Mass rename `explicit' -> `explicit_loc'.

BuildBot reminded me that "explicit" is a reserved keyword in C++.
This patch simply renames all the (illegal) uses of "explicit". This should
fix the build errors with --enable-build-with-cxx bots.

gdb/ChangeLog

	* break-catch-throw.c (re_set_exception_catchpoint) Rename
	reserved C++ keyword "explicit" to "explicit_loc".
	* breakpoint.c (create_overlay_event_breakpoint)
	(create_longjmp_master_breakpoint)
	(create_std_terminate_master_breakpoint)
	(create_exception_master_breakpoint, update_static_tracepoint):
	Rename reserved C++ keyword "explicit" to "explicit_loc".
	* completer.c (collect_explicit_location_matches)
	(explicit_location_completer): Rename reserved C++ keyword
	"explicit" to "explicit_loc".
	* linespec.c (struct linespec) <explicit>: Rename to "explicit_loc".
	(canonicalize_linespec, create_sals_line_offset)
	(convert_linespec_to_sals, convert_explicit_location_to_sals)
	(event_location_to_sals, decode_objc): Rename reserved C++ keyword
	"explicit" to "explicit_loc".
	* location.c (struct event_location) <explicit>: Rename to
	"explicit_loc".
	(initialize_explicit_location, new_explicit_location)
	(explicit_location_to_string_internal, explicit_location_to_linespec):
	Rename reserved C++ keyword "explicit" to "explicit_loc".
	* location.h (explicit_location_to_string)
	(explicit_location_to_linespec, initialize_explicit_location)
	(new_explicit_location): Rename reserved C++ keyword "explicit"
	to "explicit_loc".
	* mi/mi-cmd-break.c (mi_cmd_break_insert_1): Rename reserved C++
	keyword "explicit" to "explicit_loc".

8 files changed, 162 insertions, 127 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 99b0eb8..f33faaa 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -54,6 +54,35 @@
 
 2015-08-12  Keith Seitz  <keiths@redhat.com>
 
+	* break-catch-throw.c (re_set_exception_catchpoint) Rename
+	reserved C++ keyword "explicit" to "explicit_loc".
+	* breakpoint.c (create_overlay_event_breakpoint)
+	(create_longjmp_master_breakpoint)
+	(create_std_terminate_master_breakpoint)
+	(create_exception_master_breakpoint, update_static_tracepoint):
+	Rename reserved C++ keyword "explicit" to "explicit_loc".
+	* completer.c (collect_explicit_location_matches)
+	(explicit_location_completer): Rename reserved C++ keyword
+	"explicit" to "explicit_loc".
+	* linespec.c (struct linespec) <explicit>: Rename to "explicit_loc".
+	(canonicalize_linespec, create_sals_line_offset)
+	(convert_linespec_to_sals, convert_explicit_location_to_sals)
+	(event_location_to_sals, decode_objc): Rename reserved C++ keyword
+	"explicit" to "explicit_loc".
+	* location.c (struct event_location) <explicit>: Rename to
+	"explicit_loc".
+	(initialize_explicit_location, new_explicit_location)
+	(explicit_location_to_string_internal, explicit_location_to_linespec):
+	Rename reserved C++ keyword "explicit" to "explicit_loc".
+	* location.h (explicit_location_to_string)
+	(explicit_location_to_linespec, initialize_explicit_location)
+	(new_explicit_location): Rename reserved C++ keyword "explicit"
+	to "explicit_loc".
+	* mi/mi-cmd-break.c (mi_cmd_break_insert_1): Rename reserved C++
+	keyword "explicit" to "explicit_loc".
+
+2015-08-12  Keith Seitz  <keiths@redhat.com>
+
 	* python/python.c (gdbpy_decode_line): Initialize `location' to NULL
 	and only call decode_line_1 when it is non-NULL.
 
diff --git a/gdb/break-catch-throw.c b/gdb/break-catch-throw.c
index 209c3e3..1ba505b 100644
--- a/gdb/break-catch-throw.c
+++ b/gdb/break-catch-throw.c
@@ -229,12 +229,12 @@ re_set_exception_catchpoint (struct breakpoint *self)
 	 catchpoint mode.  */
       TRY
 	{
-	  struct explicit_location explicit;
+	  struct explicit_location explicit_loc;
 
