Remove circular dependencies that were bouncing back and forth between msg_internal.h and mini_table/, including: - splitting out each mini table subtype into its own header - moving the non-reflection message code into message/ - moving the accessors from mini_table/ to message/ PiperOrigin-RevId: 489121042pull/13171/head
Eric Salo
2 years ago
committed by
Copybara-Service
parent
9582dc2058
commit
27d70edfe2
45 changed files with 1007 additions and 588 deletions
@ -0,0 +1,85 @@ |
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/*
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* Copyright (c) 2009-2021, Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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|
* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the name of Google LLC nor the |
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* names of its contributors may be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef UPB_MESSAGE_EXTENSION_INTERNAL_H_ |
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#define UPB_MESSAGE_EXTENSION_INTERNAL_H_ |
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#include "upb/base/descriptor_constants.h" |
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#include "upb/base/string_view.h" |
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#include "upb/mem/arena.h" |
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#include "upb/message/message.h" |
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#include "upb/mini_table/extension_internal.h" |
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// Must be last.
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#include "upb/port/def.inc" |
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// The internal representation of an extension is self-describing: it contains
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// enough information that we can serialize it to binary format without needing
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// to look it up in a upb_ExtensionRegistry.
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//
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// This representation allocates 16 bytes to data on 64-bit platforms.
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// This is rather wasteful for scalars (in the extreme case of bool,
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// it wastes 15 bytes). We accept this because we expect messages to be
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// the most common extension type.
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typedef struct { |
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const upb_MiniTableExtension* ext; |
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union { |
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upb_StringView str; |
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void* ptr; |
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char scalar_data[8]; |
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} data; |
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} upb_Message_Extension; |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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// Adds the given extension data to the given message.
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// |ext| is copied into the message instance.
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// This logically replaces any previously-added extension with this number.
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upb_Message_Extension* _upb_Message_GetOrCreateExtension( |
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upb_Message* msg, const upb_MiniTableExtension* ext, upb_Arena* arena); |
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// Returns an array of extensions for this message.
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// Note: the array is ordered in reverse relative to the order of creation.
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const upb_Message_Extension* _upb_Message_Getexts(const upb_Message* msg, |
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size_t* count); |
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// Returns an extension for the given field number, or NULL if no extension
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// exists for this field number.
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const upb_Message_Extension* _upb_Message_Getext( |
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const upb_Message* msg, const upb_MiniTableExtension* ext); |
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void _upb_Message_Clearext(upb_Message* msg, const upb_MiniTableExtension* ext); |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#include "upb/port/undef.inc" |
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#endif /* UPB_MESSAGE_EXTENSION_INTERNAL_H_ */ |
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@ -0,0 +1,149 @@ |
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/*
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* Copyright (c) 2009-2021, Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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|
* modification, are permitted provided that the following conditions are met: |
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|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
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|
* * Redistributions in binary form must reproduce the above copyright |
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|
* notice, this list of conditions and the following disclaimer in the |
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|
* documentation and/or other materials provided with the distribution. |
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|
* * Neither the name of Google LLC nor the |
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|
* names of its contributors may be used to endorse or promote products |
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|
* derived from this software without specific prior written permission. |
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|
* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/*
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** Our memory representation for parsing tables and messages themselves. |
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** Functions in this file are used by generated code and possibly reflection. |
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** |
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** The definitions in this file are internal to upb. |
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**/ |
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#ifndef UPB_MESSAGE_INTERNAL_H_ |
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#define UPB_MESSAGE_INTERNAL_H_ |
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#include <stdlib.h> |
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#include <string.h> |
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#include "upb/collections/map_internal.h" |
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#include "upb/extension_registry.h" |
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#include "upb/message/extension_internal.h" |
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#include "upb/message/message.h" |
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#include "upb/mini_table/extension_internal.h" |
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#include "upb/mini_table/file_internal.h" |
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#include "upb/mini_table/message_internal.h" |
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// Must be last.
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#include "upb/port/def.inc" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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extern const float kUpb_FltInfinity; |
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extern const double kUpb_Infinity; |
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/* Internal members of a upb_Message that track unknown fields and/or
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* extensions. We can change this without breaking binary compatibility. We put |
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* these before the user's data. The user's upb_Message* points after the |
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* upb_Message_Internal. */ |
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typedef struct { |
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/* Total size of this structure, including the data that follows.
