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swig/CHANGES.current
Marcelo Matus 833b2f7f0a detecting polymorphic virtual methods properly 
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5511 626c5289-ae23-0410-ae9c-e8d60b6d4f22
2003-12-09 10:36:15 +00:00

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Version 1.3.20 (In progress)
============================
12/08/2003: mmatus (Marcelo Matus)
The virtual method detections now properly
treats the following cases:
namespace foo { typedef int Int; }
struct A {};
typedef A B;
struct Foo {
virtual ~Foo() {}
virtual Foo* cloner() = 0;
virtual int get_value() = 0;
virtual A* get_class() = 0;
virtual void just_do_it() = 0;
};
struct Bar : Foo
{
Bar* cloner();
foo::Int get_value();
B* get_class();
void just_do_it();
};
All the Foo and Bar methods are virtual. A new attribute
"virtual:type" record the base polymorphic type. In the
previous cases we have:
type : Bar virtual:type : Foo
type : foo::Int virtual:type : int
type : B virtual:type : A
type : void virtual:type : void
This attribute is useful in languages (java+directors)
that could have problems redefining Bar* Bar::cloner().
If you never had code like the above, you will see no
effects. But if you have some code like that, you
will see some effects since some methods that
before were not properly treated as virtual,
will start to act like that. This could enlarge
your director classes.
12/08/2003: mmatus (Marcelo Matus)
The director protected member support (dirprot)
is disabled by default.
It can be enable by using '-dirprot' or by adding
the option to the module declaration, like:
%module(directors="1",dirprot="1") my_module
This module option was added to properly compile the
director_protected.i and director_nested.i examples.
The feature has been tested with python[2.2,2.3]
and ruby[1.6.7], both at compilation and runtime, and
java[j2sdk1.4.1_01], but only at compilation (my java
installation doesn't run any of the director examples,
olds nor news).
Please test for ocaml and java.
The errors reported by William and Scott were fixed,
except for a warning about SWIG_JavaThrowExecption()
multiply defined. I can't reproduce this error with my
examples. We will wait for Scott to send us a minimal
case.
12/07/2003: mmatus (Marcelo Matus)
The director protected member support has been
completly moved out from python.cxx, and now
resides in the common lang.cxx, emit.cxx and
allocate.cxx files.
This means it should work for all the other languages
that currently support directors, ie, python, java, ocalm
and ruby.
The change has been tested with python (compilation+runtime)
and java (just compilation).
Please add runtime tests for the missing languages
and test it.
The '-nodirprot' option was moved to the principal main,
and can be used from all the languages.
12/07/2003: cheetah (William Fulton)
[Java] Fixed and improved error checking of STRING_OUT typemaps in
various.i.
12/04/2003: mmatus (Marcelo Matus)
- Now the virtual members with no explicit declarator
are properly identified:
struct A {
virtual int f() = 0;
};
struct B : A {
int f();
};
Here, B::f() is virtual, and the director and the
virtual elimination mechanism now recognize that.
- [C#] This fix also fixes the problem where 'override' was not being
used on any overridden virtual method, so for struct B above,
this C# code is generated:
public class B : A {
...
public override int f() {
...
}
...
}
- Initial support for protected virtual methods. They are now
properly emitted when using with director (python only by
now).
%feature("director") A;
struct A {
protected:
virtual int f1() = 0;
};
%feature("director") B;
struct B : A{
protected:
int f1();
virtual f2();
};
This can be dissabled by using the '-nodirprot' option.
- The feature 'nodirector' is working now at the top level,
so, it must work for all the languages:
%feature("director") A;
%feature("nodirector") A::f2;
struct A {
virtual int f1();
virtual int f2();
};
in this case, only 'f1' is exported to the director class.
- Added director support for const TYPE& arguments (python).
12/02/2003: cheetah (William Fulton)
[Java] Fix for INOUT and OUTPUT typemaps in typemaps.i for when the JNI type
is bigger than the C type. For example, unsigned long (32bits on most systems)
is mapped to jlong (64bits). Returned value was incorrect. Bug reported by
Brian Hawley.
12/02/2003: cheetah (William Fulton)
[C# and Java] Better fix for entry dated 05/11/2003. Fixes the following
typemaps:
Java: javabase, javainterfaces, javaimports, javaclassmodifiers,
javaptrconstructormodifiers, javafinalize, javagetcptr & javacode.
C#: csbase, csinterfaces, csimports, csclassmodifiers,
csptrconstructormodifiers, csfinalize, csgetcptr & cscode.
It also fixes bug in using arrays of C structs with arrays_java.i
as reported Scott Michel.
12/02/2003: beazley
[Perl] Fixed [ 852119 ] recursive inheritance in output .pm, perl5.
Reported by William Dowling.
12/02/2003: beazley
[Tcl] Fixed [ 755382 ] calling func(const vector<T>& p) evaluates p[0] in interp.
The Tcl type checker was improperly handling the interpreter result when
type violations were supposed to be ignored.
Reported by Flaviu Popp-Nowak.
11/30/2003: cheetah (William Fulton)
Fixed [ 545058 ] configure's --with-tclincl has no effect
11/30/2003: cheetah (William Fulton)
[Java] Fixed [ 766409 ] missing symbol SWIG_JavaThrowException during module load
SWIGs internal functions are all static as there is no need for different SWIG
generated modules to share any code at runtime.
11/30/2003: beazley
[Tcl] Added support for C++ pointers to members.
11/28/2003: cheetah (William Fulton)
Fixed [ 848335 ] Directors: #include wrapper .h file - was incorrectly
adding a directory to the generated #include "foo_wrap.h" statement
in some situations.
11/28/2003: cheetah (William Fulton)
[Java] Fixed [ 849064 ] JAVA : Access modifier for derived class wrong.
The delete() method is always public now. It used to be protected whenever a
destructor was non public. An UnsupportedOperationException runtime
exception is thrown instead of making delete() protected now.
