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SWIG (Simplified Wrapper and Interface Generator)
See the CHANGES.current file for changes in the current version.
See the RELEASENOTES file for a summary of changes in each release.
Version 3.0.7 (3 Aug 2015)
==========================
2015-08-02: wsfulton
[Java] Fix potential security exploit in generated Java classes.
The swigCPtr and swigCMemOwn member variables in the generated Java
classes are now declared 'transient' by default. Further details of the exploit
in Android is being published in an academic paper as part of USENIX WOOT '15:
https://www.usenix.org/conference/woot15/workshop-program/presentation/peles.
In the unlikely event that you are relying on these members being serializable,
then you will need to override the default javabody and javabody_derived typemaps
to generate the old generated code. The relevant typemaps are in the Lib directory
in the java.swg, boost_shared_ptr.i and boost_intrusive_ptr.i files. Copy the
relevant default typemaps into your interface file and remove the 'transient' keyword.
*** POTENTIAL INCOMPATIBILITY ***
2015-08-01: vadz
Make configure --without-alllang option more useful: it can now be overridden by the following
--with-xxx options, allowing to easily enable just one or two languages.
2015-07-30: wsfulton
Fix #440 - Initialise all newly created arrays when using %array_functions and %array_class
in the carrays.i library - bug is only relevant when using C++.
2015-07-29: wsfulton
[Python] Improve indentation warning and error messages for code in the following directives:
%pythonprepend
%pythonappend
%pythoncode
%pythonbegin
%feature("shadow")
Old error example:
Error: Line indented less than expected (line 3 of pythoncode)
New error example:
Error: Line indented less than expected (line 3 of %pythoncode or %insert("python") block)
as no line should be indented less than the indentation in line 1
Old warning example:
Warning 740: Whitespace prefix doesn't match (line 2 of %pythoncode or %insert("python") block)
New warning example:
Warning 740: Whitespace indentation is inconsistent compared to earlier lines (line 3 of
%pythoncode or %insert("python") block)
2015-07-28: wsfulton
[Python] Fix #475. Improve docstring indentation handling.
SWIG-3.0.5 and earlier sometimes truncated text provided in the docstring feature.
This occurred when the indentation (whitespace) in the docstring was less in the
second or later lines when compared to the first line.
SWIG-3.0.6 gave a 'Line indented less than expected' error instead of truncating
the docstring text.
Now the indentation for the 'docstring' feature is smarter and is appropriately
adjusted so that no truncation occurs.
2015-07-22: wsfulton
Support for special variable expansion in typemap attributes. Example usage expansion
in the 'out' attribute (C# specific):
%typemap(ctype, out="$*1_ltype") unsigned int& "$*1_ltype"
is equivalent to the following as $*1_ltype expands to 'unsigned int':
%typemap(ctype, out="unsigned int") unsigned int& "unsigned int"
Special variables can be used within special variable macros too. Example usage expansion:
%typemap(cstype) unsigned int "uint"
%typemap(cstype, out="$typemap(cstype, $*1_ltype)") unsigned int& "$typemap(cstype, $*1_ltype)"
Special variables are expanded first and hence the above is equivalent to:
%typemap(cstype, out="$typemap(cstype, unsigned int)") unsigned int& "$typemap(cstype, unsigned int)"
which then expands to:
%typemap(cstype, out="uint") unsigned int& "uint"
2015-07-22: lindleyf
Apply patch #439 - support for $typemap() (aka embedded typemaps or special variable
macros) in typemap attributes. A simple example where $typemap() is expanded in the
'out' attribute (C# specific):
%typemap(cstype) unsigned int "uint"
%typemap(cstype, out="$typemap(cstype, unsigned int)") unsigned int& "$typemap(cstype, unsigned int)"
is equivalent to:
%typemap(cstype, out="uint") unsigned int& "uint"
2015-07-18: m7thon
[Python] Docstrings provided via %feature("docstring") are now quoted and added to
the tp_doc slot when using python builtin classes (-builtin). When no docstring is
provided, the tp_doc slot is set to the fully qualified C/C++ class name.
Github issues #445 and #461.
2015-07-17: kwwette
[octave] Support Octave version 4.0.0 (thanks to patches from Orion Poplawski).
