79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
//
|
|
// immer: immutable data structures for C++
|
|
// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
|
|
//
|
|
// This software is distributed under the Boost Software License, Version 1.0.
|
|
// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
|
|
//
|
|
|
|
#include <immer/vector.hpp>
|
|
#include <immer/refcount/unsafe_refcount_policy.hpp>
|
|
#include <emscripten/bind.h>
|
|
|
|
namespace {
|
|
|
|
using memory_t = immer::memory_policy<
|
|
immer::unsafe_free_list_heap_policy<immer::malloc_heap>,
|
|
immer::unsafe_refcount_policy>;
|
|
|
|
template <typename T>
|
|
using js_vector_t = immer::vector<T, memory_t>;
|
|
|
|
template <typename VectorT>
|
|
VectorT range(typename VectorT::value_type first,
|
|
typename VectorT::value_type last)
|
|
{
|
|
auto v = VectorT{};
|
|
for (; first != last; ++first)
|
|
v = std::move(v).push_back(first);
|
|
return v;
|
|
}
|
|
|
|
template <typename VectorT>
|
|
VectorT range_slow(typename VectorT::value_type first,
|
|
typename VectorT::value_type last)
|
|
{
|
|
auto v = VectorT{};
|
|
for (; first != last; ++first)
|
|
v = v.push_back(first);
|
|
return v;
|
|
}
|
|
|
|
template <typename VectorT>
|
|
VectorT push_back(VectorT& v, typename VectorT::value_type x)
|
|
{ return v.push_back(x); }
|
|
|
|
template <typename VectorT>
|
|
VectorT set(VectorT& v, std::size_t i, typename VectorT::value_type x)
|
|
{ return v.set(i, x); }
|
|
|
|
template <typename T>
|
|
void bind_vector(const char* name)
|
|
{
|
|
using emscripten::class_;
|
|
|
|
using vector_t = js_vector_t<T>;
|
|
|
|
class_<vector_t>(name)
|
|
.constructor()
|
|
.function("push", &push_back<vector_t>)
|
|
.function("set", &set<vector_t>)
|
|
.function("get", &vector_t::operator[])
|
|
.property("size", &vector_t::size);
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
EMSCRIPTEN_BINDINGS(immer)
|
|
{
|
|
using emscripten::function;
|
|
|
|
bind_vector<emscripten::val>("Vector");
|
|
bind_vector<int>("VectorInt");
|
|
bind_vector<double>("VectorNumber");
|
|
|
|
function("range_int", &range<js_vector_t<int>>);
|
|
function("rangeSlow_int", &range_slow<js_vector_t<int>>);
|
|
function("range_double", &range<js_vector_t<double>>);
|
|
function("rangeSlow_double", &range_slow<js_vector_t<double>>);
|
|
}
|