Module rustc_ap_rustc_span::hygiene [−][src]
Expand description
Machinery for hygienic macros.
Inspired by Matthew Flatt et al., “Macros That Work Together: Compile-Time Bindings, Partial Expansion, and Definition Contexts,” Journal of Functional Programming 22, no. 2 (March 1, 2012): 181–216, https://doi.org/10.1017/S0956796812000093.
Structs
| ExpnData | A subset of properties from both macro definition and macro call available through global data. Avoid using this if you have access to the original definition or call structures. |
| ExpnId | A unique ID associated with a macro invocation and expansion. |
| HygieneData | |
| HygieneDecodeContext | Additional information used to assist in decoding hygiene data |
| HygieneEncodeContext | |
| SyntaxContext | A |
| SyntaxContextData |
Enums
| AstPass | The kind of AST transform. |
| DesugaringKind | The kind of compiler desugaring. |
| ExpnDataDecodeMode | |
| ExpnDataEncodeMode | |
| ExpnKind | Expansion kind. |
| ForLoopLoc | A location in the desugaring of a |
| MacroKind | The kind of macro invocation or definition. |
| Transparency | A property of a macro expansion that determines how identifiers produced by that expansion are resolved. |
Functions
| clear_syntax_context_map | |
| debug_hygiene_data | |
| decode_expn_id | |
| decode_syntax_context | |
| raw_encode_expn_id | |
| raw_encode_syntax_context | |
| update_dollar_crate_names | |
| walk_chain |