-	  initialize_explicit_location (&explicit);
-	  explicit.function_name
+	  initialize_explicit_location (&explicit_loc);
+	  explicit_loc.function_name
 	    = ASTRDUP (exception_functions[kind].function);
-	  location = new_explicit_location (&explicit);
+	  location = new_explicit_location (&explicit_loc);
 	  cleanup = make_cleanup_delete_event_location (location);
 	  self->ops->decode_location (self, location, &sals);
 	  do_cleanups (cleanup);
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index a6994c7..052aeb9 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -3424,7 +3424,7 @@ create_overlay_event_breakpoint (void)
       struct breakpoint *b;
       struct breakpoint_objfile_data *bp_objfile_data;
       CORE_ADDR addr;
-      struct explicit_location explicit;
+      struct explicit_location explicit_loc;
 
       bp_objfile_data = get_breakpoint_objfile_data (objfile);
 
@@ -3449,9 +3449,9 @@ create_overlay_event_breakpoint (void)
       b = create_internal_breakpoint (get_objfile_arch (objfile), addr,
                                       bp_overlay_event,
 				      &internal_breakpoint_ops);
-      initialize_explicit_location (&explicit);
-      explicit.function_name = ASTRDUP (func_name);
-      b->location = new_explicit_location (&explicit);
+      initialize_explicit_location (&explicit_loc);
+      explicit_loc.function_name = ASTRDUP (func_name);
+      b->location = new_explicit_location (&explicit_loc);
 
       if (overlay_debugging == ovly_auto)
         {
@@ -3548,7 +3548,7 @@ create_longjmp_master_breakpoint (void)
 	  struct breakpoint *b;
 	  const char *func_name;
 	  CORE_ADDR addr;
-	  struct explicit_location explicit;
+	  struct explicit_location explicit_loc;
 
 	  if (msym_not_found_p (bp_objfile_data->longjmp_msym[i].minsym))
 	    continue;
@@ -3571,9 +3571,9 @@ create_longjmp_master_breakpoint (void)
 	  addr = BMSYMBOL_VALUE_ADDRESS (bp_objfile_data->longjmp_msym[i]);
 	  b = create_internal_breakpoint (gdbarch, addr, bp_longjmp_master,
 					  &internal_breakpoint_ops);
-	  initialize_explicit_location (&explicit);
-	  explicit.function_name = ASTRDUP (func_name);
-	  b->location = new_explicit_location (&explicit);
+	  initialize_explicit_location (&explicit_loc);
+	  explicit_loc.function_name = ASTRDUP (func_name);
+	  b->location = new_explicit_location (&explicit_loc);
 	  b->enable_state = bp_disabled;
 	}
     }
@@ -3604,7 +3604,7 @@ create_std_terminate_master_breakpoint (void)
     {
       struct breakpoint *b;
       struct breakpoint_objfile_data *bp_objfile_data;
-      struct explicit_location explicit;
+      struct explicit_location explicit_loc;
 
       bp_objfile_data = get_breakpoint_objfile_data (objfile);
 
@@ -3630,9 +3630,9 @@ create_std_terminate_master_breakpoint (void)
       b = create_internal_breakpoint (get_objfile_arch (objfile), addr,
                                       bp_std_terminate_master,
 				      &internal_breakpoint_ops);
-      initialize_explicit_location (&explicit);
-      explicit.function_name = ASTRDUP (func_name);
-      b->location = new_explicit_location (&explicit);
+      initialize_explicit_location (&explicit_loc);
+      explicit_loc.function_name = ASTRDUP (func_name);
+      b->location = new_explicit_location (&explicit_loc);
       b->enable_state = bp_disabled;
     }
   }
@@ -3656,7 +3656,7 @@ create_exception_master_breakpoint (void)
       struct gdbarch *gdbarch;
       struct breakpoint_objfile_data *bp_objfile_data;
       CORE_ADDR addr;
-      struct explicit_location explicit;
+      struct explicit_location explicit_loc;
 
       bp_objfile_data = get_breakpoint_objfile_data (objfile);
 
@@ -3737,9 +3737,9 @@ create_exception_master_breakpoint (void)
 						 &current_target);
       b = create_internal_breakpoint (gdbarch, addr, bp_exception_master,
 				      &internal_breakpoint_ops);
-      initialize_explicit_location (&explicit);
-      explicit.function_name = ASTRDUP (func_name);
-      b->location = new_explicit_location (&explicit);
+      initialize_explicit_location (&explicit_loc);
+      explicit_loc.function_name = ASTRDUP (func_name);
+      b->location = new_explicit_location (&explicit_loc);
       b->enable_state = bp_disabled;
     }
 
