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Diffstat (limited to 'src/lib/tools/scripttools.cpp')
-rw-r--r-- | src/lib/tools/scripttools.cpp | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/lib/tools/scripttools.cpp b/src/lib/tools/scripttools.cpp new file mode 100644 index 000000000..e2fe36ea9 --- /dev/null +++ b/src/lib/tools/scripttools.cpp @@ -0,0 +1,139 @@ +/************************************************************************** +** +** This file is part of the Qt Build Suite +** +** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** +** GNU Lesser General Public License Usage +** +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this file. +** Please review the following information to ensure the GNU Lesser General +** Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. +** Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +**************************************************************************/ + +#include "scripttools.h" +#include <QtScript/QScriptEngine> +#include <QtScript/QScriptValueIterator> +#include <QDebug> + +QT_BEGIN_NAMESPACE + +QDataStream &operator<< (QDataStream &s, const QScriptProgram &script) +{ + s << script.sourceCode() + << script.fileName() + << script.firstLineNumber(); + return s; +} + +QDataStream &operator>> (QDataStream &s, QScriptProgram &script) +{ + QString fileName, sourceCode; + int lineNumber; + s >> sourceCode + >> fileName + >> lineNumber; + script = QScriptProgram(sourceCode, fileName, lineNumber); + return s; +} + +QT_END_NAMESPACE + +namespace qbs { + +static const bool debugJSImports = false; + +void addJSImport(QScriptEngine *engine, + const QScriptValue &targetObject, + const QString &id) +{ + if (debugJSImports) + qDebug() << "addJSImport (cached): " << id; + engine->globalObject().setProperty(id, targetObject); +} + +QScriptValue addJSImport(QScriptEngine *engine, + const QScriptProgram &program, + const QString &id) +{ + if (debugJSImports) + qDebug() << "addJSImport: " << id; + QScriptValue targetObject = engine->globalObject().property(id); + QScriptValue result = addJSImport(engine, program, targetObject); + engine->globalObject().setProperty(id, targetObject); + return result; +} + +QScriptValue addJSImport(QScriptEngine *engine, + const QScriptProgram &program, + QScriptValue &targetObject) +{ + engine->pushContext(); + QScriptValue result = engine->evaluate(program); + QScriptValue activationObject = engine->currentContext()->activationObject(); + engine->popContext(); + if (result.isError()) + return result; + + if (targetObject.isValid() && !targetObject.isUndefined()) { + // try to merge imports with the same target into the same object + // it is necessary for library imports that have multiple js files + QScriptValueIterator it(activationObject); + while (it.hasNext()) { + it.next(); + if (debugJSImports) + qDebug() << "mergeJSImport copying property" << it.name(); + targetObject.setProperty(it.name(), it.value()); + } + } else { + targetObject = activationObject; + } + return result; +} + +void setConfigProperty(QVariantMap &cfg, const QStringList &name, const QVariant &value) +{ + if (name.length() == 1) { + cfg.insert(name.first(), value); + } else { + QVariant &subCfg = cfg[name.first()]; + QVariantMap subCfgMap = subCfg.toMap(); + setConfigProperty(subCfgMap, name.mid(1), value); + subCfg = subCfgMap; + } +} + +QVariant getConfigProperty(const QVariantMap &cfg, const QStringList &name) +{ + if (name.length() == 1) { + return cfg.value(name.first()); + } else { + return getConfigProperty(cfg.value(name.first()).toMap(), name.mid(1)); + } +} + +} // namespace qbs |