Support Clang compiler.

c++/Makefile.ekam

@@ -17,6 +17,12 @@ continuous-opt:
 continuous-opt3:
 	CXX=g++-4.7 CXXFLAGS='-std=gnu++0x -O3 -DNDEBUG -Wall' LIBS='-lz -pthread' $(EKAM) -j6 -c -n :51315
 
+continuous-clang:
+	CXX=clang++ CXXFLAGS='-fno-caret-diagnostics -std=c++1y -g -Wall' LIBS='-lz -pthread' $(EKAM) -j6 -c -n :51315
+
+continuous-clang-opt:
+  CXX=clang++ CXXFLAGS='-fno-caret-diagnostics -std=c++11 -O2 -DNDEBUG -Wall' LIBS='-lz -pthread' $(EKAM) -j6 -c -n :51315
+
 clean:
 	rm -rf bin lib tmp
 

c++/src/capnproto/compiler/capnpc-capnp.c++

@@ -579,7 +579,8 @@ TextBlob genNestedDecls(Schema schema, Indent indent) {
 TextBlob genFile(Schema file) {
   auto proto = file.getProto();
   auto body = proto.getBody();
-  PRECOND(body.which() == schema::Node::Body::FILE_NODE, "Expected a file node.", body.which());
+  PRECOND(body.which() == schema::Node::Body::FILE_NODE, "Expected a file node.",
+          (uint)body.which());
 
   return text(
     "# ", proto.getDisplayName(), "\n",

c++/src/capnproto/dynamic.c++

@@ -37,18 +37,18 @@ inline T bitCast(U value) {
   static_assert(sizeof(T) == sizeof(U), "Size must match.");
   return value;
 }
-template <>
-inline float bitCast<float, uint32_t>(uint32_t value) {
-  float result;
-  memcpy(&result, &value, sizeof(value));
-  return result;
-}
-template <>
-inline double bitCast<double, uint64_t>(uint64_t value) {
-  double result;
-  memcpy(&result, &value, sizeof(value));
-  return result;
-}
+//template <>
+//inline float bitCast<float, uint32_t>(uint32_t value) {
+//  float result;
+//  memcpy(&result, &value, sizeof(value));
+//  return result;
+//}
+//template <>
+//inline double bitCast<double, uint64_t>(uint64_t value) {
+//  double result;
+//  memcpy(&result, &value, sizeof(value));
+//  return result;
+//}
 template <>
 inline uint32_t bitCast<uint32_t, float>(float value) {
   uint32_t result;
@@ -454,7 +454,7 @@ DynamicStruct::Builder DynamicStruct::Builder::getObject(
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return DynamicStruct::Builder();
 }
 DynamicList::Builder DynamicStruct::Builder::getObject(
@@ -473,7 +473,7 @@ DynamicList::Builder DynamicStruct::Builder::getObject(
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return DynamicList::Builder();
 }
 Text::Builder DynamicStruct::Builder::getObjectAsText(StructSchema::Member member) {
@@ -491,7 +491,7 @@ Text::Builder DynamicStruct::Builder::getObjectAsText(StructSchema::Member membe
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return Text::Builder();
 }
 Data::Builder DynamicStruct::Builder::getObjectAsData(StructSchema::Member member) {
@@ -509,7 +509,7 @@ Data::Builder DynamicStruct::Builder::getObjectAsData(StructSchema::Member membe
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return Data::Builder();
 }
 
@@ -529,7 +529,7 @@ DynamicStruct::Builder DynamicStruct::Builder::initObject(
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return DynamicStruct::Builder();
 }
 DynamicList::Builder DynamicStruct::Builder::initObject(
@@ -548,7 +548,7 @@ DynamicList::Builder DynamicStruct::Builder::initObject(
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return DynamicList::Builder();
 }
 Text::Builder DynamicStruct::Builder::initObjectAsText(StructSchema::Member member, uint size) {
@@ -566,7 +566,7 @@ Text::Builder DynamicStruct::Builder::initObjectAsText(StructSchema::Member memb
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return Text::Builder();
 }
 Data::Builder DynamicStruct::Builder::initObjectAsData(StructSchema::Member member, uint size) {
@@ -584,7 +584,7 @@ Data::Builder DynamicStruct::Builder::initObjectAsData(StructSchema::Member memb
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return Data::Builder();
 }
 
