Add FLATBUFFERS_COMPATIBILITY string (#5381)

* Add FLATBUFFERS_COMPATIBILITY string

- Add a new __reset method NET/JAVA which hides internal state

* Resolve PR notes

* Use operator new() to __init of Struct and Table

* Restrict visibility of C# Table/Struct to internal level

include/flatbuffers/base.h

@@ -144,6 +144,10 @@
 #define FLATBUFFERS_VERSION_REVISION 0
 #define FLATBUFFERS_STRING_EXPAND(X) #X
 #define FLATBUFFERS_STRING(X) FLATBUFFERS_STRING_EXPAND(X)
+namespace flatbuffers {
+  // Returns version as string  "MAJOR.MINOR.REVISION".
+  const char* FLATBUFFERS_VERSION();
+}
 
 #if (!defined(_MSC_VER) || _MSC_VER > 1600) && \
     (!defined(__GNUC__) || (__GNUC__ * 100 + __GNUC_MINOR__ >= 407)) || \

java/com/google/flatbuffers/Struct.java

@@ -29,6 +29,21 @@ public class Struct {
   /** The underlying ByteBuffer to hold the data of the Struct. */
   protected ByteBuffer bb;
 
+  /**
+   * Re-init the internal state with an external buffer {@code ByteBuffer} and an offset within.
+   *
+   * This method exists primarily to allow recycling Table instances without risking memory leaks
+   * due to {@code ByteBuffer} references.
+   */
+  protected void __reset(int _i, ByteBuffer _bb) { 
+    bb = _bb;
+    if (bb != null) {
+      bb_pos = _i;
+    } else {
+      bb_pos = 0;
+    }
+  }
+
   /**
    * Resets internal state with a null {@code ByteBuffer} and a zero position.
    *
@@ -39,8 +54,7 @@ public class Struct {
    * @param struct the instance to reset to initial state
    */
   public void __reset() {
-    bb = null;
+    __reset(0, null);
-    bb_pos = 0;
   }
 }
 

java/com/google/flatbuffers/Table.java

@@ -38,9 +38,9 @@ public class Table {
   /** The underlying ByteBuffer to hold the data of the Table. */
   protected ByteBuffer bb;
   /** Used to hold the vtable position. */
-  protected int vtable_start;
+  private int vtable_start;
   /** Used to hold the vtable size. */
-  protected int vtable_size;
+  private int vtable_size;
   Utf8 utf8 = Utf8.getDefault();
 
   /**
@@ -263,6 +263,25 @@ public class Table {
     return len_1 - len_2;
   }
 
+  /**
+   * Re-init the internal state with an external buffer {@code ByteBuffer} and an offset within.
+   *
+   * This method exists primarily to allow recycling Table instances without risking memory leaks
+   * due to {@code ByteBuffer} references.
+   */
+  protected void __reset(int _i, ByteBuffer _bb) { 
+    bb = _bb;
+    if (bb != null) {
+      bb_pos = _i;
+      vtable_start = bb_pos - bb.getInt(bb_pos);
+      vtable_size = bb.getShort(vtable_start);
+    } else {
+      bb_pos = 0;
+      vtable_start = 0;
+      vtable_size = 0;
+    }
+  }
+
   /**
    * Resets the internal state with a null {@code ByteBuffer} and a zero position.
    *
@@ -271,10 +290,7 @@ public class Table {
    * again to a {@code ByteBuffer}.
    */
   public void __reset() {
-    bb = null;
+    __reset(0, null);
-    bb_pos = 0;
-    vtable_start = 0;
-    vtable_size = 0;
   }
 }
 

net/FlatBuffers/Struct.cs

@@ -19,9 +19,16 @@ namespace FlatBuffers
     /// <summary>
     /// All structs in the generated code derive from this class, and add their own accessors.
     /// </summary>
-    public struct Struct
+    internal struct Struct
     {
-        public int bb_pos;
+        public int bb_pos { get; private set; }
-        public ByteBuffer bb;
+        public ByteBuffer bb { get; private set; }
+
+        // Re-init the internal state with an external buffer {@code ByteBuffer} and an offset within.
+        public Struct(int _i, ByteBuffer _bb)
+        {
+            bb = _bb;
+            bb_pos = _i;
+        }
     }
 }

