blob: 5bbfb1e0bc2999ab6a1f266c2040d661b4d792dd [file] [log] [blame]
// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef UPB_MESSAGE_INTERNAL_ACCESSORS_H_
#define UPB_MESSAGE_INTERNAL_ACCESSORS_H_
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include "upb/base/descriptor_constants.h"
#include "upb/base/internal/endian.h"
#include "upb/base/string_view.h"
#include "upb/mem/arena.h"
#include "upb/message/internal/array.h"
#include "upb/message/internal/extension.h"
#include "upb/message/internal/map.h"
#include "upb/message/internal/message.h"
#include "upb/message/internal/tagged_ptr.h"
#include "upb/message/internal/types.h"
#include "upb/message/value.h"
#include "upb/mini_table/enum.h"
#include "upb/mini_table/extension.h"
#include "upb/mini_table/field.h"
#include "upb/mini_table/internal/field.h"
#include "upb/mini_table/message.h"
// Must be last.
#include "upb/port/def.inc"
#if defined(__GNUC__) && !defined(__clang__)
// GCC raises incorrect warnings in these functions. It thinks that we are
// overrunning buffers, but we carefully write the functions in this file to
// guarantee that this is impossible. GCC gets this wrong due it its failure
// to perform constant propagation as we expect:
// - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108217
// - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108226
//
// Unfortunately this also indicates that GCC is not optimizing away the
// switch() in cases where it should be, compromising the performance.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Warray-bounds"
#pragma GCC diagnostic ignored "-Wstringop-overflow"
#if __GNUC__ >= 11
#pragma GCC diagnostic ignored "-Wstringop-overread"
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
// LINT.IfChange(presence_logic)
// Hasbit access ///////////////////////////////////////////////////////////////
UPB_INLINE bool UPB_PRIVATE(_upb_Message_GetHasbit)(
const struct upb_Message* msg, const upb_MiniTableField* f) {
const size_t offset = UPB_PRIVATE(_upb_MiniTableField_HasbitOffset)(f);
const char mask = UPB_PRIVATE(_upb_MiniTableField_HasbitMask)(f);
return (*UPB_PTR_AT(msg, offset, const char) & mask) != 0;
}
UPB_INLINE void UPB_PRIVATE(_upb_Message_SetHasbit)(
const struct upb_Message* msg, const upb_MiniTableField* f) {
const size_t offset = UPB_PRIVATE(_upb_MiniTableField_HasbitOffset)(f);
const char mask = UPB_PRIVATE(_upb_MiniTableField_HasbitMask)(f);
(*UPB_PTR_AT(msg, offset, char)) |= mask;
}
UPB_INLINE void UPB_PRIVATE(_upb_Message_ClearHasbit)(
const struct upb_Message* msg, const upb_MiniTableField* f) {
const size_t offset = UPB_PRIVATE(_upb_MiniTableField_HasbitOffset)(f);
const char mask = UPB_PRIVATE(_upb_MiniTableField_HasbitMask)(f);
(*UPB_PTR_AT(msg, offset, char)) &= ~mask;
}
// Oneof case access ///////////////////////////////////////////////////////////
UPB_INLINE uint32_t* UPB_PRIVATE(_upb_Message_OneofCasePtr)(
struct upb_Message* msg, const upb_MiniTableField* f) {
return UPB_PTR_AT(msg, UPB_PRIVATE(_upb_MiniTableField_OneofOffset)(f),
uint32_t);
}
UPB_INLINE uint32_t UPB_PRIVATE(_upb_Message_GetOneofCase)(
const struct upb_Message* msg, const upb_MiniTableField* f) {
const uint32_t* ptr =
UPB_PRIVATE(_upb_Message_OneofCasePtr)((struct upb_Message*)msg, f);
return *ptr;
}
UPB_INLINE void UPB_PRIVATE(_upb_Message_SetOneofCase)(
struct upb_Message* msg, const upb_MiniTableField* f) {
uint32_t* ptr = UPB_PRIVATE(_upb_Message_OneofCasePtr)(msg, f);
*ptr = upb_MiniTableField_Number(f);
}
// Returns true if the given field is the current oneof case.
// Does nothing if it is not the current oneof case.
