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Auto merge of #4417 - kraai:remove-in_macro_or_desugar, r=phansch

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Remove in_macro_or_desugar

`in_macro_or_desugar` is just a wrapper around `Span::from_expansion`, so remove the former and call the latter instead.

changelog: Remove `in_macro_or_desugar`.
This commit is contained in:
bors 2019-08-19 19:47:50 +00:00
commit 7810652310
46 changed files with 127 additions and 146 deletions
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6
clippy_lints/src/assertions_on_constants.rs
View file

@ -3,7 +3,7 @@ use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
use crate::consts::{constant, Constant}; use crate::consts::{constant, Constant};
use crate::utils::{in_macro_or_desugar, is_direct_expn_of, is_expn_of, span_help_and_lint}; use crate::utils::{is_direct_expn_of, is_expn_of, span_help_and_lint};
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for `assert!(true)` and `assert!(false)` calls. /// **What it does:** Checks for `assert!(true)` and `assert!(false)` calls.
@ -55,12 +55,12 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AssertionsOnConstants {
} }
}; };
if let Some(debug_assert_span) = is_expn_of(e.span, "debug_assert") { if let Some(debug_assert_span) = is_expn_of(e.span, "debug_assert") {
if in_macro_or_desugar(debug_assert_span) { if debug_assert_span.from_expansion() {
return; return;
} }
lint_assert_cb(true); lint_assert_cb(true);
} else if let Some(assert_span) = is_direct_expn_of(e.span, "assert") { } else if let Some(assert_span) = is_direct_expn_of(e.span, "assert") {
if in_macro_or_desugar(assert_span) { if assert_span.from_expansion() {
return; return;
} }
lint_assert_cb(false); lint_assert_cb(false);

6
clippy_lints/src/attrs.rs
View file

@ -2,8 +2,8 @@
use crate::reexport::*; use crate::reexport::*;
use crate::utils::{ use crate::utils::{
in_macro_or_desugar, is_present_in_source, last_line_of_span, match_def_path, paths, snippet_opt, span_lint, is_present_in_source, last_line_of_span, match_def_path, paths, snippet_opt, span_lint, span_lint_and_sugg,
span_lint_and_sugg, span_lint_and_then, without_block_comments, span_lint_and_then, without_block_comments,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::*; use rustc::hir::*;
@ -412,7 +412,7 @@ fn is_relevant_expr(cx: &LateContext<'_, '_>, tables: &ty::TypeckTables<'_>, exp
} }
fn check_attrs(cx: &LateContext<'_, '_>, span: Span, name: Name, attrs: &[Attribute]) { fn check_attrs(cx: &LateContext<'_, '_>, span: Span, name: Name, attrs: &[Attribute]) {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }

6
clippy_lints/src/block_in_if_condition.rs
View file

@ -54,7 +54,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ExVisitor<'a, 'tcx> {
if let ExprKind::Closure(_, _, eid, _, _) = expr.node { if let ExprKind::Closure(_, _, eid, _, _) = expr.node {
let body = self.cx.tcx.hir().body(eid); let body = self.cx.tcx.hir().body(eid);
let ex = &body.value; let ex = &body.value;
if matches!(ex.node, ExprKind::Block(_, _)) && !in_macro_or_desugar(body.value.span) { if matches!(ex.node, ExprKind::Block(_, _)) && !body.value.span.from_expansion() {
self.found_block = Some(ex); self.found_block = Some(ex);
return; return;
} }
@ -79,7 +79,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BlockInIfCondition {
if let Some(ex) = &block.expr { if let Some(ex) = &block.expr {
// don't dig into the expression here, just suggest that they remove // don't dig into the expression here, just suggest that they remove
// the block // the block
if in_macro_or_desugar(expr.span) || differing_macro_contexts(expr.span, ex.span) { if expr.span.from_expansion() || differing_macro_contexts(expr.span, ex.span) {
return; return;
} }
span_help_and_lint( span_help_and_lint(
@ -96,7 +96,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BlockInIfCondition {
} }
} else { } else {
let span = block.expr.as_ref().map_or_else(|| block.stmts[0].span, |e| e.span); let span = block.expr.as_ref().map_or_else(|| block.stmts[0].span, |e| e.span);
if in_macro_or_desugar(span) || differing_macro_contexts(expr.span, span) { if span.from_expansion() || differing_macro_contexts(expr.span, span) {
return; return;
} }
// move block higher // move block higher

5
clippy_lints/src/booleans.rs
View file

@ -1,6 +1,5 @@
use crate::utils::{ use crate::utils::{
get_trait_def_id, implements_trait, in_macro, in_macro_or_desugar, match_type, paths, snippet_opt, get_trait_def_id, implements_trait, in_macro, match_type, paths, snippet_opt, span_lint_and_then, SpanlessEq,
span_lint_and_then, SpanlessEq,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::intravisit::*; use rustc::hir::intravisit::*;
@ -106,7 +105,7 @@ impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> {
} }
// prevent folding of `cfg!` macros and the like // prevent folding of `cfg!` macros and the like
if !in_macro_or_desugar(e.span) { if !e.span.from_expansion() {
match &e.node { match &e.node {
ExprKind::Unary(UnNot, inner) => return Ok(Bool::Not(box self.run(inner)?)), ExprKind::Unary(UnNot, inner) => return Ok(Bool::Not(box self.run(inner)?)),
ExprKind::Binary(binop, lhs, rhs) => match &binop.node { ExprKind::Binary(binop, lhs, rhs) => match &binop.node {

