From: Kevin <kevin@kevin-brown.com>
Date: Tue, 12 May 2020 02:27:51 +0000 (-0400)
Subject: Add support for parentheses grouping in expressions
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=487fa26d79ee93acbf7231a7035e1d8f444827ef;p=thirdparty%2Fjinja.git

Add support for parentheses grouping in expressions
---

diff --git a/grammar.ebnf b/grammar.ebnf
index 4933af72..fd844244 100644
--- a/grammar.ebnf
+++ b/grammar.ebnf
@@ -218,6 +218,7 @@ variable_accessor_call_parameter_value
 
 conditional_expression
     =
+    | conditional_expression_parentheses
     | conditional_expression_not
     | conditional_expression_if
     | conditional_expression_logical
@@ -227,6 +228,11 @@ conditional_expression
     | variable_identifier
     ;
 
+conditional_expression_parentheses
+    =
+    "(" {SP}* @:conditional_expression {SP}* ")"
+    ;
+
 conditional_expression_not
     =
     "not" {SP}* not:conditional_expression