private BuildResult <Parser <JsonToken, JSon> > BuildEbnfJsonParser()
{
var parserInstance = new EbnfJsonParser();
var builder = new ParserBuilder <JsonToken, JSon>();
var result =
builder.BuildParser(parserInstance, ParserType.EBNF_LL_RECURSIVE_DESCENT, "root");
return(result);
}
private static void testGenericLexerJson()
{
var sw = new Stopwatch();
var source = File.ReadAllText("test.json");
var wp = new EbnfJsonParser();
sw.Reset();
sw.Start();
var wbuilder = new ParserBuilder <JsonToken, JSon>();
var buildResult = wbuilder.BuildParser(wp, ParserType.EBNF_LL_RECURSIVE_DESCENT, "root");
var parser = buildResult.Result;
var r = parser.Parse(source);
sw.Stop();
Console.WriteLine($"json regex parser : {sw.ElapsedMilliseconds} ms");
if (r.IsError)
{
r.Errors.ForEach(e => Console.WriteLine(e.ToString()));
}
sw.Reset();
sw.Start();
wbuilder = new ParserBuilder <JsonToken, JSon>();
buildResult = wbuilder.BuildParser(wp, ParserType.EBNF_LL_RECURSIVE_DESCENT, "root");
parser = buildResult.Result;
parser.Lexer = new JSONLexer();
r = parser.Parse(source);
Console.WriteLine($"json hard coded lexer : {sw.ElapsedMilliseconds} ms");
sw.Stop();
sw.Reset();
sw.Start();
var wpg = new EbnfJsonGenericParser();
var wbuilderGen = new ParserBuilder <JsonTokenGeneric, JSon>();
var buildResultgen = wbuilderGen.BuildParser(wpg, ParserType.EBNF_LL_RECURSIVE_DESCENT, "root");
var parserGen = buildResultgen.Result;
var rGen = parserGen.Parse(source);
sw.Stop();
Console.WriteLine($"json generic parser : {sw.ElapsedMilliseconds} ms");
if (rGen.IsError)
{
rGen.Errors.ForEach(e => Console.WriteLine(e.ToString()));
}
;
}