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Debugger: Better support for "raw" QByteArrays and char[]

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Display 'cooked' character as well as numerical value in both decimal
and hex.

Task-number: QTCREATORBUG-15549
Change-Id: I7f8f9efe07573b452ff44501bfca5e29e9ab437c
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: hjk <hjk@theqtcompany.com>
This commit is contained in:
hjk
2016-01-04 18:25:51 +01:00
parent 419b2951fd
commit 3eaa734cc3
1 changed files with 43 additions and 17 deletions
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60
src/plugins/debugger/watchhandler.cpp
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@@ -535,25 +535,40 @@ static QString reformatInteger(quint64 value, int format, int size, bool isSigne
}
// Format printable (char-type) characters
static QString reformatCharacter(int code, int format, bool isSigned)
static QString reformatCharacter(int code, int size, bool isSigned)
{
const QString codeS = reformatInteger(code, format, 1, isSigned);
if (code < 0) // Append unsigned value.
return codeS + QLatin1String(" / ") + reformatInteger(256 + code, format, 1, false);
const QChar c = QChar(uint(code));
QString out;
if (c.isPrint())
return codeS + QLatin1String(" '") + c + QLatin1Char('\'');
switch (code) {
case 0:
return codeS + QLatin1String(" '\\0'");
case '\r':
return codeS + QLatin1String(" '\\r'");
case '\t':
return codeS + QLatin1String(" '\\t'");
case '\n':
return codeS + QLatin1String(" '\\n'");
out = QString::fromLatin1("'") + c + QLatin1String("' ");
else if (code == 0)
out = QLatin1String("'\\0'");
else if (code == '\r')
out = QLatin1String("'\\r'");
else if (code == '\n')
out = QLatin1String("'\\n'");
else if (code == '\t')
out = QLatin1String("'\\t'");
else
out = QLatin1String(" ");
out += QLatin1Char('\t');
if (isSigned) {
out += QString::number(code);
if (code < 0)
out += QString::fromLatin1("/%1 ").arg((1 << (8*size)) + code).left(2 + 2 * size);
else
out += QString(2 + 2 * size, QLatin1Char(' '));
} else {
out += QString::number(unsigned(code));
}
return codeS;
out += QLatin1Char('\t');
out += QString::fromLatin1("0x%1").arg(uint(code & ((1ULL << (8*size)) - 1)),
2 * size, 16, QLatin1Char('0'));
return out;
}
static QString quoteUnprintable(const QString &str)
@@ -616,11 +631,22 @@ static QString formattedValue(const WatchItem *item)
// Append quoted, printable character also for decimal.
// FIXME: This is unreliable.
if (item->type.endsWith("char") || item->type.endsWith("QChar")) {
if (item->type.endsWith("char")) {
bool ok;
const int code = item->value.toInt(&ok);
bool isUnsigned = item->type == "unsigned char" || item->type == "uchar";
return ok ? reformatCharacter(code, format, !isUnsigned) : item->value;
if (ok)
return reformatCharacter(code, 1, !isUnsigned);
} else if (item->type.endsWith("wchar_t")) {
bool ok;
const int code = item->value.toInt(&ok);
if (ok)
return reformatCharacter(code, 4, false);
} else if (item->type.endsWith("QChar")) {
bool ok;
const int code = item->value.toInt(&ok);
if (ok)
return reformatCharacter(code, 2, false);
}
if (format == HexadecimalIntegerFormat