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zeroerr.hpp
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// ======================================================================
// == DO NOT MODIFY THIS FILE BY HAND - IT IS AUTO GENERATED BY CMAKE! ==
// ======================================================================
#pragma once
#define ZEROERR_VERSION_MAJOR 0
#define ZEROERR_VERSION_MINOR 3
#define ZEROERR_VERSION_PATCH 0
#define ZEROERR_VERSION \
(ZEROERR_VERSION_MAJOR * 10000 + ZEROERR_VERSION_MINOR * 100 + ZEROERR_VERSION_PATCH)
#define ZEROERR_STR(x) #x
#define ZEROERR_VERSION_STR_BUILDER(a, b, c) ZEROERR_STR(a) "." ZEROERR_STR(b) "." ZEROERR_STR(c)
#define ZEROERR_VERSION_STR \
ZEROERR_VERSION_STR_BUILDER(ZEROERR_VERSION_MAJOR, ZEROERR_VERSION_MINOR, ZEROERR_VERSION_PATCH)
// If you just wish to use the color without dynamic
// enable or disable it, you can uncomment the following line
// #define ZEROERR_ALWAYS_COLORFUL
// #define ZEROERR_DISABLE_COLORFUL
// If you wish to use the whole library without thread safety, uncomment the following line
// #define ZEROERR_NO_THREAD_SAFE
// If you wish to disable auto initialization of the system
// #define ZEROERR_DISABLE_AUTO_INIT
// If you didn't wish override operator<< for ostream, we can disable it
// #define ZEROERR_DISABLE_OSTREAM_OVERRIDE
// If you wish to disable AND, OR macro
// #define ZEROERR_DISABLE_COMPLEX_AND_OR
// If you wish ot disable BDD style macros
// #define ZEROERR_DISABLE_BDD
// Detect C++ standard with a cross-platform way
#ifdef _MSC_VER
#define ZEROERR_CPLUSPLUS _MSVC_LANG
#else
#define ZEROERR_CPLUSPLUS __cplusplus
#endif
#if ZEROERR_CPLUSPLUS >= 202300L
#define ZEROERR_CXX_STANDARD 23
#elif ZEROERR_CPLUSPLUS >= 202002L
#define ZEROERR_CXX_STANDARD 20
#elif ZEROERR_CPLUSPLUS >= 201703L
#define ZEROERR_CXX_STANDARD 17
#elif ZEROERR_CPLUSPLUS >= 201402L
#define ZEROERR_CXX_STANDARD 14
#elif ZEROERR_CPLUSPLUS >= 201103L
#define ZEROERR_CXX_STANDARD 11
#else
#error "Unsupported C++ standard detected. ZeroErr requires C++11 or later."
#endif
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#define ZEROERR_OS_UNIX
#if defined(__linux__)
#define ZEROERR_OS_LINUX
#endif
#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
#define ZEROERR_OS_WINDOWS
#else
#define ZEROERR_OS_UNKNOWN
#endif
#if defined(NDEBUG) && !defined(ZEROERR_ALWAYS_ASSERT)
// FIXME: we should safely remove the assert in IF statement
// #define ZEROERR_NO_ASSERT
#endif
// This is used for generating a unique name based on the file name and line number
#define ZEROERR_CAT_IMPL(s1, s2) s1##s2
#define ZEROERR_CAT(x, s) ZEROERR_CAT_IMPL(x, s)
// The following macros are used to check the arguments is empty or not
// from: https://gustedt.wordpress.com/2010/06/08/detect-empty-macro-arguments/
#define ZEROERR_ARG16(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, ...) _15
#define ZEROERR_HAS_COMMA(...) \
ZEROERR_ARG16(__VA_ARGS__, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0)
#define ZEROERR_TRIGGER_PARENTHESIS_(...) ,
#define ZEROERR_ISEMPTY(...) \
_ZEROERR_ISEMPTY(/* test if there is just one argument, eventually an empty \
one */ \
ZEROERR_HAS_COMMA(__VA_ARGS__), /* test if ZEROERR_TRIGGER_PARENTHESIS_ \
together with the argument adds a comma */ \
ZEROERR_HAS_COMMA(ZEROERR_TRIGGER_PARENTHESIS_ \
__VA_ARGS__), /* test if the argument together with \
a parenthesis adds a comma */ \
ZEROERR_HAS_COMMA(__VA_ARGS__( \
/*empty*/)), /* test if placing it between ZEROERR_TRIGGER_PARENTHESIS_ \
and the parenthesis adds a comma */ \
ZEROERR_HAS_COMMA(ZEROERR_TRIGGER_PARENTHESIS_ __VA_ARGS__(/*empty*/)))
#define ZEROERR_PASTE5(_0, _1, _2, _3, _4) _0##_1##_2##_3##_4
#define _ZEROERR_ISEMPTY(_0, _1, _2, _3) \
ZEROERR_HAS_COMMA(ZEROERR_PASTE5(_IS_EMPTY_CASE_, _0, _1, _2, _3))
#define _IS_EMPTY_CASE_0001 ,
// The counter is used to generate a unique name
#ifdef __COUNTER__
#define ZEROERR_NAMEGEN(x) ZEROERR_CAT(x, __COUNTER__)
#else // __COUNTER__
#define ZEROERR_NAMEGEN(x) ZEROERR_CAT(x, __LINE__)
#endif // __COUNTER__
#ifdef ZEROERR_OS_LINUX
#define ZEROERR_PERF
#endif
#ifdef ZEROERR_DISABLE_ASSERTS_RETURN_VALUES
#define ZEROERR_FUNC_SCOPE_BEGIN do
#define ZEROERR_FUNC_SCOPE_END while (0)
#define ZEROERR_FUNC_SCOPE_RET(v) (void)0
#else
#define ZEROERR_FUNC_SCOPE_BEGIN [&]
