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-rw-r--r--askama_derive/src/parser.rs37
1 files changed, 24 insertions, 13 deletions
diff --git a/askama_derive/src/parser.rs b/askama_derive/src/parser.rs
index dad7e84..491a5d7 100644
--- a/askama_derive/src/parser.rs
+++ b/askama_derive/src/parser.rs
@@ -26,6 +26,7 @@ pub enum Node<'a> {
Lit(&'a str, &'a str, &'a str),
Comment(),
Expr(WS, Expr<'a>),
+ Call(WS, &'a str, Vec<Expr<'a>>),
LetDecl(WS, Target<'a>),
Let(WS, Target<'a>, Expr<'a>),
Cond(Vec<(WS, Option<Expr<'a>>, Vec<Node<'a>>)>, WS),
@@ -129,21 +130,21 @@ named!(target_single<Target>, map!(identifier,
named!(arguments<Vec<Expr>>, do_parse!(
tag_s!("(") >>
- arg0: ws!(opt!(expr_any)) >>
- args: many0!(do_parse!(
- tag_s!(",") >>
- argn: ws!(expr_any) >>
- (argn)
+ args: opt!(do_parse!(
+ arg0: ws!(expr_any) >>
+ args: many0!(do_parse!(
+ tag_s!(",") >>
+ argn: ws!(expr_any) >>
+ (argn)
+ )) >>
+ ({
+ let mut res = vec![arg0];
+ res.extend(args);
+ res
+ })
)) >>
tag_s!(")") >>
- ({
- let mut res = Vec::new();
- if arg0.is_some() {
- res.push(arg0.unwrap());
- }
- res.extend(args);
- res
- })
+ (args.unwrap_or(Vec::new()))
));
named!(parameters<Vec<&'a str>>, do_parse!(
@@ -261,6 +262,15 @@ named!(expr_node<Node>, do_parse!(
(Node::Expr(WS(pws.is_some(), nws.is_some()), expr))
));
+named!(block_call<Node>, do_parse!(
+ pws: opt!(tag_s!("-")) >>
+ ws!(tag_s!("call")) >>
+ name: ws!(identifier) >>
+ args: ws!(arguments) >>
+ nws: opt!(tag_s!("-")) >>
+ (Node::Call(WS(pws.is_some(), nws.is_some()), name, args))
+));
+
named!(cond_if<Expr>, do_parse!(
ws!(tag_s!("if")) >>
cond: ws!(expr_any) >>
@@ -389,6 +399,7 @@ named!(block_macro<Node>, do_parse!(
named!(block_node<Node>, do_parse!(
tag_s!("{%") >>
contents: alt!(
+ block_call |
block_let |
block_if |
block_for |