@@ -13947,7 +13947,7 @@ update_static_tracepoint (struct breakpoint *b, struct symtab_and_line sal)
 	  struct symbol *sym;
 	  struct static_tracepoint_marker *tpmarker;
 	  struct ui_out *uiout = current_uiout;
-	  struct explicit_location explicit;
+	  struct explicit_location explicit_loc;
 
 	  tpmarker = VEC_index (static_tracepoint_marker_p, markers, 0);
 
@@ -13989,12 +13989,12 @@ update_static_tracepoint (struct breakpoint *b, struct symtab_and_line sal)
 	  b->loc->symtab = sym != NULL ? sal2.symtab : NULL;
 
 	  delete_event_location (b->location);
-	  initialize_explicit_location (&explicit);
-	  explicit.source_filename
+	  initialize_explicit_location (&explicit_loc);
+	  explicit_loc.source_filename
 	    = ASTRDUP (symtab_to_filename_for_display (sal2.symtab));
-	  explicit.line_offset.offset = b->loc->line_number;
-	  explicit.line_offset.sign = LINE_OFFSET_NONE;
-	  b->location = new_explicit_location (&explicit);
+	  explicit_loc.line_offset.offset = b->loc->line_number;
+	  explicit_loc.line_offset.sign = LINE_OFFSET_NONE;
+	  b->location = new_explicit_location (&explicit_loc);
 
 	  /* Might be nice to check if function changed, and warn if
 	     so.  */
diff --git a/gdb/completer.c b/gdb/completer.c
index 7fc27b1..821f882 100644
--- a/gdb/completer.c
+++ b/gdb/completer.c
@@ -358,14 +358,15 @@ collect_explicit_location_matches (struct event_location *location,
 				   const char *word)
 {
   VEC (char_ptr) *matches = NULL;
-  const struct explicit_location *explicit = get_explicit_location (location);
+  const struct explicit_location *explicit_loc
+    = get_explicit_location (location);
 
   switch (what)
     {
     case MATCH_SOURCE:
       {
-	const char *text = (explicit->source_filename == NULL
-			    ? "" : explicit->source_filename);
+	const char *text = (explicit_loc->source_filename == NULL
+			    ? "" : explicit_loc->source_filename);
 
 	matches = make_source_files_completion_list (text, word);
       }
@@ -373,14 +374,14 @@ collect_explicit_location_matches (struct event_location *location,
 
     case MATCH_FUNCTION:
       {
-	const char *text = (explicit->function_name == NULL
-			    ? "" : explicit->function_name);
+	const char *text = (explicit_loc->function_name == NULL
+			    ? "" : explicit_loc->function_name);
 
-	if (explicit->source_filename != NULL)
+	if (explicit_loc->source_filename != NULL)
 	  {
-	    matches
-	      = make_file_symbol_completion_list (text, word,
-						  explicit->source_filename);
+	    const char *filename = explicit_loc->source_filename;
+
+	    matches = make_file_symbol_completion_list (text, word, filename);
 	  }
 	else
 	  matches = make_symbol_completion_list (text, word);
@@ -451,7 +452,8 @@ explicit_location_completer (struct cmd_list_element *ignore,
       size_t len, offset;
       const char *new_word, *end;
       enum explicit_location_match_type what;
-      struct explicit_location *explicit = get_explicit_location (location);
+      struct explicit_location *explicit_loc
+	= get_explicit_location (location);
 
       /* Backup P to the previous word, which should be the option
 	 the user is attempting to complete.  */
@@ -463,17 +465,17 @@ explicit_location_completer (struct cmd_list_element *ignore,
       if (strncmp (p, "-source", len) == 0)
 	{
 	  what = MATCH_SOURCE;
-	  new_word = explicit->source_filename + offset;
+	  new_word = explicit_loc->source_filename + offset;
 	}
       else if (strncmp (p, "-function", len) == 0)
 	{
 	  what = MATCH_FUNCTION;
-	  new_word = explicit->function_name + offset;
+	  new_word = explicit_loc->function_name + offset;
 	}
       else if (strncmp (p, "-label", len) == 0)
 	{
 	  what = MATCH_LABEL;
-	  new_word = explicit->label_name + offset;
+	  new_word = explicit_loc->label_name + offset;
 	}
       else
 	{
diff --git a/gdb/linespec.c b/gdb/linespec.c
index ff8ae05..00fa4ba 100644
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -72,7 +72,7 @@ DEF_VEC_O (bound_minimal_symbol_d);
 struct linespec
 {
   /* An explicit location describing the SaLs.  */
-  struct explicit_location explicit;
+  struct explicit_location explicit_loc;
 
