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// file : build/rule-map -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_RULE_MAP
#define BUILD_RULE_MAP
#include <map>
#include <vector>
#include <string>
#include <typeindex>
#include <functional> // reference_wrapper
#include <butl/prefix-map>
#include <build/types>
#include <build/operation>
namespace build
{
class rule;
using target_type_rule_map = std::map<
std::type_index, // Target type.
butl::prefix_map<std::string, // Rule hint.
std::reference_wrapper<rule>, '.'>>;
// This is an "indexed map" with (operation_id - 1) being the
// index.
//
class rule_map: public std::vector<target_type_rule_map>
{
public:
template <typename T>
void
insert (operation_id oid, const char* hint, rule& r)
{
if (oid > size ())
resize (oid < 3 ? 3 : oid); // 3 is the number of builtin operations.
(*this)[oid - 1][typeid (T)].emplace (hint, r);
}
};
}
#endif // BUILD_RULE_MAP
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