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/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCpp/Preprocessor.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
Core::ArgsParser args_parser;
char const* path = nullptr;
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 = Core::File::construct(path);
if (!file->open(Core::OpenMode::ReadOnly)) {
warnln("Failed to open {}: {}", path, file->error_string());
exit(1);
}
auto content = file->read_all();
String name = LexicalPath::basename(path);
Cpp::Preprocessor cpp(name, StringView { content });
auto tokens = cpp.process_and_lex();
if (print_definitions) {
outln("Definitions:");
for (auto& definition : cpp.definitions()) {
if (definition.value.parameters.is_empty())
outln("{}: {}", definition.key, definition.value.value);
else
outln("{}({}): {}", definition.key, String::join(",", definition.value.parameters), definition.value.value);
}
outln("");
}
for (auto& token : tokens) {
outln("{}", token.to_string());
}
return 0;
}
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