highlight.cpp

#pragma once
#include <cassert>
#include <assert.h>
#include "assert.h"
#include "assert.hpp"// abc
#include "path/assert.hpp"
#include "assert.h"a
#include "assert.h"a
#include <cassert>a
#include <cassert>a
#include FOO() error
#include_next <cassert>a
#include_next <cassert>/* a
 */b
#include PATH_IN_MACRO
#include PATH_IN_MACRO()
#include PATH_IN_MACRO(a, b)
#define SOME_VAR 1
#ifdef SOME_VAR
#define MULTILINE_MACRO one \
two \
three
# define MULTILINE_MACRO_TEXT \
/* NOTE The contents of macro is too green :D */\
charconst s[]="a\\b"\
"c\nd"\
std::uint##x##_t\
std::vector/**/<T>\
std::chrono::/*milli*/seconds
# define VARIADIC(a,...)\
 f(a##a)\
 f(__VA_ARGS__)\
 f(#__VA_ARGS__)\
 f(__VA_ARGS__)\
 f(0__VA_OPT__(,)__VA_ARGS__)\
 x __VA_OPT__(={__VA_ARGS__})
# define MACRO()BAD\ESCAPED
# error dds
# warning dds
# line 2 "file.cpp"
# define A(x, y) x##y x#y
// OK(L, a) -> L"a"
# define OK(x, y) x###y
# define BAD(x, y) x####y
# define A /* multi line
with comment */ expr
# define A /* multi line
with comment */
23
#else // x
#42 // gcc extension = #line 42
// error
#wrong
# wrong
#endif x
#if DS()
#else x
#else /* */x
#else /* x
y */z
#endif
// check that _XXX defines work, bug 397766
#ifndef _HEADER_GUARD
#define _HEADER_GUARD 1
#endif
#ifdef _HEADER_GUARD
#if (_HEADER_GUARD>= 1)
#endif
#endif
static int g_global;
template<class T, typename U, template<class> class = std::is_pointer>
struct class1
 : private std::vector<T>, public U
{
 class1()
 try
 : _member1(xxx)
 {}
 catch(...)
 {}
 class1(class1&&) = default;
 ~class1()
 {}
 void foo() { return; }
 void foo() const { return; }
 void foo() noexcept { return; }
 void foo() const noexcept { return; }
 virtual void foo() const noexcept { return; }
 static void foo() { return; }
 constexpr static void foo() const
 noexcept(noexcept(std::is_pointer<U>::value)) override
 {
 xxx::template ttt<U>::type {};
 xxx.template get<U>();
 xxx.std::rdbuf();
 auto x = C<'a'> + y;
 }
 int operator->*(T (C::*m)(int));
 operator value_t ();
private:
protected:
public:
 value_type _member1; // NOTE internal ?
 value_type __internal;
 value_type internal__;
 value_type _M_internal;
 value_t member2_;
 value_type m_member3;
 static int s_static;
 static constexpr int s_static;
 static inline int s_static;
 static inline constexpr int s_static;
};
constexpr struct : xyz
{
 using xyz::xyz;
 using xyz::operator=;
 int a : 1;
 int b : 7;
} x {};
template<class T>
using is_pointer = std::is_pointer<T>::type;
template<class T>
constexpr auto is_pointer_v = std::is_pointer<T>::value;
uint64_t namespaces()
{
 std::vector<T>;
 boost::vector<T>;
 detail::vector<T>;
 details::vector<T>;
 aux::vector<T>;
 internals::vector<T>;
 other::vector<T>;
}
task<> tcp_echo_server() {
 char data[1024];
 for (;;) {
 size_t n = co_await socket.async_read_some(buffer(data));
 co_await async_write(socket, buffer(data, n));
 }
}
#if 1
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 0
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 1
 double foo(const A);
#elif 1
 double foo(const A);
#elif 0
 double foo(const A);
#endif // end
#if 0
 double foo(const A);
#elif 1
 double foo(const A);
#elif 0
 double foo(const A);
#endif // end
#if 0
 double foo(const A);
#elif a
 double foo(const A);
#elif 0
 double foo(const A);
#elif a
