BinOpKind

This commit is contained in:
csmoe 2018-07-12 15:50:09 +08:00 committed by Oliver Schneider
parent 1bd17e4fa2
commit 5d4102ee78
36 changed files with 260 additions and 248 deletions

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@ -57,19 +57,19 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Arithmetic {
match expr.node {
hir::ExprKind::Binary(ref op, ref l, ref r) => {
match op.node {
hir::BiAnd
| hir::BiOr
| hir::BiBitAnd
| hir::BiBitOr
| hir::BiBitXor
| hir::BiShl
| hir::BiShr
| hir::BiEq
| hir::BiLt
| hir::BiLe
| hir::BiNe
| hir::BiGe
| hir::BiGt => return,
hir::BinOpKind::And
| hir::BinOpKind::Or
| hir::BinOpKind::BitAnd
| hir::BinOpKind::BitOr
| hir::BinOpKind::BitXor
| hir::BinOpKind::Shl
| hir::BinOpKind::Shr
| hir::BinOpKind::Eq
| hir::BinOpKind::Lt
| hir::BinOpKind::Le
| hir::BinOpKind::Ne
| hir::BinOpKind::Ge
| hir::BinOpKind::Gt => return,
_ => (),
}
let (l_ty, r_ty) = (cx.tables.expr_ty(l), cx.tables.expr_ty(r));

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@ -175,18 +175,18 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssignOps {
cx,
ty,
rty.into(),
Add: BiAdd,
Sub: BiSub,
Mul: BiMul,
Div: BiDiv,
Rem: BiRem,
And: BiAnd,
Or: BiOr,
BitAnd: BiBitAnd,
BitOr: BiBitOr,
BitXor: BiBitXor,
Shr: BiShr,
Shl: BiShl
Add: BinOpKind::Add,
Sub: BinOpKind::Sub,
Mul: BinOpKind::Mul,
Div: BinOpKind::Div,
Rem: BinOpKind::Rem,
And: BinOpKind::And,
Or: BinOpKind::Or,
BitAnd: BinOpKind::BitAnd,
BitOr: BinOpKind::BitOr,
BitXor: BinOpKind::BitXor,
Shr: BinOpKind::Shr,
Shl: BinOpKind::Shl
) {
span_lint_and_then(
cx,
@ -224,13 +224,13 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssignOps {
// a = b commutative_op a
if SpanlessEq::new(cx).ignore_fn().eq_expr(assignee, r) {
match op.node {
hir::BiAdd
| hir::BiMul
| hir::BiAnd
| hir::BiOr
| hir::BiBitXor
| hir::BiBitAnd
| hir::BiBitOr => {
hir::BinOpKind::Add
| hir::BinOpKind::Mul
| hir::BinOpKind::And
| hir::BinOpKind::Or
| hir::BinOpKind::BitXor
| hir::BinOpKind::BitAnd
| hir::BinOpKind::BitOr => {
lint(assignee, l);
},
_ => {},
@ -244,11 +244,11 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssignOps {
}
}
fn is_commutative(op: hir::BinOp_) -> bool {
use rustc::hir::BinOp_::*;
fn is_commutative(op: hir::BinOpKind) -> bool {
use rustc::hir::BinOpKind::*;
match op {
BiAdd | BiMul | BiAnd | BiOr | BiBitXor | BiBitAnd | BiBitOr | BiEq | BiNe => true,
BiSub | BiDiv | BiRem | BiShl | BiShr | BiLt | BiLe | BiGe | BiGt => false,
Add | Mul | And | Or | BitXor | BitAnd | BitOr | Eq | Ne => true,
Sub | Div | Rem | Shl | Shr | Lt | Le | Ge | Gt => false,
}
}

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@ -120,9 +120,9 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BitMask {
}
if_chain! {
if let ExprKind::Binary(ref op, ref left, ref right) = e.node;
if BinOp_::BiEq == op.node;
if BinOpKind::Eq == op.node;
if let ExprKind::Binary(ref op1, ref left1, ref right1) = left.node;
if BinOp_::BiBitAnd == op1.node;
if BinOpKind::BitAnd == op1.node;
if let ExprKind::Lit(ref lit) = right1.node;
if let LitKind::Int(n, _) = lit.node;
if let ExprKind::Lit(ref lit1) = right.node;
@ -143,22 +143,22 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BitMask {
}
}
fn invert_cmp(cmp: BinOp_) -> BinOp_ {
fn invert_cmp(cmp: BinOpKind) -> BinOpKind {
match cmp {
BiEq => BiEq,
BiNe => BiNe,
BiLt => BiGt,
BiGt => BiLt,
BiLe => BiGe,
BiGe => BiLe,
_ => BiOr, // Dummy
BinOpKind::Eq => BinOpKind::Eq,
BinOpKind::Ne => BinOpKind::Ne,
BinOpKind::Lt => BinOpKind::Gt,
BinOpKind::Gt => BinOpKind::Lt,
BinOpKind::Le => BinOpKind::Ge,
BinOpKind::Ge => BinOpKind::Le,
_ => BinOpKind::Or, // Dummy
}
}
fn check_compare(cx: &LateContext, bit_op: &Expr, cmp_op: BinOp_, cmp_value: u128, span: Span) {
fn check_compare(cx: &LateContext, bit_op: &Expr, cmp_op: BinOpKind, cmp_value: u128, span: Span) {
if let ExprKind::Binary(ref op, ref left, ref right) = bit_op.node {
if op.node != BiBitAnd && op.node != BiBitOr {
if op.node != BinOpKind::BitAnd && op.node != BinOpKind::BitOr {
return;
}
fetch_int_literal(cx, right)
@ -167,10 +167,10 @@ fn check_compare(cx: &LateContext, bit_op: &Expr, cmp_op: BinOp_, cmp_value: u12
}
}
fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value: u128, cmp_value: u128, span: Span) {
fn check_bit_mask(cx: &LateContext, bit_op: BinOpKind, cmp_op: BinOpKind, mask_value: u128, cmp_value: u128, span: Span) {
match cmp_op {
BiEq | BiNe => match bit_op {
BiBitAnd => if mask_value & cmp_value != cmp_value {
BinOpKind::Eq | BinOpKind::Ne => match bit_op {
BinOpKind::BitAnd => if mask_value & cmp_value != cmp_value {
if cmp_value != 0 {
span_lint(
cx,
@ -186,7 +186,7 @@ fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value:
} else if mask_value == 0 {
span_lint(cx, BAD_BIT_MASK, span, "&-masking with zero");
},
BiBitOr => if mask_value | cmp_value != cmp_value {
BinOpKind::BitOr => if mask_value | cmp_value != cmp_value {
span_lint(
cx,
BAD_BIT_MASK,
@ -200,8 +200,8 @@ fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value:
},
_ => (),
},
BiLt | BiGe => match bit_op {
BiBitAnd => if mask_value < cmp_value {
BinOpKind::Lt | BinOpKind::Ge => match bit_op {
BinOpKind::BitAnd => if mask_value < cmp_value {
span_lint(
cx,
BAD_BIT_MASK,
@ -215,7 +215,7 @@ fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value:
} else if mask_value == 0 {
span_lint(cx, BAD_BIT_MASK, span, "&-masking with zero");
},
BiBitOr => if mask_value >= cmp_value {
BinOpKind::BitOr => if mask_value >= cmp_value {
span_lint(
cx,
BAD_BIT_MASK,
@ -229,11 +229,11 @@ fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value:
} else {
check_ineffective_lt(cx, span, mask_value, cmp_value, "|");
},
BiBitXor => check_ineffective_lt(cx, span, mask_value, cmp_value, "^"),
BinOpKind::BitXor => check_ineffective_lt(cx, span, mask_value, cmp_value, "^"),
_ => (),
},
BiLe | BiGt => match bit_op {
BiBitAnd => if mask_value <= cmp_value {
BinOpKind::Le | BinOpKind::Gt => match bit_op {
BinOpKind::BitAnd => if mask_value <= cmp_value {
span_lint(
cx,
BAD_BIT_MASK,
@ -247,7 +247,7 @@ fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value:
} else if mask_value == 0 {
span_lint(cx, BAD_BIT_MASK, span, "&-masking with zero");
},
BiBitOr => if mask_value > cmp_value {
BinOpKind::BitOr => if mask_value > cmp_value {
span_lint(
cx,
BAD_BIT_MASK,
@ -261,7 +261,7 @@ fn check_bit_mask(cx: &LateContext, bit_op: BinOp_, cmp_op: BinOp_, mask_value:
} else {
check_ineffective_gt(cx, span, mask_value, cmp_value, "|");
},
BiBitXor => check_ineffective_gt(cx, span, mask_value, cmp_value, "^"),
BinOpKind::BitXor => check_ineffective_gt(cx, span, mask_value, cmp_value, "^"),
_ => (),
},
_ => (),

