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4.0.0

===========================

2019-04-24: vadz
1517 Fix crash if "return" Doxygen tag was used on a node without any return type.

2019-04-24: vadz
1515 Fix parsing of enums with trailing comma when using -doxygen.

2019-04-19: ianlancetaylor
[Go] 1055 When generating Go code, make -cgo the default. Add new -no-cgo option
to disable the default.

2019-04-19: pbecherer
[Tcl] 1508 Fix Visual Studio 2015 and later compilation errors due to snprintf macro
definition.

2019-04-09: wsfulton
[C] Fix FxCop warning CA2002 in SWIGPendingException - a lock on a reference of
type 'Type'.

2019-03-30: wsfulton
[Java, D] Add the parameters typemap attribute to the javadestruct,
javadestruct_derived, ddispose, ddispose_derived typemaps to mirror enhanced
flexibility in the csdisposing and csdisposing_derived (C) typemaps. If provided
the contents are generated as the delete/dispose method's parameters declaration.

2019-03-30: wsfulton
[C] 421 Fix FxCop warning CA1063 by implementing the recommended Dispose methods for
the IDisposable interface. Previously just the Dispose() method was generated.
Now the Dispose() and Dispose(bool disposing) methods are generated.
Changes are required if custom "csfinalize", "csdestruct" or "csdestruct_derived"
typemaps are being used. Details in 421 on Github. SWIG will error out if one of
the "csfinalize, "csdestruct" or "csdestruct_derived" typemaps are found. Example
error message:

foo.h:60: Error: A deprecated csfinalize typemap was found for Foo, please remove
it and replace all csdestruct, csdestruct_derived and csfinalize typemaps by the
csdispose, csdispose_derived, csdisposing and csdisposing_derived typemaps.

*** POTENTIAL INCOMPATIBILITY ***

2019-03-25: Liryna
[C] 1143 Add std_list.i for std::list support.
The C std::list<T> wrappers are made to look and feel like a C
System.Collections.Generic.LinkedList<> collection.
The IEnumerable<> interface is implemented in the proxy class.
The ICollection<> interface can also be implemented to provide enhanced functionality
whenever a C++ operator== is available. This is the case for when T is a
primitive type or a pointer. If T does define an operator==, then use the
SWIG_STD_LIST_ENHANCED macro to obtain this enhanced functionality, for example:

SWIG_STD_LIST_ENHANCED(SomeNamespace::Klass)
%template(ListKlass) std::list<SomeNamespace::Klass>;

2019-03-18: richardbeare
[R] 1328 Non-trivial enums are working now. The enum values are now obtained from
the C/C++ layer. const reference enums and C++11 enum classes are also now working.

2019-03-14: mochizk
[Javascript] 1500 Fix compilation errors due to deprecating V8 API in Node.js.
New V8 API is used if node.js >= v10.12, or if V8 >= v7.0.

2019-03-12: vadz
[C] 1495 Add std_set.i for std::set support.

2019-03-11: dirteat,opoplawski
[Octave] Fix compilation errors in Octave 5.1.

error: format not a string literal and no format arguments [-Werror=format-security]

2019-02-28: wsfulton
[Java] std::vector improvements for types that do not have a default constructor.

The std::vector wrappers have been changed to work by default for elements that are
not default insertable, i.e. have no default constructor. This has been achieved by
not wrapping:

vector(size_type n);

Previously the above had to be ignored via %ignore.

If the above constructor is still required it can be added back in again via %extend:

%extend std::vector {
vector(size_type count) { return new std::vector< T >(count); }
}

Alternatively, the following wrapped constructor could be used as it provides near-enough
equivalent functionality:

vector(jint count, const value_type& value);

*** POTENTIAL INCOMPATIBILITY ***

2019-02-25: wsfulton
[Python] Fix compile errors wrapping overloaded functions/constructors where a vararg
function is declared after a non-vararg function.

2019-02-23: zphensley42
Use fully qualified name 'java.lang.Object' instead of 'Object' in generated code to
avoid clashes with wrapped C++ classes called 'Object'.

2019-02-23: gtbX
[Java] 1035 Add (const char *STRING, size_t LENGTH) typemaps in addition to the non-const
typemaps (char *STRING, size_t LENGTH) which does not attempt to write back to the const
string.

2019-02-22: tamuratak
[Ruby] 984 Add support for RTypedData introduced in Ruby 1.9.3.

2019-02-22: ZackerySpytz
1483 Fix compilation failures when a director class has final methods.

2019-02-21: wsfulton
[Java] 1240 Suppress Java 9 deprecation warnings on finalize method.

2019-02-21: ZackerySpytz
1480 Fix some rejections of valid floating-point literals.

2019-02-19: wsfulton
1475 Fix regression parsing gcc preprocessor linemarkers in the form:

linenum filename flags

2019-02-18: jakecobb
[Python] 945 1234 Elements in std::vector memory access fix.

Accessing an element in a std::vector obtains a reference to the element via an
iterator pointing to the element in the container. If the vector is garbage collected,
the SWIG wrapper containing the pointer to the element becomes invalid. The fix is
to obtain a back-reference to the container by the wrapper to the element in the Python
layer to prevent the garbage collector from destroying the underlying container.

2019-02-17: wsfulton
Fix typemap matching to expand template parameters when the name contains
template parameters. In the %typemap below the type is T and the name is X<T>::make
and the name now expands correctly to X< int >::make

template<typename T> struct X {
%typemap(out) T X<T>::make "..."
T make();
};

%template(Xint) X<int>;

2019-02-16: wsfulton
Fix parser error containing multiple define statements inside an enum.

The second define fails to parse:

enum FooEnum {
ENUM1 = 0,
ENUM2 = 1,

define MACRO_DEF1 "Hello"
define MACRO_DEF2 "World!"

ENUM3 = 2,
ENUM4 = 3,
};

Bug mentioned at https://sourceforge.net/p/swig/patches/333/

2019-02-14: wsfulton
Add some missing copy constructors into STL containers.

2019-02-14: bkotzz
[Java] 1356 Add STL containers:
std::unordered_map
std::unordered_set
std::set

2019-02-14: bkotzz
[Java] 1356 std::map wrappers have been modified. Now the Java proxy class
extends java.util.AbstractMap. The std::map container looks and feels much like
a java.util.HashMap from Java.

A few members have changed their names. If the old method signatures are needed,
then copy std_map.i from swig-3.0.12 and use that instead. Alternatively,
add the old missing methods to the new methods by using the following %proxycode:

%extend std::map {
%proxycode %{
// Old API
public boolean empty() {
return isEmpty();
}
public void set($typemap(jboxtype, K) key, $typemap(jboxtype, T) x) {
put(key, x);
}
public void del($typemap(jboxtype, K) key) {
remove(key);
}
public boolean has_key($typemap(jboxtype, K) key) {
return containsKey(key);
}
%}
}

*** POTENTIAL INCOMPATIBILITY ***

2019-02-13: ZackerySpytz
1469 Add support for C++17 hexadecimal floating literals.

2019-02-11: wsfulton
[OCaml] 1437 OCaml has been give the 'Experimental' language status. The examples work
and most of the test-suite is also working, so it is quite close to being a 'Supported' language.

2019-02-10: ZackerySpytz
1464 Add support for C++14 binary integer literals.

2019-02-10: ZackerySpytz
1450 Add support for C++11 UCS-2 and UCS-4 character literals. Also, add support for
C++17 UTF-8 character literals.

2019-02-10: wsfulton
[MzScheme] 1437 MzScheme/Racket is now an 'Experimental' language. The examples work
and a large portion of the test-suite is also working.

2019-02-10: wsfulton
[MzScheme] Destructor wrappers were not being generated.

2019-02-10: wsfulton
[MzScheme] Static variable wrappers fixed - $argnum was not expanded.

2019-02-10: sethrj
1452 Fix %apply for anonymous template instantiations

2019-02-09: olly
[PHP] Fix access to already released memory during PHP module
shutdown, which often didn't cause visible problems, but could
result in segmentation faults, bus errors, etc. Fixes 1170,
reported by Jitka Plesn�kov�.

2019-02-09: olly
[PHP] A renamed constructor is now wrapped as a static method in
PHP.

2019-02-08: olly
[PHP] Don't generate code which references $r when $r hasn't been
defined. This could happen in overloaded methods which returned
void and took at least one const std::string& parameter.

2019-02-08: olly
[PHP] The generated code is now compatible with PHP 7.3, and the
testsuite now runs cleanly with this version too.

2019-02-05: wsfulton
1437 SWIG now classifies the status of target languages into either 'Experimental' or
'Supported'. This status is provided to indicate the level of maturity to expect when using
a particular target language as not all target languages are fully developed. Details are
in the Introduction.html chapter of the documentation.

2019-02-04: wsfulton
[CFFI] 1447 Common Lisp CFFI has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[Allegrocl] 1447 Allegro Common Lisp has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[Chicken] 1447 CHICKEN has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[CLISP] 1447 GNU Common Lisp has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[S-EXP] 1447 Common Lisp S-Exp has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[UFFI] 1447 Common Lisp UFFI has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[Pike] 1447 Pike has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-04: wsfulton
[Modula3] 1447 Modula3 has been disabled as a target language in SWIG as part of a
clean up to remove target languages that have been neglected/not functional.

2019-02-02: ahnolds
[Python] Documentation enhancements for Python:

728 Fixed the handling of autodoc when using -fastproxy.

1367 Added documentation to wrapped member variables using the
property(... doc="...") construct.

Only show a single documentation entry for functions with default arguments when
using autodoc.

Fixed a bug where a cached doxygen docstring could be deleted while still in use,
causing swig to segfault.

2019-01-31: olly
SWIG now requires a target language to be specified instead of
defaulting to wrapping for Tcl. Specifying swig --help without
a target language now just shows the generic help. The -nolang
option has been removed.

2019-01-28: ZackerySpytz
[OCaml] 1429 Remove support for OCaml versions < 3.12.0.

*** POTENTIAL INCOMPATIBILITY ***

2019-01-22: vadz
[Ruby, Octave] 1424 Improve autodoc parameter naming.

