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|
/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
////////////////////////////////////////////////////////////////////
/**
* \file CBot.h
* \brief Interpreter of the language CBot for COLOBOT game
*/
#pragma once
#include "resource.h"
#include "CBotDll.h" // public definitions
#include "CBotToken.h" // token management
#define STACKRUN true /// \def return execution directly on a suspended routine
#define STACKMEM true /// \def preserve memory for the execution stack
#define MAXSTACK 990 /// \def stack size reserved
#define EOX (reinterpret_cast<CBotStack*>(-1)) /// \def tag special condition
/////////////////////////////////////////////////////////////////////
// forward declaration
class CBotCompExpr; // an expression like
// () <= ()
class CBotAddExpr; // an expression like
// () + ()
class CBotParExpr; // basic type or instruction in parenthesis
// Toto.truc
// 12.5
// "string"
// ( expression )
class CBotExprVar; // a variable name as
// Toto
// chose.truc.machin
class CBotWhile; // while (...) {...};
class CBotIf; // if (...) {...} else {...}
class CBotDefParam; // paramerer list of a function
////////////////////////////////////////////////////////////////////////
// Management of the execution stack
////////////////////////////////////////////////////////////////////////
// actually, externally, the only thing it can do
// is to create an instance of a stack
// to use for routine CBotProgram :: Execute (CBotStack)
/**\class CBotStack
* \brief Management of the execution stack.
* \brief Actually the only thing it can do is to create an instance of a stack
* \brief to use for routine CBotProgram :: Execute(CBotStack)*/
class CBotStack
{
public:
#if STACKMEM
/**
* \brief FirstStack Allocate first stack
* \return pointer to created stack
*/
static CBotStack * FirstStack();
/** \brief Delete Remove current stack */
void Delete();
#endif
/**
* \brief CBotStack Constructor of the stack
* \param ppapa Not used.
*/
CBotStack(CBotStack* ppapa);
/** \brief ~CBotStack Destructor */
~CBotStack();
/**
* \brief StackOver Check if end of stack is reached
* \return true if end of stack
*/
bool StackOver();
/**
* \brief GetError Get error number of the stack
* \param [out] start beginning of the stack
* \param [out] end end of stack
* \return error number
*/
int GetError(int& start, int& end);
/**
* \brief GetError Get error number
* \return eror number
*/
int GetError();// rend le numéro d'erreur retourné
/**
* \brief Reset Reset error at and set user
* \param [in] pUser User of stack
*/
void Reset(void* pUser);
/**
* \brief SetType Determines the type.
* \param type Type of instruction on the stack.
*/
void SetType(CBotTypResult& type);
/**
* \brief GetType Get the type of value on the stack.
* \param [in] mode Used when getting class type (1 gives pointer, 2 gives intrinsic).
* \return Type number.
*/
int GetType(int mode = 0);
/**
* \brief Getes the type of complete value on the stack.
* \param [in] mode Used when getting class type (1 gives pointer, 2 gives intrinsic).
* \return Type of an element.
*/
CBotTypResult GetTypResult(int mode = 0);
/**
* \brief Adds a local variable.
* \param [in] p Variable to be added.
*/
void AddVar(CBotVar* p);
/**
* \brief Fetch a variable by its token.
* \brief This may be a composite variable
* \param [in] pToken Token upon which search is performed
* \param [in] bUpdate Not used. Probably need to be removed
* \param [in] bModif Not used. Probably need to be removed
* \return Found variable
*/
CBotVar* FindVar(CBotToken* &pToken, bool bUpdate = false,
bool bModif = false);
/**
* \brief Fetch a variable by its token.
* \brief This may be a composite variable
* \param [in] pToken Token upon which search is performed
* \param [in] bUpdate Not used. Probably need to be removed
* \param [in] bModif Not used. Probably need to be removed
* \return Found variable
*/
CBotVar* FindVar(CBotToken& Token, bool bUpdate = false,
bool bModif = false);
/**
* \brief Fetch variable by its name
* \param [in] name Name of variable to find
* \return Found variable
*/
CBotVar* FindVar(const char* name);
/**
* \brief Fetch a variable on the stack according to its identification number
* \brief This is faster than comparing names
* \param [in] ident Identifier of a variable
* \param [in] bUpdate Not used. Probably need to be removed
* \param [in] bModif Not used. Probably need to be removed
* \return Found variable
*/
CBotVar* FindVar(long ident, bool bUpdate = false,
bool bModif = false);
/**
* \brief Find variable by its token and returns a copy of it.
* \param Token Token upon which search is performed
* \param bUpdate Not used.
