Add assertions for a couple programmer errors
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@ -27,6 +27,7 @@
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#include "hb-shape-plan-private.hh"
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#include "hb-shaper-private.hh"
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#include "hb-font-private.hh"
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#include "hb-buffer-private.hh"
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#define HB_SHAPER_IMPLEMENT(shaper) \
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HB_SHAPER_DATA_ENSURE_DECLARE(shaper, face) \
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@ -178,9 +179,14 @@ hb_shape_plan_execute (hb_shape_plan_t *shape_plan,
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const hb_feature_t *features,
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unsigned int num_features)
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{
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if (unlikely (shape_plan->face != font->face))
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if (unlikely (hb_object_is_inert (shape_plan) ||
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hb_object_is_inert (font) ||
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hb_object_is_inert (buffer)))
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return false;
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assert (shape_plan->face == font->face);
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assert (hb_segment_properties_equal (&shape_plan->props, &buffer->props));
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#define HB_SHAPER_EXECUTE(shaper) \
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HB_STMT_START { \
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return HB_SHAPER_DATA (shaper, shape_plan) && \
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