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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;
string_pool extension_pool;
string_pool project_name_pool;
const meta_operation_info* current_mif;
const operation_info* current_inner_oif;
const operation_info* current_outer_oif;
execution_mode current_mode;
uint64_t dependency_count;
void
reset ()
{
extension_pool.clear ();
project_name_pool.clear ();
targets.clear ();
scopes.clear ();
variable_pool.clear ();
// Reset meta/operation tables. Note that the order should match
// the id constants in <build/operation>.
//
meta_operation_table.clear ();
meta_operation_table.insert ("perform");
meta_operation_table.insert ("configure");
meta_operation_table.insert ("disfigure");
meta_operation_table.insert ("dist");
operation_table.clear ();
operation_table.insert ("default");
operation_table.insert ("update");
operation_table.insert ("clean");
operation_table.insert ("test");
operation_table.insert ("install");
// Enter builtin variables.
//
variable_pool.find ("work", dir_path_type);
variable_pool.find ("home", dir_path_type);
variable_pool.find ("src_root", dir_path_type);
variable_pool.find ("out_root", dir_path_type);
variable_pool.find ("src_base", dir_path_type);
variable_pool.find ("out_base", dir_path_type);
variable_pool.find ("project", string_type);
variable_pool.find ("amalgamation", dir_path_type);
// Shouldn't be typed since the value requires pre-processing.
//
variable_pool.find ("subprojects", nullptr, '=');
// Create global scope. For Win32 this is not a "real" root path.
// On POSIX, however, this is a real path. See the comment in
// <build/path-map> for details.
//
global_scope = scopes.insert (
dir_path ("/"), nullptr, true, false)->second;
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<alias> ();
tts.insert<dir> ();
tts.insert<fsdir> ();
tts.insert<doc> ();
tts.insert<man> ();
tts.insert<man1> ();
}
// Register builtin rules.
//
{
rule_map& rs (global_scope->rules);
rs.insert<alias> (perform_id, 0, "alias", alias_rule::instance);
rs.insert<fsdir> (perform_id, update_id, "fsdir", fsdir_rule::instance);
rs.insert<fsdir> (perform_id, clean_id, "fsdir", fsdir_rule::instance);
rs.insert<file> (perform_id, update_id, "file", file_rule::instance);
rs.insert<file> (perform_id, clean_id, "file", file_rule::instance);
}
}
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)
{
if (verb)
text << "mkdir " << d;
fail << "unable to create directory " << d << ": " << e.what ();
}
if (ms == mkdir_status::success)
{
if (verb)
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)
{
if (verb)
text << "mkdir -p " << d;
fail << "unable to create directory " << d << ": " << e.what ();
}
if (ms == mkdir_status::success)
{
if (verb)
text << "mkdir -p " << d;
}
return ms;
}
fs_status<butl::rmdir_status>
rmdir_r (const dir_path& d)
{
using namespace butl;
if (work.sub (d)) // Don't try to remove working directory.
return rmdir_status::not_empty;
if (!dir_exists (d))
return rmdir_status::not_exist;
if (verb)
text << "rmdir -r " << d;
try
{
butl::rmdir_r (d);
}
catch (const std::system_error& e)
{
fail << "unable to remove directory " << d << ": " << e.what ();
}
return rmdir_status::success;
}
dir_path
src_out (const dir_path& out, scope& s)
{
scope& rs (*s.root_scope ());
return src_out (out, rs.out_path (), rs.src_path ());
}
dir_path
out_src (const dir_path& src, scope& s)
{
scope& rs (*s.root_scope ());
return out_src (src, rs.out_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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