.d.currentChildNumChild
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self.savedNumChild = self.d.currentNumChild
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self.savedMaxNumChild = self.d.currentMaxNumChild
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self.savedPrintsAddress = self.d.currentPrintsAddress
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self.d.currentChildType = self.childType
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self.d.currentChildNumChild = self.childNumChild
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self.d.currentNumChild = self.numChild
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self.d.currentMaxNumChild = self.maxNumChild
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self.d.currentPrintsAddress = self.printsAddress
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self.d.put(self.d.childrenPrefix)
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def __exit__(self, exType, exValue, exTraceBack):
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if not exType is None:
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if self.d.passExceptions:
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showException("CHILDREN", exType, exValue, exTraceBack)
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self.d.putNumChild(0)
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self.d.putValue("<not accessible>")
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if not self.d.currentMaxNumChild is None:
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if self.d.currentMaxNumChild < self.d.currentNumChild:
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self.d.put('{name="<incomplete>",value="",type="",numchild="0"},')
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self.d.currentChildType = self.savedChildType
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self.d.currentChildNumChild = self.savedChildNumChild
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self.d.currentNumChild = self.savedNumChild
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self.d.currentMaxNumChild = self.savedMaxNumChild
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self.d.currentPrintsAddress = self.savedPrintsAddress
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self.d.putNewline()
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self.d.put(self.d.childrenSuffix)
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return True
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class PairedChildrenData:
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def __init__(self, d, pairType, keyType, valueType, useKeyAndValue):
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self.useKeyAndValue = useKeyAndValue
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self.pairType = pairType
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self.keyType = keyType
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self.valueType = valueType
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self.isCompact = d.isMapCompact(self.keyType, self.valueType)
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self.childType = valueType if self.isCompact else pairType
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ns = d.qtNamespace()
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keyTypeName = d.stripClassTag(str(self.keyType))
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self.keyIsQString = keyTypeName == ns + "QString"
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self.keyIsQByteArray = keyTypeName == ns + "QByteArray"
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self.keyIsStdString = keyTypeName == "std::string" \
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or keyTypeName.startswith("std::basic_string<char")
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class PairedChildren(Children):
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def __init__(self, d, numChild, useKeyAndValue = False,
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pairType = None, keyType = None, valueType = None, maxNumChild = None):
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self.d = d
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if keyType is None:
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keyType = d.templateArgument(pairType, 0).unqualified()
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if valueType is None:
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valueType = d.templateArgument(pairType, 1)
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d.pairData = PairedChildrenData(d, pairType, keyType, valueType, useKeyAndValue)
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Children.__init__(self, d, numChild,
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d.pairData.childType,
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maxNumChild = maxNumChild,
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addrBase = None, addrStep = None)
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def __enter__(self):
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self.savedPairData = self.d.pairData if hasattr(self.d, "pairData") else None
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Children.__enter__(self)
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def __exit__(self, exType, exValue, exTraceBack):
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Children.__exit__(self, exType, exValue, exTraceBack)
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self.d.pairData = self.savedPairData if self.savedPairData else None
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class SubItem:
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def __init__(self, d, component):
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self.d = d
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self.name = component
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self.iname = None
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def __enter__(self):
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self.d.enterSubItem(self)
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def __exit__(self, exType, exValue, exTraceBack):
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return self.d.exitSubItem(self, exType, exValue, exTraceBack)
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class NoAddress:
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def __init__(self, d):
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self.d = d
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def __enter__(self):
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self.savedPrintsAddress = self.d.currentPrintsAddress
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self.d.currentPrintsAddress = False
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def __exit__(self, exType, exValue, exTraceBack):
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self.d.currentPrintsAddress = self.savedPrintsAddress
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class TopLevelItem(SubItem):
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def __init__(self, d, iname):
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self.d = d
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self.iname = iname
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self.name = None
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class UnnamedSubItem(SubItem):
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def __init__(self, d, component):
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self.d = d
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self.iname = "%s.%s" % (self.d.currentIName, component)
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self.name = None
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class DumperBase:
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def __init__(self):
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self.isCdb = False
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self.isGdb = False
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self.isLldb = False
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self.isCli = False
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# Later set, or not set:
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# cachedQtVersion
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self.stringCutOff = 10000
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self.displayStringLimit = 100
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# This is a cache mapping from 'type name' to 'display alternatives'.
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self.qqFormats = {}
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# This is a cache of all known dumpers.
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self.qqDumpers = {}
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# This is a cache of all dumpers that support writing.
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self.qqEditable = {}
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# This keeps canonical forms of the typenames, without array indices etc.
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self.cachedFormats = {}
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# Maps type names to static metaobjects. If a type is known
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# to not be QObject derived, it contains a 0 value.
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self.knownStaticMetaObjects = {}
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self.childrenPrefix = 'children=['
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self.childrenSuffix = '],'
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self.dumpermodules = [
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"qttypes",
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"stdtypes",
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"misctypes",
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"boosttypes",
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"creatortypes",
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|
"personaltypes",
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]
|
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|
|
|
|
def putNewline(self):
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pass
|
|
|
|
def stripClassTag(self, typeName):
|
|
if typeName.startswith("class "):
|
|
return typeName[6:]
|
|
if typeName.startswith("struct "):
|
|
return typeName[7:]
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|
if typeName.startswith("const "):
|
|
return typeName[6:]
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|
if typeName.startswith("volatile "):
|
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return typeName[9:]
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|
return typeName
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|
|
|
def stripForFormat(self, typeName):
|
|
if typeName in self.cachedFormats:
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|
return self.cachedFormats[typeName]
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|
stripped = ""
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|
inArray = 0
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|
for c in self.stripClassTag(typeName):
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|
if c == '<':
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|
break
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|
if c == ' ':
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|
continue
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|
if c == '[':
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|
inArray += 1
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|
elif c == ']':
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|
inArray -= 1
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|
if inArray and ord(c) >= 48 and ord(c) <= 57:
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continue
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|
stripped += c
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|
self.cachedFormats[typeName] = stripped
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|
return stripped
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|
|
|
# Hex decoding operating on str, return str.
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|
def hexdecode(self, s):
|
|
if sys.version_info[0] == 2:
|
|
return s.decode("hex")
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|
return bytes.fromhex(s).decode("utf8")
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|
|
|
# Hex decoding operating on str or bytes, return str.
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|
def hexencode(self, s):
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|
if sys.version_info[0] == 2:
|
|
return s.encode("hex")
|
|
if isinstance(s, str):
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|
s = s.encode("utf8")
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|
return base64.b16encode(s).decode("utf8")
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|
|
|
#def toBlob(self, value):
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|
# """Abstract"""
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|
|
|
def is32bit(self):
|
|
return self.ptrSize() == 4
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|
|
|
def is64bit(self):
|
|
return self.ptrSize() == 8
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|
|
|
def isQt3Support(self):
|
|
# assume no Qt 3 support by default
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|
return False
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|
|
|
def lookupQtType(self, typeName):
|
|
return self.lookupType(self.qtNamespace() + typeName)
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|
|
|
# Clamps size to limit.
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|
def computeLimit(self, size, limit):
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|
if limit == 0:
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|
limit = self.displayStringLimit
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|
if limit is None or size <= limit:
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|
return 0, size
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|
return size, limit
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|
|
|
def vectorDataHelper(self, addr):
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|
if self.qtVersion() >= 0x050000:
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|
size = self.extractInt(addr + 4)
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|
alloc = self.extractInt(addr + 8) & 0x7ffffff
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data = addr + self.extractPointer(addr + 8 + self.ptrSize())
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else:
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|
alloc = self.extractInt(addr + 4)
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|
size = self.extractInt(addr + 8)
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|
data = addr + 16
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|
return data, size, alloc
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|
|
|
def byteArrayDataHelper(self, addr):
|
|
if self.qtVersion() >= 0x050000:
|
|
# QTypedArray:
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|
# - QtPrivate::RefCount ref
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|
# - int size
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|
# - uint alloc : 31, capacityReserved : 1
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|
# - qptrdiff offset
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|
size = self.extractInt(addr + 4)
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alloc = self.extractInt(addr + 8) & 0x7ffffff
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data = addr + self.extractPointer(addr + 8 + self.ptrSize())
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|
if self.ptrSize() == 4:
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data = data & 0xffffffff
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else:
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|
data = data & 0xffffffffffffffff
|
|
elif self.qtVersion() >= 0x040000:
|
|
# Data:
|
|
# - QBasicAtomicInt ref;
|
|
# - int alloc, size;
|
|
# - [padding]
|
|
# - char *data;
|
|
alloc = self.extractInt(addr + 4)
|
|
size = self.extractInt(addr + 8)
|
|
data = self.extractPointer(addr + 8 + self.ptrSize())
|
|
else:
|
|
# Data:
|
|
# - QShared count;
|
|
# - QChar *unicode
|
|
# - char *ascii
|
|
# - uint len: 30
|
|
size = self.extractInt(addr + 3 * self.ptrSize()) & 0x3ffffff
|
|
alloc = size # pretend.
