int ring_vm_findvar ( VM *pVM,const char *cStr )
{
int x,nPos,nMax1 ;
List *pList,*pList2 ;
assert(pVM->pMem);
nMax1 = ring_list_getsize(pVM->pMem);
/* The scope of the search result */
pVM->nVarScope = RING_VARSCOPE_NOTHING ;
if ( nMax1 > 0 ) {
/* Loop to search in each Scope */
for ( x = 1 ; x <= 3 ; x++ ) {
/* 1 = last scope (function) , 2 = Object State , 3 = global scope */
if ( x == 1 ) {
pList = pVM->pActiveMem ;
}
else if ( x == 2 ) {
if ( ring_list_getsize(pVM->pObjState) == 0 ) {
continue ;
}
/* Search in Object State */
pList = ring_list_getlist(pVM->pObjState,ring_list_getsize(pVM->pObjState)) ;
pList = (List *) ring_list_getpointer(pList,RING_OBJSTATE_SCOPE) ;
if ( pList == NULL ) {
continue ;
}
/* Pass Braces for Class Init() method */
if ( (ring_list_getsize(pVM->pObjState) > 1) && (pVM->nCallClassInit) ) {
pList = ring_list_getlist(pVM->pObjState,ring_list_getsize(pVM->pObjState)-1) ;
pList = (List *) ring_list_getpointer(pList,RING_OBJSTATE_SCOPE) ;
if ( pList == NULL ) {
continue ;
}
}
} else {
pList = ring_list_getlist(pVM->pMem,RING_MEMORY_GLOBALSCOPE);
}
if ( ring_list_getsize(pList) < 10 ) {
/* Search Using Linear Search */
nPos = ring_list_findstring(pList,cStr,1);
if ( nPos != 0 ) {
pList2 = ring_list_getlist(pList,nPos);
return ring_vm_findvar2(pVM,x,pList2,cStr) ;
}
}
else {
/* Search Using the HashTable */
if ( pList->pHashTable == NULL ) {
ring_list_genhashtable2(pList);
}
pList2 = (List *) ring_hashtable_findpointer(pList->pHashTable,cStr);
if ( pList2 != NULL ) {
return ring_vm_findvar2(pVM,x,pList2,cStr) ;
}
}
}
}
return 0 ;
}
void ring_vm_refmeta_methods ( void *pPointer )
{
List *pList, *pList2 ;
int x ;
if ( RING_API_PARACOUNT != 1 ) {
RING_API_ERROR(RING_API_BADPARACOUNT);
return ;
}
if ( RING_API_ISLIST(1) ) {
pList = RING_API_GETLIST(1) ;
if ( ring_vm_oop_isobject(pList) ) {
pList = (List *) ring_list_getpointer(pList,RING_OBJECT_CLASSPOINTER);
pList = ring_list_getlist(pList,RING_CLASSMAP_METHODSLIST);
pList2 = RING_API_NEWLIST ;
for ( x = 1 ; x <= ring_list_getsize(pList) ; x++ ) {
ring_list_addstring(pList2,ring_list_getstring(ring_list_getlist(pList,x),RING_FUNCMAP_NAME));
}
RING_API_RETLIST(pList2);
} else {
RING_API_ERROR(RING_API_BADPARATYPE);
}
} else {
RING_API_ERROR(RING_API_BADPARATYPE);
}
}
void ring_vm_gc_checkupdatereference ( VM *pVM,List *pList )
{
Item *pItem ;
/* Reference Counting to Destination before copy from Source */
if ( ring_list_getint(pList,RING_VAR_TYPE) == RING_VM_POINTER ) {
if ( ring_list_getint(pList,RING_VAR_PVALUETYPE) == RING_OBJTYPE_LISTITEM ) {
pItem = (Item *) ring_list_getpointer(pList,RING_VAR_VALUE) ;
ring_item_delete_gc(pVM->pRingState,pItem);
}
}
}
void ring_vm_savestate2 ( VM *pVM,List *pList )
{
List *pThis ;
/* Save State */
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pExitMark));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pLoopMark));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pTry));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aBraceObjects));
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pBraceObject);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pObjState));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nInsideBraceFlag);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aForStep));
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pActiveMem);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nFuncExecute2);
pVM->nInsideBraceFlag = 0 ;
/* Save BlockFlag */
ring_list_addint_gc(pVM->pRingState,pList,pVM->nBlockFlag);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->aPCBlockFlag);
pVM->nBlockFlag = 0 ;
pVM->aPCBlockFlag = ring_list_new_gc(pVM->pRingState,0);
/* Save nPrivateFlag, set it to 0 (public not private) */
ring_list_addint_gc(pVM->pRingState,pList,pVM->nPrivateFlag);
pVM->nPrivateFlag = 0 ;
/* Save nCallClassInit */
ring_list_addint_gc(pVM->pRingState,pList,pVM->nCallClassInit);
pVM->nCallClassInit = 0 ;
ring_list_addint_gc(pVM->pRingState,pList,pVM->nFuncExecute);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pAssignment);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nInClassRegion);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nActiveScopeID);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aScopeNewObj));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aScopeID));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nLineNumber);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nBeforeEqual);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nNOAssignment);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nGetSetProperty);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nGetSetObjType);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pGetSetObject);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->aLoadAddressScope);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pLoadAddressScope));
/* Save This variable */
pThis = ring_list_getlist(ring_vm_getglobalscope(pVM),RING_VM_STATICVAR_THIS) ;
ring_list_addpointer_gc(pVM->pRingState,pList,ring_list_getpointer(pThis,RING_VAR_VALUE));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getint(pThis,RING_VAR_PVALUETYPE));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nCurrentGlobalScope);
pVM->nInClassRegion = 0 ;
pVM->pAssignment = NULL ;
pVM->nNOAssignment = 0 ;
}
void ring_vm_savestate ( VM *pVM,List *pList )
{
List *pThis ;
pList = ring_list_newlist_gc(pVM->pRingState,pList);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pMem));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pFuncCallList));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nFuncExecute);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nSP);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nFuncSP);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pObjState));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aBraceObjects));
