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df2ecb4edd792efd10592c71a9d157d518cd9eea
qt-creator/src/plugins/debugger/debuggerprotocol.cpp
hjk df2ecb4edd Move the textual simplification of container type to debugger again 
This is the only user, and likely will stay so for a while, and
eases the linking of the debugger autotests.

Change-Id: I822fa892f105a5b7985370b26e50aa94cac74bb3
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
2014-01-08 14:49:35 +01:00

950 lines
34 KiB
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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "debuggerprotocol.h"
#include <QCoreApplication>
#include <QDateTime>
#include <QDebug>
#include <QHostAddress>
#include <QRegExp>
#if QT_VERSION >= 0x050200
#include <QTimeZone>
#endif
#include <ctype.h>
#define QTC_ASSERT_STRINGIFY_HELPER(x) #x
#define QTC_ASSERT_STRINGIFY(x) QTC_ASSERT_STRINGIFY_HELPER(x)
#define QTC_ASSERT_STRING(cond) qDebug("SOFT ASSERT: \"" cond"\" in file " __FILE__ ", line " QTC_ASSERT_STRINGIFY(__LINE__))
#define QTC_ASSERT(cond, action) if (cond) {} else { QTC_ASSERT_STRING(#cond); action; } do {} while (0)
namespace Debugger {
namespace Internal {
uchar fromhex(uchar c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'z')
return 10 + c - 'a';
if (c >= 'A' && c <= 'Z')
return 10 + c - 'A';
return -1;
}
void skipCommas(const char *&from, const char *to)
{
while (*from == ',' && from != to)
++from;
}
QTextStream &operator<<(QTextStream &os, const GdbMi &mi)
{
return os << mi.toString();
}
void GdbMi::parseResultOrValue(const char *&from, const char *to)
{
while (from != to && isspace(*from))
++from;
//qDebug() << "parseResultOrValue: " << QByteArray(from, to - from);
parseValue(from, to);
if (isValid()) {
//qDebug() << "no valid result in " << QByteArray(from, to - from);
return;
}
if (from == to || *from == '(')
return;
const char *ptr = from;
while (ptr < to && *ptr != '=') {
//qDebug() << "adding" << QChar(*ptr) << "to name";
++ptr;
}
m_name = QByteArray(from, ptr - from);
from = ptr;
if (from < to && *from == '=') {
++from;
parseValue(from, to);
}
}
QByteArray GdbMi::parseCString(const char *&from, const char *to)
{
QByteArray result;
//qDebug() << "parseCString: " << QByteArray(from, to - from);
if (*from != '"') {
qDebug() << "MI Parse Error, double quote expected";
++from; // So we don't hang
return QByteArray();
}
const char *ptr = from;
++ptr;
while (ptr < to) {
if (*ptr == '"') {
++ptr;
result = QByteArray(from + 1, ptr - from - 2);
break;
}
if (*ptr == '\\') {
++ptr;
if (ptr == to) {
qDebug() << "MI Parse Error, unterminated backslash escape";
from = ptr; // So we don't hang
return QByteArray();
}
}
++ptr;
}
from = ptr;
int idx = result.indexOf('\\');
if (idx >= 0) {
char *dst = result.data() + idx;
const char *src = dst + 1, *end = result.data() + result.length();
do {
char c = *src++;
switch (c) {
case 'a': *dst++ = '\a'; break;
case 'b': *dst++ = '\b'; break;
case 'f': *dst++ = '\f'; break;
case 'n': *dst++ = '\n'; break;
case 'r': *dst++ = '\r'; break;