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* Must be aligned to 8, which is alignof(upb_Message_Extension) */ |
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uint32_t size; |
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/* Offsets relative to the beginning of this structure.
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* |
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* Unknown data grows forward from the beginning to unknown_end. |
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* Extension data grows backward from size to ext_begin. |
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* When the two meet, we're out of data and have to realloc. |
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* |
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* If we imagine that the final member of this struct is: |
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* char data[size - overhead]; // overhead =
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* sizeof(upb_Message_InternalData) |
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* |
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* Then we have: |
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* unknown data: data[0 .. (unknown_end - overhead)] |
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* extensions data: data[(ext_begin - overhead) .. (size - overhead)] */ |
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uint32_t unknown_end; |
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uint32_t ext_begin; |
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/* Data follows, as if there were an array:
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* char data[size - sizeof(upb_Message_InternalData)]; */ |
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} upb_Message_InternalData; |
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typedef struct { |
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upb_Message_InternalData* internal; |
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/* Message data follows. */ |
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} upb_Message_Internal; |
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/* Maps upb_CType -> memory size. */ |
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extern char _upb_CTypeo_size[12]; |
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UPB_INLINE size_t upb_msg_sizeof(const upb_MiniTable* t) { |
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return t->size + sizeof(upb_Message_Internal); |
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} |
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// Inline version upb_Message_New(), for internal use.
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UPB_INLINE upb_Message* _upb_Message_New(const upb_MiniTable* mini_table, |
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upb_Arena* arena) { |
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size_t size = upb_msg_sizeof(mini_table); |
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void* mem = upb_Arena_Malloc(arena, size + sizeof(upb_Message_Internal)); |
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if (UPB_UNLIKELY(!mem)) return NULL; |
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upb_Message* msg = UPB_PTR_AT(mem, sizeof(upb_Message_Internal), upb_Message); |
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memset(mem, 0, size); |
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return msg; |
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} |
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UPB_INLINE upb_Message_Internal* upb_Message_Getinternal( |
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const upb_Message* msg) { |
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ptrdiff_t size = sizeof(upb_Message_Internal); |
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return (upb_Message_Internal*)((char*)msg - size); |
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} |
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// Clears the given message.
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void _upb_Message_Clear(upb_Message* msg, const upb_MiniTable* l); |
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// Discards the unknown fields for this message only.
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void _upb_Message_DiscardUnknown_shallow(upb_Message* msg); |
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// Adds unknown data (serialized protobuf data) to the given message.
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// The data is copied into the message instance.
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bool _upb_Message_AddUnknown(upb_Message* msg, const char* data, size_t len, |
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upb_Arena* arena); |
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/* Map entries aren't actually stored, they are only used during parsing. For
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* parsing, it helps a lot if all map entry messages have the same layout. |
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* The compiler and def.c must ensure that all map entries have this layout. */ |
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typedef struct { |
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upb_Message_Internal internal; |
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union { |
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upb_StringView str; /* For str/bytes. */ |
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upb_value val; /* For all other types. */ |
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} k; |
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union { |
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upb_StringView str; /* For str/bytes. */ |
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upb_value val; /* For all other types. */ |
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} v; |
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} upb_MapEntry; |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#include "upb/port/undef.inc" |
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#endif /* UPB_MESSAGE_INTERNAL_H_ */ |
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@ -0,0 +1,70 @@ |
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/*
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* Copyright (c) 2009-2021, Google LLC |
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* All rights reserved. |
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|
* |
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* Redistribution and use in source and binary forms, with or without |
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|
* modification, are permitted provided that the following conditions are met: |
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|
* * Redistributions of source code must retain the above copyright |
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|
* notice, this list of conditions and the following disclaimer. |
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|
* * Redistributions in binary form must reproduce the above copyright |
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|
* notice, this list of conditions and the following disclaimer in the |
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|
* documentation and/or other materials provided with the distribution. |
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|
* * Neither the name of Google LLC nor the |
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|
* names of its contributors may be used to endorse or promote products |
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|
* derived from this software without specific prior written permission. |
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|
* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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// Public APIs for message operations that do not require descriptors.
