void ring_vm_equal ( VM *pVM )
{
String *cStr1,*cStr2 ;
double nNum1,nNum2 ;
char cStr3[100] ;
if ( RING_VM_STACK_ISSTRING ) {
cStr1 = ring_string_new(RING_VM_STACK_READC);
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISSTRING ) {
cStr2 = ring_string_new(RING_VM_STACK_READC);
if ( strcmp(ring_string_get(cStr1),ring_string_get(cStr2)) == 0 ) {
RING_VM_STACK_TRUE ;
} else {
RING_VM_STACK_FALSE ;
}
ring_string_delete(cStr2);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
ring_vm_numtostring(pVM,nNum1,cStr3);
if ( strcmp(ring_string_get(cStr1),cStr3) == 0 ) {
RING_VM_STACK_TRUE ;
} else {
RING_VM_STACK_FALSE ;
}
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_spoo(pVM,"=",ring_string_get(cStr1),ring_string_size(cStr1));
ring_string_delete(cStr1);
return ;
}
ring_string_delete(cStr1);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
if ( nNum1 == nNum2 ) {
RING_VM_STACK_TRUE ;
} else {
RING_VM_STACK_FALSE ;
}
}
else if ( RING_VM_STACK_ISSTRING ) {
if ( ring_vm_stringtonum(pVM,RING_VM_STACK_READC) == nNum1 ) {
RING_VM_STACK_TRUE ;
} else {
RING_VM_STACK_FALSE ;
}
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_npoo(pVM,"=",nNum1);
return ;
}
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_ppoo(pVM,"=");
}
}
void ring_string_test ( void )
{
#define nMaxValue 10
String *mystr[nMaxValue] ;
int x ;
String *pString ;
for ( x = 0 ; x < nMaxValue ; x++ ) {
mystr[x] = ring_string_new("Wow Really i like the c language so much");
ring_string_print(mystr[x]);
}
for ( x = 0 ; x < nMaxValue ; x++ ) {
mystr[x] = ring_string_delete(mystr[x]);
}
/* Test String Add */
pString = ring_string_new("Hello ");
ring_string_add(pString,"World");
printf( "\nTest String Add , Output = %s\n",ring_string_get(pString) ) ;
ring_string_add(pString," Welcome to the C programming language");
printf( "\nTest String Add , Output = %s\n",ring_string_get(pString) ) ;
ring_string_delete(pString);
/* Test String to Lower */
pString = ring_string_new("Welcome to my StrinG");
printf( "Test string to lower \n" ) ;
printf( "%s\n",ring_string_tolower(pString) ) ;
ring_string_delete(pString);
getchar();
}
int ring_parser_namedotname ( Parser *pParser )
{
String *pString ;
if ( ring_parser_isidentifier(pParser) ) {
/* Get Token Text */
pString = ring_string_new(pParser->TokenText);
ring_parser_nexttoken(pParser);
while ( ring_parser_isoperator(pParser,".") ) {
ring_parser_nexttoken(pParser);
ring_string_add(pString,".");
if ( ring_parser_isidentifier(pParser) ) {
ring_string_add(pString,pParser->TokenText);
ring_parser_nexttoken(pParser);
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_PACKAGENAME);
ring_string_delete(pString);
return 0 ;
}
}
/* Generate Code */
ring_parser_icg_newoperand(pParser,ring_string_get(pString));
ring_string_delete(pString);
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_PACKAGENAME);
return 0 ;
}
}
void ring_vm_odbc_datasources ( void *pPointer )
{
ring_odbc *pODBC ;
SQLCHAR dsn[256] ;
SQLCHAR desc[256] ;
SQLSMALLINT dsn_ret ;
SQLSMALLINT desc_ret ;
SQLUSMALLINT direction ;
List *pList ;
String *pString ;
if ( RING_API_PARACOUNT != 1 ) {
RING_API_ERROR(RING_API_MISS1PARA);
return ;
}
if ( RING_API_ISPOINTER(1) ) {
pODBC = (ring_odbc *) RING_API_GETCPOINTER(1,RING_VM_POINTER_ODBC) ;
