+++ /dev/null
-/*
- Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
-
-#ifndef qscriptengine_p_h
-#define qscriptengine_p_h
-
-#include "qscriptconverter_p.h"
-#include "qscriptengine.h"
-#include "qscriptoriginalglobalobject_p.h"
-#include "qscriptstring_p.h"
-#include "qscriptsyntaxcheckresult_p.h"
-#include "qscriptvalue.h"
-#include <JavaScriptCore/JavaScript.h>
-#include <JavaScriptCore/JSRetainPtr.h>
-#include <JSBasePrivate.h>
-#include <QtCore/qshareddata.h>
-#include <QtCore/qstring.h>
-#include <QtCore/qstringlist.h>
-
-class QScriptEngine;
-class QScriptSyntaxCheckResultPrivate;
-
-class QScriptEnginePrivate : public QSharedData {
-public:
- static QScriptEnginePrivate* get(const QScriptEngine* q) { Q_ASSERT(q); return q->d_ptr.data(); }
- static QScriptEngine* get(const QScriptEnginePrivate* d) { Q_ASSERT(d); return d->q_ptr; }
-
- QScriptEnginePrivate(const QScriptEngine*);
- ~QScriptEnginePrivate();
-
- enum SetExceptionFlag {
- IgnoreNullException = 0x01,
- NotNullException = 0x02,
- };
-
- QScriptSyntaxCheckResultPrivate* checkSyntax(const QString& program);
- QScriptValuePrivate* evaluate(const QString& program, const QString& fileName, int lineNumber);
- QScriptValuePrivate* evaluate(const QScriptProgramPrivate* program);
- inline JSValueRef evaluate(JSStringRef program, JSStringRef fileName, int lineNumber);
-
- inline bool hasUncaughtException() const;
- QScriptValuePrivate* uncaughtException() const;
- inline void clearExceptions();
- inline void setException(JSValueRef exception, const /* SetExceptionFlags */ unsigned flags = IgnoreNullException);
- inline int uncaughtExceptionLineNumber() const;
- inline QStringList uncaughtExceptionBacktrace() const;
-
- inline void collectGarbage();
- inline void reportAdditionalMemoryCost(int cost);
-
- inline JSValueRef makeJSValue(double number) const;
- inline JSValueRef makeJSValue(int number) const;
- inline JSValueRef makeJSValue(uint number) const;
- inline JSValueRef makeJSValue(const QString& string) const;
- inline JSValueRef makeJSValue(bool number) const;
- inline JSValueRef makeJSValue(QScriptValue::SpecialValue value) const;
-
- QScriptValuePrivate* newFunction(QScriptEngine::FunctionSignature fun, QScriptValuePrivate* prototype, int length);
- QScriptValuePrivate* newFunction(QScriptEngine::FunctionWithArgSignature fun, void* arg);
- QScriptValuePrivate* newFunction(JSObjectRef funObject, QScriptValuePrivate* prototype);
-
- QScriptValuePrivate* newObject() const;
- QScriptValuePrivate* newArray(uint length);
- QScriptValuePrivate* newDate(qsreal value);
- QScriptValuePrivate* globalObject() const;
-
- inline QScriptStringPrivate* toStringHandle(const QString& str) const;
-
- inline operator JSGlobalContextRef() const;
-
- inline bool isDate(JSValueRef value) const;
- inline bool isArray(JSValueRef value) const;
- inline bool isError(JSValueRef value) const;
- inline bool objectHasOwnProperty(JSObjectRef object, JSStringRef property) const;
- inline QVector<JSStringRef> objectGetOwnPropertyNames(JSObjectRef object) const;
-
-private:
- QScriptEngine* q_ptr;
- JSGlobalContextRef m_context;
- JSValueRef m_exception;
-
- QScriptOriginalGlobalObject m_originalGlobalObject;
-
- JSClassRef m_nativeFunctionClass;
- JSClassRef m_nativeFunctionWithArgClass;
-};
-
-
-/*!
- Evaluates given JavaScript program and returns result of the evaluation.
- \attention this function doesn't take ownership of the parameters.