|
|
data = self.extractPointer(addr + self.ptrSize())
|
|
return data, size, alloc
|
|
|
|
# addr is the begin of a QByteArrayData structure
|
|
def encodeStringHelper(self, addr, limit):
|
|
# Should not happen, but we get it with LLDB as result
|
|
# of inferior calls
|
|
if addr == 0:
|
|
return 0, ""
|
|
data, size, alloc = self.byteArrayDataHelper(addr)
|
|
if alloc != 0:
|
|
self.check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
|
|
elided, shown = self.computeLimit(size, limit)
|
|
return elided, self.readMemory(data, 2 * shown)
|
|
|
|
def encodeByteArrayHelper(self, addr, limit):
|
|
data, size, alloc = self.byteArrayDataHelper(addr)
|
|
if alloc != 0:
|
|
self.check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
|
|
elided, shown = self.computeLimit(size, limit)
|
|
return elided, self.readMemory(data, shown)
|
|
|
|
def putStdStringHelper(self, data, size, charSize, displayFormat = AutomaticFormat):
|
|
bytelen = size * charSize
|
|
elided, shown = self.computeLimit(bytelen, self.displayStringLimit)
|
|
mem = self.readMemory(data, shown)
|
|
if charSize == 1:
|
|
if displayFormat == Latin1StringFormat \
|
|
or displayFormat == SeparateLatin1StringFormat:
|
|
encodingType = Hex2EncodedLatin1
|
|
else:
|
|
encodingType = Hex2EncodedUtf8
|
|
displayType = DisplayLatin1String
|
|
elif charSize == 2:
|
|
encodingType = Hex4EncodedLittleEndian
|
|
displayType = DisplayUtf16String
|
|
else:
|
|
encodingType = Hex8EncodedLittleEndian
|
|
displayType = DisplayUtf16String
|
|
|
|
self.putNumChild(0)
|
|
self.putValue(mem, encodingType, elided=elided)
|
|
|
|
if displayFormat == SeparateLatin1StringFormat \
|
|
or displayFormat == SeparateUtf8StringFormat:
|
|
self.putField("editformat", displayType)
|
|
elided, shown = self.computeLimit(bytelen, 100000)
|
|
self.putField("editvalue", self.readMemory(data, shown))
|
|
|
|
def readMemory(self, addr, size):
|
|
data = self.extractBlob(addr, size).toBytes()
|
|
return self.hexencode(data)
|
|
|
|
def encodeByteArray(self, value, limit = 0):
|
|
elided, data = self.encodeByteArrayHelper(self.extractPointer(value), limit)
|
|
return data
|
|
|
|
def byteArrayData(self, value):
|
|
return self.byteArrayDataHelper(self.extractPointer(value))
|
|
|
|
def putByteArrayValue(self, value):
|
|
elided, data = self.encodeByteArrayHelper(self.extractPointer(value), self.displayStringLimit)
|
|
self.putValue(data, Hex2EncodedLatin1, elided=elided)
|
|
|
|
def encodeString(self, value, limit = 0):
|
|
elided, data = self.encodeStringHelper(self.extractPointer(value), limit)
|
|
return data
|
|
|
|
def encodedUtf16ToUtf8(self, s):
|
|
return ''.join([chr(int(s[i:i+2], 16)) for i in range(0, len(s), 4)])
|
|
|
|
def encodeStringUtf8(self, value, limit = 0):
|
|
return self.encodedUtf16ToUtf8(self.encodeString(value, limit))
|
|
|
|
def stringData(self, value):
|
|
return self.byteArrayDataHelper(self.extractPointer(value))
|
|
|
|
def encodeStdString(self, value, limit = 0):
|
|
data = value["_M_dataplus"]["_M_p"]
|
|
sizePtr = data.cast(self.sizetType().pointer())
|
|
size = int(sizePtr[-3])
|
|
alloc = int(sizePtr[-2])
|
|
self.check(0 <= size and size <= alloc and alloc <= 100*1000*1000)
|
|
elided, shown = self.computeLimit(size, limit)
|
|
return self.readMemory(data, shown)
|
|
|
|
def extractTemplateArgument(self, typename, position):
|
|
level = 0
|
|
skipSpace = False
|
|
inner = ''
|
|
for c in typename[typename.find('<') + 1 : -1]:
|
|
if c == '<':
|
|
inner += c
|
|
level += 1
|
|
elif c == '>':
|
|
level -= 1
|
|
inner += c
|
|
elif c == ',':
|
|
if level == 0:
|
|
if position == 0:
|
|
return inner.strip()
|
|
position -= 1
|
|
inner = ''
|
|
else:
|
|
inner += c
|
|
skipSpace = True
|
|
else:
|
|
if skipSpace and c == ' ':
|
|
pass
|
|
else:
|
|
inner += c
|
|
skipSpace = False
|
|
return inner.strip()
|
|
|
|
def putStringValueByAddress(self, addr):
|
|
elided, data = self.encodeStringHelper(addr, self.displayStringLimit)
|
|
self.putValue(data, Hex4EncodedLittleEndian, elided=elided)
|
|
|
|
def putStringValue(self, value):
|
|
elided, data = self.encodeStringHelper(
|
|
self.extractPointer(value),
|
|
self.displayStringLimit)
|
|
self.putValue(data, Hex4EncodedLittleEndian, elided=elided)
|
|
|
|
def putAddressItem(self, name, value, type = ""):
|
|
with SubItem(self, name):
|
|
self.putValue("0x%x" % value)
|
|
self.putType(type)
|
|
self.putNumChild(0)
|
|
|
|
def putIntItem(self, name, value):
|
|
with SubItem(self, name):
|
|
self.putValue(value)
|
|
self.putType("int")
|
|
self.putNumChild(0)
|
|
|
|
def putBoolItem(self, name, value):
|
|
with SubItem(self, name):
|
|
self.putValue(value)
|
|
self.putType("bool")
|
|
self.putNumChild(0)
|
|
|
|
def putGenericItem(self, name, type, value, encoding = None):
|
|
with SubItem(self, name):
|
|
self.putValue(value, encoding)
|
|
self.putType(type)
|
|
self.putNumChild(0)
|
|
|
|
def putCallItem(self, name, value, func, *args):
|
|
try:
|
|
result = self.callHelper(value, func, args)
|
|
with SubItem(self, name):
|
|
self.putItem(result)
|
|
except:
|
|
with SubItem(self, name):
|
|
self.putValue("<not callable>")
|
|
self.putNumChild(0)
|
|
|
|
def call(self, value, func, *args):
|
|
return self.callHelper(value, func, args)
|
|
|
|
def putAddressRange(self, base, step):
|
|
try:
|
|
if not addrBase is None and not step is None:
|
|
self.put('addrbase="0x%x",' % toInteger(base))
|
|
self.put('addrstep="0x%x",' % toInteger(step))
|
|
return True
|
|
except:
|
|
#warn("ADDRBASE: %s" % base)
|
|
#warn("ADDRSTEP: %s" % step)
|
|
pass
|
|
return False
|
|
|
|
#warn("CHILDREN: %s %s %s" % (numChild, childType, childNumChild))
|
|
def putMapName(self, value, index = None):
|
|
ns = self.qtNamespace()
|
|
typeName = self.stripClassTag(str(value.type))
|
|
if typeName == ns + "QString":
|
|
self.put('key="%s",' % self.encodeString(value))
|
|
self.put('keyencoded="%s",' % Hex4EncodedLittleEndian)
|
|
elif typeName == ns + "QByteArray":
|
|
self.put('key="%s",' % self.encodeByteArray(value))
|
|
self.put('keyencoded="%s",' % Hex2EncodedLatin1)
|
|
elif typeName == "std::string":
|
|
self.put('key="%s",' % self.encodeStdString(value))
|
|
self.put('keyencoded="%s",' % Hex2EncodedLatin1)
|
|
else:
|
|
val = str(value.GetValue()) if self.isLldb else str(value)
