Get rid of broken %no-parser, -n, and --no-parser implementation and

[bison.git] / src / closure.c

diff --git a/src/closure.c b/src/closure.c
index 001b8316a735f32cec1fc698ecfbd9906908f441..a6cc784a49c837d100c6fa9e053d001804bdb9db 100644 (file)
--- a/src/closure.c
+++ b/src/closure.c
@@ -1,6 +1,6 @@
 /* Closures for Bison
 
 /* Closures for Bison
 

-   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2004, 2005 Free
+   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2004, 2005, 2007 Free

    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -37,7 +37,7 @@
 
 /* NITEMSET is the size of the array ITEMSET.  */
 item_number *itemset;
 
 /* NITEMSET is the size of the array ITEMSET.  */
 item_number *itemset;

-size_t nritemset;
+size_t nitemset;

 
 static bitset ruleset;
 
 
 static bitset ruleset;
 


@@ -213,30 +213,32 @@ closure (item_number *core, size_t n)
     if (ISVAR (ritem[core[c]]))
       bitset_or (ruleset, ruleset, FDERIVES (ritem[core[c]]));
 
     if (ISVAR (ritem[core[c]]))
       bitset_or (ruleset, ruleset, FDERIVES (ritem[core[c]]));
 

-  nritemset = 0;
+  /* core is sorted on item index in ritem, which is sorted on rule number.
+     Compute itemset with the same sort.  */
+  nitemset = 0;

   c = 0;
   BITSET_FOR_EACH (iter, ruleset, ruleno, 0)
     {
       item_number itemno = rules[ruleno].rhs - ritem;
       while (c < n && core[c] < itemno)
        {
   c = 0;
   BITSET_FOR_EACH (iter, ruleset, ruleno, 0)
     {
       item_number itemno = rules[ruleno].rhs - ritem;
       while (c < n && core[c] < itemno)
        {

-         itemset[nritemset] = core[c];
-         nritemset++;
+         itemset[nitemset] = core[c];
+         nitemset++;

          c++;
        }
          c++;
        }

-      itemset[nritemset] = itemno;
-      nritemset++;
+      itemset[nitemset] = itemno;
+      nitemset++;

     };
 
   while (c < n)
     {
     };
 
   while (c < n)
     {

-      itemset[nritemset] = core[c];
-      nritemset++;
+      itemset[nitemset] = core[c];
+      nitemset++;

       c++;
     }
 
   if (trace_flag & trace_sets)
       c++;
     }
 
   if (trace_flag & trace_sets)

-    print_closure ("output", itemset, nritemset);
+    print_closure ("output", itemset, nitemset);

 }
 
 
 }