/[bison]/bison/data/glr.c
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revision 1.30 by eggert, Sun Nov 10 04:31:38 2002 UTC revision 1.31 by eggert, Tue Nov 12 07:19:56 2002 UTC
# Line 115  m4_define([b4_lhs_value], Line 115  m4_define([b4_lhs_value],
115  # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH  # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
116  # symbols on RHS.  # symbols on RHS.
117  m4_define([b4_rhs_value],  m4_define([b4_rhs_value],
118  [yyvsp@<:@m4_eval([$2 - $1])@:>@.yystate.yysemantics.yysval[]m4_ifval([$3], [.$3])])  [yyvsp@{m4_eval([$2 - $1])@}.yystate.yysemantics.yysval[]m4_ifval([$3], [.$3])])
119    
120    
121    
# Line 135  m4_define([b4_lhs_location], Line 135  m4_define([b4_lhs_location],
135  # Expansion of @NUM, where the current rule has RULE-LENGTH symbols  # Expansion of @NUM, where the current rule has RULE-LENGTH symbols
136  # on RHS.  # on RHS.
137  m4_define([b4_rhs_location],  m4_define([b4_rhs_location],
138  [yyvsp@<:@m4_eval([$2 - $1])@:>@.yystate.yyloc])  [yyvsp@{m4_eval([$2 - $1])@}.yystate.yyloc])
   
   
   
 ## ------------------- ##  
 ## Output file names.  ##  
 ## ------------------- ##  
   
 m4_define_default([b4_input_suffix], [.y])  
   
 m4_define_default([b4_output_parser_suffix],  
 [m4_translit(b4_input_suffix, [yY], [cC])])  
   
 m4_define_default([b4_output_parser_name],  
 [b4_output_prefix[]b4_output_infix[]b4_output_parser_suffix[]])  
   
   
 m4_define_default([b4_output_header_suffix],  
 [m4_translit(b4_input_suffix, [yY], [hH])])  
   
 m4_define_default([b4_output_header_name],  
 [b4_output_prefix[]b4_output_infix[]b4_output_header_suffix[]])  
   