* \return Found variable, NULL if not found
*/
CBotVar* CopyVar(CBotToken& Token, bool bUpdate = false);
CBotStack* AddStack(CBotInstr* instr = NULL, bool bBlock = false); // extends the stack
CBotStack* AddStackEOX(CBotCall* instr = NULL, bool bBlock = false); // extends the stack
CBotStack* RestoreStack(CBotInstr* instr = NULL);
CBotStack* RestoreStackEOX(CBotCall* instr = NULL);
CBotStack* AddStack2(bool bBlock = false); // extends the stack
bool Return(CBotStack* pFils); // transmits the result over
bool ReturnKeep(CBotStack* pFils); // transmits the result without reducing the stack
bool BreakReturn(CBotStack* pfils, const char* name = NULL);
// in case of eventual break
bool IfContinue(int state, const char* name);
// or "continue"
bool IsOk();
bool SetState(int n, int lim = -10); // select a state
int GetState(); // in what state am I?
bool IncState(int lim = -10); // passes to the next state
bool IfStep(); // do step by step
bool Execute();
void SetVar( CBotVar* var );
void SetCopyVar( CBotVar* var );
CBotVar* GetVar();
CBotVar* GetCopyVar();
CBotVar* GetPtVar();
bool GetRetVar(bool bRet);
long GetVal();
void SetStartError(int pos);
void SetError(int n, CBotToken* token = NULL);
void SetPosError(CBotToken* token);
void ResetError(int n, int start, int end);
void SetBreak(int val, const char* name);
void SetBotCall(CBotProgram* p);
CBotProgram* GetBotCall(bool bFirst = false);
void* GetPUser();
bool GetBlock();
bool ExecuteCall(long& nIdent, CBotToken* token, CBotVar** ppVar, CBotTypResult& rettype);
void RestoreCall(long& nIdent, CBotToken* token, CBotVar** ppVar);
bool SaveState(FILE* pf);
bool RestoreState(FILE* pf, CBotStack* &pStack);
static
void SetTimer(int n);
void GetRunPos(const char* &FunctionName, int &start, int &end);
CBotVar* GetStackVars(const char* &FunctionName, int level);
int m_temp;
private:
CBotStack* m_next;
CBotStack* m_next2;
CBotStack* m_prev;
friend class CBotInstArray;
#ifdef _DEBUG
int m_index;
#endif
int m_state;
int m_step;
static int m_error;
static int m_start;
static int m_end;
static
CBotVar* m_retvar; // result of a return
CBotVar* m_var; // result of the operations
CBotVar* m_listVar; // variables declared at this level
bool m_bBlock; // is part of a block (variables are local to this block)
bool m_bOver; // stack limits?
// bool m_bDontDelete; // special, not to destroy the variable during delete
CBotProgram* m_prog; // user-defined functions
static
int m_initimer;
static
int m_timer;
static
CBotString m_labelBreak;
static
void* m_pUser;
CBotInstr* m_instr; // the corresponding instruction
bool m_bFunc; // an input of a function?
CBotCall* m_call; // recovery point in a extern call
friend class CBotTry;
};
// inline routinees must be declared in file.h
inline bool CBotStack::IsOk()
{
return (m_error == 0);
}
inline int CBotStack::GetState()
{
return m_state;
}
inline int CBotStack::GetError()
{
return m_error;
}
////////////////////////////////////////////////////////////////////////
// Management of the stack of compilation
////////////////////////////////////////////////////////////////////////
class CBotCStack
{
private:
CBotCStack* m_next;
CBotCStack* m_prev;
static int m_error;
static int m_end;
int m_start;
CBotVar* m_var; // result of the operations
bool m_bBlock; // is part of a block (variables are local to this block)
CBotVar* m_listVar;
static
CBotProgram* m_prog; // list of compiled functions
static
CBotTypResult m_retTyp;
// static
// CBotToken* m_retClass;
public:
CBotCStack(CBotCStack* ppapa);
~CBotCStack();
bool IsOk();
int GetError();
int GetError(int& start, int& end);
// gives error number
void SetType(CBotTypResult& type);// determines the type
CBotTypResult GetTypResult(int mode = 0); // gives the type of value on the stack
int GetType(int mode = 0); // gives the type of value on the stack
CBotClass* GetClass(); // gives the class of the value on the stack
void AddVar(CBotVar* p); // adds a local variable
CBotVar* FindVar(CBotToken* &p); // finds a variable
CBotVar* FindVar(CBotToken& Token);
bool CheckVarLocal(CBotToken* &pToken);
CBotVar* CopyVar(CBotToken& Token); // finds and makes a copy
CBotCStack* TokenStack(CBotToken* pToken = NULL, bool bBlock = false);
CBotInstr* Return(CBotInstr* p, CBotCStack* pParent); // transmits the result upper
CBotFunction* ReturnFunc(CBotFunction* p, CBotCStack* pParent); // transmits the result upper
void SetVar( CBotVar* var );
void SetCopyVar( CBotVar* var );
CBotVar* GetVar();
void SetStartError(int pos);
void SetError(int n, int pos);
void SetError(int n, CBotToken* p);
void ResetError(int n, int start, int end);
void SetRetType(CBotTypResult& type);
CBotTypResult GetRetType();
// void SetBotCall(CBotFunction* &pFunc);
void SetBotCall(CBotProgram* p);
CBotProgram* GetBotCall();
CBotTypResult CompileCall(CBotToken* &p, CBotVar** ppVars, long& nIdent);
bool CheckCall(CBotToken* &pToken, CBotDefParam* pParam);
bool NextToken(CBotToken* &p);
};
extern bool SaveVar(FILE* pf, CBotVar* pVar);
/////////////////////////////////////////////////////////////////////
// class defining an instruction
class CBotInstr
{
private:
static
CBotStringArray
m_labelLvl;
protected:
CBotToken m_token; // keeps the token
CBotString name; // debug
CBotInstr* m_next; // linked command
CBotInstr* m_next2b; // second list definition chain
CBotInstr* m_next3; // third list for indices and fields
CBotInstr* m_next3b; // necessary for reporting tables
/*
for example, the following program
int x[]; x[1] = 4;
int y[x[1]][10], z;
is generated
CBotInstrArray
m_next3b-> CBotEmpty
m_next->
CBotExpression ....
