change back to defining helpers and functions separately

helpers are different from functions because they implicitly receive the
current context as the first argument, so they need to be declared
differently. they work identically to functions in all other respects.

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/Text/Xslate/Syntax/Handlebars.pm b/lib/Text/Xslate/Syntax/Handlebars.pm
index 252b4c9..a24fa00 100644
--- a/lib/Text/Xslate/Syntax/Handlebars.pm
+++ b/lib/Text/Xslate/Syntax/Handlebars.pm
@@ -5,6 +5,8 @@ use Any::Moose;
 use Carp 'confess';
 use Text::Xslate::Util qw($DEBUG $NUMBER neat p);
 
+use Text::Handlebars::Symbol;
+
 extends 'Text::Xslate::Parser';
 
 use constant _DUMP_PROTO => scalar($DEBUG =~ /\b dump=proto \b/xmsi);
@@ -29,6 +31,8 @@ sub _build_tag_end    { '}}'  }
 
 sub _build_shortcut_table { +{} }
 
+sub symbol_class { 'Text::Handlebars::Symbol' }
+
 sub split_tags {
     my $self = shift;
     my ($input) = @_;
@@ -584,6 +588,19 @@ sub define_function {
     return;
 }
 
+sub define_helper {
+    my $self = shift;
+    my (@names) = @_;
+
+    $self->define_function(@names);
+    for my $name (@names) {
+        my $symbol = $self->symbol($name);
+        $symbol->is_helper(1);
+    }
+
+    return;
+}
+
 sub parse_literal {
     my $self = shift;
     my ($literal) = @_;