/// <summary> /// Visit a parse tree produced by <see cref="Generated.Z80TestParser.addExpr"/>. /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public override object VisitAddExpr(Z80TestParser.AddExprContext context) { if (IsInvalidContext(context)) { return(null); } var expr = (ExpressionNode)VisitMultExpr(context.multExpr()[0]); var opIndex = 1; for (var i = 1; i < context.multExpr().Length; i++) { var rightExpr = VisitMultExpr(context.multExpr()[i]); var opToken = context.GetTokenText(opIndex); var addExpr = opToken == "+" ? new AddOperationNode(context) : new SubtractOperationNode(context) as BinaryOperationNode; addExpr.LeftOperand = expr; addExpr.RightOperand = (ExpressionNode)rightExpr; expr = addExpr; opIndex += 2; } return(expr); }
/// <summary> /// Exit a parse tree produced by <see cref="Z80TestParser.addExpr"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitAddExpr([NotNull] Z80TestParser.AddExprContext context) { }
/// <summary> /// Visit a parse tree produced by <see cref="Z80TestParser.addExpr"/>. /// <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 VisitAddExpr([NotNull] Z80TestParser.AddExprContext context) { return(VisitChildren(context)); }