4
clippy_lints/src/cognitive_complexity.rs
View file

@ -9,7 +9,7 @@ use rustc::{declare_tool_lint, impl_lint_pass};
use syntax::ast::Attribute; use syntax::ast::Attribute;
use syntax::source_map::Span; use syntax::source_map::Span;
use crate::utils::{in_macro_or_desugar, is_allowed, match_type, paths, span_help_and_lint, LimitStack}; use crate::utils::{is_allowed, match_type, paths, span_help_and_lint, LimitStack};
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for methods with high cognitive complexity. /// **What it does:** Checks for methods with high cognitive complexity.
@ -42,7 +42,7 @@ impl_lint_pass!(CognitiveComplexity => [COGNITIVE_COMPLEXITY]);
impl CognitiveComplexity { impl CognitiveComplexity {
fn check<'a, 'tcx>(&mut self, cx: &'a LateContext<'a, 'tcx>, body: &'tcx Body, span: Span) { fn check<'a, 'tcx>(&mut self, cx: &'a LateContext<'a, 'tcx>, body: &'tcx Body, span: Span) {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }

8
clippy_lints/src/collapsible_if.rs
View file

@ -18,9 +18,7 @@ use rustc::{declare_lint_pass, declare_tool_lint};
use syntax::ast; use syntax::ast;
use crate::utils::sugg::Sugg; use crate::utils::sugg::Sugg;
use crate::utils::{ use crate::utils::{snippet_block, snippet_block_with_applicability, span_lint_and_sugg, span_lint_and_then};
in_macro_or_desugar, snippet_block, snippet_block_with_applicability, span_lint_and_sugg, span_lint_and_then,
};
use rustc_errors::Applicability; use rustc_errors::Applicability;
declare_clippy_lint! { declare_clippy_lint! {
@ -77,7 +75,7 @@ declare_lint_pass!(CollapsibleIf => [COLLAPSIBLE_IF]);
impl EarlyLintPass for CollapsibleIf { impl EarlyLintPass for CollapsibleIf {
fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &ast::Expr) { fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &ast::Expr) {
if !in_macro_or_desugar(expr.span) { if !expr.span.from_expansion() {
check_if(cx, expr) check_if(cx, expr)
} }
} }
@ -108,7 +106,7 @@ fn check_collapsible_maybe_if_let(cx: &EarlyContext<'_>, else_: &ast::Expr) {
if let ast::ExprKind::Block(ref block, _) = else_.node; if let ast::ExprKind::Block(ref block, _) = else_.node;
if !block_starts_with_comment(cx, block); if !block_starts_with_comment(cx, block);
if let Some(else_) = expr_block(block); if let Some(else_) = expr_block(block);
if !in_macro_or_desugar(else_.span); if !else_.span.from_expansion();
if let ast::ExprKind::If(..) = else_.node; if let ast::ExprKind::If(..) = else_.node;
then { then {
let mut applicability = Applicability::MachineApplicable; let mut applicability = Applicability::MachineApplicable;

6
clippy_lints/src/copies.rs
View file

@ -1,6 +1,4 @@
use crate::utils::{ use crate::utils::{get_parent_expr, higher, same_tys, snippet, span_lint_and_then, span_note_and_lint};
get_parent_expr, higher, in_macro_or_desugar, same_tys, snippet, span_lint_and_then, span_note_and_lint,
};
use crate::utils::{SpanlessEq, SpanlessHash}; use crate::utils::{SpanlessEq, SpanlessHash};
use rustc::hir::*; use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -109,7 +107,7 @@ declare_lint_pass!(CopyAndPaste => [IFS_SAME_COND, IF_SAME_THEN_ELSE, MATCH_SAME
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for CopyAndPaste { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for CopyAndPaste {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if !in_macro_or_desugar(expr.span) { if !expr.span.from_expansion() {
// skip ifs directly in else, it will be checked in the parent if // skip ifs directly in else, it will be checked in the parent if
if let Some(expr) = get_parent_expr(cx, expr) { if let Some(expr) = get_parent_expr(cx, expr) {
if let Some((_, _, Some(ref else_expr))) = higher::if_block(&expr) { if let Some((_, _, Some(ref else_expr))) = higher::if_block(&expr) {

4
clippy_lints/src/double_parens.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{in_macro_or_desugar, span_lint}; use crate::utils::span_lint;
use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass}; use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
use syntax::ast::*; use syntax::ast::*;
@ -27,7 +27,7 @@ declare_lint_pass!(DoubleParens => [DOUBLE_PARENS]);
impl EarlyLintPass for DoubleParens { impl EarlyLintPass for DoubleParens {
fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }

