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path: root/src/librustc/front/intrinsic_inject.rs
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

use driver::session::Session;
use syntax::parse;
use syntax::ast;

export inject_intrinsic;

fn inject_intrinsic(sess: Session,
                    crate: @ast::crate) -> @ast::crate {

    let intrinsic_module = @include_str!("intrinsic.rs");

    let item = parse::parse_item_from_source_str(~"<intrinsic>",
                                                 intrinsic_module,
                                                 sess.opts.cfg,
                                                 ~[],
                                                 sess.parse_sess);
    let item =
        match item {
          Some(i) => i,
          None => {
            sess.fatal(~"no item found in intrinsic module");
          }
        };

    let items = vec::append(~[item], crate.node.module.items);

    return @{node: {module: { items: items ,.. crate.node.module }
                 ,.. crate.node} ,.. *crate }
}