Committing the skeleton of Language runtime plugin classes.


git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@114620 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Target/CPPLanguageRuntime.cpp b/source/Target/CPPLanguageRuntime.cpp
new file mode 100644
index 0000000..3e825bb
--- /dev/null
+++ b/source/Target/CPPLanguageRuntime.cpp
@@ -0,0 +1,27 @@
+//===-- CPPLanguageRuntime.cpp -------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/CPPLanguageRuntime.h"
+#include "lldb/Core/PluginManager.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+CPPLanguageRuntime::~CPPLanguageRuntime()
+{
+}
+
+CPPLanguageRuntime::CPPLanguageRuntime (Process *process) :
+    LanguageRuntime (process)
+{
+
+}
\ No newline at end of file
diff --git a/source/Target/LanguageRuntime.cpp b/source/Target/LanguageRuntime.cpp
new file mode 100644
index 0000000..00c35f8
--- /dev/null
+++ b/source/Target/LanguageRuntime.cpp
@@ -0,0 +1,47 @@
+//===-- LanguageRuntime.cpp -------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/LanguageRuntime.h"
+#include "lldb/Core/PluginManager.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+LanguageRuntime*
+LanguageRuntime::FindPlugin (Process *process, lldb::LanguageType language)
+{
+    std::auto_ptr<LanguageRuntime> language_runtime_ap;
+    LanguageRuntimeCreateInstance create_callback;
+
+    for (uint32_t idx = 0;
+         (create_callback = PluginManager::GetLanguageRuntimeCreateCallbackAtIndex(idx)) != NULL;
+         ++idx)
+    {
+        language_runtime_ap.reset (create_callback(process, language));
+
+        if (language_runtime_ap.get())
+            return language_runtime_ap.release();
+    }
+
+    return NULL;
+}
+
+//----------------------------------------------------------------------
+// Constructor
+//----------------------------------------------------------------------
+LanguageRuntime::LanguageRuntime(Process *process)
+{
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+LanguageRuntime::~LanguageRuntime()
+{
+}
diff --git a/source/Target/ObjCLanguageRuntime.cpp b/source/Target/ObjCLanguageRuntime.cpp
new file mode 100644
index 0000000..ab7e7e5
--- /dev/null
+++ b/source/Target/ObjCLanguageRuntime.cpp
@@ -0,0 +1,27 @@
+//===-- CPPLanguageRuntime.cpp -------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/ObjCLanguageRuntime.h"
+#include "lldb/Core/PluginManager.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+ObjCLanguageRuntime::~ObjCLanguageRuntime()
+{
+}
+
+ObjCLanguageRuntime::ObjCLanguageRuntime (Process *process) :
+    LanguageRuntime (process)
+{
+
+}
\ No newline at end of file
diff --git a/source/Target/Process.cpp b/source/Target/Process.cpp
index 6c26405..a123777 100644
--- a/source/Target/Process.cpp
+++ b/source/Target/Process.cpp
@@ -21,6 +21,9 @@
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Target/ABI.h"
+#include "lldb/Target/LanguageRuntime.h"
+#include "lldb/Target/CPPLanguageRuntime.h"
+#include "lldb/Target/ObjCLanguageRuntime.h"
 #include "lldb/Target/RegisterContext.h"
 #include "lldb/Target/StopInfo.h"
 #include "lldb/Target/Target.h"
@@ -460,6 +463,41 @@
     return m_abi_sp.get();
 }
 
+LanguageRuntime *
+Process::GetLanguageRuntime(lldb::LanguageType language)
+{
+    LanguageRuntimeCollection::iterator pos;
+    pos = m_language_runtimes.find (language);
+    if (pos == m_language_runtimes.end())
+    {
+        lldb::LanguageRuntimeSP runtime(LanguageRuntime::FindPlugin(this, language));
+        
+        m_language_runtimes[language] 
+            = runtime;
+        return runtime.get();
+    }
+    else
+        return (*pos).second.get();
+}
+
+CPPLanguageRuntime *
+Process::GetCPPLanguageRuntime ()
+{
+    LanguageRuntime *runtime = GetLanguageRuntime(eLanguageTypeC_plus_plus);
+    if (runtime != NULL && runtime->GetLanguageType() == eLanguageTypeC_plus_plus)
+        return static_cast<CPPLanguageRuntime *> (runtime);
+    return NULL;
+}
+
+ObjCLanguageRuntime *
+Process::GetObjCLanguageRuntime ()
+{
+    LanguageRuntime *runtime = GetLanguageRuntime(eLanguageTypeObjC);
+    if (runtime != NULL && runtime->GetLanguageType() == eLanguageTypeObjC)
+        return static_cast<ObjCLanguageRuntime *> (runtime);
+    return NULL;
+}
+
 BreakpointSiteList &
 Process::GetBreakpointSiteList()
 {