implement Dart Int64 repeated fields

PiperOrigin-RevId: 513854105

upbc/upbc_so.c

@@ -43,6 +43,26 @@
 
 // JavaScript doesn't directly support 64-bit ints so we must split them.
 
+UPB_API_INLINE uint32_t upb_Array_GetInt64Hi(const upb_Array* array, size_t i) {
+  return (uint32_t)(upb_Array_Get(array, i).int64_val >> 32);
+}
+
+UPB_API_INLINE uint32_t upb_Array_GetInt64Lo(const upb_Array* array, size_t i) {
+  return (uint32_t)upb_Array_Get(array, i).int64_val;
+}
+
+UPB_API_INLINE void upb_Array_SetInt64Split(upb_Array* array, size_t i,
+                                            uint32_t hi, uint32_t lo) {
+  const upb_MessageValue val = {.int64_val = ((uint64_t)hi) << 32 | lo};
+  upb_Array_Set(array, i, val);
+}
+
+UPB_API_INLINE bool upb_Array_AppendInt64Split(upb_Array* array, uint32_t hi,
+                                               uint32_t lo, upb_Arena* arena) {
+  const upb_MessageValue val = {.int64_val = ((uint64_t)hi) << 32 | lo};
+  return upb_Array_Append(array, val, arena);
+}
+
 UPB_API_INLINE uint32_t upb_Message_GetInt64Hi(const upb_Message* msg,
                                                const upb_MiniTableField* field,
                                                uint32_t default_value) {
@@ -58,8 +78,8 @@ UPB_API_INLINE uint32_t upb_Message_GetInt64Lo(const upb_Message* msg,
 UPB_API_INLINE bool upb_Message_SetInt64Split(upb_Message* msg,
                                               const upb_MiniTableField* field,
                                               uint32_t hi, uint32_t lo,
-                                              upb_Arena* a) {
-  return upb_Message_SetInt64(msg, field, ((int64_t)hi << 32) | lo, a);
+                                              upb_Arena* arena) {
+  return upb_Message_SetInt64(msg, field, ((int64_t)hi << 32) | lo, arena);
 }
 
 UPB_API_INLINE uint32_t upb_Message_GetUInt64Hi(const upb_Message* msg,
@@ -77,6 +97,6 @@ UPB_API_INLINE uint32_t upb_Message_GetUInt64Lo(const upb_Message* msg,
 UPB_API_INLINE bool upb_Message_SetUInt64Split(upb_Message* msg,
                                                const upb_MiniTableField* field,
                                                uint32_t hi, uint32_t lo,
-                                               upb_Arena* a) {
-  return upb_Message_SetUInt64(msg, field, ((uint64_t)hi << 32) | lo, a);
+                                               upb_Arena* arena) {
+  return upb_Message_SetUInt64(msg, field, ((uint64_t)hi << 32) | lo, arena);
 }