vim/7.2.374

To: vim-dev@vim.org
Subject: Patch 7.2.374
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.2.374
Problem:    Ruby eval() doesn't understand Vim types.
Solution:   Add the vim_to_ruby() function.  (George Gensure)
Files:	    src/eval.c, src/if_ruby.c


*** ../vim-7.2.373/src/eval.c	2010-01-19 15:51:29.000000000 +0100
--- src/eval.c	2010-02-24 15:36:40.000000000 +0100
***************
*** 5872,5878 ****
      return item1 == NULL && item2 == NULL;
  }
  
! #if defined(FEAT_PYTHON) || defined(FEAT_MZSCHEME) || defined(PROTO)
  /*
   * Return the dictitem that an entry in a hashtable points to.
   */
--- 5872,5879 ----
      return item1 == NULL && item2 == NULL;
  }
  
! #if defined(FEAT_RUBY) || defined(FEAT_PYTHON) || defined(FEAT_MZSCHEME) \
! 	|| defined(PROTO)
  /*
   * Return the dictitem that an entry in a hashtable points to.
   */
*** ../vim-7.2.373/src/if_ruby.c	2010-02-18 15:51:25.000000000 +0100
--- src/if_ruby.c	2010-02-24 15:45:15.000000000 +0100
***************
*** 660,679 ****
      return Qnil;
  }
  
  static VALUE vim_evaluate(VALUE self UNUSED, VALUE str)
  {
  #ifdef FEAT_EVAL
!     char_u *value = eval_to_string((char_u *)StringValuePtr(str), NULL, TRUE);
  
!     if (value != NULL)
      {
! 	VALUE val = rb_str_new2((char *)value);
! 	vim_free(value);
! 	return val;
      }
!     else
  #endif
- 	return Qnil;
  }
  
  static VALUE buffer_new(buf_T *buf)
--- 660,747 ----
      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((char *)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 UNUSED, VALUE str)
  {
  #ifdef FEAT_EVAL
!     typval_T    *tv;
!     VALUE       result;
  
!     tv = eval_expr((char_u *)StringValuePtr(str), NULL);
!     if (tv == NULL)
      {
!         return Qnil;
      }
!     result = vim_to_ruby(tv);
! 
!     free_tv(tv);
! 
!     return result;
! #else
!     return Qnil;
  #endif
  }
  
  static VALUE buffer_new(buf_T *buf)
*** ../vim-7.2.373/src/version.c	2010-02-24 15:25:13.000000000 +0100
--- src/version.c	2010-02-24 15:46:57.000000000 +0100
***************
*** 683,684 ****
--- 683,686 ----
  {   /* Add new patch number below this line */
+ /**/
+     374,
  /**/

-- 
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   Midst echoing shouts of "run away" the KNIGHTS retreat to cover with the odd
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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