Module rustc_ap_rustc_session::parse[−][src]

Contains ParseSess which holds state living beyond what one Parser might. It also serves as an input to the parser itself.

Structs

GatedSpans	Collected spans during parsing for places where a certain feature was used and should be feature gated accordingly in `check_crate`.
ParseSess	Info about a parsing session.
SymbolGallery

feature_err	Construct a diagnostic for a language feature error due to the given `span`. The `feature`'s `Symbol` is the one you used in `active.rs` and `rustc_span::symbols`.
feature_err_issue	Construct a diagnostic for a feature gate error.

The set of keys (and, optionally, values) that define the compilation environment of the crate, used to drive conditional compilation.