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Diffstat (limited to 'src/declarative/qml/v4/qdeclarativev4instruction_p.h')
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1 files changed, 444 insertions, 0 deletions
diff --git a/src/declarative/qml/v4/qdeclarativev4instruction_p.h b/src/declarative/qml/v4/qdeclarativev4instruction_p.h new file mode 100644 index 0000000000..67b152adea --- /dev/null +++ b/src/declarative/qml/v4/qdeclarativev4instruction_p.h @@ -0,0 +1,444 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVEV4INSTRUCTION_P_H +#define QDECLARATIVEV4INSTRUCTION_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/qglobal.h> +#include <QtCore/qbytearray.h> +#include <QtCore/qvector.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +#define FOR_EACH_V4_INSTR(F) \ + F(Noop, common) \ + F(BindingId, id) \ + F(Subscribe, subscribeop) \ + F(SubscribeId, subscribeop) \ + F(FetchAndSubscribe, fetchAndSubscribe) \ + F(LoadId, load) \ + F(LoadScope, load) \ + F(LoadRoot, load) \ + F(LoadAttached, attached) \ + F(UnaryNot, unaryop) \ + F(UnaryMinusReal, unaryop) \ + F(UnaryMinusInt, unaryop) \ + F(UnaryPlusReal, unaryop) \ + F(UnaryPlusInt, unaryop) \ + F(ConvertBoolToInt, unaryop) \ + F(ConvertBoolToReal, unaryop) \ + F(ConvertBoolToString, unaryop) \ + F(ConvertIntToBool, unaryop) \ + F(ConvertIntToReal, unaryop) \ + F(ConvertIntToString, unaryop) \ + F(ConvertRealToBool, unaryop) \ + F(ConvertRealToInt, unaryop) \ + F(ConvertRealToString, unaryop) \ + F(ConvertStringToBool, unaryop) \ + F(ConvertStringToInt, unaryop) \ + F(ConvertStringToReal, unaryop) \ + F(MathSinReal, unaryop) \ + F(MathCosReal, unaryop) \ + F(MathRoundReal, unaryop) \ + F(MathFloorReal, unaryop) \ + F(MathPIReal, unaryop) \ + F(Real, real_value) \ + F(Int, int_value) \ + F(Bool, bool_value) \ + F(String, string_value) \ + F(EnableV4Test, string_value) \ + F(TestV4Store, storetest) \ + F(BitAndInt, binaryop) \ + F(BitOrInt, binaryop) \ + F(BitXorInt, binaryop) \ + F(AddReal, binaryop) \ + F(AddString, binaryop) \ + F(SubReal, binaryop) \ + F(MulReal, binaryop) \ + F(DivReal, binaryop) \ + F(ModReal, binaryop) \ + F(LShiftInt, binaryop) \ + F(RShiftInt, binaryop) \ + F(URShiftInt, binaryop) \ + F(GtReal, binaryop) \ + F(LtReal, binaryop) \ + F(GeReal, binaryop) \ + F(LeReal, binaryop) \ + F(EqualReal, binaryop) \ + F(NotEqualReal, binaryop) \ + F(StrictEqualReal, binaryop) \ + F(StrictNotEqualReal, binaryop) \ + F(GtString, binaryop) \ + F(LtString, binaryop) \ + F(GeString, binaryop) \ + F(LeString, binaryop) \ + F(EqualString, binaryop) \ + F(NotEqualString, binaryop) \ + F(StrictEqualString, binaryop) \ + F(StrictNotEqualString, binaryop) \ + F(NewString, construct) \ + F(NewUrl, construct) \ + F(CleanupRegister, cleanup) \ + F(Copy, copy) \ + F(Fetch, fetch) \ + F(Store, store) \ + F(Jump, jump) \ + F(BranchTrue, branchop) \ + F(BranchFalse, branchop) \ + F(Branch, branchop) \ + F(Block, blockop) \ + /* Speculative property resolution */ \ + F(InitString, initstring) + +#if defined(Q_CC_GNU) && (!defined(Q_CC_INTEL) || __INTEL_COMPILER >= 1200) +# define QML_THREADED_INTERPRETER +#endif + +#ifdef Q_ALIGNOF +# define QML_V4_INSTR_ALIGN_MASK (Q_ALIGNOF(Instr) - 1) +#else +# define QML_V4_INSTR_ALIGN_MASK (sizeof(void *) - 1) +#endif + +#define QML_V4_INSTR_ENUM(I, FMT) I, +#define QML_V4_INSTR_ADDR(I, FMT) &&op_##I, +#define QML_V4_INSTR_SIZE(I, FMT) ((sizeof(Instr::instr_##FMT) + QML_V4_INSTR_ALIGN_MASK) & ~QML_V4_INSTR_ALIGN_MASK) + +#ifdef QML_THREADED_INTERPRETER +# define QML_V4_BEGIN_INSTR(I,FMT) op_##I: +# define QML_V4_END_INSTR(I,FMT) code += QML_V4_INSTR_SIZE(I, FMT); instr = (const Instr *) code; goto *instr->common.code; +# define QML_V4_INSTR_HEADER void *code; +#else +# define QML_V4_BEGIN_INSTR(I,FMT) case Instr::I: +# define QML_V4_END_INSTR(I,FMT) code += QML_V4_INSTR_SIZE(I, FMT); instr = (const Instr *) code; break; +# define QML_V4_INSTR_HEADER +#endif + +namespace QDeclarativeJS { + +union Instr { + int size() const; + void dump(int = -1) const; + void noop(); + void load_root(quint8 reg); + void load_scope(quint8 reg); + void load_id(quint8 reg, quint32 idIndex); + void subscribe(qint8 reg, quint16 offset, quint32 index); + void subscribeId(qint8 reg, quint16 offset, quint32 index); + void move_reg_bool(quint8 reg, bool value); + void move_reg_int(quint8 reg, int value); + void move_reg_qreal(quint8 reg, qreal value); + void move_reg_reg(quint8 reg, quint8 src); + + void unary_not(quint8 dest, quint8 src); + void uminus_real(quint8 dest, quint8 src); + void uminus_int(quint8 dest, quint8 