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34 lines (29 loc) · 1.1 KB
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// Copyright 2026 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 "validator/ast_depth_validator.h"
#include "absl/strings/str_cat.h"
#include "validator/validator.h"
namespace cel {
Validation AstDepthValidator(int max_depth) {
return Validation([max_depth](ValidationContext& context) {
int height = context.navigable_ast().Root().height();
if (height > max_depth) {
context.ReportError(absl::StrCat("AST depth ", height,
" exceeds maximum of ", max_depth));
return false;
}
return true;
});
}
} // namespace cel