Make sure gsubgpos buffer vars are available during fallback_position
Add buffer var allocation asserts to a few key places.
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index d94ac50..ae7daa6 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -420,6 +420,13 @@
}
static inline void
+_hb_buffer_assert_unicode_vars (hb_buffer_t *buffer)
+{
+ HB_BUFFER_ASSERT_VAR (buffer, unicode_props0);
+ HB_BUFFER_ASSERT_VAR (buffer, unicode_props1);
+}
+
+static inline void
_hb_buffer_allocate_gsubgpos_vars (hb_buffer_t *buffer)
{
HB_BUFFER_ALLOCATE_VAR (buffer, glyph_props);
@@ -435,6 +442,14 @@
HB_BUFFER_DEALLOCATE_VAR (buffer, glyph_props);
}
+static inline void
+_hb_buffer_assert_gsubgpos_vars (hb_buffer_t *buffer)
+{
+ HB_BUFFER_ASSERT_VAR (buffer, glyph_props);
+ HB_BUFFER_ASSERT_VAR (buffer, lig_props);
+ HB_BUFFER_ASSERT_VAR (buffer, syllable);
+}
+
/* Make sure no one directly touches our props... */
#undef unicode_props0
#undef unicode_props1