2015-07-07: wsfulton
SWIG no longer generates a wrapper for a class' constructor if that class has
any base class with a private destructor. This is because your compiler should
not allow a class to be instantiated if a base has a private destructor. Some
compilers do, so if you need the old behaviour, use the "notabstract" feature, eg:
%feature("notabstract") Derived;
class Base {
~Base() {}
};
struct Derived : Base {};
Version 3.0.6 (5 Jul 2015)
==========================
2015-07-02: wsfulton
Fix syntax error when the template keyword is used in types, eg:
std::template vector<int> v;
2015-07-02: ngladitz
[Lua] Push characters as unformatted 1-character strings to avoid
unprintable characters such as (char)127 being converted to
"<\127>" with Lua 5.3 and later. (github PR #452)
2015-06-29: olly
[Python] Improve handling of whitespace in %pythoncode.
Previously SWIG looked at the indentation of the first line and
removed that many characters from each subsequent line, regardless
of what those characters were. This was made worse because SWIG's
preprocessor removes any whitespace before a '#'. Fixes github
issue #379, reported by Joe Orton.
2015-06-12: wsfulton
[R] Fix #430 - call to SWIG_createNewRef in copyToC was incorrectly named.
2015-06-11: sghirate
[C#] Patch #427 adds in new command line option -outfile to combine all the
generated C# code into a single file.
2015-06-09: wsfulton
Fix seg fault processing C++11 type aliasing. Issue #424.
2015-05-28: wsfulton
[Python] Add new feature "python:cdefaultargs" to control default argument
code generation. By default, SWIG attempts to convert C/C++ default argument values
into Python values and generates code into the Python layer with these values.
Recent versions of SWIG are able to convert more of these values, however, the
new behaviour can be circumvented if desired via this new feature, such that
the default argument values are obtained from the C layer and not the Python layer.
For example:
struct CDA {
int fff(int a = 1, bool b = false);
};
The default code generation in the Python layer is:
class CDA(_object):
...
def fff(self, a=1, b=False):
return _default_args.CDA_fff(self, a, b)
Adding the feature:
%feature("python:cdefaultargs") CDA::fff;
Results in:
class CDA(_object):
...
def fff(self, *args):
return _default_args.CDA_fff(self, *args)
Some code generation modes, eg -builtin and -fastproxy, are unaffected by this as
the default values are always obtained from the C layer.
2015-05-27: wsfulton
[Python] Deal with an integer as the default value of a typedef to bool
parameter in the C++ prototype. See #327. Regression from 3.0.0 onwards.
2015-05-19: olly
[Python] Fix warning when compiling generated code with MSVC.
(Fixes https://sourceforge.net/p/swig/patches/351/ reported by
Mateusz Szyma¿ski).
2015-05-14: wsfulton
Fix seg fault wrapping shared_ptr of classes with private constructors and destructors.
This also fixes the "unref" feature when used on classes with private destructors.
2015-05-10: wsfulton
[Java] Fix multi-argument typemaps (char *STRING, size_t LENGTH)
so that they can be applied to a wider range of types. Fixes #385.
2015-05-07: olly
[Python] Deal with an integer as the default value of a bool
parameter in the C++ prototype. Fixes github #327, reported by
Greg Allen.
2015-05-07: LindleyF
[Java] Allow feature("director") and feature("ref") to be used
together. Github PR#403.
2015-05-05: olly
Suppress warning 325 "Nested class not currently supported (Foo
ignored)" when Foo has already been explicitly ignored with "%ignore".
2015-05-04: wsfulton
Add support for friend templates, including operator overloading - fixes #196. Considering
the example below, previously the operator gave a syntax error and friendfunc incorrectly
warned with:
"Warning 503: Can't wrap 'friendfunc<(Type)>' unless renamed to a valid identifier."
template <class Type> class MyClass {
friend int friendfunc <Type>(double is, MyClass <Type> & x);
friend int operator<< <Type>(double un, const MyClass <Type> &x);
};
The following also previously incorrectly warned with:
"Warning 302: Identifier 'template_friend' redefined (ignored),"
template<typename T> T template_friend(T);
struct MyTemplate {
template<typename T> friend T template_friend(T);
};
2015-05-01: wsfulton
Fix handling of conversion operators where the operator is split over multiple
lines or has comments within the operator type. Fixes #401.
Also fix similar problem with normal operators which gave a syntax error if split over
multiple lines or had a comment within the operator declaration.
2015-04-30: olly
Ignore unknown preprocessor directives which are inside an inactive
conditional (github issue #394, reported by Dan Wilcox).
Regression introduced in 3.0.3.
2015-04-27: vadz
[Python] Fix "default" typemap used after an argument with "numinputs=0" (#377).
