Add an SB API to get the SBTarget from an SBBreakpoint

Differential Revision: https://reviews.llvm.org/D89358

(cherry picked from commit 6754caa)

Author: jimingham

lldb/bindings/interface/SBBreakpoint.i

@@ -100,6 +100,9 @@ public:
     void
     ClearAllBreakpointSites ();
 
+    lldb::SBTarget
+    GetTarget() const;
+  
     lldb::SBBreakpointLocation
     FindLocationByAddress (lldb::addr_t vm_addr);
 

lldb/include/lldb/API/SBBreakpoint.h

@@ -42,6 +42,8 @@ class LLDB_API SBBreakpoint {
 
   void ClearAllBreakpointSites();
 
+  lldb::SBTarget GetTarget() const;
+
   lldb::SBBreakpointLocation FindLocationByAddress(lldb::addr_t vm_addr);
 
   lldb::break_id_t FindLocationIDByAddress(lldb::addr_t vm_addr);

lldb/source/API/SBBreakpoint.cpp

@@ -81,6 +81,16 @@ bool SBBreakpoint::operator!=(const lldb::SBBreakpoint &rhs) {
   return m_opaque_wp.lock() != rhs.m_opaque_wp.lock();
 }
 
+SBTarget SBBreakpoint::GetTarget() const {
+  LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBTarget, SBBreakpoint, GetTarget);
+
+  BreakpointSP bkpt_sp = GetSP();
+  if (bkpt_sp)
+    return LLDB_RECORD_RESULT(SBTarget(bkpt_sp->GetTargetSP()));
+
+  return LLDB_RECORD_RESULT(SBTarget());
+}
+
 break_id_t SBBreakpoint::GetID() const {
   LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::break_id_t, SBBreakpoint, GetID);
 
@@ -987,6 +997,7 @@ void RegisterMethods<SBBreakpoint>(Registry &R) {
                        SBBreakpoint, operator==,(const lldb::SBBreakpoint &));
   LLDB_REGISTER_METHOD(bool,
                        SBBreakpoint, operator!=,(const lldb::SBBreakpoint &));
+  LLDB_REGISTER_METHOD_CONST(lldb::SBTarget, SBBreakpoint, GetTarget, ());
   LLDB_REGISTER_METHOD_CONST(lldb::break_id_t, SBBreakpoint, GetID, ());
   LLDB_REGISTER_METHOD_CONST(bool, SBBreakpoint, IsValid, ());
   LLDB_REGISTER_METHOD_CONST(bool, SBBreakpoint, operator bool, ());

lldb/test/API/python_api/breakpoint/TestBreakpointAPI.py

@@ -66,6 +66,9 @@ def test_target_delete(self):
         location = breakpoint.GetLocationAtIndex(0)
         self.assertTrue(location.IsValid())
 
+        # Make sure the breakpoint's target is right:
+        self.assertEqual(target, breakpoint.GetTarget(), "Breakpoint reports its target correctly")
+        
         self.assertTrue(self.dbg.DeleteTarget(target))
         self.assertFalse(breakpoint.IsValid())
         self.assertFalse(location.IsValid())