diff options
Diffstat (limited to 'src/qml/compiler/qv4bytecodehandler.cpp')
| -rw-r--r-- | src/qml/compiler/qv4bytecodehandler.cpp | 502 |
1 files changed, 6 insertions, 496 deletions
diff --git a/src/qml/compiler/qv4bytecodehandler.cpp b/src/qml/compiler/qv4bytecodehandler.cpp index e1fc0c6ee3..6ee027a6b7 100644 --- a/src/qml/compiler/qv4bytecodehandler.cpp +++ b/src/qml/compiler/qv4bytecodehandler.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** 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 -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2018 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include <private/qv4bytecodehandler_p.h> @@ -58,9 +22,10 @@ ByteCodeHandler::~ByteCodeHandler() Q_UNUSED(base_ptr); \ _currentOffset = _nextOffset; \ _nextOffset = code - start; \ - startInstruction(Instr::Type::instr); \ - INSTR_##instr(DISPATCH) \ - endInstruction(Instr::Type::instr); \ + if (startInstruction(Instr::Type::instr) == ProcessInstruction) { \ + INSTR_##instr(DISPATCH) \ + endInstruction(Instr::Type::instr); \ + } \ continue; \ } @@ -79,458 +44,3 @@ void ByteCodeHandler::decode(const char *code, uint len) #undef DECODE_AND_DISPATCH #undef DISPATCH_INSTRUCTION - -#define MOTH_UNUSED_ARGS0() -#define MOTH_UNUSED_ARGS1(arg) \ - Q_UNUSED(arg); -#define MOTH_UNUSED_ARGS2(arg1, arg2) \ - Q_UNUSED(arg1); \ - Q_UNUSED(arg2); -#define MOTH_UNUSED_ARGS3(arg1, arg2, arg3) \ - Q_UNUSED(arg1); \ - Q_UNUSED(arg2); \ - Q_UNUSED(arg3); -#define MOTH_UNUSED_ARGS4(arg1, arg2, arg3, arg4) \ - Q_UNUSED(arg1); \ - Q_UNUSED(arg2); \ - Q_UNUSED(arg3); \ - Q_UNUSED(arg4); - -#define MOTH_MARK_ARGS_UNUSED_PLEASE(nargs, ...) \ - MOTH_EXPAND_FOR_MSVC(MOTH_UNUSED_ARGS##nargs(__VA_ARGS__)) - -#define MOTH_MARK_ARGS_UNUSED_INSTRUCTION(name, nargs, ...) \ - MOTH_MARK_ARGS_UNUSED_PLEASE(nargs, __VA_ARGS__) - -#define COLLECTOR_BEGIN_INSTR(instr) \ - { \ - INSTR_##instr(MOTH_DECODE_WITH_BASE) \ - INSTR_##instr(MOTH_MARK_ARGS_UNUSED) \ - Q_UNUSED(base_ptr); - -#define COLLECTOR_END_INSTR(instr) \ - continue; \ - } - -std::vector<int> ByteCodeHandler::collectLabelsInBytecode(const char *code, uint len) -{ - MOTH_JUMP_TABLE; - - std::vector<int> labels; - - const auto addLabel = [&labels,len](int offset) { - Q_ASSERT(offset >= 0 && offset < static_cast<int>(len)); - labels.push_back(offset); - }; - - const char *start = code; - const char *end = code + len; - while (code < end) { - MOTH_DISPATCH() - Q_UNREACHABLE(); - - COLLECTOR_BEGIN_INSTR(LoadReg) - COLLECTOR_END_INSTR(LoadReg) - - COLLECTOR_BEGIN_INSTR(StoreReg) - COLLECTOR_END_INSTR(StoreReg) - - COLLECTOR_BEGIN_INSTR(MoveReg) - COLLECTOR_END_INSTR(MoveReg) - - COLLECTOR_BEGIN_INSTR(LoadConst) - COLLECTOR_END_INSTR(LoadConst) - - COLLECTOR_BEGIN_INSTR(LoadNull) - COLLECTOR_END_INSTR(LoadNull) - - COLLECTOR_BEGIN_INSTR(LoadZero) - COLLECTOR_END_INSTR(LoadZero) - - COLLECTOR_BEGIN_INSTR(LoadTrue) - COLLECTOR_END_INSTR(LoadTrue) - - COLLECTOR_BEGIN_INSTR(LoadFalse) - COLLECTOR_END_INSTR(LoadFalse) - - COLLECTOR_BEGIN_INSTR(LoadUndefined) - COLLECTOR_END_INSTR(LoadUndefined) - - COLLECTOR_BEGIN_INSTR(LoadInt) - COLLECTOR_END_INSTR(LoadInt) - - COLLECTOR_BEGIN_INSTR(MoveConst) - COLLECTOR_END_INSTR(MoveConst) - - COLLECTOR_BEGIN_INSTR(LoadImport) - COLLECTOR_END_INSTR(LoadImport) - - COLLECTOR_BEGIN_INSTR(LoadLocal) - COLLECTOR_END_INSTR(LoadLocal) - - COLLECTOR_BEGIN_INSTR(StoreLocal) - COLLECTOR_END_INSTR(StoreLocal) - - COLLECTOR_BEGIN_INSTR(LoadScopedLocal) - COLLECTOR_END_INSTR(LoadScopedLocal) - - COLLECTOR_BEGIN_INSTR(StoreScopedLocal) - COLLECTOR_END_INSTR(StoreScopedLocal) - - COLLECTOR_BEGIN_INSTR(LoadRuntimeString) - COLLECTOR_END_INSTR(LoadRuntimeString) - - COLLECTOR_BEGIN_INSTR(MoveRegExp) - COLLECTOR_END_INSTR(MoveRegExp) - - COLLECTOR_BEGIN_INSTR(LoadClosure) - COLLECTOR_END_INSTR(LoadClosure) - - COLLECTOR_BEGIN_INSTR(LoadName) - COLLECTOR_END_INSTR(LoadName) - - COLLECTOR_BEGIN_INSTR(LoadGlobalLookup) - COLLECTOR_END_INSTR(LoadGlobalLookup) - - COLLECTOR_BEGIN_INSTR(LoadQmlContextPropertyLookup) - COLLECTOR_END_INSTR(LoadQmlContextPropertyLookup) - - COLLECTOR_BEGIN_INSTR(StoreNameSloppy) - COLLECTOR_END_INSTR(StoreNameSloppy) - - COLLECTOR_BEGIN_INSTR(StoreNameStrict) - COLLECTOR_END_INSTR(StoreNameStrict) - - COLLECTOR_BEGIN_INSTR(LoadElement) - COLLECTOR_END_INSTR(LoadElement) - - COLLECTOR_BEGIN_INSTR(StoreElement) - COLLECTOR_END_INSTR(StoreElement) - - COLLECTOR_BEGIN_INSTR(LoadProperty) - COLLECTOR_END_INSTR(LoadProperty) - - COLLECTOR_BEGIN_INSTR(GetLookup) - COLLECTOR_END_INSTR(GetLookup) - - COLLECTOR_BEGIN_INSTR(StoreProperty) - COLLECTOR_END_INSTR(StoreProperty) - - COLLECTOR_BEGIN_INSTR(SetLookup) - COLLECTOR_END_INSTR(SetLookup) - - COLLECTOR_BEGIN_INSTR(LoadSuperProperty) - COLLECTOR_END_INSTR(LoadSuperProperty) - - COLLECTOR_BEGIN_INSTR(StoreSuperProperty) - COLLECTOR_END_INSTR(StoreSuperProperty) - - COLLECTOR_BEGIN_INSTR(Yield) - COLLECTOR_END_INSTR(Yield) - - COLLECTOR_BEGIN_INSTR(YieldStar) - COLLECTOR_END_INSTR(YieldStar) - - COLLECTOR_BEGIN_INSTR(Resume) - COLLECTOR_END_INSTR(Resume) - - COLLECTOR_BEGIN_INSTR(CallValue) - COLLECTOR_END_INSTR(CallValue) - - COLLECTOR_BEGIN_INSTR(CallWithReceiver) - COLLECTOR_END_INSTR(CallWithReceiver) - - COLLECTOR_BEGIN_INSTR(CallProperty) - COLLECTOR_END_INSTR(CallProperty) - - COLLECTOR_BEGIN_INSTR(CallPropertyLookup) - COLLECTOR_END_INSTR(CallPropertyLookup) - - COLLECTOR_BEGIN_INSTR(CallElement) - COLLECTOR_END_INSTR(CallElement) - - COLLECTOR_BEGIN_INSTR(CallName) - COLLECTOR_END_INSTR(CallName) - - COLLECTOR_BEGIN_INSTR(CallPossiblyDirectEval) - COLLECTOR_END_INSTR(CallPossiblyDirectEval) - - COLLECTOR_BEGIN_INSTR(CallGlobalLookup) - COLLECTOR_END_INSTR(CallGlobalLookup) - - COLLECTOR_BEGIN_INSTR(CallQmlContextPropertyLookup) - COLLECTOR_END_INSTR(CallQmlContextPropertyLookup) - - COLLECTOR_BEGIN_INSTR(CallWithSpread) - COLLECTOR_END_INSTR(CallWithSpread) - - COLLECTOR_BEGIN_INSTR(Construct) - COLLECTOR_END_INSTR(Construct) - - COLLECTOR_BEGIN_INSTR(ConstructWithSpread) - COLLECTOR_END_INSTR(ConstructWithSpread) - - COLLECTOR_BEGIN_INSTR(SetUnwindHandler) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(SetUnwindHandler) - - COLLECTOR_BEGIN_INSTR(UnwindDispatch) - COLLECTOR_END_INSTR(UnwindDispatch) - - COLLECTOR_BEGIN_INSTR(UnwindToLabel) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(UnwindToLabel) - - COLLECTOR_BEGIN_INSTR(DeadTemporalZoneCheck) - COLLECTOR_END_INSTR(DeadTemporalZoneCheck) - - COLLECTOR_BEGIN_INSTR(ThrowException) - COLLECTOR_END_INSTR(ThrowException) - - COLLECTOR_BEGIN_INSTR(GetException) - COLLECTOR_END_INSTR(HasException) - - COLLECTOR_BEGIN_INSTR(SetException) - COLLECTOR_END_INSTR(SetExceptionFlag) - - COLLECTOR_BEGIN_INSTR(CreateCallContext) - COLLECTOR_END_INSTR(CreateCallContext) - - COLLECTOR_BEGIN_INSTR(PushCatchContext) - COLLECTOR_END_INSTR(PushCatchContext) - - COLLECTOR_BEGIN_INSTR(PushWithContext) - COLLECTOR_END_INSTR(PushWithContext) - - COLLECTOR_BEGIN_INSTR(PushBlockContext) - COLLECTOR_END_INSTR(PushBlockContext) - - COLLECTOR_BEGIN_INSTR(CloneBlockContext) - COLLECTOR_END_INSTR(CloneBlockContext) - - COLLECTOR_BEGIN_INSTR(PushScriptContext) - COLLECTOR_END_INSTR(PushScriptContext) - - COLLECTOR_BEGIN_INSTR(PopScriptContext) - COLLECTOR_END_INSTR(PopScriptContext) - - COLLECTOR_BEGIN_INSTR(PopContext) - COLLECTOR_END_INSTR(PopContext) - - COLLECTOR_BEGIN_INSTR(GetIterator) - COLLECTOR_END_INSTR(GetIterator) - - COLLECTOR_BEGIN_INSTR(IteratorNext) - COLLECTOR_END_INSTR(IteratorNext) - - COLLECTOR_BEGIN_INSTR(IteratorNextForYieldStar) - COLLECTOR_END_INSTR(IteratorNextForYieldStar) - - COLLECTOR_BEGIN_INSTR(IteratorClose) - COLLECTOR_END_INSTR(IteratorClose) - - COLLECTOR_BEGIN_INSTR(DestructureRestElement) - COLLECTOR_END_INSTR(DestructureRestElement) - - COLLECTOR_BEGIN_INSTR(DeleteProperty) - COLLECTOR_END_INSTR(DeleteProperty) - - COLLECTOR_BEGIN_INSTR(DeleteName) - COLLECTOR_END_INSTR(DeleteName) - - COLLECTOR_BEGIN_INSTR(TypeofName) - COLLECTOR_END_INSTR(TypeofName) - - COLLECTOR_BEGIN_INSTR(TypeofValue) - COLLECTOR_END_INSTR(TypeofValue) - - COLLECTOR_BEGIN_INSTR(DeclareVar) - COLLECTOR_END_INSTR(DeclareVar) - - COLLECTOR_BEGIN_INSTR(DefineArray) - COLLECTOR_END_INSTR(DefineArray) - - COLLECTOR_BEGIN_INSTR(DefineObjectLiteral) - COLLECTOR_END_INSTR(DefineObjectLiteral) - - COLLECTOR_BEGIN_INSTR(CreateClass) - COLLECTOR_END_INSTR(CreateClass) - - COLLECTOR_BEGIN_INSTR(CreateMappedArgumentsObject) - COLLECTOR_END_INSTR(CreateMappedArgumentsObject) - - COLLECTOR_BEGIN_INSTR(CreateUnmappedArgumentsObject) - COLLECTOR_END_INSTR(CreateUnmappedArgumentsObject) - - COLLECTOR_BEGIN_INSTR(CreateRestParameter) - COLLECTOR_END_INSTR(CreateRestParameter) - - COLLECTOR_BEGIN_INSTR(ConvertThisToObject) - COLLECTOR_END_INSTR(ConvertThisToObject) - - COLLECTOR_BEGIN_INSTR(LoadSuperConstructor) - COLLECTOR_END_INSTR(LoadSuperConstructor) - - COLLECTOR_BEGIN_INSTR(ToObject) - COLLECTOR_END_INSTR(ToObject) - - COLLECTOR_BEGIN_INSTR(Jump) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(Jump) - - COLLECTOR_BEGIN_INSTR(JumpTrue) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(JumpTrue) - - COLLECTOR_BEGIN_INSTR(JumpFalse) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(JumpFalse) - - COLLECTOR_BEGIN_INSTR(JumpNoException) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(JumpNoException) - - COLLECTOR_BEGIN_INSTR(JumpNotUndefined) - addLabel(code - start + offset); - COLLECTOR_END_INSTR(JumpNotUndefined) - - COLLECTOR_BEGIN_INSTR(CmpEqNull) - COLLECTOR_END_INSTR(CmpEqNull) - - COLLECTOR_BEGIN_INSTR(CmpNeNull) - COLLECTOR_END_INSTR(CmpNeNull) - - COLLECTOR_BEGIN_INSTR(CmpEqInt) - COLLECTOR_END_INSTR(CmpEq) - - COLLECTOR_BEGIN_INSTR(CmpNeInt) - COLLECTOR_END_INSTR(CmpNeInt) - - COLLECTOR_BEGIN_INSTR(CmpEq) - COLLECTOR_END_INSTR(CmpEq) - - COLLECTOR_BEGIN_INSTR(CmpNe) - COLLECTOR_END_INSTR(CmpNe) - - COLLECTOR_BEGIN_INSTR(CmpGt) - COLLECTOR_END_INSTR(CmpGt) - - COLLECTOR_BEGIN_INSTR(CmpGe) - COLLECTOR_END_INSTR(CmpGe) - - COLLECTOR_BEGIN_INSTR(CmpLt) - COLLECTOR_END_INSTR(CmpLt) - - COLLECTOR_BEGIN_INSTR(CmpLe) - COLLECTOR_END_INSTR(CmpLe) - - COLLECTOR_BEGIN_INSTR(CmpStrictEqual) - COLLECTOR_END_INSTR(CmpStrictEqual) - - COLLECTOR_BEGIN_INSTR(CmpStrictNotEqual) - COLLECTOR_END_INSTR(CmpStrictNotEqual) - - COLLECTOR_BEGIN_INSTR(CmpIn) - COLLECTOR_END_INSTR(CmpIn) - - COLLECTOR_BEGIN_INSTR(CmpInstanceOf) - COLLECTOR_END_INSTR(CmpInstanceOf) - - COLLECTOR_BEGIN_INSTR(UNot) - COLLECTOR_END_INSTR(UNot) - - COLLECTOR_BEGIN_INSTR(UPlus) - COLLECTOR_END_INSTR(UPlus) - - COLLECTOR_BEGIN_INSTR(UMinus) - COLLECTOR_END_INSTR(UMinus) - - COLLECTOR_BEGIN_INSTR(UCompl) - COLLECTOR_END_INSTR(UCompl) - - COLLECTOR_BEGIN_INSTR(Increment) - COLLECTOR_END_INSTR(PreIncrement) - - COLLECTOR_BEGIN_INSTR(Decrement) - COLLECTOR_END_INSTR(PreDecrement) - - COLLECTOR_BEGIN_INSTR(Add) - COLLECTOR_END_INSTR(Add) - - COLLECTOR_BEGIN_INSTR(BitAnd) - COLLECTOR_END_INSTR(BitAnd) - - COLLECTOR_BEGIN_INSTR(BitOr) - COLLECTOR_END_INSTR(BitOr) - - COLLECTOR_BEGIN_INSTR(BitXor) - COLLECTOR_END_INSTR(BitXor) - - COLLECTOR_BEGIN_INSTR(UShr) - COLLECTOR_END_INSTR(UShr) - - COLLECTOR_BEGIN_INSTR(Shr) - COLLECTOR_END_INSTR(Shr) - - COLLECTOR_BEGIN_INSTR(Shl) - COLLECTOR_END_INSTR(Shl) - - COLLECTOR_BEGIN_INSTR(BitAndConst) - COLLECTOR_END_INSTR(BitAndConst) - - COLLECTOR_BEGIN_INSTR(BitOrConst) - COLLECTOR_END_INSTR(BitOr) - - COLLECTOR_BEGIN_INSTR(BitXorConst) - COLLECTOR_END_INSTR(BitXor) - - COLLECTOR_BEGIN_INSTR(UShrConst) - COLLECTOR_END_INSTR(UShrConst) - - COLLECTOR_BEGIN_INSTR(ShrConst) - COLLECTOR_END_INSTR(ShrConst) - - COLLECTOR_BEGIN_INSTR(ShlConst) - COLLECTOR_END_INSTR(ShlConst) - - COLLECTOR_BEGIN_INSTR(Exp) - COLLECTOR_END_INSTR(Exp) - - COLLECTOR_BEGIN_INSTR(Mul) - COLLECTOR_END_INSTR(Mul) - - COLLECTOR_BEGIN_INSTR(Div) - COLLECTOR_END_INSTR(Div) - - COLLECTOR_BEGIN_INSTR(Mod) - COLLECTOR_END_INSTR(Mod) - - COLLECTOR_BEGIN_INSTR(Sub) - COLLECTOR_END_INSTR(Sub) - - COLLECTOR_BEGIN_INSTR(Ret) - COLLECTOR_END_INSTR(Ret) - -#ifndef QT_NO_QML_DEBUGGER - COLLECTOR_BEGIN_INSTR(Debug) - COLLECTOR_END_INSTR(Debug) -#endif // QT_NO_QML_DEBUGGER - - COLLECTOR_BEGIN_INSTR(InitializeBlockDeadTemporalZone) - COLLECTOR_END_INSTR(InitializeBlockDeadTemporalZone) - - COLLECTOR_BEGIN_INSTR(ThrowOnNullOrUndefined) - COLLECTOR_END_INSTR(ThrowOnNullOrUndefined) - - COLLECTOR_BEGIN_INSTR(GetTemplateObject) - COLLECTOR_END_INSTR(GetTemplateObject) - - COLLECTOR_BEGIN_INSTR(TailCall) - COLLECTOR_END_INSTR(TailCall) - } - - return labels; -} - -#undef COLLECTOR_BEGIN_INSTR -#undef COLLECTOR_END_INSTR |