2015-04-24: wsfulton
[Python] Fix #256. Code generated with '-builtin -modernargs' segfaults for any
method taking zero arguments.
Also fixes: "SystemError: error return without exception set" during error checking
when using just -builtin and the incorrect number of arguments is passed to a class
method expecting zero arguments.
2015-04-23: wsfulton
[Java] Bug #386 - Memory leak fix in (char *STRING, size_t LENGTH) typemaps.
2015-04-23: vadz
[Python] Make "default" typemap work again (#330, #377).
2015-04-23: vadz
[Python] Fix the use of default values for the pointer types (#365, #376).
2015-04-23: wsfulton
Fix 'make check-ccache' which is part of 'make check' when one of the CCACHE_
environment variables, for example CCACHE_DISABLE, is set.
2015-04-14: wsfulton
Clearer warning message for badly constructed typecheck typemaps. For example, was:
example.i:3: Warning 467: Overloaded foo(int) not supported (no type checking
rule for 'int').
Now:
example.i:3: Warning 467: Overloaded foo(int) not supported (incomplete type checking
rule - no precedence level in typecheck typemap for 'int').
2015-04-11: wsfulton
[Java] Fix #353 - Linker multiple definition of 'ExceptionMatches' when
using directors and multiple modules.
2015-04-11: wsfulton
Merge #320 - Make __dict__ accessible for Python builtin classes.
2015-04-07: wsfulton
Fix #375 - parsing of extern "C" and typedef for example:
extern "C" typedef void (*Hook2_t)(int, const char *);
extern "C" typedef int Integer;
2015-03-12: olly
-DSWIG_DIRECTOR_STATIC is now supported for all languages with
director support, not only Python and PHP.
2015-03-02: ianlancetaylor
[Go] Add -cgo option, required for Go versions 1.5 and
later.
2015-02-26: olly
Fix segmentation fault when top==NULL, introduced by nested class
handling (reported in issue#346 by Pawe¿ Tomulik).
2015-02-09: wsfulton
[Guile] Fix generated code for static const char member variables when
defined and declared inline.
2015-02-09: mishas
[Go] Fix %import of files in sub directories.
2015-02-05: ianlancetaylor
[Go] Ignore Go specific type maps (goin, goout, etc.) if they are empty.
2015-02-05: ianlancetaylor
[Go] Generated Go code no longer calls _swig_goallocate or
_swig_makegostring, as they will no longer work as of Go 1.5.
Version 3.0.5 (31 Jan 2015)
===========================
2015-01-30: wsfulton
[Python] Fix Python -classic and property setting. Setting properties on classic classes
was broken in swig-3.0.3 by attempting to use __setattr__. This regression is fixed now
by using __dict__ again when using -classic.
Fixes patch #232.
2015-01-27: smarchetto
[Scilab] Support for the Scilab language has been added
2015-01-23: olly
[PHP] When wrapping a returned resource as an object, check if all
cases wrap it in the same class, and if so eliminate the pointless
switch statement wrapper we previously generated.
2015-01-22: wsfulton
[Octave] Merge patch #297 for SF bug #1277 - Octave shared_ptr support
2015-01-15: wsfulton
[Python] Merge patch #250 - Fixes for using %constant and objects (non-primitive types)
2015-01-15: wsfulton
[C# Go] Merge patch #308 and fix #307 - C++11 strongly typed enum support
in directors
2015-01-15: wsfulton
[Python] Second fix for #294 #296 - Regression introduced in SWIG-3.0.3 when
wrapping functions with default arguments, this time when using kwargs.
Version 3.0.4 (14 Jan 2015)
===========================
2015-01-12: olly
[PHP] Fix segfault in director upcall check when using PHP built with
ZTS enabled. Fixes #155, reported by Pierre Labastie.
2015-01-12: vadz
[Python] Fix #294 #296 - Regression introduced in SWIG-3.0.3 when
wrapping functions with default arguments. Invalid or missing default
arguments were sometimes being generated into the python layer.
2015-01-08: olly
Allow C++11 "explicit constexpr". Fixes github issue #284 reported
by Pawel Tomulik. Also handle "constexpr explicit" and "constexpr
static".
2015-01-08: olly
When reporting an error for a construct which hasn't been
terminated when the end of the file is reached, report it at the
start line rather than "EOF" as then tools like editors and IDEs
will take you to a generally more useful place for fixing the
problem.
2015-01-08: olly
Improve error messages for a few cases which previously gave the
one of the cryptic catch-all errors "Syntax error in input".
