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62 lines
1.5 KiB
Rust
62 lines
1.5 KiB
Rust
//! The Rust Abstract Syntax Tree (AST).
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//!
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//! # Note
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//!
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//! This API is completely unstable and subject to change.
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#![doc(
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html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
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test(attr(deny(warnings)))
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)]
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#![feature(box_patterns)]
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#![feature(crate_visibility_modifier)]
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#![feature(if_let_guard)]
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#![feature(label_break_value)]
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#![feature(let_chains)]
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#![feature(min_specialization)]
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#![feature(nll)]
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#![feature(slice_internals)]
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#![feature(stmt_expr_attributes)]
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#![recursion_limit = "256"]
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#[macro_use]
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extern crate rustc_macros;
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pub mod util {
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pub mod classify;
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pub mod comments;
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pub mod literal;
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pub mod parser;
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pub mod unicode;
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}
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pub mod ast;
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pub mod ast_like;
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pub mod attr;
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pub mod entry;
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pub mod expand;
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pub mod mut_visit;
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pub mod node_id;
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pub mod ptr;
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pub mod token;
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pub mod tokenstream;
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pub mod visit;
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pub use self::ast::*;
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pub use self::ast_like::{AstLike, AstLikeWrapper};
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use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
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/// Requirements for a `StableHashingContext` to be used in this crate.
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/// This is a hack to allow using the `HashStable_Generic` derive macro
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/// instead of implementing everything in `rustc_middle`.
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pub trait HashStableContext: rustc_span::HashStableContext {
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fn hash_attr(&mut self, _: &ast::Attribute, hasher: &mut StableHasher);
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}
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impl<AstCtx: crate::HashStableContext> HashStable<AstCtx> for ast::Attribute {
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fn hash_stable(&self, hcx: &mut AstCtx, hasher: &mut StableHasher) {
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hcx.hash_attr(self, hasher)
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}
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}
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