1 files changed, 52 insertions, 0 deletions
diff --git a/grammar.js b/grammar.js
new file mode 100644
index 0000000..1e65ebc
--- /dev/null
+++ b/grammar.js
@@ -0,0 +1,52 @@
+module.exports = grammar({
+	name: 'gsp',
+
+	rules: {
+		source_file: $ => repeat($.node),
+
+		node: $ => seq(
+			optional('>'),
+			$.node_name,
+			optional($.attribute_list),
+			'{',
+			optional($.node_body),
+			'}',
+		),
+
+		node_body: $ => choice(
+			repeat1($.node),
+			$.text_node,
+		),
+
+		node_name: $ => /[a-zA-Z:_\u{000C0}-\u{000D6}\u{000D8}-\u{000F6}\u{000F8}-\u{002FF}\u{00370}-\u{0037D}\u{0037F}-\u{01FFF}\u{0200C}-\u{0200D}\u{02070}-\u{0218F}\u{02C00}-\u{02FEF}\u{03001}-\u{0D7FF}\u{0F900}-\u{0FDCF}\u{0FDF0}-\u{0FFFD}\u{10000}-\u{EFFFF}][a-zA-Z0-9:_\-.·\u{00300}-\u{0036F}\u{0203F}-\u{02040}\u{000C0}-\u{000D6}\u{000D8}-\u{000F6}\u{000F8}-\u{002FF}\u{00370}-\u{0037D}\u{0037F}-\u{01FFF}\u{0200C}-\u{0200D}\u{02070}-\u{0218F}\u{02C00}-\u{02FEF}\u{03001}-\u{0D7FF}\u{0F900}-\u{0FDCF}\u{0FDF0}-\u{0FFFD}\u{10000}-\u{EFFFF}]*/u,
+
+		text_node: $ => seq(
+			choice('-', '='),
+			repeat(
+				choice(
+					$.literal_text,
+					seq('@', $.node),
+				),
+			),
+		),
+
+		literal_text: $ => /(\\[@}\\]|[^@}])+/,
+
+		attribute_list: $ => repeat1($.attribute),
+
+		attribute: $ => choice(
+			$.class_shorthand,
+			$.id_shorthand,
+			seq(
+				$.attribute_name,
+				optional(seq('=', $.attribute_value)),
+			),
+		),
+
+		class_shorthand: $ => /\.[a-zA-Z0-9_-]+/,
+		id_shorthand: $ => /#[a-zA-Z0-9_-]+/,
+
+		attribute_name: $ => /[a-zA-Z0-9_-]+/,
+		attribute_value: $ => /"(\\.|[^"\\])*"/,
+	},
+})