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[arabic] Free up buffer variable earlier

This commit is contained in:
Behdad Esfahbod 2022-06-04 06:50:38 -06:00
parent 0c3d8c0d0f
commit d4dfb8c1f1
1 changed files with 9 additions and 2 deletions
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11
src/hb-ot-shaper-arabic.cc
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@ -171,6 +171,14 @@ record_stch (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer);
static void
deallocate_buffer_var (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer)
{
HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
}
static void
collect_features_arabic (hb_ot_shape_planner_t *plan)
{
@ -213,6 +221,7 @@ collect_features_arabic (hb_ot_shape_planner_t *plan)
map->add_feature (arabic_features[i], has_fallback ? F_HAS_FALLBACK : F_NONE);
map->add_gsub_pause (nullptr);
}
map->add_gsub_pause (deallocate_buffer_var);
/* Normally, Unicode says a ZWNJ means "don't ligate". In Arabic script
* however, it says a ZWJ should also mean "don't ligate". So we run
@ -619,8 +628,6 @@ postprocess_glyphs_arabic (const hb_ot_shape_plan_t *plan,
hb_font_t *font)
{
apply_stch (plan, buffer, font);
HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
}
/* https://www.unicode.org/reports/tr53/ */