4
clippy_lints/src/enum_variants.rs
View file

@ -1,6 +1,6 @@
//! lint on enum variants that are prefixed or suffixed by the same characters //! lint on enum variants that are prefixed or suffixed by the same characters
use crate::utils::{camel_case, in_macro_or_desugar, is_present_in_source}; use crate::utils::{camel_case, is_present_in_source};
use crate::utils::{span_help_and_lint, span_lint}; use crate::utils::{span_help_and_lint, span_lint};
use rustc::lint::{EarlyContext, EarlyLintPass, Lint, LintArray, LintPass}; use rustc::lint::{EarlyContext, EarlyLintPass, Lint, LintArray, LintPass};
use rustc::{declare_tool_lint, impl_lint_pass}; use rustc::{declare_tool_lint, impl_lint_pass};
@ -248,7 +248,7 @@ impl EarlyLintPass for EnumVariantNames {
let item_name = item.ident.as_str(); let item_name = item.ident.as_str();
let item_name_chars = item_name.chars().count(); let item_name_chars = item_name.chars().count();
let item_camel = to_camel_case(&item_name); let item_camel = to_camel_case(&item_name);
if !in_macro_or_desugar(item.span) && is_present_in_source(cx, item.span) { if !item.span.from_expansion() && is_present_in_source(cx, item.span) {
if let Some(&(ref mod_name, ref mod_camel)) = self.modules.last() { if let Some(&(ref mod_name, ref mod_camel)) = self.modules.last() {
// constants don't have surrounding modules // constants don't have surrounding modules
if !mod_camel.is_empty() { if !mod_camel.is_empty() {

6
clippy_lints/src/eq_op.rs
View file

@ -1,6 +1,4 @@
use crate::utils::{ use crate::utils::{implements_trait, is_copy, multispan_sugg, snippet, span_lint, span_lint_and_then, SpanlessEq};
implements_trait, in_macro_or_desugar, is_copy, multispan_sugg, snippet, span_lint, span_lint_and_then, SpanlessEq,
};
use rustc::hir::*; use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
@ -52,7 +50,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for EqOp {
#[allow(clippy::similar_names, clippy::too_many_lines)] #[allow(clippy::similar_names, clippy::too_many_lines)]
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if let ExprKind::Binary(op, ref left, ref right) = e.node { if let ExprKind::Binary(op, ref left, ref right) = e.node {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }
if is_valid_operator(op) && SpanlessEq::new(cx).ignore_fn().eq_expr(left, right) { if is_valid_operator(op) && SpanlessEq::new(cx).ignore_fn().eq_expr(left, right) {

4
clippy_lints/src/erasing_op.rs
View file

@ -4,7 +4,7 @@ use rustc::{declare_lint_pass, declare_tool_lint};
use syntax::source_map::Span; use syntax::source_map::Span;
use crate::consts::{constant_simple, Constant}; use crate::consts::{constant_simple, Constant};
use crate::utils::{in_macro_or_desugar, span_lint}; use crate::utils::span_lint;
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for erasing operations, e.g., `x * 0`. /// **What it does:** Checks for erasing operations, e.g., `x * 0`.
@ -31,7 +31,7 @@ declare_lint_pass!(ErasingOp => [ERASING_OP]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ErasingOp { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ErasingOp {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }
if let ExprKind::Binary(ref cmp, ref left, ref right) = e.node { if let ExprKind::Binary(ref cmp, ref left, ref right) = e.node {

5
clippy_lints/src/format.rs
View file

@ -1,7 +1,6 @@
use crate::utils::paths; use crate::utils::paths;
use crate::utils::{ use crate::utils::{
in_macro_or_desugar, is_expn_of, last_path_segment, match_def_path, match_type, resolve_node, snippet, is_expn_of, last_path_segment, match_def_path, match_type, resolve_node, snippet, span_lint_and_then, walk_ptrs_ty,
span_lint_and_then, walk_ptrs_ty,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::*; use rustc::hir::*;
@ -40,7 +39,7 @@ declare_lint_pass!(UselessFormat => [USELESS_FORMAT]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UselessFormat { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UselessFormat {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if let Some(span) = is_expn_of(expr.span, "format") { if let Some(span) = is_expn_of(expr.span, "format") {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }
match expr.node { match expr.node {

8
clippy_lints/src/formatting.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{differing_macro_contexts, in_macro_or_desugar, snippet_opt, span_note_and_lint}; use crate::utils::{differing_macro_contexts, snippet_opt, span_note_and_lint};
use if_chain::if_chain; use if_chain::if_chain;
use rustc::lint::{in_external_macro, EarlyContext, EarlyLintPass, LintArray, LintPass}; use rustc::lint::{in_external_macro, EarlyContext, EarlyLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
@ -107,7 +107,7 @@ impl EarlyLintPass for Formatting {
/// Implementation of the `SUSPICIOUS_ASSIGNMENT_FORMATTING` lint. /// Implementation of the `SUSPICIOUS_ASSIGNMENT_FORMATTING` lint.
fn check_assign(cx: &EarlyContext<'_>, expr: &Expr) { fn check_assign(cx: &EarlyContext<'_>, expr: &Expr) {
if let ExprKind::Assign(ref lhs, ref rhs) = expr.node { if let ExprKind::Assign(ref lhs, ref rhs) = expr.node {
if !differing_macro_contexts(lhs.span, rhs.span) && !in_macro_or_desugar(lhs.span) { if !differing_macro_contexts(lhs.span, rhs.span) && !lhs.span.from_expansion() {
let eq_span = lhs.span.between(rhs.span); let eq_span = lhs.span.between(rhs.span);
if let ExprKind::Unary(op, ref sub_rhs) = rhs.node { if let ExprKind::Unary(op, ref sub_rhs) = rhs.node {
if let Some(eq_snippet) = snippet_opt(cx, eq_span) { if let Some(eq_snippet) = snippet_opt(cx, eq_span) {
@ -139,7 +139,7 @@ fn check_else(cx: &EarlyContext<'_>, expr: &Expr) {
if let ExprKind::If(_, then, Some(else_)) = &expr.node; if let ExprKind::If(_, then, Some(else_)) = &expr.node;
if is_block(else_) || is_if(else_); if is_block(else_) || is_if(else_);
if !differing_macro_contexts(then.span, else_.span); if !differing_macro_contexts(then.span, else_.span);
if !in_macro_or_desugar(then.span) && !in_external_macro(cx.sess, expr.span); if !then.span.from_expansion() && !in_external_macro(cx.sess, expr.span);
// workaround for rust-lang/rust#43081 // workaround for rust-lang/rust#43081
if expr.span.lo().0 != 0 && expr.span.hi().0 != 0; if expr.span.lo().0 != 0 && expr.span.hi().0 != 0;
@ -205,7 +205,7 @@ fn check_array(cx: &EarlyContext<'_>, expr: &Expr) {
fn check_missing_else(cx: &EarlyContext<'_>, first: &Expr, second: &Expr) { fn check_missing_else(cx: &EarlyContext<'_>, first: &Expr, second: &Expr) {
if !differing_macro_contexts(first.span, second.span) if !differing_macro_contexts(first.span, second.span)
&& !in_macro_or_desugar(first.span) && !first.span.from_expansion()
&& is_if(first) && is_if(first)
&& (is_block(second) || is_if(second)) && (is_block(second) || is_if(second))
{ {

