parseskip_require_newline

    pub fn parseskip_require_newline(p: *Parser) Error!bool {
        const def_index = @backingInt(Def.defskip_require_newline);
        if (p.depths[def_index] > max_depth) return error.MaxDepth;
        p.depths[def_index] += 1;
        defer p.depths[def_index] -= 1;
        return blk_0: {
            const pos_0 = p.i;
            if (blk_1: {
                var i_1: usize = 0;
                while ((p.i < p.source.len and switch (p.source[p.i]) {
                    ' '...' ',
                    '\t'...'\t',
                    '\r'...'\r',
                    => blk_2: {
                        p.i += 1;
                        break :blk_2 true;
                    },
                    else => false,
                })) {
                    if (i_1 > max_depth) return error.MaxDepth;
                    i_1 += 1;
                }
                break :blk_1 true;
            } and blk_2: {
                const pos_2 = p.i;
                if ((p.i < p.source.len and switch (p.source[p.i]) {
                    '\n'...'\n',
                    => blk_3: {
                        p.i += 1;
                        break :blk_3 true;
                    },
                    else => false,
                })) break :blk_2 true;
                p.i = pos_2;
                if (try p.parseline_comment()) break :blk_2 true;
                p.i = pos_2;
                break :blk_2 false;
            } and try p.parseskip()) break :blk_0 true;
            p.i = pos_0;
            break :blk_0 false;
        };
    }