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@ -84,7 +84,7 @@ struct Hir2Qmm<'a, 'tcx: 'a, 'v> {
}
impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> {
fn extract(&mut self, op: BinOp_, a: &[&'v Expr], mut v: Vec<Bool>) -> Result<Vec<Bool>, String> {
fn extract(&mut self, op: BinOpKind, a: &[&'v Expr], mut v: Vec<Bool>) -> Result<Vec<Bool>, String> {
for a in a {
if let ExprKind::Binary(binop, ref lhs, ref rhs) = a.node {
if binop.node == op {
@ -103,8 +103,8 @@ impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> {
match e.node {
ExprKind::Unary(UnNot, ref inner) => return Ok(Bool::Not(box self.run(inner)?)),
ExprKind::Binary(binop, ref lhs, ref rhs) => match binop.node {
BiOr => return Ok(Bool::Or(self.extract(BiOr, &[lhs, rhs], Vec::new())?)),
BiAnd => return Ok(Bool::And(self.extract(BiAnd, &[lhs, rhs], Vec::new())?)),
BinOpKind::Or => return Ok(Bool::Or(self.extract(BinOpKind::Or, &[lhs, rhs], Vec::new())?)),
BinOpKind::And => return Ok(Bool::And(self.extract(BinOpKind::And, &[lhs, rhs], Vec::new())?)),
_ => (),
},
ExprKind::Lit(ref lit) => match lit.node {
@ -137,12 +137,12 @@ impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> {
}
};
match binop.node {
BiEq => mk_expr(BiNe),
BiNe => mk_expr(BiEq),
BiGt => mk_expr(BiLe),
BiGe => mk_expr(BiLt),
BiLt => mk_expr(BiGe),
BiLe => mk_expr(BiGt),
BinOpKind::Eq => mk_expr(BinOpKind::Ne),
BinOpKind::Ne => mk_expr(BinOpKind::Eq),
BinOpKind::Gt => mk_expr(BinOpKind::Le),
BinOpKind::Ge => mk_expr(BinOpKind::Lt),
BinOpKind::Lt => mk_expr(BinOpKind::Ge),
BinOpKind::Le => mk_expr(BinOpKind::Gt),
_ => continue,
}
},
@ -185,12 +185,12 @@ impl<'a, 'tcx, 'v> SuggestContext<'a, 'tcx, 'v> {
}
match binop.node {
BiEq => Some(" != "),
BiNe => Some(" == "),
BiLt => Some(" >= "),
BiGt => Some(" <= "),
BiLe => Some(" > "),
BiGe => Some(" < "),
BinOpKind::Eq => Some(" != "),
BinOpKind::Ne => Some(" == "),
BinOpKind::Lt => Some(" >= "),
BinOpKind::Gt => Some(" <= "),
BinOpKind::Le => Some(" > "),
BinOpKind::Ge => Some(" < "),
_ => None,
}.and_then(|op| Some(format!("{}{}{}", self.snip(lhs)?, op, self.snip(rhs)?)))
},
@ -441,7 +441,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NonminimalBoolVisitor<'a, 'tcx> {
return;
}
match e.node {
ExprKind::Binary(binop, _, _) if binop.node == BiOr || binop.node == BiAnd => self.bool_expr(e),
ExprKind::Binary(binop, _, _) if binop.node == BinOpKind::Or || binop.node == BinOpKind::And => self.bool_expr(e),
ExprKind::Unary(UnNot, ref inner) => if self.cx.tables.node_types()[inner.hir_id].is_bool() {
self.bool_expr(e);
} else {

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@ -51,7 +51,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ByteCount {
if body.arguments.len() == 1;
if let Some(argname) = get_pat_name(&body.arguments[0].pat);
if let ExprKind::Binary(ref op, ref l, ref r) = body.value.node;
if op.node == BiEq;
if op.node == BinOpKind::Eq;
if match_type(cx,
walk_ptrs_ty(cx.tables.expr_ty(&filter_args[0])),
&paths::SLICE_ITER);

