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Produce expansion info for more builtin macros

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Oliver Schneider 2017-09-01 17:45:46 +02:00
parent a59a6d8a56
commit c4d5a1e17b
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6 changed files with 15 additions and 5 deletions
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src/libsyntax_ext/env.rs
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@ -32,6 +32,7 @@ pub fn expand_option_env<'cx>(cx: &'cx mut ExtCtxt,
Some(v) => v,
};
let sp = sp.with_ctxt(sp.ctxt().apply_mark(cx.current_expansion.mark));
let e = match env::var(&*var.as_str()) {
Err(..) => {
cx.expr_path(cx.path_all(sp,