forked from qt-creator/qt-creator
3c85058694
Change-Id: I711d5fb475ef814a1dc9d2822740e827f3f67125 Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>
333 lines
11 KiB
C++
333 lines
11 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing
|
|
**
|
|
** This file is part of Qt Creator.
|
|
**
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms and
|
|
** conditions see http://www.qt.io/terms-conditions. For further information
|
|
** use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
****************************************************************************/
|
|
|
|
// NOTE: Don't add dependencies to other files.
|
|
// This is used in the debugger auto-tests.
|
|
|
|
#include "watchutils.h"
|
|
#include "watchdata.h"
|
|
|
|
#include <QDebug>
|
|
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
enum { debug = 0 };
|
|
|
|
namespace Debugger {
|
|
namespace Internal {
|
|
|
|
QString removeObviousSideEffects(const QString &expIn)
|
|
{
|
|
QString exp = expIn.trimmed();
|
|
if (exp.isEmpty() || exp.startsWith(QLatin1Char('#')) || !hasLetterOrNumber(exp) || isKeyWord(exp))
|
|
return QString();
|
|
|
|
if (exp.startsWith(QLatin1Char('"')) && exp.endsWith(QLatin1Char('"')))
|
|
return QString();
|
|
|
|
if (exp.startsWith(QLatin1String("++")) || exp.startsWith(QLatin1String("--")))
|
|
exp.remove(0, 2);
|
|
|
|
if (exp.endsWith(QLatin1String("++")) || exp.endsWith(QLatin1String("--")))
|
|
exp.truncate(exp.size() - 2);
|
|
|
|
if (exp.startsWith(QLatin1Char('<')) || exp.startsWith(QLatin1Char('[')))
|
|
return QString();
|
|
|
|
if (hasSideEffects(exp) || exp.isEmpty())
|
|
return QString();
|
|
return exp;
|
|
}
|
|
|
|
bool isSkippableFunction(const QString &funcName, const QString &fileName)
|
|
{
|
|
if (fileName.endsWith(QLatin1String("/qobject.cpp")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/moc_qobject.cpp")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qmetaobject.cpp")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qmetaobject_p.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String(".moc")))
|
|
return true;
|
|
|
|
if (funcName.endsWith(QLatin1String("::qt_metacall")))
|
|
return true;
|
|
if (funcName.endsWith(QLatin1String("::d_func")))
|
|
return true;
|
|
if (funcName.endsWith(QLatin1String("::q_func")))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool isLeavableFunction(const QString &funcName, const QString &fileName)
|
|
{
|
|
if (funcName.endsWith(QLatin1String("QObjectPrivate::setCurrentSender")))
|
|
return true;
|
|
if (funcName.endsWith(QLatin1String("QMutexPool::get")))
|
|
return true;
|
|
|
|
if (fileName.endsWith(QLatin1String(".cpp"))) {
|
|
if (fileName.endsWith(QLatin1String("/qmetaobject.cpp"))
|
|
&& funcName.endsWith(QLatin1String("QMetaObject::methodOffset")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qobject.cpp"))
|
|
&& (funcName.endsWith(QLatin1String("QObjectConnectionListVector::at"))
|
|
|| funcName.endsWith(QLatin1String("~QObject"))))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qmutex.cpp")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qthread.cpp")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qthread_unix.cpp")))
|
|
return true;
|
|
} else if (fileName.endsWith(QLatin1String(".h"))) {
|
|
|
|
if (fileName.endsWith(QLatin1String("/qobject.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qmutex.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qvector.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qlist.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qhash.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qmap.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qshareddata.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qstring.h")))
|
|
return true;
|
|
if (fileName.endsWith(QLatin1String("/qglobal.h")))
|
|
return true;
|
|
|
|
} else {
|
|
|
|
if (fileName.contains(QLatin1String("/qbasicatomic")))
|
|
return true;
|
|
if (fileName.contains(QLatin1String("/qorderedmutexlocker_p")))
|
|
return true;
|
|
if (fileName.contains(QLatin1String("/qatomic")))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool isLetterOrNumber(char c)
|
|
{
|
|
return (c >= 'a' && c <= 'z')
|
|
|| (c >= 'A' && c <= 'Z')
|
|
|| (c >= '0' && c <= '9');
|
|
}
|
|
|
|
bool hasLetterOrNumber(const QString &exp)
|
|
{
|
|
const QChar underscore = QLatin1Char('_');
|
|
for (int i = exp.size(); --i >= 0; )
|
|
if (exp.at(i).isLetterOrNumber() || exp.at(i) == underscore)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool hasSideEffects(const QString &exp)
|
|
{
|
|
// FIXME: complete?