#define ZEROERR_FUNC_SCOPE_END ()
#define ZEROERR_FUNC_SCOPE_RET(v) return v
#endif
#ifndef ZEROERR_NO_SHORT_LOG_MACRO
#define ZEROERR_USE_SHORT_LOG_MACRO
#endif
#define ZEROERR_EXPAND(x) x
// =================================================================================================
// == COMPILER Detector ============================================================================
// =================================================================================================
#define ZEROERR_COMPILER(MAJOR, MINOR, PATCH) ((MAJOR) * 10000000 + (MINOR) * 100000 + (PATCH))
// GCC/Clang and GCC/MSVC are mutually exclusive, but Clang/MSVC are not because of clang-cl...
#if defined(_MSC_VER) && defined(_MSC_FULL_VER)
#if _MSC_VER == _MSC_FULL_VER / 10000
#define ZEROERR_MSVC ZEROERR_COMPILER(_MSC_VER / 100, _MSC_VER % 100, _MSC_FULL_VER % 10000)
#else // MSVC
#define ZEROERR_MSVC \
ZEROERR_COMPILER(_MSC_VER / 100, (_MSC_FULL_VER / 100000) % 100, _MSC_FULL_VER % 100000)
#endif // MSVC
#endif // MSVC
#if defined(__clang__) && defined(__clang_minor__) && defined(__clang_patchlevel__)
#define ZEROERR_CLANG ZEROERR_COMPILER(__clang_major__, __clang_minor__, __clang_patchlevel__)
#elif defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) && \
!defined(__INTEL_COMPILER)
#define ZEROERR_GCC ZEROERR_COMPILER(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
#endif // GCC
#if defined(__INTEL_COMPILER)
#define ZEROERR_ICC ZEROERR_COMPILER(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0)
#endif // ICC
#ifndef ZEROERR_MSVC
#define ZEROERR_MSVC 0
#endif // ZEROERR_MSVC
#ifndef ZEROERR_CLANG
#define ZEROERR_CLANG 0
#endif // ZEROERR_CLANG
#ifndef ZEROERR_GCC
#define ZEROERR_GCC 0
#endif // ZEROERR_GCC
#ifndef ZEROERR_ICC
#define ZEROERR_ICC 0
#endif // ZEROERR_ICC
// =================================================================================================
// == COMPILER WARNINGS HELPERS ====================================================================
// =================================================================================================
#if ZEROERR_CLANG && !ZEROERR_ICC
#define ZEROERR_PRAGMA_TO_STR(x) _Pragma(#x)
#define ZEROERR_CLANG_SUPPRESS_WARNING_PUSH _Pragma("clang diagnostic push")
#define ZEROERR_CLANG_SUPPRESS_WARNING(w) ZEROERR_PRAGMA_TO_STR(clang diagnostic ignored w)
#define ZEROERR_CLANG_SUPPRESS_WARNING_POP _Pragma("clang diagnostic pop")
#define ZEROERR_CLANG_SUPPRESS_WARNING_WITH_PUSH(w) \
ZEROERR_CLANG_SUPPRESS_WARNING_PUSH ZEROERR_CLANG_SUPPRESS_WARNING(w)
#else // ZEROERR_CLANG
#define ZEROERR_CLANG_SUPPRESS_WARNING_PUSH
#define ZEROERR_CLANG_SUPPRESS_WARNING(w)
#define ZEROERR_CLANG_SUPPRESS_WARNING_POP
#define ZEROERR_CLANG_SUPPRESS_WARNING_WITH_PUSH(w)
#endif // ZEROERR_CLANG
#if ZEROERR_GCC
#define ZEROERR_PRAGMA_TO_STR(x) _Pragma(#x)
#define ZEROERR_GCC_SUPPRESS_WARNING_PUSH _Pragma("GCC diagnostic push")
#define ZEROERR_GCC_SUPPRESS_WARNING(w) ZEROERR_PRAGMA_TO_STR(GCC diagnostic ignored w)
#define ZEROERR_GCC_SUPPRESS_WARNING_POP _Pragma("GCC diagnostic pop")
#define ZEROERR_GCC_SUPPRESS_WARNING_WITH_PUSH(w) \
ZEROERR_GCC_SUPPRESS_WARNING_PUSH ZEROERR_GCC_SUPPRESS_WARNING(w)
#else // ZEROERR_GCC
#define ZEROERR_GCC_SUPPRESS_WARNING_PUSH
#define ZEROERR_GCC_SUPPRESS_WARNING(w)
#define ZEROERR_GCC_SUPPRESS_WARNING_POP
#define ZEROERR_GCC_SUPPRESS_WARNING_WITH_PUSH(w)
#endif // ZEROERR_GCC
#if ZEROERR_MSVC
#define ZEROERR_MSVC_SUPPRESS_WARNING_PUSH __pragma(warning(push))
#define ZEROERR_MSVC_SUPPRESS_WARNING(w) __pragma(warning(disable : w))
#define ZEROERR_MSVC_SUPPRESS_WARNING_POP __pragma(warning(pop))
#define ZEROERR_MSVC_SUPPRESS_WARNING_WITH_PUSH(w) \
ZEROERR_MSVC_SUPPRESS_WARNING_PUSH ZEROERR_MSVC_SUPPRESS_WARNING(w)
#else // ZEROERR_MSVC
#define ZEROERR_MSVC_SUPPRESS_WARNING_PUSH
#define ZEROERR_MSVC_SUPPRESS_WARNING(w)
#define ZEROERR_MSVC_SUPPRESS_WARNING_POP
#define ZEROERR_MSVC_SUPPRESS_WARNING_WITH_PUSH(w)
#endif // ZEROERR_MSVC
// =================================================================================================
// == COMPILER WARNINGS ============================================================================
// =================================================================================================
// both the header and the implementation suppress all of these,
