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refactor(furvm): refactor mod

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Refs: #12
This commit is contained in:
Aleksander Krajewski
2026-06-16 12:04:02 +02:00
parent b35a274e81
commit 43dac1ec6d
6 changed files with 90 additions and 58 deletions
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furvm/include/furvm/context.hpp
+26 -32
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@@ -6,7 +6,10 @@
#include "furvm/module.hpp"
#include <queue>
#include <string>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include <vector>
namespace furvm {
@@ -33,73 +36,64 @@ public:
context& operator=(const context&) = delete;
public:
/**
* @brief Adds a module to this context.
* @brief Emplaces a new module in this context.
*
* @param args Arguments to forward to module's constructor.
* @return An index to the emplaced module.
*/
template <typename... Args, typename = std::enable_if_t<std::is_constructible_v<mod, module_handle, Args...>>>
constexpr const auto& emplace(Args&&... args) {
module_handle id = static_cast<module_handle>(m_modules.size());
return m_modules.emplace_back(std::make_unique<mod>(id, std::forward<Args>(args)...));
template <typename... Args, typename = std::enable_if_t<std::is_constructible_v<mod, Args...>>>
auto& emplace_module(Args&&... args) {
mod_p mod = std::make_shared<class mod>(std::forward<Args>(args)...);
return m_modules.emplace(mod->name(), std::move(mod)).first->second;
}
/**
* @brief Erases a module from this context.
*
* @param index Index to the module.
* @return Old value.
* @param name Name of the module to erase.
* @return A shared pointer to the erased module.
*/
mod_p erase(module_handle index) {
if (index >= m_modules.size()) return nullptr;
return std::move(m_modules[index]);
template <typename Name>
mod_p erase_module(Name&& name) {
return std::move(m_modules.erase(std::forward<Name>(name))->second);
}
/**
* @brief Returns a module of this context.
*
* @param index Position of the module.
* @param name Name of the module.
* @return The module.
*/
constexpr mod_p& operator[](module_handle index) { return m_modules[index]; }
template <typename Name>
constexpr mod_p& module_at(Name&& name) {
return m_modules.at(std::forward<Name>(name));
}
/**
* @brief Returns a module of this context.
*
* @param index Position of the module.
* @param name Name of the module.
* @return The module.
*/
constexpr const mod_p& operator[](module_handle index) const { return m_modules[index]; }
/**
* @brief Returns a module of this context.
*
* @param index Position of the module.
* @return The module.
*/
constexpr mod_p& at(module_handle index) { return m_modules.at(index); }
/**
* @brief Returns a module of this context.
*
* @param index Position of the module.
* @return The module.
*/
constexpr const mod_p& at(module_handle index) const { return m_modules.at(index); }
template <typename Name>
constexpr const mod_p& module_at(Name&& name) const {
return m_modules.at(std::forward<Name>(name));
}
/**
* @brief Returns how many does this context have modules.
*
* @return The module count.
*/
constexpr size_t size() const { return m_modules.size(); }
constexpr size_t module_count() const { return m_modules.size(); }
public:
/**
* @brief Removes unreferenced things from the thing list.
*/
void collect();
private:
std::vector<mod_p> m_modules;
std::unordered_map<std::string, mod_p> m_modules;
std::vector<thing_p> m_things;
std::vector<executor_p> m_executors;
furvm/include/furvm/function.hpp
+11 -8
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@@ -6,6 +6,8 @@
#include <functional>
#include <stdexcept>
#include <string>
#include <utility>
namespace furvm {
@@ -46,7 +48,7 @@ public:
*/
function(funkcja, function_handle id, const native_function& native, const mod_p& mod);
~function() = default;
~function();
/**
* @brief Move constructor.
@@ -120,13 +122,13 @@ public:
}
/**
* @brief Returns a module of imported function.
* @brief Returns a name of the function's module.
*
* @return A handle to the module.
* @return The name.
*/
module_handle imported_module() const {
const std::string& imported_module() const {
if (m_type != function_t::Import) throw std::runtime_error("function type mismatch");
return m_value.imp.mod;
return m_value.imp.moduleName;
}
/**
@@ -147,7 +149,7 @@ private:
std::size_t position = 0;
native_function native;
struct {
module_handle mod;
std::string moduleName;
function_handle function;
} imp;
@@ -159,8 +161,9 @@ private:
value(const native_function& native)
: native(native) {}
value(module_handle mod, function_handle function)
: imp({ mod, function }) {}
template <typename Name>
value(Name&& moduleName, function_handle function)
: imp({ std::forward<Name>(moduleName), function }) {}
~value() {}
furvm/include/furvm/fwd.hpp
-5
View File
@@ -93,11 +93,6 @@ class mod;
*/
using mod_p = std::shared_ptr<mod>;
/**
* @brief Furvm module's index.