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pBraceObject);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->cFileName);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aPCBlockFlag));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nBlockFlag);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aScopeNewObj));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aActivePackage));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aScopeID));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nActiveScopeID);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pExitMark));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pLoopMark));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pTry));
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pActiveMem);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nListStart);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pNestedLists);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nInsideBraceFlag);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aForStep));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->aBeforeObjState));
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->aPCBlockFlag);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nLineNumber);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nInClassRegion);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nPrivateFlag);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nGetSetProperty);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pGetSetObject);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nGetSetObjType);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->pAssignment);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nBeforeEqual);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nNOAssignment);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nFuncExecute2);
ring_list_addint_gc(pVM->pRingState,pList,pVM->nCallClassInit);
ring_list_addpointer_gc(pVM->pRingState,pList,pVM->aLoadAddressScope);
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getsize(pVM->pLoadAddressScope));
/* Save This variable */
pThis = ring_list_getlist(ring_vm_getglobalscope(pVM),RING_VM_STATICVAR_THIS) ;
ring_list_addpointer_gc(pVM->pRingState,pList,ring_list_getpointer(pThis,RING_VAR_VALUE));
ring_list_addint_gc(pVM->pRingState,pList,ring_list_getint(pThis,RING_VAR_PVALUETYPE));
ring_list_addint_gc(pVM->pRingState,pList,pVM->nCurrentGlobalScope);
}
void ring_parser_icg_showoutput ( List *pListGenCode,int nStatus )
{
int x,y,nCount,nCount2 ;
List *pList ;
assert(pListGenCode != NULL);
/* Header */
printf( "\n\n" ) ;
ring_print_line();
if ( nStatus == 1 ) {
puts("Byte Code - Before Execution by the VM");
}
else {
puts("Byte Code - After Execution by the VM");
}
ring_print_line();
nCount = ring_list_getsize(pListGenCode);
if ( nCount > 0 ) {
printf( "\n %6s %10s %10s\n", "PC","OPCode","Data" ) ;
for ( x = 1 ; x <= nCount ; x++ ) {
pList = ring_list_getlist(pListGenCode,x);
nCount2 = ring_list_getsize(pList);
printf( "\n %6d %10s ", x , RING_IC_OP[ring_list_getint(pList,1)] ) ;
if ( nCount2 > 1 ) {
for ( y = 2 ; y <= nCount2 ; y++ ) {
if ( ring_list_isstring(pList,y) ) {
printf( " %5s ",ring_list_getstring(pList,y) ) ;
}
else if ( ring_list_isnumber(pList,y) ) {
if ( ring_list_isdouble(pList,y) ) {
printf( " %f",ring_list_getdouble(pList,y) ) ;
} else {
printf( " %5d ",ring_list_getint(pList,y) ) ;
}
} else {
printf( " %5p ",ring_list_getpointer(pList,y) ) ;
}
}
}
}
printf( "\n" ) ;
}
/* End */
puts("");
ring_print_line();
puts("");
}
void ring_vm_refmeta_classname ( void *pPointer )
{
List *pList ;
char *cStr ;
if ( RING_API_PARACOUNT != 1 ) {
RING_API_ERROR(RING_API_BADPARACOUNT);
return ;
}
if ( RING_API_ISLIST(1) ) {
pList = RING_API_GETLIST(1) ;
if ( ring_vm_oop_isobject(pList) ) {
cStr = ring_list_getstring((List *) ring_list_getpointer(pList,RING_OBJECT_CLASSPOINTER),RING_CLASSMAP_CLASSNAME);
RING_API_RETSTRING(cStr);
} else {
RING_API_ERROR(RING_API_BADPARATYPE);
}
} else {
RING_API_ERROR(RING_API_BADPARATYPE);
}
}
void ring_objfile_writelist ( List *pList,FILE *fObj )
{
List *pList2 ;
int x,x2 ;
char *cString ;
char cKey[11] ;
strcpy(cKey,"ringstring");
fprintf( fObj , "{\n" ) ;
/* Write List Items */
for ( x = 1 ; x <= ring_list_getsize(pList) ; x++ ) {
pList2 = ring_list_getlist(pList,x);
fprintf( fObj , "[T]\n" ) ;
for ( x2 = 1 ; x2 <= ring_list_getsize(pList2) ; x2++ ) {
if ( ring_list_isstring(pList2,x2) ) {
fprintf( fObj , "[S][%d]" , ring_list_getstringsize(pList2,x2) ) ;
/* Encrypt String */
cString = ring_list_getstring(pList2,x2) ;
ring_objfile_xorstring(cString,ring_list_getstringsize(pList2,x2),cKey,10);
fwrite( ring_list_getstring(pList2,x2) , 1 , ring_list_getstringsize(pList2,x2) , fObj );
/* Decrypt String */
ring_objfile_xorstring(cString,ring_list_getstringsize(pList2,x2),cKey,10);
fprintf( fObj , "\n" ) ;
}
else if ( ring_list_isint(pList2,x2) ) {
fprintf( fObj , "[I]%d\n" , ring_list_getint(pList2,x2) ) ;
}
else if ( ring_list_isdouble(pList2,x2) ) {
fprintf( fObj , "[D]%f\n" , ring_list_getdouble(pList2,x2) ) ;
}
else if ( ring_list_ispointer(pList2,x2) ) {
fprintf( fObj , "[P]%p\n" , (void *) ring_list_getpointer(pList2,x2) ) ;
}
else if ( ring_list_islist(pList2,x2) ) {
fprintf( fObj , "[L]\n" ) ;
ring_objfile_writelist(ring_list_getlist(pList2,x2) ,fObj);
}
}
fprintf( fObj , "[E]\n" ) ;
}
fprintf( fObj , "}\n" ) ;
}
void ring_vm_restorestate2 ( VM *pVM,List *pList,int x )
{
List *pThis ;
/* Restore State */
ring_vm_backstate(pVM,ring_list_getint(pList,x),pVM->pExitMark);
ring_vm_backstate(pVM,ring_list_getint(pList,x+1),pVM->pLoopMark);