|
|
if index is None:
|
|
key = '%s' % val
|
|
else:
|
|
key = '[%s] %s' % (index, val)
|
|
self.put('key="%s",' % self.hexencode(key))
|
|
self.put('keyencoded="%s",' % Hex2EncodedUtf8WithoutQuotes)
|
|
|
|
def putPair(self, pair, index = None):
|
|
if self.pairData.useKeyAndValue:
|
|
key = pair["key"]
|
|
value = pair["value"]
|
|
else:
|
|
key = pair["first"]
|
|
value = pair["second"]
|
|
if self.pairData.isCompact:
|
|
if self.pairData.keyIsQString:
|
|
self.put('key="%s",' % self.encodeString(key))
|
|
self.put('keyencoded="%s",' % Hex4EncodedLittleEndian)
|
|
elif self.pairData.keyIsQByteArray:
|
|
self.put('key="%s",' % self.encodeByteArray(key))
|
|
self.put('keyencoded="%s",' % Hex2EncodedLatin1)
|
|
elif self.pairData.keyIsStdString:
|
|
self.put('key="%s",' % self.encodeStdString(key))
|
|
self.put('keyencoded="%s",' % Hex2EncodedLatin1)
|
|
else:
|
|
name = str(key.GetValue()) if self.isLldb else str(key)
|
|
if index == -1:
|
|
self.put('name="%s",' % name)
|
|
else:
|
|
self.put('key="[%s] %s",' % (index, name))
|
|
self.putItem(value)
|
|
else:
|
|
self.putEmptyValue()
|
|
self.putNumChild(2)
|
|
self.putField("iname", self.currentIName)
|
|
if self.isExpanded():
|
|
with Children(self):
|
|
if self.pairData.useKeyAndValue:
|
|
self.putSubItem("key", key)
|
|
self.putSubItem("value", value)
|
|
else:
|
|
self.putSubItem("first", key)
|
|
self.putSubItem("second", value)
|
|
|
|
def putPlainChildren(self, value, dumpBase = True):
|
|
self.putEmptyValue(-99)
|
|
self.putNumChild(1)
|
|
if self.isExpanded():
|
|
with Children(self):
|
|
self.putFields(value, dumpBase)
|
|
|
|
def isMapCompact(self, keyType, valueType):
|
|
if self.currentItemFormat() == CompactMapFormat:
|
|
return True
|
|
return self.isSimpleType(keyType) and self.isSimpleType(valueType)
|
|
|
|
|
|
def check(self, exp):
|
|
if not exp:
|
|
raise RuntimeError("Check failed")
|
|
|
|
def checkRef(self, ref):
|
|
try:
|
|
count = int(ref["atomic"]["_q_value"]) # Qt 5.
|
|
minimum = -1
|
|
except:
|
|
count = int(ref["_q_value"]) # Qt 4.
|
|
minimum = 0
|
|
# Assume there aren't a million references to any object.
|
|
self.check(count >= minimum)
|
|
self.check(count < 1000000)
|
|
|
|
def readToFirstZero(self, p, tsize, maximum):
|
|
code = (None, "b", "H", None, "I")[tsize]
|
|
base = toInteger(p)
|
|
blob = self.extractBlob(base, maximum).toBytes()
|
|
for i in xrange(0, int(maximum / tsize)):
|
|
t = struct.unpack_from(code, blob, i)[0]
|
|
if t == 0:
|
|
return 0, i, self.hexencode(blob[:i])
|
|
|
|
# Real end is unknown.
|
|
return -1, maximum, self.hexencode(blob[:maximum])
|
|
|
|
def encodeCArray(self, p, tsize, limit):
|
|
elided, shown, blob = self.readToFirstZero(p, tsize, limit)
|
|
return elided, blob
|
|
|
|
def putItemCount(self, count, maximum = 1000000000):
|
|
# This needs to override the default value, so don't use 'put' directly.
|
|
if count > maximum:
|
|
self.putValue('<>%s items>' % maximum)
|
|
else:
|
|
self.putValue('<%s items>' % count)
|
|
self.putNumChild(count)
|
|
|
|
def putField(self, name, value):
|
|
self.put('%s="%s",' % (name, value))
|
|
|
|
def putType(self, type, priority = 0):
|
|
# Higher priority values override lower ones.
|
|
if priority >= self.currentType.priority:
|
|
self.currentType.value = str(type)
|
|
self.currentType.priority = priority
|
|
|
|
def putValue(self, value, encoding = None, priority = 0, elided = None):
|
|
# Higher priority values override lower ones.
|
|
# elided = 0 indicates all data is available in value,
|
|
# otherwise it's the true length.
|
|
if priority >= self.currentValue.priority:
|
|
self.currentValue = ReportItem(value, encoding, priority, elided)
|
|
|
|
def putEmptyValue(self, priority = -10):
|
|
if priority >= self.currentValue.priority:
|
|
self.currentValue = ReportItem("", None, priority, None)
|
|
|
|
def putName(self, name):
|
|
self.put('name="%s",' % name)
|
|
|
|
def putBetterType(self, type):
|
|
if isinstance(type, ReportItem):
|
|
self.currentType.value = str(type.value)
|
|
else:
|
|
self.currentType.value = str(type)
|
|
self.currentType.priority += 1
|
|
|
|
def putNoType(self):
|
|
# FIXME: replace with something that does not need special handling
|
|
# in SubItem.__exit__().
|
|
self.putBetterType(" ")
|
|
|
|
def putInaccessible(self):
|
|
#self.putBetterType(" ")
|
|
self.putNumChild(0)
|
|
self.currentValue.value = None
|
|
|
|
def putNamedSubItem(self, component, value, name):
|
|
with SubItem(self, component):
|
|
self.putName(name)
|
|
self.putItem(value)
|
|
|
|
def isExpanded(self):
|
|
#warn("IS EXPANDED: %s in %s: %s" % (self.currentIName,
|
|
# self.expandedINames, self.currentIName in self.expandedINames))
|
|
return self.currentIName in self.expandedINames
|
|
|
|
def putPlainChildren(self, value):
|
|
self.putEmptyValue(-99)
|
|
self.putNumChild(1)
|
|
if self.currentIName in self.expandedINames:
|
|
with Children(self):
|
|
self.putFields(value)
|
|
|
|
def putCStyleArray(self, value):
|
|
arrayType = value.type.unqualified()
|
|
innerType = value[0].type
|
|
innerTypeName = str(innerType.unqualified())
|
|
ts = innerType.sizeof
|
|
|
|
try:
|
|
self.putValue("@0x%x" % self.addressOf(value), priority = -1)
|
|
except:
|
|
self.putEmptyValue()
|
|
self.putType(arrayType)
|
|
|
|
try:
|
|
p = self.addressOf(value)
|
|
except:
|
|
p = None
|
|
|
|
displayFormat = self.currentItemFormat()
|
|
n = int(arrayType.sizeof / ts)
|
|
|
|
if displayFormat != RawFormat:
|
|
if innerTypeName == "char":
|
|
# Use Latin1 as default for char [].
|
|
blob = self.readMemory(self.addressOf(value), arrayType.sizeof)
|
|
self.putValue(blob, Hex2EncodedLatin1)
|
|
elif innerTypeName == "wchar_t":
|
|
blob = self.readMemory(self.addressOf(value), arrayType.sizeof)
|
|
if innerType.sizeof == 2:
|
|
self.putValue(blob, Hex4EncodedLittleEndian)
|
|
else:
|
|
self.putValue(blob, Hex8EncodedLittleEndian)
|
|
elif p:
|
|
self.tryPutSimpleFormattedPointer(p, arrayType, innerTypeName, displayFormat, arrayType.sizeof)
|
|
self.putNumChild(n)
|
|
|
|
if self.isExpanded():
|
|
with Children(self):
|
|
for i in range(n):
|
|
self.putSubItem(i, value[i])
|
|
|
|
self.putPlotDataHelper(p, n, innerType)
|
|
|
|
def cleanAddress(self, addr):
|
|
if addr is None:
|
|
return "<no address>"
