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* [binutils-gdb] Remove ALL_BLOCK_SYMBOLS_WITH_NAME
@ 2023-02-19 23:38 Tom Tromey
  0 siblings, 0 replies; only message in thread
From: Tom Tromey @ 2023-02-19 23:38 UTC (permalink / raw)
  To: gdb-cvs

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a1b294260f4e43cfb7edb2a917accb82945ed310

commit a1b294260f4e43cfb7edb2a917accb82945ed310
Author: Tom Tromey <tom@tromey.com>
Date:   Thu Jan 19 20:21:10 2023 -0700

    Remove ALL_BLOCK_SYMBOLS_WITH_NAME
    
    This removes ALL_BLOCK_SYMBOLS_WITH_NAME in favor of foreach.

Diff:
---
 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 --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 c434d5aade4..78eacd05e97 100644
--- a/gdb/cp-support.c
+++ b/gdb/cp-support.c
@@ -1274,12 +1274,9 @@ 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 d6dc323e83f..9508dcfc504 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -2771,10 +2771,7 @@ 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))
 	{

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