--- /dev/null	2017-11-27 08:18:04.892800051 -0800
+++ new/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-debug.hh	2017-11-30 10:47:17.185457964 -0800
@@ -0,0 +1,419 @@
+/*
+ * Copyright © 2017  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#ifndef HB_DEBUG_HH
+#define HB_DEBUG_HH
+
+#include "hb-private.hh"
+
+
+#ifndef HB_DEBUG
+#define HB_DEBUG 0
+#endif
+
+static inline bool
+_hb_debug (unsigned int level,
+           unsigned int max_level)
+{
+  return level < max_level;
+}
+
+#define DEBUG_LEVEL_ENABLED(WHAT, LEVEL) (_hb_debug ((LEVEL), HB_DEBUG_##WHAT))
+#define DEBUG_ENABLED(WHAT) (DEBUG_LEVEL_ENABLED (WHAT, 0))
+
+static inline void
+_hb_print_func (const char *func)
+{
+  if (func)
+  {
+    unsigned int func_len = strlen (func);
+    /* Skip "static" */
+    if (0 == strncmp (func, "static ", 7))
+      func += 7;
+    /* Skip "typename" */
+    if (0 == strncmp (func, "typename ", 9))
+      func += 9;
+    /* Skip return type */
+    const char *space = strchr (func, ' ');
+    if (space)
+      func = space + 1;
+    /* Skip parameter list */
+    const char *paren = strchr (func, '(');
+    if (paren)
+      func_len = paren - func;
+    fprintf (stderr, "%.*s", func_len, func);
+  }
+}
+
+template <int max_level> static inline void
+_hb_debug_msg_va (const char *what,
+                  const void *obj,
+                  const char *func,
+                  bool indented,
+                  unsigned int level,
+                  int level_dir,
+                  const char *message,
+                  va_list ap) HB_PRINTF_FUNC(7, 0);
+template <int max_level> static inline void
+_hb_debug_msg_va (const char *what,
+                  const void *obj,
+                  const char *func,
+                  bool indented,
+                  unsigned int level,
+                  int level_dir,
+                  const char *message,
+                  va_list ap)
+{
+  if (!_hb_debug (level, max_level))
+    return;
+
+  fprintf (stderr, "%-10s", what ? what : "");
+
+  if (obj)
+    fprintf (stderr, "(%0*lx) ", (unsigned int) (2 * sizeof (void *)), (unsigned long) obj);
+  else
+    fprintf (stderr, " %*s  ", (unsigned int) (2 * sizeof (void *)), "");
+
+  if (indented) {
+#define VBAR    "\342\224\202"  /* U+2502 BOX DRAWINGS LIGHT VERTICAL */
+#define VRBAR   "\342\224\234"  /* U+251C BOX DRAWINGS LIGHT VERTICAL AND RIGHT */
+#define DLBAR   "\342\225\256"  /* U+256E BOX DRAWINGS LIGHT ARC DOWN AND LEFT */
+#define ULBAR   "\342\225\257"  /* U+256F BOX DRAWINGS LIGHT ARC UP AND LEFT */
+#define LBAR    "\342\225\264"  /* U+2574 BOX DRAWINGS LIGHT LEFT */
+    static const char bars[] =
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR
+      VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR;
+    fprintf (stderr, "%2u %s" VRBAR "%s",
+             level,
+             bars + sizeof (bars) - 1 - MIN ((unsigned int) sizeof (bars) - 1, (unsigned int) (sizeof (VBAR) - 1) * level),
+             level_dir ? (level_dir > 0 ? DLBAR : ULBAR) : LBAR);
+  } else
+    fprintf (stderr, "   " VRBAR LBAR);
+
+  _hb_print_func (func);
+
+  if (message)
+  {
+    fprintf (stderr, ": ");
+    vfprintf (stderr, message, ap);
+  }
+
+  fprintf (stderr, "\n");
+}
+template <> inline void
+_hb_debug_msg_va<0> (const char *what HB_UNUSED,
+                     const void *obj HB_UNUSED,
+                     const char *func HB_UNUSED,
+                     bool indented HB_UNUSED,
+                     unsigned int level HB_UNUSED,
+                     int level_dir HB_UNUSED,
+                     const char *message HB_UNUSED,
+                     va_list ap HB_UNUSED) {}
+
+template <int max_level> static inline void
+_hb_debug_msg (const char *what,
+               const void *obj,
+               const char *func,
+               bool indented,
+               unsigned int level,
+               int level_dir,
+               const char *message,
+               ...) HB_PRINTF_FUNC(7, 8);
+template <int max_level> static inline void
+_hb_debug_msg (const char *what,
+               const void *obj,
+               const char *func,
+               bool indented,
+               unsigned int level,
+               int level_dir,
+               const char *message,
+               ...)
