public static bool Run(TexlNode node)
{
ChainTrackerVisitor visitor = new ChainTrackerVisitor();
node.Accept(visitor);
return(visitor._usesChains);
}
// Public entry point for prettyprinting TEXL parse trees
public static string PrettyPrint(TexlNode node)
{
Contracts.AssertValue(node);
TexlPretty pretty = new TexlPretty();
return(string.Concat(node.Accept(pretty, Precedence.None)));
}
// Public entry point for prettyprinting TEXL parse trees
public static string Print(TexlNode node, TexlBinding binding = null)
{
Contracts.AssertValue(node);
var pretty = new StructuralPrint(binding);
return(string.Concat(node.Accept(pretty, Precedence.None)));
}
public static HashSet <string> FindDependencies(TexlNode node, TexlBinding binding)
{
var v = new DependencyFinder
{
_binding = binding
};
node.Accept(v);
return(v._vars);
}
public static BinderNodesVisitor Run(TexlNode node)
{
Contracts.AssertValue(node);
var instance = new BinderNodesVisitor(node);
node.Accept(instance);
return(instance);
}
public static TexlNode Run(TexlNode node, int cursorPosition)
{
Contracts.AssertValue(node);
Contracts.Assert(cursorPosition >= 0);
var visitor = new FindNodeVisitor(cursorPosition);
node.Accept(visitor);
return(visitor._result);
}
private LazyList <string> PrettyBinary(string strOp, Precedence parentPrecedence, Precedence precLeft, Precedence precRight, TexlNode left, TexlNode right)
{
Contracts.AssertNonEmpty(strOp);
return(ApplyPrecedence(
parentPrecedence,
precLeft,
left.Accept(this, precLeft)
.With(strOp)
.With(right.Accept(this, precRight))));
}
// Public entry point for prettyprinting TEXL parse trees
public static string Format(TexlNode node, SourceList before, SourceList after, string script)
{
Contracts.AssertValue(node);
var pretty = new PrettyPrintVisitor(script);
var preRegex = string.Concat(pretty.CommentsOf(before)
.With(node.Accept(pretty, new Context(0)))
.With(pretty.CommentsOf(after)))
.Replace("\n\n", "\n");
return(new Regex(@"\n +(\n +)").Replace(preRegex, (Match match) => match.Groups[1].Value));
}