@@ -660,7 +660,7 @@ DynamicValue::Reader DynamicStruct::Reader::getImpl(
         case schema::Type::Body::discrim##_TYPE: \
           return DynamicValue::Reader(reader.getDataField<type>( \
               field.getOffset() * ELEMENTS, \
-              bitCast<typename internal::MaskType<type>::Type>(dval.get##titleCase##Value())));
+              bitCast<internal::Mask<type>>(dval.get##titleCase##Value())));
 
         HANDLE_TYPE(BOOL, Bool, bool)
         HANDLE_TYPE(INT8, Int8, int8_t)
@@ -729,7 +729,7 @@ DynamicValue::Reader DynamicStruct::Reader::getImpl(
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return nullptr;
 }
 
@@ -752,7 +752,7 @@ DynamicValue::Builder DynamicStruct::Builder::getImpl(
         case schema::Type::Body::discrim##_TYPE: \
           return DynamicValue::Builder(builder.getDataField<type>( \
               field.getOffset() * ELEMENTS, \
-              bitCast<typename internal::MaskType<type>::Type>(dval.get##titleCase##Value())));
+              bitCast<internal::Mask<type>>(dval.get##titleCase##Value())));
 
         HANDLE_TYPE(BOOL, Bool, bool)
         HANDLE_TYPE(INT8, Int8, int8_t)
@@ -832,7 +832,7 @@ DynamicValue::Builder DynamicStruct::Builder::getImpl(
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
   return nullptr;
 }
 DynamicStruct::Builder DynamicStruct::Builder::getObjectImpl(
@@ -964,12 +964,12 @@ void DynamicStruct::Builder::setImpl(
           return;
       }
 
-      FAIL_RECOVERABLE_PRECOND("can't set field of unknown type", type.which());
+      FAIL_RECOVERABLE_PRECOND("can't set field of unknown type", (uint)type.which());
       return;
     }
   }
 
-  FAIL_CHECK("switch() missing case.", member.getProto().getBody().which());
+  FAIL_CHECK("switch() missing case.", (uint)member.getProto().getBody().which());
 }
 
 DynamicValue::Builder DynamicStruct::Builder::initImpl(
@@ -992,7 +992,7 @@ DynamicValue::Builder DynamicStruct::Builder::initImpl(
           return initFieldAsDataImpl(builder, member, size);
         default:
           FAIL_PRECOND(
-              "init() with size is only valid for list, text, or data fields.", type.which());
+              "init() with size is only valid for list, text, or data fields.", (uint)type.which());
           break;
       }
       break;
@@ -1245,7 +1245,7 @@ void DynamicList::Builder::set(uint index, DynamicValue::Reader value) {
       return;
   }
 
-  FAIL_RECOVERABLE_PRECOND("can't set element of unknown type", schema.whichElementType());
+  FAIL_RECOVERABLE_PRECOND("can't set element of unknown type", (uint)schema.whichElementType());
 }
 
 DynamicValue::Builder DynamicList::Builder::init(uint index, uint size) {

c++/src/capnproto/dynamic.h

@@ -277,7 +277,7 @@ private:
 
   static DynamicValue::Reader getImpl(internal::StructReader reader, StructSchema::Member member);
 
-  template <typename T>
+  template <typename T, Kind K>
   friend struct internal::PointerHelpers;
   friend class DynamicUnion::Reader;
   friend class DynamicObject;
@@ -287,7 +287,8 @@ private:
   friend class MessageBuilder;
   template <typename T, ::capnproto::Kind k>
   friend struct ::capnproto::ToDynamic_;
-  friend String internal::debugString(StructReader reader, const RawSchema& schema);
+  friend String internal::debugString(
+      internal::StructReader reader, const internal::RawSchema& schema);
 };
 
 class DynamicStruct::Builder {
@@ -382,7 +383,7 @@ private:
   static Data::Builder initFieldAsDataImpl(
       internal::StructBuilder builder, StructSchema::Member field, uint size);
 
-  template <typename T>
+  template <typename T, Kind k>
   friend struct internal::PointerHelpers;
   friend class DynamicUnion::Builder;
   friend struct DynamicList;
@@ -421,7 +422,7 @@ private:
 
   Reader(ListSchema schema, internal::ListReader reader): schema(schema), reader(reader) {}
 
-  template <typename T>
+  template <typename T, Kind k>
   friend struct internal::PointerHelpers;
   friend struct DynamicStruct;
   friend class DynamicObject;
@@ -463,7 +464,7 @@ private:
 