2019-01-22: vadz
[Python] 1271 1423 Always include default parameter values in autodoc strings.

2019-01-19: vadz
1272, 1421 When a function's parameter is a keyword, the name of the paramater is
no longer simply changed to argN, where N is the argument number. Instead the
parameter name is changed to the renaming rules for keywords that normally apply to
symbols such as classes/functions etc. Note that unlike other symbol renaming,
parameter renaming does not issue a warning when the parameter is renamed. This
change only affects languages where the parameter names are actually used, for example,
Java function parameter lists in the proxy class or Python documentation comments.

2019-01-18: wsfulton
1420 Fix gdb debugger functions 'swigprint' and 'locswigprint' from swig.gdb to
work with newer versions of gdb-8. Fixes errors when debugging SWIG source with gdb:

(gdb) swigprint n
Undefined command: "Printf". Try "help".

2019-01-16: wsfulton
Python static method wrapper changes

- Static method wrappers were using the 'fastproxy' approach by default.
This is inconsistent with instance method wrappers. The fastproxy approach
is now turned off by default to be consistent with instance methods.
Static method wrappers can now also be controlled using the -fastproxy and
-olddefs options.

Example:

struct Klass {
static int statmethod(int a = 2);
};

generates by default:

class Klass(object):
...
staticmethod
def statmethod(a=2):
return _example.Klass_statmethod(a)

instead of the following (which can be restored by using -fastproxy):

class Klass(object):
...
statmethod = staticmethod(_example.Klass_statmethod)

- Modernise wrappers for static methods to use decorator syntax - staticmethod.

- Add missing runtime test for static class methods and using the actual class method.

2019-01-12: ZackerySpytz
[OCaml] 1403 1194 Fix compilation problems for OCaml >= 4.03.0 due to OCaml using
int64_t instead of int64.

2019-01-11: ZackerySpytz
[OCaml] 1400 Fix the getters and setters of non-static member variables.

2019-01-07: wsfulton
358 Add VOID to windows.i

2019-01-05: wsfulton
948 1019 1273 Fix for C++11 raw strings where the delimiters were mistakenly left
in the string contents in situations where the string was copied into generated code.
For example, %constant, the "docstring" feature and for C/Java/D constants turned on
with %javaconst/%csconst/%dmanifestconst.

2019-01-05: wsfulton
[Ruby] 538. Fix Ruby support for %feature("docstring").

2019-01-03: wsfulton
1202 Fix overloading of non-pointer class types in scripting languages when overloaded
with a pointer and a NULL scripting language equivalent is used, eg None in Python.

The implementation changes the SWIGTYPE, SWIGTYPE& and SWIGTYPE&& typecheck typemaps to
prevent accepting a conversion to a NULL pointer.

2019-01-03: ZackerySpytz
[OCaml] 1386 Fix the OCaml examples and test suite for out-of-source builds.

2019-01-01: wsfulton
[Python] 639 remove duplicate proxy method definitions for global function wrappers.

Global functions previously generated two definitions, eg:

def foo():
return _example.foo()
foo = _example.foo

The first definition is replaced by the second definition and so the second definition
is the one used when the method is actually called. Now just the first definition is
generated by default and if the -fastproxy command line option is used, just the second
definition is generated. The second definition is faster as it avoids the proxy Python
method as it calls the low-level C wrapper directly. Using both -fastproxy and -olddefs
command line options will restore the previously generated code as it will generate both
method definitions.

With this change, the wrappers for global C/C++ functions and C++ class methods now work
in the same way wrt to generating just a proxy method by default and control via
-fastproxy/-olddefs options.

2018-12-20: hasinoff,wsfulton
[Java] 1334 Set Java thread name to native thread name when using directors.

Default is to use name "Thread-XXX" and is still works like this by default. However,
adding the following will turn on the thread name setting (works for more recent
versions of Linux and MacOS):

%begin %{
define SWIG_JAVA_USE_THREAD_NAME
%}

2018-12-20: chlandsi
[Python] 1357. Fix overriding __new__ in Python 3.6.

Fixes SystemError: Objects/tupleobject.c:81: bad argument to internal function"

2018-12-16: wsfulton
[Python] 848 1343 The module import logic has changed to stop obfuscating real ImportError
problems. Only one import of the low-level C/C++ module from the pure Python module is
attempted now. Previously a second import of the low-level C/C++ module was attempted
after an ImportError occurred and was done to support 'split modules'. A 'split module' is
a configuration where the pure Python module is a module within a Python package and the
low-level C/C++ module is a global Python module. Now a 'split module' configuration is
no longer supported by default. This configuration can be supported with a simple
customization, such as:

%module(package="mypackage", moduleimport="import $module") foo

or if using -builtin:

%module(package="mypackage", moduleimport="from $module import *") foo

instead of

%module(package="mypackage") foo

See the updated Python chapter titled "Location of modules" in the documentation.

2018-12-11: tlby
[Perl] 1374 repair EXTEND() handling in typemaps

2018-12-06: vadz
1359 1364 Add missing nested class destructor wrapper when the nested class is
inside a template. Removes associated bogus 'Illegal destructor name' warning. Only
occurred when the nested class' destructor is explicitly specified.

2018-12-04: adr26
[Python] 1368 1369 Access Violation in tp_print caused by mismatched Python/extension
CRT usage

Remove all use of tp_print, as this API uses a FILE*, which can be
mismatched when modules are built with different C libraries from
the main python executable.

This change also brings consistent output between Python 2 and 3 for the 'cvar' SWIG
object (that contains the global variables) and SWIG packed objects (such as callback
constants).

2018-12-04: wsfulton
[Python] 1282 Fix running 'python -m' when using 'swig -builtin'

Similar to the earlier PEP 366 conforming fix for non-builtin.

2018-11-29: adr26
[Python] 1360 Leak of SWIG var link object

Fix reference counting on _SWIG_globals to allow var link to be freed on module unload.

2018-11-28: wsfulton
[Python] When using -builtin, the two step C-extension module import is now
one step and the wrapped API is only available once and not in an underlying
module attribute like it is without -builtin. To understand this, consider a
module named 'example' (using: %module example). The C-extension is compiled into
a Python module called '_example' and a pure Python module provides the actual
API from the module called 'example'. It was previously possible to additionally
access the API from the module attribute 'example._example'. The latter was an
implementation detail and is no longer available. It shouldn't have been used, but
if necessary it can be resurrected using the moduleimport attribute described in the
Python chapter of the documentation. If both modules are provided in a Python
package, try:

%module(moduleimport="from . import _example\nfrom ._example import *") example
or more generically:
%module(moduleimport="from . import $module\nfrom .$module import *") example

and if both are provided as global modules, try:

%module(moduleimport="import _example\nfrom _example import *") example
or more generically:
%module(moduleimport="import $module\nfrom $module import *") example

The module import code shown will appear in the example.py file.

2018-11-24: vadz
1358 Fix handling of abstract base classes nested inside templates

Correct detecting of whether a derived class method overrides a pure virtual
base class method when both classes are nested inside a template class: this
notably didn't work correctly for methods taking parameters of the base class
type.

2018-11-22: rupertnash
[Python] 1282 Make generated module runnable via python -m (PEP 366 conforming)

Previously any SWIG generated modules in a package would fail with an ImportError
when using 'python -m' for example 'python -m mypkg.mymodule'.

This fix also allows the SWIG generated module to be placed into a directory and
then renamed __init__.py to convert the module into a package again. This ability
stopped working in swig-3.0.9. However, only Python 2.7 or 3.3 and later work. If
Python 3.2 support is needed, use moduleimport in %module to customise the import
code.

2018-11-13: wsfulton
1340 Remove -cppcast and -nocppcast command line options (this was an option
available to the scripting language targets).

The -cppcast option is still turned on by default. The -nocppcast option
to turn off the use of c++ casts (const_cast, static_cast etc) has been
removed. However, defining SWIG_NO_CPLUSPLUS_CAST will still generate C casts
instead of C++ casts for C++ wrappers.

*** POTENTIAL INCOMPATIBILITY ***

2018-11-13: wsfulton
[Python] 1340 Remove -outputtuple and -nooutputtuple command line options.

Both the command line and %module options of the same name have been
removed. These were undocumented. The -outputtuple option returned a
Python tuple instead of a list, mostly typically in the OUTPUT
typemap implementations.

It unclear why a tuple instead of a list return type is needed and
hence this option has been removed as part of the simplification of
the SWIG Python command line options for SWIG 4.

2018-11-13: wsfulton
[Python] 1340 Remove -noproxyimport command line option.

This option turned off the insertion of Python import statements
derived from a %import directive. For example given:

%module module_b
%import "module_a.i"

then module_b.py will contain:

import module_a

*** POTENTIAL INCOMPATIBILITY ***

2018-10-29: AlexanderGabriel
[PHP] The following PHP7 reserved keywords are now only renamed by
SWIG when used as function names in the API being wrapper:
__halt_compiler array die echo empty eval exit include include_once
isset list print require require_once return unset

2018-10-22: olly,wsfulton
[Python] 1261 1340 Turn on many optimisation options by default and rationalise the
number of command line options.

There were an unnecessary number of command line options and many of these have now
been removed in a drive for simplification. Some were needed to support older versions
of Python (2.6 and earlier).

Many of the options could be turned on individually and when using -O. Previously -O
resulted in turning on a set of options:

-modern -fastdispatch -nosafecstrings -fvirtual -noproxydel
-fastproxy -fastinit -fastunpack -fastquery -modernargs -nobuildnone

Now -O results in turning on this reduced set:

-fastdispatch -fastproxy -fvirtual

The following options are now on by default, a deprecated warning is displayed if they
are used:
-fastinit Class initialisation code done in C/C++ rather than in Python code.
-fastquery Python dictionary used for lookup of types.
-fastunpack Faster unpacking of function arguments in C/C++ wrappers.
-modern Use Python 2.3 features such as object and property.
-modernargs Use Python 2.3 C APIs for unpacking arguments in tuples.
-noproxydel Stop generating a proxy __del__ method for backwards compatibility.
-safecstrings No discernable difference

The following options have been removed altogether:
-aliasobj0
-buildnone
-classptr
-new_repr
-newrepr
-noaliasobj0
-nobuildnone
-nocastmode
-nodirvtable
-noextranative
-nofastinit
-nofastproxy
-nofastquery
-nomodern
-nomodernargs
-nooutputtuple
-nosafecstrings
-old_repr
-oldrepr
-proxydel

-new_vwm is no longer supported. Use the -newvwm alias instead.

