ladybird/Userland/Utilities/cpp-preprocessor.cpp
Tim Schumacher ed4c2f2f8e LibCore: Rename Stream::read_all to read_until_eof
This generally seems like a better name, especially if we somehow also
need a better name for "read the entire buffer, but not the entire file"
somewhere down the line.
2022-12-12 14:16:42 +01:00

44 lines
1.4 KiB
C++

/*
* Copyright (c) 2021-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/Stream.h>
#include <LibCpp/Preprocessor.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Core::ArgsParser args_parser;
StringView path;
bool print_definitions = false;
args_parser.add_positional_argument(path, "File", "file", Core::ArgsParser::Required::Yes);
args_parser.add_option(print_definitions, "Print preprocessor definitions", "definitions", 'D');
args_parser.parse(arguments);
auto file = TRY(Core::Stream::File::open(path, Core::Stream::OpenMode::Read));
auto content = TRY(file->read_until_eof());
DeprecatedString name = LexicalPath::basename(path);
Cpp::Preprocessor cpp(name, StringView { content });
auto tokens = cpp.process_and_lex();
if (print_definitions) {
outln("Definitions:");
for (auto const& definition : cpp.definitions()) {
if (definition.value.parameters.is_empty())
outln("{}: {}", definition.key, definition.value.value);
else
outln("{}({}): {}", definition.key, DeprecatedString::join(',', definition.value.parameters), definition.value.value);
}
outln("");
}
for (auto& token : tokens) {
outln("{}", token.to_deprecated_string());
}
return 0;
}