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// file : build2/bin/rule.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <libbuild2/bin/rule.hxx>
#include <libbuild2/scope.hxx>
#include <libbuild2/target.hxx>
#include <libbuild2/algorithm.hxx>
#include <libbuild2/diagnostics.hxx>
#include <libbuild2/bin/target.hxx>
using namespace std;
namespace build2
{
namespace bin
{
// fail_rule
//
bool fail_rule::
match (action a, target& t, const string&) const
{
const char* n (t.dynamic_type ().name); // Ignore derived type.
fail << diag_doing (a, t) << " target group" <<
info << "explicitly select " << n << "e{}, " << n << "a{}, or "
<< n << "s{} member" << endf;
}
recipe fail_rule::
apply (action, target&) const {return empty_recipe;}
// lib_rule
//
// The whole logic is pretty much as if we had our two group members as
// our prerequisites.
//
lib_rule::members lib_rule::
build_members (const scope& rs)
{
const string& type (cast<string> (rs["bin.lib"]));
bool a (type == "static" || type == "both");
bool s (type == "shared" || type == "both");
if (!a && !s)
fail << "unknown library type: " << type <<
info << "'static', 'shared', or 'both' expected";
return members {a, s};
}
bool lib_rule::
match (action, target& xt, const string&) const
{
lib& t (xt.as<lib> ());
members bm (build_members (t.root_scope ()));
t.a = bm.a ? &search<liba> (t, t.dir, t.out, t.name) : nullptr;
t.s = bm.s ? &search<libs> (t, t.dir, t.out, t.name) : nullptr;
return true;
}
recipe lib_rule::
apply (action a, target& xt) const
{
lib& t (xt.as<lib> ());
//@@ outer: also prerequisites (if outer) or not?
const target* m[] = {t.a, t.s};
match_members (a, t, m);
return &perform;
}
target_state lib_rule::
perform (action a, const target& xt)
{
const lib& t (xt.as<lib> ());
const target* m[] = {t.a, t.s};
return execute_members (a, t, m);
}
}
}
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