Clean up.

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index e880a8a96d16aeeda3819ef514628765074e56b0..3f5ef7203659ddf1787e33a8dbe98be9f9d39a74 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -1,4 +1,4 @@
-m4_divert(-1)                                                -*- C -*-
+                                                             -*- C -*-
 
 # Yacc compatible skeleton for Bison
 
@@ -21,7 +21,7 @@ m4_divert(-1)                                                -*- C -*-
 # 02110-1301  USA
 
 # Handle BISON_USE_PUSH_FOR_PULL for the test suite.
-b4_use_push_for_pull_if([m4_include(b4_pkgdatadir/[push.c])m4_exit])
+b4_use_push_for_pull_if([m4_include(b4_pkgdatadir/[push.c])], [
 
 m4_include(b4_pkgdatadir/[c.m4])
 
@@ -136,8 +136,8 @@ m4_define([b4_rhs_location],
 
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()
-m4_divert(0)dnl
-@output b4_parser_file_name
+m4_divert_push(0)dnl
+@output(b4_parser_file_name@)
 b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],dnl '
   [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])[
 
@@ -152,6 +152,7 @@ b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],dnl '
    USER NAME SPACE" below.  */
 
 ]b4_identification
+b4_percent_code_get([[top]])[]dnl
 m4_if(b4_prefix, [yy], [],
 [/* Substitute the variable and function names.  */
 #define yyparse b4_prefix[]parse
@@ -184,17 +185,16 @@ b4_locations_if([#define yylloc b4_prefix[]lloc])])[
 # define YYTOKEN_TABLE ]b4_token_table[
 #endif
 
-]m4_ifdef([b4_requires],
-[[/* Copy the %requires blocks.  */
-]b4_user_requires])[]dnl
+]b4_percent_code_get([[requires]])[]dnl
 
 b4_token_enums_defines(b4_tokens)[
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 ]m4_ifdef([b4_stype],
 [[typedef union ]b4_union_name[
+{
 ]b4_user_stype[
-       YYSTYPE;
+} YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1]],
 [m4_if(b4_tag_seen_flag, 0,
 [[typedef int YYSTYPE;
@@ -216,14 +216,13 @@ typedef struct YYLTYPE
 # define YYLTYPE_IS_TRIVIAL 1
 #endif])
 
-m4_ifdef([b4_provides],
-[[/* Copy the %provides blocks.  */
-]b4_user_provides])[]dnl
+b4_percent_code_get([[provides]])[]dnl
 
 [/* Copy the second part of user declarations.  */
-]b4_user_post_prologue[
+]b4_user_post_prologue
+b4_percent_code_get[]dnl
 
-#ifdef short
+[#ifdef short
 # undef short
 #endif
 
@@ -1488,21 +1487,20 @@ yyreturn:
 
 b4_epilogue
 b4_defines_if(
-[@output b4_spec_defines_file
+[@output(b4_spec_defines_file@)
 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_requires],
-[[/* Copy the %requires blocks.  */
-]b4_user_requires])[]dnl
+b4_percent_code_get([[requires]])[]dnl
 
 b4_token_enums_defines(b4_tokens)
 
 [#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 ]m4_ifdef([b4_stype],
 [[typedef union ]b4_union_name[
+{
 ]b4_user_stype[
-       YYSTYPE;
+} YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1]],
 [m4_if(b4_tag_seen_flag, 0,
 [[typedef int YYSTYPE;
@@ -1532,7 +1530,8 @@ typedef struct YYLTYPE
           [extern YYLTYPE b4_prefix[]lloc;])
 )dnl b4_locations_if
 
-m4_ifdef([b4_provides],
-[[/* Copy the %provides blocks.  */
-]b4_user_provides])[]
+b4_percent_code_get([[provides]])
 ])dnl b4_defines_if
+m4_divert_pop(0)
+
+])dnl b4_use_push_for_pull_if