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/****************************************************************************
**
*W  compiled.h                  GAP source                   Martin Schönert
**
**  This package defines macros and functions that are used by compiled code.
**  Those macros and functions should go into the appropriate packages.
*/

#ifndef GAP_COMPILED_H
#define GAP_COMPILED_H

#ifdef __cplusplus
extern "C" {
#define GAP_IN_EXTERN_C
#endif

#include "ariths.h"
#include "blister.h"
#include "bool.h"
#include "calls.h"
#include "code.h"
#include "compiler.h"
#include "compstat.h"
#include "costab.h"
#include "cyclotom.h"
#include "dt.h"
#include "dteval.h"
#include "error.h"
#include "exprs.h"
#include "finfield.h"
#include "funcs.h"
#include "gap.h"
#include "gapstate.h"
#include "gasman.h"
#include "gvars.h"
#include "integer.h"
#include "intrprtr.h"
#include "io.h"
#include "iostream.h"
#include "listfunc.h"
#include "listoper.h"
#include "lists.h"
#include "macfloat.h"
#include "modules.h"
#include "objcftl.h"
#include "objects.h"
#include "objfgelm.h"
#include "objpcgel.h"
#include "objscoll.h"
#include "opers.h"
#include "permutat.h"
#include "plist.h"
#include "pperm.h"
#include "precord.h"
#include "range.h"
#include "rational.h"
#include "read.h"
#include "records.h"
#include "saveload.h"
#include "scanner.h"
#include "sctable.h"
#include "set.h"
#include "stats.h"
#include "streams.h"
#include "stringobj.h"
#include "sysfiles.h"
#include "system.h"
#include "tietze.h"
#include "trans.h"
#include "vars.h"
#include "vector.h"
#include "weakptr.h"

#ifdef HPCGAP
#include "hpc/aobjects.h"
#endif

extern Obj InfoDecision;


/* types, should go into 'gvars.c' and 'records.c' * * * * * * * * * * * * */

typedef UInt    GVar;

typedef UInt    RNam;


/* checks, should go into 'gap.c'  * * * * * * * * * * * * * * * * * * * * */

#define CHECK_BOUND(obj,name) \
 if ( obj == 0 ) ErrorQuitBound(name);

#define CHECK_FUNC_RESULT(obj) \
 if ( obj == 0 ) ErrorQuitFuncResult();

#define CHECK_INT_SMALL(obj) \
 if ( ! IS_INTOBJ(obj) ) ErrorQuitIntSmall(obj);

#define CHECK_INT_SMALL_POS(obj) \
 if ( ! IS_POS_INTOBJ(obj) ) ErrorQuitIntSmallPos(obj);

#define CHECK_INT_POS(obj) \
 if ( ! IS_POS_INT(obj) ) ErrorQuitIntPos(obj);

#define CHECK_BOOL(obj) \
 if ( obj != True && obj != False ) ErrorQuitBool(obj);

#define CHECK_FUNC(obj) \
 if ( TNUM_OBJ(obj) != T_FUNCTION ) ErrorQuitFunc(obj);

#define CHECK_NR_ARGS(narg,args) \
 if ( narg != LEN_PLIST(args) ) ErrorQuitNrArgs(narg,args);

#define CHECK_NR_AT_LEAST_ARGS(narg,args) \
 if ( narg - 1 > LEN_PLIST(args) ) ErrorQuitNrAtLeastArgs(narg - 1,args);

/* higher variables, should go into 'vars.c' * * * * * * * * * * * * * * * */

#define SWITCH_TO_NEW_FRAME     SWITCH_TO_NEW_LVARS
#define SWITCH_TO_OLD_FRAME     SWITCH_TO_OLD_LVARS


/* objects, should into 'objects.c'  * * * * * * * * * * * * * * * * * * * */

/* there should be a function for C_ELM_POSOBJ */
#define C_ELM_POSOBJ( elm, list, pos ) NOT_READY_YET


#define C_ELM_POSOBJ_NLE( elm, list, pos ) \
    if ( TNUM_OBJ(list) == T_POSOBJ ) { \
        elm = ELM_PLIST( list, pos ); \
    } \
    else { \
        elm = ELMW_LIST( list, pos ); \
    }

