//STEP 1
public override SyntaxNode VisitWhileStatement(WhileStatementSyntax node)
{
var nodeVisited = (WhileStatementSyntax)base.VisitWhileStatement(node);
var condition = nodeVisited.Condition;
if (condition.Kind() == SyntaxKind.IdentifierName)
{
return(nodeVisited);
}
string conditionVarIdentifier = ConditionIdentifier;
var newConditionVar = SyntaxFactoryExtensions.GenerateLocalVariableDeclaration(conditionVarIdentifier,
condition, SyntaxKind.BoolKeyword).NormalizeWhitespace().WithTriviaFrom(nodeVisited);
var newCondition = SyntaxFactory.IdentifierName(conditionVarIdentifier).WithTriviaFrom(condition);
markedNodes.Add(condition);
markedNodes.Add(node);
replacementNodes.Add(new Tuple <ExpressionSyntax, IdentifierNameSyntax, StatementSyntax, WhileStatementSyntax>(condition, newCondition, newConditionVar, node));
return(nodeVisited);
}