[lldb-dev] EvaluateExpression has trailing error

[Greg Clayton via lldb-dev]

The type name for "Ty" might have a newline in it. Try this:


   res = frame.EvaluateExpression("%s->dump()" % command)
   print >>result, 'typename = "%s"' % (res.GetType().GetName())
   print >>result, res

See if the double quote is on the next line.

> On Aug 22, 2015, at 11:58 AM, Ramkumar Ramachandra via lldb-dev <lldb-dev at lists.llvm.org> wrote:
> 
> Hi,
> 
> My script is simple enough:
> 
> import lldb
> 
> def pp(debugger, command, result, internal_dict):
>    target = debugger.GetSelectedTarget()
>    process = target.GetProcess()
>    thread = process.GetSelectedThread()
>    frame = thread.GetSelectedFrame()
>    res = frame.EvaluateExpression("%s->dump()" % command)
>    print >>result, res
> 
> def __lldb_init_module(debugger, internal_dict):
>    debugger.HandleCommand('command script add -f llvm_pp.pp pp')
>    print "Command pp installed"
> 
> However, when I execute it:
> 
> (lldb) pp Ty
> Fn(Void -> Int)*
> = <unknown error>
> 
> When I use res.GetSummary() in place of res, I get "None" instead of
> the error. What is this trailing data anyway, and how do I get rid of
> it?
> 
> Thanks.
> 
> Ram
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