Class handling the output of information in a CallInfo_t object. More...

#include "DebugUtils.h"

Classes
struct	opt
	Set of options for printing. More...

Public Member Functions
	CallInfoPrinter ()
	Default constructor: use default options. More...

	CallInfoPrinter (opt opts)
	Constructor: use specified options. More...

void	setOptions (opt opts)
	Override all the options. More...

template<typename Stream >
void	print (Stream &&out, CallInfo_t const &info) const
	Print the content of info into the stream out, using the current options. More...

template<typename Stream >
void	operator() (Stream &&out, CallInfo_t const &info) const
	Print the content of info into the stream out, using the current options. More...

void	setDefaultOptions ()
	Sets this object to use a set of default options. More...

Static Public Member Functions
static opt	defaultOptions ()
	Returns a set of default options. More...

Public Attributes
opt	options
	Set of current options. More...

Detailed Description

Class handling the output of information in a CallInfo_t object.

This class has a "default" print function (also replicated as a call operator), and a set of options that can be tweaked to change the amount of information and format to be printed.

Definition at line 128 of file DebugUtils.h.

Constructor & Destructor Documentation

lar::debug::CallInfoPrinter::CallInfoPrinter ( )

inline

Default constructor: use default options.

Definition at line 159 of file DebugUtils.h.

159 { setDefaultOptions(); }

lar::debug::CallInfoPrinter::setDefaultOptions

void setDefaultOptions()

Sets this object to use a set of default options.

Definition: DebugUtils.h:179

lar::debug::CallInfoPrinter::CallInfoPrinter ( opt opts )

inline

Constructor: use specified options.

Definition at line 162 of file DebugUtils.h.

162 : options(opts) {}

lar::debug::CallInfoPrinter::options

opt options

Set of current options.

Definition: DebugUtils.h:156

Member Function Documentation

static opt lar::debug::CallInfoPrinter::defaultOptions ( )

inlinestatic

Returns a set of default options.

Definition at line 182 of file DebugUtils.h.

References lar::debug::operator<<(), and lar::debug::CallInfoPrinter::opt::set().

     {
       opt options;
       options.set(opt::demangled);
       options.set(opt::library);
       options.set(opt::shortLibrary);
       options.set(opt::address);
       return options;
     }

template<typename Stream >

void lar::debug::CallInfoPrinter::operator()	(	Stream &&	out,
		CallInfo_t const &	info
	)		const

inline

Print the content of info into the stream out, using the current options.

Definition at line 173 of file DebugUtils.h.

     {
       print(std::forward<Stream>(out), info);
     }

template<typename Stream >

void lar::debug::CallInfoPrinter::print	(	Stream &&	out,
		CallInfo_t const &	info
	)		const

Print the content of info into the stream out, using the current options.

Definition at line 350 of file DebugUtils.h.

References lar::debug::CallInfo_t::address, lar::debug::CallInfo_t::function(), lar::debug::CallInfo_t::libraryName, lar::debug::CallInfo_t::mangledFunctionName, lar::debug::CallInfo_t::offset, lar::debug::CallInfo_t::original, and lar::debug::CallInfo_t::shortLibrary().

   {
     if (!info) {
       out << info.original << " (?)";
       return;
     }
 
     if (info.mangledFunctionName.empty()) {
       if (options.has(opt::library)) {
         out << "in " << (options.has(opt::shortLibrary) ? info.shortLibrary() : info.libraryName);
       }
       else
         out << "unknown";
     }
     else {
       //  auto flags = out.flags(); // not available in message facility streams
       out << info.function();
       auto offset = info.offset;
       if (offset && options.has(opt::offset)) {
         out << " [";
         if (offset > 0)
           out << '+';
         else {
           out << '-';
           offset = -offset;
         }
         out << std::showbase << std::hex << offset << "]";
       } // if has offset
       //  out << std::ios::setiosflags(flags);
       if (!info.libraryName.empty() && options.has(opt::library)) {
         out << " in " << (options.has(opt::shortLibrary) ? info.shortLibrary() : info.libraryName);
       }
     }
     if (info.address && options.has(opt::address)) out << " at " << ((void*)info.address);
     out << std::flush;
   } // CallInfoPrinter::print()