ladybird/Userland/Utilities/CppParserTest.cpp

/*
 * Copyright (c) 2021, the SerenityOS developers.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "AK/Forward.h"
#include "LibCpp/AST.h"
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCpp/Parser.h>

int main(int argc, char** argv)
{
    Core::ArgsParser args_parser;
    const char* path = nullptr;
    bool tokens_mode = false;
    args_parser.add_option(tokens_mode, "Print Tokens", "tokens", 'T');
    args_parser.add_positional_argument(path, "Cpp File", "cpp-file", Core::ArgsParser::Required::No);
    args_parser.parse(argc, argv);

    if (!path)
        path = "Source/little/main.cpp";
    auto file = Core::File::construct(path);
    if (!file->open(Core::IODevice::ReadOnly)) {
        perror("open");
        exit(1);
    }
    auto content = file->read_all();
    StringView content_view(content);
    ::Cpp::Parser parser(content_view);
    if (tokens_mode) {
        parser.print_tokens();
        return 0;
    }
    auto root = parser.parse();

    dbgln("Parser errors:");
    for (auto& error : parser.errors()) {
        dbgln("{}", error);
    }

    root->dump(0);
}