*/
using module_handle = std::uint32_t;
// thing.hpp
/**
furvm/include/furvm/module.hpp
+34 -7
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@@ -3,6 +3,7 @@
#include "furvm/fwd.hpp"
#include <string>
#include <vector>
namespace furvm {
@@ -16,12 +17,24 @@ public:
/**
* @brief Construct a new module.
*
* @param id Id of this module.
* @param name Name of this module.
* @param args Arguments to forward to bytecode's constructor.
*/
template <typename Name,
typename... Args,
typename = std::enable_if_t<std::is_constructible_v<bytecode_t, Args...>>>
mod(Name&& name, Args&&... args)
: m_name(std::forward<Name>(name)), m_bytecode(std::forward<Args>(args)...) {}
/**
* @brief Construct a new module.
*
* @param name C-string name of this module.
* @param args Arguments to forward to bytecode's constructor.
*/
template <typename... Args, typename = std::enable_if_t<std::is_constructible_v<bytecode_t, Args...>>>
mod(module_handle id, Args&&... args)
: m_id(id), m_bytecode(std::forward<Args>(args)...) {}
mod(const char* name, Args&&... args)
: m_name(name), m_bytecode(std::forward<Args>(args)...) {}
~mod() = default;
@@ -39,11 +52,11 @@ public:
mod& operator=(const mod&) = delete;
public:
/**
* @brief Returns an id of this module.
* @brief Returns this module's name.
*
* @return The id.
* @return The name.
*/
constexpr module_handle id() const { return m_id; }
constexpr const std::string& name() const { return m_name; }
/**
* @brief Returns a byte from bytecode of this module.
@@ -52,6 +65,20 @@ public:
* @return The byte.
*/
constexpr byte byte(std::size_t offset) const { return m_bytecode.at(offset); }
/**
* @brief Returns a reference to the module's bytecode.
*
* @return The reference to bytecode.
*/
constexpr bytecode_t& bytecode() { return m_bytecode; }
/**
* @brief Returns a const reference to the module's bytecode.
*
* @return The reference to bytecode.
*/
constexpr const bytecode_t& bytecode() const { return m_bytecode; }
public:
/**
* @brief Returns a function from this module.
@@ -61,7 +88,7 @@ public:
*/
constexpr const function_p& function_at(function_handle id) const { return m_functions.at(id); }
private:
module_handle m_id;
std::string m_name;
bytecode_t m_bytecode;
std::vector<function_p> m_functions;
};
furvm/src/function.cpp
+15 -2
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@@ -1,5 +1,7 @@
#include "furvm/function.hpp"
#include <utility>
namespace furvm {
function::function(funkcja, function_handle id, std::size_t position, const mod_p& mod)
@@ -8,6 +10,17 @@ function::function(funkcja, function_handle id, std::size_t position, const mod_
function::function(funkcja, function_handle id, const native_function& native, const mod_p& mod)
: m_id(id), m_type(function_t::Native), m_module(mod), m_value(native) {}
function::~function() {
switch (m_type) {
case function_t::Normal:
case function_t::Native:
default: break;
case function_t::Import: {
m_value.imp.moduleName.~basic_string();
} break;
}
}
function::function(function&& other) noexcept
: m_id(other.m_id), m_type(other.m_type), m_module(std::move(other.m_module)) {
switch (m_type) {
@@ -18,7 +31,7 @@ function::function(function&& other) noexcept
new (&m_value.native) native_function(std::move(other.m_value.native));
} break;
case function_t::Import: {
m_value.imp.mod = other.m_value.imp.mod;
m_value.imp.moduleName = std::move(other.m_value.imp.moduleName);
m_value.imp.function = other.m_value.imp.function;
} break;
}
@@ -39,7 +52,7 @@ function& function::operator=(function&& other) noexcept {
new (&m_value.native) native_function(std::move(other.m_value.native));
} break;
case function_t::Import: {
m_value.imp.mod = other.m_value.imp.mod;
m_value.imp.moduleName = std::move(other.m_value.imp.moduleName);
m_value.imp.function = other.m_value.imp.function;
} break;
}
furvm/src/main.cpp
+1 -1
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@@ -24,7 +24,7 @@ static constexpr std::array<furvm::byte, 8> s_bytecode = {
int main(void) {
auto context = std::make_shared<furvm::context>();
auto mainModule = context->emplace(s_bytecode.begin(), s_bytecode.end());
auto mainModule = context->emplace_module("main", s_bytecode.begin(), s_bytecode.end());
auto mainFunction = furvm::function::create(mainModule, 0);