Store 'name' in block_iterator

This changes the block_iterator to store the 'name' that is used by
block_iter_match_next.  This avoids any problem where the name could
be passed inconsistently, and also makes the subsequent patches easier
to understand.

diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index 1f381a268f8f067e113a29231f280fe5a5d80046..8b503b35ed576455db3a0b7301e99f9fdd7dc79a 100644 (file)
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -6081,7 +6081,7 @@ ada_add_block_symbols (std::vector<struct block_symbol> &result,
   found_sym = false;
   for (sym = block_iter_match_first (block, lookup_name, &iter);
        sym != NULL;
-       sym = block_iter_match_next (lookup_name, &iter))
+       sym = block_iter_match_next (&iter))
     {
       if (symbol_matches_domain (sym->language (), sym->domain (), domain))
        {

diff --git a/gdb/block.c b/gdb/block.c
index 8aa0e67689451a4c422f9906e53e5b0e5667552e..e56c95013b86765a70927d6fe9f899d3237e6484 100644 (file)
--- a/gdb/block.c
+++ b/gdb/block.c
@@ -453,12 +453,14 @@ get_block_compunit_symtab (const struct block *block)
 
 static void
 initialize_block_iterator (const struct block *block,
-                          struct block_iterator *iter)
+                          struct block_iterator *iter,
+                          const lookup_name_info *name = nullptr)
 {
   enum block_enum which;
   struct compunit_symtab *cu;
 
   iter->idx = -1;
+  iter->name = name;
 
   if (block->superblock () == NULL)
     {
@@ -585,7 +587,6 @@ block_iterator_next (struct block_iterator *iterator)
 
 static struct symbol *
 block_iter_match_step (struct block_iterator *iterator,
-                      const lookup_name_info &name,
                       int first)
 {
   struct symbol *sym;
@@ -605,11 +606,11 @@ block_iter_match_step (struct block_iterator *iterator,
            return  NULL;
 
          block = cust->blockvector ()->block (iterator->which);
-         sym = mdict_iter_match_first (block->multidict (), name,
+         sym = mdict_iter_match_first (block->multidict (), *iterator->name,
                                        &iterator->mdict_iter);
        }
       else
-       sym = mdict_iter_match_next (name, &iterator->mdict_iter);
+       sym = mdict_iter_match_next (*iterator->name, &iterator->mdict_iter);
 
       if (sym != NULL)
        return sym;
@@ -629,25 +630,26 @@ block_iter_match_first (const struct block *block,
                        const lookup_name_info &name,
                        struct block_iterator *iterator)
 {
-  initialize_block_iterator (block, iterator);
+  initialize_block_iterator (block, iterator, &name);
 
   if (iterator->which == FIRST_LOCAL_BLOCK)
     return mdict_iter_match_first (block->multidict (), name,
                                   &iterator->mdict_iter);
 
-  return block_iter_match_step (iterator, name, 1);
+  return block_iter_match_step (iterator, 1);
 }
 
 /* See block.h.  */
 
 struct symbol *
-block_iter_match_next (const lookup_name_info &name,
-                      struct block_iterator *iterator)
+block_iter_match_next (struct block_iterator *iterator)
 {
+  gdb_assert (iterator->name != nullptr);
+
   if (iterator->which == FIRST_LOCAL_BLOCK)
-    return mdict_iter_match_next (name, &iterator->mdict_iter);
+    return mdict_iter_match_next (*iterator->name, &iterator->mdict_iter);
 
-  return block_iter_match_step (iterator, name, 0);
+  return block_iter_match_step (iterator, 0);
 }
 
 /* See block.h.  */

diff --git a/gdb/block.h b/gdb/block.h
index 9bc80490d7c727761c39426b305b5346eb6716aa..5fc41c6df02b145d7e15e50a6b885b4c7f3fe0b3 100644 (file)
--- a/gdb/block.h
+++ b/gdb/block.h
@@ -449,6 +449,9 @@ struct block_iterator
     const struct block *block;
   } d;
 
+  /* If we're trying to match a name, this will be non-NULL.  */
+  const lookup_name_info *name;
+
   /* If we're iterating over a single block, this is always -1.
      Otherwise, it holds the index of the current "included" symtab in
      the canonical symtab (that is, d.symtab->includes[idx]), with -1
@@ -493,10 +496,9 @@ extern struct symbol *block_iter_match_first (const struct block *block,
    symbols.  Don't call this if you've previously received NULL from
    block_iterator_match_first or block_iterator_match_next on this
    iteration.  And don't call it unless ITERATOR was created by a
-   previous call to block_iter_match_first with the same NAME.  */
+   previous call to block_iter_match_first.  */
 
-extern struct symbol *block_iter_match_next
-  (const lookup_name_info &name, struct block_iterator *iterator);
+extern struct symbol *block_iter_match_next (struct block_iterator *iterator);
 
 /* Return true if symbol A is the best match possible for DOMAIN.  */
 
@@ -574,7 +576,7 @@ extern int block_find_non_opaque_type_preferred (struct symbol *sym,
 #define ALL_BLOCK_SYMBOLS_WITH_NAME(block, name, iter, sym)            \
   for ((sym) = block_iter_match_first ((block), (name), &(iter));      \
        (sym) != NULL;                                                  \
-       (sym) = block_iter_match_next ((name), &(iter)))
+       (sym) = block_iter_match_next (&(iter)))
 
 /* Given a vector of pairs, allocate and build an obstack allocated
    blockranges struct for a block.  */