11/28/2003: beazley
[Perl5] Added support for C++ pointers to members.
11/28/2003: beazley
Fixed [ 850151 ] PYVERSION with python2.3 in configure of SWIG 1.3.19 (Maybe).
11/28/2003: beazley
Fixed [ 850666 ] #include extra line added.
This should fix some problems with getting correct line numbers on
error messages.
11/26/2003: beazley
Fixed another one of Marcelo's evil template bugs (infinite
recursion). [ 849504 ] template and typedef -> inf. recursion.
11/26/2003: beazley
Fixed parsing problem with declarations like this:
int *x = &somearray[0];
11/25/2003: beazley
Fixed [ 756552 ] missing default argument class scope with "|".
This is really only a band-aid fix for use of class-enums in
expressions. For example:
class A {
public:
enum Flag { flag1 = 0x1, flag2 = 0x2 };
void foo(int x = flag1 | flag2);
};
Note: there are still some (more subtle) cases that are broken,
but hard to fix due to an issue with template expansion. Will
address later.
Reported by Dmitry Mironov.
11/25/2003: beazley
Incorporated [ 840878 ] support for %inline { ... } (PATCH).
This adds support for the following:
%inline {
... some code ...
}
The difference between this and %inline %{ ... %} is that the
enclosed text is processed by the SWIG preprocessor. This
allows special macros and other processing to be used in
conjunction with %inline.
Contributed by Salvador Fandino Garcia.
11/25/2003: beazley
Fixed [ 836903 ] C++ inconsistency (with void arguments).
SWIG was having difficulty with f() vs f(void) in C++ programs.
For instance:
class A {
public:
virtual void f(void) = 0;
};
class B {
public:
virtual void f(); // Not matched to f(void) correctly
};
The parser now normalizes all declarations of the form f(void)
in C++ classes to f(). This should fix a variety of subtle
problems with inheritance, optimizations, overloading, etc.
Problem reported by Partho Bhowmick.
11/25/2003: beazley
[Perl5] Incorporated [ 841074 ] better croaking (PATCH). This fixes some problems
with strings and provides some new error functions.
Contributed by Salvador Fandino Garcia.
11/25/2003: beazley
Fixed [ 791835 ] Default argument with cast: txt = (char *)"txt" syntax Error.
The parser should now accept things like this:
void foo(char *s = (char *) "Hello");
Problem reported by Claudius Schnorr.
11/24/2003: beazley
[Tcl] Fixed problem with cross module linking. Previously modules referred
to base classes through a global variable. Now, the module looks up base
classes through the type system itself---avoiding the need to link to a global
like before. Caveat: modules with base classes must be loaded before
modules with derived classes.
11/24/2003: mkoeppe (Matthias Koeppe)
[Guile] In -scm mode, use () to represent null pointers,
as it is done in -gh mode.
11/23/2003: mkoeppe (Matthias Koeppe)
Add a generated script "preinst-swig", which can be used
to invoke SWIG before it has been installed. It arranges
that the runtime libraries from the source directory are
used.
11/23/2003: mkoeppe (Matthias Koeppe)
[Guile] In -gh mode, don't forget to call SWIG_Guile_Init.
Add a SWIG_contract_assert macro.
11/23/2003: mkoeppe (Matthias Koeppe)
[MzScheme] Update the configure check for the dynext object to work
with MzScheme 205.
11/20/2003: mmatus
Fixed the include/import error reported by Kerim Borchaev,
where two files with names like
'dir1/hello.i'
'dir2/hello.i'
can not be include at the same time. Swig was including
just the first one, assuming the second one was not a
different one, since it was checking/keeping just the
basename 'hello.i'.
11/19/2003: beazley
Changes to the SWIG runtime library support.
- The -c command line option has been renamed to -noruntime
- New command line option: -runtime. When supplied, this
inserts the symbol SWIG_GLOBAL into the wrapper code. This,
in turn, makes all of the runtime support functions globally
visible.
- New library file: swigrun.i. Used to create modules
for runtime library (if needed).
11/18/2003: cheetah (William Fulton)
'make srcrpm' rpmbuild fix - patch from Joe Cooper
11/18/2003: mkoeppe (Matthias Koeppe)
[Guile] Change meaning of configure option --with-guile to
the name of the Guile executable. The new option --with-guile-prefix
can be used to specify the tree where Guile is
installed. (However, usually it suffices to use the
single option --with-guile-config.)
When running the run tests test-suite, make sure to use the
version of Guile that SWIG was configured for.
11/17/2003: mkoeppe (Matthias Koeppe)
[Guile] Improvements to object-ownership management in
"-scm" mode. (They do not apply to the default "-gh" mode.)
* Renamed the smob type that indicates that the object can
be garbage collected from "collected swig" to "collectable
swig", which is more precise.
* Export the destructor functions again. It is now
allowed to explicitly call destructors, even for
garbage-collected pointer objects. A pointer object
that has been passed to a destructor is marked in a
special way using a new smob type, "destroyed swig".
(This helps avoid nasty memory bugs, where references to
dead C objects are still held in Scheme. Moreover, the
garbage collector will not try to free a destroyed
object once more.)
* Destructor-like functions can also mark their arguments
as destroyed by applying the typemap SWIGTYPE *DESTROYED.
(It calls the function SWIG_Guile_MarkPointerDestroyed.)
* Functions that "consume" their objects (or that "own"
them after the call) can mark their arguments as
not garbage collectable. This can be done by applying
the typemap SWIGTYPE *CONSUMED. (It calls the function
SWIG_Guile_MarkPointerNoncollectable.)
* The macro TYPEMAP_POINTER_INPUT_OUTPUT from library
pointer-in-out.i creates additional typemaps
PTRTYPE *INPUT_CONSUMED, PTRTYPE *INPUT_DESTROYED.
They mark the passed pointer object likewise.
