all: make style of lint messages consistent
* start first sentence lowercased * use backticks to delimit code snippets * use "this is wrong. Consider doing X." consistently
This commit is contained in:
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@ -53,7 +53,7 @@ fn check_known_consts(cx: &Context, span: Span, str: &str, module: &str) {
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for &(constant, name) in KNOWN_CONSTS {
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if within_epsilon(constant, value) {
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span_lint(cx, APPROX_CONSTANT, span, &format!(
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"Approximate value of {}::{} found, consider using it directly.", module, &name));
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"approximate value of `{}::{}` found. Consider using it directly.", module, &name));
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}
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}
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}
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@ -101,7 +101,7 @@ fn check_attrs(cx: &Context, info: Option<&ExpnInfo>, ident: &Ident,
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if let MetaWord(ref always) = values[0].node {
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if always != &"always" { continue; }
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span_lint(cx, INLINE_ALWAYS, attr.span, &format!(
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"You have declared #[inline(always)] on {}. This \
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"you have declared `#[inline(always)]` on `{}`. This \
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is usually a bad idea. Are you sure?",
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ident.name.as_str()));
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}
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@ -97,7 +97,7 @@ fn check_bit_mask(cx: &Context, bit_op: BinOp_, cmp_op: BinOp_,
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BiBitAnd => if mask_value & cmp_value != mask_value {
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if cmp_value != 0 {
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span_lint(cx, BAD_BIT_MASK, *span, &format!(
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"incompatible bit mask: _ & {} can never be equal to {}",
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"incompatible bit mask: `_ & {}` can never be equal to `{}`",
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mask_value, cmp_value));
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}
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} else {
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@ -108,7 +108,7 @@ fn check_bit_mask(cx: &Context, bit_op: BinOp_, cmp_op: BinOp_,
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},
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BiBitOr => if mask_value | cmp_value != cmp_value {
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span_lint(cx, BAD_BIT_MASK, *span, &format!(
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"incompatible bit mask: _ | {} can never be equal to {}",
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"incompatible bit mask: `_ | {}` can never be equal to `{}`",
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mask_value, cmp_value));
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},
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_ => ()
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@ -116,7 +116,7 @@ fn check_bit_mask(cx: &Context, bit_op: BinOp_, cmp_op: BinOp_,
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BiLt | BiGe => match bit_op {
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BiBitAnd => if mask_value < cmp_value {
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span_lint(cx, BAD_BIT_MASK, *span, &format!(
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"incompatible bit mask: _ & {} will always be lower than {}",
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"incompatible bit mask: `_ & {}` will always be lower than `{}`",
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mask_value, cmp_value));
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} else {
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if mask_value == 0 {
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@ -126,12 +126,12 @@ fn check_bit_mask(cx: &Context, bit_op: BinOp_, cmp_op: BinOp_,
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},
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BiBitOr => if mask_value >= cmp_value {
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span_lint(cx, BAD_BIT_MASK, *span, &format!(
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"incompatible bit mask: _ | {} will never be lower than {}",
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"incompatible bit mask: `_ | {}` will never be lower than `{}`",
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mask_value, cmp_value));
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} else {
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if mask_value < cmp_value {
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span_lint(cx, INEFFECTIVE_BIT_MASK, *span, &format!(
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"ineffective bit mask: x | {} compared to {} is the same as x compared directly",
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"ineffective bit mask: `x | {}` compared to `{}` is the same as x compared directly",
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mask_value, cmp_value));
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}
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},
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@ -140,7 +140,7 @@ fn check_bit_mask(cx: &Context, bit_op: BinOp_, cmp_op: BinOp_,
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BiLe | BiGt => match bit_op {
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BiBitAnd => if mask_value <= cmp_value {
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span_lint(cx, BAD_BIT_MASK, *span, &format!(
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"incompatible bit mask: _ & {} will never be higher than {}",
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"incompatible bit mask: `_ & {}` will never be higher than `{}`",
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mask_value, cmp_value));
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} else {
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if mask_value == 0 {
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@ -150,12 +150,12 @@ fn check_bit_mask(cx: &Context, bit_op: BinOp_, cmp_op: BinOp_,
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},
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BiBitOr => if mask_value > cmp_value {
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span_lint(cx, BAD_BIT_MASK, *span, &format!(
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"incompatible bit mask: _ | {} will always be higher than {}",
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"incompatible bit mask: `_ | {}` will always be higher than `{}`",
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mask_value, cmp_value));
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} else {
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if mask_value < cmp_value {
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span_lint(cx, INEFFECTIVE_BIT_MASK, *span, &format!(
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"ineffective bit mask: x | {} compared to {} is the same as x compared directly",
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"ineffective bit mask: `x | {}` compared to `{}` is the same as x compared directly",
