* NEWS (2.3a+): Mention yesterday's state-removal change.

[bison.git] / data / lalr1.cc

diff --git a/data/lalr1.cc b/data/lalr1.cc
index e76077d60eacc11e853722b02ee5e0de20baeda7..63712265cb7a9fc91c1d3bcb0037f7259858c5f8 100644 (file)
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -1,8 +1,7 @@
-m4_divert(-1)
-
 # C++ skeleton for Bison
 
-# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software 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
@@ -21,9 +20,14 @@ m4_divert(-1)
 
 m4_include(b4_pkgdatadir/[c++.m4])
 
+m4_define([b4_parser_class_name],
+          [b4_percent_define_get([[parser_class_name]])])
+m4_define([b4_namespace],
+          [b4_percent_define_get([[namespace]])])
+
 # The header is mandatory.
 b4_defines_if([],
-              [m4_fatal(b4_skeleton[: using %defines is mandatory])])
+              [b4_fatal([b4_skeleton[: using %%defines is mandatory]])])
 
 # Backward compatibility.
 m4_define([b4_location_constructors])
@@ -31,9 +35,9 @@ m4_include(b4_pkgdatadir/[location.cc])
 
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()
-m4_divert(0)dnl
+m4_divert_push(0)dnl
 b4_defines_if(
-[@output @output_header_name@
+[@output(b4_spec_defines_file@)
 b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++],
   [2002, 2003, 2004, 2005, 2006])
 dnl FIXME: This is wrong, we want computed header guards.
@@ -43,9 +47,7 @@ dnl FIXME: This is wrong, we want computed header guards.
 #ifndef PARSER_HEADER_H
 # define PARSER_HEADER_H
 
-]m4_ifdef([b4_start_header],
-[[/* Copy the %start-header blocks.  */
-]b4_user_start_header])[
+]b4_percent_code_get([[requires]])[
 
 #include <string>
 #include <iostream>
@@ -107,8 +109,9 @@ namespace ]b4_namespace[
 #ifndef YYSTYPE
 ]m4_ifdef([b4_stype],
 [    union semantic_type
+    {
 b4_user_stype
-       ;],
+    };],
 [m4_if(b4_tag_seen_flag, 0,
 [[    typedef int semantic_type;]],
 [[    typedef YYSTYPE semantic_type;]])])[
@@ -116,7 +119,7 @@ b4_user_stype
     typedef YYSTYPE semantic_type;
 #endif
     /// Symbol locations.
-    typedef ]b4_location_type[ location_type;
+    typedef ]b4_percent_define_get([[location_type]])[ location_type;
     /// Tokens.
     struct token
     {
@@ -287,7 +290,7 @@ b4_error_verbose_if([, int tok])[);
   };
 }
 
-]m4_ifset([b4_global_tokens_and_yystype],
+]b4_percent_define_flag_if([[global_tokens_and_yystype]],
 [b4_token_defines(b4_tokens)
 
 #ifndef YYSTYPE
@@ -295,30 +298,30 @@ b4_error_verbose_if([, int tok])[);
 # define YYSTYPE b4_namespace::b4_parser_class_name::semantic_type
 #endif
 ])
-m4_ifdef([b4_end_header],
-[[/* Copy the %end-header blocks.  */
-]b4_end_header])[]dnl
+b4_percent_code_get([[provides]])[]dnl
 
 [#endif /* ! defined PARSER_HEADER_H */]
 ])dnl
-@output @output_parser_name@
+@output(b4_parser_file_name@)
 b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++],
   [2002, 2003, 2004, 2005, 2006])
+b4_percent_code_get([[top]])[]dnl
 m4_if(b4_prefix, [yy], [],
 [
 // Take the name prefix into account.
 #define yylex   b4_prefix[]lex])[
 
 /* First part of user declarations.  */
-]b4_pre_prologue
+]b4_user_pre_prologue
 
-b4_defines_if([
-#include @output_header_name@])[
+b4_defines_if([[
+#include "@basename(]b4_spec_defines_file[@)"]])[
 
 /* User implementation prologue.  */
-]b4_user_post_prologue[
+]b4_user_post_prologue
+b4_percent_code_get[]dnl
 
-#ifndef YY_
+[#ifndef YY_
 # if YYENABLE_NLS
 #  if ENABLE_NLS
 #   include <libintl.h> /* FIXME: INFRINGES ON USER NAME SPACE */
@@ -1010,7 +1013,7 @@ b4_error_verbose_if([, int tok])[)
     int yynrhs = yyr2_[yyrule];
     /* Print the symbols being reduced, and their result.  */
     *yycdebug_ << "Reducing stack by rule " << yyrule - 1
-              << " (line " << yylno << "), ";
+              << " (line " << yylno << "):" << std::endl;
     /* The symbols being reduced.  */
     for (int yyi = 0; yyi < yynrhs; yyi++)
       YY_SYMBOL_PRINT ("   $" << yyi + 1 << " =",
@@ -1052,7 +1055,7 @@ b4_error_verbose_if([, int tok])[)
 
 ]b4_epilogue
 dnl
-@output b4_dir_prefix[]stack.hh
+@output(b4_dir_prefix[]stack.hh@)
 b4_copyright([Stack handling for Bison parsers in C++],
   [2002, 2003, 2004, 2005, 2006])[
 
@@ -1151,4 +1154,4 @@ namespace ]b4_namespace[
 }
 
 #endif // not BISON_STACK_HH]
-m4_divert(-1)
+m4_divert_pop(0)