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// file : build/prerequisite -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_PREREQUISITE
#define BUILD_PREREQUISITE
#include <set>
#include <string>
#include <iosfwd>
#include <utility> // move
#include <typeindex>
#include <build/path>
#include <build/utility> // extension_pool
#include <build/diagnostics>
namespace build
{
class scope;
class target;
class target_type;
class prerequisite
{
public:
typedef build::target target_type;
typedef build::target_type target_type_type;
typedef build::scope scope_type;
prerequisite (const target_type_type& t,
path d,
std::string n,
const std::string* e,
scope_type& s)
: type (t), dir (std::move (d)), name (std::move (n)), ext (e),
scope (s), target (0) {}
public:
const target_type_type& type;
const path dir; // Normalized absolute or relative (to scope).
const std::string name;
const std::string* ext; // NULL if unspecified.
scope_type& scope;
target_type* target; // NULL if not yet resolved.
};
std::ostream&
operator<< (std::ostream&, const prerequisite&);
bool
operator< (const prerequisite&, const prerequisite&);
struct prerequisite_set: std::set<prerequisite>
{
std::pair<prerequisite&, bool>
insert (const target_type&,
path dir,
std::string name,
const std::string* ext,
scope&,
tracer&);
};
}
#endif // BUILD_PREREQUISITE
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