|
|
# We cannot use str(addr) as it yields rubbish for char pointers
|
|
# that might trigger Unicode encoding errors.
|
|
#return addr.cast(lookupType("void").pointer())
|
|
# We do not use "hex(...)" as it (sometimes?) adds a "L" suffix.
|
|
try:
|
|
return "0x%x" % toInteger(addr)
|
|
except:
|
|
warn("CANNOT CONVERT TYPE: %s" % type(addr))
|
|
try:
|
|
warn("ADDR: %s" % addr)
|
|
except:
|
|
pass
|
|
try:
|
|
warn("TYPE: %s" % addr.type)
|
|
except:
|
|
pass
|
|
return str(addr)
|
|
|
|
def tryPutPrettyItem(self, typeName, value):
|
|
if self.useFancy and self.currentItemFormat() != RawFormat:
|
|
self.putType(typeName)
|
|
|
|
nsStrippedType = self.stripNamespaceFromType(typeName)\
|
|
.replace("::", "__")
|
|
|
|
# The following block is only needed for D.
|
|
if nsStrippedType.startswith("_A"):
|
|
# DMD v2.058 encodes string[] as _Array_uns long long.
|
|
# With spaces.
|
|
if nsStrippedType.startswith("_Array_"):
|
|
qdump_Array(self, value)
|
|
return True
|
|
if nsStrippedType.startswith("_AArray_"):
|
|
qdump_AArray(self, value)
|
|
return True
|
|
|
|
dumper = self.qqDumpers.get(nsStrippedType)
|
|
if not dumper is None:
|
|
dumper(self, value)
|
|
return True
|
|
|
|
return False
|
|
|
|
def tryPutArrayContents(self, base, n, innerType):
|
|
enc = self.simpleEncoding(innerType)
|
|
if not enc:
|
|
return False
|
|
size = n * innerType.sizeof;
|
|
self.put('childtype="%s",' % innerType)
|
|
self.put('addrbase="0x%x",' % toInteger(base))
|
|
self.put('addrstep="0x%x",' % toInteger(innerType.sizeof))
|
|
self.put('arrayencoding="%s",' % enc)
|
|
self.put('arraydata="')
|
|
self.put(self.readMemory(base, size))
|
|
self.put('",')
|
|
return True
|
|
|
|
def putSimpleCharArray(self, base, size = None):
|
|
if size is None:
|
|
elided, shown, data = self.readToFirstZero(base, 1, self.displayStringLimit)
|
|
else:
|
|
elided, shown = self.computeLimit(int(size), self.displayStringLimit)
|
|
data = self.readMemory(base, shown)
|
|
self.putValue(data, Hex2EncodedLatin1, elided=elided)
|
|
|
|
def putDisplay(self, editFormat, value):
|
|
self.put('editformat="%s",' % editFormat)
|
|
self.put('editvalue="%s",' % value)
|
|
|
|
# This is shared by pointer and array formatting.
|
|
def tryPutSimpleFormattedPointer(self, value, typeName, innerTypeName, displayFormat, limit):
|
|
if displayFormat == AutomaticFormat and innerTypeName == "char":
|
|
# Use Latin1 as default for char *.
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 1, limit)
|
|
self.putValue(data, Hex2EncodedLatin1, elided=elided)
|
|
return True
|
|
|
|
if displayFormat == Latin1StringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 1, limit)
|
|
self.putValue(data, Hex2EncodedLatin1, elided=elided)
|
|
return True
|
|
|
|
if displayFormat == SeparateLatin1StringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 1, limit)
|
|
self.putValue(data, Hex2EncodedLatin1, elided=elided)
|
|
self.putDisplay(DisplayLatin1String, data)
|
|
return True
|
|
|
|
if displayFormat == Utf8StringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 1, limit)
|
|
self.putValue(data, Hex2EncodedUtf8, elided=elided)
|
|
return True
|
|
|
|
if displayFormat == SeparateUtf8StringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 1, limit)
|
|
self.putValue(data, Hex2EncodedUtf8, elided=elided)
|
|
self.putDisplay(DisplayUtf8String, data)
|
|
return True
|
|
|
|
if displayFormat == Local8BitStringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 1, limit)
|
|
self.putValue(data, Hex2EncodedLocal8Bit, elided=elided)
|
|
return True
|
|
|
|
if displayFormat == Utf16StringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 2, limit)
|
|
self.putValue(data, Hex4EncodedLittleEndian, elided=elided)
|
|
return True
|
|
|
|
if displayFormat == Ucs4StringFormat:
|
|
self.putType(typeName)
|
|
(elided, data) = self.encodeCArray(value, 4, limit)
|
|
self.putValue(data, Hex8EncodedLittleEndian, elided=elided)
|
|
return True
|
|
|
|
return False
|
|
|
|
def putFormattedPointer(self, value):
|
|
#warn("POINTER: %s" % value)
|
|
if self.isNull(value):
|
|
#warn("NULL POINTER")
|
|
self.putType(value.type)
|
|
self.putValue("0x0")
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
typeName = str(value.type)
|
|
innerType = value.type.target().unqualified()
|
|
innerTypeName = str(innerType)
|
|
|
|
try:
|
|
target = value.dereference()
|
|
target.is_optimized_out # Access test.
|
|
except:
|
|
# Failure to dereference a pointer should at least
|
|
# show the value of a pointer.
|
|
self.putValue(self.cleanAddress(value))
|
|
self.putType(typeName)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
displayFormat = self.currentItemFormat(value.type)
|
|
|
|
if innerTypeName == "void":
|
|
#warn("VOID POINTER: %s" % displayFormat)
|
|
self.putType(typeName)
|
|
self.putValue(str(value))
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if displayFormat == RawFormat:
|
|
# Explicitly requested bald pointer.
|
|
self.putType(typeName)
|
|
self.putValue(self.hexencode(str(value)), Hex2EncodedUtf8WithoutQuotes)
|
|
self.putNumChild(1)
|
|
if self.currentIName in self.expandedINames:
|
|
with Children(self):
|
|
with SubItem(self, '*'):
|
|
self.putItem(value.dereference())
|
|
return
|
|
|
|
limit = self.displayStringLimit
|
|
if displayFormat == SeparateLatin1StringFormat \
|
|
or displayFormat == SeparateUtf8StringFormat:
|
|
limit = 1000000
|
|
if self.tryPutSimpleFormattedPointer(value, typeName, innerTypeName, displayFormat, limit):
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
if Array10Format <= displayFormat and displayFormat <= Array1000Format:
|
|
n = (10, 100, 1000, 10000)[displayFormat - Array10Format]
|
|
self.putType(typeName)
|
|
self.putItemCount(n)
|
|
self.putArrayData(value, n, innerType)
|
|
return
|
|
|
|
if self.isFunctionType(innerType):
|
|
# A function pointer.
|
|
val = str(value)
|
|
pos = val.find(" = ") # LLDB only, but...
|
|
if pos > 0:
|
|
val = val[pos + 3:]
|
|
self.putValue(val)
|
|
self.putType(innerTypeName)
|
|
self.putNumChild(0)
|
|
return
|
|
|
|
#warn("AUTODEREF: %s" % self.autoDerefPointers)
|
|
#warn("INAME: %s" % self.currentIName)
|
|
if self.autoDerefPointers or self.currentIName.endswith('.this'):
|
|
# Generic pointer type with AutomaticFormat.
|
|
# Never dereference char types.
|
|
if innerTypeName != "char" \
|
|
and innerTypeName != "signed char" \
|
|
and innerTypeName != "unsigned char" \
|
|
and innerTypeName != "wchar_t":
|
|
self.putType(innerTypeName)
|
|
savedCurrentChildType = self.currentChildType
|
|
self.currentChildType = self.stripClassTag(innerTypeName)
|
|
self.putItem(value.dereference())
|
|
self.currentChildType = savedCurrentChildType
|
|
#self.putPointerValue(value)
|
|
self.putOriginalAddress(value)
|
|
return
|
|
|
|
#warn("GENERIC PLAIN POINTER: %s" % value.type)
|
|
#warn("ADDR PLAIN POINTER: 0x%x" % value.address)
|
|
self.putType(typeName)
|
|
self.putValue("0x%x" % self.pointerValue(value))
|
|
self.putNumChild(1)
|
|
if self.currentIName in self.expandedINames:
|
|
with Children(self):
|
|
with SubItem(self, "*"):
|
|
self.putItem(value.dereference())
|
|
|
|
def putOriginalAddress(self, value):
|
|
if not value.address is None:
|
|
self.put('origaddr="0x%x",' % toInteger(value.address))
|
|
|
|
def putQObjectNameValue(self, value):
|
|
try:
|
|
intSize = self.intSize()
|
|
ptrSize = self.ptrSize()
