Reordered listing of structures and handles

-> no need to forward declare the structures any more

VulkanHppGenerator.cpp

@@ -1919,24 +1919,6 @@ void VulkanHppGenerator::appendEnumToString( std::string &
   str += "  }\n";
 }
 
-void VulkanHppGenerator::appendForwardDeclarations( std::string & str ) const
-{
-  str += "\n";
-  for ( auto const & structure : m_structures )
-  {
-    std::string enter, leave;
-    std::tie( enter, leave ) = generateProtection( structure.first, !structure.second.aliases.empty() );
-
-    str += enter + "  " + ( structure.second.isUnion ? "union" : "struct" ) + " " +
-           stripPrefix( structure.first, "Vk" ) + ";\n";
-    for ( std::string const & alias : structure.second.aliases )
-    {
-      str += "  using " + stripPrefix( alias, "Vk" ) + " = " + stripPrefix( structure.first, "Vk" ) + ";\n";
-    }
-    str += leave;
-  }
-}
-
 bool needsMultiVectorSizeCheck( size_t returnParamIndex, std::map<size_t, size_t> const & vectorParamIndices )
 {
   for ( std::map<size_t, size_t>::const_iterator it0 = vectorParamIndices.begin(); it0 != vectorParamIndices.end();
@@ -3101,13 +3083,12 @@ void VulkanHppGenerator::appendFunctionHeaderTemplate( std::string &       str,
   str += std::string( "typename Dispatch" ) + ( withDefault ? " = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE" : "" ) + ">\n";
 }
 
-void VulkanHppGenerator::appendHandle( std::string &                              str,
-                                       std::pair<std::string, HandleData> const & handleData,
-                                       std::set<std::string> &                    listedHandles ) const
+void VulkanHppGenerator::appendHandle( std::string & str, std::pair<std::string, HandleData> const & handleData )
 {
-  if ( listedHandles.find( handleData.first ) == listedHandles.end() )
-  {
-    listedHandles.insert( handleData.first );
+  assert( m_listingTypes.find( handleData.first ) == m_listingTypes.end() );
+  m_listingTypes.insert( handleData.first );
+
+  assert( m_listedTypes.find( handleData.first ) == m_listedTypes.end() );
 
   // first check for any handle that needs to be listed before this one
   for ( auto const & command : handleData.second.commands )
@@ -3116,11 +3097,9 @@ void VulkanHppGenerator::appendHandle( std::string &
     assert( commandIt != m_commands.end() );
     for ( auto const & parameter : commandIt->second.params )
     {
-        std::string typeName  = parameter.type.type;
-        auto        handlesIt = m_handles.find( typeName );
-        if ( ( handlesIt != m_handles.end() ) && ( listedHandles.find( typeName ) == listedHandles.end() ) )
+      if ( handleData.first != parameter.type.type )  // the commands use this handleData type !
       {
-          appendHandle( str, *handlesIt, listedHandles );
+        appendType( str, parameter.type.type );
       }
     }
   }
@@ -3308,20 +3287,27 @@ ${commands}
 
     if ( !handleData.second.alias.empty() )
     {
-        str += "  using " + stripPrefix( handleData.second.alias, "Vk" ) + " = " +
-               stripPrefix( handleData.first, "Vk" ) + ";\n";
+      str += "  using " + stripPrefix( handleData.second.alias, "Vk" ) + " = " + stripPrefix( handleData.first, "Vk" ) +
+             ";\n";
     }
     str += leave;
   }
-  }
+
+  m_listingTypes.erase( handleData.first );
+  m_listedTypes.insert( handleData.first );
 }
 
-void VulkanHppGenerator::appendHandles( std::string & str ) const
+void VulkanHppGenerator::appendHandles( std::string & str )
 {
   std::set<std::string> listedHandles;
   for ( auto const & handle : m_handles )
   {
-    appendHandle( str, handle, listedHandles );
+    if ( m_listedTypes.find( handle.first ) == m_listedTypes.end() )
+    {
+      assert( m_listingTypes.empty() );
+      appendHandle( str, handle );
+      assert( m_listingTypes.empty() );
+    }
   }
 }
 
@@ -3483,29 +3469,27 @@ void VulkanHppGenerator::appendResultExceptions( std::string & str ) const
   str += "\n";
 }
 
