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ring_vmstackvars.c
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557 lines (541 loc) · 21.2 KB
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/* Copyright (c) 2013-2018 Mahmoud Fayed <[email protected]> */
#include "ring.h"
/* Stack and Variables */
void ring_vm_pushv ( VM *pVM )
{
List *pVar ;
List *pList ;
if ( pVM->nSP <= pVM->nFuncSP ) {
/* Happens after using EVAL() in this case we avoid PUSHV */
return ;
}
if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_SUBSTRING ) {
ring_vm_string_pushv(pVM);
}
else if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_LISTITEM ) {
ring_vm_listpushv(pVM);
}
else if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_VARIABLE ) {
if ( RING_VM_STACK_ISPOINTER ) {
pVar = (List *) RING_VM_STACK_READP ;
/* Check NULL Value */
if ( pVM->nInClassRegion == 0 ) {
if ( ring_list_getint(pVar,RING_VAR_TYPE) == RING_VM_NULL ) {
if ( ring_list_isstring(pVar,RING_VAR_VALUE) ) {
if ( strcmp(ring_list_getstring(pVar,RING_VAR_VALUE),"NULL") == 0 ) {
ring_vm_error2(pVM,RING_VM_ERROR_USINGNULLVARIABLE,ring_list_getstring(pVar,RING_VAR_NAME));
if ( ring_list_getlist(pVM->pActiveMem,ring_list_getsize(pVM->pActiveMem)) == pVar ) {
/* Delete the Item from the HashTable */
ring_hashtable_deleteitem_gc(pVM->pRingState,pVM->pActiveMem->pHashTable,ring_list_getstring(pVar,RING_VAR_NAME));
ring_list_deletelastitem_gc(pVM->pRingState,pVM->pActiveMem);
}
return ;
}
}
}
}
/* We don't use POP, because PUSHCVAR and PUSHNVAR don't do SP++ */
if ( ring_list_isstring(pVar,RING_VAR_VALUE) ) {
RING_VM_STACK_PUSHCVAR ;
}
else if ( ring_list_isnumber(pVar,RING_VAR_VALUE) ) {
RING_VM_STACK_PUSHNVAR ;
}
else if ( ring_list_islist(pVar,RING_VAR_VALUE) ) {
/* Support using { } to access object after object name */
pList = ring_list_getlist(pVar,RING_VAR_VALUE) ;
ring_vm_oop_setbraceobj(pVM,pList);
}
}
}
}
void ring_vm_loadaddress ( VM *pVM )
{
if ( ring_vm_findvar(pVM, RING_VM_IR_READC ) == 0 ) {
ring_vm_newvar(pVM, RING_VM_IR_READC);
/* Support for private attributes */
ring_list_setint_gc(pVM->pRingState,(List *) RING_VM_STACK_READP,RING_VAR_PRIVATEFLAG,pVM->nPrivateFlag);
}
/* Don't change instruction if it's LoadAFirst */
if ( pVM->nFirstAddress == 1 ) {
return ;
}
if ( pVM->nVarScope == RING_VARSCOPE_GLOBAL ) {
/* Replace LoadAddress with PUSHP for better performance */
RING_VM_IR_OPCODE = ICO_PUSHP ;
ring_item_setpointer_gc(pVM->pRingState,RING_VM_IR_ITEM(1),RING_VM_STACK_READP);
}
else if ( pVM->nVarScope == RING_VARSCOPE_LOCAL ) {
/* Replace LoadAddress with PUSHPLOCAL for better performance */
RING_VM_IR_OPCODE = ICO_PUSHPLOCAL ;
ring_vm_newbytecodeitem(pVM,3);
ring_vm_newbytecodeitem(pVM,4);
ring_item_setpointer_gc(pVM->pRingState,RING_VM_IR_ITEM(3),RING_VM_STACK_READP);