   /* The list of symtabs to search to which to limit the search.  May not
      be NULL.  If explicit.SOURCE_FILENAME is NULL (no user-specified
@@ -256,7 +256,7 @@ typedef struct ls_parser linespec_parser;
 
 /* A convenience macro for accessing the explicit location result of
    the parser.  */
-#define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit)
+#define PARSER_EXPLICIT(PPTR) (&PARSER_RESULT ((PPTR))->explicit_loc)
 
 /* Prototypes for local functions.  */
 
@@ -1769,21 +1769,22 @@ static void
 canonicalize_linespec (struct linespec_state *state, const linespec_p ls)
 {
   struct event_location *canon;
-  struct explicit_location *explicit;
+  struct explicit_location *explicit_loc;
 
   /* If canonicalization was not requested, no need to do anything.  */
   if (!state->canonical)
     return;
 
   /* Save everything as an explicit location.  */
-  canon = state->canonical->location = new_explicit_location (&ls->explicit);
-  explicit = get_explicit_location (canon);
+  canon = state->canonical->location
+    = new_explicit_location (&ls->explicit_loc);
+  explicit_loc = get_explicit_location (canon);
 
-  if (explicit->label_name != NULL)
+  if (explicit_loc->label_name != NULL)
     {
       state->canonical->special_display = 1;
 
-      if (explicit->function_name == NULL)
+      if (explicit_loc->function_name == NULL)
 	{
 	  struct symbol *s;
 
@@ -1792,7 +1793,7 @@ canonicalize_linespec (struct linespec_state *state, const linespec_p ls)
 		      && (VEC_length (symbolp, ls->labels.function_symbols)
 			  == 1));
 	  s = VEC_index (symbolp, ls->labels.function_symbols, 0);
-	  explicit->function_name = xstrdup (SYMBOL_NATURAL_NAME (s));
+	  explicit_loc->function_name = xstrdup (SYMBOL_NATURAL_NAME (s));
 	}
     }
 
@@ -1800,7 +1801,7 @@ canonicalize_linespec (struct linespec_state *state, const linespec_p ls)
      representation of it for display and saving to file.  */
   if (state->is_linespec)
     {
-      char *linespec = explicit_location_to_linespec (explicit);
+      char *linespec = explicit_location_to_linespec (explicit_loc);
 
       set_event_location_string (canon, linespec);
       xfree (linespec);
@@ -1844,18 +1845,18 @@ create_sals_line_offset (struct linespec_state *self,
       use_default = 1;
     }
 
-  val.line = ls->explicit.line_offset.offset;
-  switch (ls->explicit.line_offset.sign)
+  val.line = ls->explicit_loc.line_offset.offset;
+  switch (ls->explicit_loc.line_offset.sign)
     {
     case LINE_OFFSET_PLUS:
-      if (ls->explicit.line_offset.offset == 0)
+      if (ls->explicit_loc.line_offset.offset == 0)
 	val.line = 5;
       if (use_default)
 	val.line = self->default_line + val.line;
       break;
 
     case LINE_OFFSET_MINUS:
-      if (ls->explicit.line_offset.offset == 0)
+      if (ls->explicit_loc.line_offset.offset == 0)
 	val.line = 15;
       if (use_default)
 	val.line = self->default_line - val.line;
@@ -1947,9 +1948,9 @@ create_sals_line_offset (struct linespec_state *self,
 
   if (values.nelts == 0)
     {
-      if (ls->explicit.source_filename)
+      if (ls->explicit_loc.source_filename)
 	throw_error (NOT_FOUND_ERROR, _("No line %d in file \"%s\"."),
-		     val.line, ls->explicit.source_filename);
+		     val.line, ls->explicit_loc.source_filename);
       else
 	throw_error (NOT_FOUND_ERROR, _("No line %d in the current file."),
 		     val.line);
@@ -2046,13 +2047,13 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
 	    }
 	}
     }
-  else if (ls->explicit.line_offset.sign != LINE_OFFSET_UNKNOWN)
+  else if (ls->explicit_loc.line_offset.sign != LINE_OFFSET_UNKNOWN)
     {
       /* Only an offset was specified.  */
 	sals = create_sals_line_offset (state, ls);
 
