public override Verb CreateVerb(string[] tokens)
{
Color(position, tokens[1].Length, Whitespaces);
Color(tokens[2].Length, KeyWords);
if (GetExpression(source, NextPosition, Stop.IfThen()).If(out var condition, out var i) &&
GetExpression(source, i, Stop.IfElse()).If(out var ifTrue, out var j) &&
GetExpression(source, j, Stop.IfEnd()).If(out var ifFalse, out var k))
{
overridePosition = k;
var ifResult = new If(condition, ifTrue)
{
ElseBlock = ifFalse
};
return(new IfExecute(ifResult, VerbPresidenceType.Push));
}
return(null);
}
public override Verb CreateVerb(string[] tokens)
{
Color(position, tokens[1].Length, Whitespaces);
Color(tokens[2].Length, KeyWords);
var expressions =
from e1 in GetExpression(source, NextPosition, Stop.IfThen())
from e2 in GetExpression(source, e1.position, Stop.IfElse())
from e3 in GetExpression(source, e2.position, Stop.IfEnd())
select(e1.block, e2.block, e3.block, e3.position);
if (expressions.If(out var condition, out var ifTrue, out var ifFalse, out var newPosition))
{
overridePosition = newPosition;
var ifResult = new If(condition, ifTrue)
{
ElseBlock = ifFalse
};
return(new IfExecute(ifResult, VerbPrecedenceType.Push));
}
return(null);
}