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Rustup to *rustc 1.15.0-nightly (7b3eeea22 2016-11-21)*

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mcarton 2016-11-23 21:19:03 +01:00
parent 530083c3b9
commit c35f82b823
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GPG key ID: 5E427C794CBA45E8
28 changed files with 111 additions and 105 deletions
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4
clippy_lints/src/approx_const.rs
View file

@ -2,6 +2,7 @@ use rustc::lint::*;
use rustc::hir::*;
use std::f64::consts as f64;
use syntax::ast::{Lit, LitKind, FloatTy};
use syntax::symbol;
use utils::span_lint;
/// **What it does:** Checks for floating point literals that approximate
@ -75,7 +76,8 @@ fn check_lit(cx: &LateContext, lit: &Lit, e: &Expr) {
}
}
fn check_known_consts(cx: &LateContext, e: &Expr, s: &str, module: &str) {
fn check_known_consts(cx: &LateContext, e: &Expr, s: &symbol::Symbol, module: &str) {
let s = &*s.as_str();
if s.parse::<f64>().is_ok() {
for &(constant, name, min_digits) in KNOWN_CONSTS {
if is_approx_const(constant, s, min_digits) {

26
clippy_lints/src/attrs.rs
View file

@ -83,15 +83,15 @@ impl LintPass for AttrPass {
impl LateLintPass for AttrPass {
fn check_attribute(&mut self, cx: &LateContext, attr: &Attribute) {
if let MetaItemKind::List(ref name, ref items) = attr.node.value.node {
if items.is_empty() || name != &"deprecated" {
if let MetaItemKind::List(ref items) = attr.value.node {
if items.is_empty() || attr.name() != "deprecated" {
return;
}
for item in items {
if_let_chain! {[
let NestedMetaItemKind::MetaItem(ref mi) = item.node,
let MetaItemKind::NameValue(ref name, ref lit) = mi.node,
name == &"since",
let MetaItemKind::NameValue(ref lit) = mi.node,
mi.name() == "since",
], {
check_semver(cx, item.span, lit);
}}
@ -107,8 +107,8 @@ impl LateLintPass for AttrPass {
ItemExternCrate(_) |
ItemUse(_) => {
for attr in &item.attrs {
if let MetaItemKind::List(ref name, ref lint_list) = attr.node.value.node {
match &**name {
if let MetaItemKind::List(ref lint_list) = attr.value.node {
match &*attr.name().as_str() {
"allow" | "warn" | "deny" | "forbid" => {
// whitelist `unused_imports`
for lint in lint_list {
@ -210,8 +210,8 @@ fn check_attrs(cx: &LateContext, span: Span, name: &Name, attrs: &[Attribute]) {
}
for attr in attrs {
if let MetaItemKind::List(ref inline, ref values) = attr.node.value.node {
if values.len() != 1 || inline != &"inline" {
if let MetaItemKind::List(ref values) = attr.value.node {
if values.len() != 1 || attr.name() != "inline" {
continue;
}
if is_word(&values[0], "always") {
@ -227,7 +227,7 @@ fn check_attrs(cx: &LateContext, span: Span, name: &Name, attrs: &[Attribute]) {
fn check_semver(cx: &LateContext, span: Span, lit: &Lit) {
if let LitKind::Str(ref is, _) = lit.node {
if Version::parse(&*is).is_ok() {
if Version::parse(&*is.as_str()).is_ok() {
return;
}
}
@ -239,10 +239,8 @@ fn check_semver(cx: &LateContext, span: Span, lit: &Lit) {
fn is_word(nmi: &NestedMetaItem, expected: &str) -> bool {
if let NestedMetaItemKind::MetaItem(ref mi) = nmi.node {
if let MetaItemKind::Word(ref word) = mi.node {
return word == expected;
}
mi.is_word() && mi.name() == expected
} else {
false
}
false
}

2
clippy_lints/src/copies.rs
View file

@ -3,7 +3,7 @@ use rustc::ty;
use rustc::hir::*;
use std::collections::HashMap;
use std::collections::hash_map::Entry;
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use syntax::util::small_vector::SmallVector;
use utils::{SpanlessEq, SpanlessHash};
use utils::{get_parent_expr, in_macro, span_lint_and_then, span_note_and_lint, snippet};

