From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001 From: Steve Block Date: Fri, 6 May 2011 11:45:16 +0100 Subject: Merge WebKit at r75315: Initial merge by git. Change-Id: I570314b346ce101c935ed22a626b48c2af266b84 --- Source/JavaScriptCore/qt/api/qscriptengine_p.cpp | 167 +++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 Source/JavaScriptCore/qt/api/qscriptengine_p.cpp (limited to 'Source/JavaScriptCore/qt/api/qscriptengine_p.cpp') diff --git a/Source/JavaScriptCore/qt/api/qscriptengine_p.cpp b/Source/JavaScriptCore/qt/api/qscriptengine_p.cpp new file mode 100644 index 0000000..89054c0 --- /dev/null +++ b/Source/JavaScriptCore/qt/api/qscriptengine_p.cpp @@ -0,0 +1,167 @@ +/* + 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. +*/ + +#include "config.h" + +#include "qscriptengine_p.h" + +#include "qscriptfunction_p.h" +#include "qscriptprogram_p.h" +#include "qscriptvalue_p.h" + +/*! + Constructs a default QScriptEnginePrivate object, a new global context will be created. + \internal +*/ +QScriptEnginePrivate::QScriptEnginePrivate(const QScriptEngine* engine) + : q_ptr(const_cast(engine)) + , m_context(JSGlobalContextCreate(0)) + , m_exception(0) + , m_originalGlobalObject(m_context) + , m_nativeFunctionClass(JSClassCreate(&qt_NativeFunctionClass)) + , m_nativeFunctionWithArgClass(JSClassCreate(&qt_NativeFunctionWithArgClass)) +{ +} + +QScriptEnginePrivate::~QScriptEnginePrivate() +{ + JSClassRelease(m_nativeFunctionClass); + JSClassRelease(m_nativeFunctionWithArgClass); + if (m_exception) + JSValueUnprotect(m_context, m_exception); + JSGlobalContextRelease(m_context); +} + +QScriptSyntaxCheckResultPrivate* QScriptEnginePrivate::checkSyntax(const QString& program) +{ + JSValueRef exception; + JSStringRef source = QScriptConverter::toString(program); + bool syntaxIsCorrect = JSCheckScriptSyntax(m_context, source, /* url */ 0, /* starting line */ 1, &exception); + JSStringRelease(source); + if (syntaxIsCorrect) { + return new QScriptSyntaxCheckResultPrivate(this); + } + JSValueProtect(m_context, exception); + return new QScriptSyntaxCheckResultPrivate(this, const_cast(exception)); +} + +/*! + Evaluates program and returns the result of the evaluation. + \internal +*/ +QScriptValuePrivate* QScriptEnginePrivate::evaluate(const QString& program, const QString& fileName, int lineNumber) +{ + JSStringRef script = QScriptConverter::toString(program); + JSStringRef file = QScriptConverter::toString(fileName); + QScriptValuePrivate* result = new QScriptValuePrivate(this, evaluate(script, file, lineNumber)); + JSStringRelease(script); + JSStringRelease(file); + return result; +} + +/*! + Evaluates program and returns the result of the evaluation. + \internal +*/ +QScriptValuePrivate* QScriptEnginePrivate::evaluate(const QScriptProgramPrivate* program) +{ + if (program->isNull()) + return new QScriptValuePrivate; + return new QScriptValuePrivate(this, evaluate(*program, program->file(), program->line())); +} + +QScriptValuePrivate* QScriptEnginePrivate::uncaughtException() const +{ + return m_exception ? new QScriptValuePrivate(this, m_exception) : new QScriptValuePrivate(); +} + +QScriptValuePrivate* QScriptEnginePrivate::newFunction(QScriptEngine::FunctionSignature fun, QScriptValuePrivate* prototype, int length) +{ + // Note that this private data will be deleted in the object finalize function. + QNativeFunctionData* data = new QNativeFunctionData(this, fun); + JSObjectRef funJS = JSObjectMake(m_context, m_nativeFunctionClass, reinterpret_cast(data)); + QScriptValuePrivate* proto = prototype ? prototype : newObject(); + return newFunction(funJS, proto); +} + +QScriptValuePrivate* QScriptEnginePrivate::newFunction(QScriptEngine::FunctionWithArgSignature fun, void* arg) +{ + // Note that this private data will be deleted in the object finalize function. + QNativeFunctionWithArgData* data = new QNativeFunctionWithArgData(this, fun, arg); + JSObjectRef funJS = JSObjectMake(m_context, m_nativeFunctionWithArgClass, reinterpret_cast(data)); + QScriptValuePrivate* proto = newObject(); + return newFunction(funJS, proto); +} + +QScriptValuePrivate* QScriptEnginePrivate::newFunction(JSObjectRef funJS, QScriptValuePrivate* prototype) +{ + JSObjectSetPrototype(m_context, funJS, m_originalGlobalObject.functionPrototype()); + + QScriptValuePrivate* result = new QScriptValuePrivate(this, funJS); + static JSStringRef protoName = QScriptConverter::toString("prototype"); + static JSStringRef constructorName = QScriptConverter::toString("constructor"); + result->setProperty(protoName, prototype, QScriptValue::Undeletable); + prototype->setProperty(constructorName, result, QScriptValue::PropertyFlags(QScriptValue::Undeletable | QScriptValue::SkipInEnumeration)); + + return result; +} + +QScriptValuePrivate* QScriptEnginePrivate::newObject() const +{ + return new QScriptValuePrivate(this, JSObjectMake(m_context, /* jsClass */ 0, /* userData */ 0)); +} + +QScriptValuePrivate* QScriptEnginePrivate::newArray(uint length) +{ + JSValueRef exception = 0; + JSObjectRef array = JSObjectMakeArray(m_context, /* argumentCount */ 0, /* arguments */ 0, &exception); + + if (!exception) { + if (length > 0) { + JSRetainPtr lengthRef(Adopt, JSStringCreateWithUTF8CString("length")); + // array is an Array instance, so an exception should not occure here. + JSObjectSetProperty(m_context, array, lengthRef.get(), JSValueMakeNumber(m_context, length), kJSPropertyAttributeNone, /* exception */ 0); + } + } else { + setException(exception, NotNullException); + return new QScriptValuePrivate(); + } + + return new QScriptValuePrivate(this, array); +} + +QScriptValuePrivate* QScriptEnginePrivate::newDate(qsreal value) +{ + JSValueRef exception = 0; + JSValueRef argument = JSValueMakeNumber(m_context, value); + JSObjectRef result = JSObjectMakeDate(m_context, /* argumentCount */ 1, &argument, &exception); + + if (exception) { + setException(exception, NotNullException); + return new QScriptValuePrivate(); + } + + return new QScriptValuePrivate(this, result); +} + +QScriptValuePrivate* QScriptEnginePrivate::globalObject() const +{ + JSObjectRef globalObject = JSContextGetGlobalObject(m_context); + return new QScriptValuePrivate(this, globalObject); +} -- cgit v1.1