src/backend/nodes/nodes.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * nodes.c
   4  *        support code for nodes (now that we have removed the home-brew
   5  *        inheritance system, our support code for nodes is much simpler)
   6  *
   7  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  *
  11  * IDENTIFICATION
  12  *        $PostgreSQL$
  13  *
  14  * HISTORY
  15  *        Andrew Yu                     Oct 20, 1994    file creation
  16  *
  17  *-------------------------------------------------------------------------
  18  */
  19 #include "postgres.h"
  20
  21 #include "nodes/nodes.h"
  22
  23 /*
  24  * Support for newNode() macro
  25  *
  26  * In a GCC build there is no need for the global variable newNodeMacroHolder.
  27  * However, we create it anyway, to support the case of a non-GCC-built
  28  * loadable module being loaded into a GCC-built backend.
  29  */
  30
  31 Node       *newNodeMacroHolder;