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// These functions can be used even in build that does not want to depend on
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// reflection or descriptors.
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//
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// Descriptor-based reflection functionality lives in reflection.h.
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#ifndef UPB_MESSAGE_MESSAGE_H_ |
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#define UPB_MESSAGE_MESSAGE_H_ |
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#include "upb/mem/arena.h" |
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#include "upb/mini_table/types.h" |
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// Must be last.
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#include "upb/port/def.inc" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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// Creates a new message with the given mini_table on the given arena.
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upb_Message* upb_Message_New(const upb_MiniTable* mini_table, upb_Arena* arena); |
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// Adds unknown data (serialized protobuf data) to the given message.
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// The data is copied into the message instance.
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void upb_Message_AddUnknown(upb_Message* msg, const char* data, size_t len, |
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upb_Arena* arena); |
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// Returns a reference to the message's unknown data.
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const char* upb_Message_GetUnknown(const upb_Message* msg, size_t* len); |
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// Removes partial unknown data from message.
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void upb_Message_DeleteUnknown(upb_Message* msg, const char* data, size_t len); |
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// Returns the number of extensions present in this message.
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size_t upb_Message_ExtensionCount(const upb_Message* msg); |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#include "upb/port/undef.inc" |
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#endif /* UPB_MESSAGE_MESSAGE_H_ */ |
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@ -0,0 +1,88 @@ |
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/*
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* Copyright (c) 2009-2021, Google LLC |
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|
* All rights reserved. |
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|
* |
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|
* Redistribution and use in source and binary forms, with or without |
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|
* modification, are permitted provided that the following conditions are met: |
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|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
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|
* |
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|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef UPB_MINI_TABLE_ENUM_INTERNAL_H_ |
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#define UPB_MINI_TABLE_ENUM_INTERNAL_H_ |
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#include "upb/mini_table/types.h" |
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// Must be last.
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#include "upb/port/def.inc" |
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struct upb_MiniTableEnum { |
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uint32_t mask_limit; // Limit enum value that can be tested with mask.
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uint32_t value_count; // Number of values after the bitfield.
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uint32_t data[]; // Bitmask + enumerated values follow.
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}; |
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typedef enum { |
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_kUpb_FastEnumCheck_ValueIsInEnum = 0, |
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_kUpb_FastEnumCheck_ValueIsNotInEnum = 1, |
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_kUpb_FastEnumCheck_CannotCheckFast = 2, |
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} _kUpb_FastEnumCheck_Status; |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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UPB_INLINE _kUpb_FastEnumCheck_Status |
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_upb_MiniTable_CheckEnumValueFast(const upb_MiniTableEnum* e, uint32_t val) { |
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if (UPB_UNLIKELY(val >= 64)) return _kUpb_FastEnumCheck_CannotCheckFast; |
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uint64_t mask = e->data[0] | ((uint64_t)e->data[1] << 32); |
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return (mask & (1ULL << val)) ? _kUpb_FastEnumCheck_ValueIsInEnum |
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: _kUpb_FastEnumCheck_ValueIsNotInEnum; |
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} |
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UPB_INLINE bool _upb_MiniTable_CheckEnumValueSlow(const upb_MiniTableEnum* e, |
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uint32_t val) { |
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if (val < e->mask_limit) return e->data[val / 32] & (1ULL << (val % 32)); |
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// OPT: binary search long lists?
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const uint32_t* start = &e->data[e->mask_limit / 32]; |
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const uint32_t* limit = &e->data[(e->mask_limit / 32) + e->value_count]; |
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for (const uint32_t* p = start; p < limit; p++) { |
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if (*p == val) return true; |
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|
} |
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return false; |
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} |
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||||||
|
// Validates enum value against range defined by enum mini table.
