mirror of https://github.com/Icinga/icinga2.git
745 lines
19 KiB
C++
745 lines
19 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef EXPRESSION_H
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#define EXPRESSION_H
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#include "config/i2-config.hpp"
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#include "config/vmframe.hpp"
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#include "base/debuginfo.hpp"
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#include "base/array.hpp"
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#include "base/dictionary.hpp"
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#include "base/scriptfunction.hpp"
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#include "base/configerror.hpp"
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#include "base/convert.hpp"
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#include <boost/foreach.hpp>
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#include <map>
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namespace icinga
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{
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struct DebugHint
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{
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public:
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DebugHint(const Dictionary::Ptr& hints = Dictionary::Ptr())
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: m_Hints(hints)
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{ }
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inline void AddMessage(const String& message, const DebugInfo& di)
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{
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if (!m_Hints)
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m_Hints = new Dictionary();
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if (!m_Messages) {
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m_Messages = new Array();
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m_Hints->Set("messages", m_Messages);
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}
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Array::Ptr amsg = new Array();
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amsg->Add(message);
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amsg->Add(di.Path);
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amsg->Add(di.FirstLine);
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amsg->Add(di.FirstColumn);
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amsg->Add(di.LastLine);
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amsg->Add(di.LastColumn);
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m_Messages->Add(amsg);
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}
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inline DebugHint GetChild(const String& name)
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{
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if (!m_Hints)
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m_Hints = new Dictionary();
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if (!m_Children) {
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m_Children = new Dictionary;
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m_Hints->Set("properties", m_Children);
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}
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Dictionary::Ptr child = m_Children->Get(name);
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if (!child) {
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child = new Dictionary();
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m_Children->Set(name, child);
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}
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return DebugHint(child);
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}
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Dictionary::Ptr ToDictionary(void) const
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{
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return m_Hints;
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}
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private:
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Dictionary::Ptr m_Hints;
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Array::Ptr m_Messages;
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Dictionary::Ptr m_Children;
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};
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enum CombinedSetOp
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{
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OpSetLiteral,
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OpSetAdd,
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OpSetSubtract,
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OpSetMultiply,
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OpSetDivide
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};
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class InterruptExecutionError : virtual public std::exception, virtual public boost::exception
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{
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public:
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InterruptExecutionError(const Value& result)
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: m_Result(result)
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{ }
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~InterruptExecutionError(void) throw()
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{ }
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Value GetResult(void) const
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{
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return m_Result;
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}
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private:
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Value m_Result;
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};
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typedef std::map<String, String> DefinitionMap;
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/**
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* @ingroup config
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*/
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class I2_CONFIG_API Expression
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{
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public:
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virtual ~Expression(void);
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Value Evaluate(VMFrame& frame, DebugHint *dhint = NULL) const;
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const = 0;
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virtual const DebugInfo& GetDebugInfo(void) const;
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};
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I2_CONFIG_API std::vector<Expression *> MakeIndexer(const String& index1);
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class I2_CONFIG_API OwnedExpression : public Expression
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{
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public:
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OwnedExpression(const boost::shared_ptr<Expression>& expression)
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: m_Expression(expression)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const
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{
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return m_Expression->DoEvaluate(frame, dhint);
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}
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virtual const DebugInfo& GetDebugInfo(void) const
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{
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return m_Expression->GetDebugInfo();
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}
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private:
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boost::shared_ptr<Expression> m_Expression;
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};
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class I2_CONFIG_API LiteralExpression : public Expression
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{
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public:
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LiteralExpression(const Value& value = Value());
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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private:
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Value m_Value;
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};
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inline LiteralExpression *MakeLiteral(const Value& literal = Value())
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{
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return new LiteralExpression(literal);
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}
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class I2_CONFIG_API DebuggableExpression : public Expression
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{
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public:
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DebuggableExpression(const DebugInfo& debugInfo = DebugInfo())
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: m_DebugInfo(debugInfo)
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{ }
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protected:
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virtual const DebugInfo& GetDebugInfo(void) const;
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DebugInfo m_DebugInfo;
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};
