/// <summary> /// Visit a parse tree produced by <see cref="Z80EvalParser.multExpr"/>. /// <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 override object VisitMultExpr(Z80EvalParser.MultExprContext context) { if (IsInvalidContext(context)) { return(null); } var expr = (ExpressionNode)VisitUnaryExpr(context.unaryExpr()[0]); var opIndex = 1; for (var i = 1; i < context.unaryExpr().Length; i++) { var rightExpr = VisitUnaryExpr(context.unaryExpr()[i]); var opToken = context.GetTokenText(opIndex); var multExpr = opToken == "*" ? new MultiplyOperationNode() : (opToken == "/" ? new DivideOperationNode() : new ModuloOperationNode() as BinaryOperationNode); multExpr.LeftOperand = expr; multExpr.RightOperand = (ExpressionNode)rightExpr; expr = multExpr; opIndex += 2; } return(expr); }
/// <summary> /// Visit a parse tree produced by <see cref="Z80EvalParser.multExpr"/>. /// <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 VisitMultExpr([NotNull] Z80EvalParser.MultExprContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by <see cref="Z80EvalParser.multExpr"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitMultExpr([NotNull] Z80EvalParser.MultExprContext context) { }