From 57bee1edfcdc8bbf60f39935b5603a558a341cff Mon Sep 17 00:00:00 2001
From: Ryan Brown <ribrdb@google.com>
Date: Mon, 14 Sep 2015 22:45:11 +0000
Subject: Add a TypeSystem for Go

Add GoASTContext and DWARFASTParserGo to support go.

Differential Revision: http://reviews.llvm.org/D12585

llvm-svn: 247629
---
 lldb/source/Core/Module.cpp | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'lldb/source/Core/Module.cpp')

diff --git a/lldb/source/Core/Module.cpp b/lldb/source/Core/Module.cpp
index 2fbc5e7af164..256673361a7d 100644
--- a/lldb/source/Core/Module.cpp
+++ b/lldb/source/Core/Module.cpp
@@ -25,6 +25,7 @@
 #include "lldb/Interpreter/ScriptInterpreter.h"
 #include "lldb/Symbol/ClangASTContext.h"
 #include "lldb/Symbol/CompileUnit.h"
+#include "lldb/Symbol/GoASTContext.h"
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Symbol/SymbolContext.h"
 #include "lldb/Symbol/SymbolVendor.h"
@@ -148,6 +149,7 @@ Module::Module (const ModuleSpec &module_spec) :
     m_objfile_sp (),
     m_symfile_ap (),
     m_ast (new ClangASTContext),
+    m_go_ast(),
     m_source_mappings (),
     m_sections_ap(),
     m_did_load_objfile (false),
@@ -252,6 +254,7 @@ Module::Module(const FileSpec& file_spec,
     m_objfile_sp (),
     m_symfile_ap (),
     m_ast (new ClangASTContext),
+    m_go_ast(),
     m_source_mappings (),
     m_sections_ap(),
     m_did_load_objfile (false),
@@ -298,6 +301,7 @@ Module::Module () :
     m_objfile_sp (),
     m_symfile_ap (),
     m_ast (new ClangASTContext),
+    m_go_ast(),
     m_source_mappings (),
     m_sections_ap(),
     m_did_load_objfile (false),
@@ -420,7 +424,22 @@ Module::GetUUID()
 TypeSystem *
 Module::GetTypeSystemForLanguage (LanguageType language)
 {
-    if (language != eLanguageTypeSwift)
+    if (language == eLanguageTypeGo)
+    {
+        Mutex::Locker locker (m_mutex);
+        if (!m_go_ast)
+        {
+            ObjectFile * objfile = GetObjectFile();
+            ArchSpec object_arch;
+            if (objfile && objfile->GetArchitecture(object_arch))
+            {
+                m_go_ast.reset(new GoASTContext);
+                m_go_ast->SetAddressByteSize(object_arch.GetAddressByteSize());
+            }
+        }
+        return m_go_ast.get();
+    }
+    else if (language != eLanguageTypeSwift)
     {
         // For now assume all languages except swift use the ClangASTContext for types
         return &GetClangASTContext();
-- 
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