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c++ source #1
Output
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Intel asm syntax
Demangle identifiers
Verbose demangling
Filters
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Debug intrinsics
Compiler
6502-c++ 11.1.0
ARM GCC 10.2.0
ARM GCC 10.3.0
ARM GCC 10.4.0
ARM GCC 10.5.0
ARM GCC 11.1.0
ARM GCC 11.2.0
ARM GCC 11.3.0
ARM GCC 11.4.0
ARM GCC 12.1.0
ARM GCC 12.2.0
ARM GCC 12.3.0
ARM GCC 12.4.0
ARM GCC 13.1.0
ARM GCC 13.2.0
ARM GCC 13.2.0 (unknown-eabi)
ARM GCC 13.3.0
ARM GCC 13.3.0 (unknown-eabi)
ARM GCC 14.1.0
ARM GCC 14.1.0 (unknown-eabi)
ARM GCC 14.2.0
ARM GCC 14.2.0 (unknown-eabi)
ARM GCC 4.5.4
ARM GCC 4.6.4
ARM GCC 5.4
ARM GCC 6.3.0
ARM GCC 6.4.0
ARM GCC 7.3.0
ARM GCC 7.5.0
ARM GCC 8.2.0
ARM GCC 8.5.0
ARM GCC 9.3.0
ARM GCC 9.4.0
ARM GCC 9.5.0
ARM GCC trunk
ARM gcc 10.2.1 (none)
ARM gcc 10.3.1 (2021.07 none)
ARM gcc 10.3.1 (2021.10 none)
ARM gcc 11.2.1 (none)
ARM gcc 5.4.1 (none)
ARM gcc 7.2.1 (none)
ARM gcc 8.2 (WinCE)
ARM gcc 8.3.1 (none)
ARM gcc 9.2.1 (none)
ARM msvc v19.0 (WINE)
ARM msvc v19.10 (WINE)
ARM msvc v19.14 (WINE)
ARM64 Morello gcc 10.1 Alpha 2
ARM64 gcc 10.2
ARM64 gcc 10.3
ARM64 gcc 10.4
ARM64 gcc 10.5.0
ARM64 gcc 11.1
ARM64 gcc 11.2
ARM64 gcc 11.3
ARM64 gcc 11.4.0
ARM64 gcc 12.1
ARM64 gcc 12.2.0
ARM64 gcc 12.3.0
ARM64 gcc 12.4.0
ARM64 gcc 13.1.0
ARM64 gcc 13.2.0
ARM64 gcc 13.3.0
ARM64 gcc 14.1.0
ARM64 gcc 14.2.0
ARM64 gcc 4.9.4
ARM64 gcc 5.4
ARM64 gcc 5.5.0
ARM64 gcc 6.3
ARM64 gcc 6.4
ARM64 gcc 7.3
ARM64 gcc 7.5
ARM64 gcc 8.2
ARM64 gcc 8.5
ARM64 gcc 9.3
ARM64 gcc 9.4
ARM64 gcc 9.5
ARM64 gcc trunk
ARM64 msvc v19.14 (WINE)
AVR gcc 10.3.0
AVR gcc 11.1.0
AVR gcc 12.1.0
AVR gcc 12.2.0
AVR gcc 12.3.0
AVR gcc 12.4.0
AVR gcc 13.1.0
AVR gcc 13.2.0
AVR gcc 13.3.0
AVR gcc 14.1.0
AVR gcc 14.2.0
AVR gcc 4.5.4
AVR gcc 4.6.4
AVR gcc 5.4.0
AVR gcc 9.2.0
AVR gcc 9.3.0
Arduino Mega (1.8.9)
Arduino Uno (1.8.9)
BPF clang (trunk)
BPF clang 13.0.0
BPF clang 14.0.0
BPF clang 15.0.0
BPF clang 16.0.0
BPF clang 17.0.1
BPF clang 18.1.0
BPF clang 19.1.0
BPF gcc 13.1.0
BPF gcc 13.2.0
BPF gcc 13.3.0
BPF gcc trunk
EDG (experimental reflection)
EDG 6.5
EDG 6.5 (GNU mode gcc 13)
EDG 6.6
EDG 6.6 (GNU mode gcc 13)
FRC 2019
FRC 2020
FRC 2023
HPPA gcc 14.2.0
KVX ACB 4.1.0 (GCC 7.5.0)
KVX ACB 4.1.0-cd1 (GCC 7.5.0)
KVX ACB 4.10.0 (GCC 10.3.1)
KVX ACB 4.11.1 (GCC 10.3.1)
KVX ACB 4.12.0 (GCC 11.3.0)
KVX ACB 4.2.0 (GCC 7.5.0)
KVX ACB 4.3.0 (GCC 7.5.0)
KVX ACB 4.4.0 (GCC 7.5.0)
KVX ACB 4.6.0 (GCC 9.4.1)
KVX ACB 4.8.0 (GCC 9.4.1)
KVX ACB 4.9.0 (GCC 9.4.1)
KVX ACB 5.0.0 (GCC 12.2.1)
LoongArch64 clang (trunk)
LoongArch64 clang 17.0.1
LoongArch64 clang 18.1.0
LoongArch64 clang 19.1.0
M68K gcc 13.1.0
M68K gcc 13.2.0
M68K gcc 13.3.0
M68K gcc 14.1.0
M68K gcc 14.2.0
M68k clang (trunk)
MRISC32 gcc (trunk)
MSP430 gcc 4.5.3
MSP430 gcc 5.3.0
MSP430 gcc 6.2.1
MinGW clang 14.0.3
MinGW clang 14.0.6
MinGW clang 15.0.7
MinGW clang 16.0.0
MinGW clang 16.0.2
MinGW gcc 11.3.0
MinGW gcc 12.1.0
MinGW gcc 12.2.0
MinGW gcc 13.1.0
RISC-V (32-bits) gcc (trunk)
RISC-V (32-bits) gcc 10.2.0
RISC-V (32-bits) gcc 10.3.0
RISC-V (32-bits) gcc 11.2.0
RISC-V (32-bits) gcc 11.3.0
RISC-V (32-bits) gcc 11.4.0
RISC-V (32-bits) gcc 12.1.0
RISC-V (32-bits) gcc 12.2.0
RISC-V (32-bits) gcc 12.3.0
RISC-V (32-bits) gcc 12.4.0
RISC-V (32-bits) gcc 13.1.0
RISC-V (32-bits) gcc 13.2.0
RISC-V (32-bits) gcc 13.3.0
RISC-V (32-bits) gcc 14.1.0
RISC-V (32-bits) gcc 14.2.0
RISC-V (32-bits) gcc 8.2.0
RISC-V (32-bits) gcc 8.5.0
RISC-V (32-bits) gcc 9.4.0
RISC-V (64-bits) gcc (trunk)
RISC-V (64-bits) gcc 10.2.0
RISC-V (64-bits) gcc 10.3.0
RISC-V (64-bits) gcc 11.2.0
RISC-V (64-bits) gcc 11.3.0
RISC-V (64-bits) gcc 11.4.0
RISC-V (64-bits) gcc 12.1.0
RISC-V (64-bits) gcc 12.2.0
RISC-V (64-bits) gcc 12.3.0
RISC-V (64-bits) gcc 12.4.0
RISC-V (64-bits) gcc 13.1.0
RISC-V (64-bits) gcc 13.2.0
RISC-V (64-bits) gcc 13.3.0
RISC-V (64-bits) gcc 14.1.0
RISC-V (64-bits) gcc 14.2.0
RISC-V (64-bits) gcc 8.2.0
RISC-V (64-bits) gcc 8.5.0
RISC-V (64-bits) gcc 9.4.0
RISC-V rv32gc clang (trunk)
RISC-V rv32gc clang 10.0.0
RISC-V rv32gc clang 10.0.1
RISC-V rv32gc clang 11.0.0
RISC-V rv32gc clang 11.0.1
RISC-V rv32gc clang 12.0.0
RISC-V rv32gc clang 12.0.1
RISC-V rv32gc clang 13.0.0
RISC-V rv32gc clang 13.0.1
RISC-V rv32gc clang 14.0.0
RISC-V rv32gc clang 15.0.0
RISC-V rv32gc clang 16.0.0