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class I2_CONFIG_API UnaryExpression : public DebuggableExpression
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{
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public:
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UnaryExpression(Expression *operand, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Operand(operand)
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{ }
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~UnaryExpression(void)
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{
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delete m_Operand;
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}
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protected:
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Expression *m_Operand;
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};
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class I2_CONFIG_API BinaryExpression : public DebuggableExpression
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{
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public:
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BinaryExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Operand1(operand1), m_Operand2(operand2)
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{ }
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~BinaryExpression(void)
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{
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delete m_Operand1;
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delete m_Operand2;
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}
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protected:
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Expression *m_Operand1;
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Expression *m_Operand2;
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};
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class I2_CONFIG_API VariableExpression : public DebuggableExpression
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{
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public:
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VariableExpression(const String& variable, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Variable(variable)
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{ }
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String GetVariable(void) const
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{
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return m_Variable;
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}
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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private:
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String m_Variable;
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};
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class I2_CONFIG_API NegateExpression : public UnaryExpression
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{
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public:
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NegateExpression(Expression *operand, const DebugInfo& debugInfo = DebugInfo())
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: UnaryExpression(operand, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API LogicalNegateExpression : public UnaryExpression
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{
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public:
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LogicalNegateExpression(Expression *operand, const DebugInfo& debugInfo = DebugInfo())
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: UnaryExpression(operand, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API AddExpression : public BinaryExpression
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{
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public:
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AddExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API SubtractExpression : public BinaryExpression
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{
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public:
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SubtractExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API MultiplyExpression : public BinaryExpression
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{
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public:
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MultiplyExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API DivideExpression : public BinaryExpression
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{
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public:
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DivideExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API BinaryAndExpression : public BinaryExpression
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{
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public:
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BinaryAndExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API BinaryOrExpression : public BinaryExpression
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{
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public:
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BinaryOrExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API ShiftLeftExpression : public BinaryExpression
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{
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public:
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ShiftLeftExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API ShiftRightExpression : public BinaryExpression
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{
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public:
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ShiftRightExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API EqualExpression : public BinaryExpression
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{
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public:
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EqualExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API NotEqualExpression : public BinaryExpression
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{
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public:
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NotEqualExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API LessThanExpression : public BinaryExpression
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{
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public:
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LessThanExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API GreaterThanExpression : public BinaryExpression
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{
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public:
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GreaterThanExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API LessThanOrEqualExpression : public BinaryExpression
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{
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public:
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LessThanOrEqualExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API GreaterThanOrEqualExpression : public BinaryExpression
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{
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public:
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GreaterThanOrEqualExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API InExpression : public BinaryExpression
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{
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public:
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InExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API NotInExpression : public BinaryExpression
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{
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public:
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NotInExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API LogicalAndExpression : public BinaryExpression
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{
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public:
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LogicalAndExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API LogicalOrExpression : public BinaryExpression
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{
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public:
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LogicalOrExpression(Expression *operand1, Expression *operand2, const DebugInfo& debugInfo = DebugInfo())
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: BinaryExpression(operand1, operand2, debugInfo)
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{ }
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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};
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class I2_CONFIG_API FunctionCallExpression : public DebuggableExpression
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{
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public:
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FunctionCallExpression(Expression *fname, const std::vector<Expression *>& args, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_FName(fname), m_Args(args)
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{ }
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~FunctionCallExpression(void)
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{
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delete m_FName;
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BOOST_FOREACH(Expression *expr, m_Args)
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delete expr;