m_next->
CBotInstrArray
m_next3b-> CBotExpression ('x') ( m_next3-> CBotIndexExpr ('1') )
m_next3b-> CBotExpression ('10')
m_next2-> 'z'
m_next->...
*/
static
int m_LoopLvl;
friend class CBotClassInst;
friend class CBotInt;
friend class CBotListArray;
public:
CBotInstr();
virtual
~CBotInstr();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
static
CBotInstr* CompileArray(CBotToken* &p, CBotCStack* pStack, CBotTypResult type, bool first = true);
virtual
bool Execute(CBotStack* &pj);
virtual
bool Execute(CBotStack* &pj, CBotVar* pVar);
virtual
void RestoreState(CBotStack* &pj, bool bMain);
virtual
bool ExecuteVar(CBotVar* &pVar, CBotCStack* &pile);
virtual
bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep, bool bExtend);
virtual
void RestoreStateVar(CBotStack* &pile, bool bMain);
virtual
bool CompCase(CBotStack* &pj, int val);
void SetToken(CBotToken* p);
int GetTokenType();
CBotToken* GetToken();
void AddNext(CBotInstr* n);
CBotInstr* GetNext();
void AddNext3(CBotInstr* n);
CBotInstr* GetNext3();
void AddNext3b(CBotInstr* n);
CBotInstr* GetNext3b();
static
void IncLvl(CBotString& label);
static
void IncLvl();
static
void DecLvl();
static
bool ChkLvl(const CBotString& label, int type);
bool IsOfClass(CBotString name);
};
class CBotWhile : public CBotInstr
{
private:
CBotInstr* m_Condition; // condition
CBotInstr* m_Block; // instructions
CBotString m_label; // a label if there is
public:
CBotWhile();
~CBotWhile();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotDo : public CBotInstr
{
private:
CBotInstr* m_Block; // instruction
CBotInstr* m_Condition; // conditions
CBotString m_label; // a label if there is
public:
CBotDo();
~CBotDo();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotFor : public CBotInstr
{
private:
CBotInstr* m_Init; // initial intruction
CBotInstr* m_Test; // test condition
CBotInstr* m_Incr; // instruction for increment
CBotInstr* m_Block; // instructions
CBotString m_label; // a label if there is
public:
CBotFor();
~CBotFor();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotBreak : public CBotInstr
{
private:
CBotString m_label; // a label if there is
public:
CBotBreak();
~CBotBreak();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotReturn : public CBotInstr
{
private:
CBotInstr* m_Instr; // paramter of return
public:
CBotReturn();
~CBotReturn();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotSwitch : public CBotInstr
{
private:
CBotInstr* m_Value; // value to seek
CBotInstr* m_Block; // instructions
public:
CBotSwitch();
~CBotSwitch();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotCase : public CBotInstr
{
private:
CBotInstr* m_Value; // value to compare
public:
CBotCase();
~CBotCase();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
bool CompCase(CBotStack* &pj, int val);
};
class CBotCatch : public CBotInstr
{
private:
CBotInstr* m_Block; // instructions
CBotInstr* m_Cond; //condition
CBotCatch* m_next; //following catch
friend class CBotTry;
public:
CBotCatch();
~CBotCatch();
static
CBotCatch* Compile(CBotToken* &p, CBotCStack* pStack);
bool TestCatch(CBotStack* &pj, int val);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
void RestoreCondState(CBotStack* &pj, bool bMain);
};
class CBotTry : public CBotInstr
{
private:
CBotInstr* m_Block; // instructions
CBotCatch* m_ListCatch; // catches
CBotInstr* m_FinalInst; // final instruction
public:
CBotTry();
~CBotTry();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotThrow : public CBotInstr
{
private:
CBotInstr* m_Value; // the value to send
public:
CBotThrow();
~CBotThrow();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotStartDebugDD : public CBotInstr
{
private:
public:
CBotStartDebugDD();
~CBotStartDebugDD();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
};
class CBotIf : public CBotInstr
{
private:
CBotInstr* m_Condition; // condition
CBotInstr* m_Block; // instructions
CBotInstr* m_BlockElse; // instructions
public:
CBotIf();
~CBotIf();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// definition of an integer
class CBotInt : public CBotInstr
{
private:
CBotInstr* m_var; // the variable to initialize
CBotInstr* m_expr; // a value to put, if there is
/// CBotInstr* m_next; // several definitions chained
public:
CBotInt();
~CBotInt();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, bool cont = false, bool noskip = false);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// definition of an array
class CBotInstArray : public CBotInstr
{
private:
CBotInstr* m_var; // the variables to initialize
CBotInstr* m_listass; // list of assignments for array