*** POTENTIAL INCOMPATIBILITY ***

2018-10-22: olly
[Python] 1261 Remove command line option no longer needed as Python 2.3 and earlier
are no longer supported:

-classic

2018-10-09: wsfulton
[D, Go, Guile, Lua, Mzscheme, Ocaml, Perl5, Php, Scilab, Tcl]
Allow wrapping of std::map using non-default comparison function.

2018-10-09: vadz
[Java] 1274 Allow wrapping of std::map using non-default comparison function.

2018-10-04: wsfulton
[Python] 1126 Fix C default arguments with -builtin and -fastunpack and -modernargs.
Problem occurred when there is just one (defaulted) parameter in the parameter list.

2018-09-24: wsfulton
[Python] 1319 C++11 hash tables implementation is finished now (including for -builtin):
std::unordered_map
std::unordered_set
std::unordered_multimap
std::unordered_multiset

2018-09-21: wsfulton
[Python] Fix when using -builtin and wrapping std::map, std::set, std::unordered_map or
std::unordered_set to ensure __contains__ is called. This is a wrapper for the STL
container's find method. Without it, Python will do its own slower sequence search.

2018-09-19: wsfulton
[Python] Fix functors (wrapped as __call__) when using -builtin -modern -fastunpack.

2018-09-02: andreas.gaeer,tkrasnukha
[Python] 1321 Fix assert in PyTuple_GET_SIZE in debug interpreter builds of python-3.7
when calling tp_new.

2018-09-01: ChristopherHogan
[Guile] 1288 Fix garbage collection for guile >= 2.0.12.

2018-08-31: wsfulton
[Python] 1319 C++11 hash tables support:
std::unordered_map
std::unordered_set
std::unordered_multimap
std::unordered_multiset
is now compiling and working (sorting using -builtin not fully functional yet though).

2018-08-20: wkalinin
1305 Fix nested structure symbol tables in C mode to fix member name conflicts
in different structs with the same nested struct member name.

2018-08-18: wsfulton
[Python] 688 Fix makefile recursion when running python test-suite.

2018-08-18: wsfulton
[Python] 1310 Re-implement Python -fastproxy option.

The previous implementation failed with Python 3 and abstract base clases.
The new implementation replaces the Python 2 implementation using
new.instancemethod with the C API PyMethod_New to match the equivalent Python 3
implementation which uses PyInstanceMethod_New.

The new approach runs slightly faster. See 1310.

2018-08-12: gmazzamuto
[Python] 1283 Update pybuffer.i library to use new-style Python buffer C API.

2018-08-12: brianhatwood,wsfulton
[Java] 1303 1304 Fix crash in directors when using OUTPUT and INOUT typemaps in typemaps.i and
passing NULL pointers in C++ to director method overloaded and implemented in Java.

2018-08-10: wsfulton
[Python] 1293 Improve TypeError message inconsistencies between default and fastdispatch
mode when handling overloaded C++ functions. Previously the error message did not always
display the possible C/C++ prototypes in fastdispatch mode.

2018-08-02: furylynx,jacobwgillespie,p2k
[Javascript] 1290, 968. Add support for NodeJS versions 2-10.

2018-07-31: wsfulton
[Python] 1293 Overloaded C++ function wrappers now raise a TypeError instead
of NotImplementedError when the types passed are incorrect. This change means
there is now consistency with non-overloaded function wrappers which have always
raised TypeError when the incorrect types are passed. The error message remains
the same and is for example now:

TypeError: Wrong number or type of arguments for overloaded function 'f'.
Possible C/C++ prototypes are:
f(int)
f(char const *)

instead of:

NotImplementedError: Wrong number or type of arguments for overloaded function 'f'.
Possible C/C++ prototypes are:
f(int)
f(char const *)

*** POTENTIAL INCOMPATIBILITY ***

2018-06-23: wsfulton
[Python] 718 Fix pythonnondynamic feature for modern classes

Fixes nondynamic mode when an instance variable is set with the same
name as a class variable in a class derived from a SWIG proxy class.
This corner case set an instance variable instead of raising an AttributeError.

Also fix %pythonnondynamic in Python 3 with -modern. The metaclass
containing the implementation was previously not being applied in Python 3.

2018-07-17: petrmitrichev,wsfulton
[Python] 1275 1279 Initialize function-local statics (singletons) that call Python
code during Python module initialization in order to avoid deadlocks with subsequent
multi-threaded usage.

2018-06-15: wsfulton
[Python] Fix seg fault using Python 2 when passing a Python string, containing
invalid utf-8 content, to a wstring or wchar * parameter. A TypeError is thrown instead, eg:

%include <std_wstring.i>
void instring(const std::wstring& s);

instring(b"h\xe9llooo") Python

2018-06-15: wsfulton
[Python] Python 3.7 support: Replace use of deprecated PyUnicode_GetSize with
PyUnicode_GetLength to remove deprecated warnings compiling the C/C++ wrappers.

2018-06-12: wsfulton
[Python] Python 3.7 support: The %pythonabc feature in pyabc.i now uses base classes
collections.abc.MutableSequence
collections.abc.MutableMapping
collections.abc.MutableSet
instead of
collections.MutableSequence
collections.MutableMapping
collections.MutableSet
as the latter are deprecated in Python 3.7 and are due to be removed in Python 3.8.
The classes in collections.abc.* are available from Python 3.3 onwards. If you
require support for Python 3.2, then copy the pyabc.i file and modify by removing
the few instances of the .abc sub-module.

*** POTENTIAL INCOMPATIBILITY ***

2018-06-12: olly,wsfulton
[Python] 701 Remove support for Python versions < 2.7 and 3.0 and 3.1.

*** POTENTIAL INCOMPATIBILITY ***

2018-06-11: olly
[Python] Fix new GCC8 warnings in generated code by avoiding casts
between incompatible function types where possible, and by
suppressing the warning when it's due to the design of Python's C
API. Fixes 1259.

2018-06-08: philippkraft
[Python] Stop exposing <CLASS>_swigregister to Python. It's not
useful for user Python code to call this, and it just clutters the
API unnecessarily. Fixes 1225.

2018-06-07: cmfoil, kabbi, Jamie Kirkpatrick, markok314, vadz, wsfulton, Yann Diorcet
170 Doxygen documentation support added. This allows translation of Doxygen comments
into JavaDoc and PyDoc documentation. It is enabled via the -doxygen command line
option. See the Doxygen.html chapter in the documentation for further information.

2018-06-07: olly
[PHP] We've finally removed support for %pragma(php4) which was
deprecated back in 2008. Use %pragma(php) instead, which has been
supported since at least 2005.

*** POTENTIAL INCOMPATIBILITY ***

2018-06-07: olly
[PHP5] Support for PHP5 has been removed. PHP5 is no longer
actively supported by the PHP developers and security support for
it ends completely at the end of 2018, so it doesn't make sense
to include support for it in the upcoming SWIG 4.0.0 release.

*** POTENTIAL INCOMPATIBILITY ***

2018-06-06: olly
[Lua] Improve configure probes for Lua headers and libs used in testsuite.

2018-05-15: kwwette
[Octave] add support for version 4.4
- Should not introduce any user-visible incompatibilities

2018-05-15: wsfulton
[C, D, Java] Fix lookup of csconstruct, dconstruct and javaconstruct typemaps.
The C++ namespace was previously ignored when looking up the typemap.

2018-05-15: wsfulton
[Javascript] Fix generated C++ code when using %nspace on namespaces that are more
than two levels deep.

2018-05-14: wsfulton
Issue 1251 Add support for C++17 nested namespace definitions,
for example:
namespace A::B { ... }

2018-05-11: wsfulton
[C, D, Java] Add support so that the %csmethodmodifiers, %dmethodmodifiers,
%javamethodmodifiers can modify the method modifiers for the destructor wrappers
in the proxy class: dispose, Dispose, delete. With this feature, it is now possible
to make a C proxy class sealed, eg when wrapping a class X, the virtual method modifiers
can be removed using:

%typemap(csclassmodifiers) X "public sealed class"
%csmethodmodifiers X::~X "public /*virtual*/";

2018-04-18: olly
[Python] Suppress new pycodestyle warning:
E252 missing whitespace around parameter equals

2018-04-07: goatshriek
[Ruby] 1213 Fix ruby %alias directive for global C/C++ functions.

2018-04-03: olly
[Ruby] Fix to pass Qnil instead of NULL to rb_funcall(), which silences GCC
-Wconversion-null warning (on by default with recent GCC).

2018-03-09: wsfulton
[Java] 1184 Fix swigReleaseOwnership() and swigTakeOwnership() regression
for non-director classes. Restores a dynamic_cast which was previously removed.

2018-03-07: llongi
Github PR 1166 - Fix preprocessor handling of macros with commas
in a // comment.

2018-02-18: JPEWdev
Patch 1164 - Add support for a command-line options file, also sometimes
called a response file. This is useful if the command-line options exceed
the system command-line length limit. To use, put the command-line options
into a file, then provide the file name prefixed with , for example using
a file called args.txt:

swig args.txt

2018-02-11: wsfulton
[Javascript] 1187 Fix compilation error wrapping std::complex via
std_complex.i.

2018-01-30: smarchetto
[Scilab] add type name argument in SWIG_ptr() function to cast from pointer address to typed pointers

2018-01-16: wsfulton
Expressions following a preprocessor directive must now be separated by whitespace
or non-numeric characters. This syntax change makes the SWIG preprocessor work like
the C preprocessor in this area.

For example, the following code used be accepted as valid syntax:
if1
define ABC 123
endif

Now you get an error:
example.h:1: Error: Unknown SWIG preprocessor directive: if1 (if this is a block of
target language code, delimit it with %{ and %})
example.h:3: Error: Extraneous endif.

