detect invalid keyword properties
Lukas Mai [Mon, 18 Jun 2012 20:01:40 +0000 (22:01 +0200)]
lib/Function/Parameters.pm
t/strict.t
t/strict_5.fail [new file with mode: 0644]

index 97dd88e..0c0db2b 100644 (file)
@@ -45,30 +45,35 @@ sub import {
                        ? $proto
                        : [$proto, $bare_arms[$bare++] || confess(qq{Don't know what to do with "$proto"})]
                ;
-               my ($name, $type) = @$item;
+               my ($name, $proto_type) = @$item;
                _assert_valid_identifier $name;
 
-               unless (ref $type) {
-                       # use '||' instead of 'or' to preserve $type in the error message
-                       $type = $type_map{$type}
-                               || confess qq["$type" doesn't look like a valid type (one of ${\join ', ', sort keys %type_map})];
+               unless (ref $proto_type) {
+                       # use '||' instead of 'or' to preserve $proto_type in the error message
+                       $proto_type = $type_map{$proto_type}
+                               || confess qq["$proto_type" doesn't look like a valid type (one of ${\join ', ', sort keys %type_map})];
                }
-               $type->{name} ||= 'optional';
-               $type->{name} =~ /^(?:optional|required|prohibited)\z/
-                       or confess qq["$type->{name}" doesn't look like a valid name attribute (one of optional, required, prohibited)];
-               if ($type->{shift}) {
-                       _assert_valid_identifier $type->{shift}, 1;
-                       bytes::length($type->{shift}) < SHIFT_NAME_LIMIT
-                               or confess qq["$type->{shift}" is longer than I can handle];
+               my %type = %$proto_type;
+               my %clean;
+               $clean{name} = delete $type{name} || 'optional';
+               $clean{name} =~ /^(?:optional|required|prohibited)\z/
+                       or confess qq["$clean{name}" doesn't look like a valid name attribute (one of optional, required, prohibited)];
+               $clean{shift} = delete $type{shift} || '';
+               if ($clean{shift}) {
+                       _assert_valid_identifier $clean{shift}, 1;
+                       bytes::length($clean{shift}) < SHIFT_NAME_LIMIT
+                               or confess qq["$clean{shift}" is longer than I can handle];
                }
                
-               $spec{$name} = $type;
+               %type and confess "Invalid keyword property: @{[keys %type]}";
+
+               $spec{$name} = \%clean;
        }
        
        for my $kw (keys %spec) {
                my $type = $spec{$kw};
 
-               $^H{HINTK_SHIFT_ . $kw} = $type->{shift} || '';
+               $^H{HINTK_SHIFT_ . $kw} = $type->{shift};
                $^H{HINTK_NAME_ . $kw} =
                        $type->{name} eq 'prohibited' ? FLAG_NAME_PROHIBITED :
                        $type->{name} eq 'required' ? FLAG_NAME_REQUIRED :
index a58183d..e06f04a 100644 (file)
@@ -1,7 +1,7 @@
 use warnings;
 use strict;
 
-use Test::More tests => 8;
+use Test::More tests => 10;
 
 use Dir::Self;
 
@@ -11,6 +11,7 @@ for my $fail (
        ['2', qr/expect.*\).*after.*"\@x".*"\$y"/],
        ['3', qr/expect.*\).*after.*"%y".*"\$z"/],
        ['4', qr/expect.*\).*after.*"\@y".*"\@z"/],
+       ['5', qr/Invalid.*rarity/],
 ) {
        my ($file, $pat) = @$fail;
        $@ = undef;
diff --git a/t/strict_5.fail b/t/strict_5.fail
new file mode 100644 (file)
index 0000000..9f09951
--- /dev/null
@@ -0,0 +1,11 @@
+#!perl
+use warnings;
+use strict;
+
+use Function::Parameters {
+       spike => {
+               rarity => 'best',
+       },
+};
+
+'ok'