18
clippy_lints/src/doc.rs
View file

@ -59,13 +59,13 @@ impl EarlyLintPass for Doc {
/// `syntax::parse::lexer::comments::strip_doc_comment_decoration` because we need to keep track of
/// the span but this function is inspired from the later.
#[allow(cast_possible_truncation)]
pub fn strip_doc_comment_decoration((comment, span): (&str, Span)) -> Vec<(&str, Span)> {
pub fn strip_doc_comment_decoration((comment, span): (String, Span)) -> Vec<(String, Span)> {
// one-line comments lose their prefix
const ONELINERS: &'static [&'static str] = &["///!", "///", "//!", "//"];
for prefix in ONELINERS {
if comment.starts_with(*prefix) {
return vec![(
&comment[prefix.len()..],
comment[prefix.len()..].to_owned(),
Span { lo: span.lo + BytePos(prefix.len() as u32), ..span }
)];
}
@ -77,7 +77,7 @@ pub fn strip_doc_comment_decoration((comment, span): (&str, Span)) -> Vec<(&str,
debug_assert_eq!(offset as u32 as usize, offset);
(
line,
line.to_owned(),
Span {
lo: span.lo + BytePos(offset as u32),
..span
@ -93,9 +93,10 @@ pub fn check_attrs<'a>(cx: &EarlyContext, valid_idents: &[String], attrs: &'a [a
let mut docs = vec![];
for attr in attrs {
if attr.node.is_sugared_doc {
if let ast::MetaItemKind::NameValue(_, ref doc) = attr.node.value.node {
if attr.is_sugared_doc {
if let ast::MetaItemKind::NameValue(ref doc) = attr.value.node {
if let ast::LitKind::Str(ref doc, _) = doc.node {
let doc = (*doc.as_str()).to_owned();
docs.extend_from_slice(&strip_doc_comment_decoration((doc, attr.span)));
}
}
@ -108,7 +109,7 @@ pub fn check_attrs<'a>(cx: &EarlyContext, valid_idents: &[String], attrs: &'a [a
}
#[allow(while_let_loop)] // #362
fn check_doc(cx: &EarlyContext, valid_idents: &[String], docs: &[(&str, Span)]) -> Result<(), ()> {
fn check_doc(cx: &EarlyContext, valid_idents: &[String], docs: &[(String, Span)]) -> Result<(), ()> {
// In markdown, `_` can be used to emphasize something, or, is a raw `_` depending on context.
// There really is no markdown specification that would disambiguate this properly. This is
// what GitHub and Rustdoc do:
@ -136,7 +137,7 @@ fn check_doc(cx: &EarlyContext, valid_idents: &[String], docs: &[(&str, Span)])
/// First byte of the current potential match
current_word_begin: usize,
/// List of lines and their associated span
docs: &'a [(&'a str, Span)],
docs: &'a [(String, Span)],
/// Index of the current line we are parsing
line: usize,
/// Whether we are in a link
@ -155,7 +156,8 @@ fn check_doc(cx: &EarlyContext, valid_idents: &[String], docs: &[(&str, Span)])
}
fn line(&self) -> (&'a str, Span) {
self.docs[self.line]
let (ref doc, span) = self.docs[self.line];
(doc, span)
}
fn peek(&self) -> Option<char> {

4
clippy_lints/src/entry.rs
View file

@ -82,7 +82,7 @@ fn check_cond<'a, 'tcx, 'b>(cx: &'a LateContext<'a, 'tcx>, check: &'b Expr) -> O
if_let_chain! {[
let ExprMethodCall(ref name, _, ref params) = check.node,
params.len() >= 2,
name.node.as_str() == "contains_key",
&*name.node.as_str() == "contains_key",
let ExprAddrOf(_, ref key) = params[1].node
], {
let map = &params[0];
@ -116,7 +116,7 @@ impl<'a, 'tcx, 'v, 'b> Visitor<'v> for InsertVisitor<'a, 'tcx, 'b> {
if_let_chain! {[
let ExprMethodCall(ref name, _, ref params) = expr.node,
params.len() == 3,
name.node.as_str() == "insert",
&*name.node.as_str() == "insert",
get_item_name(self.cx, self.map) == get_item_name(self.cx, &*params[0]),
SpanlessEq::new(self.cx).eq_expr(self.key, &params[1])
], {

2
clippy_lints/src/enum_variants.rs
View file

@ -3,7 +3,7 @@
use rustc::lint::*;
use syntax::ast::*;
use syntax::codemap::Span;
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use utils::{span_help_and_lint, span_lint};
use utils::{camel_case_from, camel_case_until, in_macro};

7
clippy_lints/src/format.rs
View file

@ -3,6 +3,7 @@ use rustc::hir::map::Node::NodeItem;
use rustc::lint::*;
use rustc::ty::TypeVariants;
use syntax::ast::LitKind;
use syntax::symbol::InternedString;
use utils::paths;
use utils::{is_expn_of, match_def_path, match_type, resolve_node, span_lint, walk_ptrs_ty};
@ -73,14 +74,14 @@ impl LateLintPass for Pass {
/// Returns the slice of format string parts in an `Arguments::new_v1` call.
/// Public because it's shared with a lint in print.rs.
pub fn get_argument_fmtstr_parts<'a, 'b>(cx: &LateContext<'a, 'b>, expr: &'a Expr)
-> Option<Vec<&'a str>> {
-> Option<Vec<InternedString>> {
if_let_chain! {[
let ExprBlock(ref block) = expr.node,
block.stmts.len() == 1,
let StmtDecl(ref decl, _) = block.stmts[0].node,
let DeclItem(ref decl) = decl.node,
let Some(NodeItem(decl)) = cx.tcx.map.find(decl.id),
decl.name.as_str() == "__STATIC_FMTSTR",
&*decl.name.as_str() == "__STATIC_FMTSTR",
let ItemStatic(_, _, ref expr) = decl.node,
let ExprAddrOf(_, ref expr) = expr.node, // &["…", "…", …]
let ExprArray(ref exprs) = expr.node,
@ -89,7 +90,7 @@ pub fn get_argument_fmtstr_parts<'a, 'b>(cx: &LateContext<'a, 'b>, expr: &'a Exp
for expr in exprs {
if let ExprLit(ref lit) = expr.node {
if let LitKind::Str(ref lit, _) = lit.node {
result.push(&**lit);
result.push(lit.as_str());
}
}
}

