Introduce a FormattersMatchData class which contains all the information that data formatters need in one place, and also allows for lazy computation of expensive chunks of information if need be

This is a NFC commit that is essentially plumbing the new currency through the system

llvm-svn: 249366

1 files changed, 47 insertions, 0 deletions

diff --git a/lldb/source/DataFormatters/FormatClasses.cpp b/lldb/source/DataFormatters/FormatClasses.cpp
index f27b45b3049..2e4acd175f1 100644
--- a/lldb/source/DataFormatters/FormatClasses.cpp
+++ b/lldb/source/DataFormatters/FormatClasses.cpp
@@ -9,6 +9,8 @@
 
 #include "lldb/DataFormatters/FormatClasses.h"
 
+#include "lldb/DataFormatters/FormatManager.h"
+
 // C Includes
 
 // C++ Includes
@@ -20,3 +22,48 @@
 using namespace lldb;
 using namespace lldb_private;
 
+FormattersMatchData::FormattersMatchData (ValueObject& valobj, lldb::DynamicValueType use_dynamic) :
+    m_valobj(valobj),
+    m_dynamic_value_type(use_dynamic),
+    m_formatters_match_vector({},false),
+    m_type_for_cache(),
+    m_candidate_languages()
+{
+    m_type_for_cache = FormatManager::GetTypeForCache(valobj, use_dynamic);
+    m_candidate_languages = FormatManager::GetCandidateLanguages(valobj);
+}
+
+FormattersMatchVector
+FormattersMatchData::GetMatchesVector ()
+{
+    if (!m_formatters_match_vector.second)
+    {
+        m_formatters_match_vector.second = true;
+        m_formatters_match_vector.first = FormatManager::GetPossibleMatches(m_valobj, m_dynamic_value_type);
+    }
+    return m_formatters_match_vector.first;
+}
+
+ConstString
+FormattersMatchData::GetTypeForCache ()
+{
+    return m_type_for_cache;
+}
+
+CandidateLanguagesVector
+FormattersMatchData::GetCandidateLanguages ()
+{
+    return m_candidate_languages;
+}
+
+ValueObject&
+FormattersMatchData::GetValueObject ()
+{
+    return m_valobj;
+}
+
+lldb::DynamicValueType
+FormattersMatchData::GetDynamicValueType ()
+{
+    return m_dynamic_value_type;
+}