UPB_INLINE bool UPB_PRIVATE(_upb_Message_ClearOneofCase)(
struct upb_Message* msg, const upb_MiniTableField* f) {
uint32_t* ptr = UPB_PRIVATE(_upb_Message_OneofCasePtr)(msg, f);
if (*ptr != upb_MiniTableField_Number(f)) return false;
*ptr = 0;
return true;
}
UPB_API_INLINE uint32_t upb_Message_WhichOneofFieldNumber(
const struct upb_Message* message, const upb_MiniTableField* oneof_field) {
UPB_ASSUME(upb_MiniTableField_IsInOneof(oneof_field));
return UPB_PRIVATE(_upb_Message_GetOneofCase)(message, oneof_field);
}
UPB_API_INLINE const upb_MiniTableField* upb_Message_WhichOneof(
const struct upb_Message* msg, const upb_MiniTable* m,
const upb_MiniTableField* f) {
uint32_t field_number = upb_Message_WhichOneofFieldNumber(msg, f);
if (field_number == 0) {
// No field in the oneof is set.
return NULL;
}
return upb_MiniTable_FindFieldByNumber(m, field_number);
}
// LINT.ThenChange(GoogleInternalName2)
// Returns false if the message is missing any of its required fields.
UPB_INLINE bool UPB_PRIVATE(_upb_Message_IsInitializedShallow)(
const struct upb_Message* msg, const upb_MiniTable* m) {
uint64_t bits;
memcpy(&bits, msg + 1, sizeof(bits));
bits = upb_BigEndian64(bits);
return (UPB_PRIVATE(_upb_MiniTable_RequiredMask)(m) & ~bits) == 0;
}
UPB_INLINE void* UPB_PRIVATE(_upb_Message_MutableDataPtr)(
struct upb_Message* msg, const upb_MiniTableField* f) {
return (char*)msg + f->UPB_ONLYBITS(offset);
}
UPB_INLINE const void* UPB_PRIVATE(_upb_Message_DataPtr)(
const struct upb_Message* msg, const upb_MiniTableField* f) {
return (const char*)msg + f->UPB_ONLYBITS(offset);
}
UPB_INLINE void UPB_PRIVATE(_upb_Message_SetPresence)(
struct upb_Message* msg, const upb_MiniTableField* f) {
if (UPB_PRIVATE(_upb_MiniTableField_HasHasbit)(f)) {
UPB_PRIVATE(_upb_Message_SetHasbit)(msg, f);
} else if (upb_MiniTableField_IsInOneof(f)) {
UPB_PRIVATE(_upb_Message_SetOneofCase)(msg, f);
}
}
UPB_INLINE void UPB_PRIVATE(_upb_MiniTableField_DataCopy)(
const upb_MiniTableField* f, void* to, const void* from) {
switch (UPB_PRIVATE(_upb_MiniTableField_GetRep)(f)) {
case kUpb_FieldRep_1Byte:
memcpy(to, from, 1);
return;
case kUpb_FieldRep_4Byte:
memcpy(to, from, 4);
return;
case kUpb_FieldRep_8Byte:
memcpy(to, from, 8);
return;
case kUpb_FieldRep_StringView: {
memcpy(to, from, sizeof(upb_StringView));
return;
}
}
UPB_UNREACHABLE();
}
UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataEquals)(
const upb_MiniTableField* f, const void* a, const void* b) {
switch (UPB_PRIVATE(_upb_MiniTableField_GetRep)(f)) {
case kUpb_FieldRep_1Byte:
return memcmp(a, b, 1) == 0;
case kUpb_FieldRep_4Byte:
return memcmp(a, b, 4) == 0;
case kUpb_FieldRep_8Byte:
return memcmp(a, b, 8) == 0;
case kUpb_FieldRep_StringView: {
const upb_StringView sa = *(const upb_StringView*)a;
const upb_StringView sb = *(const upb_StringView*)b;
return upb_StringView_IsEqual(sa, sb);
}
}
UPB_UNREACHABLE();
}
UPB_INLINE void UPB_PRIVATE(_upb_MiniTableField_DataClear)(
const upb_MiniTableField* f, void* val) {
const char zero[16] = {0};
UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, zero);
}
UPB_INLINE bool UPB_PRIVATE(_upb_MiniTableField_DataIsZero)(
const upb_MiniTableField* f, const void* val) {
const char zero[16] = {0};
return UPB_PRIVATE(_upb_MiniTableField_DataEquals)(f, val, zero);
}
// Here we define universal getter/setter functions for message fields.
