[Lldb-commits] [lldb] [lldb/Plugins] Introduce Scripted Platform Plugin (PR #99814)

[Alex Langford via lldb-commits]

================
@@ -0,0 +1,288 @@
+//===-- ScriptedPlatform.cpp ----------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "ScriptedPlatform.h"
+
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Host/HostInfo.h"
+#include "lldb/Interpreter/ScriptInterpreter.h"
+#include "lldb/Target/ExecutionContext.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Utility/LLDBLog.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+LLDB_PLUGIN_DEFINE(ScriptedPlatform)
+
+static uint32_t g_initialize_count = 0;
+
+static constexpr lldb::ScriptLanguage g_supported_script_languages[] = {
+    ScriptLanguage::eScriptLanguagePython,
+};
+
+bool ScriptedPlatform::IsScriptLanguageSupported(
+    lldb::ScriptLanguage language) {
+  llvm::ArrayRef<lldb::ScriptLanguage> supported_languages(
+      g_supported_script_languages);
+
+  return llvm::is_contained(supported_languages, language);
+}
+
+ScriptedPlatformInterface &ScriptedPlatform::GetInterface() const {
+  return *m_interface_up;
+}
+
+lldb::PlatformSP ScriptedPlatform::CreateInstance(bool force,
+                                                  const ArchSpec *arch) {
+  Log *log = GetLog(LLDBLog::Platform);
+  if (log) {
+    const char *arch_name;
+    if (arch && arch->GetArchitectureName())
+      arch_name = arch->GetArchitectureName();
+    else
+      arch_name = "<null>";
+
+    const char *triple_cstr =
+        arch ? arch->GetTriple().getTriple().c_str() : "<null>";
+
+    LLDB_LOGF(log, "ScriptedPlatform::%s(force=%s, arch={%s,%s})",
+              __PRETTY_FUNCTION__, force ? "true" : "false", arch_name,
+              triple_cstr);
+  }
+
+  return std::make_shared<ScriptedPlatform>();
+}
+
+ScriptedPlatform::ScriptedPlatform() : Platform(false) {}
+
+bool ScriptedPlatform::SetupScriptedObject(Status &error) {
----------------
bulbazord wrote:

2 Questions about this method:
1. What is a `ScriptedObject` in this context?
2. Why does this return a `bool` and take a mutable `Status &` as argument? Why doesn't it just return a `Status` object directly?

https://github.com/llvm/llvm-project/pull/99814