The typemap PTRTYPE *OUTPUT creates a garbage-collectable
pointer object, like %newobject does for a returned
pointer. Use the new typemap PTRTYPE *OUTPUT_NONCOLLECTABLE
to create a pointer object that will not be garbage collected.
11/17/2003: mkoeppe (Matthias Koeppe)
[Guile] Handle $input in "freearg" typemaps.
Never qualify GOOPS slot names with the class name.
Handle optional arguments properly in the GOOPS methods.
11/16/2003: cheetah (William Fulton)
Fixes for installation to work with the upcoming Automake-1.8.
mkinstalldirs was being used by a non-Automake makefile.
mkinstalldirs is being phased out and so was not being
created by Automake. install-sh used instead.
11/16/2003: cheetah (William Fulton)
[Java] Numerous director improvements, tweaks and bug fixes since
the initial implementation have been contributed by Scott Michel.
11/12/2003: beazley
[Python] When %feature("shadow") is used to add code to shadow
classes, the special variable $action expands to the name of the
underlying wrapper function that would have been called normally.
11/12/2003: beazley
[Python] When generating proxy class code, SWIG emits a few
default methods for __repr__() and other Python special
methods. Some of these methods are emitted after all of the
contents of a class. However, this makes it hard to override
the methods using %pythoncode and some other directives that
allow code to be inserted into a class. These special methods
are now emitted into the code *before* all of the other methods.
Suggested by Eric Jones.
11/11/2003: beazley
Preprocessor enhancement. For include statements like this:
%include "foo/bar.i"
the directory "foo" is now added to the search path while
processing the contents of bar.i. Thus, if bar.i includes other
files in the same directory, they will be found. Previously,
you would have to add additional directories using -I to make this
work correctly. Note: the C preprocessor seems to behave in
an identical manner on many (most? all?) systems.
Suggested by Kerim Borchaev.
11/11/2003: beazley
Configuration changes to make SWIG work on Mac OSX 10.3.x (Panther).
Tested with Python, Tcl, Perl, and Ruby---all of which seem to work.
11/08/2003: cheetah (William Fulton)
[Java] Fixed the typemaps in various.i which were mostly broken.
char **STRING_IN and char **STRING_RET typemaps replaced with
STRING_ARRAY. float *FLOAT_ARRAY_RETURN typemap removed.
11/08/2003: beazley
[Tcl] Tcl module now emits a safe module initialization function by
default. It can be removed by running 'swig -nosafe'.
11/04/2003: mkoeppe (Matthias Koeppe)
[Guile] Only use the SCM_ API when the function
`scm_slot_exists_p' exists (needed for GOOPS support).
This function was renamed during the Guile 1.5 series
from `scm_slots_exists_p'.
Report the right runtime library when invoked with
-scm -ldflags.
11/03/2003: mkoeppe (Matthias Koeppe)
[Chicken] Fix #782052. The --with-chickencfg configure
option (and others) were not accepted.
11/02/2003: mkoeppe (Matthias Koeppe)
[Guile] Merge new set of GOOPS changes by John Lenz.
GOOPS objects are now manipulated directly by the C code.
Some fixes to typemap-GOOPS interaction.
11/02/2003: mkoeppe (Matthias Koeppe)
[Guile] Remove the file argument to -scmstub and -goops.
The Scheme files are now always called MODULE.scm or
MODULE-primitive.scm, where MODULE is the module name and
"primitive" can be changed by the -primsuffix option.
The Scheme files are now placed in the directory given by
the -outdir option, or the current directory.
(Patch by John Lenz, slightly modified.)
*** INCOMPATIBILITY [Guile] ***
11/02/2003: mkoeppe (Matthias Koeppe)
Unify the pointer-conversion runtime API. The standard
functions are:
* SWIG_NewPointerObj (POINTER, TYPE, FLAGS)
-- Create an scripting object that represents a typed
pointer. FLAGS are language specific.
* SWIG_ConvertPtr (INPUT, RESULT, TYPE, FLAGS)
-- Get a pointer from the scripting object INPUT and
store it in the place RESULT. When a type mismatch
occurs, return nonzero.
* SWIG_MustGetPtr (INPUT, TYPE, ARGNUM, FLAGS)
-- Get a pointer from the scripting object INPUT and
return it. When a type mismatch occurs, throw an
exception. If ARGNUM > 0, report it as the
argument number that has the type mismatch.
[Guile]: No changes.
[MzScheme]: No changes.
[Perl]: Add the function SWIG_NewPointerObj.
The function SWIG_MakePtr is kept.
The function SWIG_MustGetPtr is currently not
supported.
[Python]: Add the function SWIG_MustGetPtr.
[Ruby]: Add the function SWIG_MustGetPtr.
[Tcl]: Remove the "interp" argument of
SWIG_NewInstanceObj, SWIG_ConvertPtr,
SWIG_ConvertPacked, and SWIG_ConvertPtrFromString.
The function SWIG_MustGetPtr is currently
not supported.
No changes to Pike because its pointer conversion code did
not look complete. No changes to PHP4, because I did not
understand its runtime code. No changes to Chicken
because major changes are expected soon anyway. No
changes to Java, OCaml, C# because they do not seem to
have a pointer-conversion runtime API.
*** INCOMPATIBILITY [Tcl] ***
11/02/2003: mkoeppe (Matthias Koeppe)
[Perl5, PHP4, Pike, Python, Ruby, Tcl]: Use the
preprocessor to rename external functions of the SWIG
runtime API to follow the naming convention
SWIG_<language>_<function>. This should allow linking
more than one interpreter into a program.
10/31/2003: cheetah (William Fulton)
[C#] Fix since introducing the exception and std::string delegates.
The fix overcomes linker errors when using more than one SWIG module.
Problem reported by Andreas Sch<63>rk.
10/31/2003: beazley
Incorporated patch: [ 823302 ] Incr Tcl support.
Contributed by Alexey Dyachenko.
Note: needs documentation.
10/31/2003: beazley
Incorporated patch: [ 829325 ] new Python Module options and features.
