[PATCH 3/7] Eliminate copy_location_spec

[Pedro Alves <pedro@palves.net>]

copy_location_spec is just a wrapper around location_spec::clone(), so
remove it and call clone() directly.  This simplifies users, as they
no longer have to use std::unique_ptr::get().

Change-Id: I8ce8658589460b98888283b306b315a5b8f73976
---
 gdb/breakpoint.c | 10 +++++-----
 gdb/linespec.c   |  3 +--
 gdb/location.c   |  8 --------
 gdb/location.h   |  4 ----
 4 files changed, 6 insertions(+), 19 deletions(-)

diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index cdab60332ec..403b70067d7 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -8422,8 +8422,9 @@ create_breakpoints_sal (struct gdbarch *gdbarch,
       /* Note that 'location' can be NULL in the case of a plain
 	 'break', without arguments.  */
       location_spec_up locspec
-	= (canonical->locspec != NULL
-	   ? copy_location_spec (canonical->locspec.get ()) : NULL);
+	= (canonical->locspec != nullptr
+	   ? canonical->locspec->clone ()
+	   : nullptr);
       gdb::unique_xmalloc_ptr<char> filter_string
 	(lsal.canonical != NULL ? xstrdup (lsal.canonical) : NULL);
 
@@ -8924,7 +8925,7 @@ create_breakpoint (struct gdbarch *gdbarch,
     {
       std::unique_ptr <breakpoint> b = new_breakpoint_from_type (gdbarch,
 								 type_wanted);
-      b->locspec = copy_location_spec (locspec);
+      b->locspec = locspec->clone ();
 
       if (parse_extra)
 	b->cond_string = NULL;
@@ -12029,8 +12030,7 @@ strace_marker_create_breakpoints_sal (struct gdbarch *gdbarch,
 
   for (size_t i = 0; i < lsal.sals.size (); i++)
     {
-      location_spec_up locspec
-	= copy_location_spec (canonical->locspec.get ());
+      location_spec_up locspec = canonical->locspec->clone ();
 
       std::unique_ptr<tracepoint> tp
 	(new tracepoint (gdbarch,
diff --git a/gdb/linespec.c b/gdb/linespec.c
index 063944bb9a1..f992477b1d6 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -3083,8 +3083,7 @@ location_spec_to_sals (linespec_parser *parser,
 	  {
 	    addr = linespec_expression_to_pc (&addr_string);
 	    if (PARSER_STATE (parser)->canonical != NULL)
-	      PARSER_STATE (parser)->canonical->locspec
-		= copy_location_spec (locspec);
+	      PARSER_STATE (parser)->canonical->locspec	= locspec->clone ();
 	  }
 	else
 	  addr = addr_spec->address;
diff --git a/gdb/location.c b/gdb/location.c
index 4d0b60ff9c7..19b58ab4f5b 100644
--- a/gdb/location.c
+++ b/gdb/location.c
@@ -355,14 +355,6 @@ explicit_location_spec::to_linespec () const
 
 /* See description in location.h.  */
 
-location_spec_up
-copy_location_spec (const location_spec *src)
-{
-  return src->clone ();
-}
-
-/* See description in location.h.  */
-
 const char *
 location_spec_to_string (struct location_spec *locspec)
 {
diff --git a/gdb/location.h b/gdb/location.h
index f7e560aa26a..f52469d770f 100644
--- a/gdb/location.h
+++ b/gdb/location.h
@@ -297,10 +297,6 @@ const explicit_location_spec *
 explicit_location_spec *
   as_explicit_location_spec (location_spec *locspec);
 
-/* Return a copy of the given SRC location spec.  */
-
-extern location_spec_up copy_location_spec (const location_spec *src);
-
 /* Attempt to convert the input string in *ARGP into a location_spec.
    ARGP is advanced past any processed input.  Always returns a non-nullptr
    location_spec unique pointer object.
-- 
2.36.0