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s/cx.span_lint/span_lint(cx, /

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This commit is contained in:
mcarton 2016-03-26 01:49:45 +01:00
parent 2d5e3f3118
commit e7158dc8f1
2 changed files with 23 additions and 18 deletions
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22
src/misc.rs
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@ -312,7 +312,7 @@ impl LateLintPass for ModuloOne {
if let ExprBinary(ref cmp, _, ref right) = expr.node {
if let Spanned {node: BinOp_::BiRem, ..} = *cmp {
if is_integer_literal(right, 1) {
cx.span_lint(MODULO_ONE, expr.span, "any number modulo 1 will be 0");
span_lint(cx, MODULO_ONE, expr.span, "any number modulo 1 will be 0");
}
}
}
@ -347,11 +347,12 @@ impl LateLintPass for PatternPass {
fn check_pat(&mut self, cx: &LateContext, pat: &Pat) {
if let PatKind::Ident(_, ref ident, Some(ref right)) = pat.node {
if right.node == PatKind::Wild {
cx.span_lint(REDUNDANT_PATTERN,
pat.span,
&format!("the `{} @ _` pattern can be written as just `{}`",
ident.node.name,
ident.node.name));
span_lint(cx,
REDUNDANT_PATTERN,
pat.span,
&format!("the `{} @ _` pattern can be written as just `{}`",
ident.node.name,
ident.node.name));
}
}
}
@ -408,10 +409,11 @@ impl LateLintPass for UsedUnderscoreBinding {
_ => false,
};
if needs_lint {
cx.span_lint(USED_UNDERSCORE_BINDING,
expr.span,
"used binding which is prefixed with an underscore. A leading underscore signals that a \
binding will not be used.");
span_lint(cx,
USED_UNDERSCORE_BINDING,
expr.span,
"used binding which is prefixed with an underscore. A leading underscore signals that a \
binding will not be used.");
}
}
}

19
src/ranges.rs
View file

@ -1,7 +1,7 @@
use rustc::lint::*;
use rustc_front::hir::*;
use syntax::codemap::Spanned;
use utils::{is_integer_literal, match_type, snippet, unsugar_range, UnsugaredRange};
use utils::{is_integer_literal, match_type, snippet, span_lint, unsugar_range, UnsugaredRange};
/// **What it does:** This lint checks for iterating over ranges with a `.step_by(0)`, which never terminates.
///
@ -41,10 +41,11 @@ impl LateLintPass for StepByZero {
// Range with step_by(0).
if name.as_str() == "step_by" && args.len() == 2 && is_range(cx, &args[0]) &&
is_integer_literal(&args[1], 0) {
cx.span_lint(RANGE_STEP_BY_ZERO,
expr.span,
"Range::step_by(0) produces an infinite iterator. Consider using `std::iter::repeat()` \
instead")
span_lint(cx,
RANGE_STEP_BY_ZERO,
expr.span,
"Range::step_by(0) produces an infinite iterator. Consider using `std::iter::repeat()` \
instead");
} else if name.as_str() == "zip" && args.len() == 2 {
let iter = &args[0].node;
let zip_arg = &args[1];
@ -64,9 +65,11 @@ impl LateLintPass for StepByZero {
let ExprPath(_, Path { segments: ref len_path, .. }) = len_args[0].node,
iter_path == len_path
], {
cx.span_lint(RANGE_ZIP_WITH_LEN, expr.span,
&format!("It is more idiomatic to use {}.iter().enumerate()",
snippet(cx, iter_args[0].span, "_")));
span_lint(cx,
RANGE_ZIP_WITH_LEN,
expr.span,
&format!("It is more idiomatic to use {}.iter().enumerate()",
snippet(cx, iter_args[0].span, "_")));
}
}
}