net/FlatBuffers/Table.cs

@@ -22,13 +22,20 @@ namespace FlatBuffers
     /// <summary>
     /// All tables in the generated code derive from this struct, and add their own accessors.
     /// </summary>
-    public struct Table
+    internal struct Table
     {
-        public int bb_pos;
+        public int bb_pos { get; private set; }
-        public ByteBuffer bb;
+        public ByteBuffer bb { get; private set; }
 
         public ByteBuffer ByteBuffer { get { return bb; } }
 
+        // Re-init the internal state with an external buffer {@code ByteBuffer} and an offset within.
+        public Table(int _i, ByteBuffer _bb)
+        {
+            bb = _bb;
+            bb_pos = _i;
+        }
+
         // Look up a field in the vtable, return an offset into the object, or 0 if the field is not
         // present.
         public int __offset(int vtableOffset)

src/flatc.cpp

@@ -18,10 +18,10 @@
 
 #include <list>
 
-#define FLATC_VERSION "1.11.0"
-
 namespace flatbuffers {
 
+const char *FLATC_VERSION() { return FLATBUFFERS_VERSION(); }
+
 void FlatCompiler::ParseFile(
     flatbuffers::Parser &parser, const std::string &filename,
     const std::string &contents,
@@ -294,7 +294,7 @@ int FlatCompiler::Compile(int argc, const char **argv) {
       } else if (arg == "-M") {
         print_make_rules = true;
       } else if (arg == "--version") {
-        printf("flatc version %s\n", FLATC_VERSION);
+        printf("flatc version %s\n", FLATC_VERSION());
         exit(0);
       } else if (arg == "--grpc") {
         grpc_enabled = true;

src/idl_gen_general.cpp

@@ -833,7 +833,18 @@ class GeneralGenerator : public BaseGenerator {
       code += struct_def.fixed ? "Struct" : "Table";
       code += lang_.open_curly;
     }
+
     if (!struct_def.fixed) {
+      // Generate verson check method.
+      // Force compile time error if not using the same version runtime.
+      code += "  public static void ValidateVersion() {";
+      if (lang_.language == IDLOptions::kCSharp)
+        code += " FlatBufferConstants.";
+      else
+        code += " Constants.";
+      code += "FLATBUFFERS_1_11_1(); ";
+      code += "}\n";
+
       // Generate a special accessor for the table that when used as the root
       // of a FlatBuffer
       std::string method_name =
@@ -849,11 +860,6 @@ class GeneralGenerator : public BaseGenerator {
       // create method that allows object reuse
       code +=
           method_signature + "(ByteBuffer _bb, " + struct_def.name + " obj) { ";
-      // Force compile time error if not using the same version runtime.
-      if (lang_.language == IDLOptions::kCSharp)
-        code += "FlatBufferConstants.FLATBUFFERS_1_11_1(); ";
-      else
-        code += "Constants.FLATBUFFERS_1_11_1(); ";
       code += lang_.set_bb_byteorder;
       code += "return (obj.__assign(_bb." + FunctionStart('G') + "etInt(_bb.";
       code += lang_.get_bb_position;
@@ -875,14 +881,13 @@ class GeneralGenerator : public BaseGenerator {
     // Generate the __init method that sets the field in a pre-existing
     // accessor object. This is to allow object reuse.
     code += "  public void __init(int _i, ByteBuffer _bb) ";
-    code += "{ " + lang_.accessor_prefix + "bb_pos = _i; ";
+    code += "{ ";
-    code += lang_.accessor_prefix + "bb = _bb; ";
+    if (lang_.language == IDLOptions::kCSharp) {
-    if (!struct_def.fixed && lang_.language == IDLOptions::kJava) {
+      code += "__p = new ";
-      code += lang_.accessor_prefix + "vtable_start = " + lang_.accessor_prefix + "bb_pos - ";
+      code += struct_def.fixed ? "Struct" : "Table";
-      code += lang_.accessor_prefix + "bb." + FunctionStart('G') + "etInt(";
+      code += "(_i, _bb); ";
-      code += lang_.accessor_prefix + "bb_pos); " + lang_.accessor_prefix + "vtable_size = ";
+    } else {
-      code += lang_.accessor_prefix + "bb." + FunctionStart('G') + "etShort(";
+      code += "__reset(_i, _bb); ";
-      code += lang_.accessor_prefix + "vtable_start); ";
     }
     code += "}\n";
     code +=

