29:I[49813,["/_next/static/chunks/3z--bwudlglfp.js","/_next/static/chunks/2u04xn-9yg2co.js","/_next/static/chunks/1b5-8ftwqgmtb.js","/_next/static/chunks/3nqo6bdos11l6.js","/_next/static/chunks/0fz0mlrjifmq7.js","/_next/static/chunks/2l43yyot7shmw.js","/_next/static/chunks/29v1ttach42xh.js","/_next/static/chunks/2ziic7alkvd8r.js","/_next/static/chunks/1hplpmn3-d0tx.js"],"CodeWorkspace"] 2a:T1385,/** * Copyright (c) 2011-2026 libbitcoin developers * * This file is part of libbitcoin. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #ifndef LIBBITCOIN_SYSTEM_MACHINE_STACK_HPP #define LIBBITCOIN_SYSTEM_MACHINE_STACK_HPP #include #include #include #include #include #include namespace libbitcoin { namespace system { namespace machine { /// Primary and alternate stacks have variant elements. enum stack_type{ bool_, int64_, pchunk_ }; typedef std::variant stack_variant; /// Primary stack options. typedef std::list linked_stack; typedef std::vector contiguous_stack; /// Alternate stack requires no stack abstraction. typedef std::vector alternate_stack; /// Possibly space-efficient bit vector, optimized by std lib. typedef std::vector condition_stack; /// Stack queries are not guarded against stack empty, caller must guard. template class stack { public: /// Stack is copied in program construct. DEFAULT_COPY_MOVE_DESTRUCT(stack); /// Construct. INLINE stack() NOEXCEPT; INLINE stack(Container&& container) NOEXCEPT; /// Pure stack abstraction. virtual INLINE const stack_variant& top() const NOEXCEPT; virtual INLINE stack_variant pop() NOEXCEPT; virtual INLINE void drop() NOEXCEPT; virtual INLINE bool empty() const NOEXCEPT; virtual INLINE size_t size() const NOEXCEPT; virtual INLINE void push(data_chunk&& value) NOEXCEPT; virtual INLINE void push(stack_variant&& value) NOEXCEPT; virtual INLINE void push(const stack_variant& value) NOEXCEPT; virtual INLINE void emplace_boolean(bool value) NOEXCEPT; virtual INLINE void emplace_integer(int64_t value) NOEXCEPT; virtual INLINE void emplace_chunk(const chunk_xptr& value) NOEXCEPT; /// Positional (stack cheats). virtual INLINE void erase(size_t index) NOEXCEPT; virtual INLINE void swap(size_t left_index, size_t right_index) NOEXCEPT; virtual INLINE const stack_variant& peek(size_t index) const NOEXCEPT; virtual INLINE bool peek_signed4(int32_t& value) const NOEXCEPT; virtual INLINE bool peek_signed5(int64_t& value) const NOEXCEPT; /// Variant data conversions. /// ----------------------------------------------------------------------- virtual bool peek_bool() const NOEXCEPT; virtual bool peek_strict_bool() const NOEXCEPT; virtual bool peek_minimal_bool(bool& value) const NOEXCEPT; virtual size_t peek_size() const NOEXCEPT; virtual size_t peek_nonempty() const NOEXCEPT; virtual chunk_xptr peek_chunk() const NOEXCEPT; static bool equal_chunks(const stack_variant& left, const stack_variant& right) NOEXCEPT; private: template = true, if_signed_integral_integer = true> bool peek_signed(Integer& value) const NOEXCEPT; static constexpr auto linked_ = is_same_type; static constexpr auto vector_ = is_same_type; static_assert(linked_ || vector_, "unsupported stack container"); Container container_; // Tethering // ------------------------------------------------------------------------- // Hash results and int/bool->chunks are saved using a shared_ptr vector. // The tether is not garbage-collected (until destruct) as this is a space- // time performance tradeoff. The maximum number of constructable chunks is // bound by the script size limit. A standard in/out script pair tethers // only one chunk, the computed hash. Mutable as this is updated by read. // ------------------------------------------------------------------------- mutable tether tether_; }; } // namespace machine } // namespace system } // namespace libbitcoin #define TEMPLATE template #define CLASS stack BC_PUSH_WARNING(NO_THROW_IN_NOEXCEPT) #include BC_POP_WARNING() #include #undef CLASS #undef TEMPLATE #endif 12:["$","$L29",null,{"project":{"id":"cmuidb72x000001s1932ifphv","owner":"libbitcoin","repo":"libbitcoin-system","displayName":"libbitcoin/libbitcoin-system","defaultBranch":"master"},"commit":{"sha":"4f070c1f2115f81ad59206694fd75c772ddc1319","message":"Replace ecdsa capture parameter with unbatched verification method.","authorLogin":"evoskuil","authorName":"Eric 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