Quelle gap.h Sprache: C

/****************************************************************************
**
**  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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