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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-private.hh187
1 files changed, 106 insertions, 81 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-private.hh b/src/3rdparty/harfbuzz-ng/src/hb-private.hh
index 3a4cf611f0..06b24a80f8 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-private.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-private.hh
@@ -87,17 +87,13 @@
#endif
#ifndef HB_INTERNAL
-# ifndef __MINGW32__
+# if !defined(__MINGW32__) && !defined(__CYGWIN__)
# define HB_INTERNAL __attribute__((__visibility__("hidden")))
# else
# define HB_INTERNAL
# endif
#endif
-#if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER)
-#define snprintf _snprintf
-#endif
-
#if __GNUC__ >= 3
#define HB_FUNC __PRETTY_FUNCTION__
#elif defined(_MSC_VER)
@@ -106,15 +102,62 @@
#define HB_FUNC __func__
#endif
-// Take from https://github.com/behdad/harfbuzz/commit/26a963b9cb4af3119177f277a2d48a5d537458fb
-#if defined(_WIN32_WCE)
-/* Some things not defined on Windows CE. */
-#define MemoryBarrier()
-#define getenv(Name) NULL
-#define setlocale(Category, Locale) "C"
+#if defined(_WIN32) || defined(__CYGWIN__)
+ /* We need Windows Vista for both Uniscribe backend and for
+ * MemoryBarrier. We don't support compiling on Windows XP,
+ * though we run on it fine. */
+# if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
+# undef _WIN32_WINNT
+# endif
+# ifndef _WIN32_WINNT
+# define _WIN32_WINNT 0x0600
+# endif
+# ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN 1
+# endif
+# ifndef STRICT
+# define STRICT 1
+# endif
+
+# if defined(_WIN32_WCE)
+ /* Some things not defined on Windows CE. */
+# define getenv(Name) NULL
+# define setlocale(Category, Locale) "C"
static int errno = 0; /* Use something better? */
-#elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
-#define getenv(Name) NULL
+# elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
+# define getenv(Name) NULL
+# endif
+# if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER)
+# define snprintf _snprintf
+ /* Windows CE only has _strdup, while rest of Windows has both. */
+# define strdup _strdup
+# endif
+#endif
+
+#if HAVE_ATEXIT
+/* atexit() is only safe to be called from shared libraries on certain
+ * platforms. Whitelist.
+ * https://bugs.freedesktop.org/show_bug.cgi?id=82246 */
+# if defined(__linux) && defined(__GLIBC_PREREQ)
+# if __GLIBC_PREREQ(2,3)
+/* From atexit() manpage, it's safe with glibc 2.2.3 on Linux. */
+# define HB_USE_ATEXIT 1
+# endif
+# elif defined(_MSC_VER) || defined(__MINGW32__)
+/* For MSVC:
+ * http://msdn.microsoft.com/en-ca/library/tze57ck3.aspx
+ * http://msdn.microsoft.com/en-ca/library/zk17ww08.aspx
+ * mingw32 headers say atexit is safe to use in shared libraries.
+ */
+# define HB_USE_ATEXIT 1
+# elif defined(__ANDROID__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+/* This was fixed in Android NKD r8 or r8b:
+ * https://code.google.com/p/android/issues/detail?id=6455
+ * which introduced GCC 4.6:
+ * https://developer.android.com/tools/sdk/ndk/index.html
+ */
+# define HB_USE_ATEXIT 1
+# endif
#endif
/* Basics */
@@ -270,7 +313,7 @@ typedef int (*hb_compare_func_t) (const void *, const void *);
/* arrays and maps */
-#define HB_PREALLOCED_ARRAY_INIT {0}
+#define HB_PREALLOCED_ARRAY_INIT {0, 0, NULL}
template <typename Type, unsigned int StaticSize=16>
struct hb_prealloced_array_t
{
@@ -486,47 +529,6 @@ struct hb_lockable_set_t
};
-
-
-/* Big-endian handling */
-
-static inline uint16_t hb_be_uint16 (const uint16_t v)
-{
- const uint8_t *V = (const uint8_t *) &v;
- return (V[0] << 8) | V[1];
-}
-
-static inline uint16_t hb_uint16_swap (const uint16_t v)
-{
- return (v >> 8) | (v << 8);
-}
-
-static inline uint32_t hb_uint32_swap (const uint32_t v)
-{
- return (hb_uint16_swap (v) << 16) | hb_uint16_swap (v >> 16);
-}
-
-/* Note, of the following macros, uint16_get is the one called many many times.
