src/Headers/metaStateExpression.h

   1 /*
   2 ** Copyright (C) University of Virginia, Massachusetts Institue of Technology 1994-2003.
   3 ** See ../LICENSE for license information.
   4 */
   5 /*
   6 ** metaStateExpression.h
   7 */
   8
   9 # ifndef METASTATEEXPRESSION_H
  10 # define METASTATEEXPRESSION_H
  11
  12 struct s_metaStateExpression {
  13   metaStateSpecifier spec;
  14   /*@null@*/ metaStateExpression rest;
  15 } ;
  16
  17 /*@constant null metaStateExpression metaStateExpression_undefined; @*/
  18 # define metaStateExpression_undefined    ((metaStateExpression) NULL)
  19
  20 extern /*@falsewhennull@*/ bool metaStateExpression_isDefined (metaStateExpression) /*@*/ ;
  21 # define metaStateExpression_isDefined(p_info) ((p_info) != NULL)
  22
  23 extern /*@nullwhentrue@*/ bool metaStateExpression_isUndefined (metaStateExpression) /*@*/ ;
  24 # define metaStateExpression_isUndefined(p_info) ((p_info) == NULL)
  25
  26 extern /*@notnull@*/ metaStateExpression
  27 metaStateExpression_create (/*@only@*/ metaStateSpecifier) ;
  28
  29 extern /*@notnull@*/ metaStateExpression
  30 metaStateExpression_createMerge (/*@only@*/ metaStateSpecifier, /*@only@*/ metaStateExpression) ;
  31
  32 extern /*@observer@*/ metaStateSpecifier
  33 metaStateExpression_getSpecifier (metaStateExpression) /*@*/ ;
  34
  35 extern bool metaStateExpression_isMerge (metaStateExpression) /*@*/ ;
  36 extern /*@observer@*/ metaStateExpression metaStateExpression_getRest (metaStateExpression) /*@*/ ;
  37
  38 extern metaStateExpression metaStateExpression_copy (metaStateExpression) ;
  39
  40 extern cstring metaStateExpression_unparse (metaStateExpression) /*@*/ ;
  41
  42 extern void metaStateExpression_free (/*@only@*/ metaStateExpression) ;
  43
  44 # else
  45 # error "Multiple include"
  46 # endif
  47
  48
  49
  50