diff mbox series

[20/27] Remove ALL_BLOCK_SYMBOLS_WITH_NAME

Message ID	20230120214618.3236224-21-tom@tromey.com
State	New
Headers	DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A3209385B50D From: Tom Tromey <tom@tromey.com> To: gdb-patches@sourceware.org Cc: Tom Tromey <tom@tromey.com> Subject: [PATCH 20/27] Remove ALL_BLOCK_SYMBOLS_WITH_NAME Date: Fri, 20 Jan 2023 14:46:11 -0700 Message-Id: <20230120214618.3236224-21-tom@tromey.com> In-Reply-To: <20230120214618.3236224-1-tom@tromey.com> References: <20230120214618.3236224-1-tom@tromey.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Sender: "Gdb-patches" <gdb-patches-bounces+patchwork=sourceware.org@sourceware.org>
Series	C++-ify struct block \| [00/27] C++-ify struct block [01/27] Rearrange block.c to avoid a forward declaration [02/27] Avoid extra allocations in block [03/27] Don't allow NULL as an argument to block_scope [04/27] Don't allow NULL as an argument to block_using [05/27] Don't allow NULL as an argument to block_static_block [06/27] Don't allow NULL as an argument to block_global_block [07/27] Convert block_objfile to method [08/27] Convert block_gdbarch to method [09/27] Convert block_inlined_p to method [10/27] Convert more block functions to methods [11/27] Convert block_linkage_function to method [12/27] Convert block_containing_function to method [13/27] Convert block_static_block and block_global_block to methods [14/27] Convert set_block_compunit_symtab to method [15/27] Convert block_static_link to method [16/27] Store 'name' in block_iterator [17/27] Combine both styles of block iterator [18/27] Introduce a block iterator wrapper [19/27] Convert explicit iterator uses to foreach [20/27] Remove ALL_BLOCK_SYMBOLS_WITH_NAME [21/27] Remove ALL_BLOCK_SYMBOLS [22/27] Fix memory leak in mdebugread.c [23/27] Use 'new' for block and global_block [24/27] Have global_block inherit from block [25/27] Remove allocate_block and allocate_global_block [26/27] Make block members 'private' [27/27] Convert contained_in to method

Commit Message

Tom Tromey Jan. 20, 2023, 9:46 p.m. UTC

  This removes ALL_BLOCK_SYMBOLS_WITH_NAME in favor of foreach.
---
 gdb/block.c           | 12 +++---------
 gdb/block.h           | 10 ----------
 gdb/cp-support.c      |  5 +----
 gdb/python/py-block.c | 22 ++++++++--------------
 gdb/symtab.c          |  5 +----
 5 files changed, 13 insertions(+), 41 deletions(-)

diff mbox series

Patch

diff --git a/gdb/block.c b/gdb/block.c
index e7a51af8cea..0870793dcd4 100644
--- a/gdb/block.c
+++ b/gdb/block.c
@@ -692,16 +692,13 @@  block_lookup_symbol (const struct block *block, const char *name,
 		     symbol_name_match_type match_type,
 		     const domain_enum domain)
 {
-  struct block_iterator iter;
-  struct symbol *sym;
-
   lookup_name_info lookup_name (name, match_type);
 
   if (!block->function ())
     {
       struct symbol *other = NULL;
 
-      ALL_BLOCK_SYMBOLS_WITH_NAME (block, lookup_name, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block, &lookup_name))
 	{
 	  /* See comment related to PR gcc/debug/91507 in
 	     block_lookup_symbol_primary.  */
@@ -730,7 +727,7 @@  block_lookup_symbol (const struct block *block, const char *name,
 
       struct symbol *sym_found = NULL;
 
-      ALL_BLOCK_SYMBOLS_WITH_NAME (block, lookup_name, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block, &lookup_name))
 	{
 	  if (symbol_matches_domain (sym->language (),
 				     sym->domain (), domain))
@@ -815,16 +812,13 @@  block_find_symbol (const struct block *block, const char *name,
 		   const domain_enum domain,
 		   block_symbol_matcher_ftype *matcher, void *data)
 {
-  struct block_iterator iter;
-  struct symbol *sym;
-
   lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
 
   /* Verify BLOCK is STATIC_BLOCK or GLOBAL_BLOCK.  */
   gdb_assert (block->superblock () == NULL
 	      || block->superblock ()->superblock () == NULL);
 
