aboutsummaryrefslogtreecommitdiff
path: root/gdb/parse.c
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/parse.c')
-rw-r--r--gdb/parse.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/gdb/parse.c b/gdb/parse.c
index 3dd7075..abf59d7 100644
--- a/gdb/parse.c
+++ b/gdb/parse.c
@@ -50,6 +50,7 @@
#include "objfiles.h"
#include "user-regs.h"
#include <algorithm>
+#include "common/gdb_optional.h"
/* Standard set of definitions for printing, dumping, prefixifying,
* and evaluating expressions. */
@@ -1136,7 +1137,7 @@ parse_exp_in_context_1 (const char **stringptr, CORE_ADDR pc,
const struct block *block,
int comma, int void_context_p, int *out_subexp)
{
- struct cleanup *old_chain, *inner_chain;
+ struct cleanup *old_chain;
const struct language_defn *lang = NULL;
struct parser_state ps;
int subexp;
@@ -1214,7 +1215,8 @@ parse_exp_in_context_1 (const char **stringptr, CORE_ADDR pc,
to the value matching SELECTED_FRAME as set by get_current_arch. */
initialize_expout (&ps, 10, lang, get_current_arch ());
- inner_chain = make_cleanup_restore_current_language ();
+
+ scoped_restore_current_language lang_saver;
set_language (lang->la_language);
TRY
@@ -1250,7 +1252,6 @@ parse_exp_in_context_1 (const char **stringptr, CORE_ADDR pc,
if (expressiondebug)
dump_prefix_expression (ps.expout, gdb_stdlog);
- do_cleanups (inner_chain);
discard_cleanups (old_chain);
*stringptr = lexptr;
@@ -1275,19 +1276,14 @@ parse_expression (const char *string)
expression_up
parse_expression_with_language (const char *string, enum language lang)
{
- struct cleanup *old_chain = NULL;
-
+ gdb::optional<scoped_restore_current_language> lang_saver;
if (current_language->la_language != lang)
{
- old_chain = make_cleanup_restore_current_language ();
+ lang_saver.emplace ();
set_language (lang);
}
- expression_up expr = parse_expression (string);
-
- if (old_chain != NULL)
- do_cleanups (old_chain);
- return expr;
+ return parse_expression (string);
}
/* Parse STRING as an expression. If parsing ends in the middle of a