Index: include/lldb/Breakpoint/Breakpoint.h
===================================================================
--- include/lldb/Breakpoint/Breakpoint.h
+++ include/lldb/Breakpoint/Breakpoint.h
@@ -26,7 +26,7 @@
 #include "lldb/Breakpoint/Stoppoint.h"
 #include "lldb/Core/Event.h"
 #include "lldb/Core/SearchFilter.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/StringList.h"
 
 namespace lldb_private {
Index: include/lldb/Breakpoint/BreakpointOptions.h
===================================================================
--- include/lldb/Breakpoint/BreakpointOptions.h
+++ include/lldb/Breakpoint/BreakpointOptions.h
@@ -17,7 +17,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/Baton.h"
 #include "lldb/Utility/StringList.h"
 #include "lldb/lldb-private.h"
Index: include/lldb/Core/Event.h
===================================================================
--- include/lldb/Core/Event.h
+++ include/lldb/Core/Event.h
@@ -11,7 +11,7 @@
 #define liblldb_Event_h_
 
 #include "lldb/Core/Broadcaster.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Host/Predicate.h"
 #include "lldb/Utility/ConstString.h"
 #include "lldb/lldb-defines.h" // for DISALLOW_COPY_AND_ASSIGN
Index: include/lldb/Core/SearchFilter.h
===================================================================
--- include/lldb/Core/SearchFilter.h
+++ include/lldb/Core/SearchFilter.h
@@ -11,7 +11,7 @@
 #define liblldb_SearchFilter_h_
 
 #include "lldb/Core/FileSpecList.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 
 #include "lldb/Utility/FileSpec.h" // for FileSpec
 #include "lldb/lldb-forward.h"     // for SearchFilterSP, TargetSP, Modu...
Index: include/lldb/Core/StructuredDataImpl.h
===================================================================
--- include/lldb/Core/StructuredDataImpl.h
+++ include/lldb/Core/StructuredDataImpl.h
@@ -11,10 +11,10 @@
 #define liblldb_StructuredDataImpl_h_
 
 #include "lldb/Core/Event.h"
-#include "lldb/Core/StructuredData.h"
 #include "lldb/Target/StructuredDataPlugin.h"
 #include "lldb/Utility/Status.h"
 #include "lldb/Utility/Stream.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/lldb-enumerations.h"
 #include "lldb/lldb-forward.h"
 #include "llvm/ADT/StringRef.h"
Index: include/lldb/Core/TraceOptions.h
===================================================================
--- include/lldb/Core/TraceOptions.h
+++ include/lldb/Core/TraceOptions.h
@@ -13,7 +13,7 @@
 #include "lldb/lldb-defines.h"
 #include "lldb/lldb-enumerations.h"
 
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 
 namespace lldb_private {
 class TraceOptions {
Index: include/lldb/DataFormatters/TypeSummary.h
===================================================================
--- include/lldb/DataFormatters/TypeSummary.h
+++ include/lldb/DataFormatters/TypeSummary.h
@@ -24,7 +24,7 @@
 #include "lldb/lldb-public.h"
 
 #include "lldb/Core/FormatEntity.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/Status.h"
 
 namespace lldb_private {
Index: include/lldb/DataFormatters/TypeSynthetic.h
===================================================================
--- include/lldb/DataFormatters/TypeSynthetic.h
+++ include/lldb/DataFormatters/TypeSynthetic.h
@@ -25,7 +25,7 @@
 #include "lldb/lldb-enumerations.h"
 #include "lldb/lldb-public.h"
 
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Core/ValueObject.h"
 
 namespace lldb_private {
Index: include/lldb/Host/XML.h
===================================================================
--- include/lldb/Host/XML.h
+++ include/lldb/Host/XML.h
@@ -24,7 +24,7 @@
 #include "llvm/ADT/StringRef.h"
 
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/StreamString.h"
 #include "lldb/lldb-private.h"
 
Index: include/lldb/Interpreter/ScriptInterpreter.h
===================================================================
--- include/lldb/Interpreter/ScriptInterpreter.h
+++ include/lldb/Interpreter/ScriptInterpreter.h
@@ -19,7 +19,7 @@
 #include "lldb/Breakpoint/BreakpointOptions.h"
 #include "lldb/Core/Broadcaster.h"
 #include "lldb/Core/PluginInterface.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/Status.h"
 