// These look very branchy and inefficient, but as long as the MiniTableField
// values are known at compile time, all the branches are optimized away and
// we are left with ideal code. This can happen either through through
// literals or UPB_ASSUME():
//
// // Via struct literals.
// bool FooMessage_set_bool_field(const upb_Message* msg, bool val) {
// const upb_MiniTableField field = {1, 0, 0, /* etc... */};
// // All value in "field" are compile-time known.
// upb_Message_SetBaseField(msg, &field, &value);
// }
//
// // Via UPB_ASSUME().
// UPB_INLINE bool upb_Message_SetBool(upb_Message* msg,
// const upb_MiniTableField* field,
// bool value, upb_Arena* a) {
// UPB_ASSUME(field->UPB_PRIVATE(descriptortype) == kUpb_FieldType_Bool);
// UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(field) ==
// kUpb_FieldRep_1Byte);
// upb_Message_SetField(msg, field, &value, a);
// }
//
// As a result, we can use these universal getters/setters for *all* message
// accessors: generated code, MiniTable accessors, and reflection. The only
// exception is the binary encoder/decoder, which need to be a bit more clever
// about how they read/write the message data, for efficiency.
//
// These functions work on both extensions and non-extensions. If the field
// of a setter is known to be a non-extension, the arena may be NULL and the
// returned bool value may be ignored since it will always succeed.
UPB_API_INLINE bool upb_Message_HasBaseField(const struct upb_Message* msg,
const upb_MiniTableField* field) {
UPB_ASSERT(upb_MiniTableField_HasPresence(field));
UPB_ASSUME(!upb_MiniTableField_IsExtension(field));
if (upb_MiniTableField_IsInOneof(field)) {
return UPB_PRIVATE(_upb_Message_GetOneofCase)(msg, field) ==
upb_MiniTableField_Number(field);
} else {
return UPB_PRIVATE(_upb_Message_GetHasbit)(msg, field);
}
}
UPB_API_INLINE bool upb_Message_HasExtension(const struct upb_Message* msg,
const upb_MiniTableExtension* e) {
UPB_ASSERT(upb_MiniTableField_HasPresence(&e->UPB_PRIVATE(field)));
return UPB_PRIVATE(_upb_Message_Getext)(msg, e) != NULL;
}
UPB_FORCEINLINE void _upb_Message_GetNonExtensionField(
const struct upb_Message* msg, const upb_MiniTableField* field,
const void* default_val, void* val) {
UPB_ASSUME(!upb_MiniTableField_IsExtension(field));
if ((upb_MiniTableField_IsInOneof(field) ||
!UPB_PRIVATE(_upb_MiniTableField_DataIsZero)(field, default_val)) &&
!upb_Message_HasBaseField(msg, field)) {
UPB_PRIVATE(_upb_MiniTableField_DataCopy)(field, val, default_val);
return;
}
UPB_PRIVATE(_upb_MiniTableField_DataCopy)
(field, val, UPB_PRIVATE(_upb_Message_DataPtr)(msg, field));
}
UPB_INLINE void _upb_Message_GetExtensionField(
const struct upb_Message* msg, const upb_MiniTableExtension* mt_ext,
const void* default_val, void* val) {
const upb_Extension* ext = UPB_PRIVATE(_upb_Message_Getext)(msg, mt_ext);
const upb_MiniTableField* f = &mt_ext->UPB_PRIVATE(field);
UPB_ASSUME(upb_MiniTableField_IsExtension(f));
if (ext) {
UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, &ext->data);
} else {
UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, val, default_val);
}
}
// NOTE: The default_val is only used for fields that support presence.
// For repeated/map fields, the resulting upb_Array*/upb_Map* can be NULL if a
// upb_Array/upb_Map has not been allocated yet. Array/map fields do not have
// presence, so this is semantically identical to a pointer to an empty
// array/map, and must be treated the same for all semantic purposes.
