skeletons: simplify the handling of default api.location.type

[bison.git] / data / lalr1.java

diff --git a/data/lalr1.java b/data/lalr1.java
index 43e9b9705c694fc7f5ef0c748c0b45b44f7f062c..02079fd0a2f63efb1578f3bd2081fd6edc9fff71 100644 (file)
--- a/data/lalr1.java
+++ b/data/lalr1.java
@@ -30,8 +30,7 @@ m4_define([b4_symbol_no_destructor_assert],
                         [b4_symbol_action_location([$1], [destructor])])])])
 b4_symbol_foreach([b4_symbol_no_destructor_assert])
 
-m4_divert_push(0)dnl
-@output(b4_parser_file_name@)@
+b4_output_begin([b4_parser_file_name])
 b4_copyright([Skeleton implementation for Bison LALR(1) parsers in Java],
              [2007-2012])
 
@@ -133,7 +132,7 @@ b4_locations_if([[
     /** Token returned by the scanner to signal the end of its input.  */
     public static final int EOF = 0;
 
-]b4_token_enums(b4_tokens)[
+]b4_token_enums[
 
     ]b4_locations_if([[/**
      * Method to retrieve the beginning position of the last scanned token.
@@ -502,12 +501,10 @@ b4_lexer_if([[
     yyerrstatus_ = 0;
 
 ]m4_ifdef([b4_initial_action], [
-m4_pushdef([b4_at_dollar],     [yylloc])dnl
-m4_pushdef([b4_dollar_dollar], [yylval])dnl
+b4_dollar_pushdef([yylval], [], [yylloc])dnl
     /* User initialization code.  */
     b4_user_initial_action
-m4_popdef([b4_dollar_dollar])dnl
-m4_popdef([b4_at_dollar])])dnl
+b4_dollar_popdef])[]dnl
 
   [  /* Initialize the stack.  */
     yystack.push (yystate, yylval]b4_locations_if([, yylloc])[);
@@ -686,7 +683,7 @@ m4_popdef([b4_at_dollar])])dnl
               }
 
             /* Pop the current state because it cannot handle the error token.  */
-            if (yystack.height == 1)
+            if (yystack.height == 0)
               return false;
 
             ]b4_locations_if([yyerrloc = yystack.locationAt (0);])[
@@ -728,11 +725,6 @@ m4_popdef([b4_at_dollar])])dnl
     if (yyErrorVerbose)
       {
         /* There are many possibilities here to consider:
-           - Assume YYFAIL is not used.  It's too flawed to consider.
-             See
-             <http://lists.gnu.org/archive/html/bison-patches/2009-12/msg00024.html>
-             for details.  YYERROR is fine as it does not invoke this
-             function.
            - If this state is a consistent state with a default action,
              then the only way this function was invoked is if the
              default action is an error action.  In that case, don't
@@ -848,7 +840,7 @@ m4_popdef([b4_at_dollar])])dnl
     /* The symbols being reduced.  */
     for (int yyi = 0; yyi < yynrhs; yyi++)
       yy_symbol_print ("   $" + (yyi + 1) + " =",
-                       yystos_[yystack.stateAt(yyi + 1 - yynrhs)],
+                       yystos_[yystack.stateAt(yynrhs - (yyi + 1))],
                        ]b4_rhs_value(yynrhs, yyi + 1)b4_locations_if([,
                        b4_rhs_location(yynrhs, yyi + 1)])[);
   }
@@ -881,4 +873,4 @@ b4_percent_code_get[]dnl
 }
 
 b4_epilogue[]dnl
-m4_divert_pop(0)dnl
+b4_output_end()