Module rustc_session::parse

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

Functions

• add_feature_diagnostics
  Adds the diagnostics for a feature to an existing error.
• add_feature_diagnostics_for_issue
  Adds the diagnostics for a feature to an existing error.
• 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 unstable.rs and rustc_span::symbols.
• feature_err_issue
  Construct a diagnostic for a feature gate error.
• feature_warn
  Construct a future incompatibility diagnostic for a feature gate.
• feature_warn_issue
  Construct a future incompatibility diagnostic for a feature gate.