// so it only makes sense to aggregate them like so
#define ZEROERR_SUPPRESS_COMMON_WARNINGS_PUSH \
ZEROERR_CLANG_SUPPRESS_WARNING_PUSH \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wunknown-pragmas") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wweak-vtables") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wpadded") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wmissing-prototypes") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wc++98-compat") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic") \
\
ZEROERR_GCC_SUPPRESS_WARNING_PUSH \
ZEROERR_GCC_SUPPRESS_WARNING("-Wunknown-pragmas") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wpragmas") \
ZEROERR_GCC_SUPPRESS_WARNING("-Weffc++") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wstrict-overflow") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wstrict-aliasing") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wmissing-declarations") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wuseless-cast") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wnoexcept") \
\
ZEROERR_MSVC_SUPPRESS_WARNING_PUSH \
/* these 4 also disabled globally via cmake: */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4514) /* unreferenced inline function has been removed */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4571) /* SEH related */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4710) /* function not inlined */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4711) /* function selected for inline expansion*/ \
/* common ones */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4616) /* invalid compiler warning */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4619) /* invalid compiler warning */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4996) /* The compiler encountered a deprecated declaration */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4706) /* assignment within conditional expression */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4512) /* 'class' : assignment operator could not be generated */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4127) /* conditional expression is constant */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4820) /* padding */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4625) /* copy constructor was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4626) /* assignment operator was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5027) /* move assignment operator implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5026) /* move constructor was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4640) /* construction of local static object not thread-safe */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5045) /* Spectre mitigation for memory load */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5264) /* 'variable-name': 'const' variable is not used */ \
/* static analysis */ \
ZEROERR_MSVC_SUPPRESS_WARNING(26439) /* Function may not throw. Declare it 'noexcept' */ \
ZEROERR_MSVC_SUPPRESS_WARNING(26495) /* Always initialize a member variable */ \
ZEROERR_MSVC_SUPPRESS_WARNING(26451) /* Arithmetic overflow ... */ \
ZEROERR_MSVC_SUPPRESS_WARNING(26444) /* Avoid unnamed objects with custom ctor and dtor... */ \
ZEROERR_MSVC_SUPPRESS_WARNING(26812) /* Prefer 'enum class' over 'enum' */
#define ZEROERR_SUPPRESS_COMMON_WARNINGS_POP \
ZEROERR_CLANG_SUPPRESS_WARNING_POP \
ZEROERR_GCC_SUPPRESS_WARNING_POP \
ZEROERR_MSVC_SUPPRESS_WARNING_POP
#define ZEROERR_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN \
ZEROERR_MSVC_SUPPRESS_WARNING_PUSH \
ZEROERR_MSVC_SUPPRESS_WARNING(4548) /* before comma no effect; expected side - effect */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4265) /* virtual functions, but destructor is not virtual */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4986) /* exception specification does not match previous */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4350) /* 'member1' called instead of 'member2' */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4668) /* not defined as a preprocessor macro */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4365) /* signed/unsigned mismatch */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4774) /* format string not a string literal */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4820) /* padding */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4625) /* copy constructor was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4626) /* assignment operator was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5027) /* move assignment operator implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5026) /* move constructor was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4623) /* default constructor was implicitly deleted */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5039) /* pointer to pot. throwing function passed to extern C */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5045) /* Spectre mitigation for memory load */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5105) /* macro producing 'defined' has undefined behavior */ \
ZEROERR_MSVC_SUPPRESS_WARNING(4738) /* storing float result in memory, loss of performance */ \
ZEROERR_MSVC_SUPPRESS_WARNING(5262) /* implicit fall-through */
#define ZEROERR_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_END ZEROERR_MSVC_SUPPRESS_WARNING_POP
#define ZEROERR_SUPPRESS_VARIADIC_MACRO \
ZEROERR_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wgnu-zero-variadic-macro-arguments")
#define ZEROERR_SUPPRESS_VARIADIC_MACRO_POP ZEROERR_CLANG_SUPPRESS_WARNING_POP
#define ZEROERR_SUPPRESS_COMPARE \
ZEROERR_CLANG_SUPPRESS_WARNING_PUSH \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wsign-conversion") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wsign-compare") \
ZEROERR_CLANG_SUPPRESS_WARNING("-Wgnu-zero-variadic-macro-arguments") \
ZEROERR_GCC_SUPPRESS_WARNING_PUSH \
ZEROERR_GCC_SUPPRESS_WARNING("-Wsign-conversion") \
ZEROERR_GCC_SUPPRESS_WARNING("-Wsign-compare") \
ZEROERR_MSVC_SUPPRESS_WARNING_PUSH \
ZEROERR_MSVC_SUPPRESS_WARNING(4388) \
ZEROERR_MSVC_SUPPRESS_WARNING(4389) \
ZEROERR_MSVC_SUPPRESS_WARNING(4018)
#define ZEROERR_SUPPRESS_COMPARE_POP \
ZEROERR_CLANG_SUPPRESS_WARNING_POP ZEROERR_GCC_SUPPRESS_WARNING_POP \
ZEROERR_MSVC_SUPPRESS_WARNING_POP
/**
* Macro to suppress unused variable/parameter warnings
*
* This macro can be used to mark variables or parameters as intentionally unused
* while maintaining cross-compiler compatibility. It handles different compiler-specific
* attributes and warning suppressions:
*
* - For Clang/GCC: Uses __attribute__((unused))
* - For LCLINT: Uses @unused@ comment annotation
* - For MSVC: Suppresses warning C4100 (unreferenced formal parameter)
* - For other compilers: No special handling
*
* Usage example:
* void foo(ZEROERR_UNUSED(int x)) {
* // x is marked as intentionally unused
* }
*/
#if ZEROERR_CLANG || ZEROERR_GCC
#define ZEROERR_UNUSED(x) x __attribute__((unused))
#elif defined(__LCLINT__)
#define ZEROERR_UNUSED(x) /*@unused@*/ x
#elif ZEROERR_MSVC
#define ZEROERR_UNUSED(x) \
ZEROERR_MSVC_SUPPRESS_WARNING_WITH_PUSH(4100) x ZEROERR_MSVC_SUPPRESS_WARNING_POP
#else
#define ZEROERR_UNUSED(x) x
#endif
#pragma once
namespace zeroerr {
#ifdef ZEROERR_ALWAYS_COLORFUL
constexpr const char* Reset = "\x1b[0m";
constexpr const char* Bright = "\x1b[1m";
constexpr const char* Dim = "\x1b[2m";
constexpr const char* Underscore = "\x1b[4m";
constexpr const char* Blink = "\x1b[5m";
constexpr const char* Reverse = "\x1b[7m";
constexpr const char* Hidden = "\x1b[8m";
constexpr const char* FgBlack = "\x1b[30m";
constexpr const char* FgRed = "\x1b[31m";
constexpr const char* FgGreen = "\x1b[32m";
constexpr const char* FgYellow = "\x1b[33m";
constexpr const char* FgBlue = "\x1b[34m";
constexpr const char* FgMagenta = "\x1b[35m";
constexpr const char* FgCyan = "\x1b[36m";
constexpr const char* FgWhite = "\x1b[37m";
constexpr const char* BgBlack = "\x1b[40m";
constexpr const char* BgRed = "\x1b[41m";
constexpr const char* BgGreen = "\x1b[42m";
constexpr const char* BgYellow = "\x1b[43m";
constexpr const char* BgBlue = "\x1b[44m";
constexpr const char* BgMagenta = "\x1b[45m";
constexpr const char* BgCyan = "\x1b[46m";
constexpr const char* BgWhite = "\x1b[47m";
#elif defined(ZEROERR_DISABLE_COLORFUL)
constexpr const char* Reset = "";
constexpr const char* Bright = "";
constexpr const char* Dim = "";
constexpr const char* Underscore = "";
constexpr const char* Blink = "";
constexpr const char* Reverse = "";
constexpr const char* Hidden = "";
constexpr const char* FgBlack = "";
