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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-dispatch.hh6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-dispatch.hh b/src/3rdparty/harfbuzz-ng/src/hb-dispatch.hh
index 1ce3fac936..37ca681465 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-dispatch.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-dispatch.hh
@@ -35,7 +35,7 @@
* Dispatch
*/
-template <typename Context, typename Return, unsigned int MaxDebugDepth>
+template <typename Context, typename Return=hb_empty_t, unsigned int MaxDebugDepth=0>
struct hb_dispatch_context_t
{
private:
@@ -43,15 +43,17 @@ struct hb_dispatch_context_t
const Context* thiz () const { return static_cast<const Context *> (this); }
Context* thiz () { return static_cast< Context *> (this); }
public:
+ const char *get_name () { return "UNKNOWN"; }
static constexpr unsigned max_debug_depth = MaxDebugDepth;
typedef Return return_t;
template <typename T, typename F>
bool may_dispatch (const T *obj HB_UNUSED, const F *format HB_UNUSED) { return true; }
template <typename T, typename ...Ts>
return_t dispatch (const T &obj, Ts&&... ds)
- { return obj.dispatch (thiz (), hb_forward<Ts> (ds)...); }
+ { return obj.dispatch (thiz (), std::forward<Ts> (ds)...); }
static return_t no_dispatch_return_value () { return Context::default_return_value (); }
static bool stop_sublookup_iteration (const return_t r HB_UNUSED) { return false; }
+ unsigned debug_depth = 0;
};