src/idl_parser.cpp

@@ -26,6 +26,16 @@
 
 namespace flatbuffers {
 
+// Reflects the version at the compiling time of binary(lib/dll/so).
+const char *FLATBUFFERS_VERSION() {
+  // clang-format off
+  return 
+      FLATBUFFERS_STRING(FLATBUFFERS_VERSION_MAJOR) "."
+      FLATBUFFERS_STRING(FLATBUFFERS_VERSION_MINOR) "."
+      FLATBUFFERS_STRING(FLATBUFFERS_VERSION_REVISION);
+  // clang-format on
+}
+
 const double kPi = 3.14159265358979323846;
 
 const char *const kTypeNames[] = {
@@ -1747,7 +1757,7 @@ struct EnumValBuilder {
     auto ascending = false;
     if (enum_def.IsUInt64()) {
       uint64_t u64;
-      fit = StringToNumber(value.c_str(), &u64); 
+      fit = StringToNumber(value.c_str(), &u64);
       ascending = u64 > temp->GetAsUInt64();
       temp->value = static_cast<int64_t>(u64);  // well-defined since C++20.
     } else {

tests/FlatBuffers.Test/TestTable.cs

@@ -25,8 +25,7 @@ namespace FlatBuffers.Test
 
         public TestTable(ByteBuffer bb, int pos)
         {
-            t.bb = bb;
+          t = new Table(pos, bb);
-            t.bb_pos = pos;
         }
 
         public bool GetSlot(int slot, bool def)

tests/MyGame/Example/Ability.cs

@@ -12,7 +12,7 @@ public struct Ability : IFlatbufferObject
 {
   private Struct __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Struct(_i, _bb); }
   public Ability __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public uint Id { get { return __p.bb.GetUint(__p.bb_pos + 0); } }

tests/MyGame/Example/Ability.java

@@ -9,7 +9,7 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Ability extends Struct {
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Ability __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public long id() { return (long)bb.getInt(bb_pos + 0) & 0xFFFFFFFFL; }

tests/MyGame/Example/Monster.cs

@@ -13,10 +13,11 @@ public struct Monster : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static Monster GetRootAsMonster(ByteBuffer _bb) { return GetRootAsMonster(_bb, new Monster()); }
-  public static Monster GetRootAsMonster(ByteBuffer _bb, Monster obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static Monster GetRootAsMonster(ByteBuffer _bb, Monster obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public static bool MonsterBufferHasIdentifier(ByteBuffer _bb) { return Table.__has_identifier(_bb, "MONS"); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public Monster __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public MyGame.Example.Vec3? Pos { get { int o = __p.__offset(4); return o != 0 ? (MyGame.Example.Vec3?)(new MyGame.Example.Vec3()).__assign(o + __p.bb_pos, __p.bb) : null; } }

tests/MyGame/Example/Monster.java

@@ -12,10 +12,11 @@ import com.google.flatbuffers.*;
  * an example documentation comment: monster object
  */
 public final class Monster extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static Monster getRootAsMonster(ByteBuffer _bb) { return getRootAsMonster(_bb, new Monster()); }
-  public static Monster getRootAsMonster(ByteBuffer _bb, Monster obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static Monster getRootAsMonster(ByteBuffer _bb, Monster obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public static boolean MonsterBufferHasIdentifier(ByteBuffer _bb) { return __has_identifier(_bb, "MONS"); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Monster __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public MyGame.Example.Vec3 pos() { return pos(new MyGame.Example.Vec3()); }