case 't': *dst++ = '\t'; break;
case 'v': *dst++ = '\v'; break;
case '"': *dst++ = '"'; break;
case '\\': *dst++ = '\\'; break;
case 'x': {
c = *src++;
int chars = 0;
uchar prod = 0;
while (true) {
uchar val = fromhex(c);
if (val == uchar(-1))
break;
prod = prod * 16 + val;
if (++chars == 3 || src == end)
break;
c = *src++;
}
if (!chars) {
qDebug() << "MI Parse Error, unrecognized hex escape";
return QByteArray();
}
*dst++ = prod;
break;
}
default:
{
int chars = 0;
uchar prod = 0;
forever {
if (c < '0' || c > '7') {
--src;
break;
}
prod = prod * 8 + c - '0';
if (++chars == 3 || src == end)
break;
c = *src++;
}
if (!chars) {
qDebug() << "MI Parse Error, unrecognized backslash escape";
return QByteArray();
}
*dst++ = prod;
}
}
while (src != end) {
char c = *src++;
if (c == '\\')
break;
*dst++ = c;
}
} while (src != end);
*dst = 0;
result.truncate(dst - result.data());
}
return result;
}
void GdbMi::parseValue(const char *&from, const char *to)
{
//qDebug() << "parseValue: " << QByteArray(from, to - from);
switch (*from) {
case '{':
parseTuple(from, to);
break;
case '[':
parseList(from, to);
break;
case '"':
m_type = Const;
m_data = parseCString(from, to);
break;
default:
break;
}
}
void GdbMi::parseTuple(const char *&from, const char *to)
{
//qDebug() << "parseTuple: " << QByteArray(from, to - from);
//QTC_CHECK(*from == '{');
++from;
parseTuple_helper(from, to);
}
void GdbMi::parseTuple_helper(const char *&from, const char *to)
{
skipCommas(from, to);
//qDebug() << "parseTuple_helper: " << QByteArray(from, to - from);
m_type = Tuple;
while (from < to) {
if (*from == '}') {
++from;
break;
}
GdbMi child;
child.parseResultOrValue(from, to);
//qDebug() << "\n=======\n" << qPrintable(child.toString()) << "\n========\n";
if (!child.isValid())
return;
m_children += child;
skipCommas(from, to);
}
}
void GdbMi::parseList(const char *&from, const char *to)
{
//qDebug() << "parseList: " << QByteArray(from, to - from);
//QTC_CHECK(*from == '[');
++from;
m_type = List;
skipCommas(from, to);
while (from < to) {
if (*from == ']') {
++from;
break;
}
GdbMi child;
child.parseResultOrValue(from, to);
if (child.isValid())
m_children += child;
skipCommas(from, to);
}
}
static QByteArray ind(int indent)
{
return QByteArray(2 * indent, ' ');
}
void GdbMi::dumpChildren(QByteArray * str, bool multiline, int indent) const
{
for (int i = 0; i < m_children.size(); ++i) {
if (i != 0) {
*str += ',';
if (multiline)
*str += '\n';
}
if (multiline)
*str += ind(indent);
*str += m_children.at(i).toString(multiline, indent);
}
}
QByteArray GdbMi::escapeCString(const QByteArray &ba)
{
QByteArray ret;
ret.reserve(ba.length() * 2);
for (int i = 0; i < ba.length(); ++i) {
const uchar c = ba.at(i);
switch (c) {
case '\\': ret += "\\\\"; break;
case '\a': ret += "\\a"; break;
case '\b': ret += "\\b"; break;
case '\f': ret += "\\f"; break;
case '\n': ret += "\\n"; break;
case '\r': ret += "\\r"; break;
case '\t': ret += "\\t"; break;
case '\v': ret += "\\v"; break;
case '"': ret += "\\\""; break;
default:
if (c < 32 || c == 127) {
ret += '\\';