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mask_value, cmp_value));
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}
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},
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@ -48,7 +48,7 @@ fn check_expr_expd(cx: &Context, e: &Expr, info: Option<&ExpnInfo>) {
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if let Some(&Expr{ node: ExprIf(ref check_inner, _, None), ..}) =
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single_stmt_of_block(then) {
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span_lint(cx, COLLAPSIBLE_IF, e.span, &format!(
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"This if statement can be collapsed. Try: if {} && {}\n{:?}",
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"this if statement can be collapsed. Try: `if {} && {}`\n{:?}",
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check_to_string(check), check_to_string(check_inner), e));
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}
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}
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@ -51,7 +51,7 @@ impl LintPass for EtaPass {
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}
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}
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span_lint(cx, REDUNDANT_CLOSURE, expr.span,
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&format!("Redundant closure found, consider using `{}` in its place",
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&format!("redundant closure found. Consider using `{}` in its place.",
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expr_to_string(caller))[..])
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}
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}
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@ -49,7 +49,7 @@ impl LintPass for IdentityOp {
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fn check(cx: &Context, e: &Expr, m: i8, span: Span, arg: Span) {
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if have_lit(cx, e, m) {
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span_lint(cx, IDENTITY_OP, span, &format!(
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"The operation is ineffective. Consider reducing it to '{}'",
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"the operation is ineffective. Consider reducing it to `{}`.",
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snippet(cx, arg, "..")));
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}
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}
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@ -58,8 +58,8 @@ fn check_trait_items(cx: &Context, item: &Item, trait_items: &[P<TraitItem>]) {
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for i in trait_items {
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if is_named_self(i, "len") {
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span_lint(cx, LEN_WITHOUT_IS_EMPTY, i.span,
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&format!("Trait '{}' has a '.len(_: &Self)' method, but no \
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'.is_empty(_: &Self)' method. Consider adding one.",
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&format!("trait `{}` has a `.len(_: &Self)` method, but no \
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`.is_empty(_: &Self)` method. Consider adding one.",
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item.ident.name));
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}
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};
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@ -78,8 +78,8 @@ fn check_impl_items(cx: &Context, item: &Item, impl_items: &[P<ImplItem>]) {
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let s = i.span;
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span_lint(cx, LEN_WITHOUT_IS_EMPTY,
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Span{ lo: s.lo, hi: s.lo, expn_id: s.expn_id },
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&format!("Item '{}' has a '.len(_: &Self)' method, but no \
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'.is_empty(_: &Self)' method. Consider adding one.",
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&format!("item `{}` has a `.len(_: &Self)` method, but no \
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`.is_empty(_: &Self)` method. Consider adding one.",
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item.ident.name));
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return;
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}
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@ -108,7 +108,7 @@ fn check_len_zero(cx: &Context, span: Span, method: &SpannedIdent,
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if method.node.name == "len" && args.len() == 1 &&
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has_is_empty(cx, &*args[0]) {
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span_lint(cx, LEN_ZERO, span, &format!(
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"Consider replacing the len comparison with '{}_.is_empty()'",
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"consider replacing the len comparison with `{}_.is_empty()`",
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empty))
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}
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}
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20
src/misc.rs
20
src/misc.rs
@ -43,10 +43,10 @@ impl LintPass for MiscPass {
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format!("{{ {} }}", body_code)
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};
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span_help_and_lint(cx, SINGLE_MATCH, expr.span,
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"You seem to be trying to use match for \
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"you seem to be trying to use match for \
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destructuring a single pattern. Did you mean to \
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use `if let`?",
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&*format!("Try\nif let {} = {} {}",
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&*format!("try\nif let {} = {} {}",
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snippet(cx, arms[0].pats[0].span, ".."),
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snippet(cx, ex.span, ".."),
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suggestion)
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@ -74,7 +74,7 @@ impl LintPass for StrToStringPass {
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ast::ExprMethodCall(ref method, _, ref args)
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if method.node.name == "to_string"
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&& is_str(cx, &*args[0]) => {
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span_lint(cx, STR_TO_STRING, expr.span, "str.to_owned() is faster");
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span_lint(cx, STR_TO_STRING, expr.span, "`str.to_owned()` is faster");
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},
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_ => ()
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}
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@ -105,7 +105,7 @@ impl LintPass for TopLevelRefPass {
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span_lint(cx,
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TOPLEVEL_REF_ARG,
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arg.pat.span,
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"`ref` directly on a function argument is ignored. Have you considered using a reference type instead?"
