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c8585b77d2
This prevents us from needing a sv suffix, and potentially reduces the need to run generic code for a single character (as contains, starts_with, ends_with etc. for a char will be just a length and equality check). No functional changes.
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/LexicalPath.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibCpp/Preprocessor.h>
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#include <LibMain/Main.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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Core::ArgsParser args_parser;
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char const* path = nullptr;
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bool print_definitions = false;
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args_parser.add_positional_argument(path, "File", "file", Core::ArgsParser::Required::Yes);
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args_parser.add_option(print_definitions, "Print preprocessor definitions", "definitions", 'D');
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args_parser.parse(arguments);
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auto file = Core::File::construct(path);
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if (!file->open(Core::OpenMode::ReadOnly)) {
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warnln("Failed to open {}: {}", path, file->error_string());
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exit(1);
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}
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auto content = file->read_all();
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String name = LexicalPath::basename(path);
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Cpp::Preprocessor cpp(name, StringView { content });
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auto tokens = cpp.process_and_lex();
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if (print_definitions) {
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outln("Definitions:");
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for (auto& definition : cpp.definitions()) {
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if (definition.value.parameters.is_empty())
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outln("{}: {}", definition.key, definition.value.value);
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else
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outln("{}({}): {}", definition.key, String::join(',', definition.value.parameters), definition.value.value);
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}
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outln("");
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}
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for (auto& token : tokens) {
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outln("{}", token.to_string());
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}
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return 0;
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}
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