| //===-- source/Host/common/OptionParser.cpp ---------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Host/OptionParser.h" |
| #include "lldb/Host/HostGetOpt.h" |
| #include "lldb/lldb-private-types.h" |
| |
| #include <vector> |
| |
| using namespace lldb_private; |
| |
| void |
| OptionParser::Prepare() |
| { |
| #ifdef __GLIBC__ |
| optind = 0; |
| #else |
| optreset = 1; |
| optind = 1; |
| #endif |
| } |
| |
| void |
| OptionParser::EnableError(bool error) |
| { |
| opterr = error ? 1 : 0; |
| } |
| |
| int |
| OptionParser::Parse (int argc, |
| char * const argv [], |
| const char *optstring, |
| const Option *longopts, |
| int *longindex) |
| { |
| std::vector<option> opts; |
| while (longopts->definition != nullptr) |
| { |
| option opt; |
| opt.flag = longopts->flag; |
| opt.val = longopts->val; |
| opt.name = longopts->definition->long_option; |
| opt.has_arg = longopts->definition->option_has_arg; |
| opts.push_back(opt); |
| ++longopts; |
| } |
| opts.push_back(option()); |
| return getopt_long_only(argc, argv, optstring, &opts[0], longindex); |
| } |
| |
| char* |
| OptionParser::GetOptionArgument() |
| { |
| return optarg; |
| } |
| |
| int |
| OptionParser::GetOptionIndex() |
| { |
| return optind; |
| } |
| |
| int |
| OptionParser::GetOptionErrorCause() |
| { |
| return optopt; |
| } |
| |
| std::string |
| OptionParser::GetShortOptionString(struct option *long_options) |
| { |
| std::string s; |
| int i=0; |
| bool done = false; |
| while (!done) |
| { |
| if (long_options[i].name == 0 && |
| long_options[i].has_arg == 0 && |
| long_options[i].flag == 0 && |
| long_options[i].val == 0) |
| { |
| done = true; |
| } |
| else |
| { |
| if (long_options[i].flag == NULL && |
| isalpha(long_options[i].val)) |
| { |
| s.append(1, (char)long_options[i].val); |
| switch (long_options[i].has_arg) |
| { |
| default: |
| case no_argument: |
| break; |
| |
| case optional_argument: |
| s.append(2, ':'); |
| break; |
| case required_argument: |
| s.append(1, ':'); |
| break; |
| } |
| } |
| ++i; |
| } |
| } |
| return s; |
| } |