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// file : odb/tracer/header.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#include <odb/common.hxx>
#include <odb/context.hxx>
#include <odb/tracer/generate.hxx>
using namespace std;
namespace tracer
{
namespace
{
struct class_: traversal::class_, context
{
virtual void
traverse (type& c)
{
if (c.file () != unit.file ())
return;
if (!object (c))
return;
string const& type (c.fq_name ());
semantics::data_member& id (*id_member (c));
bool auto_id (id.count ("auto"));
os << "// " << c.name () << endl
<< "//" << endl;
os << "template <>" << endl
<< "class access::object_traits< " << type << " >"
<< "{"
<< "public:" << endl;
// object_type & pointer_type
//
os << "typedef " << type << " object_type;"
<< "typedef object_type* pointer_type;";
// id_type
//
{
semantics::names* hint;
semantics::type& t (utype (id, hint));
os << "typedef " << t.fq_name (hint) << " id_type;"
<< endl;
}
// type_name ()
//
os << "static const char*" << endl
<< "type_name ();"
<< endl;
// id ()
//
os << "static id_type" << endl
<< "id (const object_type&);"
<< endl;
// persist ()
//
os << "static void" << endl
<< "persist (database&, " << (auto_id ? "" : "const ") <<
"object_type&);"
<< endl;
// update ()
//
os << "static void" << endl
<< "update (database&, const object_type&);"
<< endl;
// erase (id_type)
//
os << "static void" << endl
<< "erase (database&, const id_type&);"
<< endl;
// erase (object_type)
//
os << "static void" << endl
<< "erase (database&, const object_type&);"
<< endl;
// find ()
//
os << "static pointer_type" << endl
<< "find (database&, const id_type&);"
<< endl;
os << "static bool" << endl
<< "find (database&, const id_type&, object_type&);";
// callback ()
//
os << "static void" << endl
<< "callback (database&, object_type&, callback_event);"
<< endl;
os << "static void" << endl
<< "callback (database&, const object_type&, callback_event);"
<< endl;
os << "};";
}
};
}
namespace header
{
void
generate ()
{
context ctx;
ostream& os (ctx.os);
traversal::unit unit;
traversal::defines unit_defines;
traversal::namespace_ ns;
class_ c;
unit >> unit_defines >> ns;
unit_defines >> c;
traversal::defines ns_defines;
ns >> ns_defines >> ns;
ns_defines >> c;
os << "namespace odb"
<< "{";
unit.dispatch (ctx.unit);
os << "}";
}
}
}
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