elna/cli/cl.cpp

#include "elna/cli/cl.hpp"
#include "elna/backend/target.hpp"
#include "elna/source/semantic.hpp"
#include <iostream>

namespace elna::cli
{
    void print_error(const std::unique_ptr<source::error>& compile_error)
    {
        std::cerr << compile_error->path().string() << ":"
            << compile_error->line() << ':' << compile_error->column()
            << ": " << compile_error->what() << std::endl;
    }

    int compile(const std::filesystem::path& in_file, const std::filesystem::path& out_file)
    {
        try
        {
            source::result<source::lexer> lex_result = source::tokenize(in_file);

            if (lex_result.has_errors())
            {
                print_errors(lex_result.errors().cbegin(), lex_result.errors().cend());
                return 1;
            }
            source::parser parser{ std::move(lex_result.success()) };
            auto ast = parser.parse();
            if (ast == nullptr)
            {
                print_errors(parser.errors().cbegin(), parser.errors().cend());
                return 2;
            }
            auto global_scope = std::make_shared<source::symbol_table>();
            source::name_analysis_visitor(global_scope).visit(ast.get());
            source::type_analysis_visitor().visit(ast.get());
            source::allocator_visitor(global_scope).visit(ast.get());
            riscv::riscv32_elf(ast.get(), global_scope, out_file);
        }
        catch (std::ios_base::failure&)
        {
            return 3;
        }
        return 0;
    }
}