PR symtab/12704

* cp-namespace.c (ANONYMOUS_NAMESPACE_LEN): Remove.
	(cp_scan_for_anonymous_namespaces): Use CP_ANONYMOUS_NAMESPACE_STR
	and CP_ANONYMOUS_NAMESPACE_LEN.
	(cp_is_anonymous): Likewise.
	* cp-support.h (CP_ANONYMOUS_NAMESPACE_STR): Define.
	(CP_ANONYMOUS_NAMESPACE_LEN): Define.
	* dwarf2read.c (namespace_name): Likewise.
	(fixup_partial_die): Likewise.
	* linespec.c (decode_compound): If CP_ANONYMOUS_NAMESPACE_STR is
	seen in the input, keep it.

gdb/ChangeLog

@@ -1,3 +1,17 @@
+2010-05-31  Keith Seitz  <keiths@redhat.com>
+
+	PR symtab/12704
+	* cp-namespace.c (ANONYMOUS_NAMESPACE_LEN): Remove.
+	(cp_scan_for_anonymous_namespaces): Use CP_ANONYMOUS_NAMESPACE_STR
+	and CP_ANONYMOUS_NAMESPACE_LEN.
+	(cp_is_anonymous): Likewise.
+	* cp-support.h (CP_ANONYMOUS_NAMESPACE_STR): Define.
+	(CP_ANONYMOUS_NAMESPACE_LEN): Define.
+	* dwarf2read.c (namespace_name): Likewise.
+	(fixup_partial_die): Likewise.
+	* linespec.c (decode_compound): If CP_ANONYMOUS_NAMESPACE_STR is
+	seen in the input, keep it.
+
 2011-05-30  Pedro Alves  <pedro@codesourcery.com>
 
 	* target.h (enum inferior_event_type): Delete INF_QUIT_REQ.

gdb/cp-namespace.c

@@ -52,10 +52,6 @@ static struct type *cp_lookup_transparent_type_loop (const char *name,
 /* Check to see if SYMBOL refers to an object contained within an
    anonymous namespace; if so, add an appropriate using directive.  */
 
-/* Optimize away strlen ("(anonymous namespace)").  */
-
-#define ANONYMOUS_NAMESPACE_LEN 21
-
 void
 cp_scan_for_anonymous_namespaces (const struct symbol *symbol)
 {
@@ -76,10 +72,11 @@ cp_scan_for_anonymous_namespaces (const struct symbol *symbol)
 
       while (name[next_component] == ':')
 	{
-	  if ((next_component - previous_component) == ANONYMOUS_NAMESPACE_LEN
+	  if (((next_component - previous_component)
+	       == CP_ANONYMOUS_NAMESPACE_LEN)
 	      && strncmp (name + previous_component,
-			  "(anonymous namespace)",
-			  ANONYMOUS_NAMESPACE_LEN) == 0)
+			  CP_ANONYMOUS_NAMESPACE_STR,
+			  CP_ANONYMOUS_NAMESPACE_LEN) == 0)
 	    {
 	      int dest_len = (previous_component == 0
 			      ? 0 : previous_component - 2);
@@ -207,7 +204,7 @@ cp_set_block_scope (const struct symbol *symbol,
 int
 cp_is_anonymous (const char *namespace)
 {
-  return (strstr (namespace, "(anonymous namespace)")
+  return (strstr (namespace, CP_ANONYMOUS_NAMESPACE_STR)
 	  != NULL);
 }
 

gdb/cp-support.h

@@ -36,6 +36,14 @@ struct objfile;
 struct type;
 struct demangle_component;
 
+/* A string representing the name of the anonymous namespace used in GDB.  */
+
+#define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)"
+
+/* The length of the string representing the anonymous namespace.  */
+
+#define CP_ANONYMOUS_NAMESPACE_LEN 21
+
 /* This struct is designed to store data from using directives.  It
    says that names from namespace IMPORT_SRC should be visible within
    namespace IMPORT_DEST.  These form a linked list; NEXT is the next

gdb/dwarf2read.c

@@ -7877,7 +7877,7 @@ namespace_name (struct die_info *die, int *is_anonymous, struct dwarf2_cu *cu)
 
   *is_anonymous = (name == NULL);
   if (*is_anonymous)
-    name = "(anonymous namespace)";
+    name = CP_ANONYMOUS_NAMESPACE_STR;
 
   return name;
 }
@@ -9547,7 +9547,7 @@ fixup_partial_die (struct partial_die_info *part_die,
   /* Set default names for some unnamed DIEs.  */
 
   if (part_die->name == NULL && part_die->tag == DW_TAG_namespace)
-    part_die->name = "(anonymous namespace)";
+    part_die->name = CP_ANONYMOUS_NAMESPACE_STR;
 
   /* If there is no parent die to provide a namespace, and there are
      children, see if we can determine the namespace from their linkage

gdb/linespec.c

@@ -1430,8 +1430,15 @@ decode_compound (char **argptr, int funfirstline,
 	    {
 	      /* PASS2: We'll keep getting here, until P points to one of the
 		 break characters, at which point we exit this loop.  */
-	      if (*p && strchr (break_characters, *p) == NULL)
-		p++;
+	      if (*p)
+		{
+		  if (p[1] == '('
+		      && strncmp (&p[1], CP_ANONYMOUS_NAMESPACE_STR,
+				  CP_ANONYMOUS_NAMESPACE_LEN) == 0)
+		    p += CP_ANONYMOUS_NAMESPACE_LEN;
+		  else if (strchr (break_characters, *p) == NULL)
+		    ++p;
+		}
 	    }
 	}