Add API to support retrieving the formatters category for a specific language

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@256033 91177308-0d34-0410-b5e6-96231b3b80d8

Author: Enrico Granata

include/lldb/API/SBDebugger.h

@@ -286,6 +286,9 @@ class LLDB_API SBDebugger
     SBTypeCategory
     GetCategory (const char* category_name);
 
+    SBTypeCategory
+    GetCategory (lldb::LanguageType lang_type);
+    
     SBTypeCategory
     CreateCategory (const char* category_name);
 

packages/Python/lldbsuite/test/python_api/formatters/TestFormattersSBAPI.py

@@ -290,6 +290,8 @@ def cleanup():
         self.expect("frame variable e1", substrs=["I am an empty Empty1 {}"])
         self.expect("frame variable e2", substrs=["I am an empty Empty2"])
         self.expect("frame variable e2", substrs=["I am an empty Empty2 {}"], matching=False)
+        
+        self.assertTrue(self.dbg.GetCategory(lldb.eLanguageTypeObjC) is not None, "ObjC category is None")
 
     @add_test_categories(['pyapi'])
     def test_force_synth_off(self):

scripts/interface/SBDebugger.i

@@ -343,6 +343,9 @@ public:
     lldb::SBTypeCategory
     GetCategory (const char* category_name);
 
+    SBTypeCategory
+    GetCategory (lldb::LanguageType lang_type);
+    
     lldb::SBTypeCategory
     CreateCategory (const char* category_name);
 

source/API/SBDebugger.cpp

@@ -1268,6 +1268,16 @@ SBDebugger::GetCategory (const char* category_name)
         return SBTypeCategory();
 }
 
+SBTypeCategory
+SBDebugger::GetCategory (lldb::LanguageType lang_type)
+{
+    TypeCategoryImplSP category_sp;
+    if (DataVisualization::Categories::GetCategory(lang_type, category_sp))
+        return SBTypeCategory(category_sp);
+    else
+        return SBTypeCategory();
+}
+
 SBTypeCategory
 SBDebugger::CreateCategory (const char* category_name)
 {