Remove warning SWIGWARN_CPP11_VARIADIC_TEMPLATE which was issued if more
than one argument was used for a variadic template.
SwigType enhancement: 'v.' now represents a variadic argument.
Previously, specifying more than one simple template template parameter
resulted in a parse error. Now multiple template template parameters are
working including instantiation with %template. Example:
template <template<template<class> class, class> class Op, template<class> class X, class Y>
class C { ... };
Closes#624Closes#1021
decltype now accepts C++ expressions instead of just an ID, such as:
int i,j;
... decltype(i+j) ...
... decltype(&i) ...
These result in a warning for non-trivial expressions which SWIG cannot evaluate:
Warning 344: Unable to deduce decltype for 'i+j'.
See 'Type Inference' in CPlusPlus.html for workarounds.
Issue #1589
Issue #1590
Such as:
class X final {};
This no longer gives a syntax error.
This change has introduced one more shift-reduce conflict in the parser.
with a conflict with a C style variable declaration with name final:
class X final;
resulting in a syntax error (for C++ not C). This is an an unusual style
for C++ code and more typical declarations do work:
X final;
Closes#672
Go, Guile, Racket, Scilab: Add throws typemaps for std::string so that
thrown string exception messages can be seen.
Test all language for std::string throws typemaps
For implementing full move semantics when passing parameters by value.
Based on SWIGTYPE && and std::unique_ptr typemaps which implement move
semantics.
Added for all languages, but untested for: Go, Ocaml, R, Scilab (and
unlikely to be fully functional for same reasons as for std::unique_ptr
support).
Issue #999
Support running testcases conditional on the compiler supporting
a each language version, like we already handle C++11.
Currently no testcases are actually run in this way for these
newer language versions.
Most of these test D_d twice when they really should be testing
D_d once and D_i once (the variable name is `di` and the values
assigned are integers).
This was wrong in the initial version for Python in
708021a809 and it looks like subsequent
additions for other languages have just copied that mistake.
The C++ wrappers create a temporary variable for a parameter to be passed to a
function. This is initially default constructed and then copy assigned from the
instance being passed in from the target language. This is unchanged, however,
when the temporary variable is passed to wrapped function, it is now done using
std::move. If the type is move constructible, the move constructor will be used
instead of the copy constructor.
Note that the implementation calls std::move for all user-defined types
(non-primitive types passed by value), this excludes anything passed by pointer,
reference and arrays. It does also include any type that has not been
defined/parsed by SWIG, that is, unknown types. std::move is called via the
SWIG_STD_MOVE macro which only calls std::move for C++11 and later code.
This is the current state of play where the copy constructor and copy
assignment operators are called, even for movable types passed as
function parameters.
The directorin typemaps in the director methods now use std::move on the
input parameter when copying the object from the stack to the heap prior
to the callback into the target language, thereby taking advantage of
move semantics if available.
Enhance SWIGTYPE "out" typemaps to use std::move when copying
objects, thereby making use of move semantics when wrapping a function returning
by value if the returned type supports move semantics.
Wrapping functions that return move only types 'by value' now work out the box
without having to provide custom typemaps.
The implementation removed all casts in the "out" typemaps to allow the compiler to
appropriately choose calling a move constructor, where possible, otherwise a copy
constructor. The implementation alsoand required modifying SwigValueWrapper to
change a cast operator from:
SwigValueWrapper::operator T&() const;
to
#if __cplusplus >=201103L
SwigValueWrapper::operator T&&() const;
#else
SwigValueWrapper::operator T&() const;
#endif
This is not backwards compatible for C++11 and later when using the valuewrapper feature
if a cast is explicitly being made in user supplied "out" typemaps. Suggested change
in custom "out" typemaps for C++11 and later code:
1. Try remove the cast altogether to let the compiler use an appropriate implicit cast.
2. Change the cast, for example, from static_cast<X &> to static_cast<X &&>, using the
__cplusplus macro if all versions of C++ need to be supported.
Issue #999Closes#1044
More about the commit:
Added some missing "varout" typemaps for Ocaml which was falling back to
use "out" typemaps as they were missing.
Ruby std::set fix for SwigValueWrapper C++11 changes.
If a "docstring" feature is present it will still override a Doxygen comment.
If the "autodoc" feature is also present, the combined "autodoc" and "docstring"
will override the Doxygen comment. If no "docstring" is present then the
"autodoc" feature will not be generated when there is a Doxygen comment.
