Add a summary for vector types

The summary is - quite simply - a one-line printout of the vector elements

We still need synthetic children:
a) as a source of the elements to print in the summary
b) for graphical IDEs that display structure regardless of the summary settings

rdar://5429347

llvm-svn: 241531

2 files changed, 67 insertions, 1 deletions

diff --git a/lldb/source/DataFormatters/FormatManager.cpp b/lldb/source/DataFormatters/FormatManager.cpp
index 47456ba5c45..4e0fffbe6a1 100644
--- a/lldb/source/DataFormatters/FormatManager.cpp
+++ b/lldb/source/DataFormatters/FormatManager.cpp
@@ -1608,6 +1608,26 @@ FormatManager::LoadHardcodedFormatters()
                                             }
                                             return nullptr;
                                         });
+        m_hardcoded_summaries.push_back(
+                                         [](lldb_private::ValueObject& valobj,
+                                            lldb::DynamicValueType,
+                                            FormatManager& fmt_mgr) -> TypeSummaryImpl::SharedPointer {
+                                             static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags()
+                                                                                                                                      .SetCascades(true)
+                                                                                                                                      .SetDontShowChildren(true)
+                                                                                                                                      .SetHideItemNames(true)
+                                                                                                                                      .SetShowMembersOneLiner(true)
+                                                                                                                                      .SetSkipPointers(true)
+                                                                                                                                      .SetSkipReferences(false),
+                                                                                                                                      lldb_private::formatters::VectorTypeSummaryProvider,
+                                                                                                                                      "vector_type pointer summary provider"));
+                                             if (valobj.GetClangType().IsVectorType(nullptr, nullptr))
+                                             {
+                                                 if (fmt_mgr.GetCategory(fmt_mgr.m_vectortypes_category_name)->IsEnabled())
+                                                     return formatter_sp;
+                                             }
+                                             return nullptr;
+                                         });
     }
     {
         // insert code to load synthetics here
diff --git a/lldb/source/DataFormatters/VectorType.cpp b/lldb/source/DataFormatters/VectorType.cpp
index 57bf696ba4f..316d7b540bc 100644
--- a/lldb/source/DataFormatters/VectorType.cpp
+++ b/lldb/source/DataFormatters/VectorType.cpp
@@ -7,9 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "lldb/DataFormatters/CXXFormatterFunctions.h"
+#include "lldb/DataFormatters/VectorType.h"
 
 #include "lldb/Core/ValueObject.h"
+#include "lldb/DataFormatters/CXXFormatterFunctions.h"
 #include "lldb/Symbol/ClangASTContext.h"
 #include "lldb/Symbol/ClangASTType.h"
 
@@ -267,6 +268,51 @@ namespace lldb_private {
     }
 }
 
+bool
+lldb_private::formatters::VectorTypeSummaryProvider (ValueObject& valobj,
+                                                     Stream& s,
+                                                     const TypeSummaryOptions&)
+{
+    auto synthetic_children = VectorTypeSyntheticFrontEndCreator(nullptr, valobj.GetSP());
+    if (!synthetic_children)
+        return false;
+    
+    synthetic_children->Update();
+    
+    s.PutChar('(');
+    bool first = true;
+    
+    size_t idx = 0, len = synthetic_children->CalculateNumChildren();
+    
+    for (;
+         idx < len;
+         idx++)
+    {
+        auto child_sp = synthetic_children->GetChildAtIndex(idx);
+        if (!child_sp)
+            continue;
+        child_sp = child_sp->GetQualifiedRepresentationIfAvailable(lldb::eDynamicDontRunTarget, true);
+        
+        const char* child_value = child_sp->GetValueAsCString();
+        if (child_value && *child_value)
+        {
+            if (first)
+            {
+                s.Printf("%s", child_value);
+                first = false;
+            }
+            else
+            {
+                s.Printf(", %s", child_value);
+            }
+        }
+    }
+    
+    s.PutChar(')');
+    
+    return true;
+}
+
 lldb_private::SyntheticChildrenFrontEnd*
 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
 {