CBotTypResult
m_typevar; // type of elements
// CBotString m_ClassName;
public:
CBotInstArray();
~CBotInstArray();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, CBotTypResult type);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// definition of a assignment list for a table
// int [ ] a [ ] = ( ( 1, 2, 3 ) , ( 3, 2, 1 ) ) ;
class CBotListArray : public CBotInstr
{
private:
CBotInstr* m_expr; // an expression for an element
// others are linked with CBotInstr :: m_next3;
public:
CBotListArray();
~CBotListArray();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, CBotTypResult type);
bool Execute(CBotStack* &pj, CBotVar* pVar);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotEmpty : public CBotInstr
{
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// defininition of a boolean
class CBotBoolean : public CBotInstr
{
private:
CBotInstr* m_var; // variable to initialise
CBotInstr* m_expr; // a value to put, if there is
public:
CBotBoolean();
~CBotBoolean();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, bool cont = false, bool noskip=false);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// definition of a real number
class CBotFloat : public CBotInstr
{
private:
CBotInstr* m_var; // variable to initialise
CBotInstr* m_expr; // a value to put, if there is
public:
CBotFloat();
~CBotFloat();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, bool cont = false, bool noskip=false);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// definition of an element string
class CBotIString : public CBotInstr
{
private:
CBotInstr* m_var; // variable to initialise
CBotInstr* m_expr; // a value to put, if there is
public:
CBotIString();
~CBotIString();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, bool cont = false, bool noskip=false);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// definition of an element of any class
class CBotClassInst : public CBotInstr
{
private:
CBotInstr* m_var; // variable to initialise
CBotClass* m_pClass; // reference to the class
CBotInstr* m_Parameters; // parameters to be evaluated for the contructor
CBotInstr* m_expr; // a value to put, if there is
bool m_hasParams; // has it parameters?
long m_nMethodeIdent;
public:
CBotClassInst();
~CBotClassInst();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, CBotClass* pClass = NULL);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotCondition : public CBotInstr
{
private:
public:
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
};
// left operand
// accept the expressions that be to the left of assignment
class CBotLeftExpr : public CBotInstr
{
private:
long m_nIdent;
public:
CBotLeftExpr();
~CBotLeftExpr();
static
CBotLeftExpr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pStack, CBotStack* array);
bool ExecuteVar(CBotVar* &pVar, CBotCStack* &pile);
bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep);
void RestoreStateVar(CBotStack* &pile, bool bMain);
};
// management of the fields of an instance
class CBotFieldExpr : public CBotInstr
{
private:
friend class CBotExpression;
int m_nIdent;
public:
CBotFieldExpr();
~CBotFieldExpr();
void SetUniqNum(int num);
// static
// CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool ExecuteVar(CBotVar* &pVar, CBotCStack* &pile);
bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep, bool bExtend);
void RestoreStateVar(CBotStack* &pj, bool bMain);
};
// management of indices of the tables
class CBotIndexExpr : public CBotInstr
{
private:
CBotInstr* m_expr; // expression for calculating the index
friend class CBotLeftExpr;
friend class CBotExprVar;
public:
CBotIndexExpr();
~CBotIndexExpr();
// static
// CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool ExecuteVar(CBotVar* &pVar, CBotCStack* &pile);
bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep, bool bExtend);
void RestoreStateVar(CBotStack* &pj, bool bMain);
};
// expressions like
// x = a;
// x * y + 3;
class CBotExpression : public CBotInstr
{
private:
CBotLeftExpr* m_leftop; // left operand
CBotInstr* m_rightop; // right operant
public:
CBotExpression();
~CBotExpression();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pStack);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotListExpression : public CBotInstr
{
private:
CBotInstr* m_Expr; // the first expression to be evaluated
public:
CBotListExpression();
~CBotListExpression();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pStack);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotLogicExpr : public CBotInstr
{
private:
CBotInstr* m_condition; // test to evaluate
CBotInstr* m_op1; // left element
