Class Generator

src/cmake_generator.cpp:490–649

}

struct Generator {
    Generator(const parser::Project &project, fs::path path) : project(project), path(std::move(path)) {
    }
    Generator(const Generator &) = delete;

    const parser::Project &project;
    fs::path path;
    std::stringstream ss;
    int indent = 0;

    Command cmd(const std::string &command, const std::string &post_comment = "") {
        if (command.empty())
            throw std::invalid_argument("command cannot be empty");
        if (command == "if") {
            indent++;
            return Command(ss, indent - 1, command, post_comment);
        } else if (command == "else" || command == "elseif") {
            return Command(ss, indent - 1, command, post_comment);
        } else if (command == "endif") {
            indent--;
        }
        return Command(ss, indent, command, post_comment);
    }

    CommandEndl comment(const std::string &comment) {
        ss << Command::indent(indent) << "# " << comment << '\n';
        return CommandEndl(ss);
    }

    void endl() {
        ss << '\n';
    }

    void inject_includes(const std::vector<std::string> &includes) {
        if (!includes.empty()) {
            for (const auto &file : includes) {
                if (!fs::exists(path / file)) {
                    throw std::runtime_error("Include not found: " + file);
                }
                cmd("include")(file);
            }
        }
    }

    void inject_cmake(const std::string &cmake) {
        if (!cmake.empty()) {
            if (cmake.back() == '\"') {
                throw std::runtime_error("Detected additional \" at the end of cmake block");
            }
            auto cmake_lf = tolf(cmake);
            while (!cmake_lf.empty() && cmake_lf.back() == '\n')
                cmake_lf.pop_back();
            bool did_indent = false;
            for (char ch : cmake_lf) {
                if (!did_indent) {
                    ss << Command::indent(indent);
                    did_indent = true;
                } else if (ch == '\n') {