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| author | gatecat <gatecat@ds0.me> | 2022-09-14 09:28:47 +0200 | 
|---|---|---|
| committer | gatecat <gatecat@ds0.me> | 2022-09-14 09:28:47 +0200 | 
| commit | a72f898ff4c4237424c468044a6db9d6953b541e (patch) | |
| tree | 1c4a543f661dd1b281aecf4660388491702fa8d8 /3rdparty/pybind11/tests/test_exceptions.cpp | |
| parent | f1349e114f3a16ccd002e8513339e18f5be4d31b (diff) | |
| download | nextpnr-a72f898ff4c4237424c468044a6db9d6953b541e.tar.gz nextpnr-a72f898ff4c4237424c468044a6db9d6953b541e.tar.bz2 nextpnr-a72f898ff4c4237424c468044a6db9d6953b541e.zip  | |
3rdparty: Bump vendored pybind11 version for py3.11 support
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to '3rdparty/pybind11/tests/test_exceptions.cpp')
| -rw-r--r-- | 3rdparty/pybind11/tests/test_exceptions.cpp | 232 | 
1 files changed, 174 insertions, 58 deletions
diff --git a/3rdparty/pybind11/tests/test_exceptions.cpp b/3rdparty/pybind11/tests/test_exceptions.cpp index e27c16df..3583f22a 100644 --- a/3rdparty/pybind11/tests/test_exceptions.cpp +++ b/3rdparty/pybind11/tests/test_exceptions.cpp @@ -6,14 +6,21 @@      All rights reserved. Use of this source code is governed by a      BSD-style license that can be found in the LICENSE file.  */ +#include "test_exceptions.h" +#include "local_bindings.h"  #include "pybind11_tests.h" +#include <exception> +#include <stdexcept> +#include <utility> +  // A type that should be raised as an exception in Python  class MyException : public std::exception {  public: -    explicit MyException(const char * m) : message{m} {} -    const char * what() const noexcept override {return message.c_str();} +    explicit MyException(const char *m) : message{m} {} +    const char *what() const noexcept override { return message.c_str(); } +  private:      std::string message = "";  }; @@ -21,8 +28,9 @@ private:  // A type that should be translated to a standard Python exception  class MyException2 : public std::exception {  public: -    explicit MyException2(const char * m) : message{m} {} -    const char * what() const noexcept override {return message.c_str();} +    explicit MyException2(const char *m) : message{m} {} +    const char *what() const noexcept override { return message.c_str(); } +  private:      std::string message = "";  }; @@ -30,13 +38,13 @@ private:  // A type that is not derived from std::exception (and is thus unknown)  class MyException3 {  public: -    explicit MyException3(const char * m) : message{m} {} -    virtual const char * what() const noexcept {return message.c_str();} +    explicit MyException3(const char *m) : message{m} {} +    virtual const char *what() const noexcept { return message.c_str(); }      // Rule of 5 BEGIN: to preempt compiler warnings. -    MyException3(const MyException3&) = default; -    MyException3(MyException3&&) = default; -    MyException3& operator=(const MyException3&) = default; -    MyException3& operator=(MyException3&&) = default; +    MyException3(const MyException3 &) = default; +    MyException3(MyException3 &&) = default; +    MyException3 &operator=(const MyException3 &) = default; +    MyException3 &operator=(MyException3 &&) = default;      virtual ~MyException3() = default;      // Rule of 5 END.  private: @@ -47,13 +55,13 @@ private:  // and delegated to its exception translator  class MyException4 : public std::exception {  public: -    explicit MyException4(const char * m) : message{m} {} -    const char * what() const noexcept override {return message.c_str();} +    explicit MyException4(const char *m) : message{m} {} +    const char *what() const noexcept override { return message.c_str(); } +  private:      std::string message = "";  }; -  // Like the above, but declared via the helper function  class MyException5 : public std::logic_error {  public: @@ -65,24 +73,31 @@ class MyException5_1 : public MyException5 {      using MyException5::MyException5;  }; +// Exception that will be caught via the module local translator. +class MyException6 : public std::exception { +public: +    explicit MyException6(const char *m) : message{m} {} +    const char *what() const noexcept override { return message.c_str(); } + +private: +    std::string message = ""; +}; +  struct PythonCallInDestructor { -    PythonCallInDestructor(const py::dict &d) : d(d) {} +    explicit PythonCallInDestructor(const py::dict &d) : d(d) {}      ~PythonCallInDestructor() { d["good"] = true; }      py::dict d;  }; - -  struct PythonAlreadySetInDestructor { -    PythonAlreadySetInDestructor(const py::str &s) : s(s) {} +    explicit PythonAlreadySetInDestructor(const py::str &s) : s(s) {}      ~PythonAlreadySetInDestructor() {          py::dict foo;          try {              // Assign to a py::object to force read access of nonexistent dict entry              py::object o = foo["bar"]; -        } -        catch (py::error_already_set& ex) { +        } catch (py::error_already_set &ex) {              ex.discard_as_unraisable(s);          }      } @@ -90,17 +105,22 @@ struct PythonAlreadySetInDestructor {      py::str s;  }; +std::string error_already_set_what(const py::object &exc_type, const py::object &exc_value) { +    PyErr_SetObject(exc_type.ptr(), exc_value.ptr()); +    return py::error_already_set().what(); +}  