585 lines
11 KiB
C++
585 lines
11 KiB
C++
#pragma once
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#include <cassert>
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#include <assert.h>
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#include "assert.h"
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#include "assert.hpp" // abc
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#include "path/assert.hpp"
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#include "assert.h"a
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#include "assert.h" a
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#include <cassert>a
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#include <cassert> a
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#include FOO() error
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#include_next <cassert> a
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#include_next <cassert> /* a
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*/ b
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#include PATH_IN_MACRO
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#include PATH_IN_MACRO()
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#include PATH_IN_MACRO(a, b)
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#define SOME_VAR 1
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#ifdef SOME_VAR
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#define MULTILINE_MACRO one \
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two \
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three
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# define MULTILINE_MACRO_TEXT \
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/* NOTE The contents of macro is too green :D */ \
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char const s[] = "a\\b" \
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"c\nd" \
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std::uint##x##_t \
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std::vector/**/<T> \
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std::chrono::/*milli*/seconds
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# define VARIADIC(a, ...) \
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f(a##a) \
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f(__VA_ARGS__) \
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f(#__VA_ARGS__) \
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f(__VA_ARGS__) \
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f(0 __VA_OPT__(,) __VA_ARGS__) \
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x __VA_OPT__(= { __VA_ARGS__ })
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# define MACRO() BAD \ ESCAPED
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# error dds
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# warning dds
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# line 2 "file.cpp"
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# define A(x, y) x##y x#y
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// OK(L, a) -> L"a"
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# define OK(x, y) x###y
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# define BAD(x, y) x####y
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# define A /* multi line
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with comment */ expr
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# define A /* multi line
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with comment */
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23
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#else // x
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#42 // gcc extension = #line 42
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// error
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#wrong
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# wrong
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#endif x
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#if DS()
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#else x
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#else /* */x
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#else /* x
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y */ z
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#endif
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// check that _XXX defines work, bug 397766
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#ifndef _HEADER_GUARD
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#define _HEADER_GUARD 1
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#endif
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#ifdef _HEADER_GUARD
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#if (_HEADER_GUARD >= 1)
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#endif
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#endif
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static int g_global;
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template<class T, typename U, template<class> class = std::is_pointer>
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struct class1
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: private std::vector<T>, public U
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{
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class1()
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try
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: _member1(xxx)
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{}
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catch(...)
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{}
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class1(class1&&) = default;
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~class1()
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{}
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void foo() { return; }
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void foo() const { return; }
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void foo() noexcept { return; }
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void foo() const noexcept { return; }
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virtual void foo() const noexcept { return; }
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static void foo() { return; }
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constexpr static void foo() const
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noexcept(noexcept(std::is_pointer<U>::value)) override
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{
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xxx::template ttt<U>::type {};
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xxx.template get<U>();
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xxx.std::rdbuf();
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auto x = C<'a'> + y;
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}
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int operator->*(T (C::*m)(int));
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operator value_t ();
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private:
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protected:
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public:
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value_type _member1; // NOTE internal ?
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value_type __internal;
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value_type internal__;
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value_type _M_internal;
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value_t member2_;
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value_type m_member3;
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static int s_static;
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static constexpr int s_static;
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static inline int s_static;
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static inline constexpr int s_static;
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};
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constexpr struct : xyz
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{
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using xyz::xyz;
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using xyz::operator=;
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int a : 1;
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int b : 7;
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} x {};
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template<class T>
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using is_pointer = std::is_pointer<T>::type;
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template<class T>
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constexpr auto is_pointer_v = std::is_pointer<T>::value;
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uint64_t namespaces()
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{
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std::vector<T>;
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boost::vector<T>;
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detail::vector<T>;
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details::vector<T>;
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aux::vector<T>;
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internals::vector<T>;
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other::vector<T>;
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}
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task<> tcp_echo_server() {
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char data[1024];
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for (;;) {
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size_t n = co_await socket.async_read_some(buffer(data));
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co_await async_write(socket, buffer(data, n));
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}
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}
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#if 1
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 0
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 1
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double foo(const A);
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#elif 1
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double foo(const A);
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#elif 0
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double foo(const A);
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#endif // end
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#if 0
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double foo(const A);
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#elif 1
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double foo(const A);
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#elif 0
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double foo(const A);
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#endif // end
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#if 0
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double foo(const A);
