35 lines
1.0 KiB
Rust
35 lines
1.0 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use ast;
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use codemap;
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use ext::base::*;
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use ext::base;
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use print;
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pub fn expand_syntax_ext(cx: &mut ExtCtxt,
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sp: codemap::Span,
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tt: &[ast::TokenTree])
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-> base::MacResult {
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cx.print_backtrace();
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println!("{}", print::pprust::tt_to_str(&ast::TTDelim(@tt.to_owned())));
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//trivial expression
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MRExpr(@ast::Expr {
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id: ast::DUMMY_NODE_ID,
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node: ast::ExprLit(@codemap::Spanned {
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node: ast::LitNil,
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span: sp
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}),
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span: sp,
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})
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}
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