|
||||||
|
UPB_INLINE bool upb_MiniTableEnum_CheckValue(const upb_MiniTableEnum* e, |
||||||
|
uint32_t val) { |
||||||
|
_kUpb_FastEnumCheck_Status status = _upb_MiniTable_CheckEnumValueFast(e, val); |
||||||
|
if (UPB_UNLIKELY(status == _kUpb_FastEnumCheck_CannotCheckFast)) { |
||||||
|
return _upb_MiniTable_CheckEnumValueSlow(e, val); |
||||||
|
} |
||||||
|
return status == _kUpb_FastEnumCheck_ValueIsInEnum ? true : false; |
||||||
|
} |
||||||
|
|
||||||
|
#ifdef __cplusplus |
||||||
|
} /* extern "C" */ |
||||||
|
#endif |
||||||
|
|
||||||
|
#include "upb/port/undef.inc" |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_ENUM_INTERNAL_H_ */ |
||||||
@ -0,0 +1,45 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009-2021, Google LLC |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are met: |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef UPB_MINI_TABLE_EXTENSION_INTERNAL_H_ |
||||||
|
#define UPB_MINI_TABLE_EXTENSION_INTERNAL_H_ |
||||||
|
|
||||||
|
#include "upb/mini_table/field_internal.h" |
||||||
|
#include "upb/mini_table/sub_internal.h" |
||||||
|
|
||||||
|
// Must be last.
|
||||||
|
#include "upb/port/def.inc" |
||||||
|
|
||||||
|
struct upb_MiniTableExtension { |
||||||
|
upb_MiniTableField field; |
||||||
|
const upb_MiniTable* extendee; |
||||||
|
upb_MiniTableSub sub; // NULL unless submessage or proto2 enum
|
||||||
|
}; |
||||||
|
|
||||||
|
#include "upb/port/undef.inc" |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_EXTENSION_INTERNAL_H_ */ |
||||||
@ -0,0 +1,178 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009-2021, Google LLC |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are met: |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef UPB_MINI_TABLE_FIELD_INTERNAL_H_ |
||||||
|
#define UPB_MINI_TABLE_FIELD_INTERNAL_H_ |
||||||
|
|
||||||
|
#include "upb/base/descriptor_constants.h" |
||||||
|
#include "upb/mini_table/types.h" |
||||||
|
|
||||||
|
// Must be last.
|
||||||
|
#include "upb/port/def.inc" |
||||||
|
|
||||||
|
struct upb_MiniTableField { |
||||||
|
uint32_t number; |
||||||
|
uint16_t offset; |
||||||
|
int16_t presence; // If >0, hasbit_index. If <0, ~oneof_index
|
||||||
|
uint16_t submsg_index; // kUpb_NoSub if descriptortype != MESSAGE/GROUP/ENUM
|
||||||
|
uint8_t descriptortype; |
||||||
|
|
||||||
|
// upb_FieldMode | upb_LabelFlags | (upb_FieldRep << kUpb_FieldRep_Shift)
|
||||||
|
uint8_t mode; |
||||||
|
}; |
||||||
|
|
||||||
|
#define kUpb_NoSub ((uint16_t)-1) |
||||||
|
|
||||||
|
typedef enum { |
||||||
|
kUpb_FieldMode_Map = 0, |
||||||
|
kUpb_FieldMode_Array = 1, |
||||||
|
kUpb_FieldMode_Scalar = 2, |
||||||
|
} upb_FieldMode; |
||||||
|
|
||||||
|
// Mask to isolate the upb_FieldMode from field.mode.
|
||||||
|
#define kUpb_FieldMode_Mask 3 |
||||||
|
|
||||||
|
// Extra flags on the mode field.
|
||||||
|
typedef enum { |
||||||
|
kUpb_LabelFlags_IsPacked = 4, |
||||||
|
kUpb_LabelFlags_IsExtension = 8, |
||||||
|
// Indicates that this descriptor type is an "alternate type":
|
||||||
|
// - for Int32, this indicates that the actual type is Enum (but was
|
||||||
|
// rewritten to Int32 because it is an open enum that requires no check).
|
||||||
|
// - for Bytes, this indicates that the actual type is String (but does
|
||||||
|
// not require any UTF-8 check).
|
||||||
|
kUpb_LabelFlags_IsAlternate = 16, |
||||||
|
} upb_LabelFlags; |
||||||
|
|
||||||
|
// Note: we sort by this number when calculating layout order.