UPB_API_INLINE upb_MessageValue upb_Message_GetField(
const struct upb_Message* msg, const upb_MiniTableField* field,
upb_MessageValue default_val) {
upb_MessageValue ret;
if (upb_MiniTableField_IsExtension(field)) {
_upb_Message_GetExtensionField(msg, (upb_MiniTableExtension*)field,
&default_val, &ret);
} else {
_upb_Message_GetNonExtensionField(msg, field, &default_val, &ret);
}
return ret;
}
UPB_API_INLINE void upb_Message_SetBaseField(struct upb_Message* msg,
const upb_MiniTableField* f,
const void* val) {
UPB_ASSERT(!upb_Message_IsFrozen(msg));
UPB_ASSUME(!upb_MiniTableField_IsExtension(f));
UPB_PRIVATE(_upb_Message_SetPresence)(msg, f);
UPB_PRIVATE(_upb_MiniTableField_DataCopy)
(f, UPB_PRIVATE(_upb_Message_MutableDataPtr)(msg, f), val);
}
UPB_API_INLINE bool upb_Message_SetExtension(struct upb_Message* msg,
const upb_MiniTableExtension* e,
const void* val, upb_Arena* a) {
UPB_ASSERT(!upb_Message_IsFrozen(msg));
UPB_ASSERT(a);
upb_Extension* ext =
UPB_PRIVATE(_upb_Message_GetOrCreateExtension)(msg, e, a);
if (!ext) return false;
UPB_PRIVATE(_upb_MiniTableField_DataCopy)
(&e->UPB_PRIVATE(field), &ext->data, val);
return true;
}
// Sets the value of the given field in the given msg. The return value is true
// if the operation completed successfully, or false if memory allocation
// failed.
UPB_INLINE bool UPB_PRIVATE(_upb_Message_SetField)(struct upb_Message* msg,
const upb_MiniTableField* f,
upb_MessageValue val,
upb_Arena* a) {
if (upb_MiniTableField_IsExtension(f)) {
const upb_MiniTableExtension* ext = (const upb_MiniTableExtension*)f;
return upb_Message_SetExtension(msg, ext, &val, a);
} else {
upb_Message_SetBaseField(msg, f, &val);
return true;
}
}
UPB_API_INLINE const upb_Array* upb_Message_GetArray(
const struct upb_Message* msg, const upb_MiniTableField* f) {
UPB_PRIVATE(_upb_MiniTableField_CheckIsArray)(f);
upb_Array* ret;
const upb_Array* default_val = NULL;
_upb_Message_GetNonExtensionField(msg, f, &default_val, &ret);
return ret;
}
UPB_API_INLINE bool upb_Message_GetBool(const struct upb_Message* msg,
const upb_MiniTableField* f,
bool default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Bool);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_1Byte);
upb_MessageValue def;
def.bool_val = default_val;
return upb_Message_GetField(msg, f, def).bool_val;
}
UPB_API_INLINE double upb_Message_GetDouble(const struct upb_Message* msg,
const upb_MiniTableField* f,
double default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Double);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_8Byte);
upb_MessageValue def;
def.double_val = default_val;
return upb_Message_GetField(msg, f, def).double_val;
}
UPB_API_INLINE float upb_Message_GetFloat(const struct upb_Message* msg,
const upb_MiniTableField* f,
float default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Float);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
upb_MessageValue def;
def.float_val = default_val;
return upb_Message_GetField(msg, f, def).float_val;
}
UPB_API_INLINE int32_t upb_Message_GetInt32(const struct upb_Message* msg,
const upb_MiniTableField* f,
int32_t default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Int32 ||
upb_MiniTableField_CType(f) == kUpb_CType_Enum);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
upb_MessageValue def;
def.int32_val = default_val;
return upb_Message_GetField(msg, f, def).int32_val;
}
UPB_API_INLINE int64_t upb_Message_GetInt64(const struct upb_Message* msg,
const upb_MiniTableField* f,
int64_t default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Int64);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_8Byte);
upb_MessageValue def;
def.int64_val = default_val;
return upb_Message_GetField(msg, f, def).int64_val;
}
UPB_INLINE void UPB_PRIVATE(_upb_Message_AssertMapIsUntagged)(
const struct upb_Message* msg, const upb_MiniTableField* field) {
UPB_UNUSED(msg);
UPB_PRIVATE(_upb_MiniTableField_CheckIsMap)(field);
#ifndef NDEBUG
uintptr_t default_val = 0;
uintptr_t tagged;
_upb_Message_GetNonExtensionField(msg, field, &default_val, &tagged);
UPB_ASSERT(!upb_TaggedMessagePtr_IsEmpty(tagged));
#endif
}
UPB_API_INLINE const struct upb_Map* upb_Message_GetMap(
const struct upb_Message* msg, const upb_MiniTableField* f) {