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"`ref` directly on a function argument is ignored. Consider using a reference type instead."
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);
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}
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}
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@ -139,7 +139,7 @@ impl LintPass for CmpNan {
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fn check_nan(cx: &Context, path: &Path, span: Span) {
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path.segments.last().map(|seg| if seg.identifier.name == "NAN" {
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span_lint(cx, CMP_NAN, span,
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"Doomed comparison with NAN, use std::{f32,f64}::is_nan instead");
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"doomed comparison with NAN, use `std::{f32,f64}::is_nan()` instead");
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});
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}
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@ -159,7 +159,7 @@ impl LintPass for FloatCmp {
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let op = cmp.node;
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if (op == BiEq || op == BiNe) && (is_float(cx, left) || is_float(cx, right)) {
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span_lint(cx, FLOAT_CMP, expr.span, &format!(
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"{}-Comparison of f32 or f64 detected. You may want to change this to 'abs({} - {}) < epsilon' for some suitable value of epsilon",
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"{}-comparison of f32 or f64 detected. Consider changing this to `abs({} - {}) < epsilon` for some suitable value of epsilon.",
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binop_to_string(op), snippet(cx, left.span, ".."),
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snippet(cx, right.span, "..")));
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}
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@ -190,7 +190,7 @@ impl LintPass for Precedence {
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if let ExprBinary(Spanned { node: op, ..}, ref left, ref right) = expr.node {
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if is_bit_op(op) && (is_arith_expr(left) || is_arith_expr(right)) {
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span_lint(cx, PRECEDENCE, expr.span,
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"Operator precedence can trip the unwary. Consider adding parenthesis to the subexpression.");
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"operator precedence can trip the unwary. Consider adding parenthesis to the subexpression.");
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}
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}
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}
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@ -246,7 +246,7 @@ fn check_to_owned(cx: &Context, expr: &Expr, other_span: Span) {
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name == "to_owned" && is_str_arg(cx, args) {
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span_lint(cx, CMP_OWNED, expr.span, &format!(
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"this creates an owned instance just for comparison. \
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Consider using {}.as_slice() to compare without allocation",
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Consider using `{}.as_slice()` to compare without allocation.",
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snippet(cx, other_span, "..")))
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}
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},
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@ -256,7 +256,7 @@ fn check_to_owned(cx: &Context, expr: &Expr, other_span: Span) {
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match_path(path, &["String", "from"]) {
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span_lint(cx, CMP_OWNED, expr.span, &format!(
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"this creates an owned instance just for comparison. \
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Consider using {}.as_slice() to compare without allocation",
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Consider using `{}.as_slice()` to compare without allocation.",
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snippet(cx, other_span, "..")))
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}
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}
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@ -284,7 +284,7 @@ impl LintPass for ModuloOne {
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if let ExprBinary(ref cmp, _, ref right) = expr.node {
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if let &Spanned {node: BinOp_::BiRem, ..} = cmp {
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if is_lit_one(right) {
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cx.span_lint(MODULO_ONE, expr.span, "Any number modulo 1 will be 0");
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cx.span_lint(MODULO_ONE, expr.span, "any number modulo 1 will be 0");
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}
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}
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}
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@ -23,7 +23,7 @@ impl LintPass for MutMut {
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fn check_ty(&mut self, cx: &Context, ty: &Ty) {
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unwrap_mut(ty).and_then(unwrap_mut).map_or((), |_| span_lint(cx, MUT_MUT,
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ty.span, "Generally you want to avoid &mut &mut _ if possible."))
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ty.span, "generally you want to avoid `&mut &mut _` if possible"))
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}
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}
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@ -40,13 +40,13 @@ fn check_expr_expd(cx: &Context, expr: &Expr, info: Option<&ExpnInfo>) {
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unwrap_addr(expr).map_or((), |e| {
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unwrap_addr(e).map(|_| {
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span_lint(cx, MUT_MUT, expr.span,
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"Generally you want to avoid &mut &mut _ if possible.")
