Squashed 'libs/protobuf/' content from commit fcd3b9a85

git-subtree-dir: libs/protobuf
git-subtree-split: fcd3b9a85ef36e46643dc30176cea1a7ad62e02b

php/ext/google/protobuf/arena.c

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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// 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 Inc. 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 THE COPYRIGHT
+// OWNER OR CONTRIBUTORS 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.
+
+#include <Zend/zend_API.h>
+
+#include "php-upb.h"
+
+// -----------------------------------------------------------------------------
+// Arena
+// -----------------------------------------------------------------------------
+
+typedef struct Arena {
+  zend_object std;
+  upb_Arena* arena;
+} Arena;
+
+zend_class_entry *Arena_class_entry;
+static zend_object_handlers Arena_object_handlers;
+
+// PHP Object Handlers /////////////////////////////////////////////////////////
+
+static zend_object* Arena_Create(zend_class_entry *class_type) {
+  Arena *intern = emalloc(sizeof(Arena));
+  zend_object_std_init(&intern->std, class_type);
+  intern->std.handlers = &Arena_object_handlers;
+  intern->arena = upb_Arena_New();
+  // Skip object_properties_init(), we don't allow derived classes.
+  return &intern->std;
+}
+
+static void Arena_Free(zend_object* obj) {
+  Arena* intern = (Arena*)obj;
+  upb_Arena_Free(intern->arena);
+  zend_object_std_dtor(&intern->std);
+}
+
+// C Functions from arena.h ////////////////////////////////////////////////////
+
+void Arena_Init(zval* val) {
+  ZVAL_OBJ(val, Arena_Create(Arena_class_entry));
+}
+
+upb_Arena *Arena_Get(zval *val) {
+  Arena *a = (Arena*)Z_OBJ_P(val);
+  return a->arena;
+}
+
+// -----------------------------------------------------------------------------
+// Module init.
+// -----------------------------------------------------------------------------
+
+// No public methods.
+static const zend_function_entry Arena_methods[] = {
+  ZEND_FE_END
+};
+
+void Arena_ModuleInit() {
+  zend_class_entry tmp_ce;
+
+  INIT_CLASS_ENTRY(tmp_ce, "Google\\Protobuf\\Internal\\Arena", Arena_methods);
+  Arena_class_entry = zend_register_internal_class(&tmp_ce);
+  Arena_class_entry->create_object = Arena_Create;
+  Arena_class_entry->ce_flags |= ZEND_ACC_FINAL;
+
+  memcpy(&Arena_object_handlers, &std_object_handlers,
+         sizeof(zend_object_handlers));
+  Arena_object_handlers.free_obj = Arena_Free;
+}