if ( pODBC == NULL ) {
return ;
}
pList = RING_API_NEWLIST ;
direction = SQL_FETCH_FIRST ;
while ( SQL_SUCCEEDED(SQLDataSources(pODBC->env, direction, dsn, sizeof(dsn), &dsn_ret,desc, sizeof(desc), &desc_ret)) ) {
direction = SQL_FETCH_NEXT ;
pString = ring_string_new((char *) dsn);
ring_string_add(pString," - ");
ring_string_add(pString, (char *) desc);
ring_list_addstring(pList,ring_string_get(pString));
ring_string_delete(pString);
}
RING_API_RETLIST(pList);
} else {
RING_API_ERROR(RING_API_BADPARATYPE);
}
}
void ring_vm_refmeta_packagename ( void *pPointer )
{
VM *pVM ;
pVM = (VM *) pPointer ;
if ( RING_API_PARACOUNT != 0 ) {
RING_API_ERROR(RING_API_BADPARACOUNT);
return ;
}
RING_API_RETSTRING(ring_string_get(pVM->pPackageName));
}
void ring_vm_mod ( VM *pVM )
{
double nNum1=0,nNum2=0 ;
String *cStr1 ;
char cStr2[100] ;
char cStr3[100] ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
if ( nNum1 == 0 ) {
ring_vm_error(pVM,RING_VM_ERROR_DIVIDEBYZERO);
return ;
}
if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
}
else if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_npoo(pVM,"%",nNum1);
return ;
}
}
else if ( RING_VM_STACK_ISSTRING ) {
cStr1 = ring_string_new2(RING_VM_STACK_READC,RING_VM_STACK_STRINGSIZE) ;
nNum1 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_spoo(pVM,"%",ring_string_get(cStr1),ring_string_size(cStr1));
ring_string_delete(cStr1);
return ;
}
ring_string_delete(cStr1);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_ppoo(pVM,"%");
return ;
}
/* Check Overflow */
if ( ( strlen(ring_vm_numtostring(pVM,nNum1,cStr2)) >= 15 ) || (strlen(ring_vm_numtostring(pVM,nNum2,cStr3)) >= 15 ) ) {
ring_vm_error(pVM,RING_VM_ERROR_NUMERICOVERFLOW);
return ;
}
RING_VM_STACK_SETNVALUE(fmod(nNum2 , nNum1));
}
void ring_vm_greaterequal ( VM *pVM )
{
double nNum1=0,nNum2=0 ;
String *cStr1 ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
}
else if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_npoo(pVM,">=",nNum1);
return ;
}
}
else if ( RING_VM_STACK_ISSTRING ) {
cStr1 = ring_string_new(RING_VM_STACK_READC);
nNum1 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_spoo(pVM,">=",ring_string_get(cStr1),ring_string_size(cStr1));
ring_string_delete(cStr1);
return ;
}
ring_string_delete(cStr1);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_ppoo(pVM,">=");
return ;
}
/* Compare */
if ( nNum2 >= nNum1 ) {
RING_VM_STACK_TRUE ;
} else {
RING_VM_STACK_FALSE ;
}
}
void ring_vm_bitshl ( VM *pVM )
{
double nNum1,nNum2 ;
String *cStr1 ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISNUMBER ) {
RING_VM_STACK_SETNVALUE(( (int) (RING_VM_STACK_READN) << (int) nNum1 ));
}
else if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
RING_VM_STACK_SETNVALUE(((int) nNum2 << (int) nNum1));
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_npoo(pVM,"<<",nNum1);
return ;
}
}
else if ( RING_VM_STACK_ISSTRING ) {
cStr1 = ring_string_new(RING_VM_STACK_READC);
nNum1 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISNUMBER ) {
RING_VM_STACK_SETNVALUE(( (int) (RING_VM_STACK_READN) << (int) nNum1 ));
}
else if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
RING_VM_STACK_SETNVALUE(((int) nNum2 << (int) nNum1));
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_spoo(pVM,"<<",ring_string_get(cStr1),ring_string_size(cStr1));