-  ALL_BLOCK_SYMBOLS_WITH_NAME (block, lookup_name, iter, sym)
+  for (struct symbol *sym : block_iterator_range (block, &lookup_name))
     {
       /* MATCHER is deliberately called second here so that it never sees
 	 a non-domain-matching symbol.  */
diff --git a/gdb/block.h b/gdb/block.h
index 7341d03a07e..35c41377f2c 100644
--- a/gdb/block.h
+++ b/gdb/block.h
@@ -604,16 +604,6 @@  extern int block_find_non_opaque_type_preferred (struct symbol *sym,
        (sym);						\
        (sym) = block_iterator_next (&(iter)))
 
-/* Macro to loop through all symbols in BLOCK with a name that matches
-   NAME, in no particular order.  ITER helps keep track of the
-   iteration, and must be a struct block_iterator.  SYM points to the
-   current symbol.  */
-
-#define ALL_BLOCK_SYMBOLS_WITH_NAME(block, name, iter, sym)		\
-  for ((sym) = block_iterator_first ((block), &(iter), &(name));	\
-       (sym) != NULL;							\
-       (sym) = block_iterator_next (&(iter)))
-
 /* Given a vector of pairs, allocate and build an obstack allocated
    blockranges struct for a block.  */
 struct blockranges *make_blockranges (struct objfile *objfile,
diff --git a/gdb/cp-support.c b/gdb/cp-support.c
index cdaf5fd3e8e..52510543f00 100644
--- a/gdb/cp-support.c
+++ b/gdb/cp-support.c
@@ -1273,12 +1273,9 @@  add_symbol_overload_list_block (const char *name,
 				const struct block *block,
 				std::vector<symbol *> *overload_list)
 {
-  struct block_iterator iter;
-  struct symbol *sym;
-
   lookup_name_info lookup_name (name, symbol_name_match_type::FULL);
 
-  ALL_BLOCK_SYMBOLS_WITH_NAME (block, lookup_name, iter, sym)
+  for (struct symbol *sym : block_iterator_range (block, &lookup_name))
     overload_list_add_symbol (sym, name, overload_list);
 }
 
diff --git a/gdb/python/py-block.c b/gdb/python/py-block.c
index bd2ce7fc181..da33d4cdd94 100644
--- a/gdb/python/py-block.c
+++ b/gdb/python/py-block.c
@@ -265,24 +265,18 @@  blpy_getitem (PyObject *self, PyObject *key)
 
   lookup_name_info lookup_name (name.get(), symbol_name_match_type::FULL);
 
-  /* We use ALL_BLOCK_SYMBOLS_WITH_NAME instead of block_lookup_symbol so
-     that we can look up symbols irrespective of the domain, matching the
-     iterator. It would be confusing if the iterator returns symbols you
-     can't find via getitem.  */
-  struct block_iterator iter;
-  struct symbol *sym = nullptr;
-  ALL_BLOCK_SYMBOLS_WITH_NAME (block, lookup_name, iter, sym)
+  /* We use an iterator instead of block_lookup_symbol so that we can
+     look up symbols irrespective of the domain, matching the
+     iterator. It would be confusing if the iterator returns symbols
+     you can't find via getitem.  */
+  for (struct symbol *sym : block_iterator_range (block, &lookup_name))
     {
       /* Just stop at the first match */
-      break;
+      return symbol_to_symbol_object (sym);
     }
 
-  if (sym == nullptr)
-    {
-      PyErr_SetObject (PyExc_KeyError, key);
-      return nullptr;
-    }
-  return symbol_to_symbol_object (sym);
+  PyErr_SetObject (PyExc_KeyError, key);
+  return nullptr;
 }
 
 static void
diff --git a/gdb/symtab.c b/gdb/symtab.c
index dd9cc7d5163..511299233ad 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -2797,10 +2797,7 @@  iterate_over_symbols (const struct block *block,
 		      const domain_enum domain,
 		      gdb::function_view<symbol_found_callback_ftype> callback)
 {
-  struct block_iterator iter;
-  struct symbol *sym;
-
-  ALL_BLOCK_SYMBOLS_WITH_NAME (block, name, iter, sym)
+  for (struct symbol *sym : block_iterator_range (block, &name))
     {
       if (symbol_matches_domain (sym->language (), sym->domain (), domain))
 	{