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@ -340,43 +340,43 @@ impl<'c, 'cc> ConstEvalLateContext<'c, 'cc> {
let r = sext(self.tcx, r, ity);
let zext = |n: i128| Constant::Int(unsext(self.tcx, n, ity));
match op.node {
BiAdd => l.checked_add(r).map(zext),
BiSub => l.checked_sub(r).map(zext),
BiMul => l.checked_mul(r).map(zext),
BiDiv if r != 0 => l.checked_div(r).map(zext),
BiRem if r != 0 => l.checked_rem(r).map(zext),
BiShr => l.checked_shr(r as u128 as u32).map(zext),
BiShl => l.checked_shl(r as u128 as u32).map(zext),
BiBitXor => Some(zext(l ^ r)),
BiBitOr => Some(zext(l | r)),
BiBitAnd => Some(zext(l & r)),
BiEq => Some(Constant::Bool(l == r)),
BiNe => Some(Constant::Bool(l != r)),
BiLt => Some(Constant::Bool(l < r)),
BiLe => Some(Constant::Bool(l <= r)),
BiGe => Some(Constant::Bool(l >= r)),
BiGt => Some(Constant::Bool(l > r)),
BinOpKind::Add => l.checked_add(r).map(zext),
BinOpKind::Sub => l.checked_sub(r).map(zext),
BinOpKind::Mul => l.checked_mul(r).map(zext),
BinOpKind::Div if r != 0 => l.checked_div(r).map(zext),
BinOpKind::Rem if r != 0 => l.checked_rem(r).map(zext),
BinOpKind::Shr => l.checked_shr(r as u128 as u32).map(zext),
BinOpKind::Shl => l.checked_shl(r as u128 as u32).map(zext),
BinOpKind::BitXor => Some(zext(l ^ r)),
BinOpKind::BitOr => Some(zext(l | r)),
BinOpKind::BitAnd => Some(zext(l & r)),
BinOpKind::Eq => Some(Constant::Bool(l == r)),
BinOpKind::Ne => Some(Constant::Bool(l != r)),
BinOpKind::Lt => Some(Constant::Bool(l < r)),
BinOpKind::Le => Some(Constant::Bool(l <= r)),
BinOpKind::Ge => Some(Constant::Bool(l >= r)),
BinOpKind::Gt => Some(Constant::Bool(l > r)),
_ => None,
}
}
ty::TyUint(_) => {
match op.node {
BiAdd => l.checked_add(r).map(Constant::Int),
BiSub => l.checked_sub(r).map(Constant::Int),
BiMul => l.checked_mul(r).map(Constant::Int),
BiDiv => l.checked_div(r).map(Constant::Int),
BiRem => l.checked_rem(r).map(Constant::Int),
BiShr => l.checked_shr(r as u32).map(Constant::Int),
BiShl => l.checked_shl(r as u32).map(Constant::Int),
BiBitXor => Some(Constant::Int(l ^ r)),
BiBitOr => Some(Constant::Int(l | r)),
BiBitAnd => Some(Constant::Int(l & r)),
BiEq => Some(Constant::Bool(l == r)),
BiNe => Some(Constant::Bool(l != r)),
BiLt => Some(Constant::Bool(l < r)),
BiLe => Some(Constant::Bool(l <= r)),
BiGe => Some(Constant::Bool(l >= r)),
BiGt => Some(Constant::Bool(l > r)),
BinOpKind::Add => l.checked_add(r).map(Constant::Int),
BinOpKind::Sub => l.checked_sub(r).map(Constant::Int),
BinOpKind::Mul => l.checked_mul(r).map(Constant::Int),
BinOpKind::Div => l.checked_div(r).map(Constant::Int),
BinOpKind::Rem => l.checked_rem(r).map(Constant::Int),
BinOpKind::Shr => l.checked_shr(r as u32).map(Constant::Int),
BinOpKind::Shl => l.checked_shl(r as u32).map(Constant::Int),
BinOpKind::BitXor => Some(Constant::Int(l ^ r)),
BinOpKind::BitOr => Some(Constant::Int(l | r)),
BinOpKind::BitAnd => Some(Constant::Int(l & r)),
BinOpKind::Eq => Some(Constant::Bool(l == r)),
BinOpKind::Ne => Some(Constant::Bool(l != r)),
BinOpKind::Lt => Some(Constant::Bool(l < r)),
BinOpKind::Le => Some(Constant::Bool(l <= r)),
BinOpKind::Ge => Some(Constant::Bool(l >= r)),
BinOpKind::Gt => Some(Constant::Bool(l > r)),
_ => None,
}
},
@ -384,40 +384,40 @@ impl<'c, 'cc> ConstEvalLateContext<'c, 'cc> {
}
},
(Constant::F32(l), Some(Constant::F32(r))) => match op.node {
BiAdd => Some(Constant::F32(l + r)),
BiSub => Some(Constant::F32(l - r)),
BiMul => Some(Constant::F32(l * r)),
BiDiv => Some(Constant::F32(l / r)),
BiRem => Some(Constant::F32(l % r)),
BiEq => Some(Constant::Bool(l == r)),
BiNe => Some(Constant::Bool(l != r)),
BiLt => Some(Constant::Bool(l < r)),
BiLe => Some(Constant::Bool(l <= r)),
BiGe => Some(Constant::Bool(l >= r)),
BiGt => Some(Constant::Bool(l > r)),
BinOpKind::Add => Some(Constant::F32(l + r)),
BinOpKind::Sub => Some(Constant::F32(l - r)),
BinOpKind::Mul => Some(Constant::F32(l * r)),
BinOpKind::Div => Some(Constant::F32(l / r)),
BinOpKind::Rem => Some(Constant::F32(l % r)),
BinOpKind::Eq => Some(Constant::Bool(l == r)),
BinOpKind::Ne => Some(Constant::Bool(l != r)),
BinOpKind::Lt => Some(Constant::Bool(l < r)),
BinOpKind::Le => Some(Constant::Bool(l <= r)),
BinOpKind::Ge => Some(Constant::Bool(l >= r)),
BinOpKind::Gt => Some(Constant::Bool(l > r)),
_ => None,
},
(Constant::F64(l), Some(Constant::F64(r))) => match op.node {
BiAdd => Some(Constant::F64(l + r)),
BiSub => Some(Constant::F64(l - r)),
BiMul => Some(Constant::F64(l * r)),
BiDiv => Some(Constant::F64(l / r)),
BiRem => Some(Constant::F64(l % r)),
BiEq => Some(Constant::Bool(l == r)),
BiNe => Some(Constant::Bool(l != r)),
BiLt => Some(Constant::Bool(l < r)),
BiLe => Some(Constant::Bool(l <= r)),
BiGe => Some(Constant::Bool(l >= r)),
BiGt => Some(Constant::Bool(l > r)),
BinOpKind::Add => Some(Constant::F64(l + r)),
BinOpKind::Sub => Some(Constant::F64(l - r)),
BinOpKind::Mul => Some(Constant::F64(l * r)),
BinOpKind::Div => Some(Constant::F64(l / r)),
BinOpKind::Rem => Some(Constant::F64(l % r)),
BinOpKind::Eq => Some(Constant::Bool(l == r)),
BinOpKind::Ne => Some(Constant::Bool(l != r)),
BinOpKind::Lt => Some(Constant::Bool(l < r)),
BinOpKind::Le => Some(Constant::Bool(l <= r)),
BinOpKind::Ge => Some(Constant::Bool(l >= r)),
BinOpKind::Gt => Some(Constant::Bool(l > r)),
_ => None,
},
(l, r) => match (op.node, l, r) {
(BiAnd, Constant::Bool(false), _) => Some(Constant::Bool(false)),
(BiOr, Constant::Bool(true), _) => Some(Constant::Bool(true)),
(BiAnd, Constant::Bool(true), Some(r)) | (BiOr, Constant::Bool(false), Some(r)) => Some(r),
(BiBitXor, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l ^ r)),
(BiBitAnd, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l & r)),
(BiBitOr, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l | r)),
(BinOpKind::And, Constant::Bool(false), _) => Some(Constant::Bool(false)),
(BinOpKind::Or, Constant::Bool(true), _) => Some(Constant::Bool(true)),
(BinOpKind::And, Constant::Bool(true), Some(r)) | (BinOpKind::Or, Constant::Bool(false), Some(r)) => Some(r),
(BinOpKind::BitXor, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l ^ r)),
(BinOpKind::BitAnd, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l & r)),
(BinOpKind::BitOr, Constant::Bool(l), Some(Constant::Bool(r))) => Some(Constant::Bool(l | r)),
_ => None,
},
}

