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// file : build/file -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_FILE
#define BUILD_FILE
#include <build/types>
#include <build/variable> // list_value
namespace build
{
class scope;
class location;
bool
is_src_root (const dir_path&);
bool
is_out_root (const dir_path&);
// Given an src_base directory, look for a project's src_root
// based on the presence of known special files. Return empty
// path if not found.
//
dir_path
find_src_root (const dir_path&);
// The same as above but for project's out. Note that we also
// check whether a directory happens to be src_root, in case
// this is an in-tree build. The second argument is the out
// flag that is set to true if this is src_root.
//
dir_path
find_out_root (const dir_path&, bool* src = nullptr);
void
source (const path& buildfile, scope& root, scope& base);
// As above but first check if this buildfile has already been
// sourced for the base scope.
//
void
source_once (const path& buildfile, scope& root, scope& base);
// As above but checks against the specified scope rather than base.
//
void
source_once (const path& buildfile, scope& root, scope& base, scope& once);
// Create project's root scope. Only set the src_root variable if the
// passed src_root value is not empty.
//
scope&
create_root (const dir_path& out_root, const dir_path& src_root);
// Bootstrap the project's root scope, the out part.
//
void
bootstrap_out (scope& root);
// Bootstrap the project's root scope, the src part. Return true if
// we loaded anything (which confirms the src_root is not bogus).
//
bool
bootstrap_src (scope& root);
// Create and bootstrap outer root scopes, if any. Loading is
// done by load_root_pre() below.
//
void
create_bootstrap_outer (scope& root);
// Create and bootstrap inner root scopes between root and base,
// if any. Return the innermost created root scope or root if
// none were created. Loading is done by load_root_pre() below.
//
scope&
create_bootstrap_inner (scope& root, const dir_path& out_base);
// Load project's root[-pre].build unless already loaded. Also
// make sure all outer root scopes are loaded prior to loading
// this root scope.
//
void
load_root_pre (scope& root);
list_value
import (scope& base, const name&, const location&);
}
#include <build/file.ixx>
#endif // BUILD_FILE
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