The following is the correct syntax:
if 1
define ABC 123
endif

The following of course also works:
if(1)
define ABC 123
endif

*** POTENTIAL INCOMPATIBILITY ***

2018-01-15: wsfulton
Fix issue 1183. Floating point exception evaluating preprocessor expressions
resulting in division by zero.

2018-01-14: wsfulton
Fix issue 1172. Seg fault parsing invalid exponents in the preprocessor.

2018-01-12: Liryna
[C] Patch 1128. Add ToArray function to std::vector wrappers.

2018-01-12: wsfulton
[Java] Fix issue 1156. Add missing throws clause for interfaces when using the
%interface family of macros.

2018-01-05: wsfulton
Fix default arguments using expressions containing -> syntax error. Problem reported on
swig-user mailing list.

2017-12-30: wsfulton
[Python] Replace pep8 with pycodestyle for checking the Python code style when
running Python tests.

2017-12-30: davedissian
Fixed a symbol lookup issue when encountering a typedef of a symbol from the tag
namespace to the global namespace when the names are identical, such as 'typedef
struct Foo Foo;'.

2017-12-13: wsfulton
[Perl] add missing support for directorfree typemaps.

2017-12-13: wsfulton
Issue 1167 Fix directorout typemaps which were causing undefined behaviour when
returning pointers by reference.

2017-12-08: olly
[PHP] Use ZEND_MODULE_GLOBALS_ACCESSOR to access globals so the
generated code builds when PHP was built with ZTS enabled.

2017-12-04: wsfulton
[Python] Add missing checks for failures in calls to PyUnicode_AsUTF8String. Previously a
seg fault could occur when passing invalid UTF8 strings (low surrogates), eg passing
u"\udcff" to the C layer (Python 3).

2017-11-24: joequant
[R] Fix 1124 and return R_NilValue for null pointers

2017-11-29: wsfulton
[Java] director exception handling improvements.

When a director method throws an exception and it is caught by DirectorException
and passed back to Java using Swig::DirectorException::throwException, the Java
stack trace now contains the original source line that threw the exception.

Deprecate Swig::DirectorException::raiseJavaException, please replace usage with
Swig::DirectorException::throwException.

*** POTENTIAL INCOMPATIBILITY ***

2017-10-26: wsfulton
Add support for C++11 ref-qualifiers when using directors.

2017-10-26: wsfulton
Fix generated code when using directors and methods returning const ref pointers.

2017-10-26: wsfulton
[C, D, Java, Octave, R, Scilab] Port director typemaps to these additional languages.
Issue 700.

2017-10-26: radarsat1
[Ruby Python] Patch 1029 - Correct handling of null using directors and shared_ptr.

2017-10-10: joequant
[R] pass enum expressions to R. This will generate
incorrect files when there is an arithmetic expression
in the enum, but this is better than silently generating
incorrect code

2017-10-09: olly
[PHP] Fix incorrect wrapper code generated when there's a
combination of overloading, parameters with a default value
and %newobject. Fixes https://sourceforge.net/p/swig/bugs/1350/

2017-10-09: olly
Remove GCJ support. It isn't in a good state and doesn't seem to
be used, and GCC7 dropped GCJ. Closes
https://sourceforge.net/p/swig/bugs/823/

2017-10-07: olly
Fix preprocessor handling of empty macro arguments to match that of
C/C++ compilers. Fixes issue 1111 and
https://sourceforge.net/p/swig/bugs/826/

2017-10-06: wsfulton
[Python] Issue 1108. Fix platform inconsistency in Python default argument handling.
32 bit and 64 bit compiled versions of SWIG generated different Python files
when default arguments were outside the range of 32 bit signed integers.
The default arguments specified in Python are now only those that are in the
range of a 32 bit signed integer, otherwise the default is obtained from C/C++ code.

2017-10-02: wsfulton
[C] Fix std::complex types passed by value.

2017-10-02: wsfulton
[Javascript, Python, Ruby] Issue 732 - Missing type information for std::complex
in std_complex.i meant that previously std::complex always had to be fully qualified
in order to be wrapped with the appropriate typemaps.

2017-10-01: joequant
allow R package names with docs
allowing multiple get accessors in R
fix smart-pointer and NAMESPACE support
constructors now returning smart pointers (if class
declared as such)
smart-pointer classes deriving from parent smart-pointers

2017-09-29: wsfulton
Issue 1100 - Allow an instantiated template to have the same name in the target
language as the C++ template name, for example, this is now possible:

template<typename T> struct X { ... };
%template(X) X<int>;

2017-09-23: wsfulton
Issue 1098. Fix overloading of shared_ptr with underlying pointer types, eg:

void m(std::shared_ptr<T> p);
void m(T &p);
void m(T *p);

Only the first method is wrapped and the others are ignored/shadowed.
The implementation is done via a new attribute in the 'typecheck' typemap called
'equivalent'. If specified, it must contain the equivalent pointer type for overloading
and can only be used for the special SWIG_TYPECHECK_POINTER precedence level.
The shared_ptr 'typecheck' typemaps have been modified accordingly.
Here is a simplified version:

%typemap(typecheck, precedence=SWIG_TYPECHECK_POINTER, equivalent="T *")
T,
T CONST &,
T CONST *,
T *CONST&,
std::shared_ptr< T >,
std::shared_ptr< T > &,
std::shared_ptr< T > *,
std::shared_ptr< T > *&
{ ... }

Overloading with any of these types will result in SWIG ignoring all but the first
overloaded method by default. Without the 'equivalent' attribute, wrapping the overloaded
methods resulted in types being shadowed (scripting languages) or code that did not
compile (statically typed languages).

2017-09-19: futatuki
[Python] 1003 Add --with-2to3=/path/to/2to3 option to configure.

2017-09-18: wsfulton
Fix type promotion wrapping constant expressions of the form:
define EXPR_MIXED1 (0x80 + 11.1) - 1
This was previously an integral type instead of a floating point type.

2017-09-17: wsfulton
Fix generated code for constant expressions containing wchar_t L literals such as:
define __WCHAR_MAX (0x7fffffff + L'\0')
define __WCHAR_MIN (-__WCHAR_MAX - 1)

2017-09-10: mlamarre
[Python] Patch 1083. Define_DEBUG to 1 to do exactly like Visual Studio
/LDd, /MDd or /MTd compiler options.

2017-08-25: wsfulton
Issue 1059. Add support for C++11 ref-qualifiers on non-static member functions.
Members with lvalue ref-qualifiers such as:

struct RQ {
void m1(int x) &;
void m2(int x) const &;
};

are wrapped like any other member function. Member functions with rvalue ref-qualifiers
are ignored by default, such as:

struct RQ {
void m3(int x) &&;
void m4(int x) const &&;
};

example.i:7: Warning 405: Method with rvalue ref-qualifier m3(int) && ignored.
example.i:8: Warning 405: Method with rvalue ref-qualifier m4(int) const && ignored.

These can be unignored and exposed to the target language, see further documentation in
CPlusPlus11.html.

2017-08-16: wsfulton
Fix 1063. Add using declarations to templates into typedef table.

Using declarations to templates were missing in SWIG's internal typedef tables.
This led to a few problems, such as, templates that did not instantiate and generated
C++ code that did not compile as SWIG did not know what scope the template was
in. This happened mostly when a using declaration was used on a template type in a
completely unrelated namespace.

2017-08-16: wsfulton
Fix type lookup in the presence of using directives and using declarations.

Fix some cases of type lookup failure via a combination of both using directives and
using declarations resulting in C++ code that did not compile as the generated type was
not fully qualified for use in the global namespace. Example below:

namespace Space5 {
namespace SubSpace5 {
namespace SubSubSpace5 {
struct F {};
}
}
using namespace SubSpace5;
using SubSubSpace5::F;
void func(SubSubSpace5::F f);
}

2017-08-16: wsfulton
Issue 1051. %template scope enforcement and class definition fixes.

The scoping rules around %template have been specified and enforced.
The %template directive for a class template is the equivalent to an
explicit instantiation of a C++ class template. The scope for a valid
%template instantiation is now the same as the scope required for a
valid explicit instantiation of a C++ template. A definition of the
template for the explicit instantiation must be in scope where the
instantiation is declared and must not be enclosed within a different
namespace.

For example, a few %template and C++ explicit instantiations of std::vector
are shown below:

// valid
namespace std {
%template(vin) vector<int>;
template class vector<int>;
}

// valid
using namespace std;
%template(vin) vector<int>;
template class vector<int>;

// valid
using std::vector;
%template(vin) vector<int>;
template class vector<int>;

// ill-formed
namespace unrelated {
using std::vector;
%template(vin) vector<int>;
template class vector<int>;
}

// ill-formed
namespace unrelated {
using namespace std;
%template(vin) vector<int>;
template class vector<int>;
}

// ill-formed
namespace unrelated {
namespace std {
%template(vin) vector<int>;
template class vector<int>;
}
}

// ill-formed
namespace unrelated {
%template(vin) std::vector<int>;
template class std::vector<int>;
}

When the scope is incorrect, an error now occurs such as:

cpp_template_scope.i:34: Error: 'vector' resolves to 'std::vector' and
was incorrectly instantiated in scope 'unrelated' instead of within scope 'std'.

Previously SWIG accepted the ill-formed examples above but this led to
numerous subtle template scope problems especially in the presence of
using declarations and using directives as well as with %feature and %typemap.

Actually, a valid instantiation is one which conforms to the C++03
standard as C++11 made a change to disallow using declarations and
using directives to find a template.

// valid C++03, ill-formed C++11
using std::vector;
template class vector<int>;

Similar fixes for defining classes using forward class references have
also been put in place. For example:

namespace Space1 {
struct A;
}
namespace Space2 {
struct Space1::A {
void x();
}
}

will now error out with:

cpp_class_definition.i:5: Error: 'Space1::A' resolves to 'Space1::A' and
was incorrectly instantiated in scope 'Space2' instead of within scope 'Space1'.

