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