#ifndef types_h
#define types_h
+#include <sys/types.h>
#include <algorithm>
-using std::copy;
-using std::move;
-using std::max;
-using std::min;
-using std::min_element;
-using std::find;
-using std::count_if;
-
+#include <condition_variable>
#include <chrono>
-using std::chrono::seconds;
-using std::chrono::milliseconds;
-using std::chrono::microseconds;
-using std::chrono::nanoseconds;
-using std::chrono::steady_clock;
-using std::chrono::system_clock;
-using std::chrono::duration_cast;
-using std::chrono::time_point_cast;
-using std::chrono::time_point;
-
#include <exception>
-using std::exception;
-
#include <fstream>
-using std::ofstream;
-using std::ifstream;
-
-#ifndef LIBT4_NO_FUNCTIONAL
#include <functional>
-using std::function;
-using std::bind;
-using std::placeholders::_1;
-#endif
-
#include <iomanip>
#include <iostream>
-using std::cout;
-using std::cerr;
-using std::endl;
-using std::dec;
-using std::hex;
-using std::left;
-using std::setw;
-using std::setfill;
-using std::setprecision;
-using std::ostream;
-using std::istream;
-using std::ostream_iterator;
-using std::istream_iterator;
-
#include <limits>
-using std::numeric_limits;
-
#include <list>
-using std::list;
-
#include <map>
-using std::map;
-
+#include <memory>
#include <mutex>
-using std::mutex;
-using lock = std::unique_lock<std::mutex>;
-using cond = std::condition_variable;
-using std::cv_status;
-
+#include <random>
+#include <stdexcept>
#include <sstream>
-using std::ostringstream;
-using std::istringstream;
-
#include <string>
+#include <thread>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+#include <vector>
+
using std::string;
-using std::to_string;
-using std::stoi;
-#include <thread>
+using cond = std::condition_variable;
+using lock = std::unique_lock<std::mutex>;
using std::thread;
-#include <tuple>
+using std::shared_ptr;
+using std::unique_ptr;
+
using std::tuple;
-using std::get;
-using std::tie;
-#include <type_traits>
-using std::decay;
-using std::true_type;
-using std::false_type;
-using std::is_enum;
-using std::is_member_function_pointer;
-using std::is_same;
-using std::underlying_type;
using std::enable_if;
+using std::false_type;
+using std::true_type;
-#include <utility>
-using std::pair;
-using std::declval;
+// type traits and manipulators
-#include <vector>
-using std::vector;
+template <class A, typename I=void> struct is_const_iterable : false_type {};
+template<class A> struct is_const_iterable<A,
+ decltype(std::declval<A &>().cbegin(), std::declval<A &>().cend(), void())
+> : true_type {};
-template <class A, typename I=void> struct is_iterable : false_type {};
+template <class A, typename I=void> struct supports_emplace_back : false_type {};
-template<class A> struct is_iterable<A,
- decltype(declval<A&>().cbegin(), declval<A&>().cend(), void())
+template<class A> struct supports_emplace_back<A,
+ decltype(std::declval<A &>().emplace_back(std::declval<typename A::value_type>()), void())
> : true_type {};
+template<typename E> using enum_type_t = typename enable_if<
+ std::is_enum<E>::value, typename std::underlying_type<E>::type>::type;
+
+template<typename E> constexpr inline enum_type_t<E> from_enum(E e) noexcept { return (enum_type_t<E>)e; }
+template<typename E> constexpr inline E to_enum(enum_type_t<E> value) noexcept { return (E)value; }
+
+
+template <class A, typename I=void> struct is_tuple_convertible : false_type {};
+
+template<class A> struct is_tuple_convertible<A,
+ decltype(std::declval<A &>()._tuple_(), void())
+> : true_type {};
+
+// string manipulation
+
+template <class A, class B>
+std::ostream & operator<<(std::ostream & o, const std::pair<A,B> & d) {
+ return o << "<" << d.first << "," << d.second << ">";