RISC-V rv32gc clang 17.0.1
RISC-V rv32gc clang 18.1.0
RISC-V rv32gc clang 19.1.0
RISC-V rv32gc clang 9.0.0
RISC-V rv32gc clang 9.0.1
RISC-V rv64gc clang (trunk)
RISC-V rv64gc clang 10.0.0
RISC-V rv64gc clang 10.0.1
RISC-V rv64gc clang 11.0.0
RISC-V rv64gc clang 11.0.1
RISC-V rv64gc clang 12.0.0
RISC-V rv64gc clang 12.0.1
RISC-V rv64gc clang 13.0.0
RISC-V rv64gc clang 13.0.1
RISC-V rv64gc clang 14.0.0
RISC-V rv64gc clang 15.0.0
RISC-V rv64gc clang 16.0.0
RISC-V rv64gc clang 17.0.1
RISC-V rv64gc clang 18.1.0
RISC-V rv64gc clang 19.1.0
RISC-V rv64gc clang 9.0.0
RISC-V rv64gc clang 9.0.1
Raspbian Buster
Raspbian Stretch
SPARC LEON gcc 12.2.0
SPARC LEON gcc 12.3.0
SPARC LEON gcc 12.4.0
SPARC LEON gcc 13.1.0
SPARC LEON gcc 13.2.0
SPARC LEON gcc 13.3.0
SPARC LEON gcc 14.1.0
SPARC LEON gcc 14.2.0
SPARC gcc 12.2.0
SPARC gcc 12.3.0
SPARC gcc 12.4.0
SPARC gcc 13.1.0
SPARC gcc 13.2.0
SPARC gcc 13.3.0
SPARC gcc 14.1.0
SPARC gcc 14.2.0
SPARC64 gcc 12.2.0
SPARC64 gcc 12.3.0
SPARC64 gcc 12.4.0
SPARC64 gcc 13.1.0
SPARC64 gcc 13.2.0
SPARC64 gcc 13.3.0
SPARC64 gcc 14.1.0
SPARC64 gcc 14.2.0
TI C6x gcc 12.2.0
TI C6x gcc 12.3.0
TI C6x gcc 12.4.0
TI C6x gcc 13.1.0
TI C6x gcc 13.2.0
TI C6x gcc 13.3.0
TI C6x gcc 14.1.0
TI C6x gcc 14.2.0
TI CL430 21.6.1
VAX gcc NetBSDELF 10.4.0
VAX gcc NetBSDELF 10.5.0 (Nov 15 03:50:22 2023)
WebAssembly clang (trunk)
Xtensa ESP32 gcc 11.2.0 (2022r1)
Xtensa ESP32 gcc 12.2.0 (20230208)
Xtensa ESP32 gcc 8.2.0 (2019r2)
Xtensa ESP32 gcc 8.2.0 (2020r1)
Xtensa ESP32 gcc 8.2.0 (2020r2)
Xtensa ESP32 gcc 8.4.0 (2020r3)
Xtensa ESP32 gcc 8.4.0 (2021r1)
Xtensa ESP32 gcc 8.4.0 (2021r2)
Xtensa ESP32-S2 gcc 11.2.0 (2022r1)
Xtensa ESP32-S2 gcc 12.2.0 (20230208)
Xtensa ESP32-S2 gcc 8.2.0 (2019r2)
Xtensa ESP32-S2 gcc 8.2.0 (2020r1)
Xtensa ESP32-S2 gcc 8.2.0 (2020r2)
Xtensa ESP32-S2 gcc 8.4.0 (2020r3)
Xtensa ESP32-S2 gcc 8.4.0 (2021r1)
Xtensa ESP32-S2 gcc 8.4.0 (2021r2)
Xtensa ESP32-S3 gcc 11.2.0 (2022r1)
Xtensa ESP32-S3 gcc 12.2.0 (20230208)
Xtensa ESP32-S3 gcc 8.4.0 (2020r3)
Xtensa ESP32-S3 gcc 8.4.0 (2021r1)
Xtensa ESP32-S3 gcc 8.4.0 (2021r2)
arm64 msvc v19.20 VS16.0
arm64 msvc v19.21 VS16.1
arm64 msvc v19.22 VS16.2
arm64 msvc v19.23 VS16.3
arm64 msvc v19.24 VS16.4
arm64 msvc v19.25 VS16.5
arm64 msvc v19.27 VS16.7
arm64 msvc v19.28 VS16.8
arm64 msvc v19.28 VS16.9
arm64 msvc v19.29 VS16.10
arm64 msvc v19.29 VS16.11
arm64 msvc v19.30 VS17.0
arm64 msvc v19.31 VS17.1
arm64 msvc v19.32 VS17.2
arm64 msvc v19.33 VS17.3
arm64 msvc v19.34 VS17.4
arm64 msvc v19.35 VS17.5
arm64 msvc v19.36 VS17.6
arm64 msvc v19.37 VS17.7
arm64 msvc v19.38 VS17.8
arm64 msvc v19.39 VS17.9
arm64 msvc v19.40 VS17.10
arm64 msvc v19.latest
armv7-a clang (trunk)
armv7-a clang 10.0.0
armv7-a clang 10.0.1
armv7-a clang 11.0.0
armv7-a clang 11.0.1
armv7-a clang 12.0.0
armv7-a clang 12.0.1
armv7-a clang 13.0.0
armv7-a clang 13.0.1
armv7-a clang 14.0.0
armv7-a clang 15.0.0
armv7-a clang 16.0.0
armv7-a clang 17.0.1
armv7-a clang 18.1.0
armv7-a clang 19.1.0
armv7-a clang 9.0.0
armv7-a clang 9.0.1
armv8-a clang (all architectural features, trunk)
armv8-a clang (trunk)
armv8-a clang 10.0.0
armv8-a clang 10.0.1
armv8-a clang 11.0.0
armv8-a clang 11.0.1
armv8-a clang 12.0.0
armv8-a clang 13.0.0
armv8-a clang 14.0.0
armv8-a clang 15.0.0
armv8-a clang 16.0.0
armv8-a clang 17.0.1
armv8-a clang 18.1.0
armv8-a clang 19.1.0
armv8-a clang 9.0.0
armv8-a clang 9.0.1
clang-cl 18.1.0
ellcc 0.1.33
ellcc 0.1.34
ellcc 2017-07-16
hexagon-clang 16.0.5
llvm-mos atari2600-3e
llvm-mos atari2600-4k
llvm-mos atari2600-common
llvm-mos atari5200-supercart
llvm-mos atari8-cart-megacart
llvm-mos atari8-cart-std
llvm-mos atari8-cart-xegs
llvm-mos atari8-common
llvm-mos atari8-dos
llvm-mos c128
llvm-mos c64
llvm-mos commodore
llvm-mos cpm65
llvm-mos cx16
llvm-mos dodo
llvm-mos eater
llvm-mos mega65
llvm-mos nes
llvm-mos nes-action53
llvm-mos nes-cnrom
llvm-mos nes-gtrom
llvm-mos nes-mmc1
llvm-mos nes-mmc3
llvm-mos nes-nrom
llvm-mos nes-unrom
llvm-mos nes-unrom-512
llvm-mos osi-c1p
llvm-mos pce
llvm-mos pce-cd
llvm-mos pce-common
llvm-mos pet
llvm-mos rp6502
llvm-mos rpc8e
llvm-mos supervision
llvm-mos vic20
loongarch64 gcc 12.2.0
loongarch64 gcc 12.3.0
loongarch64 gcc 12.4.0
loongarch64 gcc 13.1.0
loongarch64 gcc 13.2.0
loongarch64 gcc 13.3.0
loongarch64 gcc 14.1.0
loongarch64 gcc 14.2.0
mips clang 13.0.0
mips clang 14.0.0
mips clang 15.0.0
mips clang 16.0.0