ret += ('0' + (c >> 6));
ret += ('0' + ((c >> 3) & 7));
ret += ('0' + (c & 7));
} else {
ret += c;
}
}
}
return ret;
}
QByteArray GdbMi::toString(bool multiline, int indent) const
{
QByteArray result;
switch (m_type) {
case Invalid:
if (multiline)
result += ind(indent) + "Invalid\n";
else
result += "Invalid";
break;
case Const:
if (!m_name.isEmpty())
result += m_name + '=';
result += '"' + escapeCString(m_data) + '"';
break;
case Tuple:
if (!m_name.isEmpty())
result += m_name + '=';
if (multiline) {
result += "{\n";
dumpChildren(&result, multiline, indent + 1);
result += '\n' + ind(indent) + '}';
} else {
result += '{';
dumpChildren(&result, multiline, indent + 1);
result += '}';
}
break;
case List:
if (!m_name.isEmpty())
result += m_name + '=';
if (multiline) {
result += "[\n";
dumpChildren(&result, multiline, indent + 1);
result += '\n' + ind(indent) + ']';
} else {
result += '[';
dumpChildren(&result, multiline, indent + 1);
result += ']';
}
break;
}
return result;
}
void GdbMi::fromString(const QByteArray &ba)
{
const char *from = ba.constBegin();
const char *to = ba.constEnd();
parseResultOrValue(from, to);
}
void GdbMi::fromStringMultiple(const QByteArray &ba)
{
const char *from = ba.constBegin();
const char *to = ba.constEnd();
parseTuple_helper(from, to);
}
GdbMi GdbMi::operator[](const char *name) const
{
for (int i = 0, n = m_children.size(); i < n; ++i)
if (m_children.at(i).m_name == name)
return m_children.at(i);
return GdbMi();
}
qulonglong GdbMi::toAddress() const
{
QByteArray ba = m_data;
if (ba.endsWith('L'))
ba.chop(1);
if (ba.startsWith('*') || ba.startsWith('@'))
ba = ba.mid(1);
return ba.toULongLong(0, 0);
}
//////////////////////////////////////////////////////////////////////////////////
//
// GdbResponse
//
//////////////////////////////////////////////////////////////////////////////////
QByteArray GdbResponse::stringFromResultClass(GdbResultClass resultClass)
{
switch (resultClass) {
case GdbResultDone: return "done";
case GdbResultRunning: return "running";
case GdbResultConnected: return "connected";
case GdbResultError: return "error";
case GdbResultExit: return "exit";
default: return "unknown";
}
}
QByteArray GdbResponse::toString() const
{
QByteArray result;
if (token != -1)
result = QByteArray::number(token);
result += '^';
result += stringFromResultClass(resultClass);
if (data.isValid())
result += ',' + data.toString();
result += '\n';
return result;
}
//////////////////////////////////////////////////////////////////////////////////
//
// GdbResponse
//
//////////////////////////////////////////////////////////////////////////////////
void extractGdbVersion(const QString &msg,
int *gdbVersion, int *gdbBuildVersion, bool *isMacGdb, bool *isQnxGdb)
{
const QChar dot(QLatin1Char('.'));
const bool ignoreParenthesisContent = msg.contains(QLatin1String("rubenvb"));
const QChar parOpen(QLatin1Char('('));
const QChar parClose(QLatin1Char(')'));
QString cleaned;
QString build;
bool inClean = true;
bool inParenthesis = false;
foreach (QChar c, msg) {
