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* [binutils-gdb] Remove ALL_BLOCK_SYMBOLS
@ 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=548a89df2315322d51a6f961d46699663082b626

commit 548a89df2315322d51a6f961d46699663082b626
Author: Tom Tromey <tom@tromey.com>
Date:   Thu Jan 19 20:25:55 2023 -0700

    Remove ALL_BLOCK_SYMBOLS
    
    This removes ALL_BLOCK_SYMBOLS in favor of foreach.

Diff:
---
 gdb/ada-lang.c        | 21 ++++++---------------
 gdb/block.h           |  9 ---------
 gdb/buildsym.c        |  2 +-
 gdb/coffread.c        |  5 +----
 gdb/f-valprint.c      |  4 +---
 gdb/infrun.c          |  4 +---
 gdb/linespec.c        |  4 +---
 gdb/mdebugread.c      |  9 ++-------
 gdb/mi/mi-cmd-stack.c |  4 +---
 gdb/stack.c           | 19 ++++++-------------
 gdb/symtab.c          | 34 ++++++++++++++--------------------
 gdb/tracepoint.c      |  4 +---
 12 files changed, 35 insertions(+), 84 deletions(-)

diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index a25fc332028..7c528ab629f 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -6111,10 +6111,8 @@ ada_add_block_symbols (std::vector<struct block_symbol> &result,
       const std::string &ada_lookup_name = lookup_name.ada ().lookup_name ();
       const char *name = ada_lookup_name.c_str ();
       size_t name_len = ada_lookup_name.size ();
-      struct symbol *sym;
-      struct block_iterator iter;
 
-      ALL_BLOCK_SYMBOLS (block, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block))
       {
 	if (symbol_matches_domain (sym->language (),
 				   sym->domain (), domain))
@@ -13049,10 +13047,7 @@ ada_add_exceptions_from_frame (compiled_regex *preg,
 
   while (block != 0)
     {
-      struct block_iterator iter;
-      struct symbol *sym;
-
-      ALL_BLOCK_SYMBOLS (block, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block))
 	{
 	  switch (sym->aclass ())
 	    {
@@ -13134,10 +13129,8 @@ ada_add_global_exceptions (compiled_regex *preg,
 	  for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++)
 	    {
 	      const struct block *b = bv->block (i);
-	      struct block_iterator iter;
-	      struct symbol *sym;
 
-	      ALL_BLOCK_SYMBOLS (b, iter, sym)
+	      for (struct symbol *sym : block_iterator_range (b))
 		if (ada_is_non_standard_exception_sym (sym)
 		    && name_matches_regex (sym->natural_name (), preg))
 		  {
@@ -13639,9 +13632,7 @@ public:
 					  const char *text, const char *word,
 					  enum type_code code) const override
   {
-    struct symbol *sym;
     const struct block *b, *surrounding_static_block = 0;
-    struct block_iterator iter;
 
     gdb_assert (code == TYPE_CODE_UNDEF);
 
@@ -13701,7 +13692,7 @@ public:
 	if (!b->superblock ())
 	  surrounding_static_block = b;   /* For elmin of dups */
 
-	ALL_BLOCK_SYMBOLS (b, iter, sym)
+	for (struct symbol *sym : block_iterator_range (b))
 	  {
 	    if (completion_skip_symbol (mode, sym))
 	      continue;
@@ -13722,7 +13713,7 @@ public:
 	  {
 	    QUIT;
 	    b = s->blockvector ()->global_block ();
-	    ALL_BLOCK_SYMBOLS (b, iter, sym)
+	    for (struct symbol *sym : block_iterator_range (b))
 	      {
 		if (completion_skip_symbol (mode, sym))
 		  continue;
@@ -13744,7 +13735,7 @@ public:
 	    /* Don't do this block twice.  */
 	    if (b == surrounding_static_block)
 	      continue;
-	    ALL_BLOCK_SYMBOLS (b, iter, sym)
+	    for (struct symbol *sym : block_iterator_range (b))
 	      {
 		if (completion_skip_symbol (mode, sym))
 		  continue;
diff --git a/gdb/block.h b/gdb/block.h
index 35c41377f2c..6ccf3766d8f 100644
--- a/gdb/block.h
+++ b/gdb/block.h
@@ -595,15 +595,6 @@ extern int block_find_non_opaque_type (struct symbol *sym, void *data);
 extern int block_find_non_opaque_type_preferred (struct symbol *sym,
 						 void *data);
 