UPB_PRIVATE(_upb_MiniTableField_CheckIsMap)(f);
UPB_PRIVATE(_upb_Message_AssertMapIsUntagged)(msg, f);
struct upb_Map* ret;
const struct upb_Map* default_val = NULL;
_upb_Message_GetNonExtensionField(msg, f, &default_val, &ret);
return ret;
}
UPB_API_INLINE uintptr_t upb_Message_GetTaggedMessagePtr(
const struct upb_Message* msg, const upb_MiniTableField* f,
struct upb_Message* default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Message);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) ==
UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte));
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
uintptr_t tagged;
_upb_Message_GetNonExtensionField(msg, f, &default_val, &tagged);
return tagged;
}
// For internal use only; users cannot set tagged messages because only the
// parser and the message copier are allowed to directly create an empty
// message.
UPB_INLINE void UPB_PRIVATE(_upb_Message_SetTaggedMessagePtr)(
struct upb_Message* msg, const upb_MiniTableField* f,
uintptr_t sub_message) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Message);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) ==
UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte));
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
upb_Message_SetBaseField(msg, f, &sub_message);
}
UPB_API_INLINE const struct upb_Message* upb_Message_GetMessage(
const struct upb_Message* msg, const upb_MiniTableField* f) {
uintptr_t tagged = upb_Message_GetTaggedMessagePtr(msg, f, NULL);
return upb_TaggedMessagePtr_GetNonEmptyMessage(tagged);
}
UPB_API_INLINE upb_Array* upb_Message_GetMutableArray(
struct upb_Message* msg, const upb_MiniTableField* f) {
UPB_PRIVATE(_upb_MiniTableField_CheckIsArray)(f);
return (upb_Array*)upb_Message_GetArray(msg, f);
}
UPB_API_INLINE struct upb_Map* upb_Message_GetMutableMap(
struct upb_Message* msg, const upb_MiniTableField* f) {
return (struct upb_Map*)upb_Message_GetMap(msg, f);
}
UPB_API_INLINE struct upb_Message* upb_Message_GetMutableMessage(
struct upb_Message* msg, const upb_MiniTableField* f) {
return (struct upb_Message*)upb_Message_GetMessage(msg, f);
}
UPB_API_INLINE upb_Array* upb_Message_GetOrCreateMutableArray(
struct upb_Message* msg, const upb_MiniTableField* f, upb_Arena* arena) {
UPB_ASSERT(arena);
UPB_PRIVATE(_upb_MiniTableField_CheckIsArray)(f);
upb_Array* array = upb_Message_GetMutableArray(msg, f);
if (!array) {
array = UPB_PRIVATE(_upb_Array_New)(
arena, 4, UPB_PRIVATE(_upb_MiniTableField_ElemSizeLg2)(f));
// Check again due to: https://godbolt.org/z/7WfaoKG1r
UPB_PRIVATE(_upb_MiniTableField_CheckIsArray)(f);
upb_MessageValue val;
val.array_val = array;
UPB_PRIVATE(_upb_Message_SetField)(msg, f, val, arena);
}
return array;
}
UPB_INLINE struct upb_Map* _upb_Message_GetOrCreateMutableMap(
struct upb_Message* msg, const upb_MiniTableField* field, size_t key_size,
size_t val_size, upb_Arena* arena) {
UPB_PRIVATE(_upb_MiniTableField_CheckIsMap)(field);
UPB_PRIVATE(_upb_Message_AssertMapIsUntagged)(msg, field);
struct upb_Map* map = NULL;
struct upb_Map* default_map_value = NULL;
_upb_Message_GetNonExtensionField(msg, field, &default_map_value, &map);
if (!map) {
map = _upb_Map_New(arena, key_size, val_size);
// Check again due to: https://godbolt.org/z/7WfaoKG1r
UPB_PRIVATE(_upb_MiniTableField_CheckIsMap)(field);
upb_Message_SetBaseField(msg, field, &map);
}
return map;
}
UPB_API_INLINE struct upb_Map* upb_Message_GetOrCreateMutableMap(
struct upb_Message* msg, const upb_MiniTable* map_entry_mini_table,
const upb_MiniTableField* f, upb_Arena* arena) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Message);
const upb_MiniTableField* map_entry_key_field =
&map_entry_mini_table->UPB_ONLYBITS(fields)[0];
const upb_MiniTableField* map_entry_value_field =
&map_entry_mini_table->UPB_ONLYBITS(fields)[1];
return _upb_Message_GetOrCreateMutableMap(
msg, f, _upb_Map_CTypeSize(upb_MiniTableField_CType(map_entry_key_field)),
_upb_Map_CTypeSize(upb_MiniTableField_CType(map_entry_value_field)),
arena);
}
UPB_API_INLINE struct upb_Message* upb_Message_GetOrCreateMutableMessage(
struct upb_Message* msg, const upb_MiniTable* mini_table,
const upb_MiniTableField* f, upb_Arena* arena) {
UPB_ASSERT(arena);
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Message);