if (inClean && !cleaned.isEmpty() && c != dot && (c.isPunct() || c.isSpace()))
inClean = false;
if (ignoreParenthesisContent) {
if (!inParenthesis && c == parOpen)
inParenthesis = true;
if (inParenthesis && c == parClose)
inParenthesis = false;
if (inParenthesis)
continue;
}
if (inClean) {
if (c.isDigit())
cleaned.append(c);
else if (!cleaned.isEmpty() && !cleaned.endsWith(dot))
cleaned.append(dot);
} else {
if (c.isDigit())
build.append(c);
else if (!build.isEmpty() && !build.endsWith(dot))
build.append(dot);
}
}
*isMacGdb = msg.contains(QLatin1String("Apple version"));
*isQnxGdb = msg.contains(QLatin1String("qnx"));
*gdbVersion = 10000 * cleaned.section(dot, 0, 0).toInt()
+ 100 * cleaned.section(dot, 1, 1).toInt()
+ 1 * cleaned.section(dot, 2, 2).toInt();
if (cleaned.count(dot) >= 3)
*gdbBuildVersion = cleaned.section(dot, 3, 3).toInt();
else
*gdbBuildVersion = build.section(dot, 0, 0).toInt();
if (*isMacGdb)
*gdbBuildVersion = build.section(dot, 1, 1).toInt();
}
//////////////////////////////////////////////////////////////////////////////////
//
// Decoding
//
//////////////////////////////////////////////////////////////////////////////////
static QString quoteUnprintableLatin1(const QByteArray &ba)
{
QString res;
char buf[10];
for (int i = 0, n = ba.size(); i != n; ++i) {
const unsigned char c = ba.at(i);
if (isprint(c)) {
res += QLatin1Char(c);
} else {
qsnprintf(buf, sizeof(buf) - 1, "\\%x", int(c));
res += QLatin1String(buf);
}
}
return res;
}
static QDate dateFromData(int jd)
{
return jd ? QDate::fromJulianDay(jd) : QDate();
}
static QTime timeFromData(int ms)
{
return ms == -1 ? QTime() : QTime(0, 0, 0, 0).addMSecs(ms);
}
#if QT_VERSION >= 0x050200
// Stolen and adapted from qdatetime.cpp
static void getDateTime(qint64 msecs, int status, QDate *date, QTime *time)
{
enum {
SECS_PER_DAY = 86400,
MSECS_PER_DAY = 86400000,
SECS_PER_HOUR = 3600,
MSECS_PER_HOUR = 3600000,
SECS_PER_MIN = 60,
MSECS_PER_MIN = 60000,
TIME_T_MAX = 2145916799, // int maximum 2037-12-31T23:59:59 UTC
JULIAN_DAY_FOR_EPOCH = 2440588 // result of julianDayFromDate(1970, 1, 1)
};
// Status of date/time
enum StatusFlag {
NullDate = 0x01,
NullTime = 0x02,
ValidDate = 0x04,
ValidTime = 0x08,
ValidDateTime = 0x10,
TimeZoneCached = 0x20,
SetToStandardTime = 0x40,
SetToDaylightTime = 0x80
};
qint64 jd = JULIAN_DAY_FOR_EPOCH;
qint64 ds = 0;
if (qAbs(msecs) >= MSECS_PER_DAY) {
jd += (msecs / MSECS_PER_DAY);
msecs %= MSECS_PER_DAY;
}
if (msecs < 0) {
ds = MSECS_PER_DAY - msecs - 1;
jd -= ds / MSECS_PER_DAY;
ds = ds % MSECS_PER_DAY;
ds = MSECS_PER_DAY - ds - 1;
} else {
ds = msecs;
}
*date = (status & NullDate) ? QDate() : QDate::fromJulianDay(jd);
*time = (status & NullTime) ? QTime() : QTime::fromMSecsSinceStartOfDay(ds);
}
#endif
QString decodeData(const QByteArray &ba, int encoding)
{
switch (encoding) {
case Unencoded8Bit: // 0
return quoteUnprintableLatin1(ba);
case Base64Encoded8BitWithQuotes: { // 1, used for QByteArray
const QChar doubleQuote(QLatin1Char('"'));
QString rc = doubleQuote;
rc += quoteUnprintableLatin1(QByteArray::fromBase64(ba));
