private static void VerifyGetArguments(InvocationExpression invoke)
{
var args = invoke.Arguments;
Assert.Equal(args.Count, invoke.ArgumentCount);
AssertExtensions.Throws <ArgumentOutOfRangeException>("index", () => invoke.GetArgument(-1));
AssertExtensions.Throws <ArgumentOutOfRangeException>("index", () => invoke.GetArgument(args.Count));
for (int i = 0; i != args.Count; ++i)
{
Assert.Same(args[i], invoke.GetArgument(i));
Assert.Equal(i, ((ConstantExpression)invoke.GetArgument(i)).Value);
}
}
protected internal override Expression VisitInvocation(InvocationExpression node)
{
var lambda = node.LambdaOperand;
// optimization: inline code for literal lambda's directly
if (lambda == null)
{
return(base.VisitInvocation(node));
}
// visit the lambda, but treat it like a scope associated with invocation
var createdScope = new CompilerScope(lambda, false);
_tree.Scopes[node] = createdScope;
_scopes.Push(createdScope);
Visit(MergeScopes(lambda));
_scopes.Pop();
// visit the invoke arguments
for (int i = 0, n = node.ArgumentCount; i < n; i++)
{
Visit(node.GetArgument(i));
}
return(node);
}
protected override Expression VisitInvocation(InvocationExpression node)
{
Out("Invoke(");
Visit(node.Expression);
string sep = ", ";
for (int i = 0, n = node.ArgumentCount(); i < n; i++)
{
Out(sep);
Visit(node.GetArgument(i));
}
Out(')');
return(node);
}
private static void VerifyGetArguments(InvocationExpression invoke)
{
var args = invoke.Arguments;
Assert.Equal(args.Count, invoke.ArgumentCount);
Assert.Throws<ArgumentOutOfRangeException>("index", () => invoke.GetArgument(-1));
Assert.Throws<ArgumentOutOfRangeException>("index", () => invoke.GetArgument(args.Count));
for (int i = 0; i != args.Count; ++i)
{
Assert.Same(args[i], invoke.GetArgument(i));
Assert.Equal(i, ((ConstantExpression)invoke.GetArgument(i)).Value);
}
}