TEST_SUBMODULE(exceptions, m) { -    m.def("throw_std_exception", []() { -        throw std::runtime_error("This exception was intentionally thrown."); -    }); +    m.def("throw_std_exception", +          []() { throw std::runtime_error("This exception was intentionally thrown."); });      // make a new custom exception and use it as a translation target      static py::exception<MyException> ex(m, "MyException");      py::register_exception_translator([](std::exception_ptr p) {          try { -            if (p) std::rethrow_exception(p); +            if (p) { +                std::rethrow_exception(p); +            }          } catch (const MyException &e) {              // Set MyException as the active python error              ex(e.what()); @@ -112,7 +132,9 @@ TEST_SUBMODULE(exceptions, m) {      // never by visible from Python      py::register_exception_translator([](std::exception_ptr p) {          try { -            if (p) std::rethrow_exception(p); +            if (p) { +                std::rethrow_exception(p); +            }          } catch (const MyException2 &e) {              // Translate this exception to a standard RuntimeError              PyErr_SetString(PyExc_RuntimeError, e.what()); @@ -124,7 +146,9 @@ TEST_SUBMODULE(exceptions, m) {      // translator for MyException by throwing a new exception      py::register_exception_translator([](std::exception_ptr p) {          try { -            if (p) std::rethrow_exception(p); +            if (p) { +                std::rethrow_exception(p); +            }          } catch (const MyException4 &e) {              throw MyException(e.what());          } @@ -135,22 +159,42 @@ TEST_SUBMODULE(exceptions, m) {      // A slightly more complicated one that declares MyException5_1 as a subclass of MyException5      py::register_exception<MyException5_1>(m, "MyException5_1", ex5.ptr()); +    // py::register_local_exception<LocalSimpleException>(m, "LocalSimpleException") + +    py::register_local_exception_translator([](std::exception_ptr p) { +        try { +            if (p) { +                std::rethrow_exception(p); +            } +        } catch (const MyException6 &e) { +            PyErr_SetString(PyExc_RuntimeError, e.what()); +        } +    }); +      m.def("throws1", []() { throw MyException("this error should go to a custom type"); }); -    m.def("throws2", []() { throw MyException2("this error should go to a standard Python exception"); }); +    m.def("throws2", +          []() { throw MyException2("this error should go to a standard Python exception"); });      m.def("throws3", []() { throw MyException3("this error cannot be translated"); });      m.def("throws4", []() { throw MyException4("this error is rethrown"); }); -    m.def("throws5", []() { throw MyException5("this is a helper-defined translated exception"); }); +    m.def("throws5", +          []() { throw MyException5("this is a helper-defined translated exception"); });      m.def("throws5_1", []() { throw MyException5_1("MyException5 subclass"); }); -    m.def("throws_logic_error", []() { throw std::logic_error("this error should fall through to the standard handler"); }); -    m.def("throws_overflow_error", []() {throw std::overflow_error(""); }); +    m.def("throws6", []() { throw MyException6("MyException6 only handled in this module"); }); +    m.def("throws_logic_error", []() { +        throw std::logic_error("this error should fall through to the standard handler"); +    }); +    m.def("throws_overflow_error", []() { throw std::overflow_error(""); }); +    m.def("throws_local_error", []() { throw LocalException("never caught"); }); +    m.def("throws_local_simple_error", []() { throw LocalSimpleException("this mod"); });      m.def("exception_matches", []() {          py::dict foo;          try {              // Assign to a py::object to force read access of nonexistent dict entry              py::object o = foo["bar"]; -        } -        catch (py::error_already_set& ex) { -            if (!ex.matches(PyExc_KeyError)) throw; +        } catch (py::error_already_set &ex) { +            if (!ex.matches(PyExc_KeyError)) { +                throw; +            }              return true;          }          return false; @@ -160,9 +204,10 @@ TEST_SUBMODULE(exceptions, m) {          try {              // Assign to a py::object to force read access of nonexistent dict entry              py::object o = foo["bar"]; -        } -        catch (py::error_already_set &ex) { -            if (!ex.matches(PyExc_Exception)) throw; +        } catch (py::error_already_set &ex) { +            if (!ex.matches(PyExc_Exception)) { +                throw; +            }              return true;          }          return false; @@ -171,61 +216,132 @@ TEST_SUBMODULE(exceptions, m) {          try {              // On Python >= 3.6, this raises a ModuleNotFoundError, a subclass of ImportError              py::module_::import("nonexistent"); -        } -        catch (py::error_already_set &ex) { -            if (!ex.matches(PyExc_ImportError)) throw; +        } catch (py::error_already_set &ex) { +            if (!ex.matches(PyExc_ImportError)) { +                throw; +            }              return true;          }          return false;      });      m.def("throw_already_set", [](bool