rc += doubleQuote;
return rc;
}
case Base64Encoded16BitWithQuotes: { // 2, used for QString
const QChar doubleQuote(QLatin1Char('"'));
const QByteArray decodedBa = QByteArray::fromBase64(ba);
QString rc = doubleQuote;
rc += QString::fromUtf16(reinterpret_cast<const ushort *>
(decodedBa.data()), decodedBa.size() / 2);
rc += doubleQuote;
return rc;
}
case Base64Encoded32BitWithQuotes: { // 3
const QByteArray decodedBa = QByteArray::fromBase64(ba);
const QChar doubleQuote(QLatin1Char('"'));
QString rc = doubleQuote;
rc += QString::fromUcs4(reinterpret_cast<const uint *>
(decodedBa.data()), decodedBa.size() / 4);
rc += doubleQuote;
return rc;
}
case Base64Encoded16Bit: { // 4, without quotes (see 2)
const QByteArray decodedBa = QByteArray::fromBase64(ba);
return QString::fromUtf16(reinterpret_cast<const ushort *>
(decodedBa.data()), decodedBa.size() / 2);
}
case Base64Encoded8Bit: { // 5, without quotes (see 1)
return quoteUnprintableLatin1(QByteArray::fromBase64(ba));
}
case Hex2EncodedLatin1WithQuotes: { // 6, %02x encoded 8 bit Latin1 data
const QChar doubleQuote(QLatin1Char('"'));
const QByteArray decodedBa = QByteArray::fromHex(ba);
return doubleQuote + QString::fromLatin1(decodedBa, decodedBa.size()) + doubleQuote;
}
case Hex4EncodedLittleEndianWithQuotes: { // 7, %04x encoded 16 bit data
const QChar doubleQuote(QLatin1Char('"'));
const QByteArray decodedBa = QByteArray::fromHex(ba);
return doubleQuote + QString::fromUtf16(reinterpret_cast<const ushort *>
(decodedBa.data()), decodedBa.size() / 2) + doubleQuote;
}
case Hex8EncodedLittleEndianWithQuotes: { // 8, %08x encoded 32 bit data
const QChar doubleQuote(QLatin1Char('"'));
const QByteArray decodedBa = QByteArray::fromHex(ba);
return doubleQuote + QString::fromUcs4(reinterpret_cast<const uint *>
(decodedBa.data()), decodedBa.size() / 4) + doubleQuote;
}
case Hex2EncodedUtf8WithQuotes: { // 9, %02x encoded 8 bit UTF-8 data
const QChar doubleQuote(QLatin1Char('"'));
const QByteArray decodedBa = QByteArray::fromHex(ba);
return doubleQuote + QString::fromUtf8(decodedBa) + doubleQuote;
}
case Hex8EncodedBigEndian: { // 10, %08x encoded 32 bit data
const QChar doubleQuote(QLatin1Char('"'));
QByteArray decodedBa = QByteArray::fromHex(ba);
for (int i = 0; i < decodedBa.size() - 3; i += 4) {
char c = decodedBa.at(i);
decodedBa[i] = decodedBa.at(i + 3);
decodedBa[i + 3] = c;
c = decodedBa.at(i + 1);
decodedBa[i + 1] = decodedBa.at(i + 2);
decodedBa[i + 2] = c;
}
return doubleQuote + QString::fromUcs4(reinterpret_cast<const uint *>
(decodedBa.data()), decodedBa.size() / 4) + doubleQuote;
}
case Hex4EncodedBigEndianWithQuotes: { // 11, %04x encoded 16 bit data
const QChar doubleQuote(QLatin1Char('"'));
QByteArray decodedBa = QByteArray::fromHex(ba);
for (int i = 0; i < decodedBa.size(); i += 2) {
char c = decodedBa.at(i);
decodedBa[i] = decodedBa.at(i + 1);
decodedBa[i + 1] = c;
}
return doubleQuote + QString::fromUtf16(reinterpret_cast<const ushort *>
(decodedBa.data()), decodedBa.size() / 2) + doubleQuote;
}