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 0 // blah blah
 double foo(const A);
#elif 1 // blah blah
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 0 || a
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 1 || a
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 0 && a
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if 1 && a
 double foo(const A);
#else // else
 double foo(const A);
#endif // end
#if a
 double foo(const A);
#elif 0
 double foo(const A);
#endif // end
#if a
 double foo(const A);
#elif 1
 double foo(const A);
#endif // end
#if a
 double foo(const A);
#elif a
 double foo(const A);
#endif // end
int bar(void*p, void * pp)
{
# if 0
 double foo();
# else // else
 double foo();
# endif // end
}
#if abc 0
 double foo();
#endif // end
#if xxx
 double foo();
#else
 double foo();
#endif // end
#if xxx
 double foo();
#elif xxx // elseif
 double foo();
#elif xxx // elseif
 double foo();
#endif // end
// error
#
#d
# d
#if
#elif
#endif
#ifndef
#endif
#ifdef 0
#endif // end
static uint64_t intWithSuffix = 42ull;
static long intWithSuffixAndPrefix = 0b0101L;
static int octNum = 07232;
static int invalidOctNum = 09231;
static uint64_t hexNum = 0xDEADBEEF42;
static uint64_t invalidHexNum = 0xGLDFKG;
static char binNum = 0b0101010;
static int64_t intWithSuffix = -42LL;
static long intWithSuffixAndPrefix = -0b0101L;
static int octNum = -07232;
static int invalidOctNum = -09231;
static int64_t hexNum = -0xDEADBEEF42;
static int64_t invalidHexNum = -0xGLDFKG;
static char binNum = -0b0101010;
static uint64_t intWithSuffixWithSep = 4'2ull;
static long intWithSuffixAndPrefixWithSep = 0b0'10'1L;
static int octNumWithSep = 07'232;
static int invalidOctNumWithSep = 09'23'1;
static uint64_t hexNumWithSep = 0xD'EAD'BE'EF'42;
static uint64_t invalidHexNumWithSep = 0xGLD'FKG;
static char binNumWithSep = 0b0'1010'10;
static uint64_t invalidSep = 42'ull;
static uint64_t invalidSep = 42';
static double d1 = 42.;
static double d2 = .42;
static double d2a = -0.49;
static double d2b = -0.09;
static double d3 = 42.3e1;
static double d4 = .2e-12;
static double d5 = 32.e+12;
static double invalidD1 = 32.e+a12;
static float floatQualifier = 23.123f;
// Hexadecimal floating point (c++17)
static double d6 = 0x1ffp10;
static double d7 = 0X0p-1;
static double d8 = 0x1.p0;
static double d9 = 0xf.p-1L;
static double d10 = 0x0.123p-1;
static double d11 = 0xa.bp10l;
static double invalidD2 = 0x0.123p-a;
static float floatQualifier = 0xf.p-1f;
60min; // c++17
60.min;
60.3min;
0x1ffp10min;
2us
2d; // c++20
23._f
23._fd
2.3_f
2.3_fd
2._f
2._fd
2e4_f
2e4_fd
// error
23.fd
2e_fd
2e
1.y
1.0_E+2.0
1.0_E +2.0 // ok
1_p+2
1_p +2 // ok
4s.count()
4s. count()
4s .count() // ok
// float suffix
1.2f
1.2f3
1.2f32 // C++23
12f32
12BF32
12BF16
12.BF16 // C++23
static bool yes = true;
static bool no = false;
// *char*
static const char c1 = 'c';
static const char c1a = u8'c'; // utf-8 char (c++17)
static const char16_t c1b = u'c';
static const char32_t c1c = U'c';
static const wchar_t c1d = L'c';
static const char c2 = '\n';
static const char c2a = '120円'; // octal
static const char c2b = '\x1f'; // hex
static const char c2c = '\'';
static const char c2d = '\\';
static const wchar_t c2e = L'\x1ff'; // hex
static const wchar_t c2e = U'\x1fffffff'; // hex
// error
'\x123';
'\u1234';
'\U12345678';
U'\u12345';
u'\u123';
U'\U1234567';