ring_item_setint_gc(pVM->pRingState,RING_VM_IR_ITEM(4),ring_list_getint(pVM->aScopeID,ring_list_getsize(pVM->aScopeID)));
#if RING_SHOWICFINAL
RING_VM_IR_PARACOUNT = RING_VM_IR_PARACOUNT + 2 ;
ring_list_addpointer_gc(pVM->pRingState,RING_VM_IR_LIST,RING_VM_STACK_READP);
ring_list_addint_gc(pVM->pRingState,RING_VM_IR_LIST,ring_list_getint(pVM->aScopeID,ring_list_getsize(pVM->aScopeID)));
#endif
}
/* Add Result Scope to aLoadAddressScope Array */
ring_list_addint_gc(pVM->pRingState,pVM->aLoadAddressScope,pVM->nVarScope);
}
void ring_vm_assignment ( VM *pVM )
{
List *pVar,*pList ;
String *cStr1, *pString ;
double nNum1 ;
Item *pItem ;
if ( RING_VM_STACK_PREVOBJTYPE == RING_OBJTYPE_SUBSTRING ) {
if ( pVM->nBeforeEqual == 0 ) {
ring_vm_string_assignment(pVM);
} else {
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
}
}
else if ( RING_VM_STACK_PREVOBJTYPE == RING_OBJTYPE_LISTITEM ) {
ring_vm_listassignment(pVM);
}
else if ( RING_VM_STACK_PREVOBJTYPE ==RING_OBJTYPE_VARIABLE ) {
if ( (RING_VM_STACK_ISSTRING) && (pVM->nBeforeEqual <= 1 ) ) {
cStr1 = ring_string_new2_gc(pVM->pRingState,RING_VM_STACK_READC,RING_VM_STACK_STRINGSIZE);
RING_VM_STACK_POP ;
pVar = (List *) RING_VM_STACK_READP ;
RING_VM_STACK_POP ;
if ( pVM->nBeforeEqual == 0 ) {
ring_list_setint_gc(pVM->pRingState,pVar, RING_VAR_TYPE ,RING_VM_STRING);
ring_list_setstring2_gc(pVM->pRingState,pVar, RING_VAR_VALUE , ring_string_get(cStr1),ring_string_size(cStr1));
} else {
/* Check NULL Variable */
if ( ring_list_getint(pVar,RING_VAR_TYPE) == RING_VM_NULL ) {
ring_vm_error2(pVM,RING_VM_ERROR_USINGNULLVARIABLE,ring_list_getstring(pVar,RING_VAR_NAME));
return ;
}
if ( ring_list_isstring(pVar,RING_VAR_VALUE) ) {
pString = ring_list_getstringobject(pVar,RING_VAR_VALUE);
ring_string_add2_gc(pVM->pRingState,pString,ring_string_get(cStr1),ring_string_size(cStr1));
}
else if ( ring_list_isnumber(pVar,RING_VAR_VALUE) ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE ,ring_list_getdouble(pVar,RING_VAR_VALUE) +ring_vm_stringtonum(pVM,ring_string_get(cStr1)));
}
}
ring_string_delete_gc(pVM->pRingState,cStr1);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
pVar = (List *) RING_VM_STACK_READP ;
RING_VM_STACK_POP ;
if ( pVM->nBeforeEqual == 0 ) {
ring_list_setint_gc(pVM->pRingState,pVar, RING_VAR_TYPE ,RING_VM_NUMBER);
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , nNum1);
} else {
/* Check NULL Variable */
if ( ring_list_getint(pVar,RING_VAR_TYPE) == RING_VM_NULL ) {
ring_vm_error2(pVM,RING_VM_ERROR_USINGNULLVARIABLE,ring_list_getstring(pVar,RING_VAR_NAME));
return ;
}
ring_vm_beforeequallist(pVM,pVar,nNum1);
}
}
else if ( (RING_VM_STACK_ISPOINTER) && (pVM->nBeforeEqual == 0 ) ) {
if ( (RING_VM_STACK_OBJTYPE == RING_OBJTYPE_VARIABLE) || (RING_VM_STACK_OBJTYPE ==RING_OBJTYPE_LISTITEM) ) {
/* Get The Source List */
