formatting changes.

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 56be747aecf8a8650cabccda43748af0789b2da1..7e51b56f68d24e3ea26fc36b17945797701ca239 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -229,6 +229,8 @@ m4_define([b4_declare_parser_state_variables], [b4_pure_if([[
 
 # b4_declare_yyparse_push_
 # ------------------------
+# Declaration of yyparse (and dependencies) when using the push parser
+# (including in pull mode).
 m4_define([b4_declare_yyparse_push_],
 [[typedef struct ]b4_prefix[pstate ]b4_prefix[pstate;
 enum { YYPUSH_MORE = 4 };
@@ -274,12 +276,14 @@ m4_define([b4_declare_yyparse],
 # Declaration that might either go into the header (if --defines)
 # or open coded in the parser body.
 m4_define([b4_shared_declarations],
-[b4_declare_yydebug[
+[b4_cpp_guard_open([b4_spec_defines_file])[
+]b4_declare_yydebug[
 ]b4_percent_code_get([[requires]])[
 ]b4_token_enums_defines(b4_tokens)[
 ]b4_declare_yylstype[
 ]b4_declare_yyparse[
-]b4_percent_code_get([[provides]])[]dnl
+]b4_percent_code_get([[provides]])[
+]b4_cpp_guard_close([b4_spec_defines_file])[]dnl
 ])
 
 ## -------------- ##
@@ -304,7 +308,15 @@ b4_copyright([Bison implementation for Yacc-like parsers in C])[
 
 ]b4_identification
 b4_percent_code_get([[top]])[]dnl
-m4_if(b4_prefix, [yy], [],
+m4_if(b4_api_prefix, [yy], [],
+[[/* Substitute the type names.  */
+#define YYSTYPE              ]b4_api_PREFIX[STYPE
+#define YYSTYPE_IS_TRIVIAL   ]b4_api_PREFIX[STYPE_IS_TRIVIAL
+#define YYSTYPE_IS_DECLARED  ]b4_api_PREFIX[STYPE_IS_DECLARED]b4_locations_if([[
+#define YYLTYPE              ]b4_api_PREFIX[LTYPE
+#define YYLTYPE_IS_TRIVIAL   ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
+#define YYLTYPE_IS_DECLARED  ]b4_api_PREFIX[LTYPE_IS_DECLARED]])])[
+]m4_if(b4_prefix, [yy], [],
 [[/* Substitute the variable and function names.  */]b4_pull_if([[
 #define yyparse         ]b4_prefix[parse]])b4_push_if([[
 #define yypush_parse    ]b4_prefix[push_parse]b4_pull_if([[
@@ -317,8 +329,8 @@ m4_if(b4_prefix, [yy], [],
 #define yylval          ]b4_prefix[lval
 #define yychar          ]b4_prefix[char
 #define yydebug         ]b4_prefix[debug
-#define yynerrs         ]b4_prefix[nerrs
-]b4_locations_if([[#define yylloc          ]b4_prefix[lloc]])])[
+#define yynerrs         ]b4_prefix[nerrs]b4_locations_if([[
+#define yylloc          ]b4_prefix[lloc]])])[
 
 /* Copy the first part of user declarations.  */
 ]b4_user_pre_prologue[
@@ -333,13 +345,9 @@ m4_if(b4_prefix, [yy], [],
 # define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
 #endif
 
-/* Enabling the token table.  */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE ]b4_token_table[
-#endif
-
-]b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
-               [b4_shared_declarations])[
+/* In a future release of Bison, this section will be replaced
+   by #include "@basename(]b4_spec_defines_file[@)".  */
+]b4_shared_declarations[
 
 /* Copy the second part of user declarations.  */
 ]b4_user_post_prologue
@@ -589,7 +597,7 @@ static const ]b4_int_type_for([b4_translate])[ yytranslate[] =
      [YYRLINE[YYN] -- Source line where rule number YYN was defined.])[
 #endif
 
-#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+#if YYDEBUG || YYERROR_VERBOSE || ]b4_token_table_flag[
 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
 static const char *const yytname[] =
@@ -1997,11 +2005,7 @@ b4_defines_if(
 [@output(b4_spec_defines_file@)@
 b4_copyright([Bison interface for Yacc-like parsers in C])[
 
-]b4_cpp_guard_open([b4_spec_defines_file])[
 ]b4_shared_declarations[
-]b4_pure_if([], [[extern YYSTYPE ]b4_prefix[lval;
-]b4_locations_if([[extern YYLTYPE ]b4_prefix[lloc;]])])[
-]b4_cpp_guard_close([b4_spec_defines_file])[
 ]])dnl b4_defines_if
 m4_divert_pop(0)
 m4_popdef([b4_copyright_years])