Maintainers.txt: Remove EdkCompatibilityPkg information

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

/* ANTLRToken.h\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 ATOKEN_H_GATE\r
#define ATOKEN_H_GATE\r
\r
#include "pcctscfg.h"\r
\r
#include "pccts_string.h"\r
#include "pccts_stdio.h"\r
#include "pccts_stdlib.h"\r
\r
PCCTS_NAMESPACE_STD\r
\r
// MR9      RJV (JVincent@novell.com) Not needed for variable length strings\r
\r
//// MR9 #ifndef ANTLRCommonTokenTEXTSIZE\r
//// MR9 #define ANTLRCommonTokenTEXTSIZE          100\r
//// MR9 #endif\r
\r
\r
/* must define what a char looks like; can make this a class too */\r
typedef char ANTLRChar;\r
\r
/* D E F I N E  S M A R T  P O I N T E R S */\r
\r
//#include ATOKPTR_H   not tested yet, leave out\r
class ANTLRAbstractToken;\r
typedef ANTLRAbstractToken *_ANTLRTokenPtr;\r
\r
class ANTLRAbstractToken {\r
public:\r
    virtual ~ANTLRAbstractToken() {;}\r
    virtual ANTLRTokenType getType() const = 0;\r
    virtual void setType(ANTLRTokenType t) = 0;\r
    virtual int getLine() const = 0;\r
    virtual void setLine(int line) = 0;\r
    virtual ANTLRChar *getText() const = 0;\r
    virtual void setText(const ANTLRChar *) = 0;\r
\r
    /* This function will disappear when I can use templates */\r
  virtual ANTLRAbstractToken *makeToken(ANTLRTokenType tt,\r
                      ANTLRChar *text,\r
                      int line) = 0;\r
\r
  /* define to satisfy ANTLRTokenBuffer's need to determine whether or\r
     not a token object can be destroyed.  If nref()==0, no one has\r
     a reference, and the object may be destroyed.  This function defaults\r
     to 1, hence, if you use deleteTokens() message with a token object\r
     not derived from ANTLRCommonRefCountToken, the parser will compile\r
     but will not delete objects after they leave the token buffer.\r
    */\r
\r
  virtual unsigned nref() const { return 1; }     // MR11\r
  virtual void ref() {;}\r
  virtual void deref() {;}\r
\r
  virtual void panic(const char *msg)             // MR20 const\r
    {\r
      fprintf(stderr, "ANTLRAbstractToken panic: %s\n", msg);\r
      exit(PCCTS_EXIT_FAILURE);\r
    }\r
};\r
\r
/* This class should be subclassed.  It cannot store token type or text */\r
\r
class ANTLRRefCountToken : public ANTLRAbstractToken {\r
public:\r
#ifdef DBG_REFCOUNTTOKEN\r
  static int ctor;\r
  static int dtor;\r
#endif\r
protected:\r
    unsigned refcnt_;\r
#ifdef DBG_REFCOUNTTOKEN\r
  char object[200];\r
#endif\r
\r
public:\r
  ANTLRRefCountToken(ANTLRTokenType t, const ANTLRChar *s)\r
#ifndef DBG_REFCOUNTTOKEN\r
    {\r
      refcnt_ = 0;\r
    }\r
#else\r
  {\r
    ctor++;\r
    refcnt_ = 0;\r
    if ( t==1 ) sprintf(object,"tok_EOF");\r
    else sprintf(object,"tok_%s",s);\r
    fprintf(stderr, "ctor %s #%d\n",object,ctor);\r
  }\r
#endif\r
  ANTLRRefCountToken()\r
#ifndef DBG_REFCOUNTTOKEN\r
    { refcnt_ = 0; }\r
#else\r
    {\r
      ctor++;\r
      refcnt_ = 0;\r
      sprintf(object,"tok_blank");\r
      fprintf(stderr, "ctor %s #%d\n",object,ctor);\r
    }\r
  virtual ~ANTLRRefCountToken()\r
    {\r
      dtor++;\r
      if ( dtor>ctor ) fprintf(stderr, "WARNING: dtor>ctor\n");\r
      fprintf(stderr, "dtor %s #%d\n", object, dtor);\r
      object[0]='\0';\r
    }\r
#endif\r
\r
  // reference counting stuff needed by ANTLRTokenPtr.\r
  // User should not access these; for C++ language reasons, we had\r
  // to make these public.  Yuck.\r
\r
  void ref()          { refcnt_++; }\r
  void deref()        { refcnt_--; }\r
  unsigned nref()  const { return refcnt_; }   // MR11\r
\r
  virtual ANTLRAbstractToken *makeToken(ANTLRTokenType tt,\r
                      ANTLRChar *txt,\r
                      int line)\r
  {\r
    panic("call to ANTLRRefCountToken::makeToken()\n");\r
    return NULL;\r
  }\r
};\r
\r
class ANTLRCommonNoRefCountToken : public ANTLRAbstractToken {\r
protected:\r
  ANTLRTokenType _type;\r
  int _line;\r
  ANTLRChar *_text;               // MR9 RJV\r
\r
public:\r
  ANTLRCommonNoRefCountToken(ANTLRTokenType t, const ANTLRChar *s)\r
  { setType(t); _line = 0; _text = NULL; setText(s); }\r
  ANTLRCommonNoRefCountToken()\r
  { setType((ANTLRTokenType)0); _line = 0; _text = NULL; setText(""); }\r
\r
  ~ANTLRCommonNoRefCountToken() { if (_text) delete [] _text; }  // MR9 RJV: Added Destructor to remove string\r
\r
  ANTLRTokenType getType() const   { return _type; }\r
  void setType(ANTLRTokenType t)  { _type = t; }\r
  virtual int getLine() const    { return _line; }\r