 	/* Make sure we have a filename for canonicalization.  */
-	if (ls->explicit.source_filename == NULL)
+	if (ls->explicit_loc.source_filename == NULL)
 	  {
 	    const char *fullname = symtab_to_fullname (state->default_symtab);
 
@@ -2060,7 +2061,7 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
 	       form so that displaying SOURCE_FILENAME can follow the current
 	       FILENAME_DISPLAY_STRING setting.  But as it is used only rarely
 	       it has been kept for code simplicity only in absolute form.  */
-	    ls->explicit.source_filename = xstrdup (fullname);
+	    ls->explicit_loc.source_filename = xstrdup (fullname);
 	  }
     }
   else
@@ -2077,29 +2078,30 @@ convert_linespec_to_sals (struct linespec_state *state, linespec_p ls)
   return sals;
 }
 
-/* Convert the explicit location EXPLICIT into SaLs.  */
+/* Convert the explicit location EXPLICIT_LOC into SaLs.  */
 
 static struct symtabs_and_lines
 convert_explicit_location_to_sals (struct linespec_state *self,
 				   linespec_p result,
-				   const struct explicit_location *explicit)
+				   const struct explicit_location *explicit_loc)
 {
   VEC (symbolp) *symbols, *labels;
   VEC (bound_minimal_symbol_d) *minimal_symbols;
 
-  if (explicit->source_filename != NULL)
+  if (explicit_loc->source_filename != NULL)
     {
       TRY
 	{
 	  result->file_symtabs
-	    = symtabs_from_filename (explicit->source_filename);
+	    = symtabs_from_filename (explicit_loc->source_filename);
 	}
       CATCH (except, RETURN_MASK_ERROR)
 	{
-	  source_file_not_found_error (explicit->source_filename);
+	  source_file_not_found_error (explicit_loc->source_filename);
 	}
       END_CATCH
-      result->explicit.source_filename = xstrdup (explicit->source_filename);
+      result->explicit_loc.source_filename
+	= xstrdup (explicit_loc->source_filename);
     }
   else
     {
@@ -2107,38 +2109,39 @@ convert_explicit_location_to_sals (struct linespec_state *self,
       VEC_safe_push (symtab_ptr, result->file_symtabs, NULL);
     }
 
-  if (explicit->function_name != NULL)
+  if (explicit_loc->function_name != NULL)
     {
       find_linespec_symbols (self, result->file_symtabs,
-			     explicit->function_name, &symbols,
+			     explicit_loc->function_name, &symbols,
 			     &minimal_symbols);
 
       if (symbols == NULL && minimal_symbols == NULL)
-	symbol_not_found_error (explicit->function_name,
-				result->explicit.source_filename);
+	symbol_not_found_error (explicit_loc->function_name,
+				result->explicit_loc.source_filename);
 
-      result->explicit.function_name = xstrdup (explicit->function_name);
+      result->explicit_loc.function_name
+	= xstrdup (explicit_loc->function_name);
       result->function_symbols = symbols;
       result->minimal_symbols = minimal_symbols;
     }
 
-  if (explicit->label_name != NULL)
+  if (explicit_loc->label_name != NULL)
     {
       symbols = NULL;
       labels = find_label_symbols (self, result->function_symbols,
-				   &symbols, explicit->label_name);
+				   &symbols, explicit_loc->label_name);
 
       if (labels == NULL)
-	undefined_label_error (result->explicit.function_name,
-			       explicit->label_name);
+	undefined_label_error (result->explicit_loc.function_name,
+			       explicit_loc->label_name);
 
-      result->explicit.label_name = xstrdup (explicit->label_name);
+      result->explicit_loc.label_name = xstrdup (explicit_loc->label_name);
       result->labels.label_symbols = labels;
       result->labels.function_symbols = symbols;
     }
 
