/* * 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.hh" #include "hb-atomic.hh" #include "hb-algs.hh" #ifndef HB_DEBUG #define HB_DEBUG … #endif /* * Global runtime options. */ struct hb_options_t { … }; hb_options_union_t; static_assert …; HB_INTERNAL void _hb_options_init (); extern HB_INTERNAL hb_atomic_int_t _hb_options; static inline hb_options_t hb_options () { … } /* * Debug output (needs enabling at compile time.) */ static inline bool _hb_debug (unsigned int level, unsigned int max_level) { … } #define DEBUG_LEVEL_ENABLED(WHAT, LEVEL) … #define DEBUG_ENABLED(WHAT) … static inline void _hb_print_func (const char *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) { … } template <> inline void HB_PRINTF_FUNC(7, 0) _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_PRINTF_FUNC(7, 8) _hb_debug_msg (const char *what, const void *obj, const char *func, bool indented, unsigned int level, int level_dir, const char *message, ...) { … } 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_PRINTF_FUNC(7, 8) _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, ...) … #define DEBUG_MSG(WHAT, OBJ, ...) … #define DEBUG_MSG_FUNC(WHAT, OBJ, ...) … /* * Printer */ template <typename T> struct hb_printer_t { … }; template <> struct hb_printer_t<bool> { … }; template <> struct hb_printer_t<hb_empty_t> { … }; /* * Trace */ template <typename T> static inline void _hb_warn_no_return (bool returned) { … } template <> /*static*/ inline void _hb_warn_no_return<hb_empty_t> (bool returned HB_UNUSED) { … } template <> /*static*/ inline void _hb_warn_no_return<void> (bool returned HB_UNUSED) { … } template <int max_level, typename ret_t> struct hb_auto_trace_t { … }; hb_auto_trace_t<0, ret_t>; /* For disabled tracing; optimize out everything. * https://github.com/harfbuzz/harfbuzz/pull/605 */ template <typename ret_t> struct hb_no_trace_t { … }; #define return_trace(RET) … /* * Instances. */ #ifndef HB_DEBUG_ARABIC #define HB_DEBUG_ARABIC … #endif #ifndef HB_DEBUG_BLOB #define HB_DEBUG_BLOB … #endif #ifndef HB_DEBUG_CORETEXT #define HB_DEBUG_CORETEXT … #endif #ifndef HB_DEBUG_DIRECTWRITE #define HB_DEBUG_DIRECTWRITE … #endif #ifndef HB_DEBUG_FT #define HB_DEBUG_FT … #endif #ifndef HB_DEBUG_JUSTIFY #define HB_DEBUG_JUSTIFY … #endif #ifndef HB_DEBUG_OBJECT #define HB_DEBUG_OBJECT … #endif #ifndef HB_DEBUG_SHAPE_PLAN #define HB_DEBUG_SHAPE_PLAN … #endif #ifndef HB_DEBUG_UNISCRIBE #define HB_DEBUG_UNISCRIBE … #endif #ifndef HB_DEBUG_WASM #define HB_DEBUG_WASM … #endif /* * With tracing. */ #ifndef HB_DEBUG_APPLY #define HB_DEBUG_APPLY … #endif #if HB_DEBUG_APPLY #define TRACE_APPLY … #else #define TRACE_APPLY(this) … #endif #ifndef HB_DEBUG_SANITIZE #define HB_DEBUG_SANITIZE … #endif #if HB_DEBUG_SANITIZE #define TRACE_SANITIZE … #else #define TRACE_SANITIZE(this) … #endif #ifndef HB_DEBUG_SERIALIZE #define HB_DEBUG_SERIALIZE … #endif #if HB_DEBUG_SERIALIZE #define TRACE_SERIALIZE … #else #define TRACE_SERIALIZE(this) … #endif #ifndef HB_DEBUG_SUBSET #define HB_DEBUG_SUBSET … #endif #if HB_DEBUG_SUBSET #define TRACE_SUBSET … #else #define TRACE_SUBSET(this) … #endif #ifndef HB_DEBUG_SUBSET_REPACK #define HB_DEBUG_SUBSET_REPACK … #endif #ifndef HB_DEBUG_PAINT #define HB_DEBUG_PAINT … #endif #if HB_DEBUG_PAINT #define TRACE_PAINT … #else #define TRACE_PAINT(this) … #endif #ifndef HB_DEBUG_DISPATCH #define HB_DEBUG_DISPATCH … #endif #if HB_DEBUG_DISPATCH #define TRACE_DISPATCH … #else #define TRACE_DISPATCH(this, format) … #endif #ifndef HB_BUFFER_MESSAGE_MORE #define HB_BUFFER_MESSAGE_MORE … #endif #endif /* HB_DEBUG_HH */
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