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Fixed crash on updating function argument widget

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Crashed for example in the case of template instantiation. To make sure
the Function* stays valid, we need to not only keep around the Snapshot
but the whole LookupContext.

Done with Roberto Raggi.
This commit is contained in:
Thorbjørn Lindeijer
2009-02-16 11:20:11 +01:00
parent d98c141918
commit 7c71b1bf38
1 changed files with 5 additions and 5 deletions
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10
src/plugins/cpptools/cppcodecompletion.cpp
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@@ -78,7 +78,7 @@ class FunctionArgumentWidget : public QLabel
{
public:
FunctionArgumentWidget();
void showFunctionHint(Function *functionSymbol, const Snapshot &snapshot);
void showFunctionHint(Function *functionSymbol, const LookupContext &context);
protected:
bool eventFilter(QObject *obj, QEvent *e);
@@ -95,7 +95,7 @@ private:
QFrame *m_popupFrame;
Function *m_item;
Snapshot m_snapshot;
LookupContext m_context;
};
class ConvertToCompletionItem: protected NameVisitor
@@ -215,10 +215,10 @@ FunctionArgumentWidget::FunctionArgumentWidget()
}
void FunctionArgumentWidget::showFunctionHint(Function *functionSymbol,
const Snapshot &snapshot)
const LookupContext &context)
{
m_item = functionSymbol;
m_snapshot = snapshot;
m_context = context;
m_startpos = m_editor->position();
// update the text
@@ -1041,7 +1041,7 @@ void CppCodeCompletion::complete(const TextEditor::CompletionItem &item)
QTC_ASSERT(function, return);
m_functionArgumentWidget = new FunctionArgumentWidget();
m_functionArgumentWidget->showFunctionHint(function, typeOfExpression.snapshot());
m_functionArgumentWidget->showFunctionHint(function, typeOfExpression.lookupContext());
}
} else if (m_completionOperator == T_SIGNAL || m_completionOperator == T_SLOT) {
QString toInsert = item.m_text;