UPB_ASSUME(!upb_MiniTableField_IsExtension(f));
struct upb_Message* sub_message =
*UPB_PTR_AT(msg, f->UPB_ONLYBITS(offset), struct upb_Message*);
if (!sub_message) {
const upb_MiniTable* sub_mini_table =
upb_MiniTable_SubMessage(mini_table, f);
UPB_ASSERT(sub_mini_table);
sub_message = _upb_Message_New(sub_mini_table, arena);
*UPB_PTR_AT(msg, f->UPB_ONLYBITS(offset), struct upb_Message*) =
sub_message;
UPB_PRIVATE(_upb_Message_SetPresence)(msg, f);
}
return sub_message;
}
UPB_API_INLINE upb_StringView
upb_Message_GetString(const struct upb_Message* msg,
const upb_MiniTableField* f, upb_StringView default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_String ||
upb_MiniTableField_CType(f) == kUpb_CType_Bytes);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) ==
kUpb_FieldRep_StringView);
upb_MessageValue def;
def.str_val = default_val;
return upb_Message_GetField(msg, f, def).str_val;
}
UPB_API_INLINE uint32_t upb_Message_GetUInt32(const struct upb_Message* msg,
const upb_MiniTableField* f,
uint32_t default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_UInt32);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
upb_MessageValue def;
def.uint32_val = default_val;
return upb_Message_GetField(msg, f, def).uint32_val;
}
UPB_API_INLINE uint64_t upb_Message_GetUInt64(const struct upb_Message* msg,
const upb_MiniTableField* f,
uint64_t default_val) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_UInt64);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_8Byte);
upb_MessageValue def;
def.uint64_val = default_val;
return upb_Message_GetField(msg, f, def).uint64_val;
}
// BaseField Setters ///////////////////////////////////////////////////////////
UPB_API_INLINE void upb_Message_SetBaseFieldBool(struct upb_Message* msg,
const upb_MiniTableField* f,
bool value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Bool);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_1Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldDouble(struct upb_Message* msg,
const upb_MiniTableField* f,
double value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Double);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_8Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldFloat(struct upb_Message* msg,
const upb_MiniTableField* f,
float value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Float);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldInt32(struct upb_Message* msg,
const upb_MiniTableField* f,
int32_t value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Int32 ||
upb_MiniTableField_CType(f) == kUpb_CType_Enum);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldInt64(struct upb_Message* msg,
const upb_MiniTableField* f,
int64_t value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_Int64);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_8Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldString(struct upb_Message* msg,
const upb_MiniTableField* f,
upb_StringView value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_String ||
upb_MiniTableField_CType(f) == kUpb_CType_Bytes);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) ==
kUpb_FieldRep_StringView);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldUInt32(struct upb_Message* msg,
const upb_MiniTableField* f,
uint32_t value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_UInt32);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetBaseFieldUInt64(struct upb_Message* msg,
const upb_MiniTableField* f,
uint64_t value) {
UPB_ASSUME(upb_MiniTableField_CType(f) == kUpb_CType_UInt64);
UPB_ASSUME(upb_MiniTableField_IsScalar(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_8Byte);
upb_Message_SetBaseField(msg, f, &value);
}
UPB_API_INLINE void upb_Message_SetClosedEnum(struct upb_Message* msg,
const upb_MiniTable* m,
const upb_MiniTableField* f,
int32_t value) {
UPB_ASSERT(upb_MiniTableField_IsClosedEnum(f));
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableField_GetRep)(f) == kUpb_FieldRep_4Byte);
UPB_ASSERT(
upb_MiniTableEnum_CheckValue(upb_MiniTable_GetSubEnumTable(m, f), value));
upb_Message_SetBaseField(msg, f, &value);
}
// Extension Setters ///////////////////////////////////////////////////////////
UPB_API_INLINE bool upb_Message_SetExtensionBool(
