Merge pull request #477 from YosysHQ/pybind11

Move to pybind11

1 files changed, 129 insertions, 0 deletions

diff --git a/3rdparty/pybind11/tests/test_stl_binders.cpp b/3rdparty/pybind11/tests/test_stl_binders.cpp
new file mode 100644
index 00000000..86888740
--- /dev/null
+++ b/3rdparty/pybind11/tests/test_stl_binders.cpp
@@ -0,0 +1,129 @@
+/*
+    tests/test_stl_binders.cpp -- Usage of stl_binders functions
+
+    Copyright (c) 2016 Sergey Lyskov
+
+    All rights reserved. Use of this source code is governed by a
+    BSD-style license that can be found in the LICENSE file.
+*/
+
+#include "pybind11_tests.h"
+
+#include <pybind11/stl_bind.h>
+#include <pybind11/numpy.h>
+#include <map>
+#include <deque>
+#include <unordered_map>
+
+class El {
+public:
+    El() = delete;
+    El(int v) : a(v) { }
+
+    int a;
+};
+
+std::ostream & operator<<(std::ostream &s, El const&v) {
+    s << "El{" << v.a << '}';
+    return s;
+}
+
+/// Issue #487: binding std::vector<E> with E non-copyable
+class E_nc {
+public:
+    explicit E_nc(int i) : value{i} {}
+    E_nc(const E_nc &) = delete;
+    E_nc &operator=(const E_nc &) = delete;
+    E_nc(E_nc &&) = default;
+    E_nc &operator=(E_nc &&) = default;
+
+    int value;
+};
+
+template <class Container> Container *one_to_n(int n) {
+    auto v = new Container();
+    for (int i = 1; i <= n; i++)
+        v->emplace_back(i);
+    return v;
+}
+
+template <class Map> Map *times_ten(int n) {
+    auto m = new Map();
+    for (int i = 1; i <= n; i++)
+        m->emplace(int(i), E_nc(10*i));
+    return m;
+}
+
+template <class NestMap> NestMap *times_hundred(int n) {
+    auto m = new NestMap();
+    for (int i = 1; i <= n; i++)
+        for (int j = 1; j <= n; j++)
+            (*m)[i].emplace(int(j*10), E_nc(100*j));
+    return m;
+}
+
+TEST_SUBMODULE(stl_binders, m) {
+    // test_vector_int
+    py::bind_vector<std::vector<unsigned int>>(m, "VectorInt", py::buffer_protocol());
+
+    // test_vector_custom
+    py::class_<El>(m, "El")
+        .def(py::init<int>());
+    py::bind_vector<std::vector<El>>(m, "VectorEl");
+    py::bind_vector<std::vector<std::vector<El>>>(m, "VectorVectorEl");
+
+    // test_map_string_double
+    py::bind_map<std::map<std::string, double>>(m, "MapStringDouble");
+    py::bind_map<std::unordered_map<std::string, double>>(m, "UnorderedMapStringDouble");
+
+    // test_map_string_double_const
+    py::bind_map<std::map<std::string, double const>>(m, "MapStringDoubleConst");
+    py::bind_map<std::unordered_map<std::string, double const>>(m, "UnorderedMapStringDoubleConst");
+
+    py::class_<E_nc>(m, "ENC")
+        .def(py::init<int>())
+        .def_readwrite("value", &E_nc::value);
+
+    // test_noncopyable_containers
+    py::bind_vector<std::vector<E_nc>>(m, "VectorENC");
+    m.def("get_vnc", &one_to_n<std::vector<E_nc>>, py::return_value_policy::reference);
+    py::bind_vector<std::deque<E_nc>>(m, "DequeENC");
+    m.def("get_dnc", &one_to_n<std::deque<E_nc>>, py::return_value_policy::reference);
+    py::bind_map<std::map<int, E_nc>>(m, "MapENC");
+    m.def("get_mnc", &times_ten<std::map<int, E_nc>>, py::return_value_policy::reference);
+    py::bind_map<std::unordered_map<int, E_nc>>(m, "UmapENC");
+    m.def("get_umnc", &times_ten<std::unordered_map<int, E_nc>>, py::return_value_policy::reference);
+    // Issue #1885: binding nested std::map<X, Container<E>> with E non-copyable
+    py::bind_map<std::map<int, std::vector<E_nc>>>(m, "MapVecENC");
+    m.def("get_nvnc", [](int n)
+        {
+            auto m = new std::map<int, std::vector<E_nc>>();
+            for (int i = 1; i <= n; i++)
+                for (int j = 1; j <= n; j++)
+                    (*m)[i].emplace_back(j);
+            return m;
+        }, py::return_value_policy::reference);
+    py::bind_map<std::map<int, std::map<int, E_nc>>>(m, "MapMapENC");
+    m.def("get_nmnc", &times_hundred<std::map<int, std::map<int, E_nc>>>, py::return_value_policy::reference);
+    py::bind_map<std::unordered_map<int, std::unordered_map<int, E_nc>>>(m, "UmapUmapENC");
+    m.def("get_numnc", &times_hundred<std::unordered_map<int, std::unordered_map<int, E_nc>>>, py::return_value_policy::reference);
+
+    // test_vector_buffer
+    py::bind_vector<std::vector<unsigned char>>(m, "VectorUChar", py::buffer_protocol());
+    // no dtype declared for this version:
+    struct VUndeclStruct { bool w; uint32_t x; double y; bool z; };
+    m.def("create_undeclstruct", [m] () mutable {
+        py::bind_vector<std::vector<VUndeclStruct>>(m, "VectorUndeclStruct", py::buffer_protocol());
+    });
+
+    // The rest depends on numpy:
+    try { py::module::import("numpy"); }
+    catch (...) { return; }
+
+    // test_vector_buffer_numpy
+    struct VStruct { bool w; uint32_t x; double y; bool z; };
+    PYBIND11_NUMPY_DTYPE(VStruct, w, x, y, z);
+    py::class_<VStruct>(m, "VStruct").def_readwrite("x", &VStruct::x);
+    py::bind_vector<std::vector<VStruct>>(m, "VectorStruct", py::buffer_protocol());
+    m.def("get_vectorstruct", [] {return std::vector<VStruct> {{0, 5, 3.0, 1}, {1, 30, -1e4, 0}};});
+}