if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_VARIABLE ) {
pVar = ring_list_getlist((List *) RING_VM_STACK_READP,RING_VAR_VALUE);
} else {
pItem = (Item *) RING_VM_STACK_READP ;
pVar = ring_item_getlist(pItem);
}
pList = ring_list_new_gc(pVM->pRingState,0);
ring_list_copy(pList,pVar);
/*
** We use (Temp) List - to avoid problems when coping from parent list to child list
** Simulate C Pointer copy on the original list because we works on the temp list
*/
ring_vm_list_simpointercopy(pVM,pVar);
RING_VM_STACK_POP ;
pVar = (List *) RING_VM_STACK_READP ;
RING_VM_STACK_POP ;
ring_list_setint_gc(pVM->pRingState,pVar, RING_VAR_TYPE ,RING_VM_LIST);
ring_list_setlist_gc(pVM->pRingState,pVar,RING_VAR_VALUE);
ring_vm_list_copy(pVM,ring_list_getlist(pVar,RING_VAR_VALUE),pList);
/* Update self object pointer */
if ( ring_vm_oop_isobject(ring_list_getlist(pVar,RING_VAR_VALUE)) ) {
ring_vm_oop_updateselfpointer(pVM,ring_list_getlist(pVar,RING_VAR_VALUE),RING_OBJTYPE_VARIABLE,pVar);
}
ring_list_delete_gc(pVM->pRingState,pList);
}
} else {
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
}
}
else {
ring_vm_error(pVM,RING_VM_ERROR_ASSIGNNOTVARIABLE);
}
pVM->nBeforeEqual = 0 ;
/* Clear Assignment Pointer */
pVM->pAssignment = NULL ;
}
void ring_vm_inc ( VM *pVM )
{
List *pVar ;
if ( ring_vm_findvar(pVM, RING_VM_IR_READC ) == 0 ) {
ring_vm_newvar(pVM, RING_VM_IR_READC);
}
if ( ( ring_list_getsize(pVM->pMem) == 1 ) && (pVM->pActiveMem == ring_vm_getglobalscope(pVM)) ) {
/* Replace ICO_INC with IncP for better performance */
RING_VM_IR_OPCODE = ICO_INCP ;
ring_item_setpointer_gc(pVM->pRingState,RING_VM_IR_ITEM(1),RING_VM_STACK_READP);
}
pVar = (List *) RING_VM_STACK_READP ;
RING_VM_STACK_POP ;
ring_list_setdouble_gc(pVM->pRingState,pVar,RING_VAR_VALUE,ring_list_getdouble(pVar,RING_VAR_VALUE) + 1);
}
void ring_vm_loadapushv ( VM *pVM )
{
List *pVar ;
if ( ring_vm_findvar(pVM, RING_VM_IR_READC ) == 0 ) {
ring_vm_newvar(pVM, RING_VM_IR_READC);
}
if ( ( ring_list_getsize(pVM->pMem) == 1 ) && (pVM->pActiveMem == ring_vm_getglobalscope(pVM)) ) {
/* Replace LoadAPushV with PUSHPV for better performance */
RING_VM_IR_OPCODE = ICO_PUSHPV ;
ring_item_setpointer_gc(pVM->pRingState,RING_VM_IR_ITEM(1),RING_VM_STACK_READP);
}
pVar = (List *) RING_VM_STACK_READP ;
if ( ring_list_isstring(pVar,RING_VAR_VALUE) ) {
RING_VM_STACK_PUSHCVAR ;
}
else if ( ring_list_isnumber(pVar,RING_VAR_VALUE) ) {
RING_VM_STACK_PUSHNVAR ;
}
}
void ring_vm_newline ( VM *pVM )
{
pVM->nLineNumber = RING_VM_IR_READI ;
ring_vm_traceevent(pVM,RING_VM_TRACEEVENT_NEWLINE);
}
void ring_vm_freestack ( VM *pVM )
{
int nSP ;
List *pList ;
/* Clear Assignment Pointer */
pVM->pAssignment = NULL ;
/* Clear Load Address Result Scope Array */
ring_list_deleteallitems_gc(pVM->pRingState,pVM->aLoadAddressScope);