Previously some symbols would have been instantiated in the wrong scope and led
to lots of scope problems involving SWIG typemaps, features, renames etc.
You will need to correct the scope used in other SWIG directives which do not
support 'using declarations' and 'using directives'. For example, if you previously had:

%rename(Zap) vector<int>::clear;
using namespace std;
%template(VectorInt) vector<int>;

Prior versions of SWIG incorrectly instantiated vector<int> in the global namespace
and so the %rename matched. Now the template is instantiated in the correct namespace,
so is fully qualified as std::vector<int>. The other SWIG directives need correcting as
they do not follow 'using declarations' and 'using directives'. Change it to:

%rename(Zap) std::vector<int>::clear;
using namespace std;
%template(vin) vector<int>;


*** POTENTIAL INCOMPATIBILITY ***

2017-08-16: wsfulton
Fix scope lookup for template parameters containing unary scope operators.

Fixes cases like:

namespace Alloc {
template<typename T> struct Rebind {
typedef int Integer;
};
}
%template(RebindBucket) Alloc::Rebind< Bucket >;
OR
%template(RebindBucket) Alloc::Rebind< ::Bucket >;

Alloc::Rebind< Bucket >::Integer Bucket1();
Alloc::Rebind< ::Bucket >::Integer Bucket2();
Alloc::Rebind<::template TemplateBucket<double>>::Integer Bucket3();

2017-08-16: wsfulton
For templates only, the template parameters are fully resolved when
handling typemaps. Without this, it is too hard to have decent rules
to apply typemaps when parameter types are typedef'd and template
parameters have default values.

Fixes %clear for typedefs in templates, eg:

%typemap("in") XXX<int>::Long "..."
template typename<T> struct XXX {
typedef long Long;
};
%clear XXX<int>::Long;

as the typemap was previously incorrectly stored as a typemap for long
instead of XXX<int>::Long.

2017-08-05: olly
[C++11] Allow static_assert at the top level (and disallow it right
after template<T>). Fixes issue 1031 reported by Artem V L.

2017-08-02: wsfulton
Fix incorrectly shown warning when an empty template instantiation was used on a
class used as a base class and that base class was explicitly ignored with %ignore.
Example of the warning which will no longer appear:

Warning 401: Base class 'Functor< int,int >' has no name as it is an empty
template instantiated with '%template()'. Ignored.

2017-07-17: fflexo
[Java] 674 Add std_list.i to add support for std::list containers. The Java proxy
extends java.util.AbstractSequentialList and makes the C++ std::list container look
and feel much like a java.util.LinkedList from Java.

2017-07-07: wsfulton
[Python] Fix display of documented template types when using the autodoc
feature. For example when wrapping:

%feature("autodoc");
template<typename X> struct T {};
%template(TInteger) T<int>;

the generated documentation contains:
"""Proxy of C++ T< int > class."""
instead of:
"""Proxy of C++ T<(int)> class."""
and
"""__init__(TInteger self) -> TInteger"""
instead of
"""__init__(T<(int)> self) -> TInteger"""

2017-06-27: nihaln
[PHP] Update the OUTPUT Typemap to add return statement to the
PHP Wrapper.

2017-06-27: nihaln
[PHP] Update the enum and value examples to use the OO wrappers
rather than the flat functions produced with -noproxy. There's
not been a good reason to use -noproxy for since PHP5 OO wrapping
was fixed back in 2005.

2017-06-23: m7thon
[Python] fix and improve default argument handling:

1. Fix negative octals. Currently not handled correctly by `-py3`
(unusual case, but incorrect).
2. Fix arguments of type "octal + something" (e.g. `0640 | 04`).
Currently drops everything after the first octal. Nasty!
3. Fix bool arguments "0 + something" (e.g. `0 | 1`) are always
"False" (unusual case, but incorrect).
4. Remove special handling of "TRUE" and "FALSE" from
`convertValue` since there's no reason these have to match
"true" and "false".
5. Remove the Python 2 vs. Python 3 distinction based on the
`-py3` flag. Now the same python code is produced for default
arguments for Python 2 and Python 3. For this, octal default
arguments, e.g. 0644, are now wrapped as `int('644', 8)`. This
is required, as Python 2 and Python 3 have incompatible syntax
for octal literals.

Fixes 707

2017-06-21: futatuki
1004 - Fix ccache-swig executable name to respect configure's --program-prefix and
--program-suffix values if used.

2017-06-21: tamuratak
[Ruby] 911 - Add std::wstring support.

2017-06-19: wsfulton
[Python] Fix handling of rich comparisons when wrapping overloaded operators:

operator< operator<= operator> operator>= operator== operator!=

Previously a TypeError was always thrown if the type was not correct. NotImplemented
is now returned from these wrapped functions if the type being compared with is
not correct. The subsequent behaviour varies between different versions of Python
and the comparison function being used, but is now consistent with normal Python
behaviour. For example, for the first 4 operator overloads above, a TypeError
'unorderable types' is thrown in Python 3, but Python 2 will return True or False.
NotImplemented should be returned when the comparison cannot be done, see PEP 207 and
https://docs.python.org/3/library/constants.html#NotImplemented

Note that the bug was only present when overloaded operators did not also have a
function overload.

Fixes SF bug 1208 (3441262) and SF patch 303.

*** POTENTIAL INCOMPATIBILITY ***

2017-06-17: fabrice102
[Go] Fix Go callback example. Fixes github 600, 955, 1000.

2017-06-16: wsfulton
Make sure warning and error messages are not split up by other processes writing to
stdout at the same time.

2017-06-16: wsfulton
[R] Fix wrapping function pointers containing rvalue and lvalue reference parameters.

2017-06-13: olly
[Perl] Fix testsuite to work without . in INC - it was removed in
Perl 5.26 for security reasons, and has also been removed from
older versions in some distros. Fixes 997 reported by lfam.

2017-06-03: wsfulton
Fix %import on a file containing a file scope %fragment forced inclusion to not
generate the fragment contents as %import should not result in code being generated.
The behaviour is now the same as importing code insertion blocks.
Wrapping FileC.i in the following example will result in no generated code, whereas
previously "include <limits.h>" was generated:

// FileA.i
%fragment("<limits.h>", "header") %{
include <limits.h>
%}

%{
include <stdio.h>
%}
%fragment("<limits.h>");

// FileC.i
%import "FileA.i"

*** POTENTIAL INCOMPATIBILITY ***

2017-05-26: Volker Diels-Grabsch, vadz
[Java] 842 Extend from java.util.AbstractList<> and implement java.util.RandomAccess for
std::vector wrappers. This notably allows to iterate over wrapped vectors in a natural way.
Note that boxed types are now used in the Java layer when wrapping vector of C primitive
types, for example. This may introduce some subtle incompatibilities due to some
differences in how Java converts boxed types and unboxed types. For example,

int i=0;
double d1 = i; // ok
Double d2 = i; // error: incompatible types: int cannot be converted to Double

This can be a problem when calling the add and set functions. A suggested backwards
compatible workaround is to use something like (shown for std::vector<double>:

if defined(SWIGJAVA)
// Add in old api that uses non-boxed types
%extend std::vector<double> {
%proxycode %{
public void add(double x) {
add(Double.valueOf(x));
}
public void set(int i, double val) {
set(i, Double.valueOf(val));
}
%}
}
endif

%include "std_vector.i"
%template(VectorDouble) std::vector<double>;

*** POTENTIAL INCOMPATIBILITY ***

2017-05-30: davidcl
[Scilab] 994 Undefined symbol error when loading in Scilab 6

2017-05-25: asibross
[Java] 370 417 Missing smart pointer handling in Java director extra methods
swigReleaseOwnership() and swigTakeOwnership().

2017-05-23: wsfulton
[Java] 230 759 Fix Java shared_ptr and directors for derived classes java compilation
error.

For shared_ptr proxy proxy classes, add a protected method swigSetCMemOwn for modifying
the swigCMemOwn and swigCMemOwnDerived member variables which are used by various other
methods for controlling memory ownership.

2017-05-21: Sghirate
[Java, C, D] 449 Remove unnecessary use of dynamic_cast in directors to enable
non-RTTI compilation.

2017-05-21: wsfulton
[Python] 993 Fix handling of default -ve unsigned values, such as:
void f(unsigned = -1U);

2017-05-20: jschueller
[Python] 991 Fix E731 PEP8 warning: do not assign a lambda expression

2017-05-16: nihal95
[PHP] Add %pragma version directive to allow the version of the
extension to be set. Patch 970, fixes 360.

2017-05-13: yag00
Patch 975 - Add support for noexcept on director methods.

2017-04-27: redbrain
Issue 974, Patch 976 - Fix preprocessor handling of macros with commas in a comment.

2017-04-25: jleveque
[Lua] 959 - Fix Visual Studio C4244 conversion warnings in Lua wrappers.

2017-04-21: tamuratak
[Ruby] 964 - Add shared_ptr director typemaps.

2017-04-20: wsfulton
[Ruby] 586, 935 Add assert for invalid NULL type parameter when calling SWIG_Ruby_NewPointerObj.

2017-04-20: tamuratak
[Ruby] 930, 937 - Fix containers of std::shared_ptr.
Upcasting, const types (eg vector<shared_ptr<const T>>) and NULL/nullptr support added.

2017-04-12: smarchetto
[Scilab] New parameter targetversion to specify the Scilab target version (5, 6, ..) for code generation
With Scilab 6 target specified, identifier names truncation is disabled (no longer necessary)

2017-03-24: tamuratak
[Ruby] Fix 939 - Wrapping std::vector<bool> fix due to incorrect null checks
on VALUE obj.