mips clang 17.0.1
mips clang 18.1.0
mips clang 19.1.0
mips gcc 11.2.0
mips gcc 12.1.0
mips gcc 12.2.0
mips gcc 12.3.0
mips gcc 12.4.0
mips gcc 13.1.0
mips gcc 13.2.0
mips gcc 13.3.0
mips gcc 14.1.0
mips gcc 14.2.0
mips gcc 4.9.4
mips gcc 5.4
mips gcc 5.5.0
mips gcc 9.3.0 (codescape)
mips gcc 9.5.0
mips64 (el) gcc 12.1.0
mips64 (el) gcc 12.2.0
mips64 (el) gcc 12.3.0
mips64 (el) gcc 12.4.0
mips64 (el) gcc 13.1.0
mips64 (el) gcc 13.2.0
mips64 (el) gcc 13.3.0
mips64 (el) gcc 14.1.0
mips64 (el) gcc 14.2.0
mips64 (el) gcc 4.9.4
mips64 (el) gcc 5.4.0
mips64 (el) gcc 5.5.0
mips64 (el) gcc 9.5.0
mips64 clang 13.0.0
mips64 clang 14.0.0
mips64 clang 15.0.0
mips64 clang 16.0.0
mips64 clang 17.0.1
mips64 clang 18.1.0
mips64 clang 19.1.0
mips64 gcc 11.2.0
mips64 gcc 12.1.0
mips64 gcc 12.2.0
mips64 gcc 12.3.0
mips64 gcc 12.4.0
mips64 gcc 13.1.0
mips64 gcc 13.2.0
mips64 gcc 13.3.0
mips64 gcc 14.1.0
mips64 gcc 14.2.0
mips64 gcc 4.9.4
mips64 gcc 5.4.0
mips64 gcc 5.5.0
mips64 gcc 9.5.0
mips64el clang 13.0.0
mips64el clang 14.0.0
mips64el clang 15.0.0
mips64el clang 16.0.0
mips64el clang 17.0.1
mips64el clang 18.1.0
mips64el clang 19.1.0
mipsel clang 13.0.0
mipsel clang 14.0.0
mipsel clang 15.0.0
mipsel clang 16.0.0
mipsel clang 17.0.1
mipsel clang 18.1.0
mipsel clang 19.1.0
mipsel gcc 12.1.0
mipsel gcc 12.2.0
mipsel gcc 12.3.0
mipsel gcc 12.4.0
mipsel gcc 13.1.0
mipsel gcc 13.2.0
mipsel gcc 13.3.0
mipsel gcc 14.1.0
mipsel gcc 14.2.0
mipsel gcc 4.9.4
mipsel gcc 5.4.0
mipsel gcc 5.5.0
mipsel gcc 9.5.0
nanoMIPS gcc 6.3.0 (mtk)
power gcc 11.2.0
power gcc 12.1.0
power gcc 12.2.0
power gcc 12.3.0
power gcc 12.4.0
power gcc 13.1.0
power gcc 13.2.0
power gcc 13.3.0
power gcc 14.1.0
power gcc 14.2.0
power gcc 4.8.5
power64 AT12.0 (gcc8)
power64 AT13.0 (gcc9)
power64 gcc 11.2.0
power64 gcc 12.1.0
power64 gcc 12.2.0
power64 gcc 12.3.0
power64 gcc 12.4.0
power64 gcc 13.1.0
power64 gcc 13.2.0
power64 gcc 13.3.0
power64 gcc 14.1.0
power64 gcc 14.2.0
power64 gcc trunk
power64le AT12.0 (gcc8)
power64le AT13.0 (gcc9)
power64le clang (trunk)
power64le gcc 11.2.0
power64le gcc 12.1.0
power64le gcc 12.2.0
power64le gcc 12.3.0
power64le gcc 12.4.0
power64le gcc 13.1.0
power64le gcc 13.2.0
power64le gcc 13.3.0
power64le gcc 14.1.0
power64le gcc 14.2.0
power64le gcc 6.3.0
power64le gcc trunk
powerpc64 clang (trunk)
s390x gcc 11.2.0
s390x gcc 12.1.0
s390x gcc 12.2.0
s390x gcc 12.3.0
s390x gcc 12.4.0
s390x gcc 13.1.0
s390x gcc 13.2.0
s390x gcc 13.3.0
s390x gcc 14.1.0
s390x gcc 14.2.0
sh gcc 12.2.0
sh gcc 12.3.0
sh gcc 12.4.0
sh gcc 13.1.0
sh gcc 13.2.0
sh gcc 13.3.0
sh gcc 14.1.0
sh gcc 14.2.0
sh gcc 4.9.4
sh gcc 9.5.0
vast (trunk)
x64 msvc v19.0 (WINE)
x64 msvc v19.10 (WINE)
x64 msvc v19.14 (WINE)
x64 msvc v19.20 VS16.0
x64 msvc v19.21 VS16.1
x64 msvc v19.22 VS16.2
x64 msvc v19.23 VS16.3
x64 msvc v19.24 VS16.4
x64 msvc v19.25 VS16.5
x64 msvc v19.27 VS16.7
x64 msvc v19.28 VS16.8
x64 msvc v19.28 VS16.9
x64 msvc v19.29 VS16.10
x64 msvc v19.29 VS16.11
x64 msvc v19.30 VS17.0
x64 msvc v19.31 VS17.1
x64 msvc v19.32 VS17.2
x64 msvc v19.33 VS17.3
x64 msvc v19.34 VS17.4
x64 msvc v19.35 VS17.5
x64 msvc v19.36 VS17.6
x64 msvc v19.37 VS17.7
x64 msvc v19.38 VS17.8
x64 msvc v19.39 VS17.9
x64 msvc v19.40 VS17.10
x64 msvc v19.latest
x86 djgpp 4.9.4
x86 djgpp 5.5.0
x86 djgpp 6.4.0
x86 djgpp 7.2.0
x86 msvc v19.0 (WINE)
x86 msvc v19.10 (WINE)
x86 msvc v19.14 (WINE)
x86 msvc v19.20 VS16.0
x86 msvc v19.21 VS16.1
x86 msvc v19.22 VS16.2
x86 msvc v19.23 VS16.3
x86 msvc v19.24 VS16.4
x86 msvc v19.25 VS16.5
x86 msvc v19.27 VS16.7
x86 msvc v19.28 VS16.8
x86 msvc v19.28 VS16.9
x86 msvc v19.29 VS16.10
x86 msvc v19.29 VS16.11
x86 msvc v19.30 VS17.0
x86 msvc v19.31 VS17.1
x86 msvc v19.32 VS17.2
x86 msvc v19.33 VS17.3
x86 msvc v19.34 VS17.4
x86 msvc v19.35 VS17.5
x86 msvc v19.36 VS17.6
x86 msvc v19.37 VS17.7
x86 msvc v19.38 VS17.8
x86 msvc v19.39 VS17.9
x86 msvc v19.40 VS17.10
x86 msvc v19.latest
x86 nvc++ 22.11
x86 nvc++ 22.7
x86 nvc++ 22.9
x86 nvc++ 23.1
x86 nvc++ 23.11
x86 nvc++ 23.3
x86 nvc++ 23.5
x86 nvc++ 23.7
x86 nvc++ 23.9
x86 nvc++ 24.1
x86 nvc++ 24.3
x86 nvc++ 24.5
x86 nvc++ 24.7
x86-64 Zapcc 190308
x86-64 clang (EricWF contracts)
x86-64 clang (amd-staging)
x86-64 clang (assertions trunk)
x86-64 clang (clangir)
x86-64 clang (dascandy contracts)
x86-64 clang (experimental -Wlifetime)
x86-64 clang (experimental P1061)