constexpr const char* FgRed = "";
constexpr const char* FgGreen = "";
constexpr const char* FgYellow = "";
constexpr const char* FgBlue = "";
constexpr const char* FgMagenta = "";
constexpr const char* FgCyan = "";
constexpr const char* FgWhite = "";
constexpr const char* BgBlack = "";
constexpr const char* BgRed = "";
constexpr const char* BgGreen = "";
constexpr const char* BgYellow = "";
constexpr const char* BgBlue = "";
constexpr const char* BgMagenta = "";
constexpr const char* BgCyan = "";
constexpr const char* BgWhite = "";
#else
extern const char* Reset;
extern const char* Bright;
extern const char* Dim;
extern const char* Underscore;
extern const char* Blink;
extern const char* Reverse;
extern const char* Hidden;
extern const char* FgBlack;
extern const char* FgRed;
extern const char* FgGreen;
extern const char* FgYellow;
extern const char* FgBlue;
extern const char* FgMagenta;
extern const char* FgCyan;
extern const char* FgWhite;
extern const char* BgBlack;
extern const char* BgRed;
extern const char* BgGreen;
extern const char* BgYellow;
extern const char* BgBlue;
extern const char* BgMagenta;
extern const char* BgCyan;
extern const char* BgWhite;
/**
* @brief Global function to disable colorful output.
*/
extern void disableColorOutput();
/**
* @brief Global function to enable colorful output.
*/
extern void enableColorOutput();
#endif
} // namespace zeroerr
#pragma once
namespace zeroerr {
enum OutputStream { STDOUT, STDERR };
extern bool isTerminalOutput(OutputStream stream);
struct TerminalSize {
int width;
int height;
};
TerminalSize getTerminalSize();
} // namespace zeroerr
/* Copyright (c) 2011-2021, Scott Tsai
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DEBUG_BREAK_H
#define DEBUG_BREAK_H
#ifdef _MSC_VER
#define debug_break __debugbreak
#else
#ifdef __cplusplus
extern "C" {
#endif
#define DEBUG_BREAK_USE_TRAP_INSTRUCTION 1
#define DEBUG_BREAK_USE_BULTIN_TRAP 2
#define DEBUG_BREAK_USE_SIGTRAP 3
#if defined(__i386__) || defined(__x86_64__)
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
__inline__ static void trap_instruction(void) { __asm__ volatile("int $0x03"); }
#elif defined(__thumb__)
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
/* FIXME: handle __THUMB_INTERWORK__ */
__attribute__((always_inline)) __inline__ static void trap_instruction(void) {
/* See 'arm-linux-tdep.c' in GDB source.
* Both instruction sequences below work. */
#if 1
/* 'eabi_linux_thumb_le_breakpoint' */
__asm__ volatile(".inst 0xde01");
#else
/* 'eabi_linux_thumb2_le_breakpoint' */
__asm__ volatile(".inst.w 0xf7f0a000");
#endif
/* Known problem:
* After a breakpoint hit, can't 'stepi', 'step', or 'continue' in GDB.
* 'step' would keep getting stuck on the same instruction.
*
* Workaround: use the new GDB commands 'debugbreak-step' and
* 'debugbreak-continue' that become available
* after you source the script from GDB:
*
* $ gdb -x debugbreak-gdb.py <... USUAL ARGUMENTS ...>
*
* 'debugbreak-step' would jump over the breakpoint instruction with
* roughly equivalent of:
* (gdb) set $instruction_len = 2
* (gdb) tbreak *($pc + $instruction_len)
* (gdb) jump *($pc + $instruction_len)
*/
}
#elif defined(__arm__) && !defined(__thumb__)
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
__attribute__((always_inline)) __inline__ static void trap_instruction(void) {
/* See 'arm-linux-tdep.c' in GDB source,
* 'eabi_linux_arm_le_breakpoint' */
__asm__ volatile(".inst 0xe7f001f0");
/* Known problem:
* Same problem and workaround as Thumb mode */
}
#elif defined(__aarch64__) && defined(__APPLE__)
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_BULTIN_DEBUGTRAP
#elif defined(__aarch64__)
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
__attribute__((always_inline)) __inline__ static void trap_instruction(void) {
/* See 'aarch64-tdep.c' in GDB source,
* 'aarch64_default_breakpoint' */
__asm__ volatile(".inst 0xd4200000");
}
#elif defined(__powerpc__)
/* PPC 32 or 64-bit, big or little endian */
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
__attribute__((always_inline)) __inline__ static void trap_instruction(void) {
/* See 'rs6000-tdep.c' in GDB source,
* 'rs6000_breakpoint' */
__asm__ volatile(".4byte 0x7d821008");
/* Known problem:
* After a breakpoint hit, can't 'stepi', 'step', or 'continue' in GDB.