/* In the class region */
if ( pVM->nInClassRegion ) {
/*
** Description
** In the class Region we don't free stack to support Object + New Object
** So we can add objects quickly to lists and access them using braces { }
** But If we did this only we may get stack overflow if we did some work in the class region like
** Using Switch (Which use duplication) or calling functions without storing the output using Assignment
** To solve this situation we Use RING_VM_FREE_STACK_IN_CLASS_REGION_AFTER
** So we can support Object + New Object and avoid Stack Overflow too!
** This feature is GREAT in the language where we can quickly move applications from
** Using procedural programming and global variables to Classes and Object Attributes
*/
pList = ring_list_getlist(pVM->aScopeNewObj,ring_list_getsize(pVM->aScopeNewObj));
nSP = ring_list_getint(pList,RING_ASCOPENEWOBJ_SP) ;
if ( pVM->nSP > nSP + RING_VM_FREE_STACK_IN_CLASS_REGION_AFTER ) {
pVM->nSP = nSP+RING_VM_FREE_STACK_IN_CLASS_REGION_AFTER ;
}
return ;
}
if ( ( ring_list_getsize(pVM->pFuncCallList) == 0 ) && (pVM->nInsideBraceFlag == 0) ) {
pVM->nSP = 0 ;
pVM->nFuncSP = 0 ;
/* Clear General Temp Memory */
ring_list_deleteallitems_gc(pVM->pRingState,pVM->pTempMem);
} else {
if ( pVM->nInsideBraceFlag == 0 ) {
pVM->nSP = pVM->nFuncSP ;
}
else {
ring_vm_oop_bracestack(pVM);
}
}
}
void ring_vm_setreference ( VM *pVM )
{
List *pList ;
int nType ;
void *pPointer ;
/*
** Check if we have value (string/number) not variable
** In this case we need assignment
*/
if ( ! RING_VM_STACK_ISPOINTER ) {
ring_vm_assignment(pVM);
return ;
}
/* Read Source */
pPointer = RING_VM_STACK_READP ;
nType = RING_VM_STACK_OBJTYPE ;
RING_VM_STACK_POP ;
/* Read Destination */
pList = (List *) RING_VM_STACK_READP ;
RING_VM_STACK_POP ;
/* Reference Counting to Destination before copy from Source */
ring_vm_gc_checkupdatereference(pVM,pList);
/* Copy by reference */
ring_list_setint_gc(pVM->pRingState,pList,RING_VAR_TYPE,RING_VM_POINTER);
ring_list_setpointer_gc(pVM->pRingState,pList,RING_VAR_VALUE,pPointer);
ring_list_setint_gc(pVM->pRingState,pList,RING_VAR_PVALUETYPE,nType);
/* Reference Counting (To Source After copy to Destination) */
ring_vm_gc_checknewreference(pPointer,nType);
}
void ring_vm_list_copy ( VM *pVM,List *pNewList, List *pList )
{
int x ;
List *pNewList2 ;
Item *pItem ;
assert(pList != NULL);
/* Copy Items */
if ( ring_list_getsize(pList) == 0 ) {
return ;
}
for ( x = 1 ; x <= ring_list_getsize(pList) ; x++ ) {
if ( ring_list_isint(pList,x) ) {
ring_list_addint_gc(pVM->pRingState,pNewList,ring_list_getint(pList,x));
}
else if ( ring_list_isdouble(pList,x) ) {
ring_list_adddouble_gc(pVM->pRingState,pNewList,ring_list_getdouble(pList,x));
}
else if ( ring_list_isstring(pList,x) ) {
ring_list_addstring2_gc(pVM->pRingState,pNewList,ring_list_getstring(pList,x),ring_list_getstringsize(pList,x));
}
else if ( ring_list_ispointer(pList,x) ) {
ring_list_addpointer_gc(pVM->pRingState,pNewList,ring_list_getpointer(pList,x));
}
else if ( ring_list_islist(pList,x) ) {
pNewList2 = ring_list_newlist_gc(pVM->pRingState,pNewList);