|
|
# dd = value["d_ptr"]["d"] is just behind the vtable.
|
|
dd = self.extractPointer(value, offset=ptrSize)
|
|
|
|
if self.qtVersion() < 0x050000:
|
|
# Size of QObjectData: 5 pointer + 2 int
|
|
# - vtable
|
|
# - QObject *q_ptr;
|
|
# - QObject *parent;
|
|
# - QObjectList children;
|
|
# - uint isWidget : 1; etc..
|
|
# - int postedEvents;
|
|
# - QMetaObject *metaObject;
|
|
|
|
# Offset of objectName in QObjectPrivate: 5 pointer + 2 int
|
|
# - [QObjectData base]
|
|
# - QString objectName
|
|
objectName = self.extractPointer(dd + 5 * ptrSize + 2 * intSize)
|
|
|
|
else:
|
|
# Size of QObjectData: 5 pointer + 2 int
|
|
# - vtable
|
|
# - QObject *q_ptr;
|
|
# - QObject *parent;
|
|
# - QObjectList children;
|
|
# - uint isWidget : 1; etc...
|
|
# - int postedEvents;
|
|
# - QDynamicMetaObjectData *metaObject;
|
|
extra = self.extractPointer(dd + 5 * ptrSize + 2 * intSize)
|
|
if extra == 0:
|
|
return False
|
|
|
|
# Offset of objectName in ExtraData: 6 pointer
|
|
# - QVector<QObjectUserData *> userData; only #ifndef QT_NO_USERDATA
|
|
# - QList<QByteArray> propertyNames;
|
|
# - QList<QVariant> propertyValues;
|
|
# - QVector<int> runningTimers;
|
|
# - QList<QPointer<QObject> > eventFilters;
|
|
# - QString objectName
|
|
objectName = self.extractPointer(extra + 5 * ptrSize)
|
|
|
|
data, size, alloc = self.byteArrayDataHelper(objectName)
|
|
|
|
# Object names are short, and GDB can crash on to big chunks.
|
|
# Since this here is a convenience feature only, limit it.
|
|
if size <= 0 or size > 80:
|
|
return False
|
|
|
|
raw = self.readMemory(data, 2 * size)
|
|
self.putValue(raw, Hex4EncodedLittleEndian, 1)
|
|
return True
|
|
|
|
except:
|
|
# warn("NO QOBJECT: %s" % value.type)
|
|
pass
|
|
|
|
|
|
def extractStaticMetaObjectHelper(self, typeobj):
|
|
"""
|
|
Checks whether type has a Q_OBJECT macro.
|
|
Returns the staticMetaObject, or 0.
|
|
"""
|
|
|
|
if self.isSimpleType(typeobj):
|
|
return 0
|
|
|
|
typeName = str(typeobj)
|
|
isQObjectProper = typeName == self.qtNamespace() + "QObject"
|
|
|
|
if not isQObjectProper:
|
|
if self.directBaseClass(typeobj, 0) is None:
|
|
return 0
|
|
|
|
# No templates for now.
|
|
if typeName.find('<') >= 0:
|
|
return 0
|
|
|
|
result = self.findStaticMetaObject(typeName)
|
|
|
|
# We need to distinguish Q_OBJECT from Q_GADGET:
|
|
# a Q_OBJECT SMO has a non-null superdata (unless it's QObject itself),
|
|
# a Q_GADGET SMO has a null superdata (hopefully)
|
|
if result and not isQObjectProper:
|
|
superdata = self.extractPointer(result)
|
|
if toInteger(superdata) == 0:
|
|
# This looks like a Q_GADGET
|
|
return 0
|
|
|
|
return result
|
|
|
|
def extractStaticMetaObject(self, typeobj):
|
|
"""
|
|
Checks recursively whether a type derives from QObject.
|
|
"""
|
|
if not self.useFancy:
|
|
return 0
|
|
|
|
typeName = str(typeobj)
|
|
result = self.knownStaticMetaObjects.get(typeName, None)
|
|
if result is not None: # Is 0 or the static metaobject.
|
|
return result
|
|
|
|
try:
|
|
result = self.extractStaticMetaObjectHelper(typeobj)
|
|
except RuntimeError as error:
|
|
warn("METAOBJECT EXTRACTION FAILED: %s" % error)
|
|
result = 0
|
|
except:
|
|
warn("METAOBJECT EXTRACTION FAILED FOR UNKNOWN REASON")
|
|
result = 0
|
|
|
|
if not result:
|
|
base = self.directBaseClass(typeobj, 0)
|
|
if base:
|
|
result = self.extractStaticMetaObject(base)
|
|
|
|
self.knownStaticMetaObjects[typeName] = result
|
|
return result
|
|
|
|
def staticQObjectMetaData(self, metaobject, offset1, offset2, step):
|
|
items = []
|
|
dd = metaobject["d"]
|
|
data = self.extractPointer(dd["data"])
|
|
sd = self.extractPointer(dd["stringdata"])
|
|
|
|
metaObjectVersion = self.extractInt(data)
|
|
itemCount = self.extractInt(data + offset1)
|
|
itemData = -offset2 if offset2 < 0 else self.extractInt(data + offset2)
|
|
|
|
if metaObjectVersion >= 7: # Qt 5.
|
|
byteArrayDataType = self.lookupType(self.qtNamespace() + "QByteArrayData")
|
|
byteArrayDataSize = byteArrayDataType.sizeof
|
|
for i in range(itemCount):
|
|
x = data + (itemData + step * i) * 4
|
|
literal = sd + self.extractInt(x) * byteArrayDataSize
|
|
ldata, lsize, lalloc = self.byteArrayDataHelper(literal)
|
|
items.append(self.extractBlob(ldata, lsize).toString())
|
|
else: # Qt 4.
|
|
for i in range(itemCount):
|
|
x = data + (itemData + step * i) * 4
|
|
ldata = sd + self.extractInt(x)
|
|
items.append(self.extractCString(ldata).decode("utf8"))
|
|
|
|
return items
|
|
|
|
def staticQObjectPropertyCount(self, metaobject):
|
|
return self.extractInt(self.extractPointer(metaobject["d"]["data"]) + 24)
|
|
|
|
def staticQObjectPropertyNames(self, metaobject):
|
|
return self.staticQObjectMetaData(metaobject, 24, 28, 3)
|
|
|
|
def staticQObjectMethodCount(self, metaobject):
|
|
return self.extractInt(self.extractPointer(metaobject["d"]["data"]) + 16)
|
|
|
|
def staticQObjectMethodNames(self, metaobject):
|
|
return self.staticQObjectMetaData(metaobject, 16, 20, 5)
|
|
|
|
def staticQObjectSignalCount(self, metaobject):
|
|
return self.extractInt(self.extractPointer(metaobject["d"]["data"]) + 52)
|
|
|
|
def staticQObjectSignalNames(self, metaobject):
|
|
return self.staticQObjectMetaData(metaobject, 52, -14, 5)
|
|
|
|
def extractCString(self, addr):
|
|
result = bytearray()
|
|
while True:
|
|
d = self.extractByte(addr)
|
|
if d == 0:
|
|
break
|
|
result.append(d)
|
|
addr += 1
|
|
return result
|
|
|
|
def listChildrenGenerator(self, addr, typeName):
|
|
innerType = self.lookupType(self.qtNamespace() + typeName)
|
|
base = self.extractPointer(addr)
|
|
begin = self.extractInt(base + 8)
|
|
end = self.extractInt(base + 12)
|
|
array = base + 16
|
|
if self.qtVersion() < 0x50000:
|
|
array += self.ptrSize()
|
|
size = end - begin
|
|
innerSize = innerType.sizeof
|
|
stepSize = self.ptrSize()
|
|
addr = array + begin * stepSize
|
|
isInternal = innerSize <= stepSize and self.isMovableType(innerType)
|
|
for i in range(size):
|
|
if isInternal:
|
|
yield self.createValue(addr + i * stepSize, innerType)
|
|
else:
|
|
p = self.extractPointer(addr + i * stepSize)
|
|
yield self.createValue(p, innerType)
|
|
|
|
|
|
# This is called is when a QObject derived class is expanded
|
|
def putQObjectGuts(self, qobject, smo):
|
|
intSize = self.intSize()
|
|
ptrSize = self.ptrSize()