2015-01-08: olly
Provide -cppext as a general command line option for setting the
extension used for generated C++ files (previously it was specific
to the PHP backend). Deprecate the equivalent -suffix option
provided by the Ocaml backend, but continue to support that for
now.
Version 3.0.3 (30 Dec 2014)
===========================
2014-12-27: wsfulton
Fix #280 - abort using all default template parameters within other template
parameters.
2014-12-27: talby
[Perl] Issue #282 perl5 archlib vs archlibexp
[Perl] tidy "warning: duplicate 'extern' declaration specifier" when building generated code
under clang
2014-12-18: wsfulton
Add support for %constant and structs/classes - issue #272
2014-12-09: wsfulton
Fix #245 - regression (since swig-3.0.0) in templated constructors.
Templated constructors could not be instantiated - they were incorrectly ignored with a warning 504:
"Function: xyz must have a return type. Ignored."
2014-12-07: wsfulton
Add support for C++11 strongly typed enumerations.
2014-11-21: wsfulton
[Java C#] Fix multiply defined error when using %rename of enum items when using the "simple enum"
wrappers.
2014-10-28: vadz
[Python] Patch #201 The generated .py file no longer uses *args for all Python parameters.
Instead, the parameters are named using the C++ parameter names.
"compactdefaultargs" feature can be enabled to restore the old behaviour.
*** POTENTIAL INCOMPATIBILITY ***
2014-10-24: timotheecour
[D] Patch #204 Use core.atomic.atomicOp to mutate shared variables
2014-10-21: wsfulton
Fix issue #242 - Use of the "kwargs" feature no longer automatically turns on the
"compactdefaultargs" feature if the target language does not support kwargs.
Only Java and Python support kwargs, so this affects all the other languages.
*** POTENTIAL INCOMPATIBILITY ***
2014-10-10: diorcety
[Python] Patch #232 Fix property access using directors
2014-10-06: wsfulton
[Python] Fixes when using -builtin and std::vector/std::list wrappers to allow deletion
of single elements, such as 'del vec[0]'.
2014-09-30: oliverb
[Javascript] Merge patch #216 by Richie765 - Added support for many versions of v8 javascript.
2014-09-30: oliverb
[Javascript] Merge patch #195 by zittix - Fixed JSClassRef declaration not using the static one.
2014-09-30: ianlancetaylor
[Go] In configure script, require Go 1.1 or later.
2014-09-30: wsfulton
[Python] Patch #207 - Fix No module error with -relativeimport when using single
header file import.
2014-09-27: wsfulton
Patch #208 - Initialise newly created array when using array_functions in the
carrays.i library (C++ usage).
2014-09-27: wsfulton
[Ruby] Patch #187 - Fix crash on shutdown of the Ruby interpreter if more than one
module was loaded at a time when data is being shared between modules.
2014-09-27: wsfulton
[Java] Patch #168 - Fix leak in Java director string handling after the Java
upcall when called from a native thread.
2014-09-25: ianlancetaylor
[Go] Adjust generated code to work with upcoming Go 1.4
release.
2014-09-23: wsfulton
[Python] Add patch from Thomas Maslach to fix crash in wrappers when using -threads in
the STL iterators (SwigPyIterator destructor).
2014-09-17: wsfulton
[C#] Merge patch #229 from contre - Add bool array types to arrays_csharp.i
2014-09-12: olly
[PHP] Add support for specifying any PHP interfaces a wrapped class
implements, e.g.: %typemap("phpinterfaces") MyIterator "Iterator";
2014-09-11: olly
[PHP] Fix throwing a PHP exception through C++ from a subclassed
director method - PHP NULL gets returned by the subclassed method
in this case, so the directorout typemap needs to allow that (at
least if an exception is active).
2014-09-09: ianlancetaylor
[Go] Add goargout typemap.
2014-09-09: olly
[PHP] Fix segmentation faults with directors in PHP >= 5.4, and
reenable runme tests for director_basic testcase. Fix from
pavel-charvat in issue#164.
2014-09-05: ianlancetaylor
[Go] Add imtype, goin, goout, godirectorin, and
godirectorout typemaps, to support writing Go code to
convert between types.
2014-09-02: olly
[Python] Fix regression in indentation of python code produced with
-modern, introduced by changes in #188. Reported by fabiencastan
in #218.
2014-09-01: olly
Issue an error for unknown SWIG preprocessor directives, rather
than quietly ignoring them. Reported by jrhelsey in issue#217.
