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// file : build2/config/module -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD2_CONFIG_MODULE
#define BUILD2_CONFIG_MODULE
#include <butl/prefix-map>
#include <build2/types>
#include <build2/utility>
#include <build2/module>
#include <build2/variable>
namespace build2
{
namespace config
{
// An ordered list of modules each with an ordered list of list of
// config.* variables and their "save flags" (see save_variable()) that
// are used (as opposed to just being specified) in this configuration.
// Populated by the config utility functions (required(), optional())
// and saved in the order populated.
//
struct saved_variable
{
reference_wrapper<const variable> var;
uint64_t flags;
};
using saved_variables = vector<saved_variable>;
struct saved_modules: butl::prefix_map<string, saved_variables, '.'>
{
vector<const_iterator> sequence;
iterator
insert (string name)
{
auto p (emplace (move (name), saved_variables ()));
if (p.second)
sequence.push_back (p.first);
return p.first;
}
};
struct module: module_base
{
config::saved_modules saved_modules;
static const string name;
};
void
boot (scope&, const location&, unique_ptr<module_base>&);
bool
init (scope&,
scope&,
const location&,
unique_ptr<module_base>&,
bool,
bool,
const variable_map&);
}
}
#endif // BUILD2_CONFIG_MODULE
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