- \internal
-*/
-JSValueRef QScriptEnginePrivate::evaluate(JSStringRef program, JSStringRef fileName, int lineNumber)
-{
- JSValueRef exception;
- JSValueRef result = JSEvaluateScript(m_context, program, /* Global Object */ 0, fileName, lineNumber, &exception);
- if (!result) {
- setException(exception, NotNullException);
- return exception; // returns an exception
- }
- clearExceptions();
- return result;
-}
-
-bool QScriptEnginePrivate::hasUncaughtException() const
-{
- return m_exception;
-}
-
-void QScriptEnginePrivate::clearExceptions()
-{
- if (m_exception)
- JSValueUnprotect(m_context, m_exception);
- m_exception = 0;
-}
-
-void QScriptEnginePrivate::setException(JSValueRef exception, const /* SetExceptionFlags */ unsigned flags)
-{
- if (!((flags & NotNullException) || exception))
- return;
- Q_ASSERT(exception);
-
- if (m_exception)
- JSValueUnprotect(m_context, m_exception);
- JSValueProtect(m_context, exception);
- m_exception = exception;
-}
-
-int QScriptEnginePrivate::uncaughtExceptionLineNumber() const
-{
- if (!hasUncaughtException() || !JSValueIsObject(m_context, m_exception))
- return -1;
-
- JSValueRef exception = 0;
- JSRetainPtr<JSStringRef> lineNumberPropertyName(Adopt, QScriptConverter::toString("line"));
- JSValueRef lineNumber = JSObjectGetProperty(m_context, const_cast<JSObjectRef>(m_exception), lineNumberPropertyName.get(), &exception);
- int result = JSValueToNumber(m_context, lineNumber, &exception);
- return exception ? -1 : result;
-}
-
-QStringList QScriptEnginePrivate::uncaughtExceptionBacktrace() const
-{
- if (!hasUncaughtException() || !JSValueIsObject(m_context, m_exception))
- return QStringList();
-
- JSValueRef exception = 0;
- JSRetainPtr<JSStringRef> fileNamePropertyName(Adopt, QScriptConverter::toString("sourceURL"));
- JSRetainPtr<JSStringRef> lineNumberPropertyName(Adopt, QScriptConverter::toString("line"));
- JSValueRef jsFileName = JSObjectGetProperty(m_context, const_cast<JSObjectRef>(m_exception), fileNamePropertyName.get(), &exception);
- JSValueRef jsLineNumber = JSObjectGetProperty(m_context, const_cast<JSObjectRef>(m_exception), lineNumberPropertyName.get(), &exception);
- JSRetainPtr<JSStringRef> fileName(Adopt, JSValueToStringCopy(m_context, jsFileName, &exception));
- int lineNumber = JSValueToNumber(m_context, jsLineNumber, &exception);
- return QStringList(QString::fromLatin1("<anonymous>()@%0:%1")
- .arg(QScriptConverter::toString(fileName.get()))
- .arg(QScriptConverter::toString(exception ? -1 : lineNumber)));
-}
-
-void QScriptEnginePrivate::collectGarbage()
-{
- JSGarbageCollect(m_context);
-}
-
-void QScriptEnginePrivate::reportAdditionalMemoryCost(int cost)
-{
- if (cost > 0)
- JSReportExtraMemoryCost(m_context, cost);
-}
-
-JSValueRef QScriptEnginePrivate::makeJSValue(double number) const
-{
- return JSValueMakeNumber(m_context, number);
-}
-
-JSValueRef QScriptEnginePrivate::makeJSValue(int number) const
-{
- return JSValueMakeNumber(m_context, number);
-}
-
-JSValueRef QScriptEnginePrivate::makeJSValue(uint number) const
-{
- return JSValueMakeNumber(m_context, number);
-}
-
-JSValueRef QScriptEnginePrivate::makeJSValue(const QString& string) const
-{
- JSStringRef tmp = QScriptConverter::toString(string);
- JSValueRef result = JSValueMakeString(m_context, tmp);
- JSStringRelease(tmp);
- return result;
-}
-
-JSValueRef QScriptEnginePrivate::makeJSValue(bool value) const
-{
- return JSValueMakeBoolean(m_context, value);
-}
-
-JSValueRef QScriptEnginePrivate::makeJSValue(QScriptValue::SpecialValue value) const
-{
- if (value == QScriptValue::NullValue)
- return JSValueMakeNull(m_context);
- return JSValueMakeUndefined(m_context);
-}
-
-QScriptStringPrivate* QScriptEnginePrivate::toStringHandle(const QString& str) const
-{
- return new QScriptStringPrivate(str);
-}
-
-QScriptEnginePrivate::operator JSGlobalContextRef() const
-{
- Q_ASSERT(this);
- return m_context;
-}
-
-bool QScriptEnginePrivate::isDate(JSValueRef value) const
-{
- return m_originalGlobalObject.isDate(value);
-}
-
-bool QScriptEnginePrivate::isArray(JSValueRef value) const
-{
- return m_originalGlobalObject.isArray(value);
-}
-
-bool QScriptEnginePrivate::isError(JSValueRef value) const
-{
- return m_originalGlobalObject.isError(value);
-}
-
-inline bool QScriptEnginePrivate::objectHasOwnProperty(JSObjectRef object, JSStringRef property) const
-{
- // FIXME We need a JSC C API function for this.
- return m_originalGlobalObject.objectHasOwnProperty(object, property);
-}
-
-inline QVector<JSStringRef> QScriptEnginePrivate::objectGetOwnPropertyNames(JSObjectRef object) const
-{
- // FIXME We can't use C API function JSObjectGetPropertyNames as it returns only enumerable properties.
- return m_originalGlobalObject.objectGetOwnPropertyNames(object);
-}
-
-#endif
projects / apple / javascriptcore.git / blobdiff