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Fix dogfood error

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flip1995 2019-04-18 13:37:20 +02:00
parent 88359a136f
commit 10cd28900f
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GPG Key ID: 01C836B640FFDFB1
1 changed files with 8 additions and 5 deletions
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13
clippy_lints/src/assertions_on_constants.rs
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@ -2,6 +2,7 @@ use if_chain::if_chain;
use rustc::hir::{Expr, ExprKind};
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint};
use syntax_pos::Span;
use crate::consts::{constant, Constant};
use crate::utils::{in_macro, is_direct_expn_of, span_help_and_lint};
@ -33,14 +34,16 @@ declare_lint_pass!(AssertionsOnConstants => [ASSERTIONS_ON_CONSTANTS]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssertionsOnConstants {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
let mut is_debug_assert = false;
let debug_assert_not_in_macro = |span: Span| {
is_debug_assert = true;
// Check that `debug_assert!` itself is not inside a macro
!in_macro(span)
};
if_chain! {
if let Some(assert_span) = is_direct_expn_of(e.span, "assert");
if !in_macro(assert_span)
|| is_direct_expn_of(assert_span, "debug_assert").map_or(false, |span| {
is_debug_assert = true;
// Check that `debug_assert!` itself is not inside a macro
!in_macro(span)
});
|| is_direct_expn_of(assert_span, "debug_assert")
.map_or(false, debug_assert_not_in_macro);
if let ExprKind::Unary(_, ref lit) = e.node;
if let Some(bool_const) = constant(cx, cx.tables, lit);
then {