本文整理汇总了C#中Microsoft.Scripting.Actions.Calls.OverloadResolver.GetSplattedItemExpression方法的典型用法代码示例。如果您正苦于以下问题:C# OverloadResolver.GetSplattedItemExpression方法的具体用法?C# OverloadResolver.GetSplattedItemExpression怎么用?C# OverloadResolver.GetSplattedItemExpression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Microsoft.Scripting.Actions.Calls.OverloadResolver
的用法示例。
在下文中一共展示了OverloadResolver.GetSplattedItemExpression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: ToExpression
internal protected override Expression ToExpression(OverloadResolver resolver, RestrictedArguments args, bool[] hasBeenUsed) {
var actualArgs = resolver.GetActualArguments();
int splatIndex = actualArgs.SplatIndex;
int collapsedCount = actualArgs.CollapsedCount;
int firstSplatted = actualArgs.FirstSplattedArg;
var result = new Expression[2 + _expandedCount + (collapsedCount > 0 ? 2 : 0)];
var arrayVariable = resolver.GetTemporary(_elementType.MakeArrayType(), "a");
int e = 0;
result[e++] = Ast.Assign(arrayVariable, Ast.NewArrayBounds(_elementType, Ast.Constant(_expandedCount + collapsedCount)));
int itemIndex = 0;
int i = _start;
while (true) {
// inject loop copying collapsed items:
if (i == splatIndex) {
var indexVariable = resolver.GetTemporary(typeof(int), "t");
// for (int t = 0; t <= {collapsedCount}; t++) {
// a[{itemIndex} + t] = CONVERT<ElementType>(list.get_Item({splatIndex - firstSplatted} + t))
// }
result[e++] = Ast.Assign(indexVariable, AstUtils.Constant(0));
result[e++] = AstUtils.Loop(
Ast.LessThan(indexVariable, Ast.Constant(collapsedCount)),
// TODO: not implemented in the old interpreter
// Ast.PostIncrementAssign(indexVariable),
Ast.Assign(indexVariable, Ast.Add(indexVariable, AstUtils.Constant(1))),
Ast.Assign(
Ast.ArrayAccess(arrayVariable, Ast.Add(AstUtils.Constant(itemIndex), indexVariable)),
resolver.Convert(
new DynamicMetaObject(
resolver.GetSplattedItemExpression(Ast.Add(AstUtils.Constant(splatIndex - firstSplatted), indexVariable)),
BindingRestrictions.Empty
),
null,
ParameterInfo,
_elementType
)
),
null
);
itemIndex += collapsedCount;
}
if (i >= _start + _expandedCount) {
break;
}
Debug.Assert(!hasBeenUsed[i]);
hasBeenUsed[i] = true;
result[e++] = Ast.Assign(
Ast.ArrayAccess(arrayVariable, AstUtils.Constant(itemIndex++)),
resolver.Convert(args.GetObject(i), args.GetType(i), ParameterInfo, _elementType)
);
i++;
}
result[e++] = arrayVariable;
Debug.Assert(e == result.Length);
return Ast.Block(result);
}