|
||||||
|
typedef enum { |
||||||
|
kUpb_FieldRep_1Byte = 0, |
||||||
|
kUpb_FieldRep_4Byte = 1, |
||||||
|
kUpb_FieldRep_StringView = 2, |
||||||
|
kUpb_FieldRep_8Byte = 3, |
||||||
|
|
||||||
|
kUpb_FieldRep_Shift = 6, // Bit offset of the rep in upb_MiniTableField.mode
|
||||||
|
kUpb_FieldRep_Max = kUpb_FieldRep_8Byte, |
||||||
|
} upb_FieldRep; |
||||||
|
|
||||||
|
#ifdef __cplusplus |
||||||
|
extern "C" { |
||||||
|
#endif |
||||||
|
|
||||||
|
UPB_INLINE upb_FieldMode upb_FieldMode_Get(const upb_MiniTableField* field) { |
||||||
|
return (upb_FieldMode)(field->mode & 3); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE bool upb_IsRepeatedOrMap(const upb_MiniTableField* field) { |
||||||
|
// This works because upb_FieldMode has no value 3.
|
||||||
|
return !(field->mode & kUpb_FieldMode_Scalar); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE bool upb_IsSubMessage(const upb_MiniTableField* field) { |
||||||
|
return field->descriptortype == kUpb_FieldType_Message || |
||||||
|
field->descriptortype == kUpb_FieldType_Group; |
||||||
|
} |
||||||
|
|
||||||
|
// LINT.IfChange(presence_logic)
|
||||||
|
|
||||||
|
// Hasbit access ///////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
UPB_INLINE size_t _upb_hasbit_ofs(size_t idx) { return idx / 8; } |
||||||
|
|
||||||
|
UPB_INLINE char _upb_hasbit_mask(size_t idx) { return 1 << (idx % 8); } |
||||||
|
|
||||||
|
UPB_INLINE bool _upb_hasbit(const upb_Message* msg, size_t idx) { |
||||||
|
return (*UPB_PTR_AT(msg, _upb_hasbit_ofs(idx), const char) & |
||||||
|
_upb_hasbit_mask(idx)) != 0; |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE void _upb_sethas(const upb_Message* msg, size_t idx) { |
||||||
|
(*UPB_PTR_AT(msg, _upb_hasbit_ofs(idx), char)) |= _upb_hasbit_mask(idx); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE void _upb_clearhas(const upb_Message* msg, size_t idx) { |
||||||
|
(*UPB_PTR_AT(msg, _upb_hasbit_ofs(idx), char)) &= ~_upb_hasbit_mask(idx); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE size_t _upb_Message_Hasidx(const upb_MiniTableField* f) { |
||||||
|
UPB_ASSERT(f->presence > 0); |
||||||
|
return f->presence; |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE bool _upb_hasbit_field(const upb_Message* msg, |
||||||
|
const upb_MiniTableField* f) { |
||||||
|
return _upb_hasbit(msg, _upb_Message_Hasidx(f)); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE void _upb_sethas_field(const upb_Message* msg, |
||||||
|
const upb_MiniTableField* f) { |
||||||
|
_upb_sethas(msg, _upb_Message_Hasidx(f)); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE void _upb_clearhas_field(const upb_Message* msg, |
||||||
|
const upb_MiniTableField* f) { |
||||||
|
_upb_clearhas(msg, _upb_Message_Hasidx(f)); |
||||||
|
} |
||||||
|
|
||||||
|
// Oneof case access ///////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
UPB_INLINE uint32_t* _upb_oneofcase(upb_Message* msg, size_t case_ofs) { |
||||||
|
return UPB_PTR_AT(msg, case_ofs, uint32_t); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE uint32_t _upb_getoneofcase(const void* msg, size_t case_ofs) { |
||||||
|
return *UPB_PTR_AT(msg, case_ofs, uint32_t); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE size_t _upb_oneofcase_ofs(const upb_MiniTableField* f) { |
||||||
|
UPB_ASSERT(f->presence < 0); |
||||||
|
return ~(ptrdiff_t)f->presence; |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE uint32_t* _upb_oneofcase_field(upb_Message* msg, |
||||||
|
const upb_MiniTableField* f) { |
