C++ TargetSP::GetExecutableSearchPaths方法代码示例

Error
TargetList::CreateTarget (Debugger &debugger,
                          const FileSpec& file,
                          const char *triple_cstr,
                          bool get_dependent_files,
                          const OptionGroupPlatform *platform_options,
                          TargetSP &target_sp)
{
    Error error;
    PlatformSP platform_sp;
    
    // This is purposely left empty unless it is specified by triple_cstr.
    // If not initialized via triple_cstr, then the currently selected platform
    // will set the architecture correctly.
    const ArchSpec arch(triple_cstr);
    if (triple_cstr && triple_cstr[0])
    {
        if (!arch.IsValid())
        {
            error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
            return error;
        }
    }

    ArchSpec platform_arch(arch);
    CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
    if (platform_options)
    {
        if (platform_options->PlatformWasSpecified ())
        {
            const bool select_platform = true;
            platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
                                                                       arch,
                                                                       select_platform, 
                                                                       error,
                                                                       platform_arch);
            if (!platform_sp)
                return error;
        }
    }
    
    if (!platform_sp)
    {
        // Get the current platform and make sure it is compatible with the
        // current architecture if we have a valid architecture.
        platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
        
        if (arch.IsValid() && !platform_sp->IsCompatibleArchitecture(arch, &platform_arch))
        {
            platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
        }
    }
    
    if (!platform_arch.IsValid())
        platform_arch = arch;

    error = TargetList::CreateTarget (debugger,
                                      file,
                                      platform_arch,
                                      get_dependent_files,
                                      platform_sp,
                                      target_sp);

    if (target_sp)
    {
        if (file.GetDirectory())
        {
            FileSpec file_dir;
            file_dir.GetDirectory() = file.GetDirectory();
            target_sp->GetExecutableSearchPaths ().Append (file_dir);
        }
    }
    return error;
}

//.........这里部分代码省略.........
    bool user_exe_path_is_bundle = false;
    char resolved_bundle_exe_path[PATH_MAX];
    resolved_bundle_exe_path[0] = '\0';
    if (file)
    {
        if (file.GetFileType() == FileSpec::eFileTypeDirectory)
            user_exe_path_is_bundle = true;

        if (file.IsRelativeToCurrentWorkingDirectory())
        {
            // Ignore paths that start with "./" and "../"
            if (!((user_exe_path[0] == '.' && user_exe_path[1] == '/') ||
                  (user_exe_path[0] == '.' && user_exe_path[1] == '.' && user_exe_path[2] == '/')))
            {
                char cwd[PATH_MAX];
                if (getcwd (cwd, sizeof(cwd)))
                {
                    std::string cwd_user_exe_path (cwd);
                    cwd_user_exe_path += '/';
                    cwd_user_exe_path += user_exe_path;
                    FileSpec cwd_file (cwd_user_exe_path.c_str(), false);
                    if (cwd_file.Exists())
                        file = cwd_file;
                }
            }
        }

        ModuleSP exe_module_sp;
        if (platform_sp)
        {
            FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths());
            error = platform_sp->ResolveExecutable (file,
                                                    arch,
                                                    exe_module_sp, 
                                                    executable_search_paths.GetSize() ? &executable_search_paths : NULL);
        }

        if (error.Success() && exe_module_sp)
        {
            if (exe_module_sp->GetObjectFile() == NULL)
            {
                if (arch.IsValid())
                {
                    error.SetErrorStringWithFormat("\"%s\" doesn't contain architecture %s",
                                                   file.GetPath().c_str(),
                                                   arch.GetArchitectureName());
                }
                else
                {
                    error.SetErrorStringWithFormat("unsupported file type \"%s\"",
                                                   file.GetPath().c_str());
                }
                return error;
            }
            target_sp.reset(new Target(debugger, arch, platform_sp));
            target_sp->SetExecutableModule (exe_module_sp, get_dependent_files);
            if (user_exe_path_is_bundle)
                exe_module_sp->GetFileSpec().GetPath(resolved_bundle_exe_path, sizeof(resolved_bundle_exe_path));
        }
    }
    else
    {
        // No file was specified, just create an empty target with any arch
        // if a valid arch was specified
        target_sp.reset(new Target(debugger, arch, platform_sp));
    }

    if (target_sp)
    {
        // Set argv0 with what the user typed, unless the user specified a
        // directory. If the user specified a directory, then it is probably a
        // bundle that was resolved and we need to use the resolved bundle path
        if (user_exe_path)
        {
            // Use exactly what the user typed as the first argument when we exec or posix_spawn
            if (user_exe_path_is_bundle && resolved_bundle_exe_path[0])
            {
                target_sp->SetArg0 (resolved_bundle_exe_path);
            }
            else
            {
                // Use resolved path
                target_sp->SetArg0 (file.GetPath().c_str());
            }
        }
        if (file.GetDirectory())
        {
            FileSpec file_dir;
            file_dir.GetDirectory() = file.GetDirectory();
            target_sp->GetExecutableSearchPaths ().Append (file_dir);
        }
        Mutex::Locker locker(m_target_list_mutex);
        m_selected_target_idx = m_target_list.size();
        m_target_list.push_back(target_sp);
        
        
    }

    return error;
}