/// <summary>
/// Construct new symbol from specified rule context in stated scope with metadata.
/// </summary>
/// <param name="context"> Parse rule context of symbol in parse tree. </param>
/// <param name="scope"> Symbol scope according to parse tree lookup. </param>
/// <param name="meta"> Metadata dictionary. </param>
public SymbolBase(SymbolContext context,
Scope scope,
Dictionary <string, ParserRuleContext> meta = null)
{
_ = context ?? throw new ArgumentNullException(nameof(scope));
Guid = Guid.NewGuid();
Name = context.GetText();
Context = context;
Scope = scope;
Meta = meta ?? new();
}
public override void EnterSymbol([NotNull] SymbolContext context)
{
var e = CreateElementOnStack <Symbol>().Initialize(context.GetText());
GiveChildToParent(e);
}
public override SymbolBase VisitSymbol([NotNull] SymbolContext context) => new SymbolSymbol(context.GetText());