case Hex4EncodedLittleEndianWithoutQuotes: { // 12, see 7, without quotes
const QByteArray decodedBa = QByteArray::fromHex(ba);
return QString::fromUtf16(reinterpret_cast<const ushort *>
(decodedBa.data()), decodedBa.size() / 2);
}
case Hex2EncodedLocal8BitWithQuotes: { // 13, %02x encoded 8 bit UTF-8 data
const QChar doubleQuote(QLatin1Char('"'));
const QByteArray decodedBa = QByteArray::fromHex(ba);
return doubleQuote + QString::fromLocal8Bit(decodedBa) + doubleQuote;
}
case JulianDate: { // 14, an integer count
const QDate date = dateFromData(ba.toInt());
return date.isValid() ? date.toString(Qt::TextDate) : QLatin1String("(invalid)");
}
case MillisecondsSinceMidnight: {
const QTime time = timeFromData(ba.toInt());
return time.isValid() ? time.toString(Qt::TextDate) : QLatin1String("(invalid)");
}
case JulianDateAndMillisecondsSinceMidnight: {
const int p = ba.indexOf('/');
const QDate date = dateFromData(ba.left(p).toInt());
const QTime time = timeFromData(ba.mid(p + 1 ).toInt());
const QDateTime dateTime = QDateTime(date, time);
return dateTime.isValid() ? dateTime.toString(Qt::TextDate) : QLatin1String("(invalid)");
}
case IPv6AddressAndHexScopeId: { // 27, 16 hex-encoded bytes, "%" and the string-encoded scope
const int p = ba.indexOf('%');
QHostAddress ip6(QString::fromLatin1(p == -1 ? ba : ba.left(p)));
if (ip6.isNull())
break;
const QByteArray scopeId = p == -1 ? QByteArray() : QByteArray::fromHex(ba.mid(p + 1));
if (!scopeId.isEmpty())
ip6.setScopeId(QString::fromUtf16(reinterpret_cast<const ushort *>(scopeId.constData()),
scopeId.length() / 2));
return ip6.toString();
}
case Hex2EncodedUtf8WithoutQuotes: { // 28, %02x encoded 8 bit UTF-8 data without quotes
const QByteArray decodedBa = QByteArray::fromHex(ba);
return QString::fromUtf8(decodedBa);
}
case DateTimeInternal: { // 29, DateTimeInternal: msecs, spec, offset, tz, status
#if QT_VERSION >= 0x050200
int p0 = ba.indexOf('/');
int p1 = ba.indexOf('/', p0 + 1);
int p2 = ba.indexOf('/', p1 + 1);
int p3 = ba.indexOf('/', p2 + 1);
qint64 msecs = ba.left(p0).toLongLong();
++p0;
Qt::TimeSpec spec = Qt::TimeSpec(ba.mid(p0, p1 - p0).toInt());
++p1;
qulonglong offset = ba.mid(p1, p2 - p1).toInt();
++p2;
QByteArray timeZoneId = QByteArray::fromHex(ba.mid(p2, p3 - p2));
++p3;
int status = ba.mid(p3).toInt();
QDate date;
QTime time;
getDateTime(msecs, status, &date, &time);
QDateTime dateTime;
if (spec == Qt::OffsetFromUTC) {
dateTime = QDateTime(date, time, spec, offset);
} else if (spec == Qt::TimeZone) {
if (!QTimeZone::isTimeZoneIdAvailable(timeZoneId))
return QLatin1String("<unavailable>");
dateTime = QDateTime(date, time, QTimeZone(timeZoneId));
} else {
dateTime = QDateTime(date, time, spec);
}
return dateTime.toString();
#else
// "Very plain".
return QString::fromLatin1(ba);
#endif
}
}
qDebug() << "ENCODING ERROR: " << encoding;
return QCoreApplication::translate("Debugger", "<Encoding error>");
}
// Simplify complicated STL template types,
// such as 'std::basic_string<char,std::char_traits<char>,std::allocator<char> >'
// -> 'std::string' and helpers.