|
|
return exp.contains(QLatin1String("-="))
|
|
|| exp.contains(QLatin1String("+="))
|
|
|| exp.contains(QLatin1String("/="))
|
|
|| exp.contains(QLatin1String("%="))
|
|
|| exp.contains(QLatin1String("*="))
|
|
|| exp.contains(QLatin1String("&="))
|
|
|| exp.contains(QLatin1String("|="))
|
|
|| exp.contains(QLatin1String("^="))
|
|
|| exp.contains(QLatin1String("--"))
|
|
|| exp.contains(QLatin1String("++"));
|
|
}
|
|
|
|
bool isKeyWord(const QString &exp)
|
|
{
|
|
// FIXME: incomplete.
|
|
if (!exp.isEmpty())
|
|
return false;
|
|
switch (exp.at(0).toLatin1()) {
|
|
case 'a':
|
|
return exp == QLatin1String("auto");
|
|
case 'b':
|
|
return exp == QLatin1String("break");
|
|
case 'c':
|
|
return exp == QLatin1String("case") || exp == QLatin1String("class")
|
|
|| exp == QLatin1String("const") || exp == QLatin1String("constexpr")
|
|
|| exp == QLatin1String("catch") || exp == QLatin1String("continue")
|
|
|| exp == QLatin1String("const_cast");
|
|
case 'd':
|
|
return exp == QLatin1String("do") || exp == QLatin1String("default")
|
|
|| exp == QLatin1String("delete") || exp == QLatin1String("decltype")
|
|
|| exp == QLatin1String("dynamic_cast");
|
|
case 'e':
|
|
return exp == QLatin1String("else") || exp == QLatin1String("extern")
|
|
|| exp == QLatin1String("enum") || exp == QLatin1String("explicit");
|
|
case 'f':
|
|
return exp == QLatin1String("for") || exp == QLatin1String("friend"); // 'final'?
|
|
case 'g':
|
|
return exp == QLatin1String("goto");
|
|
case 'i':
|
|
return exp == QLatin1String("if") || exp == QLatin1String("inline");
|
|
case 'n':
|
|
return exp == QLatin1String("new") || exp == QLatin1String("namespace")
|
|
|| exp == QLatin1String("noexcept");
|
|
case 'm':
|
|
return exp == QLatin1String("mutable");
|
|
case 'o':
|
|
return exp == QLatin1String("operator"); // 'override'?