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@ -171,7 +171,7 @@ impl<'a, 'tcx> Visitor<'tcx> for CCHelper<'a, 'tcx> {
ExprKind::Binary(op, _, _) => {
walk_expr(self, e);
match op.node {
BiAnd | BiOr => self.short_circuits += 1,
BinOpKind::And | BinOpKind::Or => self.short_circuits += 1,
_ => (),
}
},

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@ -41,7 +41,7 @@ impl<'a, 'tcx> DoubleComparisonPass {
fn check_binop(
&self,
cx: &LateContext<'a, 'tcx>,
op: BinOp_,
op: BinOpKind,
lhs: &'tcx Expr,
rhs: &'tcx Expr,
span: Span,
@ -67,10 +67,10 @@ impl<'a, 'tcx> DoubleComparisonPass {
}}
}
match (op, lkind, rkind) {
(BiOr, BiEq, BiLt) | (BiOr, BiLt, BiEq) => lint_double_comparison!(<=),
(BiOr, BiEq, BiGt) | (BiOr, BiGt, BiEq) => lint_double_comparison!(>=),
(BiOr, BiLt, BiGt) | (BiOr, BiGt, BiLt) => lint_double_comparison!(!=),
(BiAnd, BiLe, BiGe) | (BiAnd, BiGe, BiLe) => lint_double_comparison!(==),
(BinOpKind::Or, BinOpKind::Eq, BinOpKind::Lt) | (BinOpKind::Or, BinOpKind::Lt, BinOpKind::Eq) => lint_double_comparison!(<=),
(BinOpKind::Or, BinOpKind::Eq, BinOpKind::Gt) | (BinOpKind::Or, BinOpKind::Gt, BinOpKind::Eq) => lint_double_comparison!(>=),
(BinOpKind::Or, BinOpKind::Lt, BinOpKind::Gt) | (BinOpKind::Or, BinOpKind::Gt, BinOpKind::Lt) => lint_double_comparison!(!=),
(BinOpKind::And, BinOpKind::Le, BinOpKind::Ge) | (BinOpKind::And, BinOpKind::Ge, BinOpKind::Le) => lint_double_comparison!(==),
_ => (),
};
}

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@ -38,7 +38,7 @@ impl LintPass for DurationSubsec {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for DurationSubsec {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if_chain! {
if let ExprKind::Binary(Spanned { node: BiDiv, .. }, ref left, ref right) = expr.node;
if let ExprKind::Binary(Spanned { node: BinOpKind::Div, .. }, ref left, ref right) = expr.node;
if let ExprKind::MethodCall(ref method_path, _ , ref args) = left.node;
if match_type(cx, walk_ptrs_ty(cx.tables.expr_ty(&args[0])), &paths::DURATION);
if let Some((Constant::Int(divisor), _)) = constant(cx, cx.tables, right);

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@ -66,20 +66,20 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
return;
}
let (trait_id, requires_ref) = match op.node {
BiAdd => (cx.tcx.lang_items().add_trait(), false),
BiSub => (cx.tcx.lang_items().sub_trait(), false),
BiMul => (cx.tcx.lang_items().mul_trait(), false),
BiDiv => (cx.tcx.lang_items().div_trait(), false),
BiRem => (cx.tcx.lang_items().rem_trait(), false),
BinOpKind::Add => (cx.tcx.lang_items().add_trait(), false),
BinOpKind::Sub => (cx.tcx.lang_items().sub_trait(), false),
BinOpKind::Mul => (cx.tcx.lang_items().mul_trait(), false),
BinOpKind::Div => (cx.tcx.lang_items().div_trait(), false),
BinOpKind::Rem => (cx.tcx.lang_items().rem_trait(), false),
// don't lint short circuiting ops
BiAnd | BiOr => return,
BiBitXor => (cx.tcx.lang_items().bitxor_trait(), false),
BiBitAnd => (cx.tcx.lang_items().bitand_trait(), false),
BiBitOr => (cx.tcx.lang_items().bitor_trait(), false),
BiShl => (cx.tcx.lang_items().shl_trait(), false),
BiShr => (cx.tcx.lang_items().shr_trait(), false),
BiNe | BiEq => (cx.tcx.lang_items().eq_trait(), true),
BiLt | BiLe | BiGe | BiGt => (cx.tcx.lang_items().ord_trait(), true),
BinOpKind::And | BinOpKind::Or => return,
BinOpKind::BitXor => (cx.tcx.lang_items().bitxor_trait(), false),
BinOpKind::BitAnd => (cx.tcx.lang_items().bitand_trait(), false),
BinOpKind::BitOr => (cx.tcx.lang_items().bitor_trait(), false),
BinOpKind::Shl => (cx.tcx.lang_items().shl_trait(), false),
BinOpKind::Shr => (cx.tcx.lang_items().shr_trait(), false),
BinOpKind::Ne | BinOpKind::Eq => (cx.tcx.lang_items().eq_trait(), true),
BinOpKind::Lt | BinOpKind::Le | BinOpKind::Ge | BinOpKind::Gt => (cx.tcx.lang_items().ord_trait(), true),
};
if let Some(trait_id) = trait_id {
#[allow(match_same_arms)]
@ -159,7 +159,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
fn is_valid_operator(op: BinOp) -> bool {
match op.node {
BiSub | BiDiv | BiEq | BiLt | BiLe | BiGt | BiGe | BiNe | BiAnd | BiOr | BiBitXor | BiBitAnd | BiBitOr => true,
BinOpKind::Sub | BinOpKind::Div | BinOpKind::Eq | BinOpKind::Lt | BinOpKind::Le | BinOpKind::Gt | BinOpKind::Ge | BinOpKind::Ne | BinOpKind::And | BinOpKind::Or | BinOpKind::BitXor | BinOpKind::BitAnd | BinOpKind::BitOr => true,
_ => false,
}
}

