Add in the 1st version of ECP.

[mirror_edk2.git] / EdkCompatibilityPkg / Other / Maintained / Tools / Pccts / h / ASTBase.h

/* Abstract syntax tree\r
 *\r
 * SOFTWARE RIGHTS\r
 *\r
 * We reserve no LEGAL rights to the Purdue Compiler Construction Tool\r
 * Set (PCCTS) -- PCCTS is in the public domain.  An individual or\r
 * company may do whatever they wish with source code distributed with\r
 * PCCTS or the code generated by PCCTS, including the incorporation of\r
 * PCCTS, or its output, into commerical software.\r
 *\r
 * We encourage users to develop software with PCCTS.  However, we do ask\r
 * that credit is given to us for developing PCCTS.  By "credit",\r
 * we mean that if you incorporate our source code into one of your\r
 * programs (commercial product, research project, or otherwise) that you\r
 * acknowledge this fact somewhere in the documentation, research report,\r
 * etc...  If you like PCCTS and have developed a nice tool with the\r
 * output, please mention that you developed it using PCCTS.  In\r
 * addition, we ask that this header remain intact in our source code.\r
 * As long as these guidelines are kept, we expect to continue enhancing\r
 * this system and expect to make other tools available as they are\r
 * completed.\r
 *\r
 * ANTLR 1.33\r
 * Terence Parr\r
 * Parr Research Corporation\r
 * with Purdue University and AHPCRC, University of Minnesota\r
 * 1989-1998\r
 */\r
\r
#ifndef ASTBase_H\r
#define ASTBase_H\r
\r
#include "pcctscfg.h"\r
\r
#include "pccts_stdio.h"\r
#include "pccts_stdlib.h"\r
\r
PCCTS_NAMESPACE_STD\r
\r
#ifndef PCCTS_NOT_USING_SOR\r
#include "PCCTSAST.h"\r
#endif\r
\r
/*\r
 * Notes:\r
 *\r
 * To specify a copy constructor, subclass one of these classes and\r
 * give the copy constructor.  To use dup(), you must define shallowCopy().\r
 * shallowCopy() can use either a copy constructor or just copy the node\r
 * itself.\r
 */\r
\r
#ifdef PCCTS_NOT_USING_SOR\r
class DllExportPCCTS ASTBase {\r
#else\r
class DllExportPCCTS ASTBase : public PCCTS_AST {\r
#endif\r
\r
protected:\r
  ASTBase *_right, *_down;\r
\r
public:\r
\r
#ifdef PCCTS_NOT_USING_SOR\r
  ASTBase *right()  { return _right; }\r
  ASTBase *down()      { return _down; }\r
  void setRight(ASTBase *t)  { _right = (ASTBase *)t; }\r
  void setDown(ASTBase *t)  { _down = (ASTBase *)t; }\r
#else\r
  PCCTS_AST *right()  { return _right; }  // define the SORCERER interface\r
  PCCTS_AST *down()  { return _down; }\r
  void setRight(PCCTS_AST *t)  { _right = (ASTBase *)t; }\r
  void setDown(PCCTS_AST *t)  { _down = (ASTBase *)t; }\r
#endif\r
  ASTBase() { _right = _down = NULL; }\r
  virtual ~ASTBase() { ; }\r
#ifndef PCCTS_NOT_USING_SOR\r
  virtual ASTBase *dup();\r
#endif\r
  void destroy();\r
  void preorder();\r
  static ASTBase *tmake(ASTBase *, ...);\r
  static void link(ASTBase **, ASTBase **, ASTBase **);\r
  void subchild(ASTBase **, ASTBase **, ASTBase **);\r
  void subroot(ASTBase **, ASTBase **, ASTBase **);\r
  virtual void preorder_action() { ; }\r
  virtual void preorder_before_action() { printf(" ("); }\r
  virtual void preorder_after_action() { printf(" )"); }\r
    virtual void panic(const char *msg);         /* MR21 */\r
    virtual void reportOverwriteOfDownPointer(); /* MR21 */\r
};\r
\r
class DllExportPCCTS ASTDoublyLinkedBase : public ASTBase {\r
protected:\r
    ASTDoublyLinkedBase *_left, *_up;\r
\r
public:\r
  void double_link(ASTBase *left, ASTBase *up);\r
\r
#ifndef PCCTS_NOT_USING_SOR\r
  virtual ASTBase *dup();\r
#endif\r
\r
#ifdef PCCTS_NOT_USING_SOR\r
  ASTBase *left() { return _left; }\r
  ASTBase *up() { return _up; }\r
  void setLeft(ASTBase *t) { _left = (ASTDoublyLinkedBase *)t; }    // MR6\r
  void setUp(ASTBase *t)   { _up = (ASTDoublyLinkedBase *)t; }      // MR6\r
#else\r
  PCCTS_AST *left() { return _left; }\r
  PCCTS_AST *up() { return _up; }\r
  void setLeft(PCCTS_AST *t) { _left = (ASTDoublyLinkedBase *)t; }  // MR6\r
  void setUp(PCCTS_AST *t)   { _up = (ASTDoublyLinkedBase *)t; }  // MR6\r
#endif\r
\r
};\r
\r
class AST;  // announce that this class will be coming along shortly\r
#endif\r