#!/usr/bin/perl -w

#

# For some reason the class metadata can't be relied on to determine whether a

# constructor or method is being overridden. Solution is to build using xcodebuild

# and use this script to parse the build log to patch in the overrides required.

#

use IO::File;

use strict;

foreach my $log (@ARGV) {

my $text = join '', (IO::File->new( "< $log/build.log" ) or die "File not found")->getlines();

my $pathStripped = $text =~ s@$ENV{PWD}/@@g;

my $xcodeStripped = $text =~ s@^( /Applications/Xcode|CompileSwift| export | cd |Check dependencies|=== BUILD TARGET).*\n@@gm;

my $spaceStripped = $text =~ s@\( \)@()@g;

my $linesStripped = $text =~ s@\n{2,}@\n@g;

if ( $pathStripped || $xcodeStripped || $spaceStripped || $linesStripped ) {

IO::File->new( "> $log/build.log" )->print( $text );

}

while ( $text =~ /([^\n:]+):.*? error: overriding declaration requires an 'override' keyword\n ([^{]*\{)/gm ) {

my ($source, $key) = ($1, $2);

warn ">>$1 $2<<\n";

next if !-f $source;

my $code = join '', IO::File->new( "< $source" )->getlines();

if ( $code =~ s/(?<!override )\Q$key\E/override $key/ ) {

IO::File->new( "> $source" )->print( $code );

}

}

}