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Diffstat (limited to 'build2/types.hxx')
| -rw-r--r-- | build2/types.hxx | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/build2/types.hxx b/build2/types.hxx new file mode 100644 index 0000000..8657ee6 --- /dev/null +++ b/build2/types.hxx @@ -0,0 +1,249 @@ +// file : build2/types.hxx -*- C++ -*- +// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#ifndef BUILD2_TYPES_HXX +#define BUILD2_TYPES_HXX + +#include <array> +#include <tuple> +#include <vector> +#include <string> +#include <memory> // unique_ptr, shared_ptr +#include <utility> // pair, move() +#include <cstddef> // size_t, nullptr_t +#include <cstdint> // uint{8,16,32,64}_t, *_MIN, *_MAX +#include <istream> +#include <ostream> +#include <functional> // hash, function, reference_wrapper +#include <initializer_list> + +#include <mutex> +#include <atomic> +#include <thread> +#include <condition_variable> + +#include <libbutl/ft/shared_mutex.hxx> +#if defined(__cpp_lib_shared_mutex) || defined(__cpp_lib_shared_timed_mutex) +# include <shared_mutex> +#endif + +#include <ios> // ios_base::failure +#include <exception> // exception +#include <stdexcept> // logic_error, invalid_argument, runtime_error +#include <system_error> + +#include <libbutl/path.hxx> +#include <libbutl/sha256.hxx> +#include <libbutl/process.hxx> +#include <libbutl/fdstream.hxx> +#include <libbutl/optional.hxx> +#include <libbutl/const-ptr.hxx> +#include <libbutl/timestamp.hxx> +#include <libbutl/vector-view.hxx> +#include <libbutl/small-vector.hxx> +#include <libbutl/target-triplet.hxx> +#include <libbutl/standard-version.hxx> + +namespace build2 +{ + // Commonly-used types. + // + using std::uint8_t; + using std::uint16_t; + using std::uint32_t; + using std::uint64_t; + + using std::size_t; + using std::nullptr_t; + + using std::pair; + using std::tuple; + using std::string; + using std::function; + using std::reference_wrapper; + + using std::hash; + + using std::initializer_list; + + using std::unique_ptr; + using std::shared_ptr; + using std::weak_ptr; + + using std::array; + using std::vector; + using butl::vector_view; // <libbutl/vector-view.hxx> + using butl::small_vector; // <libbutl/small-vector.hxx> + + using strings = vector<string>; + using cstrings = vector<const char*>; + + using std::istream; + using std::ostream; + + // Concurrency. + // + using std::atomic; + using std::memory_order; + using std::memory_order_relaxed; + using std::memory_order_consume; + using std::memory_order_acquire; + using std::memory_order_release; + using std::memory_order_acq_rel; + using std::memory_order_seq_cst; + + using atomic_count = atomic<size_t>; // Matches scheduler::atomic_count. + + using std::mutex; + using mlock = std::unique_lock<mutex>; + + using std::condition_variable; + +#if defined(__cpp_lib_shared_mutex) + using shared_mutex = std::shared_mutex; + using ulock = std::unique_lock<shared_mutex>; + using slock = std::shared_lock<shared_mutex>; +#elif defined(__cpp_lib_shared_timed_mutex) + using shared_mutex = std::shared_timed_mutex; + using ulock = std::unique_lock<shared_mutex>; + using slock = std::shared_lock<shared_mutex>; +#else + // Because we have this fallback, we need to be careful not to create + // multiple shared locks in the same thread. + // + struct shared_mutex: mutex + { + using mutex::mutex; + + void lock_shared () { lock (); } + void try_lock_shared () { try_lock (); } + void unlock_shared () { unlock (); } + }; + + using ulock = std::unique_lock<shared_mutex>; + using slock = ulock; +#endif + + using std::defer_lock; + using std::adopt_lock; + + using std::thread; + namespace this_thread = std::this_thread; + + // Exceptions. + // + // While <exception> is included, there is no using for std::exception -- + // use qualified. + // + using std::logic_error; + using std::invalid_argument; + using std::runtime_error; + using std::system_error; + using io_error = std::ios_base::failure; + + // <libbutl/optional.hxx> + // + using butl::optional; + using butl::nullopt; + + // <libbutl/const-ptr.hxx> + // + using butl::const_ptr; + + // <libbutl/path.hxx> + // + using butl::path; + using butl::dir_path; + using butl::basic_path; + using butl::invalid_path; + using butl::path_cast; + + // Absolute directory path. Note that for now we don't do any checking that + // the path is in fact absolute. + // + // The idea is to have a different type that we automatically complete when + // a (variable) value of this type gets initialized from untyped names. See + // value_type<abs_dir_path> for details. + // + // Note that currently we also normalize and actualize the path. And we + // leave empty path as is. + // + struct abs_dir_path: dir_path + { + using dir_path::dir_path; + + explicit + abs_dir_path (dir_path d): dir_path (std::move (d)) {} + abs_dir_path () = default; + }; + + using paths = std::vector<path>; + using dir_paths = std::vector<dir_path>; + + // <libbutl/timestamp.hxx> + // + using butl::system_clock; + using butl::timestamp; + using butl::duration; + using butl::timestamp_unknown; + using butl::timestamp_unknown_rep; + using butl::timestamp_nonexistent; + using butl::operator<<; + + // <libbutl/sha256.hxx> + // + using butl::sha256; + + // <libbutl/process.hxx> + // <libbutl/fdstream.hxx> + // + using butl::process; + using butl::process_path; + using butl::process_error; + + using butl::auto_fd; + using butl::ifdstream; + using butl::ofdstream; + + // <libbutl/target-triplet.hxx> + // + using butl::target_triplet; + + // <libbutl/standard-version.hxx> + // + using butl::standard_version; + using butl::standard_version_constraint; + + // See context. + // + enum class run_phase {load, match, execute}; + + ostream& + operator<< (ostream&, run_phase); // utility.cxx + + extern run_phase phase; +} + +// In order to be found (via ADL) these have to be either in std:: or in +// butl::. The latter is a bad idea since libbutl includes the default +// implementation. They are defined in utility.cxx. +// +namespace std +{ + // Path printing with trailing slash for directories. + // + ostream& + operator<< (ostream&, const ::butl::path&); + + // Print as recall[@effect]. + // + ostream& + operator<< (ostream&, const ::butl::process_path&); +} + +// <build2/name.hxx> +// +#include <build2/name.hxx> + +#endif // BUILD2_TYPES_HXX |