[lldb/interpreter] Add REPL-specific init file

This patch adds the infrastructure to have language specific REPL init
files. It's the foundation work to a following patch that will introduce
Swift REPL init file.

When lldb is launched with the `--repl` option, it will look for a REPL
init file in the home directory and source it. This overrides the
default `~/.lldbinit`, which content might make the REPL behave
unexpectedly. If the REPL init file doesn't exists, lldb will fall back
to the default init file.

rdar://65836048

Differential Revision: https://reviews.llvm.org/D86242

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/lldb/source/API/SBCommandInterpreter.cpp b/lldb/source/API/SBCommandInterpreter.cpp
index f4f1957..31e7da8 100644
--- a/lldb/source/API/SBCommandInterpreter.cpp
+++ b/lldb/source/API/SBCommandInterpreter.cpp
@@ -478,6 +478,24 @@ void SBCommandInterpreter::SourceInitFileInHomeDirectory(
   }
 }
 
+void SBCommandInterpreter::SourceInitFileInHomeDirectory(
+    SBCommandReturnObject &result, bool is_repl) {
+  LLDB_RECORD_METHOD(void, SBCommandInterpreter, SourceInitFileInHomeDirectory,
+                     (lldb::SBCommandReturnObject &, bool), result, is_repl);
+
+  result.Clear();
+  if (IsValid()) {
+    TargetSP target_sp(m_opaque_ptr->GetDebugger().GetSelectedTarget());
+    std::unique_lock<std::recursive_mutex> lock;
+    if (target_sp)
+      lock = std::unique_lock<std::recursive_mutex>(target_sp->GetAPIMutex());
+    m_opaque_ptr->SourceInitFileHome(result.ref(), is_repl);
+  } else {
+    result->AppendError("SBCommandInterpreter is not valid");
+    result->SetStatus(eReturnStatusFailed);
+  }
+}
+
 void SBCommandInterpreter::SourceInitFileInCurrentWorkingDirectory(
     SBCommandReturnObject &result) {
   LLDB_RECORD_METHOD(void, SBCommandInterpreter,
@@ -807,6 +825,9 @@ template <> void RegisterMethods<SBCommandInterpreter>(Registry &R) {
                        SourceInitFileInHomeDirectory,
                        (lldb::SBCommandReturnObject &));
   LLDB_REGISTER_METHOD(void, SBCommandInterpreter,
+                       SourceInitFileInHomeDirectory,
+                       (lldb::SBCommandReturnObject &, bool));
+  LLDB_REGISTER_METHOD(void, SBCommandInterpreter,
                        SourceInitFileInCurrentWorkingDirectory,
                        (lldb::SBCommandReturnObject &));
   LLDB_REGISTER_METHOD(lldb::SBBroadcaster, SBCommandInterpreter,