ring_vm_backstate(pVM,ring_list_getint(pList,x+2),pVM->pTry);
ring_vm_backstate(pVM,ring_list_getint(pList,x+3),pVM->aBraceObjects);
pVM->pBraceObject = (List *) ring_list_getpointer(pList,x+4) ;
ring_vm_backstate(pVM,ring_list_getint(pList,x+5),pVM->pObjState);
pVM->nInsideBraceFlag = ring_list_getint(pList,x+6) ;
ring_vm_backstate(pVM,ring_list_getint(pList,x+7),pVM->aForStep);
pVM->pActiveMem = (List *) ring_list_getpointer(pList,x+8) ;
pVM->nFuncExecute2 = ring_list_getint(pList,x+9) ;
/* Restore BlockFLag */
pVM->aPCBlockFlag = ring_list_delete_gc(pVM->pRingState,pVM->aPCBlockFlag);
pVM->nBlockFlag = ring_list_getint(pList,x+10) ;
pVM->aPCBlockFlag = (List *) ring_list_getpointer(pList,x+11) ;
/* Restore nPrivateFlag */
pVM->nPrivateFlag = ring_list_getint(pList,x+12) ;
/* Restore nCallClassInit */
pVM->nCallClassInit = ring_list_getint(pList,x+13) ;
pVM->nFuncExecute = ring_list_getint(pList,x+14) ;
pVM->pAssignment = (void *) ring_list_getpointer(pList,x+15) ;
pVM->nInClassRegion = ring_list_getint(pList,x+16) ;
pVM->nActiveScopeID = ring_list_getint(pList,x+17) ;
ring_vm_backstate(pVM,ring_list_getint(pList,x+18),pVM->aScopeNewObj);
ring_vm_backstate(pVM,ring_list_getint(pList,x+19),pVM->aScopeID);
pVM->nLineNumber = ring_list_getint(pList,x+20) ;
pVM->nBeforeEqual = ring_list_getint(pList,x+21) ;
pVM->nNOAssignment = ring_list_getint(pList,x+22) ;
pVM->nGetSetProperty = ring_list_getint(pList,x+23) ;
pVM->nGetSetObjType = ring_list_getint(pList,x+24) ;
pVM->pGetSetObject = (void *) ring_list_getpointer(pList,x+25) ;
pVM->aLoadAddressScope = (List *) ring_list_getpointer(pList,x+26) ;
ring_vm_backstate(pVM,ring_list_getint(pList,x+27),pVM->pLoadAddressScope);
/* Restore global scope, Must be before this because this depend on it */
pVM->nCurrentGlobalScope = ring_list_getint(pList,x+30) ;
/* Restore This variable */
pThis = ring_list_getlist(ring_vm_getglobalscope(pVM),RING_VM_STATICVAR_THIS) ;
ring_list_setpointer_gc(pVM->pRingState,pThis,RING_VAR_VALUE,ring_list_getpointer(pList,x+28));
ring_list_setint_gc(pVM->pRingState,pThis,RING_VAR_PVALUETYPE,ring_list_getint(pList,x+29));
}
void ring_vm_restorestack ( VM *pVM,List *pList )
{
int x ;
List *pList2 ;
pVM->nSP = 0 ;
if ( ring_list_getsize(pList) == 0 ) {
return ;
}
for ( x = ring_list_getsize(pList) ; x >= 1 ; x-- ) {
if ( ring_list_isstring(pList,x) ) {
RING_VM_STACK_PUSHCVALUE(ring_list_getstring(pList,x));
}
else if ( ring_list_isnumber(pList,x) ) {
RING_VM_STACK_PUSHNVALUE(ring_list_getdouble(pList,x));
}
else if ( ring_list_islist(pList,x) ) {
pList2 = ring_list_getlist(pList,x);
RING_VM_STACK_PUSHPVALUE(ring_list_getpointer(pList2,1));
RING_VM_STACK_OBJTYPE = ring_list_getint(pList2,2) ;
}
}
}
void ring_vm_gc_checkreferences ( VM *pVM )
{
int x ;
List *pList, *pList2 ;
Item *pItem ;
/* Check References (Called when we delete a scope) */
pList = ring_list_getlist(pVM->pMem,ring_list_getsize(pVM->pMem));
for ( x = ring_list_getsize(pList) ; x >= 1 ; x-- ) {
pList2 = ring_list_getlist(pList,x);
if ( ring_list_getsize(pList2) == RING_VAR_LISTSIZE ) {
if ( ring_list_getint(pList2,RING_VAR_TYPE) == RING_VM_POINTER ) {
if ( ring_list_getint(pList2,RING_VAR_PVALUETYPE) == RING_OBJTYPE_LISTITEM ) {
pItem = (Item *) ring_list_getpointer(pList2,RING_VAR_VALUE) ;
#if GCLog
printf( "GC CheckReferences - Free Memory %p \n",pItem ) ;
#endif
ring_item_delete_gc(pVM->pRingState,pItem);
}
}
}
}
}
void ring_parser_icg_duplicate ( Parser *pParser,int nStart,int nEnd )
{
List *pList,*pList2 ;
int x ;
#if RING_SHOWIC
int y,nCount2 ;
#endif
assert(pParser != NULL);
if ( (nStart <= nEnd) && ( nEnd <= ring_parser_icg_instructionscount(pParser) ) ) {
for ( x = nStart ; x <= nEnd ; x++ ) {
pList = ring_list_newlist(pParser->GenCode);
pList2 = ring_list_getlist(pParser->GenCode,x);
ring_list_copy(pList,pList2);
#if RING_SHOWIC
nCount2 = ring_list_getsize(pList);
printf( "\n %6d [ %s ] ", ring_list_getsize(pParser->GenCode) , RING_IC_OP[ring_list_getint(pList,1)] ) ;
if ( nCount2 > 1 ) {
for ( y = 2 ; y <= nCount2 ; y++ ) {
if ( ring_list_isstring(pList,y) ) {
printf( " Operand : %s ",ring_list_getstring(pList,y) ) ;
}
else if ( ring_list_isnumber(pList,y) ) {
if ( ring_list_isdouble(pList,y) ) {
printf( " Operand : %f ",ring_list_getdouble(pList,y) ) ;
} else {
printf( " Operand : %5d ",ring_list_getint(pList,y) ) ;
}
} else {
printf( " Operand : %5p ",ring_list_getpointer(pList,y) ) ;
}
}
}
#endif
}
}
}
int ring_objfile_readfile ( const char *cFileName,RingState *pRingState )
{
FILE *fObj;
signed char c ;
List *pListFunctions, *pListClasses, *pListPackages, *pListCode, *pList, *pListStack ;
int nActiveList,nValue,nBraceEnd ;
double dValue ;
char *cString ;
char cKey[11] ;
char cFileType[100] ;
strcpy(cKey,"ringstring");
/* Create Lists */
pListFunctions = ring_list_new(0);
pListClasses = ring_list_new(0);
pListPackages = ring_list_new(0);
pListCode = ring_list_new(0);
pListStack = ring_list_new(0);
pList = NULL ;
/* Set Active List (1=functions 2=classes 3=packages 4=code) */
nActiveList = 0 ;
nBraceEnd = 0 ;
/* Open File */
fObj = fopen(cFileName , "rb" );
if ( fObj==NULL ) {
printf( "Can't open file %s \n ",cFileName ) ;
return 0 ;
}
fread( cFileType , 1 , 18 , fObj );
cFileType[18] = '\0' ;
if ( strcmp(cFileType,"# Ring Object File") != 0 ) {
printf( "The file type is not correct - the VM expect a ring object file\n" ) ;
return 0 ;
}
c = getc(fObj);
fread( cFileType , 1 , 13 , fObj );
cFileType[13] = '\0' ;
if ( strcmp(cFileType,"# Version 1.1") != 0 ) {
printf( "The file version is not correct - the VM expect a ring object file version 1.1\n" ) ;
return 0 ;
}
/* Process File */
c = getc(fObj);
while ( c != EOF ) {
/* Check Char */
switch ( c ) {
case '#' :
/* Read Line */
while ( c != '\n' ) {
c = getc(fObj);
#ifdef DEBUG_OBJFILE