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}
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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public:
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Expression *m_FName;
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std::vector<Expression *> m_Args;
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};
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class I2_CONFIG_API ArrayExpression : public DebuggableExpression
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{
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public:
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ArrayExpression(const std::vector<Expression *>& expressions, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Expressions(expressions)
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{ }
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~ArrayExpression(void)
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{
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BOOST_FOREACH(Expression *expr, m_Expressions)
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delete expr;
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}
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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private:
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std::vector<Expression *> m_Expressions;
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};
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class I2_CONFIG_API DictExpression : public DebuggableExpression
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{
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public:
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DictExpression(const std::vector<Expression *>& expressions = std::vector<Expression *>(), const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Expressions(expressions), m_Inline(false)
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{ }
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~DictExpression(void)
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{
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BOOST_FOREACH(Expression *expr, m_Expressions)
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delete expr;
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}
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void MakeInline(void);
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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private:
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std::vector<Expression *> m_Expressions;
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bool m_Inline;
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};
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class I2_CONFIG_API SetExpression : public DebuggableExpression
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{
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public:
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SetExpression(const std::vector<Expression *>& indexer, CombinedSetOp op, Expression *operand2, bool local, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Op(op), m_Indexer(indexer), m_Operand2(operand2), m_Local(local)
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{ }
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~SetExpression(void)
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{
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BOOST_FOREACH(Expression *expr, m_Indexer)
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delete expr;
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delete m_Operand2;
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}
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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private:
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CombinedSetOp m_Op;
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std::vector<Expression *> m_Indexer;
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Expression *m_Operand2;
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bool m_Local;
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};
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class I2_CONFIG_API ConditionalExpression : public DebuggableExpression
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{
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public:
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ConditionalExpression(Expression *condition, Expression *true_branch, Expression *false_branch, const DebugInfo& debugInfo = DebugInfo())
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: DebuggableExpression(debugInfo), m_Condition(condition), m_TrueBranch(true_branch), m_FalseBranch(false_branch)
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{ }
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~ConditionalExpression(void)
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{
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delete m_Condition;
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delete m_TrueBranch;
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delete m_FalseBranch;
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}
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protected:
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virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
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private:
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Expression *m_Condition;
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Expression *m_TrueBranch;
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Expression *m_FalseBranch;
|
|
};
|
|
|
|
class I2_CONFIG_API ReturnExpression : public UnaryExpression
|
|
{
|
|
public:
|
|
ReturnExpression(Expression *expression, const DebugInfo& debugInfo = DebugInfo())
|
|
: UnaryExpression(expression, debugInfo)
|
|
{ }
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
};
|
|
|
|
class I2_CONFIG_API IndexerExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
IndexerExpression(const std::vector<Expression *>& indexer, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_Indexer(indexer)
|
|
{ }
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
std::vector<Expression *> m_Indexer;
|
|
};
|
|
|
|
class I2_CONFIG_API ImportExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
ImportExpression(Expression *name, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_Name(name)
|
|
{ }
|
|
|
|
~ImportExpression(void)
|
|
{
|
|
delete m_Name;
|
|
}
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
Expression *m_Name;
|
|
};
|
|
|
|
class I2_CONFIG_API FunctionExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
FunctionExpression(const String& name, const std::vector<String>& args,
|
|
std::map<String, Expression *> *closedVars, Expression *expression, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_Name(name), m_Args(args), m_ClosedVars(closedVars), m_Expression(expression)
|
|
{ }
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
String m_Name;
|
|
std::vector<String> m_Args;
|
|
std::map<String, Expression *> *m_ClosedVars;
|
|
boost::shared_ptr<Expression> m_Expression;
|
|
};
|
|
|
|
class I2_CONFIG_API SlotExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
SlotExpression(const String& signal, Expression *slot, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_Signal(signal), m_Slot(slot)
|
|
{ }
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
String m_Signal;
|
|
Expression *m_Slot;
|
|
};
|
|
|
|
class I2_CONFIG_API ApplyExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
ApplyExpression(const String& type, const String& target, Expression *name,
|
|
Expression *filter, const String& fkvar, const String& fvvar,
|
|
Expression *fterm, std::map<String, Expression *> *closedVars,
|
|
Expression *expression, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_Type(type), m_Target(target),
|
|
m_Name(name), m_Filter(filter), m_FKVar(fkvar), m_FVVar(fvvar),
|
|
m_FTerm(fterm), m_ClosedVars(closedVars), m_Expression(expression)
|
|
{ }
|
|
|
|
~ApplyExpression(void)
|
|
{
|
|
delete m_Name;
|
|
}
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
String m_Type;
|
|
String m_Target;
|
|
Expression *m_Name;
|
|
boost::shared_ptr<Expression> m_Filter;
|
|
String m_FKVar;
|
|
String m_FVVar;
|
|
boost::shared_ptr<Expression> m_FTerm;
|
|
std::map<String, Expression *> *m_ClosedVars;
|
|
boost::shared_ptr<Expression> m_Expression;
|
|
};
|
|
|
|
class I2_CONFIG_API ObjectExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
ObjectExpression(bool abstract, const String& type, Expression *name, Expression *filter,
|
|
const String& zone, std::map<String, Expression *> *closedVars,
|
|
Expression *expression, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_Abstract(abstract), m_Type(type),
|
|
m_Name(name), m_Filter(filter), m_Zone(zone), m_ClosedVars(closedVars), m_Expression(expression)
|
|
{ }
|
|
|
|
~ObjectExpression(void)
|
|
{
|
|
delete m_Name;
|
|
}
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
bool m_Abstract;
|
|
String m_Type;
|
|
Expression *m_Name;
|
|
boost::shared_ptr<Expression> m_Filter;
|
|
String m_Zone;
|
|
std::map<String, Expression *> *m_ClosedVars;
|
|
boost::shared_ptr<Expression> m_Expression;
|
|
};
|
|
|
|
class I2_CONFIG_API ForExpression : public DebuggableExpression
|
|
{
|
|
public:
|
|
ForExpression(const String& fkvar, const String& fvvar, Expression *value, Expression *expression, const DebugInfo& debugInfo = DebugInfo())
|
|
: DebuggableExpression(debugInfo), m_FKVar(fkvar), m_FVVar(fvvar), m_Value(value), m_Expression(expression)
|
|
{ }
|
|
|
|
~ForExpression(void)
|
|
{
|
|
delete m_Value;
|
|
delete m_Expression;
|
|
}
|
|
|
|
protected:
|
|
virtual Value DoEvaluate(VMFrame& frame, DebugHint *dhint) const;
|
|
|
|
private:
|
|
String m_FKVar;
|
|
String m_FVVar;
|
|
Expression *m_Value;
|
|
Expression *m_Expression;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* EXPRESSION_H */
|