rustc-ap-syntax 547.0.0

Automatically published version of the package `syntax` in the rust-lang/rust repository from commit d9bd4b289f07956819c59704d88d9eed61af3a6d The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish 
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//! Allows the buffering of lints for later.
//!
//! Since we cannot have a dependency on `librustc`, we implement some types here that are somewhat
//! redundant. Later, these types can be converted to types for use by the rest of the compiler.

use crate::ast::NodeId;
use syntax_pos::MultiSpan;

/// Since we cannot import `LintId`s from `rustc::lint`, we define some Ids here which can later be
/// passed to `rustc::lint::Lint::from_parser_lint_id` to get a `rustc::lint::Lint`.
pub enum BufferedEarlyLintId {
    IllFormedAttributeInput,
    MetaVariableMisuse,
}

/// Stores buffered lint info which can later be passed to `librustc`.
pub struct BufferedEarlyLint {
    /// The span of code that we are linting on.
   pub span: MultiSpan,

   /// The lint message.
   pub msg: String,

   /// The `NodeId` of the AST node that generated the lint.
   pub id: NodeId,

   /// A lint Id that can be passed to `rustc::lint::Lint::from_parser_lint_id`.
   pub lint_id: BufferedEarlyLintId,
}