+{
+  va_list ap;
+  va_start (ap, message);
+  _hb_debug_msg_va<max_level> (what, obj, func, indented, level, level_dir, message, ap);
+  va_end (ap);
+}
+template <> inline void
+_hb_debug_msg<0> (const char *what HB_UNUSED,
+                  const void *obj HB_UNUSED,
+                  const char *func HB_UNUSED,
+                  bool indented HB_UNUSED,
+                  unsigned int level HB_UNUSED,
+                  int level_dir HB_UNUSED,
+                  const char *message HB_UNUSED,
+                  ...) HB_PRINTF_FUNC(7, 8);
+template <> inline void
+_hb_debug_msg<0> (const char *what HB_UNUSED,
+                  const void *obj HB_UNUSED,
+                  const char *func HB_UNUSED,
+                  bool indented HB_UNUSED,
+                  unsigned int level HB_UNUSED,
+                  int level_dir HB_UNUSED,
+                  const char *message HB_UNUSED,
+                  ...) {}
+
+#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, LEVEL_DIR, ...)       _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    true, (LEVEL), (LEVEL_DIR), __VA_ARGS__)
+#define DEBUG_MSG(WHAT, OBJ, ...)                               _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), nullptr,    false, 0, 0, __VA_ARGS__)
+#define DEBUG_MSG_FUNC(WHAT, OBJ, ...)                          _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), HB_FUNC, false, 0, 0, __VA_ARGS__)
+
+
+/*
+ * Printer
+ */
+
+template <typename T>
+struct hb_printer_t {
+  const char *print (const T&) { return "something"; }
+};
+
+template <>
+struct hb_printer_t<bool> {
+  const char *print (bool v) { return v ? "true" : "false"; }
+};
+
+template <>
+struct hb_printer_t<hb_void_t> {
+  const char *print (hb_void_t) { return ""; }
+};
+
+
+/*
+ * Trace
+ */
+
+template <typename T>
+static inline void _hb_warn_no_return (bool returned)
+{
+  if (unlikely (!returned)) {
+    fprintf (stderr, "OUCH, returned with no call to return_trace().  This is a bug, please report.\n");
+  }
+}
+template <>
+/*static*/ inline void _hb_warn_no_return<hb_void_t> (bool returned HB_UNUSED)
+{}
+
+template <int max_level, typename ret_t>
+struct hb_auto_trace_t {
+  explicit inline hb_auto_trace_t (unsigned int *plevel_,
+                                   const char *what_,
+                                   const void *obj_,
+                                   const char *func,
+                                   const char *message,
+                                   ...) : plevel (plevel_), what (what_), obj (obj_), returned (false)
+  {
+    if (plevel) ++*plevel;
+
+    va_list ap;
+    va_start (ap, message);
+    _hb_debug_msg_va<max_level> (what, obj, func, true, plevel ? *plevel : 0, +1, message, ap);
+    va_end (ap);
+  }
+  inline ~hb_auto_trace_t (void)
+  {
+    _hb_warn_no_return<ret_t> (returned);
+    if (!returned) {
+      _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1, " ");
+    }
+    if (plevel) --*plevel;
+  }
+
+  inline ret_t ret (ret_t v, unsigned int line = 0)
+  {
+    if (unlikely (returned)) {
+      fprintf (stderr, "OUCH, double calls to return_trace().  This is a bug, please report.\n");
+      return v;
+    }
+
+    _hb_debug_msg<max_level> (what, obj, nullptr, true, plevel ? *plevel : 1, -1,
+                              "return %s (line %d)",
+                              hb_printer_t<ret_t>().print (v), line);
+    if (plevel) --*plevel;
+    plevel = nullptr;
+    returned = true;
+    return v;
+  }
+
+  private:
+  unsigned int *plevel;
+  const char *what;
+  const void *obj;
+  bool returned;
+};
+template <typename ret_t> /* Make sure we don't use hb_auto_trace_t when not tracing. */
+struct hb_auto_trace_t<0, ret_t>;
+
+/* For disabled tracing; optimize out everything.
+ * https://github.com/behdad/harfbuzz/pull/605 */
+template <typename ret_t>
+struct hb_no_trace_t {
+  inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; }
+};
+
+#define return_trace(RET) return trace.ret (RET, __LINE__)
+
+
+/*
+ * Instances.