5
clippy_lints/src/identity_conversion.rs
View file

@ -1,6 +1,5 @@
use crate::utils::{ use crate::utils::{
in_macro_or_desugar, match_def_path, match_trait_method, same_tys, snippet, snippet_with_macro_callsite, match_def_path, match_trait_method, same_tys, snippet, snippet_with_macro_callsite, span_lint_and_then,
span_lint_and_then,
}; };
use crate::utils::{paths, resolve_node}; use crate::utils::{paths, resolve_node};
use rustc::hir::*; use rustc::hir::*;
@ -34,7 +33,7 @@ impl_lint_pass!(IdentityConversion => [IDENTITY_CONVERSION]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for IdentityConversion { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for IdentityConversion {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }

4
clippy_lints/src/identity_op.rs
View file

@ -5,7 +5,7 @@ use rustc::{declare_lint_pass, declare_tool_lint};
use syntax::source_map::Span; use syntax::source_map::Span;
use crate::consts::{constant_simple, Constant}; use crate::consts::{constant_simple, Constant};
use crate::utils::{clip, in_macro_or_desugar, snippet, span_lint, unsext}; use crate::utils::{clip, snippet, span_lint, unsext};
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for identity operations, e.g., `x + 0`. /// **What it does:** Checks for identity operations, e.g., `x + 0`.
@ -29,7 +29,7 @@ declare_lint_pass!(IdentityOp => [IDENTITY_OP]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for IdentityOp { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for IdentityOp {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }
if let ExprKind::Binary(ref cmp, ref left, ref right) = e.node { if let ExprKind::Binary(ref cmp, ref left, ref right) = e.node {

4
clippy_lints/src/implicit_return.rs
View file

@ -1,5 +1,5 @@
use crate::utils::{ use crate::utils::{
in_macro_or_desugar, match_def_path, match_def_path,
paths::{BEGIN_PANIC, BEGIN_PANIC_FMT}, paths::{BEGIN_PANIC, BEGIN_PANIC_FMT},
resolve_node, snippet_opt, span_lint_and_then, resolve_node, snippet_opt, span_lint_and_then,
}; };
@ -138,7 +138,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ImplicitReturn {
// checking return type through MIR, HIR is not able to determine inferred closure return types // checking return type through MIR, HIR is not able to determine inferred closure return types
// make sure it's not a macro // make sure it's not a macro
if !mir.return_ty().is_unit() && !in_macro_or_desugar(span) { if !mir.return_ty().is_unit() && !span.from_expansion() {
expr_match(cx, &body.value); expr_match(cx, &body.value);
} }
} }

6
clippy_lints/src/inherent_to_string.rs
View file

@ -4,8 +4,8 @@ use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
use crate::utils::{ use crate::utils::{
get_trait_def_id, implements_trait, in_macro_or_desugar, match_type, paths, return_ty, span_help_and_lint, get_trait_def_id, implements_trait, match_type, paths, return_ty, span_help_and_lint, trait_ref_of_method,
trait_ref_of_method, walk_ptrs_ty, walk_ptrs_ty,
}; };
declare_clippy_lint! { declare_clippy_lint! {
@ -94,7 +94,7 @@ declare_lint_pass!(InherentToString => [INHERENT_TO_STRING, INHERENT_TO_STRING_S
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for InherentToString { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for InherentToString {
fn check_impl_item(&mut self, cx: &LateContext<'a, 'tcx>, impl_item: &'tcx ImplItem) { fn check_impl_item(&mut self, cx: &LateContext<'a, 'tcx>, impl_item: &'tcx ImplItem) {
if in_macro_or_desugar(impl_item.span) { if impl_item.span.from_expansion() {
return; return;
} }

