kc3-lang/kc3/libkc3/pcallable.c

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• Hash : e4808e3a
  Author : Thomas de Grivel
  Date : 2025-03-16T18:18:08
  

  ikc3 --copy for pass by copy
  

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• libkc3/pcallable.c

• /* kc3
   * Copyright from 2022 to 2025 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #include <unistd.h>
  #include "alloc.h"
  #include "assert.h"
  #include "callable.h"
  #include "cfn.h"
  #include "fn.h"
  #include "mutex.h"
  #include "pcallable.h"
  #include "tag.h"
  
  void pcallable_clean (p_callable *callable)
  {
    bool nullify;
    if (*callable) {
      nullify = (*callable)->ref_count == 1;
      callable_delete(*callable);
      if (nullify)
        *callable = NULL;
    }
  }
  
  p_callable * pcallable_init (p_callable *callable)
  {
    p_callable tmp;
    if (! (tmp = callable_new()))
      return NULL;
    *callable = tmp;
    return callable;
  }
  
  p_callable * pcallable_init_cast (p_callable *callable,
                                    const s_sym * const *type,
                                    const s_tag *tag)
  {
    const s_sym *tag_type_;
    (void) callable;
    switch (tag->type) {
    case TAG_PCALLABLE:
      err_puts("pcallable_init_cast: not implemented.");
      assert(! "pcallable_init_cast: not implemented.");
      return NULL;
    default:
      break;
    }
    err_write_1("pcallable_init_cast: cannot cast from ");
    tag_type(tag, &tag_type_);
    err_inspect_sym(&tag_type_);
    err_write_1(" to ");
    err_inspect_sym(type);
    err_write_1(" aka Callable.\n");
    assert(! "pcallable_init_cast: cannot cast to Callable.");
    return NULL;
  }
  
  p_callable * pcallable_init_copy (p_callable *callable,
                                    p_callable *src)
  {
    p_callable tmp;
    if (env_global()->pass_by_copy)
      tmp = callable_new_copy(*src);
    else
      tmp = callable_new_ref(*src);
    if (! tmp)
      return NULL;
    *callable = tmp;
    return callable;
  }
  

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