rust-clippy/clippy_lints/src/utils/higher.rs
2016-07-01 17:12:48 +02:00

28 lines
1 KiB
Rust

//! This module contains functions for retrieve the original AST from lowered `hir`.
use rustc::hir;
use syntax::ast;
/// Convert a hir binary operator to the corresponding `ast` type.
pub fn binop(op: hir::BinOp_) -> ast::BinOpKind {
match op {
hir::BiEq => ast::BinOpKind::Eq,
hir::BiGe => ast::BinOpKind::Ge,
hir::BiGt => ast::BinOpKind::Gt,
hir::BiLe => ast::BinOpKind::Le,
hir::BiLt => ast::BinOpKind::Lt,
hir::BiNe => ast::BinOpKind::Ne,
hir::BiOr => ast::BinOpKind::Or,
hir::BiAdd => ast::BinOpKind::Add,
hir::BiAnd => ast::BinOpKind::And,
hir::BiBitAnd => ast::BinOpKind::BitAnd,
hir::BiBitOr => ast::BinOpKind::BitOr,
hir::BiBitXor => ast::BinOpKind::BitXor,
hir::BiDiv => ast::BinOpKind::Div,
hir::BiMul => ast::BinOpKind::Mul,
hir::BiRem => ast::BinOpKind::Rem,
hir::BiShl => ast::BinOpKind::Shl,
hir::BiShr => ast::BinOpKind::Shr,
hir::BiSub => ast::BinOpKind::Sub,
}
}