static QString chopConst(QString type)
{
while (1) {
if (type.startsWith(QLatin1String("const")))
type = type.mid(5);
else if (type.startsWith(QLatin1Char(' ')))
type = type.mid(1);
else if (type.endsWith(QLatin1String("const")))
type.chop(5);
else if (type.endsWith(QLatin1Char(' ')))
type.chop(1);
else
break;
}
return type;
}
static inline QRegExp stdStringRegExp(const QString &charType)
{
QString rc = QLatin1String("basic_string<");
rc += charType;
rc += QLatin1String(",[ ]?std::char_traits<");
rc += charType;
rc += QLatin1String(">,[ ]?std::allocator<");
rc += charType;
rc += QLatin1String("> >");
const QRegExp re(rc);
QTC_ASSERT(re.isValid(), /**/);
return re;
}
// Simplify string types in a type
// 'std::set<std::basic_string<char... > >' -> std::set<std::string>'
static inline void simplifyStdString(const QString &charType, const QString &replacement,
QString *type)
{
QRegExp stringRegexp = stdStringRegExp(charType);
const int replacementSize = replacement.size();
for (int pos = 0; pos < type->size(); ) {
// Check next match
const int matchPos = stringRegexp.indexIn(*type, pos);
if (matchPos == -1)
break;
const int matchedLength = stringRegexp.matchedLength();
type->replace(matchPos, matchedLength, replacement);
pos = matchPos + replacementSize;
// If we were inside an 'allocator<std::basic_string..char > >'
// kill the following blank -> 'allocator<std::string>'
if (pos + 1 < type->size() && type->at(pos) == QLatin1Char(' ')
&& type->at(pos + 1) == QLatin1Char('>'))
type->remove(pos, 1);
}
}
// Fix 'std::allocator<std::string >' -> 'std::allocator<std::string>',
// which can happen when replacing/simplifying
static inline QString fixNestedTemplates(QString s)
{
const int size = s.size();
if (size > 3
&& s.at(size - 1) == QLatin1Char('>')
&& s.at(size - 2) == QLatin1Char(' ')
&& s.at(size - 3) != QLatin1Char('>'))
s.remove(size - 2, 1);
return s;
}
QString simplifySTLType(const QString &typeIn)
{
QString type = typeIn;
if (type.startsWith(QLatin1String("class "))) // MSVC prepends class,struct
type.remove(0, 6);
if (type.startsWith(QLatin1String("struct ")))
type.remove(0, 7);
type.replace(QLatin1String("std::__1::"), QLatin1String("std::"));
type.replace(QLatin1String("std::__debug::"), QLatin1String("std::"));
type.replace(QLatin1Char('*'), QLatin1Char('@'));
for (int i = 0; i < 10; ++i) {
// std::ifstream
QRegExp ifstreamRE(QLatin1String("std::basic_ifstream<char,\\s*std::char_traits<char>\\s*>"));
ifstreamRE.setMinimal(true);
QTC_ASSERT(ifstreamRE.isValid(), return typeIn);
if (ifstreamRE.indexIn(type) != -1)
type.replace(ifstreamRE.cap(0), QLatin1String("std::ifstream"));
// Anything with a std::allocator
int start = type.indexOf(QLatin1String("std::allocator<"));
if (start == -1)
break;
// search for matching '>'
int pos;
int level = 0;
for (pos = start + 12; pos < type.size(); ++pos) {
int c = type.at(pos).unicode();
if (c == '<') {
++level;
} else if (c == '>') {
--level;
if (level == 0)
break;
}
}
const QString alloc = fixNestedTemplates(type.mid(start, pos + 1 - start).trimmed());
const QString inner = fixNestedTemplates(alloc.mid(15, alloc.size() - 16).trimmed());
const QString allocEsc = QRegExp::escape(alloc);
const QString innerEsc = QRegExp::escape(inner);
if (inner == QLatin1String("char")) { // std::string
simplifyStdString(QLatin1String("char"), QLatin1String("string"), &type);
} else if (inner == QLatin1String("wchar_t")) { // std::wstring
simplifyStdString(QLatin1String("wchar_t"), QLatin1String("wstring"), &type);
} else if (inner == QLatin1String("unsigned short")) { // std::wstring/MSVC
simplifyStdString(QLatin1String("unsigned short"), QLatin1String("wstring"), &type);
}
// std::vector, std::deque, std::list
