#pragma once

#include "config.h"

#include <string>
#include <list>
#include <set>

#include <boost/format.hpp>

/* Before 4.7, gcc's std::exception uses empty throw() specifiers for
 * its (virtual) destructor and what() in c++11 mode, in violation of spec
 */
#ifdef __GNUC__
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
#define EXCEPTION_NEEDS_THROW_SPEC
#endif
#endif


namespace nix {


/* Inherit some names from other namespaces for convenience. */
using std::string;
using std::list;
using std::set;
using std::vector;
using boost::format;


struct FormatOrString
{
    string s;
    FormatOrString(const string & s) : s(s) { };
    FormatOrString(const format & f) : s(f.str()) { };
    FormatOrString(const char * s) : s(s) { };
};


/* BaseError should generally not be caught, as it has Interrupted as
   a subclass. Catch Error instead. */
class BaseError : public std::exception
{
protected:
    string prefix_; // used for location traces etc.
    string err;
public:
    unsigned int status; // exit status
    BaseError(const FormatOrString & fs, unsigned int status = 1);
#ifdef EXCEPTION_NEEDS_THROW_SPEC
    ~BaseError() throw () { };
    const char * what() const throw () { return err.c_str(); }
#else
    const char * what() const noexcept { return err.c_str(); }
#endif
    const string & msg() const { return err; }
    const string & prefix() const { return prefix_; }
    BaseError & addPrefix(const FormatOrString & fs);
};

#define MakeError(newClass, superClass) \
    class newClass : public superClass                  \
    {                                                   \
    public:                                             \
        newClass(const FormatOrString & fs, unsigned int status = 1) : superClass(fs, status) { }; \
    };

MakeError(Error, BaseError)

class SysError : public Error
{
public:
    int errNo;
    SysError(const FormatOrString & fs);
};


typedef list<string> Strings;
typedef set<string> StringSet;


/* Paths are just strings. */
typedef string Path;
typedef list<Path> Paths;
typedef set<Path> PathSet;


typedef enum {
    lvlError = 0,
    lvlInfo,
    lvlTalkative,
    lvlChatty,
    lvlDebug,
    lvlVomit
} Verbosity;


}
ot</a>/<a href='/guix/log/gnu?id=2b65a9e6d18c661f5bb6b3e557973c52b3294e87'>gnu</a>/<a href='/guix/log/gnu/services?id=2b65a9e6d18c661f5bb6b3e557973c52b3294e87'>services</a>/<a href='/guix/log/gnu/services/virtualization.scm?id=2b65a9e6d18c661f5bb6b3e557973c52b3294e87'>virtualization.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/virtualization.scm?id=2b65a9e6d18c661f5bb6b3e557973c52b3294e87&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-07-14 13:19:37 +0200'>2018-07-14</span></td><td><a href='/guix/commit/gnu/services/virtualization.scm?id=daf823ad27d2db8a392c269cfe7940ad8cb1f4c1'>gnu: services: Export virtlog-configuration.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2018-01-11 14:42:31 +0100'>2018-01-11</span></td><td><a href='/guix/commit/gnu/services/virtualization.scm?id=71b98b9de9d2658f4787d2fb77609a95b09ff3ea'>services: qemu-binfmt: Extend guix-daemon with extra chroot directories.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-01-11 14:29:49 +0100'>2018-01-11</span></td><td><a href='/guix/commit/gnu/services/virtualization.scm?id=6738c29fbfa754c0e787ccfd20e47476cd161f98'>services: Add qemu-binfmt.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-08-23 12:47:24 +0100'>2017-08-23</span></td><td><a href='/guix/commit/gnu/services/virtualization.scm?id=e6051057ab926daa19a00a2d8dbd678ecb9be95c'>services: Add libvirt services</a><span class='msg-avail'>...</span></td><td>Ryan Moe</td></tr>