#define C_ASS_POSOBJ_INTOBJ( list, pos, elm ) \
    if ( TNUM_OBJ(list) == T_POSOBJ ) { \
        if ( SIZE_OBJ(list)/sizeof(Obj)-1 < pos ) { \
            ResizeBag( list, (pos+1)*sizeof(Obj) ); \
        } \
        SET_ELM_PLIST( list, pos, elm ); \
    } \
    else { \
        ASS_LIST( list, pos, elm ); \
    }

#define C_ASS_POSOBJ( list, pos, elm ) \
    if ( TNUM_OBJ(list) == T_POSOBJ ) { \
        if ( SIZE_OBJ(list)/sizeof(Obj)-1 < pos ) { \
            ResizeBag( list, (pos+1)*sizeof(Obj) ); \
        } \
        SET_ELM_PLIST( list, pos, elm ); \
        CHANGED_BAG(list); \
    } \
    else { \
        ASS_LIST( list, pos, elm ); \
    }



/* lists, should go into 'lists.c' * * * * * * * * * * * * * * * * * * * * */
#define C_LEN_LIST(len,list) \
 len = LENGTH(list);

#define C_LEN_LIST_FPL(len,list) \
 if ( IS_PLIST(list) ) { \
  len = INTOBJ_INT( LEN_PLIST(list) ); \
 } \
 else { \
  len = LENGTH(list); \
 }




#define C_ELM_LIST(elm,list,p) \
 elm = IS_POS_INTOBJ(p) ? ELM_LIST( list, INT_INTOBJ(p) ) : ELMB_LIST(list, p);

#define C_ELM_LIST_NLE(elm,list,p) \
 elm = IS_POS_INTOBJ(p) ? ELMW_LIST( list, INT_INTOBJ(p) ) : ELMB_LIST(list, p);

#define C_ELM_LIST_FPL(elm,list,p) \
 if ( IS_POS_INTOBJ(p) && IS_PLIST(list) ) { \
  if ( INT_INTOBJ(p) <= LEN_PLIST(list) ) { \
   elm = ELM_PLIST( list, INT_INTOBJ(p) ); \
   if ( elm == 0 ) elm = ELM_LIST( list, INT_INTOBJ(p) ); \
  } else elm = ELM_LIST( list, INT_INTOBJ(p) ); \
 } else C_ELM_LIST( elm, list, p )

#define C_ELM_LIST_NLE_FPL(elm,list,p) \
 if ( IS_POS_INTOBJ(p) && IS_PLIST(list) ) { \
  elm = ELM_PLIST( list, INT_INTOBJ(p) ); \
 } else C_ELM_LIST_NLE(elm, list, p)

#define C_ASS_LIST(list,p,rhs) \
  if (IS_POS_INTOBJ(p)) ASS_LIST( list, INT_INTOBJ(p), rhs ); \
  else ASSB_LIST(list, p, rhs);

#define C_ASS_LIST_FPL(list,p,rhs) \
 if ( IS_POS_INTOBJ(p) && TNUM_OBJ(list) == T_PLIST ) { \
  if ( LEN_PLIST(list) < INT_INTOBJ(p) ) { \
   GROW_PLIST( list, (UInt)INT_INTOBJ(p) ); \
   SET_LEN_PLIST( list, INT_INTOBJ(p) ); \
  } \
  SET_ELM_PLIST( list, INT_INTOBJ(p), rhs ); \
  CHANGED_BAG( list ); \
 } \
 else { \
  C_ASS_LIST( list, p, rhs ) \
 }

#define C_ASS_LIST_FPL_INTOBJ(list,p,rhs) \
 if ( IS_POS_INTOBJ(p) && TNUM_OBJ(list) == T_PLIST) { \
  if ( LEN_PLIST(list) < INT_INTOBJ(p) ) { \
   GROW_PLIST( list, (UInt)INT_INTOBJ(p) ); \
   SET_LEN_PLIST( list, INT_INTOBJ(p) ); \
  } \
  SET_ELM_PLIST( list, INT_INTOBJ(p), rhs ); \
 } \
 else { \
  C_ASS_LIST( list, p, rhs ) \
 }

