Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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108 lines
3.6 KiB
108 lines
3.6 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2014 Google Inc. All rights reserved. |
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// |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file or at |
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// https://developers.google.com/open-source/licenses/bsd |
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#ifndef __GOOGLE_PROTOBUF_RUBY_PROTOBUF_H__ |
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#define __GOOGLE_PROTOBUF_RUBY_PROTOBUF_H__ |
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// Ruby 3+ defines NDEBUG itself, see: https://bugs.ruby-lang.org/issues/18777 |
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#ifdef NDEBUG |
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#include <ruby.h> |
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#else |
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#include <ruby.h> |
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#undef NDEBUG |
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#endif |
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#include <ruby/version.h> |
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#if RUBY_API_VERSION_CODE < 20700 |
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#error Protobuf requires Ruby >= 2.7 |
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#endif |
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#include <assert.h> // Must be included after the NDEBUG logic above. |
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#include <ruby/encoding.h> |
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#include <ruby/vm.h> |
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#include "defs.h" |
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#include "ruby-upb.h" |
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// These operate on a map field (i.e., a repeated field of submessages whose |
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// submessage type is a map-entry msgdef). |
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const upb_FieldDef* map_field_key(const upb_FieldDef* field); |
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const upb_FieldDef* map_field_value(const upb_FieldDef* field); |
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// ----------------------------------------------------------------------------- |
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// Arena |
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// ----------------------------------------------------------------------------- |
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// A Ruby object that wraps an underlying upb_Arena. Any objects that are |
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// allocated from this arena should reference the Arena in rb_gc_mark(), to |
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// ensure that the object's underlying memory outlives any Ruby object that can |
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// reach it. |
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VALUE Arena_new(); |
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upb_Arena* Arena_get(VALUE arena); |
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// Fuses this arena to another, throwing a Ruby exception if this is not |
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// possible. |
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void Arena_fuse(VALUE arena, upb_Arena* other); |
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// ----------------------------------------------------------------------------- |
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// ObjectCache |
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// ----------------------------------------------------------------------------- |
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// Global object cache from upb array/map/message/symtab to wrapper object. |
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// |
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// This is a conceptually "weak" cache, in that it does not prevent "val" from |
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// being collected (though in Ruby <2.7 is it effectively strong, due to |
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// implementation limitations). |
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// Tries to add a new entry to the cache, returning the newly installed value or |
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// the pre-existing entry. |
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VALUE ObjectCache_TryAdd(const void* key, VALUE val); |
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// Returns the cached object for this key, if any. Otherwise returns Qnil. |
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VALUE ObjectCache_Get(const void* key); |
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// ----------------------------------------------------------------------------- |
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// StringBuilder, for inspect |
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// ----------------------------------------------------------------------------- |
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struct StringBuilder; |
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typedef struct StringBuilder StringBuilder; |
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StringBuilder* StringBuilder_New(); |
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void StringBuilder_Free(StringBuilder* b); |
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void StringBuilder_Printf(StringBuilder* b, const char* fmt, ...); |
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VALUE StringBuilder_ToRubyString(StringBuilder* b); |
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void StringBuilder_PrintMsgval(StringBuilder* b, upb_MessageValue val, |
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TypeInfo info); |
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// ----------------------------------------------------------------------------- |
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// Utilities. |
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// ----------------------------------------------------------------------------- |
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extern VALUE cTypeError; |
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#ifdef NDEBUG |
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#define PBRUBY_ASSERT(expr) \ |
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do { \ |
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} while (false && (expr)) |
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#else |
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#define PBRUBY_ASSERT(expr) \ |
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if (!(expr)) \ |
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rb_bug("Assertion failed at %s:%d, expr: %s", __FILE__, __LINE__, #expr) |
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#endif |
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// Raises a Ruby error if val is frozen in Ruby or upb_frozen is true. |
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void Protobuf_CheckNotFrozen(VALUE val, bool upb_frozen); |
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#define PBRUBY_MAX(x, y) (((x) > (y)) ? (x) : (y)) |
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#define UPB_UNUSED(var) (void)var |
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#endif // __GOOGLE_PROTOBUF_RUBY_PROTOBUF_H__
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