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#elif a
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double foo(const A);
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#elif 0
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double foo(const A);
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#elif a
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 0 // blah blah
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double foo(const A);
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#elif 1 // blah blah
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 0 || a
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 1 || a
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 0 && a
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if 1 && a
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double foo(const A);
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#else // else
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double foo(const A);
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#endif // end
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#if a
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double foo(const A);
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#elif 0
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double foo(const A);
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#endif // end
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#if a
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double foo(const A);
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#elif 1
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double foo(const A);
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#endif // end
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#if a
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double foo(const A);
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#elif a
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double foo(const A);
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#endif // end
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int bar(void*p, void * pp)
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{
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# if 0
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double foo();
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# else // else
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double foo();
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# endif // end
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}
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#if abc 0
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double foo();
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#endif // end
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#if xxx
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double foo();
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#else
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double foo();
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#endif // end
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#if xxx
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double foo();
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#elif xxx // elseif
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double foo();
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#elif xxx // elseif
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double foo();
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#endif // end
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// error
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#
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#d
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# d
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#if
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#elif
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#endif
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#ifndef
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#endif
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#ifdef 0
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#endif // end
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static uint64_t intWithSuffix = 42ull;
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static long intWithSuffixAndPrefix = 0b0101L;
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static int octNum = 07232;
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static int invalidOctNum = 09231;
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static uint64_t hexNum = 0xDEADBEEF42;
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static uint64_t invalidHexNum = 0xGLDFKG;
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static char binNum = 0b0101010;
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static int64_t intWithSuffix = -42LL;
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static long intWithSuffixAndPrefix = -0b0101L;
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static int octNum = -07232;
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static int invalidOctNum = -09231;
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static int64_t hexNum = -0xDEADBEEF42;
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static int64_t invalidHexNum = -0xGLDFKG;
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static char binNum = -0b0101010;
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static uint64_t intWithSuffixWithSep = 4'2ull;
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static long intWithSuffixAndPrefixWithSep = 0b0'10'1L;
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static int octNumWithSep = 07'232;
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static int invalidOctNumWithSep = 09'23'1;
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static uint64_t hexNumWithSep = 0xD'EAD'BE'EF'42;
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static uint64_t invalidHexNumWithSep = 0xGLD'FKG;
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static char binNumWithSep = 0b0'1010'10;
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static uint64_t invalidSep = 42'ull;
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static uint64_t invalidSep = 42';
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static double d1 = 42.;
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static double d2 = .42;
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static double d2a = -0.49;
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static double d2b = -0.09;
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static double d3 = 42.3e1;
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static double d4 = .2e-12;
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static double d5 = 32.e+12;
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static double invalidD1 = 32.e+a12;
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static float floatQualifier = 23.123f;
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// Hexadecimal floating point (c++17)
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static double d6 = 0x1ffp10;
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static double d7 = 0X0p-1;
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static double d8 = 0x1.p0;
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static double d9 = 0xf.p-1L;
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static double d10 = 0x0.123p-1;
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static double d11 = 0xa.bp10l;
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static double invalidD2 = 0x0.123p-a;
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static float floatQualifier = 0xf.p-1f;
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60min; // c++17
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60.min;
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60.3min;
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0x1ffp10min;
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2us
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2d; // c++20
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23._f
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23._fd
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2.3_f
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2.3_fd
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2._f
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2._fd
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2e4_f
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2e4_fd
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// error
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23.fd
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2e_fd
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2e
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1.y
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1.0_E+2.0
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1.0_E +2.0 // ok
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1_p+2
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1_p +2 // ok
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4s.count()
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4s. count()
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4s .count() // ok
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// float suffix
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1.2f
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1.2f3
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1.2f32 // C++23
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12f32
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12BF32
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12BF16
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12.BF16 // C++23
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static bool yes = true;
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static bool no = false;
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// *char*
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static const char c1 = 'c';
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static const char c1a = u8'c'; // utf-8 char (c++17)
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static const char16_t c1b = u'c';
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static const char32_t c1c = U'c';
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static const wchar_t c1d = L'c';
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static const char c2 = '\n';
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static const char c2a = '\120'; // octal
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static const char c2b = '\x1f'; // hex
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static const char c2c = '\'';
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static const char c2d = '\\';
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static const wchar_t c2e = L'\x1ff'; // hex
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static const wchar_t c2e = U'\x1fffffff'; // hex
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// error
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'\x123';
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'\u1234';