   Builder(ListSchema schema, internal::ListBuilder builder): schema(schema), builder(builder) {}
 
-  template <typename T>
+  template <typename T, Kind k>
   friend struct internal::PointerHelpers;
   friend struct DynamicStruct;
   template <typename T, ::capnproto::Kind k>
@@ -855,14 +856,14 @@ struct DynamicValue::Builder::AsImpl<T, Kind::LIST> {
 template <typename T>
 struct DynamicObject::AsImpl<T, Kind::STRUCT> {
   static T apply(DynamicObject value) {
-    return value.as(Schema::from<T>()).as<T>();
+    return value.as(Schema::from<T>()).template as<T>();
   }
 };
 
 template <typename T>
 struct DynamicObject::AsImpl<T, Kind::LIST> {
   static T apply(DynamicObject value) {
-    return value.as(Schema::from<T>()).as<T>();
+    return value.as(Schema::from<T>()).template as<T>();
   }
 };
 

c++/src/capnproto/exception.h

@@ -114,7 +114,7 @@ private:
   mutable Array<char> whatBuffer;
 };
 
-class Stringifier;
+struct Stringifier;
 ArrayPtr<const char> operator*(const Stringifier&, Exception::Nature nature);
 ArrayPtr<const char> operator*(const Stringifier&, Exception::Durability durability);
 

c++/src/capnproto/generated-header-support.h

@@ -36,7 +36,7 @@ class MessageBuilder;  // So that it can be declared a friend.
 template <typename T, Kind k = kind<T>()>
 struct ToDynamic_;   // Defined in dynamic.h, needs to be declared as everyone's friend.
 
-class DynamicStruct;  // So that it can be declared a friend.
+struct DynamicStruct;  // So that it can be declared a friend.
 
 namespace internal {
 
@@ -195,6 +195,9 @@ inline constexpr uint64_t typeId() { return internal::TypeIdFor<T>::typeId; }
     template <> struct RawSchemaFor<type> { \
       static inline const RawSchema& getSchema() { return schemas::s_##id; } \
     }
+#define CAPNPROTO_DEFINE_ENUM(type) \
+    constexpr Kind KindOf<type>::kind; \
+    constexpr uint64_t TypeIdFor<type>::typeId;
 #define CAPNPROTO_DECLARE_STRUCT(type, id, dataWordSize, pointerCount, preferredElementEncoding) \
     template <> struct KindOf<type> { static constexpr Kind kind = Kind::STRUCT; }; \
     template <> struct StructSizeFor<type> { \
@@ -205,11 +208,18 @@ inline constexpr uint64_t typeId() { return internal::TypeIdFor<T>::typeId; }
     template <> struct RawSchemaFor<type> { \
       static inline const RawSchema& getSchema() { return schemas::s_##id; } \
     }
+#define CAPNPROTO_DEFINE_STRUCT(type) \
+    constexpr Kind KindOf<type>::kind; \
+    constexpr StructSize StructSizeFor<type>::value; \
+    constexpr uint64_t TypeIdFor<type>::typeId;
 #define CAPNPROTO_DECLARE_INTERFACE(type, id) \
     template <> struct KindOf<type> { static constexpr Kind kind = Kind::INTERFACE; }; \
     template <> struct TypeIdFor<type> { static constexpr uint64_t typeId = 0x##id; }; \
     template <> struct RawSchemaFor<type> { \
       static inline const RawSchema& getSchema() { return schemas::s_##id; } \
     }
+#define CAPNPROTO_DEFINE_INTERFACE(type) \
+    constexpr Kind KindOf<type>::kind; \
+    constexpr uint64_t TypeIdFor<type>::typeId;
 
 #endif  // CAPNPROTO_GENERATED_HEADER_SUPPORT_H_

c++/src/capnproto/io.c++

@@ -265,7 +265,7 @@ void FdOutputStream::write(const void* buffer, size_t size) {
 }
 
 void FdOutputStream::write(ArrayPtr<const ArrayPtr<const byte>> pieces) {
-  CAPNPROTO_STACK_ARRAY(struct iovec, iov, pieces.size(), 128);
+  CAPNPROTO_STACK_ARRAY(struct iovec, iov, pieces.size(), 16, 128);
 
   for (uint i = 0; i < pieces.size(); i++) {
     // writev() interface is not const-correct.  :(

c++/src/capnproto/layout.h

@@ -42,8 +42,8 @@ class StructBuilder;
 class StructReader;
 class ListBuilder;
 class ListReader;
-class ObjectBuilder;
-class ObjectReader;
+struct ObjectBuilder;
+struct ObjectReader;
 struct WirePointer;
 struct WireHelpers;
 class SegmentReader;
@@ -100,18 +100,16 @@ enum class FieldSize: uint8_t {
 typedef decltype(BITS / ELEMENTS) BitsPerElement;
 typedef decltype(POINTERS / ELEMENTS) PointersPerElement;
 