printf( "%c ",c ) ;
#endif
}
#ifdef DEBUG_OBJFILE
puts("Read Comment ! ");
#endif
break ;
case '{' :
nActiveList++ ;
switch ( nActiveList ) {
case 1 :
pList = pListFunctions ;
break ;
case 2 :
pList = pListClasses ;
break ;
case 3 :
pList = pListPackages ;
break ;
case 4 :
pList = pListCode ;
break ;
}
break ;
case '[' :
c = getc(fObj);
switch ( c ) {
case 'S' :
c = getc(fObj);
fscanf( fObj , "[%d]" , &nValue ) ;
cString = (char *) malloc(nValue+1) ;
fread( cString , 1 , nValue , fObj );
cString[nValue] = '\0' ;
/* Decrypt String */
ring_objfile_xorstring(cString,nValue,cKey,10);
ring_list_addstring2(pList,cString,nValue);
free( cString ) ;
#ifdef DEBUG_OBJFILE
printf( "Read String %s Size %d \n",cString,nValue ) ;
#endif
break ;
case 'I' :
c = getc(fObj);
fscanf( fObj , "%d" , &nValue ) ;
ring_list_addint(pList,nValue);
#ifdef DEBUG_OBJFILE
printf( "Read Number %d \n ",nValue ) ;
#endif
break ;
case 'D' :
c = getc(fObj);
fscanf( fObj , "%lf" , &dValue ) ;
ring_list_adddouble(pList,dValue);
#ifdef DEBUG_OBJFILE
printf( "Read Double %d \n",dValue ) ;
#endif
break ;
case 'P' :
ring_list_addpointer(pList,NULL);
/* Read Line */
while ( c != '\n' ) {
c = getc(fObj);
}
#ifdef DEBUG_OBJFILE
puts("Read Pointer ");
#endif
break ;
case 'T' :
ring_list_addpointer(pListStack,pList);
pList = ring_list_newlist(pList);
/* Read Line */
while ( c != '\n' ) {
c = getc(fObj);
}
#ifdef DEBUG_OBJFILE
puts("Read T ");
#endif
break ;
case 'E' :
pList = (List *) ring_list_getpointer(pListStack,ring_list_getsize(pListStack)) ;
ring_list_deletelastitem(pListStack);
/* Read Line */
while ( c != '\n' ) {
c = getc(fObj);
}
#ifdef DEBUG_OBJFILE
puts("Read E ");
#endif
break ;
case 'L' :
/* Read Until { */
while ( c != '{' ) {
c = getc(fObj);
}
ring_list_addpointer(pListStack,pList);
pList = ring_list_newlist(pList);
nBraceEnd = 1 ;
#ifdef DEBUG_OBJFILE
puts("Read L ");
#endif
break ;
}
break ;
case '}' :
if ( nBraceEnd ) {
pList = (List *) ring_list_getpointer(pListStack,ring_list_getsize(pListStack)) ;
ring_list_deletelastitem(pListStack);
nBraceEnd = 0 ;
#ifdef DEBUG_OBJFILE
puts("Read } ");
#endif
}
break ;
}
c = getc(fObj);
}
/* Close File */
fclose( fObj ) ;
ring_list_delete(pListStack);
/* Update Ring State */
#ifdef DEBUG_OBJFILE
puts("Old Code List ");
ring_list_print(pRingState->pRingGenCode);
#endif
/* Update Lists */
pRingState->pRingFunctionsMap = pListFunctions ;
pRingState->pRingClassesMap = pListClasses ;
pRingState->pRingPackagesMap = pListPackages ;
pRingState->pRingGenCode = pListCode ;
#ifdef DEBUG_OBJFILE
puts("Update Done! ");
puts("New Code List ");
ring_list_print(pRingState->pRingGenCode);
#endif
/* Update Classes Pointers */
ring_objfile_updateclassespointers(pRingState);
return 1 ;
}
int ring_vm_findvar2 ( VM *pVM,int x,List *pList2,const char *cStr )
{
int nPC,nType ;
Item *pItem ;
List *pList ;
/*
** Now We have the variable List
** The Scope of the search result
*/
if ( ( x == 1 ) && (pVM->pActiveMem == ring_list_getlist(pVM->pMem,RING_MEMORY_GLOBALSCOPE)) ) {
x = RING_VARSCOPE_GLOBAL ;
}
else if ( (x == 1) && (pVM->pActiveMem != ring_list_getlist(pVM->pMem,ring_list_getsize(pVM->pMem))) ) {
x = RING_VARSCOPE_NEWOBJSTATE ;
}
pVM->nVarScope = x ;
pVM->nSP++ ;
if ( ring_list_getint(pList2,RING_VAR_TYPE) == RING_VM_POINTER ) {
if ( pVM->nFirstAddress == 1 ) {
RING_VM_STACK_SETPVALUE(pList2);
RING_VM_STACK_OBJTYPE = RING_OBJTYPE_VARIABLE ;
return 1 ;
}
RING_VM_STACK_SETPVALUE(ring_list_getpointer(pList2,RING_VAR_VALUE ));
RING_VM_STACK_OBJTYPE = ring_list_getint(pList2,RING_VAR_PVALUETYPE) ;
/*
** Here we don't know the correct scope of the result
** becauase a global variable may be a reference to local variable
** And this case happens with setter/getter of the attributes using eval()
*/
pVM->nVarScope = RING_VARSCOPE_NOTHING ;
} else {
/* Check Private Attributes */
if ( ring_list_getint(pList2,RING_VAR_PRIVATEFLAG) == 1 ) {
if ( pVM->nVarScope != RING_VARSCOPE_OBJSTATE ) {
if ( ring_vm_oop_callmethodinsideclass(pVM) == 0 ) {
ring_vm_error2(pVM,RING_VM_ERROR_USINGPRIVATEATTRIBUTE,cStr);
return 0 ;
}
}
}
RING_VM_STACK_SETPVALUE(pList2);
RING_VM_STACK_OBJTYPE = RING_OBJTYPE_VARIABLE ;
/* Check Setter/Getter for Public Attributes */
if ( pVM->nGetSetProperty == 1 ) {
ring_vm_oop_setget(pVM,pList2);
}
else if ( ( x == RING_VARSCOPE_OBJSTATE ) && ( ring_vm_oop_callmethodinsideclass(pVM) == 0 ) ) {
/* Accessing Object Attribute Using { } */
if ( ring_list_getsize(pVM->aBraceObjects) > 0 ) {
pList = ring_list_getlist(pVM->aBraceObjects,ring_list_getsize(pVM->aBraceObjects));
/* Get Object List */
pList = (List *) ring_list_getpointer(pList,RING_ABRACEOBJECTS_BRACEOBJECT);
nType = ring_vm_oop_objtypefromobjlist(pList);
/* Set Object Pointer & Type */
if ( nType == RING_OBJTYPE_VARIABLE ) {
pList = ring_vm_oop_objvarfromobjlist(pList);
pVM->pGetSetObject = pList ;
}
else if ( nType == RING_OBJTYPE_LISTITEM ) {
pItem = ring_vm_oop_objitemfromobjlist(pList);
pVM->pGetSetObject = pItem ;
}
pVM->nGetSetObjType = nType ;
/* Change Assignment Instruction to SetProperty */
if ( RING_VM_IR_PARACOUNT >= 4 ) {
if ( RING_VM_IR_READIVALUE(3) != 0 ) {
nPC = pVM->nPC ;
pVM->nPC = RING_VM_IR_READIVALUE(3) ;
RING_VM_IR_LOAD ;
RING_VM_IR_OPCODE = ICO_SETPROPERTY ;
pVM->nPC = nPC ;
RING_VM_IR_UNLOAD ;
/* Avoid AssignmentPointer , we don't have assignment */
pVM->nNOAssignment = 1 ;
}
}
ring_vm_oop_setget(pVM,pList2);
}
}
}
return 1 ;
}
void ring_vm_restorestate ( VM *pVM,List *pList,int nPos,int nFlag )
{
List *pThis ;
pList = ring_list_getlist(pList,nPos);
/* Set Scope */
pVM->pActiveMem = (List *) ring_list_getpointer(pList,19) ;
/*
** Delete Scopes using the correct function
** We need to delete each scope using ring_vm_deletescope() - so don't use ring_vm_backstate
** We also avoid doing this in the Class Region (After class name)
** Because in the class region we don't use pVM->pMEM
*/