CBotInstr* m_op2; // right element
friend class CBotTwoOpExpr;
public:
CBotLogicExpr();
~CBotLogicExpr();
// static
// CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pStack);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotBoolExpr : public CBotInstr
{
private:
public:
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
};
// possibly an expression in parentheses ( ... )
// there is never an instance of this class
// being the object returned inside the parenthesis
class CBotParExpr : public CBotInstr
{
private:
public:
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
};
// unary expression
class CBotExprUnaire : public CBotInstr
{
private:
CBotInstr* m_Expr; // expression to be evaluated
public:
CBotExprUnaire();
~CBotExprUnaire();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pStack);
void RestoreState(CBotStack* &pj, bool bMain);
};
// all operations with two operands
class CBotTwoOpExpr : public CBotInstr
{
private:
CBotInstr* m_leftop; // left element
CBotInstr* m_rightop; // right element
public:
CBotTwoOpExpr();
~CBotTwoOpExpr();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, int* pOperations = NULL);
bool Execute(CBotStack* &pStack);
void RestoreState(CBotStack* &pj, bool bMain);
};
// an instruction block { .... }
class CBotBlock : public CBotInstr
{
public:
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, bool bLocal = true);
static
CBotInstr* CompileBlkOrInst(CBotToken* &p, CBotCStack* pStack, bool bLocal = false);
private:
CBotBlock();
CBotBlock(const CBotBlock &);
};
// the content of a block of instructions ... ; ... ; ... ; ... ;
class CBotListInstr : public CBotInstr
{
private:
CBotInstr* m_Instr; // instructions to do
public:
CBotListInstr();
~CBotListInstr();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, bool bLocal = true);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotInstrCall : public CBotInstr
{
private:
CBotInstr* m_Parameters; // the parameters to be evaluated
// int m_typeRes; // type of the result
// CBotString m_RetClassName; // class of the result
CBotTypResult
m_typRes; // complete type of the result
long m_nFuncIdent; // id of a function
public:
CBotInstrCall();
~CBotInstrCall();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// a call of method
class CBotInstrMethode : public CBotInstr
{
private:
CBotInstr* m_Parameters; // the parameters to be evaluated
// int m_typeRes; // type of the result
// CBotString m_RetClassName; // class of the result
CBotTypResult
m_typRes; // complete type of the result
CBotString m_NomMethod; // name of the method
long m_MethodeIdent; // identifier of the method
// long m_nThisIdent; // identifier for "this"
CBotString m_ClassName; // name of the class
public:
CBotInstrMethode();
~CBotInstrMethode();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, CBotVar* pVar);
bool Execute(CBotStack* &pj);
bool ExecuteVar(CBotVar* &pVar, CBotStack* &pj, CBotToken* prevToken, bool bStep, bool bExtend);
void RestoreStateVar(CBotStack* &pj, bool bMain);
};
// expression for the variable name
class CBotExprVar : public CBotInstr
{
private:
long m_nIdent;
friend class CBotPostIncExpr;
friend class CBotPreIncExpr;
public:
CBotExprVar();
~CBotExprVar();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, int privat=PR_PROTECT);
static
CBotInstr* CompileMethode(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
bool ExecuteVar(CBotVar* &pVar, CBotStack* &pile, CBotToken* prevToken, bool bStep);
bool Execute2Var(CBotVar* &pVar, CBotStack* &pj, CBotToken* prevToken, bool bStep);
void RestoreStateVar(CBotStack* &pj, bool bMain);
};
class CBotPostIncExpr : public CBotInstr
{
private:
CBotInstr* m_Instr;
friend class CBotParExpr;
public:
CBotPostIncExpr();
~CBotPostIncExpr();
// static
// CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotPreIncExpr : public CBotInstr
{
private:
CBotInstr* m_Instr;
friend class CBotParExpr;
public:
CBotPreIncExpr();
~CBotPreIncExpr();
// static
// CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotLeftExprVar : public CBotInstr
{
private:
public:
CBotTypResult
m_typevar; // type of variable declared
long m_nIdent; // unique identifier for that variable
public:
CBotLeftExprVar();
~CBotLeftExprVar();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotExprBool : public CBotInstr
{
private:
public:
CBotExprBool();
~CBotExprBool();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotExprNull : public CBotInstr
{
private:
public:
CBotExprNull();
~CBotExprNull();
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotExprNan : public CBotInstr
{
private:
public:
CBotExprNan();
~CBotExprNan();
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
class CBotNew : public CBotInstr
{
private:
CBotInstr* m_Parameters; // the parameters to be evaluated
long m_nMethodeIdent;
// long m_nThisIdent;
CBotToken m_vartoken;
public:
CBotNew();
~CBotNew();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// expression representing a number
class CBotExprNum : public CBotInstr
{
private:
int m_numtype; // et the type of number
long m_valint; // value for an int
float m_valfloat; // value for a float
public:
CBotExprNum();
~CBotExprNum();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
// expression representing a string
class CBotExprAlpha : public CBotInstr
{
private:
public:
CBotExprAlpha();
~CBotExprAlpha();
static
CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
};
#define MAX(a,b) ((a>b) ? a : b)
// class for the management of integer numbers (int)
class CBotVarInt : public CBotVar
{
private:
int m_val; // the value
CBotString m_defnum; // the name if given by DefineNum
friend class CBotVar;
public:
CBotVarInt( const CBotToken* name );
// ~CBotVarInt();
void SetValInt(int val, const char* s = NULL);
void SetValFloat(float val);
int GetValInt();
float GetValFloat();
CBotString GetValString();
void Copy(CBotVar* pSrc, bool bName=true);
void Add(CBotVar* left, CBotVar* right); // addition
void Sub(CBotVar* left, CBotVar* right); // substraction
void Mul(CBotVar* left, CBotVar* right); // multiplication
int Div(CBotVar* left, CBotVar* right); // division
int Modulo(CBotVar* left, CBotVar* right); // remainder of division
void Power(CBotVar* left, CBotVar* right); // power
bool Lo(CBotVar* left, CBotVar* right);
bool Hi(CBotVar* left, CBotVar* right);
bool Ls(CBotVar* left, CBotVar* right);
bool Hs(CBotVar* left, CBotVar* right);
bool Eq(CBotVar* left, CBotVar* right);
bool Ne(CBotVar* left, CBotVar* right);
void XOr(CBotVar* left, CBotVar* right);
void Or(CBotVar* left, CBotVar* right);
void And(CBotVar* left, CBotVar* right);
void SL(CBotVar* left, CBotVar* right);
void SR(CBotVar* left, CBotVar* right);
void ASR(CBotVar* left, CBotVar* right);
void Neg();
void Not();
void Inc();
void Dec();
bool Save0State(FILE* pf);
bool Save1State(FILE* pf);
};
// Class for managing real numbers (float)
class CBotVarFloat : public CBotVar
{
private:
float m_val; // the value
public:
CBotVarFloat( const CBotToken* name );
// ~CBotVarFloat();
void SetValInt(int val, const char* s = NULL);
void SetValFloat(float val);
int GetValInt();
float GetValFloat();
CBotString GetValString();
void Copy(CBotVar* pSrc, bool bName=true);
void Add(CBotVar* left, CBotVar* right); // addition
void Sub(CBotVar* left, CBotVar* right); // substraction
void Mul(CBotVar* left, CBotVar* right); // multiplication
int Div(CBotVar* left, CBotVar* right); // division
int Modulo(CBotVar* left, CBotVar* right); // remainder of division
void Power(CBotVar* left, CBotVar* right); // power
bool Lo(CBotVar* left, CBotVar* right);
bool Hi(CBotVar* left, CBotVar* right);
bool Ls(CBotVar* left, CBotVar* right);
bool Hs(CBotVar* left, CBotVar* right);
bool Eq(CBotVar* left, CBotVar* right);
bool Ne(CBotVar* left, CBotVar* right);
void Neg();
void Inc();
void Dec();
bool Save1State(FILE* pf);
};
// class for management of strings (String)
class CBotVarString : public CBotVar
{
private:
CBotString m_val; // the value
public:
CBotVarString( const CBotToken* name );
// ~CBotVarString();
void SetValString(const char* p);
CBotString GetValString();
void Copy(CBotVar* pSrc, bool bName=true);
void Add(CBotVar* left, CBotVar* right); // addition
bool Lo(CBotVar* left, CBotVar* right);
bool Hi(CBotVar* left, CBotVar* right);
bool Ls(CBotVar* left, CBotVar* right);
bool Hs(CBotVar* left, CBotVar* right);
bool Eq(CBotVar* left, CBotVar* right);
bool Ne(CBotVar* left, CBotVar* right);
bool Save1State(FILE* pf);
};
// class for the management of boolean
class CBotVarBoolean : public CBotVar
{
private:
bool m_val; // the value
public:
CBotVarBoolean( const CBotToken* name );
// ~CBotVarBoolean();
void SetValInt(int val, const char* s = NULL);
void SetValFloat(float val);
int GetValInt();
float GetValFloat();
CBotString GetValString();
void Copy(CBotVar* pSrc, bool bName=true);
void And(CBotVar* left, CBotVar* right);
void Or(CBotVar* left, CBotVar* right);
void XOr(CBotVar* left, CBotVar* right);
void Not();
bool Eq(CBotVar* left, CBotVar* right);
bool Ne(CBotVar* left, CBotVar* right);
bool Save1State(FILE* pf);
};
// class management class instances
class CBotVarClass : public CBotVar
{
private:
static