ring_vm_list_copy(pVM,pNewList2,ring_list_getlist(pList,x));
/* Update Self Object Pointer */
if ( ring_vm_oop_isobject(pNewList2) ) {
pItem = ring_list_getitem(pNewList,ring_list_getsize(pNewList));
ring_vm_oop_updateselfpointer(pVM,pNewList2,RING_OBJTYPE_LISTITEM,pItem);
}
}
}
/* Check if the List if a C Pointer List */
if ( ring_list_getsize(pList) == RING_CPOINTER_LISTSIZE ) {
if ( ring_list_ispointer(pList,RING_CPOINTER_POINTER) && ring_list_isstring(pList,RING_CPOINTER_TYPE) && ring_list_isint(pList,RING_CPOINTER_STATUS) ) {
/* Check value to avoid adding the pointer to the C Pointer list again */
if ( ring_list_getint(pList,RING_CPOINTER_STATUS) == RING_CPOINTERSTATUS_NOTCOPIED ) {
/* Mark C Pointer List As Copied */
ring_list_setint_gc(pVM->pRingState,pList,RING_CPOINTER_STATUS,RING_CPOINTERSTATUS_COPIED);
ring_list_setint_gc(pVM->pRingState,pNewList,RING_CPOINTER_STATUS,RING_CPOINTERSTATUS_COPIED);
/* Add the pointer to the C Poiners List */
if ( ring_list_findpointer(pVM->aCPointers,ring_list_getpointer(pList,RING_CPOINTER_POINTER)) == 0 ) {
ring_list_addpointer_gc(pVM->pRingState,pVM->aCPointers,ring_list_getpointer(pList,RING_CPOINTER_POINTER));
}
}
else if ( ring_list_getint(pList,RING_CPOINTER_STATUS) == RING_CPOINTERSTATUS_NOTASSIGNED ) {
/* Mark the C Pointer List as Not Copied */
ring_list_setint_gc(pVM->pRingState,pList,RING_CPOINTER_STATUS,RING_CPOINTERSTATUS_NOTCOPIED);
ring_list_setint_gc(pVM->pRingState,pNewList,RING_CPOINTER_STATUS,RING_CPOINTERSTATUS_NOTCOPIED);
}
}
}
}
void ring_vm_list_simpointercopy ( VM *pVM,List *pList )
{
int x ;
assert(pList != NULL);
/* Copy Items */
if ( ring_list_getsize(pList) == 0 ) {
return ;
}
for ( x = 1 ; x <= ring_list_getsize(pList) ; x++ ) {
if ( ring_list_islist(pList,x) ) {
ring_vm_list_simpointercopy(pVM,ring_list_getlist(pList,x));
}
}
/* Check if the List if a C Pointer List */
if ( ring_list_getsize(pList) == RING_CPOINTER_LISTSIZE ) {
if ( ring_list_ispointer(pList,RING_CPOINTER_POINTER) && ring_list_isstring(pList,RING_CPOINTER_TYPE) && ring_list_isint(pList,RING_CPOINTER_STATUS) ) {
/* Check value to avoid adding the pointer to the C Pointer list again */
if ( ring_list_getint(pList,RING_CPOINTER_STATUS) == RING_CPOINTERSTATUS_NOTCOPIED ) {
/* Mark C Pointer List As Copied */
ring_list_setint_gc(pVM->pRingState,pList,RING_CPOINTER_STATUS,RING_CPOINTERSTATUS_COPIED);
}
else if ( ring_list_getint(pList,RING_CPOINTER_STATUS) == RING_CPOINTERSTATUS_NOTASSIGNED ) {
/* Mark the C Pointer List as Not Copied */
ring_list_setint_gc(pVM->pRingState,pList,RING_CPOINTER_STATUS,RING_CPOINTERSTATUS_NOTCOPIED);
}
}
}
}
void ring_vm_beforeequallist ( VM *pVM,List *pVar,double nNum1 )
{
String *pString ;
char cStr[100] ;
if ( ring_list_isdouble(pVar,RING_VAR_VALUE) ) {
if ( pVM->nBeforeEqual == 1 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE ,ring_list_getdouble(pVar,RING_VAR_VALUE) + nNum1);
} else if ( pVM->nBeforeEqual == 2 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE ,ring_list_getdouble(pVar,RING_VAR_VALUE) - nNum1);
