diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb.hh | 329 |
1 files changed, 128 insertions, 201 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb.hh b/src/3rdparty/harfbuzz-ng/src/hb.hh index fcbd330588..972608d6a3 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb.hh @@ -29,7 +29,6 @@ #ifndef HB_HH #define HB_HH - #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC #ifdef _MSC_VER #pragma warning( disable: 4068 ) /* Unknown pragma */ @@ -62,9 +61,11 @@ /* Error. Should never happen. */ #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR -#pragma GCC diagnostic error "-Wc++11-narrowing" +#pragma GCC diagnostic error "-Wbitwise-instead-of-logical" #pragma GCC diagnostic error "-Wcast-align" #pragma GCC diagnostic error "-Wcast-function-type" +#pragma GCC diagnostic error "-Wconstant-conversion" +#pragma GCC diagnostic error "-Wcomma" #pragma GCC diagnostic error "-Wdelete-non-virtual-dtor" #pragma GCC diagnostic error "-Wembedded-directive" #pragma GCC diagnostic error "-Wextra-semi-stmt" @@ -75,6 +76,7 @@ #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" @@ -102,29 +104,36 @@ #pragma GCC diagnostic warning "-Wdisabled-optimization" #pragma GCC diagnostic warning "-Wdouble-promotion" #pragma GCC diagnostic warning "-Wformat=2" +#pragma GCC diagnostic warning "-Wformat-signedness" #pragma GCC diagnostic warning "-Wignored-pragma-optimize" #pragma GCC diagnostic warning "-Wlogical-op" #pragma GCC diagnostic warning "-Wmaybe-uninitialized" #pragma GCC diagnostic warning "-Wmissing-format-attribute" #pragma GCC diagnostic warning "-Wundef" +#pragma GCC diagnostic warning "-Wunsafe-loop-optimizations" +#pragma GCC diagnostic warning "-Wunused-but-set-variable" #endif /* Ignored currently, but should be fixed at some point. */ #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED #pragma GCC diagnostic ignored "-Wconversion" // TODO fix -#pragma GCC diagnostic ignored "-Wformat-signedness" // TODO fix #pragma GCC diagnostic ignored "-Wshadow" // TODO fix -#pragma GCC diagnostic ignored "-Wunsafe-loop-optimizations" // TODO fix #pragma GCC diagnostic ignored "-Wunused-parameter" // TODO fix +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic ignored "-Wunused-result" // TODO fix +#endif #endif /* Ignored intentionally. */ #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED #pragma GCC diagnostic ignored "-Wclass-memaccess" +#pragma GCC diagnostic ignored "-Wcast-function-type-strict" // https://github.com/harfbuzz/harfbuzz/pull/3859#issuecomment-1295409126 +#pragma GCC diagnostic ignored "-Wdangling-reference" // https://github.com/harfbuzz/harfbuzz/issues/4043 #pragma GCC diagnostic ignored "-Wformat-nonliteral" #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 @@ -135,6 +144,7 @@ #include "hb-config.hh" +#include "hb-limits.hh" /* @@ -174,44 +184,62 @@ #include "hb-aat.h" #define HB_AAT_H_IN -#include <limits.h> -#include <math.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> +#if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES) +# define _USE_MATH_DEFINES +#endif +#include <cmath> +#include <cstdarg> +#include <cstddef> +#include <cstdio> +#include <cstdlib> +#include <cstring> #if (defined(_MSC_VER) && _MSC_VER >= 1500) || defined(__MINGW32__) #ifdef __MINGW32_VERSION #ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN 1 #endif -#include <windows.h> #else #include <intrin.h> #endif #endif +#ifdef _WIN32 +#include <windows.h> +#include <winapifamily.h> +#endif + #define HB_PASTE1(a,b) a##b #define HB_PASTE(a,b) HB_PASTE1(a,b) /* Compile-time custom allocator support. */ -#if defined(hb_malloc_impl) \ - && defined(hb_calloc_impl) \ - && defined(hb_realloc_impl) \ - && defined(hb_free_impl) +#if !defined(HB_CUSTOM_MALLOC) \ + && defined(hb_malloc_impl) \ + && defined(hb_calloc_impl) \ + && defined(hb_realloc_impl) \ + && defined(hb_free_impl) +#define HB_CUSTOM_MALLOC +#endif + +#ifdef HB_CUSTOM_MALLOC extern "C" void* hb_malloc_impl(size_t size); extern "C" void* hb_calloc_impl(size_t nmemb, size_t size); extern "C" void* hb_realloc_impl(void *ptr, size_t size); extern "C" void hb_free_impl(void *ptr); -#define malloc hb_malloc_impl -#define calloc hb_calloc_impl -#define realloc hb_realloc_impl -#define free hb_free_impl +#define hb_malloc hb_malloc_impl +#define hb_calloc hb_calloc_impl +#define hb_realloc hb_realloc_impl +#define hb_free hb_free_impl +#else +#define hb_malloc malloc +#define hb_calloc calloc +#define hb_realloc realloc +#define hb_free free #endif @@ -219,9 +247,17 @@ extern "C" void hb_free_impl(void *ptr); * Compiler attributes */ -#if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__) -#define likely(expr) (__builtin_expect (!!(expr), 1)) -#define unlikely(expr) (__builtin_expect (!!