*** POTENTIAL INCOMPATIBILITY ***
2014-08-15: talby
[Perl] Include guard fix for nested modules from Anthony Heading (SF Patch #350).
2014-08-04: wsfulton
[C#] Merge patch #200 from gpetrou - Changed CSharp license header to include auto-generated
tag so that StyleCop ignores the files.
2014-08-04: wsfulton
[Java] Merge patch #198 from Yuval Kashtan - Support for java.nio.ByteBuffer mapping to
unsigned char * in various.i in NIOBUFFER typemaps.
2014-07-14: ianlancetaylor
[Go] Change struct definition to use void *, not uint8, so
that the type is recorded as possibly containing
pointers. This ensures that the 1.3 garbage collector
does not collect pointers passed to C++ code.
2014-07-01: wsfulton
Fix SF Bug #1375 - Expansion of the $parentclassname special variable incorrectly contains
brackets in the expanded name.
Version 3.0.2 (4 Jun 2014)
==========================
2014-06-02: v-for-vandal
[Lua] Pull request #176:
If class has no __eq implemented, then default __eq is generated.
Default __eq compares actual pointers stored inside Lua userdata.
2014-06-02: vkalinin
Fix #183 - %extend and unnamed nested structs
2014-05-28: kwwette
Fix install failure when using an 'out of source' build using the shipped
tarball - regression introduced in swig-3.0.1.
2014-05-24: kwwette
[Octave] Remove deprecated -global/-noglobal command-line arguments
*** POTENTIAL INCOMPATIBILITY ***
Version 3.0.1 (27 May 2014)
===========================
2014-05-25: hfalcic
[Python] Python 3 byte string output: use errors="surrogateescape"
if available on the version of Python that's in use. This allows
obtaining the original byte string (and potentially trying a fallback
encoding) if the bytes can't be decoded as UTF-8.
Previously, a UnicodeDecodeError would be raised with no way to treat
the data as bytes or try another codec.
2014-05-18: vkalinin
Bug #175 - Restore %extend to work for unnamed nested structures by using a C
symbol comprising the outer structure name and unnamed variable instance name.
2014-05-15: kwwette
Add #166 - 'make check' now works out of source. This required the examples to build
out of source. The main languages have been tested - C#, Go, Guile, Java, Javascript,
Lua, Octave, Perl, PHP, Python, Ruby and Tcl.
2014-05-01: Oliver Buchtala
Javascript support added, see Javascript chapter in the documentation.
2014-05-01: olly
[PHP] The generated __isset() method now returns true for read-only properties.
2014-04-24: kwwette
[Go] Fix go ./configure parsing of gccgo --version, and
goruntime.swg typo in __GNUC_PATCHLEVEL__ (SF Bug #1298)
2014-04-24: kwwette
Fix {python|perl5|ruby|tcl}/java examples
In Lib/gcj/cni.i, for compatibility with newer gcj versions:
- remove JvAllocObject() which gcj no longer defines, from gcj Changelog:
2004-04-16 Bryce McKinlay <[email protected]>
* gcj/cni.h (JvAllocObject): Remove these obsolete,
undocumented CNI calls.
- change JvCreateJavaVM() argument from void* to JvVMInitArgs*, from gcj Changelog:
2005-02-23 Thomas Fitzsimmons <[email protected]>
PR libgcj/16923
...
(JvCreateJavaVM): Declare vm_args as JvVMInitArgs* rather than void*.
*** POTENTIAL INCOMPATIBILITY ***
2014-04-08: wsfulton
SF Bug #1366 - Remove duplicate declarations of strtoimax and strtoumax in inttypes.i
2014-04-08: wsfulton
[Java C#] Enums which have been ignored via %ignore and are subsequently
used are handled slightly differently. Type wrapper classes are now generated
which are effectively a wrapper of an empty enum. Previously in Java uncompilable
code was generated and in C# an int was used.
2014-04-04: wsfulton
Fix regression in 3.0.0 where legal code following an operator<< definition might
give a syntax error. SF Bug #1365.
2014-04-03: olly
[PHP] Fix wrapping director constructors with default parameters
with a ZTS-enabled build of PHP.
2014-04-02: olly
[PHP] Pass the ZTS context we already have to avoid needing to
call TSRMLS_FETCH, which is relatively expensive.
2014-04-02: olly
[PHP] Pass ZTS context through to t_output_helper() so it works
with a ZTS-enabled build of PHP. Reported by Pierre Labastie in
github PR#155.