Robin Dunn writes:
This patch makes a number of changes to the SWIG python module.
1. Add -apply option, and change the default code
output to use the foo(*args, **kw) calling syntax
instead of using apply(). If the -apply option is
given then code is generated as before. This is very
similar to Patch #737281 but the new -modern option
makes the second half of that patch unnecessary so it
is not included here.
2. Add -new_repr option. This is the same as my Patch
#797002 which I will mark as closed since it is no
longer needed. When this new option is used then the
__repr__ methods that are generated for proxy classes
will be more informative and give details about the
python class and the C++ class.
3. Add %feature("addtofunc"). It allows you to insert
one or more lines of code inside the shadow method or
function that is already generated, instead of
replacing the whole thing like %feature("shadow") does.
For __init__ it goes at the end, for __del__ it goes
at the begining and for all others the code generated
is expanded out to be like
def Bar(*args, **kwargs):
val = _module.Foo_Bar(*args, **kwargs)
return val
and the "addtofunc" code is inserted just before the
return statement. If the feature is not used for a
particular method or function then the shorter code is
generated just like before.
4. A little bit of refactoring to make implementing
addtofunc a little easier.
5. Added a -modern command-line flag that will cause
SWIG to omit the cruft in the proxy modules that allows
it to work with versions of Python prior to 2.2. The
result is a simpler, cleaner and faster python proxy
module, but one that requires Python 2.2 or greater.
10/31/2003: beazley
Incorporated patch: [ 829319 ] XML module tweaks.
This adds a new command line option -xmllite that
greatly reduces the amount of emitted XML code by
eliminating some fields mostly used in SWIG's
internal processing. Contributed by Robin Dunn.
10/31/2003: beazley
Incorporated patch: [ 829317 ] Adds DohSplitLines function.
Contributed by Robin Dunn.
10/29/2003: beazley
Fixed [ 827907 ] argout objects not being wrapped properly (PATH).
Patch contributed by Salvador Fandi<64>o Garc<72>a.
10/29/2003: beazley
Fixed [ 826996 ] perl type checking ignores perl subclasses.
This enhancement makes it so wrapped classes and structs can
be subclassed in Perl and used normally.
Patch contributed by Salvador Fandi<64>o Garc<72>a.
10/16/2003: cheetah (William Fulton)
[C#] IntPtr marshalled with a void* instead of int in C function
declarations. The casts thus look more conventional, for example:
// old
DllExport double SWIGSTDCALL CSharp_get_Shape_x(int jarg1) {
...
Shape *arg1 = (Shape *) 0 ;
arg1 = *(Shape **)&jarg1;
...
}
// new
DllExport double SWIGSTDCALL CSharp_get_Shape_x(void * jarg1) {
...
Shape *arg1 = (Shape *) 0 ;
arg1 = (Shape *)jarg1;
...
}
10/14/2003: beazley
Fixed a subtle problem with overloaded methods and smart pointers.
If a class has overloaded methods like this:
class Foo {
public:
int bar(int x);
static int bar(int x, int y);
};
and the class is used as a smart pointer:
class FooPtr {
public:
Foo *operator->();
};
The SWIG would try to expose the static member Foo::bar
through FooPtr---resulting bogus wrapper code and a compiler
error.
Due to the way in which overloading is handled, it is
extremely difficult to eliminate the static method in
this case. Therefore, it is still exposed. However,
the generated code now compiles and works.
10/05/2003: mkoeppe (Matthias Koeppe)
[Guile, MzScheme, Chicken]: Remove symbol clashes between
the runtime libraries by renaming all extern common.swg
functions with the preprocessor.
10/05/2003: mkoeppe (Matthias Koeppe)
[Guile] Added basic GOOPS support, contributed by John Lenz.
See the documentation for details.
*** NEW FEATURE ***
10/04/2003: mkoeppe (Matthias Koeppe)
[Guile] New option, -only-setters, which disables
traditional getter and setter procedures for structure slots.
10/03/2003: mkoeppe (Matthias Koeppe)
[Guile] Added run test for reference_global_vars by John Lenz.
09/30/2003: beazley
Partial solution to [ 792180 ] C++ smart-pointer/namespace mixup revisited.
The problem is not easy to fix (at least it doesn't seem so), but is
related to the instantiation of qualified templates inside of other
namespaces. SWIG now generates an error message in this case rather
than generating broken wrappers.
09/30/2003: beazley
Fixed [ 800012 ] ENTER macro from CORE/scope.h clashes with libc search.h.
Reported by Britton Leo Kerin.
09/30/2003: beazley
Fixed [ 811518 ] Casting ints to doubles (w/ solution?)
Addresses a problem with overloading in the Perl module.
Reported by Gerald Dalley.
09/28/2003: mkoeppe
[Guile with -scm option] Fix typo in generated code for
procedures-with-setters. Reported by John Lenz.
09/26/2003: beazley
Fixed [ 812528 ] externs not correct when throw is in signature.
Reported by Joseph Winston.
09/23/2003: cheetah (William Fulton)
SWIG was generating a number of symbols that didn't comply with
the ISO C/C++ standard, in particular ISO/IEC 14882:1998(E) 17.4.3.1.2
where double underscores are forbidden as well as symbols starting with
an underscore followed by an upper case letter. Most of these have
been rooted out. See new section added to internals.html development
manual 'Symbol Naming Guidelines for Generated C/C++ Code'.
09/23/2003: cheetah (William Fulton)
Director typemap name changes:
inv => directorin
outv => directorout
argoutv => directorargout
*** POTENTIAL INCOMPATIBILITY ***
09/19/2003: mrose (Mark Rose)
[Python] Director constructors now default to __disown = 0,
which is the intended behavior and fixes the director_finalizer
test case under python.
09/12/2003: cheetah (William Fulton)
[C#] - Typemaps added for std::string and const std::string &.