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"generally you want to avoid `&mut &mut _` if possible")
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}).unwrap_or_else(|| {
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if let TyRef(_, TypeAndMut{ty: _, mutbl: MutMutable}) =
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cx.tcx.expr_ty(e).sty {
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span_lint(cx, MUT_MUT, expr.span,
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"This expression mutably borrows a mutable reference. \
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Consider reborrowing")
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"this expression mutably borrows a mutable reference. \
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Consider reborrowing.")
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}
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})
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})
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@ -34,10 +34,10 @@ impl LintPass for NeedlessBool {
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"your if-then-else expression will always return true"); },
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(Option::Some(true), Option::Some(false)) => {
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span_lint(cx, NEEDLESS_BOOL, e.span,
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"you can reduce your if-statement to its predicate"); },
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"you can reduce your if statement to its predicate"); },
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(Option::Some(false), Option::Some(true)) => {
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span_lint(cx, NEEDLESS_BOOL, e.span,
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"you can reduce your if-statement to '!' + your predicate"); },
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"you can reduce your if statement to `!` + your predicate"); },
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(Option::Some(false), Option::Some(false)) => {
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span_lint(cx, NEEDLESS_BOOL, e.span,
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"your if-then-else expression will always return false"); },
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@ -60,10 +60,10 @@ fn check_ptr_subtype(cx: &Context, span: Span, ty: &Ty) {
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match_ty_unwrap(ty, &["Vec"]).map_or_else(|| match_ty_unwrap(ty,
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&["String"]).map_or((), |_| {
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span_lint(cx, PTR_ARG, span,
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"Writing '&String' instead of '&str' involves a new Object \
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where a slices will do. Consider changing the type to &str")
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"writing `&String` instead of `&str` involves a new object \
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where a slice will do. Consider changing the type to `&str`.")
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}), |_| span_lint(cx, PTR_ARG, span,
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"Writing '&Vec<_>' instead of \
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'&[_]' involves one more reference and cannot be used with \
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non-vec-based slices. Consider changing the type to &[...]"))
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"writing `&Vec<_>` instead of \
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`&[_]` involves one more reference and cannot be used with \
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non-Vec-based slices. Consider changing the type to `&[...]`."))
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}
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@ -59,7 +59,7 @@ impl ReturnPass {
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fn emit_return_lint(&mut self, cx: &Context, spans: (Span, Span)) {
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span_lint(cx, NEEDLESS_RETURN, spans.0, &format!(
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"unneeded return statement. Consider using {} \
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"unneeded return statement. Consider using `{}` \
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without the trailing semicolon",
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snippet(cx, spans.1, "..")))
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}
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@ -29,8 +29,8 @@ impl LintPass for StringAdd {
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if let &ExprAssign(ref target, ref src) = &e.node {
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if is_string(cx, target) && is_add(src, target) {
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span_lint(cx, STRING_ADD_ASSIGN, e.span,
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"You assign the result of adding something to this string. \
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Consider using `String::push_str(..) instead.")
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"you assign the result of adding something to this string. \
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Consider using `String::push_str()` instead.")
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}
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}
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}
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@ -1,5 +1,3 @@
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use syntax::ptr::P;
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use syntax::ast;
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use syntax::ast::*;
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@ -55,8 +53,8 @@ impl LintPass for TypePass {
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.and_then(|t| match_ty_unwrap(&**t, &["std", "vec", "Vec"]))
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.map(|_| {
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span_help_and_lint(cx, BOX_VEC, ty.span,
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"You seem to be trying to use Box<Vec<T>>. Did you mean to use Vec<T>?",
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"Vec<T> is already on the heap, Box<Vec<T>> makes an extra allocation");
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"you seem to be trying to use `Box<Vec<T>>`. Did you mean to use `Vec<T>`?",
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"`Vec<T>` is already on the heap, `Box<Vec<T>>` makes an extra allocation");
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});
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{
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// In case stuff gets moved around
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@ -71,7 +69,7 @@ impl LintPass for TypePass {
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if match_ty_unwrap(ty, &path[..]).is_some() {
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span_help_and_lint(cx, LINKEDLIST, ty.span,
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"I see you're using a LinkedList! Perhaps you meant some other data structure?",
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"A RingBuf might work.");
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"a RingBuf might work");
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return;
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}
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}
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@ -41,6 +41,6 @@ fn lint_zero_width(cx: &Context, span: Span, start: Option<usize>) {
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lo: span.lo + BytePos(index as u32),
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hi: span.lo + BytePos(index as u32),
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expn_id: span.expn_id,
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}, "Zero-width space detected. Consider using \\u{200B}")
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}, "zero-width space detected. Consider using `\\u{200B}`.")
