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Core/Interpreter: improve command splitting and substitutions

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Pragmatic Software 2025-07-29 13:39:11 -07:00
parent 27db494f85
commit d5aa7f9e41
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2 changed files with 50 additions and 56 deletions
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102
lib/PBot/Core/Interpreter.pm
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@ -253,11 +253,10 @@ sub process_line($self, $from, $nick, $user, $host, $text, $tags = '', $is_comma
$processed++;
# reset context
delete $context->{subcmd};
delete $context->{cmdstack};
delete $context->{outq};
delete $context->{pipe};
delete $context->{pipe_next};
delete $context->{command_split};
delete $context->{split_result};
delete $context->{add_nick};
}
@ -296,8 +295,9 @@ sub interpret($self, $context) {
# check for a split command, e.g. "echo Hello ;;; echo world."
if ($context->{command} =~ m/^(.*?)\s*(?<!\\);;;\s*(.*)/ms) {
$context->{command} = $1; # command is the first half of the split
$context->{command_split} = $2; # store the rest of the split, potentially containing more splits
$context->{command} = $1; # command is the first half of the split
push @{$context->{cmdstack}}, $2; # store the rest of the split, potentially containing more splits
push @{$context->{outq}}, []; # add output queue to stack
}
# convert command string to list of arguments
@ -450,7 +450,10 @@ sub interpret($self, $context) {
$arguments =~ s/&\s*\{\Q$command\E\}/&{subcmd}/;
# add it to the list of substituted commands
push @{$context->{subcmd}}, "$keyword $arguments";
push @{$context->{cmdstack}}, "$keyword $arguments";
# add output queue to stack
push @{$context->{outq}}, [];
# FIXME: quick-and-dirty hack to fix $0.
# Without this hack `pet &{echo dog}` will output `You echo
@ -638,28 +641,40 @@ sub handle_result($self, $context, $result = $context->{result}) {
return 0;
}
# finish command substitution
if (exists $context->{subcmd}) {
my $command = pop @{$context->{subcmd}};
# process next command in stack
if (exists $context->{cmdstack}) {
my $command = pop @{$context->{cmdstack}};
if (@{$context->{subcmd}} == 0 or $context->{alldone}) {
delete $context->{subcmd};
if (@{$context->{cmdstack}} == 0 or $context->{alldone}) {
delete $context->{cmdstack};
}
if ($command =~ s/\b(an?)(\s+)&\{subcmd\}/&{subcmd}/i) {
# fix-up a/an article
my ($article, $spaces) = ($1, $2);
my $fixed_article = select_indefinite_article $result;
if ($command =~ m/&\{subcmd\}/) {
# finish command substitution
my $output = pop @{$context->{outq}};
$output = join " ", @$output;
if ($article eq 'AN') {
$fixed_article = uc $fixed_article;
} elsif ($article eq 'An' or $article eq 'A') {
$fixed_article = ucfirst $fixed_article;
if (length $output) {
$result = "$output $result";
}
$command =~ s/&\{subcmd\}/$fixed_article$spaces$result/;
if ($command =~ s/\b(an?)(\s+)&\{subcmd\}/&{subcmd}/i) {
# fix-up a/an article
my ($article, $spaces) = ($1, $2);
my $fixed_article = select_indefinite_article $result;
if ($article eq 'AN') {
$fixed_article = uc $fixed_article;
} elsif ($article eq 'An' or $article eq 'A') {
$fixed_article = ucfirst $fixed_article;
}
$command =~ s/&\{subcmd\}/$fixed_article$spaces$result/;
} else {
$command =~ s/&\{subcmd\}/$result/;
}
} else {
$command =~ s/&\{subcmd\}/$result/;
push @{$context->{outq}->[$#{$context->{outq}}]}, $result;
}
if (not $context->{alldone}) {
@ -676,43 +691,22 @@ sub handle_result($self, $context, $result = $context->{result}) {
$result = "$context->{result_prefix} $result";
}
# finish command split
if ($context->{command_split}) {
my $botnick = $self->{pbot}->{conn}->nick;
# join output queue
if (exists $context->{outq}) {
# update contextual command with next command in split
$context->{command} = delete $context->{command_split};
while (my $outq = pop @{$context->{outq}}) {
$outq = join " ", @$outq;
# reformat result to be more suitable for joining together
$result =~ s!^/say !\n!i;
$result =~ s!^/me !\n* $botnick !i;
# reformat result to be more suitable for joining together
my $botnick = $self->{pbot}->{conn}->nick;
$result =~ s!^/say !\n!i
|| $result =~ s!^/me !\n * $botnick !i
|| $result =~ s!^!\n!;
if (not length $context->{split_result}) {
$result =~ s/^\n//;
$context->{split_result} = $result;
} else {
$context->{split_result} .= $result;
$result = "$outq$result";
$result =~ s/^\n+//;
}
delete $context->{ref_from};
delete $context->{add_nick};
$context->{result} = $self->interpret($context);
$self->handle_result($context);
return 0;
}
# join command split
if ($context->{split_result}) {
my $botnick = $self->{pbot}->{conn}->nick;
# reformat result to be more suitable for joining together
$result =~ s!^/say !\n!i
|| $result =~ s!^/me !\n* $botnick !i
|| $result =~ s!^!\n!;
$result = $context->{split_result} . $result;
delete $context->{split_result};
delete $context->{outq};
}
# nothing more to do here if we have no result or keyword

4
lib/PBot/VERSION.pm
View File

@ -25,8 +25,8 @@ use PBot::Imports;
# These are set by the /misc/update_version script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 4878,
BUILD_DATE => "2025-07-20",
BUILD_REVISION => 4879,
BUILD_DATE => "2025-07-29",
};
sub initialize {}