From d9b34adbc5ae1e9e23cf3641c72fd302e8c7790c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 16 Feb 2022 06:22:13 +0200
Subject: Add pre/post hooks to load_root()

---
 libbuild2/file.cxx | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'libbuild2/file.cxx')

diff --git a/libbuild2/file.cxx b/libbuild2/file.cxx
index d91bf73..d789d20 100644
--- a/libbuild2/file.cxx
+++ b/libbuild2/file.cxx
@@ -1506,7 +1506,9 @@ namespace build2
   }
 
   void
-  load_root (scope& root)
+  load_root (scope& root,
+             const function<void (parser&)>& pre,
+             const function<void (parser&)>& post)
   {
     tracer trace ("load_root");
 
@@ -1576,10 +1578,22 @@ namespace build2
     //
     parser p (ctx, load_stage::root);
 
+    if (pre != nullptr)
+    {
+      pre (p);
+      p.reset ();
+    }
+
     if (he) {source_hooks (p, root, hd, true  /* pre */); p.reset ();}
     if (fe) {source_once (p, root, root, f, root);}
     if (he) {p.reset (); source_hooks (p, root, hd, false /* pre */);}
 
+    if (post != nullptr)
+    {
+      p.reset ();
+      post (p);
+    }
+
     // Finish off initializing bootstrapped modules (after mode).
     //
     {
-- 
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