wehub-resource-sync
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <functional>
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#include <optional>
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#include <ostream>
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#include <vector>
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#include "paddle/ap/include/adt/adt.h"
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#include "paddle/ap/include/axpr/atomic.h"
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namespace ap::axpr {
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struct SExpr;
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// (outer_func (inner_func [args]))
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template <typename Expr>
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struct SListImpl {
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std::vector<Expr> children;
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bool operator==(const SListImpl& other) const {
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return this->children == other.children;
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}
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};
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template <typename Expr>
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ADT_DEFINE_RC(SList, const SListImpl<Expr>);
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// s expression
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// expr := aexpr | ([expr])
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using SExprBase = std::variant<Atomic<SExpr>, SList<SExpr>>;
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struct SExpr : public SExprBase {
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using SExprBase::SExprBase;
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ADT_DEFINE_VARIANT_METHODS(SExprBase);
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std::string ToSExpression() const;
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};
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} // namespace ap::axpr
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namespace std {
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inline std::ostream& operator<<(std::ostream& os,
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const ap::axpr::SExpr& core_expr) {
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return os << core_expr.ToSExpression();
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}
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} // namespace std
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