public override void EnterGrammarSpec([NotNull] ANTLRv4Parser.GrammarSpecContext context)
{
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
(CombinedScopeSymbol)_pd.RootScope
};
}
public void CollectInfo(CodeSource grammarSource, ANTLRv4Parser.GrammarSpecContext context)
{
GrammarSource = grammarSource;
var walker = new ParseTreeWalker();
walker.Walk(this, context);
}
public static void Main(string[] args)
{
ANTLRv4Lexer lexer = new ANTLRv4Lexer(new ANTLRFileStream("grammars/org/antlr/codebuff/ANTLRv4Lexer.g4"));
CommonTokenStream tokens = new CodeBuffTokenStream(lexer);
ANTLRv4Parser parser = new ANTLRv4Parser(tokens);
ANTLRv4Parser.GrammarSpecContext tree = parser.grammarSpec();
Console.WriteLine(tree.ToStringTree(parser));
}
public override ItemSequence VisitGrammarSpec([NotNull] ANTLRv4Parser.GrammarSpecContext context)
{
string VisitGrammarDecl(ANTLRv4Parser.GrammarDeclContext decl)
{
string type = decl.grammarType().LEXER() != null ? "Lexer" : decl.grammarType().PARSER() != null ? "Parser" : "Combined";
string name = decl.identifier().GetText();
return($"{type} Grammar {name}");
}
string grammarName = VisitGrammarDecl(context.grammarDecl());
var comments = context.DOC_COMMENT().Select(x => x.GetText()).Select(CreateComment).Select(x => Create($"{grammarName} Comment", DiagramOf(x)));
//var prequel = context.prequelConstruct(); NOT YET
var rules = context.rules().ruleSpec().SelectMany(VisitRuleSpec);
var modeSpecs = context.modeSpec().SelectMany(VisitModeSpec);
return(comments.Concat(rules).Concat(modeSpecs));
}
/// <summary>
/// Exit a parse tree produced by <see cref="ANTLRv4Parser.grammarSpec"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitGrammarSpec([NotNull] ANTLRv4Parser.GrammarSpecContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="ANTLRv4Parser.grammarSpec"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitGrammarSpec([NotNull] ANTLRv4Parser.GrammarSpecContext context)
{
return(VisitChildren(context));
}
public override void EnterGrammarSpec([NotNull] ANTLRv4Parser.GrammarSpecContext context)
{
GrammarName = context.identifier().GetText();
}