|
|
# dd = value["d_ptr"]["d"] is just behind the vtable.
|
|
dd = self.extractPointer(qobject, offset=ptrSize)
|
|
isQt5 = self.qtVersion() >= 0x50000
|
|
|
|
extraDataOffset = 5 * ptrSize + 8 if isQt5 else 6 * ptrSize + 8
|
|
extraData = self.extractPointer(dd + extraDataOffset)
|
|
#with SubItem(self, "[extradata]"):
|
|
# self.putValue("0x%x" % toInteger(extraData))
|
|
|
|
# Parent and children.
|
|
try:
|
|
d_ptr = qobject["d_ptr"]["d"]
|
|
self.putSubItem("[parent]", d_ptr["parent"])
|
|
self.putSubItem("[children]", d_ptr["children"])
|
|
except:
|
|
pass
|
|
|
|
with SubItem(self, "[properties]"):
|
|
propertyCount = 0
|
|
if self.isExpanded():
|
|
propertyNames = self.staticQObjectPropertyNames(smo)
|
|
propertyCount = len(propertyNames) # Doesn't include dynamic properties.
|
|
with Children(self):
|
|
# Static properties.
|
|
for i in range(propertyCount):
|
|
name = propertyNames[i]
|
|
self.putCallItem(str(name), qobject, "property", '"' + name + '"')
|
|
|
|
# Dynamic properties.
|
|
if extraData:
|
|
names = self.listChildrenGenerator(extraData + ptrSize, "QByteArray")
|
|
values = self.listChildrenGenerator(extraData + 2 * ptrSize, "QVariant")
|
|
for (k, v) in zip(names, values):
|
|
with SubItem(self, propertyCount):
|
|
self.put('key="%s",' % self.encodeByteArray(k))
|
|
self.put('keyencoded="%s",' % Hex2EncodedLatin1)
|
|
self.putItem(v)
|
|
propertyCount += 1
|
|
|
|
self.putValue(str('<%s items>' % propertyCount if propertyCount else '<>0 items>'))
|
|
self.putNumChild(1)
|
|
|
|
with SubItem(self, "[methods]"):
|
|
methodCount = self.staticQObjectMethodCount(smo)
|
|
self.putItemCount(methodCount)
|
|
if self.isExpanded():
|
|
methodNames = self.staticQObjectMethodNames(smo)
|
|
with Children(self):
|
|
for i in range(methodCount):
|
|
k = methodNames[i]
|
|
with SubItem(self, k):
|
|
self.putEmptyValue()
|
|
|
|
with SubItem(self, "[signals]"):
|
|
signalCount = self.staticQObjectSignalCount(smo)
|
|
self.putItemCount(signalCount)
|
|
if self.isExpanded():
|
|
signalNames = self.staticQObjectSignalNames(smo)
|
|
signalCount = len(signalNames)
|
|
with Children(self):
|
|
for i in range(signalCount):
|
|
k = signalNames[i]
|
|
with SubItem(self, k):
|
|
self.putEmptyValue()
|
|
self.putQObjectConnections(qobject)
|
|
|
|
def putQObjectConnections(self, qobject):
|
|
with SubItem(self, "[connections]"):
|
|
ptrSize = self.ptrSize()
|
|
self.putNoType()
|
|
ns = self.qtNamespace()
|
|
privateTypeName = ns + "QObjectPrivate"
|
|
privateType = self.lookupType(privateTypeName)
|
|
dd = qobject["d_ptr"]["d"]
|
|
d_ptr = dd.cast(privateType.pointer()).dereference()
|
|
connections = d_ptr["connectionLists"]
|
|
if self.isNull(connections):
|
|
self.putItemCount(0)
|
|
else:
|
|
connections = connections.dereference()
|
|
connections = connections.cast(self.directBaseClass(connections.type))
|
|
self.putValue('<>0 items>')
|
|
self.putNumChild(1)
|
|
if self.isExpanded():
|
|
pp = 0
|
|
with Children(self):
|
|
innerType = self.templateArgument(connections.type, 0)
|
|
# Should check: innerType == ns::QObjectPrivate::ConnectionList
|
|
base = self.extractPointer(connections)
|
|
data, size, alloc = self.vectorDataHelper(base)
|
|
connectionType = self.lookupType(ns + "QObjectPrivate::Connection")
|
|
for i in xrange(size):
|
|
first = self.extractPointer(data + i * 2 * ptrSize)
|
|
while first:
|
|
self.putSubItem("%s" % pp,
|
|
self.createPointerValue(first, connectionType))
|
|
first = self.extractPointer(first + 3 * ptrSize)
|
|
# We need to enforce some upper limit.
|
|
pp += 1
|
|
if pp > 1000:
|
|
break
|
|
|
|
def isKnownMovableType(self, typeName):
|
|
if typeName in (
|
|
"QBrush", "QBitArray", "QByteArray", "QCustomTypeInfo", "QChar", "QDate",
|
|
"QDateTime", "QFileInfo", "QFixed", "QFixedPoint", "QFixedSize",
|
|
"QHashDummyValue", "QIcon", "QImage", "QLine", "QLineF", "QLatin1Char",
|
|
"QLocale", "QMatrix", "QModelIndex", "QPoint", "QPointF", "QPen",
|
|
"QPersistentModelIndex", "QResourceRoot", "QRect", "QRectF", "QRegExp",
|
|
"QSize", "QSizeF", "QString", "QTime", "QTextBlock", "QUrl", "QVariant",
|
|
"QXmlStreamAttribute", "QXmlStreamNamespaceDeclaration",
|
|
"QXmlStreamNotationDeclaration", "QXmlStreamEntityDeclaration"
|
|
):
|
|
return True
|
|
|
|
return typeName == "QStringList" and self.qtVersion() >= 0x050000
|
|
|
|
def currentItemFormat(self, type = None):
|
|
displayFormat = self.formats.get(self.currentIName, AutomaticFormat)
|
|
if displayFormat == AutomaticFormat:
|
|
if type is None:
|
|
type = self.currentType.value
|
|
needle = self.stripForFormat(str(type))
|
|
displayFormat = self.typeformats.get(needle, AutomaticFormat)
|
|
return displayFormat
|
|
|
|
def putArrayData(self, base, n, innerType = None,
|
|
childNumChild = None, maxNumChild = 10000):
|
|
if innerType is None:
|
|
innerType = base.dereference().type
|
|
if not self.tryPutArrayContents(base, n, innerType):
|
|
base = self.createPointerValue(base, innerType)
|
|
with Children(self, n, innerType, childNumChild, maxNumChild,
|
|
base, innerType.sizeof):
|
|
for i in self.childRange():
|
|
i = toInteger(i)
|
|
self.putSubItem(i, (base + i).dereference())
|
|
|
|
def putArrayItem(self, name, addr, n, typeName):
|
|
with SubItem(self, name):
|
|
self.putEmptyValue()
|
|
self.putType("%s [%d]" % (typeName, n))
|
|
self.putArrayData(addr, n, self.lookupType(typeName))
|
|
self.putAddress(addr)
|
|
|
|
def putPlotDataHelper(self, base, n, innerType):
|
|
if self.currentItemFormat() == ArrayPlotFormat and self.isSimpleType(innerType):
|
|
enc = self.simpleEncoding(innerType)
|
|
if enc:
|
|
self.putField("editencoding", enc)
|
|
self.putField("editvalue", self.readMemory(base, n * innerType.sizeof))
|
|
self.putField("editformat", DisplayPlotData)
|
|
|
|
def putPlotData(self, base, n, innerType):
|
|
self.putPlotDataHelper(base, n, innerType)
|
|
if self.isExpanded():
|
|
self.putArrayData(base, n, innerType)
|
|
|
|
def putSpecialArgv(self, value):
|
|
"""
|
|
Special handling for char** argv.
