| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQml module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| #ifndef QV4COMPILER_P_H |
| #define QV4COMPILER_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 <QtCore/qstring.h> |
| #include <QtCore/qhash.h> |
| #include <QtCore/qstringlist.h> |
| #include <private/qv4compilerglobal_p.h> |
| #include <private/qqmljsastfwd_p.h> |
| #include <private/qv4compileddata_p.h> |
| #include <private/qv4staticvalue_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQmlPropertyData; |
| |
| namespace QV4 { |
| |
| namespace CompiledData { |
| struct Unit; |
| struct Lookup; |
| struct RegExp; |
| struct JSClassMember; |
| } |
| |
| namespace Compiler { |
| |
| struct Context; |
| struct Module; |
| struct Class; |
| struct TemplateObject; |
| |
| struct Q_QMLCOMPILER_PRIVATE_EXPORT StringTableGenerator { |
| StringTableGenerator(); |
| |
| int registerString(const QString &str); |
| int getStringId(const QString &string) const; |
| QString stringForIndex(int index) const { return strings.at(index); } |
| uint stringCount() const { return strings.size() - backingUnitTableSize; } |
| |
| uint sizeOfTableAndData() const { return stringDataSize + ((stringCount() * sizeof(uint) + 7) & ~7); } |
| |
| void freeze() { frozen = true; } |
| |
| void clear(); |
| |
| void initializeFromBackingUnit(const CompiledData::Unit *unit); |
| |
| void serialize(CompiledData::Unit *unit); |
| QStringList allStrings() const { return strings.mid(backingUnitTableSize); } |
| |
| private: |
| QHash<QString, int> stringToId; |
| QStringList strings; |
| uint stringDataSize; |
| uint backingUnitTableSize = 0; |
| bool frozen = false; |
| }; |
| |
| struct Q_QMLCOMPILER_PRIVATE_EXPORT JSUnitGenerator { |
| static void generateUnitChecksum(CompiledData::Unit *unit); |
| |
| struct MemberInfo { |
| QString name; |
| bool isAccessor; |
| }; |
| |
| JSUnitGenerator(Module *module); |
| |
| int registerString(const QString &str) { return stringTable.registerString(str); } |
| int getStringId(const QString &string) const { return stringTable.getStringId(string); } |
| QString stringForIndex(int index) const { return stringTable.stringForIndex(index); } |
| |
| int registerGetterLookup(const QString &name); |
| int registerGetterLookup(int nameIndex); |
| int registerSetterLookup(const QString &name); |
| int registerSetterLookup(int nameIndex); |
| int registerGlobalGetterLookup(int nameIndex); |
| int registerQmlContextPropertyGetterLookup(int nameIndex); |
| |
| int registerRegExp(QQmlJS::AST::RegExpLiteral *regexp); |
| |
| int registerConstant(ReturnedValue v); |
| ReturnedValue constant(int idx); |
| |
| int registerJSClass(const QStringList &members); |
| |
| int registerTranslation(const CompiledData::TranslationData &translation); |
| |
| enum GeneratorOption { |
| GenerateWithStringTable, |
| GenerateWithoutStringTable |
| }; |
| |
| QV4::CompiledData::Unit *generateUnit(GeneratorOption option = GenerateWithStringTable); |
| void writeFunction(char *f, Context *irFunction) const; |
| void writeClass(char *f, const Class &c); |
| void writeTemplateObject(char *f, const TemplateObject &o); |
| void writeBlock(char *f, Context *irBlock) const; |
| |
| StringTableGenerator stringTable; |
| QString codeGeneratorName; |
| private: |
| CompiledData::Unit generateHeader(GeneratorOption option, quint32_le *functionOffsets, uint *jsClassDataOffset); |
| |
| Module *module; |
| |
| QList<CompiledData::Lookup> lookups; |
| QVector<CompiledData::RegExp> regexps; |
| QVector<ReturnedValue> constants; |
| QByteArray jsClassData; |
| QVector<int> jsClassOffsets; |
| QVector<CompiledData::TranslationData> translations; |
| }; |
| |
| } |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |