From 1be53f4e143d417d60cd1f9a292193dab59b5b20 Mon Sep 17 00:00:00 2001 From: Anton Kudryavtsev Date: Wed, 6 Apr 2016 15:23:58 +0300 Subject: Use QStringRef to optimize memory allocation Replace substring functions that return QString with corresponding functions that return QStringRef where it's possible. Create QString from QStringRef only where necessary. While touching the code, also port loops to C++11 style. Change-Id: I04c99b24ea6afd3715e3edf9ea00bfab838fd53c Reviewed-by: Ulf Hermann Reviewed-by: Simon Hausmann Reviewed-by: Frank Meerkoetter Reviewed-by: Shawn Rutledge Reviewed-by: Robin Burchell --- src/qml/compiler/qqmltypecompiler.cpp | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'src/qml/compiler/qqmltypecompiler.cpp') diff --git a/src/qml/compiler/qqmltypecompiler.cpp b/src/qml/compiler/qqmltypecompiler.cpp index a71793f2b6..da00496cb2 100644 --- a/src/qml/compiler/qqmltypecompiler.cpp +++ b/src/qml/compiler/qqmltypecompiler.cpp @@ -179,16 +179,16 @@ bool QQmlTypeCompiler::compile() for (int scriptIndex = 0; scriptIndex < scripts.count(); ++scriptIndex) { const QQmlTypeData::ScriptReference &script = scripts.at(scriptIndex); - QString qualifier = script.qualifier; + QStringRef qualifier(&script.qualifier); QString enclosingNamespace; const int lastDotIndex = qualifier.lastIndexOf(QLatin1Char('.')); if (lastDotIndex != -1) { - enclosingNamespace = qualifier.left(lastDotIndex); + enclosingNamespace = qualifier.left(lastDotIndex).toString(); qualifier = qualifier.mid(lastDotIndex+1); } - compiledData->importCache->add(qualifier, scriptIndex, enclosingNamespace); + compiledData->importCache->add(qualifier.toString(), scriptIndex, enclosingNamespace); QQmlScriptData *scriptData = script.script->scriptData(); scriptData->addref(); compiledData->scripts << scriptData; @@ -624,7 +624,7 @@ bool QQmlPropertyCacheCreator::createMetaObject(int objectIndex, const QmlIR::Ob QString path = compiler->url().path(); int lastSlash = path.lastIndexOf(QLatin1Char('/')); if (lastSlash > -1) { - QString nameBase = path.mid(lastSlash + 1, path.length()-lastSlash-5); + const QStringRef nameBase = path.midRef(lastSlash + 1, path.length() - lastSlash - 5); if (!nameBase.isEmpty() && nameBase.at(0).isUpper()) newClassName = nameBase.toUtf8() + "_QMLTYPE_" + QByteArray::number(classIndexCounter.fetchAndAddRelaxed(1)); @@ -1163,10 +1163,10 @@ struct StaticQtMetaObject : public QObject { return &staticQtMetaObject; } }; -bool QQmlEnumTypeResolver::assignEnumToBinding(QmlIR::Binding *binding, const QString &enumName, int enumValue, bool isQtObject) +bool QQmlEnumTypeResolver::assignEnumToBinding(QmlIR::Binding *binding, const QStringRef &enumName, int enumValue, bool isQtObject) { if (enumName.length() > 0 && enumName[0].isLower() && !isQtObject) { - COMPILE_EXCEPTION(binding, tr("Invalid property assignment: Enum value \"%1\" cannot start with a lowercase letter").arg(enumName)); + COMPILE_EXCEPTION(binding, tr("Invalid property assignment: Enum value \"%1\" cannot start with a lowercase letter").arg(enumName.toString())); } binding->type = QV4::CompiledData::Binding::Type_Number; binding->value.d = (double)enumValue; @@ -1197,7 +1197,7 @@ bool QQmlEnumTypeResolver::tryQualifiedEnumAssignment(const QmlIR::Object *obj, QHashedStringRef typeName(string.constData(), dot); const bool isQtObject = (typeName == QLatin1String("Qt")); - QString enumValue = string.mid(dot+1); + const QStringRef enumValue = string.midRef(dot + 1); if (isIntProp) { // Allow enum assignment to ints. -- cgit v1.2.3