View File

@ -38,11 +38,11 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ErasingOp {
}
if let ExprKind::Binary(ref cmp, ref left, ref right) = e.node {
match cmp.node {
BiMul | BiBitAnd => {
BinOpKind::Mul | BinOpKind::BitAnd => {
check(cx, left, e.span);
check(cx, right, e.span);
},
BiDiv => check(cx, left, e.span),
BinOpKind::Div => check(cx, left, e.span),
_ => (),
}
}

View File

@ -229,7 +229,7 @@ fn check_expr<'a, 'tcx>(vis: &mut ReadVisitor<'a, 'tcx>, expr: &'tcx Expr) -> St
walk_expr(vis, expr);
},
ExprKind::Binary(op, _, _) | ExprKind::AssignOp(op, _, _) => {
if op.node == BiAnd || op.node == BiOr {
if op.node == BinOpKind::And || op.node == BinOpKind::Or {
// x && y and x || y always evaluate x first, so these are
// strictly sequenced.
} else {

View File

@ -38,17 +38,17 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for IdentityOp {
}
if let ExprKind::Binary(ref cmp, ref left, ref right) = e.node {
match cmp.node {
BiAdd | BiBitOr | BiBitXor => {
BinOpKind::Add | BinOpKind::BitOr | BinOpKind::BitXor => {
check(cx, left, 0, e.span, right.span);
check(cx, right, 0, e.span, left.span);
},
BiShl | BiShr | BiSub => check(cx, right, 0, e.span, left.span),
BiMul => {
BinOpKind::Shl | BinOpKind::Shr | BinOpKind::Sub => check(cx, right, 0, e.span, left.span),
BinOpKind::Mul => {
check(cx, left, 1, e.span, right.span);
check(cx, right, 1, e.span, left.span);
},
BiDiv => check(cx, right, 1, e.span, left.span),
BiBitAnd => {
BinOpKind::Div => check(cx, right, 1, e.span, left.span),
BinOpKind::BitAnd => {
check(cx, left, -1, e.span, right.span);
check(cx, right, -1, e.span, left.span);
},

View File

@ -81,24 +81,24 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LenZero {
if let ExprKind::Binary(Spanned { node: cmp, .. }, ref left, ref right) = expr.node {
match cmp {
BiEq => {
BinOpKind::Eq => {
check_cmp(cx, expr.span, left, right, "", 0); // len == 0
check_cmp(cx, expr.span, right, left, "", 0); // 0 == len
},
BiNe => {
BinOpKind::Ne => {
check_cmp(cx, expr.span, left, right, "!", 0); // len != 0
check_cmp(cx, expr.span, right, left, "!", 0); // 0 != len
},
BiGt => {
BinOpKind::Gt => {
check_cmp(cx, expr.span, left, right, "!", 0); // len > 0
check_cmp(cx, expr.span, right, left, "", 1); // 1 > len
},
BiLt => {
BinOpKind::Lt => {
check_cmp(cx, expr.span, left, right, "", 1); // len < 1
check_cmp(cx, expr.span, right, left, "!", 0); // 0 < len
},
BiGe => check_cmp(cx, expr.span, left, right, "!", 1), // len <= 1
BiLe => check_cmp(cx, expr.span, right, left, "!", 1), // 1 >= len
BinOpKind::Ge => check_cmp(cx, expr.span, left, right, "!", 1), // len <= 1
BinOpKind::Le => check_cmp(cx, expr.span, right, left, "!", 1), // 1 >= len
_ => (),
}
}

View File

@ -771,7 +771,7 @@ fn get_fixed_offset_var<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &Expr, var:
let offset = match idx.node {
ExprKind::Binary(op, ref lhs, ref rhs) => match op.node {
BinOp_::BiAdd => {
BinOpKindAdd => {
let offset_opt = if same_var(cx, lhs, var) {
extract_offset(cx, rhs, var)
} else if same_var(cx, rhs, var) {
@ -782,7 +782,7 @@ fn get_fixed_offset_var<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, expr: &Expr, var:
offset_opt.map(Offset::positive)
},
BinOp_::BiSub if same_var(cx, lhs, var) => extract_offset(cx, rhs, var).map(Offset::negative),
BinOpKind::Sub if same_var(cx, lhs, var) => extract_offset(cx, rhs, var).map(Offset::negative),
_ => None,
},
ExprKind::Path(..) => if same_var(cx, idx, var) {
@ -1884,7 +1884,7 @@ impl<'a, 'tcx> Visitor<'tcx> for IncrementVisitor<'a, 'tcx> {
match parent.node {
ExprKind::AssignOp(op, ref lhs, ref rhs) => {
if lhs.id == expr.id {
if op.node == BiAdd && is_integer_literal(rhs, 1) {
if op.node == BinOpKind::Add && is_integer_literal(rhs, 1) {
*state = match *state {
VarState::Initial if self.depth == 0 => VarState::IncrOnce,
_ => VarState::DontWarn,

View File

@ -789,12 +789,12 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
_ => (),
}
},
hir::ExprKind::Binary(op, ref lhs, ref rhs) if op.node == hir::BiEq || op.node == hir::BiNe => {
hir::ExprKind::Binary(op, ref lhs, ref rhs) if op.node == hir::BinOpKind::Eq || op.node == hir::BinOpKind::Ne => {
let mut info = BinaryExprInfo {
expr,
chain: lhs,
other: rhs,
eq: op.node == hir::BiEq,
eq: op.node == hir::BinOpKind::Eq,
};
lint_binary_expr_with_method_call(cx, &mut info);
},
@ -1274,7 +1274,7 @@ fn lint_unnecessary_fold(cx: &LateContext, expr: &hir::Expr, fold_args: &[hir::E
fn check_fold_with_op(
cx: &LateContext,
fold_args: &[hir::Expr],
op: hir::BinOp_,
op: hir::BinOpKind,
replacement_method_name: &str,
replacement_has_args: bool) {
@ -1332,16 +1332,16 @@ fn lint_unnecessary_fold(cx: &LateContext, expr: &hir::Expr, fold_args: &[hir::E
hir::ExprKind::Lit(ref lit) => {
match lit.node {
ast::LitKind::Bool(false) => check_fold_with_op(
cx, fold_args, hir::BinOp_::BiOr, "any", true
cx, fold_args, hir::BinOpKind::Or, "any", true
),
ast::LitKind::Bool(true) => check_fold_with_op(
cx, fold_args, hir::BinOp_::BiAnd, "all", true
cx, fold_args, hir::BinOpKind::And, "all", true
),
ast::LitKind::Int(0, _) => check_fold_with_op(
cx, fold_args, hir::BinOp_::BiAdd, "sum", false
cx, fold_args, hir::BinOpKindAdd, "sum", false
),
ast::LitKind::Int(1, _) => check_fold_with_op(
cx, fold_args, hir::BinOp_::BiMul, "product", false
cx, fold_args, hir::BinOpKind::Mul, "product", false
),
_ => return
}

