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Diffstat (limited to 'crates/proc-macro-srv/src/server/token_stream.rs')
| -rw-r--r-- | crates/proc-macro-srv/src/server/token_stream.rs | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/crates/proc-macro-srv/src/server/token_stream.rs b/crates/proc-macro-srv/src/server/token_stream.rs index 5edaa720fc..408db60e87 100644 --- a/crates/proc-macro-srv/src/server/token_stream.rs +++ b/crates/proc-macro-srv/src/server/token_stream.rs @@ -115,8 +115,6 @@ pub(super) mod token_stream { } } - type LexError = String; - /// Attempts to break the string into tokens and parse those tokens into a token stream. /// May fail for a number of reasons, for example, if the string contains unbalanced delimiters /// or characters not existing in the language. @@ -124,13 +122,10 @@ pub(super) mod token_stream { /// /// NOTE: some errors may cause panics instead of returning `LexError`. We reserve the right to /// change these errors into `LexError`s later. - #[rustfmt::skip] - impl<S: tt::Span> /*FromStr for*/ TokenStream<S> { - // type Err = LexError; - - pub(crate) fn from_str(src: &str, call_site: S) -> Result<TokenStream<S>, LexError> { + impl<S: tt::Span> TokenStream<S> { + pub(crate) fn from_str(src: &str, call_site: S) -> Result<TokenStream<S>, String> { let subtree = - mbe::parse_to_token_tree_static_span(call_site, src).ok_or("Failed to parse from mbe")?; + mbe::parse_to_token_tree_static_span(call_site, src).ok_or("lexing error")?; Ok(TokenStream::with_subtree(subtree)) } |