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// file : build/algorithm -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_ALGORITHM
#define BUILD_ALGORITHM
#include <build/target>
#include <build/timestamp>
namespace build
{
class prerequisite;
// The default prerequsite search implementation. It first calls the
// target-type-specific search function. If that doesn't yeld anything,
// it creates a new target.
//
target&
search (prerequisite&);
// Match a rule to the target with ambiguity detection.
//
void
match (target&);
// The default prerequisite search and match implementation. It calls
// search() and then match() for each prerequisite in a loop.
//
void
search_and_match (target&);
target_state
update (target&);
// The default prerequisite update implementation. It calls update()
// for each prerequisite in a loop. Returns target_state::updated
// if any of them were updated and target_state::uptodate otherwise.
//
target_state
update_prerequisites (target&);
// A version of the above that also determines whether the target
// needs updating based on the passed timestamp.
//
bool
update_prerequisites (target&, const timestamp&);
// Another version of the above that does two extra things for the
// caller: it determines whether the target needs updating based
// on the passed timestamp and, if so, finds a prerequisite of the
// specified type.
//
template <typename T>
T*
update_prerequisites (target&, const timestamp&);
}
#include <build/algorithm.ixx>
#include <build/algorithm.txx>
#endif // BUILD_ALGORITHM
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