 #include "lldb/Host/PseudoTerminal.h"
Index: include/lldb/Target/InstrumentationRuntime.h
===================================================================
--- include/lldb/Target/InstrumentationRuntime.h
+++ include/lldb/Target/InstrumentationRuntime.h
@@ -18,7 +18,7 @@
 // Other libraries and framework includes
 // Project includes
 #include "lldb/Core/PluginInterface.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/lldb-forward.h"
 #include "lldb/lldb-private.h"
 #include "lldb/lldb-types.h"
Index: include/lldb/Target/InstrumentationRuntimeStopInfo.h
===================================================================
--- include/lldb/Target/InstrumentationRuntimeStopInfo.h
+++ include/lldb/Target/InstrumentationRuntimeStopInfo.h
@@ -16,7 +16,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/StopInfo.h"
 
 namespace lldb_private {
Index: include/lldb/Target/Process.h
===================================================================
--- include/lldb/Target/Process.h
+++ include/lldb/Target/Process.h
@@ -34,7 +34,7 @@
 #include "lldb/Core/Listener.h"
 #include "lldb/Core/LoadedModuleInfoList.h"
 #include "lldb/Core/PluginInterface.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Core/ThreadSafeValue.h"
 #include "lldb/Core/TraceOptions.h"
 #include "lldb/Core/UserSettingsController.h"
Index: include/lldb/Target/StopInfo.h
===================================================================
--- include/lldb/Target/StopInfo.h
+++ include/lldb/Target/StopInfo.h
@@ -16,7 +16,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/Process.h"
 #include "lldb/lldb-public.h"
 
Index: include/lldb/Target/StructuredDataPlugin.h
===================================================================
--- include/lldb/Target/StructuredDataPlugin.h
+++ include/lldb/Target/StructuredDataPlugin.h
@@ -11,7 +11,7 @@
 #define StructuredDataPlugin_h
 
 #include "lldb/Core/PluginInterface.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 
 namespace lldb_private {
 
Index: include/lldb/Target/SystemRuntime.h
===================================================================
--- include/lldb/Target/SystemRuntime.h
+++ include/lldb/Target/SystemRuntime.h
@@ -18,7 +18,7 @@
 
 #include "lldb/Core/ModuleList.h"
 #include "lldb/Core/PluginInterface.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/QueueItem.h"
 #include "lldb/Target/QueueList.h"
 #include "lldb/Utility/ConstString.h"
Index: include/lldb/Target/Thread.h
===================================================================
--- include/lldb/Target/Thread.h
+++ include/lldb/Target/Thread.h
@@ -21,7 +21,7 @@
 // Project includes
 #include "lldb/Core/Broadcaster.h"
 #include "lldb/Core/Event.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Core/UserSettingsController.h"
 #include "lldb/Target/ExecutionContextScope.h"
 #include "lldb/Target/RegisterCheckpoint.h"
Index: include/lldb/Target/ThreadPlanPython.h
===================================================================
--- include/lldb/Target/ThreadPlanPython.h
+++ include/lldb/Target/ThreadPlanPython.h
@@ -17,7 +17,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/StopInfo.h"
 #include "lldb/Target/Target.h"
Index: include/lldb/Utility/JSON.h
===================================================================
--- include/lldb/Utility/JSON.h
+++ include/lldb/Utility/JSON.h
@@ -269,7 +269,7 @@
     EndOfFile
   };
 
-  JSONParser(const char *cstr);
+  JSONParser(llvm::StringRef data);
 
   int GetEscapedChar(bool &was_escaped);
 
Index: include/lldb/Utility/StructuredData.h
===================================================================
--- include/lldb/Utility/StructuredData.h
+++ include/lldb/Utility/StructuredData.h
@@ -23,10 +23,9 @@
 #include <type_traits> // for move
 #include <utility>
 #include <vector>
-
-#include <assert.h> // for assert
-#include <stddef.h> // for size_t
-#include <stdint.h> // for uint64_t
+#include <cassert> // for assert
+#include <cstddef> // for size_t
+#include <cstdint> // for uint64_t
 
 namespace lldb_private {
 class Status;
@@ -38,7 +37,7 @@
 namespace lldb_private {
 
 //----------------------------------------------------------------------
-/// @class StructuredData StructuredData.h "lldb/Core/StructuredData.h"
+/// @class StructuredData StructuredData.h "lldb/Utility/StructuredData.h"
 /// @brief A class which can hold structured data
 ///
 /// The StructuredData class is designed to hold the data from a JSON
Index: source/API/SBStructuredData.cpp
===================================================================
--- source/API/SBStructuredData.cpp
+++ source/API/SBStructuredData.cpp
@@ -11,11 +11,11 @@
 
 #include "lldb/API/SBStream.h"
 #include "lldb/Core/Event.h"
-#include "lldb/Core/StructuredData.h"
 #include "lldb/Core/StructuredDataImpl.h"
 #include "lldb/Target/StructuredDataPlugin.h"
 #include "lldb/Utility/Status.h"
 #include "lldb/Utility/Stream.h"
+#include "lldb/Utility/StructuredData.h"
 
 using namespace lldb;
 using namespace lldb_private;
Index: source/API/SBThread.cpp
===================================================================
--- source/API/SBThread.cpp
+++ source/API/SBThread.cpp
@@ -16,7 +16,6 @@
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/State.h"
 #include "lldb/Core/StreamFile.h"
-#include "lldb/Core/StructuredData.h"
 #include "lldb/Core/ValueObject.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Symbol/CompileUnit.h"
@@ -34,6 +33,7 @@
 #include "lldb/Target/ThreadPlanStepRange.h"
 #include "lldb/Target/UnixSignals.h"
 #include "lldb/Utility/Stream.h"
+#include "lldb/Utility/StructuredData.h"
 
 #include "lldb/API/SBAddress.h"
 #include "lldb/API/SBDebugger.h"
Index: source/API/SBThreadPlan.cpp
===================================================================
--- source/API/SBThreadPlan.cpp
+++ source/API/SBThreadPlan.cpp
@@ -16,7 +16,6 @@
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/State.h"
 #include "lldb/Core/StreamFile.h"
-#include "lldb/Core/StructuredData.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Symbol/CompileUnit.h"
 #include "lldb/Symbol/SymbolContext.h"
@@ -33,6 +32,7 @@
 #include "lldb/Target/ThreadPlanStepOut.h"
 #include "lldb/Target/ThreadPlanStepRange.h"
 #include "lldb/Utility/Stream.h"
+#include "lldb/Utility/StructuredData.h"
 
 #include "lldb/API/SBAddress.h"
 #include "lldb/API/SBDebugger.h"
Index: source/Core/CMakeLists.txt
===================================================================
--- source/Core/CMakeLists.txt
+++ source/Core/CMakeLists.txt
@@ -33,7 +33,6 @@
   State.cpp
   StreamAsynchronousIO.cpp
   StreamFile.cpp
-  StructuredData.cpp
   Timer.cpp
   UserSettingsController.cpp
   Value.cpp
Index: source/Core/FormatEntity.cpp
===================================================================
--- source/Core/FormatEntity.cpp
+++ source/Core/FormatEntity.cpp
@@ -15,7 +15,7 @@
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/Module.h"
 #include "lldb/Core/RegisterValue.h"  // for RegisterValue
-#include "lldb/Core/StructuredData.h" // for StructuredData::O...
+#include "lldb/Utility/StructuredData.h" // for StructuredData::O...
 #include "lldb/Core/ValueObject.h"
 #include "lldb/Core/ValueObjectVariable.h"
 #include "lldb/DataFormatters/DataVisualization.h"
Index: source/Host/macosx/Host.mm
===================================================================
--- source/Host/macosx/Host.mm
+++ source/Host/macosx/Host.mm
@@ -59,7 +59,7 @@
 #include "lldb/Core/Module.h"
 #include "lldb/Core/ModuleSpec.h"
 #include "lldb/Core/StreamFile.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Host/ConnectionFileDescriptor.h"
 #include "lldb/Host/HostInfo.h"
 #include "lldb/Host/ThreadLauncher.h"
Index: source/Host/windows/Host.cpp
===================================================================
--- source/Host/windows/Host.cpp
+++ source/Host/windows/Host.cpp
@@ -20,11 +20,11 @@
 #include "lldb/Utility/Status.h"
 
 #include "lldb/Core/StreamFile.h"
-#include "lldb/Core/StructuredData.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Host/HostInfo.h"
 #include "lldb/Utility/DataBufferHeap.h"
 #include "lldb/Utility/DataExtractor.h"
+#include "lldb/Utility/StructuredData.h"
 
 #include "llvm/Support/ConvertUTF.h"
 
Index: source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
===================================================================
--- source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
+++ source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
@@ -18,7 +18,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/DynamicLoader.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Utility/FileSpec.h"
Index: source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.h
===================================================================
--- source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.h
+++ source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.h
@@ -25,7 +25,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/DynamicLoader.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Utility/FileSpec.h"
Index: source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h
===================================================================
--- source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h
+++ source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h
@@ -28,7 +28,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/DynamicLoader.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Utility/FileSpec.h"
Index: source/Plugins/InstrumentationRuntime/ASan/ASanRuntime.h
===================================================================
--- source/Plugins/InstrumentationRuntime/ASan/ASanRuntime.h
+++ source/Plugins/InstrumentationRuntime/ASan/ASanRuntime.h
@@ -14,7 +14,7 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/InstrumentationRuntime.h"
 #include "lldb/Target/Process.h"
 #include "lldb/lldb-private.h"
Index: source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.h
===================================================================
--- source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.h
+++ source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.h
@@ -10,7 +10,7 @@
 #ifndef liblldb_MainThreadCheckerRuntime_h_
 #define liblldb_MainThreadCheckerRuntime_h_
 
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/ABI.h"
 #include "lldb/Target/InstrumentationRuntime.h"
 #include "lldb/lldb-private.h"
Index: source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.h
===================================================================
--- source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.h
+++ source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.h
@@ -14,7 +14,7 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/ABI.h"
 #include "lldb/Target/InstrumentationRuntime.h"
 #include "lldb/lldb-private.h"
Index: source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.h
===================================================================
--- source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.h
+++ source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.h
@@ -10,7 +10,7 @@
 #ifndef liblldb_UndefinedBehaviorSanitizerRuntime_h_
 #define liblldb_UndefinedBehaviorSanitizerRuntime_h_
 
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/ABI.h"
 #include "lldb/Target/InstrumentationRuntime.h"
 #include "lldb/lldb-private.h"
Index: source/Plugins/OperatingSystem/Python/OperatingSystemPython.h
===================================================================
--- source/Plugins/OperatingSystem/Python/OperatingSystemPython.h
+++ source/Plugins/OperatingSystem/Python/OperatingSystemPython.h
@@ -16,7 +16,7 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/OperatingSystem.h"
 
 class DynamicRegisterInfo;
Index: source/Plugins/OperatingSystem/Python/OperatingSystemPython.cpp
===================================================================
--- source/Plugins/OperatingSystem/Python/OperatingSystemPython.cpp
+++ source/Plugins/OperatingSystem/Python/OperatingSystemPython.cpp
@@ -22,7 +22,7 @@
 #include "lldb/Core/Module.h"
 #include "lldb/Core/PluginManager.h"
 #include "lldb/Core/RegisterValue.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Core/ValueObjectVariable.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/ScriptInterpreter.h"
Index: source/Plugins/Process/POSIX/CMakeLists.txt
===================================================================
--- source/Plugins/Process/POSIX/CMakeLists.txt
+++ source/Plugins/Process/POSIX/CMakeLists.txt
@@ -7,7 +7,6 @@
   ProcessPOSIXLog.cpp
 
   LINK_LIBS
-    lldbCore
     lldbInterpreter
   LINK_COMPONENTS
     Support
Index: source/Plugins/Process/Utility/DynamicRegisterInfo.h
===================================================================
--- source/Plugins/Process/Utility/DynamicRegisterInfo.h
+++ source/Plugins/Process/Utility/DynamicRegisterInfo.h
@@ -17,7 +17,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/ConstString.h"
 #include "lldb/lldb-private.h"
 
Index: source/Plugins/Process/Utility/DynamicRegisterInfo.cpp
===================================================================
--- source/Plugins/Process/Utility/DynamicRegisterInfo.cpp
+++ source/Plugins/Process/Utility/DynamicRegisterInfo.cpp
@@ -15,7 +15,7 @@
 // Project includes
 #include "lldb/Core/ArchSpec.h"
 #include "lldb/Core/StreamFile.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/DataFormatters/FormatManager.h"
 #include "lldb/Host/StringConvert.h"
 #include "lldb/Utility/RegularExpression.h"
Index: source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
===================================================================
--- source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
+++ source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
@@ -23,7 +23,7 @@
 // Other libraries and framework includes
 // Project includes
 #include "lldb/Core/ArchSpec.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Utility/StreamGDBRemote.h"
 