if ( ! pVM->nInClassRegion ) {
while ( ring_list_getlist(pVM->pMem,ring_list_getsize(pVM->pMem)) != pVM->pActiveMem ) {
ring_vm_deletescope(pVM);
}
}
/* We also return to the function call list */
ring_vm_backstate(pVM,ring_list_getint(pList,2),pVM->pFuncCallList);
/* Stack & Executing Functions */
pVM->nFuncExecute = ring_list_getint(pList,3) ;
pVM->nSP = ring_list_getint(pList,4) ;
pVM->nFuncSP = ring_list_getint(pList,5) ;
/* We also return to the Active Object */
ring_vm_backstate(pVM,ring_list_getint(pList,6),pVM->pObjState);
ring_vm_backstate(pVM,ring_list_getint(pList,7),pVM->aBraceObjects);
pVM->pBraceObject = (List *) ring_list_getpointer(pList,8) ;
/* FileName & Packages */
pVM->cFileName = (char *) ring_list_getpointer(pList,9) ;
/* aPCBlockFlag, aScopeNewObj , aActivePackage & aScopeID */
if ( ((List *) ring_list_getpointer(pList,25)) != pVM->aPCBlockFlag ) {
pVM->aPCBlockFlag = ring_list_delete_gc(pVM->pRingState,pVM->aPCBlockFlag);
pVM->aPCBlockFlag = (List *) ring_list_getpointer(pList,25) ;
}
ring_vm_backstate(pVM,ring_list_getint(pList,10),pVM->aPCBlockFlag);
pVM->nBlockFlag = ring_list_getint(pList,11) ;
ring_vm_backstate(pVM,ring_list_getint(pList,12),pVM->aScopeNewObj);
ring_vm_backstate(pVM,ring_list_getint(pList,13),pVM->aActivePackage);
ring_vm_backstate(pVM,ring_list_getint(pList,14),pVM->aScopeID);
pVM->nActiveScopeID = ring_list_getint(pList,15) ;
/* Loop/Exit Mark */
if ( nFlag != RING_STATE_EXIT ) {
ring_vm_backstate(pVM,ring_list_getint(pList,16),pVM->pExitMark);
ring_vm_backstate(pVM,ring_list_getint(pList,17),pVM->pLoopMark);
/* For Step */
ring_vm_backstate(pVM,ring_list_getint(pList,23),pVM->aForStep);
}
/* Try/Catch/Done */
if ( nFlag != RING_STATE_TRYCATCH ) {
ring_vm_backstate(pVM,ring_list_getint(pList,18),pVM->pTry);
}
/* List Status */
pVM->nListStart = ring_list_getint(pList,20) ;
if ( ring_list_getpointer(pList,21) != pVM->pNestedLists ) {
pVM->pNestedLists = ring_list_delete_gc(pVM->pRingState,pVM->pNestedLists);
pVM->pNestedLists = (List *) ring_list_getpointer(pList,21) ;
}
pVM->nInsideBraceFlag = ring_list_getint(pList,22) ;
ring_vm_backstate(pVM,ring_list_getint(pList,24),pVM->aBeforeObjState);
pVM->nLineNumber = ring_list_getint(pList,26) ;
pVM->nInClassRegion = ring_list_getint(pList,27) ;
pVM->nPrivateFlag = ring_list_getint(pList,28) ;
pVM->nGetSetProperty = ring_list_getint(pList,29) ;
pVM->pGetSetObject = (void *) ring_list_getpointer(pList,30) ;
pVM->nGetSetObjType = ring_list_getint(pList,31) ;
pVM->pAssignment = (void *) ring_list_getpointer(pList,32) ;
pVM->nBeforeEqual = ring_list_getint(pList,33) ;
pVM->nNOAssignment = ring_list_getint(pList,34) ;
pVM->nFuncExecute2 = ring_list_getint(pList,35) ;
pVM->nCallClassInit = ring_list_getint(pList,36) ;
pVM->aLoadAddressScope = (List *) ring_list_getpointer(pList,37) ;
ring_vm_backstate(pVM,ring_list_getint(pList,38),pVM->pLoadAddressScope);
/* We restore the global scope befor the This variable, because This use global scope */
pVM->nCurrentGlobalScope = ring_list_getint(pList,41) ;
/* Restore This variable */
pThis = ring_list_getlist(ring_vm_getglobalscope(pVM),RING_VM_STATICVAR_THIS) ;
ring_list_setpointer_gc(pVM->pRingState,pThis,RING_VAR_VALUE,ring_list_getpointer(pList,39));
ring_list_setint_gc(pVM->pRingState,pThis,RING_VAR_PVALUETYPE,ring_list_getint(pList,40));
}
int ring_parser_stmt ( Parser *pParser )
{
int x,nMark1,nMark2,nMark3,nStart,nEnd,nPerformanceLocations ;
String *pString ;
List *pMark,*pMark2,*pMark3,*pList2 ;
double nNum1 ;
char cStr[50] ;
nPerformanceLocations = 0 ;
char cFileName[200] ;
assert(pParser != NULL);
/* Statement --> Load Literal */
if ( ring_parser_iskeyword(pParser,K_LOAD) ) {
ring_parser_nexttoken(pParser);
if ( ring_parser_isliteral(pParser) ) {
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_FILENAME);
ring_parser_icg_newoperand(pParser,pParser->TokenText);
ring_parser_icg_newoperation(pParser,ICO_BLOCKFLAG);
pMark = ring_parser_icg_getactiveoperation(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Load' Literal");
#endif
/* No package at the start of the file */
pParser->ClassesMap = pParser->pRingState->pRingClassesMap ;
strcpy(cFileName,pParser->TokenText);
if ( ring_fexists(pParser->TokenText) == 0 ) {
ring_exefolder(cFileName);
strcat(cFileName,pParser->TokenText);
if ( ring_fexists(cFileName) == 0 ) {
strcpy(cFileName,pParser->TokenText);
}
}
ring_scanner_readfile(cFileName,pParser->pRingState);
/*
** Generate Code
** Return NULL
*/
ring_parser_icg_newoperation(pParser,ICO_RETNULL);
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark1);
/* Set Active File */
ring_parser_icg_newoperation(pParser,ICO_FILENAME);
ring_parser_icg_newoperand(pParser,ring_list_getstring(pParser->pRingState->pRingFilesStack,ring_list_getsize(pParser->pRingState->pRingFilesStack)));
ring_parser_nexttoken(pParser);
return 1 ;
}
return 0 ;
}
/* Statement --> See Expr */
if ( ring_parser_iskeyword(pParser,K_SEE) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_FUNCEXE);
x = ring_parser_expr(pParser);
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_PRINT);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'See' Expr");
#endif
return x ;
}
/* Statement --> Give Identifier */
if ( ring_parser_iskeyword(pParser,K_GIVE) ) {
ring_parser_nexttoken(pParser);
if ( ring_parser_isidentifier(pParser) ) {
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_LOADADDRESS);
ring_parser_icg_newoperand(pParser,pParser->TokenText);
ring_parser_nexttoken(pParser);
x = ring_parser_mixer(pParser);
if ( x == 0 ) {
return 0 ;
}
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_GIVE);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Give' Identifier|ListItem|Object.Attribute");