10
clippy_lints/src/len_zero.rs
View file

@ -90,7 +90,7 @@ impl LateLintPass for LenZero {
fn check_trait_items(cx: &LateContext, item: &Item, trait_items: &[TraitItem]) {
fn is_named_self(item: &TraitItem, name: &str) -> bool {
item.name.as_str() == name &&
&*item.name.as_str() == name &&
if let MethodTraitItem(ref sig, _) = item.node {
if sig.decl.has_self() {
sig.decl.inputs.len() == 1
@ -117,7 +117,7 @@ fn check_trait_items(cx: &LateContext, item: &Item, trait_items: &[TraitItem]) {
fn check_impl_items(cx: &LateContext, item: &Item, impl_items: &[ImplItemRef]) {
fn is_named_self(cx: &LateContext, item: &ImplItemRef, name: &str) -> bool {
item.name.as_str() == name &&
&*item.name.as_str() == name &&
if let AssociatedItemKind::Method { has_self } = item.kind {
has_self && {
let did = cx.tcx.map.local_def_id(item.id.node_id);
@ -157,7 +157,7 @@ fn check_impl_items(cx: &LateContext, item: &Item, impl_items: &[ImplItemRef]) {
fn check_cmp(cx: &LateContext, span: Span, left: &Expr, right: &Expr, op: &str) {
// check if we are in an is_empty() method
if let Some(name) = get_item_name(cx, left) {
if name.as_str() == "is_empty" {
if &*name.as_str() == "is_empty" {
return;
}
}
@ -172,7 +172,7 @@ fn check_cmp(cx: &LateContext, span: Span, left: &Expr, right: &Expr, op: &str)
fn check_len_zero(cx: &LateContext, span: Span, name: &Name, args: &[P<Expr>], lit: &Lit, op: &str) {
if let Spanned { node: LitKind::Int(0, _), .. } = *lit {
if name.as_str() == "len" && args.len() == 1 && has_is_empty(cx, &args[0]) {
if &*name.as_str() == "len" && args.len() == 1 && has_is_empty(cx, &args[0]) {
span_lint_and_then(cx, LEN_ZERO, span, "length comparison to zero", |db| {
db.span_suggestion(span,
"consider using `is_empty`",
@ -187,7 +187,7 @@ fn has_is_empty(cx: &LateContext, expr: &Expr) -> bool {
/// Get an `AssociatedItem` and return true if it matches `is_empty(self)`.
fn is_is_empty(cx: &LateContext, item: &ty::AssociatedItem) -> bool {
if let ty::AssociatedKind::Method = item.kind {
if item.name.as_str() == "is_empty" {
if &*item.name.as_str() == "is_empty" {
let ty = cx.tcx.item_type(item.def_id).fn_sig().skip_binder();
ty.inputs.len() == 1
} else {

4
clippy_lints/src/lifetimes.rs
View file

@ -196,7 +196,7 @@ fn allowed_lts_from(named_lts: &[LifetimeDef]) -> HashSet<RefLt> {
fn lts_from_bounds<'a, T: Iterator<Item = &'a Lifetime>>(mut vec: Vec<RefLt>, bounds_lts: T) -> Vec<RefLt> {
for lt in bounds_lts {
if lt.name.as_str() != "'static" {
if &*lt.name.as_str() != "'static" {
vec.push(RefLt::Named(lt.name));
}
}
@ -225,7 +225,7 @@ impl<'v, 't> RefVisitor<'v, 't> {
fn record(&mut self, lifetime: &Option<Lifetime>) {
if let Some(ref lt) = *lifetime {
if lt.name.as_str() == "'static" {
if &*lt.name.as_str() == "'static" {
self.lts.push(RefLt::Static);
} else {
self.lts.push(RefLt::Named(lt.name));

