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Diffstat (limited to 'src/script/qscriptcompiler_p.h')
| -rw-r--r-- | src/script/qscriptcompiler_p.h | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/src/script/qscriptcompiler_p.h b/src/script/qscriptcompiler_p.h deleted file mode 100644 index 67fa60f..0000000 --- a/src/script/qscriptcompiler_p.h +++ /dev/null @@ -1,377 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtScript 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 either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** 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 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QSCRIPTCOMPILER_P_H -#define QSCRIPTCOMPILER_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/QMap> - -#ifndef QT_NO_SCRIPT - -#include <QtCore/QVector> - -#include "qscriptastvisitor_p.h" -#include "qscriptasm_p.h" - -QT_BEGIN_NAMESPACE - -class QScriptEnginePrivate; - -namespace QScript { - -class Compiler: protected AST::Visitor -{ -public: - Compiler(QScriptEnginePrivate *eng); - virtual ~Compiler(); - - inline QScriptEnginePrivate *engine() const { return m_eng; } - - bool topLevelCompiler() const; - void setTopLevelCompiler(bool b); - - CompilationUnit compile(AST::Node *node, const QList<QScriptNameIdImpl *> &formals - = QList<QScriptNameIdImpl *>()); - - struct Label { - Label(int o = 0): - offset (o) {} - - int offset; - QVector<int> uses; - }; - -// instruction set - void iAdd(); - void iAssign(); - void iBitAnd(); - void iBitOr(); - void iBitXor(); - void iBitNot(); - void iBranch(int index); - void iBranchTrue(int index); - void iBranchFalse(int index); - void iCall(int argc); - void iDeclareLocal(QScriptNameIdImpl *id, bool readOnly); - void iDecr(); - void iDelete(); - void iDiv(); - void iDuplicate(); - void iEqual(); - void iFetch(QScriptNameIdImpl *id); - void iFetchField(); - void iLazyArguments(); - void iGreatOrEqual(); - void iGreatThan(); - void iIncr(); - void iInplaceAdd(); - void iInplaceAnd(); - void iInplaceDecr(); - void iInplaceDiv(); - void iInplaceLeftShift(); - void iInplaceMod(); - void iInplaceMul(); - void iInplaceOr(); - void iInplaceRightShift(); - void iInplaceSub(); - void iInplaceURightShift(); - void iInstanceOf(); - void iLeftShift(); - void iLessOrEqual(); - void iLessThan(); - void iLoadFalse(); - void iLoadNumber(double number); - void iLoadString(QScriptNameIdImpl *id); - void iNewString(QScriptNameIdImpl *id); - void iLoadThis(); - void iLoadActivation(); - void iLoadNull(); - void iLoadTrue(); - void iLoadUndefined(); - void iMod(); - void iMul(); - void iUnaryPlus(); - void iUnaryMinus(); - void iNew(int argc); - void iNewArray(); - void iNewClosure(AST::FunctionExpression *expr); - void iNewObject(); - void iNewRegExp(QScriptNameIdImpl *pattern); - void iNewRegExp(QScriptNameIdImpl *pattern, int flags); - void iNot(); - void iNotEqual(); - void iPop(); - void iPostDecr(); - void iPostIncr(); - void iPutField(); - void iResolve(QScriptNameIdImpl *id); - void iRet(); - void iRightShift(); - void iSub(); - void iStrictEqual(); - void iStrictNotEqual(); - void iSwap(); - void iThrow(); - void iTypeOf(); - void iURightShift(); - void iInplaceXor(); - void iLine(AST::Node *node); - void iNewEnumeration(); - void iToFirstElement(); - void iHasNextElement(); - void iNextElement(); - void iEnterWith(); - void iLeaveWith(); - void iBeginCatch(QScriptNameIdImpl *id); - void iEndCatch(); - void iSync(); - void iHalt(); - void iMakeReference(); - void iIn(); - void iNop(); - void iDebugger(); - -protected: - virtual bool preVisit(AST::Node *node); - - virtual bool visit(AST::ArrayLiteral *node); - virtual bool visit(AST::ArrayMemberExpression *node); - virtual bool visit(AST::Expression *node); - virtual bool visit(AST::BinaryExpression *node); - virtual bool visit(AST::BreakStatement *node); - virtual bool visit(AST::CallExpression *node); - virtual bool visit(AST::ConditionalExpression *node); - virtual bool visit(AST::ContinueStatement *node); - virtual bool visit(AST::DeleteExpression *node); - virtual bool visit(AST::DoWhileStatement *node); - virtual bool visit(AST::ExpressionStatement *node); - virtual bool visit(AST::FalseLiteral *node); - virtual bool visit(AST::FieldMemberExpression *node); - virtual bool visit(AST::ForEachStatement *node); - virtual bool visit(AST::LocalForEachStatement *node); - virtual bool visit(AST::ForStatement *node); - virtual bool visit(AST::FunctionDeclaration *node); - virtual bool visit(AST::FunctionExpression *node); - virtual bool visit(AST::FunctionSourceElement *node); - virtual bool visit(AST::IdentifierExpression *node); - virtual bool visit(AST::IfStatement *node); - virtual bool visit(AST::LabelledStatement *node); - virtual bool