-namespace internal {
-  static constexpr BitsPerElement BITS_PER_ELEMENT_TABLE[8] = {
-      0 * BITS / ELEMENTS,
-      1 * BITS / ELEMENTS,
-      8 * BITS / ELEMENTS,
-      16 * BITS / ELEMENTS,
-      32 * BITS / ELEMENTS,
-      64 * BITS / ELEMENTS,
-      0 * BITS / ELEMENTS,
-      0 * BITS / ELEMENTS
-  };
-}
+static constexpr BitsPerElement BITS_PER_ELEMENT_TABLE[8] = {
+    0 * BITS / ELEMENTS,
+    1 * BITS / ELEMENTS,
+    8 * BITS / ELEMENTS,
+    16 * BITS / ELEMENTS,
+    32 * BITS / ELEMENTS,
+    64 * BITS / ELEMENTS,
+    0 * BITS / ELEMENTS,
+    0 * BITS / ELEMENTS
+};
 
 inline constexpr BitsPerElement dataBitsPerElement(FieldSize size) {
   return internal::BITS_PER_ELEMENT_TABLE[static_cast<int>(size)];

c++/src/capnproto/list.h

@@ -266,7 +266,7 @@ private:
   }
 
   template <typename U, Kind k>
-  friend class List;
+  friend struct List;
   template <typename U, Kind K>
   friend struct internal::PointerHelpers;
 };
@@ -359,7 +359,7 @@ private:
   }
 
   template <typename U, Kind k>
-  friend class List;
+  friend struct List;
   template <typename U, Kind K>
   friend struct internal::PointerHelpers;
 };
@@ -457,7 +457,7 @@ private:
   }
 
   template <typename U, Kind k>
-  friend class List;
+  friend struct List;
   template <typename U, Kind K>
   friend struct internal::PointerHelpers;
 };
@@ -546,7 +546,7 @@ private:
   }
 
   template <typename U, Kind k>
-  friend class List;
+  friend struct List;
   template <typename U, Kind K>
   friend struct internal::PointerHelpers;
 };

c++/src/capnproto/logging.c++

@@ -54,7 +54,7 @@ enum DescriptionStyle {
 
 static Array<char> makeDescription(DescriptionStyle style, const char* code, int errorNumber,
                                    const char* macroArgs, ArrayPtr<Array<char>> argValues) {
-  ArrayPtr<const char> argNames[argValues.size()];
+  CAPNPROTO_STACK_ARRAY(ArrayPtr<const char>, argNames, argValues.size(), 8, 64);
 
   if (argValues.size() > 0) {
     size_t index = 0;

c++/src/capnproto/macros.h

@@ -31,7 +31,11 @@
 #warning "Did you forget to enable C++11?  Make sure to pass -std=gnu++11 to GCC."
 #endif
 
-#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
+#if __clang__
+#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 2)
+#warning "Cap'n Proto requires at least Clang 3.2."
+#endif
+#elif __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
 #warning "Cap'n Proto requires at least GCC 4.7."
 #endif
 #endif
@@ -61,6 +65,13 @@ namespace internal {
 #endif
 
 #define CAPNPROTO_NORETURN __attribute__((noreturn));
+#define CAPNPROTO_UNUSED __attribute__((unused));
+
+#if __clang__
+#define CAPNPROTO_UNUSED_FOR_CLANG __attribute__((unused));
+#else
+#define CAPNPROTO_UNUSED_FOR_CLANG
+#endif
 
 void inlinePreconditionFailure(
     const char* file, int line, const char* expectation, const char* macroArgs,
@@ -82,7 +93,17 @@ void inlinePreconditionFailure(
 
