#!/usr/bin/tclsh
#
# A wrapper around cg_annotate that sets appropriate command-line options
# and rearranges the output so that annotated files occur in a consistent
# sorted order.
#

set in [open |[list cg_annotate --show=Ir --auto=yes --context=40 {*}$argv] r]
set dest !
set out(!) {}
while {![eof $in]} {
    set line [string map {\t {        }} [gets $in]]
    if {[regexp {^-- Auto-annotated source: (.*)} $line all name]} {
	set dest $name
    } elseif {[regexp {^-- line \d+ ------} $line]} {
	set line [lreplace $line 2 2 {#}]
    } elseif {[regexp {^The following files chosen for } $line]} {
	set dest !
    }
    append out($dest) $line\n
}
foreach x [lsort [array names out]] {
    puts $out($x)
}