#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;


}
u?id=9b049de84ed101e2c0a5d071e76f424b3bc46bd9'>gnu</a>/<a href='/guix/log/gnu/packages?id=9b049de84ed101e2c0a5d071e76f424b3bc46bd9'>packages</a>/<a href='/guix/log/gnu/packages/shellutils.scm?id=9b049de84ed101e2c0a5d071e76f424b3bc46bd9'>shellutils.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/packages/shellutils.scm?id=9b049de84ed101e2c0a5d071e76f424b3bc46bd9&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-05-16 14:30:21 +0200'>2020-05-16</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=23e89f915e6111fa9ba330bfa317da82e292d50d'>gnu: zsh-autosuggestions: Update to 0.6.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm (zsh-autosuggestions): Update to 0.6.4.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-05-13 22:42:34 +0300'>2020-05-13</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=ad81708d2230af547e513a5bc8a69f70afa72b3c'>gnu: hstr: Update to 2.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm (hstr): Update to 2.2.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>Michael Rohleder</td></tr>
<tr><td><span title='2019-11-24 09:31:26 +0300'>2019-11-24</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=39bf4e0bad499aa6f9388164e73197a501915ff6'>gnu: Add shell-functools.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm (shell-functools): New variable.
</span></span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2019-11-13 22:02:25 +0200'>2019-11-13</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=2bbda4f077513aa70cb10150fc1c0a808b2657ea'>gnu: hstr: Don't use unstable tarball.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm (hstr)[source]: Download using git-fetch.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2019-09-13 15:39:43 +0300'>2019-09-13</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=f0e149752a76b453b197b39c88e4ffc9ac5f52fa'>gnu: shellutils.scm: Sort module inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm: Sort module inputs alphabetically.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2019-09-13 15:39:34 +0300'>2019-09-13</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=8ebd56ea75768cf7acda877bd294ff0dd3a1809d'>gnu: Add zsh-autosuggestions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm (zsh-autosuggestions): New variable.

Signed-off-by: Efraim Flashner &lt;efraim@flashner.co.il&gt;
</span></span></td><td>Collin J. Doering</td></tr>
<tr><td><span title='2019-09-13 10:50:11 +0200'>2019-09-13</span></td><td><a href='/guix/commit/gnu/packages/shellutils.scm?id=f69f37d54a677c1816b225ead7503a4e3cfee24d'>gnu: Add sh-z shell tool</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/shellutils.scm (sh-z): New variable.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Collin J. Doering</td></tr>