-  if (explicit->line_offset.sign != LINE_OFFSET_UNKNOWN)
-    result->explicit.line_offset = explicit->line_offset;
+  if (explicit_loc->line_offset.sign != LINE_OFFSET_UNKNOWN)
+    result->explicit_loc.line_offset = explicit_loc->line_offset;
 
    return convert_linespec_to_sals (self, result);
 }
@@ -2501,12 +2504,12 @@ event_location_to_sals (linespec_parser *parser,
 
     case EXPLICIT_LOCATION:
       {
-	const struct explicit_location *explicit;
+	const struct explicit_location *explicit_loc;
 
-	explicit = get_explicit_location_const (location);
+	explicit_loc = get_explicit_location_const (location);
 	result = convert_explicit_location_to_sals (PARSER_STATE (parser),
 						    PARSER_RESULT (parser),
-						    explicit);
+						    explicit_loc);
       }
       break;
 
@@ -2759,7 +2762,7 @@ decode_objc (struct linespec_state *self, linespec_p ls, const char *arg)
       memcpy (saved_arg, arg, new_argptr - arg);
       saved_arg[new_argptr - arg] = '\0';
 
-      ls->explicit.function_name = xstrdup (saved_arg);
+      ls->explicit_loc.function_name = xstrdup (saved_arg);
       ls->function_symbols = info.result.symbols;
       ls->minimal_symbols = info.result.minimal_symbols;
       values = convert_linespec_to_sals (self, ls);
@@ -2770,10 +2773,10 @@ decode_objc (struct linespec_state *self, linespec_p ls, const char *arg)
 
 	  self->canonical->pre_expanded = 1;
 
-	  if (ls->explicit.source_filename)
+	  if (ls->explicit_loc.source_filename)
 	    {
 	      str = xstrprintf ("%s:%s",
-				ls->explicit.source_filename, saved_arg);
+				ls->explicit_loc.source_filename, saved_arg);
 	    }
 	  else
 	    str = xstrdup (saved_arg);
diff --git a/gdb/location.c b/gdb/location.c
index 675c8d9..49067b9 100644
--- a/gdb/location.c
+++ b/gdb/location.c
@@ -52,8 +52,8 @@ struct event_location
 #define EL_ADDRESS(PTR) (PTR)->u.address
 
     /* An explicit location.  */
-    struct explicit_location explicit;
-#define EL_EXPLICIT(PTR) (&((PTR)->u.explicit))
+    struct explicit_location explicit_loc;
+#define EL_EXPLICIT(PTR) (&((PTR)->u.explicit_loc))
   } u;
 
   /* Cached string representation of this location.  This is used, e.g., to
@@ -73,10 +73,10 @@ event_location_type (const struct event_location *location)
 /* See description in location.h.  */
 
 void
-initialize_explicit_location (struct explicit_location *explicit)
+initialize_explicit_location (struct explicit_location *explicit_loc)
 {
-  memset (explicit, 0, sizeof (struct explicit_location));
-  explicit->line_offset.sign = LINE_OFFSET_UNKNOWN;
+  memset (explicit_loc, 0, sizeof (struct explicit_location));
+  explicit_loc->line_offset.sign = LINE_OFFSET_UNKNOWN;
 }
 
 /* See description in location.h.  */
@@ -158,30 +158,30 @@ get_probe_location (const struct event_location *location)
 /* See description in location.h.  */
 
 struct event_location *
-new_explicit_location (const struct explicit_location *explicit)
+new_explicit_location (const struct explicit_location *explicit_loc)
 {
   struct event_location tmp;
 
   memset (&tmp, 0, sizeof (struct event_location));
   EL_TYPE (&tmp) = EXPLICIT_LOCATION;
   initialize_explicit_location (EL_EXPLICIT (&tmp));
-  if (explicit != NULL)
+  if (explicit_loc != NULL)
     {
-      if (explicit->source_filename != NULL)
+      if (explicit_loc->source_filename != NULL)
 	{
 	  EL_EXPLICIT (&tmp)->source_filename
-	    = explicit->source_filename;
+	    = explicit_loc->source_filename;
 	}
 
-      if (explicit->function_name != NULL)
+      if (explicit_loc->function_name != NULL)
 	EL_EXPLICIT (&tmp)->function_name
-	  = explicit->function_name;
+	  = explicit_loc->function_name;
 
