mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
272 lines
8.1 KiB
C++
272 lines
8.1 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2020 Telegram Systems LLP
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*/
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#pragma once
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#include "common/refcnt.hpp"
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#include "common/refint.h"
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#include "vm/stack.hpp"
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namespace fift {
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using td::Ref;
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struct IntCtx;
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/*
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*
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* FIFT CONTINUATIONS
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*
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*/
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class FiftCont : public td::CntObject {
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public:
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FiftCont() = default;
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virtual ~FiftCont() override = default;
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virtual Ref<FiftCont> run_tail(IntCtx& ctx) const = 0;
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virtual Ref<FiftCont> run_modify(IntCtx& ctx) {
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return run_tail(ctx);
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}
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virtual Ref<FiftCont> handle_tail(IntCtx& ctx) const {
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return {};
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}
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virtual Ref<FiftCont> handle_modify(IntCtx& ctx) {
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return handle_tail(ctx);
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}
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virtual Ref<FiftCont> up() const {
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return {};
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}
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virtual bool is_list() const {
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return false;
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}
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virtual long long list_size() const {
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return -1;
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}
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virtual const Ref<FiftCont>* get_list() const {
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return nullptr;
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}
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virtual bool is_literal() const {
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return false;
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}
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virtual int literal_count() const {
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return -1;
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}
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virtual std::vector<vm::StackEntry> get_literals() const {
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return {};
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}
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std::string get_dict_name(const IntCtx& ctx) const;
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bool print_dict_name(std::ostream& os, const IntCtx& ctx) const;
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bool print_dummy_name(std::ostream& os, const IntCtx& ctx) const;
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virtual bool print_name(std::ostream& os, const IntCtx& ctx) const;
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virtual bool dump(std::ostream& os, const IntCtx& ctx) const;
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Ref<FiftCont> self() const {
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return Ref<FiftCont>{this};
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}
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};
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class QuitCont : public FiftCont {
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int exit_code;
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public:
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QuitCont(int _exit_code = -1) : exit_code(_exit_code) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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};
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class SeqCont : public FiftCont {
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Ref<FiftCont> first, second;
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public:
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SeqCont(Ref<FiftCont> _first, Ref<FiftCont> _second) : first(std::move(_first)), second(std::move(_second)) {
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}
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static Ref<FiftCont> seq(Ref<FiftCont> _first, Ref<FiftCont> _second) {
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return _second.is_null() ? std::move(_first) : td::make_ref<SeqCont>(std::move(_first), std::move(_second));
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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Ref<FiftCont> up() const override {
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return second;
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}
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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bool dump(std::ostream& os, const IntCtx& ctx) const override;
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};
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class TimesCont : public FiftCont {
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Ref<FiftCont> body, after;
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int count;
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public:
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TimesCont(Ref<FiftCont> _body, Ref<FiftCont> _after, int _count)
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: body(std::move(_body)), after(std::move(_after)), count(_count) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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Ref<FiftCont> up() const override {
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return after;
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}
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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bool dump(std::ostream& os, const IntCtx& ctx) const override;
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};
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class UntilCont : public FiftCont {
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Ref<FiftCont> body, after;
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public:
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UntilCont(Ref<FiftCont> _body, Ref<FiftCont> _after) : body(std::move(_body)), after(std::move(_after)) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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bool dump(std::ostream& os, const IntCtx& ctx) const override;
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};
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class WhileCont : public FiftCont {
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Ref<FiftCont> cond, body, after;
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bool stage;
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public:
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WhileCont(Ref<FiftCont> _cond, Ref<FiftCont> _body, Ref<FiftCont> _after, bool _stage = false)
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: cond(std::move(_cond)), body(std::move(_body)), after(std::move(_after)), stage(_stage) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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Ref<FiftCont> up() const override {
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return after;
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}
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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bool dump(std::ostream& os, const IntCtx& ctx) const override;
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};
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class LoopCont : public FiftCont {
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Ref<FiftCont> func, after;
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int state;
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public:
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LoopCont(Ref<FiftCont> _func, Ref<FiftCont> _after, int _state = 0)
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: func(std::move(_func)), after(std::move(_after)), state(_state) {
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}
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LoopCont(const LoopCont&) = default;
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virtual bool init(IntCtx& ctx) {
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return true;
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}
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virtual bool pre_exec(IntCtx& ctx) {
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return true;
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}
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virtual bool post_exec(IntCtx& ctx) {
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return true;
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}
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virtual bool finalize(IntCtx& ctx) {
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return true;
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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Ref<FiftCont> up() const override {
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return after;
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}
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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};
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class GenericLitCont : public FiftCont {
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public:
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bool is_literal() const override {
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return true;
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}
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std::vector<vm::StackEntry> get_literals() const override = 0;
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bool print_name(std::ostream& os, const IntCtx& ctx) const override;
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};
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class SmallIntLitCont : public GenericLitCont {
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long long value_;
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public:
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SmallIntLitCont(long long value) : value_(value) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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std::vector<vm::StackEntry> get_literals() const override;
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static Ref<FiftCont> literal(long long int_value) {
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return td::make_ref<SmallIntLitCont>(int_value);
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}
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};
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class IntLitCont : public GenericLitCont {
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td::RefInt256 value_;
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public:
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IntLitCont(td::RefInt256 value) : value_(std::move(value)) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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std::vector<vm::StackEntry> get_literals() const override {
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return {vm::StackEntry(value_)};
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}
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static Ref<FiftCont> literal(td::RefInt256 int_value);
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static Ref<FiftCont> literal(long long int_value) {
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return SmallIntLitCont::literal(int_value);
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}
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};
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class LitCont : public GenericLitCont {
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vm::StackEntry value_;
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public:
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LitCont(const vm::StackEntry& value) : value_(value) {
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}
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LitCont(vm::StackEntry&& value) : value_(std::move(value)) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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std::vector<vm::StackEntry> get_literals() const override {
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return {value_};
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}
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static Ref<FiftCont> literal(vm::StackEntry value);
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static Ref<FiftCont> literal(td::RefInt256 int_value) {
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return IntLitCont::literal(std::move(int_value));
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}
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static Ref<FiftCont> literal(long long int_value) {
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return SmallIntLitCont::literal(int_value);
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}
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};
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class MultiLitCont : public GenericLitCont {
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std::vector<vm::StackEntry> values_;
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public:
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MultiLitCont(const std::vector<vm::StackEntry>& values) : values_(values) {
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}
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MultiLitCont(std::vector<vm::StackEntry>&& values) : values_(std::move(values)) {
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}
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MultiLitCont(std::initializer_list<vm::StackEntry> value_list) : values_(value_list) {
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}
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Ref<FiftCont> run_tail(IntCtx& ctx) const override;
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Ref<FiftCont> run_modify(IntCtx& ctx) override;
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std::vector<vm::StackEntry> get_literals() const override {
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return values_;
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}
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MultiLitCont& push_back(vm::StackEntry new_literal);
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vm::StackEntry at(int idx) const;
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};
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class InterpretCont : public FiftCont {
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public:
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InterpretCont() = default;
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Ref<FiftCont> run_tail(IntCtx&) const override; // text interpreter, defined in words.cpp
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bool print_name(std::ostream& os, const IntCtx& ctx) const override {
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os << "<text interpreter continuation>";
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return true;
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}
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};
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} // namespace fift
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