- New delegate for creating a C# string given a char *. It
can be used by calling SWIG_csharp_string_callback as shown
in the std::string 'out' typemap. Useful if the return type is
mapped to a C# string and the calling function is responsible
for cleaning up memory as the C# garbage collector doesn't
free the memory created in C/C++ and then returned as a C# string.
- The exception delegates have moved into an inner class in the
intermediate class, thereby freeing up the static constructor.
09/11/2003: beazley
(Internals)
Major refactoring of iteration over lists and hashes. The
DOH library now uses iterators. They work like this:
List *l = (some list);
Iterator i;
for (i = First(l); i.item; i = Next(i)) {
// i.item contains the actual list item.
// i.item is NULL at end of list
...
}
Hash *h = (some hash);
Iterator j;
for (j = First(h); j.item; j = Next(j)) {
// j.item contains hash table item
// j.key contains hash table key
// Both j.item and j.key are NULL at end
...
}
The old iteration functions Firstitem(), Nextitem(), Firstkey(),
and Nextkey() are gone.
The new iterators are simpler, result in better memory use,
and may be faster. Also, there are no longer any problems
iterating over the same list/hash in multiple places at
the same time. For example, this is fine:
Iterator i,j;
for (i = First(l); i.item; i = Next(i)) {
for (j = First(l); j.item; j = Next(j)) {
...
}
}
(This never worked in previous versions).
*** POTENTIAL INCOMPATIBILITY ***. This will probably break
third party extensions to SWIG (or give them further encouragement
to join the SWIG CVS-tree :-).
09/10/2003: mkoeppe (Matthias Koeppe)
[Guile] Fix memory leaks in the "list-vector.i" typemaps.
09/09/2003: mkoeppe (Matthias Koeppe)
[Chicken] Use C_mk_bool rather than C_mkbool. This fixes
the wrapping of boolean values for Chicken 1.10 and newer.
Reported by Dave <hundo@yahoo.com> / Felix Winkelmann
<felix@proxima-mt.de>.
09/05/2003: cheetah (William Fulton)
[Java] Directors implemented for Java. In summary this is a big new feature
which supports upcalls from C++ to Java. Code is generated to support C++
callbacks to call into Java and true polymorphic behaviour for Java classes
derived from C++ classes. See java.html for details. Contributed by
Scott Michel.
09/05/2003: Tiger
Created contract example directory at /SWIG/Examples/contract
Added simple contract examples (simple_c & simple_cxx)
Modified contract module's output format
*** NEW FEATURE ***
09/01/2003: cheetah (William Fulton)
Test-suite build improvements:
- Multiple build directories working for the test suite, so it is now
possible to run configure in multiple subdirectories and run the test
suite in each of these sub directories.
- 'make distclean' fixed so it doesn't bomb out on the Examples directory
when using multiple subdiretory builds. Required the following directories
to be moved:
Examples/GIFPlot/Perl -> Examples/GIFPlot/Perl5
Examples/GIFPlot/Php -> Examples/GIFPlot/Php4
These new directories used to be symbolic links to the old directory.
Also the Examples/test-suite/Perl symbolic link has been removed.
- Running the test-suite, other than from the root directory, say
in Examples/test-suite/python will now display all the code being
executed.
- The following 3 C# compilers are detected during configure and work with
the test-suite: Mono, Portable.NET and Microsoft.
09/01/2003: Tiger
Added inheritance support for design by contract feature.
09/01/2003: beazley
Fixed [ 794914 ] Wrong types in template specialization.
SWIG was not handling arguments correctly in template
partial specialization. For example,
template<class T> class Foo<T *> {
public:
T *blah();
};
%template(FooInt) Foo<int *>;
in this class, the return type of blah was set to
'int **', but it should really be 'int *'. This has been
fixed, but it will affect all prior uses of partial
specialization.
09/01/2003: beazley
Fixed [ 786394 ] Patch for generated perl code does not compile under RedHat9.
Reported by Scott Finneran.
09/01/2003: beazley
Fixed [ 791579 ] (unsigned) long long handled incorrectly (Tcl).
This was an error in the Tcl typemaps.i file.
Reported by Kjell Wooding.
09/01/2003: beazley
Fixed [ 797573 ] no way to rename classes coming from C structures.
This problem relates to renaming of anonymous structures with a
typedef. For example:
%rename(Bar) Foo;
typedef struct {
...
} Foo;
Reported by Britton Leo Kerin.
09/01/2003: beazley
Fixed [ 797576 ] -help seems to imply that only tcl-specific options exist.
Added a comment to alert user to other options.
Reported by Britton Leo Kerin.
09/01/2003: beazley
Fixed [ 798205 ] Segfault in SWIG_ConvertPtr.
Reported by Prabhu Ramachandran.
08/30/2003: mrose (Mark Rose)
Modified the director typemaps in python/std_complex.i to use the
new-style macro and conversion functions, which eliminated some
redundant code. Fixed a few bugs in these typemaps as well, although
more testing is needed.
08/29/2003: mrose (Mark Rose)
Completed initial support for wrapping abstract classes with directors.
Constructor wrappers will be generated for abstract classes that have
directors, and instances of the director classes will be created regardless
of whether the proxy class has been subclassed in the target language.
No checks are made during construction to ensure that all pure virtual
methods are implemented in the target language. Instead, calls to
unimplemented methods will throw SWIG_DIRECTOR_PURE_VIRTUAL_EXCEPTION
exceptions in C++.
Integrated Prabhu Ramachandran's typemap patches, which provide director
typemap support for enums and std::size_t, and fix a couple bugs in the
director std::vector<> typemaps.
08/29/2003: cheetah (William Fulton)
[C#] Implemented exception handling for throwing C# exceptions from C/C++ code.
A few delegate functions are available for calling which then throw the C#
exception. Use the SWIG_CSharpThrowException function from C/C++ typemaps.
See the generated wrapper code or csharphead.swg for all available exceptions.