#endif
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_VARNAME);
return 0 ;
}
}
/* Statement --> For Identifier = Expr to Expr {Statement} Next | For Identifier in Expr {Statemen */
if ( ring_parser_iskeyword(pParser,K_FOR) ) {
ring_parser_nexttoken(pParser);
if ( ring_parser_isidentifier(pParser) ) {
pString = ring_string_new(pParser->TokenText);
ring_parser_nexttoken(pParser);
if ( ring_parser_isoperator(pParser,"=") ) {
/*
** Generate Code
** Mark for Exit command to go to outside the loop
*/
ring_parser_icg_newoperation(pParser,ICO_EXITMARK);
pMark3 = ring_parser_icg_getactiveoperation(pParser);
ring_parser_icg_newoperation(pParser,ICO_LOADAFIRST);
ring_parser_icg_newoperand(pParser,ring_string_get(pString));
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
/*
** Generate Code
** Before Equal ( = ) not += , -= ,... etc
*/
ring_parser_icg_newoperation(pParser,ICO_BEFOREEQUAL);
ring_parser_icg_newoperandint(pParser,0);
ring_parser_icg_newoperation(pParser,ICO_ASSIGNMENT);
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_newoperation(pParser,ICO_LOADAPUSHV);
ring_parser_icg_newoperand(pParser,ring_string_get(pString));
if ( ring_parser_iskeyword(pParser,K_TO) ) {
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
/* Generate Code */
if ( (ring_parser_icg_getlastoperation(pParser) == ICO_PUSHN) && (ring_parser_icg_newlabel(pParser) == (nMark1+2)) ) {
/*
** We check nMark2+2 to avoid executing next instructions when we have expr
** for example for x = 1 to 10+5
*/
nNum1 = ring_list_getdouble(pParser->ActiveGenCodeList,2) ;
ring_parser_icg_deletelastoperation(pParser);
ring_parser_icg_setlastoperation(pParser,ICO_JUMPVARLENUM);
ring_parser_icg_newoperanddouble(pParser,nNum1);
/* Add Locations Needed for Instruction change for performance */
nPerformanceLocations = 1 ;
} else {
ring_parser_icg_newoperation(pParser,ICO_JUMPFOR);
}
pMark = ring_parser_icg_getactiveoperation(pParser);
/* Step <expr> */
x = ring_parser_step(pParser,&nMark1);
if ( x == 0 ) {
ring_string_delete(pString);
return 0 ;
}
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'For' Identifier '=' Expr to Expr ['step' Expr]");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
if ( ring_parser_iskeyword(pParser,K_NEXT) ) {
/* Generate Code */
nMark3 = ring_parser_icg_newlabel(pParser);
/* Increment Jump */
ring_parser_icg_newoperation(pParser,ICO_INCJUMP);
ring_parser_icg_newoperand(pParser,ring_string_get(pString));
ring_parser_icg_newoperandint(pParser,nMark1);
/* Add Locations needed for instruction change for performance */
ring_parser_icg_newoperandint(pParser,0);
ring_parser_icg_newoperandint(pParser,0);
nMark2 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark2);
/* Performance Locations */
if ( nPerformanceLocations ) {
/* Add Locations Needed for Instruction JUMPVARLENUM change for performance */
ring_parser_icg_addoperandint(pMark,0);
ring_parser_icg_addoperandint(pMark,0);
}
/* Set Exit Mark */
ring_parser_icg_addoperandint(pMark3,nMark2);
/* Set Loop Mark */
ring_parser_icg_addoperandint(pMark3,nMark3);
/* End Loop (Remove Exit Mark) */
ring_parser_icg_newoperation(pParser,ICO_POPEXITMARK);
/* POP Step */
ring_parser_icg_newoperation(pParser,ICO_POPSTEP);
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Next --> 'Next'");
#endif
ring_string_delete(pString);
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_NEXT);
}
}
}
}
}
else if ( ring_parser_iskeyword(pParser,K_IN) ) {
/* Generate Code */
sprintf( cStr , "n_sys_var_%d" , ring_parser_icg_instructionscount(pParser) ) ;
/* Mark for Exit command to go to outside the loop */
ring_parser_icg_newoperation(pParser,ICO_EXITMARK);
pMark3 = ring_parser_icg_getactiveoperation(pParser);
ring_parser_icg_newoperation(pParser,ICO_LOADADDRESS);
ring_parser_icg_newoperand(pParser,cStr);
ring_parser_icg_newoperation(pParser,ICO_PUSHN);
ring_parser_icg_newoperanddouble(pParser,1.0);
/* Before Equal ( = ) not += , -= ,... etc */
ring_parser_icg_newoperation(pParser,ICO_BEFOREEQUAL);
ring_parser_icg_newoperandint(pParser,0);
ring_parser_icg_newoperation(pParser,ICO_ASSIGNMENT);
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_newoperation(pParser,ICO_LOADAPUSHV);
ring_parser_icg_newoperand(pParser,cStr);
ring_parser_icg_newoperation(pParser,ICO_LOADFUNC);
ring_parser_icg_newoperand(pParser,"len");
nStart = ring_parser_icg_instructionscount(pParser) + 1 ;
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
/* Generate Code */
nEnd = ring_parser_icg_instructionscount(pParser) ;
/* Note (nEnd-1) , -1 to remove instruction PushV (avoid error with for x in string) */
if ( ring_parser_icg_getlastoperation(pParser) == ICO_PUSHV ) {
nEnd-- ;
}
ring_parser_icg_newoperation(pParser,ICO_CALL);
/* Generate 0 For Operator OverLoading */
ring_parser_icg_newoperandint(pParser,0);
ring_parser_icg_newoperation(pParser,ICO_JUMPFOR);
pMark = ring_parser_icg_getactiveoperation(pParser);
ring_parser_icg_newoperation(pParser,ICO_LOADAFIRST);
ring_parser_icg_newoperand(pParser,ring_string_get(pString));
ring_parser_icg_duplicate(pParser,nStart,nEnd);
ring_parser_icg_newoperation(pParser,ICO_LOADAPUSHV);
ring_parser_icg_newoperand(pParser,cStr);
ring_parser_icg_newoperation(pParser,ICO_LOADINDEXADDRESS);
/* Generate 0 For Operator OverLoading */
ring_parser_icg_newoperandint(pParser,0);
/* Item by reference */
ring_parser_icg_newoperation(pParser,ICO_SETREFERENCE);
/* Step <expr> */
x = ring_parser_step(pParser,&nMark1);
if ( x == 0 ) {
ring_string_delete(pString);
return 0 ;
}
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'For' Identifier 'in' Expr ['step' Expr]");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
if ( ring_parser_iskeyword(pParser,K_NEXT) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