err) { -        if (err) +        if (err) {              PyErr_SetString(PyExc_ValueError, "foo"); +        }          try {              throw py::error_already_set(); -        } catch (const std::runtime_error& e) { -            if ((err && e.what() != std::string("ValueError: foo")) || -                (!err && e.what() != std::string("Unknown internal error occurred"))) -            { +        } catch (const std::runtime_error &e) { +            if ((err && e.what() != std::string("ValueError: foo")) +                || (!err +                    && e.what() +                           != std::string("Internal error: pybind11::error_already_set called " +                                          "while Python error indicator not set."))) {                  PyErr_Clear();                  throw std::runtime_error("error message mismatch");              }          }          PyErr_Clear(); -        if (err) +        if (err) {              PyErr_SetString(PyExc_ValueError, "foo"); +        }          throw py::error_already_set();      }); -    m.def("python_call_in_destructor", [](py::dict d) { +    m.def("python_call_in_destructor", [](const py::dict &d) { +        bool retval = false;          try {              PythonCallInDestructor set_dict_in_destructor(d);              PyErr_SetString(PyExc_ValueError, "foo");              throw py::error_already_set(); -        } catch (const py::error_already_set&) { -            return true; +        } catch (const py::error_already_set &) { +            retval = true;          } -        return false; +        return retval;      }); -    m.def("python_alreadyset_in_destructor", [](py::str s) { +    m.def("python_alreadyset_in_destructor", [](const py::str &s) {          PythonAlreadySetInDestructor alreadyset_in_destructor(s);          return true;      });      // test_nested_throws -    m.def("try_catch", [m](py::object exc_type, py::function f, py::args args) { -        try { f(*args); } -        catch (py::error_already_set &ex) { -            if (ex.matches(exc_type)) -                py::print(ex.what()); -            else -                throw; +    m.def("try_catch", +          [m](const py::object &exc_type, const py::function &f, const py::args &args) { +              try { +                  f(*args); +              } catch (py::error_already_set &ex) { +                  if (ex.matches(exc_type)) { +                      py::print(ex.what()); +                  } else { +                      // Simply `throw;` also works and is better, but using `throw ex;` +                      // here to cover that situation (as observed in the wild). +                      throw ex; // Invokes the copy ctor. +                  } +              } +          }); + +    // Test repr that cannot be displayed +    m.def("simple_bool_passthrough", [](bool x) { return x; }); + +    m.def("throw_should_be_translated_to_key_error", []() { throw shared_exception(); }); + +    m.def("raise_from", []() { +        PyErr_SetString(PyExc_ValueError, "inner"); +        py::raise_from(PyExc_ValueError, "outer"); +        throw py::error_already_set(); +    }); + +    m.def("raise_from_already_set", []() { +        try { +            PyErr_SetString(PyExc_ValueError, "inner"); +            throw py::error_already_set(); +        } catch (py::error_already_set &e) { +            py::raise_from(e, PyExc_ValueError, "outer"); +            throw py::error_already_set();          }      }); -    // Test repr that cannot be displayed -    m.def("simple_bool_passthrough", [](bool x) {return x;}); +    m.def("throw_nested_exception", []() { +        try { +            throw std::runtime_error("Inner Exception"); +        } catch (const std::runtime_error &) { +            std::throw_with_nested(std::runtime_error("Outer Exception")); +        } +    }); + +    m.def("error_already_set_what", [](const py::object &exc_type, const py::object &exc_value) { +        PyErr_SetObject(exc_type.ptr(), exc_value.ptr()); +        std::string what = py::error_already_set().what(); +        bool py_err_set_after_what = (PyErr_Occurred() != nullptr); +        PyErr_Clear(); +        return py::make_tuple(std::move(what), py_err_set_after_what); +    }); + +    m.def("test_cross_module_interleaved_error_already_set", []() { +        auto cm = py::module_::import("cross_module_interleaved_error_already_set"); +        auto interleaved_error_already_set +            = reinterpret_cast<void (*)()>(PyLong_AsVoidPtr(cm.attr("funcaddr").ptr())); +        interleaved_error_already_set(); +    }); + +    m.def("test_error_already_set_double_restore", [](bool dry_run) { +        PyErr_SetString(PyExc_ValueError, "Random error."); +        py::error_already_set e; +        e.restore(); +        PyErr_Clear(); +        if (!dry_run) { +            e.restore(); +        } +    }); +    // https://github.com/pybind/pybind11/issues/4075 +    m.def("test_pypy_oserror_normalization", []() { +        try { +            py::module_::import("io").attr("open")("this_filename_must_not_exist", "r"); +        } catch (const py::error_already_set &e) { +            return py::str(e.what()); // str must be built before e goes out of scope. +        } +        return py::str("UNEXPECTED"); +    });  }  | 
