71 lines
2 KiB
C++
71 lines
2 KiB
C++
/* try.cpp - for trying out some language features....
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* scons will create the binary bin/try
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*
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*/
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// 8/07 - how to control NOBUG??
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// execute with NOBUG_LOG='ttt:TRACE' bin/try
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// 1/08 - working out a static initialisation problem for Visitor (Tag creation)
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// 1/08 - check 64bit longs
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// 4/08 - comparison operators on shared_ptr<Asset>
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// 4/08 - conversions on the value_type used for boost::any
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// 5/08 - how to guard a downcasting access, so it is compiled in only if the involved types are convertible
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// 7/08 - combining partial specialisation and subclasses
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// 10/8 - abusing the STL containers to hold noncopyable values
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// 6/09 - investigating how to build a mixin template providing an operator bool()
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// 12/9 - tracking down a strange "warning: type qualifiers ignored on function return type"
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// 1/10 - can we determine at compile time the presence of a certain function (for duck-typing)?
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// 4/10 - pretty printing STL containers with python enabled GDB?
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// 1/11 - exploring numeric limits
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// 1/11 - integer floor and wrap operation(s)
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// 1/11 - how to fetch the path of the own executable -- at least under Linux?
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#include <nobug.h>
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#include <iostream>
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#include <string>
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extern "C" {
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#include <unistd.h>
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}
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#include "lib/error.hpp"
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#include "lib/symbol.hpp"
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using std::string;
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using std::cout;
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using std::endl;
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using lib::Literal;
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using lib::STRING_MAX_RELEVANT;
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namespace error = lumiera::error;
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Literal GET_PATH_TO_EXECUTABLE ("/proc/self/exe");
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string
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catchMyself ()
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{
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string buff(STRING_MAX_RELEVANT+1, '\0' );
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ssize_t chars_read = readlink (GET_PATH_TO_EXECUTABLE, &buff[0], STRING_MAX_RELEVANT);
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if (0 > chars_read || chars_read == ssize_t(STRING_MAX_RELEVANT))
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throw error::Fatal ("unable to discover path of running executable");
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buff.resize(chars_read);
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return buff;
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}
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int
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main (int, char**) //(int argc, char* argv[])
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{
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NOBUG_INIT;
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cout << "\n\nwho am I? :" << catchMyself();
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cout << "\n.gulp.\n";
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return 0;
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}
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