4#ifndef DUNE_DEBUGSTREAM_HH
5#define DUNE_DEBUGSTREAM_HH
127 template <DebugLevel current, DebugLevel threshold>
129 static const bool value = (current >= threshold);
139 template <DebugLevel current, DebugLevel mask>
141 enum {
value = ((current & mask)!=0) };
203 _active = activator<thislevel,alevel>::value;
218 std::ostream& fallback = std::cerr)
225 _active = activator<thislevel,alevel>::value;
249 "There are streams still tied to this stream!");
264 if (activator<thislevel, dlevel>::value) {
286 if (activator<thislevel, dlevel>::value) {
301 if (activator<thislevel, dlevel>::value) {
316 if (activator<thislevel, dlevel>::value) {
332 if (activator<thislevel,alevel>::value) {
337 _actstack.push(
false);
343 if (_actstack.empty())
357 return activator<thislevel, dlevel>::value &&
_active;
417 std::stack<bool> _actstack;
A few common exception classes.
static const bool value
Definition debugstream.hh:129
StreamWrap(std::ostream &_out)
Definition debugstream.hh:150
DebugStream(std::ostream &out=std::cerr)
Create a DebugStream and set initial output stream.
Definition debugstream.hh:197
~DebugStream() noexcept(false)
Destroy stream.
Definition debugstream.hh:240
void untie()
Untie stream.
Definition debugstream.hh:400
DebugStream & flush()
pass on flush to underlying output stream
Definition debugstream.hh:315
void attach(std::ostream &stream)
set output to a different stream.
Definition debugstream.hh:364
void detach()
detach current output stream and restore to previous stream
Definition debugstream.hh:374
std::ostream & out
Definition debugstream.hh:151
void pop()
restore previously set activation flag
Definition debugstream.hh:342
bool active() const
reports if this stream will produce output
Definition debugstream.hh:356
bool _active
flag to switch output during runtime
Definition debugstream.hh:163
unsigned int _tied_streams
how many streams are tied to this state
Definition debugstream.hh:169
void tie(DebugStreamState &to)
Definition debugstream.hh:386
void push(bool b)
set activation flag and store old value
Definition debugstream.hh:330
unsigned int DebugLevel
Type for debug levels.
Definition debugstream.hh:116
bool _tied
are we tied to another DebugStream?
Definition debugstream.hh:166
StreamWrap * current
current output stream and link to possibly pushed old output streams
Definition debugstream.hh:160
DebugStream & operator<<(const T data)
Generic types are passed on to current output stream.
Definition debugstream.hh:262
DebugStream(DebugStreamState &master, std::ostream &fallback=std::cerr)
Create a DebugStream and directly tie to another DebugStream.
Definition debugstream.hh:217
DebugStream & operator<<(const int data)
explicit specialization so that enums can be printed
Definition debugstream.hh:284
DebugStream & operator<<(std::ostream &(*f)(std::ostream &))
pass on manipulators to underlying output stream
Definition debugstream.hh:300
StreamWrap * next
Definition debugstream.hh:152
@ value
Definition debugstream.hh:141
#define DUNE_THROW(E, m)
Definition exceptions.hh:216
Dune namespace.
Definition alignment.hh:11
Greater or equal template test.
Definition debugstream.hh:128
activate if current and mask have common bits switched on.
Definition debugstream.hh:140
standard exception for the debugstream
Definition debugstream.hh:146
Definition debugstream.hh:148
Intermediate class to implement tie-operation of DebugStream.
Definition debugstream.hh:156
Generic class to implement debug output streams.
Definition debugstream.hh:190
Default exception class for I/O errors.
Definition exceptions.hh:229