bjoernager/rust
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Refactor the parser to consume token trees.

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This commit is contained in:
Jeffrey Seyfried 2017-01-13 04:49:20 +00:00
parent de46b24758
commit debcbf0b8e
11 changed files with 59 additions and 213 deletions
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5
src/libsyntax/parse/mod.rs
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@ -45,7 +45,7 @@ pub mod obsolete;
/// Info about a parsing session.
pub struct ParseSess {
pub span_diagnostic: Handler, // better be the same as the one in the reader!
pub span_diagnostic: Handler,
pub unstable_features: UnstableFeatures,
pub config: CrateConfig,
/// Used to determine and report recursive mod inclusions
@ -227,8 +227,7 @@ pub fn filemap_to_tts(sess: &ParseSess, filemap: Rc<FileMap>) -> Vec<tokenstream
/// Given tts and the ParseSess, produce a parser
pub fn tts_to_parser<'a>(sess: &'a ParseSess, tts: Vec<tokenstream::TokenTree>) -> Parser<'a> {
let trdr = lexer::new_tt_reader(&sess.span_diagnostic, None, tts);
let mut p = Parser::new(sess, Box::new(trdr), None, false);
let mut p = Parser::new(sess, tts, None, false);
p.check_unknown_macro_variable();
p
}