Add "where" command to debugger (alias for backtrace).

4 files changed, 13 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 66e36060..07ec6572 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-28         Arnold D. Robbins     <arnold@skeeve.com>
+
+	* command.y (cmdtab): Add "where" as an alias for "backtrace".
+	Finally!
+
 2014-09-27         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* awkgram.y (check_for_bad): Bitwise-and the bad character with 0xFF
@@ -19,7 +24,7 @@
 	* awkgram.y (yylex): Don't check for junk characters inside
 	quoted strings.  Caused issues on DJGPP and Solaris.
 
-	Unrelated
+	Unrelated:
 
 	* io.c (devopen): Straighten things out with respect to
 	compatibility with BWK awk.
diff --git a/NEWS b/NEWS
index 2b921d51..f6fab602 100644
--- a/NEWS
+++ b/NEWS
@@ -30,6 +30,9 @@ Changes from 4.1.1 to 4.1.2
    If you feel that you must have this misfeature, use `configure --help'
    to see what option to use when configuring gawk to reenable it.
 
+7. The "where" command has been added to the debugger as an alias
+   for "backtrace". This will make life easier for long-time GDB users.
+
 XX. A number of bugs have been fixed. See the ChangeLog.
 
 Changes from 4.1.0 to 4.1.1
diff --git a/command.c b/command.c
index ad0dc372..2d4bc814 100644
--- a/command.c
+++ b/command.c
@@ -2648,6 +2648,8 @@ struct cmdtoken cmdtab[] = {
 	gettext_noop("up [N] - move N frames up the stack.") },
 { "watch", "w", D_watch, D_WATCH, do_watch,
 	gettext_noop("watch var - set a watchpoint for a variable.") },
+{ "where", "", D_backtrace, D_BACKTRACE, do_backtrace,
+	gettext_noop("where [N] - (same as backtrace) print trace of all or N innermost (outermost if N < 0) frames.") },
 { NULL, NULL, D_illegal, 0, (Func_cmd) 0,
 	 NULL },
 };
diff --git a/command.y b/command.y
index c67753b7..08893743 100644
--- a/command.y
+++ b/command.y
@@ -897,6 +897,8 @@ struct cmdtoken cmdtab[] = {
 	gettext_noop("up [N] - move N frames up the stack.") },
 { "watch", "w", D_watch, D_WATCH, do_watch,
 	gettext_noop("watch var - set a watchpoint for a variable.") },
+{ "where", "", D_backtrace, D_BACKTRACE, do_backtrace,
+	gettext_noop("where [N] - (same as backtrace) print trace of all or N innermost (outermost if N < 0) frames.") },
 { NULL, NULL, D_illegal, 0, (Func_cmd) 0,
 	 NULL },
 };