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# Defines basic Tcl procs that must exist for OpenOCD scripts to work.
#
# Embedded into OpenOCD executable
#
# We need to explicitly redirect this to the OpenOCD command
# as Tcl defines the exit proc
proc exit {} {
ocd_throw exit
}
# All commands are registered with an 'ocd_' prefix, while the "real"
# command is a wrapper that calls this function. Its primary purpose is
# to discard 'handler' command output,
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"} {
set errcode [catch {eval $cmd $args}]
if {$errcode == 0} {
return ""
} else {
# 'classic' commands output error message as part of progress output
set errmsg ""
}
} else {if {$type == "group"} {
catch {eval ocd_usage $name $args}
set errmsg [format "%s: command requires more arguments" \
[concat $name " " $args]]
} else {
set errmsg [format "invalid subcommand \"%s\"" $args]
}}}
return -code $errcode $errmsg
}
# Try flipping / and \ to find file if the filename does not
# match the precise spelling
proc find {filename} {
if {[catch {ocd_find $filename} t]==0} {
return $t
}
if {[catch {ocd_find [string map {\ /} $filename} t]==0} {
return $t
}
if {[catch {ocd_find [string map {/ \\} $filename} t]==0} {
return $t
}
# make sure error message matches original input string
return -code error "Can't find $filename"
}
add_usage_text find "<file>"
add_help_text find "print full path to file according to OpenOCD search rules"
# Find and run a script
proc script {filename} {
uplevel #0 [list source [find $filename]]
}
add_help_text script "filename of OpenOCD script (tcl) to run"
add_usage_text script "<file>"
#########
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