U'\U123456789';
U'\x123456789';
// string
static const char* c3 = "string";
static const char* c4 = "\"string\n\t012円\x12\"";
static const char* c5 = "multiline \
 string";
static const char* c6 = "multifragment" "other""string";
static const char* c6a = u8"string";
static const char16_t* c6b = u"string";
static const char32_t* c6c = U"string";
static const wchar_t* c6d = L"string";
static const char* rawString1 = R"(string)";
static const char* rawString1a = u8R"(string)";
static const char16_t* rawString1b = uR"(string)";
static const char32_t* rawString1c = UR"(string)";
static const wchar_t* rawString1d = LR"(string\nstring)";
static const char* rawString2 = R"ab(string\nstring%s)ab ")ab";
static const char* rawString3 = R"ab(string
string%)ab";
" %d%df fd" U"ds %d" R"(a%d)";
"\x{12343}\x{1}\o{12121}\u{1221a}\N{LATIN CAPITAL LETTER A WITH MACRON}"
 "\x123xsk";
 u"\x123xsk";
// error
u8"\x123xsk";
"\x{123x43} \o{121821} \u{12x21as} \N{LATIN CAPITAL letter A WITH MACRON}"
// printf format
"a%10sa%-10sa%*sa%-10.*sa%-*.*sa"
"a%ca%*ca%%a%ia%da%.6ia%.0ia%+ia%ia%xa%#xa"
"a%.0fa%.32fa%05.2fa%.2fa%5.2fa%Ea%aa"
// std::format
"a{{:6}}a{}a{:6}a{:*<6}a{:6d}a"
"a{0:}a{0:+}a{0:-}a{0: }a"
"a{:+06d}a{:#06x}a{:<06}a"
"a{:{}}a{0:{1}.{2}f}a"
;
// UDL (c++11)
operator""_a(const char*);
operator ""_a(const char*);
operator "" _a(const char*);
// invalid suffix
operator "" a(const char*);
operator ""a(const char*);
operator""a(const char*);
"string"_s; // user
"string"s; // standard
"string"_s-b; // -b is not part of the string
// Macro
MY_XXX;
BOOST_XXX;
__STDC_VERSION__;
__TIME__;
__cplusplus;
// Attributes
[[noreturn]] void foo();
[[deprecated]] void foo();
[[deprecated("because")]] void foo();
void foo([[carries_dependency]] int);
[[opt(1), debug]]
[[using CC: opt(1), debug]] // c++17
[[using CC: CC::opt(1)]] // c++17
[[gnu::assume_aligned(3'2l,2)]] void* f();
[[usinggnu: assume_aligned(3)]]
[[clang::assume_aligned(3)]]
void f([[maybe_unused]] int val)
{
 [[maybe_unused]] int x;
 switch (x = foo(); x) {
 case 1:
 [[fallthrough]];
 case XXX:
 case Class::foo():
 [[fallthrough]];
 default:
 ;
 }
 // c++17: fold expression
 (args + ... + (1 * 2));
 (v.push_back(args), ...);
 [[omp::parallel]] for (auto&& x : v)
 x;
 for (auto&& [first,second] : mymap) {
 }
 auto [x, y] = foo();
 [x = 1, =y](){};
 decltype((auto)) x = foo();
}
auto f() -> decltype(foo());
__attribute__((pure)) void f();
label:
goto label;
//BEGIN region
// TODO comment FIXME comment ### comment BUG comment
//END region
// \brief blah blah
/// \brief blah blah
/**
 * Doxygen
 * @paramp1 text
 * \brief<b>bold text</b>
 * \dot
 * a -> b
 *\enddot
 *
 * \verbatim
 * <dummy>
 *\endverbatim
 * <html>text</html>
 */
#endif
// Some GNU macros, cross-referenced from gcc.xml to isocpp.xml
__GCC_ATOMIC_CHAR16_T_LOCK_FREE
__GNUC__
__linux__
// Digraphs (see bug #411508)
%:include <stdio.h>
int main()
<%
 [](){%>();
}
<:<:fallthrough]]
/**
 * multi-line comment
 */
/* comment */
{ { } {
//BEGIN
}
//END
}
#if 0
#elif 1
#else
#endif
#if 1
int x; // variable shall not be grey
#endif
#if defined (A)
int y; // variable shall not be grey
#elif defined (B)
int z; // variable shall not be grey
#endif
/*!
 * formula @f$a+b@f$ inside a block comment
 */
//! formula @f$a+b@f$ inside a inline comment
// formula @f$a+b@f$ inside a normal comment
/// \bsa