QRegExp re1(QString::fromLatin1("(vector|list|deque)<%1, ?%2\\s*>").arg(innerEsc, allocEsc));
QTC_ASSERT(re1.isValid(), return typeIn);
if (re1.indexIn(type) != -1)
type.replace(re1.cap(0), QString::fromLatin1("%1<%2>").arg(re1.cap(1), inner));
// std::stack
QRegExp stackRE(QString::fromLatin1("stack<%1, ?std::deque<%2> >").arg(innerEsc, innerEsc));
stackRE.setMinimal(true);
QTC_ASSERT(stackRE.isValid(), return typeIn);
if (stackRE.indexIn(type) != -1)
type.replace(stackRE.cap(0), QString::fromLatin1("stack<%1>").arg(inner));
// std::set
QRegExp setRE(QString::fromLatin1("set<%1, ?std::less<%2>, ?%3\\s*>").arg(innerEsc, innerEsc, allocEsc));
setRE.setMinimal(true);
QTC_ASSERT(setRE.isValid(), return typeIn);
if (setRE.indexIn(type) != -1)
type.replace(setRE.cap(0), QString::fromLatin1("set<%1>").arg(inner));
// std::unordered_set
QRegExp unorderedSetRE(QString::fromLatin1("unordered_set<%1, ?std::hash<%2>, ?std::equal_to<%3>, ?%4\\s*>")
.arg(innerEsc, innerEsc, innerEsc, allocEsc));
unorderedSetRE.setMinimal(true);
QTC_ASSERT(unorderedSetRE.isValid(), return typeIn);
if (unorderedSetRE.indexIn(type) != -1)
type.replace(unorderedSetRE.cap(0), QString::fromLatin1("unordered_set<%1>").arg(inner));
// std::map
if (inner.startsWith(QLatin1String("std::pair<"))) {
// search for outermost ',', split key and value
int pos;
int level = 0;
for (pos = 10; pos < inner.size(); ++pos) {
int c = inner.at(pos).unicode();
if (c == '<')
++level;
else if (c == '>')
--level;
else if (c == ',' && level == 0)
break;
}
const QString key = chopConst(inner.mid(10, pos - 10));
const QString keyEsc = QRegExp::escape(key);
// Get value: MSVC: 'pair<a const ,b>', gcc: 'pair<const a, b>'
if (inner.at(++pos) == QLatin1Char(' '))
pos++;
const QString value = inner.mid(pos, inner.size() - pos - 1).trimmed();
const QString valueEsc = QRegExp::escape(value);
QRegExp mapRE1(QString::fromLatin1("map<%1, ?%2, ?std::less<%3 ?>, ?%4\\s*>")
.arg(keyEsc, valueEsc, keyEsc, allocEsc));
mapRE1.setMinimal(true);
QTC_ASSERT(mapRE1.isValid(), return typeIn);
if (mapRE1.indexIn(type) != -1) {
type.replace(mapRE1.cap(0), QString::fromLatin1("map<%1, %2>").arg(key, value));
} else {
QRegExp mapRE2(QString::fromLatin1("map<const %1, ?%2, ?std::less<const %3>, ?%4\\s*>")
.arg(keyEsc, valueEsc, keyEsc, allocEsc));
mapRE2.setMinimal(true);
if (mapRE2.indexIn(type) != -1)
type.replace(mapRE2.cap(0), QString::fromLatin1("map<const %1, %2>").arg(key, value));
}
}
// std::unordered_map
if (inner.startsWith(QLatin1String("std::pair<"))) {
// search for outermost ',', split key and value
int pos;
int level = 0;
for (pos = 10; pos < inner.size(); ++pos) {
int c = inner.at(pos).unicode();
if (c == '<')
++level;
else if (c == '>')
--level;
else if (c == ',' && level == 0)
break;
}
const QString key = chopConst(inner.mid(10, pos - 10));
const QString keyEsc = QRegExp::escape(key);
// Get value: MSVC: 'pair<a const ,b>', gcc: 'pair<const a, b>'
if (inner.at(++pos) == QLatin1Char(' '))
pos++;
const QString value = inner.mid(pos, inner.size() - pos - 1).trimmed();
const QString valueEsc = QRegExp::escape(value);
QRegExp mapRE1(QString::fromLatin1("unordered_map<%1, ?%2, ?std::hash<%3 ?>, ?std::equal_to<%4 ?>, ?%5\\s*>")
.arg(keyEsc, valueEsc, keyEsc, keyEsc, allocEsc));
mapRE1.setMinimal(true);
QTC_ASSERT(mapRE1.isValid(), return typeIn);
if (mapRE1.indexIn(type) != -1)
type.replace(mapRE1.cap(0), QString::fromLatin1("unordered_map<%1, %2>").arg(key, value));
}
}
type.replace(QLatin1Char('@'), QLatin1Char('*'));
type.replace(QLatin1String(" >"), QLatin1String(">"));
return type;
}
} // namespace Internal
} // namespace Debugger
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