x86-64 clang (experimental P1144)
x86-64 clang (experimental P1221)
x86-64 clang (experimental P2996)
x86-64 clang (experimental P3068)
x86-64 clang (experimental P3309)
x86-64 clang (experimental P3367)
x86-64 clang (experimental P3372)
x86-64 clang (experimental metaprogramming - P2632)
x86-64 clang (old concepts branch)
x86-64 clang (p1974)
x86-64 clang (pattern matching - P2688)
x86-64 clang (reflection)
x86-64 clang (resugar)
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x86-64 clang 12.0.1
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x86-64 clang 13.0.1
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x86-64 clang 16.0.0
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x86-64 clang 18.1.0
x86-64 clang 18.1.0 (assertions)
x86-64 clang 19.1.0
x86-64 clang 19.1.0 (assertions)
x86-64 clang 2.6.0 (assertions)
x86-64 clang 2.7.0 (assertions)
x86-64 clang 2.8.0 (assertions)
x86-64 clang 2.9.0 (assertions)
x86-64 clang 3.0.0
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x86-64 clang 3.1
x86-64 clang 3.1 (assertions)
x86-64 clang 3.2
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x86-64 clang 3.3
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x86-64 clang 3.4 (assertions)
x86-64 clang 3.4.1
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zig c++ 0.10.0
zig c++ 0.11.0
zig c++ 0.12.0
zig c++ 0.12.1
zig c++ 0.13.0
zig c++ 0.6.0
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Source code
/***************************************************************************** dbg(...) macro License (MIT): Copyright (c) 2019 David Peter <mail@david-peter.de> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *****************************************************************************/ #ifndef DBG_MACRO_DBG_H #define DBG_MACRO_DBG_H #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) #define DBG_MACRO_UNIX #elif defined(_MSC_VER) #define DBG_MACRO_WINDOWS #endif #ifndef DBG_MACRO_NO_WARNING #pragma message("WARNING: the 'dbg.h' header is included in your code base") #endif // DBG_MACRO_NO_WARNING #include <algorithm> #include <chrono> #include <ctime> #include <iomanip> #include <ios> #include <iostream> #include <memory> #include <sstream> #include <string> #include <tuple> #include <type_traits> #include <vector> #ifdef DBG_MACRO_UNIX #include <unistd.h> #endif #if __cplusplus >= 201703L #define DBG_MACRO_CXX_STANDARD 17 #elif __cplusplus >= 201402L #define DBG_MACRO_CXX_STANDARD 14 #else #define DBG_MACRO_CXX_STANDARD 11 #endif #if DBG_MACRO_CXX_STANDARD >= 17 #include <optional> #include <variant> #endif namespace dbg { #ifdef DBG_MACRO_UNIX inline bool isColorizedOutputEnabled() { return isatty(fileno(stderr)); } #else inline bool isColorizedOutputEnabled() { return true; } #endif struct time {}; namespace pretty_function { // Compiler-agnostic version of __PRETTY_FUNCTION__ and constants to // extract the template argument in `type_name_impl` #if defined(__clang__) #define DBG_MACRO_PRETTY_FUNCTION __PRETTY_FUNCTION__ static constexpr size_t PREFIX_LENGTH = sizeof("const char *dbg::type_name_impl() [T = ") - 1; static constexpr size_t SUFFIX_LENGTH = sizeof("]") - 1; #elif defined(__GNUC__) && !defined(__clang__) #define DBG_MACRO_PRETTY_FUNCTION __PRETTY_FUNCTION__ static constexpr size_t PREFIX_LENGTH = sizeof("const char* dbg::type_name_impl() [with T = ") - 1; static constexpr size_t SUFFIX_LENGTH = sizeof("]") - 1; #elif defined(_MSC_VER) #define DBG_MACRO_PRETTY_FUNCTION __FUNCSIG__ static constexpr size_t PREFIX_LENGTH = sizeof("const char *__cdecl dbg::type_name_impl<") - 1; static constexpr size_t SUFFIX_LENGTH = sizeof(">(void)") - 1; #else #error "This compiler is currently not supported by dbg_macro." #endif } // namespace pretty_function // Formatting helpers template <typename T> struct print_formatted { static_assert(std::is_integral<T>::value, "Only integral types are supported."); print_formatted(T value, int numeric_base) : inner(value), base(numeric_base) {} operator T() const { return inner; } const char* prefix() const { switch (base) { case 8: return "0o"; case 16: return "0x"; case 2: return "0b"; default: return ""; } } T inner; int base; }; template <typename T> print_formatted<T> hex(T value) { return print_formatted<T>{value, 16}; } template <typename T> print_formatted<T> oct(T value) { return print_formatted<T>{value, 