/****************************************************************************
* *
* * This file is part of GAP , a system for computational discrete algebra .
* *
* * Copyright of GAP belongs to its developers , whose names are too numerous
* * to list here . Please refer to the COPYRIGHT file for details .
* *
* * SPDX - License - Identifier : GPL - 2 . 0 - or - later
* *
* * This file declares the various read - eval - print loops and related stuff .
*/
#ifndef GAP_GAP_H
#define GAP_GAP_H
#include "common.h"
/****************************************************************************
* *
* F UpdateLast ( < newLast > )
* *
* * Updates Last , Last2 and Last3 by the new result ' newLast ' .
*/
void UpdateLast(Obj newLast);
/****************************************************************************
* *
* F UpdateTime ( < startTime > )
* *
* * Updates Time to the difference SyTime ( ) - startTime .
*/
void UpdateTime(UInt startTime);
/****************************************************************************
* *
* F ViewObjHandler . . . . . . . . . handler to view object and catch errors
*/
extern UInt ViewObjGVar;
void ViewObjHandler(Obj obj);
/****************************************************************************
* *
* S MAX_FUNC_EXPR_NESTING_BITS
* S MAX_FUNC_EXPR_NESTING . . . . . . . . . . . . . . . maximal nesting level
* *
* * GAP functions can be nested ; any function ' A ' can contain definition of
* * another function ' B ' , and function ' B ' then has full access to the local
* * variables of ' A ' , including its arguments . As encoding access to such
* * " higher " local variables must be encoded in limited storage , we also
* * limit how deeply functions can be nested .
*/
enum {
MAX_FUNC_EXPR_NESTING_BITS = 10 ,
MAX_FUNC_EXPR_NESTING = 1 << MAX_FUNC_EXPR_NESTING_BITS,
};
/****************************************************************************
* *
* S MAX_FUNC_LVARS_BITS
* S MAX_FUNC_LVARS_MASK
* S MAX_FUNC_LVARS . . . . maximal numbers of local variables in a function
* *
* * Note that function arguments also count as local variables .
*/
enum {
MAX_FUNC_LVARS_BITS = 16 ,
MAX_FUNC_LVARS = 1 << MAX_FUNC_LVARS_BITS,
MAX_FUNC_LVARS_MASK = MAX_FUNC_LVARS - 1 ,
};
/****************************************************************************
* *
* F IsUsingLibGap ( ) . . . . . . . . 1 if GAP is being used a library , else 0
*/
BOOL IsUsingLibGap(void );
/****************************************************************************
* *
* F InitializeGap ( ) . . . . . . . . . . . . . . . . . . . . . initialize GAP
*/
void InitializeGap(void * stackBottom, int argc, const char * argv[], BOOL handleSignals);
/****************************************************************************
* *
* F * * * * * * * * * * * * * initialize module * * * * * * * * * * * * * * *
*/
/****************************************************************************
* *
* F InitInfoGap ( ) . . . . . . . . . . . . . . . . . . table of init functions
*/
StructInitInfo * InitInfoGap(void );
#endif // GAP_GAP_H
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