[lldb] tab completion for `platform target-install`

1. Applied the common completion `eDiskFileCompletion` to the first argument of
the command `platform target-install`.
2. Added a related test case.

Reviewed By: teemperor

Differential Revision: https://reviews.llvm.org/D84179

1 files changed, 10 insertions, 0 deletions

diff --git a/lldb/source/Commands/CommandObjectPlatform.cpp b/lldb/source/Commands/CommandObjectPlatform.cpp
index fcc8af6..4c235cb 100644
--- a/lldb/source/Commands/CommandObjectPlatform.cpp
+++ b/lldb/source/Commands/CommandObjectPlatform.cpp
@@ -1706,6 +1706,16 @@ public:
 
   ~CommandObjectPlatformInstall() override = default;
 
+  void
+  HandleArgumentCompletion(CompletionRequest &request,
+                           OptionElementVector &opt_element_vector) override {
+    if (request.GetCursorIndex())
+      return;
+    CommandCompletions::InvokeCommonCompletionCallbacks(
+        GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion,
+        request, nullptr);
+  }
+
   bool DoExecute(Args &args, CommandReturnObject &result) override {
     if (args.GetArgumentCount() != 2) {
       result.AppendError("platform target-install takes two arguments");