-/* Macro to loop through all symbols in BLOCK, 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(block, iter, sym)		\
-  for ((sym) = block_iterator_first ((block), &(iter));	\
-       (sym);						\
-       (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/buildsym.c b/gdb/buildsym.c
index b76fef37400..10b8fc6cecb 100644
--- a/gdb/buildsym.c
+++ b/gdb/buildsym.c
@@ -997,7 +997,7 @@ buildsym_compunit::end_compunit_symtab_with_blockvector
 
 	/* Note that we only want to fix up symbols from the local
 	   blocks, not blocks coming from included symtabs.  That is why
-	   we use ALL_DICT_SYMBOLS here and not ALL_BLOCK_SYMBOLS.  */
+	   we use ALL_DICT_SYMBOLS here and not a block iterator.  */
 	ALL_DICT_SYMBOLS (block->multidict (), miter, sym)
 	  if (sym->symtab () == NULL)
 	    sym->set_symtab (symtab);
diff --git a/gdb/coffread.c b/gdb/coffread.c
index 65d7828e933..45542bc2432 100644
--- a/gdb/coffread.c
+++ b/gdb/coffread.c
@@ -1503,12 +1503,9 @@ patch_type (struct type *type, struct type *real_type)
 static void
 patch_opaque_types (struct symtab *s)
 {
-  struct block_iterator iter;
-  struct symbol *real_sym;
-
   /* Go through the per-file symbols only.  */
   const struct block *b = s->compunit ()->blockvector ()->static_block ();
-  ALL_BLOCK_SYMBOLS (b, iter, real_sym)
+  for (struct symbol *real_sym : block_iterator_range (b))
     {
       /* Find completed typedefs to use to fix opaque ones.
 	 Remove syms from the chain when their types are stored,
diff --git a/gdb/f-valprint.c b/gdb/f-valprint.c
index e96892947af..52bebae17fe 100644
--- a/gdb/f-valprint.c
+++ b/gdb/f-valprint.c
@@ -618,13 +618,11 @@ static void
 info_common_command_for_block (const struct block *block, const char *comname,
 			       int *any_printed)
 {
-  struct block_iterator iter;
-  struct symbol *sym;
   struct value_print_options opts;
 
   get_user_print_options (&opts);
 
-  ALL_BLOCK_SYMBOLS (block, iter, sym)
+  for (struct symbol *sym : block_iterator_range (block))
     if (sym->domain () == COMMON_BLOCK_DOMAIN)
       {
 	const struct common_block *common = sym->value_common_block ();
diff --git a/gdb/infrun.c b/gdb/infrun.c
index 75725f5e0ff..3629db0443a 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -8123,8 +8123,6 @@ check_exception_resume (struct execution_control_state *ecs,
   try
     {
       const struct block *b;
-      struct block_iterator iter;
-      struct symbol *sym;
       int argno = 0;
 
       /* The exception breakpoint is a thread-specific breakpoint on
@@ -8142,7 +8140,7 @@ check_exception_resume (struct execution_control_state *ecs,
 	 handler.  */
 
       b = func->value_block ();
-      ALL_BLOCK_SYMBOLS (b, iter, sym)
+      for (struct symbol *sym : block_iterator_range (b))
 	{
 	  if (!sym->is_argument ())
 	    continue;
diff --git a/gdb/linespec.c b/gdb/linespec.c
index 7edfee22ea7..36f2ef46a7c 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -3900,14 +3900,12 @@ find_label_symbols_in_block (const struct block *block,
 {
   if (completion_mode)
     {
-      struct block_iterator iter;
-      struct symbol *sym;
       size_t name_len = strlen (name);
 
       int (*cmp) (const char *, const char *, size_t);
       cmp = case_sensitivity == case_sensitive_on ? strncmp : strncasecmp;
 
-      ALL_BLOCK_SYMBOLS (block, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block))
 	{
 	  if (symbol_matches_domain (sym->language (),
 				     sym->domain (), LABEL_DOMAIN)
diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c
index 609b51727aa..3b567637743 100644
--- a/gdb/mdebugread.c
+++ b/gdb/mdebugread.c
@@ -1193,19 +1193,16 @@ parse_symbol (SYMR *sh, union aux_ext *ax, char *ext_sh, int bigend,
 		 type.  Set that from the type of the parameter symbols.  */
 	      int nparams = top_stack->numargs;
 	      int iparams;
-	      struct symbol *sym;
 
 	      if (nparams > 0)
 		{
-		  struct block_iterator iter;
-
 		  ftype->set_num_fields (nparams);
 		  ftype->set_fields
 		    ((struct field *)
 		     TYPE_ALLOC (ftype, nparams * sizeof (struct field)));
 