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});
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}
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@ -3,7 +3,7 @@
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#![deny(inline_always)]
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#[inline(always)] //~ERROR You have declared #[inline(always)] on test_attr_lint.
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#[inline(always)] //~ERROR you have declared `#[inline(always)]` on `test_attr_lint`.
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fn test_attr_lint() {
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assert!(true)
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}
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@ -3,7 +3,7 @@
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#![plugin(clippy)]
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#![deny(clippy)]
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pub fn test(foo: Box<Vec<bool>>) { //~ ERROR You seem to be trying to use Box<Vec<T>>
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pub fn test(foo: Box<Vec<bool>>) { //~ ERROR you seem to be trying to use `Box<Vec<T>>`
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println!("{:?}", foo.get(0))
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}
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@ -5,13 +5,13 @@
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fn main() {
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let x = "hello";
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let y = "world";
|
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if x == "hello" { //~ERROR This if statement can be collapsed
|
||||
if x == "hello" { //~ERROR this if statement can be collapsed
|
||||
if y == "world" {
|
||||
println!("Hello world!");
|
||||
}
|
||||
}
|
||||
|
||||
if x == "hello" || x == "world" { //~ERROR This if statement can be collapsed
|
||||
if x == "hello" || x == "world" { //~ERROR this if statement can be collapsed
|
||||
if y == "world" || y == "hello" {
|
||||
println!("Hello world!");
|
||||
}
|
||||
|
8
tests/compile-fail/eta.rs
Normal file → Executable file
8
tests/compile-fail/eta.rs
Normal file → Executable file
@ -5,11 +5,11 @@
|
||||
|
||||
fn main() {
|
||||
let a = |a, b| foo(a, b);
|
||||
//~^ ERROR Redundant closure found, consider using `foo` in its place
|
||||
//~^ ERROR redundant closure found. Consider using `foo` in its place
|
||||
let c = |a, b| {1+2; foo}(a, b);
|
||||
//~^ ERROR Redundant closure found, consider using `{ 1 + 2; foo }` in its place
|
||||
//~^ ERROR redundant closure found. Consider using `{ 1 + 2; foo }` in its place
|
||||
let d = |a, b| foo((|c, d| foo2(c,d))(a,b), b);
|
||||
//~^ ERROR Redundant closure found, consider using `foo2` in its place
|
||||
//~^ ERROR redundant closure found. Consider using `foo2` in its place
|
||||
}
|
||||
|
||||
fn foo(_: u8, _: u8) {
|
||||
@ -18,4 +18,4 @@ fn foo(_: u8, _: u8) {
|
||||
|
||||
fn foo2(_: u8, _: u8) -> u8 {
|
||||
1u8
|
||||
}
|
||||
}
|
||||
|
@ -5,14 +5,14 @@ struct One;
|
||||
|
||||
#[deny(len_without_is_empty)]
|
||||
impl One {
|
||||
fn len(self: &Self) -> isize { //~ERROR Item 'One' has a '.len(_: &Self)'
|
||||
fn len(self: &Self) -> isize { //~ERROR item `One` has a `.len(_: &Self)`
|
||||
1
|
||||
}
|
||||
}
|
||||
|
||||
#[deny(len_without_is_empty)]
|
||||
