private RouteInherit Visit(InheritAST inheritAST)
{
RouteInherit routeInherit = new RouteInherit();
routeInherit.Name = Visit(inheritAST.Name);
routeInherit.Type = Visit(inheritAST.Type);
if (!(currentScope.Lookup(routeInherit.Type) is TypeSymbol typeSymbol && typeSymbol.Type.Name == "SIGN"))
{
throw logger.Error(new SemanticException(inheritAST.Type.FindToken(), $"{routeInherit.Type} is not a valid signature"));
}
return(routeInherit);
}
private AST Inherit()
{
StringToken nameToken = Eat(TokenType.ID) as StringToken;
AST definitionAST = new WordAST(nameToken);
if (currentToken.Type == TokenType.COLON)
{
Eat(TokenType.COLON);
StringToken typeToken = Eat(TokenType.ID) as StringToken;
WordAST typeAST = new WordAST(typeToken);
definitionAST = new InheritAST(definitionAST as WordAST, typeAST);
}
return(definitionAST);
}