6
clippy_lints/src/items_after_statements.rs
View file

@ -1,6 +1,6 @@
//! lint when items are used after statements //! lint when items are used after statements
use crate::utils::{in_macro_or_desugar, span_lint}; use crate::utils::span_lint;
use matches::matches; use matches::matches;
use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass}; use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
@ -38,7 +38,7 @@ declare_lint_pass!(ItemsAfterStatements => [ITEMS_AFTER_STATEMENTS]);
impl EarlyLintPass for ItemsAfterStatements { impl EarlyLintPass for ItemsAfterStatements {
fn check_block(&mut self, cx: &EarlyContext<'_>, item: &Block) { fn check_block(&mut self, cx: &EarlyContext<'_>, item: &Block) {
if in_macro_or_desugar(item.span) { if item.span.from_expansion() {
return; return;
} }
@ -52,7 +52,7 @@ impl EarlyLintPass for ItemsAfterStatements {
// lint on all further items // lint on all further items
for stmt in stmts { for stmt in stmts {
if let StmtKind::Item(ref it) = *stmt { if let StmtKind::Item(ref it) = *stmt {
if in_macro_or_desugar(it.span) { if it.span.from_expansion() {
return; return;
} }
if let ItemKind::MacroDef(..) = it.node { if let ItemKind::MacroDef(..) = it.node {

8
clippy_lints/src/len_zero.rs
View file

@ -1,6 +1,4 @@
use crate::utils::{ use crate::utils::{get_item_name, snippet_with_applicability, span_lint, span_lint_and_sugg, walk_ptrs_ty};
get_item_name, in_macro_or_desugar, snippet_with_applicability, span_lint, span_lint_and_sugg, walk_ptrs_ty,
};
use rustc::hir::def_id::DefId; use rustc::hir::def_id::DefId;
use rustc::hir::*; use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -75,7 +73,7 @@ declare_lint_pass!(LenZero => [LEN_ZERO, LEN_WITHOUT_IS_EMPTY]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LenZero { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LenZero {
fn check_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx Item) { fn check_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx Item) {
if in_macro_or_desugar(item.span) { if item.span.from_expansion() {
return; return;
} }
@ -87,7 +85,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LenZero {
} }
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }

6
clippy_lints/src/loops.rs
View file

@ -11,7 +11,7 @@ use rustc::{declare_lint_pass, declare_tool_lint};
// use rustc::middle::region::CodeExtent; // use rustc::middle::region::CodeExtent;
use crate::consts::{constant, Constant}; use crate::consts::{constant, Constant};
use crate::utils::usage::mutated_variables; use crate::utils::usage::mutated_variables;
use crate::utils::{in_macro_or_desugar, sext, sugg}; use crate::utils::{sext, sugg};
use rustc::middle::expr_use_visitor::*; use rustc::middle::expr_use_visitor::*;
use rustc::middle::mem_categorization::cmt_; use rustc::middle::mem_categorization::cmt_;
use rustc::middle::mem_categorization::Categorization; use rustc::middle::mem_categorization::Categorization;
@ -470,7 +470,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Loops {
#[allow(clippy::too_many_lines)] #[allow(clippy::too_many_lines)]
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
// we don't want to check expanded macros // we don't want to check expanded macros
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }
@ -1034,7 +1034,7 @@ fn check_for_loop_range<'a, 'tcx>(
body: &'tcx Expr, body: &'tcx Expr,
expr: &'tcx Expr, expr: &'tcx Expr,
) { ) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }

5
clippy_lints/src/map_clone.rs
View file

@ -1,7 +1,6 @@
use crate::utils::paths; use crate::utils::paths;
use crate::utils::{ use crate::utils::{
in_macro_or_desugar, is_copy, match_trait_method, match_type, remove_blocks, snippet_with_applicability, is_copy, match_trait_method, match_type, remove_blocks, snippet_with_applicability, span_lint_and_sugg,
span_lint_and_sugg,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir; use rustc::hir;
@ -44,7 +43,7 @@ declare_lint_pass!(MapClone => [MAP_CLONE]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MapClone { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MapClone {
fn check_expr(&mut self, cx: &LateContext<'_, '_>, e: &hir::Expr) { fn check_expr(&mut self, cx: &LateContext<'_, '_>, e: &hir::Expr) {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }

4
clippy_lints/src/map_unit_fn.rs
View file

@ -1,5 +1,5 @@
use crate::utils::paths; use crate::utils::paths;
use crate::utils::{in_macro_or_desugar, iter_input_pats, match_type, method_chain_args, snippet, span_lint_and_then}; use crate::utils::{iter_input_pats, match_type, method_chain_args, snippet, span_lint_and_then};
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir; use rustc::hir;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -257,7 +257,7 @@ fn lint_map_unit_fn(cx: &LateContext<'_, '_>, stmt: &hir::Stmt, expr: &hir::Expr
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MapUnit { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MapUnit {
fn check_stmt(&mut self, cx: &LateContext<'_, '_>, stmt: &hir::Stmt) { fn check_stmt(&mut self, cx: &LateContext<'_, '_>, stmt: &hir::Stmt) {
if in_macro_or_desugar(stmt.span) { if stmt.span.from_expansion() {
return; return;
} }