 		  iparams = 0;
-		  ALL_BLOCK_SYMBOLS (cblock, iter, sym)
+		  for (struct symbol *sym : block_iterator_range (cblock))
 		    {
 		      if (iparams == nparams)
 			break;
@@ -4464,12 +4461,10 @@ static struct symbol *
 mylookup_symbol (const char *name, const struct block *block,
 		 domain_enum domain, enum address_class theclass)
 {
-  struct block_iterator iter;
   int inc;
-  struct symbol *sym;
 
   inc = name[0];
-  ALL_BLOCK_SYMBOLS (block, iter, sym)
+  for (struct symbol *sym : block_iterator_range (block))
     {
       if (sym->linkage_name ()[0] == inc
 	  && sym->domain () == domain
diff --git a/gdb/mi/mi-cmd-stack.c b/gdb/mi/mi-cmd-stack.c
index 1554f9550e6..4c4662ab5d7 100644
--- a/gdb/mi/mi-cmd-stack.c
+++ b/gdb/mi/mi-cmd-stack.c
@@ -568,8 +568,6 @@ list_args_or_locals (const frame_print_options &fp_opts,
 		     frame_info_ptr fi, int skip_unavailable)
 {
   const struct block *block;
-  struct symbol *sym;
-  struct block_iterator iter;
   const char *name_of_result;
   struct ui_out *uiout = current_uiout;
 
@@ -594,7 +592,7 @@ list_args_or_locals (const frame_print_options &fp_opts,
 
   while (block != 0)
     {
-      ALL_BLOCK_SYMBOLS (block, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block))
 	{
 	  int print_me = 0;
 
diff --git a/gdb/stack.c b/gdb/stack.c
index a26f65af1c4..03e903d901b 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -751,10 +751,8 @@ print_frame_args (const frame_print_options &fp_opts,
   if (func)
     {
       const struct block *b = func->value_block ();
-      struct block_iterator iter;
-      struct symbol *sym;
 
-      ALL_BLOCK_SYMBOLS (b, iter, sym)
+      for (struct symbol *sym : block_iterator_range (b))
 	{
 	  struct frame_arg arg, entryarg;
 
@@ -2221,10 +2219,7 @@ static void
 iterate_over_block_locals (const struct block *b,
 			   iterate_over_block_arg_local_vars_cb cb)
 {
-  struct block_iterator iter;
-  struct symbol *sym;
-
-  ALL_BLOCK_SYMBOLS (b, iter, sym)
+  for (struct symbol *sym : block_iterator_range (b))
     {
       switch (sym->aclass ())
 	{
@@ -2470,10 +2465,7 @@ void
 iterate_over_block_arg_vars (const struct block *b,
 			     iterate_over_block_arg_local_vars_cb cb)
 {
-  struct block_iterator iter;
-  struct symbol *sym, *sym2;
-
-  ALL_BLOCK_SYMBOLS (b, iter, sym)
+  for (struct symbol *sym : block_iterator_range (b))
     {
       /* Don't worry about things which aren't arguments.  */
       if (sym->is_argument ())
@@ -2489,8 +2481,9 @@ iterate_over_block_arg_vars (const struct block *b,
 	     float).  There are also LOC_ARG/LOC_REGISTER pairs which
 	     are not combined in symbol-reading.  */
 
-	  sym2 = lookup_symbol_search_name (sym->search_name (),
-					    b, VAR_DOMAIN).symbol;
+	  struct symbol *sym2
+	    = lookup_symbol_search_name (sym->search_name (),
+					 b, VAR_DOMAIN).symbol;
 	  cb (sym->print_name (), sym2);
 	}
     }
diff --git a/gdb/symtab.c b/gdb/symtab.c
index 9508dcfc504..25b55ed01e7 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -2880,22 +2880,24 @@ find_pc_sect_compunit_symtab (CORE_ADDR pc, struct obj_section *section)
 
 	  if (section != 0)
 	    {
-	      struct symbol *sym = NULL;
-	      struct block_iterator iter;
+	      struct symbol *found_sym = nullptr;
 
 	      for (int b_index = GLOBAL_BLOCK;
-		   b_index <= STATIC_BLOCK && sym == NULL;
+		   b_index <= STATIC_BLOCK && found_sym == nullptr;
 		   ++b_index)
 		{
 		  const struct block *b = bv->block (b_index);
-		  ALL_BLOCK_SYMBOLS (b, iter, sym)
+		  for (struct symbol *sym : block_iterator_range (b))
 		    {
 		      if (matching_obj_sections (sym->obj_section (obj_file),
 						 section))
-			break;
+			{
+			  found_sym = sym;
+			  break;
+			}
 		    }
 		}
-	      if (sym == NULL)
+	      if (found_sym == nullptr)
 		continue;		/* No symbol in this symtab matches
 					   section.  */
 	    }
@@ -2946,10 +2948,8 @@ find_symbol_at_address (CORE_ADDR address)
       for (int i = GLOBAL_BLOCK; i <= STATIC_BLOCK; ++i)
 	{
 	  const struct block *b = bv->block (i);
-	  struct block_iterator iter;
-	  struct symbol *sym;
 
