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Use lint pass macros

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Fixes #3917.
This commit is contained in:
Matthew Kraai 2019-04-08 13:43:55 -07:00
parent 24bb63383a
commit 753c39672e
131 changed files with 589 additions and 2097 deletions
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15
clippy_lints/src/overflow_check_conditional.rs
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@ -2,7 +2,7 @@ use crate::utils::{span_lint, SpanlessEq};
use if_chain::if_chain;
use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_tool_lint, lint_array};
use rustc::{declare_lint_pass, declare_tool_lint};
declare_clippy_lint! {
/// **What it does:** Detects classic underflow/overflow checks.
@ -21,18 +21,7 @@ declare_clippy_lint! {
"overflow checks inspired by C which are likely to panic"
}
#[derive(Copy, Clone)]
pub struct OverflowCheckConditional;
impl LintPass for OverflowCheckConditional {
fn get_lints(&self) -> LintArray {
lint_array!(OVERFLOW_CHECK_CONDITIONAL)
}
fn name(&self) -> &'static str {
"OverflowCheckConditional"
}
}
declare_lint_pass!(OverflowCheckConditional => [OVERFLOW_CHECK_CONDITIONAL]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for OverflowCheckConditional {
// a + b < a, a > a + b, a < a - b, a - b > a