From d4e537b87496298e2fbb83d70bdb3dfaae6807c9 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 23 Apr 2024 20:31:27 +0200
Subject: rebel-parse: introduce method calls as an Expr variant

Methods and fields exist in separate namespaces.
---
 crates/rebel-parse/src/ast.rs            | 13 +++++++++++++
 crates/rebel-parse/src/grammar/recipe.rs |  1 +
 2 files changed, 14 insertions(+)

diff --git a/crates/rebel-parse/src/ast.rs b/crates/rebel-parse/src/ast.rs
index 1f98f15..ae5d61f 100644
--- a/crates/rebel-parse/src/ast.rs
+++ b/crates/rebel-parse/src/ast.rs
@@ -50,6 +50,11 @@ pub enum Expr<'a> {
 		expr: Box<Expr<'a>>,
 		args: Vec<Arg<'a>>,
 	},
+	Method {
+		expr: Box<Expr<'a>>,
+		method: Ident<'a>,
+		args: Vec<Arg<'a>>,
+	},
 	Index {
 		expr: Box<Expr<'a>>,
 		index: Box<Expr<'a>>,
@@ -86,6 +91,14 @@ impl<'a> Expr<'a> {
 		}
 	}
 
+	pub(crate) fn method(expr: Expr<'a>, method: Ident<'a>, args: Args<'a>) -> Self {
+		Expr::Method {
+			expr: Box::new(expr),
+			method,
+			args,
+		}
+	}
+
 	pub(crate) fn index(expr: Expr<'a>, index: Expr<'a>) -> Self {
 		Expr::Index {
 			expr: Box::new(expr),
diff --git a/crates/rebel-parse/src/grammar/recipe.rs b/crates/rebel-parse/src/grammar/recipe.rs
index d1deba4..a00d150 100644
--- a/crates/rebel-parse/src/grammar/recipe.rs
+++ b/crates/rebel-parse/src/grammar/recipe.rs
@@ -66,6 +66,7 @@ peg::parser! {
 			expr:@ p('(') args:args() p(')') { Expr::apply(expr, args) }
 			expr:@ p('[') index:expr() p(']') { Expr::index(expr, index) }
 			--
+			expr:@ p('.') method:field() p('(') args:args() p(')') { Expr::method(expr, method, args) }
 			expr:@ p('.') field:field() { Expr::field(expr, field) }
 			--
 			p('(') e:expr() p(')') { Expr::paren(e) }
-- 
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