clean up the dependency graph some more

PiperOrigin-RevId: 456890270

BUILD

@@ -169,7 +169,6 @@ cc_library(
     copts = UPB_DEFAULT_COPTS,
     visibility = ["//visibility:public"],
     deps = [
-        ":descriptor_upb_proto",
         ":mini_table",
         ":port",
         ":reflection",
@@ -345,6 +344,7 @@ cc_library(
     srcs = [
         "upb/array.c",
         "upb/map.c",
+        "upb/msg_internal.h",
     ],
     hdrs = [
         "upb/array.h",
@@ -355,7 +355,6 @@ cc_library(
     copts = UPB_DEFAULT_COPTS,
     visibility = ["//visibility:public"],
     deps = [
-        ":descriptor_upb_proto",
         ":mini_table",
         ":port",
         ":table",

upb/array.c

@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include "upb/msg.h"
+#include "upb/msg_internal.h"
 
 // Must be last.
 #include "upb/port_def.inc"

upb/array.h

@@ -29,6 +29,7 @@
 #define UPB_ARRAY_H_
 
 #include "upb/message_value.h"
+#include "upb/upb.h"
 
 // Must be last.
 #include "upb/port_def.inc"

upb/def.c

@@ -33,7 +33,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "google/protobuf/descriptor.upb.h"
 #include "upb/mini_table.h"
 #include "upb/reflection.h"
 

upb/map.c

@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include "upb/msg.h"
+#include "upb/msg_internal.h"
 
 // Must be last.
 #include "upb/port_def.inc"

upb/map.h

@@ -29,6 +29,7 @@
 #define UPB_MAP_H_
 
 #include "upb/message_value.h"
+#include "upb/upb.h"
 
 // Must be last.
 #include "upb/port_def.inc"

upb/message_value.h

@@ -28,14 +28,18 @@
 #ifndef UPB_MESSAGE_VALUE_H_
 #define UPB_MESSAGE_VALUE_H_
 
-#include "google/protobuf/descriptor.upb.h"
+#include "upb/msg.h"
+#include "upb/string_view.h"
+#include "upb/upb.h"
+
+// Must be last.
 #include "upb/port_def.inc"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-// Definitions commn to both upb_Array and upb_Map.
+// Definitions common to both upb_Array and upb_Map.
 
 typedef union {
   bool bool_val;
@@ -45,16 +49,16 @@ typedef union {
   int64_t int64_val;
   uint32_t uint32_val;
   uint64_t uint64_val;
+  const upb_Array* array_val;
   const upb_Map* map_val;
   const upb_Message* msg_val;
-  const upb_Array* array_val;
   upb_StringView str_val;
 } upb_MessageValue;
 
 typedef union {
+  upb_Array* array;
   upb_Map* map;
   upb_Message* msg;
-  upb_Array* array;
 } upb_MutableMessageValue;
 
 #ifdef __cplusplus

upb/mini_table_accessors.c

@@ -27,6 +27,8 @@
 
 #include "upb/mini_table_accessors.h"
 
+#include "upb/decode.h"
+#include "upb/encode.h"
 #include "upb/mini_table.h"
 #include "upb/msg_internal.h"
 

upb/msg.h

@@ -36,11 +36,10 @@
 #ifndef UPB_MSG_H_
 #define UPB_MSG_H_
 
-#include <stddef.h>
+#include "upb/arena.h"
 
-// TODO(b/232091617): Remove this and fix everything that breaks as a result.
-#include "upb/extension_registry.h"
-#include "upb/upb.h"
+// Must be last.
+#include "upb/port_def.inc"
 
 #ifdef __cplusplus
 extern "C" {
@@ -50,7 +49,6 @@ typedef void upb_Message;
 
 /* For users these are opaque. They can be obtained from
  * upb_MessageDef_MiniTable() but users cannot access any of the members. */
-struct upb_MiniTable;
 typedef struct upb_MiniTable upb_MiniTable;
 
 /* Adds unknown data (serialized protobuf data) to the given message.  The data
@@ -64,6 +62,8 @@ const char* upb_Message_GetUnknown(const upb_Message* msg, size_t* len);
 /* Returns the number of extensions present in this message. */
 size_t upb_Message_ExtensionCount(const upb_Message* msg);
 
+#include "upb/port_undef.inc"
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

upb/msg_internal.h

@@ -410,12 +410,12 @@ UPB_INLINE bool _upb_has_submsg_nohasbit(const upb_Message* msg, size_t ofs) {
 /** upb_Array *****************************************************************/
 
 /* Our internal representation for repeated fields.  */
-typedef struct {
+struct upb_Array {
   uintptr_t data;  /* Tagged ptr: low 3 bits of ptr are lg2(elem size). */
   size_t size;     /* The number of elements in the array. */
   size_t capacity; /* Allocated storage. Measured in elements. */
   uint64_t junk;
-} upb_Array;
+};
 
 UPB_INLINE const void* _upb_array_constptr(const upb_Array* arr) {
   UPB_ASSERT((arr->data & 7) <= 4);
@@ -567,14 +567,14 @@ UPB_INLINE bool _upb_Array_Append_accessor(void* msg, size_t ofs,
 
 /* Right now we use strmaps for everything.  We'll likely want to use
  * integer-specific maps for integer-keyed maps.*/
-typedef struct {
+struct upb_Map {
   /* Size of key and val, based on the map type.  Strings are represented as '0'
    * because they must be handled specially. */
   char key_size;
   char val_size;
 
   upb_strtable table;
-} upb_Map;
+};
 
 /* Map entries aren't actually stored, they are only used during parsing.  For
  * parsing, it helps a lot if all map entry messages have the same layout.

upb/upb.h

@@ -51,6 +51,11 @@
 extern "C" {
 #endif
 
+// These types appear in circular references so we need to forward-declare them.
+// There is no obviously good place for this so let's just put it here.
+typedef struct upb_Array upb_Array;
+typedef struct upb_Map upb_Map;
+
 /* Constants ******************************************************************/
 
 /* A list of types as they are encoded on-the-wire. */