+ */
+
+#ifndef HB_DEBUG_ARABIC
+#define HB_DEBUG_ARABIC (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_BLOB
+#define HB_DEBUG_BLOB (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_CORETEXT
+#define HB_DEBUG_CORETEXT (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_DIRECTWRITE
+#define HB_DEBUG_DIRECTWRITE (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_FT
+#define HB_DEBUG_FT (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_GET_COVERAGE
+#define HB_DEBUG_GET_COVERAGE (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_OBJECT
+#define HB_DEBUG_OBJECT (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_SHAPE_PLAN
+#define HB_DEBUG_SHAPE_PLAN (HB_DEBUG+0)
+#endif
+
+#ifndef HB_DEBUG_UNISCRIBE
+#define HB_DEBUG_UNISCRIBE (HB_DEBUG+0)
+#endif
+
+/*
+ * With tracing.
+ */
+
+#ifndef HB_DEBUG_APPLY
+#define HB_DEBUG_APPLY (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_APPLY
+#define TRACE_APPLY(this) \
+        hb_auto_trace_t<HB_DEBUG_APPLY, bool> trace \
+        (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+         "idx %d gid %u lookup %d", \
+         c->buffer->idx, c->buffer->cur().codepoint, (int) c->lookup_index)
+#else
+#define TRACE_APPLY(this) hb_no_trace_t<bool> trace
+#endif
+
+#ifndef HB_DEBUG_CLOSURE
+#define HB_DEBUG_CLOSURE (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_CLOSURE
+#define TRACE_CLOSURE(this) \
+        hb_auto_trace_t<HB_DEBUG_CLOSURE, hb_void_t> trace \
+        (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+         "")
+#else
+#define TRACE_CLOSURE(this) hb_no_trace_t<hb_void_t> trace HB_UNUSED
+#endif
+
+#ifndef HB_DEBUG_COLLECT_GLYPHS
+#define HB_DEBUG_COLLECT_GLYPHS (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_COLLECT_GLYPHS
+#define TRACE_COLLECT_GLYPHS(this) \
+        hb_auto_trace_t<HB_DEBUG_COLLECT_GLYPHS, hb_void_t> trace \
+        (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+         "")
+#else
+#define TRACE_COLLECT_GLYPHS(this) hb_no_trace_t<hb_void_t> trace HB_UNUSED
+#endif
+
+#ifndef HB_DEBUG_SANITIZE
+#define HB_DEBUG_SANITIZE (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_SANITIZE
+#define TRACE_SANITIZE(this) \
+        hb_auto_trace_t<HB_DEBUG_SANITIZE, bool> trace \
+        (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+         "");
+#else
+#define TRACE_SANITIZE(this) hb_no_trace_t<bool> trace
+#endif
+
+#ifndef HB_DEBUG_SERIALIZE
+#define HB_DEBUG_SERIALIZE (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_SERIALIZE
+#define TRACE_SERIALIZE(this) \
+        hb_auto_trace_t<HB_DEBUG_SERIALIZE, bool> trace \
+        (&c->debug_depth, "SERIALIZE", c, HB_FUNC, \
+         "");
+#else
+#define TRACE_SERIALIZE(this) hb_no_trace_t<bool> trace
+#endif
+
+#ifndef HB_DEBUG_WOULD_APPLY
+#define HB_DEBUG_WOULD_APPLY (HB_DEBUG+0)
+#endif
+#if HB_DEBUG_WOULD_APPLY
+#define TRACE_WOULD_APPLY(this) \
+        hb_auto_trace_t<HB_DEBUG_WOULD_APPLY, bool> trace \
+        (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+         "%d glyphs", c->len);
+#else
+#define TRACE_WOULD_APPLY(this) hb_no_trace_t<bool> trace
+#endif
+
+#ifndef HB_DEBUG_DISPATCH
+#define HB_DEBUG_DISPATCH ( \
+        HB_DEBUG_APPLY + \
+        HB_DEBUG_CLOSURE + \
+        HB_DEBUG_COLLECT_GLYPHS + \
+        HB_DEBUG_SANITIZE + \
+        HB_DEBUG_SERIALIZE + \
+        HB_DEBUG_WOULD_APPLY + \
+        0)
+#endif
+#if HB_DEBUG_DISPATCH
+#define TRACE_DISPATCH(this, format) \
+        hb_auto_trace_t<context_t::max_debug_depth, typename context_t::return_t> trace \
+        (&c->debug_depth, c->get_name (), this, HB_FUNC, \
+         "format %d", (int) format);
+#else
+#define TRACE_DISPATCH(this, format) hb_no_trace_t<typename context_t::return_t> trace
+#endif
+
+
+#endif /* HB_DEBUG_HH */