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Check if the document ptr is not null

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Avoid a crash when double click in hierarchy view
after the session has been changed or when the filename
changed.

Change-Id: Iebd7a99c220737262c79ade43c4ee8d11dcc037f
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
This commit is contained in:
Jarek Kobus
2021-01-27 11:50:15 +01:00
parent 9acde4f261
commit 59718d7c4e
1 changed files with 5 additions and 0 deletions
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5
src/plugins/cpptools/cppelementevaluator.cpp
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@@ -548,6 +548,9 @@ public:
QString &expression) QString &expression)
{ {
doc = snapshot.document(m_fileName); doc = snapshot.document(m_fileName);
if (doc.isNull())
return false;
expression = m_expression; expression = m_expression;
// Fetch the expression's code // Fetch the expression's code
@@ -729,6 +732,8 @@ Utils::Link CppElementEvaluator::linkFromExpression(const QString &expression, c
{ {
const Snapshot &snapshot = CppModelManager::instance()->snapshot(); const Snapshot &snapshot = CppModelManager::instance()->snapshot();
Document::Ptr doc = snapshot.document(fileName); Document::Ptr doc = snapshot.document(fileName);
if (doc.isNull())
return Utils::Link();
Scope *scope = doc->globalNamespace(); Scope *scope = doc->globalNamespace();
TypeOfExpression typeOfExpression; TypeOfExpression typeOfExpression;