本文整理汇总了C++中Arguments::empty方法的典型用法代码示例。如果您正苦于以下问题：C++ Arguments::empty方法的具体用法？C++ Arguments::empty怎么用？C++ Arguments::empty使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Arguments的用法示例。
在下文中一共展示了Arguments::empty方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: derived_get_value
jomike::j_value Symbol_Component_List::derived_get_value(const Arguments& i_args)const{
assert(i_args.empty());
(void)i_args;
//Symbol List getting the value is just getting the value of the last statement
if(M_components.empty()){
throw J_Symbol_Error("Trying to get value from empty Symbol List!");
}
J_Symbol_Scope new_scope(&symbol_scope());
j_value return_val = j_value(string(), J_Unit());
try{
for(auto symbol : M_components){
auto symbol_ptr = dynamic_cast<j_symbol*>(symbol);
if(symbol_ptr){
symbol_ptr->get_value();
}
}
} catch(J_Routine_Transfer_Exception& e){
return_val += e.value();
}
auto last_symbol = dynamic_cast<j_symbol*>(M_components.back());
if(!last_symbol){
throw J_Value_Error("Trying to get value from non j_symbol type. ");
}
return return_val;
}示例2: launch
inline child launch(const Executable &exe, const Arguments &args, const Context &ctx)
{
detail::file_handle fhstdin, fhstdout, fhstderr;
BOOST_ASSERT(!args.empty());
BOOST_ASSERT(!ctx.work_directory.empty());
#if defined(BOOST_POSIX_API)
detail::info_map infoin, infoout;
if (ctx.stdin_behavior.get_type() != stream_behavior::close)
{
detail::stream_info si = detail::stream_info(ctx.stdin_behavior, false);
infoin.insert(detail::info_map::value_type(STDIN_FILENO, si));
}
if (ctx.stdout_behavior.get_type() != stream_behavior::close)
{
detail::stream_info si = detail::stream_info(ctx.stdout_behavior, true);
infoout.insert(detail::info_map::value_type(STDOUT_FILENO, si));
}
if (ctx.stderr_behavior.get_type() != stream_behavior::close)
{
detail::stream_info si = detail::stream_info(ctx.stderr_behavior, true);
infoout.insert(detail::info_map::value_type(STDERR_FILENO, si));
}
detail::posix_setup s;
s.work_directory = ctx.work_directory;
child::id_type pid = detail::posix_start(exe, args, ctx.environment, infoin, infoout, s);
if (ctx.stdin_behavior.get_type() == stream_behavior::capture)
{
fhstdin = detail::posix_info_locate_pipe(infoin, STDIN_FILENO, false);
BOOST_ASSERT(fhstdin.valid());
}
if (ctx.stdout_behavior.get_type() == stream_behavior::capture)
{
fhstdout = detail::posix_info_locate_pipe(infoout, STDOUT_FILENO, true);
BOOST_ASSERT(fhstdout.valid());
}
if (ctx.stderr_behavior.get_type() == stream_behavior::capture)
{
fhstderr = detail::posix_info_locate_pipe(infoout, STDERR_FILENO, true);
BOOST_ASSERT(fhstderr.valid());
}
return child(pid, fhstdin, fhstdout, fhstderr);
#elif defined(BOOST_WINDOWS_API)
detail::stream_info behin = detail::stream_info(ctx.stdin_behavior, false);
if (behin.type_ == detail::stream_info::use_pipe)
fhstdin = behin.pipe_->wend();
detail::stream_info behout = detail::stream_info(ctx.stdout_behavior, true);
if (behout.type_ == detail::stream_info::use_pipe)
fhstdout = behout.pipe_->rend();
detail::stream_info beherr = detail::stream_info(ctx.stderr_behavior, true);
if (beherr.type_ == detail::stream_info::use_pipe)
fhstderr = beherr.pipe_->rend();
STARTUPINFOA si;
::ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
detail::win32_setup s;
s.work_directory = ctx.work_directory;
s.startupinfo = &si;
PROCESS_INFORMATION pi = detail::win32_start(exe, args, ctx.environment, behin, behout, beherr, s);
if (!::CloseHandle(pi.hThread))
boost::throw_exception(boost::system::system_error(boost::system::error_code(::GetLastError(), boost::system::get_system_category()), "boost::process::launch: CloseHandle failed"));
return child(pi.dwProcessId, fhstdin, fhstdout, fhstderr, detail::file_handle(pi.hProcess));
#endif
}