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ClangCodeModel: Show value in tool tips, if possible

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When hovering over a constant expression, it's probably helpful
to show that value to the user.
Requires clang 11 to fully work. For now, it only shows the value for
variable initializations.

Fixes: QTCREATORBUG-23967
Change-Id: I6b844231bac50993c2fa2fa82c552ad9cef590df
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
Christian Kandeler
2020-05-18 17:40:19 +02:00
parent 227904d4a6
commit 949bb0e67b
7 changed files with 61 additions and 1 deletions
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16
src/plugins/clangcodemodel/clanghoverhandler.cpp
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@@ -181,6 +181,22 @@ void ClangHoverHandler::processToolTipInfo(const CppTools::ToolTipInfo &info)
if (!info.sizeInBytes.isEmpty())
text.append("\n\n" + tr("%1 bytes").arg(info.sizeInBytes));
if (info.value.isValid()) {
text.append("\n\n" + tr("Value: "));
switch (info.value.type()) {
case static_cast<QVariant::Type>(QMetaType::LongLong):
text.append(QString::number(info.value.toLongLong()));
break;
case static_cast<QVariant::Type>(QMetaType::ULongLong):
text.append(QString::number(info.value.toULongLong()));
break;
case static_cast<QVariant::Type>(QMetaType::Double):
text.append(QString::number(info.value.toDouble()));
break;
default:
QTC_CHECK(false);
}
}
setToolTip(text);
m_reportPriority(priority());