Example:
SWIG_CSharpThrowException(SWIG_CSharpException, "exception description");
The 'throws' typemaps are also now implemented, so code is automatically
generated to convert any C++ exception into a C# System.Exception when the C++
method declares an exception specification such as:
int foo() throw(Bar);
Also any parameters that are references to a C++ class or a class passed by value
and are passed as a C# null will now throw a C# NullReferenceException.
08/29/2003: cheetah (William Fulton)
[C#] Fix to match the calling convention of all pinvoke methods so that they
match the calling convention used by default in the C# 'static extern' declarations
(__stdcall is used on Windows).
08/19/2003: cheetah (William Fulton)
[Java] Reworked std::string typemaps. Fixes a number of string in std namespace
problems. For example %template vector<string>. The templated class' get method
wasn't returning a Java String, but a SWIGTYPE_p_string. Reported
by Zach Baum.
08/15/2003: beazley
Fixed [ 763522 ] 1.3.19 segfault in SwigType_add_pointer/DohInsertitem.
Related to problem with unnamed class handling in Perl module.
08/15/2003: beazley
Fixed [ 763563 ] Missing indication of optional arguments.
Tcl module. Reported by Krzysztof Kozminski.
08/15/2003: beazley
Fixed [ 787432 ] long param handled as int. Tcl module
now uses Tcl_GetLongFromObj to convert integer values.
08/11/2003: beazley
Fixed [ 775989 ] numeric template parameters. There were
some errors in template expansion related to the use of
arrays where the array dimension was a template parameter.
It should work now. Reported by Bryan Green.
08/10/2003: mrose (Mark Rose)
Added a director typemap (outv) for return by value and cleaned up up a few
of the commented director typemaps.
08/10/2003: mrose (Mark Rose)
Fixed constructor generation for director classes to ignore private
constructors. Protected constructors are also ignored for now, pending
a solution to the problem of wrapping classes that only define protected
constructors.
08/07/2003: cheetah (William Fulton)
New commandline option -outdir <dir> to specify where the language specific
files are to be generated. This is useful for target languages like Python,
Java etc which generate proxy files in the appropriate language.
This option does not apply to the C/C++ wrapper file.
08/07/2003: cheetah (William Fulton)
On Windows the generated files (other than the _wrap.c or _wrap.cxx files)
were sometimes incorrectly being generated into the current directory unless
the input file used the Unix path separator. The Windows path separator
should now be used. Bug reported by Robert Davies.
08/07/2003: beazley
Added array variable set typemap to Perl module.
08/07/2003: beazley
Fixed [ 775677 ] Array init causes codegen bug..
08/07/2003: beazley
Fixed [ 779062 ] Class"\n"::foo not supported. SWIG
should now correctly handle whitespace in between
namespace qualifiers. For example "A :: Foo :: Bar".
07/31/2003: cheetah (William Fulton)
Fixes for parameters which are classes that are passed by value and have
a default value. A copy constructor for SwigValueWrapper is required
(SF #780056). Also fixed memory leak in these circumstances. These mods
also fix SF #780054.
07/28/2003: beazley
Improved run-time error message for pointers in Python module.
Contributed by Zooko.
07/10/2003: ballabio (Luigi Ballabio)
[Almost all languages] Wrappers for std::pair added.
Typemaps for Python, Ruby, Guile and MzScheme.
07/01/2003: mkoeppe (Matthias Koeppe)
[Chicken] Handle the case of more than one argout typemap
per function.
06/29/2003: cheetah (William Fulton)
[Java, C#] SF #670949 request. The destructor wrapper function name is now
configurable. A new attribute called methodname in the
javadestruct/javadestruct_derived (Java) or csdestruct/csdestruct_derived (C#)
typemaps specifies the method name. For example in Java the destructor is
wrapped by default with the delete method:
%typemap(javadestruct, methodname="delete") SWIGTYPE {...}
06/27/2003: cheetah (William Fulton)
[Java, C#] The throws attribute for adding exception classes to the throws
clause also now works with the following typemaps:
newfree
javain, javaout (Java)
csin, csout (C#)
For example, the 'AnException' will be added to the throws clause in the
proxy function:
%typemap(javaout, throws="AnException") int {
int returnValue=$jnicall;
if (returnValue==0) throw new AnException("Value must not be zero");
return returnValue;
}
06/25/2003: mrose (Mark Rose)
[Python] Director typemap marshalling checks for null pointers when
walking the parameter list instead of relying soley on the parameter
count. Cures a segfault that occured for multiple argument inv typemaps.
Someone with more Swig experience should probably review this code.
06/24/2003: mkoeppe (Matthias Koeppe)
[Chicken] Don't emit calls to "C_check_for_interrupt",
which may result in an endless loop. Patch by felix@proxima-mt.de.
06/20/2003: cheetah (William Fulton)
[C#] Finalizers now use destructor syntax as the override which was used in
the Finalize method is not in the ECMA standards, spotted by the MS compiler.
06/10/2003: cheetah (William Fulton)
[C#] A number of changes have been made to remove the Java naming
that was used in the C# module.
Typemap name changes:
jni -> ctype
jtype -> imtype
jstype -> cstype
javain -> csin
javaout -> csout
javainterfaces -> csinterfaces
javabase -> csbase
javaclassmodifiers -> csclassmodifiers
javacode -> cscode
javaimports -> csimports
javaptrconstructormodifiers -> csptrconstructormodifiers
javagetcptr -> csgetcptr
javafinalize -> csfinalize
Feature name changes:
javaconst -> csconst
javamethodmodifiers -> csmethodmodifiers
Pragma changes:
pragma(java) -> pragma(csharp)
jniclassbase -> imclassbase
jniclassclassmodifiers -> imclassclassmodifiers
jniclasscode -> imclasscode
jniclassimports -> imclassimports
jniclassinterfaces -> imclassinterfaces
Special variable name changes:
$javaclassname -> $csclassname
$javainput -> $csinput
$jnicall -> $imcall
This will break SWIG interface files that use these typemaps, features
and pragmas. Please update your code or use macros for backwards
compatibility.
