From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- compiler/rustc_builtin_macros/src/cmdline_attrs.rs | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 compiler/rustc_builtin_macros/src/cmdline_attrs.rs (limited to 'compiler/rustc_builtin_macros/src/cmdline_attrs.rs') diff --git a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs new file mode 100644 index 000000000..747e48ece --- /dev/null +++ b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs @@ -0,0 +1,35 @@ +//! Attributes injected into the crate root from command line using `-Z crate-attr`. + +use rustc_ast::attr::mk_attr; +use rustc_ast::token; +use rustc_ast::{self as ast, AttrItem, AttrStyle}; +use rustc_session::parse::ParseSess; +use rustc_span::FileName; + +pub fn inject(mut krate: ast::Crate, parse_sess: &ParseSess, attrs: &[String]) -> ast::Crate { + for raw_attr in attrs { + let mut parser = rustc_parse::new_parser_from_source_str( + parse_sess, + FileName::cli_crate_attr_source_code(&raw_attr), + raw_attr.clone(), + ); + + let start_span = parser.token.span; + let AttrItem { path, args, tokens: _ } = match parser.parse_attr_item(false) { + Ok(ai) => ai, + Err(mut err) => { + err.emit(); + continue; + } + }; + let end_span = parser.token.span; + if parser.token != token::Eof { + parse_sess.span_diagnostic.span_err(start_span.to(end_span), "invalid crate attribute"); + continue; + } + + krate.attrs.push(mk_attr(AttrStyle::Inner, path, args, start_span.to(end_span))); + } + + krate +} -- cgit v1.2.3