void DaoValue_CopyX( DaoValue *src, DaoValue **dest, DaoDataCache *cache )
{
DaoValue *dest2 = *dest;
if( src == dest2 ) return;
if( dest2 && dest2->xBase.refCount >1 ){
GC_DecRC( dest2 );
*dest = dest2 = NULL;
}
if( dest2 == NULL ){
src = DaoValue_SimpleCopyWithTypeX( src, NULL, cache );
GC_IncRC( src );
*dest = src;
return;
}
if( src->type != dest2->type || src->type > DAO_ENUM ){
src = DaoValue_SimpleCopyWithTypeX( src, NULL, cache );
GC_ShiftRC( src, dest2 );
*dest = src;
return;
}
switch( src->type ){
case DAO_ENUM :
DaoEnum_SetType( & dest2->xEnum, src->xEnum.etype );
DaoEnum_SetValue( & dest2->xEnum, & src->xEnum, NULL );
break;
case DAO_INTEGER : dest2->xInteger.value = src->xInteger.value; break;
case DAO_FLOAT : dest2->xFloat.value = src->xFloat.value; break;
case DAO_DOUBLE : dest2->xDouble.value = src->xDouble.value; break;
case DAO_COMPLEX : dest2->xComplex.value = src->xComplex.value; break;
#ifdef DAO_WITH_LONGINT
case DAO_LONG : DLong_Move( dest2->xLong.value, src->xLong.value ); break;
#endif
case DAO_STRING : DString_Assign( dest2->xString.data, src->xString.data ); break;
}
}
void DaoValue_CopyX( DaoValue *src, DaoValue **dest, DaoType *cst )
{
DaoValue *dest2 = *dest;
if( src == dest2 ) return;
if( dest2 && dest2->xBase.refCount >1 ){
GC_DecRC( dest2 );
*dest = dest2 = NULL;
}
if( src->type == DAO_CSTRUCT || src->type == DAO_CDATA ){
DaoValue_MoveCstruct( src, dest, cst != NULL && cst->invar != 0 );
return;
}else if( src->type == DAO_CINVALUE ){
DaoValue_MoveCinValue( (DaoCinValue*) src, dest );
return;
}
if( dest2 == NULL ){
src = DaoValue_SimpleCopyWithTypeX( src, NULL, cst );
GC_IncRC( src );
*dest = src;
return;
}
if( src->type != dest2->type || src->type > DAO_ENUM ){
src = DaoValue_SimpleCopyWithTypeX( src, NULL, cst );
GC_Assign( dest, src );
return;
}
switch( src->type ){
case DAO_ENUM :
DaoEnum_SetType( & dest2->xEnum, src->xEnum.etype );
DaoEnum_SetValue( & dest2->xEnum, & src->xEnum );
break;
case DAO_BOOLEAN : dest2->xBoolean.value = src->xBoolean.value; break;
case DAO_INTEGER : dest2->xInteger.value = src->xInteger.value; break;
case DAO_FLOAT : dest2->xFloat.value = src->xFloat.value; break;
case DAO_COMPLEX : dest2->xComplex.value = src->xComplex.value; break;
case DAO_STRING : DString_Assign( dest2->xString.value, src->xString.value ); break;
}
}
int DaoValue_Move4( DaoValue *S, DaoValue **D, DaoType *T, DMap *defs, DaoDataCache *cache )
{
int tm = 1;
switch( (T->tid << 8) | S->type ){
case (DAO_INTEGER << 8) | DAO_INTEGER :
case (DAO_INTEGER << 8) | DAO_FLOAT :
case (DAO_INTEGER << 8) | DAO_DOUBLE :
case (DAO_FLOAT << 8) | DAO_INTEGER :
case (DAO_FLOAT << 8) | DAO_FLOAT :
case (DAO_FLOAT << 8) | DAO_DOUBLE :
case (DAO_DOUBLE << 8) | DAO_INTEGER :
