clayborg added inline comments.

================
Comment at: include/lldb/API/SBTraceOptions.h:38
+  /// They should be formatted as a JSON Array.
+  void setTraceParams(lldb::SBStream &params);
+
----------------
ravitheja wrote:
> clayborg wrote:
> > This should probably be:
> > 
> > ```
> > void setTraceParams(lldb::SBStructuredData &params);
> > ```
> > 
> > Then we can add extra functions to SBStructuredData that allow you 
> > construct one from XML, JSON, Apple plist, or any other structured data.
> Hi, this would also mean we make SBTraceOptions a friend class of 
> SBStructuredData so that we can get access to the StructuredDataObject inside 
> ?
Yeah you need a way for internal clients to get the StructuredData::ObjectSP 
from the SBStructuredData. You probably need to allow access to the 
StructuredDataImpl class that is currently defined in SBStructuredData.cpp. So 
a few things need to happen:

- move StructuredDataImpl somewhere into its own internal header file so that 
other clients in LLDB can access it
- make a protected member function in SBStructuredData that hands out a 
"StructuredDataImpl *" to allow clients to access it
- anyone that needs to get to the StructuredData::ObjectSP will then call a new 
accessor that must be added on StructuredDataImpl to retrieve it
- add new ways to load the SBStructuredData from JSON (something like 
SBStructuredData::SetFromJSON(...))



https://reviews.llvm.org/D29581



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