kc3-lang/kc3/libc3/frame.c

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• Hash : 022cd1f8
  Author : Thomas de Grivel
  Date : 2022-11-07T11:31:42
  

  eval is evil

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• libc3/frame.c

• /* c3
   * Copyright 2022 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 <assert.h>
  #include <err.h>
  #include <stdlib.h>
  #include "frame.h"
  #include "list.h"
  
  void frame_clean (s_frame *frame)
  {
    assert(frame);
    list_delete(frame->bindings);
  }
  
  void frame_delete (s_frame *frame)
  {
    if (frame) {
      frame_clean(frame);
      free(frame);
    }
  }
  
  void frame_delete_all (s_frame *frame)
  {
    s_frame *next;
    while (frame) {
      next = frame->next;
      frame_delete(frame);
      frame = next;
    }
  }
  
  s_frame * frame_init (s_frame *frame, s_frame *next)
  {
    assert(frame);
    frame->bindings = NULL;
    frame->next = next;
    return frame;
  }
  
  s_frame * frame_new (s_frame *next)
  {
    s_frame *frame;
    if (! (frame = malloc(sizeof(s_frame))))
      errx(1, "frame_new: out of memory");
    return frame_init(frame, next);
  }
  

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