public void PdlGrammarGeneratorShouldCreateGrammarForComplexDefinition()
{
var ebnf =
@"file = ws directives ws ;
ws = [ ows ] ; /* white space */
ows = ""_""; /* obligatory white space */
directives = directive { ows directive };
directive = ""0"" | ""1""; ";
var parser = new PdlParser();
var ebnfDefinition = parser.Parse(ebnf);
var generatedGrammar = GenerateGrammar(ebnfDefinition);
Assert.IsNotNull(generatedGrammar);
var parseEngine = new ParseEngine(generatedGrammar, new ParseEngineOptions(optimizeRightRecursion: true));
var parseTester = new ParseTester(parseEngine);
parseTester.RunParse("_0_1_0_0_1_1_");
}
public void TestProtcolBuffersV3Grammar()
{
var testDirectory = Directory.GetCurrentDirectory();
var ebnfPath = Path.Combine(testDirectory, "Runtime", GrammarFile);
var ebnf = File.ReadAllText(ebnfPath);
var ebnfGenerator = new PdlGrammarGenerator();
var ebnfParser = new PdlParser();
var ebnfDefintion = ebnfParser.Parse(ebnf);
var parseEngine = new ParseEngine(ebnfGenerator.Generate(ebnfDefintion));
var inputPath = Path.Combine(testDirectory, "Runtime", ProtoFile);
var input = File.ReadAllText(inputPath);
var parseRunner = new ParseRunner(parseEngine, input);
while (!parseRunner.EndOfStream())
{
Assert.IsTrue(parseRunner.Read());
}
Assert.IsTrue(parseRunner.ParseEngine.IsAccepted());
}
private static PdlDefinition Parse(string input)
{
var pdlParser = new PdlParser();
return(pdlParser.Parse(input));
}