2017-03-17: vadz
[C] 947 Add support for std::complex<T>

2017-03-17: wsfulton
[Go] Fix handling of typedef'd function pointers and typedef'd member function pointers
such as:

typedef int (*FnPtr_td)(int, int);
int do_op(int x, int y, FnPtr_td op);

2017-03-16: wsfulton
Add support for member const function pointers such as:

int fn(short (Funcs::* parm)(bool)) const;

Also fix parsing of references/pointers and qualifiers to member
pointers such as:

int fn(short (Funcs::* const parm)(bool));
int fn(short (Funcs::* & parm)(bool));

2017-03-10: wsfulton
Extend C++11 alternate function syntax parsing to support const and noexcept, such as:

auto sum1(int x, int y) const -> int { return x + y; }
auto sum2(int x, int y) noexcept -> int { return x + y; }

2017-02-29: tamuratak
[Ruby] 917 - Add Enumerable module to all container class wrappers. It was missing
for std::list, std::multiset, std::unordered_multiset and std::unordered_map.

2017-02-27: assambar
[C++11] Extend parser to support throw specifier in combination
with override and/or final.

2017-02-10: tamuratak
[Ruby] 883 - Add support for C++11 hash tables:
std::unordered_map
std::unordered_set
std::unordered_multimap
std::unordered_multiset

2017-02-08: jcsharp
[C] 887 Improve std::vector<T> wrapper constructors -
Replace constructor taking ICollection with IEnumerable and also add IEnumerable<T>
constructor to avoid the boxing and unboxing overhead of the original constructor,
when the type parameter is a value type.

3.0.12

============================

2017-01-27: wsfulton
[C] 882 Fix missing filename in error messages when there is a problem
writing out C files.

2017-01-27: briancaine
[Guile] 744 Fix compilation errors in Guile wrappers - regression
introduced in swig-3.0.11.

2017-01-24: andrey-starodubtsev
[Java] Apply 704 - director typemap improvements.
Memory leak fixes, add support for "directorargout" typemap and
add director support to typemaps.i.

2017-01-24: wsfulton
Enhance %extend to extend a class with template constructors, eg:

struct Foo {
%extend {
template<typename T>
Foo(int a, T b) {
...
}
}
};
%template(Foo) Foo::Foo<double>;

2017-01-22: wsfulton
Issue 876 Enhance %extend to extend a class with template methods, eg:

struct Foo {
%extend {
template<typename T>
void do_stuff(int a, T b) {
...
}
}
};
%template(do_stuff_inst) Foo::do_stuff<double>;

Similarly for static template methods.

2017-01-22: kwwette
[Octave] add support for version 4.2
- The Octave API now uses some C++11 features. It is recommended to use
the mkoctfile program supplied by Octave to compile the SWIG-generated
wrapper code, as mkoctfile will ensure the correct C++ compiler/options
are used. Otherwise, the value of `mkoctfile -p CXX` should be parsed
for any -std=* flags which might be present.
- Octave has dropped support for << and >> operators, so SWIG now
ignores them.
- The Octave error() function now raises C++ exceptions to propagate
Octave errors, so %exception directives may need to be modified.
For convenience the SWIG_RETHROW_OCTAVE_EXCEPTIONS macro can be used
to rethrow any Octave exceptions for Octave itself to handle, e.g.:

try {
$action // may call error()
}
SWIG_RETHROW_OCTAVE_EXCEPTIONS // error() exceptions are rethrown
catch(...) {
... // all other exceptions
}

*** POTENTIAL INCOMPATIBILITY ***

2017-01-16: wkalinin
[C] Fix 733 regression introduced in swig-3.0.9.
Missing virtual function override in C layer when using %import.

2017-01-16: fschlimb
Fix 813 template symbol name lookup bug when typedef names are the same but in different
namespaces.

2017-01-15: wsfulton
[C D Java]
The SWIG library no longer uses the javatype, dtype or cstype typemaps, thereby
completely freeing them up for users to use without having to replicate the library
code that they previously added. The code previously generated by these typemaps
has been replaced by the new %proxycode directive. Their use in the library code
was fairly minimal:

C cstype: std_array.i std_map.i std_vector.i
D dtype: std_vector.i
Java javatype: arrays_java.i

2017-01-14: wsfulton
The %extend directive can now optionally support one of the 'class', 'struct' or 'union'
keywords before the identifier name, for example:

struct X { ... };
%extend struct X { ... }

Previously this had to specified as:

struct X { ... };
%extend X { ... }

2017-01-13: wsfulton
[C D Java] Add new %proxycode directive which is a macro for %insert("proxycode").
This is a way of adding pure C/D/Java code into the appropriate proxy class, eg:

%extend Proxy2 {
%proxycode %{
public int proxycode2(int i) {
return i+2;
}
%}
}

%inline %{
struct Proxy2 {};
%}

There will then be a pure Java/C/D method called proxycode2 in the Proxy2 class.

2016-12-31: ajrheading1
Issue 860 - Remove use of std::unary_function and std::binary_function
which is deprecated in C++11.

2016-12-30: olly
[PHP7] Register internal 'swig_runtime_data_type_pointer' constant
as "CONST_PERSISTENT" to avoid segmentation fault on module unload.
Fixes 859 reported by Timotheus Pokorra. Thanks also to Javier Torres
for a minimal reproducer.

3.0.11

============================

2016-12-24: wsfulton
[C] Add %feature("csdirectordelegatemodifiers") to enable customization
of the delegate access modifiers generated in director classes.
Fixes issue 748.

2016-12-23: wsfulton
[Python] Fix builtin "python:slot" feature failing for tp_hash when using
hashfunc closure with a "Wrong type for hash function" for Python 2.
Issue 843.

2016-12-21: joequamt
Changed generation of functions so that only functions
that end in _set generate accessor functions rather than
looking for "set".
Change generation of operators to not have underscores
to start in R. Users need to provide custom names for these operator overloads.

2016-12-21: olly
Fix isfinite() checks to work with all C++11 compilers.
Fixes issues 615, 788 and 849.

2016-12-20: wsfulton
%namewarn unnecessarily caused keyword warnings for non-instantiated template classes
and duplicate warnings for instantiated template classes when keywords were used.
Issue 845.

2016-12-18: ezralanglois
[Python, Ruby, Octave] Memory leak fix on error in std::pair wrappers.
Issue 851.

2016-12-18: wsfulton
Zero initialize arrays when using %array_class and %array_functions.

2016-12-18: t-ikegami
[Python] Fix 446
Python %array_class of carrays.i failed with -builtin option.

2016-12-16: briancaine
[Guile] Patch 744 Added support for Guile's native pointer functionality

2016-12-01: wsfulton
[Python] Issue 769.
Add optional moduleimport attribute to %module so that the
default module import code can be overridden. See the "Searching for the wrapper module"
documentation in Python.html. Example:

%module(moduleimport="import _foo") foo

$module also expands to the low-level C/C++ module name, so the following is the
same as above

%module(moduleimport="import $module") foo

2016-11-30: olly
[PHP] Add support for PHP7. PHP5's C extension API has changed
substantially so you need to use -php7 to specify you want PHP7
compatible wrappers. The default extension for generated wrappers
is now .cxx (to match SWIG's default for every other language - to
generate foo_wrap.cpp you can run SWIG with -cppext cpp). Fixes
issue 571.

As part of this change, the language subdirectory for PHP5 has
changed from "php" to "php5" - if you are making use of the search
path feature where the language subdirectory of each directory
is also searched, you'll need to update your bindings. A simple
fix which works for older and newer SWIG is to add a symlink:
ln -s php php5

*** POTENTIAL INCOMPATIBILITY ***

2016-11-30: olly
[PHP] Only emit one copy of each distinct arginfo. Previously we
emitted a separate one for every wrapped function, but typically
many functions have the same number of parameters and combinations
of parameters passed by reference or not.

This change significantly reduces both the size of the generated
wrapper, and of the compiled PHP extension module (e.g. by ~6% for
the stripped extension module for Xapian's PHP7 bindings).

2016-11-28: wsfulton
Fix %rename override of wildcard %rename for templates. For example:

%rename(GlobalIntOperator) *::operator bool; // wildcard %rename

%rename(XIntOperator) X::operator bool; // fix now overrides first %rename above
OR
%rename(XIntOperator) X<int>::operator bool; // fix now overrides first %rename above

template<typename T> struct X {
operator bool();
...
};
%template(Xint) X<int>;

This also fixes %rename override of global %rename for templates. For example:

// Global rename to make all functions start with a lower case letter
%rename("%(firstlowercase)s", %$isfunction ) "";
%rename(woohoo) W::Woo; // fix now overrides above %rename

template<typename T> struct W {
W Woo();
...
};
%template(Wint) W<int>;

The above also introduces a possibly unexpected change. Many of the STL containers
provided by SWIG use %rename to rename some methods, eg in std::vector, push_back
is renamed to add in Java. Previously this intended rename did not happen when using
using global %rename rules and the method would remain as push_back, but is now
renamed to add. Some more info in issue 856.

*** POTENTIAL INCOMPATIBILITY ***

2016-11-26: m7thon
[Python] Issue 709 - improved wrapping of division operators
'from __future__ import division' now works in Python 2 whether or not the
-py3 flag is used.

2016-11-12: joequant
[R] Issue 697 - fix comma issue with overload methods

2016-11-12: joequant
[R] Issue 555 - R runtime needs stdio.h

2016-11-02: wsfulton
[Python] Issue 816 - fix compilation error when using -extranative and -builtin.

2016-11-02: liorgold
Patch 741 - Add support for C++11 alias templates, see updated CPlusPlus11.html
documentation.

2016-10-30: myd7349
[C] Patch 740 Add std_array.i for C for wrapping std::array.

Patch also enhances std::vector<std::wstring> C wrappers with additional functions
(Contains, IndexOf, LastIndexOf and Remove).

2016-10-30: tobilau
[Java] Fix wrappers for wstring parameters in director methods to cleanup local
ref after director callback has finished.

2016-10-23: wsfulton
[C] Add missing csdirectorin VOID_INT_PTR and csdirectorout VOID_INT_PTR typemaps.

2016-10-23: jiulongw
Patch 781 - Fix wrapping of C compound expressions containing char constants
in quotes such as:

define H_SUPPRESS_SCALING_MAGIC (('s'<<24) | ('u'<<16) | ('p'<<8) | 'p')

enum DifferentTypes {
typecharcompound='A'+1,
typecharcompound2='B' << 2
};

2016-10-13: wsfulton
[Python] Issue 808 - fix Python pickling and metaclass for builtin wrappers.

