本文整理汇总了C#中ILExpression.GetSelfAndChildrenRecursive方法的典型用法代码示例。如果您正苦于以下问题：C# ILExpression.GetSelfAndChildrenRecursive方法的具体用法？C# ILExpression.GetSelfAndChildrenRecursive怎么用？C# ILExpression.GetSelfAndChildrenRecursive使用的例子？那么恭喜您, 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ILExpression的用法示例。
在下文中一共展示了ILExpression.GetSelfAndChildrenRecursive方法的4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: TransformExpression
AstNode TransformExpression(ILExpression expr)
{
AstNode node = TransformByteCode(expr);
Expression astExpr = node as Expression;
// get IL ranges - used in debugger
List<ILRange> ilRanges = ILRange.OrderAndJoint(expr.GetSelfAndChildrenRecursive<ILExpression>().SelectMany(e => e.ILRanges));
AstNode result;
if (astExpr != null)
result = Convert(astExpr, expr.InferredType, expr.ExpectedType);
else
result = node;
if (result != null)
return result.WithAnnotation(ilRanges);
return result;
}示例2: IsSafeForInlineOver
/// <summary>
/// Determines whether it is safe to move 'expressionBeingMoved' past 'expr'
/// </summary>
bool IsSafeForInlineOver(ILExpression expr, ILExpression expressionBeingMoved)
{
switch (expr.Code) {
case ILCode.Ldloc:
ILVariable loadedVar = (ILVariable)expr.Operand;
if (numLdloca.GetOrDefault(loadedVar) != 0) {
// abort, inlining is not possible
return false;
}
foreach (ILExpression potentialStore in expressionBeingMoved.GetSelfAndChildrenRecursive<ILExpression>(list_ILExpression)) {
if (potentialStore.Code == ILCode.Stloc && potentialStore.Operand == loadedVar)
return false;
}
// the expression is loading a non-forbidden variable
return true;
case ILCode.Ldloca:
case ILCode.Ldflda:
case ILCode.Ldsflda:
case ILCode.Ldelema:
case ILCode.AddressOf:
case ILCode.ValueOf:
case ILCode.NullableOf:
// address-loading instructions are safe if their arguments are safe
foreach (ILExpression 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();
}
}示例3: SetResult
static void SetResult(ILExpression expr, ILExpression n)
{
// IL ranges from removed nodes are assigned to the new operator expression
var removednodes = expr.GetSelfAndChildrenRecursive<ILExpression>().Except(n.GetSelfAndChildrenRecursive<ILExpression>());
n.ILRanges.AddRange(removednodes.SelectMany(el => el.ILRanges));
// the new expression is wrapped in a container so that negations aren't pushed through lifted comparison operations
expr.Code = ILCode.Wrap;
expr.Arguments.Clear();
expr.Arguments.Add(n);
expr.ILRanges.Clear();
expr.InferredType = n.InferredType;
}示例4: IsSafeForInlineOver
/// <summary>
/// Determines whether it is save to move 'expressionBeingMoved' past 'expr'
/// </summary>
bool IsSafeForInlineOver(ILExpression expr, ILExpression expressionBeingMoved)
{
switch (expr.Code) {
case ILCode.Ldloc:
ILVariable loadedVar = (ILVariable)expr.Operand;
if (numLdloca.GetOrDefault(loadedVar) != 0) {
// abort, inlining is not possible
return false;
}
foreach (ILExpression potentialStore in expressionBeingMoved.GetSelfAndChildrenRecursive().OfType<ILExpression>()) {
if (potentialStore.Code == ILCode.Stloc && potentialStore.Operand == loadedVar)
return false;
}
// the expression is loading a non-forbidden variable
return true;
case ILCode.Ldloca:
case ILCode.Ldflda:
case ILCode.Ldsflda:
case ILCode.Ldelema:
// address-loading instructions are safe if their arguments are safe
foreach (ILExpression arg in expr.Arguments) {
if (!IsSafeForInlineOver(arg, expressionBeingMoved))
return false;
}
return true;
default:
// abort, inlining is not possible
return false;
}
}