#! /usr/local/bin/perl 

# Usage: summarise prefix_1 ...prefix_n
#
# Tries to match lines of input against a list of prefixes.
# Non-matching lines are copied to stdout.
# Matching lines are collected together and printed in the form:
#
#  prefix{suffix1, ... suffixn}
#
# Often used in conjunction with imports and exports:
#
#  exports liboskit_kern.a \
#  | summarise pdir_ oskit_ pic_ i16_bios_ i16_ phys_ intr_ \
#              mem_ gdb_ console_ com_ dos_ cpu_ base_critical_ \
#              base_ anno_ direct_cons_
#
#  imports liboskit_kern.a  | summarise str lmm osenv_ oskit_ 


foreach $prefix (@ARGV) {
    @entries{$prefix} = [];
}

LINE: while (<STDIN>) {
    foreach $prefix (@ARGV) {
	if (/^(\s*)$prefix(\w*)/) {
	    $foo = $entries{$prefix};
	    push(@$foo,$2);
	    $indent = $1;
	    next LINE;
	}
    }
    print;
}

foreach $prefix (@ARGV) {
    $foo = $entries{$prefix};
    print "$indent$prefix\{", join(",",@$foo), "}\n";
}