tests/MyGame/Example/Referrable.cs

@@ -12,9 +12,10 @@ public struct Referrable : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static Referrable GetRootAsReferrable(ByteBuffer _bb) { return GetRootAsReferrable(_bb, new Referrable()); }
-  public static Referrable GetRootAsReferrable(ByteBuffer _bb, Referrable obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static Referrable GetRootAsReferrable(ByteBuffer _bb, Referrable obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public Referrable __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public ulong Id { get { int o = __p.__offset(4); return o != 0 ? __p.bb.GetUlong(o + __p.bb_pos) : (ulong)0; } }

tests/MyGame/Example/Referrable.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Referrable extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static Referrable getRootAsReferrable(ByteBuffer _bb) { return getRootAsReferrable(_bb, new Referrable()); }
-  public static Referrable getRootAsReferrable(ByteBuffer _bb, Referrable obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static Referrable getRootAsReferrable(ByteBuffer _bb, Referrable obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Referrable __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public long id() { int o = __offset(4); return o != 0 ? bb.getLong(o + bb_pos) : 0L; }

tests/MyGame/Example/Stat.cs

@@ -12,9 +12,10 @@ public struct Stat : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static Stat GetRootAsStat(ByteBuffer _bb) { return GetRootAsStat(_bb, new Stat()); }
-  public static Stat GetRootAsStat(ByteBuffer _bb, Stat obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static Stat GetRootAsStat(ByteBuffer _bb, Stat obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public Stat __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public string Id { get { int o = __p.__offset(4); return o != 0 ? __p.__string(o + __p.bb_pos) : null; } }

tests/MyGame/Example/Stat.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Stat extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static Stat getRootAsStat(ByteBuffer _bb) { return getRootAsStat(_bb, new Stat()); }
-  public static Stat getRootAsStat(ByteBuffer _bb, Stat obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static Stat getRootAsStat(ByteBuffer _bb, Stat obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Stat __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public String id() { int o = __offset(4); return o != 0 ? __string(o + bb_pos) : null; }

tests/MyGame/Example/Test.cs

@@ -12,7 +12,7 @@ public struct Test : IFlatbufferObject
 {
   private Struct __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Struct(_i, _bb); }
   public Test __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public short A { get { return __p.bb.GetShort(__p.bb_pos + 0); } }

tests/MyGame/Example/Test.java

@@ -9,7 +9,7 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Test extends Struct {
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Test __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public short a() { return bb.getShort(bb_pos + 0); }

tests/MyGame/Example/TestSimpleTableWithEnum.cs

@@ -12,9 +12,10 @@ internal partial struct TestSimpleTableWithEnum : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static TestSimpleTableWithEnum GetRootAsTestSimpleTableWithEnum(ByteBuffer _bb) { return GetRootAsTestSimpleTableWithEnum(_bb, new TestSimpleTableWithEnum()); }
-  public static TestSimpleTableWithEnum GetRootAsTestSimpleTableWithEnum(ByteBuffer _bb, TestSimpleTableWithEnum obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static TestSimpleTableWithEnum GetRootAsTestSimpleTableWithEnum(ByteBuffer _bb, TestSimpleTableWithEnum obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public TestSimpleTableWithEnum __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public MyGame.Example.Color Color { get { int o = __p.__offset(4); return o != 0 ? (MyGame.Example.Color)__p.bb.Get(o + __p.bb_pos) : MyGame.Example.Color.Green; } }

tests/MyGame/Example/TestSimpleTableWithEnum.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 final class TestSimpleTableWithEnum extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static TestSimpleTableWithEnum getRootAsTestSimpleTableWithEnum(ByteBuffer _bb) { return getRootAsTestSimpleTableWithEnum(_bb, new TestSimpleTableWithEnum()); }
-  public static TestSimpleTableWithEnum getRootAsTestSimpleTableWithEnum(ByteBuffer _bb, TestSimpleTableWithEnum obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static TestSimpleTableWithEnum getRootAsTestSimpleTableWithEnum(ByteBuffer _bb, TestSimpleTableWithEnum obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public TestSimpleTableWithEnum __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int color() { int o = __offset(4); return o != 0 ? bb.get(o + bb_pos) & 0xFF : 2; }