case (DAO_DOUBLE << 8) | DAO_FLOAT :
case (DAO_DOUBLE << 8) | DAO_DOUBLE :
case (DAO_COMPLEX << 8) | DAO_COMPLEX :
case (DAO_LONG << 8) | DAO_LONG :
case (DAO_STRING << 8) | DAO_STRING :
S = DaoValue_SimpleCopyWithTypeX( S, T, cache );
GC_ShiftRC( S, *D );
*D = S;
return 1;
}
if( !(S->xTuple.trait & DAO_VALUE_CONST) ){
DaoType *ST = NULL;
switch( (S->type << 8) | T->tid ){
case (DAO_TUPLE<<8)|DAO_TUPLE : ST = S->xTuple.unitype; break;
case (DAO_ARRAY<<8)|DAO_ARRAY : ST = dao_array_types[ S->xArray.etype ]; break;
case (DAO_LIST <<8)|DAO_LIST : ST = S->xList.unitype; break;
case (DAO_MAP <<8)|DAO_MAP : ST = S->xMap.unitype; break;
case (DAO_CDATA<<8)|DAO_CDATA : ST = S->xCdata.ctype; break;
case (DAO_CSTRUCT<<8)|DAO_CSTRUCT : ST = S->xCstruct.ctype; break;
case (DAO_OBJECT<<8)|DAO_OBJECT : ST = S->xObject.defClass->objType; break;
}
if( ST == T ){
DaoValue *D2 = *D;
GC_ShiftRC( S, D2 );
*D = S;
return 1;
}
}
if( (T->tid == DAO_OBJECT || T->tid == DAO_CDATA || T->tid == DAO_CSTRUCT) && S->type == DAO_OBJECT ){
if( S->xObject.defClass != & T->aux->xClass ){
S = DaoObject_CastToBase( S->xObject.rootObject, T );
tm = (S != NULL);
}
}else if( (T->tid == DAO_CLASS || T->tid == DAO_CTYPE) && S->type == DAO_CLASS ){
if( S->xClass.clsType != T && T->aux != NULL ){ /* T->aux == NULL for "class"; */
S = DaoClass_CastToBase( (DaoClass*)S, T );
tm = (S != NULL);
}
}else if( T->tid == DAO_CTYPE && S->type == DAO_CTYPE ){
if( S->xCtype.ctype != T ){
S = DaoType_CastToParent( S, T );
tm = (S != NULL);
}
}else if( T->tid == DAO_ROUTINE && T->overloads == 0 && S->type == DAO_ROUTINE && S->xRoutine.overloads ){
DArray *routines = S->xRoutine.overloads->routines;
int i, k, n;
/*
// Do not use DaoRoutine_ResolveByType( S, ... )
// "S" should match to "T", not the other way around!
*/
tm = 0;
for(i=0,n=routines->size; i<n; i++){
DaoRoutine *rout = routines->items.pRoutine[i];
k = rout->routType == T ? DAO_MT_EQ : DaoType_MatchTo( rout->routType, T, defs );
if( k > tm ) tm = k;
if( rout->routType == T ){
S = (DaoValue*) rout;
break;
}
}
}else{
tm = DaoType_MatchValue( T, S, defs );
}
#if 0
if( tm ==0 ){
printf( "T = %p; S = %p, type = %i %i\n", T, S, S->type, DAO_ROUTINE );
printf( "T: %s %i %i\n", T->name->mbs, T->tid, tm );
if( S->type == DAO_LIST ) printf( "%s\n", S->xList.unitype->name->mbs );
if( S->type == DAO_TUPLE ) printf( "%p\n", S->xTuple.unitype );
}
printf( "S->type = %p %s %i\n", S, T->name->mbs, tm );
#endif
if( tm == 0 ) return 0;
/* composite known types must match exactly. example,
* where it will not work if composite types are allowed to match loosely.
* d : list<list<int>> = {};
* e : list<float> = { 1.0 };
* d.append( e );
*
* but if d is of type list<list<any>>,
* the matching do not necessary to be exact.