The metaclass (SwigPyObjectType) for SWIG objects was not defined in
a way that let importlib successfully import the Python wrappers.
The pickle module previously failed to pickle objects because it couldn't
determine what module the SWIG wrapped objects were in.

2016-09-29: wsfulton
[Allegrocl, CFFI, GO, Javascript, Ocaml, R, Scilab]
Add missing support for the "ret" typemap in a few target languages.
The documentation also now has info on the "ret" typemap.

2016-09-27: ahmed-usman
[xml] Handle template parameters correctly.

2016-09-27: dontpanic92
[Go] Fix argument names in inherited functions taking more than 8
parameters. Fixes 795.

2016-09-26: smarchetto
[Scilab] mlists that map pointers can be given a custom type name.

2016-09-25: wsfulton
Patch 793 from q-p to expand exception handling to include std::bad_cast
in std_except.i.

2016-09-24: olly
[PHP] Fix code generated for feature("director:except") -
previously the return value of call_user_function() was ignored and
we checked an uninitialised value instead. Fixes 627. Based on
patch from Sergey Seroshtan.

2016-09-22: wsfulton
[Python] More flexible python builtin slots for overloaded C++ function.

The closure names used for builtin slots are mangled with their functype so
that overloaded C++ method names can be used for multiple slots.
For example:

%feature("python:slot", "mp_subscript", functype="binaryfunc") SimpleArray::__getitem__;
%feature("python:slot", "sq_item", functype="ssizeargfunc") SimpleArray::__getitem__(Py_ssize_t n);

will generate closures:

SWIGPY_SSIZEARGFUNC_CLOSURE(_wrap_SimpleArray___getitem__) /* defines _wrap_SimpleArray___getitem___ssizeargfunc_closure */
SWIGPY_BINARYFUNC_CLOSURE(_wrap_SimpleArray___getitem__) /* defines _wrap_SimpleArray___getitem___binaryfunc_closure */

Previously only one name was defined: _wrap_SimpleArray___getitem___closure.
Hence the overloaded __getitem__ method can be used to support both mp_subscript and sq_item slots.

2016-09-17: wsfulton
[Python] Fix iterators for containers of NULL pointers (or Python None) when using
-builtin. Previously iteration would stop at the first element that was NULL.

2016-09-16: olly
[Javascript] Fix SWIG_exception() macro to return from the current
function. Fixes 789, reported by Julien Dutriaux.

2016-09-16: olly
[PHP] Fix SWIG_exception() macro to return from the current function.
Fixes 240, reported by Sergey Seroshtan.

2016-09-12: xypron
[C] Patch 786 Keyword rename to be CLS compliant by adding an underscore
suffix instead of an underscore prefix to the C symbol name. Please use an explicit
%rename to rename the symbol with a _ prefix if you want the old symbol name.

*** POTENTIAL INCOMPATIBILITY ***

2016-09-09: olly
[Python] Fix import handling for Python 2.6 to work in a frozen
application. Fixes 145, reported by Thomas Kluyver.

2016-09-02: smarchetto
[Scilab] Pointers are mapped to mlist instead of tlist
(mlist better for scilab overloading)

2016-09-02: olly
[PHP] Fix "out" typemap for member function pointers and "in"
typemap for char INPUT[ANY].

2016-09-01: wsfulton
[Python] More efficient Python slicing.
Call reserve for container types that support it to avoid repeated
memory reallocations for new slices or slices that grow in size.

2016-09-01: wsfulton
[Python] 771 - Make builtin types hashable by default.
Default hash is the underlying C/C++ pointer. This matches up with testing for
equivalence (Py_EQ in SwigPyObject_richcompare) which compares the pointers.

2016-08-22: wsfulton
[Python] The following builtin slots can be customized like other slots via the
"python:<x>" and "python:slot" features where <x> is the appropriate slot name:
tp_allocs
tp_bases
tp_basicsize
tp_cache
tp_del
tp_dealloc
tp_flags
tp_frees
tp_getset
tp_is_gc
tp_maxalloc
tp_methods
tp_mro
tp_new
tp_next
tp_prev
tp_richcompare
tp_subclasses
tp_weaklist
was_sq_ass_slice
was_sq_slice

A few documentation improvements for slot customization.

2016-08-09: joequant
[R] Patch 765 Fix extern "C" header includes for C++ code.

2016-08-05: olly
[xml] Fix how the output filename is built to avoid problems when
it contains the embedded strings ".c", ".cpp" or ".cxx".
Fixes 540 reported by djack42.

2016-07-01: wsfulton
Fix corner case of wrapping std::vector of T pointers where a pointer to a pointer of T
also exists in the wrapped code. SF Bug 2359417 (967).

2016-06-26: wkalinin
[Java, C] Patch 681 Fix seg fault when ignoring nested classes.

2016-06-25: mromberg
[Python] 711 Fix -castmode and conversion of signed and unsigned integer types.
See 2015-12-23 CHANGES entry for details of these improvements when they were
implemented for the default options (ie not using -castmode).

2016-06-25: ahnolds
Patch 730 - Fix %implicitconv for overloaded functions when using
-castmode or -fastdispatch options.

The result is that in all overload cases where there are multiple possibilities
with the same number of arguments, the dispatch function will first check for
exact (aka non implicit) matches, and then subsequently check for implicit
casting matches. This was already happening in the normal dispatch situation,
and in the -fastdispatch case two passes through the candidates were happening,
just with SWIG_POINTER_IMPLICIT_CONV always set. After this patch, it is not set
on the first pass, and then set on the second pass.

2016-06-25: liorgold
Patch 727 - Add support for C++11 type aliasing.

3.0.10

============================

2016-06-06: mromberg
[Python] Patch 698. Add support for -relativeimport for python 2.7, so -py3 is no
longer also required for relative import support.

2016-06-05: mromberg
[Python] Patch 694 - Fix package import regressions introduced in swig-3.0.9.

1) The code in 3.0.9 did not fall back to 'import _foo' if 'import bar._foo' failed
(assuming bar.foo was the main module). Every place _foo is imported now first tries
it from the package where foo was found and if that fails tries _foo as a global module.

2) The separate block of Python code that injected code to pull in the attributes
from _foo when -builtin is used made use of the -py3 switch to either do
'from ._foo import *' or "from _foo import *". This block of code no longer does this
and instead checks the Python version at runtime to switch between the two syntaxes.

In summary, swig-3.0.10 has been modified to ease the creation of wrapper modules
that can be fully made part of a Python package. SWIG no longer
assumes the dynamically linked C module is a global module.
The dynamic module can now be placed into either the same package as the pure Python
module or as a global module. Both locations are used by the Python wrapper to
locate the C module.

However, this could cause a backwards incompatibility with some code
that was relying on the ability of "from package import _module" to
pull attributes out of the package directly. If your code populates a
module (which is also a package) with attributes that are SWIG
generated modules which were not loaded in a conventional way,
swig-3.0.8 and earlier may have worked due to 'from package import
_module' bypassing a real import and pulling your module in as an
attribute. This will no longer work. Since this is not a common (or
even recommended) practice, most folk should not be affected.

*** POTENTIAL INCOMPATIBILITY ***

2016-05-31: wsfulton
Fix 690 - Smart pointer to %ignored class doesn't expose inherited methods.
Regression introduced in swig-3.0.9.

3.0.9

===========================

2016-05-24: mromberg
[Python] Patch 612 - Add support for Python's implicit namespace packages.

2016-05-23: wsfulton
[Ruby] Fix 602 - Error handling regression of opaque pointers introduced
in swig-3.0.8 when C functions explicitly reset a pointer using 'DATA_PTR(self) = 0'.
An ObjectPreviouslyDeleted error was incorrectly thrown when the pointer was used
as a parameter.

2016-05-17: tamuratak
[Ruby] Patch 651 - Correct overloaded function error message when function is
using %newobject.

2016-05-17: aurelj
[Ruby] Patch 582 - add support for docstring option in %module()

2016-05-14: wsfulton
Fix 434 - Passing classes by value as parameters in director methods did not create
a copy of the argument leading to invalid memory accesses if the object was used
after the upcall into the target language. Passing arguments by value shouldn't give
rise to these sorts of memory problems and so the objects are now copied and ownership
of their lifetime is controlled by the target language.

2016-05-07: wsfulton
Fix 611. Fix assertion handling defaultargs when using %extend for a template
class and the extended methods contain default arguments.

2016-05-05: ejulian
[Python] Patch 617. Fix operator/ wrappers.

2016-05-02: wsfulton
Fix 669. Don't issue warning about ignoring base classes when the derived class is
itself ignored.

2016-04-18: ianlancetaylor
[Go] Fix use of goout typemap when calling base method by
forcing the "type" attribute to the value we need.

2016-04-17: ianlancetaylor
[Go] Fixes for Go 1.6: avoid returning Go pointers from
directors that return string values; add a trailing 0 byte
when treating Go string as C char*.

2016-04-06: smarchetto
[Scilab] 552 Make Scilab runtime keep track of pointer types
Instead of a Scilab pointer which has no type, SWIG Scilab maps a
pointer to a structure tlist containing the pointer adress and its type.

2016-04-02: ahnolds
[Python] Apply 598. Fix misleading error message when attempting to read a non-existent
attribute. The previous cryptic error message:
AttributeError: type object 'object' has no attribute '__getattr__'
is now replaced with one mentioning the attribute name, eg:
AttributeError: 'Foo' object has no attribute 'bar'

2016-04-02: derkuci
[Python] Patch 610 to fix 607.
Fix single arguments when using python -builtin -O with %feature("compactdefaultargs")

2016-03-31: wsfulton
Fixes 594. Fix assertion for some languages when wrapping a C++11 enum class that
is private in a class.

Also don't wrap private enums for a few languages that attempted to do so.

2016-03-31: wsfulton
[Java] unsigned long long marshalling improvements when a negative number
is passed from Java to C. A cast to signed long long in the C layer will now
result in the expected value. No change for positive numbers passed to C.
Fixes 623.

