Tcl exception codes cleanup, shutdown command amendments

[openocd] / src / helper / startup.tcl

diff --git a/src/helper/startup.tcl b/src/helper/startup.tcl
index a7c0d5844f8523031e0c612d70c9c59ec990364d..4ca2cabc26b91df3491aeba99871e597e4f113b6 100644 (file)
--- a/src/helper/startup.tcl
+++ b/src/helper/startup.tcl
@@ -16,10 +16,12 @@ proc exit {} {
 proc ocd_bouncer {name args} {
        set cmd [format "ocd_%s" $name]
        set type [eval ocd_command type $cmd $args]
+       set errcode error
        if {$type == "native"} {
                return [eval $cmd $args]
        } else {if {$type == "simple"} {
-               if {[catch {eval $cmd $args}] == 0} {
+               set errcode [catch {eval $cmd $args}]
+               if {$errcode == 0} {
                        return ""
                } else {
                        # 'classic' commands output error message as part of progress output
@@ -30,9 +32,9 @@ proc ocd_bouncer {name args} {
                set errmsg [format "%s: command requires more arguments" \
                        [concat $name " " $args]]
        } else {
-               set errmsg [format "Unknown command type: %s" $type]
+               set errmsg [format "invalid subcommand \"%s\"" $args]
        }}}
-       return -code error $errmsg
+       return -code $errcode $errmsg
 }
 
 # Try flipping / and \ to find file if the filename does not