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'\U12345678';
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U'\u12345';
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u'\u123';
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U'\U1234567';
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U'\U123456789';
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U'\x123456789';
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// string
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static const char* c3 = "string";
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static const char* c4 = "\"string\n\t\012\x12\"";
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static const char* c5 = "multiline \
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string";
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static const char* c6 = "multifragment" "other""string";
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static const char* c6a = u8"string";
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static const char16_t* c6b = u"string";
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static const char32_t* c6c = U"string";
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static const wchar_t* c6d = L"string";
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static const char* rawString1 = R"(string)";
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static const char* rawString1a = u8R"(string)";
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static const char16_t* rawString1b = uR"(string)";
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static const char32_t* rawString1c = UR"(string)";
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static const wchar_t* rawString1d = LR"(string\nstring)";
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static const char* rawString2 = R"ab(string\nstring%s)ab ")ab";
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static const char* rawString3 = R"ab(string
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string%)ab";
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" %d %df fd" U"ds %d" R"(a%d)";
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"\x{12343} \x{1} \o{12121} \u{1221a} \N{LATIN CAPITAL LETTER A WITH MACRON}"
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"\x123xsk";
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u"\x123xsk";
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// error
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u8"\x123xsk";
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"\x{123x43} \o{121821} \u{12x21as} \N{LATIN CAPITAL letter A WITH MACRON}"
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// printf format
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"a%10sa%-10sa%*sa%-10.*sa%-*.*sa"
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"a%ca%*ca%%a%ia%da%.6ia%.0ia%+ia%ia%xa%#xa"
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"a%.0fa%.32fa%05.2fa%.2fa%5.2fa%Ea%aa"
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// std::format
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"a{{:6}}a{}a{:6}a{:*<6}a{:6d}a"
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"a{0:}a{0:+}a{0:-}a{0: }a"
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"a{:+06d}a{:#06x}a{:<06}a"
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"a{:{}}a{0:{1}.{2}f}a"
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;
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// UDL (c++11)
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operator""_a(const char*);
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operator ""_a(const char*);
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operator "" _a(const char*);
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// invalid suffix
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operator "" a(const char*);
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operator ""a(const char*);
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operator""a(const char*);
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"string"_s; // user
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"string"s; // standard
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"string"_s-b; // -b is not part of the string
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// Macro
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MY_XXX;
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BOOST_XXX;
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__STDC_VERSION__;
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__TIME__;
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__cplusplus;
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// Attributes
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[[noreturn]] void foo();
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[[deprecated]] void foo();
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[[deprecated("because")]] void foo();
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void foo([[carries_dependency]] int);
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[[opt(1), debug]]
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[[using CC: opt(1), debug]] // c++17
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[[using CC: CC::opt(1)]] // c++17
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[[gnu::assume_aligned(3'2l,2)]] void* f();
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[[using gnu: assume_aligned(3)]]
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[[clang::assume_aligned(3)]]
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void f([[maybe_unused]] int val)
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{
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[[maybe_unused]] int x;
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switch (x = foo(); x) {
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case 1:
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[[fallthrough]];
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case XXX:
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case Class::foo():
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[[fallthrough]];
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default:
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;
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}
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// c++17: fold expression
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(args + ... + (1 * 2));
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(v.push_back(args), ...);
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[[omp::parallel]] for (auto&& x : v)
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x;
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for (auto&& [first,second] : mymap) {
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}
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auto [x, y] = foo();
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[x = 1, =y](){};
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decltype((auto)) x = foo();
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}
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auto f() -> decltype(foo());
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__attribute__((pure)) void f();
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label:
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goto label;
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//BEGIN region
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// TODO comment FIXME comment ### comment BUG comment
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//END region
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// \brief blah blah
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/// \brief blah blah
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/**
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* Doxygen
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* @param p1 text
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* \brief <b>bold text</b>
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* \dot
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* a -> b
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* \enddot
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*
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* \verbatim
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* <dummy>
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* \endverbatim
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* <html>text</html>
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*/
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#endif
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// Some GNU macros, cross-referenced from gcc.xml to isocpp.xml
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__GCC_ATOMIC_CHAR16_T_LOCK_FREE
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__GNUC__
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__linux__
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// Digraphs (see bug #411508)
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%:include <stdio.h>
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int main()
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<%
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[](){%>();
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}
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<:<:fallthrough]]
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/**
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* multi-line comment
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*/
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/* comment */
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{ { } {
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//BEGIN
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}
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//END
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}
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#if 0
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#elif 1
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#else
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#endif
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#if 1
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int x; // variable shall not be grey
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#endif
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#if defined (A)
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int y; // variable shall not be grey
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#elif defined (B)
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int z; // variable shall not be grey
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#endif
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/*!
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* formula @f$a+b@f$ inside a block comment
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*/
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//! formula @f$a+b@f$ inside a inline comment
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// formula @f$a+b@f$ inside a normal comment
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/// \b sa
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