Index: source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
===================================================================
--- source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
+++ source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
@@ -22,7 +22,7 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Threading.h"
 
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Host/Config.h"
 #include "lldb/Host/ConnectionFileDescriptor.h"
 #include "lldb/Host/Host.h"
Index: source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
===================================================================
--- source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
+++ source/Plugins/Process/gdb-remote/ProcessGDBRemote.h
@@ -24,7 +24,7 @@
 #include "lldb/Core/Broadcaster.h"
 #include "lldb/Core/LoadedModuleInfoList.h"
 #include "lldb/Core/ModuleSpec.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Core/ThreadSafeValue.h"
 #include "lldb/Host/HostThread.h"
 #include "lldb/Target/Process.h"
Index: source/Plugins/Process/gdb-remote/ThreadGDBRemote.h
===================================================================
--- source/Plugins/Process/gdb-remote/ThreadGDBRemote.h
+++ source/Plugins/Process/gdb-remote/ThreadGDBRemote.h
@@ -16,7 +16,7 @@
 
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/Thread.h"
 
Index: source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h
===================================================================
--- source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h
+++ source/Plugins/ScriptInterpreter/Python/PythonDataObjects.h
@@ -21,7 +21,7 @@
 // Project includes
 #include "lldb/Utility/Flags.h"
 
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Host/File.h"
 #include "lldb/Interpreter/OptionValue.h"
 #include "lldb/Utility/ConstString.h"
Index: source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h
===================================================================
--- source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h
+++ source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h
@@ -19,7 +19,7 @@
 // Other libraries and framework include
 // Project includes
 #include "lldb/Core/ModuleList.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/QueueItem.h"
 #include "lldb/Target/SystemRuntime.h"
Index: source/Target/Platform.cpp
===================================================================
--- source/Target/Platform.cpp
+++ source/Target/Platform.cpp
@@ -25,7 +25,7 @@
 #include "lldb/Core/ModuleSpec.h"
 #include "lldb/Core/PluginManager.h"
 #include "lldb/Core/StreamFile.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Host/FileSystem.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Host/HostInfo.h"
Index: source/Target/ThreadSpec.cpp
===================================================================
--- source/Target/ThreadSpec.cpp
+++ source/Target/ThreadSpec.cpp
@@ -12,7 +12,7 @@
 // Other libraries and framework includes
 // Project includes
 #include "lldb/Target/Thread.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Target/ThreadSpec.h"
 
 using namespace lldb;
Index: source/Utility/CMakeLists.txt
===================================================================
--- source/Utility/CMakeLists.txt
+++ source/Utility/CMakeLists.txt
@@ -26,6 +26,7 @@
   StringExtractorGDBRemote.cpp
   StringLexer.cpp
   StringList.cpp
+  StructuredData.cpp
   TaskPool.cpp
   TildeExpressionResolver.cpp
   UserID.cpp
Index: source/Utility/JSON.cpp
===================================================================
--- source/Utility/JSON.cpp
+++ source/Utility/JSON.cpp
@@ -191,7 +191,7 @@
 
 JSONArray::Size JSONArray::GetNumElements() { return m_elements.size(); }
 
-JSONParser::JSONParser(const char *cstr) : StringExtractor(cstr) {}
+JSONParser::JSONParser(llvm::StringRef data) : StringExtractor(data) {}
 
 JSONParser::Token JSONParser::GetToken(std::string &value) {
   StreamString error;
Index: source/Utility/StructuredData.cpp
===================================================================
--- source/Utility/StructuredData.cpp
+++ source/Utility/StructuredData.cpp
@@ -7,28 +7,18 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "lldb/Core/StructuredData.h"
-
-#include "lldb/Host/File.h"
-#include "lldb/Host/StringConvert.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Utility/DataBuffer.h"
 #include "lldb/Utility/FileSpec.h"
 #include "lldb/Utility/JSON.h"
 #include "lldb/Utility/Status.h"
 #include "lldb/Utility/Stream.h" // for Stream
 #include "lldb/Utility/StreamString.h"
-#include "lldb/lldb-enumerations.h" // for FilePermissions::eFilePermiss...
-#include "lldb/lldb-forward.h"      // for DataBufferSP
-
 #include "llvm/ADT/STLExtras.h" // for make_unique
-
 #include <limits> // for numeric_limits
-
-#include <errno.h>
+#include <cerrno>
 #include <inttypes.h>
-#include <stdio.h> // for printf
-#include <stdlib.h>
-#include <sys/types.h> // for off_t
+#include <cstdlib>
 
 using namespace lldb_private;
 
@@ -43,36 +33,19 @@
 StructuredData::ParseJSONFromFile(const FileSpec &input_spec, Status &error) {
   StructuredData::ObjectSP return_sp;
   if (!input_spec.Exists()) {
-    error.SetErrorStringWithFormat("input file %s does not exist.",
-                                   input_spec.GetPath().c_str());
+    error.SetErrorStringWithFormatv("input file {0} does not exist.",
+                                   input_spec);
     return return_sp;
   }
 
-  File input_file(nullptr, File::OpenOptions::eOpenOptionRead,
-                  lldb::eFilePermissionsUserRead);
-  std::string input_path = input_spec.GetPath();
-  error =
-      input_file.Open(input_path.c_str(), File::OpenOptions::eOpenOptionRead,
-                      lldb::eFilePermissionsUserRead);
-
-  if (!error.Success()) {
-    error.SetErrorStringWithFormat("could not open input file: %s - %s.",
-                                   input_spec.GetPath().c_str(),
-                                   error.AsCString());
+  auto buffer_or_error = llvm::MemoryBuffer::getFile(input_spec.GetPath());
+  if (!buffer_or_error) {
+    error.SetErrorStringWithFormatv("could not open input file: {0} - {1}.",
+                                   input_spec.GetPath(), buffer_or_error.getError().message());
     return return_sp;
   }
 
-  lldb::DataBufferSP input_data;
-  size_t num_bytes = std::numeric_limits<size_t>::max();
-  off_t offset = 0;
-  error = input_file.Read(num_bytes, offset, true, input_data);
-  if (!error.Success()) {
-    error.SetErrorStringWithFormat("could not read input file: %s - %s.",
-                                   input_spec.GetPath().c_str(),
-                                   error.AsCString());
-    return return_sp;
-  }
-  JSONParser json_parser((char *)input_data->GetBytes());
+  JSONParser json_parser(buffer_or_error.get()->getBuffer());
   return_sp = ParseJSONValue(json_parser);
   return return_sp;
 }
@@ -146,16 +119,14 @@
     return ParseJSONArray(json_parser);
 
   case JSONParser::Token::Integer: {
-    bool success = false;
-    uint64_t uval = StringConvert::ToUInt64(value.c_str(), 0, 0, &success);
-    if (success)
+    uint64_t uval;
+    if (llvm::to_integer(value, uval, 0))
       return std::make_shared<StructuredData::Integer>(uval);
   } break;
 
   case JSONParser::Token::Float: {
-    bool success = false;
-    double val = StringConvert::ToDouble(value.c_str(), 0.0, &success);
-    if (success)
+    double val;
+    if(llvm::to_float(value, val))
       return std::make_shared<StructuredData::Float>(val);
   } break;
 
@@ -219,7 +190,7 @@
 void StructuredData::Object::DumpToStdout(bool pretty_print) const {
   StreamString stream;
   Dump(stream, pretty_print);
-  printf("%s\n", stream.GetData());
+  llvm::outs() << stream.GetString();
 }
 
 void StructuredData::Array::Dump(Stream &s, bool pretty_print) const {
Index: unittests/Core/CMakeLists.txt
===================================================================
--- unittests/Core/CMakeLists.txt
+++ unittests/Core/CMakeLists.txt
@@ -6,7 +6,6 @@
   ScalarTest.cpp
   StateTest.cpp
   StreamCallbackTest.cpp
-  StructuredDataTest.cpp
   TimerTest.cpp
 
   LINK_LIBS
Index: unittests/Core/StructuredDataTest.cpp
===================================================================
--- unittests/Core/StructuredDataTest.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-//===-- StructuredDataTest.cpp ----------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "gtest/gtest.h"
-
-#include "lldb/Core/StructuredData.h"
-#include "lldb/Utility/StreamString.h"
-
-#include "llvm/BinaryFormat/MachO.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-TEST(StructuredDataTest, StringDump) {
-  std::pair<llvm::StringRef, llvm::StringRef> TestCases[] = {
-    { R"(asdfg)", R"("asdfg")" },
-    { R"(as"df)", R"("as\"df")" },
-    { R"(as\df)", R"("as\\df")" },
-  };
-  for(auto P : TestCases) {
-    StreamString S;
-    const bool pretty_print = false;
-    StructuredData::String(P.first).Dump(S, pretty_print);
-    EXPECT_EQ(P.second, S.GetString());
-  }
-}
Index: unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp
===================================================================
--- unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp
+++ unittests/Process/gdb-remote/GDBRemoteCommunicationClientTest.cpp
@@ -12,7 +12,7 @@
 