-	  ALL_BLOCK_SYMBOLS (b, iter, sym)
+	  for (struct symbol *sym : block_iterator_range (b))
 	    {
 	      if (sym->aclass () == LOC_STATIC
 		  && sym->value_address () == addr)
@@ -4709,11 +4709,9 @@ global_symbol_searcher::add_matching_symbols
 
       for (block_enum block : { GLOBAL_BLOCK, STATIC_BLOCK })
 	{
-	  struct block_iterator iter;
-	  struct symbol *sym;
 	  const struct block *b = bv->block (block);
 
-	  ALL_BLOCK_SYMBOLS (b, iter, sym)
+	  for (struct symbol *sym : block_iterator_range (b))
 	    {
 	      struct symtab *real_symtab = sym->symtab ();
 
@@ -5673,8 +5671,6 @@ add_symtab_completions (struct compunit_symtab *cust,
 			const char *text, const char *word,
 			enum type_code code)
 {
-  struct symbol *sym;
-  struct block_iterator iter;
   int i;
 
   if (cust == NULL)
@@ -5685,7 +5681,7 @@ add_symtab_completions (struct compunit_symtab *cust,
       QUIT;
 
       const struct block *b = cust->blockvector ()->block (i);
-      ALL_BLOCK_SYMBOLS (b, iter, sym)
+      for (struct symbol *sym : block_iterator_range (b))
 	{
 	  if (completion_skip_symbol (mode, sym))
 	    continue;
@@ -5711,10 +5707,8 @@ default_collect_symbol_completion_matches_break_on
      frees them.  I'm not going to worry about this; hopefully there
      won't be that many.  */
 
-  struct symbol *sym;
   const struct block *b;
   const struct block *surrounding_static_block, *surrounding_global_block;
-  struct block_iterator iter;
   /* The symbol we are completing on.  Points in same buffer as text.  */
   const char *sym_text;
 
@@ -5835,7 +5829,7 @@ default_collect_symbol_completion_matches_break_on
       {
 	QUIT;
 
-	ALL_BLOCK_SYMBOLS (b, iter, sym)
+	for (struct symbol *sym : block_iterator_range (b))
 	  {
 	    if (code == TYPE_CODE_UNDEF)
 	      {
@@ -5863,12 +5857,12 @@ default_collect_symbol_completion_matches_break_on
   if (code == TYPE_CODE_UNDEF)
     {
       if (surrounding_static_block != NULL)
-	ALL_BLOCK_SYMBOLS (surrounding_static_block, iter, sym)
+	for (struct symbol *sym : block_iterator_range (surrounding_static_block))
 	  completion_list_add_fields (tracker, sym, lookup_name,
 				      sym_text, word);
 
       if (surrounding_global_block != NULL)
-	ALL_BLOCK_SYMBOLS (surrounding_global_block, iter, sym)
+	for (struct symbol *sym : block_iterator_range (surrounding_global_block))
 	  completion_list_add_fields (tracker, sym, lookup_name,
 				      sym_text, word);
     }
diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c
index 1c1fea7d970..c8bac7a0122 100644
--- a/gdb/tracepoint.c
+++ b/gdb/tracepoint.c
@@ -2459,12 +2459,10 @@ tfind_outside_command (const char *args, int from_tty)
 static void
 info_scope_command (const char *args_in, int from_tty)
 {
-  struct symbol *sym;
   struct bound_minimal_symbol msym;
   const struct block *block;
   const char *symname;
   const char *save_args = args_in;
-  struct block_iterator iter;
   int j, count = 0;
   struct gdbarch *gdbarch;
   int regno;
@@ -2492,7 +2490,7 @@ info_scope_command (const char *args_in, int from_tty)
   while (block != 0)
     {
       QUIT;			/* Allow user to bail out with ^C.  */
-      ALL_BLOCK_SYMBOLS (block, iter, sym)
+      for (struct symbol *sym : block_iterator_range (block))
 	{
 	  QUIT;			/* Allow user to bail out with ^C.  */
 	  if (count == 0)

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