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Merge pull request #1442 from fwalch/improve-legacy2luatest

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Improve legacy2luatest script.
This commit is contained in:
Justin M. Keyes 2014-11-10 12:15:19 -05:00
commit 20b895e624
1 changed files with 95 additions and 75 deletions
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170
scripts/legacy2luatest.pl
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@ -33,7 +33,52 @@ sub read_in_file {
use constant EMIT_DESCRIPTION => 0;
use constant EMIT_COMMAND => 1;
use constant EMIT_INPUT => 2;
use constant END_INPUT => 3;
# Push lines from current input and
# command blocks into @test_body_lines
# in the correct order.
sub end_input {
my $input_lines = $_[0];
my $command_lines = $_[1];
my $test_body_lines = $_[2];
# Only keep first input line if it is not empty.
my $first_input_line = shift @{$input_lines};
if ($first_input_line =~ /^$/) {
unshift @{$input_lines}, $first_input_line;
}
# If there are input lines left, wrap them with
# `insert` command and add before the previous command
# block.
if (@{$input_lines}) {
my $last_input_line = pop @{$input_lines};
unshift @{$command_lines}, '';
unshift @{$command_lines}, $last_input_line . ']])';
unshift @{$command_lines}, @{$input_lines};
unshift @{$command_lines}, "insert([[";
push @{$test_body_lines}, @{$command_lines};
@{$command_lines} = ();
@{$input_lines} = ();
}
}
sub format_comment {
# Handle empty comments.
if (/^$/) {
return '';
}
# Capitalize first character and emit as Lua comment.
my $comment = '-- ' . ucfirst $_;
# Add trailing dot if not already there.
$comment .= '.' unless $comment =~ /\.$/;
return $comment;
}
my %states = (
# Add test description to @description_lines.
@ -57,56 +102,52 @@ sub read_in_file {
# If line starts with ':"', emit a comment.
if (/^:"/) {
# If it's an empty comment, just add an empty line
# to improve readability.
push @command_lines, (/^$/ ? '' : '-- ' . $_);
} else {
# Extract possible inline comment.
if (/^[^"]*"[^"]*$/) {
# Remove command part and prepended whitespace.
s/^(.*?)\s*"\s*//;
# Remove Vim comment prefix.
s/^:"\s*//;
# Capitalize first character and emit as Lua comment.
my $comment = '-- ' . ucfirst $_;
push @command_lines, format_comment $_;
# Add trailing dot if not already there.
$comment .= '.' unless $comment =~ /\.$/;
return EMIT_COMMAND;
}
push @command_lines, '';
push @command_lines, $comment;
# Extract possible inline comment.
if (/^[^"]*"[^"]*$/) {
# Remove command part and prepended whitespace.
s/^(.*?)\s*"\s*//;
# Set implicit variable to command without comment.
$_ = $1;
push @command_lines, format_comment $_;
# Set implicit variable to command without comment.
$_ = $1;
}
# Only continue if remaining command is not empty.
if (!/^:?\s*$/) {
# Replace terminal escape characters with <esc>.
s/\e/<esc>/g;
my $startstr = "'";
my $endstr = "'";
# If line contains single quotes or backslashes, use double
# square brackets to wrap string.
if (/'/ || /\\/) {
$startstr = '[[';
$endstr = ']]';
}
# Only continue if remaining command is not empty.
if (!/^:?\s*$/) {
# Replace terminal escape characters with <esc>.
s/\e/<esc>/g;
# Emit 'feed' if not a search ('/') or ex (':') command.
if (!/^\// && !/^:/) {
# If command does not end with <esc>, insert trailing <cr>.
my $command = 'feed(' . $startstr . $_;
$command .= '<cr>' unless /<esc>$/;
$command .= $endstr . ')';
my $startstr = "'";
my $endstr = "'";
# If line contains single quotes or backslashes, use double
# square brackets to wrap string.
if (/'/ || /\\/) {
$startstr = '[[';
$endstr = ']]';
}
# Emit 'feed' if not a search ('/') or ex (':') command.
if (!/^\// && !/^:/) {
# If command does not end with <esc>, insert trailing <cr>.
my $command = 'feed(' . $startstr . $_;
$command .= '<cr>' unless /<esc>$/;
$command .= $endstr . ')';
push @command_lines, $command;
} else {
# Remove prepending ':'.
s/^://;
push @command_lines, 'execute(' . $startstr . $_ . $endstr . ')';
}
push @command_lines, $command;
} else {
# Remove prepending ':'.
s/^://;
push @command_lines, 'execute(' . $startstr . $_ . $endstr . ')';
}
}
@ -115,40 +156,13 @@ sub read_in_file {
# Add input to @input_lines.
EMIT_INPUT() => sub {
if (/^STARTTEST/) {
return END_INPUT;
end_input \@input_lines, \@command_lines, \@test_body_lines;
return EMIT_COMMAND;
}
push @input_lines, ' ' . $_;
return EMIT_INPUT;
},
# The END_INPUT state is used to push lines from current
# input and command blocks into @test_body_lines
# in the correct order.
END_INPUT() => sub {
# Only keep first input line if it is not empty.
my $first_input_line = shift @input_lines;
if ($first_input_line =~ /^$/) {
unshift @input_lines, $first_input_line;
}
# If there are input lines left, wrap them with
# `insert` command and add before the previous command
# block.
if (@input_lines) {
my $last_input_line = pop @input_lines;
unshift @command_lines, '';
unshift @command_lines, $last_input_line . ']])';
unshift @command_lines, @input_lines;
unshift @command_lines, "insert([[";
push @test_body_lines, @command_lines;
@command_lines = ();
@input_lines = ();
}
return EMIT_COMMAND;
}
);
my $state = EMIT_DESCRIPTION;
@ -162,7 +176,7 @@ sub read_in_file {
# If not all input lines have been processed,
# do it now.
if (@input_lines) {
$states{END_INPUT()}->();
end_input \@input_lines, \@command_lines, \@test_body_lines;
}
close $in_file_handle;
@ -216,7 +230,13 @@ my ($test_name, $base_path, $suffix) = fileparse($legacy_testfile, @legacy_suffi
my $in_file = catfile($base_path, $test_name . '.in');
my $ok_file = catfile($base_path, $test_name . '.ok');
my $spec_file = catfile($out_dir, $test_name . '_spec.lua');
my $spec_file = do {
if ($test_name =~ /^test([0-9]+)/) {
catfile($out_dir, sprintf('%03d', $1) . '_' . $test_name . '_spec.lua')
} else {
catfile($out_dir, $test_name . '_spec.lua')
}
};
if (! -f $in_file) {
say "Test input file $in_file not found.";