* 'step' stuck on the same instruction ("twge r2,r2").
*
* The workaround is the same as ARM Thumb mode: use debugbreak-gdb.py
* or manually jump over the instruction. */
}
#elif defined(__riscv)
/* RISC-V 32 or 64-bit, whether the "C" extension
* for compressed, 16-bit instructions are supported or not */
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
__attribute__((always_inline)) __inline__ static void trap_instruction(void) {
/* See 'riscv-tdep.c' in GDB source,
* 'riscv_sw_breakpoint_from_kind' */
__asm__ volatile(".4byte 0x00100073");
}
#else
#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_SIGTRAP
#endif
#ifndef DEBUG_BREAK_IMPL
#error "debugbreak.h is not supported on this target"
#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_TRAP_INSTRUCTION
__attribute__((always_inline)) __inline__ static void debug_break(void) { trap_instruction(); }
#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_BULTIN_DEBUGTRAP
__attribute__((always_inline)) __inline__ static void debug_break(void) { __builtin_debugtrap(); }
#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_BULTIN_TRAP
__attribute__((always_inline)) __inline__ static void debug_break(void) { __builtin_trap(); }
#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_SIGTRAP
#include <signal.h>
__attribute__((always_inline)) __inline__ static void debug_break(void) { raise(SIGTRAP); }
#else
#error "invalid DEBUG_BREAK_IMPL value"
#endif
#ifdef __cplusplus
}
#endif
#endif /* ifdef _MSC_VER */
// Here is for checking the debugger is running
#include <fstream>
#ifdef IS_DEBUGGER_ACTIVE
__attribute__((always_inline)) __inline__ static bool isDebuggerActive() {
return IS_DEBUGGER_ACTIVE();
}
#else // IS_DEBUGGER_ACTIVE
#ifdef __linux__
class ErrnoGuard {
public:
ErrnoGuard() : m_oldErrno(errno) {}
~ErrnoGuard() { errno = m_oldErrno; }
private:
int m_oldErrno;
};
// See the comments in Catch2 for the reasoning behind this implementation:
// https://github.com/catchorg/Catch2/blob/v2.13.1/include/internal/catch_debugger.cpp#L79-L102
__attribute__((always_inline)) __inline__ static bool isDebuggerActive() {
ErrnoGuard guard;
std::ifstream in("/proc/self/status");
for (std::string line; std::getline(in, line);) {
static const int PREFIX_LEN = 11;
if (line.compare(0, PREFIX_LEN, "TracerPid:\t") == 0) {
return line.length() > PREFIX_LEN && line[PREFIX_LEN] != '0';
}
}
return false;
}
#elif defined(__APPLE__)
#include <sys/sysctl.h>
#include <unistd.h>
#include <iostream>
// The following function is taken directly from the following technical note:
// https://developer.apple.com/library/archive/qa/qa1361/_index.html
// Returns true if the current process is being debugged (either
// running under the debugger or has a debugger attached post facto).
__attribute__((always_inline)) __inline__ static bool isDebuggerActive() {
int mib[4];
kinfo_proc info;
size_t size;
// Initialize the flags so that, if sysctl fails for some bizarre
// reason, we get a predictable result.
info.kp_proc.p_flag = 0;
// Initialize mib, which tells sysctl the info we want, in this case
// we're looking for information about a specific process ID.
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PID;
mib[3] = getpid();
// Call sysctl.
size = sizeof(info);
if (sysctl(mib, (sizeof(mib) / sizeof(*mib)), &info, &size, 0, 0) != 0) {
std::cerr << "\nCall to sysctl failed - unable to determine if debugger is active **\n";
return false;
}
// We're being debugged if the P_TRACED flag is set.
return ((info.kp_proc.p_flag & P_TRACED) != 0);
}
#elif defined(__MINGW32__) || defined(__MINGW64__)
extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
__attribute__((always_inline)) __inline__ static bool isDebuggerActive() {
return ::IsDebuggerPresent() != 0;
}
#elif defined(_MSC_VER)
extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
inline __forceinline static bool isDebuggerActive() {
return ::IsDebuggerPresent() != 0;
}
#else
__attribute__((always_inline)) __inline__ static bool isDebuggerActive() { return false; }
#endif
#endif // IS_DEBUGGER_ACTIVE
#endif /* ifndef DEBUG_BREAK_H */
#pragma once
/**
* @brief Thread safety support
* This header provides thread-safe support for zeroerr.
*
* It defines macros for mutexes, locks, and atomic operations.
* The macros are conditionally defined based on the ZEROERR_NO_THREAD_SAFE flag.