-      if (explicit->label_name != NULL)
-	EL_EXPLICIT (&tmp)->label_name = explicit->label_name;
+      if (explicit_loc->label_name != NULL)
+	EL_EXPLICIT (&tmp)->label_name = explicit_loc->label_name;
 
-      if (explicit->line_offset.sign != LINE_OFFSET_UNKNOWN)
-	EL_EXPLICIT (&tmp)->line_offset = explicit->line_offset;
+      if (explicit_loc->line_offset.sign != LINE_OFFSET_UNKNOWN)
+	EL_EXPLICIT (&tmp)->line_offset = explicit_loc->line_offset;
     }
 
   return copy_event_location (&tmp);
@@ -206,14 +206,14 @@ get_explicit_location_const (const struct event_location *location)
 }
 
 /* This convenience function returns a malloc'd string which
-   represents the location in EXPLICIT.
+   represents the location in EXPLICIT_LOC.
 
    AS_LINESPEC is non-zero if this string should be a linespec.
    Otherwise it will be output in explicit form.  */
 
 static char *
 explicit_to_string_internal (int as_linespec,
-			     const struct explicit_location *explicit)
+			     const struct explicit_location *explicit_loc)
 {
   struct ui_file *buf;
   char space, *result;
@@ -224,45 +224,45 @@ explicit_to_string_internal (int as_linespec,
   buf = mem_fileopen ();
   cleanup = make_cleanup_ui_file_delete (buf);
 
-  if (explicit->source_filename != NULL)
+  if (explicit_loc->source_filename != NULL)
     {
       if (!as_linespec)
 	fputs_unfiltered ("-source ", buf);
-      fputs_unfiltered (explicit->source_filename, buf);
+      fputs_unfiltered (explicit_loc->source_filename, buf);
       need_space = 1;
     }
 
-  if (explicit->function_name != NULL)
+  if (explicit_loc->function_name != NULL)
     {
       if (need_space)
 	fputc_unfiltered (space, buf);
       if (!as_linespec)
 	fputs_unfiltered ("-function ", buf);
-      fputs_unfiltered (explicit->function_name, buf);
+      fputs_unfiltered (explicit_loc->function_name, buf);
       need_space = 1;
     }
 
-  if (explicit->label_name != NULL)
+  if (explicit_loc->label_name != NULL)
     {
       if (need_space)
 	fputc_unfiltered (space, buf);
       if (!as_linespec)
 	fputs_unfiltered ("-label ", buf);
-      fputs_unfiltered (explicit->label_name, buf);
+      fputs_unfiltered (explicit_loc->label_name, buf);
       need_space = 1;
     }
 
-  if (explicit->line_offset.sign != LINE_OFFSET_UNKNOWN)
+  if (explicit_loc->line_offset.sign != LINE_OFFSET_UNKNOWN)
     {
       if (need_space)
 	fputc_unfiltered (space, buf);
       if (!as_linespec)
 	fputs_unfiltered ("-line ", buf);
       fprintf_filtered (buf, "%s%d",
-			(explicit->line_offset.sign == LINE_OFFSET_NONE ? ""
-			 : (explicit->line_offset.sign
+			(explicit_loc->line_offset.sign == LINE_OFFSET_NONE ? ""
+			 : (explicit_loc->line_offset.sign
 			    == LINE_OFFSET_PLUS ? "+" : "-")),
-			explicit->line_offset.offset);
+			explicit_loc->line_offset.offset);
     }
 
   result = ui_file_xstrdup (buf, NULL);
@@ -273,17 +273,17 @@ explicit_to_string_internal (int as_linespec,
 /* See description in location.h.  */
 
 char *
-explicit_location_to_string (const struct explicit_location *explicit)
+explicit_location_to_string (const struct explicit_location *explicit_loc)
 {
-  return explicit_to_string_internal (0, explicit);
+  return explicit_to_string_internal (0, explicit_loc);
 }
 
 /* See description in location.h.  */
 
 char *
-explicit_location_to_linespec (const struct explicit_location *explicit)
+explicit_location_to_linespec (const struct explicit_location *explicit_loc)
 {
-  return explicit_to_string_internal (1, explicit);
+  return explicit_to_string_internal (1, explicit_loc);
 }
 