tests/MyGame/Example/TypeAliases.cs

@@ -12,9 +12,10 @@ public struct TypeAliases : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static TypeAliases GetRootAsTypeAliases(ByteBuffer _bb) { return GetRootAsTypeAliases(_bb, new TypeAliases()); }
-  public static TypeAliases GetRootAsTypeAliases(ByteBuffer _bb, TypeAliases obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static TypeAliases GetRootAsTypeAliases(ByteBuffer _bb, TypeAliases obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public TypeAliases __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public sbyte I8 { get { int o = __p.__offset(4); return o != 0 ? __p.bb.GetSbyte(o + __p.bb_pos) : (sbyte)0; } }

tests/MyGame/Example/TypeAliases.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class TypeAliases extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static TypeAliases getRootAsTypeAliases(ByteBuffer _bb) { return getRootAsTypeAliases(_bb, new TypeAliases()); }
-  public static TypeAliases getRootAsTypeAliases(ByteBuffer _bb, TypeAliases obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static TypeAliases getRootAsTypeAliases(ByteBuffer _bb, TypeAliases obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public TypeAliases __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public byte i8() { int o = __offset(4); return o != 0 ? bb.get(o + bb_pos) : 0; }

tests/MyGame/Example/Vec3.cs

@@ -12,7 +12,7 @@ public struct Vec3 : IFlatbufferObject
 {
   private Struct __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Struct(_i, _bb); }
   public Vec3 __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public float X { get { return __p.bb.GetFloat(__p.bb_pos + 0); } }

tests/MyGame/Example/Vec3.java

@@ -9,7 +9,7 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Vec3 extends Struct {
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Vec3 __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public float x() { return bb.getFloat(bb_pos + 0); }

tests/MyGame/Example2/Monster.cs

@@ -12,9 +12,10 @@ public struct Monster : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static Monster GetRootAsMonster(ByteBuffer _bb) { return GetRootAsMonster(_bb, new Monster()); }
-  public static Monster GetRootAsMonster(ByteBuffer _bb, Monster obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static Monster GetRootAsMonster(ByteBuffer _bb, Monster obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public Monster __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
 

tests/MyGame/Example2/Monster.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Monster extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static Monster getRootAsMonster(ByteBuffer _bb) { return getRootAsMonster(_bb, new Monster()); }
-  public static Monster getRootAsMonster(ByteBuffer _bb, Monster obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static Monster getRootAsMonster(ByteBuffer _bb, Monster obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Monster __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
 

tests/MyGame/InParentNamespace.cs

@@ -12,9 +12,10 @@ public struct InParentNamespace : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static InParentNamespace GetRootAsInParentNamespace(ByteBuffer _bb) { return GetRootAsInParentNamespace(_bb, new InParentNamespace()); }
-  public static InParentNamespace GetRootAsInParentNamespace(ByteBuffer _bb, InParentNamespace obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static InParentNamespace GetRootAsInParentNamespace(ByteBuffer _bb, InParentNamespace obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public InParentNamespace __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
 

tests/MyGame/InParentNamespace.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class InParentNamespace extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static InParentNamespace getRootAsInParentNamespace(ByteBuffer _bb) { return getRootAsInParentNamespace(_bb, new InParentNamespace()); }
-  public static InParentNamespace getRootAsInParentNamespace(ByteBuffer _bb, InParentNamespace obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static InParentNamespace getRootAsInParentNamespace(ByteBuffer _bb, InParentNamespace obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public InParentNamespace __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
 

