| # -- catch.tcl |
| # |
| # Wrapper of the core [catch] command that checks whether |
| # an error condition is actually raised by [::rivet::abort_page] |
| # or [::rivet::exit]. In case the error is thrown again to allow |
| # the interpreter to interrupt and pass execution to AbortScript |
| # |
| # $Id: $ |
| # |
| |
| namespace eval ::rivet { |
| |
| proc catch {script args} { |
| |
| set catch_ret [uplevel [list ::catch $script {*}$args]] |
| |
| if {$catch_ret && [::rivet::abort_page -aborting]} { |
| |
| return -code error -errorcode {RIVET ABORTPAGE} "Page abort" |
| |
| } elseif {$catch_ret && [::rivet::abort_page -exiting]} { |
| |
| return -code error -errorcode {RIVET THREAD_EXIT} "Thread exit" |
| |
| } else { |
| |
| return $catch_ret |
| |
| } |
| |
| } |
| } |
