2148bdfcc7
This commit blanket renames the `rustc_macro` infrastructure to `proc_macro`, which reflects the general consensus of #35900. A follow up PR to Cargo will be required to purge the `rustc-macro` name as well.
26 lines
1.1 KiB
Rust
26 lines
1.1 KiB
Rust
// Copyright 2016 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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//! Parsing utilities for writing procedural macros.
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extern crate syntax;
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use syntax::parse::{ParseSess, filemap_to_tts};
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use syntax::tokenstream::TokenStream;
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/// Map a string to tts, using a made-up filename. For example, `lex(15)` will return a
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/// TokenStream containing the literal 15.
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pub fn lex(source_str: &str) -> TokenStream {
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let ps = ParseSess::new();
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TokenStream::from_tts(filemap_to_tts(&ps,
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ps.codemap().new_filemap("procmacro_lex".to_string(),
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None,
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source_str.to_owned())))
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}
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