diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb.hh | 196 |
1 files changed, 12 insertions, 184 deletions
diff --git a/thirdparty/harfbuzz/src/hb.hh b/thirdparty/harfbuzz/src/hb.hh index 274a0e98db..18516581c7 100644 --- a/thirdparty/harfbuzz/src/hb.hh +++ b/thirdparty/harfbuzz/src/hb.hh @@ -62,7 +62,6 @@ /* Error. Should never happen. */ #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR -#pragma GCC diagnostic error "-Wc++11-narrowing" #pragma GCC diagnostic error "-Wcast-align" #pragma GCC diagnostic error "-Wcast-function-type" #pragma GCC diagnostic error "-Wdelete-non-virtual-dtor" @@ -75,6 +74,7 @@ #pragma GCC diagnostic error "-Wmissing-braces" #pragma GCC diagnostic error "-Wmissing-declarations" #pragma GCC diagnostic error "-Wmissing-prototypes" +#pragma GCC diagnostic error "-Wnarrowing" #pragma GCC diagnostic error "-Wnested-externs" #pragma GCC diagnostic error "-Wold-style-definition" #pragma GCC diagnostic error "-Wpointer-arith" @@ -126,6 +126,7 @@ #pragma GCC diagnostic ignored "-Wformat-zero-length" #pragma GCC diagnostic ignored "-Wmissing-field-initializers" #pragma GCC diagnostic ignored "-Wpacked" // Erratic impl in clang +#pragma GCC diagnostic ignored "-Wrange-loop-analysis" // https://github.com/harfbuzz/harfbuzz/issues/2834 #pragma GCC diagnostic ignored "-Wstrict-aliasing" #pragma GCC diagnostic ignored "-Wtype-limits" #pragma GCC diagnostic ignored "-Wc++11-compat" // only gcc raises it @@ -175,15 +176,15 @@ #include "hb-aat.h" #define HB_AAT_H_IN -#include <limits.h> -#include <math.h> -#include <float.h> -#include <stdlib.h> -#include <stddef.h> -#include <string.h> -#include <assert.h> -#include <stdio.h> -#include <stdarg.h> +#include <cassert> +#include <cfloat> +#include <climits> +#include <cmath> +#include <cstdarg> +#include <cstddef> +#include <cstdio> +#include <cstdlib> +#include <cstring> #if (defined(_MSC_VER) && _MSC_VER >= 1500) || defined(__MINGW32__) #ifdef __MINGW32_VERSION @@ -244,12 +245,8 @@ extern "C" void hb_free_impl(void *ptr); #endif #if defined(__GNUC__) && (__GNUC__ >= 3) -#define HB_PURE_FUNC __attribute__((pure)) -#define HB_CONST_FUNC __attribute__((const)) #define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx))) #else -#define HB_PURE_FUNC -#define HB_CONST_FUNC #define HB_PRINTF_FUNC(format_idx, arg_idx) #endif #if defined(__GNUC__) && (__GNUC__ >= 4) || (__clang__) @@ -394,7 +391,7 @@ extern "C" void hb_free_impl(void *ptr); #endif #ifndef HB_NO_ERRNO -# include <errno.h> +# include <cerrno> #else static int HB_UNUSED _hb_errno = 0; # undef errno @@ -440,181 +437,12 @@ static int HB_UNUSED _hb_errno = 0; #define HB_STMT_START do #define HB_STMT_END while (0) -/* Static-assert as expression. */ -template <unsigned int cond> class hb_assert_constant_t; -template <> class hb_assert_constant_t<1> {}; -#define ASSERT_STATIC_EXPR_ZERO(_cond) (0 * (unsigned int) sizeof (hb_assert_constant_t<_cond>)) - /* Lets assert int types. Saves trouble down the road. */ -static_assert ((sizeof (int8_t) == 1), ""); -static_assert ((sizeof (uint8_t) == 1), ""); -static_assert ((sizeof (int16_t) == 2), ""); -static_assert ((sizeof (uint16_t) == 2), ""); -static_assert ((sizeof (int32_t) == 4), ""); -static_assert ((sizeof (uint32_t) == 4), ""); -static_assert ((sizeof (int64_t) == 8), ""); -static_assert ((sizeof (uint64_t) == 8), ""); static_assert ((sizeof (hb_codepoint_t) == 4), ""); static_assert ((sizeof (hb_position_t) == 4), ""); static_assert ((sizeof (hb_mask_t) == 4), ""); static_assert ((sizeof (hb_var_int_t) == 4), ""); -#define HB_DELETE_COPY_ASSIGN(TypeName) \ - TypeName(const TypeName&) = delete; \ - void operator=(const TypeName&) = delete -#define HB_DELETE_CREATE_COPY_ASSIGN(TypeName) \ - TypeName() = delete; \ - TypeName(const TypeName&) = delete; \ - void operator=(const TypeName&) = delete - - -/* Flags */ - -/* Enable bitwise ops on enums marked as flags_t */ -/* To my surprise, looks like the function resolver is happy to silently cast - * one enum to