ring_string_delete(cStr1);
return ;
}
ring_string_delete(cStr1);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_ppoo(pVM,"<<");
}
}
void ring_vm_sub ( VM *pVM )
{
double nNum1=0,nNum2=0 ;
String *cStr1 ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
}
else if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_npoo(pVM,"-",nNum1);
return ;
}
}
else if ( RING_VM_STACK_ISSTRING ) {
cStr1 = ring_string_new2(RING_VM_STACK_READC,RING_VM_STACK_STRINGSIZE) ;
nNum1 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISSTRING ) {
nNum2 = ring_vm_stringtonum(pVM,RING_VM_STACK_READC);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_spoo(pVM,"-",ring_string_get(cStr1),ring_string_size(cStr1));
ring_string_delete(cStr1);
return ;
}
ring_string_delete(cStr1);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_ppoo(pVM,"-");
return ;
}
RING_VM_STACK_SETNVALUE(nNum2-nNum1);
}
void ring_vm_sum ( VM *pVM )
{
String *cStr1,*cStr2 ;
double nNum1,nNum2 ;
char cStr3[100] ;
/*
** Description
** We can sum string + number ---> string , number + string ---> number
** string/number + nl ---> string
** list + string/number ---> add item to the list
** list1 + list2 ---> add list2 items to list 1
*/
if ( RING_VM_STACK_ISSTRING ) {
cStr1 = ring_string_new2(RING_VM_STACK_READC,RING_VM_STACK_STRINGSIZE) ;
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISSTRING ) {
cStr2 = ring_string_new2(RING_VM_STACK_READC,RING_VM_STACK_STRINGSIZE) ;
ring_string_add2(cStr2,ring_string_get(cStr1),ring_string_size(cStr1));
RING_VM_STACK_SETCVALUE2(ring_string_get(cStr2),ring_string_size(cStr2));
ring_string_delete(cStr2);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
if ( strcmp(ring_string_get(cStr1),"\n") == 0 ) {
cStr2 = ring_string_new("") ;
ring_string_add(cStr2,ring_vm_numtostring(pVM,nNum2,cStr3));
ring_string_add(cStr2,ring_string_get(cStr1));
RING_VM_STACK_SETCVALUE(ring_string_get(cStr2));
ring_string_delete(cStr2);
} else {
RING_VM_STACK_SETNVALUE(nNum2 + ring_vm_stringtonum(pVM,ring_string_get(cStr1)));
}
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_spoo(pVM,"+",ring_string_get(cStr1),ring_string_size(cStr1));
ring_string_delete(cStr1);
return ;
}
ring_string_delete(cStr1);
}
else if ( RING_VM_STACK_ISNUMBER ) {
nNum1 = RING_VM_STACK_READN ;
RING_VM_STACK_POP ;
if ( RING_VM_STACK_ISNUMBER ) {
nNum2 = RING_VM_STACK_READN ;
RING_VM_STACK_SETNVALUE(nNum1+nNum2);
}
else if ( RING_VM_STACK_ISSTRING ) {
cStr2 = ring_string_new(RING_VM_STACK_READC) ;
ring_vm_numtostring(pVM,nNum1,cStr3);
ring_string_add(cStr2,cStr3);
RING_VM_STACK_SETCVALUE(ring_string_get(cStr2));
ring_string_delete(cStr2);
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_npoo(pVM,"+",nNum1);
return ;
}
}
else if ( RING_VM_STACK_ISPOINTER ) {
ring_vm_expr_ppoo(pVM,"+");
return ;
} else {
ring_vm_error(pVM,RING_VM_ERROR_BADVALUES);
return ;
}
}
int ring_parser_class ( Parser *pParser )
{
List *pList,*pList2,*pList3 ;
int x ;
String *pString ;
/* Statement --> Class Identifier [ From Identifier ] */
if ( ring_parser_iskeyword(pParser,K_CLASS) ) {
ring_parser_nexttoken(pParser);
if ( ring_parser_isidentifier(pParser) ) {
/*
** Generate Code
** Return NULL
*/
