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Fix cancelling search for usages.

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Change-Id: Ic78cf5030e78759018ea84d0c258c81c8081ae98
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>
This commit is contained in:
Eike Ziller
2011-12-20 11:15:23 +01:00
parent e8da8c8c5b
commit bf97079be3
1 changed files with 26 additions and 7 deletions
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33
src/plugins/cpptools/cppfindreferences.cpp
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@@ -95,18 +95,26 @@ class ProcessFile: public std::unary_function<QString, QList<Usage> >
const Snapshot snapshot;
Document::Ptr symbolDocument;
Symbol *symbol;
QFutureInterface<Usage> *future;
public:
ProcessFile(const CppModelManagerInterface::WorkingCopy &workingCopy,
const Snapshot snapshot,
Document::Ptr symbolDocument,
Symbol *symbol)
: workingCopy(workingCopy), snapshot(snapshot), symbolDocument(symbolDocument), symbol(symbol)
Symbol *symbol,
QFutureInterface<Usage> *future)
: workingCopy(workingCopy),
snapshot(snapshot),
symbolDocument(symbolDocument),
symbol(symbol),
future(future)
{ }
QList<Usage> operator()(const QString &fileName)
{
QList<Usage> usages;
if (future->isCanceled())
return usages;
const Identifier *symbolId = symbol->identifier();
if (Document::Ptr previousDoc = snapshot.document(fileName)) {
@@ -214,9 +222,13 @@ static void find_helper(QFutureInterface<Usage> &future,
future.setProgressRange(0, files.size());
ProcessFile process(workingCopy, snapshot, context.thisDocument(), symbol);
ProcessFile process(workingCopy, snapshot, context.thisDocument(), symbol, &future);
UpdateUI reduce(&future);
// This thread waits for blockingMappedReduced to finish, so reduce the pool's used thread count
// so the blockingMappedReduced can use one more thread, and increase it again afterwards.
QThreadPool::globalInstance()->releaseThread();
QtConcurrent::blockingMappedReduced<QList<Usage> > (files, process, reduce);
QThreadPool::globalInstance()->reserveThread();
future.setProgressValue(files.size());
}
@@ -342,17 +354,21 @@ class FindMacroUsesInFile: public std::unary_function<QString, QList<Usage> >
const CppModelManagerInterface::WorkingCopy workingCopy;
const Snapshot snapshot;
const Macro &macro;
QFutureInterface<Usage> *future;
public:
FindMacroUsesInFile(const CppModelManagerInterface::WorkingCopy &workingCopy,
const Snapshot snapshot,
const Macro &macro)
: workingCopy(workingCopy), snapshot(snapshot), macro(macro)
const Macro &macro,
QFutureInterface<Usage> *future)
: workingCopy(workingCopy), snapshot(snapshot), macro(macro), future(future)
{ }
QList<Usage> operator()(const QString &fileName)
{
QList<Usage> usages;
if (future->isCanceled())
return usages;
const Document::Ptr &doc = snapshot.document(fileName);
QByteArray source;
@@ -421,10 +437,13 @@ static void findMacroUses_helper(QFutureInterface<Usage> &future,
future.setProgressRange(0, files.size());
FindMacroUsesInFile process(workingCopy, snapshot, macro);
FindMacroUsesInFile process(workingCopy, snapshot, macro, &future);
UpdateUI reduce(&future);
// This thread waits for blockingMappedReduced to finish, so reduce the pool's used thread count
// so the blockingMappedReduced can use one more thread, and increase it again afterwards.
QThreadPool::globalInstance()->releaseThread();
QtConcurrent::blockingMappedReduced<QList<Usage> > (files, process, reduce);
QThreadPool::globalInstance()->reserveThread();
future.setProgressValue(files.size());
}