visit(AST::LocalForStatement *node); - virtual bool visit(AST::NewExpression *node); - virtual bool visit(AST::NewMemberExpression *node); - virtual bool visit(AST::NumericLiteral *node); - virtual bool visit(AST::ObjectLiteral *node); - virtual bool visit(AST::PostDecrementExpression *node); - virtual bool visit(AST::PostIncrementExpression *node); - virtual bool visit(AST::PreDecrementExpression *node); - virtual bool visit(AST::PreIncrementExpression *node); - virtual bool visit(AST::RegExpLiteral *node); - virtual bool visit(AST::ReturnStatement *node); - virtual bool visit(AST::SourceElements *node); - virtual bool visit(AST::StatementList *node); - virtual bool visit(AST::StatementSourceElement *node); - virtual bool visit(AST::StringLiteral *node); - virtual bool visit(AST::SwitchStatement *node); - virtual bool visit(AST::ThisExpression *node); - virtual bool visit(AST::NullExpression *node); - virtual bool visit(AST::ThrowStatement *node); - virtual bool visit(AST::TryStatement *node); - virtual bool visit(AST::TrueLiteral *node); - virtual bool visit(AST::VariableStatement *node); - virtual bool visit(AST::VariableDeclaration *node); - virtual bool visit(AST::WhileStatement *node); - virtual bool visit(AST::WithStatement *node); - virtual bool visit(AST::Block *node); - virtual bool visit(AST::TypeOfExpression *node); - virtual bool visit(AST::DebuggerStatement *node); - - virtual void endVisit(AST::BreakStatement *node); - virtual void endVisit(AST::ContinueStatement *node); - virtual void endVisit(AST::ExpressionStatement *node); - virtual void endVisit(AST::NotExpression *node); - virtual void endVisit(AST::ReturnStatement *node); - virtual void endVisit(AST::ThrowStatement *node); - virtual void endVisit(AST::TildeExpression *node); - virtual void endVisit(AST::UnaryPlusExpression *node); - virtual void endVisit(AST::UnaryMinusExpression *node); - virtual void endVisit(AST::VoidExpression *node); - virtual void endVisit(AST::EmptyStatement *node); - - void visitForInternal(AST::Statement *node, AST::ExpressionNode *condition, - AST::Statement *statement, AST::ExpressionNode *expression); - - bool isAssignmentOperator(int op) const; - int inplaceAssignmentOperator(int op) const; - - inline int nextInstructionOffset() const - { return m_instructions.count(); } - - inline void pushInstruction(QScriptInstruction::Operator op) - { - pushInstruction(op, QScriptValueImpl(), QScriptValueImpl()); - } - - inline void pushInstruction(QScriptInstruction::Operator op, - const QScriptValueImpl &arg1) - { - pushInstruction(op, arg1, QScriptValueImpl()); - } - - inline void pushInstruction(QScriptInstruction::Operator op, - const QScriptValueImpl &arg1, - const QScriptValueImpl &arg2) - { - QScriptInstruction i; - i.op = op; - i.operand[0] = arg1; - i.operand[1] = arg2; - m_instructions.append(i); - } - - inline bool generateReferences(bool b) - { - bool was = m_generateReferences; - m_generateReferences = b; - return was; - } - - inline bool generateFastArgumentLookup(bool b) - { - bool was = m_generateFastArgumentLookup; - m_generateFastArgumentLookup= b; - return was; - } - - inline bool iterationStatement(bool b) - { - bool was = m_iterationStatement; - m_iterationStatement = b; - return was; - } - - inline bool switchStatement(bool b) - { - bool was = m_switchStatement; - m_switchStatement = b; - return was; - } - - inline bool changeParseStatements(bool b) - { - bool was = m_parseStatements; - m_parseStatements = b; - return was; - } - - inline bool withStatement(bool b) - { - bool was = m_withStatement; - m_withStatement = b; - return was; - } - - inline bool generateLeaveOnBreak(bool b) - { - bool was = m_generateLeaveWithOnBreak; - m_generateLeaveWithOnBreak = b; - return was; - } - - void patchInstruction(int index, int offset); - -private: - QScriptEnginePrivate *m_eng; - - uint m_generateReferences: 1; - uint m_iterationStatement: 1; - uint m_switchStatement: 1; - uint m_withStatement: 1; - uint m_generateLeaveWithOnBreak: 1; - uint m_generateFastArgumentLookup: 1; - uint m_parseStatements: 1; - uint m_pad: 25; - - bool m_topLevelCompiler; // bit - QVector<QScriptInstruction> m_instructions; - QVector<ExceptionHandlerDescriptor> m_exceptionHandlers; - QList<QScriptNameIdImpl *> m_formals; - - struct Loop { - Loop(QScriptNameIdImpl *n = 0): - name(n) {} - - QScriptNameIdImpl *name; - Label breakLabel; - Label continueLabel; - }; - - inline Loop *changeActiveLoop(Loop *activeLoop) - { - Loop *was = m_activeLoop; - m_activeLoop = activeLoop; - return was; - } - - Loop *findLoop(QScriptNameIdImpl *name = 0); - - Loop *m_activeLoop; - QMap<AST::Statement*, Loop> m_loops; - CompilationUnit m_compilationUnit; -}; - -} // namespace QScript - -#endif // QT_NO_SCRIPT - -QT_END_NAMESPACE - -#endif |