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-rw-r--r--libbuild2/file.hxx22
1 files changed, 16 insertions, 6 deletions
diff --git a/libbuild2/file.hxx b/libbuild2/file.hxx
index 2ca72b1..b44efb6 100644
--- a/libbuild2/file.hxx
+++ b/libbuild2/file.hxx
@@ -67,6 +67,15 @@ namespace build2
LIBBUILD2_SYMEXPORT pair<dir_path, bool>
find_out_root (const dir_path&, optional<bool>& altn);
+ // Project's loading stage during which the parsing is performed.
+ //
+ enum class load_stage
+ {
+ boot, // Loading bootstrap.build (or bootstrap pre/post hooks).
+ root, // Loading root.build (or root pre/post hooks).
+ rest // Loading the rest (ordinary buildfiles, command line, etc).
+ };
+
// If buildfile is '-', then read from STDIN.
//
LIBBUILD2_SYMEXPORT void
@@ -82,7 +91,7 @@ namespace build2
// stdin that requires parse_variable()).
//
LIBBUILD2_SYMEXPORT void
- source (scope& root, scope& base, lexer&);
+ source (scope& root, scope& base, lexer&, load_stage = load_stage::rest);
// As above but first check if this buildfile has already been sourced for
// the base scope. Return false if the file has already been sourced.
@@ -115,13 +124,14 @@ namespace build2
const dir_path& out_base,
const dir_path& src_base);
- // Return a scope for the specified directory (first). Note that switching
- // to this scope might also involve switch to a new root scope (second) if
- // the new scope is in another project. If the new scope is not in any
- // project, then NULL is returned in second.
+ // Return a scope for the specified directory (first). If project is true
+ // then switching to this scope might also involve switch to a new root
+ // scope (second) if the new scope is in another project. If project is
+ // false or the new scope is not in any project, then NULL is returned in
+ // second.
//
LIBBUILD2_SYMEXPORT pair<scope&, scope*>
- switch_scope (scope& root, const dir_path&);
+ switch_scope (scope& root, const dir_path&, bool project = true);
// Bootstrap and optionally load an ad hoc (sub)project (i.e., the kind that
// is not discovered and loaded automatically by bootstrap/load functions