tests/MyGame/MonsterExtra.cs

@@ -12,10 +12,11 @@ public struct MonsterExtra : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static MonsterExtra GetRootAsMonsterExtra(ByteBuffer _bb) { return GetRootAsMonsterExtra(_bb, new MonsterExtra()); }
-  public static MonsterExtra GetRootAsMonsterExtra(ByteBuffer _bb, MonsterExtra obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static MonsterExtra GetRootAsMonsterExtra(ByteBuffer _bb, MonsterExtra obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public static bool MonsterExtraBufferHasIdentifier(ByteBuffer _bb) { return Table.__has_identifier(_bb, "MONE"); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public MonsterExtra __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public float TestfNan { get { int o = __p.__offset(4); return o != 0 ? __p.bb.GetFloat(o + __p.bb_pos) : (float)Single.NaN; } }

tests/MyGame/MonsterExtra.java

@@ -9,10 +9,11 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class MonsterExtra extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static MonsterExtra getRootAsMonsterExtra(ByteBuffer _bb) { return getRootAsMonsterExtra(_bb, new MonsterExtra()); }
-  public static MonsterExtra getRootAsMonsterExtra(ByteBuffer _bb, MonsterExtra obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static MonsterExtra getRootAsMonsterExtra(ByteBuffer _bb, MonsterExtra obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public static boolean MonsterExtraBufferHasIdentifier(ByteBuffer _bb) { return __has_identifier(_bb, "MONE"); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public MonsterExtra __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public float testfNan() { int o = __offset(4); return o != 0 ? bb.getFloat(o + bb_pos) : Float.NaN; }

tests/namespace_test/NamespaceA/NamespaceB/StructInNestedNS.cs

@@ -12,7 +12,7 @@ public struct StructInNestedNS : IFlatbufferObject
 {
   private Struct __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Struct(_i, _bb); }
   public StructInNestedNS __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int A { get { return __p.bb.GetInt(__p.bb_pos + 0); } }

tests/namespace_test/NamespaceA/NamespaceB/StructInNestedNS.java

@@ -9,7 +9,7 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class StructInNestedNS extends Struct {
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public StructInNestedNS __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int a() { return bb.getInt(bb_pos + 0); }

tests/namespace_test/NamespaceA/NamespaceB/TableInNestedNS.cs

@@ -12,9 +12,10 @@ public struct TableInNestedNS : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static TableInNestedNS GetRootAsTableInNestedNS(ByteBuffer _bb) { return GetRootAsTableInNestedNS(_bb, new TableInNestedNS()); }
-  public static TableInNestedNS GetRootAsTableInNestedNS(ByteBuffer _bb, TableInNestedNS obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static TableInNestedNS GetRootAsTableInNestedNS(ByteBuffer _bb, TableInNestedNS obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public TableInNestedNS __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int Foo { get { int o = __p.__offset(4); return o != 0 ? __p.bb.GetInt(o + __p.bb_pos) : (int)0; } }

tests/namespace_test/NamespaceA/NamespaceB/TableInNestedNS.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class TableInNestedNS extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static TableInNestedNS getRootAsTableInNestedNS(ByteBuffer _bb) { return getRootAsTableInNestedNS(_bb, new TableInNestedNS()); }
-  public static TableInNestedNS getRootAsTableInNestedNS(ByteBuffer _bb, TableInNestedNS obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static TableInNestedNS getRootAsTableInNestedNS(ByteBuffer _bb, TableInNestedNS obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public TableInNestedNS __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int foo() { int o = __offset(4); return o != 0 ? bb.getInt(o + bb_pos) : 0; }

tests/namespace_test/NamespaceA/SecondTableInA.cs

@@ -12,9 +12,10 @@ public struct SecondTableInA : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static SecondTableInA GetRootAsSecondTableInA(ByteBuffer _bb) { return GetRootAsSecondTableInA(_bb, new SecondTableInA()); }
-  public static SecondTableInA GetRootAsSecondTableInA(ByteBuffer _bb, SecondTableInA obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static SecondTableInA GetRootAsSecondTableInA(ByteBuffer _bb, SecondTableInA obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public SecondTableInA __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public NamespaceC.TableInC? ReferToC { get { int o = __p.__offset(4); return o != 0 ? (NamespaceC.TableInC?)(new NamespaceC.TableInC()).__assign(__p.__indirect(o + __p.bb_pos), __p.bb) : null; } }

