From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/wasm2c/include/wabt/option-parser.h | 99 +++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 third_party/wasm2c/include/wabt/option-parser.h (limited to 'third_party/wasm2c/include/wabt/option-parser.h') diff --git a/third_party/wasm2c/include/wabt/option-parser.h b/third_party/wasm2c/include/wabt/option-parser.h new file mode 100644 index 0000000000..0203ce0ccd --- /dev/null +++ b/third_party/wasm2c/include/wabt/option-parser.h @@ -0,0 +1,99 @@ +/* + * Copyright 2016 WebAssembly Community Group participants + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef WABT_OPTION_PARSER_H_ +#define WABT_OPTION_PARSER_H_ + +#include +#include +#include + +#include "wabt/common.h" + +namespace wabt { + +class OptionParser { + public: + enum class HasArgument { No, Yes }; + enum class ArgumentCount { One, OneOrMore, ZeroOrMore }; + + struct Option; + using Callback = std::function; + using NullCallback = std::function; + + struct Option { + Option(char short_name, + const std::string& long_name, + const std::string& metavar, + HasArgument has_argument, + const std::string& help, + const Callback&); + + char short_name; + std::string long_name; + std::string metavar; + bool has_argument; + std::string help; + Callback callback; + }; + + struct Argument { + Argument(const std::string& name, ArgumentCount, const Callback&); + + std::string name; + ArgumentCount count; + Callback callback; + int handled_count = 0; + }; + + explicit OptionParser(const char* program_name, const char* description); + + void AddOption(const Option&); + void AddArgument(const std::string& name, ArgumentCount, const Callback&); + void SetErrorCallback(const Callback&); + void Parse(int argc, char* argv[]); + void PrintHelp(); + + // Helper functions. + void AddOption(char short_name, + const char* long_name, + const char* help, + const NullCallback&); + void AddOption(const char* long_name, const char* help, const NullCallback&); + void AddOption(char short_name, + const char* long_name, + const char* metavar, + const char* help, + const Callback&); + + private: + static int Match(const char* s, const std::string& full, bool has_argument); + void WABT_PRINTF_FORMAT(2, 3) Errorf(const char* format, ...); + void HandleArgument(size_t* arg_index, const char* arg_value); + + // Print the error and exit(1). + void DefaultError(const std::string&); + + std::string program_name_; + std::string description_; + std::vector