forked from cel-expr/cel-cpp
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathregex_precompilation.cc
More file actions
65 lines (53 loc) · 2.18 KB
/
Copy pathregex_precompilation.cc
File metadata and controls
65 lines (53 loc) · 2.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "runtime/regex_precompilation.h"
#include "absl/base/macros.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "common/native_type.h"
#include "eval/compiler/regex_precompilation_optimization.h"
#include "internal/casts.h"
#include "internal/status_macros.h"
#include "runtime/internal/runtime_friend_access.h"
#include "runtime/internal/runtime_impl.h"
#include "runtime/runtime.h"
#include "runtime/runtime_builder.h"
namespace cel::extensions {
namespace {
using ::cel::internal::down_cast;
using ::cel::runtime_internal::RuntimeFriendAccess;
using ::cel::runtime_internal::RuntimeImpl;
using ::google::api::expr::runtime::CreateRegexPrecompilationExtension;
absl::StatusOr<RuntimeImpl*> RuntimeImplFromBuilder(RuntimeBuilder& builder) {
Runtime& runtime = RuntimeFriendAccess::GetMutableRuntime(builder);
if (RuntimeFriendAccess::RuntimeTypeId(runtime) !=
NativeTypeId::For<RuntimeImpl>()) {
return absl::UnimplementedError(
"regex precompilation only supported on the default cel::Runtime "
"implementation.");
}
RuntimeImpl& runtime_impl = down_cast<RuntimeImpl&>(runtime);
return &runtime_impl;
}
} // namespace
absl::Status EnableRegexPrecompilation(RuntimeBuilder& builder) {
CEL_ASSIGN_OR_RETURN(RuntimeImpl * runtime_impl,
RuntimeImplFromBuilder(builder));
ABSL_ASSERT(runtime_impl != nullptr);
runtime_impl->expr_builder().AddProgramOptimizer(
CreateRegexPrecompilationExtension(
runtime_impl->expr_builder().options().regex_max_program_size));
return absl::OkStatus();
}
} // namespace cel::extensions