|
|
"""
|
|
n = 0
|
|
p = value
|
|
# p is 0 for "optimized out" cases. Or contains rubbish.
|
|
try:
|
|
if not self.isNull(p):
|
|
while not self.isNull(p.dereference()) and n <= 100:
|
|
p += 1
|
|
n += 1
|
|
except:
|
|
pass
|
|
|
|
with TopLevelItem(self, 'local.argv'):
|
|
self.put('iname="local.argv",name="argv",')
|
|
self.putItemCount(n, 100)
|
|
self.putType('char **')
|
|
if self.currentIName in self.expandedINames:
|
|
p = value
|
|
with Children(self, n):
|
|
for i in xrange(n):
|
|
self.putSubItem(i, p.dereference())
|
|
p += 1
|
|
|
|
def extractPointer(self, thing, offset = 0):
|
|
if isinstance(thing, int):
|
|
bytes = self.extractBlob(thing, self.ptrSize()).toBytes()
|
|
elif sys.version_info[0] == 2 and isinstance(thing, long):
|
|
bytes = self.extractBlob(thing, self.ptrSize()).toBytes()
|
|
elif isinstance(thing, Blob):
|
|
bytes = thing.toBytes()
|
|
else:
|
|
# Assume it's a (backend specific) Value.
|
|
bytes = self.toBlob(thing).toBytes()
|
|
code = "I" if self.ptrSize() == 4 else "Q"
|
|
return struct.unpack_from(code, bytes, offset)[0]
|
|
|
|
|
|
# Parses a..b and a.(s).b
|
|
def parseRange(self, exp):
|
|
|
|
# Search for the first unbalanced delimiter in s
|
|
def searchUnbalanced(s, upwards):
|
|
paran = 0
|
|
bracket = 0
|
|
if upwards:
|
|
open_p, close_p, open_b, close_b = '(', ')', '[', ']'
|
|
else:
|
|
open_p, close_p, open_b, close_b = ')', '(', ']', '['
|
|
for i in range(len(s)):
|
|
c = s[i]
|
|
if c == open_p:
|
|
paran += 1
|
|
elif c == open_b:
|
|
bracket += 1
|
|
elif c == close_p:
|
|
paran -= 1
|
|
if paran < 0:
|
|
return i
|
|
elif c == close_b:
|
|
bracket -= 1
|
|
if bracket < 0:
|
|
return i
|
|
return len(s)
|
|
|
|
match = re.search("(\.)(\(.+?\))?(\.)", exp)
|
|
if match:
|
|
s = match.group(2)
|
|
left_e = match.start(1)
|
|
left_s = 1 + left_e - searchUnbalanced(exp[left_e::-1], False)
|
|
right_s = match.end(3)
|
|
right_e = right_s + searchUnbalanced(exp[right_s:], True)
|
|
template = exp[:left_s] + '%s' + exp[right_e:]
|
|
|
|
a = exp[left_s:left_e]
|
|
b = exp[right_s:right_e]
|
|
|
|
try:
|
|
# Allow integral expressions.
|
|
ss = toInteger(self.parseAndEvaluate(s[1:len(s)-1]) if s else 1)
|
|
aa = toInteger(self.parseAndEvaluate(a))
|
|
bb = toInteger(self.parseAndEvaluate(b))
|
|
if aa < bb and ss > 0:
|
|
return True, aa, ss, bb + 1, template
|
|
except:
|
|
pass
|
|
return False, 0, 1, 1, exp
|
|
|
|
def putNumChild(self, numchild):
|
|
if numchild != self.currentChildNumChild:
|
|
self.put('numchild="%s",' % numchild)
|
|
|
|
def handleWatches(self, args):
|
|
for watcher in args.get("watchers", []):
|
|
iname = watcher['iname']
|
|
exp = self.hexdecode(watcher['exp'])
|
|
self.handleWatch(exp, exp, iname)
|
|
|
|
def handleWatch(self, origexp, exp, iname):
|
|
exp = str(exp).strip()
|
|
escapedExp = self.hexencode(exp)
|
|
#warn("HANDLING WATCH %s -> %s, INAME: '%s'" % (origexp, exp, iname))
|
|
|
|
# Grouped items separated by semicolon
|
|
if exp.find(";") >= 0:
|
|
exps = exp.split(';')
|
|
n = len(exps)
|
|
with TopLevelItem(self, iname):
|
|
self.put('iname="%s",' % iname)
|
|
#self.put('wname="%s",' % escapedExp)
|
|
self.put('name="%s",' % exp)
|
|
self.put('exp="%s",' % exp)
|
|
self.putItemCount(n)
|
|
self.putNoType()
|
|
for i in xrange(n):
|
|
self.handleWatch(exps[i], exps[i], "%s.%d" % (iname, i))
|
|
return
|
|
|
|
# Special array index: e.g a[1..199] or a[1.(3).199] for stride 3.
|
|
isRange, begin, step, end, template = self.parseRange(exp)
|
|
if isRange:
|
|
#warn("RANGE: %s %s %s in %s" % (begin, step, end, template))
|
|
r = range(begin, end, step)
|
|
n = len(r)
|
|
with TopLevelItem(self, iname):
|
|
self.put('iname="%s",' % iname)
|
|
#self.put('wname="%s",' % escapedExp)
|
|
self.put('name="%s",' % exp)
|
|
self.put('exp="%s",' % exp)
|
|
self.putItemCount(n)
|
|
self.putNoType()
|
|
with Children(self, n):
|
|
for i in r:
|
|
e = template % i
|
|
self.handleWatch(e, e, "%s.%s" % (iname, i))
|
|
return
|
|
|
|
# Fall back to less special syntax
|
|
#return self.handleWatch(origexp, exp, iname)
|
|
|
|
with TopLevelItem(self, iname):
|
|
self.put('iname="%s",' % iname)
|
|
self.put('name="%s",' % exp)
|
|
self.put('wname="%s",' % escapedExp)
|
|
try:
|
|
value = self.parseAndEvaluate(exp)
|
|
self.putItem(value)
|
|
except RuntimeError:
|
|
self.currentType.value = " "
|
|
self.currentValue.value = "<no such value>"
|
|
self.currentChildNumChild = -1
|
|
self.currentNumChild = 0
|
|
self.putNumChild(0)
|
|
|
|
def registerDumper(self, funcname, function):
|
|
try:
|
|
#warn("FUNCTION: %s " % funcname)
|
|
#funcname = function.func_name
|
|
if funcname.startswith("qdump__"):
|
|
typename = funcname[7:]
|
|
self.qqDumpers[typename] = function
|
|
self.qqFormats[typename] = self.qqFormats.get(typename, [])
|
|
elif funcname.startswith("qform__"):
|
|
typename = funcname[7:]
|
|
try:
|
|
self.qqFormats[typename] = function()
|
|
except:
|
|
self.qqFormats[typename] = []
|
|
elif funcname.startswith("qedit__"):
|
|
typename = funcname[7:]
|
|
try:
|
|
self.qqEditable[typename] = function
|
|
except:
|
|
pass
|
|
except:
|
|
pass
|
|
|
|
def setupDumpers(self, _ = {}):
|
|
self.qqDumpers = {}
|
|
self.qqFormats = {}
|
|
self.qqEditable = {}
|
|
self.typeCache = {}
|
|
|
|
for mod in self.dumpermodules:
|
|
m = importlib.import_module(mod)
|
|
dic = m.__dict__
|
|
for name in dic.keys():
|
|
item = dic[name]
|
|
self.registerDumper(name, item)
|
|
|
|
msg = "dumpers=["
|
|
for key, value in self.qqFormats.items():
|
|
editable = ',editable="true"' if key in self.qqEditable else ''
|
|
formats = (',formats=\"%s\"' % str(value)[1:-1]) if len(value) else ''
|
|
msg += '{type="%s"%s%s},' % (key, editable, formats)
|
|
msg += ']'
|
|
self.reportDumpers(msg)
|
|
|
|
def reportDumpers(self, msg):
|
|
raise NotImplementedError
|
|
|
|
def reloadDumpers(self, args):
|
|
for mod in self.dumpermodules:
|
|
m = sys.modules[mod]
|
|
if sys.version_info[0] >= 3:
|
|
importlib.reload(m)
|
|
else:
|
|
reload(m)
|
|
self.setupDumpers(args)
|
|
|
|
def addDumperModule(self, args):
|
|
path = args['path']
|
|
(head, tail) = os.path.split(path)
|
|
sys.path.insert(1, head)
|
|
self.dumpermodules.append(os.path.splitext(tail)[0])
|
|
|
|
def sendQmlCommand(self, command, data = ""):
|
|
data += '"version":"1","command":"%s"' % command
|
|
data = data.replace('"', '\\"')
|
|
expr = 'qt_v4DebuggerHook("{%s}")' % data
|
|
try:
|
|
res = self.parseAndEvaluate(expr)
|
|
print("QML command ok, RES: %s, CMD: %s" % (res, expr))
|
|
except RuntimeError as error:
|
|
#print("QML command failed: %s: %s" % (expr, error))
|
|
res = None
|
|
except AttributeError as error:
|
|
# Happens with LLDB and 'None' current thread.
|
|
#print("QML command failed: %s: %s" % (expr, error))
|
|
res = None
|
|
return res
|
|
|
|
def prepareQmlStep(self, _):
|
|
self.sendQmlCommand('prepareStep')
|
|
|
|
def removeQmlBreakpoint(self, args):
|
|
fullName = args['fileName']
|
|
lineNumber = args['lineNumber']
|
|
#print("Remove QML breakpoint %s:%s" % (fullName, lineNumber))
|
|
bp = self.sendQmlCommand('removeBreakpoint',
|
|
'"fullName":"%s","lineNumber":"%s",'
|
|
% (fullName, lineNumber))
|
|
if bp is None:
|
|
#print("Direct QML breakpoint removal failed: %s.")
|
|
return 0
|
|
#print("Removing QML breakpoint: %s" % bp)
|
|
return int(bp)
|
|
|
|
def insertQmlBreakpoint(self, args):
|
|
print("Insert QML breakpoint %s" % self.describeBreakpointData(args))
|
|
bp = self.doInsertQmlBreakpoint(args)
|
|
res = self.sendQmlCommand('prepareStep')
|
|
#if res is None:
|
|
# print("Resetting stepping failed.")
|
|
return str(bp)
|
|
|
|
def doInsertQmlBreakpoint(self, args):
|
|
fullName = args['fileName']
|
|
lineNumber = args['lineNumber']
|
|
pos = fullName.rfind('/')
|
|
engineName = "qrc:/" + fullName[pos+1:]
|
|
bp = self.sendQmlCommand('insertBreakpoint',
|
|
'"fullName":"%s","lineNumber":"%s","engineName":"%s",'
|
|
% (fullName, lineNumber, engineName))
|
|
if bp is None:
|
|
#print("Direct QML breakpoint insertion failed.")
|
|
#print("Make pending.")
|
|
self.createResolvePendingBreakpointsHookBreakpoint(args)
|
|
return 0
|
|
|
|
print("Resolving QML breakpoint: %s" % bp)
|
|
return int(bp)
|
|
|
|
def describeBreakpointData(self, args):
|
|
fullName = args['fileName']
|
|
lineNumber = args['lineNumber']
|
|
return "%s:%s" % (fullName, lineNumber)
|
|
|
|
def isInternalQmlFrame(self, functionName):
|
|
if functionName is None:
|
|
return False
|
|
if functionName.startswith("qt_v4"):
|
|
return True
|
|
return functionName.startswith(self.qtNamespace() + "QV4::")
|
|
|
|
def isReportableQmlFrame(self, functionName):
|
|
return functionName and functionName.find("QV4::Moth::VME::exec") >= 0
|
|
|
|
def extractQmlData(self, value):
|
|
if value.type.code == PointerCode:
|
|
value = value.dereference()
|
|
data = value["data"]
|
|
return data.cast(self.lookupType(str(value.type).replace("QV4::", "QV4::Heap::")))
|
|
|
|
def extractQmlRuntimeString(self, compilationUnitPtr, index):
|
|
# This mimics compilationUnit->runtimeStrings[index]
|
|
# typeof runtimeStrings = QV4.StringValue **
|
|
runtimeStrings = compilationUnitPtr.dereference()["runtimeStrings"]
|
|
entry = runtimeStrings[index]
|
|
text = self.extractPointer(entry.dereference(), self.ptrSize())
|
|
(elided, fn) = self.encodeStringHelper(text, 100)
|
|
return self.encodedUtf16ToUtf8(fn)
|
|
|
|
def extractQmlLocation(self, engine):
|
|
if self.currentCallContext is None:
|
|
context = engine["current"] # QV4.ExecutionContext * or derived
|
|
self.currentCallContext = context
|
|
else:
|
|
context = self.currentCallContext["parent"]
|
|
ctxCode = int(context["type"])
|
|
compilationUnit = context["compilationUnit"]
|
|
functionName = "Unknown JS";
|
|
ns = self.qtNamespace()
|
|
|
|
# QV4.ExecutionContext.Type_SimpleCallContext - 4
|
|
# QV4.ExecutionContext.Type_CallContext - 5
|
|
if ctxCode == 4 or ctxCode == 5:
|
|
callContextDataType = self.lookupQtType("QV4::Heap::CallContext")
|
|
callContext = context.cast(callContextDataType.pointer())
|
|
functionObject = callContext["function"]
|
|
function = functionObject["function"]
|
|
# QV4.CompiledData.Function
|
|
compiledFunction = function["compiledFunction"].dereference()
|
|
index = int(compiledFunction["nameIndex"])
|
|
functionName = "JS: " + self.extractQmlRuntimeString(compilationUnit, index)
|
|
|
|
string = self.parseAndEvaluate("((%s)0x%x)->fileName()"
|
|
% (compilationUnit.type, compilationUnit))
|
|
fileName = self.encodeStringUtf8(string)
|
|
|
|
return {'functionName': functionName,
|
|
'lineNumber': int(context["lineNumber"]),
|
|
'fileName': fileName,
|
|
'context': context }
|
|
|
|
# Contains iname, name, and value.
|
|
class LocalItem:
|
|
pass
|
|
|
|
def extractQmlVariables(self, qmlcontext):
|
|
items = []
|
|
|
|
contextType = self.lookupQtType("QV4::Heap::CallContext")
|
|
context = self.createPointerValue(self.qmlcontext, contextType)
|
|
|
|
contextItem = self.LocalItem()
|
|
contextItem.iname = "local.@context"
|
|
contextItem.name = "[context]"
|
|
contextItem.value = context.dereference()
|
|
items.append(contextItem)
|
|
|
|
argsItem = self.LocalItem()
|
|
argsItem.iname = "local.@args"
|
|
argsItem.name = "[args]"
|
|
argsItem.value = context["callData"]
|
|
items.append(argsItem)
|
|
|
|
functionObject = context["function"].dereference()
|
|
functionPtr = functionObject["function"]
|
|
if not self.isNull(functionPtr):
|
|
compilationUnit = context["compilationUnit"]
|
|
compiledFunction = functionPtr["compiledFunction"]
|
|
base = int(compiledFunction)
|
|
|
|
formalsOffset = int(compiledFunction["formalsOffset"])
|
|
formalsCount = int(compiledFunction["nFormals"])
|
|
for index in range(formalsCount):
|
|
stringIndex = self.extractInt(base + formalsOffset + 4 * index)
|
|
name = self.extractQmlRuntimeString(compilationUnit, stringIndex)
|
|
item = self.LocalItem()
|
|
item.iname = "local." + name
|
|
item.name = name
|
|
item.value = argsItem.value["args"][index]
|
|
items.append(item)
|
|
|
|
localsOffset = int(compiledFunction["localsOffset"])
|
|
localsCount = int(compiledFunction["nLocals"])
|
|
for index in range(localsCount):
|
|
stringIndex = self.extractInt(base + localsOffset + 4 * index)
|
|
name = self.extractQmlRuntimeString(compilationUnit, stringIndex)
|
|
item = self.LocalItem()
|
|
item.iname = "local." + name
|
|
item.name = name
|
|
item.value = context["locals"][index]
|
|
items.append(item)
|
|
|
|
for engine in self.qmlEngines:
|
|
engineItem = self.LocalItem()
|
|
engineItem.iname = "local.@qmlengine"
|
|
engineItem.name = "[engine]"
|
|
engineItem.value = engine
|
|
items.append(engineItem)
|
|
|
|
rootContext = self.LocalItem()
|
|
rootContext.iname = "local.@rootContext"
|
|
rootContext.name = "[rootContext]"
|
|
rootContext.value = engine["d_ptr"]
|
|
items.append(rootContext)
|
|
break
|
|
|
|
return items
|
|
|
|
|