*/
S = DaoValue_SimpleCopyWithTypeX( S, T, cache );
GC_ShiftRC( S, *D );
*D = S;
if( S->type == DAO_TUPLE && S->xTuple.unitype != T && tm >= DAO_MT_SIM ){
return DaoValue_TryCastTuple( S, D, T );
}else if( T && T->tid == S->type && !(T->attrib & DAO_TYPE_SPEC) ){
DaoValue_SetType( S, T );
}
return 1;
}
DaoValue* DaoValue_SimpleCopyWithType( DaoValue *self, DaoType *tp )
{
return DaoValue_SimpleCopyWithTypeX( self, tp, NULL );
}
int DaoValue_Move4( DaoValue *S, DaoValue **D, DaoType *T, DaoType *C, DMap *defs )
{
DaoCinType *cintype;
int tm = 1;
switch( (T->tid << 8) | S->type ){
case (DAO_BOOLEAN << 8) | DAO_BOOLEAN :
case (DAO_BOOLEAN << 8) | DAO_INTEGER :
case (DAO_BOOLEAN << 8) | DAO_FLOAT :
case (DAO_INTEGER << 8) | DAO_BOOLEAN :
case (DAO_INTEGER << 8) | DAO_INTEGER :
case (DAO_INTEGER << 8) | DAO_FLOAT :
case (DAO_FLOAT << 8) | DAO_BOOLEAN :
case (DAO_FLOAT << 8) | DAO_INTEGER :
case (DAO_FLOAT << 8) | DAO_FLOAT :
case (DAO_COMPLEX << 8) | DAO_COMPLEX :
case (DAO_STRING << 8) | DAO_STRING :
case (DAO_CINVALUE<< 8) | DAO_CINVALUE :
S = DaoValue_SimpleCopyWithTypeX( S, T, C );
GC_Assign( D, S );
return 1;
}
switch( S->type ){
case DAO_ENUM : if( S->xEnum.subtype == DAO_ENUM_SYM && T->realnum ) return 0; break;
case DAO_OBJECT : if( S->xObject.isNull ) return 0; break;
case DAO_CDATA : if( S->xCdata.data == NULL && ! DaoType_IsNullable(T) ) return 0; break;
}
if( !(S->xBase.trait & DAO_VALUE_CONST) ){
DaoVmSpace *vms;
DaoType *ST = NULL;
switch( (S->type << 8) | T->tid ){
case (DAO_ARRAY<<8)|DAO_ARRAY :
vms = DaoType_GetVmSpace( T );
ST = vms->typeArrays[ S->xArray.etype ]; break;
case (DAO_TUPLE<<8)|DAO_TUPLE : ST = S->xTuple.ctype; break;
case (DAO_LIST <<8)|DAO_LIST : ST = S->xList.ctype; break;
case (DAO_MAP <<8)|DAO_MAP : ST = S->xMap.ctype; break;
case (DAO_CDATA<<8)|DAO_CDATA : ST = S->xCdata.ctype; break;
case (DAO_CSTRUCT<<8)|DAO_CSTRUCT : ST = S->xCstruct.ctype; break;
case (DAO_OBJECT<<8)|DAO_OBJECT : ST = S->xObject.defClass->objType; break;
}
if( ST == T ){
if( ST->tid == DAO_CSTRUCT || ST->tid == DAO_CDATA ){
DaoValue_MoveCstruct( S, D, C != NULL && C->invar != 0 );
}else{
GC_Assign( D, S );
}
return 1;
}
}
if( (T->tid == DAO_OBJECT || T->tid == DAO_CSTRUCT || T->tid == DAO_CDATA) && S->type == DAO_OBJECT ){
if( S->xObject.defClass != & T->aux->xClass ){
S = DaoObject_CastToBase( S->xObject.rootObject, T );
if( S != NULL && S->type == DAO_CDATA && S->xCdata.data == NULL ){
if( ! DaoType_IsNullable( T ) ) return 0;
}
tm = (S != NULL);
}
}else if( (T->tid == DAO_CLASS || T->tid == DAO_CTYPE) && S->type == DAO_CLASS ){
if( S->xClass.clsType != T && T->aux != NULL ){ /* T->aux == NULL for "class"; */
S = DaoClass_CastToBase( (DaoClass*)S, T );
tm = (S != NULL);
}
}else if( T->tid == DAO_CTYPE && S->type == DAO_CTYPE ){
if( S->xCtype.classType != T ){
S = DaoType_CastToParent( S, T );
tm = (S != NULL);
}
}else if( T->tid == DAO_ROUTINE && T->subtid != DAO_ROUTINES && S->type == DAO_ROUTINE && S->xRoutine.overloads ){
DList *routines = S->xRoutine.overloads->routines;
int i, k, n;
/*
// Do not use DaoRoutine_ResolveByType( S, ... )
// "S" should match to "T", not the other way around!
