TAO/TAO_IDL/include/utl_exprlist.h

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  11 The Interface Definition Language Compiler Front End (CFE) is made
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  63 */
  64
  65 #ifndef _UTL_EXPRLIST_UTL_EXPRLIST_HH
  66 #define _UTL_EXPRLIST_UTL_EXPRLIST_HH
  67
  68 #include "utl_list.h"
  69
  70 class AST_Expression;
  71
  72 // List of expressions.
  73
  74 // NOTE: This list class only works correctly because we use single public
  75 //       inheritance, as opposed to multiple inheritance or public virtual.
  76 //       It relies on a type-unsafe cast from UTL_List to subclasses, which
  77 //       will cease to operate correctly if you use either multiple or
  78 //       public virtual inheritance.
  79
  80 class TAO_IDL_FE_Export UTL_ExprList : public UTL_List
  81 {
  82 public:
  83   UTL_ExprList (AST_Expression *s,
  84                 UTL_ExprList *cdr);
  85
  86   // Get list item.
  87   AST_Expression *head (void);
  88
  89   // Cleanup.
  90   virtual void destroy (void);
  91
  92 private:
  93   // Data.
  94   AST_Expression *pd_car_data;
  95 };
  96
  97 // Active iterator for UTL_ExprList.
  98 class   UTL_ExprlistActiveIterator : public UTL_ListActiveIterator
  99 {
 100 public:
 101   UTL_ExprlistActiveIterator (UTL_ExprList *s);
 102
 103   // Get current item.
 104   AST_Expression *item (void);
 105 };
 106
 107 #endif           // _UTL_EXPRLIST_UTL_EXPRLIST_HH