104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2016, 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/CBotDefines.h"
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#include "CBot/CBotInstr/CBotInstr.h"
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#include "CBot/CBotVar/CBotVar.h"
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namespace CBot
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{
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/**
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* \brief Expression representing a variable name
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*
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* Verifies that variable is known during compilation
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* Verifies taht variable is initialized during execution
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*/
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class CBotExprVar : public CBotInstr
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{
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public:
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CBotExprVar();
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~CBotExprVar();
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/*!
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* \brief Compile an expression of a variable, possibly chained with index operators and/or dot operators
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* \param p[in, out] Pointer to first token of the expression, will be updated to point to first token after the expression
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* \param pStack Current compilation stack frame
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* \param bCheckReadOnly True for operations that would modify the value of the variable
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* \return
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*/
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static CBotInstr* Compile(CBotToken*& p, CBotCStack* pStack, bool bCheckReadOnly = false);
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/*!
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* \brief CompileMethode
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* \param p
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* \param pStack
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* \return
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*/
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static CBotInstr* CompileMethode(CBotToken* &p, CBotCStack* pStack);
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/*!
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* \brief Execute Execute, making the value of a variable.
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* \param pj
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* \return
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*/
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bool Execute(CBotStack* &pj) override;
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/*!
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* \brief RestoreState
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* \param pj
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* \param bMain
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*/
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void RestoreState(CBotStack* &pj, bool bMain) override;
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/*!
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* \brief ExecuteVar Fetch a variable at runtime.
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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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* \return
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*/
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bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep);
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using CBotInstr::ExecuteVar;
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/*!
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* \brief RestoreStateVar Fetch variable at runtime.
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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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protected:
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virtual const std::string GetDebugName() override { return "CBotExprVar"; }
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virtual std::string GetDebugData() override;
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private:
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long m_nIdent;
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friend class CBotPostIncExpr;
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friend class CBotPreIncExpr;
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};
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} // namespace CBot
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