public bool Parse(IParser parser)
{
dynamic result = parser.Parse();
try
{
ClassTable = result.ClassTable;
Nodes = new NodeCollection
{
Axiom = result.Axiom,
SortedNodes = result.SortedNodes,
UnsortedNodes = result.UnsortedNodes,
};
HasLeftRecursion = result.HasLeftRecursion;
UnclassifiedTerminals = result.UnclassifiedTerminals;
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
}
public FiniteAutomatonParser(IClassTable classTable, INodeCollection nodes, IEnumerable <string> unclassifiedTerminals)
{
this.classTable = classTable;
this.nodes = nodes;
this.unclassifiedTerminals = unclassifiedTerminals;
}
public bool Load()
{
throw new NotImplementedException();
try
{
var doc = XDocument.Load(Configuration.Path.GrammarXml);
var root = doc.Element("grammar");
UnclassifiedTerminals = root.Element("unclassified-terminals").Elements()
.Select(n => n.Value).ToList();
var classTable = root.Element("class-table");
var whiteDelimiters = classTable.Attribute("white-delimiters").Value
.Replace("\\n", "\n")
.Replace("\\r", "\r")
.Replace("\\n", "\n");
var unclassifiedTokenClass = classTable.Attribute("unclassified-token-class-name").Value;
var undefinedTokenClass = classTable.Attribute("undefined-token-class-name").Value;
var symbolClasses = classTable.Element("symbol-classes").Elements()
.Select(n => (n.Attribute("name").Value, n.Attribute("symbols").Value))
.ToDictionary(n => n.Item1, n => n.Item2);
var tokenClasses = classTable.Element("token-classes").Elements()
.Select(n => (n.Attribute("name").Value, int.Parse(n.Attribute("id").Value)));
ClassTable = new GrammarParser.ClassTable
{
WhiteDelimiters = whiteDelimiters,
UnclassifiedTokenClassName = unclassifiedTokenClass,
UndefinedTokenClassName = undefinedTokenClass,
SymbolClasses = symbolClasses,
TokenClasses = new Map <string, int>(tokenClasses),
};
HasLeftRecursion = bool.Parse(root.Attribute("has-left-recursion").Value);
var nodesElement = root.Element("nodes");
var nodes = new Dictionary <int, INode>();
var terminals = nodesElement.Elements("t");
var classes = nodesElement.Elements("nt")
.Where(n => n.Attribute("is-class") != null);
var definedTokens = nodesElement.Elements("nt")
.Where(n => n.Attribute("is-defined-token") != null);
var mediums = nodesElement.Elements("nt")
.Except(classes)
.Except(definedTokens);
foreach (var terminal in terminals)
{
int id = int.Parse(terminal.Attribute("id").Value);
nodes[id] = new Terminal
{
Id = id,
IsControl = bool.Parse(terminal.Attribute("is-control").Value),
Name = terminal.Attribute("name").Value,
};
}
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
throw new NotImplementedException();
}
//private static void SaveFiniteAutomaton(string path, IFiniteAutomaton automaton)
//{
// var states = automaton.States.Select(n =>
// {
// var links = n.Value.Links.Select(m => $"{m.Key,-20} {m.Value,-20}");
// $"{n.Key,-20} {string.Join("",links)}"
// })
//}
private static void SaveClassTable(string path, IClassTable classTable)
{
WriteAllLines(path, classTable.SymbolClasses.Select(n => $"{n.Key,-20} {n.Value,-20}"));
}
public TokenParser(INodeCollection nodes, IClassTable classTable, IFiniteAutomaton finiteAutomaton)
{
this.nodes = nodes;
this.classTable = classTable;
this.finiteAutomaton = finiteAutomaton;
}