usr/src/cmd/mdb/common/mdb/mdb_lex.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _MDB_LEX_H
  28 #define _MDB_LEX_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <mdb/mdb_argvec.h>
  33 #include <mdb/mdb_nv.h>
  34 #include <mdb/mdb_types.h>
  35 #include <mdb/mdb_module.h>
  36 #include <stdio.h>
  37
  38 #ifdef  __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 #ifdef _MDB
  43
  44 extern void mdb_lex_debug(int);
  45 extern void mdb_lex_reset(void);
  46
  47 extern void yyerror(const char *, ...);
  48 extern void yyperror(const char *, ...);
  49 extern void yydiscard(void);
  50
  51 extern int yyparse(void);
  52 extern int yywrap(void);
  53
  54
  55 struct mdb_lex_state;
  56 struct mdb_frame;
  57
  58 void mdb_lex_state_save(struct mdb_lex_state *);
  59 void mdb_lex_state_restore(struct mdb_lex_state *);
  60 void mdb_lex_state_create(struct mdb_frame *);
  61 void mdb_lex_state_destroy(struct mdb_frame *);
  62
  63 /*
  64  * The lex and yacc debugging code as generated uses printf and fprintf
  65  * for debugging output.  We redefine these to refer to our yyprintf
  66  * and yyfprintf routines, which are wrappers around mdb_iob_vprintf.
  67  */
  68
  69 #define printf  (void) yyprintf
  70 #define fprintf (void) yyfprintf
  71
  72 extern int yyprintf(const char *, ...);
  73 extern int yyfprintf(FILE *, const char *, ...);
  74
  75 extern int yylineno;
  76
  77 /*
  78  * Maximum depth we can have in our yacc state stack.  The yacc default is 150,
  79  * but this should be more than enough for our simple mdb expressions.
  80  */
  81 #define YYMAXDEPTH      100
  82 /*
  83  * Maximum size of our lex yytext buffer.
  84  */
  85 #define YYLMAX          BUFSIZ
  86
  87 #endif /* _MDB */
  88
  89 #ifdef  __cplusplus
  90 }
  91 #endif
  92
  93 #endif  /* _MDB_LEX_H */