ring_parser_icg_newoperation(pParser,ICO_RETNULL);
ring_parser_icg_newoperation(pParser,ICO_NEWCLASS);
ring_parser_icg_newoperand(pParser,pParser->TokenText);
/* Add Class to Classes Table */
pList = pParser->ClassesMap ;
pList = ring_list_newlist(pList);
ring_list_addstring(pList,pParser->TokenText);
ring_list_addint(pList,ring_list_getsize(pParser->GenCode));
/* Add class pointer to generated code */
ring_parser_icg_newoperandpointer(pParser,pList);
ring_parser_nexttoken(pParser);
/* [From Identifer] */
if ( ring_parser_iskeyword(pParser,K_FROM) ) {
ring_parser_nexttoken(pParser);
if ( ring_parser_namedotname(pParser) ) {
/* Generate Code */
pList3 = ring_parser_icg_getactiveoperation(pParser);
/* Check if parent class name = subclass name */
if ( strcmp(ring_list_getstring(pList,1),ring_list_getstring(pList3,4)) == 0 ) {
ring_parser_error(pParser,RING_PARSER_ERROR_PARENTLIKESUBCLASS);
return 0 ;
}
/* Set Parent Class Name in Classes Map */
ring_list_addstring(pList,ring_list_getstring(pList3,4));
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Class' Identifier 'From' [PackageName'.']Identifier");
#endif
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_PRENTCLASSNAME);
return 0 ;
}
} else {
/* Set Parent Class Name In Classes Map */
ring_list_addstring(pList,"");
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Class' Identifier ");
#endif
}
/* Add Method/Functions List to Class in Class Table */
pList2 = ring_list_newlist(pList);
/* Add Flag ( IS Parent Class information collected ) */
ring_list_addint(pList,0);
/* Set Active Functions List to be Class Methods */
pParser->FunctionsMap = pList2 ;
/* Make class visible using PackageName.ClassName if we have package */
if ( pParser->ClassesMap != pParser->pRingState->pRingClassesMap ) {
/* Get Package Name */
pList3 = ring_list_getlist(pParser->pRingState->pRingPackagesMap,ring_list_getsize(pParser->pRingState->pRingPackagesMap));
pString = ring_string_new(ring_list_getstring(pList3,1));
/* Add pointer to the Package in the Class List */
ring_list_addpointer(pList,pList3);
/* Add List point to General Classes point to the class in the package */
pList2 = ring_list_newlist(pParser->pRingState->pRingClassesMap);
ring_list_addstring(pList2,"");
ring_list_addpointer(pList2,pList);
/* Ignore Adding Pointer to File Name */
ring_list_addpointer(pList2,NULL);
/* Add Class Name to Package Name */
ring_string_add(pString,".");
ring_string_add(pString,ring_list_getstring(pList,1));
ring_list_setstring(pList2,1,ring_string_get(pString));
ring_string_delete(pString);
} else {
/* Add pointer to the Package in the Class List */
ring_list_addpointer(pList,NULL);
}
pParser->nClassStart = 1 ;
/* Create label to be used by Private */
pParser->nClassMark = ring_parser_icg_newlabel2(pParser);
pParser->nPrivateFlag = 0 ;
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_CLASSNAME);
return 0 ;
}
}
/* Statement --> Func Identifier [PARALIST] */
if ( ring_parser_iskeyword(pParser,K_FUNC) ) {
ring_parser_nexttoken(pParser);
if ( ring_parser_isidentifier(pParser) ) {
/*
** Generate Code
** Return NULL
*/
ring_parser_icg_newoperation(pParser,ICO_RETNULL);
ring_parser_icg_newoperation(pParser,ICO_NEWFUNC);
ring_parser_icg_newoperand(pParser,pParser->TokenText);
/* Add function to Functions Table */