 // Allocate an array, preferably on the stack, unless it is too big.  On GCC this will use
 // variable-sized arrays.  For other compilers we could just use a fixed-size array.
-#define CAPNPROTO_STACK_ARRAY(type, name, size, maxStack) \
+#if __clang__
+#define CAPNPROTO_STACK_ARRAY(type, name, size, minStack, maxStack) \
+  size_t name##_size = (size); \
+  bool name##_isOnStack = name##_size <= (minStack); \
+  type name##_stack[minStack]; \
+  ::capnproto::Array<type> name##_heap = name##_isOnStack ? \
+      nullptr : newArray<type>(name##_size); \
+  ::capnproto::ArrayPtr<type> name = name##_isOnStack ? \
+      arrayPtr(name##_stack, name##_size) : name##_heap
+#else
+#define CAPNPROTO_STACK_ARRAY(type, name, size, minStack, maxStack) \
   size_t name##_size = (size); \
   bool name##_isOnStack = name##_size <= (maxStack); \
   type name##_stack[name##_isOnStack ? size : 0]; \
@@ -90,6 +111,7 @@ void inlinePreconditionFailure(
       nullptr : newArray<type>(name##_size); \
   ::capnproto::ArrayPtr<type> name = name##_isOnStack ? \
       arrayPtr(name##_stack, name##_size) : name##_heap
+#endif
 
 }  // namespace internal
 

c++/src/capnproto/message.h

@@ -171,7 +171,7 @@ private:
   void setRootInternal(internal::StructReader reader);
   internal::StructBuilder getRoot(internal::StructSize size);
 
-  friend struct SchemaLoader;  // for a dirty hack, see schema-loader.c++.
+  friend class SchemaLoader;  // for a dirty hack, see schema-loader.c++.
 };
 
 template <typename RootType>
@@ -207,7 +207,7 @@ void copyToUnchecked(Reader&& reader, ArrayPtr<word> uncheckedBuffer);
 // otherwise an exception will be thrown.
 
 template <typename Type>
-typename Type::Reader defaultValue();
+static typename Type::Reader defaultValue();
 // Get a default instance of the given struct or list type.
 //
 // TODO(cleanup):  Find a better home for this function?

c++/src/capnproto/schema-loader.c++

@@ -84,7 +84,7 @@ public:
     nodeName = node.getDisplayName();
     dependencies.clear();
 
-    CONTEXT("validating schema node", nodeName, node.getBody().which());
+    CONTEXT("validating schema node", nodeName, (uint)node.getBody().which());
 
     switch (node.getBody().which()) {
       case schema::Node::Body::FILE_NODE:
@@ -211,9 +211,9 @@ private:
       }
     }
 
-    CAPNPROTO_STACK_ARRAY(bool, sawCodeOrder, members.size(), 256);
+    CAPNPROTO_STACK_ARRAY(bool, sawCodeOrder, members.size(), 32, 256);
     memset(sawCodeOrder.begin(), 0, sawCodeOrder.size() * sizeof(sawCodeOrder[0]));
-    CAPNPROTO_STACK_ARRAY(bool, sawOrdinal, ordinalCount, 256);
+    CAPNPROTO_STACK_ARRAY(bool, sawOrdinal, ordinalCount, 32, 256);
     memset(sawOrdinal.begin(), 0, sawOrdinal.size() * sizeof(sawOrdinal[0]));
 
     uint index = 0;
@@ -265,7 +265,7 @@ private:
                         "Schema invalid: Union discriminant out-of-bounds.");
 
         auto uMembers = u.getMembers();
-        CAPNPROTO_STACK_ARRAY(bool, uSawCodeOrder, uMembers.size(), 256);
+        CAPNPROTO_STACK_ARRAY(bool, uSawCodeOrder, uMembers.size(), 32, 256);
         memset(uSawCodeOrder.begin(), 0, uSawCodeOrder.size() * sizeof(uSawCodeOrder[0]));
 
         uint subIndex = 0;
@@ -285,7 +285,7 @@ private:
   void validate(schema::EnumNode::Reader enumNode) {
     auto enumerants = enumNode.getEnumerants();
 
-    CAPNPROTO_STACK_ARRAY(bool, sawCodeOrder, enumerants.size(), 256);
+    CAPNPROTO_STACK_ARRAY(bool, sawCodeOrder, enumerants.size(), 32, 256);
     memset(sawCodeOrder.begin(), 0, sawCodeOrder.size() * sizeof(sawCodeOrder[0]));
 
     uint index = 0;
@@ -302,7 +302,7 @@ private:
   void validate(schema::InterfaceNode::Reader interfaceNode) {
     auto methods = interfaceNode.getMethods();
 