6
clippy_lints/src/matches.rs
View file

@ -2,8 +2,8 @@ use crate::consts::{constant, Constant};
use crate::utils::paths; use crate::utils::paths;
use crate::utils::sugg::Sugg; use crate::utils::sugg::Sugg;
use crate::utils::{ use crate::utils::{
expr_block, in_macro_or_desugar, is_allowed, is_expn_of, match_qpath, match_type, multispan_sugg, remove_blocks, expr_block, is_allowed, is_expn_of, match_qpath, match_type, multispan_sugg, remove_blocks, snippet,
snippet, snippet_with_applicability, span_lint_and_sugg, span_lint_and_then, span_note_and_lint, walk_ptrs_ty, snippet_with_applicability, span_lint_and_sugg, span_lint_and_then, span_note_and_lint, walk_ptrs_ty,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::def::CtorKind; use rustc::hir::def::CtorKind;
@ -597,7 +597,7 @@ fn check_match_ref_pats(cx: &LateContext<'_, '_>, ex: &Expr, arms: &[Arm], expr:
})); }));
span_lint_and_then(cx, MATCH_REF_PATS, expr.span, title, |db| { span_lint_and_then(cx, MATCH_REF_PATS, expr.span, title, |db| {
if !in_macro_or_desugar(expr.span) { if !expr.span.from_expansion() {
multispan_sugg(db, msg.to_owned(), suggs); multispan_sugg(db, msg.to_owned(), suggs);
} }
}); });

12
clippy_lints/src/methods/mod.rs
View file

@ -21,11 +21,11 @@ use syntax::symbol::LocalInternedString;
use crate::utils::sugg; use crate::utils::sugg;
use crate::utils::usage::mutated_variables; use crate::utils::usage::mutated_variables;
use crate::utils::{ use crate::utils::{
get_arg_name, get_parent_expr, get_trait_def_id, has_iter_method, implements_trait, in_macro, in_macro_or_desugar, get_arg_name, get_parent_expr, get_trait_def_id, has_iter_method, implements_trait, in_macro, is_copy,
is_copy, is_ctor_function, is_expn_of, iter_input_pats, last_path_segment, match_def_path, match_qpath, is_ctor_function, is_expn_of, iter_input_pats, last_path_segment, match_def_path, match_qpath, match_trait_method,
match_trait_method, match_type, match_var, method_calls, method_chain_args, remove_blocks, return_ty, same_tys, match_type, match_var, method_calls, method_chain_args, remove_blocks, return_ty, same_tys, single_segment_path,
single_segment_path, snippet, snippet_with_applicability, snippet_with_macro_callsite, span_lint, snippet, snippet_with_applicability, snippet_with_macro_callsite, span_lint, span_lint_and_sugg,
span_lint_and_sugg, span_lint_and_then, span_note_and_lint, walk_ptrs_ty, walk_ptrs_ty_depth, SpanlessEq, span_lint_and_then, span_note_and_lint, walk_ptrs_ty, walk_ptrs_ty_depth, SpanlessEq,
}; };
use crate::utils::{paths, span_help_and_lint}; use crate::utils::{paths, span_help_and_lint};
@ -2150,7 +2150,7 @@ fn lint_option_and_then_some(cx: &LateContext<'_, '_>, expr: &hir::Expr, args: &
return; return;
} }
let some_inner_snip = if in_macro_or_desugar(inner_expr.span) { let some_inner_snip = if inner_expr.span.from_expansion() {
snippet_with_macro_callsite(cx, inner_expr.span, "_") snippet_with_macro_callsite(cx, inner_expr.span, "_")
} else { } else {
snippet(cx, inner_expr.span, "_") snippet(cx, inner_expr.span, "_")

6
clippy_lints/src/misc.rs
View file

@ -12,8 +12,8 @@ use syntax::source_map::{ExpnKind, Span};
use crate::consts::{constant, Constant}; use crate::consts::{constant, Constant};
use crate::utils::sugg::Sugg; use crate::utils::sugg::Sugg;
use crate::utils::{ use crate::utils::{
get_item_name, get_parent_expr, implements_trait, in_constant, in_macro_or_desugar, is_integer_literal, get_item_name, get_parent_expr, implements_trait, in_constant, is_integer_literal, iter_input_pats,
iter_input_pats, last_path_segment, match_qpath, match_trait_method, paths, snippet, span_lint, span_lint_and_then, last_path_segment, match_qpath, match_trait_method, paths, snippet, span_lint, span_lint_and_then,
span_lint_hir_and_then, walk_ptrs_ty, SpanlessEq, span_lint_hir_and_then, walk_ptrs_ty, SpanlessEq,
}; };
@ -641,7 +641,7 @@ fn in_attributes_expansion(expr: &Expr) -> bool {
/// Tests whether `res` is a variable defined outside a macro. /// Tests whether `res` is a variable defined outside a macro.
fn non_macro_local(cx: &LateContext<'_, '_>, res: def::Res) -> bool { fn non_macro_local(cx: &LateContext<'_, '_>, res: def::Res) -> bool {
if let def::Res::Local(id) = res { if let def::Res::Local(id) = res {
!in_macro_or_desugar(cx.tcx.hir().span(id)) !cx.tcx.hir().span(id).from_expansion()
} else { } else {
false false
} }

4
clippy_lints/src/missing_doc.rs
View file

@ -5,7 +5,7 @@
// [`missing_doc`]: https://github.com/rust-lang/rust/blob/d6d05904697d89099b55da3331155392f1db9c00/src/librustc_lint/builtin.rs#L246 // [`missing_doc`]: https://github.com/rust-lang/rust/blob/d6d05904697d89099b55da3331155392f1db9c00/src/librustc_lint/builtin.rs#L246
// //
use crate::utils::{in_macro_or_desugar, span_lint}; use crate::utils::span_lint;
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir; use rustc::hir;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintContext, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintContext, LintPass};
@ -85,7 +85,7 @@ impl MissingDoc {
return; return;
} }
if in_macro_or_desugar(sp) { if sp.from_expansion() {
return; return;
} }