8}; } template <typename T> print_formatted<T> bin(T value) { return print_formatted<T>{value, 2}; } // Implementation of 'type_name<T>()' template <typename T> const char* type_name_impl() { return DBG_MACRO_PRETTY_FUNCTION; } template <typename T> struct type_tag {}; template <int&... ExplicitArgumentBarrier, typename T> std::string get_type_name(type_tag<T>) { namespace pf = pretty_function; std::string type = type_name_impl<T>(); return type.substr(pf::PREFIX_LENGTH, type.size() - pf::PREFIX_LENGTH - pf::SUFFIX_LENGTH); } template <typename T> std::string type_name() { if (std::is_volatile<T>::value) { if (std::is_pointer<T>::value) { return type_name<typename std::remove_volatile<T>::type>() + " volatile"; } else { return "volatile " + type_name<typename std::remove_volatile<T>::type>(); } } if (std::is_const<T>::value) { if (std::is_pointer<T>::value) { return type_name<typename std::remove_const<T>::type>() + " const"; } else { return "const " + type_name<typename std::remove_const<T>::type>(); } } if (std::is_pointer<T>::value) { return type_name<typename std::remove_pointer<T>::type>() + "*"; } if (std::is_lvalue_reference<T>::value) { return type_name<typename std::remove_reference<T>::type>() + "&"; } if (std::is_rvalue_reference<T>::value) { return type_name<typename std::remove_reference<T>::type>() + "&&"; } return get_type_name(type_tag<T>{}); } inline std::string get_type_name(type_tag<short>) { return "short"; } inline std::string get_type_name(type_tag<unsigned short>) { return "unsigned short"; } inline std::string get_type_name(type_tag<long>) { return "long"; } inline std::string get_type_name(type_tag<unsigned long>) { return "unsigned long"; } inline std::string get_type_name(type_tag<std::string>) { return "std::string"; } template <typename T> std::string get_type_name(type_tag<std::vector<T, std::allocator<T>>>) { return "std::vector<" + type_name<T>() + ">"; } template <typename T1, typename T2> std::string get_type_name(type_tag<std::pair<T1, T2>>) { return "std::pair<" + type_name<T1>() + ", " + type_name<T2>() + ">"; } template <typename... T> std::string type_list_to_string() { std::string result; auto unused = {(result += type_name<T>() + ", ", 0)..., 0}; static_cast<void>(unused); #if DBG_MACRO_CXX_STANDARD >= 17 if constexpr (sizeof...(T) > 0) { #else if (sizeof...(T) > 0) { #endif result.pop_back(); result.pop_back(); } return result; } template <typename... T> std::string get_type_name(type_tag<std::tuple<T...>>) { return "std::tuple<" + type_list_to_string<T...>() + ">"; } template <typename T> inline std::string get_type_name(type_tag<print_formatted<T>>) { return type_name<T>(); } // Implementation of 'is_detected' to specialize for container-like types namespace detail_detector { struct nonesuch { nonesuch() = delete; ~nonesuch() = delete; nonesuch(nonesuch const&) = delete; void operator=(nonesuch const&) = delete; }; template <typename...> using void_t = void; template <class Default, class AlwaysVoid, template <class...> class Op, class... Args> struct detector { using value_t = std::false_type; using type = Default; }; template <class Default, template <class...> class Op, class... Args> struct detector<Default, void_t<Op<Args...>>, Op, Args...> { using value_t = std::true_type; using type = Op<Args...>; }; } // namespace detail_detector template <template <class...> class Op, class... Args> using is_detected = typename detail_detector:: detector<detail_detector::nonesuch, void, Op, Args...>::value_t; namespace detail { namespace { using std::begin; using std::end; #if DBG_MACRO_CXX_STANDARD < 17 template <typename T> constexpr auto size(const T& c) -> decltype(c.size()) { return c.size(); } template <typename T, std::size_t N> constexpr std::size_t size(const T (&)[N]) { return N; } #else using std::size; #endif } // namespace template <typename T> using detect_begin_t = decltype(detail::begin(std::declval<T>())); template <typename T> using detect_end_t = decltype(detail::end(std::declval<T>())); template <typename T> using detect_size_t = decltype(detail::size(std::declval<T>())); template <typename T> struct is_container { static constexpr bool value = is_detected<detect_begin_t, T>::value && is_detected<detect_end_t, T>::value && is_detected<detect_size_t, T>::value && !std::is_same<std::string, typename