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CppEditor: copy snapshot before FunctionDeclDefLink change calculation.

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FunctionDeclDefLink::changes is called from
CPPEditorWidget::updateFunctionDeclDefLinkNow() where it receives the
snapshot by reference from the semantic info. The semantic info is
recalculated in a/the future, so it might change the snapshot or its
documents while it's still being used by the decl/def link finder.

So, this patch takes a copy of all relevant semantic info (snapshot and
document) before starting to calculate the changes.

Change-Id: I78244a4ca8149233403b3c35ee05a2d4ed4b2770
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
This commit is contained in:
Erik Verbruggen
2014-08-18 12:25:11 +02:00
parent bc03271f0e
commit be3dbd2699
1 changed files with 6 additions and 4 deletions
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10
src/plugins/cppeditor/cppeditor.cpp
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@@ -1029,22 +1029,24 @@ void CPPEditorWidget::updateFunctionDeclDefLinkNow()
{
if (Core::EditorManager::currentEditor() != editor())
return;
const Snapshot semanticSnapshot = d->m_lastSemanticInfo.snapshot;
const Document::Ptr semanticDoc = d->m_lastSemanticInfo.doc;
if (d->m_declDefLink) {
// update the change marker
const Utils::ChangeSet changes = d->m_declDefLink->changes(d->m_lastSemanticInfo.snapshot);
const Utils::ChangeSet changes = d->m_declDefLink->changes(semanticSnapshot);
if (changes.isEmpty())
d->m_declDefLink->hideMarker(this);
else
d->m_declDefLink->showMarker(this);
return;
}
if (!d->m_lastSemanticInfo.doc || isOutdated())
if (semanticDoc.isNull() || isOutdated())
return;
Snapshot snapshot = CppModelManagerInterface::instance()->snapshot();
snapshot.insert(d->m_lastSemanticInfo.doc);
snapshot.insert(semanticDoc);
d->m_declDefLinkFinder->startFindLinkAt(textCursor(), d->m_lastSemanticInfo.doc, snapshot);
d->m_declDefLinkFinder->startFindLinkAt(textCursor(), semanticDoc, snapshot);
}
void CPPEditorWidget::onFunctionDeclDefLinkFound(QSharedPointer<FunctionDeclDefLink> link)