2014-03-28: wsfulton
[Java C# D Go] Fixes for C enums used in an API and the definition of the enum
has not been parsed. For D, this fixes a segfault in SWIG. The other languages
now produce code that compiles, although the definition of the enum is needed
in order to use the enum properly from the target language.
2014-03-23: v-for-vandal
[Lua] Fix for usage of snprintf in Lua runtime which Visual Studio does not have.
Version 3.0.0 (16 Mar 2014)
===========================
2014-03-16: wsfulton
C++11 support initially developed as C++0x support by Matevz Jekovec as a Google Summer of Code
project has been further extended. The C++11 support is comprehensive, but by no means complete
or without limitations. Full details for each new feature in C++11 is covered in the
CPlusPlus11.html chapter in the documentation which is included in SWIG and also available
online at http://www.swig.org/Doc3.0/CPlusPlus11.html.
2014-03-14: v-for-vandal
[Lua] Numerous Lua improvements:
1. %nspace support has been added. Namespaces are mapped to tables in the module, with the same
name as the C++ namespace.
2. Inheritance is now handled differently. Each class metatable keeps a list of class bases instead
of merging all members of all bases into the derived class.
3. The new metatables result in differences in accessing class members. For example:
%module example
struct Test {
enum { TEST1 = 10, TEST2 = 20 };
static const int ICONST = 12;
};
Now this can be used as follows:
print(example.Test.TEST1)
print(example.Test.ICONST)
The old way was:
print(example.Test_TEST1)
print(example.Test_ICONST)
4. The special class metatable member ".constructor" was removed. Now SWIG generates the proxy
function by itself and assigns it directly to the class table "__call" method.
5. eLua should also now support inheritance.
6. 'const' subtable in eLua is considered deprecated.
Changes in behaviour:
a. You can no longer assign to non-existing class members in classes without a __setitem__ method.
It will cause a Lua error.
b. You can no longer iterate over a module table and copy everything into the global namespace.
Actually, this was never the case, but it is now explicitly prohibited.
c. Now changing a base class will immediately affect all derived classes.
d. There might be some issues with inheritance. Although the bases iteration scheme is the same
as was used for merging base classes into derived one, some unknown issues may arise.
The old metatable behaviour can be restored by using the -no-old-metatable-bindings option.
*** POTENTIAL INCOMPATIBILITY ***
2014-03-06: wsfulton
[Python] Change in default behaviour wrapping C++ bool. Only a Python True or False
will now work for C++ bool parameters. This fixes overloading bool with other types.
Python 2.3 minimum is now required for wrapping bool.
When wrapping:
const char* overloaded(bool value) { return "bool"; }
const char* overloaded(int value) { return "int"; }
Previous behaviour:
>>> overloaded(False)
'int'
>>> overloaded(True)
'int'
>>> overloaded(0)
'int'
Now we get the expected behaviour:
>>> overloaded(False)
'bool'
>>> overloaded(0)
'int'
The consequence is when wrapping bool in non-overloaded functions:
const char* boolfunction(bool value) { return value ? "true" : "false"; }
The previous behaviour was very Pythonic:
>>> boolfunction("")
'false'
>>> boolfunction("hi")
'true'
>>> boolfunction(12.34)
'true'
>>> boolfunction(0)
'false'
>>> boolfunction(1)
'true'
Now the new behaviour more along the lines of C++ due to stricter type checking. The
above calls result in an exception and need to be explicitly converted into a bool as
follows:
>>> boolfunction(0)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: in method 'boolfunction', argument 1 of type 'bool'
>>> boolfunction(bool(0))
'false'
The old behaviour can be resurrected by passing the -DSWIG_PYTHON_LEGACY_BOOL command line
parameter when executing SWIG. Typemaps can of course be written to customise the behaviour
for specific parameters.
*** POTENTIAL INCOMPATIBILITY ***
2014-03-06: wsfulton
Fix SF Bug #1363 - Problem with method overloading when some methods are added by %extend
and others are real methods and using template default parameters with smart pointers.
This is noticeable as a regression since 2.0.12 when using the default smart pointer
handling for some languages when the smart pointer wraps std::map and other STL containers.
2014-03-02: wsfulton
[Python] SF Patch #346 from Jens Krueger. Correct exception thrown attempting to
access a non-existent C/C++ global variable on the 'cvar' object. The exception thrown
used to be a NameError. However, as this access is via a primary, an AttributeError
is more correct and so the exception thrown now is an AttributeError. Reference:
http://docs.python.org/2/reference/expressions.html#attribute-references
*** POTENTIAL INCOMPATIBILITY ***
2014-03-01: wsfulton
[Python] Patch #143 Fix type shown when using type() to include the module and package
name when using -builtin.