pList2 = pParser->FunctionsMap ;
/* Check Function Redefinition */
if ( ring_list_getsize(pList2) > 0 ) {
for ( x = 1 ; x <= ring_list_getsize(pList2) ; x++ ) {
if ( strcmp(ring_list_getstring(ring_list_getlist(pList2,x),1),pParser->TokenText) == 0 ) {
ring_parser_error(pParser,RING_PARSER_ERROR_FUNCREDEFINE);
return 0 ;
}
}
}
pList2 = ring_list_newlist(pList2);
ring_list_addstring(pList2,pParser->TokenText);
ring_list_addint(pList2,ring_list_getsize(pParser->GenCode));
ring_list_addstring(pList2,ring_list_getstring(pParser->pRingState->pRingFilesStack,ring_list_getsize(pParser->pRingState->pRingFilesStack)));
if ( pParser->nClassStart == 1 ) {
ring_list_addint(pList2,pParser->nPrivateFlag);
} else {
ring_list_addint(pList2,0);
}
ring_parser_nexttoken(pParser);
if ( ring_parser_isidentifier(pParser) ) {
x = ring_parser_paralist(pParser);
} else {
x = 1 ;
}
#if RING_PARSERTRACE
if ( x == 1 ) {
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Func' Identifier [ParaList]");
}
#endif
return x ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_FUNCNAME);
return 0 ;
}
}
/* Statement --> Package Identifier { '.' Identifier } */
if ( ring_parser_iskeyword(pParser,K_PACKAGE) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_PACKAGE);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Package' Identifier{'.'identifier}");
#endif
if ( ring_parser_namedotname(pParser) ) {
/* Add Package to Packages List */
pList = ring_parser_icg_getactiveoperation(pParser);
/* Check early definition of the package */
for ( x = 1 ; x <= ring_list_getsize(pParser->pRingState->pRingPackagesMap) ; x++ ) {
pList3 = ring_list_getlist(pParser->pRingState->pRingPackagesMap,x);
if ( strcmp(ring_list_getstring(pList3,1),ring_list_getstring(pList,2)) == 0 ) {
pParser->ClassesMap = ring_list_getlist(pList3,2);
return 1 ;
}
}
pList2 = ring_list_newlist(pParser->pRingState->pRingPackagesMap);
/* Add Package Name */
ring_list_addstring(pList2,ring_list_getstring(pList,2));
/* Add Package Classes List */
pParser->ClassesMap = ring_list_newlist(pList2);
return 1 ;
} else {
return 0 ;
}
}
/* Statement --> Import Identifier { '.' Identifier } */
if ( ring_parser_iskeyword(pParser,K_IMPORT) ) {
ring_parser_nexttoken(pParser);
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_IMPORT);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Import' Identifier{'.'identifier}");
#endif
return ring_parser_namedotname(pParser) ;
}
/* Statement --> Private */
if ( ring_parser_iskeyword(pParser,K_PRIVATE) ) {
ring_parser_nexttoken(pParser);
if ( pParser->nClassStart == 1 ) {
/* Generate Code */
ring_parser_icg_newoperation(pParser,ICO_RETNULL);
/* Change Label After Class to BlockFlag to Jump to Private */
pList = ring_parser_icg_getoperationlist(pParser,pParser->nClassMark);
ring_list_setint(pList,1,ICO_BLOCKFLAG);
ring_list_addint(pList,ring_parser_icg_newlabel(pParser));
ring_parser_icg_newoperation(pParser,ICO_PRIVATE);
#if RING_PARSERTRACE
RING_STATE_CHECKPRINTRULES
puts("Rule : Statement --> 'Private'");
#endif
pParser->nPrivateFlag = 1 ;
return 1 ;
} else {
ring_parser_error(pParser,RING_PARSER_ERROR_NOCLASSDEFINED);
return 0 ;
}
}
return ring_parser_stmt(pParser) ;
}
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 ;
}