This way the "autodoc" feature can be specified and used to provide documentation
for 'missing' Doxygen comments.
Closes#1635
Move HAVE_CXX11 into makefiles so that running test-suite
from top level directory or in the language's test-suite directory
is consistent. For example, running 'make check-java-test-suite'
behaves the same as 'cd Examples/test-suite/java && make check'.
* feature/python-builtin-separate-runtime-data:
Rework swig_and_compile_multi_cpp makefile helper
Different capsule names for builtin changes entry
Use different capsule names with and without -builtin
Conflicts:
CHANGES.current
pyabc.i for abstract base classes now supports versions of Python
prior to 3.3 by using the collection module for these older versions.
Python-3.3 and later continue to use the collections.abc module.
The -py3 option no longer has any effect on the %pythonabc feature.
Types generated with and without -builtin are not compatible. Mixing
them in a common type list leads to crashes. Avoid this by using
different capsule names: "type_pointer_capsule" without -builtin and
"type_pointer_capsule_builtin" with.
See #1684
Both function annotations and variable annotations are turned on using the
"python:annotations" feature. Example:
%feature("python:annotations", "c");
struct V {
float val;
};
The generated code contains a variable annotation containing the C float type:
class V(object):
val: "float" = property(_example.V_val_get, _example.V_val_set)
...
Python 3.5 and earlier do not support variable annotations, so variable
annotations can be turned off with a "python:annotations:novar" feature flag.
Example turning on function annotations but not variable annotations globally:
%feature("python:annotations", "c");
%feature("python:annotations:novar");
or via the command line:
-features python:annotations=c,python:annotations:novar
Closes#1951
Testing is skipped where there is no support for it, that is,
using -builtin or -fastproxy. How to add this support in needs
determining, it's not clear how to do so.
Python function annotations containing C/C++ types are no longer
generated when using the -py3 option. Function annotations support
has been moved to a feature to provide finer grained control.
It can be turned on globally by adding:
%feature("python:annotations", "c");
or by using the command line argument:
-features python:annotations=c
The implementation is designed to be expandable to support different
annotations implementations. Future implementations could implement
something like the following for generating pure Python types:
%feature("python:annotations", "python");
or typing module types to conform to PEP-484:
%feature("python:annotations", "typing");
Closes#1561
Issue #735
- Improved documentation for using declarations.
- Issue new warning WARN_LANG_USING_NAME_DIFFERENT when there
is a conflict in the target language name to be used when
introducing a method via a using declaration. Previously
the method was silently ignored. Issue #1840. Issue #655.
Even in the case of just creating a `DerivedClass` this test says:
```
swig/python detected a memory leak of type 'DerivedClass *', no destructor found.
```
even though the destructor is defined in the base class.
Fix access to C++ static member functions using Python class
staticmethod syntax, such as Klass.memberfunction instead of
Klass_memberfunction, when using -fastproxy and -builtin in
combination with %callback.
The docstring containing the callback pointers were not being patched
during module initialisation.
Accept keyword arguments accessing C++ static member functions when
using -builtin and kwargs feature and Python class staticmethod syntax.
The missing keyword argument support was only when using the
class staticmethod syntax, not when using the flat static method
syntax.
Use Python class staticmethod syntax to access C++ static member functions,
such as Klass.memberfunction, instead of Klass_memberfunction.
Examples and test-suite changes in preparation for issue #2137.
- Document change in CHANGES file
- Minor tweaks and whitespace fixes in stype.c
- Enhance testcase
- Synchronise Java and Python runt test in testcase
Closes#1977Fixes#1603
Squashed commit of the following:
commit 61f794184e
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 15:20:25 2021 +0100
added python version for second part of testcase
commit bb80e236b8
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 15:10:14 2021 +0100
reworked comment in fixed code
commit 5a94bcc481
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 15:07:34 2021 +0100
removed new unittests; I switched to the official test cases
commit 36603f3c8d
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 15:05:33 2021 +0100
removed new unittests; I switched to the official test cases
commit 1f20ea00d2
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 14:39:19 2021 +0100
adapted testcase
commit ab492794c0
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 14:29:10 2021 +0100
fixed test
commit 9b5dd0c8f9
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 13:04:06 2021 +0100
C99 compatible comments
commit 1a89425ac8
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 20 11:41:48 2021 +0100
added extra checks to prevent accidental partial matches
commit 20e76f511a
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:42:56 2021 +0100
minor
commit 0e383bbb76
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:41:45 2021 +0100
cleanup
commit b644767121
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:39:43 2021 +0100
cleanup
commit 2574468c0f
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:38:35 2021 +0100
cleanup
commit 9dc7f1ed30
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:35:28 2021 +0100
removed ide files
commit a442a9df46
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:32:36 2021 +0100
removed printf
commit da4c6e91e3
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:29:02 2021 +0100
possible fix found
commit 6fad8d40e3
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Thu Mar 18 21:01:11 2021 +0100
found difference between good/bad case... next: analyze why replacement did not work here...