*/
#ifdef ZEROERR_NO_THREAD_SAFE
#define ZEROERR_MUTEX(x)
#define ZEROERR_LOCK(x)
#define ZEROERR_ATOMIC(x) x
#define ZEROERR_LOAD(x) x
#else
#define ZEROERR_MUTEX(x) static std::mutex x;
#define ZEROERR_LOCK(x) std::lock_guard<std::mutex> lock(x);
#define ZEROERR_ATOMIC(x) std::atomic<x>
#define ZEROERR_LOAD(x) x.load()
#include <atomic>
#include <mutex>
#endif
#pragma once
#include <ostream>
#include <sstream>
#include <string>
#include <tuple> // this should be removed
#include <type_traits>
#include <complex>
#include <memory>
ZEROERR_SUPPRESS_COMMON_WARNINGS_PUSH
namespace zeroerr {
/**
* @brief rank is a helper class for Printer to define the priority of overloaded functions.
* @tparam N the priority of the rule. 0 is the lowest priority. The maximum priority is max_rank.
*
* You can define a rule by adding it as a function parameter with rank<N> where N is the priority.
* For example:
* template<typename T>
* void Foo(T v, rank<0>); // lowest priority
* void Foo(int v, rank<1>); // higher priority
*
* Even though in the first rule, type T can be an int, the second function will still be called due
* to the priority.
*/
template <unsigned N>
struct rank : rank<N - 1> {};
template <>
struct rank<0> {};
namespace detail {
// C++11 void_t
template <typename... Ts>
using void_t = void;
// Type dependent "true"/"false".
// Useful for SFINAE and static_asserts where we need a type dependent
// expression that happens to be constant.
template <typename T>
struct always_false {
static std::false_type value;
};
template <typename T>
struct always_true {
static std::true_type value;
};
// Generate sequence of integers from 0 to N-1
// Usage: detail::gen_seq<N> then use <size_t... I> to match it
template <unsigned...>
struct seq {};
template <unsigned N, unsigned... Is>
struct gen_seq : gen_seq<N - 1, N - 1, Is...> {};
template <unsigned... Is>
struct gen_seq<0, Is...> : seq<Is...> {};
// Some utility structs to check template specialization
template <typename Test, template <typename...> class Ref>
struct is_specialization : std::false_type {};
template <template <typename...> class Ref, typename... Args>
struct is_specialization<Ref<Args...>, Ref> : std::true_type {};
// Check if a type is stream writable, i.e., std::cout << foo;
// Usage: is_streamable<std::ostream, int>::value
template <typename S, typename T>
using has_stream_operator = void_t<decltype(std::declval<S&>() << std::declval<T>())>;
template <typename S, typename T, typename = void>
struct is_streamable : std::false_type {};
template <typename S, typename T>
struct is_streamable<S, T, has_stream_operator<S, T>> : std::true_type {};
// Check if a type is a container type
// Usage: is_container<std::vector<int>>::value
template <typename T>
using has_begin_end =
void_t<decltype(std::declval<T>().begin()), decltype(std::declval<T>().end())>;
template <typename T, typename = void>
struct is_container : std::false_type {};
template <typename T>
struct is_container<T, has_begin_end<T>> : std::true_type {};
template <typename T>
using has_begin_end_find_insert =
void_t<decltype(std::declval<T>().begin()), decltype(std::declval<T>().end()),
decltype(std::declval<T>().find(std::declval<typename T::key_type>())),
decltype(std::declval<T>().insert(std::declval<typename T::value_type>()))>;
template <typename T, typename = void>
struct is_associative_container : std::false_type {};
template <typename T>
struct is_associative_container<T, has_begin_end_find_insert<T>> : std::true_type {};
#if ZEROERR_CXX_STANDARD >= 17
#define ZEROERR_STRING_VIEW std::is_same<T, std::string_view>::value
#else
#define ZEROERR_STRING_VIEW 0
#endif
// Check if a type is a string type
template <class T>
struct is_string
: std::integral_constant<bool, std::is_same<T, std::string>::value ||
std::is_same<T, const char*>::value || ZEROERR_STRING_VIEW> {
};
// Check if a type can use arr[0] like an array
template <typename T, typename = void>
struct is_array : std::false_type {};
template <typename T>
struct is_array<T, void_t<decltype(std::declval<T>()[0])>> : std::true_type {};
template <typename T, typename = void>
struct is_modifiable : std::false_type {};
template <typename T>
struct is_modifiable<T, void_t<decltype(
// Iterable
T().begin(), T().end(), T().size(),
// Values are mutable
