public ScriptVar MathsOp(ScriptVar b, ScriptLex.LexTypes op)
{
ScriptVar a = this;
char opc = (char)op;
if (op == ScriptLex.LexTypes.TypeEqual || op == ScriptLex.LexTypes.NTypeEqual)
{
bool equal = ((a._flags & Flags.VarTypeMask) == (b._flags & Flags.VarTypeMask));
if (equal)
{
ScriptVar contents = a.MathsOp(b, ScriptLex.LexTypes.Equal);
if (!contents.GetBool())
{
equal = false;
}
}
if (op == ScriptLex.LexTypes.TypeEqual)
{
return(new ScriptVar(equal));
}
return(new ScriptVar(!equal));
}
if (a.IsUndefined && b.IsUndefined)
{
if (op == ScriptLex.LexTypes.Equal)
{
return(new ScriptVar(true));
}
if (op == ScriptLex.LexTypes.NEqual)
{
return(new ScriptVar(false));
}
return(new ScriptVar());
}
if ((a.IsNumeric || a.IsUndefined) && (b.IsNumeric || b.IsUndefined))
{
if (!a.IsDouble && !b.IsDouble)
{
//ints
int da = a.GetInt();
int db = b.GetInt();
switch (opc)
{
case '+': return(new ScriptVar(da + db));
case '-': return(new ScriptVar(da - db));
case '*': return(new ScriptVar(da * db));
case '/': return(new ScriptVar(da / db));
case '&': return(new ScriptVar(da & db));
case '|': return(new ScriptVar(da | db));
case '^': return(new ScriptVar(da ^ db));
case '%': return(new ScriptVar(da % db));
case (char)ScriptLex.LexTypes.Equal: return(new ScriptVar(da == db));
case (char)ScriptLex.LexTypes.NEqual: return(new ScriptVar(da != db));
case '<': return(new ScriptVar(da < db));
case (char)ScriptLex.LexTypes.LEqual: return(new ScriptVar(da <= db));
case '>': return(new ScriptVar(da > db));
case (char)ScriptLex.LexTypes.GEqual: return(new ScriptVar(da >= db));
default: throw new ScriptException("Operation not supported on the Int datatype");
}
}
else
{
//doubles
double da = a.GetDouble();
double db = b.GetDouble();
switch (opc)
{
case '+': return(new ScriptVar(da + db));
case '-': return(new ScriptVar(da - db));
case '*': return(new ScriptVar(da * db));
case '/': return(new ScriptVar(da / db));
case (char)ScriptLex.LexTypes.Equal: return(new ScriptVar(da == db));
case (char)ScriptLex.LexTypes.NEqual: return(new ScriptVar(da != db));
case '<': return(new ScriptVar(da < db));
case (char)ScriptLex.LexTypes.LEqual: return(new ScriptVar(da <= db));
case '>': return(new ScriptVar(da > db));
case (char)ScriptLex.LexTypes.GEqual: return(new ScriptVar(da >= db));
default: throw new ScriptException("Operation not supported on the Int datatype");
}
}
}
if (a.IsArray)
{
switch (op)
{
case ScriptLex.LexTypes.Equal: return(new ScriptVar(a == b));
case ScriptLex.LexTypes.NEqual: return(new ScriptVar(a != b));
default: throw new ScriptException("Operation not supported on the Array datatype");
}
}
if (a.IsObject)
{
switch (op)
{
case ScriptLex.LexTypes.Equal: return(new ScriptVar(a == b));
case ScriptLex.LexTypes.NEqual: return(new ScriptVar(a != b));
default: throw new ScriptException("Operation not supported on the Object datatype");
}
}
string sda = a.GetString();
string sdb = b.GetString();
switch (opc)
{
case '+': return(new ScriptVar(sda + sdb, Flags.String));
case (char)ScriptLex.LexTypes.Equal: return(new ScriptVar(sda == sdb));
case (char)ScriptLex.LexTypes.NEqual: return(new ScriptVar(sda != sdb));
case '<': return(new ScriptVar(String.CompareOrdinal(sda, sdb) < 0));
case (char)ScriptLex.LexTypes.LEqual: return(new ScriptVar((String.CompareOrdinal(sda, sdb) < 0) || sda == sdb));
case '>': return(new ScriptVar(String.CompareOrdinal(sda, sdb) > 0));
case (char)ScriptLex.LexTypes.GEqual: return(new ScriptVar((String.CompareOrdinal(sda, sdb) > 0) || sda == sdb));
default: throw new ScriptException("Operation not supported on the String datatype");
}
}