+}
+
template <class C>
-inline typename enable_if<is_iterable<C>::value, string>::type
+inline typename enable_if<is_const_iterable<C>::value, string>::type
implode(const C & v, string delim=" ") {
- if (v.begin() == v.end())
+ auto i=v.cbegin(), end=v.cend();
+ if (i == end)
return string();
- ostringstream oss;
- auto last = prev(v.end());
- copy(v.begin(), last, ostream_iterator<typename C::value_type>(oss, delim.c_str()));
- oss << *last;
+ std::ostringstream oss;
+ oss << *i++;
+ while (i != end)
+ oss << delim << *i++;
return oss.str();
}
-inline vector<string> explode(const string &s, string delim=" ") {
- vector<string> out;
+inline std::vector<string> explode(const string & s, string delim=" ") {
+ std::vector<string> out;
size_t start = 0, end = 0;
while ((end = s.find(delim, start)) != string::npos) {
out.push_back(s.substr(start, end - start));
- start = end + 1;
+ start = end + delim.size();
}
out.push_back(s.substr(start));
return out;
}
-#include "lang/verify.h"
-#include "threaded_log.h"
+template <class A>
+typename enable_if<
+ is_const_iterable<A>::value &&
+ !std::is_same<A,string>::value, std::ostream>::type &
+operator<<(std::ostream & o, const A & a) {
+ return o << "[" << implode(a, ", ") << "]";
+}
+
+#include "verify.h"
+
+// struct tuple adapter, useful for marshalling and endian swapping. usage:
+//
+// struct foo {
+// int a, b;
+// MEMBERS(a, b)
+// };
#define MEMBERS(...) \
-inline auto _tuple_() -> decltype(tie(__VA_ARGS__)) { return tie(__VA_ARGS__); } \
-inline auto _tuple_() const -> decltype(tie(__VA_ARGS__)) { return tie(__VA_ARGS__); }
+inline auto _tuple_() -> decltype(std::tie(__VA_ARGS__)) { return std::tie(__VA_ARGS__); } \
+inline auto _tuple_() const -> decltype(std::tie(__VA_ARGS__)) { return std::tie(__VA_ARGS__); }
+
+// struct ordering and comparison operations; requires the use of MEMBERS.
+// usage:
+//
+// LEXICOGRAPHIC_COMPARISON(foo)
#define LEXICOGRAPHIC_OPERATOR(_c_, _op_) \
-inline bool operator _op_(const _c_ &b) const { return _tuple_() _op_ b._tuple_(); }
+inline bool operator _op_(const _c_ & b) const { return _tuple_() _op_ b._tuple_(); }
#define LEXICOGRAPHIC_COMPARISON(_c_) \
LEXICOGRAPHIC_OPERATOR(_c_, <) LEXICOGRAPHIC_OPERATOR(_c_, <=) \
LEXICOGRAPHIC_OPERATOR(_c_, >) LEXICOGRAPHIC_OPERATOR(_c_, >=) \
LEXICOGRAPHIC_OPERATOR(_c_, ==) LEXICOGRAPHIC_OPERATOR(_c_, !=)
+// Tuple indexing in variadic templates.
+// This implementation of tuple_indices is redistributed under the MIT
+// License as an insubstantial portion of the LLVM compiler infrastructure.
+
+template <size_t...> struct tuple_indices {};
+template <size_t S, class IntTuple, size_t E> struct make_indices_imp;
+template <size_t S, size_t... Indices, size_t E> struct make_indices_imp<S, tuple_indices<Indices...>, E> {
+ typedef typename make_indices_imp<S+1, tuple_indices<Indices..., S>, E>::type type;
+};
+template <size_t E, size_t... Indices> struct make_indices_imp<E, tuple_indices<Indices...>, E> {
+ typedef tuple_indices<Indices...> type;
+};
+template <size_t E, size_t S=0> struct make_tuple_indices {
+ typedef typename make_indices_imp<S, tuple_indices<>, E>::type type;
+};
+
+#define TUPLE_INDICES(_ArgPack_) typename make_tuple_indices<sizeof...(_ArgPack_)>::type()
+
+// Template parameter pack expansion is not allowed in certain contexts, but
+// brace initializers (for instance, calls to constructors of empty structs)
+// are fair game.
+struct pass { template <typename... Args> inline pass(Args && ...) {} };
+
+#include "endian.h"
+
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+
+#if __has_attribute(noreturn)
+#define NORETURN [[noreturn]]
+#else
+#define NORETURN
+#endif
+
#endif