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Optimize remapAnnotationOffsetsToQString()

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This commit is contained in:
Florian Märkl 2020-11-08 13:24:18 +01:00
parent 2b8ac6ecf7
commit a80221641e
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GPG Key ID: 125BC8A5A6A1E857
1 changed files with 6 additions and 12 deletions
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18
src/widgets/DecompilerWidget.cpp
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@ -574,20 +574,14 @@ bool DecompilerWidget::addressInRange(RVA addr)
static QString remapAnnotationOffsetsToQString(RzAnnotatedCode &code)
{
QByteArray bytes(code.code);
QString text;
text.reserve(bytes.size()); // not exact but a reasonable approximation
QTextStream stream(bytes);
stream.setCodec("UTF-8");
std::vector<size_t> offsets;
offsets.reserve(bytes.size());
offsets.push_back(0);
QChar singleChar;
while (!stream.atEnd()) {
stream >> singleChar;
if (singleChar == QChar('/')) {
char c;
for (size_t off = 0; c = code.code[off], c; off++) {
if ((c & 0xc0) == 0x80) {
continue;
}
text.append(singleChar);
offsets.push_back(stream.pos());
offsets.push_back(off);
}
auto mapPos = [&](size_t pos) {
auto it = std::upper_bound(offsets.begin(), offsets.end(), pos);
@ -603,7 +597,7 @@ static QString remapAnnotationOffsetsToQString(RzAnnotatedCode &code)
annotation->start = mapPos(annotation->start);
annotation->end = mapPos(annotation->end);
}
return text;
return QString::fromUtf8(code.code);
}
void DecompilerWidget::setCode(RzAnnotatedCode *code)