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435 lines
11 KiB
435 lines
11 KiB
#!/usr/bin/perl
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use warnings;
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use strict;
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use Getopt::Long;
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use File::Spec;
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my $text_filename = "";
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my $cxx_filename = "";
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my $verbose;
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my $cxx_output = "";
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my $depth = 0;
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my $reports_expected = 0;
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my @script_lines;
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my $named_switches = {};
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my $inside_test = 0;
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my $test_class = 'GeneratedKTest';
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GetOptions(
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"cxx=s" => \$cxx_filename, # string
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"ktest=s" => \$text_filename,
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"verbose" => \$verbose
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) # flag
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or die("Error in command line arguments\n");
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my $test;
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if ( -f $text_filename ) {
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load_from_text();
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}
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else {
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die "Couldn't find $text_filename";
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}
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generate_test_file();
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open( my $outfile, ">", $cxx_filename ) || die "Can't open output file $!";
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print $outfile $cxx_output;
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close($outfile);
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exit(0);
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sub load_from_text {
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my @content = ();
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open( my $text_fh, "<", $text_filename ) or die "Can't open file $!";
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my $line_num = 0;
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for my $line (<$text_fh>) {
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my ( $key, $content, $comment, $error, $type );
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$line_num++;
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chomp $line;
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$line =~ s/^\s+//;
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$line =~ s/\s+$//;
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if ( $line eq '' ) {
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next;
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}
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if ( $line =~ /^(.*?)\s*#\s*(.*)$/ ) {
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$line = $1;
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$comment = $2;
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}
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if ( $line =~ /^(.*?)\s+(.*)\s*$/ ) {
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$type = lc $1;
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$content = $2;
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}
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else {
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$error = "Couldn't parse line";
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}
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my $dispatcher = {
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version => sub {
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my $version = shift;
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if ( $version != 1 ) {
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die "This parser only supports v1";
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}
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return undef;
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},
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name => sub {
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my $name = shift;
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$name =~ s/\s(\w)/uc($1)/eg;
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return { test_name => $name };
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},
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keyswitch => sub {
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my $content = shift;
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if ( $content =~ /^(.*?)\s+(\d+)\s+(\d+)$/ ) {
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my $switch = $1;
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my $row = $2;
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my $col = $3;
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if ( exists $named_switches->{$switch} ) {
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die "Attempted to redefine '$switch' on line $line_num";
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}
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else {
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$named_switches->{$switch} = [ $row, $col ];
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}
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return undef;
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}
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},
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press => sub {
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my $content = shift;
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unless ( defined $named_switches->{$content} ) {
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die
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"Attempt to press undefined switch $content on line $line_num";
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}
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return { switch => $content };
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},
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release => sub {
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my $content = shift;
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unless ( defined $named_switches->{$content} ) {
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die
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"Attempt to release undefined switch $content on line $line_num";
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}
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return { switch => $content };
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},
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expect => sub {
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my $content = shift;
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if ( $content =~ /^no keyboard-report/ ) {
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return {
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report_type => 'keyboard',
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count => 0
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};
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}
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if ( $content =~ /^keyboard-report\s+(.*)$/ ) {
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my $report_data = $1;
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my @keys = split( /,?\s+/, $report_data );
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if ( $#keys == 0 && $keys[0] =~ /^empty$/i ) {
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@keys = ();
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}
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return {
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count => 1, # We expect one report here
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report_type => 'keyboard',
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keys => [@keys]
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};
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}
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else {
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die "Don't know how parse $content at line $line_num";
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}
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},
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run => sub {
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my $content = shift;
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if ( $content =~ /^(\d+)\s*(\w*?)$/ ) {
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my $count = $1;
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my $unit = $2;
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if ( $unit =~ /cycle/ ) {
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return { cycles => $count };
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}
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elsif ( $unit =~ /milli|ms/ ) {
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return { millis => $count };
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}
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else {
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die
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"Line $line_num: failed to parse a 'run' clause: $content";
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}
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}
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else {
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die
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"Line $line_num: failed to parse a 'run' clause: $content";
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}
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},
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};
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my $data;
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if ( $type && exists $dispatcher->{$type} ) {
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$data = $dispatcher->{$type}->($content);
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# an empty return means "don't put it in the script
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if ( !$data ) {
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next;
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}
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}
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push @content,
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{
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action => $type,
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content => $content,
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comment => $comment,
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data => $data,
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line_num => $line_num
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};
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}
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close($text_fh);
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@script_lines = @content;
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}
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sub generate_test_file {
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generate_preface();
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generate_key_addrs();
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generate_script();
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generate_postscript();
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if ( $depth != 0 ) {
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die "Unbalanced indentation";
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}
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}
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sub generate_key_addrs {
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cxx_section('Key Addresses');
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for my $key ( keys %$named_switches ) {
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cxx( "constexpr KeyAddr key_addr_$key {"
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. $named_switches->{$key}->[0] . ", "
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. $named_switches->{$key}->[1]
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. "};" );
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}
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}
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sub generate_start_new_test {
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my $name = shift;
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if ($inside_test) {
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generate_end_test();