  void setLine(int line)        { _line = line; }\r
  ANTLRChar *getText() const     { return _text; }\r
    int getLength() const           { return strlen(getText()); }       // MR11\r
\r
// MR9 RJV: Added code for variable length strings to setText()\r
\r
  void setText(const ANTLRChar *s)\r
  {  if (s != _text) {\r
          if (_text) delete [] _text;\r
          if (s != NULL) {\r
           _text = new ANTLRChar[strlen(s)+1];\r
            if (_text == NULL) panic("ANTLRCommonNoRefCountToken::setText new failed");\r
            strcpy(_text,s);\r
        } else {\r
            _text = new ANTLRChar[1];\r
            if (_text == NULL) panic("ANTLRCommonNoRefCountToken::setText new failed");\r
            strcpy(_text,"");\r
          };\r
        };\r
  }\r
\r
  virtual ANTLRAbstractToken *makeToken(ANTLRTokenType tt,\r
                      ANTLRChar *txt,\r
                      int line)\r
    {\r
      ANTLRAbstractToken *t = new ANTLRCommonNoRefCountToken;\r
      t->setType(tt); t->setText(txt); t->setLine(line);\r
      return t;\r
    }\r
\r
// MR9 THM Copy constructor required when heap allocated string is used with copy semantics\r
\r
   ANTLRCommonNoRefCountToken (const ANTLRCommonNoRefCountToken& from) :\r
         ANTLRAbstractToken(from) {\r
    setType(from._type);\r
   setLine(from._line);\r
     _text=NULL;\r
     setText(from._text);\r
  };\r
\r
// MR9 THM operator =() required when heap allocated string is used with copy semantics\r
\r
   virtual ANTLRCommonNoRefCountToken& operator =(const ANTLRCommonNoRefCountToken& rhs) {\r
\r
//////  MR15 WatCom can't hack use of operator =()\r
//////  Use this:  *( (ANTRLAbstractToken *) this)=rhs;\r
\r
     *( (ANTLRAbstractToken *) this ) = rhs;\r
\r
     setType(rhs._type);\r
    setLine(rhs._line);\r
     setText(rhs._text);\r
     return *this;\r
   };\r
};\r
\r
class ANTLRCommonToken : public ANTLRRefCountToken {\r
protected:\r
  ANTLRTokenType       _type;\r
  int                  _line;\r
  ANTLRChar           *_text;               // MR9 RJV:Added\r
\r
public:\r
  ANTLRCommonToken(ANTLRTokenType t, const ANTLRChar *s) : ANTLRRefCountToken(t,s)\r
    { setType(t); _line = 0; _text = NULL; setText(s); }                    // MR9\r
  ANTLRCommonToken()\r
    { setType((ANTLRTokenType)0); _line = 0; _text = NULL; setText(""); }   // MR9\r
\r
  virtual ~ANTLRCommonToken() { if (_text) delete [] _text; } // MR9 RJV: Added Destructor to remove string\r
\r
  ANTLRTokenType getType() const   { return _type; }\r
  void setType(ANTLRTokenType t)  { _type = t; }\r
  virtual int getLine() const    { return _line; }\r
  void setLine(int line)        { _line = line; }\r
  ANTLRChar *getText() const    { return _text; }\r
    int getLength() const           { return strlen(getText()); }       // MR11\r
\r
// MR9 RJV: Added code for variable length strings to setText()\r
\r
  void setText(const ANTLRChar *s)\r
  {  if (s != _text) {\r
          if (_text) delete [] _text;\r
          if (s != NULL) {\r
           _text = new ANTLRChar[strlen(s)+1];\r
            if (_text == NULL) panic("ANTLRCommonToken::setText new failed");\r
            strcpy(_text,s);\r
        } else {\r
            _text = new ANTLRChar[1];\r
            if (_text == NULL) panic("ANTLRCommonToken::setText new failed");\r
            strcpy(_text,"");\r
          };\r
        };\r
  }\r
\r
  virtual ANTLRAbstractToken *makeToken(ANTLRTokenType tt,\r
                      ANTLRChar *txt,\r
                      int line)\r
  {\r
    ANTLRAbstractToken *t = new ANTLRCommonToken(tt,txt);\r
    t->setLine(line);\r
    return t;\r
  }\r
\r
// MR9 THM Copy constructor required when heap allocated string is used with copy semantics\r
\r
   ANTLRCommonToken (const ANTLRCommonToken& from) :\r
         ANTLRRefCountToken(from) {\r
    setType(from._type);\r
   setLine(from._line);\r
     _text=NULL;\r
     setText(from._text);\r
  };\r
\r
// MR9 THM operator =() required when heap allocated string is used with copy semantics\r
\r
   virtual ANTLRCommonToken& operator =(const ANTLRCommonToken& rhs) {\r
\r
//////  MR15 WatCom can't hack use of operator =()\r
//////  Use this instead:   *( (ANTRLRRefCountToken *) this)=rhs;\r
\r
     *( (ANTLRRefCountToken *) this) = rhs;\r
\r
     setType(rhs._type);\r
    setLine(rhs._line);\r
     setText(rhs._text);\r
     return *this;\r
   };\r
};\r
\r
// used for backward compatibility\r
typedef ANTLRCommonToken ANTLRCommonBacktrackingToken;\r
\r
#endif\r