16
clippy_lints/src/loops.rs
View file

@ -370,9 +370,9 @@ impl LateLintPass for Pass {
&ExprMethodCall(method_name, _, ref method_args)) = (pat, &match_expr.node) {
let iter_expr = &method_args[0];
if let Some(lhs_constructor) = path.segments.last() {
if method_name.node.as_str() == "next" &&
if &*method_name.node.as_str() == "next" &&
match_trait_method(cx, match_expr, &paths::ITERATOR) &&
lhs_constructor.name.as_str() == "Some" &&
&*lhs_constructor.name.as_str() == "Some" &&
!is_refutable(cx, &pat_args[0]) &&
!is_iterator_used_after_while_let(cx, iter_expr) {
let iterator = snippet(cx, method_args[0].span, "_");
@ -395,7 +395,7 @@ impl LateLintPass for Pass {
fn check_stmt(&mut self, cx: &LateContext, stmt: &Stmt) {
if let StmtSemi(ref expr, _) = stmt.node {
if let ExprMethodCall(ref method, _, ref args) = expr.node {
if args.len() == 1 && method.node.as_str() == "collect" &&
if args.len() == 1 && &*method.node.as_str() == "collect" &&
match_trait_method(cx, expr, &paths::ITERATOR) {
span_lint(cx,
UNUSED_COLLECT,
@ -509,7 +509,7 @@ fn is_len_call(expr: &Expr, var: &Name) -> bool {
if_let_chain! {[
let ExprMethodCall(method, _, ref len_args) = expr.node,
len_args.len() == 1,
method.node.as_str() == "len",
&*method.node.as_str() == "len",
let ExprPath(_, ref path) = len_args[0].node,
path.segments.len() == 1,
&path.segments[0].name == var
@ -580,14 +580,14 @@ fn check_for_loop_arg(cx: &LateContext, pat: &Pat, arg: &Expr, expr: &Expr) {
if args.len() == 1 {
let method_name = method.node;
// check for looping over x.iter() or x.iter_mut(), could use &x or &mut x
if method_name.as_str() == "iter" || method_name.as_str() == "iter_mut" {
if &*method_name.as_str() == "iter" || &*method_name.as_str() == "iter_mut" {
if is_ref_iterable_type(cx, &args[0]) {
let object = snippet(cx, args[0].span, "_");
span_lint(cx,
EXPLICIT_ITER_LOOP,
expr.span,
&format!("it is more idiomatic to loop over `&{}{}` instead of `{}.{}()`",
if method_name.as_str() == "iter_mut" {
if &*method_name.as_str() == "iter_mut" {
"mut "
} else {
""
@ -596,7 +596,7 @@ fn check_for_loop_arg(cx: &LateContext, pat: &Pat, arg: &Expr, expr: &Expr) {
object,
method_name));
}
} else if method_name.as_str() == "into_iter" && match_trait_method(cx, arg, &paths::INTO_ITERATOR) {
} else if &*method_name.as_str() == "into_iter" && match_trait_method(cx, arg, &paths::INTO_ITERATOR) {
let object = snippet(cx, args[0].span, "_");
span_lint(cx,
EXPLICIT_INTO_ITER_LOOP,
@ -606,7 +606,7 @@ fn check_for_loop_arg(cx: &LateContext, pat: &Pat, arg: &Expr, expr: &Expr) {
object,
method_name));
} else if method_name.as_str() == "next" && match_trait_method(cx, arg, &paths::ITERATOR) {
} else if &*method_name.as_str() == "next" && match_trait_method(cx, arg, &paths::ITERATOR) {
span_lint(cx,
ITER_NEXT_LOOP,
expr.span,

4
clippy_lints/src/map_clone.rs
View file

@ -28,7 +28,7 @@ impl LateLintPass for Pass {
fn check_expr(&mut self, cx: &LateContext, expr: &Expr) {
// call to .map()
if let ExprMethodCall(name, _, ref args) = expr.node {
if name.node.as_str() == "map" && args.len() == 2 {
if &*name.node.as_str() == "map" && args.len() == 2 {
match args[1].node {
ExprClosure(_, ref decl, ref closure_expr, _) => {
let closure_expr = remove_blocks(closure_expr);
@ -51,7 +51,7 @@ impl LateLintPass for Pass {
}
// explicit clone() calls ( .map(|x| x.clone()) )
else if let ExprMethodCall(clone_call, _, ref clone_args) = closure_expr.node {
if clone_call.node.as_str() == "clone" &&
if &*clone_call.node.as_str() == "clone" &&
clone_args.len() == 1 &&
match_trait_method(cx, closure_expr, &paths::CLONE_TRAIT) &&
expr_eq_name(&clone_args[0], arg_ident)

12
clippy_lints/src/methods.rs
View file

@ -605,14 +605,14 @@ impl LateLintPass for Pass {
lint_or_fun_call(cx, expr, &name.node.as_str(), args);
let self_ty = cx.tcx.tables().expr_ty_adjusted(&args[0]);
if args.len() == 1 && name.node.as_str() == "clone" {
if args.len() == 1 && &*name.node.as_str() == "clone" {
lint_clone_on_copy(cx, expr, &args[0], self_ty);
}
match self_ty.sty {
ty::TyRef(_, ty) if ty.ty.sty == ty::TyStr => {
for &(method, pos) in &PATTERN_METHODS {
if name.node.as_str() == method && args.len() > pos {
if &*name.node.as_str() == method && args.len() > pos {
lint_single_char_pattern(cx, expr, &args[pos]);
}
}
@ -643,7 +643,7 @@ impl LateLintPass for Pass {
], {
// check missing trait implementations
for &(method_name, n_args, self_kind, out_type, trait_name) in &TRAIT_METHODS {
if name.as_str() == method_name &&
if &*name.as_str() == method_name &&
sig.decl.inputs.len() == n_args &&
out_type.matches(&sig.decl.output) &&
self_kind.matches(&explicit_self, false) {
@ -681,7 +681,7 @@ impl LateLintPass for Pass {
}
let ret_ty = return_ty(cx, implitem.id);
if &name.as_str() == &"new" &&
if &*name.as_str() == "new" &&
!ret_ty.walk().any(|t| same_tys(cx, t, ty, implitem.id)) {
span_lint(cx,
NEW_RET_NO_SELF,
@ -979,7 +979,7 @@ fn derefs_to_slice(cx: &LateContext, expr: &hir::Expr, ty: ty::Ty) -> Option<sug
}
if let hir::ExprMethodCall(name, _, ref args) = expr.node {
if &name.node.as_str() == &"iter" && may_slice(cx, cx.tcx.tables().expr_ty(&args[0])) {
if &*name.node.as_str() == "iter" && may_slice(cx, cx.tcx.tables().expr_ty(&args[0])) {
sugg::Sugg::hir_opt(cx, &*args[0]).map(|sugg| {
sugg.addr()
})
@ -1209,7 +1209,7 @@ fn lint_chars_next(cx: &LateContext, expr: &hir::Expr, chain: &hir::Expr, other:
let hir::ExprCall(ref fun, ref arg_char) = other.node,
arg_char.len() == 1,
let hir::ExprPath(None, ref path) = fun.node,
path.segments.len() == 1 && path.segments[0].name.as_str() == "Some"
path.segments.len() == 1 && &*path.segments[0].name.as_str() == "Some"
], {
let self_ty = walk_ptrs_ty(cx.tcx.tables().expr_ty_adjusted(&args[0][0]));

9
clippy_lints/src/misc.rs
View file

@ -235,7 +235,7 @@ impl LateLintPass for Pass {
return;
}
if let Some(name) = get_item_name(cx, expr) {
let name = name.as_str();
let name = &*name.as_str();
if name == "eq" || name == "ne" || name == "is_nan" || name.starts_with("eq_") ||
name.ends_with("_eq") {
return;
@ -271,7 +271,7 @@ impl LateLintPass for Pass {
.as_str();
if binding.starts_with('_') &&
!binding.starts_with("__") &&
binding != "_result" && // FIXME: #944
&*binding != "_result" && // FIXME: #944
is_used(cx, expr) &&
// don't lint if the declaration is in a macro
non_macro_local(cx, &cx.tcx.expect_def(expr.id)) {
@ -315,7 +315,7 @@ impl LateLintPass for Pass {
fn check_nan(cx: &LateContext, path: &Path, span: Span) {
path.segments.last().map(|seg| {
if seg.name.as_str() == "NAN" {
if &*seg.name.as_str() == "NAN" {
span_lint(cx,
CMP_NAN,
span,
@ -359,7 +359,8 @@ fn is_float(cx: &LateContext, expr: &Expr) -> bool {
fn check_to_owned(cx: &LateContext, expr: &Expr, other: &Expr, left: bool, op: Span) {
let (arg_ty, snip) = match expr.node {
ExprMethodCall(Spanned { node: ref name, .. }, _, ref args) if args.len() == 1 => {
if name.as_str() == "to_string" || name.as_str() == "to_owned" && is_str_arg(cx, args) {
let name = &*name.as_str();
if name == "to_string" || name == "to_owned" && is_str_arg(cx, args) {
(cx.tcx.tables().expr_ty(&args[0]), snippet(cx, args[0].span, ".."))
} else {
return;

2
clippy_lints/src/new_without_default.rs
View file

@ -100,7 +100,7 @@ impl LateLintPass for NewWithoutDefault {
// can't be implemented by default
return;
}
if decl.inputs.is_empty() && name.as_str() == "new" && cx.access_levels.is_reachable(id) {
if decl.inputs.is_empty() && &*name.as_str() == "new" && cx.access_levels.is_reachable(id) {
let self_ty = cx.tcx
.item_type(cx.tcx.map.local_def_id(cx.tcx.map.get_parent(id)));
if_let_chain!{[

2
clippy_lints/src/non_expressive_names.rs
View file

@ -1,6 +1,6 @@
use rustc::lint::*;
use syntax::codemap::Span;
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use syntax::ast::*;
use syntax::attr;
use syntax::visit::{Visitor, walk_block, walk_pat, walk_expr};