(expr), 0)) +// gcc 10 has __has_builtin but not earlier versions. Sanction any gcc >= 5 +// clang defines it so no need. +#ifdef __has_builtin +#define hb_has_builtin __has_builtin +#else +#define hb_has_builtin(x) ((defined(__GNUC__) && __GNUC__ >= 5)) +#endif + +#if defined(__OPTIMIZE__) && hb_has_builtin(__builtin_expect) +#define likely(expr) __builtin_expect (bool(expr), 1) +#define unlikely(expr) __builtin_expect (bool(expr), 0) #else #define likely(expr) (expr) #define unlikely(expr) (expr) @@ -233,12 +269,8 @@ 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__) @@ -284,6 +316,14 @@ extern "C" void hb_free_impl(void *ptr); #define __restrict #endif +#ifndef HB_ALWAYS_INLINE +#if defined(_MSC_VER) +#define HB_ALWAYS_INLINE __forceinline +#else +#define HB_ALWAYS_INLINE __attribute__((always_inline)) inline +#endif +#endif + /* * Borrowed from https://bugzilla.mozilla.org/show_bug.cgi?id=1215411 * HB_FALLTHROUGH is an annotation to suppress compiler warnings about switch @@ -317,6 +357,17 @@ extern "C" void hb_free_impl(void *ptr); # define HB_FALLTHROUGH /* FALLTHROUGH */ #endif +/* A tag to enforce use of return value for a function */ +#if __cplusplus >= 201703L +# define HB_NODISCARD [[nodiscard]] +#elif defined(__GNUC__) || defined(__clang__) +# define HB_NODISCARD __attribute__((warn_unused_result)) +#elif defined(_MSC_VER) +# define HB_NODISCARD _Check_return_ +#else +# define HB_NODISCARD +#endif + /* https://github.com/harfbuzz/harfbuzz/issues/1852 */ #if defined(__clang__) && !(defined(_AIX) && (defined(__IBMCPP__) || defined(__ibmxl__))) /* Disable certain sanitizer errors. */ @@ -335,7 +386,7 @@ extern "C" void hb_free_impl(void *ptr); # undef _WIN32_WINNT # endif # ifndef _WIN32_WINNT -# if !defined(WINAPI_FAMILY) || !(WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP) +# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) # define _WIN32_WINNT 0x0600 # endif # endif @@ -356,7 +407,7 @@ extern "C" void hb_free_impl(void *ptr); # define HB_NO_SETLOCALE # define HB_NO_ERRNO # endif -# elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP) +# elif !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) # ifndef HB_NO_GETENV # define HB_NO_GETENV # endif @@ -371,13 +422,16 @@ 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 # define errno _hb_errno #endif +#define HB_STMT_START do +#define HB_STMT_END while (0) + #if defined(HAVE_ATEXIT) && !defined(HB_USE_ATEXIT) /* atexit() is only safe to be called from shared libraries on certain * platforms. Whitelist. @@ -406,201 +460,74 @@ static int HB_UNUSED _hb_errno = 0; */ # define HB_USE_ATEXIT 1 # endif -#endif +#endif /* defined(HAVE_ATEXIT) && !defined(HB_USE_ATEXIT) */ #ifdef HB_NO_ATEXIT # undef HB_USE_ATEXIT #endif #ifndef HB_USE_ATEXIT # define HB_USE_ATEXIT 0 #endif - -#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 +#ifndef hb_atexit +#if !HB_USE_ATEXIT +# define hb_atexit(_) HB_STMT_START { if (0) (_) (); } HB_STMT_END +#else /* HB_USE_ATEXIT */ +# ifdef HAVE_ATEXIT +# define hb_atexit atexit +# else + template <void (*function) (void)> struct hb_atexit_t { ~hb_atexit_t () { function (); } }; +# define hb_atexit(f) static hb_atexit_t<f> _hb_atexit_##__LINE__; +# endif +#endif +#endif -/* Flags */ +// Locale business -/* 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) +#if !defined(HB_NO_SETLOCALE) && (!defined(HAVE_NEWLOCALE) || !defined(HAVE_USELOCALE)) +#define HB_NO_SETLOCALE 1 +#endif +#ifndef HB_NO_SETLOCALE -/* Size signifying variable-sized array */ -#ifndef HB_VAR_ARRAY -#define HB_VAR_ARRAY 1 +#include <locale.h> +#ifdef HAVE_XLOCALE_H +#include <xlocale.h> // Needed on BSD/OS X for uselocale #endif -static inline double -_hb_roundf (float x) -{ - return x >= 0 ? floor ((double) x + .5) : ceil ((double) x - .5); -} -#ifndef HAVE_ROUNDF -#define roundf(x) _hb_roundf(x) +#ifdef WIN32 +#define hb_locale_t _locale_t +#else +#define hb_locale_t locale_t #endif +#define hb_setlocale setlocale +#define hb_uselocale uselocale -/* 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); } +#else -/* - * Big-endian integers. Here because fundamental. - */ +#define hb_locale_t void * +#define hb_setlocale(Category, Locale) "C" +#define hb_uselocale(Locale) ((hb_locale_t) 0) -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]; -}; +#endif -/* - * For lack of a better place, put Zawgyi script hack here. - * https://github.com/harfbuzz/harfbuzz/issues/1162 - */ +/* Lets assert int types. Saves trouble down the road. */ +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_SCRIPT_MYANMAR_ZAWGYI ((hb_script_t) HB_TAG ('Q','a','a','g')) +/* Pie time. */ +// https://github.com/harfbuzz/harfbuzz/issues/4166 +#define HB_PI 3.14159265358979f +#define HB_2_PI (2.f * HB_PI) /* Headers we include for everyone. Keep topologically sorted by dependency. * They express dependency amongst themselves, but no other file should include * them directly.*/ +#include "hb-cplusplus.hh" #include "hb-meta.hh" #include "hb-mutex.hh" #include "hb-number.hh" |