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rustc_lint: only query typeck_tables_of when a lint needs it.

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This commit is contained in:
Eduard-Mihai Burtescu 2020-06-26 02:56:23 +03:00
parent 80bcbf521c
commit f5ce0e5fe9
100 changed files with 361 additions and 366 deletions
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24
clippy_lints/src/floating_point_arithmetic.rs
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@ -112,7 +112,7 @@ declare_lint_pass!(FloatingPointArithmetic => [
// Returns the specialized log method for a given base if base is constant
// and is one of 2, 10 and e
fn get_specialized_log_method(cx: &LateContext<'_, '_>, base: &Expr<'_>) -> Option<&'static str> {
if let Some((value, _)) = constant(cx, cx.tables, base) {
if let Some((value, _)) = constant(cx, cx.tables(), base) {
if F32(2.0) == value || F64(2.0) == value {
return Some("log2");
} else if F32(10.0) == value || F64(10.0) == value {
@ -136,7 +136,7 @@ fn prepare_receiver_sugg<'a>(cx: &LateContext<'_, '_>, mut expr: &'a Expr<'a>) -
if_chain! {
// if the expression is a float literal and it is unsuffixed then
// add a suffix so the suggestion is valid and unambiguous
if let ty::Float(float_ty) = cx.tables.expr_ty(expr).kind;
if let ty::Float(float_ty) = cx.tables().expr_ty(expr).kind;
if let ExprKind::Lit(lit) = &expr.kind;
if let ast::LitKind::Float(sym, ast::LitFloatType::Unsuffixed) = lit.node;
then {
@ -188,7 +188,7 @@ fn check_ln1p(cx: &LateContext<'_, '_>, expr: &Expr<'_>, args: &[Expr<'_>]) {
rhs,
) = &args[0].kind
{
let recv = match (constant(cx, cx.tables, lhs), constant(cx, cx.tables, rhs)) {
let recv = match (constant(cx, cx.tables(), lhs), constant(cx, cx.tables(), rhs)) {
(Some((value, _)), _) if F32(1.0) == value || F64(1.0) == value => rhs,
(_, Some((value, _))) if F32(1.0) == value || F64(1.0) == value => lhs,
_ => return,
@ -233,7 +233,7 @@ fn get_integer_from_float_constant(value: &Constant) -> Option<i32> {
fn check_powf(cx: &LateContext<'_, '_>, expr: &Expr<'_>, args: &[Expr<'_>]) {
// Check receiver
if let Some((value, _)) = constant(cx, cx.tables, &args[0]) {
if let Some((value, _)) = constant(cx, cx.tables(), &args[0]) {
let method = if F32(f32_consts::E) == value || F64(f64_consts::E) == value {
"exp"
} else if F32(2.0) == value || F64(2.0) == value {
@ -254,7 +254,7 @@ fn check_powf(cx: &LateContext<'_, '_>, expr: &Expr<'_>, args: &[Expr<'_>]) {
}
// Check argument
if let Some((value, _)) = constant(cx, cx.tables, &args[1]) {
if let Some((value, _)) = constant(cx, cx.tables(), &args[1]) {
let (lint, help, suggestion) = if F32(1.0 / 2.0) == value || F64(1.0 / 2.0) == value {
(
SUBOPTIMAL_FLOPS,
@ -298,11 +298,11 @@ fn check_powf(cx: &LateContext<'_, '_>, expr: &Expr<'_>, args: &[Expr<'_>]) {
fn check_expm1(cx: &LateContext<'_, '_>, expr: &Expr<'_>) {
if_chain! {
if let ExprKind::Binary(Spanned { node: BinOpKind::Sub, .. }, ref lhs, ref rhs) = expr.kind;
if cx.tables.expr_ty(lhs).is_floating_point();
if let Some((value, _)) = constant(cx, cx.tables, rhs);
if cx.tables().expr_ty(lhs).is_floating_point();
if let Some((value, _)) = constant(cx, cx.tables(), rhs);
if F32(1.0) == value || F64(1.0) == value;
if let ExprKind::MethodCall(ref path, _, ref method_args, _) = lhs.kind;
if cx.tables.expr_ty(&method_args[0]).is_floating_point();
if cx.tables().expr_ty(&method_args[0]).is_floating_point();
if path.ident.name.as_str() == "exp";
then {
span_lint_and_sugg(
@ -324,8 +324,8 @@ fn check_expm1(cx: &LateContext<'_, '_>, expr: &Expr<'_>) {
fn is_float_mul_expr<'a>(cx: &LateContext<'_, '_>, expr: &'a Expr<'a>) -> Option<(&'a Expr<'a>, &'a Expr<'a>)> {
if_chain! {
if let ExprKind::Binary(Spanned { node: BinOpKind::Mul, .. }, ref lhs, ref rhs) = &expr.kind;
if cx.tables.expr_ty(lhs).is_floating_point();
if cx.tables.expr_ty(rhs).is_floating_point();
if cx.tables().expr_ty(lhs).is_floating_point();
if cx.tables().expr_ty(rhs).is_floating_point();
then {
return Some((lhs, rhs));
}
@ -404,7 +404,7 @@ fn are_exprs_equal(cx: &LateContext<'_, '_>, expr1: &Expr<'_>, expr2: &Expr<'_>)
/// Returns true iff expr is some zero literal
fn is_zero(cx: &LateContext<'_, '_>, expr: &Expr<'_>) -> bool {
match constant_simple(cx, cx.tables, expr) {
match constant_simple(cx, cx.tables(), expr) {
Some(Constant::Int(i)) => i == 0,
Some(Constant::F32(f)) => f == 0.0,
Some(Constant::F64(f)) => f == 0.0,
@ -482,7 +482,7 @@ fn check_custom_abs(cx: &LateContext<'_, '_>, expr: &Expr<'_>) {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for FloatingPointArithmetic {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr<'_>) {
if let ExprKind::MethodCall(ref path, _, args, _) = &expr.kind {
let recv_ty = cx.tables.expr_ty(&args[0]);
let recv_ty = cx.tables().expr_ty(&args[0]);
if recv_ty.is_floating_point() {
match &*path.ident.name.as_str() {