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// file : build2/target.txx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <build2/scope>
#include <build2/context> // extension_pool
#include <build2/diagnostics>
#include <build2/prerequisite>
namespace build2
{
template <const char* ext>
const string*
target_extension_fix (const target_key&, scope&)
{
return &extension_pool.find (ext);
}
template <const char* var, const char* def>
const string*
target_extension_var (const target_key& tk, scope& s)
{
// Include target type/pattern-specific variables.
//
if (auto l = s.lookup (tk, var))
{
// Help the user here and strip leading '.' from the extension.
//
const string& e (cast<string> (*l));
return &extension_pool.find (
!e.empty () && e.front () == '.' ? string (e, 1) : e);
}
return def != nullptr ? &extension_pool.find (def) : nullptr;
}
}
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