181 lines
7.3 KiB
C
181 lines
7.3 KiB
C
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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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
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// met:
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//
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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
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// 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
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef PHP_PROTOBUF_H_
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#define PHP_PROTOBUF_H_
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#include <php.h>
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#include <stdbool.h>
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#include "php-upb.h"
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const zval *get_generated_pool();
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#if PHP_VERSION_ID < 70300
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#define GC_ADDREF(h) ++GC_REFCOUNT(h)
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#define GC_DELREF(h) --GC_REFCOUNT(h)
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#endif
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// Since php 7.4, the write_property() object handler now returns the assigned
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// value (after possible type coercions) rather than void.
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// https://github.com/php/php-src/blob/PHP-7.4.0/UPGRADING.INTERNALS#L171-L173
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#if PHP_VERSION_ID < 70400
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#define PROTO_RETURN_VAL void
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#else
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#define PROTO_RETURN_VAL zval*
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#endif
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// Since php 8.0, the Object Handlers API was changed to receive zend_object*
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// instead of zval* and zend_string* instead of zval* for property names.
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// https://github.com/php/php-src/blob/php-8.0.0beta1/UPGRADING.INTERNALS#L37-L39
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#if PHP_VERSION_ID < 80000
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#define PROTO_VAL zval
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#define PROTO_STR zval
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#define PROTO_VAL_P(obj) (void*)Z_OBJ_P(obj)
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#define PROTO_STRVAL_P(obj) Z_STRVAL_P(obj)
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#define PROTO_STRLEN_P(obj) Z_STRLEN_P(obj)
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#define ZVAL_OBJ_COPY(z, o) do { ZVAL_OBJ(z, o); GC_ADDREF(o); } while (0)
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#define RETVAL_OBJ_COPY(r) ZVAL_OBJ_COPY(return_value, r)
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#define RETURN_OBJ_COPY(r) do { RETVAL_OBJ_COPY(r); return; } while (0)
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#define RETURN_COPY(zv) do { ZVAL_COPY(return_value, zv); return; } while (0)
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#define RETURN_COPY_VALUE(zv) do { ZVAL_COPY_VALUE(return_value, zv); return; } while (0)
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#else
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#define PROTO_VAL zend_object
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#define PROTO_STR zend_string
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#define PROTO_VAL_P(obj) (void*)(obj)
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#define PROTO_STRVAL_P(obj) ZSTR_VAL(obj)
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#define PROTO_STRLEN_P(obj) ZSTR_LEN(obj)
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#endif
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// In PHP 8.1, several old interfaces are removed:
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// https://github.com/php/php-src/blob/14f599ea7def7c7a59c40aff763ce8b105573e7a/UPGRADING.INTERNALS#L27-L31
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//
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// We now use the new interfaces (zend_ce_arrayaccess and zend_ce_countable).
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// However we have to polyfill zend_ce_countable, which was only introduced in
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// PHP 7.2.0.
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#if PHP_VERSION_ID < 70200
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#define zend_ce_countable spl_ce_Countable
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#define ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(name, return_reference, required_num_args, class_name, allow_null) \
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ZEND_BEGIN_ARG_INFO_EX(name, return_reference, required_num_args, allow_null)
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#endif
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// polyfill for ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX, which changes between 7.1 and 7.2
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#if PHP_VERSION_ID < 70200
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#define PROTOBUF_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null) \
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ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, /*class_name*/ 0, allow_null)
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#else
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#define PROTOBUF_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null) \
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ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null)
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#endif
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// In PHP 8.1, mismatched tentative return types emit a deprecation notice.
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// https://wiki.php.net/rfc/internal_method_return_types
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//
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// When compiling for earlier php versions, the return type is dropped.
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#if PHP_VERSION_ID < 80100
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#define ZEND_BEGIN_ARG_WITH_TENTATIVE_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null) \
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ZEND_BEGIN_ARG_INFO_EX(name, return_reference, required_num_args, allow_null)
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#endif
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#ifndef IS_VOID
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#define IS_VOID 99
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#endif
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#ifndef IS_MIXED
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#define IS_MIXED 99
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#endif
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#ifndef _IS_BOOL
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#define _IS_BOOL 99
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#endif
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#ifndef IS_LONG
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#define IS_LONG 99
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#endif
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ZEND_BEGIN_ARG_INFO(arginfo_void, 0)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_setter, 0, 0, 1)
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ZEND_ARG_INFO(0, value)
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ZEND_END_ARG_INFO()
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#define PHP_PROTOBUF_VERSION "3.20.3"
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// ptr -> PHP object cache. This is a weak map that caches lazily-created
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// wrapper objects around upb types:
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// * upb_Message* -> Message
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// * upb_Array* -> RepeatedField
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// * upb_Map*, -> MapField
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// * upb_MessageDef* -> Descriptor
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// * upb_EnumDef* -> EnumDescriptor
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// * upb_MessageDef* -> Descriptor
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//
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// Each wrapped object should add itself to the map when it is constructed, and
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// remove itself from the map when it is destroyed. This is how we ensure that
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// the map only contains live objects. The map is weak so it does not actually
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// take references to the cached objects.
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void ObjCache_Add(const void *key, zend_object *php_obj);
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void ObjCache_Delete(const void *key);
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bool ObjCache_Get(const void *key, zval *val);
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// PHP class name map. This is necessary because the pb_name->php_class_name
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// transformation is non-reversible, so when we need to look up a msgdef or
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// enumdef by PHP class, we can't turn the class name into a pb_name.
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// * php_class_name -> upb_MessageDef*
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// * php_class_name -> upb_EnumDef*
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void NameMap_AddMessage(const upb_MessageDef *m);
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void NameMap_AddEnum(const upb_EnumDef *m);
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const upb_MessageDef *NameMap_GetMessage(zend_class_entry *ce);
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const upb_EnumDef *NameMap_GetEnum(zend_class_entry *ce);
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// Add this descriptor object to the global list of descriptors that will be
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// kept alive for the duration of the request but destroyed when the request
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// is ending.
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void Descriptors_Add(zend_object *desc);
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// We need our own assert() because PHP takes control of NDEBUG in its headers.
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#ifdef PBPHP_ENABLE_ASSERTS
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#define PBPHP_ASSERT(x) \
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do { \
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if (!(x)) { \
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fprintf(stderr, "Assertion failure at %s:%d %s", __FILE__, __LINE__, \
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#x); \
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abort(); \
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} \
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} while (false)
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#else
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#define PBPHP_ASSERT(x) \
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do { \
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} while (false && (x))
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#endif
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#endif // PHP_PROTOBUF_H_
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