trait TraitsToo {
|
||||
fn len(self: &Self) -> isize; //~ERROR Trait 'TraitsToo' has a '.len(_:
|
||||
fn len(self: &Self) -> isize; //~ERROR trait `TraitsToo` has a `.len(_:
|
||||
}
|
||||
|
||||
impl TraitsToo for One {
|
||||
@ -56,7 +56,7 @@ struct HasWrongIsEmpty;
|
||||
|
||||
#[deny(len_without_is_empty)]
|
||||
impl HasWrongIsEmpty {
|
||||
fn len(self: &Self) -> isize { //~ERROR Item 'HasWrongIsEmpty' has a '.len(_: &Self)'
|
||||
fn len(self: &Self) -> isize { //~ERROR item `HasWrongIsEmpty` has a `.len(_: &Self)`
|
||||
1
|
||||
}
|
||||
|
||||
@ -69,7 +69,7 @@ impl HasWrongIsEmpty {
|
||||
#[deny(len_zero)]
|
||||
fn main() {
|
||||
let x = [1, 2];
|
||||
if x.len() == 0 { //~ERROR Consider replacing the len comparison
|
||||
if x.len() == 0 { //~ERROR consider replacing the len comparison
|
||||
println!("This should not happen!");
|
||||
}
|
||||
|
||||
@ -84,13 +84,13 @@ fn main() {
|
||||
}
|
||||
|
||||
let hie = HasIsEmpty;
|
||||
if hie.len() == 0 { //~ERROR Consider replacing the len comparison
|
||||
if hie.len() == 0 { //~ERROR consider replacing the len comparison
|
||||
println!("Or this!");
|
||||
}
|
||||
assert!(!hie.is_empty());
|
||||
|
||||
let wie : &WithIsEmpty = &Wither;
|
||||
if wie.len() == 0 { //~ERROR Consider replacing the len comparison
|
||||
if wie.len() == 0 { //~ERROR consider replacing the len comparison
|
||||
println!("Or this!");
|
||||
}
|
||||
assert!(!wie.is_empty());
|
||||
|
@ -5,8 +5,8 @@
|
||||
|
||||
fn main(){
|
||||
let x = Some(1u8);
|
||||
match x { //~ ERROR You seem to be trying to use match
|
||||
//~^ HELP Try
|
||||
match x { //~ ERROR you seem to be trying to use match
|
||||
//~^ HELP try
|
||||
Some(y) => {
|
||||
println!("{:?}", y);
|
||||
}
|
||||
@ -18,8 +18,8 @@ fn main(){
|
||||
None => ()
|
||||
}
|
||||
let z = (1u8,1u8);
|
||||
match z { //~ ERROR You seem to be trying to use match
|
||||
//~^ HELP Try
|
||||
match z { //~ ERROR you seem to be trying to use match
|
||||
//~^ HELP try
|
||||
(2...3, 7...9) => println!("{:?}", z),
|
||||
_ => {}
|
||||
}
|
||||
|
2
tests/compile-fail/modulo_one.rs
Normal file → Executable file
2
tests/compile-fail/modulo_one.rs
Normal file → Executable file
@ -3,6 +3,6 @@
|
||||
#![deny(modulo_one)]
|
||||
|
||||
fn main() {
|
||||
10 % 1; //~ERROR Any number modulo 1 will be 0
|
||||
10 % 1; //~ERROR any number modulo 1 will be 0
|
||||
10 % 2;
|
||||
}
|
||||
|
@ -3,7 +3,7 @@
|
||||
|
||||
#[deny(ptr_arg)]
|
||||
#[allow(unused)]
|
||||
fn do_vec(x: &Vec<i64>) { //~ERROR: Writing '&Vec<_>' instead of '&[_]'
|
||||
fn do_vec(x: &Vec<i64>) { //~ERROR: writing `&Vec<_>` instead of `&[_]`
|
||||
//Nothing here
|
||||
}
|
||||
|
||||
|
@ -4,13 +4,13 @@
|
||||
#[deny(zero_width_space)]
|
||||
fn zero() {
|
||||
print!("Here >< is a ZWS, and another");
|
||||
//~^ ERROR Zero-width space detected. Consider using \u{200B}
|
||||
//~^^ ERROR Zero-width space detected. Consider using \u{200B}
|
||||
//~^ ERROR zero-width space detected. Consider using `\u{200B}`
|
||||
//~^^ ERROR zero-width space detected. Consider using `\u{200B}`
|
||||
}
|
||||
|
||||
//#[deny(unicode_canon)]
|
||||
fn canon() {
|
||||
print!("̀ah?"); //not yet ~ERROR Non-canonical unicode sequence detected. Consider using à
|
||||
print!("̀ah?"); //not yet ~ERROR non-canonical unicode sequence detected. Consider using à
|
||||
}
|
||||
|
||||
//#[deny(ascii_only)]
|
||||
|
Loading…
Reference in New Issue
Block a user