public override Verb CreateVerb(string[] tokens)
{
Color(position, tokens[1].Length, KeyWords);
var index = NextPosition;
if (GetExpressionThenBlock(source, index).If(out var conditionExpression, out var resultBlock, out var newIndex))
{
index = newIndex;
var _if = new If(conditionExpression, resultBlock);
var sourceLength = source.Length;
var currentIf = _if;
while (index < sourceLength && parser.Scan(source, index, "^ /(|tabs| 'elseif') /b"))
{
parser.ColorAll(KeyWords);
index = parser.Position;
if (GetExpressionThenBlock(source, index).If(out conditionExpression, out resultBlock, out newIndex))
{
index = newIndex;
var elseIf = new If(conditionExpression, resultBlock);
currentIf.Next = elseIf;
currentIf = elseIf;
}
}
if (parser.Scan(source, index, "^ /(|tabs| 'else') (/r /n | /r | /n) "))
{
parser.ColorAll(KeyWords);
index = parser.Position;
if (GetBlock(source, index, true).If(out resultBlock, out newIndex))
{
_if.ElseBlock = resultBlock;
index = newIndex;
}
else
{
_if.ElseBlock = null;
}
}
var endParser = new EndParser();
if (endParser.Scan(source, index))
{
index = endParser.Position;
}
overridePosition = index;
return(new IfExecute(_if)
{
Index = position
});
}
return(null);
}
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, length, Operators);
var blocks =
from e1 in GetExpression(source, NextPosition, FuncThen())
from e2 in GetExpression(source, e1.position, FuncThen())
from e3 in GetExpression(source, e2.position, FuncEnd())
select(e1.block, e2.block, e3.block, e3.position);
if (blocks.If(out var condition, out var thenExpression, out var elseExpression, out var newPosition))
{
overridePosition = newPosition;
var _if = new If(condition, thenExpression)
{
ElseBlock = elseExpression
};
return(new IfExecute(_if, VerbPrecedenceType.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);
}
