public override int VisitExprUnaryOp(AsmParser.ExprUnaryOpContext context) { int rhs = Visit(context.rhs); switch (context.oper.Text) { case "+": return(rhs); case "-": return(-rhs); default: throw new InvalidOperationException("Unsupported unary operator"); } }
/// <summary> /// Visit a parse tree produced by <see cref="AsmParser.ExprUnaryOp"/>. /// <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 VisitExprUnaryOp([NotNull] AsmParser.ExprUnaryOpContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by <see cref="AsmParser.ExprUnaryOp"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitExprUnaryOp([NotNull] AsmParser.ExprUnaryOpContext context) { }