} else if ( pVM->nBeforeEqual == 3 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE ,ring_list_getdouble(pVar,RING_VAR_VALUE) * nNum1);
} else if ( pVM->nBeforeEqual == 4 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE ,ring_list_getdouble(pVar,RING_VAR_VALUE) / nNum1);
} else if ( pVM->nBeforeEqual == 5 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , fmod(ring_list_getdouble(pVar,RING_VAR_VALUE), nNum1));
} else if ( pVM->nBeforeEqual == 6 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , (int) ring_list_getdouble(pVar,RING_VAR_VALUE) & (int) nNum1);
} else if ( pVM->nBeforeEqual == 7 ) {
ring_list_setdouble(pVar, RING_VAR_VALUE , (int) ring_list_getdouble(pVar,RING_VAR_VALUE) | (int) nNum1);
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , (int) ring_list_getdouble(pVar,RING_VAR_VALUE) | (int) nNum1);
} else if ( pVM->nBeforeEqual == 8 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , (int) ring_list_getdouble(pVar,RING_VAR_VALUE) ^ (int) nNum1);
} else if ( pVM->nBeforeEqual == 9 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , (int) ring_list_getdouble(pVar,RING_VAR_VALUE) << (int) nNum1);
} else if ( pVM->nBeforeEqual == 10 ) {
ring_list_setdouble_gc(pVM->pRingState,pVar, RING_VAR_VALUE , (int) ring_list_getdouble(pVar,RING_VAR_VALUE) >> (int) nNum1);
}
}
else if ( (ring_list_isstring(pVar,RING_VAR_VALUE) == 1) && (pVM->nBeforeEqual == 1) ) {
pString = ring_list_getstringobject(pVar,RING_VAR_VALUE);
ring_string_add_gc(pVM->pRingState,pString,ring_vm_numtostring(pVM,nNum1,cStr));
} else {
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
return ;
}
}
void ring_vm_beforeequalitem ( VM *pVM,Item *pItem,double nNum1 )
{
String *pString ;
char cStr[100] ;
if ( ring_item_isdouble(pItem) ) {
if ( pVM->nBeforeEqual == 1 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,ring_item_getdouble(pItem) + nNum1);
} else if ( pVM->nBeforeEqual == 2 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,ring_item_getdouble(pItem) - nNum1);
} else if ( pVM->nBeforeEqual == 3 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,ring_item_getdouble(pItem) * nNum1);
} else if ( pVM->nBeforeEqual == 4 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,ring_item_getdouble(pItem) / nNum1);
} else if ( pVM->nBeforeEqual == 5 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,fmod(ring_item_getdouble(pItem) , nNum1));
} else if ( pVM->nBeforeEqual == 6 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,(int) ring_item_getdouble(pItem) & (int) nNum1);
} else if ( pVM->nBeforeEqual == 7 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,(int) ring_item_getdouble(pItem) | (int) nNum1);
} else if ( pVM->nBeforeEqual == 8 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,(int) ring_item_getdouble(pItem) ^ (int) nNum1);
} else if ( pVM->nBeforeEqual == 9 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,(int) ring_item_getdouble(pItem) << (int) nNum1);
} else if ( pVM->nBeforeEqual == 10 ) {
ring_item_setdouble_gc(pVM->pRingState,pItem ,(int) ring_item_getdouble(pItem) >> (int) nNum1);
}
}