-    CAPNPROTO_STACK_ARRAY(bool, sawCodeOrder, methods.size(), 256);
+    CAPNPROTO_STACK_ARRAY(bool, sawCodeOrder, methods.size(), 32, 256);
     memset(sawCodeOrder.begin(), 0, sawCodeOrder.size() * sizeof(sawCodeOrder[0]));
 
     uint index = 0;
@@ -422,7 +422,7 @@ private:
       auto node = readMessageUnchecked<schema::Node>(existing->encodedNode);
       VALIDATE_SCHEMA(node.getBody().which() == expectedKind,
           "expected a different kind of node for this ID",
-          id, expectedKind, node.getBody().which(), node.getDisplayName());
+          id, (uint)expectedKind, (uint)node.getBody().which(), node.getDisplayName());
       dependencies.insert(std::make_pair(id, existing));
       return;
     }

c++/src/capnproto/schema.h

@@ -124,7 +124,8 @@ private:
     return StructSchema(&internal::rawSchema<T>());
   }
   friend class Schema;
-  friend String internal::debugString(StructReader reader, const RawSchema& schema);
+  friend String internal::debugString(
+      internal::StructReader reader, const internal::RawSchema& schema);
 };
 
 class StructSchema::Member {

c++/src/capnproto/serialize-snappy-test.c++

@@ -119,28 +119,28 @@ private:
   std::string::size_type readPos;
 };
 
-struct DisplayByteArray {
-  DisplayByteArray(const std::string& str)
-      : data(reinterpret_cast<const uint8_t*>(str.data())), size(str.size()) {}
-  DisplayByteArray(const std::initializer_list<uint8_t>& list)
-      : data(list.begin()), size(list.size()) {}
-
-  const uint8_t* data;
-  size_t size;
-};
-
-std::ostream& operator<<(std::ostream& os, const DisplayByteArray& bytes) {
-  os << "{ ";
-  for (size_t i = 0; i < bytes.size; i++) {
-    if (i > 0) {
-      os << ", ";
-    }
-    os << (uint)bytes.data[i];
-  }
-  os << " }";
-
-  return os;
-}
+//struct DisplayByteArray {
+//  DisplayByteArray(const std::string& str)
+//      : data(reinterpret_cast<const uint8_t*>(str.data())), size(str.size()) {}
+//  DisplayByteArray(const std::initializer_list<uint8_t>& list)
+//      : data(list.begin()), size(list.size()) {}
+//
+//  const uint8_t* data;
+//  size_t size;
+//};
+//
+//std::ostream& operator<<(std::ostream& os, const DisplayByteArray& bytes) {
+//  os << "{ ";
+//  for (size_t i = 0; i < bytes.size; i++) {
+//    if (i > 0) {
+//      os << ", ";
+//    }
+//    os << (uint)bytes.data[i];
+//  }
+//  os << " }";
+//
+//  return os;
+//}
 
 TEST(Snappy, RoundTrip) {
   TestMessageBuilder builder(1);

c++/src/capnproto/serialize.c++

@@ -252,7 +252,7 @@ void writeMessage(OutputStream& output, ArrayPtr<const ArrayPtr<const word>> seg
     table[segments.size() + 1].set(0);
   }
 
-  ArrayPtr<const byte> pieces[segments.size() + 1];
+  CAPNPROTO_STACK_ARRAY(ArrayPtr<const byte>, pieces, segments.size() + 1, 4, 32);
   pieces[0] = arrayPtr(reinterpret_cast<byte*>(table), sizeof(table));
 
   for (uint i = 0; i < segments.size(); i++) {
@@ -260,7 +260,7 @@ void writeMessage(OutputStream& output, ArrayPtr<const ArrayPtr<const word>> seg
                              reinterpret_cast<const byte*>(segments[i].end()));
   }
 
-  output.write(arrayPtr(pieces, segments.size() + 1));
+  output.write(pieces);
 }
 
 // =======================================================================================

c++/src/capnproto/type-safety.h

@@ -449,7 +449,7 @@ inline constexpr ArrayPtr<T> arrayPtr(T* begin, T* end) {
   return ArrayPtr<T>(begin, end);
 }
 
