[PATCH v2 20/28] Convert linespec.c:iterate_over_all_matching_symtabs

[Tom Tromey <tom@tromey.com>]

This converts linespec.c:iterate_over_all_matching_symtabs to the
callback approach, merging the search loop and the call to
expand_symtabs_matching.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=16994
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=16998
---
 gdb/linespec.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/gdb/linespec.c b/gdb/linespec.c
index 5eef96c44e7dc283c3855690359fd718fe2c0a55..b500930b1feeb447aac81e45ba51439a021c4b48 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -1134,12 +1134,7 @@ iterate_over_all_matching_symtabs
 
       for (objfile *objfile : pspace->objfiles ())
 	{
-	  objfile->expand_symtabs_matching (NULL, &lookup_name, NULL, NULL,
-					    (SEARCH_GLOBAL_BLOCK
-					     | SEARCH_STATIC_BLOCK),
-					    domain);
-
-	  for (compunit_symtab *cu : objfile->compunits ())
+	  auto expand_callback = [&] (compunit_symtab *cu)
 	    {
 	      struct symtab *symtab = cu->primary_filetab ();
 
@@ -1166,7 +1161,15 @@ iterate_over_all_matching_symtabs
 			 });
 		    }
 		}
-	    }
+
+	      return true;
+	    };
+
+	  objfile->expand_symtabs_matching (nullptr, &lookup_name,
+					    nullptr, expand_callback,
+					    (SEARCH_GLOBAL_BLOCK
+					     | SEARCH_STATIC_BLOCK),
+					    domain);
 	}
     }
 }

-- 
2.46.1