79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#ifndef LIBFURVM
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#include "furvm/detail/serialization.hpp"
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#include "furvm/furvm.hpp"
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#include <array>
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#include <cstddef>
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#include <fstream>
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#include <iostream>
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#include <memory>
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#include <sstream>
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static void print_thing(const furvm::thing<furvm::thing_allocator>& thing) {
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switch (thing.type()->t) {
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case furvm::type_t::Primitive: {
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std::cout << thing.integer();
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} break;
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case furvm::type_t::Array: {
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std::cout << "{ ";
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for (furvm::long_t i = 0; i < thing.size(); ++i) {
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if (i > 0) std::cout << ", ";
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print_thing(thing.at(i));
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}
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std::cout << " }\n";
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} break;
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default: std::cerr << "{Something went wrong}";
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}
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}
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int main(int argc, char** argv) {
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auto context = std::make_shared<furvm::context>();
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#if 0 // NOLINT
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if (argc != 2) {
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std::cerr << "Usage: " << argv[0] << " <mod.fmod>\n";
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return 1;
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}
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std::ifstream file(argv[1]);
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if (!file.is_open()) {
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std::cerr << "Failed to open " << argv[1] << '\n';
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return 1;
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}
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furvm::mod_h mod = context->emplace("main", std::move(furvm::mod::load(file)));
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#else
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static const furvm::byte s_bytecode[] = {
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static_cast<furvm::byte>(furvm::instruction_t::Array),
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0,
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0,
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0,
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0,
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static_cast<furvm::byte>(furvm::instruction_t::Reference),
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static_cast<furvm::byte>(furvm::instruction_t::Call),
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1,
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0,
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static_cast<furvm::byte>(furvm::instruction_t::Return),
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};
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furvm::mod_h mod = context->emplace("main", s_bytecode, s_bytecode + sizeof(s_bytecode));
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mod->emplace_type(std::make_shared<furvm::type>(context->at("core")->type_at(2), 10)).dispatch();
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auto mainFunc = mod->emplace_function_named("main", 0, 0);
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mod->emplace_function(1, "print").dispatch();
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#endif
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mod->set_native_function("print", [](furvm::executor& executor) { print_thing(*executor.load_thing(0)); });
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furvm::executor_h executor = context->emplace_executor(context);
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executor->push_frame(mod, *mainFunc);
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while ((executor->flags() & furvm::executor_flags::Done) != furvm::executor_flags::Done) {
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executor->step();
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}
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return 0;
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}
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#endif // LUBFURVM
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