doc: create a new Tuning LR section in the manual.

[bison.git] / src / gram.c

diff --git a/src/gram.c b/src/gram.c
index 1f2885f07d37929b7019f5dc252e85bdc79fb818..76acceec15ff94710fcf7eb0378590f6f245549d 100644 (file)
--- a/src/gram.c
+++ b/src/gram.c
@@ -1,7 +1,7 @@
 /* Allocate input grammar variables for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005, 2006
-   2007 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2011 Free Software
+   Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -23,11 +23,12 @@
 
 #include <quotearg.h>
 
+#include "complain.h"
 #include "gram.h"
+#include "print-xml.h"
 #include "reader.h"
 #include "reduce.h"
 #include "symtab.h"
-#include "print-xml.h"
 
 /* Comments for these variables are in gram.h.  */
 
@@ -121,8 +122,7 @@ rule_rhs_print_xml (rule *r, FILE *out, int level)
       item_number *rp;
       xml_puts (out, level, "<rhs>");
       for (rp = r->rhs; *rp >= 0; rp++)
-       xml_printf (out, level + 1, "<symbol class=\"%s\">%s</symbol>",
-                   symbol_class_get_string (symbols[*rp]),
+       xml_printf (out, level + 1, "<symbol>%s</symbol>",
                    xml_escape (symbols[*rp]->tag));
       xml_puts (out, level, "</rhs>");
     }
@@ -221,8 +221,13 @@ grammar_rules_print_xml (FILE *out, int level)
           usefulness = "useless-in-parser";
         else
           usefulness = "useful";
-        xml_printf (out, level + 2, "<rule number=\"%d\" usefulness=\"%s\">",
-                    rules[r].number, usefulness);
+        xml_indent (out, level + 2);
+        fprintf (out, "<rule number=\"%d\" usefulness=\"%s\"",
+                 rules[r].number, usefulness);
+        if (rules[r].precsym)
+          fprintf (out, " percent_prec=\"%s\"",
+                   xml_escape (rules[r].precsym->tag));
+        fputs (">\n", out);
       }
       rule_lhs_print_xml (&rules[r], out, level + 3);
       rule_rhs_print_xml (&rules[r], out, level + 3);
@@ -304,9 +309,9 @@ grammar_rules_useless_report (const char *message)
   for (r = 0; r < nrules ; ++r)
     if (!rules[r].useful)
       {
-       location_print (stderr, rules[r].location);
-       fprintf (stderr, ": %s: %s: ", _("warning"), message);
-       rule_print (&rules[r], stderr);
+        warn_at (rules[r].location, "%s: ", message);
+        rule_print (&rules[r], stderr);
+        fflush (stderr);
       }
 }