public static IParseTree <Symbol> Build(Source.IOrigin origin)
{
var sanitizedTokens = SanitizedTokens(origin);
// Assume every list from tupple is of size 1 !!!
var leafs = sanitizedTokens.Select(r => {
Debug.Assert(r.Item2.Count() == 1);
return(new ParseLeaf <Symbol>(r.Item1, new Symbol(r.Item2.First())));
});
var grammar = new Grammar <Symbol>(
NicodemGrammarProductions.StartSymbol(),
NicodemGrammarProductions.MakeProductionsDictionaryForGrammarConstructor());
var parser = new LlParser <Symbol>(grammar);
var parseRes = parser.Parse(leafs);
if (parseRes is OK <Symbol> )
{
return((parseRes as OK <Symbol>).Tree);
}
else
{
var err = parseRes as Error <Symbol>;
Console.WriteLine(ParserUtils <Symbol> .PrepareErrorMessage(err));
return(null);
}
}
public void Init()
{
TestsTraceListener.Setup();
builder = new ASTBuilder();
grammar = new Grammar <Symbol>(
NicodemGrammarProductions.StartSymbol(),
NicodemGrammarProductions.MakeProductionsDictionaryForGrammarConstructor());
dummyFrag = new DummyFragment("dummy");
dummyProd = null;
operatorSymbol = new UniversalSymbol[] {
P.Operator0Expression,
P.Operator1Expression,
P.Operator2Expression,
P.Operator3Expression,
P.Operator4Expression,
P.Operator5Expression,
P.Operator6Expression,
P.Operator7Expression,
P.Operator8Expression,
P.Operator9Expression,
P.Operator10Expression,
P.Operator11Expression,
P.Operator12Expression,
P.Operator13Expression,
P.Operator14Expression,
P.Operator15Expression,
P.Operator16Expression,
P.Operator17Expression,
P.Operator18Expression,
P.Operator19Expression
};
}
private static Grammar <Symbol> MakeGrammar()
{
return(new Grammar <Symbol>(
NicodemGrammarProductions.StartSymbol(),
NicodemGrammarProductions.MakeProductionsDictionaryForGrammarConstructor()));
}