tests/namespace_test/NamespaceA/SecondTableInA.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class SecondTableInA extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static SecondTableInA getRootAsSecondTableInA(ByteBuffer _bb) { return getRootAsSecondTableInA(_bb, new SecondTableInA()); }
-  public static SecondTableInA getRootAsSecondTableInA(ByteBuffer _bb, SecondTableInA obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static SecondTableInA getRootAsSecondTableInA(ByteBuffer _bb, SecondTableInA obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public SecondTableInA __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public NamespaceC.TableInC referToC() { return referToC(new NamespaceC.TableInC()); }

tests/namespace_test/NamespaceA/TableInFirstNS.cs

@@ -12,9 +12,10 @@ public struct TableInFirstNS : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static TableInFirstNS GetRootAsTableInFirstNS(ByteBuffer _bb) { return GetRootAsTableInFirstNS(_bb, new TableInFirstNS()); }
-  public static TableInFirstNS GetRootAsTableInFirstNS(ByteBuffer _bb, TableInFirstNS obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static TableInFirstNS GetRootAsTableInFirstNS(ByteBuffer _bb, TableInFirstNS obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public TableInFirstNS __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public NamespaceA.NamespaceB.TableInNestedNS? FooTable { get { int o = __p.__offset(4); return o != 0 ? (NamespaceA.NamespaceB.TableInNestedNS?)(new NamespaceA.NamespaceB.TableInNestedNS()).__assign(__p.__indirect(o + __p.bb_pos), __p.bb) : null; } }

tests/namespace_test/NamespaceA/TableInFirstNS.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class TableInFirstNS extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static TableInFirstNS getRootAsTableInFirstNS(ByteBuffer _bb) { return getRootAsTableInFirstNS(_bb, new TableInFirstNS()); }
-  public static TableInFirstNS getRootAsTableInFirstNS(ByteBuffer _bb, TableInFirstNS obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static TableInFirstNS getRootAsTableInFirstNS(ByteBuffer _bb, TableInFirstNS obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public TableInFirstNS __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public NamespaceA.NamespaceB.TableInNestedNS fooTable() { return fooTable(new NamespaceA.NamespaceB.TableInNestedNS()); }

tests/namespace_test/NamespaceC/TableInC.cs

@@ -12,9 +12,10 @@ public struct TableInC : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static TableInC GetRootAsTableInC(ByteBuffer _bb) { return GetRootAsTableInC(_bb, new TableInC()); }
-  public static TableInC GetRootAsTableInC(ByteBuffer _bb, TableInC obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static TableInC GetRootAsTableInC(ByteBuffer _bb, TableInC obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public TableInC __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public NamespaceA.TableInFirstNS? ReferToA1 { get { int o = __p.__offset(4); return o != 0 ? (NamespaceA.TableInFirstNS?)(new NamespaceA.TableInFirstNS()).__assign(__p.__indirect(o + __p.bb_pos), __p.bb) : null; } }

tests/namespace_test/NamespaceC/TableInC.java

@@ -9,9 +9,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class TableInC extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static TableInC getRootAsTableInC(ByteBuffer _bb) { return getRootAsTableInC(_bb, new TableInC()); }
-  public static TableInC getRootAsTableInC(ByteBuffer _bb, TableInC obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static TableInC getRootAsTableInC(ByteBuffer _bb, TableInC obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public TableInC __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public NamespaceA.TableInFirstNS referToA1() { return referToA1(new NamespaceA.TableInFirstNS()); }

tests/union_vector/Attacker.cs

@@ -9,9 +9,10 @@ public struct Attacker : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static Attacker GetRootAsAttacker(ByteBuffer _bb) { return GetRootAsAttacker(_bb, new Attacker()); }
-  public static Attacker GetRootAsAttacker(ByteBuffer _bb, Attacker obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static Attacker GetRootAsAttacker(ByteBuffer _bb, Attacker obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public Attacker __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int SwordAttackDamage { get { int o = __p.__offset(4); return o != 0 ? __p.bb.GetInt(o + __p.bb_pos) : (int)0; } }