CBotVarClass* m_ExClass; // list of existing instances at some point
CBotVarClass* m_ExNext; // for this general list
CBotVarClass* m_ExPrev; // for this general list
private:
CBotClass* m_pClass; // the class definition
CBotVarClass* m_pParent; // the instance of a parent class
CBotVar* m_pVar; // contents
friend class CBotVar; // my daddy is a buddy WHAT? :D(\TODO mon papa est un copain )
friend class CBotVarPointer; // and also the pointer
int m_CptUse; // counter usage
long m_ItemIdent; // identifier (unique) of an instance
bool m_bConstructor; // set if a constructor has been called
public:
CBotVarClass( const CBotToken* name, const CBotTypResult& type );
// CBotVarClass( const CBotToken* name, CBotTypResult& type, int &nIdent );
~CBotVarClass();
// void InitCBotVarClass( const CBotToken* name, CBotTypResult& type, int &nIdent );
void Copy(CBotVar* pSrc, bool bName=true);
void SetClass(CBotClass* pClass); //, int &nIdent);
CBotClass* GetClass();
CBotVar* GetItem(const char* name); // return an element of a class according to its name (*)
CBotVar* GetItemRef(int nIdent);
CBotVar* GetItem(int n, bool bExtend);
CBotVar* GetItemList();
CBotString GetValString();
bool Save1State(FILE* pf);
void Maj(void* pUser, bool bContinue);
void IncrementUse(); // a reference to incrementation
void DecrementUse(); // a reference to decrementation
CBotVarClass*
GetPointer();
void SetItemList(CBotVar* pVar);
void SetIdent(long n);
static CBotVarClass* Find(long id);
// CBotVar* GetMyThis();
bool Eq(CBotVar* left, CBotVar* right);
bool Ne(CBotVar* left, CBotVar* right);
void ConstructorSet();
};
// class for the management of pointers to a class instances
class CBotVarPointer : public CBotVar
{
private:
CBotVarClass*
m_pVarClass; // contents
CBotClass* m_pClass; // class provided for this pointer
friend class CBotVar; // my daddy is a buddy
public:
CBotVarPointer( const CBotToken* name, CBotTypResult& type );
~CBotVarPointer();
void Copy(CBotVar* pSrc, bool bName=true);
void SetClass(CBotClass* pClass);
CBotClass* GetClass();
CBotVar* GetItem(const char* name); // return an element of a class according to its name (*)
CBotVar* GetItemRef(int nIdent);
CBotVar* GetItemList();
CBotString GetValString();
void SetPointer(CBotVar* p);
CBotVarClass*
GetPointer();
void SetIdent(long n); // associates an identification number (unique)
long GetIdent(); // gives the identification number associated with
void ConstructorSet();
bool Save1State(FILE* pf);
void Maj(void* pUser, bool bContinue);
bool Eq(CBotVar* left, CBotVar* right);
bool Ne(CBotVar* left, CBotVar* right);
};
// classe pour les tableaux
#define MAXARRAYSIZE 9999
class CBotVarArray : public CBotVar
{
private:
CBotVarClass*
m_pInstance; // instance manager of table
friend class CBotVar; // my daddy is a buddy
public:
CBotVarArray( const CBotToken* name, CBotTypResult& type );
~CBotVarArray();
void SetPointer(CBotVar* p);
CBotVarClass*
GetPointer();
void Copy(CBotVar* pSrc, bool bName=true);
CBotVar* GetItem(int n, bool bGrow=false); // makes an element according to its numeric index
// enlarged the table if necessary if bExtend
// CBotVar* GetItem(const char* name); // makes a element by literal index
CBotVar* GetItemList(); // gives the first item in the list
CBotString GetValString(); // gets the contents of the array into a string
bool Save1State(FILE* pf);
};
extern CBotInstr* CompileParams(CBotToken* &p, CBotCStack* pStack, CBotVar** ppVars);
extern bool TypeCompatible( CBotTypResult& type1, CBotTypResult& type2, int op = 0 );
extern bool TypesCompatibles( const CBotTypResult& type1, const CBotTypResult& type2 );
extern bool WriteWord(FILE* pf, unsigned short w);
extern bool ReadWord(FILE* pf, unsigned short& w);
extern bool ReadLong(FILE* pf, long& w);
extern bool WriteFloat(FILE* pf, float w);
extern bool WriteLong(FILE* pf, long w);
extern bool ReadFloat(FILE* pf, float& w);
extern bool WriteString(FILE* pf, CBotString s);
extern bool ReadString(FILE* pf, CBotString& s);
extern bool WriteType(FILE* pf, CBotTypResult type);
extern bool ReadType(FILE* pf, CBotTypResult& type);
extern float GetNumFloat( const char* p );
#if false
extern void DEBUG( const char* text, int val, CBotStack* pile );
#endif
///////////////////////////////////////////
// class for routine calls (external)
class CBotCall
{
private:
static
CBotCall* m_ListCalls;
static
void* m_pUser;
long m_nFuncIdent;
private:
CBotString m_name;
bool (*m_rExec) (CBotVar* pVar, CBotVar* pResult, int& Exception, void* pUser) ;
CBotTypResult
(*m_rComp) (CBotVar* &pVar, void* pUser) ;
CBotCall* m_next;
public:
CBotCall(const char* name,