-void VulkanHppGenerator::appendStruct( std::string &                                 str,
-                                       std::pair<std::string, StructureData> const & structure,
-                                       std::set<std::string> &                       listedStructures ) const
+void VulkanHppGenerator::appendStruct( std::string & str, std::pair<std::string, StructureData> const & structure )
 {
-  if ( listedStructures.find( structure.first ) == listedStructures.end() )
-  {
-    listedStructures.insert( structure.first );
+  assert( m_listingTypes.find( structure.first ) == m_listingTypes.end() );
+  m_listingTypes.insert( structure.first );
+
+  assert( m_listedTypes.find( structure.first ) == m_listedTypes.end() );
+
   for ( auto const & member : structure.second.members )
   {
-      auto structureIt = m_structures.find( member.type.type );
-      if ( ( structureIt != m_structures.end() ) &&
-           ( listedStructures.find( member.type.type ) == listedStructures.end() ) )
+    if ( structure.first != member.type.type )  // some structures hold a pointer to the very same structure type
     {
-        appendStruct( str, *structureIt, listedStructures );
+      appendType( str, member.type.type );
     }
   }
+
   if ( !structure.second.subStruct.empty() )
   {
     auto structureIt = m_structures.find( structure.second.subStruct );
-      if ( ( structureIt != m_structures.end() ) &&
-           ( listedStructures.find( structureIt->first ) == listedStructures.end() ) )
+    if ( ( structureIt != m_structures.end() ) && ( m_listedTypes.find( structureIt->first ) == m_listedTypes.end() ) )
     {
-        appendStruct( str, *structureIt, listedStructures );
+      appendStruct( str, *structureIt );
     }
   }
 
@@ -3517,7 +3501,9 @@ void VulkanHppGenerator::appendStruct( std::string &
   {
     appendStructure( str, structure );
   }
-  }
+
+  m_listingTypes.erase( structure.first );
+  m_listedTypes.insert( structure.first );
 }
 
 void VulkanHppGenerator::appendStructAssignmentOperators( std::string &                                 str,
@@ -3899,12 +3885,16 @@ std::string VulkanHppGenerator::appendStructMembers( std::string &
   return sTypeValue;
 }
 
-void VulkanHppGenerator::appendStructs( std::string & str ) const
+void VulkanHppGenerator::appendStructs( std::string & str )
 {
-  std::set<std::string> listedStructures;
   for ( auto const & structure : m_structures )
   {
-    appendStruct( str, structure, listedStructures );
+    if ( m_listedTypes.find( structure.first ) == m_listedTypes.end() )
+    {
+      assert( m_listingTypes.empty() );
+      appendStruct( str, structure );
+      assert( m_listingTypes.empty() );
+    }
   }
 }
 
@@ -4144,6 +4134,12 @@ ${members}
 )";
     str += replaceWithMap( cppTypeTemplate, { { "sTypeValue", sTypeValue }, { "structureName", structureName } } );
   }
+
+  for ( std::string const & alias : structure.second.aliases )
+  {
+    str += "  using " + stripPrefix( alias, "Vk" ) + " = " + stripPrefix( structure.first, "Vk" ) + ";\n";
+  }
+
   str += leave;
 }
 
@@ -4234,6 +4230,62 @@ void VulkanHppGenerator::appendThrowExceptions( std::string & str ) const
     "  }\n";
 }
 