View File

@ -305,7 +305,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
if_chain! {
if let StmtSemi(ref expr, _) = s.node;
if let ExprKind::Binary(ref binop, ref a, ref b) = expr.node;
if binop.node == BiAnd || binop.node == BiOr;
if binop.node == BinOpKind::And || binop.node == BinOpKind::Or;
if let Some(sugg) = Sugg::hir_opt(cx, a);
then {
span_lint_and_then(cx,
@ -313,7 +313,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
s.span,
"boolean short circuit operator in statement may be clearer using an explicit test",
|db| {
let sugg = if binop.node == BiOr { !sugg } else { sugg };
let sugg = if binop.node == BinOpKind::Or { !sugg } else { sugg };
db.span_suggestion(s.span, "replace it with",
format!("if {} {{ {}; }}", sugg, &snippet(cx, b.span, "..")));
});
@ -339,7 +339,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
check_to_owned(cx, left, right);
check_to_owned(cx, right, left);
}
if (op == BiEq || op == BiNe) && (is_float(cx, left) || is_float(cx, right)) {
if (op == BinOpKind::Eq || op == BinOpKind::Ne) && (is_float(cx, left) || is_float(cx, right)) {
if is_allowed(cx, left) || is_allowed(cx, right) {
return;
}
@ -367,7 +367,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
);
db.span_note(expr.span, "std::f32::EPSILON and std::f64::EPSILON are available.");
});
} else if op == BiRem && is_integer_literal(right, 1) {
} else if op == BinOpKind::Rem && is_integer_literal(right, 1) {
span_lint(cx, MODULO_ONE, expr.span, "any number modulo 1 will be 0");
}
},

View File

@ -123,7 +123,7 @@ impl LintPass for BoolComparison {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BoolComparison {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
use self::Expression::*;
if let ExprKind::Binary(Spanned { node: BiEq, .. }, ref left_side, ref right_side) = e.node {
if let ExprKind::Binary(Spanned { node: BinOpKind::Eq, .. }, ref left_side, ref right_side) = e.node {
match (fetch_bool_expr(left_side), fetch_bool_expr(right_side)) {
(Bool(true), Other) => {
let hint = snippet(cx, right_side.span, "..").into_owned();

View File

@ -56,7 +56,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NoNegCompOpForPartialOrd {
if !in_external_macro(cx, expr.span);
if let ExprKind::Unary(UnOp::UnNot, ref inner) = expr.node;
if let ExprKind::Binary(ref op, ref left, _) = inner.node;
if let BinOp_::BiLe | BinOp_::BiGe | BinOp_::BiLt | BinOp_::BiGt = op.node;
if let BinOpKind::Le | BinOpKind::Ge | BinOpKind::Lt | BinOpKind::Gt = op.node;
then {

View File

@ -33,7 +33,7 @@ impl LintPass for NegMultiply {
#[allow(match_same_arms)]
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NegMultiply {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if let ExprKind::Binary(Spanned { node: BiMul, .. }, ref l, ref r) = e.node {
if let ExprKind::Binary(Spanned { node: BinOpKind::Mul, .. }, ref l, ref r) = e.node {
match (&l.node, &r.node) {
(&ExprKind::Unary(..), &ExprKind::Unary(..)) => (),
(&ExprKind::Unary(UnNeg, ref lit), _) => check_mul(cx, e.span, lit, r),

View File

@ -133,7 +133,7 @@ fn reduce_expression<'a>(cx: &LateContext, expr: &'a Expr) -> Option<Vec<&'a Exp
}
match expr.node {
ExprKind::Index(ref a, ref b) => Some(vec![&**a, &**b]),
ExprKind::Binary(ref binop, ref a, ref b) if binop.node != BiAnd && binop.node != BiOr => {
ExprKind::Binary(ref binop, ref a, ref b) if binop.node != BinOpKind::And && binop.node != BinOpKind::Or => {
Some(vec![&**a, &**b])
},
ExprKind::Array(ref v) | ExprKind::Tup(ref v) => Some(v.iter().collect()),

View File

@ -42,14 +42,14 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for OverflowCheckConditional {
if cx.tables.expr_ty(ident1).is_integral();
if cx.tables.expr_ty(ident2).is_integral();
then {
if let BinOp_::BiLt = op.node {
if let BinOp_::BiAdd = op2.node {
if let BinOpKind::Lt = op.node {
if let BinOpKindAdd = op2.node {
span_lint(cx, OVERFLOW_CHECK_CONDITIONAL, expr.span,
"You are trying to use classic C overflow conditions that will fail in Rust.");
}
}
if let BinOp_::BiGt = op.node {
if let BinOp_::BiSub = op2.node {
if let BinOpKind::Gt = op.node {
if let BinOpKind::Sub = op2.node {
span_lint(cx, OVERFLOW_CHECK_CONDITIONAL, expr.span,
"You are trying to use classic C underflow conditions that will fail in Rust.");
}
@ -67,14 +67,14 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for OverflowCheckConditional {
if cx.tables.expr_ty(ident1).is_integral();
if cx.tables.expr_ty(ident2).is_integral();
then {
if let BinOp_::BiGt = op.node {
if let BinOp_::BiAdd = op2.node {
if let BinOpKind::Gt = op.node {
if let BinOpKindAdd = op2.node {
span_lint(cx, OVERFLOW_CHECK_CONDITIONAL, expr.span,
"You are trying to use classic C overflow conditions that will fail in Rust.");
}
}
if let BinOp_::BiLt = op.node {
if let BinOp_::BiSub = op2.node {
if let BinOpKind::Lt = op.node {
if let BinOpKind::Sub = op2.node {
span_lint(cx, OVERFLOW_CHECK_CONDITIONAL, expr.span,
"You are trying to use classic C underflow conditions that will fail in Rust.");
}

View File

@ -132,7 +132,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for PointerPass {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if let ExprKind::Binary(ref op, ref l, ref r) = expr.node {
if (op.node == BiEq || op.node == BiNe) && (is_null_path(l) || is_null_path(r)) {
if (op.node == BinOpKind::Eq || op.node == BinOpKind::Ne) && (is_null_path(l) || is_null_path(r)) {
span_lint(
cx,
CMP_NULL,

View File

@ -184,7 +184,7 @@ fn has_step_by(cx: &LateContext, expr: &Expr) -> bool {
fn y_plus_one(expr: &Expr) -> Option<&Expr> {
match expr.node {
ExprKind::Binary(Spanned { node: BiAdd, .. }, ref lhs, ref rhs) => if is_integer_literal(lhs, 1) {
ExprKind::Binary(Spanned { node: BinOpKind::Add, .. }, ref lhs, ref rhs) => if is_integer_literal(lhs, 1) {
Some(rhs)
} else if is_integer_literal(rhs, 1) {
Some(lhs)
@ -197,7 +197,7 @@ fn y_plus_one(expr: &Expr) -> Option<&Expr> {
fn y_minus_one(expr: &Expr) -> Option<&Expr> {
match expr.node {
ExprKind::Binary(Spanned { node: BiSub, .. }, ref lhs, ref rhs) if is_integer_literal(rhs, 1) => Some(lhs),
ExprKind::Binary(Spanned { node: BinOpKind::Sub, .. }, ref lhs, ref rhs) if is_integer_literal(rhs, 1) => Some(lhs),
_ => None,
}
}

