Return bool from more value methods

There are several more value methods that currently return 'int' but
that should return 'bool'.  This patch updates these.

Reviewed-By: Bruno Larsen <blarsen@redhat.com>

diff --git a/gdb/value.c b/gdb/value.c
index 55e893eedfa1861202d4ff5c6930538177a80024..e52d1d77b48ffc9cf1fa884831a6066b79c0a63f 100644 (file)
--- a/gdb/value.c
+++ b/gdb/value.c
@@ -70,7 +70,7 @@ struct internal_function
 /* Returns true if the ranges defined by [offset1, offset1+len1) and
    [offset2, offset2+len2) overlap.  */
 
-static int
+static bool
 ranges_overlap (LONGEST offset1, ULONGEST len1,
                LONGEST offset2, ULONGEST len2)
 {
@@ -84,7 +84,7 @@ ranges_overlap (LONGEST offset1, ULONGEST len1,
 /* Returns true if RANGES contains any range that overlaps [OFFSET,
    OFFSET+LENGTH).  */
 
-static int
+static bool
 ranges_contain (const std::vector<range> &ranges, LONGEST offset,
                ULONGEST length)
 {
@@ -132,7 +132,7 @@ ranges_contain (const std::vector<range> &ranges, LONGEST offset,
       const struct range &bef = *(i - 1);
 
       if (ranges_overlap (bef.offset, bef.length, offset, length))
-       return 1;
+       return true;
     }
 
   if (i < ranges.end ())
@@ -140,10 +140,10 @@ ranges_contain (const std::vector<range> &ranges, LONGEST offset,
       const struct range &r = *i;
 
       if (ranges_overlap (r.offset, r.length, offset, length))
-       return 1;
+       return true;
     }
 
-  return 0;
+  return false;
 }
 
 static struct cmd_list_element *functionlist;
@@ -169,7 +169,7 @@ value::arch () const
   return type ()->arch ();
 }
 
-int
+bool
 value::bits_available (LONGEST offset, ULONGEST length) const
 {
   gdb_assert (!m_lazy);
@@ -183,7 +183,7 @@ value::bits_available (LONGEST offset, ULONGEST length) const
           || ranges_contain (m_unavailable, offset, length));
 }
 
-int
+bool
 value::bytes_available (LONGEST offset, ULONGEST length) const
 {
   ULONGEST sign = (1ULL << (sizeof (ULONGEST) * 8 - 1)) / TARGET_CHAR_BIT;
@@ -197,7 +197,7 @@ value::bytes_available (LONGEST offset, ULONGEST length) const
   return bits_available (offset * TARGET_CHAR_BIT, length * TARGET_CHAR_BIT);
 }
 
-int
+bool
 value::bits_any_optimized_out (int bit_offset, int bit_length) const
 {
   gdb_assert (!m_lazy);
@@ -205,7 +205,7 @@ value::bits_any_optimized_out (int bit_offset, int bit_length) const
   return ranges_contain (m_optimized_out, bit_offset, bit_length);
 }
 
-int
+bool
 value::entirely_available ()
 {
   /* We can only tell whether the whole value is available when we try
@@ -214,13 +214,13 @@ value::entirely_available ()
     fetch_lazy ();
 
   if (m_unavailable.empty ())
-    return 1;
-  return 0;
+    return true;
+  return false;
 }
 
 /* See value.h.  */
 
-int
+bool
 value::entirely_covered_by_range_vector (const std::vector<range> &ranges)
 {
   /* We can only tell whether the whole value is optimized out /
@@ -234,10 +234,10 @@ value::entirely_covered_by_range_vector (const std::vector<range> &ranges)
 
       if (t.offset == 0
          && t.length == TARGET_CHAR_BIT * enclosing_type ()->length ())
-       return 1;
+       return true;
     }
 
-  return 0;
+  return false;
 }
 
 /* Insert into the vector pointed to by VECTORP the bit range starting of
@@ -1256,7 +1256,7 @@ value::contents_writeable ()
   return contents_raw ();
 }
 
-int
+bool
 value::optimized_out ()
 {
   if (m_lazy)

diff --git a/gdb/value.h b/gdb/value.h
index 5536e00332e75a7ac6e795425af1ecef42ba6461..f2a4907ab8119350f3126e04bc1f66b6c1b59319 100644 (file)
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -487,23 +487,23 @@ public:
 
   /* Given a value, determine whether the contents bytes starting at
      OFFSET and extending for LENGTH bytes are available.  This returns
-     nonzero if all bytes in the given range are available, zero if any
+     true if all bytes in the given range are available, false if any
      byte is unavailable.  */
-  int bytes_available (LONGEST offset, ULONGEST length) const;
+  bool bytes_available (LONGEST offset, ULONGEST length) const;
 
   /* Given a value, determine whether the contents bits starting at
      OFFSET and extending for LENGTH bits are available.  This returns
-     nonzero if all bits in the given range are available, zero if any
+     true if all bits in the given range are available, false if any
      bit is unavailable.  */
-  int bits_available (LONGEST offset, ULONGEST length) const;
+  bool bits_available (LONGEST offset, ULONGEST length) const;
 
   /* Like bytes_available, but return false if any byte in the
      whole object is unavailable.  */
-  int entirely_available ();
+  bool entirely_available ();
 
   /* Like entirely_available, but return false if any byte in the
      whole object is available.  */
-  int entirely_unavailable ()
+  bool entirely_unavailable ()
   { return entirely_covered_by_range_vector (m_unavailable); }
 
   /* Mark this value's content bytes starting at OFFSET and extending
@@ -514,19 +514,19 @@ public:
      for LENGTH bits as unavailable.  */
   void mark_bits_unavailable (LONGEST offset, ULONGEST length);
 
-  /* If nonzero, this is the value of a variable which does not actually
+  /* If true, this is the value of a variable which does not actually
      exist in the program, at least partially.  If the value is lazy,
      this may fetch it now.  */
-  int optimized_out ();
+  bool optimized_out ();
 
   /* Given a value, return true if any of the contents bits starting at
      OFFSET and extending for LENGTH bits is optimized out, false
      otherwise.  */
-  int bits_any_optimized_out (int bit_offset, int bit_length) const;
+  bool bits_any_optimized_out (int bit_offset, int bit_length) const;
 
   /* Like optimized_out, but return true iff the whole value is
      optimized out.  */
-  int entirely_optimized_out ()
+  bool entirely_optimized_out ()
   {
     return entirely_covered_by_range_vector (m_optimized_out);
   }
@@ -829,7 +829,7 @@ private:
   /* Returns true if this value is entirely covered by RANGES.  If the
      value is lazy, it'll be read now.  Note that RANGE is a pointer
      to pointer because reading the value might change *RANGE.  */
-  int entirely_covered_by_range_vector (const std::vector<range> &ranges);
+  bool entirely_covered_by_range_vector (const std::vector<range> &ranges);
 
   /* Copy the ranges metadata from this value that overlaps
      [SRC_BIT_OFFSET, SRC_BIT_OFFSET+BIT_LENGTH) into DST,