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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/operation>
#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 action/target with ambiguity detection.
//
void
match (action, target&);
// The default prerequisite search and match implementation. It calls
// search() and then match() for each prerequisite in a loop.
//
void
search_and_match (action, target&);
// Execute the action on target, assuming a rule has been matched
// and the recipe for this action has been set.
//
target_state
execute (action, target&);
// The default prerequisite execute implementation. It calls execute()
// for each prerequisite in a loop. Returns target_state::changed
// if any of them were changed and target_state::unchanged otherwise.
//
target_state
execute_prerequisites (action, target&);
// A version of the above that also determines whether the action
// needs to be executed on the target based on the passed timestamp.
//
bool
execute_prerequisites (action, target&, const timestamp&);
// Another version of the above that does two extra things for the
// caller: it determines whether the action needs to be executed on
// the target based on the passed timestamp and, if so, finds a
// prerequisite of the specified type (e.g., source file).
//
template <typename T>
T*
execute_prerequisites (action, target&, const timestamp&);
}
#include <build/algorithm.ixx>
#include <build/algorithm.txx>
#endif // BUILD_ALGORITHM
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