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const IDENT = /\p{XID_Start}[-\p{XID_Continue}]*/u
module.exports = grammar({
name: 'gsp',
extras: $ => [/\p{Pattern_White_Space}+/u],
rules: {
document: $ => repeat($._toplevel),
_toplevel: $ => choice($.comment, $.node),
comment: $ => seq('/', $.node),
node: $ => seq($.node_name, optional($.attrs), $.node_body),
node_name: $ => IDENT,
node_body: $ => seq(
'{',
choice(
repeat($._toplevel),
seq(choice('-', '='), optional($.text)),
),
'}',
),
attrs: $ => repeat1(choice(
$.attr,
$.id_attr,
$.class_attr,
)),
attr: $ => seq(IDENT, '=', /"(\\["\\]|[^"\\])+"/),
id_attr: $ => seq('#', token.immediate(IDENT)),
class_attr: $ => seq('.', token.immediate(IDENT)),
text: $ => repeat1(choice(
/(\\[@}\\]|[^@}\\])+/,
seq('@', $._toplevel),
)),
},
})
|