View File

@ -82,7 +82,7 @@ impl LintPass for StringAdd {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringAdd {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if let ExprKind::Binary(Spanned { node: BiAdd, .. }, ref left, _) = e.node {
if let ExprKind::Binary(Spanned { node: BinOpKind::Add, .. }, ref left, _) = e.node {
if is_string(cx, left) {
if !is_allowed(cx, STRING_ADD_ASSIGN, e.id) {
let parent = get_parent_expr(cx, e);
@ -122,7 +122,7 @@ fn is_string(cx: &LateContext, e: &Expr) -> bool {
fn is_add(cx: &LateContext, src: &Expr, target: &Expr) -> bool {
match src.node {
ExprKind::Binary(Spanned { node: BiAdd, .. }, ref left, _) => SpanlessEq::new(cx).eq_expr(target, left),
ExprKind::Binary(Spanned { node: BinOpKind::Add, .. }, ref left, _) => SpanlessEq::new(cx).eq_expr(target, left),
ExprKind::Block(ref block, _) => {
block.stmts.is_empty()
&& block

View File

@ -59,10 +59,10 @@ impl LintPass for SuspiciousImpl {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for SuspiciousImpl {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
use rustc::hir::BinOp_::*;
use rustc::hir::BinOpKind::*;
if let hir::ExprKind::Binary(binop, _, _) = expr.node {
match binop.node {
BiEq | BiLt | BiLe | BiNe | BiGe | BiGt => return,
BinOpKind::Eq | BinOpKind::Lt | BinOpKind::Le | BinOpKind::Ne | BinOpKind::Ge | BinOpKind::Gt => return,
_ => {},
}
// Check if the binary expression is part of another bi/unary expression
@ -94,7 +94,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for SuspiciousImpl {
expr,
binop.node,
&["Add", "Sub", "Mul", "Div"],
&[BiAdd, BiSub, BiMul, BiDiv],
&[BinOpKind::Add, BinOpKind::Sub, BinOpKind::Mul, BinOpKind::Div],
) {
span_lint(
cx,
@ -124,7 +124,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for SuspiciousImpl {
"ShrAssign",
],
&[
BiAdd, BiSub, BiMul, BiDiv, BiBitAnd, BiBitOr, BiBitXor, BiRem, BiShl, BiShr
BinOpKind::Add, BinOpKind::Sub, BinOpKind::Mul, BinOpKind::Div, BinOpKind::BitAnd, BinOpKind::BitOr, BinOpKind::BitXor, BinOpKind::Rem, BinOpKind::Shl, BinOpKind::Shr
],
) {
span_lint(
@ -144,9 +144,9 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for SuspiciousImpl {
fn check_binop<'a>(
cx: &LateContext,
expr: &hir::Expr,
binop: hir::BinOp_,
binop: hir::BinOpKind,
traits: &[&'a str],
expected_ops: &[hir::BinOp_],
expected_ops: &[hir::BinOpKind],
) -> Option<&'a str> {
let mut trait_ids = vec![];
let [krate, module] = crate::utils::paths::OPS_MODULE;

View File

@ -450,7 +450,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnitCmp {
let op = cmp.node;
if op.is_comparison() && is_unit(cx.tables.expr_ty(left)) {
let result = match op {
BiEq | BiLe | BiGe => "true",
BinOpKind::Eq | BinOpKind::Le | BinOpKind::Ge => "true",
_ => "false",
};
span_lint(
@ -1374,7 +1374,7 @@ fn is_cast_between_fixed_and_target<'a, 'tcx>(
fn detect_absurd_comparison<'a, 'tcx>(
cx: &LateContext<'a, 'tcx>,
op: BinOp_,
op: BinOpKind,
lhs: &'tcx Expr,
rhs: &'tcx Expr,
) -> Option<(ExtremeExpr<'tcx>, AbsurdComparisonResult)> {

View File

@ -80,7 +80,7 @@ fn collect_unwrap_info<'a, 'tcx: 'a>(
) -> Vec<UnwrapInfo<'tcx>> {
if let ExprKind::Binary(op, left, right) = &expr.node {
match (invert, op.node) {
(false, BinOp_::BiAnd) | (false, BinOp_::BiBitAnd) | (true, BinOp_::BiOr) | (true, BinOp_::BiBitOr) => {
(false, BinOpKind::And) | (false, BinOpKind::BitAnd) | (true, BinOpKind::Or) | (true, BinOpKind::BitOr) => {
let mut unwrap_info = collect_unwrap_info(cx, left, invert);
unwrap_info.append(&mut collect_unwrap_info(cx, right, invert));
return unwrap_info;

View File

@ -240,7 +240,7 @@ impl<'tcx> Visitor<'tcx> for PrintVisitor {
let left_pat = self.next("left");
let right_pat = self.next("right");
println!("Binary(ref {}, ref {}, ref {}) = {};", op_pat, left_pat, right_pat, current);
println!(" if BinOp_::{:?} == {}.node;", op.node, op_pat);
println!(" if BinOpKind::{:?} == {}.node;", op.node, op_pat);
self.current = left_pat;
self.visit_expr(left);
self.current = right_pat;
@ -385,7 +385,7 @@ impl<'tcx> Visitor<'tcx> for PrintVisitor {
let target_pat = self.next("target");
let value_pat = self.next("value");
println!("AssignOp(ref {}, ref {}, ref {}) = {};", op_pat, target_pat, value_pat, current);
println!(" if BinOp_::{:?} == {}.node;", op.node, op_pat);
println!(" if BinOpKind::{:?} == {}.node;", op.node, op_pat);
self.current = target_pat;
self.visit_expr(target);
self.current = value_pat;

