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# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//base/allocator/partition_allocator/partition_alloc.gni")
# Chromium-specific asserts. External embedders _may_ elect to use these
# features even without PA-E.
if (!use_partition_alloc_as_malloc) {
# In theory, BackupRefPtr will work just fine without
# PartitionAlloc-Everywhere, but its scope would be limited to partitions
# that are invoked explicitly (not via malloc). These are only Blink
# partition, where we currently don't even use raw_ptr<T>.
assert(!enable_backup_ref_ptr_support,
"Chromium does not use BRP without PA-E")
# Pointer compression works only if all pointers are guaranteed to be
# allocated by PA (in one of its core pools, to be precise). In theory,
# this could be useful with partitions that are invoked explicitly. In
# practice, the pointers we have in mind for compression (scoped_refptr<>,
# unique_ptr<>) require PA-E.
assert(!enable_pointer_compression_support,
"Pointer compressions likely doesn't make sense without PA-E")
}
assert(use_allocator_shim || !use_partition_alloc_as_malloc,
"PartitionAlloc-Everywhere requires the allocator shim")
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