2
clippy_lints/src/open_options.rs
View file

@ -36,7 +36,7 @@ impl LateLintPass for NonSensical {
fn check_expr(&mut self, cx: &LateContext, e: &Expr) {
if let ExprMethodCall(ref name, _, ref arguments) = e.node {
let (obj_ty, _) = walk_ptrs_ty_depth(cx.tcx.tables().expr_ty(&arguments[0]));
if name.node.as_str() == "open" && match_type(cx, obj_ty, &paths::OPEN_OPTIONS) {
if &*name.node.as_str() == "open" && match_type(cx, obj_ty, &paths::OPEN_OPTIONS) {
let mut options = Vec::new();
get_open_options(cx, &arguments[0], &mut options);
check_open_options(cx, &options, e.span);

4
clippy_lints/src/panic.rs
View file

@ -45,8 +45,8 @@ impl LateLintPass for Pass {
let ExprLit(ref lit) = params[0].node,
is_direct_expn_of(cx, params[0].span, "panic").is_some(),
let LitKind::Str(ref string, _) = lit.node,
let Some(par) = string.find('{'),
string[par..].contains('}')
let Some(par) = string.as_str().find('{'),
string.as_str()[par..].contains('}')
], {
span_lint(cx, PANIC_PARAMS, params[0].span,
"you probably are missing some parameter in your format string");

10
clippy_lints/src/ranges.rs
View file

@ -49,27 +49,29 @@ impl LintPass for StepByZero {
impl LateLintPass for StepByZero {
fn check_expr(&mut self, cx: &LateContext, expr: &Expr) {
if let ExprMethodCall(Spanned { node: ref name, .. }, _, ref args) = expr.node {
let name = &*name.as_str();
// Range with step_by(0).
if name.as_str() == "step_by" && args.len() == 2 && has_step_by(cx, &args[0]) &&
if name == "step_by" && args.len() == 2 && has_step_by(cx, &args[0]) &&
is_integer_literal(&args[1], 0) {
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 {
} else if name == "zip" && args.len() == 2 {
let iter = &args[0].node;
let zip_arg = &args[1];
if_let_chain! {[
// .iter() call
let ExprMethodCall( Spanned { node: ref iter_name, .. }, _, ref iter_args ) = *iter,
iter_name.as_str() == "iter",
&*iter_name.as_str() == "iter",
// range expression in .zip() call: 0..x.len()
let Some(higher::Range { start: Some(ref start), end: Some(ref end), .. }) = higher::range(zip_arg),
is_integer_literal(start, 0),
// .len() call
let ExprMethodCall(Spanned { node: ref len_name, .. }, _, ref len_args) = end.node,
len_name.as_str() == "len" && len_args.len() == 1,
&*len_name.as_str() == "len" && len_args.len() == 1,
// .iter() and .len() called on same Path
let ExprPath(_, Path { segments: ref iter_path, .. }) = iter_args[0].node,
let ExprPath(_, Path { segments: ref len_path, .. }) = len_args[0].node,

3
clippy_lints/src/regex.rs
View file

@ -8,7 +8,7 @@ use std::collections::HashSet;
use std::error::Error;
use syntax::ast::{LitKind, NodeId};
use syntax::codemap::{Span, BytePos};
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use utils::{is_expn_of, match_def_path, match_type, paths, span_lint, span_help_and_lint};
/// **What it does:** Checks [regex] creation (with `Regex::new`,
@ -203,6 +203,7 @@ fn check_regex(cx: &LateContext, expr: &Expr, utf8: bool) {
if let ExprLit(ref lit) = expr.node {
if let LitKind::Str(ref r, _) = lit.node {
let r = &*r.as_str();
match builder.parse(r) {
Ok(r) => {
if let Some(repl) = is_trivial_regex(&r) {

4
clippy_lints/src/returns.rs
View file

@ -146,8 +146,8 @@ impl EarlyLintPass for ReturnPass {
}
fn attr_is_cfg(attr: &ast::Attribute) -> bool {
if let ast::MetaItemKind::List(ref key, _) = attr.node.value.node {
*key == "cfg"
if let ast::MetaItemKind::List(_) = attr.value.node {
attr.name() == "cfg"
} else {
false
}

4
clippy_lints/src/strings.rs
View file

@ -143,10 +143,10 @@ impl LateLintPass for StringLitAsBytes {
use utils::{snippet, in_macro};
if let ExprMethodCall(ref name, _, ref args) = e.node {
if name.node.as_str() == "as_bytes" {
if &*name.node.as_str() == "as_bytes" {
if let ExprLit(ref lit) = args[0].node {
if let LitKind::Str(ref lit_content, _) = lit.node {
if lit_content.chars().all(|c| c.is_ascii()) && !in_macro(cx, args[0].span) {
if lit_content.as_str().chars().all(|c| c.is_ascii()) && !in_macro(cx, args[0].span) {
span_lint_and_then(cx,
STRING_LIT_AS_BYTES,
e.span,

2
clippy_lints/src/unsafe_removed_from_name.rs
View file

@ -2,7 +2,7 @@ use rustc::hir::*;
use rustc::lint::*;
use syntax::ast::Name;
use syntax::codemap::Span;
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use utils::span_lint;
/// **What it does:** Checks for imports that remove "unsafe" from an item's

2
clippy_lints/src/unused_label.rs
View file

@ -4,7 +4,7 @@ use rustc::hir::intravisit::{FnKind, Visitor, walk_expr, walk_fn};
use std::collections::HashMap;
use syntax::ast;
use syntax::codemap::Span;
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use utils::{in_macro, span_lint};
/// **What it does:** Checks for unused labels.

