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Gate rustc-specific code under a feature

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Nadrieril
2023-12-11 20:46:35 +01:00
parent 42f4393824
commit 16bd6ac3ed
4 changed files with 41 additions and 16 deletions
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20
compiler/rustc_pattern_analysis/src/lib.rs
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@@ -1,31 +1,40 @@
//! Analysis of patterns, notably match exhaustiveness checking.
pub mod constructor;
#[cfg(feature = "rustc")]
pub mod errors;
#[cfg(feature = "rustc")]
pub(crate) mod lints;
pub mod pat;
#[cfg(feature = "rustc")]
pub mod rustc;
pub mod usefulness;
#[macro_use]
extern crate tracing;
#[cfg(feature = "rustc")]
#[macro_use]
extern crate rustc_middle;
#[cfg(feature = "rustc")]
rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
use std::fmt;
use constructor::{Constructor, ConstructorSet};
use lints::PatternColumn;
use rustc_hir::HirId;
use rustc_index::Idx;
#[cfg(feature = "rustc")]
use rustc_middle::ty::Ty;
use usefulness::{compute_match_usefulness, ValidityConstraint};
use crate::lints::{lint_nonexhaustive_missing_variants, lint_overlapping_range_endpoints};
use crate::constructor::{Constructor, ConstructorSet};
#[cfg(feature = "rustc")]
use crate::lints::{
lint_nonexhaustive_missing_variants, lint_overlapping_range_endpoints, PatternColumn,
};
use crate::pat::DeconstructedPat;
#[cfg(feature = "rustc")]
use crate::rustc::RustcCtxt;
#[cfg(feature = "rustc")]
use crate::usefulness::{compute_match_usefulness, ValidityConstraint};
pub trait MatchCx: Sized + Clone + fmt::Debug {
type Ty: Copy + Clone + fmt::Debug; // FIXME: remove Copy
@@ -72,6 +81,7 @@ impl<'p, Cx: MatchCx> Copy for MatchArm<'p, Cx> {}
/// The entrypoint for this crate. Computes whether a match is exhaustive and which of its arms are
/// useful, and runs some lints.
#[cfg(feature = "rustc")]
pub fn analyze_match<'p, 'tcx>(
cx: &RustcCtxt<'p, 'tcx>,
arms: &[rustc::MatchArm<'p, 'tcx>],