public List <NodeParser> PathTo(NodeParser lookingFor)
{
if (this == lookingFor)
{
return new List <NodeParser>()
{
this
}
}
;
if (this is IContainsChildren containsChildren)
{
foreach (NodeParser child in containsChildren.Children)
{
List <NodeParser> path = child.PathTo(lookingFor);
if (path.Count() > 0)
{
path.Insert(0, this);
return(path);
}
}
}
return(new List <NodeParser>());
}
public string ToStringRecursively(NodeParser highlighted = null, bool enableHighlighting = true)
{
List <NodeParser> referenced = new List <NodeParser>();
StringBuilder builder = new StringBuilder();
this.ToStringRecursively(builder, indent: "", isLast: true, referenced, highlighted, enableHighlighting);
return(builder.ToString());
}
public static ManyNodeParser MakeMany(NodeParser parser) => new ManyNodeParser(parser);
public ManyNodeParser(NodeParser parser, bool allowEmpty = true)
{
this.Parser = parser;
this.allowEmpty = allowEmpty;
}
public static ForeverNodeParser Forever(NodeParser parser) => new ForeverNodeParser(parser);
public ForeverNodeParser(NodeParser parser)
{
this.Parser = parser;
}
private void ToStringRecursively(StringBuilder builder, string indent, bool isLast, List <NodeParser> referenced, NodeParser highlighted, bool enableHighlighting)
{
if (this is ReferenceNodeParser referenceNodeParser)
{
NodeParser referencedParser = referenceNodeParser.Referenced;
referencedParser.ToStringRecursively(builder, indent, isLast, referenced, highlighted, enableHighlighting);
return;
}
builder.Append(indent);
if (isLast)
{
builder.Append(Corner);
indent += Space;
}
else
{
builder.Append(Cross);
indent += Vertical;
}
if (referenced.Contains(this))
{
string referencedLine = enableHighlighting ? $"{Output.BrightMagenta("referenced")}({this.formattedName(enableHighlighting)})" : $"referenced({this.formattedName(enableHighlighting)})";
if (highlighted == this)
{
builder.AppendLine(enableHighlighting ? referencedLine.Reversed() : referencedLine);
}
else
{
builder.AppendLine(referencedLine);
}
return;
}
referenced.Add(this);
string prefix = this.formattedName(enableHighlighting);
if (this.name != null)
{
prefix += enableHighlighting ? Output.BrightGreen(":") : ":";
}
string fullLine = $"{prefix}{this.ToString()}";
if (highlighted == this)
{
builder.AppendLine(enableHighlighting ? $"{fullLine.Reversed()}{Output.Red(" <------ current parser")}" : $"{fullLine} <------ current parser");
}
else
{
builder.AppendLine(fullLine);
}
if (this is IContainsChildren recursiveNode)
{
IEnumerable <NodeParser> children = recursiveNode.Children.Except(referenced);
int childrenCount = children.Count();
IEnumerable <(NodeParser Child, bool)> joinedWithLast = children.Select((Child, Index) => (Child, Index == childrenCount - 1));
foreach ((NodeParser child, bool childIsLast) in joinedWithLast)
{
child.ToStringRecursively(builder, indent, childIsLast, referenced, highlighted, enableHighlighting);
}
}
}
public MaybeNodeParser(NodeParser parser)
{
this.Parser = parser;
}
public static MaybeNodeParser Maybe(NodeParser parser) => new MaybeNodeParser(parser);
public static WhileNodeParser While(NodeParser parser) => new WhileNodeParser(parser);
public WhileNodeParser(NodeParser parser)
{
this.Parser = parser;
}
public FailedParsingResult(SourceLocation location, NodeParser parser) : base(parser, success: true)
{
this.location = location;
}
public SuccessfulParsingResult(SourceContext context, NodeParser parser) : base(parser, success: true)
{
this.Context = context;
}
public ParsingResult(NodeParser parser, bool success)
{
this.Parser = parser;
this.Success = success;
}