File indexing completed on 2024-05-12 04:02:10

 #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 */ \
     char const 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
 0286 ">#
 #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
 
 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'; // 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\t\012\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();
 [[using gnu: 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
  * @param p1 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
 
 /// \b sa