std::remove_cv< typename std::remove_reference<T>::type>::type>::value; }; template <typename T> using ostream_operator_t = decltype(std::declval<std::ostream&>() << std::declval<T>()); template <typename T> struct has_ostream_operator : is_detected<ostream_operator_t, T> {}; } // namespace detail // Helper to dbg(…)-print types template <typename T> struct print_type {}; template <typename T> print_type<T> type() { return print_type<T>{}; } // Specializations of "pretty_print" template <typename T> inline void pretty_print(std::ostream& stream, const T& value, std::true_type) { stream << value; } template <typename T> inline void pretty_print(std::ostream&, const T&, std::false_type) { static_assert(detail::has_ostream_operator<const T&>::value, "Type does not support the << ostream operator"); } template <typename T> inline typename std::enable_if<!detail::is_container<const T&>::value && !std::is_enum<T>::value, bool>::type pretty_print(std::ostream& stream, const T& value) { pretty_print(stream, value, typename detail::has_ostream_operator<const T&>::type{}); return true; } inline bool pretty_print(std::ostream& stream, const bool& value) { stream << std::boolalpha << value; return true; } inline bool pretty_print(std::ostream& stream, const char& value) { const bool printable = value >= 0x20 && value <= 0x7E; if (printable) { stream << "'" << value << "'"; } else { stream << "'\\x" << std::setw(2) << std::setfill('0') << std::hex << std::uppercase << (0xFF & value) << "'"; } return true; } template <typename P> inline bool pretty_print(std::ostream& stream, P* const& value) { if (value == nullptr) { stream << "nullptr"; } else { stream << value; } return true; } template <typename T, typename Deleter> inline bool pretty_print(std::ostream& stream, std::unique_ptr<T, Deleter>& value) { pretty_print(stream, value.get()); return true; } template <typename T> inline bool pretty_print(std::ostream& stream, std::shared_ptr<T>& value) { pretty_print(stream, value.get()); stream << " (use_count = " << value.use_count() << ")"; return true; } template <size_t N> inline bool pretty_print(std::ostream& stream, const char (&value)[N]) { stream << value; return false; } template <> inline bool pretty_print(std::ostream& stream, const char* const& value) { stream << '"' << value << '"'; return true; } template <size_t Idx> struct pretty_print_tuple { template <typename... Ts> static void print(std::ostream& stream, const std::tuple<Ts...>& tuple) { pretty_print_tuple<Idx - 1>::print(stream, tuple); stream << ", "; pretty_print(stream, std::get<Idx>(tuple)); } }; template <> struct pretty_print_tuple<0> { template <typename... Ts> static void print(std::ostream& stream, const std::tuple<Ts...>& tuple) { pretty_print(stream, std::get<0>(tuple)); } }; template <typename... Ts> inline bool pretty_print(std::ostream& stream, const std::tuple<Ts...>& value) { stream << "{"; pretty_print_tuple<sizeof...(Ts) - 1>::print(stream, value); stream << "}"; return true; } template <> inline bool pretty_print(std::ostream& stream, const std::tuple<>&) { stream << "{}"; return true; } template <> inline bool pretty_print(std::ostream& stream, const time&) { using namespace std::chrono; const auto now = system_clock::now(); const auto us = duration_cast<microseconds>(now.time_since_epoch()).count() % 1000000; const auto hms = system_clock::to_time_t(now); const std::tm* tm = std::localtime(&hms); stream << "current time = " << std::put_time(tm, "%H:%M:%S") << '.' << std::setw(6) << std::setfill('0') << us; return false; } // Converts decimal integer to binary string template <typename T> std::string decimalToBinary(T n) { const size_t length = 8 * sizeof(T); std::string toRet; toRet.resize(length); for (size_t i = 0; i < length; ++i) { const auto bit_at_index_i = static_cast<char>((n >> i) & 1); toRet[length - 1 - i] = bit_at_index_i + '0'; } return toRet; } template <typename T> inline bool pretty_print(std::ostream& stream, const print_formatted<T>& value) { if (value.inner < 0) { stream << "-"; } stream << value.prefix(); // Print using setbase if (value.base != 2) { stream << std::setw(sizeof(T)) << std::setfill('0') << std::setbase(value.base) << std::uppercase; if (value.inner >= 0) { // The '+' sign makes sure that a uint_8 is printed as a number stream << +value.inner; } else { using unsigned_type = typename std::make_unsigned<T>::type; stream << +(static_cast<unsigned_type>(-(value.inner + 1)) + 1); } } else { // Print for binary if (value.inner >= 0) { stream << decimalToBinary(value.inner); } else { using unsigned_type = typename std::make_unsigned<T>::type; stream << decimalToBinary<unsigned_type>( static_cast<unsigned_type>(-(value.inner + 1)) + 1); } } return true; } template <typename T> inline bool pretty_print(std::ostream& stream, const print_type<T>&) { stream << type_name<T>(); stream << " [sizeof: " << sizeof(T) << " byte, "; stream << "trivial: "; if (std::is_trivial<T>::value) { stream << "yes"; } else { stream << "no"; } stream << ", standard layout: "; if (std::is_standard_layout<T>::value) { stream << "yes"; } else { stream << "no"; } stream << "]"; return false; } template <typename Enum> inline typename std::enable_if<std::is_enum<Enum>::value, bool>::type pretty_print(std::ostream& stream, Enum const& value) { using UnderlyingType = typename std::underlying_type<Enum>::type; stream << static_cast<UnderlyingType>(value); return true; } inline bool pretty_print(std::ostream& stream, const std::string& value) { stream << '"' << value << '"'; return true; } #if DBG_MACRO_CXX_STANDARD >= 17 inline bool pretty_print(std::ostream& stream, const std::string_view& value) { stream << '"' << std::string(value) << '"'; return true; } #endif template <typename T1, typename T2> inline bool pretty_print(std::ostream& stream, const std::pair<T1, T2>& value) { stream << "{"; pretty_print(stream, value.first); stream << ", "; pretty_print(stream, value.second); stream << "}"; return true; } #if DBG_MACRO_CXX_STANDARD >= 17 template <typename T> inline bool pretty_print(std::ostream& stream, const std::optional<T>& value) { if (value) { stream << '{'; pretty_print(stream, *value); stream << '}'; } else { stream << "nullopt"; } return true; } template <typename... Ts> inline bool pretty_print(std::ostream& stream, const std::variant<Ts...>& value) { stream << "{"; std::visit([&stream](auto&& arg) { pretty_print(stream, arg); }, value); stream << "}"; return true; } #endif template <typename Container> inline typename std::enable_if<detail::is_container<const Container&>::value, bool>::type pretty_print(std::ostream& stream, const Container& value) { stream << "{"; const size_t size = detail::size(value); const size_t n = std::min(size_t{10}, size); size_t i = 0; using std::begin; using std::end; for (auto it = begin(value); it != end(value) && i < n; ++it, ++i) { pretty_print(stream, *it); if (i != n - 1) { stream << ", "; } } if (size > n) { stream << ", ..."; stream << " size:" << size; } stream << "}"; return true; } template <typename T, typename... U> struct last { using type = typename last<U...>::type; }; template <typename T> struct last<T> { using type = T; }; template <typename... T> using last_t = typename last<T...>::type; class DebugOutput { public: // Helper alias to avoid obscure type `const char* const*` in signature. using expr_t = const char*; DebugOutput(const char* filepath, int line, const char* function_name) : m_use_colorized_output(isColorizedOutputEnabled()) { std::string path = filepath; const std::size_t path_length = path.length(); if (path_length > MAX_PATH_LENGTH) { path = ".." + path.substr(path_length - MAX_PATH_LENGTH, MAX_PATH_LENGTH); } std::stringstream ss; ss << ansi(ANSI_DEBUG) << "[" << path << ":" << line << " (" << function_name << ")] " << ansi(ANSI_RESET); m_location = ss.str(); } template <typename... T> auto print(std::initializer_list<expr_t> exprs, std::initializer_list<std::string> types, T&&... values) -> last_t<T...> { if (exprs.size() != sizeof...(values)) { std::cerr << m_location << ansi(ANSI_WARN) << "The number of arguments mismatch, please check unprotected comma" << ansi(ANSI_RESET) << std::endl; } return print_impl(exprs.begin(), types.begin(), std::forward<T>(values)...); } private: template <typename T> T&& print_impl(const expr_t* expr, const std::string* type, T&& value) { const T& ref = value; std::stringstream stream_value; const bool print_expr_and_type = pretty_print(stream_value, ref); std::stringstream output; output << m_location; if (print_expr_and_type) { output << ansi(ANSI_EXPRESSION) << *expr << ansi(ANSI_RESET) << " = "; } output << ansi(ANSI_VALUE) << stream_value.str() << ansi(ANSI_RESET); if (print_expr_and_type) { output << " (" << ansi(ANSI_TYPE) << *type << ansi(ANSI_RESET) << ")"; } output << std::endl; std::cerr << output.str(); return std::forward<T>(value); } template <typename T, typename... U> auto print_impl(const expr_t* exprs, const std::string* types, T&& value, U&&... rest) -> last_t<T, U...