70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
#pragma once
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#include <Ast/functionParameters.hpp>
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#include <context_forward.hpp>
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#include <atomic>
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#include <functional>
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#include <memory>
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#include <vector>
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namespace Fig
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{
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class Object;
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class Function
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{
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public:
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std::size_t id;
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Ast::FunctionParameters paras;
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TypeInfo retType;
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Ast::BlockStatement body;
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bool isBuiltin = false;
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std::function<Object(const std::vector<Object> &)> builtin;
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int builtinParamCount = -1;
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std::shared_ptr<Context> closureContext;
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// ===== Constructors =====
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Function() :
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id(nextId()) {}
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Function(Ast::FunctionParameters _paras, TypeInfo _retType, Ast::BlockStatement _body, ContextPtr _closureContext) :
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id(nextId()), // 分配唯一 ID
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paras(std::move(_paras)),
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retType(std::move(_retType)),
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body(std::move(_body)),
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closureContext(std::move(_closureContext))
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{
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}
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Function(std::function<Object(const std::vector<Object> &)> fn, int argc) :
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id(nextId()), isBuiltin(true), builtin(std::move(fn)), builtinParamCount(argc)
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{
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}
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// ===== Copy / Move =====
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Function(const Function &other) = default;
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Function(Function &&) noexcept = default;
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Function &operator=(const Function &) = default;
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Function &operator=(Function &&) noexcept = default;
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// ===== Comparison =====
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bool operator==(const Function &other) const noexcept
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{
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return id == other.id;
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}
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bool operator!=(const Function &other) const noexcept
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{
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return !(*this == other);
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}
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private:
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static std::size_t nextId()
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{
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static std::atomic<std::size_t> counter{1};
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return counter++;
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}
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};
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} // namespace Fig
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