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William S Fulton 2004-06-27 21:08:34 +00:00
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Version 1.3.22 (in progress)
==================================
06/27/2004: wsfulton
[Java] New feature for Java exceptions with format %javaexception(exceptionclasses).
This feature is a slight enhancement to %exception and the only difference is the
addition of the exception classes which are generated into a throws clause.
The 'exceptionclasses' is a comma separated list of classes which will be
added to the associated proxy method's throws clause. The 'exceptionclasses'
are specified like the exception classes in the 'throws' attribute in the
typemaps. This feature should be used for correctly handling checked exceptions
thrown from JNI code. For example:
%javaexception("java.lang.Exception") throwException %{
... convert a std::logic_error into a java.lang.Exception using JNI code ...
%}
#include <stdexcept>
void throwException() {
throw std::logic_error("Logic error!");
}
will generate a method with a throws clause in the module class:
public static void throwException() throws java.lang.Exception { ... }
06/27/2004: wsfulton
[C#] New %csconstvalue(value) feature directive for use with constants and
enums. This works the same way as %javaconstvalue. For C#, this directive
is the only way that one can fix wrapping of C/C++ enums with proper C#
enums if the enum item's initialiser cannot compile as C# code. This is
because Java enums can use a call into C code to initialise the enum item,
whereas in C#, the enum value must be a compile time constant. That is,
using %csconst(0) cannot be used in C# to initialise the C# enum item via
a PINVOKE call.
06/27/2004: wsfulton
[Java] New %javaconstvalue(value) feature directive for use with constants and
enums. Sometimes the use of %javaconst(1) will produce code that won't compile
under Java. If a compile time constant is required, %javaconst(0) is not an
option. The %javaconstvalue directive achieves this goal and the value specified
is generated as Java code to initialise the constant. For example:
%javaconst(1);
%javaconstvalue(1000) BIG;
%javaconstvalue("new java.math.BigInteger(\"2000\")") LARGE;
%javaconstvalue(10) bar;
%{
const int bar = 10;
%}
%inline %{
#define BIG 1000LL
#define LARGE 2000ULL
enum Foo { BAR = ::bar };
%}
Generates:
public interface exampleConstants {
public final static long BIG = 1000;
public final static java.math.BigInteger LARGE = new java.math.BigInteger("2000");
}
public final class Foo {
public final static Foo BAR = new Foo("BAR", 10);
...
}
Previously, none of BIG, LARGE or BAR would have produced compileable code
when using %javaconst(1).
06/27/2004: wsfulton
%feature enhancements. Features can now take an unlimited number of attributes
in addition to the feature name and feature value. The attributes are optional
and are much the same as the typemap attributes. For example, the following
specifies two optional attributes, attrib1 and attrib2:
%feature(featurename, attrib1="attribval1", attrib2="attribval2") name "val";
%feature(featurename, val, attrib1="attribval1", attrib2="attribval2") name;
06/27/2004: wsfulton
%feature improvements for the syntax that takes the feature value within the
%feature() brackets. The value specified is no longer restricted to being just
a string. It can be a string or a number. For example, this is now acceptable
syntax:
%feature("featurename",20.0);
whereas previously it would have to have been:
%feature("featurename","20.0");
Useful for features that are implemented as a macro, for example:
#define %somefeature(value) %feature("somefeature",value)
These will now work accepting either a string or a number:
%somefeature("Fred");
%somefeature(4);
06/06/2004: wuzzeb (John Lenz)
[Chicken, Guile]
- Created the Examples/test-suite/schemerunme directory, which holds all the