kc3-lang/libxkbcommon/src/xkbcomp/parseutils.h

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• Author : Ran Benita
  Date : 2012-03-27 22:41:22
  Hash : bb6ca768
  Message : Make parser and scanner reentrant All global state is removed from the parser and scanner. This makes use of the standard facilities in Bison and Flex for reentrant/pure scanner/lexer and location tracking. Signed-off-by: Ran Benita <ran234@gmail.com> [daniels: Updated to current sources.]

• src/xkbcomp/parseutils.h

• /************************************************************
   Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
  
   Permission to use, copy, modify, and distribute this
   software and its documentation for any purpose and without
   fee is hereby granted, provided that the above copyright
   notice appear in all copies and that both that copyright
   notice and this permission notice appear in supporting
   documentation, and that the name of Silicon Graphics not be
   used in advertising or publicity pertaining to distribution
   of the software without specific prior written permission.
   Silicon Graphics makes no representation about the suitability
   of this software for any purpose. It is provided "as is"
   without any express or implied warranty.
  
   SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
   SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
   AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
   GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
   DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
   DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
   OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
   THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
   ********************************************************/
  
  #ifndef XKBPARSE_H
  #define	XKBPARSE_H 1
  
  #include "xkbcomp.h"
  #include "xkbparse.h"
  
  struct parser_param {
      void *scanner;
      XkbFile *rtrn;
  };
  
  struct scanner_extra {
      char *scanFile;
      /* FIXME: This can overflow! */
      char scanBuf[8192];
      char *s;
  };
  
  extern ParseCommon *AppendStmt(ParseCommon * /* to */ ,
                                 ParseCommon *    /* append */
      );
  
  extern ExprDef *ExprCreate(unsigned /* op */ ,
                             unsigned     /* type */
      );
  
  extern ExprDef *ExprCreateUnary(unsigned /* op */ ,
                                  unsigned /* type */ ,
                                  ExprDef *       /* child */
      );
  
  extern ExprDef *ExprCreateBinary(unsigned /* op */ ,
                                   ExprDef * /* left */ ,
                                   ExprDef *      /* right */
      );
  
  extern KeycodeDef *KeycodeCreate(char * /* name */ ,
                                   unsigned long /* value */
      );
  
  extern KeyAliasDef *KeyAliasCreate(char * /* alias */ ,
                                     char *       /* real */
      );
  
  extern VModDef *VModCreate(xkb_atom_t /* name */ ,
                             ExprDef *    /* value */
      );
  
  extern VarDef *VarCreate(ExprDef * /* name */ ,
                           ExprDef *      /* value */
      );
  
  extern VarDef *BoolVarCreate(xkb_atom_t /* nameToken */ ,
                               unsigned   /* set */
      );
  
  extern InterpDef *InterpCreate(char * /* sym */ ,
                                 ExprDef *        /* match */
      );
  
  extern KeyTypeDef *KeyTypeCreate(xkb_atom_t /* name */ ,
                                   VarDef *       /* body */
      );
  
  extern SymbolsDef *SymbolsCreate(char * /* keyName */ ,
                                   ExprDef *      /* symbols */
      );
  
  extern GroupCompatDef *GroupCompatCreate(int /* group */ ,
                                           ExprDef *      /* def */
      );
  
  extern ModMapDef *ModMapCreate(uint32_t /* modifier */ ,
                                 ExprDef *        /* keys */
      );
  
  extern IndicatorMapDef *IndicatorMapCreate(xkb_atom_t /* name */ ,
                                             VarDef *     /* body */
      );
  
  extern IndicatorNameDef *IndicatorNameCreate(int /* ndx */ ,
                                               ExprDef * /* name */ ,
                                               Bool       /* virtual */
      );
  
  extern ExprDef *ActionCreate(xkb_atom_t /* name */ ,
                               ExprDef *  /* args */
      );
  
  extern ExprDef *CreateKeysymList(char * /* sym */
      );
  
  extern ExprDef *AppendKeysymList(ExprDef * /* list */ ,
                                   char * /* sym */
      );
  
  extern int LookupKeysym(char * /* str */ ,
                          xkb_keysym_t *        /* sym_rtrn */
      );
  
  extern IncludeStmt *IncludeCreate(char * /* str */ ,
                                    unsigned      /* merge */
      );
  
  extern unsigned StmtSetMerge(ParseCommon * /* stmt */ ,
                               unsigned   /* merge */,
                               YYLTYPE *  /* loc */,
                               void *     /* scanner */
      );
  
  #ifdef DEBUG
  extern void PrintStmtAddrs(ParseCommon *        /* stmt */
      );
  #endif
  
  extern int XKBParseFile(FILE * /* file */ ,
                          const char *    /* fileName */,
                          XkbFile **      /* pRtrn */
      );
  
  extern int XKBParseString(const char *string, const char *fileName,
                            XkbFile ** pRtrn);
  
  extern void CheckDefaultMap(XkbFile * maps, const char *fileName);
  
  extern XkbFile *CreateXKBFile(int /* type */ ,
                                char * /* name */ ,
                                ParseCommon * /* defs */ ,
                                unsigned  /* flags */
      );
  
  extern void FreeXKBFile(XkbFile *file);
  
  extern void FreeStmt(ParseCommon * /* stmt */
      );
  
  extern void yyerror(struct YYLTYPE *loc, void *scanner, const char *msg);
  
  #endif /* XKBPARSE_H */