62e5649600
Rewrite the magical 'unknown' command in C as a Jim handler, allowing it to dispatch commands to any level in the tree.
80 lines
1.8 KiB
Tcl
80 lines
1.8 KiB
Tcl
# Defines basic Tcl procs that must exist for OpenOCD scripts to work.
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#
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# Embedded into OpenOCD executable
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#
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# We need to explicitly redirect this to the OpenOCD command
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# as Tcl defines the exit proc
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proc exit {} {
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ocd_throw exit
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}
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# Help text list. A list of command + help text pairs.
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proc cmd_help {cmdname h indent} {
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set indent [expr $indent * 2]
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set fmt_str [format "%%%ds%%-%ds %%s" $indent [expr 25 - $indent]]
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set w [expr 50 - $indent]
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set n 0
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while 1 {
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if {$n > [string length $h]} {break}
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set next_a [expr $n + $w]
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if {[string length $h] > $n + $w} \
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{
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set xxxx [string range $h $n [expr $n + $w]]
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for {set lastpos [expr [string length $xxxx] - 1]} \
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{$lastpos >= 0 && [string compare \
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[string range $xxxx $lastpos $lastpos] " "] != 0} \
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{set lastpos [expr $lastpos - 1]} \
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{
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}
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#set next_a -1
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if {$lastpos != -1} {
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set next_a [expr $lastpos + $n + 1]
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}
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}
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puts [format $fmt_str "" $cmdname \
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[string range $h $n [expr $next_a - 1]] ]
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set cmdname ""
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set n [expr $next_a]
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}
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}
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# Try flipping / and \ to find file if the filename does not
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# match the precise spelling
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proc find {filename} {
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if {[catch {ocd_find $filename} t]==0} {
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return $t
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}
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if {[catch {ocd_find [string map {\ /} $filename} t]==0} {
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return $t
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}
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if {[catch {ocd_find [string map {/ \\} $filename} t]==0} {
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return $t
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}
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# make sure error message matches original input string
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return -code error "Can't find $filename"
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}
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add_help_text find "<file> - print full path to file according to OpenOCD search rules"
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# Run script
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proc script {filename} {
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source [find $filename]
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}
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add_help_text script "<filename> - filename of OpenOCD script (tcl) to run"
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#########
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# catch any exceptions, capture output and return output
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proc capture_catch {a} {
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catch {
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capture {uplevel $a}
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} result
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return $result
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}
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