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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
#ifndef INTERPRETER_INTERPRETER_H_INCLUDED
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#define INTERPRETER_INTERPRETER_H_INCLUDED
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#include <map>
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#include <memory>
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#include <stack>
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#include <stdexcept>
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#include <utility>
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#include <components/misc/strings/format.hpp>
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#include "opcodes.hpp"
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#include "program.hpp"
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#include "runtime.hpp"
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#include "types.hpp"
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namespace Interpreter
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{
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struct Program;
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class Interpreter
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{
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std::stack<Runtime> mCallstack;
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bool mRunning = false;
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Runtime mRuntime;
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std::map<int, std::unique_ptr<Opcode1>> mSegment0;
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std::map<int, std::unique_ptr<Opcode1>> mSegment2;
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std::map<int, std::unique_ptr<Opcode1>> mSegment3;
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std::map<int, std::unique_ptr<Opcode0>> mSegment5;
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void execute(Type_Code code);
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void begin();
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void end();
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template <typename T, typename... Args>
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void installSegment(auto& segment, std::string_view name, int code, Args&&... args)
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{
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if (segment.find(code) != segment.end())
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throw std::invalid_argument(Misc::StringUtils::format(
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"Duplicated interpreter instruction code in segment %s: 0x%x", name, code));
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segment.emplace(code, std::make_unique<T>(std::forward<Args>(args)...));
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}
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public:
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Interpreter() = default;
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Interpreter(const Interpreter&) = delete;
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Interpreter& operator=(const Interpreter&) = delete;
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template <typename T, typename... TArgs>
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void installSegment0(int code, TArgs&&... args)
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{
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installSegment<T>(mSegment0, "0", code, std::forward<TArgs>(args)...);
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}
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template <typename T, typename... TArgs>
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void installSegment2(int code, TArgs&&... args)
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{
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installSegment<T>(mSegment2, "2", code, std::forward<TArgs>(args)...);
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}
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template <typename T, typename... TArgs>
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void installSegment3(int code, TArgs&&... args)
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{
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installSegment<T>(mSegment3, "3", code, std::forward<TArgs>(args)...);
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}
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template <typename T, typename... TArgs>
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void installSegment5(int code, TArgs&&... args)
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{
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installSegment<T>(mSegment5, "5", code, std::forward<TArgs>(args)...);
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}
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void run(const Program& program, Context& context);
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};
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}
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#endif
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