[kaffe] How to make Saxon 7.2 work with kaffe

[Dalibor Topic]

Hi Itzo,

thanks for posting the information on running Saxon
7.2.

--- Ito Kazumitsu <ito.kazumitsu at hitachi-cable.co.jp>
wrote:
> 1. Add missing packages and classes to kaffe.
> 
>    (1) Copy java/lang/CharSequence.java from
> classpath-0.04

should be easy to add as its just an interface. String
and StringBuffer implement it in JDK 1.4, so we should
patch them, too.

>    (2) Copy java/util/WeakHashMap.java from
> classpath-0.04 and
>        apply the following patch
> --- java/util/WeakHashMap.java.orig	Thu Sep 19
> 09:34:34 2002
> +++ java/util/WeakHashMap.java	Thu Sep 19 09:59:22
> 2002
> @@ -86,6 +86,19 @@
>   */
>  public class WeakHashMap extends AbstractMap
> implements Map
>  {
> +
> +  // The following methods were copied from
> +  // AbstractMap of classpath because kaffe's does
> not have ones.
> +  static final boolean equals(Object o1, Object o2)
> +  {
> +    return o1 == null ? o2 == null : o1.equals(o2);
> +  }
> +  static final int hashCode(Object o)
> +  {
> +    return o == null ? 0 : o.hashCode();
> +  }
> +  // end of methods copied from AbstractMap of
> classpath
> +
>    // WARNING: WeakHashMap is a CORE class in the
> bootstrap cycle. See the
>    // comments in vm/reference/java/lang/Runtime for
> implications of this fact.

These methods are not part of the java 1.4 API. Why
are they needed?

>    (3) Install the package gnu.regexp

It's LGPLd so we could put it in kaffe like kjc.
 
>    (4) Make the package java.util.regex using
> gnu.regexp
>        My java.util.regex is attached hereunder.  I
> do not know whether
>        it works properly.  I just want to avoid
> compile-time errors.

thanks for your java.regex implementation. I'll take a
look at it when I'm back from my vacation. I believe
that classpath is using gnu.regexp as the basis for
their regex implementation, too.

best reagards,

dalibor topic

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