*** POTENTIAL INCOMPATIBILITY FOR C# MODULE ***
06/10/2003: mkoeppe (Matthias Koeppe)
[MzScheme] Applied MzScheme module updates contributed by
John Lenz <jelenz@students.wisc.edu>.
- Updated mzscheme to use SWIG's common runtime type
system from common.swg.
- The Lib/mzscheme directory has been reorganized to
standardize names across the language modules:
mzscheme.i was moved to mzscheme.swg, mzscheme.swg and
mzschemedec.swg have been removed, mzrun.swg (which
contains the runtime code) has been added.
- The swig_proxy structure was renamed to swig_mz_proxy.
swig_mz_proxy now contains a pointer to a swig_type_info
structure.
- Added varin and varout typemaps for SWIGTYPE [] and
SWIGTYPE &.
- Garbage collection by calling scheme_add_finalizer() has
been added.
*** NEW FEATURE [MzScheme] ***
06/10/2003: cheetah (William Fulton)
[Java] New typemaps: javadestruct and javadestruct_derived
for the C++ destructor wrapper. The javadestruct version gets used by
classes at the top of an inheritance chain and the javadestruct_derived
version gets used by other classes.
[C#] cildispose and cildisposeoverride typemaps replaced by
csdestruct and csdestruct_derived typemaps. The delete()
method has been removed and its functionality put into these
typemaps designed for the Dispose() method.
- New typemaps csinterfaces and csinterfaces_derived replace
the javainterfaces typemap. Also fixes the peculiarity of all classes
in an inheritance chain individually deriving from the IDisposable
interface.
- New typemap csfinalize for finalizers. C++ destructors are now called
by garbage collector during finalization. Problem reported by
Andreas Sch<63>rk.
06/10/2003: Tiger
Modified contract code for error message output.
Contract code can now print out simple error message.
Modified contract code to prepare for inheritance
06/03/2003: mkoeppe
[Guile] Applied Guile module updates contributed by
John Lenz <jelenz@students.wisc.edu>.
- SWIG currently uses Guile's gh_ API, which is marked as
deprecated in Guile 1.6 and will be removed in Guile
1.9. This change introduces a command-line flag "-scm"
which causes SWIG to generate wrappers that use Guile's
SCM API instead; this requires Guile >= 1.6.
- The Lib/guile directory has been reorganized to
standardize names across language modules: guiledec.swg
and guile.swg have been moved into guile_gh_run.swg,
guile.i has been moved to guile_gh.swg, guile_scm.swg
and guile_scm_run.swg which contain the SCM API stuff
have been added
- ghinterface.i, which contains the defines from the gh_
functions to the scm_functions has been added
- The API for dealing with pointer objects is now
SWIG_ConvertPtr, SWIG_MustGetPtr, SWIG_NewPointerObj.
- Added varin and varout typemaps for SWIGTYPE [] and SWIGTYPE &
- Garbage collection has been added.
*** NEW FEATURE [Guile] ***
06/01/2003: cheetah (William Fulton)
Dimensionless arrays such as
int foo[] = {1, 2};
extern int bar[];
produce a warning that the variable is read-only. Depending on the target
language, this used to cause compile errors or generate a setter that
generated a runtime error. A setter cannot be automatically generated
because the array size cannot be determined by SWIG. A varin, globalin
or memberin typemap (depending on the target language) must be written
by the user.
05/29/2003: beazley
Refinement to default typemap matching and arrays. When an
array is declared like this:
int foo[4];
The default typemap now resolves to
SWIGTYPE [ANY]
If no match is found for that, it then resolves to
SWIGTYPE []
If no array dimension is specified in the original declaration,
the SWIGTYPE [] is used right away.
Note: This change has been made to resolve problems related to
arrays with and without dimensions. For example, sometimes SWIG
was generating setter functions for array variables with no dimensions
(an error). Likewise, SWIG sometimes made arrays with dimensions
read-only (also an error). This fixes the arrays_global test
problem.
05/28/2003: beazley
Fixed subtle type handling bug with references and pointers.
If you had functions like this:
typedef Foo Bar;
Foo *func1();
void func2(Bar &x);
Then func2() wouldn't accept objects returned by func1()
because of a type error. It should work now.
Reported by Brian Yang.
05/21/2003: cheetah (William Fulton)
Fixes to some of the Visual C++ example project files which would not
work with spaces in the paths held in the environment variables used to
point to the target language's library / include directory.
SF bug #740769
05/21/2003: songyanf (Tiger)
Added -contracts option.
First try of the idea of "Wrap by Contract":
build up realiable cross-language module by wrapping with SWIG.
Implemented basic assertion
(preassertion & postassertion & invariant)
for simple C/C++ functions.
Current format of contracts are:
%contract class_name :: func_name (paras...) {
require:
boolean exprs;
exprs;
ensure:
boolean expr;
exprs;
invariant:
boolean expr;
exprs;
}
*** NEW FEATURE ***
05/19/2003: cheetah (William Fulton)
Build tweaks. There were a few preprocessor definitions which were
specified in the Makefile for passing on the commandline when compiling.
These are now all defined in swigconfig.h. Autoconf doesn't normally
allow installation directories to be defined in this config header file,
but an autoconf archive macro enables this. This macro along with future
autoconf macros are going to be put in the Tools/config directory.
'swig -version' now reports the target build platform.
05/11/2003: cheetah (William Fulton)
[C# and Java] Fix to the following typemaps:
javabase, javainterfaces, javaimports, javaclassmodifiers,
javaptrconstructormodifiers, javafinalize, javagetcptr & javacode.
These are the typemaps for modifying/generating proxy classes.
Previously the typemaps would use the proxy class name and not the
C++ type, which was inconsistent with all other typemaps.
In most circumstances the proxy class name and the C++ class name/type
is the same except for classes in namespace, templated classes etc. so
this shouldn't affect most cases.
