From a9fb6a0c3cb1ffdbd6c18c8a4b1ad7a51ade2e1c Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaled@aliftype.com>
Date: Sun, 6 Jun 2021 14:40:50 +0200
Subject: [PATCH] [aat] Add start table/end table to buffer messages

Related to https://github.com/harfbuzz/harfbuzz/issues/3008
---
 src/hb-aat-layout.cc | 6 ++++++
 src/hb-ot-layout.cc  | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/src/hb-aat-layout.cc b/src/hb-aat-layout.cc
index 63f602855..e2d4de2cc 100644
--- a/src/hb-aat-layout.cc
+++ b/src/hb-aat-layout.cc
@@ -249,7 +249,9 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
   if (morx.has_data ())
   {
     AAT::hb_aat_apply_context_t c (plan, font, buffer, morx_blob);
+    if (!buffer->message (font, "start table morx")) return;
     morx.apply (&c);
+    (void) buffer->message (font, "end table morx");
     return;
   }
 
@@ -258,7 +260,9 @@ hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan,
   if (mort.has_data ())
   {
     AAT::hb_aat_apply_context_t c (plan, font, buffer, mort_blob);
+    if (!buffer->message (font, "start table mort")) return;
     mort.apply (&c);
+    (void) buffer->message (font, "end table mort");
     return;
   }
 }
@@ -314,8 +318,10 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan,
   const AAT::kerx& kerx = *kerx_blob->as<AAT::kerx> ();
 
   AAT::hb_aat_apply_context_t c (plan, font, buffer, kerx_blob);
+  if (!buffer->message (font, "start table kerx")) return;
   c.set_ankr_table (font->face->table.ankr.get ());
   kerx.apply (&c);
+  (void) buffer->message (font, "end table kerx");
 }
 
 
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 0f6728ca8..97d2971be 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -131,7 +131,9 @@ hb_ot_layout_kern (const hb_ot_shape_plan_t *plan,
 
   AAT::hb_aat_apply_context_t c (plan, font, buffer, blob);
 
+  if (!buffer->message (font, "start table kern")) return;
   kern.apply (&c);
+  (void) buffer->message (font, "end table kern");
 }
 #endif