Changeset 7818

Timestamp:

09/10/09 02:28:20 (2 years ago)

Author:

Sewi

Message:

Adding some beginner error checks (ticket #52 and other sources)

File:

• trunk/Padre/lib/Padre/Document/Perl/Beginner.pm (modified) (2 diffs)

trunk/Padre/lib/Padre/Document/Perl/Beginner.pm

@@ -74 +74 @@
         }
     }
+
     if ( $text =~ /use\s+warning\s*;/ ) {
         $self->{error} = "You need to write use warnings (with an s at the end) and not use warning.";
         return;
     }
+
     if ( $text =~ /map[\s\t\r\n]*\{.+?\}[\s\t\r\n]*\(.+?\)[\s\t\r\n]*\,/ ) {
         $self->{error} = "map (),x uses x also as list value for map.";
@@ -86 +88 @@
     if ( $text =~ /package DB[\;\:]/ ) {
         $self->{error} = "This file uses the DB-namespace which is used by the Perl Debugger.";
+        return;
+    }
+
+    if ( $text =~ /\=[\s\t\r\n]*chomp\b/ ) {
+        $self->{error} = "chomp doesn't return the chomped value, it modifies the variable given as argument.";
+        return;
+    }
+
+    if ( $text =~ /map[\s\t\r\n]*\{[\s\t\r\n]*(\$_[\s\t\r\n]*\=\~[\s\t\r\n]*)?s\// ) {
+        $self->{error} = "Substitute (s///) doesn't return the changed value even if map.";
+        return;
+    }
+
+    if ( $text =~ /\(\<\@\w+\>\)/ ) {
+        $self->{error} = "(<\@Foo>) is Perl6 syntax and usually not valid in Perl5: %s";
+        return;
+    }
+
+    if ( $text =~ /if[\s\t\r\n]*\(?[\$\s\t\r\n\w]+\=[\s\t\r\n\$\w]/ ) {
+        $self->{error} = "A single = in a if-condition is usually a typo, use == or eq to compare.";
+        return;
+    }
+
+    if ( $text =~ /open[\s\t\r\n]*\(?\$?\w+[\s\t\r\n]*(\,.+?)?\,?([\"\'])[^\2]+?\|[^\2]+?\2/ ) {
+        $self->{error} = "Using a | char in open without a | at the beginning or end is usually a typo.";
+        return;
+    }
+
+    if ( $text =~ /open[\s\t\r\n]*\(?\$?\w+[\s\t\r\n]*\,(.+?\,)?([\"\'])\|[^\2]+?\|\2/ ) {
+        $self->{error} = "You can't use open to pipe to and from a command at the same time.";
         return;
     }