2014-03-01: wsfulton
[Python] SF patch #347 Fix missing argument count checking with -modern.
Fixes regression introduced when builtin changes were introduced in SWIG-2.0.3.
2014-02-21: wsfulton
[PHP] Fix warning suppression using %warnfilter for PHP reserved class names.
2014-02-19: olly
[Lua] Add keyword warnings for Lua keywords and Basic Functions.
2014-02-19: olly
-Wallkw now includes keywords for all languages with keyword
warnings (previously Go and R were missing).
2014-02-19: olly
[PHP] Update the lists of PHP keywords with new ones from PHP 5.4
and newer (and some missing ones from 5.3). Reserved PHP constants
names are now checked against enum values and constants, instead
of against function and method names. Built-in PHP function names
no longer match methods added by %extend. Functions and methods
named '__sleep', '__wakeup', 'not', 'parent', or 'virtual' are no
longer needlessly renamed.
2014-02-15: wsfulton
Fix the %$ismember %rename predicates to also apply to members added via %extend.
Add %$isextendmember for %rename of members added via %extend. This can be used to
distinguish between normal class/struct members and %extend members. For example
'%$ismember, %$not %$isextendmember' will now identify just class/struct members.
*** POTENTIAL INCOMPATIBILITY ***
2014-02-16: hfalcic
[Python] Patch #137 - fix crashes/exceptions in exception handling in Python 3.3
2014-02-15: wsfulton
[Java] Add support for the cdata library.
2014-02-08: vkalinin
Nested class support added. This primarily allows SWIG to properly parse nested
classes and keep the nested class information in the parse tree. Java and C#
have utilised this information wrapping the C++ nested classes as Java/C#
nested classes. The remaining target languages ignore nested classes as in
previous versions. Help is needed by users of these remaining languages to
design how C++ nested classes can be best wrapped. Please talk to us on the
swig-devel mailing list if you think you can help.
Previously, there was limited nested class support. Nested classes were treated
as opaque pointers. However, the "nestedworkaround" feature provided a way to
wrap a nested class as if it was a global class. This feature no longer exists
and is replaced by the new "flatnested" feature. This effectively does the same
thing with less manual code to be written. Please see the 'Nested classes'
section in the documentation in SWIGPlus.html if you were previously using this
feature.
SWIG now parses the contents of nested classes where previously it did not. You
may find that you will need to make adjustments to your interface file as
effectively extra code is being wrapped.
*** POTENTIAL INCOMPATIBILITY ***
2014-02-06: gjanssens
[Guile] Patch #133. Make scm to string conversion work with non-ascii strings.
Guile 2 has a completely rewritten string implementation. SWIG made some assumptions
that are no longer valid as to the internals of guile's string representation.
2014-01-30: wsfulton
[C#] Add new swigtype_inout.i library containing SWIGTYPE *& OUTPUT typemaps.
Example usage wrapping:
void f(XXX *& x) { x = new XXX(111); }
would be:
XXX x = null;
f(out x);
// use x
x.Dispose(); // manually clear memory or otherwise leave out and leave it to the garbage collector
2014-01-21: ianlancetaylor
[Go] Add %go_import directive.
2014-01-21: ianlancetaylor
[Go] Add support for Go 1.3, not yet released.
2014-01-20: wsfulton
Director exceptions (Swig::DirectorException) now derive from std::exception
and hence provide the what() method. In Python and Ruby, this replaces the now
deprecated DirectorException::getMessage() method.
2014-01-14: diorcety
Patch #112 - Fix symbol resolution involving scopes that have multiple levels
of typedefs - fixes some template resolutions as well as some typemap searches.
2014-01-11: wsfulton
Fix and document the naturalvar feature override behaviour - the naturalvar
feature attached to a variable name has precedence over the naturalvar
feature attached to the variable's type. The overriding was not working
when turning the feature off on the variable's name.
Fix so that any use of the naturalvar feature will override the global
setting. Previously when set globally by -naturalvar or %module(naturalvar=1),
use of the naturalvar feature was not always honoured.
2014-01-06: ianlancetaylor
[Go] Fix bug that broke using directors from a thread not
created by Go.
2013-12-24: ptomulik
[Python] SF Bug #1297
Resolve several issues related to python imports.
For example, it's now possible to import modules having the same module
names, but belonging in different packages.