src); + void uplus_real(quint8 dest, quint8 src); + void uplus_int(quint8 dest, quint8 src); + void ucompl_real(quint8 dest, quint8 src); + void ucompl_int(quint8 dest, quint8 src); + + void math_sin_real(quint8 reg); + void math_cos_real(quint8 reg); + void math_round_real(quint8 reg); + void math_floor_real(quint8 reg); + void math_pi_real(quint8 reg); + void branch_true(quint8 reg, qint16 offset); + void branch_false(quint8 reg, qint16 offset); + void branch(qint16 offset); + void block(quint32 mask); + + enum { + FOR_EACH_V4_INSTR(QML_V4_INSTR_ENUM) + }; + + struct instr_common { + QML_V4_INSTR_HEADER + quint8 type; + }; + + struct instr_id { + QML_V4_INSTR_HEADER + quint8 type; + quint16 column; + quint32 line; + }; + + struct instr_init { + QML_V4_INSTR_HEADER + quint8 type; + quint16 subscriptions; + quint16 identifiers; + }; + + struct instr_subscribeop { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + quint16 offset; + quint32 index; + }; + + struct instr_load { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + quint32 index; + }; + + struct instr_attached { + QML_V4_INSTR_HEADER + quint8 type; + qint8 output; + qint8 reg; + quint8 exceptionId; + quint32 id; + }; + + struct instr_store { + QML_V4_INSTR_HEADER + quint8 type; + qint8 output; + qint8 reg; + quint8 exceptionId; + quint32 index; + }; + + struct instr_storetest { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + qint32 regType; + }; + + struct instr_fetchAndSubscribe { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + quint8 exceptionId; + quint8 valueType; + quint16 subscription; + quint16 function; + }; + + struct instr_fetch{ + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + quint8 exceptionId; + quint8 valueType; + quint32 index; + }; + + struct instr_copy { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + qint8 src; + }; + + struct instr_construct { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + }; + + struct instr_real_value { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + qreal value; // XXX Makes the instruction 12 bytes + }; + + struct instr_int_value { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + int value; + }; + + struct instr_bool_value { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + bool value; + }; + + struct instr_string_value { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + quint16 length; + quint32 offset; + }; + + struct instr_binaryop { + QML_V4_INSTR_HEADER + quint8 type; + qint8 output; + qint8 left; + qint8 right; + }; + + struct instr_unaryop { + QML_V4_INSTR_HEADER + quint8 type; + qint8 output; + qint8 src; + }; + + struct instr_jump { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + quint32 count; + }; + + struct instr_find { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + qint8 src; + quint8 exceptionId; + quint16 name; + quint16 subscribeIndex; + }; + + struct instr_cleanup { + QML_V4_INSTR_HEADER + quint8 type; + qint8 reg; + }; + + struct instr_initstring { + QML_V4_INSTR_HEADER + quint8 type; + quint16 offset; + quint32 dataIdx; + }; + + struct instr_branchop { + QML_V4_INSTR_HEADER + quint8 type; + quint8 reg; + qint16 offset; + }; + + struct instr_blockop { + QML_V4_INSTR_HEADER + quint8 type; + quint32 block; + }; + + instr_common common; + instr_id id; + instr_init init; + instr_subscribeop subscribeop; + instr_load load; + instr_attached attached; + instr_store store; + instr_storetest storetest; + instr_fetchAndSubscribe fetchAndSubscribe; + instr_fetch fetch; + instr_copy copy; + instr_construct construct; + instr_real_value real_value; + instr_int_value int_value; + instr_bool_value bool_value; + instr_string_value string_value; + instr_binaryop binaryop; + instr_unaryop unaryop; + instr_jump jump; + instr_find find; + instr_cleanup cleanup; + instr_initstring initstring; + instr_branchop branchop; + instr_blockop blockop; +}; + +class Bytecode +{ + Q_DISABLE_COPY(Bytecode) + +public: + Bytecode(); + + QByteArray code() const { return d; } + const char *constData() const { return d.constData(); } + int size() const { return d.size(); } + int count() const { return d.count(); } + void clear() { d.clear(); } + bool isEmpty() const { return d.isEmpty(); } + void append(const Instr &instr); + void append(const QVector<Instr> &instrs); + int remove(int index); + + const Instr &operator[](int offset) const; + Instr &operator[](int offset); + +private: + QByteArray d; +#ifdef QML_THREADED_INTERPRETER + void **decodeInstr; +#endif +}; + +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QDECLARATIVEV4INSTRUCTION_P_H + |