[lldb] tab completion for 'command delete/unalias'

Provided dedicated tab completions for `command delete/unalias`.

Reviewed By: teemperor

Differential Revision: https://reviews.llvm.org/D81128

1 files changed, 23 insertions, 0 deletions

diff --git a/lldb/source/Commands/CommandObjectCommands.cpp b/lldb/source/Commands/CommandObjectCommands.cpp
index eaf2234..92730b6 100644
--- a/lldb/source/Commands/CommandObjectCommands.cpp
+++ b/lldb/source/Commands/CommandObjectCommands.cpp
@@ -618,6 +618,17 @@ public:
 
   ~CommandObjectCommandsUnalias() override = default;
 
+  void
+  HandleArgumentCompletion(CompletionRequest &request,
+                           OptionElementVector &opt_element_vector) override {
+    if (!m_interpreter.HasCommands() || request.GetCursorIndex() != 0)
+      return;
+
+    for (const auto &ent : m_interpreter.GetAliases()) {
+      request.TryCompleteCurrentArg(ent.first, ent.second->GetHelp());
+    }
+  }
+
 protected:
   bool DoExecute(Args &args, CommandReturnObject &result) override {
     CommandObject::CommandMap::iterator pos;
@@ -699,6 +710,18 @@ public:
 
   ~CommandObjectCommandsDelete() override = default;
 
+  void
+  HandleArgumentCompletion(CompletionRequest &request,
+                           OptionElementVector &opt_element_vector) override {
+    if (!m_interpreter.HasCommands() || request.GetCursorIndex() != 0)
+      return;
+
+    for (const auto &ent : m_interpreter.GetCommands()) {
+      if (ent.second->IsRemovable())
+        request.TryCompleteCurrentArg(ent.first, ent.second->GetHelp());
+    }
+  }
+
 protected:
   bool DoExecute(Args &args, CommandReturnObject &result) override {
     CommandObject::CommandMap::iterator pos;