1 files changed, 0 insertions, 124 deletions
diff --git a/grpc/third_party/upb/upbc/message_layout.h b/grpc/third_party/upb/upbc/message_layout.h
deleted file mode 100644
index f257a963..00000000
--- a/grpc/third_party/upb/upbc/message_layout.h
+++ /dev/null
@@ -1,124 +0,0 @@
-
-#ifndef UPBC_MESSAGE_LAYOUT_H
-#define UPBC_MESSAGE_LAYOUT_H
-
-#include "absl/base/macros.h"
-#include "absl/container/flat_hash_map.h"
-#include "google/protobuf/descriptor.h"
-
-namespace upbc {
-
-class MessageLayout {
- public:
-  struct Size {
-    void Add(const Size& other) {
-      size32 += other.size32;
-      size64 += other.size64;
-    }
-
-    void MaxFrom(const Size& other) {
-      size32 = std::max(size32, other.size32);
-      size64 = std::max(size64, other.size64);
-    }
-
-    void AlignUp(const Size& align) {
-      size32 = Align(size32, align.size32);
-      size64 = Align(size64, align.size64);
-    }
-
-    int64_t size32;
-    int64_t size64;
-  };
-
-  struct SizeAndAlign {
-    Size size;
-    Size align;
-
-    void MaxFrom(const SizeAndAlign& other) {
-      size.MaxFrom(other.size);
-      align.MaxFrom(other.align);
-    }
-  };
-
-  MessageLayout(const google::protobuf::Descriptor* descriptor) {
-    ComputeLayout(descriptor);
-  }
-
-  Size GetFieldOffset(const google::protobuf::FieldDescriptor* field) const {
-    return GetMapValue(field_offsets_, field);
-  }
-
-  Size GetOneofCaseOffset(
-      const google::protobuf::OneofDescriptor* oneof) const {
-    return GetMapValue(oneof_case_offsets_, oneof);
-  }
-
-  int GetHasbitIndex(const google::protobuf::FieldDescriptor* field) const {
-    return GetMapValue(hasbit_indexes_, field);
-  }
-
-  Size message_size() const { return size_; }
-
-  static bool HasHasbit(const google::protobuf::FieldDescriptor* field);
-  static SizeAndAlign SizeOfUnwrapped(
-      const google::protobuf::FieldDescriptor* field);
-
- private:
-  void ComputeLayout(const google::protobuf::Descriptor* descriptor);
-  void PlaceNonOneofFields(const google::protobuf::Descriptor* descriptor);
-  void PlaceOneofFields(const google::protobuf::Descriptor* descriptor);
-  Size Place(SizeAndAlign size_and_align);
-
-  template <class K, class V>
-  static V GetMapValue(const absl::flat_hash_map<K, V>& map, K key) {
-    auto iter = map.find(key);
-    if (iter == map.end()) {
-      fprintf(stderr, "No value for field.\n");
-      abort();
-    }
-    return iter->second;
-  }
-
-  static bool IsPowerOfTwo(size_t val) {
-    return (val & (val - 1)) == 0;
-  }
-
-  static size_t Align(size_t val, size_t align) {
-    ABSL_ASSERT(IsPowerOfTwo(align));
-    return (val + align - 1) & ~(align - 1);
-  }
-
-  static SizeAndAlign SizeOf(const google::protobuf::FieldDescriptor* field);
-  static int64_t FieldLayoutRank(
-      const google::protobuf::FieldDescriptor* field);
-
-  absl::flat_hash_map<const google::protobuf::FieldDescriptor*, Size>
-      field_offsets_;
-  absl::flat_hash_map<const google::protobuf::FieldDescriptor*, int>
-      hasbit_indexes_;
-  absl::flat_hash_map<const google::protobuf::OneofDescriptor*, Size>
-      oneof_case_offsets_;
-  Size maxalign_;
-  Size size_;
-};
-
-// Returns fields in order of "hotness", eg. how frequently they appear in
-// serialized payloads. Ideally this will use a profile. When we don't have
-// that, we assume that fields with smaller numbers are used more frequently.
-inline std::vector<const google::protobuf::FieldDescriptor*> FieldHotnessOrder(
-    const google::protobuf::Descriptor* message) {
-  std::vector<const google::protobuf::FieldDescriptor*> fields;
-  for (int i = 0; i < message->field_count(); i++) {
-    fields.push_back(message->field(i));
-  }
-  std::sort(fields.begin(), fields.end(),
-            [](const google::protobuf::FieldDescriptor* a,
-               const google::protobuf::FieldDescriptor* b) {
-              return a->number() < b->number();
-            });
-  return fields;
-}
-
-}  // namespace upbc
-
-#endif  // UPBC_MESSAGE_LAYOUT_H