tests/union_vector/Attacker.java

@@ -7,9 +7,10 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Attacker extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static Attacker getRootAsAttacker(ByteBuffer _bb) { return getRootAsAttacker(_bb, new Attacker()); }
-  public static Attacker getRootAsAttacker(ByteBuffer _bb, Attacker obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static Attacker getRootAsAttacker(ByteBuffer _bb, Attacker obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Attacker __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int swordAttackDamage() { int o = __offset(4); return o != 0 ? bb.getInt(o + bb_pos) : 0; }

tests/union_vector/BookReader.cs

@@ -9,7 +9,7 @@ public struct BookReader : IFlatbufferObject
 {
   private Struct __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Struct(_i, _bb); }
   public BookReader __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int BooksRead { get { return __p.bb.GetInt(__p.bb_pos + 0); } }

tests/union_vector/BookReader.java

@@ -7,7 +7,7 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class BookReader extends Struct {
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public BookReader __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int booksRead() { return bb.getInt(bb_pos + 0); }

tests/union_vector/Movie.cs

@@ -9,10 +9,11 @@ public struct Movie : IFlatbufferObject
 {
   private Table __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
+  public static void ValidateVersion() { FlatBufferConstants.FLATBUFFERS_1_11_1(); }
   public static Movie GetRootAsMovie(ByteBuffer _bb) { return GetRootAsMovie(_bb, new Movie()); }
-  public static Movie GetRootAsMovie(ByteBuffer _bb, Movie obj) { FlatBufferConstants.FLATBUFFERS_1_11_1(); return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
+  public static Movie GetRootAsMovie(ByteBuffer _bb, Movie obj) { return (obj.__assign(_bb.GetInt(_bb.Position) + _bb.Position, _bb)); }
   public static bool MovieBufferHasIdentifier(ByteBuffer _bb) { return Table.__has_identifier(_bb, "MOVI"); }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Table(_i, _bb); }
   public Movie __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public Character MainCharacterType { get { int o = __p.__offset(4); return o != 0 ? (Character)__p.bb.Get(o + __p.bb_pos) : Character.NONE; } }

tests/union_vector/Movie.java

@@ -7,10 +7,11 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Movie extends Table {
+  public static void ValidateVersion() { Constants.FLATBUFFERS_1_11_1(); }
   public static Movie getRootAsMovie(ByteBuffer _bb) { return getRootAsMovie(_bb, new Movie()); }
-  public static Movie getRootAsMovie(ByteBuffer _bb, Movie obj) { Constants.FLATBUFFERS_1_11_1(); _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
+  public static Movie getRootAsMovie(ByteBuffer _bb, Movie obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
   public static boolean MovieBufferHasIdentifier(ByteBuffer _bb) { return __has_identifier(_bb, "MOVI"); }
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; vtable_start = bb_pos - bb.getInt(bb_pos); vtable_size = bb.getShort(vtable_start); }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Movie __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public byte mainCharacterType() { int o = __offset(4); return o != 0 ? bb.get(o + bb_pos) : 0; }

tests/union_vector/Rapunzel.cs

@@ -9,7 +9,7 @@ public struct Rapunzel : IFlatbufferObject
 {
   private Struct __p;
   public ByteBuffer ByteBuffer { get { return __p.bb; } }
-  public void __init(int _i, ByteBuffer _bb) { __p.bb_pos = _i; __p.bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __p = new Struct(_i, _bb); }
   public Rapunzel __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int HairLength { get { return __p.bb.GetInt(__p.bb_pos + 0); } }

tests/union_vector/Rapunzel.java

@@ -7,7 +7,7 @@ import com.google.flatbuffers.*;
 
 @SuppressWarnings("unused")
 public final class Rapunzel extends Struct {
-  public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+  public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
   public Rapunzel __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
 
   public int hairLength() { return bb.getInt(bb_pos + 0); }