struct upb_Message* msg, const upb_MiniTableExtension* e, bool value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_Bool);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_1Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionDouble(
struct upb_Message* msg, const upb_MiniTableExtension* e, double value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_Double);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_8Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionFloat(
struct upb_Message* msg, const upb_MiniTableExtension* e, float value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_Float);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_4Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionInt32(
struct upb_Message* msg, const upb_MiniTableExtension* e, int32_t value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_Int32 ||
upb_MiniTableExtension_CType(e) == kUpb_CType_Enum);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_4Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionInt64(
struct upb_Message* msg, const upb_MiniTableExtension* e, int64_t value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_Int64);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_8Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionString(
struct upb_Message* msg, const upb_MiniTableExtension* e,
upb_StringView value, upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_String ||
upb_MiniTableExtension_CType(e) == kUpb_CType_Bytes);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_StringView);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionUInt32(
struct upb_Message* msg, const upb_MiniTableExtension* e, uint32_t value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_UInt32);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_4Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
UPB_API_INLINE bool upb_Message_SetExtensionUInt64(
struct upb_Message* msg, const upb_MiniTableExtension* e, uint64_t value,
upb_Arena* a) {
UPB_ASSUME(upb_MiniTableExtension_CType(e) == kUpb_CType_UInt64);
UPB_ASSUME(UPB_PRIVATE(_upb_MiniTableExtension_GetRep)(e) ==
kUpb_FieldRep_8Byte);
return upb_Message_SetExtension(msg, e, &value, a);
}
// Universal Setters ///////////////////////////////////////////////////////////
UPB_API_INLINE bool upb_Message_SetBool(struct upb_Message* msg,
const upb_MiniTableField* f, bool value,
upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionBool(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldBool(msg, f, value), true);
}
UPB_API_INLINE bool upb_Message_SetDouble(struct upb_Message* msg,
const upb_MiniTableField* f,
double value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionDouble(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldDouble(msg, f, value), true);
}
UPB_API_INLINE bool upb_Message_SetFloat(struct upb_Message* msg,
const upb_MiniTableField* f,
float value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionFloat(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldFloat(msg, f, value), true);
}
UPB_API_INLINE bool upb_Message_SetInt32(struct upb_Message* msg,
const upb_MiniTableField* f,
int32_t value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionInt32(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldInt32(msg, f, value), true);
}
UPB_API_INLINE bool upb_Message_SetInt64(struct upb_Message* msg,
const upb_MiniTableField* f,
int64_t value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionInt64(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldInt64(msg, f, value), true);
}
// Sets the value of a message-typed field. The mini_tables of `msg` and
// `value` must have been linked for this to work correctly.
UPB_API_INLINE void upb_Message_SetMessage(struct upb_Message* msg,
const upb_MiniTableField* f,
struct upb_Message* value) {
UPB_PRIVATE(_upb_Message_SetTaggedMessagePtr)
(msg, f, UPB_PRIVATE(_upb_TaggedMessagePtr_Pack)(value, false));
}
// Sets the value of a `string` or `bytes` field. The bytes of the value are not
// copied, so it is the caller's responsibility to ensure that they remain valid
// for the lifetime of `msg`. That might be done by copying them into the given
// arena, or by fusing that arena with the arena the bytes live in, for example.