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}
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cxx( "TEST_F(" . $test_class . "," . $name . ") {" );
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$inside_test = 1;
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indent();
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cxx("ClearState(); // Clear any state from previous tests");
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}
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sub generate_end_test {
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generate_check_expected_reports();
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outdent();
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cxx("} // TEST_F");
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cxx('');
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cxx('');
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cxx('');
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$inside_test = 0;
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}
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sub generate_script {
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cxx_section("Test script");
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# Super evil hack from https://stackoverflow.com/a/48924764
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# We should do this better, inside the core. But until we do
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# I'd rather stick the macro in the code generator so nobody
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# gets to use it from regular tests, boxing us in
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cxx('#define GTEST_COUT std::cerr << "[ INFO ] "');
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generate_start_new_test('KtestSourceFilename');
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cxx(
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"GTEST_COUT << \"test: @{[File::Spec->rel2abs( $text_filename ) ]}\" << std::endl;"
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);
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generate_end_test('');
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$reports_expected = 0;
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for my $entry (@script_lines) {
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if ( $entry->{comment} && ( !$entry->{action} ) ) {
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cxx_comment( $entry->{comment} );
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}
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elsif ( my $action = $entry->{action} ) {
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if ( $action eq 'name' ) {
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generate_start_new_test( $entry->{data}->{test_name} );
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}
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elsif ( !$inside_test && defined $action ) {
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die
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"Attempting to run an action '$action' when not inside a test section on line "
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. $entry->{line_num} . "\n";
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}
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elsif ( $action eq 'press' ) { generate_press($entry) }
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elsif ( $action eq 'release' ) { generate_release($entry); }
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elsif ( $action eq 'run' ) { generate_run($entry) }
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elsif ( $action eq 'expect' ) { generate_expect_report($entry); }
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else {
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die "$action unknown on line $entry->{line_num}";
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}
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}
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}
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if ($inside_test) {
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generate_end_test();
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}
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}
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sub generate_run {
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my $action = shift;
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if ( $action->{'comment'} ) {
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cxx_comment( $action->{'comment'} );
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}
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if ( $action->{data}->{'cycles'} ) {
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cxx( 'sim_.RunCycles(' . $action->{data}->{'cycles'} . ');' );
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}
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elsif ( $action->{data}->{'millis'} ) {
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cxx( 'sim_.RunForMillis(' . $action->{data}->{'millis'} . ');' );
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}
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}
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sub generate_press {
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my $e = shift;
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# TODO handle multuple presses
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cxx( "PressKey(key_addr_" . $e->{data}->{switch} . ");", $e->{comment} );
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}
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sub generate_release {
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my $e = shift;
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# TODO handle multiple releases
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cxx( "ReleaseKey(key_addr_" . $e->{data}->{switch} . ");", $e->{comment} );
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}
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sub generate_expect_report {
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my $report = shift;
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if ( !$report->{data}->{report_type}
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|| $report->{data}->{report_type} ne 'keyboard' )
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{
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die
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"Don't know how to work with expectaions of reports other than 'keyboard' reports at line #"
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. $report->{line_num} . "\n";
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}
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$reports_expected++;
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if ( $report->{data}->{count} == 0 ) {
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cxx_comment( $report->{comment} );
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cxx_comment(
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"We don't expect any report here, and have told the tests to check that"
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);
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return;
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}
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my $codes = join(
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", ",
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(
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ref( $report->{data}->{keys} )
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? @{ $report->{data}->{keys} }
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: ( $report->{data}->{keys} )
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)
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);
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cxx( "ExpectReport(Keycodes{$codes}, \"" . $report->{comment} . "\");" );
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cxx("");
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}
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sub generate_check_expected_reports {
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cxx("");
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cxx("LoadState();");
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cxx("CheckReports();");
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}
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sub generate_preface {
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my $preface = <<EOF;
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#include "testing/setup-googletest.h"
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#include "Kaleidoscope.h"
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// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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// !! WARNING! This test file was automatically generated. !!
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// !! It -will- be overwritten on on subsequent test runs. !!
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// !! Do not edit it. You will be sad, when you lose all !!
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// !! your changes. !!
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// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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// Source file: @{[File::Spec->rel2abs( $text_filename ) ]}
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SETUP_GOOGLETEST();
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namespace kaleidoscope {
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namespace testing {
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namespace {
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class @{[$test_class]} : public VirtualDeviceTest {};
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EOF
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for my $line ( split /\n/, $preface ) {
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cxx($line);
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}
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}
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sub generate_postscript {
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my $postscript = <<EOF;
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} // namespace
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} // namespace testing
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} // namespace kaleidoscope
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EOF
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for my $line ( split /\n/, $postscript ) {
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cxx($line);
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}
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}
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sub indent {
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$depth += 2;
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}
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sub outdent {
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$depth -= 2;
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if ( $depth < 0 ) {
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die "Tried to outdent beyond 0";
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}
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}
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sub cxx_section {
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my $line = shift;
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cxx('');
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cxx('');
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cxx_comment($line);
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cxx_comment( "=" x length($line) );
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cxx('');
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cxx('');
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}
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sub cxx_comment {
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my $line = shift;
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cxx( "// " . $line );
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}
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sub cxx {
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my $line = shift;
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my $comment = shift || '';
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$cxx_output .= " " x $depth;
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$cxx_output .= $line;
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$cxx_output .= $comment if ($comment);
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$cxx_output .= "\n";
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if ($verbose) {
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debug("$line");
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}
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}
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sub debug {
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my $msg = shift;
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print STDERR ( " " x $depth ) . $msg . "\n";
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}
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