*** POTENTIAL INCOMPATIBILITY FOR JAVA and C# MODULES ***
05/09/2003: cheetah (William Fulton)
Visual C++ Project files have been added so that the runtime libraries
can be built on Windows (for Tcl, Perl, Python and Ruby).
05/01/2003: beazley
Fixed problem with return by value, const, and private constructors.
For example:
class B {
private:
B();
public:
B(const B&);
};
class A {
...
const B returnB() const;
...
};
Problem and patch suggestion reported by Bill Hoffman.
04/29/2003: cheetah (William Fulton)
Build changes:
- Single autoconf invocation - autoconf in the Tools directory has gone.
- Libtool bootstrapped when running autogen.sh. This requires anyone
using the cvs version of SWIG to have libtool installed on their
machine. Suggest version 1.4.2 or higher, preferably the latest - 1.5.
- Automake is now used to build the runtime libraries in conjunction
with libtool.
- Runtime libraries are now successfully built as DLLs on Cygwin.
- Skipping languages is no longer just determined in the top level
makefile but in configure.in. This info is used for building
the runtime libraries and for running the examples and test-suite.
- These changes have fixed multiple build directory builds, that is
building from directories other than the top level directory.
Installation from multiple build directories also working. An initial
configure in the top level directory is no longer needed as described
in 04/02/2003 entry. A 'make distclean' will be needed before building
in a directory other than the top level directory if the autotools
have been run from this top level directory at some point, but
autoconf will tell you this. Note that 'make check' only works from
the top level directory at the moment.
04/28/2003: beazley
Fixed [ 723471 ] Wrapper_print() fails with preprocessor directives.
04/28/2003: beazley
Minor refinement of const static member variable handling
described in CHANGES 08/11/2002. Previously, SWIG merely
checked to see if there was an initializer in the declaration.
Now, SWIG additionally checks to make sure the static member
is const.
04/25/2003: ljohnson (Lyle Johnson)
[Ruby] Added a kind of limited support for multiple inheritance,
activated using the -minherit command-line option. I've also updated
the "C++ Inheritance" section of the Ruby documentation to discuss
how this works, and its limitations. Also also modified the minherit.i
test case to run against this.
04/25/2003: ljohnson (Lyle Johnson)
[Ruby] Added the -globalmodule command-line option for the Ruby
module, for wrapping stuff into the global module (Kernel) instead
of a nested module. Updated documentation accordingly.
04/23/2003: mrose (Mark Rose)
Fixed symname error in director calls to Python methods
that extend C++ operators.
Stopped director destructor wrappers from calling __set_up,
which was leaving the director flag in an inconsistent state.
04/23/2003: beazley
Fixed problem with namespace resolution and nested namespaces.
Reported by Alfred Lorber (and Marcelo Matus).
04/16/2003: cheetah (William Fulton)
Patch for Java examples and test-suite to run on Mac OS X.
04/15/2003: ljohnson (Lyle Johnson)
[Ruby] Incorporated Nobu Nakada's patches for supporting the Ruby
1.8 allocation framework.
04/15/2003: ljohnson (Lyle Johnson)
[Ruby] Replaced all uses of the deprecated STR2CSTR() macro with the
safer StringValuePtr() macro. For more information, see ruby-talk:67059
and follow-ups to that post.
04/11/2003: beazley
Fixed problem with preprocessor macro expansion. For example:
#define min(x,y) ((x) < (y)) ? (x) : (y)
int f(int min);
Reported by Sebastien Recio.
04/10/2003: cheetah (William Fulton)
[Java] Added a runtime check to typemaps in arrays_java.i library to check
that the Java array passed in is the same size as the C array and throw an
exception if not.
Also fix to use delete instead of free for arrays created using new.
04/07/2003: cheetah (William Fulton)
Remove GCC3 warning when compiling the examples and test-suite:
cc1plus: warning: changing search order for system directory "/usr/include"
cc1plus: warning: as it has already been specified as a non-system directory
See SF patch #715531 submitted by Gerald Williams
04/03/2003: cheetah (William Fulton)
[C#] Improved wrapping of enums and constants. These were previously
wrapped as C# variables rather than constants. Either these are wrapped
as readonly (runtime) constants or compile time constants, depending on
the %javaconst directive (The directive is likely to change name soon).
For example wrapping:
%javaconst(0);
#define ABC 22
%javaconst(1) XYZ;
#define XYZ 33
is now:
public static readonly int ABC = examplePINVOKE.get_ABC();
public const int XYZ = 33;
04/03/2003: cheetah (William Fulton)
[Java] Global constants and enums are put in their own interface called
xxxConstants, where xxx is the module name. This is an improvement as
it is possible to derive (implement) a Java class from the xxxConstants
interface to improve the syntax; namely when wrapping:
enum {ONE=1, TWO, THREE};
accessing these from a Java class implementing xxxConstants is neater:
int number = ONE;
than the previous:
int number = xxx.ONE;
Patch submitted by Dave Dribin.
04/02/2003: cheetah (William Fulton)
Build improvements for multiple builds. This allows one to build
the SWIG executable and runtime libraries for different platforms/compilers
etc by running configure in different directories. This isn't 100% just
yet and won't be until libtool is better configured... a 'configure' and
'make distclean' needs to be run in the root directory before it all works.
For example:
$ ./configure
$ make distclean
$ mkdir config1; cd config1; ../configure CC=gcc CXX=g++; make; cd ..
$ mkdir config2; cd config2; ../configure CC=cc CXX=c++; make; cd ..
To be improved. A 'make check' does not work yet either.
04/01/2003: beazley
Fixed template partial specialization argument expansion bug.
This showed up when trying to use std_vector.i with vectors
of pointers.
03/31/2003: cheetah (William Fulton)
Fix for parallel make builds of SWIG, for example
make -j 4
Build failure reported by Bill Clarke.
03/28/2003: beazley
Released 1.3.19.
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