nMark3 = ring_parser_icg_newlabel(pParser);
/* Increment Jump */
ring_parser_icg_newoperation(pParser,ICO_INCJUMP);
ring_parser_icg_newoperand(pParser,cStr);
ring_parser_icg_newoperandint(pParser,nMark1);
/* Add Locations needed for instruction change for performance */
ring_parser_icg_newoperandint(pParser,0);
ring_parser_icg_newoperandint(pParser,0);
nMark2 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark2);
/* Set Exit Mark */
ring_parser_icg_addoperandint(pMark3,nMark2);
/* Set Loop Mark */
ring_parser_icg_addoperandint(pMark3,nMark3);
/* End Loop (Remove Exit Mark) */
ring_parser_icg_newoperation(pParser,ICO_POPEXITMARK);
/* POP Step */
ring_parser_icg_newoperation(pParser,ICO_POPSTEP);
/* Remove Reference Value */
ring_parser_icg_newoperation(pParser,ICO_LOADAFIRST);
ring_parser_icg_newoperand(pParser,ring_string_get(pString));
ring_parser_icg_newoperation(pParser,ICO_KILLREFERENCE);
ring_parser_icg_newoperation(pParser,ICO_PUSHN);
ring_parser_icg_newoperanddouble(pParser,1.0);
/* Before Equal ( = ) not += , -= ,... etc */
ring_parser_icg_newoperation(pParser,ICO_BEFOREEQUAL);
ring_parser_icg_newoperandint(pParser,0);
ring_parser_icg_newoperation(pParser,ICO_ASSIGNMENT);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Next --> 'Next'");
#endif
ring_string_delete(pString);
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_NEXT);
}
}
}
ring_string_delete(pString);
}
return 0 ;
}
/* Statement --> IF Expr Statements OK */
if ( ring_parser_iskeyword(pParser,K_IF) ) {
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
/*
** First Condition
** Generate Code
*/
ring_parser_icg_newoperation(pParser,ICO_JUMPZERO);
pMark = ring_parser_icg_getactiveoperation(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'If' Expr {Statement} { But } [Else] Ok");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
/* Generate Code */
pList2 = ring_list_new(0);
ring_parser_icg_newoperation(pParser,ICO_JUMP);
ring_list_addpointer(pList2,ring_parser_icg_getactiveoperation(pParser));
/* { 'But' Statements } 'Else' Statements */
while ( ring_parser_iskeyword(pParser,K_BUT) ) {
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark1);
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_JUMPZERO);
pMark = ring_parser_icg_getactiveoperation(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : But --> 'But' Expr {Statement}");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_JUMP);
ring_list_addpointer(pList2,ring_parser_icg_getactiveoperation(pParser));
}
}
if ( ring_parser_iskeyword(pParser,K_ELSE) ) {
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark1);
pMark = NULL ;
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Else --> 'Else' {Statement} ");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
}
if ( ring_parser_iskeyword(pParser,K_OK) ) {
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
if ( pMark != NULL ) {
ring_parser_icg_addoperandint(pMark,nMark1);
}
if ( ring_list_getsize(pList2) > 0 ) {
for ( x = 1 ; x <= ring_list_getsize(pList2) ; x++ ) {
ring_parser_icg_addoperandint(((List *) ring_list_getpointer(pList2,x)),nMark1);
}
}
ring_list_delete(pList2);
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Ok --> 'OK'");
#endif
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_OK);
ring_list_delete(pList2);
}
}
return 0 ;
}
/* Statement --> WHILE Expr Statements END */
if ( ring_parser_iskeyword(pParser,K_WHILE) ) {
/*
** Generate Code
** Mark for Exit command to go to outsize the loop
*/
ring_parser_icg_newoperation(pParser,ICO_EXITMARK);
pMark3 = ring_parser_icg_getactiveoperation(pParser);
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_JUMPZERO);
pMark = ring_parser_icg_getactiveoperation(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'While' Expr {Statement} End");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
if ( ring_parser_iskeyword(pParser,K_END) ) {
/* Generate Code */
nMark3 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_newoperation(pParser,ICO_JUMP);
ring_parser_icg_newoperandint(pParser,nMark1);
nMark2 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark2);
/* Set Exit Mark */
ring_parser_icg_addoperandint(pMark3,nMark2);
/* Set Loop Mark */
ring_parser_icg_addoperandint(pMark3,nMark3);
/* End Loop (Remove Exit Mark) */
ring_parser_icg_newoperation(pParser,ICO_POPEXITMARK);
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : End --> 'End'");
#endif
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_END);
}
}
return 0 ;
}
/* Statement --> DO Statements AGAIN Expr */
if ( ring_parser_iskeyword(pParser,K_DO) ) {
/*
** Generate Code
** Mark for Exit command to go to outsize the loop
*/
ring_parser_icg_newoperation(pParser,ICO_EXITMARK);
pMark3 = ring_parser_icg_getactiveoperation(pParser);
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Do' {Statement} Again");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
if ( ring_parser_iskeyword(pParser,K_AGAIN) ) {
/* Generate Code */
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
/* Generate Code (Test Condition) */
ring_parser_icg_newoperation(pParser,ICO_JUMPZERO);
pMark = ring_parser_icg_getactiveoperation(pParser);
/* Generate Code */
nMark3 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_newoperation(pParser,ICO_JUMP);
ring_parser_icg_newoperandint(pParser,nMark1);
nMark2 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark2);
/* Set Exit Mark */
ring_parser_icg_addoperandint(pMark3,nMark2);
/* Set Loop Mark */
ring_parser_icg_addoperandint(pMark3,nMark3);
/* End Loop (Remove Exit Mark) */
ring_parser_icg_newoperation(pParser,ICO_POPEXITMARK);
pParser->nAssignmentFlag = 1 ;
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Again --> 'Again' Expr");
#endif
return 1 ;
}
