ladybird/Userland/Utilities/cpp-parser.cpp
2023-02-13 00:50:07 +00:00

46 lines
1.2 KiB
C++

/*
* Copyright (c) 2021-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCpp/Parser.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Core::ArgsParser args_parser;
StringView path;
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(arguments);
if (path.is_empty())
path = "Source/little/main.cpp"sv;
auto file = TRY(Core::File::open(path, Core::File::OpenMode::Read));
auto content = TRY(file->read_until_eof());
StringView content_view(content);
::Cpp::Preprocessor processor(path, content_view);
auto tokens = processor.process_and_lex();
::Cpp::Parser parser(tokens, path);
if (tokens_mode) {
parser.print_tokens();
return 0;
}
auto root = parser.parse();
dbgln("Parser errors:");
for (auto& error : parser.errors()) {
dbgln("{}", error);
}
root->dump();
return 0;
}