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Diffstat (limited to 'src/script/qscriptfunction_p.h')
| -rw-r--r-- | src/script/qscriptfunction_p.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/script/qscriptfunction_p.h b/src/script/qscriptfunction_p.h new file mode 100644 index 0000000..ec79f32 --- /dev/null +++ b/src/script/qscriptfunction_p.h @@ -0,0 +1,219 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtScript module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSCRIPTFUNCTION_P_H +#define QSCRIPTFUNCTION_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qscriptobjectdata_p.h" + +#ifndef QT_NO_SCRIPT + +#include "qscriptglobals_p.h" +#include "qscriptnodepool_p.h" + +#include <QtCore/QList> + +#ifndef QT_NO_QOBJECT +# include <QtCore/QPointer> +# include <QtCore/QMetaMethod> +#endif + +QT_BEGIN_NAMESPACE + +class QScriptContext; +class QScriptContextPrivate; +class QScriptNameIdImpl; + +class QScriptFunction: public QScriptObjectData +{ +public: + enum Type { + Unknown, + Script, + C, + C2, + C3, + Qt, + QtProperty + }; + + QScriptFunction(int len = 0) + : length(len) + { } + virtual ~QScriptFunction(); + + virtual void execute(QScriptContextPrivate *context) = 0; + virtual QString toString(QScriptContextPrivate *context) const; + + virtual Type type() const { return Unknown; } + + // name of the file the function is defined in + virtual QString fileName() const; + + virtual QString functionName() const; + + virtual int startLineNumber() const; + + virtual int endLineNumber() const; + + virtual void mark(QScriptEnginePrivate *engine, int generation); + +public: // ### private + int length; + QList<QScriptNameIdImpl*> formals; +}; + +namespace QScript { + +// public API function +class CFunction: public QScriptFunction +{ +public: + CFunction(QScriptFunctionSignature funPtr, int length) + : QScriptFunction(length), m_funPtr(funPtr) + { } + + virtual ~CFunction() { } + + virtual void execute(QScriptContextPrivate *context); + + virtual Type type() const { return QScriptFunction::C; } + + virtual QString functionName() const; + +private: + QScriptFunctionSignature m_funPtr; +}; + +// internal API function +class C2Function: public QScriptFunction +{ +public: + C2Function(QScriptInternalFunctionSignature funPtr, int length, + QScriptClassInfo *classInfo, const QString &name) + : QScriptFunction(length), m_funPtr(funPtr), + m_classInfo(classInfo), m_name(name) + { } + + virtual ~C2Function() {} + + virtual void execute(QScriptContextPrivate *context); + + virtual Type type() const { return QScriptFunction::C2; } + + virtual QString functionName() const; + +private: + QScriptInternalFunctionSignature m_funPtr; + QScriptClassInfo *m_classInfo; + QString m_name; +}; + +class C3Function: public QScriptFunction +{ +public: + C3Function(QScriptFunctionWithArgSignature funPtr, void *arg, int length) + : QScriptFunction(length), m_funPtr(funPtr), m_arg(arg) + { } + + virtual ~C3Function() { } + + virtual void execute(QScriptContextPrivate *context); + + virtual Type type() const { return QScriptFunction::C3; } + +private: + QScriptFunctionWithArgSignature m_funPtr; + void *m_arg; +}; + +namespace AST { + class FunctionExpression; +} + +// implemented in qscriptcontext_p.cpp +class ScriptFunction: public QScriptFunction +{ +public: + ScriptFunction(AST::FunctionExpression *definition, NodePool *astPool): + m_definition(definition), m_astPool(astPool), m_compiledCode(0) {} + + virtual ~ScriptFunction() {} + + virtual void execute(QScriptContextPrivate *context); + + virtual QString toString(QScriptContextPrivate *context) const; + + virtual Type type() const + { return QScriptFunction::Script; } + + virtual QString fileName() const; + + virtual QString functionName() const; + + virtual int startLineNumber() const; + + virtual int endLineNumber() const; + +private: + AST::FunctionExpression *m_definition; + QExplicitlySharedDataPointer<NodePool> m_astPool; + Code *m_compiledCode; +}; + +} // namespace QScript + +QT_END_NAMESPACE + +#endif // QT_NO_SCRIPT + +#endif // QSCRIPTFUNCTION_P_H |