UPB_API_INLINE bool upb_Message_SetString(struct upb_Message* msg,
const upb_MiniTableField* f,
upb_StringView value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionString(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldString(msg, f, value), true);
}
UPB_API_INLINE bool upb_Message_SetUInt32(struct upb_Message* msg,
const upb_MiniTableField* f,
uint32_t value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionUInt32(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldUInt32(msg, f, value), true);
}
UPB_API_INLINE bool upb_Message_SetUInt64(struct upb_Message* msg,
const upb_MiniTableField* f,
uint64_t value, upb_Arena* a) {
return upb_MiniTableField_IsExtension(f)
? upb_Message_SetExtensionUInt64(
msg, (const upb_MiniTableExtension*)f, value, a)
: (upb_Message_SetBaseFieldUInt64(msg, f, value), true);
}
UPB_API_INLINE void upb_Message_Clear(struct upb_Message* msg,
const upb_MiniTable* m) {
UPB_ASSERT(!upb_Message_IsFrozen(msg));
upb_Message_Internal* in = UPB_PRIVATE(_upb_Message_GetInternal)(msg);
memset(msg, 0, m->UPB_PRIVATE(size));
if (in) {
// Reset the internal buffer to empty.
in->unknown_end = sizeof(upb_Message_Internal);
in->ext_begin = in->size;
UPB_PRIVATE(_upb_Message_SetInternal)(msg, in);
}
}
UPB_API_INLINE void upb_Message_ClearBaseField(struct upb_Message* msg,
const upb_MiniTableField* f) {
UPB_ASSERT(!upb_Message_IsFrozen(msg));
if (UPB_PRIVATE(_upb_MiniTableField_HasHasbit)(f)) {
UPB_PRIVATE(_upb_Message_ClearHasbit)(msg, f);
} else if (upb_MiniTableField_IsInOneof(f)) {
uint32_t* ptr = UPB_PRIVATE(_upb_Message_OneofCasePtr)(msg, f);
if (*ptr != upb_MiniTableField_Number(f)) return;
*ptr = 0;
}
const char zeros[16] = {0};
UPB_PRIVATE(_upb_MiniTableField_DataCopy)
(f, UPB_PRIVATE(_upb_Message_MutableDataPtr)(msg, f), zeros);
}
UPB_API_INLINE void upb_Message_ClearExtension(
struct upb_Message* msg, const upb_MiniTableExtension* e) {
UPB_ASSERT(!upb_Message_IsFrozen(msg));
upb_Message_Internal* in = UPB_PRIVATE(_upb_Message_GetInternal)(msg);
if (!in) return;
const upb_Extension* base = UPB_PTR_AT(in, in->ext_begin, upb_Extension);
upb_Extension* ext = (upb_Extension*)UPB_PRIVATE(_upb_Message_Getext)(msg, e);
if (ext) {
*ext = *base;
in->ext_begin += sizeof(upb_Extension);
}
}
UPB_API_INLINE void upb_Message_ClearOneof(struct upb_Message* msg,
const upb_MiniTable* m,
const upb_MiniTableField* f) {
UPB_ASSERT(!upb_Message_IsFrozen(msg));
uint32_t field_number = upb_Message_WhichOneofFieldNumber(msg, f);
if (field_number == 0) {
// No field in the oneof is set.
return;
}
const upb_MiniTableField* field =
upb_MiniTable_FindFieldByNumber(m, field_number);
upb_Message_ClearBaseField(msg, field);
}
UPB_API_INLINE void* upb_Message_ResizeArrayUninitialized(
struct upb_Message* msg, const upb_MiniTableField* f, size_t size,
upb_Arena* arena) {
UPB_PRIVATE(_upb_MiniTableField_CheckIsArray)(f);
upb_Array* arr = upb_Message_GetOrCreateMutableArray(msg, f, arena);
if (!arr || !UPB_PRIVATE(_upb_Array_ResizeUninitialized)(arr, size, arena)) {
return NULL;
}
return upb_Array_MutableDataPtr(arr);
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
#include "upb/port/undef.inc"
#endif // UPB_MESSAGE_INTERNAL_ACCESSORS_H_