2016-03-22: alexwarg
[Lua] 398 Fix lua __getitem + inheritance
The new handling of classes in Lua (not merging methods into the derived classes)
breaks for classes that provide a __getitem function. The __getitem function
prevents method calls to any method defined in a base class. This fix calls
__getitem only if the member is not found using recursive lookup.

2016-03-18: ptomulik
[Python] 563 Stop generating unnecessary _swigconstant helpers.

2016-03-16: richardbeare
[R] 636 Add extra std::vector numeric types

2016-03-14: wsfulton
[Java] Add std_array.i for C++11 std::array support.

2016-03-12: wsfulton
[Java, C, D] Fix static const char member variables wrappers with %javaconst(1)
%csconst(1) or %dmanifestconst.
This fixes the case when an integer is used as the initializer, such as:

struct W { static const char w = 100; };

Fix generated code parsing enum values using char escape sequences
when these values appear in the Java code (usually when using %javaconst(1))
such as:

enum X { x1 = '\n', x2 = '\1' };

Similarly for static const member char variables such as:

struct Y { static const char y = '\n'; }

Likewise for D and %dmanifestconstant. For C and %csconst(1), char
values in C are now hex escaped as C doesn't support C octal escaping.

2016-03-11: wsfulton
[Java C] Add support for treating C++ base classes as Java interfaces
instead of Java proxy classes. This enable some sort of support for
multiple inheritance. The implementation is in swiginterface.i and
provides additional macros (see Java.html for full documentation):

%interface(CTYPE)
%interface_impl(CTYPE)
%interface_custom("PROXY", "INTERFACE", CTYPE)

2016-03-01: wsfulton
Add rstrip encoder for use in %rename. This is like the strip encoder but
strips the symbol's suffix instead of the prefix. The example below
will rename SomeThingCls to SomeThing and AnotherThingCls to AnotherThing:

%rename("%(rstrip:[Cls])s") "";

class SomeThingCls {};
struct AnotherThingCls {};

2016-03-01: olly
Fix isfinite() check to work with GCC6. Fixes
issue 615 reported by jplesnik.

2016-02-17: olly
[Python] Add missing keywords 'as' and 'with' to pythonkw.swg.

2016-02-07: kwwette
[Octave] recognise various unary functions
* Use __float__() for numeric conversions, e.g. when calling double()
* Map various unary functions, e.g. abs() to __abs__(), see full list
in section 32.3.10 of manual; only available in Octave 3.8.0 or later

2016-02-07: kwwette
[Octave] export function swig_octave_prereq() for testing Octave version

2016-02-06: pjohangustavsson
[C] Fix duplicate symbol problems when linking the source generated
from multiple SWIG modules into one shared library for the -namespace
option. The namespace is now mangled into the global PInvoke function
names.

*** POTENTIAL INCOMPATIBILITY ***

2016-01-27: ahnolds
[Python] Added support for differentiating between Python Bytes
and Unicode objects using by defining SWIG_PYTHON_STRICT_BYTE_CHAR
and SWIG_PYTHON_STRICT_UNICODE_WCHAR.

2016-01-27: steeve
[Go] Ensure structs are properly packed between gc and GCC/clang.

2016-01-25: ahnolds
[Python] Support the full Python test suite in -classic mode
* Convert long/unsigned long/long long/unsigned long long to PyInt
rather than PyLong when possible. Certain python functions like
len() require a PyInt when operating on old-style classes.
* Add support for static methods in classic mode, including support
for pythonappend, pythonprepend, and docstrings.
* Removing the use of __swig_getmethods__ for static member methods
since they will always be found by the standard argument lookup
* Fix a bug where the wrong type of exception was caught when
checking for new-style class support

2016-01-23: ahnolds
[Go] Enable support for the Go test-suite on OSX:
* The linker on OSX requires that all symbols (even weak symbols)
are defined at link time. Because the function _cgo_topofstack is
only defined starting in Go version 1.4, we explicitly mark it as
undefined for older versions of Go on OSX.
* Avoid writing empty swigargs structs, since empty structs are not
allowed in extern "C" blocks.

2016-01-12: olly
[Javascript] Look for "nodejs" as well as "node", as it's packaged
as the former on Debian.

2016-01-12: olly
[Javascript] For v8 >= 4.3.0, use V8_MAJOR_VERSION.
Fixes issue 561.

2016-01-10: ahnolds
Improved size_t and ptrdiff_t typemaps to support large values
on platforms where sizeof(size_t) > sizeof(unsigned long) and
sizeof(ptrdiff_t) > sizeof(long).

3.0.8

===========================

2015-12-30: wsfulton
The pdf documentation is now generated by wkhtmltopdf and has colour
for the code snippets just like the html documentation!

2015-12-23: ahnolds
[Python] Fixes for conversion of signed and unsigned integer types:

No longer check for PyInt objects in Python3. Because PyInt_Check
and friends are defined to the corresponding PyLong methods, this
had caused errors in Python3 where values greater than what could be
stored in a long were incorrectly interpreted as the value -1 with
the Python error indicator set to OverflowError. This applies to
both the conversions PyLong->long and PyLong->double.

Conversion from PyLong to long, unsigned long, long long, and
unsigned long long now raise OverflowError instead of TypeError in
both Python2 and Python3 for PyLong values outside the range
expressible by the corresponding C type. This matches the existing
behavior for other integral types (signed and unsigned ints, shorts,
and chars), as well as the conversion for PyInt to all numeric
types. This also indirectly applies to the size_t and ptrdiff_t
types, which depend on the conversions for unsigned long and long.

2015-12-19: wsfulton
[Python] Python 2 Unicode UTF-8 strings can be used as inputs to char * or
std::string types if the generated C/C++ code has SWIG_PYTHON_2_UNICODE defined.

2015-12-17: wsfulton
Issues 286, 128
Remove ccache-swig.1 man page - please use the CCache.html docs instead.
The yodl2man and yodl2html tools are no longer used and so SWIG no
longer has a dependency on these packages which were required when
building from git.

2015-12-16: zturner/coleb
[Python] Fix Python3.5 interpreter assertions when objects are being
deleted due to an existing exception. Most notably in generators
which terminate using a StopIteration exception. Fixes 559 560 573.
If a further exception is raised during an object destruction,
PyErr_WriteUnraisable is used on this second exception and the
original exception bubbles through.

2015-12-14: ahnolds/wsfulton
[Python] Add in missing initializers for tp_finalize,
nb_matrix_multiply, nb_inplace_matrix_multiply, ht_qualname
ht_cached_keys and tp_prev.

2015-12-12: wsfulton
Fix STL wrappers to not generate <: digraphs.
For example std::vector<::X::Y> was sometimes generated, now
corrected to std::vector< ::X::Y >.

2015-11-25: wsfulton
[Ruby] STL ranges and slices fixes.

Ruby STL container setting slices fixes:

Setting an STL container wrapper slice better matches the way Ruby
arrays work. The behaviour is now the same as Ruby arrays. The only
exception is the default value used when expanding a container
cannot be nil as this is not a valid type/value for C++ container
elements.

Obtaining a Ruby STL container ranges and slices fixes:

Access via ranges and slices now behave identically to Ruby arrays.
The fixes are mostly for out of range indices and lengths.
- Zero length slice requests return an empty container instead of nil.
- Slices which request a length greater than the size of the container
no longer chop off the last element.
- Ranges which used to return nil now return an empty array when the
the start element is a valid index.

Ruby STL container negative indexing support improved.

Using negative indexes to set values works the same as Ruby arrays, eg

%template(IntVector) std::vector<int>;

iv = IntVector.new([1,2,3,4])
iv[-4] = 9 => [1,2,3,9]
iv[-5] = 9 => IndexError

2015-11-21: wsfulton
[Ruby, Python] Add std::array container wrappers.

These work much like any of the other STL containers except Python/Ruby slicing
is somewhat limited because the array is a fixed size. Only slices of
the full size are supported.

2015-10-10: wsfulton
[Python] 539 - Support Python 3.5 and -builtin. PyAsyncMethods is a new
member in PyHeapTypeObject.

2015-10-06: ianlancetaylor
[Go] Don't emit a constructor function for a director
class with an abstract method, since the function will
always panic.

2015-10-01: wsfulton
Fix %shared_ptr support for private and protected inheritance.
- Remove unnecessary Warning 520: Derived class 'Derived' of 'Base'
is not similarly marked as a smart pointer
- Do not generate code that attempts to cast up the inheritance chain in the
type system runtime in such cases as it doesn't compile and can't be used.
Remove unnecessary warning 520 for %shared_ptr when the base class is ignored.

2015-10-01: vkalinin
Fix 508: Fix segfault parsing anonymous typedef nested classes.

2015-09-26: wsfulton
[Ruby] Add shared_ptr support

2015-09-13: kkaempf
[Ruby] Resolve tracking bug - issue 225.
The bug is that the tracking code uses a ruby hash and thus may
allocate objects (Bignum) while running the GC. This was tolerated in
1.8 but is invalid (raises an exception) in 1.9.
The patch uses a C hash (also used by ruby) instead.

2015-09-09: lyze
[CFFI] Extend the "export" feature in the CFFI module to support
exporting to a specified package.

2015-09-04: olly
[Python] Fix docstrings for %callback functions.

2015-09-03: demi-rluddy
[Go] Removed golang stringing for signed/unsigned char

Changed default handling of signed char* and unsigned char* to be
opaque pointers rather than strings, similarly to how other
languages work.

Any existing code relying on treating signed char* or unsigned
char* as a string can restore the old behavior with typemaps.i by
using %apply to copy the [unchanged] char* behavior.

*** POTENTIAL INCOMPATIBILITY ***

2015-08-07: talby
[Perl] tidy -Wtautological-constant-out-of-range-compare warnings when building generated code under clang

2015-08-07: xantares
[Python] pep257 & numpydoc conforming docstrings:
- Mono-line module docsstring
- Rewrite autodoc parameters section in numpydoc style:
https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt
- One line summary should end with "."
- Adds a blank line after class docstring

2015-08-05: vadz
[Java] Make (char* STRING, size_t LENGTH) typemaps usable for
strings of other types, e.g. "unsigned char*".

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