> { print_impl(exprs, types, std::forward<T>(value)); return print_impl(exprs + 1, types + 1, std::forward<U>(rest)...); } const char* ansi(const char* code) const { if (m_use_colorized_output) { return code; } else { return ANSI_EMPTY; } } const bool m_use_colorized_output; std::string m_location; static constexpr std::size_t MAX_PATH_LENGTH = 20; static constexpr const char* const ANSI_EMPTY = ""; static constexpr const char* const ANSI_DEBUG = "\x1b[02m"; static constexpr const char* const ANSI_WARN = "\x1b[33m"; static constexpr const char* const ANSI_EXPRESSION = "\x1b[36m"; static constexpr const char* const ANSI_VALUE = "\x1b[01m"; static constexpr const char* const ANSI_TYPE = "\x1b[32m"; static constexpr const char* const ANSI_RESET = "\x1b[0m"; }; // Identity function to suppress "-Wunused-value" warnings in DBG_MACRO_DISABLE // mode template <typename T> T&& identity(T&& t) { return std::forward<T>(t); } template <typename T, typename... U> auto identity(T&&, U&&... u) -> last_t<U...> { return identity(std::forward<U>(u)...); } } // namespace dbg #ifndef DBG_MACRO_DISABLE // Force expanding argument with commas for MSVC, ref: // https://stackoverflow.com/questions/35210637/macro-expansion-argument-with-commas // Note that "args" should be a tuple with parentheses, such as "(e1, e2, ...)". #define DBG_IDENTITY(x) x #define DBG_CALL(fn, args) DBG_IDENTITY(fn args) #define DBG_CAT_IMPL(_1, _2) _1##_2 #define DBG_CAT(_1, _2) DBG_CAT_IMPL(_1, _2) #define DBG_16TH_IMPL(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, \ _14, _15, _16, ...) \ _16 #define DBG_16TH(args) DBG_CALL(DBG_16TH_IMPL, args) #define DBG_NARG(...) \ DBG_16TH((__VA_ARGS__, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)) // DBG_VARIADIC_CALL(fn, data, e1, e2, ...) => fn_N(data, (e1, e2, ...)) #define DBG_VARIADIC_CALL(fn, data, ...) \ DBG_CAT(fn##_, DBG_NARG(__VA_ARGS__))(data, (__VA_ARGS__)) // (e1, e2, e3, ...) => e1 #define DBG_HEAD_IMPL(_1, ...) _1 #define DBG_HEAD(args) DBG_CALL(DBG_HEAD_IMPL, args) // (e1, e2, e3, ...) => (e2, e3, ...) #define DBG_TAIL_IMPL(_1, ...) (__VA_ARGS__) #define DBG_TAIL(args) DBG_CALL(DBG_TAIL_IMPL, args) #define DBG_MAP_1(fn, args) DBG_CALL(fn, args) #define DBG_MAP_2(fn, args) fn(DBG_HEAD(args)), DBG_MAP_1(fn, DBG_TAIL(args)) #define DBG_MAP_3(fn, args) fn(DBG_HEAD(args)), DBG_MAP_2(fn, DBG_TAIL(args)) #define DBG_MAP_4(fn, args) fn(DBG_HEAD(args)), DBG_MAP_3(fn, DBG_TAIL(args)) #define DBG_MAP_5(fn, args) fn(DBG_HEAD(args)), DBG_MAP_4(fn, DBG_TAIL(args)) #define DBG_MAP_6(fn, args) fn(DBG_HEAD(args)), DBG_MAP_5(fn, DBG_TAIL(args)) #define DBG_MAP_7(fn, args) fn(DBG_HEAD(args)), DBG_MAP_6(fn, DBG_TAIL(args)) #define DBG_MAP_8(fn, args) fn(DBG_HEAD(args)), DBG_MAP_7(fn, DBG_TAIL(args)) #define DBG_MAP_9(fn, args) fn(DBG_HEAD(args)), DBG_MAP_8(fn, DBG_TAIL(args)) #define DBG_MAP_10(fn, args) fn(DBG_HEAD(args)), DBG_MAP_9(fn, DBG_TAIL(args)) #define DBG_MAP_11(fn, args) fn(DBG_HEAD(args)), DBG_MAP_10(fn, DBG_TAIL(args)) #define DBG_MAP_12(fn, args) fn(DBG_HEAD(args)), DBG_MAP_11(fn, DBG_TAIL(args)) #define DBG_MAP_13(fn, args) fn(DBG_HEAD(args)), DBG_MAP_12(fn, DBG_TAIL(args)) #define DBG_MAP_14(fn, args) fn(DBG_HEAD(args)), DBG_MAP_13(fn, DBG_TAIL(args)) #define DBG_MAP_15(fn, args) fn(DBG_HEAD(args)), DBG_MAP_14(fn, DBG_TAIL(args)) #define DBG_MAP_16(fn, args) fn(DBG_HEAD(args)), DBG_MAP_15(fn, DBG_TAIL(args)) // DBG_MAP(fn, e1, e2, e3, ...) => fn(e1), fn(e2), fn(e3), ... #define DBG_MAP(fn, ...) DBG_VARIADIC_CALL(DBG_MAP, fn, __VA_ARGS__) #define DBG_STRINGIFY_IMPL(x) #x #define DBG_STRINGIFY(x) DBG_STRINGIFY_IMPL(x) #define DBG_TYPE_NAME(x) dbg::type_name<decltype(x)>() #define dbg(...) \ dbg::DebugOutput(__FILE__, __LINE__, __func__) \ .print({DBG_MAP(DBG_STRINGIFY, __VA_ARGS__)}, \ {DBG_MAP(DBG_TYPE_NAME, __VA_ARGS__)}, __VA_ARGS__) #else #define dbg(...) dbg::identity(__VA_ARGS__) #endif // DBG_MACRO_DISABLE #endif // DBG_MACRO_DBG_H int main() { dbg("hello"); }
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