Rename %before-definitions to %start-header and %after-definitions to

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 1e8fa56952ae27fd1d1d69567bd8c5436aa1f9c1..357588ce65cf550309c0e2277874310d4ac79d17 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -160,8 +160,6 @@ m4_if(b4_prefix, [yy], [],
 #define yynerrs b4_prefix[]nerrs
 b4_locations_if([#define yylloc b4_prefix[]lloc])])[
 
-]b4_token_enums_defines(b4_tokens)[
-
 /* Copy the first part of user declarations.  */
 ]b4_pre_prologue[
 
@@ -183,9 +181,15 @@ b4_locations_if([#define yylloc b4_prefix[]lloc])])[
 # define YYTOKEN_TABLE ]b4_token_table[
 #endif
 
+]m4_ifdef([b4_start_header],
+[[/* Copy the %start-header blocks.  */
+]b4_start_header])[]dnl
+
+b4_token_enums_defines(b4_tokens)[
+
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 ]m4_ifdef([b4_stype],
-[typedef union[]m4_bregexp(b4_stype, [^{], [ YYSTYPE])
+[[typedef union ]b4_union_name
 b4_stype
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])
@@ -207,14 +211,17 @@ typedef struct YYLTYPE
 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
 # define YYLTYPE_IS_DECLARED 1
 # define YYLTYPE_IS_TRIVIAL 1
-#endif
-])[
+#endif])
 
-/* Copy the second part of user declarations.  */
+m4_ifdef([b4_end_header],
+[[/* Copy the %end-header blocks.  */
+]b4_end_header])[]dnl
+
+[/* Copy the second part of user declarations.  */
 ]b4_post_prologue
 
-/* Line __line__ of yacc.c.  */
-b4_syncline([@oline@], [@ofile@])[
+[/* Line __line__ of yacc.c.  */
+]b4_syncline([@oline@], [@ofile@])[
 
 #ifdef short
 # undef short
@@ -964,15 +971,15 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 # Declare the variables that are global, or local to YYPARSE if
 # pure-parser.
 m4_define([b4_declare_parser_variables],
-[/* The look-ahead symbol.  */
+[/* The lookahead symbol.  */
 int yychar;
 
-/* The semantic value of the look-ahead symbol.  */
+/* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
 
 /* Number of syntax errors so far.  */
 int yynerrs;b4_locations_if([
-/* Location data for the look-ahead symbol.  */
+/* Location data for the lookahead symbol.  */
 YYLTYPE yylloc;])
 ])
 m4_divert_pop([KILL])dnl# ====================== End of M4 code.
@@ -997,7 +1004,7 @@ b4_c_function_def([yyparse], [int], b4_parse_param)
   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;
-  /* Look-ahead token as an internal (translated) token number.  */
+  /* Lookahead token as an internal (translated) token number.  */
   int yytoken = 0;
 #if YYERROR_VERBOSE
   /* Buffer for error messages, and its allocated size.  */
@@ -1168,16 +1175,16 @@ m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a
-     look-ahead token if we need one and don't already have one.  */
+     lookahead token if we need one and don't already have one.  */
 
-  /* First try to decide what to do without reference to look-ahead token.  */
+  /* First try to decide what to do without reference to lookahead token.  */
   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 
-  /* Not known => get a look-ahead token if don't already have one.  */
+  /* Not known => get a lookahead token if don't already have one.  */
 
-  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));
@@ -1217,7 +1224,7 @@ yybackup:
   if (yyerrstatus)
     yyerrstatus--;
 
-  /* Shift the look-ahead token.  */
+  /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
   /* Discard the shifted token unless it is eof.  */
@@ -1341,7 +1348,7 @@ yyerrlab:
 
   if (yyerrstatus == 3)
     {
-      /* If just tried and failed to reuse look-ahead token after an
+      /* If just tried and failed to reuse lookahead token after an
         error, discard it.  */
 
       if (yychar <= YYEOF)
@@ -1358,7 +1365,7 @@ yyerrlab:
        }
     }
 
-  /* Else will try to reuse look-ahead token after shifting the error
+  /* Else will try to reuse lookahead token after shifting the error
      token.  */
   goto yyerrlab1;
 
@@ -1423,7 +1430,7 @@ yyerrlab1:
 ]b4_locations_if([[
   yyerror_range[1] = yylloc;
   /* Using YYLLOC is tempting, but would change the location of
-     the look-ahead.  YYLOC is available though.  */
+     the lookahead.  YYLOC is available though.  */
   YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
   *++yylsp = yyloc;]])[
 
@@ -1491,22 +1498,26 @@ b4_defines_if(
 b4_copyright([Skeleton interface for Bison's Yacc-like parsers in C],dnl '
   [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])
 
+m4_ifdef([b4_start_header],
+[[/* Copy the %start-header blocks.  */
+]b4_start_header])[]dnl
+
 b4_token_enums_defines(b4_tokens)
 
-#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-m4_ifdef([b4_stype],
-[typedef union[]m4_bregexp(b4_stype, [^{], [ YYSTYPE])
+[#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+]m4_ifdef([b4_stype],
+[[typedef union ]b4_union_name
 b4_stype
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])
        YYSTYPE;],
-[typedef int YYSTYPE;])
+[typedef int YYSTYPE;])[
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
 # define YYSTYPE_IS_TRIVIAL 1
 #endif
 
-b4_pure_if([],
+]b4_pure_if([],
 [extern YYSTYPE b4_prefix[]lval;])
 
 b4_locations_if(
@@ -1523,7 +1534,11 @@ typedef struct YYLTYPE
 # define YYLTYPE_IS_TRIVIAL 1
 #endif
 
-b4_pure_if([],
+]b4_pure_if([],
           [extern YYLTYPE b4_prefix[]lloc;])
-])dnl b4_locations_if
+)dnl b4_locations_if
+
+m4_ifdef([b4_end_header],
+[[/* Copy the %end-header blocks.  */
+]b4_end_header])[]dnl
 ])dnl b4_defines_if