||||||
|
return _upb_oneofcase(msg, _upb_oneofcase_ofs(f)); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE uint32_t _upb_getoneofcase_field(const upb_Message* msg, |
||||||
|
const upb_MiniTableField* f) { |
||||||
|
return _upb_getoneofcase(msg, _upb_oneofcase_ofs(f)); |
||||||
|
} |
||||||
|
|
||||||
|
UPB_INLINE bool _upb_has_submsg_nohasbit(const upb_Message* msg, size_t ofs) { |
||||||
|
return *UPB_PTR_AT(msg, ofs, const upb_Message*) != NULL; |
||||||
|
} |
||||||
|
|
||||||
|
// LINT.ThenChange(GoogleInternalName2)
|
||||||
|
|
||||||
|
#ifdef __cplusplus |
||||||
|
} /* extern "C" */ |
||||||
|
#endif |
||||||
|
|
||||||
|
#include "upb/port/undef.inc" |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_FIELD_INTERNAL_H_ */ |
||||||
@ -0,0 +1,47 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009-2021, Google LLC |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are met: |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef UPB_MINI_TABLE_FILE_INTERNAL_H_ |
||||||
|
#define UPB_MINI_TABLE_FILE_INTERNAL_H_ |
||||||
|
|
||||||
|
#include "upb/mini_table/types.h" |
||||||
|
|
||||||
|
// Must be last.
|
||||||
|
#include "upb/port/def.inc" |
||||||
|
|
||||||
|
struct upb_MiniTableFile { |
||||||
|
const upb_MiniTable** msgs; |
||||||
|
const upb_MiniTableEnum** enums; |
||||||
|
const upb_MiniTableExtension** exts; |
||||||
|
int msg_count; |
||||||
|
int enum_count; |
||||||
|
int ext_count; |
||||||
|
}; |
||||||
|
|
||||||
|
#include "upb/port/undef.inc" |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_FILE_INTERNAL_H_ */ |
||||||
@ -0,0 +1,102 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009-2021, Google LLC |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are met: |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef UPB_MINI_TABLE_MESSAGE_INTERNAL_H_ |
||||||
|
#define UPB_MINI_TABLE_MESSAGE_INTERNAL_H_ |
||||||
|
|
||||||
|
#include "upb/mini_table/types.h" |
||||||
|
|
||||||
|
// Must be last.
|
||||||
|
#include "upb/port/def.inc" |
||||||
|
|
||||||
|
struct upb_Decoder; |
||||||
|
typedef const char* _upb_FieldParser(struct upb_Decoder* d, const char* ptr, |
||||||
|
upb_Message* msg, intptr_t table, |
||||||
|
uint64_t hasbits, uint64_t data); |
||||||
|
typedef struct { |
||||||
|
uint64_t field_data; |
||||||
|
_upb_FieldParser* field_parser; |
||||||
|
} _upb_FastTable_Entry; |
||||||
|
|
||||||
|
typedef enum { |
||||||
|
kUpb_ExtMode_NonExtendable = 0, // Non-extendable message.
|
||||||
|
kUpb_ExtMode_Extendable = 1, // Normal extendable message.
|
||||||
|
kUpb_ExtMode_IsMessageSet = 2, // MessageSet message.
|
||||||
|
kUpb_ExtMode_IsMessageSet_ITEM = |
||||||
|
3, // MessageSet item (temporary only, see decode.c)
|
||||||
|
|
||||||
|
// During table building we steal a bit to indicate that the message is a map
|
||||||
|
// entry. *Only* used during table building!
|
||||||
|
kUpb_ExtMode_IsMapEntry = 4, |
||||||
|
} upb_ExtMode; |
||||||
|
|
||||||
|
// upb_MiniTable represents the memory layout of a given upb_MessageDef.
|
||||||
|
// The members are public so generated code can initialize them,
|
||||||
|
// but users MUST NOT directly read or write any of its members.
|
||||||
|
struct upb_MiniTable { |
||||||
|
const upb_MiniTableSub* subs; |
||||||
|
const upb_MiniTableField* fields; |
||||||
|
|
||||||
|
// Must be aligned to sizeof(void*). Doesn't include internal members like
|
||||||
|
// unknown fields, extension dict, pointer to msglayout, etc.
