public override SqlObject VisitLiteral([NotNull] sqlParser.LiteralContext context) { TerminalNodeImpl terminalNode = (TerminalNodeImpl)context.children[0]; SqlLiteral sqlLiteral; switch (terminalNode.Symbol.Type) { case sqlParser.STRING_LITERAL: string value = CstToAstVisitor.GetStringValueFromNode(terminalNode); sqlLiteral = SqlStringLiteral.Create(value); break; case sqlParser.NUMERIC_LITERAL: Number64 number64 = CstToAstVisitor.GetNumber64ValueFromNode(terminalNode); sqlLiteral = SqlNumberLiteral.Create(number64); break; case sqlParser.K_TRUE: sqlLiteral = SqlBooleanLiteral.Create(true); break; case sqlParser.K_FALSE: sqlLiteral = SqlBooleanLiteral.Create(false); break; case sqlParser.K_NULL: sqlLiteral = SqlNullLiteral.Create(); break; case sqlParser.K_UNDEFINED: sqlLiteral = SqlUndefinedLiteral.Create(); break; default: throw new ArgumentOutOfRangeException($"Unknown symbol type: {terminalNode.Symbol.Type}"); } return(sqlLiteral); }
/// <summary> /// Visit a parse tree produced by <see cref="sqlParser.literal"/>. /// <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 VisitLiteral([NotNull] sqlParser.LiteralContext context) { return(VisitChildren(context)); }
public override SqlObject VisitLiteral([NotNull] sqlParser.LiteralContext context) { throw new NotSupportedException(); }
/// <summary> /// Exit a parse tree produced by <see cref="sqlParser.literal"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitLiteral([NotNull] sqlParser.LiteralContext context) { }