From eb9b4f9f3bb2834bfe3aa28eeeed3f0eae7e295a Mon Sep 17 00:00:00 2001
From: htrgouvea <hi@heitorgouvea.me>
Date: Tue, 16 Apr 2024 07:34:16 -0300
Subject: [PATCH] remove old file

---
 lib/Zarn/AST.pm | 88 -------------------------------------------------
 1 file changed, 88 deletions(-)
 delete mode 100644 lib/Zarn/AST.pm

diff --git a/lib/Zarn/AST.pm b/lib/Zarn/AST.pm
deleted file mode 100644
index 9ad6180..0000000
--- a/lib/Zarn/AST.pm
+++ /dev/null
@@ -1,88 +0,0 @@
-package Zarn::AST {
-    use strict;
-    use warnings;
-    use Getopt::Long;
-    use PPI::Find;
-    use PPI::Document;
-    
-    our $VERSION = '0.0.4';
-
-    sub new {
-        my ($self, $parameters) = @_;
-        my ($file, $rules, @results);
-
-        Getopt::Long::GetOptionsFromArray (
-            $parameters,
-            "file=s"  => \$file,
-            "rules=s" => \$rules
-        );
-
-        if ($file && $rules) {
-            my $document = PPI::Document -> new($file);
-
-            $document -> prune("PPI::Token::Pod");
-            $document -> prune("PPI::Token::Comment");
-
-            foreach my $token (@{$document -> find("PPI::Token")}) {
-                foreach my $rule (@{$rules}) {
-                    my @sample   = $rule -> {sample} -> @*;
-                    my $category = $rule -> {category};
-                    my $title    = $rule -> {name};
-                    my $message  = $rule -> {message};
-
-                    if (grep {my $content = $_; scalar(grep {$content =~ m/$_/xms} @sample)} $token -> content()) {
-                        my $next_element = $token -> snext_sibling;
-
-                        # this is a draft source-to-sink function
-                        if (defined $next_element && ref $next_element && $next_element -> content() =~ /[\$\@\%](\w+)/xms) {
-                            # perform taint analyis
-                            my $var_token = $document -> find_first (                                
-                                sub { 
-                                    $_[1] -> isa("PPI::Token::Symbol") and 
-                                    ($_[1] ->content eq "\$$1" or $_[1] -> content eq "\@$1" or $_[1] -> content eq "\%$1")
-                                }
-                            );
-
-                            if ($var_token && $var_token -> can("parent")) {
-                                my @childrens = $var_token -> parent -> children;
-
-                                if (grep { # verifyng if the variable is a fixed string or a number
-                                    $_ -> isa("PPI::Token::Quote::Double") ||
-                                    $_ -> isa("PPI::Token::Quote::Single") ||
-                                    $_ -> isa("PPI::Token::Number")
-                                } @childrens) {
-                                    next;
-                                }
-
-                                if ((
-                                    $var_token -> parent -> isa("PPI::Token::Operator") ||
-                                    $var_token -> parent -> isa("PPI::Statement::Expression")
-                                )) {
-                                    my ($line_sink, $rowchar_sink) = @{$token -> location};
-                                    my ($line_source, $rowchar_source) = @{$var_token -> location};
-
-                                    push @results, {
-                                        category       => $category,
-                                        file           => $file,
-                                        title          => $title,
-                                        message        => $message,
-                                        line_sink      => $line_sink,
-                                        rowchar_sink   => $rowchar_sink,
-                                        line_source    => $line_source,
-                                        rowchar_source => $rowchar_source
-                                    };
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-
-            return @results;
-        }
-
-        return 0;
-    }
-}
-
-1;
\ No newline at end of file