#ifndef wg_COMPILER_HPP
#define wg_COMPILER_HPP

#include <llvm/IR/LLVMContext.h>
#include <llvm/IR/IRBuilder.h>
#include <llvm/IR/Module.h>

#include "commons.hpp"
#include "Node.hpp"
#include "SymTable.hpp"
#include "Mod.hpp"

namespace wg
{
  WG_ERROR(compile_error);

  class Compiler
  {
  public:
    explicit Compiler(Mod& mod);
    virtual ~Compiler();

    void gen(std::filesystem::path obj);

    void execute(std::shared_ptr<Node> node);
    void imports(std::shared_ptr<Node> node);
    void scan(std::shared_ptr<Node> node);
    llvm::Value* compile(std::shared_ptr<Node> node);

  private:
    Mod& m_mod;
    std::unordered_map<std::string, std::unique_ptr<Mod>> m_imports;
    std::unique_ptr<llvm::IRBuilder<>> m_builder =
      std::make_unique<llvm::IRBuilder<>>(m_mod.context());
  };
}

#endif