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TypePool and proto conversion utilities
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2024 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. | ||
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| #include "common/type_pool.h" | ||
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| #include "absl/strings/string_view.h" | ||
| #include "absl/types/span.h" | ||
| #include "common/type.h" | ||
| #include "google/protobuf/descriptor.h" | ||
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| namespace cel { | ||
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| ListType TypePool::MakeListType(const Type& element) { | ||
| return list_type_pool_.InternListType(element); | ||
| } | ||
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| MapType TypePool::MakeMapType(const Type& key, const Type& value) { | ||
| return map_type_pool_.InternMapType(key, value); | ||
| } | ||
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| StructType TypePool::MakeStructType(absl::string_view name) { | ||
| if (descriptor_pool_ != nullptr) { | ||
| const google::protobuf::Descriptor* descriptor = | ||
| descriptor_pool_->FindMessageTypeByName(name); | ||
| if (descriptor != nullptr) { | ||
| return MessageType(descriptor); | ||
| } | ||
| } | ||
| return common_internal::MakeBasicStructType(string_pool_->InternString(name)); | ||
| } | ||
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| FunctionType TypePool::MakeFunctionType(const Type& result, | ||
| absl::Span<const Type> args) { | ||
| return function_type_pool_.InternFunctionType(result, args); | ||
| } | ||
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| OpaqueType TypePool::MakeOpaqueType(absl::string_view name, | ||
| absl::Span<const Type> params) { | ||
| return opaque_type_pool_.InternOpaqueType(string_pool_->InternString(name), | ||
| params); | ||
| } | ||
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| TypeParamType TypePool::MakeTypeParamType(absl::string_view name) { | ||
| return TypeParamType(string_pool_->InternString(name)); | ||
| } | ||
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| TypeType TypePool::MakeTypeType(const Type& type) { | ||
| return type_type_pool_.InternTypeType(type); | ||
| } | ||
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| } // namespace cel |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,115 @@ | ||
| // Copyright 2024 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. | ||
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| #ifndef THIRD_PARTY_CEL_CPP_COMMON_TYPE_POOL_H_ | ||
| #define THIRD_PARTY_CEL_CPP_COMMON_TYPE_POOL_H_ | ||
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| #include <memory> | ||
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| #include "absl/base/attributes.h" | ||
| #include "absl/base/nullability.h" | ||
| #include "absl/strings/string_view.h" | ||
| #include "absl/types/span.h" | ||
| #include "common/arena_string.h" | ||
| #include "common/arena_string_pool.h" | ||
| #include "common/type.h" | ||
| #include "common/types/function_type_pool.h" | ||
| #include "common/types/list_type_pool.h" | ||
| #include "common/types/map_type_pool.h" | ||
| #include "common/types/opaque_type_pool.h" | ||
| #include "common/types/type_type_pool.h" | ||
| #include "google/protobuf/arena.h" | ||
| #include "google/protobuf/descriptor.h" | ||
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| namespace cel { | ||
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| class TypePool; | ||
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| absl::Nonnull<std::unique_ptr<TypePool>> NewTypePool( | ||
| absl::Nonnull<google::protobuf::Arena*> arena ABSL_ATTRIBUTE_LIFETIME_BOUND, | ||
| absl::Nonnull<ArenaStringPool*> string_pool ABSL_ATTRIBUTE_LIFETIME_BOUND, | ||
| absl::Nullable<const google::protobuf::DescriptorPool*> descriptor_pool | ||
| ABSL_ATTRIBUTE_LIFETIME_BOUND); | ||
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| class TypePool final { | ||
| public: | ||
| TypePool(const TypePool&) = delete; | ||
| TypePool(TypePool&&) = delete; | ||
| TypePool& operator=(const TypePool&) = delete; | ||
| TypePool& operator=(TypePool&&) = delete; | ||
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| ListType MakeListType(const Type& element); | ||
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| MapType MakeMapType(const Type& key, const Type& value); | ||
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| StructType MakeStructType(absl::string_view name); | ||
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| StructType MakeStructType(ArenaString) = delete; | ||
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| FunctionType MakeFunctionType(const Type& result, | ||
| absl::Span<const Type> args); | ||
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| OpaqueType MakeOpaqueType(absl::string_view name, | ||
| absl::Span<const Type> params); | ||
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| OpaqueType MakeOpaqueType(ArenaString, absl::Span<const Type>) = delete; | ||
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| OptionalType MakeOptionalType(const Type& param) { | ||
| return static_cast<OptionalType>( | ||
| MakeOpaqueType(OptionalType::kName, absl::MakeConstSpan(¶m, 1))); | ||
| } | ||
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| TypeParamType MakeTypeParamType(absl::string_view name); | ||
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| TypeParamType MakeTypeParamType(ArenaString) = delete; | ||
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| TypeType MakeTypeType(const Type& type); | ||
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| private: | ||
| friend absl::Nonnull<std::unique_ptr<TypePool>> NewTypePool( | ||
| absl::Nonnull<google::protobuf::Arena*>, absl::Nonnull<ArenaStringPool*>, | ||
| absl::Nullable<const google::protobuf::DescriptorPool*>); | ||
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| TypePool(absl::Nonnull<google::protobuf::Arena*> arena, | ||
| absl::Nonnull<ArenaStringPool*> string_pool, | ||
| absl::Nullable<const google::protobuf::DescriptorPool*> descriptor_pool) | ||
| : string_pool_(string_pool), | ||
| descriptor_pool_(descriptor_pool), | ||
| function_type_pool_(arena), | ||
| list_type_pool_(arena), | ||
| map_type_pool_(arena), | ||
| opaque_type_pool_(arena), | ||
| type_type_pool_(arena) {} | ||
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| absl::Nonnull<ArenaStringPool*> const string_pool_; | ||
| absl::Nullable<const google::protobuf::DescriptorPool*> const descriptor_pool_; | ||
| common_internal::FunctionTypePool function_type_pool_; | ||
| common_internal::ListTypePool list_type_pool_; | ||
| common_internal::MapTypePool map_type_pool_; | ||
| common_internal::OpaqueTypePool opaque_type_pool_; | ||
| common_internal::TypeTypePool type_type_pool_; | ||
| }; | ||
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| inline absl::Nonnull<std::unique_ptr<TypePool>> NewTypePool( | ||
| absl::Nonnull<google::protobuf::Arena*> arena ABSL_ATTRIBUTE_LIFETIME_BOUND, | ||
| absl::Nonnull<ArenaStringPool*> string_pool ABSL_ATTRIBUTE_LIFETIME_BOUND, | ||
| absl::Nullable<const google::protobuf::DescriptorPool*> descriptor_pool | ||
| ABSL_ATTRIBUTE_LIFETIME_BOUND) { | ||
| return std::unique_ptr<TypePool>( | ||
| new TypePool(arena, string_pool, descriptor_pool)); | ||
| } | ||
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| } // namespace cel | ||
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| #endif // THIRD_PARTY_CEL_CPP_COMMON_TYPE_POOL_H_ |
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