bjoernager/rust
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syntax: Make _ an identifier

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This commit is contained in:
Vadim Petrochenkov 2018-03-08 14:27:23 +03:00
parent 61b6bf54fd
commit 5d06c890fe
20 changed files with 109 additions and 119 deletions
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6
src/libsyntax_ext/env.rs
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@ -17,7 +17,7 @@ use syntax::ast::{self, Ident};
use syntax::ext::base::*;
use syntax::ext::base;
use syntax::ext::build::AstBuilder;
use syntax::symbol::Symbol;
use syntax::symbol::{keywords, Symbol};
use syntax_pos::Span;
use syntax::tokenstream;
@ -35,14 +35,14 @@ pub fn expand_option_env<'cx>(cx: &'cx mut ExtCtxt,
let sp = sp.with_ctxt(sp.ctxt().apply_mark(cx.current_expansion.mark));
let e = match env::var(&*var.as_str()) {
Err(..) => {
let lt = cx.lifetime(sp, keywords::StaticLifetime.ident());
cx.expr_path(cx.path_all(sp,
true,
cx.std_path(&["option", "Option", "None"]),
Vec::new(),
vec![cx.ty_rptr(sp,
cx.ty_ident(sp, Ident::from_str("str")),
Some(cx.lifetime(sp,
Ident::from_str("'static"))),
Some(lt),
ast::Mutability::Immutable)],
Vec::new()))
}