/[bison]/bison/data/yacc.c
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Diff of /bison/data/yacc.c

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revision 1.2 by akim, Fri Jun 28 09:05:11 2002 UTC revision 1.3 by akim, Fri Jun 28 17:27:29 2002 UTC
# Line 1  Line 1 
1  m4_divert(-1)                                                       -*- C -*-  m4_divert(-1)                                                       -*- C -*-
2    m4_include([c.m4])
3    
4  # Yacc compatible skeleton for Bison  # Yacc compatible skeleton for Bison
5  # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc.  # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc.
# Line 18  m4_divert(-1) Line 19  m4_divert(-1)
19  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20  # 02111-1307  USA  # 02111-1307  USA
21    
 # b4_sint_type(MAX)  
 # -----------------  
 # Return the smallest signed int type able to handle the number MAX.  
 m4_define([b4_sint_type],  
 [m4_if(m4_eval([$1 <= 127]),        [1], [signed char],  
        m4_eval([$1 <= 32767]),      [1], [signed short],  
        [signed int])])  
   
   
 # b4_uint_type(MAX)  
 # -----------------  
 # Return the smallest unsigned int type able to handle the number MAX.  
 m4_define([b4_uint_type],  
 [m4_if(m4_eval([$1 <= 255]),        [1], [unsigned char],  
        m4_eval([$1 <= 65535]),      [1], [unsigned short],  
        [unsigned int])])  
   
   
22  # b4_lhs_value([TYPE])  # b4_lhs_value([TYPE])
23  # --------------------  # --------------------
24  # Expansion of $<TYPE>$.  # Expansion of $<TYPE>$.
# Line 118  m4_define_default([b4_header_guard], Line 101  m4_define_default([b4_header_guard],
101                                  [[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]], [_])])                                  [[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]], [_])])
102    
103    
 ## ------------------------- ##  
 ## Assigning token numbers.  ##  
 ## ------------------------- ##  
   
 # b4_token_define(TOKEN-NAME, TOKEN-NUMBER)  
 # -----------------------------------------  
 # Output the definition of this token as #define.  
 m4_define([b4_token_define],  
 [#define $1 $2  
 ])  
   
   
 # b4_token_enum(TOKEN-NAME, TOKEN-NUMBER)  
 # ---------------------------------------  
 # Output the definition of this token as an enum.  
 m4_define([b4_token_enum],  
 [$1 = $2])  
   
   
 # b4_token_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)  
 # -------------------------------------------------------  
 # Output the definition of the tokens (if there are) as enums and #define.  
 m4_define([b4_token_defines],  
 [m4_if([$@], [[]], [],  
 [/* Tokens.  */  
 #ifndef YYTOKENTYPE  
 # if defined (__STDC__) || defined (__cplusplus)  
    /* Put the tokens into the symbol table, so that GDB and other debuggers  
       know about them.  */  
    enum yytokentype {  
 m4_map_sep([     b4_token_enum], [,  
 ],  
            [$@])  
    };  
 # endif  
   /* POSIX requires `int' for tokens in interfaces.  */  
 # define YYTOKENTYPE int  
 #endif /* !YYTOKENTYPE */  
 m4_map([b4_token_define], [$@])  
 ])  
 ])  
   
104    
105  ## --------------------------------------------------------- ##  ## --------------------------------------------------------- ##
106  ## Defining symbol actions, e.g., printers and destructors.  ##  ## Defining symbol actions, e.g., printers and destructors.  ##
# Line 185  m4_popdef([b4_dollar_dollar])dnl Line 126  m4_popdef([b4_dollar_dollar])dnl
126    
127  m4_divert(0)dnl  m4_divert(0)dnl
128  #output "b4_output_parser_name"  #output "b4_output_parser_name"
129  /* A Bison parser, made from b4_filename  b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
130     by GNU bison b4_version.  */               [1984, 1989, 1990, 2000, 2001, 2002])
131    
132  /* Skeleton output parser for Bison,  /* Written by Richard Stallman by simplifying the original so called
133     Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software     ``semantic'' parser.  */
    Foundation, Inc.  
   
    This program is free software; you can redistribute it and/or modify  
    it under the terms of the GNU General Public License as published by  
    the Free Software Foundation; either version 2, or (at your option)  
    any later version.  
   
    This program is distributed in the hope that it will be useful,  
    but WITHOUT ANY WARRANTY; without even the implied warranty of  
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  
    GNU General Public License for more details.  
   
    You should have received a copy of the GNU General Public License  
    along with this program; if not, write to the Free Software  
    Foundation, Inc., 59 Temple Place - Suite 330,  
    Boston, MA 02111-1307, USA.  */  
   
 /* As a special exception, when this file is copied by Bison into a  
    Bison output file, you may use that output file without restriction.  
    This special exception was added by the Free Software Foundation  
    in version 1.24 of Bison.  */  
   
 /* This is the parser code that is written into each bison parser when  
    the %semantic_parser declaration is not specified in the grammar.  
    It was written by Richard Stallman by simplifying the original so  
    called ``semantic'' parser.  */  
134    
135  /* All symbols defined below should begin with yy or YY, to avoid  /* All symbols defined below should begin with yy or YY, to avoid
136     infringing on user name space.  This should be done even for local     infringing on user name space.  This should be done even for local
# Line 1315  m4_map([b4_symbol_actions], m4_defn([b4_ Line 1230  m4_map([b4_symbol_actions], m4_defn([b4_
1230    
1231  b4_epilogue  b4_epilogue
1232  m4_if(b4_defines_flag, 0, [],  m4_if(b4_defines_flag, 0, [],
1233  [#output "b4_output_header_name"  [b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
1234                  [1984, 1989, 1990, 2000, 2001, 2002])
1235    #output "b4_output_header_name"
1236  #ifndef b4_header_guard  #ifndef b4_header_guard
1237  # define b4_header_guard  # define b4_header_guard
1238    

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