#define C_ISB_LIST( list, pos) \
  ((IS_POS_INTOBJ(pos) ? ISB_LIST(list, INT_INTOBJ(pos)) : ISBB_LIST( list, pos)) ? True : False)

#define C_UNB_LIST( list, pos) \
   if (IS_POS_INTOBJ(pos)) UNB_LIST(list, INT_INTOBJ(pos)); else UNBB_LIST(list, pos);

#define C_ADD_LIST(list,obj) \
 AddList( list, obj );

#define C_ADD_LIST_FPL(list,obj) \
 if ( TNUM_OBJ(list) == T_PLIST) { \
  AddPlist( list, obj ); \
 } \
 else { \
  AddList( list, obj ); \
 }

#define GF_ITERATOR     ITERATOR
#define GF_IS_DONE_ITER IS_DONE_ITER
#define GF_NEXT_ITER    NEXT_ITER

extern  Obj             GF_ITERATOR;
extern  Obj             GF_IS_DONE_ITER;
extern  Obj             GF_NEXT_ITER;



/* More or less all of this will get inlined away */

/* Allocate a bag suitable for a size-byte integer of type type. 
   The allocation may need to be bigger than size bytes 
   due to limb size or other aspects of the representation */

static inline  Obj C_MAKE_INTEGER_BAG( UInt size, UInt type)  {
  /* Round size up to nearest multiple of INTEGER_UNIT_SIZE */
  return NewBag(type,INTEGER_UNIT_SIZE*
                ((size + INTEGER_UNIT_SIZE-1)/INTEGER_UNIT_SIZE));
}


static inline void C_SET_LIMB4(Obj bag, UInt limbnumber, UInt4 value)  {

#if INTEGER_UNIT_SIZE == 4
  ((UInt4 *)ADDR_OBJ(bag))[limbnumber] = value;
#elif INTEGER_UNIT_SIZE == 8
  UInt8 *p;
  if (limbnumber % 2) {
    p = ((UInt8*)ADDR_OBJ(bag)) + (limbnumber-1) / 2;
    *p = (*p & 0xFFFFFFFFUL) | ((UInt8)value << 32);
  } else {
    p = ((UInt8 *)ADDR_OBJ(bag)) + limbnumber / 2;
    *p = (*p & 0xFFFFFFFF00000000UL) | (UInt8)value;
  }
#else
   #error unsupported INTEGER_UNIT_SIZE
#endif  
}



static inline void C_SET_LIMB8(Obj bag, UInt limbnumber, UInt8 value)  { 
#if INTEGER_UNIT_SIZE == 8
  ((UInt8 *)ADDR_OBJ(bag))[limbnumber] = value;
#elif INTEGER_UNIT_SIZE == 4
  ((UInt4 *)ADDR_OBJ(bag))[2*limbnumber] = (UInt4)(value & 0xFFFFFFFFUL);
  ((UInt4 *)ADDR_OBJ(bag))[2*limbnumber+1] = (UInt4)(value >>32);
#else
   #error unsupported INTEGER_UNIT_SIZE
#endif
}

/* C_MAKE_MED_INT handles numbers between 2^28 and 2^60 in magnitude,
   and is used in code compiled on 64 bit systems. If the target system
   is 64 bit an immediate integer is constructed. If the target is 32 bits then
   an 8-byte large integer is constructed using the representation-neutral 
   macros above 

   C_NORMALIZE_64BIT is called when a large integer has been
   constructed (because the literal was large on the compiling system)
   and might be small on the target system. */

 
#ifdef SYS_IS_64_BIT 
static inline Obj C_MAKE_MED_INT( Int8 value ) {
  return INTOBJ_INT(value);
}

static inline Obj C_NORMALIZE_64BIT(Obj o) {
  return GMP_REDUCE(o);
}


#else
static inline Obj C_MAKE_MED_INT( Int8 value )
{
    return ObjInt_Int8(value);
}

static inline Obj C_NORMALIZE_64BIT( Obj o) {
  return o;
}

#endif

#ifdef __cplusplus
}
#undef GAP_IN_EXTERN_C
#endif
    
#endif // GAP_COMPILED_H