public static EV3Type ConvertToArray(this EV3Type type)
{
if (!type.IsArray())
{
return((EV3Type)((int)type + ARRAY_OFFSET));
}
else
{
return(type);
}
}
public static EV3Type BaseType(this EV3Type type)
{
if (type.IsArray())
{
return((EV3Type)((int)type - ARRAY_OFFSET));
}
else
{
return(type);
}
}
protected override string CalculateValue()
{
if (LeftCompiler.IsLiteral && RightCompiler.IsLiteral)
{
EV3Type commonType = CalculateCommonType(LeftCompiler.Type, RightCompiler.Type);
if (commonType.IsArray() || commonType == EV3Type.Unknown)
{
return(null);
}
if (commonType.IsNumber())
{
float leftValue = SmallBasicExtensions.ParseFloat(LeftCompiler.Value);
float rightValue = SmallBasicExtensions.ParseFloat(RightCompiler.Value);
switch (ParentExpression.Operator.Token)
{
case Token.Addition:
return(SmallBasicExtensions.FormatFloat(leftValue + rightValue));
case Token.Subtraction:
return(SmallBasicExtensions.FormatFloat(leftValue - rightValue));
case Token.Division:
return(SmallBasicExtensions.FormatFloat(leftValue / rightValue));
case Token.Multiplication:
return(SmallBasicExtensions.FormatFloat(leftValue * rightValue));
}
}
else
{
if (ParentExpression.Operator.Token == Token.Addition)
{
string leftValue = LeftCompiler.Value.Trim('\'');
if (LeftCompiler.Type.IsNumber())
{
leftValue = SmallBasicExtensions.FormatFloat(leftValue);
}
string rightValue = RightCompiler.Value.Trim('\'');
if (RightCompiler.Type.IsNumber())
{
rightValue = SmallBasicExtensions.FormatFloat(rightValue);
}
return('\'' + leftValue + rightValue + '\'');
}
}
}
return(null);
}
protected EV3Type CalculateCommonType(EV3Type type1, EV3Type type2)
{
if (type1.BaseType() == type2.BaseType())
{
if (type1.IsArray())
{
return(type1);
}
return(type2);
}
if (type1.BaseType().IsNumber() && type2.BaseType().IsNumber())
{
return(EV3Type.Float);
}
if ((type1.BaseType().IsNumber() && type2.BaseType() == EV3Type.String) || (type1.BaseType() == EV3Type.String && type2.BaseType().IsNumber()))
{
return(EV3Type.String);
}
return(EV3Type.Unknown);
}
public static bool IsArrayOf(this EV3Type type, EV3Type baseType)
{
return(type.IsArray() && type.BaseType() == baseType);
}
