<div dir="ltr">Jim,<div><br></div><div>That doesn't seem to work for us. We're using lldb packaged with Xcode 8 fyi.</div><div>







<p class="gmail-p1"><span class="gmail-s1">(lldb) expr --top-level -- NSString *string = [NSString stringWithUTF8String: "This is a string"];</span></p>
<p class="gmail-p2"><span class="gmail-s1"></span><br></p>
<p class="gmail-p1"><span class="gmail-s1">; Function Attrs: nounwind</span></p>
<p class="gmail-p1"><span class="gmail-s1">define internal void @_GLOBAL__sub_I__null_() #0 section "__TEXT,__StaticInit,regular,pure_instructions" {</span></p>
<p class="gmail-p1"><span class="gmail-s1">  call void @__cxx_global_var_init()</span></p>
<p class="gmail-p1"><span class="gmail-s1">  ret void</span></p>
<p class="gmail-p1"><span class="gmail-s1">}</span></p></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 4, 2016 at 4:09 PM, Jim Ingham <span dir="ltr"><<a href="mailto:jingham@apple.com" target="_blank">jingham@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This isn't an issue with ObjC support in general, but rather shows that ObjC string constants are odd beasts.  You can work around this pretty easily by making dynamic strings:<br>
<br>
(lldb) expr --top-level -- NSString *string = [NSString stringWithUTF8String: "This is a string"];<br>
(lldb) expr string<br>
(__NSCFString *) $0 = 0x00000001002001b0 @"This is a string"<br>
<br>
Please file a bug about the problem with ObjC constant strings.<br>
<br>
Jim<br>
<span class=""><br>
<br>
> On Oct 4, 2016, at 3:57 PM, Rex Fenley via lldb-dev <<a href="mailto:lldb-dev@lists.llvm.org">lldb-dev@lists.llvm.org</a>> wrote:<br>
><br>
> Hey lldb team!<br>
><br>
> I'm trying to use `expr --top-level` from lldb in Xcode but it throws errors like the following:<br>
><br>
> (lldb) expression --top-level -- NSString *str = @"This is a string";<br>
> Error [IRForTarget]: Couldn't replace an Objective-C constant string with a dynamic string<br>
> error: cannot import unsupported AST node ObjCStringLiteral<br>
> error: The expression could not be prepared to run in the target<br>
><br>
> It seems like top-level only supports raw C code and not Objective-C. Is there an option we can set to support this? Is there somewhere in lldb's source code that could help point us to fixing this?<br>
><br>
> Thank you, you guys rule!<br>
><br>
> --<br>
> Rex Fenley  |  IOS DEVELOPER<br>
><br>
><br>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span><p dir="ltr" style="line-height:1.15;margin-top:0pt;margin-bottom:0pt"><span style="font-size:16px;font-family:Arial;background-color:transparent;font-style:italic;vertical-align:baseline;white-space:pre-wrap">Rex Fenley</span><span style="font-size:16px;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">  </span><span style="font-size:11px;font-family:Arial;color:rgb(153,153,153);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">|</span><span style="line-height:1.15;font-family:Arial;color:rgb(153,153,153);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">  </span><span style="font-size:11px;font-family:Arial;color:rgb(153,153,153);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">IOS DEVELOPER</span><br></p></span><span><br><p dir="ltr" style="line-height:1.15;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11px;font-family:Arial;color:rgb(153,153,153);vertical-align:baseline;white-space:pre-wrap;background-color:transparent"><img src="https://lh5.googleusercontent.com/xMgzw3JkFL3DLkdwyq0WxJzKs_XP57gVVCaBMvgi1FKCjSeue0xdx3JZeCWBlxN4KRHhHOfdvJbc1N-AjTwXcKIq4cjJg9H7iaFpQ8WbO4N3c9Y5dzi19cPOs_owPquuqw" width="250px;" height="53px;" style="border:none"></span></p><p dir="ltr" style="line-height:1.15;margin-top:0pt;margin-bottom:0pt"><a href="https://www.remind.com/" style="text-decoration:none" target="_blank"><span style="font-size:11px;font-family:Arial;color:rgb(17,85,204);font-weight:bold;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Remind.com</span></a><span style="font-family:Arial;vertical-align:baseline;white-space:pre-wrap;background-color:transparent"> </span><span style="font-size:11px;font-family:Arial;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">|  </span><a href="http://blog.remind.com/" style="text-decoration:none" target="_blank"><span style="font-size:11px;font-family:Arial;color:rgb(17,85,204);text-decoration:underline;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">BLOG</span></a><span style="font-size:11px;font-family:Arial;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">  |  </span><a href="https://twitter.com/remindhq" style="text-decoration:none" target="_blank"><span style="font-size:11px;font-family:Arial;color:rgb(17,85,204);text-decoration:underline;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">FOLLOW US</span></a><span style="font-size:11px;font-family:Arial;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">  | </span><span style="font-family:Arial;vertical-align:baseline;white-space:pre-wrap;background-color:transparent"> </span><span style="text-decoration:underline;font-size:11px;font-family:Arial;color:rgb(17,85,204);vertical-align:baseline;white-space:pre-wrap;background-color:transparent"><a href="https://www.facebook.com/remindhq" style="text-decoration:none" target="_blank">LIKE US</a></span></p></span></div></div>
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