+void VulkanHppGenerator::appendType( std::string & str, std::string const & typeName )
+{
+  if ( m_listedTypes.find( typeName ) == m_listedTypes.end() )
+  {
+    auto typeIt = m_types.find( typeName );
+    assert( typeIt != m_types.end() );
+    switch ( typeIt->second.category )
+    {
+      case TypeCategory::Handle:
+      {
+        auto handleIt = m_handles.find( typeName );
+        if ( handleIt == m_handles.end() )
+        {
+          handleIt = std::find_if(
+            m_handles.begin(), m_handles.end(), [&typeName]( std::pair<std::string, HandleData> const & hd ) {
+              return hd.second.alias == typeName;
+            } );
+          assert( handleIt != m_handles.end() );
+          if ( m_listedTypes.find( handleIt->first ) == m_listedTypes.end() )
+          {
+            appendHandle( str, *handleIt );
+          }
+        }
+        else
+        {
+          appendHandle( str, *handleIt );
+        }
+      }
+      break;
+      case TypeCategory::Struct:
+      case TypeCategory::Union:
+      {
+        auto structIt = m_structures.find( typeName );
+        if ( structIt == m_structures.end() )
+        {
+          structIt = std::find_if(
+            m_structures.begin(), m_structures.end(), [&typeName]( std::pair<std::string, StructureData> const & sd ) {
+              return sd.second.aliases.find( typeName ) != sd.second.aliases.end();
+            } );
+          assert( structIt != m_structures.end() );
+          if ( m_listedTypes.find( structIt->first ) == m_listedTypes.end() )
+          {
+            appendStruct( str, *structIt );
+          }
+        }
+        else
+        {
+          appendStruct( str, *structIt );
+        }
+      }
+      break;
+      default: m_listedTypes.insert( typeIt->first ); break;
+    }
+  }
+}
+
 void VulkanHppGenerator::appendUnion( std::string & str, std::pair<std::string, StructureData> const & structure ) const
 {
   std::string enter, leave;
@@ -8911,9 +8963,8 @@ namespace std
     generator.appendResultExceptions( str );
     generator.appendThrowExceptions( str );
     str += "#endif\n" + structResultValue;
-    generator.appendForwardDeclarations( str );
-    generator.appendHandles( str );
     generator.appendStructs( str );
+    generator.appendHandles( str );
     generator.appendHandlesCommandDefintions( str );
     generator.appendStructureChainValidation( str );
     generator.appendDispatchLoaderDynamic( str );

VulkanHppGenerator.hpp

@@ -32,12 +32,11 @@ public:
   void appendDispatchLoaderDefault(
     std::string & str );  // typedef to DispatchLoaderStatic or undefined type, based on VK_NO_PROTOTYPES
   void                appendEnums( std::string & str ) const;
-  void                appendForwardDeclarations( std::string & str ) const;
-  void                appendHandles( std::string & str ) const;
+  void                appendHandles( std::string & str );
   void                appendHandlesCommandDefintions( std::string & str ) const;
   void                appendHashStructures( std::string & str ) const;
   void                appendResultExceptions( std::string & str ) const;
-  void                appendStructs( std::string & str ) const;
+  void                appendStructs( std::string & str );
   void                appendStructureChainValidation( std::string & str );
   void                appendThrowExceptions( std::string & str ) const;
   void                appendIndexTypeTraits( std::string & str ) const;
@@ -469,11 +468,9 @@ private:
                                      bool                withDefault,
                                      bool                isStructureChain ) const;
   void appendHandle( std::string &                              str,
-                     std::pair<std::string, HandleData> const & handle,
-                     std::set<std::string> &                    listedHandles ) const;
+                     std::pair<std::string, HandleData> const & handle );
   void appendStruct( std::string &                                 str,
-                     std::pair<std::string, StructureData> const & structure,
-                     std::set<std::string> &                       listedStructures ) const;
+                     std::pair<std::string, StructureData> const & structure );
   void appendStructAssignmentOperators( std::string &                                 str,
                                         std::pair<std::string, StructureData> const & structure,
                                         std::string const &                           prefix ) const;
@@ -499,6 +496,7 @@ private:
                                           std::pair<std::string, StructureData> const & structData,
                                           std::string const &                           prefix ) const;
   void        appendStructure( std::string & str, std::pair<std::string, StructureData> const & structure ) const;
+  void        appendType( std::string & str, std::string const & typeName );
   void        appendUnion( std::string & str, std::pair<std::string, StructureData> const & structure ) const;
   void        appendUniqueTypes( std::string &                 str,
                                  std::string const &           parentType,
@@ -625,6 +623,8 @@ private:
   std::map<std::string, FuncPointerData> m_funcPointers;
   std::map<std::string, HandleData>      m_handles;
   std::set<std::string>                  m_includes;
+  std::set<std::string>                  m_listedTypes;
+  std::set<std::string>                  m_listingTypes;
   std::map<std::string, PlatformData>    m_platforms;
   std::map<std::string, std::string>     m_structureAliases;
   std::map<std::string, StructureData>   m_structures;