another... So this doesn't provide the type-checking that I - * originally had in mind... :(. - * - * For MSVC warnings, see: https://github.com/harfbuzz/harfbuzz/pull/163 - */ -#ifdef _MSC_VER -# pragma warning(disable:4200) -# pragma warning(disable:4800) -#endif -#define HB_MARK_AS_FLAG_T(T) \ - extern "C++" { \ - static inline T operator | (T l, T r) { return T ((unsigned) l | (unsigned) r); } \ - static inline T operator & (T l, T r) { return T ((unsigned) l & (unsigned) r); } \ - static inline T operator ^ (T l, T r) { return T ((unsigned) l ^ (unsigned) r); } \ - static inline T operator ~ (T r) { return T (~(unsigned int) r); } \ - static inline T& operator |= (T &l, T r) { l = l | r; return l; } \ - static inline T& operator &= (T& l, T r) { l = l & r; return l; } \ - static inline T& operator ^= (T& l, T r) { l = l ^ r; return l; } \ - } \ - static_assert (true, "") - -/* Useful for set-operations on small enums. - * For example, for testing "x ∈ {x1, x2, x3}" use: - * (FLAG_UNSAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3))) - */ -#define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((unsigned)(x) < 32) + (((uint32_t) 1U) << (unsigned)(x))) -#define FLAG_UNSAFE(x) ((unsigned)(x) < 32 ? (((uint32_t) 1U) << (unsigned)(x)) : 0) -#define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x)) -#define FLAG64(x) (ASSERT_STATIC_EXPR_ZERO ((unsigned)(x) < 64) + (((uint64_t) 1ULL) << (unsigned)(x))) -#define FLAG64_UNSAFE(x) ((unsigned)(x) < 64 ? (((uint64_t) 1ULL) << (unsigned)(x)) : 0) - - -/* Size signifying variable-sized array */ -#ifndef HB_VAR_ARRAY -#define HB_VAR_ARRAY 1 -#endif - -static inline float -_hb_roundf (float x) { return floorf (x + .5f); } -#define roundf(x) _hb_roundf(x) - -/* Endian swap, used in Windows related backends */ -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); } - -/* - * Big-endian integers. Here because fundamental. - */ - -template <typename Type, int Bytes> struct BEInt; - -template <typename Type> -struct BEInt<Type, 1> -{ - public: - BEInt<Type, 1>& operator = (Type V) - { - v = V; - return *this; - } - operator Type () const { return v; } - private: uint8_t v; -}; -template <typename Type> -struct BEInt<Type, 2> -{ - public: - BEInt<Type, 2>& operator = (Type V) - { - v[0] = (V >> 8) & 0xFF; - v[1] = (V ) & 0xFF; - return *this; - } - operator Type () const - { -#if ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \ - defined(__BYTE_ORDER) && \ - (__BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __BIG_ENDIAN) - /* Spoon-feed the compiler a big-endian integer with alignment 1. - * https://github.com/harfbuzz/harfbuzz/pull/1398 */ - struct __attribute__((packed)) packed_uint16_t { uint16_t v; }; -#if __BYTE_ORDER == __LITTLE_ENDIAN - return __builtin_bswap16 (((packed_uint16_t *) this)->v); -#else /* __BYTE_ORDER == __BIG_ENDIAN */ - return ((packed_uint16_t *) this)->v; -#endif -#endif - return (v[0] << 8) - + (v[1] ); - } - private: uint8_t v[2]; -}; -template <typename Type> -struct BEInt<Type, 3> -{ - public: - BEInt<Type, 3>& operator = (Type V) - { - v[0] = (V >> 16) & 0xFF; - v[1] = (V >> 8) & 0xFF; - v[2] = (V ) & 0xFF; - return *this; - } - operator Type () const - { - return (v[0] << 16) - + (v[1] << 8) - + (v[2] ); - } - private: uint8_t v[3]; -}; -template <typename Type> -struct BEInt<Type, 4> -{ - public: - BEInt<Type, 4>& operator = (Type V) - { - v[0] = (V >> 24) & 0xFF; - v[1] = (V >> 16) & 0xFF; - v[2] = (V >> 8) & 0xFF; - v[3] = (V ) & 0xFF; - return *this; - } - operator Type () const - { - return (v[0] << 24) - + (v[1] << 16) - + (v[2] << 8) - + (v[3] ); - } - private: uint8_t v[4]; -}; - - -/* - * For lack of a better place, put Zawgyi script hack here. - * https://github.com/harfbuzz/harfbuzz/issues/1162 - */ - -#define HB_SCRIPT_MYANMAR_ZAWGYI ((hb_script_t) HB_TAG ('Q','a','a','g')) - /* Headers we include for everyone. Keep topologically sorted by dependency. * They express dependency amongst themselves, but no other file should include |