 #include "Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h"
 #include "lldb/Core/ModuleSpec.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "lldb/Core/TraceOptions.h"
 #include "lldb/Target/MemoryRegionInfo.h"
 #include "lldb/Utility/DataBuffer.h"
Index: unittests/Utility/CMakeLists.txt
===================================================================
--- unittests/Utility/CMakeLists.txt
+++ unittests/Utility/CMakeLists.txt
@@ -6,6 +6,7 @@
   NameMatchesTest.cpp
   StatusTest.cpp
   StringExtractorTest.cpp
+  StructuredDataTest.cpp
   TaskPoolTest.cpp
   TildeExpressionResolverTest.cpp
   TimeoutTest.cpp
@@ -18,3 +19,7 @@
   LINK_COMPONENTS
     Support
   )
+
+add_unittest_inputs(UtilityTests
+  StructuredData-basic.json
+  )
Index: unittests/Utility/Inputs/StructuredData-basic.json
===================================================================
--- /dev/null
+++ unittests/Utility/Inputs/StructuredData-basic.json
@@ -0,0 +1 @@
+[1, 2, 3]
Index: unittests/Utility/StructuredDataTest.cpp
===================================================================
--- /dev/null
+++ unittests/Utility/StructuredDataTest.cpp
@@ -0,0 +1,68 @@
+//===-- StructuredDataTest.cpp ----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+
+#include "lldb/Utility/Status.h"
+#include "lldb/Utility/StreamString.h"
+#include "lldb/Utility/StructuredData.h"
+#include "llvm/Support/Path.h"
+
+extern const char *TestMainArgv0;
+
+using namespace lldb;
+using namespace lldb_private;
+
+namespace {
+
+class StructuredDataTest : public testing::Test {
+public:
+  static void SetUpTestCase() {
+    s_inputs_folder = llvm::sys::path::parent_path(TestMainArgv0);
+    llvm::sys::path::append(s_inputs_folder, "Inputs");
+  }
+
+protected:
+  static llvm::SmallString<128> s_inputs_folder;
+};
+}
+
+llvm::SmallString<128> StructuredDataTest::s_inputs_folder;
+
+TEST_F(StructuredDataTest, StringDump) {
+  std::pair<llvm::StringRef, llvm::StringRef> TestCases[] = {
+    { R"(asdfg)", R"("asdfg")" },
+    { R"(as"df)", R"("as\"df")" },
+    { R"(as\df)", R"("as\\df")" },
+  };
+  for(auto P : TestCases) {
+    StreamString S;
+    const bool pretty_print = false;
+    StructuredData::String(P.first).Dump(S, pretty_print);
+    EXPECT_EQ(P.second, S.GetString());
+  }
+}
+
+TEST_F(StructuredDataTest, ParseJSONFromFile) {
+  Status status;
+  auto object_sp = StructuredData::ParseJSONFromFile(
+      FileSpec("non-existing-file.json", false), status);
+  EXPECT_EQ(nullptr, object_sp);
+
+  llvm::SmallString<128> input = s_inputs_folder;
+  llvm::sys::path::append(input, "StructuredData-basic.json");
+  object_sp = StructuredData::ParseJSONFromFile(FileSpec(input, false), status);
+  ASSERT_NE(nullptr, object_sp);
+
+  StreamString S;
+  object_sp->Dump(S, false);
+  EXPECT_EQ("[1,2,3]", S.GetString());
+
+
+}
Index: unittests/tools/lldb-server/tests/MessageObjects.cpp
===================================================================
--- unittests/tools/lldb-server/tests/MessageObjects.cpp
+++ unittests/tools/lldb-server/tests/MessageObjects.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "MessageObjects.h"
-#include "lldb/Core/StructuredData.h"
+#include "lldb/Utility/StructuredData.h"
 #include "llvm/ADT/StringExtras.h"
 #include "gtest/gtest.h"