Merge remote-tracking branch 'origin/maint'

[bison.git] / lib / bitset.h

diff --git a/lib/bitset.h b/lib/bitset.h
index 3e52940c17f8dec50608a353292990f30a2db625..0bc55261123bf63bc86ac477d1c6b706e8042500 100644 (file)
--- a/lib/bitset.h
+++ b/lib/bitset.h
@@ -1,5 +1,7 @@
 /* Generic bitsets.
-   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+
+   Copyright (C) 2002-2004, 2009-2012 Free Software Foundation, Inc.
+
    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
 
    This program is free software: you can redistribute it and/or modify
@@ -31,11 +33,11 @@
 
 /* Attributes used to select a bitset implementation.  */
 enum bitset_attr {BITSET_FIXED = 1,    /* Bitset size fixed.  */
-                 BITSET_VARIABLE = 2, /* Bitset size variable.  */
-                 BITSET_DENSE = 4,    /* Bitset dense.  */
-                 BITSET_SPARSE = 8,   /* Bitset sparse.  */
-                 BITSET_FRUGAL = 16,  /* Prefer most compact.  */
-                 BITSET_GREEDY = 32}; /* Prefer fastest at memory expense.  */
+                  BITSET_VARIABLE = 2, /* Bitset size variable.  */
+                  BITSET_DENSE = 4,    /* Bitset dense.  */
+                  BITSET_SPARSE = 8,   /* Bitset sparse.  */
+                  BITSET_FRUGAL = 16,  /* Prefer most compact.  */
+                  BITSET_GREEDY = 32}; /* Prefer fastest at memory expense.  */
 
 typedef unsigned int bitset_attrs;
 
@@ -47,26 +49,26 @@ union bitset_union
 {
   /* This must be the first member of every other structure that is a
      member of this union.  */
-  struct bbitset_struct b;             /* Base bitset data.  */
+  struct bbitset_struct b;              /* Base bitset data.  */
 
   struct abitset_struct
   {
     struct bbitset_struct b;
-    bitset_word words[1];              /* The array of bits.  */
+    bitset_word words[1];               /* The array of bits.  */
   } a;
 
   struct ebitset_struct
   {
     struct bbitset_struct b;
-    bitset_windex size;                        /* Number of elements.  */
-    struct ebitset_elt_struct **elts;  /* Expanding array of ptrs to elts.  */
+    bitset_windex size;                 /* Number of elements.  */
+    struct ebitset_elt_struct **elts;   /* Expanding array of ptrs to elts.  */
   } e;
 
   struct lbitset_struct
   {
     struct bbitset_struct b;
-    struct lbitset_elt_struct *head;   /* First element in linked list.  */
-    struct lbitset_elt_struct *tail;   /* Last element in linked list.  */
+    struct lbitset_elt_struct *head;    /* First element in linked list.  */
+    struct lbitset_elt_struct *tail;    /* Last element in linked list.  */
   } l;
 
   struct bitset_stats_struct
@@ -78,7 +80,7 @@ union bitset_union
   struct vbitset_struct
   {
     struct bbitset_struct b;
-    bitset_windex size;                        /* Allocated size of array.  */
+    bitset_windex size;                 /* Allocated size of array.  */
   } v;
 
 };
@@ -114,7 +116,7 @@ extern void bitset_free (bitset);
 /* Create a bitset of desired type and size using an obstack.  The
    bitset is zeroed.  */
 extern bitset bitset_obstack_alloc (struct obstack *bobstack,
-                                   bitset_bindex, enum bitset_type);
+                                    bitset_bindex, enum bitset_type);
 
 /* Free bitset allocated on obstack.  */
 extern void bitset_obstack_free (bitset);
@@ -310,14 +312,14 @@ extern void bitset_dump (FILE *, bitset);
       printf ("%lu ", (unsigned long int) i);
    };
 */
-#define BITSET_FOR_EACH(ITER, BSET, INDEX, MIN)                                      \
-  for (ITER.next = (MIN), ITER.num = BITSET_LIST_SIZE;                       \
-       (ITER.num == BITSET_LIST_SIZE)                                        \
-       && (ITER.num = bitset_list (BSET, ITER.list,                          \
-                                  BITSET_LIST_SIZE, &ITER.next));)           \
-    for (ITER.i = 0;                                                         \
-        ITER.i < ITER.num && ((INDEX) = ITER.list[ITER.i], 1);               \
-        ITER.i++)
+#define BITSET_FOR_EACH(ITER, BSET, INDEX, MIN)                               \
+  for (ITER.next = (MIN), ITER.num = BITSET_LIST_SIZE;                        \
+       (ITER.num == BITSET_LIST_SIZE)                                         \
+       && (ITER.num = bitset_list (BSET, ITER.list,                           \
+                                   BITSET_LIST_SIZE, &ITER.next));)           \
+    for (ITER.i = 0;                                                          \
+         ITER.i < ITER.num && ((INDEX) = ITER.list[ITER.i], 1);               \
+         ITER.i++)
 
 
 /* Loop over all elements of BSET, in reverse order starting with
@@ -332,14 +334,14 @@ extern void bitset_dump (FILE *, bitset);
       printf ("%lu ", (unsigned long int) i);
    };
 */
-#define BITSET_FOR_EACH_REVERSE(ITER, BSET, INDEX, MIN)                              \
-  for (ITER.next = (MIN), ITER.num = BITSET_LIST_SIZE;                       \
-       (ITER.num == BITSET_LIST_SIZE)                                        \
-       && (ITER.num = bitset_list_reverse (BSET, ITER.list,                  \
-                                          BITSET_LIST_SIZE, &ITER.next));)   \
-    for (ITER.i = 0;                                                         \
-        ITER.i < ITER.num && ((INDEX) = ITER.list[ITER.i], 1);               \
-        ITER.i++)
+#define BITSET_FOR_EACH_REVERSE(ITER, BSET, INDEX, MIN)                       \
+  for (ITER.next = (MIN), ITER.num = BITSET_LIST_SIZE;                        \
+       (ITER.num == BITSET_LIST_SIZE)                                         \
+       && (ITER.num = bitset_list_reverse (BSET, ITER.list,                   \
+                                           BITSET_LIST_SIZE, &ITER.next));)   \
+    for (ITER.i = 0;                                                          \
+         ITER.i < ITER.num && ((INDEX) = ITER.list[ITER.i], 1);               \
+         ITER.i++)
 
 
 /* Define set operations in terms of logical operations.  */