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// file : build/rule -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_RULE
#define BUILD_RULE
#include <string>
#include <typeindex>
#include <functional> // reference_wrapper
#include <unordered_map>
#include <build/target>
#include <build/prefix_map>
namespace build
{
class rule
{
public:
virtual void*
match (target&, const std::string& hint) const = 0;
virtual recipe
apply (target&, void*) const = 0;
};
typedef std::unordered_map<
std::type_index,
prefix_multimap<std::string, std::reference_wrapper<rule>, '.'>> rule_map;
extern rule_map rules;
// Fallback rule that check that the path exists.
//
class path_rule: public rule
{
public:
virtual void*
match (target&, const std::string& hint) const;
virtual recipe
apply (target&, void*) const;
static target_state
update (target&);
};
class dir_rule: public rule
{
public:
virtual void*
match (target&, const std::string& hint) const;
virtual recipe
apply (target&, void*) const;
static target_state
update (target&);
};
}
#endif // BUILD_RULE
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