bool rExec (CBotVar* pVar, CBotVar* pResult, int& Exception, void* pUser),
CBotTypResult rCompile (CBotVar* &pVar, void* pUser));
~CBotCall();
static
bool AddFunction(const char* name,
bool rExec (CBotVar* pVar, CBotVar* pResult, int& Exception, void* pUser),
CBotTypResult rCompile (CBotVar* &pVar, void* pUser));
static
CBotTypResult
CompileCall(CBotToken* &p, CBotVar** ppVars, CBotCStack* pStack, long& nIdent);
static
bool CheckCall(const char* name);
// static
// int DoCall(CBotToken* &p, CBotVar** ppVars, CBotStack* pStack, CBotTypResult& rettype);
static
int DoCall(long& nIdent, CBotToken* token, CBotVar** ppVars, CBotStack* pStack, CBotTypResult& rettype);
#if STACKRUN
bool Run(CBotStack* pStack);
static
bool RestoreCall(long& nIdent, CBotToken* token, CBotVar** ppVar, CBotStack* pStack);
#endif
CBotString GetName();
CBotCall* Next();
static void SetPUser(void* pUser);
static void Free();
};
// class managing the methods declared by AddFunction on a class
class CBotCallMethode
{
private:
CBotString m_name;
bool (*m_rExec) (CBotVar* pThis, CBotVar* pVar, CBotVar* pResult, int& Exception);
CBotTypResult
(*m_rComp) (CBotVar* pThis, CBotVar* &pVar);
CBotCallMethode* m_next;
friend class CBotClass;
long m_nFuncIdent;
public:
CBotCallMethode(const char* name,
bool rExec (CBotVar* pThis, CBotVar* pVar, CBotVar* pResult, int& Exception),
CBotTypResult rCompile (CBotVar* pThis, CBotVar* &pVar));
~CBotCallMethode();
CBotTypResult
CompileCall(const char* name, CBotVar* pThis,
CBotVar** ppVars, CBotCStack* pStack,
long& nIdent);
int DoCall(long& nIdent, const char* name, CBotVar* pThis, CBotVar** ppVars, CBotVar* &pResult, CBotStack* pStack, CBotToken* pFunc);
CBotString GetName();
CBotCallMethode* Next();
void AddNext(CBotCallMethode* p);
};
// a list of parameters
class CBotDefParam
{
private:
CBotToken m_token; // name of the parameter
CBotString m_typename; // type name
CBotTypResult m_type; // type of paramteter
CBotDefParam* m_next; // next parameter
long m_nIdent;
public:
CBotDefParam();
~CBotDefParam();
static
CBotDefParam* Compile(CBotToken* &p, CBotCStack* pStack);
bool Execute(CBotVar** ppVars, CBotStack* &pj);
void RestoreState(CBotStack* &pj, bool bMain);
void AddNext(CBotDefParam* p);
int GetType();
CBotTypResult GetTypResult();
CBotDefParam* GetNext();
CBotString GetParamString();
};
// a function declaration
class CBotFunction : CBotInstr
{
private:
// management of list of (static) public functions
static
CBotFunction* m_listPublic;
CBotFunction* m_nextpublic;
CBotFunction* m_prevpublic;
friend class CBotCStack;
// long m_nThisIdent;
long m_nFuncIdent;
bool m_bSynchro; // synchronized method?
private:
CBotDefParam* m_Param; // parameter list
CBotInstr* m_Block; // the instruction block
CBotFunction* m_next;
CBotToken m_retToken; // if returns CBotTypClass
CBotTypResult m_retTyp; // complete type of the result
bool m_bPublic; // public function
bool m_bExtern; // extern function
CBotString m_MasterClass; // name of the class we derive
CBotProgram* m_pProg;
friend class CBotProgram;
friend class CBotClass;
CBotToken m_extern; // for the position of the word "extern"
CBotToken m_openpar;
CBotToken m_closepar;
CBotToken m_openblk;
CBotToken m_closeblk;
public:
CBotFunction();
~CBotFunction();
static
CBotFunction* Compile(CBotToken* &p, CBotCStack* pStack, CBotFunction* pFunc, bool bLocal = true);
static
CBotFunction* Compile1(CBotToken* &p, CBotCStack* pStack, CBotClass* pClass);
bool Execute(CBotVar** ppVars, CBotStack* &pj, CBotVar* pInstance = NULL);
void RestoreState(CBotVar** ppVars, CBotStack* &pj, CBotVar* pInstance = NULL);
void AddNext(CBotFunction* p);
CBotTypResult CompileCall(const char* name, CBotVar** ppVars, long& nIdent);
CBotFunction* FindLocalOrPublic(long& nIdent, const char* name, CBotVar** ppVars, CBotTypResult& TypeOrError, bool bPublic = true);
int DoCall(long& nIdent, const char* name, CBotVar** ppVars, CBotStack* pStack, CBotToken* pToken);
void RestoreCall(long& nIdent, const char* name, CBotVar** ppVars, CBotStack* pStack);
int DoCall(long& nIdent, const char* name, CBotVar* pThis, CBotVar** ppVars, CBotStack* pStack, CBotToken* pToken, CBotClass* pClass);
void RestoreCall(long& nIdent, const char* name, CBotVar* pThis, CBotVar** ppVars, CBotStack* pStack, CBotClass* pClass);
bool CheckParam(CBotDefParam* pParam);
static
void AddPublic(CBotFunction* pfunc);
CBotString GetName();
CBotString GetParams();
bool IsPublic();
bool IsExtern();
CBotFunction* Next();
bool GetPosition(int& start, int& stop, CBotGet modestart, CBotGet modestop);
};
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