|
|
case 'p':
|
|
return exp == QLatin1String("public") || exp == QLatin1String("protected")
|
|
|| exp == QLatin1String("private");
|
|
case 'r':
|
|
return exp == QLatin1String("return") || exp == QLatin1String("register")
|
|
|| exp == QLatin1String("reinterpret_cast");
|
|
case 's':
|
|
return exp == QLatin1String("struct") || exp == QLatin1String("switch")
|
|
|| exp == QLatin1String("static_cast");
|
|
case 't':
|
|
return exp == QLatin1String("template") || exp == QLatin1String("typename")
|
|
|| exp == QLatin1String("try") || exp == QLatin1String("throw")
|
|
|| exp == QLatin1String("typedef");
|
|
case 'u':
|
|
return exp == QLatin1String("union") || exp == QLatin1String("using");
|
|
case 'v':
|
|
return exp == QLatin1String("void") || exp == QLatin1String("volatile")
|
|
|| exp == QLatin1String("virtual");
|
|
case 'w':
|
|
return exp == QLatin1String("while");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool startsWithDigit(const QString &str)
|
|
{
|
|
return !str.isEmpty() && str.at(0).isDigit();
|
|
}
|
|
|
|
QByteArray stripPointerType(QByteArray type)
|
|
{
|
|
if (type.endsWith('*'))
|
|
type.chop(1);
|
|
if (type.endsWith("* const"))
|
|
type.chop(7);
|
|
if (type.endsWith(' '))
|
|
type.chop(1);
|
|
return type;
|
|
}
|
|
|
|
// Format a hex address with colons as in the memory editor.
|
|
QString formatToolTipAddress(quint64 a)
|
|
{
|
|
QString rc = QString::number(a, 16);
|
|
if (a) {
|
|
if (const int remainder = rc.size() % 4)
|
|
rc.prepend(QString(4 - remainder, QLatin1Char('0')));
|
|
const QChar colon = QLatin1Char(':');
|
|
switch (rc.size()) {
|
|
case 16:
|
|
rc.insert(12, colon);
|
|
case 12:
|
|
rc.insert(8, colon);
|
|
case 8:
|
|
rc.insert(4, colon);
|
|
}
|
|
}
|
|
return QLatin1String("0x") + rc;
|
|
}
|
|
|
|
QByteArray gdbQuoteTypes(const QByteArray &type)
|
|
{
|
|
// gdb does not understand sizeof(Core::IDocument*).
|
|
// "sizeof('Core::IDocument*')" is also not acceptable,
|
|
// it needs to be "sizeof('Core::IDocument'*)"
|
|
//
|
|
// We never will have a perfect solution here (even if we had a full blown
|
|
// C++ parser as we do not have information on what is a type and what is
|
|
// a variable name. So "a<b>::c" could either be two comparisons of values
|
|
// 'a', 'b' and '::c', or a nested type 'c' in a template 'a<b>'. We
|
|
// assume here it is the latter.
|
|
//return type;
|
|
|
|
// (*('myns::QPointer<myns::QObject>*'*)0x684060)" is not acceptable
|
|
// (*('myns::QPointer<myns::QObject>'**)0x684060)" is acceptable
|
|
if (isPointerType(type))
|
|
return gdbQuoteTypes(stripPointerType(type)) + '*';
|
|
|
|
QByteArray accu;
|
|
QByteArray result;
|
|
int templateLevel = 0;
|
|
|
|
const char colon = ':';
|
|
const char singleQuote = '\'';
|
|
const char lessThan = '<';
|
|
const char greaterThan = '>';
|
|
for (int i = 0; i != type.size(); ++i) {
|
|
const char c = type.at(i);
|
|
if (isLetterOrNumber(c) || c == '_' || c == colon || c == ' ') {
|
|
accu += c;
|
|
} else if (c == lessThan) {
|
|
++templateLevel;
|
|
accu += c;
|
|
} else if (c == greaterThan) {
|
|
--templateLevel;
|
|
accu += c;
|
|
} else if (templateLevel > 0) {
|
|
accu += c;
|
|
} else {
|
|
if (accu.contains(colon) || accu.contains(lessThan))
|
|
result += singleQuote + accu + singleQuote;
|
|
else
|
|
result += accu;
|
|
accu.clear();
|
|
result += c;
|
|
}
|
|
}
|
|
if (accu.contains(colon) || accu.contains(lessThan))
|
|
result += singleQuote + accu + singleQuote;
|
|
else
|
|
result += accu;
|
|
//qDebug() << "GDB_QUOTING" << type << " TO " << result;
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
} // namespace Internal
|
|
} // namespace Debugger
|