20
clippy_lints/src/utils/conf.rs
View file

@ -10,22 +10,20 @@ use toml;
/// Get the configuration file from arguments.
pub fn file_from_args(args: &[codemap::Spanned<ast::NestedMetaItemKind>]) -> Result<Option<path::PathBuf>, (&'static str, codemap::Span)> {
for arg in args.iter().filter_map(|a| a.meta_item()) {
match arg.node {
ast::MetaItemKind::Word(ref name) |
ast::MetaItemKind::List(ref name, _) => {
if name == &"conf_file" {
return Err(("`conf_file` must be a named value", arg.span));
if arg.name() == "conf_file" {
return match arg.node {
ast::MetaItemKind::Word |
ast::MetaItemKind::List(_) => {
Err(("`conf_file` must be a named value", arg.span))
}
}
ast::MetaItemKind::NameValue(ref name, ref value) => {
if name == &"conf_file" {
return if let ast::LitKind::Str(ref file, _) = value.node {
ast::MetaItemKind::NameValue(ref value) => {
if let ast::LitKind::Str(ref file, _) = value.node {
Ok(Some(file.to_string().into()))
} else {
Err(("`conf_file` value must be a string", value.span))
};
}
}
}
};
}
}

2
clippy_lints/src/utils/higher.rs
View file

@ -61,7 +61,7 @@ pub fn range(expr: &hir::Expr) -> Option<Range> {
/// Find the field named `name` in the field. Always return `Some` for convenience.
fn get_field<'a>(name: &str, fields: &'a [hir::Field]) -> Option<&'a hir::Expr> {
let expr = &fields.iter()
.find(|field| field.name.node.as_str() == name)
.find(|field| field.name.node == name)
.unwrap_or_else(|| panic!("missing {} field for range", name))
.expr;

8
clippy_lints/src/utils/internal_lints.rs
View file

@ -2,7 +2,7 @@ use rustc::lint::*;
use rustc::hir::*;
use rustc::hir::intravisit::{Visitor, walk_expr};
use utils::{paths, match_path, span_lint};
use syntax::parse::token::InternedString;
use syntax::symbol::InternedString;
use syntax::ast::{Name, NodeId, ItemKind, Crate as AstCrate};
use syntax::codemap::Span;
use std::collections::{HashSet, HashMap};
@ -63,9 +63,9 @@ impl LintPass for Clippy {
impl EarlyLintPass for Clippy {
fn check_crate(&mut self, cx: &EarlyContext, krate: &AstCrate) {
if let Some(utils) = krate.module.items.iter().find(|item| item.ident.name.as_str() == "utils") {
if let Some(utils) = krate.module.items.iter().find(|item| item.ident.name == "utils") {
if let ItemKind::Mod(ref utils_mod) = utils.node {
if let Some(paths) = utils_mod.items.iter().find(|item| item.ident.name.as_str() == "paths") {
if let Some(paths) = utils_mod.items.iter().find(|item| item.ident.name == "paths") {
if let ItemKind::Mod(ref paths_mod) = paths.node {
let mut last_name: Option<InternedString> = None;
for item in &paths_mod.items {
@ -109,7 +109,7 @@ impl LateLintPass for LintWithoutLintPass {
if let ItemStatic(ref ty, MutImmutable, ref expr) = item.node {
if is_lint_ref_type(ty) {
self.declared_lints.insert(item.name, item.span);
} else if is_lint_array_type(ty) && item.vis == Visibility::Inherited && item.name.as_str() == "ARRAY" {
} else if is_lint_array_type(ty) && item.vis == Visibility::Inherited && item.name == "ARRAY" {
let mut collector = LintCollector { output: &mut self.registered_lints };
collector.visit_expr(expr);
}