- * If there is any optimizations to be done, it's in that macro. However, I
- * already confirmed that on my T400 ThinkPad at least, using bswap_16(), which
- * results in a single ror instruction, does NOT speed this up. In fact, it
- * resulted in a minor slowdown. At any rate, note that v may not be correctly
- * aligned, so I think the current implementation is optimal.
- */
-
-#define hb_be_uint16_put(v,V) HB_STMT_START { v[0] = (V>>8); v[1] = (V); } HB_STMT_END
-#define hb_be_uint16_get(v) (uint16_t) ((v[0] << 8) + v[1])
-#define hb_be_uint16_eq(a,b) (a[0] == b[0] && a[1] == b[1])
-
-#define hb_be_uint32_put(v,V) HB_STMT_START { v[0] = (V>>24); v[1] = (V>>16); v[2] = (V>>8); v[3] = (V); } HB_STMT_END
-#define hb_be_uint32_get(v) (uint32_t) ((v[0] << 24) + (v[1] << 16) + (v[2] << 8) + v[3])
-#define hb_be_uint32_eq(a,b) (a[0] == b[0] && a[1] == b[1] && a[2] == b[2] && a[3] == b[3])
-
-#define hb_be_uint24_put(v,V) HB_STMT_START { v[0] = (V>>16); v[1] = (V>>8); v[2] = (V); } HB_STMT_END
-#define hb_be_uint24_get(v) (uint32_t) ((v[0] << 16) + (v[1] << 8) + v[2])
-#define hb_be_uint24_eq(a,b) (a[0] == b[0] && a[1] == b[1] && a[2] == b[2])
-
-
/* ASCII tag/character handling */
static inline bool ISALPHA (unsigned char c)
@@ -571,6 +573,39 @@ _hb_debug (unsigned int 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,
@@ -607,27 +642,13 @@ _hb_debug_msg_va (const char *what,
} else
fprintf (stderr, " " VRBAR LBAR);
- if (func)
- {
- unsigned int func_len = strlen (func);
-#ifndef HB_DEBUG_VERBOSE
- /* 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;
-#endif
- fprintf (stderr, "%.*s: ", func_len, func);
- }
+ _hb_print_func (func);
if (message)
+ {
+ fprintf (stderr, ": ");
vfprintf (stderr, message, ap);
+ }
fprintf (stderr, "\n");
}
@@ -694,7 +715,9 @@ _hb_debug_msg<0> (const char *what HB_UNUSED,
*/
template <typename T>
-struct hb_printer_t {};
+struct hb_printer_t {
+ const char *print (const T&) { return "something"; }
+};
template <>
struct hb_printer_t<bool> {
@@ -797,11 +820,13 @@ hb_in_range (T u, T lo, T hi)
/* The sizeof() is here to force template instantiation.
* I'm sure there are better ways to do this but can't think of
* one right now. Declaring a variable won't work as HB_UNUSED
- * is unsable on some platforms and unused types are less likely
+ * is unusable on some platforms and unused types are less likely
* to generate a warning than unused variables. */
ASSERT_STATIC (sizeof (hb_assert_unsigned_t<T>) >= 0);
- return (u - lo) <= (hi - lo);
+ /* The casts below are important as if T is smaller than int,
+ * the subtract results will become a signed int! */
+ return (T)(u - lo) <= (T)(hi - lo);
}
template <typename T> static inline bool
@@ -825,7 +850,7 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
#define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x))
-template <typename T, typename T2> inline void
+template <typename T, typename T2> static inline void
hb_bubble_sort (T *array, unsigned int len, int(*compar)(const T *, const T *), T2 *array2)
{
if (unlikely (!len))
@@ -858,7 +883,7 @@ hb_bubble_sort (T *array, unsigned int len, int(*compar)(const T *, const T *),
} while (k);
}
-template <typename T> inline void
+template <typename T> static inline void
hb_bubble_sort (T *array, unsigned int len, int(*compar)(const T *, const T *))
{
hb_bubble_sort (array, len, compar, (int *) NULL);
@@ -887,12 +912,12 @@ hb_codepoint_parse (const char *s, unsigned int len, int base, hb_codepoint_t *o
struct hb_options_t
{
- int initialized : 1;
- int uniscribe_bug_compatible : 1;
+ unsigned int initialized : 1;
+ unsigned int uniscribe_bug_compatible : 1;
};
union hb_options_union_t {
- int i;
+ unsigned int i;
hb_options_t opts;
};
ASSERT_STATIC (sizeof (int) == sizeof (hb_options_union_t));