// This rejects associative containers, for example
// *T().begin() = std::declval<value_type_t<T>>(),
// Can insert and erase elements
T().insert(T().end(), std::declval<typename T::value_type>()),
T().erase(T().begin()), (void)0)>> : std::true_type {};
// Check if a type has the element type as std::pair
template <typename T>
using has_pair_type =
void_t<typename T::value_type, decltype(std::declval<typename T::value_type>().first),
decltype(std::declval<typename T::value_type>().second)>;
template <typename T, typename = void>
struct ele_type_is_pair : std::false_type {};
template <typename T>
struct ele_type_is_pair<T, has_pair_type<T>> : std::true_type {};
template <typename T, typename V = void>
struct to_store_type {
using type = T;
};
template <>
struct to_store_type<const char*> {
using type = std::string;
};
template <>
struct to_store_type<const char (&)[]> {
using type = std::string;
};
template <typename T>
using is_not_array = typename std::enable_if<!std::is_array<T>::value>::type;
template <typename T>
struct to_store_type<T&, is_not_array<T>> {
using type = T;
};
template <typename T>
struct to_store_type<T&&> {
using type = T;
};
template <typename T>
using to_store_type_t = typename to_store_type<T>::type;
template <size_t I>
struct visit_impl {
template <typename T, typename F>
static void visit(T& tup, size_t idx, F&& fun) {
if (idx == I - 1)
fun(std::get<I - 1>(tup));
else
visit_impl<I - 1>::visit(tup, idx, std::forward<F>(fun));
}
};
template <>
struct visit_impl<0> {
template <typename T, typename F>
static void visit(T&, size_t, F&&) {}
};
template <typename F, typename... Ts>
void visit_at(const std::tuple<Ts...>& tup, size_t idx, F&& fun) {
visit_impl<sizeof...(Ts)>::visit(tup, idx, std::forward<F>(fun));
}
template <typename F, typename... Ts>
void visit_at(std::tuple<Ts...>& tup, size_t idx, F&& fun) {
visit_impl<sizeof...(Ts)>::visit(tup, idx, std::forward<F>(fun));
}
template <size_t I>
struct visit2_impl {
template <typename T1, typename T2, typename F>
static void visit(T1 tup1, T2 tup2, size_t idx, F&& fun) {
if (idx == I - 1)
fun(std::get<I - 1>(tup1), std::get<I - 1>(tup2));
else
visit2_impl<I - 1>::visit(tup1, tup2, idx, std::forward<F>(fun));
}
};
template <>
struct visit2_impl<0> {
template <typename T1, typename T2, typename F>
static void visit(T1&, T2&, size_t, F&&) {}
};
template <typename F, typename... Ts, typename... T2s>
void visit2_at(const std::tuple<Ts...>& tup1, const std::tuple<T2s...>& tup2, size_t idx, F&& fun) {
visit2_impl<sizeof...(Ts)>::visit(tup1, tup2, idx, std::forward<F>(fun));
}
template <typename F, typename... Ts, typename... T2s>
void visit2_at(std::tuple<Ts...>& tup1, std::tuple<T2s...>& tup2, size_t idx, F&& fun) {
visit2_impl<sizeof...(Ts)>::visit(tup1, tup2, idx, std::forward<F>(fun));
}
template <typename F, typename... Ts, typename... T2s>
void visit2_at(const std::tuple<Ts...>& tup1, std::tuple<T2s...>& tup2, size_t idx, F&& fun) {
visit2_impl<sizeof...(Ts)>::visit(tup1, tup2, idx, std::forward<F>(fun));
}
template <typename F, typename... Ts, typename... T2s>
void visit2_at(std::tuple<Ts...>& tup1, const std::tuple<T2s...>& tup2, size_t idx, F&& fun) {
visit2_impl<sizeof...(Ts)>::visit(tup1, tup2, idx, std::forward<F>(fun));
}
#define ZEROERR_ENABLE_IF(x) \
template <typename T> \
typename std::enable_if<x, void>::type
#define ZEROERR_IS_INT std::is_integral<T>::value
#define ZEROERR_IS_FLOAT std::is_floating_point<T>::value
#define ZEROERR_IS_CONTAINER detail::is_container<T>::value
#define ZEROERR_IS_STRING detail::is_string<T>::value
#define ZEROERR_IS_POINTER std::is_pointer<T>::value
#define ZEROERR_IS_CHAR std::is_same<T, char>::value
#define ZEROERR_IS_WCHAR std::is_same<T, wchar_t>::value
#define ZEROERR_IS_CLASS std::is_class<T>::value
#define ZEROERR_IS_STREAMABLE detail::is_streamable<std::ostream, T>::value
#define ZEROERR_IS_ARRAY detail::is_array<T>::value
#define ZEROERR_IS_COMPLEX detail::is_specialization<T, std::complex>::value
#define ZEROERR_IS_BOOL std::is_same<T, bool>::value
#define ZEROERR_IS_AUTOPTR \
(detail::is_specialization<T, std::unique_ptr>::value || \
detail::is_specialization<T, std::shared_ptr>::value || \
detail::is_specialization<T, std::weak_ptr>::value)
#define ZEROERR_IS_MAP detail::ele_type_is_pair<T>::value