[lldb] Remote disk file/directory completion for platform commands

1. Extended the gdb-remote communication related classes with disk file/directory
   completion functions;
2. Added two common completion functions RemoteDiskFiles and
   RemoteDiskDirectories based on the functions above;
3. Added completion for these commands:
   A. platform get-file <remote-file> <local-file>;
   B. platform put-file <local-file> <remote-file>;
   C. platform get-size <remote-file>;
   D. platform settings -w <remote-dir>;
   E. platform open file <remote-file>.
4. Added related tests for client and server;
5. Updated docs/lldb-platform-packets.txt.

Reviewed By: labath

Differential Revision: https://reviews.llvm.org/D85284

1 files changed, 20 insertions, 0 deletions

diff --git a/lldb/source/Commands/CommandCompletions.cpp b/lldb/source/Commands/CommandCompletions.cpp
index 9e74d8a..9221830 100644
--- a/lldb/source/Commands/CommandCompletions.cpp
+++ b/lldb/source/Commands/CommandCompletions.cpp
@@ -73,6 +73,8 @@ bool CommandCompletions::InvokeCommonCompletionCallbacks(
       {eBreakpointNameCompletion, CommandCompletions::BreakpointNames},
       {eProcessIDCompletion, CommandCompletions::ProcessIDs},
       {eProcessNameCompletion, CommandCompletions::ProcessNames},
+      {eRemoteDiskFileCompletion, CommandCompletions::RemoteDiskFiles},
+      {eRemoteDiskDirectoryCompletion, CommandCompletions::RemoteDiskDirectories},
       {eNoCompletion, nullptr} // This one has to be last in the list.
   };
 
@@ -486,6 +488,24 @@ void CommandCompletions::DiskDirectories(const llvm::Twine &partial_file_name,
   DiskFilesOrDirectories(partial_file_name, true, matches, Resolver);
 }
 
+void CommandCompletions::RemoteDiskFiles(CommandInterpreter &interpreter,
+                                         CompletionRequest &request,
+                                         SearchFilter *searcher) {
+  lldb::PlatformSP platform_sp =
+      interpreter.GetDebugger().GetPlatformList().GetSelectedPlatform();
+  if (platform_sp)
+    platform_sp->AutoCompleteDiskFileOrDirectory(request, false);
+}
+
+void CommandCompletions::RemoteDiskDirectories(CommandInterpreter &interpreter,
+                                               CompletionRequest &request,
+                                               SearchFilter *searcher) {
+  lldb::PlatformSP platform_sp =
+      interpreter.GetDebugger().GetPlatformList().GetSelectedPlatform();
+  if (platform_sp)
+    platform_sp->AutoCompleteDiskFileOrDirectory(request, true);
+}
+
 void CommandCompletions::Modules(CommandInterpreter &interpreter,
                                  CompletionRequest &request,
                                  SearchFilter *searcher) {