Move object/binding counter code to CompilationUnit

The code to update the counters operates entirely on data structures
from CompilationUnit, so it makes sense to move it into that class.
Plus - you guessed it - this will also be called when not using the type
compiler in the future.

Change-Id: I644b0914980b799be1020ed74d2791b127bbcf9f
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

src/qml/compiler/qqmltypecompiler.cpp

@@ -218,30 +218,7 @@ QV4::CompiledData::CompilationUnit *QQmlTypeCompiler::compile()
         }
     }
 
-    // Collect some data for instantiation later.
-    int bindingCount = 0;
-    int parserStatusCount = 0;
-    int objectCount = 0;
-    for (quint32 i = 0; i < qmlUnit->nObjects; ++i) {
-        const QV4::CompiledData::Object *obj = qmlUnit->objectAt(i);
-        bindingCount += obj->nBindings;
-        if (auto *typeRef = resolvedTypes.value(obj->inheritedTypeNameIndex)) {
-            if (QQmlType *qmlType = typeRef->type) {
-                if (qmlType->parserStatusCast() != -1)
-                    ++parserStatusCount;
-            }
-            ++objectCount;
-            if (typeRef->compilationUnit) {
-                bindingCount += typeRef->compilationUnit->totalBindingsCount;
-                parserStatusCount += typeRef->compilationUnit->totalParserStatusCount;
-                objectCount += typeRef->compilationUnit->totalObjectCount;
-            }
-        }
-    }
-
-    compilationUnit->totalBindingsCount = bindingCount;
-    compilationUnit->totalParserStatusCount = parserStatusCount;
-    compilationUnit->totalObjectCount = objectCount;
+    compilationUnit->updateBindingAndObjectCounters();
 
     if (errors.isEmpty())
         return compilationUnit;

src/qml/compiler/qv4compileddata.cpp

@@ -238,6 +238,34 @@ IdentifierHash<int> CompilationUnit::namedObjectsPerComponent(int componentObjec
     return *it;
 }
 
+void CompilationUnit::updateBindingAndObjectCounters()
+{
+
+    // Collect some data for instantiation later.
+    int bindingCount = 0;
+    int parserStatusCount = 0;
+    int objectCount = 0;
+    for (quint32 i = 0; i < data->nObjects; ++i) {
+        const QV4::CompiledData::Object *obj = data->objectAt(i);
+        bindingCount += obj->nBindings;
+        if (auto *typeRef = resolvedTypes.value(obj->inheritedTypeNameIndex)) {
+            if (QQmlType *qmlType = typeRef->type) {
+                if (qmlType->parserStatusCast() != -1)
+                    ++parserStatusCount;
+            }
+            ++objectCount;
+            if (typeRef->compilationUnit) {
+                bindingCount += typeRef->compilationUnit->totalBindingsCount;
+                parserStatusCount += typeRef->compilationUnit->totalParserStatusCount;
+                objectCount += typeRef->compilationUnit->totalObjectCount;
+            }
+        }
+    }
+
+    totalBindingsCount = bindingCount;
+    totalParserStatusCount = parserStatusCount;
+    totalObjectCount = objectCount;
+}
 #endif // V4_BOOTSTRAP
 
 Unit *CompilationUnit::createUnitData(QmlIR::Document *irDocument)

src/qml/compiler/qv4compileddata_p.h

@@ -760,6 +760,8 @@ struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
     QHash<int, IdentifierHash<int>> namedObjectsPerComponentCache;
     IdentifierHash<int> namedObjectsPerComponent(int componentObjectIndex);
 
+    void updateBindingAndObjectCounters();
+
     int totalBindingsCount; // Number of bindings used in this type
     int totalParserStatusCount; // Number of instantiated types that are QQmlParserStatus subclasses
     int totalObjectCount; // Number of objects explicitly instantiated