else if ( (ring_item_isstring(pItem) == 1) && (pVM->nBeforeEqual == 1) ) {
pString = ring_item_getstring(pItem);
ring_string_add_gc(pVM->pRingState,pString,ring_vm_numtostring(pVM,nNum1,cStr));
} else {
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
return ;
}
}
void ring_vm_plusplus ( VM *pVM )
{
List *pList ;
Item *pItem ;
if ( RING_VM_STACK_ISPOINTER ) {
if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_VARIABLE ) {
pList = (List *) RING_VM_STACK_READP ;
if ( ring_list_isdouble(pList,RING_VAR_VALUE) ) {
ring_list_setdouble_gc(pVM->pRingState,pList,RING_VAR_VALUE,ring_list_getdouble(pList,RING_VAR_VALUE)+1);
return ;
}
}
else if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_LISTITEM ) {
pItem = (Item *) RING_VM_STACK_READP ;
if ( ring_item_isdouble(pItem) ) {
ring_item_setdouble_gc(pVM->pRingState,pItem,ring_item_getdouble(pItem)+1);
return ;
}
}
}
else if ( RING_VM_STACK_ISNUMBER ) {
RING_VM_STACK_SETNVALUE(RING_VM_STACK_READN + 1);
return ;
}
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
}
void ring_vm_minusminus ( VM *pVM )
{
List *pList ;
Item *pItem ;
if ( RING_VM_STACK_ISPOINTER ) {
if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_VARIABLE ) {
pList = (List *) RING_VM_STACK_READP ;
if ( ring_list_isdouble(pList,RING_VAR_VALUE) ) {
ring_list_setdouble_gc(pVM->pRingState,pList,RING_VAR_VALUE,ring_list_getdouble(pList,RING_VAR_VALUE)-1);
return ;
}
}
else if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_LISTITEM ) {
pItem = (Item *) RING_VM_STACK_READP ;
if ( ring_item_isdouble(pItem) ) {
ring_item_setdouble_gc(pVM->pRingState,pItem,ring_item_getdouble(pItem)-1);
return ;
}
}
}
else if ( RING_VM_STACK_ISNUMBER ) {
RING_VM_STACK_SETNVALUE(RING_VM_STACK_READN - 1);
return ;
}
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
}
void ring_vm_assignmentpointer ( VM *pVM )
{
List *pList, *pList2 ;
Item *pItem ;
int x ;
if ( pVM->nNOAssignment == 0 ) {
pVM->pAssignment = RING_VM_STACK_READP ;
/* Check trying to change the self pointer */
pList = NULL ;
if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_VARIABLE ) {
if ( ring_list_islist((List *) pVM->pAssignment,RING_VAR_VALUE) ) {
pList = ring_list_getlist((List *) pVM->pAssignment,RING_VAR_VALUE) ;
}
}
else if ( RING_VM_STACK_OBJTYPE == RING_OBJTYPE_LISTITEM ) {
pItem = (Item *) pVM->pAssignment ;
if ( ring_item_gettype(pItem) == ITEMTYPE_LIST ) {
pList = ring_item_getlist(pItem) ;
}
else {
return ;
}
}
else {
return ;
}
if ( ring_vm_oop_isobject(pList) && (ring_list_getsize(pVM->pObjState) > 0 ) ) {
/* We loop to prevent passing self to function that destory the self */
for ( x = 1 ; x <= ring_list_getsize(pVM->pObjState) ; x++ ) {
pList2 = ring_list_getlist(pVM->pObjState,x);
if ( ring_list_getpointer(pList,RING_OBJECT_OBJECTDATA) == ring_list_getpointer(pList2,RING_OBJSTATE_SCOPE) ) {
ring_vm_error(pVM,RING_VM_ERROR_TRYINGTOMODIFYTHESELFPOINTER);
return ;
}
}
}
}
else {
pVM->nNOAssignment = 0 ;
}
}
void ring_vm_freeloadaddressscope ( VM *pVM )
{
/* Clear Load Address Result Scope Array */
ring_list_deleteallitems_gc(pVM->pRingState,pVM->aLoadAddressScope);
}