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_AGAIN);
}
return 0 ;
}
/* Statement --> Return Expr */
if ( ring_parser_iskeyword(pParser,K_RETURN) ) {
ring_parser_nexttoken(pParser);
x = 1 ;
if ( ring_parser_isendline(pParser) == 0 ) {
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_FUNCEXE);
pParser->nAssignmentFlag = 0 ;
x = ring_parser_expr(pParser);
pParser->nAssignmentFlag = 1 ;
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_ENDFUNCEXE);
ring_parser_icg_newoperation(pParser,ICO_RETURN);
} else {
/*
** Generate Code
** Return NULL
*/
ring_parser_icg_newoperation(pParser,ICO_RETNULL);
}
#if RING_PARSERTRACE
if ( x == 1 ) {
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Return'");
}
#endif
return x ;
}
/* Statement --> Try {Statement} Catch {Statement} Done */
if ( ring_parser_iskeyword(pParser,K_TRY) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_TRY);
pMark = ring_parser_icg_getactiveoperation(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Try' {Statement} Catch Done");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
if ( ring_parser_iskeyword(pParser,K_CATCH) ) {
ring_parser_nexttoken(pParser);
/*
** Generate Code
** Jump from end of try block to label after done
*/
ring_parser_icg_newoperation(pParser,ICO_JUMP);
pMark2 = ring_parser_icg_getactiveoperation(pParser);
nMark1 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark,nMark1);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Catch --> 'Catch' {Statement}");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
if ( ring_parser_iskeyword(pParser,K_DONE) ) {
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Done --> 'Done'");
#endif
ring_parser_nexttoken(pParser);
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_JUMP);
pMark3 = ring_parser_icg_getactiveoperation(pParser);
nMark2 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark2,nMark2);
ring_parser_icg_newoperation(pParser,ICO_DONE);
nMark3 = ring_parser_icg_newlabel(pParser);
ring_parser_icg_addoperandint(pMark3,nMark3);
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_NODONE);
}
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_NOCATCH);
}
}
/* Statement --> Bye (Close the Program) */
if ( ring_parser_iskeyword(pParser,K_BYE) ) {
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Bye' ");
#endif
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_BYE);
return 1 ;
}
/* Statement --> Exit (Go to outside the loop) */
if ( ring_parser_iskeyword(pParser,K_EXIT) ) {
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Exit' ");
#endif
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_EXIT);
/* Check Number (Exit from more than one loop) */
if ( ring_parser_isnumber(pParser) ) {
ring_parser_icg_newoperanddouble(pParser,atof(pParser->TokenText));
ring_parser_nexttoken(pParser);
}
return 1 ;
}
/* Statement --> Loop (Continue) */
if ( ring_parser_iskeyword(pParser,K_LOOP) ) {
ring_parser_nexttoken(pParser);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Loop'");
#endif
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_LOOP);
/* Check Number (Continue from more than one loop) */
if ( ring_parser_isnumber(pParser) ) {
ring_parser_icg_newoperanddouble(pParser,atof(pParser->TokenText));
ring_parser_nexttoken(pParser);
}
return 1 ;
}
/* Statement --> Switch Expr { ON Expr {Statement} } OFF */
if ( ring_parser_iskeyword(pParser,K_SWITCH) ) {
ring_parser_nexttoken(pParser);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Switch' Expr {ON} [Other] OFF");
#endif
RING_PARSER_IGNORENEWLINE ;
/* ON Statements */
pList2 = ring_list_new(0);
pMark = NULL ;
while ( ring_parser_iskeyword(pParser,K_ON) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
if ( pMark != NULL ) {
ring_parser_icg_addoperandint(pMark,nMark1);
}
ring_parser_icg_newoperation(pParser,ICO_DUPLICATE);
pParser->nAssignmentFlag = 0 ;
if ( ring_parser_expr(pParser) ) {
pParser->nAssignmentFlag = 1 ;
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_EQUAL);
ring_parser_icg_newoperation(pParser,ICO_JUMPZERO);
pMark = ring_parser_icg_getactiveoperation(pParser);
ring_parser_icg_newoperation(pParser,ICO_FREESTACK);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : ON --> 'on' Expr {Statement}");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_JUMP);
ring_list_addpointer(pList2,ring_parser_icg_getactiveoperation(pParser));
}
}
/* Other */
if ( ring_parser_iskeyword(pParser,K_OTHER) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
if ( pMark != NULL ) {
ring_parser_icg_addoperandint(pMark,nMark1);
pMark = NULL ;
}
ring_parser_icg_newoperation(pParser,ICO_FREESTACK);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Other --> 'Other' {Statement}");
#endif
while ( ring_parser_stmt(pParser) ) {
if ( pParser->ActiveToken == pParser->TokensCount ) {
break ;
}
}
}
/* OFF */
if ( ring_parser_iskeyword(pParser,K_OFF) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
nMark1 = ring_parser_icg_newlabel(pParser);
if ( pMark != NULL ) {
ring_parser_icg_addoperandint(pMark,nMark1);
}
if ( ring_list_getsize(pList2) > 0 ) {
for ( x = 1 ; x <= ring_list_getsize(pList2) ; x++ ) {
ring_parser_icg_addoperandint(((List *) ring_list_getpointer(pList2,x)),nMark1);
}
}
ring_list_delete(pList2);
ring_parser_icg_newoperation(pParser,ICO_FREESTACK);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : OFF --> 'Off'");
#endif
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_SWITCHOFF);
}
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_SWITCHEXPR);
}
}
/* Statement --> epslion */
if ( ring_parser_epslion(pParser) ) {
return 1 ;
}
/* Statement --> Expr */
if ( ring_parser_expr(pParser) ) {
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> Expr ");
#endif
ring_parser_icg_newoperation(pParser,ICO_FREESTACK);
return 1 ;
}
return 0 ;
}