|
||||||
|
uint16_t size; |
||||||
|
|
||||||
|
uint16_t field_count; |
||||||
|
uint8_t ext; // upb_ExtMode, declared as uint8_t so sizeof(ext) == 1
|
||||||
|
uint8_t dense_below; |
||||||
|
uint8_t table_mask; |
||||||
|
uint8_t required_count; // Required fields have the lowest hasbits.
|
||||||
|
|
||||||
|
// To statically initialize the tables of variable length, we need a flexible
|
||||||
|
// array member, and we need to compile in gnu99 mode (constant initialization
|
||||||
|
// of flexible array members is a GNU extension, not in C99 unfortunately.
|
||||||
|
_upb_FastTable_Entry fasttable[]; |
||||||
|
}; |
||||||
|
|
||||||
|
#ifdef __cplusplus |
||||||
|
extern "C" { |
||||||
|
#endif |
||||||
|
|
||||||
|
// Computes a bitmask in which the |l->required_count| lowest bits are set,
|
||||||
|
// except that we skip the lowest bit (because upb never uses hasbit 0).
|
||||||
|
//
|
||||||
|
// Sample output:
|
||||||
|
// requiredmask(1) => 0b10 (0x2)
|
||||||
|
// requiredmask(5) => 0b111110 (0x3e)
|
||||||
|
UPB_INLINE uint64_t upb_MiniTable_requiredmask(const upb_MiniTable* l) { |
||||||
|
int n = l->required_count; |
||||||
|
assert(0 < n && n <= 63); |
||||||
|
return ((1ULL << n) - 1) << 1; |
||||||
|
} |
||||||
|
|
||||||
|
#ifdef __cplusplus |
||||||
|
} /* extern "C" */ |
||||||
|
#endif |
||||||
|
|
||||||
|
#include "upb/port/undef.inc" |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_MESSAGE_INTERNAL_H_ */ |
||||||
@ -0,0 +1,38 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009-2021, Google LLC |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are met: |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef UPB_MINI_TABLE_SUB_INTERNAL_H_ |
||||||
|
#define UPB_MINI_TABLE_SUB_INTERNAL_H_ |
||||||
|
|
||||||
|
#include "upb/mini_table/types.h" |
||||||
|
|
||||||
|
union upb_MiniTableSub { |
||||||
|
const upb_MiniTable* submsg; |
||||||
|
const upb_MiniTableEnum* subenum; |
||||||
|
}; |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_SUB_INTERNAL_H_ */ |
||||||
@ -0,0 +1,40 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009-2021, Google LLC |
||||||
|
* All rights reserved. |
||||||
|
* |
||||||
|
* Redistribution and use in source and binary forms, with or without |
||||||
|
* modification, are permitted provided that the following conditions are met: |
||||||
|
* * Redistributions of source code must retain the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer. |
||||||
|
* * Redistributions in binary form must reproduce the above copyright |
||||||
|
* notice, this list of conditions and the following disclaimer in the |
||||||
|
* documentation and/or other materials provided with the distribution. |
||||||
|
* * Neither the name of Google LLC nor the |
||||||
|
* names of its contributors may be used to endorse or promote products |
||||||
|
* derived from this software without specific prior written permission. |
||||||
|
* |
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||||||
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
||||||
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||||||
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||||||
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||||||
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef UPB_MINI_TABLE_TYPES_H_ |
||||||
|
#define UPB_MINI_TABLE_TYPES_H_ |
||||||
|
|
||||||
|
typedef void upb_Message; |
||||||
|
|
||||||
|
typedef struct upb_MiniTable upb_MiniTable; |
||||||
|
typedef struct upb_MiniTableEnum upb_MiniTableEnum; |
||||||
|
typedef struct upb_MiniTableExtension upb_MiniTableExtension; |
||||||
|
typedef struct upb_MiniTableField upb_MiniTableField; |
||||||
|
typedef struct upb_MiniTableFile upb_MiniTableFile; |
||||||
|
typedef union upb_MiniTableSub upb_MiniTableSub; |
||||||
|
|
||||||
|
#endif /* UPB_MINI_TABLE_TYPES_H_ */ |
||||||
Loading…
Reference in new issue