92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2021, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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.
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* See the 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, see http://gnu.org/licenses
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*/
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#pragma once
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#include "CBot/CBotInstr/CBotInstr.h"
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namespace CBot
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{
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/**
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* \brief Accessing a class field using dot operator - toto.x
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*/
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class CBotFieldExpr : public CBotInstr
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{
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public:
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CBotFieldExpr();
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~CBotFieldExpr();
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/*!
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* \brief SetUniqNum
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* \param num
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*/
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void SetUniqNum(int num);
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/*!
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* \brief ExecuteVar Find a field from the instance at compile.
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* \param pVar
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* \param pile
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* \return
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*/
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bool ExecuteVar(CBotVar* &pVar, CBotCStack* &pile) override;
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/*!
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* \brief ExecuteVar
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* \param pVar
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* \param pile
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* \param prevToken
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* \param bStep
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* \param bExtend
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* \return
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*/
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bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep, bool bExtend) override;
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/*!
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* \brief RestoreStateVar
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* \param pj
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* \param bMain
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*/
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void RestoreStateVar(CBotStack* &pj, bool bMain) override;
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/*!
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* \brief Check if access to a variable is allowed or not depending on public/private/protected setting
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*
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* If this function returns true, the caller is responsible for failing the compilation with ::CBotErrPrivate error.
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* This function doesn't set the error flag itself.
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*
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* \param pStack Current compilation stack frame
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* \param pPrev Class instance which variable to check is part of, or nullptr when compiler inserts 'this.' before
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* \param pVar Variable to check
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* \param bCheckReadOnly True for operations that would modify the value of the variable
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* \return true if pVar is inaccessible in the current context, false if access should be allowed
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*/
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static bool CheckProtectionError(CBotCStack* pStack, CBotVar* pPrev, CBotVar* pVar, bool bCheckReadOnly = false);
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protected:
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virtual const std::string GetDebugName() override { return "CBotFieldExpr"; }
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virtual std::string GetDebugData() override;
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private:
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friend class CBotExpression;
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int m_nIdent;
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};
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} // namespace CBot
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