本文整理汇总了C#中AstExpression.HasNoSideEffects方法的典型用法代码示例。如果您正苦于以下问题：C# AstExpression.HasNoSideEffects方法的具体用法？C# AstExpression.HasNoSideEffects怎么用？C# AstExpression.HasNoSideEffects使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AstExpression的用法示例。
在下文中一共展示了AstExpression.HasNoSideEffects方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: IsSafeForInlineOver
/// <summary>
/// Determines whether it is safe to move 'expressionBeingMoved' past 'expr'
/// </summary>
bool IsSafeForInlineOver(AstExpression expr, AstExpression expressionBeingMoved)
{
switch (expr.Code) {
case AstCode.Ldloc:
AstVariable loadedVar = (AstVariable)expr.Operand;
if (numLdloca.GetOrDefault(loadedVar) != 0) {
// abort, inlining is not possible
return false;
}
foreach (AstExpression potentialStore in expressionBeingMoved.GetSelfAndChildrenRecursive<AstExpression>()) {
if (potentialStore.Code == AstCode.Stloc && potentialStore.Operand == loadedVar)
return false;
}
// the expression is loading a non-forbidden variable
return true;
case AstCode.Ldloca:
case AstCode.Ldflda:
case AstCode.Ldsflda:
case AstCode.Ldelema:
case AstCode.AddressOf:
case AstCode.ValueOf:
case AstCode.NullableOf:
// address-loading instructions are safe if their arguments are safe
foreach (AstExpression arg in expr.Arguments) {
if (!IsSafeForInlineOver(arg, expressionBeingMoved))
return false;
}
return true;
default:
// instructions with no side-effects are safe (except for Ldloc and Ldloca which are handled separately)
return expr.HasNoSideEffects();
}
}