"werkt0" wrote:

> On Feb 12, 4:45 pm, werkt <[email protected]> wrote:
> > Please redirect me if this isn't the place for this.
> >
> > The existing ruby interface only generates Strings in a ruby context,
> > and errors if anything more interesting (like a dictionary) is passed
> > through eval_to_string.  I've rewritten the vim_evaluate method to be
> > a lot smarter about the types it generates, and provide the same level
> > of support as the python interface (I've left out the caching map as
> > well as depth protection, let me know if its not good enough without
> > them).
> >
> > diff -Nru vim72/src/eval.c vim72.if_ruby_types/src/eval.c
> > --- vim72/src/eval.c
> > +++ vim72.if_ruby_types/src/eval.c
> > @@ -5835,7 +5835,7 @@
> >      return item1 == NULL && item2 == NULL;
> >  }
> >
> > -#if defined(FEAT_PYTHON) || defined(PROTO)
> > +#if defined(FEAT_RUBY) || defined(FEAT_PYTHON) || defined(PROTO)
> >  /*
> >   * Return the dictitem that an entry in a hashtable points to.
> >   */
> > diff -Nru vim72/src/if_ruby.c vim72.if_ruby_types/src/if_ruby.c
> > --- vim72/src/if_ruby.c 2007-09-10
> > +++ vim72.if_ruby_types/src/if_ruby.c
> > @@ -518,20 +518,86 @@
> >      return Qnil;
> >  }
> >
> > +#ifdef FEAT_EVAL
> > +static VALUE vim_to_ruby(typval_T *tv)
> > +{
> > +    VALUE result = Qnil;
> > +
> > +    if (tv->v_type == VAR_STRING)
> > +    {
> > +        result = rb_str_new2(tv->vval.v_string);
> > +    }
> > +    else if (tv->v_type == VAR_NUMBER)
> > +    {
> > +        result = INT2NUM(tv->vval.v_number);
> > +    }
> > +#ifdef FEAT_FLOAT
> > +    else if (tv->v_type == VAR_FLOAT)
> > +    {
> > +        result = rb_float_new(tv->vval.v_float);
> > +    }
> > +#endif
> > +    else if (tv->v_type == VAR_LIST)
> > +    {
> > +        list_T      *list = tv->vval.v_list;
> > +        listitem_T  *curr;
> > +
> > +        result = rb_ary_new();
> > +
> > +        if (list != NULL)
> > +        {
> > +            for (curr = list->lv_first; curr != NULL; curr = curr->li_next)
> >
> > +            {
> > +                rb_ary_push(result, vim_to_ruby(&curr->li_tv));
> > +            }
> > +        }
> > +    }
> > +    else if (tv->v_type == VAR_DICT)
> > +    {
> > +        result = rb_hash_new();
> > +
> > +        if (tv->vval.v_dict != NULL)
> > +        {
> > +            hashtab_T   *ht = &tv->vval.v_dict->dv_hashtab;
> > +            long_u      todo = ht->ht_used;
> > +            hashitem_T  *hi;
> > +            dictitem_T  *di;
> > +
> > +            for (hi = ht->ht_array; todo > 0; ++hi)
> > +            {
> > +                if (!HASHITEM_EMPTY(hi))
> > +                {
> > +                    --todo;
> > +
> > +                    di = dict_lookup(hi);
> > +                    rb_hash_aset(result, rb_str_new2((char *)hi->hi_key), 
> > vim_to_ruby(&di->di_tv));
> >
> > +                }
> > +            }
> > +        }
> > +    } /* else return Qnil; */
> > +
> > +    return result;
> > +}
> > +#endif
> > +
> >  static VALUE vim_evaluate(VALUE self, VALUE str)
> >  {
> >  #ifdef FEAT_EVAL
> > -    char_u *value = eval_to_string((char_u *)STR2CSTR(str), NULL,
> > TRUE);
> > +    typval_T    *tv;
> > +    VALUE       result;
> >
> > -    if (value != NULL)
> > -    {
> > -       VALUE val = rb_str_new2((char *)value);
> > -       vim_free(value);
> > -       return val;
> > +    tv = eval_expr((char_u *)STR2CSTR(str), NULL);
> > +    if (tv == NULL) {
> > +        return Qnil;
> >      }
> > -    else
> > +
> > +    result = vim_to_ruby(tv);
> > +
> > +    free_tv(tv);
> > +
> > +    return result;
> >  #endif
> > -       return Qnil;
> > +    return Qnil;
> >  }
> >
> >  static VALUE buffer_new(buf_T *buf)
> >
> > Thanks,
> > -werkt
> 
> I've put a copy of this up at 
> http://www.csh.rit.edu/~werkt/if_ruby_types.diff,
> the post above was somewhat wildly formatted, and the diff should
> apply cleanly to 7.2.

Please, please, if you send patches to source code, include your full
name.  Not only for copyright reasons, also because I don't trust
messages without a full name.  There is too much spam and malware being
emailed around.

-- 
Eagles may soar, but weasels don't get sucked into jet engines.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\        download, build and distribute -- http://www.A-A-P.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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