本文整理匯總了C#中System.Environment.SetSymbolValue方法的典型用法代碼示例。如果您正苦於以下問題:C# Environment.SetSymbolValue方法的具體用法?C# Environment.SetSymbolValue怎麽用?C# Environment.SetSymbolValue使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Environment
的用法示例。
在下文中一共展示了Environment.SetSymbolValue方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: ApplySet
public object ApplySet(IList<object> arguments, Environment environment)
{
/*if (arguments.Count != 2)
{
throw new ArgumentException("Wrong number of arguments given to set!! Expected: " + 2);
}*/
var symbol = arguments.ElementAt(0) as SymbolNode;
if (symbol == null)
{
throw new ArgumentException("First argument to set! not a symbol!");
}
// (set! .Name cs-obj "Hello")
if (symbol.Name.First() == '.')
{
var propName = symbol.Name.Substring(1);
var propValue = evaluator.Evaluate(arguments.ElementAt(2), environment);
var target = evaluator.Evaluate(arguments.ElementAt(1), environment);
var otype = target.GetType();
var oproperty = otype.GetProperty(propName);
if (oproperty != null)
{
oproperty.SetValue(target, propValue, null);
return AstNode.MakeNode(propValue);
}
var ofield = otype.GetField(propName);
if (ofield != null)
{
ofield.SetValue(target, propValue);
return AstNode.MakeNode(propValue);
}
throw new ArgumentException(propName + " is not a valid property or field of " + otype);
}
var value = evaluator.Evaluate(arguments.ElementAt(1), environment);
if (!environment.SetSymbolValue(symbol, value))
{
throw new ArgumentException("Symbol '" + symbol.Name + "' not defined!");
}
return value;
}