commit 72a7693340
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Wed Mar 17 22:43:08 2021 +0100
ideintified location where the template-template type is inserted in the final type (with the missing specialization).
commit 1b53312c07
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Wed Mar 17 22:28:19 2021 +0100
more notes (to be reverted)
commit a9a0b58938
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Wed Mar 17 22:19:16 2021 +0100
some experiments (to be reverted)
commit 0e7a24bbd5
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Wed Mar 17 21:46:20 2021 +0100
added some notes
commit 2f77911a12
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Tue Mar 16 22:01:01 2021 +0100
comment changed
commit 2cb7213b06
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Tue Mar 16 21:55:47 2021 +0100
renamed example template parameters to easily distinguish them.
commit ff457d7397
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Tue Mar 16 21:21:10 2021 +0100
added reset parser functionality (required for unittests, to reset parser)
commit 617bbde3b4
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Tue Mar 16 20:47:41 2021 +0100
adjusted test for simple templates
commit beb7e7f77c
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Mon Mar 15 07:41:17 2021 +0100
added note how it should be...
commit 7b3328431c
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 17:07:24 2021 +0100
found a place which is maybe problematic for the template_template problem (#1603)
commit 46c2443d15
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 16:11:56 2021 +0100
unitests: reset parser for each testcase
commit b3a0f1516f
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 15:30:47 2021 +0100
first experiment with templates
commit 32a11c6c77
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 14:31:17 2021 +0100
wip
commit 37b805ba6e
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 14:21:05 2021 +0100
integrated unittests in ctest
commit 79f7bee168
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 14:18:26 2021 +0100
wip: new test created; problem: not in c++ mode
commit 345d503d55
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 14:08:09 2021 +0100
cleanup test code
commit 0a26adec10
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 14:05:24 2021 +0100
some more tests (first steps with c++ code)
commit 6f628e0fa9
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sun Mar 14 12:56:41 2021 +0100
experiments
commit c4a13bf3e1
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 13 18:18:01 2021 +0100
first experiment
commit 7d26586105
Author: goto40 <pierre.bayerl@googlemail.com>
Date: Sat Mar 13 17:23:13 2021 +0100
setup catch2 framework (w/o tests)
template_typedef_cplx2 files are generated by the template_typedef_import.multicpptest
but can also be cleaned by the template_typedef_cplx2.cpptest target.
* commit '8245277ad3acd9308ce28c40508b999e9496b27e':
Remove test for unsupported complex or _Complex by itself
More C99 complex fixes, plus Python tests
Restore _Complex as standalone type
Small corrections for handling C99 _Complex
Properly handle C99 complex types even in C++ mode
Conflicts:
Examples/test-suite/python/complextest_runme.py
* remove-dependency-on-2to3:
Remove need for Python 2to3
Modify examples to be both Python 2 and 3 compatible
Remove python3 specific runme3.py test files
Convert python tests using 2to3
Convert python test scripts to be Python 2 and 3 compatible
Convert swigobject python test to be python 2 and 3 compatible
Convert two tests to work with both Python 2 and 3
Improve director_exception Python test
Remove further print statements from Python tests
Improve Python testing catching exceptions
Improve contract Python testcase testing
Remove print statements from Python tests
All Python examples and tests have been written to be both Python 2 and Python 3
compatible, removing the need for 2to3 to run the examples or test-suite.
The 2to3 executable is not always available and even when available does not
always work, e.g. with pyenv. An alternative would be to use the lib2to3 Python
module instead, but this isn't available in some older versions of Python 3.
I had this problem on Ubuntu Bionic on Travis:
checking Examples/python/callback
pyenv: 2to3-3.8: command not found
The `2to3-3.8' command exists in these Python versions:
3.8
3.8.1
Reference issues:
https://github.com/pypa/virtualenv/issues/1399https://travis-ci.community/t/2to3-command-not-found-in-venv-in-bionic/4495
William S Fulton