 m4_define_default([b4_header_guard],  
                   [m4_bpatsubst(m4_toupper([BISON_]b4_output_header_name),  
                                 [[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]], [_])])  
139    
140    
141  # We do want M4 expansion after # for CPP macros.  # We do want M4 expansion after # for CPP macros.
142  m4_changecom()  m4_changecom()
143  m4_divert(0)dnl  m4_divert(0)dnl
144  #output "b4_output_parser_name"  @output @output_parser_name@
145  b4_copyright([Skeleton parser for GLR parsing with Bison], [2002])  b4_copyright([Skeleton parser for GLR parsing with Bison], [2002])
146  [  [
147  /* This is the parser code for GLR (Generalized LR) parser. */  /* This is the parser code for GLR (Generalized LR) parser. */
# Line 214  b4_pre_prologue[ Line 189  b4_pre_prologue[
189  [b4_syncline([b4_stype_line], [b4_filename])  [b4_syncline([b4_stype_line], [b4_filename])
190  typedef union b4_stype yystype;  typedef union b4_stype yystype;
191  /* Line __line__ of __file__.  */  /* Line __line__ of __file__.  */
192  b4_syncline([__oline__], [__ofile__])],  b4_syncline([@oline@], [@ofile@])],
193  [typedef int yystype;])[  [typedef int yystype;])[
194  # define YYSTYPE yystype  # define YYSTYPE yystype
195  # define YYSTYPE_IS_TRIVIAL 1  # define YYSTYPE_IS_TRIVIAL 1
# Line 234  typedef struct yyltype Line 209  typedef struct yyltype
209    
210  /* Default (constant) values used for initialization for null  /* Default (constant) values used for initialization for null
211     right-hand sides.  Unlike the standard bison.simple template,     right-hand sides.  Unlike the standard bison.simple template,
212     here we set the default values of the $$ and $@ to zeroed-out     here we set the default values of $$ and $@@ to zeroed-out
213     values.  Since the default value of these quantities is undefined,     values.  Since the default value of these quantities is undefined,
214     this behavior is technically correct. */     this behavior is technically correct. */
215  static YYSTYPE yyval_default;  static YYSTYPE yyval_default;
# Line 244  static YYLTYPE yyloc_default; Line 219  static YYLTYPE yyloc_default;
219  ]b4_post_prologue[  ]b4_post_prologue[
220    
221  ]/* Line __line__ of __file__.  */  ]/* Line __line__ of __file__.  */
222  b4_syncline([__oline__], [__ofile__])  b4_syncline([@oline@], [@ofile@])
223  [  [
224  #if ! defined (__cplusplus)  #if ! defined (__cplusplus)
225     typedef char bool;     typedef char bool;
# Line 615  yytokenName (yySymbol yytoken) Line 590  yytokenName (yySymbol yytoken)
590  /** Perform user action for rule number YYN, with RHS length YYRHSLEN,  /** Perform user action for rule number YYN, with RHS length YYRHSLEN,
591   *  and top stack item YYVSP.  YYLVALP points to place to put semantic   *  and top stack item YYVSP.  YYLVALP points to place to put semantic
592   *  value ($$), and yylocp points to place for location information   *  value ($$), and yylocp points to place for location information
593   *  (@$). Returns yyok for normal return, yyaccept for YYACCEPT,   *  (@@$). Returns yyok for normal return, yyaccept for YYACCEPT,
594   *  yyerr for YYERROR, yyabort for YYABORT. */   *  yyerr for YYERROR, yyabort for YYABORT. */
595  static YYRESULTTAG  static YYRESULTTAG
596  yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,  yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,
# Line 672  yyuserAction (yyRuleNum yyn, int yyrhsle Line 647  yyuserAction (yyRuleNum yyn, int yyrhsle
647  # undef yyclearin  # undef yyclearin
648  # undef YYRECOVERING  # undef YYRECOVERING
649  /* Line __line__ of __file__.  */  /* Line __line__ of __file__.  */
650  b4_syncline([__oline__], [__ofile__])  b4_syncline([@oline@], [@ofile@])
651  }  }
652    
653    
# Line 1867  yy_yypstack (yyGLRState* yys) Line 1842  yy_yypstack (yyGLRState* yys)
1842        yy_yypstack (yys->yypred);        yy_yypstack (yys->yypred);
1843        fprintf (stderr, " -> ");        fprintf (stderr, " -> ");
1844      }      }
1845    fprintf (stderr, "%d@%lu", yys->yylrState, (unsigned long) yys->yyposn);    fprintf (stderr, "%d@@%lu", yys->yylrState, (unsigned long) yys->yyposn);
1846  }  }
1847    
1848  static void  static void
# Line 1927  yypdumpstack (yyGLRStack* yystack) Line 1902  yypdumpstack (yyGLRStack* yystack)
1902    
1903  b4_epilogue  b4_epilogue
1904  m4_if(b4_defines_flag, 0, [],  m4_if(b4_defines_flag, 0, [],
1905  [#output "b4_output_header_name"  [@output @output_header_name@
1906  b4_copyright([Skeleton parser for GLR parsing with Bison], [2002])  b4_copyright([Skeleton parser for GLR parsing with Bison], [2002])
 #ifndef b4_header_guard  
 # define b4_header_guard  
1907    
1908  b4_token_defines(b4_tokens)  b4_token_defines(b4_tokens)
1909    
# Line 1939  m4_ifdef([b4_stype], Line 1912  m4_ifdef([b4_stype],
1912  [b4_syncline([b4_stype_line], [b4_filename])  [b4_syncline([b4_stype_line], [b4_filename])
1913  typedef union b4_stype yystype;  typedef union b4_stype yystype;
1914  /* Line __line__ of __file__.  */  /* Line __line__ of __file__.  */
1915  b4_syncline([__oline__], [__ofile__])],  b4_syncline([@oline@], [@ofile@])],
1916  [typedef int yystype;])  [typedef int yystype;])
1917  # define YYSTYPE yystype  # define YYSTYPE yystype
1918    # define YYSTYPE_IS_TRIVIAL 1
1919  #endif  #endif
1920    
1921  b4_pure_if([],  b4_pure_if([],
# Line 1962  typedef struct yyltype Line 1936  typedef struct yyltype
1936  m4_if(b4_pure, [0],  m4_if(b4_pure, [0],
1937  [extern YYLTYPE b4_prefix[]lloc;])  [extern YYLTYPE b4_prefix[]lloc;])
1938  ])  ])
 #endif /* not b4_header_guard */  
1939  ])  ])

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