View File

@ -2,7 +2,7 @@
#![deny(missing_docs_in_private_items)]
use rustc::hir::{BinOp_, Expr};
use rustc::hir::{BinOpKind, Expr};
#[derive(PartialEq, Eq, Debug, Copy, Clone)]
/// Represent a normalized comparison operator.
@ -19,14 +19,14 @@ pub enum Rel {
/// Put the expression in the form `lhs < rhs`, `lhs <= rhs`, `lhs == rhs` or
/// `lhs != rhs`.
pub fn normalize_comparison<'a>(op: BinOp_, lhs: &'a Expr, rhs: &'a Expr) -> Option<(Rel, &'a Expr, &'a Expr)> {
pub fn normalize_comparison<'a>(op: BinOpKind, lhs: &'a Expr, rhs: &'a Expr) -> Option<(Rel, &'a Expr, &'a Expr)> {
match op {
BinOp_::BiLt => Some((Rel::Lt, lhs, rhs)),
BinOp_::BiLe => Some((Rel::Le, lhs, rhs)),
BinOp_::BiGt => Some((Rel::Lt, rhs, lhs)),
BinOp_::BiGe => Some((Rel::Le, rhs, lhs)),
BinOp_::BiEq => Some((Rel::Eq, rhs, lhs)),
BinOp_::BiNe => Some((Rel::Ne, rhs, lhs)),
BinOpKind::Lt => Some((Rel::Lt, lhs, rhs)),
BinOpKind::Le => Some((Rel::Le, lhs, rhs)),
BinOpKind::Gt => Some((Rel::Lt, rhs, lhs)),
BinOpKind::Ge => Some((Rel::Le, rhs, lhs)),
BinOpKind::Eq => Some((Rel::Eq, rhs, lhs)),
BinOpKind::Ne => Some((Rel::Ne, rhs, lhs)),
_ => None,
}
}

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@ -9,7 +9,7 @@ use syntax::ast;
use crate::utils::{is_expn_of, match_def_path, match_qpath, opt_def_id, paths, resolve_node};
/// Convert a hir binary operator to the corresponding `ast` type.
pub fn binop(op: hir::BinOp_) -> ast::BinOpKind {
pub fn binop(op: hir::BinOpKind) -> ast::BinOpKind {
match op {
hir::BinOpKind::Eq => ast::BinOpKind::Eq,
hir::BinOpKind::Ge => ast::BinOpKind::Ge,

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@ -280,14 +280,26 @@ impl<'a, 'tcx: 'a> SpanlessEq<'a, 'tcx> {
}
}
fn swap_binop<'a>(binop: BinOp_, lhs: &'a Expr, rhs: &'a Expr) -> Option<(BinOp_, &'a Expr, &'a Expr)> {
fn swap_binop<'a>(binop: BinOpKind, lhs: &'a Expr, rhs: &'a Expr) -> Option<(BinOpKind, &'a Expr, &'a Expr)> {
match binop {
BiAdd | BiMul | BiBitXor | BiBitAnd | BiEq | BiNe | BiBitOr => Some((binop, rhs, lhs)),
BiLt => Some((BiGt, rhs, lhs)),
BiLe => Some((BiGe, rhs, lhs)),
BiGe => Some((BiLe, rhs, lhs)),
BiGt => Some((BiLt, rhs, lhs)),
BiShl | BiShr | BiRem | BiSub | BiDiv | BiAnd | BiOr => None,
BinOpKind::Add |
BinOpKind::Mul |
BinOpKind::Eq |
BinOpKind::Ne |
BinOpKind::BitAnd |
BinOpKind::BitXor |
BinOpKind::BitOr => Some((binop, rhs, lhs)),
BinOpKind::Lt => Some((BinOpKind::Gt, rhs, lhs)),
BinOpKind::Le => Some((BinOpKind::Ge, rhs, lhs)),
BinOpKind::Ge => Some((BinOpKind::Le, rhs, lhs)),
BinOpKind::Gt => Some((BinOpKind::Lt, rhs, lhs)),
BinOpKind::Shl |
BinOpKind::Shr |
BinOpKind::Rem |
BinOpKind::Sub |
BinOpKind::Div |
BinOpKind::And |
BinOpKind::Or => None,
}
}

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@ -382,21 +382,21 @@ fn associativity(op: &AssocOp) -> Associativity {
/// Convert a `hir::BinOp` to the corresponding assigning binary operator.
fn hirbinop2assignop(op: hir::BinOp) -> AssocOp {
use rustc::hir::BinOp_::*;
use rustc::hir::BinOpKind::*;
use syntax::parse::token::BinOpToken::*;
AssocOp::AssignOp(match op.node {
BiAdd => Plus,
BiBitAnd => And,
BiBitOr => Or,
BiBitXor => Caret,
BiDiv => Slash,
BiMul => Star,
BiRem => Percent,
BiShl => Shl,
BiShr => Shr,
BiSub => Minus,
BiAnd | BiEq | BiGe | BiGt | BiLe | BiLt | BiNe | BiOr => panic!("This operator does not exist"),
BinOpKind::Add => Plus,
BinOpKind::BitAnd => And,
BinOpKind::BitOr => Or,
BinOpKind::BitXor => Caret,
BinOpKind::Div => Slash,
BinOpKind::Mul => Star,
BinOpKind::Rem => Percent,
BinOpKind::Shl => Shl,
BinOpKind::Shr => Shr,
BinOpKind::Sub => Minus,
BinOpKind::And | BinOpKind::Eq | BinOpKind::Ge | BinOpKind::Gt | BinOpKind::Le | BinOpKind::Lt | BinOpKind::Ne | BinOpKind::Or => panic!("This operator does not exist"),
})
}

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@ -33,7 +33,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
// check for instances of 0.0/0.0
if_chain! {
if let ExprKind::Binary(ref op, ref left, ref right) = expr.node;
if let BinOp_::BiDiv = op.node;
if let BinOpKind::Div = op.node;
// TODO - constant_simple does not fold many operations involving floats.
// That's probably fine for this lint - it's pretty unlikely that someone would
// do something like 0.0/(2.0 - 2.0), but it would be nice to warn on that case too.

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@ -25,7 +25,7 @@ impl Mul for Foo {
type Output = Foo;
fn mul(self, other: Foo) -> Foo {
Foo(self.0 * other.0 % 42) // OK: BiRem part of BiExpr as parent node
Foo(self.0 * other.0 % 42) // OK: BinOpKind::Rem part of BiExpr as parent node
}
}
@ -33,7 +33,7 @@ impl Sub for Foo {
type Output = Foo;
fn sub(self, other: Self) -> Self {
Foo(self.0 * other.0 - 42) // OK: BiMul part of BiExpr as child node
Foo(self.0 * other.0 - 42) // OK: BinOpKind::Mul part of BiExpr as child node
}
}
@ -41,7 +41,7 @@ impl Div for Foo {
type Output = Foo;
fn div(self, other: Self) -> Self {
Foo(do_nothing(self.0 + other.0) / 42) // OK: BiAdd part of BiExpr as child node
Foo(do_nothing(self.0 + other.0) / 42) // OK: BinOpKind::Add part of BiExpr as child node
}
}

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@ -1,8 +1,8 @@
if_chain! {
if let ExprKind::Binary(ref op, ref left, ref right) = expr.node;
if BinOp_::BiEq == op.node;
if BinOpKind::Eq == op.node;
if let ExprKind::Binary(ref op1, ref left1, ref right1) = left.node;
if BinOp_::BiBitAnd == op1.node;
if BinOpKind::BitAnd == op1.node;
if let ExprKind::Path(ref path) = left1.node;
if match_qpath(path, &["x"]);
if let ExprKind::Lit(ref lit) = right1.node;