-inline constexpr ArrayPtr<const char> arrayPtr(const char* s) {
+inline ArrayPtr<const char> arrayPtr(const char* s) {
   // Use this function to construct an ArrayPtr from a NUL-terminated string, especially a literal.
   return arrayPtr(s, strlen(s));
 }
@@ -963,8 +963,8 @@ inline constexpr auto operator*(UnitRatio<Number1, Unit2, Unit> ratio,
 // =======================================================================================
 // Raw memory types and measures
 
-class byte { uint8_t  content; CAPNPROTO_DISALLOW_COPY(byte); public: byte() = default; };
-class word { uint64_t content; CAPNPROTO_DISALLOW_COPY(word); public: word() = default; };
+class byte { uint8_t  content CAPNPROTO_UNUSED_FOR_CLANG; CAPNPROTO_DISALLOW_COPY(byte); public: byte() = default; };
+class word { uint64_t content CAPNPROTO_UNUSED_FOR_CLANG; CAPNPROTO_DISALLOW_COPY(word); public: word() = default; };
 // byte and word are opaque types with sizes of 8 and 64 bits, respectively.  These types are useful
 // only to make pointer arithmetic clearer.  Since the contents are private, the only way to access
 // them is to first reinterpret_cast to some other pointer type.
@@ -978,7 +978,7 @@ class word { uint64_t content; CAPNPROTO_DISALLOW_COPY(word); public: word() = d
 static_assert(sizeof(byte) == 1, "uint8_t is not one byte?");
 static_assert(sizeof(word) == 8, "uint64_t is not 8 bytes?");
 
-namespace internal { class BitLabel; class ElementLabel; class WirePointer; }
+namespace internal { class BitLabel; class ElementLabel; struct WirePointer; }
 
 #ifndef CAPNPROTO_DEBUG_TYPES
 #define CAPNPROTO_DEBUG_TYPES 1

c++/src/capnproto/util.h

@@ -209,7 +209,7 @@ struct Stringifier {
   template <typename T>
   Array<char> operator*(const Array<T>& arr) const;
 };
-static constexpr Stringifier STR;
+static constexpr Stringifier STR = Stringifier();
 
 CappedArray<char, sizeof(unsigned short) * 4> hex(unsigned short i);
 CappedArray<char, sizeof(unsigned int) * 4> hex(unsigned int i);
@@ -230,7 +230,7 @@ Array<char> str(Params&&... params) {
 template <typename T>
 Array<char> strArray(T&& arr, const char* delim) {
   size_t delimLen = strlen(delim);
-  decltype(STR * arr[0]) pieces[arr.size()];
+  CAPNPROTO_STACK_ARRAY(decltype(STR * arr[0]), pieces, arr.size(), 8, 32);
   size_t size = 0;
   for (size_t i = 0; i < arr.size(); i++) {
     if (i > 0) size += delimLen;

compiler/src/c++-header.mustache

@@ -185,7 +185,7 @@ private:
   friend struct ::capnproto::ToDynamic_;
   template <typename T, ::capnproto::Kind k>
   friend struct ::capnproto::internal::PointerHelpers;
-  friend struct ::capnproto::MessageBuilder;
+  friend class ::capnproto::MessageBuilder;
 };
 {{! ------------------------------------------------------------------------------------------- }}
 

compiler/src/c++-source.mustache

@@ -74,6 +74,23 @@ const ::capnproto::internal::RawSchema s_{{schemaId}} = {
 };
 {{/typeSchema}}
 {{/fileTypes}}
-
 }  // namespace schemas
+namespace internal {
+{{#fileTypes}}
+{{#typeStructOrUnion}}
+{{#typeStruct}}
+CAPNPROTO_DEFINE_STRUCT(
+    ::{{#fileNamespaces}}{{namespaceName}}::{{/fileNamespaces}}{{typeFullName}});
+{{#structNestedEnums}}
+CAPNPROTO_DEFINE_ENUM(
+    ::{{#fileNamespaces}}{{namespaceName}}::{{/fileNamespaces}}{{typeFullName}}::{{enumName}});
+{{/structNestedEnums}}
+{{/typeStruct}}
+{{/typeStructOrUnion}}
+{{/fileTypes}}
+{{#fileEnums}}
+CAPNPROTO_DEFINE_ENUM(
+    ::{{#fileNamespaces}}{{namespaceName}}::{{/fileNamespaces}}{{enumName}});
+{{/fileEnums}}
+}  // namespace internal
 }  // namespace capnproto