 /* See description in location.h.  */
diff --git a/gdb/location.h b/gdb/location.h
index 31ae59a..932e3ce 100644
--- a/gdb/location.h
+++ b/gdb/location.h
@@ -97,13 +97,13 @@ extern enum event_location_type
    explicit location.  The location must already be canonicalized/valid.  */
 
 extern char *
-  explicit_location_to_string (const struct explicit_location *explicit);
+  explicit_location_to_string (const struct explicit_location *explicit_loc);
 
 /* Return a malloc'd linespec string representation of the given
    explicit location.  The location must already be canonicalized/valid.  */
 
 extern char *
-  explicit_location_to_linespec (const struct explicit_location *explicit);
+  explicit_location_to_linespec (const struct explicit_location *explicit_loc);
 
 /* Return a string representation of the LOCATION.
    This function may return NULL for unspecified linespecs,
@@ -152,7 +152,8 @@ extern const char *
 
 /* Initialize the given explicit location.  */
 
-extern void initialize_explicit_location (struct explicit_location *explicit);
+extern void
+  initialize_explicit_location (struct explicit_location *explicit_loc);
 
 /* Create a new explicit location.  If not NULL, EXPLICIT is checked for
    validity.  If invalid, an exception is thrown.
@@ -161,7 +162,7 @@ extern void initialize_explicit_location (struct explicit_location *explicit);
    delete_event_location.  */
 
 extern struct event_location *
-  new_explicit_location (const struct explicit_location *explicit);
+  new_explicit_location (const struct explicit_location *explicit_loc);
 
 /* Return the explicit location of the given event_location
    (which must be of type EXPLICIT_LOCATION).  */
diff --git a/gdb/mi/mi-cmd-break.c b/gdb/mi/mi-cmd-break.c
index 4aded13..74929ed 100644
--- a/gdb/mi/mi-cmd-break.c
+++ b/gdb/mi/mi-cmd-break.c
@@ -183,7 +183,7 @@ mi_cmd_break_insert_1 (int dprintf, char *command, char **argv, int argc)
   struct event_location *location;
   struct breakpoint_ops *ops;
   int is_explicit = 0;
-  struct explicit_location explicit;
+  struct explicit_location explicit_loc;
   char *extra_string = NULL;
 
   enum opt
@@ -216,7 +216,7 @@ mi_cmd_break_insert_1 (int dprintf, char *command, char **argv, int argc)
   int oind = 0;
   char *oarg;
 
-  initialize_explicit_location (&explicit);
+  initialize_explicit_location (&explicit_loc);
 
   while (1)
     {
@@ -252,19 +252,19 @@ mi_cmd_break_insert_1 (int dprintf, char *command, char **argv, int argc)
 	  break;
 	case EXPLICIT_SOURCE_OPT:
 	  is_explicit = 1;
-	  explicit.source_filename = oarg;
+	  explicit_loc.source_filename = oarg;
 	  break;
 	case EXPLICIT_FUNC_OPT:
 	  is_explicit = 1;
-	  explicit.function_name = oarg;
+	  explicit_loc.function_name = oarg;
 	  break;
 	case EXPLICIT_LABEL_OPT:
 	  is_explicit = 1;
-	  explicit.label_name = oarg;
+	  explicit_loc.label_name = oarg;
 	  break;
 	case EXPLICIT_LINE_OPT:
 	  is_explicit = 1;
-	  explicit.line_offset = linespec_parse_line_offset (oarg);
+	  explicit_loc.line_offset = linespec_parse_line_offset (oarg);
 	  break;
 	}
     }
@@ -330,14 +330,14 @@ mi_cmd_break_insert_1 (int dprintf, char *command, char **argv, int argc)
     {
       /* Error check -- we must have one of the other
 	 parameters specified.  */
-      if (explicit.source_filename != NULL
-	  && explicit.function_name == NULL
-	  && explicit.label_name == NULL
-	  && explicit.line_offset.sign == LINE_OFFSET_UNKNOWN)
+      if (explicit_loc.source_filename != NULL
+	  && explicit_loc.function_name == NULL
+	  && explicit_loc.label_name == NULL
+	  && explicit_loc.line_offset.sign == LINE_OFFSET_UNKNOWN)
 	error (_("-%s-insert: --source option requires --function, --label,"
 		 " or --line"), dprintf ? "dprintf" : "break");
 
-      location = new_explicit_location (&explicit);
+      location = new_explicit_location (&explicit_loc);
     }
   else
     {