*/
tm = 0;
for(i=0,n=routines->size; i<n; i++){
DaoRoutine *rout = routines->items.pRoutine[i];
k = rout->routType == T ? DAO_MT_EQ : DaoType_MatchTo( rout->routType, T, defs );
if( k > tm ) tm = k;
if( rout->routType == T ){
S = (DaoValue*) rout;
break;
}
}
}else{
tm = DaoType_MatchValue( T, S, defs );
}
#if 0
if( tm ==0 ){
printf( "T = %p; S = %p, type = %i %i\n", T, S, S->type, DAO_ROUTINE );
printf( "T: %s %i %i\n", T->name->chars, T->tid, tm );
if( S->type == DAO_LIST ) printf( "%s\n", S->xList.ctype->name->chars );
if( S->type == DAO_TUPLE ) printf( "%p\n", S->xTuple.ctype );
}
printf( "S->type = %p %s %i\n", S, T->name->chars, tm );
#endif
if( tm == 0 ) return 0;
/*
// Composite types must match exactly. Example,
// where it will not work if composite types are allowed to match loosely.
// d : list<list<int>> = {};
// e : list<float> = { 1.0 };
// d.append( e );
//
// But if d is of type list<list<any>>,
// the matching do not necessary to be exact.
*/
cintype = NULL;
if( T->tid == DAO_CINVALUE ){
if( DaoType_MatchValue( T->aux->xCinType.target, S, NULL ) >= DAO_MT_CIV ){
cintype = (DaoCinType*) T->aux;
}
}else if( T->tid == DAO_INTERFACE && T->aux->xInterface.concretes ){
DaoInterface *inter = (DaoInterface*) T->aux;
DaoType *st = DaoValue_GetType( S, inter->nameSpace->vmSpace );
DNode *it;
cintype = DaoInterface_GetConcrete( inter, st );
if( cintype == NULL ){
for(it=DMap_First(inter->concretes); it; it=DMap_Next(inter->concretes,it)){
if( DaoType_MatchValue( it->key.pType, S, NULL ) >= DAO_MT_CIV ){
cintype = (DaoCinType*) it->value.pVoid;
break;
}
}
}
}
if( cintype ){
S = (DaoValue*) DaoCinValue_New( cintype, S );
}else if( S->type == DAO_CSTRUCT || S->type == DAO_CDATA ){
DaoValue_MoveCstruct( S, D, C != NULL && C->invar != 0 );
return 1;
}else{
S = DaoValue_SimpleCopyWithTypeX( S, T, C );
}
GC_Assign( D, S );
if( S->type == DAO_TUPLE && S->xTuple.ctype != T && tm == DAO_MT_SIM ){
return DaoValue_TryCastTuple( S, D, T );
}else if( T && T->tid == S->type && !(T->attrib & DAO_TYPE_SPEC) ){
DaoValue_SetType( S, T );
}
return 1;
}
DaoValue* DaoValue_SimpleCopy( DaoValue *self )
{
return DaoValue_SimpleCopyWithTypeX( self, NULL, NULL );
}
