src/Headers/ctypeList.h

   1 /*
   2 ** Copyright (C) University of Virginia, Massachusetts Institue of Technology 1994-2003.
   3 ** See ../LICENSE for license information.
   4 **
   5 */
   6 # ifndef ctypeLIST_H
   7 # define ctypeLIST_H
   8
   9 /*
  10 ** there is a special ctypeList used to represent the () argument list
  11 ** this has nelements = -1
  12 **
  13 ** (that is, not void, so any number of arguments is okay.)
  14 */
  15
  16 struct s_ctypeList
  17 {
  18   int nelements;
  19   int nspace;
  20   /*@reldef@*/ /*@relnull@*/ ctype  *elements;
  21 } ;
  22
  23 extern int ctypeList_size (/*@sef@*/ ctypeList p_s) /*@*/ ;
  24 # define ctypeList_size(s)  (ctypeList_isDefined(s) ? (s)->nelements : 0)
  25
  26 extern /*@only@*/ ctypeList ctypeList_new(void);
  27 extern void ctypeList_addh (ctypeList p_s, ctype p_el) /*@modifies p_s@*/;
  28
  29 extern void ctypeList_free (/*@only@*/ /*@only@*/ ctypeList p_s) /*@modifies p_s@*/;
  30
  31 extern /*@falsewhennull@*/ bool ctypeList_isDefined (/*@null@*/ ctypeList p_ct) /*@*/ ;
  32 extern /*@unused@*/ /*@nullwhentrue@*/ bool
  33   ctypeList_isUndefined (/*@null@*/ ctypeList p_ct) /*@*/ ;
  34
  35 /*@constant null ctypeList ctypeList_undefined; @*/
  36 # define ctypeList_undefined       ((ctypeList) NULL)
  37
  38 # define ctypeList_isDefined(ct)   ((ct) != ctypeList_undefined)
  39 # define ctypeList_isUndefined(ct) ((ct) == ctypeList_undefined)
  40
  41 /*@iter ctypeList_elements (sef ctypeList x, yield ctype el); @*/
  42 # define ctypeList_elements(x, m_el) \
  43    { if (!ctypeList_isUndefined(x)) \
  44        { int m_ind; ctype *m_elements = &((x)->elements[0]); \
  45           for (m_ind = 0 ; m_ind < (x)->nelements; m_ind++) \
  46            { ctype m_el = *(m_elements++);
  47
  48 # define end_ctypeList_elements }}}
  49
  50 /*@constant int ctypeListBASESIZE;@*/
  51 # define ctypeListBASESIZE SMALLBASESIZE
  52
  53 # else
  54 # error "Multiple include"
  55 # endif
  56
  57
  58
  59