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// file : build/context.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <build/context>
#include <ostream>
#include <cassert>
#include <system_error>
#include <build/scope>
#include <build/target>
#include <build/rule>
#include <build/diagnostics>
using namespace std;
using namespace butl;
namespace build
{
dir_path work;
dir_path home;
const meta_operation_info* current_mif;
const operation_info* current_oif;
execution_mode current_mode;
// Builtin rules.
//
static dir_rule dir_;
static fsdir_rule fsdir_;
static file_rule file_;
void
reset ()
{
targets.clear ();
scopes.clear ();
variable_pool.clear ();
// Enter builtin variables.
//
variable_pool.insert (variable ("subprojects", '='));
// Create global scope. For Win32 we use the empty path since there
// is no "real" root path. On POSIX, however, this is a real path.
// See the comment in <build/path-map> for details.
//
#ifdef _WIN32
global_scope = &scopes[dir_path ()];
#else
global_scope = &scopes[dir_path ("/")];
#endif
global_scope->assign ("work") = work;
global_scope->assign ("home") = home;
// Register builtin target types.
//
{
target_type_map& tts (global_scope->target_types);
tts.insert<file> ();
tts.insert<dir> ();
tts.insert<fsdir> ();
}
// Register builtin rules.
//
{
rule_map& rs (global_scope->rules);
rs.insert<dir> (default_id, "dir", dir_);
rs.insert<dir> (update_id, "dir", dir_);
rs.insert<dir> (clean_id, "dir", dir_);
rs.insert<fsdir> (default_id, "fsdir", fsdir_);
rs.insert<fsdir> (update_id, "fsdir", fsdir_);
rs.insert<fsdir> (clean_id, "fsdir", fsdir_);
rs.insert<file> (default_id, "file", file_);
rs.insert<file> (update_id, "file", file_);
rs.insert<file> (clean_id, "file", file_);
}
}
fs_status<mkdir_status>
mkdir (const dir_path& d)
{
// We don't want to print the command if the directory already
// exists. This makes the below code a bit ugly.
//
mkdir_status ms;
try
{
ms = try_mkdir (d);
}
catch (const system_error& e)
{
text << "mkdir " << d;
fail << "unable to create directory " << d << ": " << e.what ();
}
if (ms == mkdir_status::success)
text << "mkdir " << d;
return ms;
}
fs_status<mkdir_status>
mkdir_p (const dir_path& d)
{
// We don't want to print the command if the directory already
// exists. This makes the below code a bit ugly.
//
mkdir_status ms;
try
{
ms = try_mkdir_p (d);
}
catch (const system_error& e)
{
text << "mkdir -p " << d;
fail << "unable to create directory " << d << ": " << e.what ();
}
if (ms == mkdir_status::success)
text << "mkdir -p " << d;
return ms;
}
dir_path
src_out (const dir_path& out, scope& s)
{
scope& rs (*s.root_scope ());
return src_out (out, rs.path (), rs.src_path ());
}
dir_path
out_src (const dir_path& src, scope& s)
{
scope& rs (*s.root_scope ());
return out_src (src, rs.path (), rs.src_path ());
}
dir_path
src_out (const dir_path& o,
const dir_path& out_root, const dir_path& src_root)
{
assert (o.sub (out_root));
return src_root / o.leaf (out_root);
}
dir_path
out_src (const dir_path& s,
const dir_path& out_root, const dir_path& src_root)
{
assert (s.sub (src_root));
return out_root / s.leaf (src_root);
}
const dir_path* relative_base = &work;
}
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