public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
// index is in R
IValue keyValue = ev.GetVal();
// get table (it is on the stack[top])
IValue tableValue = ev.GetStackTopVal();
ev.Stack.Pop();
// for array returns ptr to array[index] as TYPE_TABLEDATAREF
// else raises an error
if (tableValue.TypeOf() == ValueTypeID.TYPE_TABLEREF)
{
string key = keyValue.GetStringValue();
ValueTable table = (ValueTable)tableValue.GetObjectValue();
ValueTableItem vti = table.Search(key);
if (vti == null)
{
vti = table.Insert(key, new UndefinedValue());
}
ev.RegR = new TableDataRefValue(vti);
}
else
{
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_EXPTYPETABLEREF));
}
}
/*
* O_NEXT
* sp: unchanged
* in: S[top-1] = arrayref
* out: R = arrayref[arrayref->cindex];
* op: if (arrayref->cindex >= arrayref->size) {
* R = END-OF-READ;
* }
* else {
* R = arrayref[arrayref->cindex]; arrayref->cindex++;
* }
*/
public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
// get the array reference
IValue tableValue = ev.Stack.ReadN(ev.Stack.StackTop - 1);
// work with arrays only
if (tableValue.TypeOf() == ValueTypeID.TYPE_TABLEREF)
{
ValueTable table = (ValueTable)tableValue.GetObjectValue();
ValueTableItem vti = table.Next();
if (vti == null)
{
ev.RegR = new DoneValue();
}
else
{
ev.RegR = new TableDataRefValue(vti); // should be TYPE_STOREREF?
}
}
else
{
//Console.WriteLine(">> nextop tableval.type = {0}", tableValue.TypeOf().ToString());
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_EXPTYPETABLEREF));
}
}
/*
* O_NEXT_KEY
* sp: unchanged
* in: S[top-2] = arrayref
* out: R = arrayref->cindex
* op: if (arrayref->cindex >= arrayref->size) {
* R = END-OF-READ;
* }
* else {
* R = arrayref->cindex; arrayref->cindex++;
* }
*/
public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
// get the array reference
IValue tableValue = ev.Stack.ReadN(ev.Stack.StackTop - 2);
// work with arrays only
if (tableValue.TypeOf() == ValueTypeID.TYPE_TABLEREF)
{
ValueTable table = (ValueTable)tableValue.GetObjectValue();
ValueTableItem vti = table.Next();
if (vti == null)
{
ev.RegR = new DoneValue();
}
else
{
ev.RegR = new StringValue(vti.Key);
}
}
else
{
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_EXPTYPETABLEREF));
}
}
/*
* O_FSTORE
* sin: S[top] = varref; S[top-1] = arrayref
* sout: S[top] = arrayref
* in: R = index; S[top] = varref; S[top-1] = arrayref
* out: R = arrayref[index]; S[top] = arrayref;
* op: R = arrayref[index]; store;
*/
public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
// get the array reference
IValue tableValue = ev.Stack.ReadN(ev.Stack.StackTop - 1);
// work with arrays only
if (tableValue.TypeOf() == ValueTypeID.TYPE_TABLEREF)
{
ValueTable table = (ValueTable)tableValue.GetObjectValue();
// if this creates a new array item, foreach fall into a endless loop!
ValueTableItem vti = table.Search(ev.RegR.GetStringValue());
if (vti != null)
{
ev.RegR = new TableDataRefValue(vti);
}
else
{
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_BADKEYINFOREACH));
}
}
else
{
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_EXPTYPETABLEREF));
}
// store the R to the var
// TODO: remove the new opcode creation here
AOpCode storeOpCode = new StoreOpCode(this.line, this.linePosition, TokenID.T_ASSIGN_OP);
storeOpCode.Eval(ev);
}
public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
// second operand (source)
ev.GetVal();
// first operand (destination)
IValue storeValue = ev.Stack.ReadTop();
ev.Stack.Pop(); // pop destination or index
if (storeValue.TypeOf() == ValueTypeID.TYPE_STOREREF)
{
DoStoreOp((ValueStore)storeValue.GetObjectValue(), ev.RegR, variation);
}
else if (storeValue.TypeOf() == ValueTypeID.TYPE_TABLEDATAREF)
{
ValueTableItem vti = (ValueTableItem)storeValue.GetObjectValue();
if (ev.RegR.TypeOf() == ValueTypeID.TYPE_UNDEFINED)
{
ValueTable table = vti.Parent;
table.Delete(vti.Key);
}
else
{
DoTableOp(vti, ev.RegR, variation);
}
}
else
{
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_EXPTYPESTOREREF));
}
}
public override void Register()
{
this.RegisterFunction("strcat", StrCatF, 2);
this.RegisterFunction("nump", NumPF, -1);
//ValueTableItem testObj = this.RegisterObject("testObj");
//testObj.Value = new StringValue("testObj: The test object.");
ValueTableItem gObj = this.RegisterObject(ScriptState.BASE_LF_VAR_NAME);
gObj.Value = new StringValue(System.Environment.NewLine);
}
public override void Eval(EvaluatorState ev)
{
//Console.WriteLine(this.ToString());
if (ev.RegR.TypeOf() == ValueTypeID.TYPE_STOREREF)
{
ValueStore store = (ValueStore)ev.RegR.GetObjectValue();
double number = store.Value.GetNumericValue();
ev.RegR = store.Value;
store.Value = new NumericValue(number + 1.0);
}
else if (ev.RegR.TypeOf() == ValueTypeID.TYPE_TABLEDATAREF)
{
ValueTableItem item = (ValueTableItem)ev.RegR.GetObjectValue();
double number = item.Value.GetNumericValue();
ev.RegR = item.Value;
item.Value = new NumericValue(number + 1.0);
}
else
{
throw new SharpNektonException(new SharpNektonError(SharpNektonErrorID.E_EXPTYPESTOREREF));
}
}
public TableDataRefValue(ValueTableItem valueTableItem)
{
valueType = ValueTypeID.TYPE_TABLEDATAREF;
val = valueTableItem;
}
private void DoTableOp(ValueTableItem dest, IValue b, TokenID variation)
{
dest.Value = DoOperation(dest.Value, b, variation);
}
