1 //! Attributes injected into the crate root from command line using `-Z crate-attr`.
3 use syntax::ast::{self, AttrStyle};
4 use syntax::attr::mk_attr;
6 use syntax::parse::{self, token, ParseSess};
7 use syntax_pos::FileName;
9 pub fn inject(mut krate: ast::Crate, parse_sess: &ParseSess, attrs: &[String]) -> ast::Crate {
10 for raw_attr in attrs {
11 let mut parser = parse::new_parser_from_source_str(
13 FileName::cli_crate_attr_source_code(&raw_attr),
17 let start_span = parser.token.span;
18 let (path, tokens) = panictry!(parser.parse_meta_item_unrestricted());
19 let end_span = parser.token.span;
20 if parser.token != token::Eof {
21 parse_sess.span_diagnostic
22 .span_err(start_span.to(end_span), "invalid crate attribute");
26 krate.attrs.push(mk_attr(AttrStyle::Inner, path, tokens, start_span.to(end_span)));