29
clippy_lints/src/utils/mod.rs
View file

@ -129,10 +129,10 @@ pub fn in_external_macro<T: LintContext>(cx: &T, span: Span) -> bool {
///
/// See also the `paths` module.
pub fn match_def_path(cx: &LateContext, def_id: DefId, path: &[&str]) -> bool {
use syntax::parse::token;
use syntax::symbol;
struct AbsolutePathBuffer {
names: Vec<token::InternedString>,
names: Vec<symbol::InternedString>,
}
impl ty::item_path::ItemPathBuffer for AbsolutePathBuffer {
@ -142,7 +142,7 @@ pub fn match_def_path(cx: &LateContext, def_id: DefId, path: &[&str]) -> bool {
}
fn push(&mut self, text: &str) {
self.names.push(token::intern(text).as_str());
self.names.push(symbol::Symbol::intern(text).as_str());
}
}
@ -150,7 +150,8 @@ pub fn match_def_path(cx: &LateContext, def_id: DefId, path: &[&str]) -> bool {
cx.tcx.push_item_path(&mut apb, def_id);
apb.names == path
apb.names.len() == path.len() &&
apb.names.iter().zip(path.iter()).all(|(a, &b)| &**a == b)
}
/// Check if type is struct, enum or union type with given def path.
@ -202,7 +203,7 @@ pub fn match_trait_method(cx: &LateContext, expr: &Expr, path: &[&str]) -> bool
/// match_path(path, &["std", "rt", "begin_unwind"])
/// ```
pub fn match_path(path: &Path, segments: &[&str]) -> bool {
path.segments.iter().rev().zip(segments.iter().rev()).all(|(a, b)| a.name.as_str() == *b)
path.segments.iter().rev().zip(segments.iter().rev()).all(|(a, b)| a.name == *b)
}
/// Match a `Path` against a slice of segment string literals, e.g.
@ -212,7 +213,7 @@ pub fn match_path(path: &Path, segments: &[&str]) -> bool {
/// match_path(path, &["std", "rt", "begin_unwind"])
/// ```
pub fn match_path_ast(path: &ast::Path, segments: &[&str]) -> bool {
path.segments.iter().rev().zip(segments.iter().rev()).all(|(a, b)| a.identifier.name.as_str() == *b)
path.segments.iter().rev().zip(segments.iter().rev()).all(|(a, b)| a.identifier.name == *b)
}
/// Get the definition associated to a path.
@ -234,7 +235,7 @@ pub fn path_to_def(cx: &LateContext, path: &[&str]) -> Option<def::Def> {
};
for item in &mem::replace(&mut items, vec![]) {
if item.name.as_str() == *segment {
if item.name == *segment {
if path_it.peek().is_none() {
return Some(item.def);
}
@ -297,7 +298,7 @@ pub fn method_chain_args<'a>(expr: &'a Expr, methods: &[&str]) -> Option<Vec<&'a
for method_name in methods.iter().rev() {
// method chains are stored last -> first
if let ExprMethodCall(ref name, _, ref args) = current.node {
if name.node.as_str() == *method_name {
if name.node == *method_name {
matched.push(args); // build up `matched` backwards
current = &args[0] // go to parent expression
} else {
@ -580,13 +581,13 @@ impl LimitStack {
fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[ast::Attribute], name: &'static str, mut f: F) {
for attr in attrs {
if attr.node.is_sugared_doc {
if attr.is_sugared_doc {
continue;
}
if let ast::MetaItemKind::NameValue(ref key, ref value) = attr.node.value.node {
if *key == name {
if let ast::MetaItemKind::NameValue(ref value) = attr.value.node {
if attr.name() == name {
if let LitKind::Str(ref s, _) = value.node {
if let Ok(value) = FromStr::from_str(s) {
if let Ok(value) = FromStr::from_str(&*s.as_str()) {
attr::mark_used(attr);
f(value)
} else {
@ -610,7 +611,7 @@ pub fn is_expn_of(cx: &LateContext, mut span: Span, name: &str) -> Option<Span>
.with_expn_info(span.expn_id, |expn| expn.map(|ei| (ei.callee.name(), ei.call_site)));
match span_name_span {
Some((mac_name, new_span)) if mac_name.as_str() == name => return Some(new_span),
Some((mac_name, new_span)) if mac_name == name => return Some(new_span),
None => return None,
Some((_, new_span)) => span = new_span,
}
@ -631,7 +632,7 @@ pub fn is_direct_expn_of(cx: &LateContext, span: Span, name: &str) -> Option<Spa
.with_expn_info(span.expn_id, |expn| expn.map(|ei| (ei.callee.name(), ei.call_site)));
match span_name_span {
Some((mac_name, new_span)) if mac_name.as_str() == name => Some(new_span),
Some((mac_name, new_span)) if mac_name == name => Some(new_span),
_ => None,
}
}

4
tests/consts.rs
View file

@ -11,7 +11,7 @@ use rustc_const_math::ConstInt;
use rustc::hir::*;
use syntax::ast::{LitIntType, LitKind, NodeId, StrStyle};
use syntax::codemap::{Spanned, COMMAND_LINE_SP};
use syntax::parse::token::InternedString;
use syntax::symbol::Symbol;
use syntax::ptr::P;
use syntax::util::ThinVec;
@ -55,7 +55,7 @@ fn test_lit() {
check(FALSE, &lit(LitKind::Bool(false)));
check(ZERO, &lit(LitKind::Int(0, LitIntType::Unsuffixed)));
check(Constant::Str("cool!".into(), StrStyle::Cooked),
&lit(LitKind::Str(InternedString::new("cool!"), StrStyle::Cooked)));
&lit(LitKind::Str(Symbol::intern("cool!"), StrStyle::Cooked)));
}
#[test]