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Use mappedReduce when searching for the usages of a symbol.

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This commit is contained in:
Roberto Raggi
2009-12-04 13:04:20 +01:00
parent 425c61f624
commit aae5b92125
3 changed files with 83 additions and 55 deletions
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121
src/plugins/cpptools/cppfindreferences.cpp
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@@ -54,10 +54,13 @@
#include <QtCore/QTime>
#include <QtCore/QtConcurrentRun>
#include <QtCore/QtConcurrentMap>
#include <QtCore/QDir>
#include <QtGui/QApplication>
#include <qtconcurrent/runextensions.h>
#include <functional>
using namespace CppTools::Internal;
using namespace CPlusPlus;
@@ -81,7 +84,7 @@ QList<int> CppFindReferences::references(Symbol *symbol,
{
QList<int> references;
FindUsages findUsages(doc, snapshot, /*future = */ 0);
FindUsages findUsages(doc, snapshot);
findUsages.setGlobalNamespaceBinding(bind(doc, snapshot));
findUsages(symbol);
references = findUsages.references();
@@ -89,6 +92,77 @@ QList<int> CppFindReferences::references(Symbol *symbol,
return references;
}
class MyProcess: public std::unary_function<QString, QList<Usage> >
{
const QMap<QString, QString> wl;
const Snapshot snapshot;
Symbol *symbol;
public:
MyProcess(const QMap<QString, QString> wl,
const Snapshot snapshot,
Symbol *symbol)
: wl(wl), snapshot(snapshot), symbol(symbol)
{ }
QList<Usage> operator()(const QString &fileName)
{
QList<Usage> usages;
const Identifier *symbolId = symbol->identifier();
if (Document::Ptr previousDoc = snapshot.value(fileName)) {
Control *control = previousDoc->control();
if (! control->findIdentifier(symbolId->chars(), symbolId->size()))
return usages; // skip this document, it's not using symbolId.
}
QByteArray source;
if (wl.contains(fileName))
source = snapshot.preprocessedCode(wl.value(fileName), fileName);
else {
QFile file(fileName);
if (! file.open(QFile::ReadOnly))
return usages;
const QString contents = QTextStream(&file).readAll(); // ### FIXME
source = snapshot.preprocessedCode(contents, fileName);
}
Document::Ptr doc = snapshot.documentFromSource(source, fileName);
doc->tokenize();
Control *control = doc->control();
if (control->findIdentifier(symbolId->chars(), symbolId->size()) != 0) {
doc->check();
FindUsages process(doc, snapshot);
process.setGlobalNamespaceBinding(bind(doc, snapshot));
process(symbol);
usages = process.usages();
}
return usages;
}
};
class MyReduce: public std::binary_function<QList<Usage> &, QList<Usage>, void>
{
QFutureInterface<Usage> *future;
public:
MyReduce(QFutureInterface<Usage> *future): future(future) {}
void operator()(QList<Usage> &uu, const QList<Usage> &usages)
{
foreach (const Usage &u, usages)
future->reportResult(u);
future->setProgressValue(future->progressValue() + 1);
}
};
static void find_helper(QFutureInterface<Usage> &future,
const QMap<QString, QString> wl,
Snapshot snapshot,
@@ -121,49 +195,10 @@ static void find_helper(QFutureInterface<Usage> &future,
future.setProgressRange(0, files.size());
for (int i = 0; i < files.size(); ++i) {
if (future.isPaused())
future.waitForResume();
MyProcess process(wl, snapshot, symbol);
MyReduce reduce(&future);
if (future.isCanceled())
break;
const QString &fileName = files.at(i);
future.setProgressValueAndText(i, QFileInfo(fileName).fileName());
if (Document::Ptr previousDoc = snapshot.value(fileName)) {
Control *control = previousDoc->control();
const Identifier *id = control->findIdentifier(symbolId->chars(), symbolId->size());
if (! id)
continue; // skip this document, it's not using symbolId.
}
QByteArray source;
if (wl.contains(fileName))
source = snapshot.preprocessedCode(wl.value(fileName), fileName);
else {
QFile file(fileName);
if (! file.open(QFile::ReadOnly))
continue;
const QString contents = QTextStream(&file).readAll(); // ### FIXME
source = snapshot.preprocessedCode(contents, fileName);
}
Document::Ptr doc = snapshot.documentFromSource(source, fileName);
doc->tokenize();
Control *control = doc->control();
if (control->findIdentifier(symbolId->chars(), symbolId->size()) != 0) {
doc->check();
FindUsages process(doc, snapshot, &future);
process.setGlobalNamespaceBinding(bind(doc, snapshot));
process(symbol);
}
}
QtConcurrent::blockingMappedReduced<QList<Usage> > (files, process, reduce);
future.setProgressValue(files.size());
}