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//
// 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/flex_vector.hpp>
#include <immer/flex_vector_transient.hpp>
#include <immer/algorithm.hpp>
#include <scm/scm.hpp>
#include <iostream>
namespace {
struct guile_heap
{
static void* allocate(std::size_t size)
{ return scm_gc_malloc(size, "immer"); }
static void* allocate(std::size_t size, immer::norefs_tag)
{ return scm_gc_malloc_pointerless(size, "immer"); }
template <typename ...Tags>
static void deallocate(std::size_t size, void* obj, Tags...)
{ scm_gc_free(obj, size, "immer"); }
};
using guile_memory = immer::memory_policy<
immer::heap_policy<guile_heap>,
immer::no_refcount_policy,
immer::gc_transience_policy,
false>;
template <typename T>
using guile_ivector = immer::flex_vector<T, guile_memory>;
struct dummy
{
SCM port_ = scm_current_warning_port();
dummy(dummy&&)
{ scm_puts("~~ dummy move constructor\n", port_); }
dummy()
{ scm_puts("~~ dummy default constructor\n", port_); }
~dummy()
{ scm_puts("~~ dummy finalized\n", port_); }
void foo()
{ scm_puts("~~ dummy foo\n", port_); }
int bar(int x)
{
auto res = x + 42;
scm_puts("~~ dummy bar: ", port_);
scm_display(scm::val{res}, port_);
scm_newline(port_);
return res;
}
};
template <int I>
void func()
{
auto port = scm_current_warning_port();
scm_puts("~~ func", port);
scm_display(scm_from_int(I), port);
scm_newline(port);
}
template <typename T = scm::val>
void init_ivector(std::string type_name = "")
{
using namespace std::string_literals;
using self_t = guile_ivector<T>;
using size_t = typename self_t::size_type;
auto name = "ivector"s + (type_name.empty() ? ""s : "-" + type_name);
scm::type<self_t>(name)
.constructor([] (scm::args rest) {
return self_t(rest.begin(), rest.end());
})
.maker([] (size_t n, scm::args rest) {
return self_t(n, rest ? *rest : scm::val{});
})
.define("ref", &self_t::operator[])
.define("length", &self_t::size)
.define("set", [] (const self_t& v, size_t i, scm::val x) {
return v.set(i, x);
})
.define("update", [] (const self_t& v, size_t i, scm::val fn) {
return v.update(i, fn);
})
.define("push", [] (const self_t& v, scm::val x) {
return v.push_back(x);
})
.define("take", [] (const self_t& v, size_t s) {
return v.take(s);
})
.define("drop", [] (const self_t& v, size_t s) {
return v.drop(s);
})
.define("append", [] (self_t v, scm::args rest) {
for (auto x : rest)
v = v + x;
return v;
})
.define("fold", [] (scm::val fn, scm::val first, const self_t& v) {
return immer::accumulate(v, first, fn);
})
;
}
} // anonymous namespace
struct bar_tag_t {};
extern "C"
void init_immer()
{
scm::type<dummy>("dummy")
.constructor()
.finalizer()
.define("foo", &dummy::foo)
.define("bar", &dummy::bar);
scm::group()
.define("func1", func<1>);
scm::group<bar_tag_t>()
.define("func2", func<2>)
.define("func3", &dummy::bar);
scm::group("foo")
.define("func1", func<1>);
init_ivector();
init_ivector<std::uint8_t>("u8");
init_ivector<std::uint16_t>("u16");
init_ivector<std::uint32_t>("u32");
init_ivector<std::uint64_t>("u64");
init_ivector<std::int8_t>("s8");
init_ivector<std::int16_t>("s16");
init_ivector<std::int32_t>("s32");
init_ivector<std::int64_t>("s64");
init_ivector<float>("f32");
init_ivector<double>("f64");
}
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