From the user's viewpoint, this patch gives a little bit more control on
import statements generated by SWIG. The user may choose to use relative
or absolute imports.
Some details:
- we (still) generate import statements in the form 'import a.b.c' which
corresponds to absolute imports in python3 and (the only available)
ambiguous one in python2.
- added -relativeimport option to use explicit relative import syntax
(python3),
The "Python Packages" section in the documentation discusses how to work
with importing packages including the new -relativeimport command line option.
2013-12-23: vadz
[Octave, Perl, Python, R, Ruby, Tcl] Change the length of strings created from fixed-size char
buffers in C code.
This is a potential backwards compatibility break: a "char buf[5]" containing "ho\0la" was
returned as a string of length 5 before, but is returned as a string of length 2 now. Also,
it was possible to assign a (non-NUL-terminated) string "hello" to such a buffer before but
now this fails and only "helo" can fit.
Apply "char FIXSIZE[ANY]" typemaps to explicitly choose the old behaviour.
*** POTENTIAL INCOMPATIBILITY ***
2013-12-23: talby
[Perl] Add support for directors.
2013-12-18: ianlancetaylor
[Go] Don't require that Go environment variables be set
when running examples or testsuite when using Go 1 or
later.
2013-12-17: ianlancetaylor
[Go] Remove -longsize option (for backward compatibility,
ignore it if seen).
2013-12-17: ianlancetaylor
[Go] Add -go-pkgpath option.
2013-12-16: ianlancetaylor
[Go] Update for Go 1.2 release. Add support for linking
SWIG code directly into executable, rather than using a
shared library.
2013-12-13: ianlancetaylor
[Go] Add SWIG source file name as comments in generated
files. This can be used by Go documentation tools.
2013-12-12: jleveque
[Lua] Fix typo (wchar instead of wchar_t) which made wchar.i
for Lua useless.
2013-12-12: vmiklos
[PHP] PHP's peculiar call-time pass-by-reference feature was
deprecated in PHP 5.3 and removed in PHP 5.4, so update the REF
typemaps in phppointers.i to specify pass-by-reference in the
function definition. Examples/php/pointer has been updated
accordingly.
2013-12-12: olly
[PHP] The usage of $input in PHP directorout typemaps has been
changed to be consistent with other languages. The typemaps
provided by SWIG have been updated accordingly, but if you
have written your own directorout typemaps, you'll need to
update $input to &$input (or make equivalent changes).
*** POTENTIAL INCOMPATIBILITY ***
2013-11-27: vadz
[C#, Java, Python] Add std_auto_ptr.i defining typemaps for returning std::auto_ptr<>.
2013-11-09: wsfulton
[C#] Apply patch #79 from Brant Kyser
- Remove using directives from the generated C# code and fully qualify the use of all .NET
framework types in order to minimize potential name collisions from input files defining
types, namespace, etc with the same name as .NET framework members.
- Globally qualify the use of .NET framework types in the System namespace
- Remove .NET 1.1 support, .NET 2 is the minimum for the C# module
This is a potential backwards compatibility break if code has been added relying on these using
statements that used to be generated:
using System;
using System.Runtime.InteropServices;
The quick fix to add these back in is to add the -DSWIG2_CSHARP command line option when
executing SWIG. See CSharp.html documentation for more info.
*** POTENTIAL INCOMPATIBILITY ***
2013-11-05: wsfulton
[Java] Fix some corner cases for the $packagepath/$javaclassname special variable substitution.
2013-11-05: wsfulton
[Java] Apply patch #91 from Marvin Greenberg - Add director:except feature for improved
exception handling in director methods for Java.
2013-10-15: vadz
Allow using \l, \L, \u, \U and \E in the substitution part of %(regex:/pattern/subst/)
inside %rename to change the case of the text being replaced.
2013-10-12: wsfulton
[CFFI] Apply #96 - superclass not lispify
2013-10-12: wsfulton
Merge in C++11 support from the gsoc2009-matevz branch where Matevz Jekovec first
started the C++0x additions. Documentation of the C++11 features supported is in a
new Chapter of the documentation, "SWIG and C++11" in Doc/Manual/CPlusPlus11.html.
2013-10-04: wsfulton
Fix %naturalvar not having any affect on templated classes instantiated with an
enum as the template parameter type. Problem reported by Vadim Zeitlin.
2013-09-20: wsfulton
[Java] Fix a memory leak for the java char **STRING_ARRAY typemaps.
Version 2.0.12 (9 Feb 2014)
===========================
2014-01-16: wsfulton