Add breakpoint delete --disabled: deletes all disabled breakpoints.

Differential Revision: https://reviews.llvm.org/D88129

Author: jimingham

lldb/source/Commands/CommandObjectBreakpoint.cpp

@@ -1423,7 +1423,8 @@ class CommandObjectBreakpointDelete : public CommandObjectParsed {
 
   class CommandOptions : public Options {
   public:
-    CommandOptions() : Options(), m_use_dummy(false), m_force(false) {}
+    CommandOptions() : Options(), m_use_dummy(false), m_force(false),
+      m_delete_disabled(false) {}
 
     ~CommandOptions() override = default;
 
@@ -1440,6 +1441,10 @@ class CommandObjectBreakpointDelete : public CommandObjectParsed {
       case 'D':
         m_use_dummy = true;
         break;
+        
+      case 'd':
+        m_delete_disabled = true;
+        break;
 
       default:
         llvm_unreachable("Unimplemented option");
@@ -1451,6 +1456,7 @@ class CommandObjectBreakpointDelete : public CommandObjectParsed {
     void OptionParsingStarting(ExecutionContext *execution_context) override {
       m_use_dummy = false;
       m_force = false;
+      m_delete_disabled = false;
     }
 
     llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
@@ -1460,16 +1466,18 @@ class CommandObjectBreakpointDelete : public CommandObjectParsed {
     // Instance variables to hold the values for command options.
     bool m_use_dummy;
     bool m_force;
+    bool m_delete_disabled;
   };
 
 protected:
   bool DoExecute(Args &command, CommandReturnObject &result) override {
     Target &target = GetSelectedOrDummyTarget(m_options.m_use_dummy);
-
+    result.Clear();
+    
     std::unique_lock<std::recursive_mutex> lock;
     target.GetBreakpointList().GetListMutex(lock);
 
-    const BreakpointList &breakpoints = target.GetBreakpointList();
+    BreakpointList &breakpoints = target.GetBreakpointList();
 
     size_t num_breakpoints = breakpoints.GetSize();
 
@@ -1479,7 +1487,7 @@ class CommandObjectBreakpointDelete : public CommandObjectParsed {
       return false;
     }
 
-    if (command.empty()) {
+    if (command.empty() && !m_options.m_delete_disabled) {
       if (!m_options.m_force &&
           !m_interpreter.Confirm(
               "About to delete all breakpoints, do you want to do that?",
@@ -1495,10 +1503,34 @@ class CommandObjectBreakpointDelete : public CommandObjectParsed {
     } else {
       // Particular breakpoint selected; disable that breakpoint.
       BreakpointIDList valid_bp_ids;
-      CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
-          command, &target, result, &valid_bp_ids,
-          BreakpointName::Permissions::PermissionKinds::deletePerm);
+      
+      if (m_options.m_delete_disabled) {
+        BreakpointIDList excluded_bp_ids;
 
+        if (!command.empty()) {
+          CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
+              command, &target, result, &excluded_bp_ids,
+              BreakpointName::Permissions::PermissionKinds::deletePerm);
+        }
+        for (auto breakpoint_sp : breakpoints.Breakpoints()) {
+          if (!breakpoint_sp->IsEnabled() && breakpoint_sp->AllowDelete()) {
+            BreakpointID bp_id(breakpoint_sp->GetID());
+            size_t pos = 0;
+            if (!excluded_bp_ids.FindBreakpointID(bp_id, &pos))
+              valid_bp_ids.AddBreakpointID(breakpoint_sp->GetID());
+          }
+        }
+        if (valid_bp_ids.GetSize() == 0) {
+          result.AppendError("No disabled breakpoints.");
+          result.SetStatus(eReturnStatusFailed);
+          return false;
+        }
+      } else {
+        CommandObjectMultiwordBreakpoint::VerifyBreakpointOrLocationIDs(
+            command, &target, result, &valid_bp_ids,
+            BreakpointName::Permissions::PermissionKinds::deletePerm);
+      }
+      
       if (result.Succeeded()) {
         int delete_count = 0;
         int disable_count = 0;

lldb/source/Commands/Options.td

@@ -227,6 +227,9 @@ let Command = "breakpoint delete" in {
   def breakpoint_delete_dummy_breakpoints : Option<"dummy-breakpoints", "D">,
     Group<1>, Desc<"Delete Dummy breakpoints - i.e. breakpoints set before a "
     "file is provided, which prime new targets.">;
+  def breakpoint_delete_disabled : Option<"disabled", "d">, Group<1>,
+    Desc<"Delete all breakpoints which are currently disabled.  When using the disabled option "
+    "any breakpoints listed on the command line are EXCLUDED from deletion.">;
 }
 
 let Command = "breakpoint name" in {

lldb/test/API/functionalities/breakpoint/breakpoint_command/TestBreakpointCommand.py

@@ -287,3 +287,33 @@ def breakpoint_commands_on_creation(self):
         self.assertEqual(com_list.GetStringAtIndex(0), "bt", "First bt")
         self.assertEqual(com_list.GetStringAtIndex(1), "thread list", "Next thread list")
         self.assertEqual(com_list.GetStringAtIndex(2), "continue", "Last continue")
+
+    def test_breakpoint_delete_disabled(self):
+        """Test 'break delete --disabled' works"""
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target.IsValid(), "Created an invalid target.")
+
+        bp_1 = target.BreakpointCreateByName("main")
+        bp_2 = target.BreakpointCreateByName("not_here")
+        bp_3 = target.BreakpointCreateByName("main")
+        bp_3.AddName("DeleteMeNot")
+
+        bp_1.SetEnabled(False)
+        bp_3.SetEnabled(False)
+
+        bp_id_1 = bp_1.GetID()
+        bp_id_2 = bp_2.GetID()
+        bp_id_3 = bp_3.GetID()
+        
+        self.runCmd("breakpoint delete --disabled DeleteMeNot")
+
+        bp_1 = target.FindBreakpointByID(bp_id_1)
+        self.assertFalse(bp_1.IsValid(), "Didn't delete disabled breakpoint 1")
+
+        bp_2 = target.FindBreakpointByID(bp_id_2)
+        self.assertTrue(bp_2.IsValid(), "Deleted enabled breakpoint 2")
+
+        bp_3 = target.FindBreakpointByID(bp_id_3)
+        self.assertTrue(bp_3.IsValid(), "DeleteMeNot didn't protect disabled breakpoint 3")