4
clippy_lints/src/needless_bool.rs
View file

@ -3,7 +3,7 @@
//! This lint is **warn** by default //! This lint is **warn** by default
use crate::utils::sugg::Sugg; use crate::utils::sugg::Sugg;
use crate::utils::{higher, in_macro_or_desugar, span_lint, span_lint_and_sugg}; use crate::utils::{higher, span_lint, span_lint_and_sugg};
use rustc::hir::*; use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
@ -129,7 +129,7 @@ declare_lint_pass!(BoolComparison => [BOOL_COMPARISON]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BoolComparison { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for BoolComparison {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }

6
clippy_lints/src/needless_borrow.rs
View file

@ -2,7 +2,7 @@
//! //!
//! This lint is **warn** by default //! This lint is **warn** by default
use crate::utils::{in_macro_or_desugar, snippet_opt, span_lint_and_then}; use crate::utils::{snippet_opt, span_lint_and_then};
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::{BindingAnnotation, Expr, ExprKind, HirId, Item, MutImmutable, Pat, PatKind}; use rustc::hir::{BindingAnnotation, Expr, ExprKind, HirId, Item, MutImmutable, Pat, PatKind};
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -38,7 +38,7 @@ impl_lint_pass!(NeedlessBorrow => [NEEDLESS_BORROW]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessBorrow { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessBorrow {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
if in_macro_or_desugar(e.span) || self.derived_item.is_some() { if e.span.from_expansion() || self.derived_item.is_some() {
return; return;
} }
if let ExprKind::AddrOf(MutImmutable, ref inner) = e.node { if let ExprKind::AddrOf(MutImmutable, ref inner) = e.node {
@ -76,7 +76,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessBorrow {
} }
} }
fn check_pat(&mut self, cx: &LateContext<'a, 'tcx>, pat: &'tcx Pat) { fn check_pat(&mut self, cx: &LateContext<'a, 'tcx>, pat: &'tcx Pat) {
if in_macro_or_desugar(pat.span) || self.derived_item.is_some() { if pat.span.from_expansion() || self.derived_item.is_some() {
return; return;
} }
if_chain! { if_chain! {

4
clippy_lints/src/needless_borrowed_ref.rs
View file

@ -2,7 +2,7 @@
//! //!
//! This lint is **warn** by default //! This lint is **warn** by default
use crate::utils::{in_macro_or_desugar, snippet, span_lint_and_then}; use crate::utils::{snippet, span_lint_and_then};
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::{BindingAnnotation, MutImmutable, Pat, PatKind}; use rustc::hir::{BindingAnnotation, MutImmutable, Pat, PatKind};
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -54,7 +54,7 @@ declare_lint_pass!(NeedlessBorrowedRef => [NEEDLESS_BORROWED_REFERENCE]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessBorrowedRef { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessBorrowedRef {
fn check_pat(&mut self, cx: &LateContext<'a, 'tcx>, pat: &'tcx Pat) { fn check_pat(&mut self, cx: &LateContext<'a, 'tcx>, pat: &'tcx Pat) {
if in_macro_or_desugar(pat.span) { if pat.span.from_expansion() {
// OK, simple enough, lints doesn't check in macro. // OK, simple enough, lints doesn't check in macro.
return; return;
} }

4
clippy_lints/src/needless_continue.rs
View file

@ -39,7 +39,7 @@ use std::borrow::Cow;
use syntax::ast; use syntax::ast;
use syntax::source_map::{original_sp, DUMMY_SP}; use syntax::source_map::{original_sp, DUMMY_SP};
use crate::utils::{in_macro_or_desugar, snippet, snippet_block, span_help_and_lint, trim_multiline}; use crate::utils::{snippet, snippet_block, span_help_and_lint, trim_multiline};
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** The lint checks for `if`-statements appearing in loops /// **What it does:** The lint checks for `if`-statements appearing in loops
@ -120,7 +120,7 @@ declare_lint_pass!(NeedlessContinue => [NEEDLESS_CONTINUE]);
impl EarlyLintPass for NeedlessContinue { impl EarlyLintPass for NeedlessContinue {
fn check_expr(&mut self, ctx: &EarlyContext<'_>, expr: &ast::Expr) { fn check_expr(&mut self, ctx: &EarlyContext<'_>, expr: &ast::Expr) {
if !in_macro_or_desugar(expr.span) { if !expr.span.from_expansion() {
check_and_warn(ctx, expr); check_and_warn(ctx, expr);
} }
} }

6
clippy_lints/src/needless_pass_by_value.rs
View file

@ -1,7 +1,7 @@
use crate::utils::ptr::get_spans; use crate::utils::ptr::get_spans;
use crate::utils::{ use crate::utils::{
get_trait_def_id, implements_trait, in_macro_or_desugar, is_copy, is_self, match_type, multispan_sugg, paths, get_trait_def_id, implements_trait, is_copy, is_self, match_type, multispan_sugg, paths, snippet, snippet_opt,
snippet, snippet_opt, span_lint_and_then, span_lint_and_then,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use matches::matches; use matches::matches;
@ -76,7 +76,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
span: Span, span: Span,
hir_id: HirId, hir_id: HirId,
) { ) {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }

8
clippy_lints/src/no_effect.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{has_drop, in_macro_or_desugar, snippet_opt, span_lint, span_lint_and_sugg}; use crate::utils::{has_drop, snippet_opt, span_lint, span_lint_and_sugg};
use rustc::hir::def::{DefKind, Res}; use rustc::hir::def::{DefKind, Res};
use rustc::hir::{BinOpKind, BlockCheckMode, Expr, ExprKind, Stmt, StmtKind, UnsafeSource}; use rustc::hir::{BinOpKind, BlockCheckMode, Expr, ExprKind, Stmt, StmtKind, UnsafeSource};
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -43,7 +43,7 @@ declare_clippy_lint! {
} }
fn has_no_effect(cx: &LateContext<'_, '_>, expr: &Expr) -> bool { fn has_no_effect(cx: &LateContext<'_, '_>, expr: &Expr) -> bool {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return false; return false;
} }
match expr.node { match expr.node {
@ -103,7 +103,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NoEffect {
} else if let Some(reduced) = reduce_expression(cx, expr) { } else if let Some(reduced) = reduce_expression(cx, expr) {
let mut snippet = String::new(); let mut snippet = String::new();
for e in reduced { for e in reduced {
if in_macro_or_desugar(e.span) { if e.span.from_expansion() {
return; return;
} }
if let Some(snip) = snippet_opt(cx, e.span) { if let Some(snip) = snippet_opt(cx, e.span) {
@ -128,7 +128,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NoEffect {
} }
fn reduce_expression<'a>(cx: &LateContext<'_, '_>, expr: &'a Expr) -> Option<Vec<&'a Expr>> { fn reduce_expression<'a>(cx: &LateContext<'_, '_>, expr: &'a Expr) -> Option<Vec<&'a Expr>> {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return None; return None;
} }
match expr.node { match expr.node {

4
clippy_lints/src/non_copy_const.rs
View file

@ -14,7 +14,7 @@ use rustc_errors::Applicability;
use rustc_typeck::hir_ty_to_ty; use rustc_typeck::hir_ty_to_ty;
use syntax_pos::{InnerSpan, Span, DUMMY_SP}; use syntax_pos::{InnerSpan, Span, DUMMY_SP};
use crate::utils::{in_constant, in_macro_or_desugar, is_copy, span_lint_and_then}; use crate::utils::{in_constant, is_copy, span_lint_and_then};
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for declaration of `const` items which is interior /// **What it does:** Checks for declaration of `const` items which is interior
@ -119,7 +119,7 @@ fn verify_ty_bound<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>, source: S
let (lint, msg, span) = source.lint(); let (lint, msg, span) = source.lint();
span_lint_and_then(cx, lint, span, msg, |db| { span_lint_and_then(cx, lint, span, msg, |db| {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; // Don't give suggestions into macros. return; // Don't give suggestions into macros.
} }
match source { match source {

4
clippy_lints/src/precedence.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{in_macro_or_desugar, snippet_with_applicability, span_lint_and_sugg}; use crate::utils::{snippet_with_applicability, span_lint_and_sugg};
use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass}; use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
use rustc_errors::Applicability; use rustc_errors::Applicability;
@ -32,7 +32,7 @@ declare_lint_pass!(Precedence => [PRECEDENCE]);
impl EarlyLintPass for Precedence { impl EarlyLintPass for Precedence {
fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) { fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &Expr) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }

6
clippy_lints/src/redundant_clone.rs
View file

@ -1,6 +1,6 @@
use crate::utils::{ use crate::utils::{
has_drop, in_macro_or_desugar, is_copy, match_def_path, match_type, paths, snippet_opt, span_lint_hir, has_drop, is_copy, match_def_path, match_type, paths, snippet_opt, span_lint_hir, span_lint_hir_and_then,
span_lint_hir_and_then, walk_ptrs_ty_depth, walk_ptrs_ty_depth,
}; };
use if_chain::if_chain; use if_chain::if_chain;
use matches::matches; use matches::matches;
@ -91,7 +91,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for RedundantClone {
for (bb, bbdata) in mir.basic_blocks().iter_enumerated() { for (bb, bbdata) in mir.basic_blocks().iter_enumerated() {
let terminator = bbdata.terminator(); let terminator = bbdata.terminator();
if in_macro_or_desugar(terminator.source_info.span) { if terminator.source_info.span.from_expansion() {
continue; continue;
} }

4
clippy_lints/src/redundant_static_lifetimes.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{in_macro_or_desugar, snippet, span_lint_and_then}; use crate::utils::{snippet, span_lint_and_then};
use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass}; use rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
use rustc_errors::Applicability; use rustc_errors::Applicability;
@ -78,7 +78,7 @@ impl RedundantStaticLifetimes {
impl EarlyLintPass for RedundantStaticLifetimes { impl EarlyLintPass for RedundantStaticLifetimes {
fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) {
if !in_macro_or_desugar(item.span) { if !item.span.from_expansion() {
if let ItemKind::Const(ref var_type, _) = item.node { if let ItemKind::Const(ref var_type, _) = item.node {
self.visit_type(var_type, cx, "Constants have by default a `'static` lifetime"); self.visit_type(var_type, cx, "Constants have by default a `'static` lifetime");
// Don't check associated consts because `'static` cannot be elided on those (issue // Don't check associated consts because `'static` cannot be elided on those (issue

10
clippy_lints/src/returns.rs
View file

@ -7,7 +7,7 @@ use syntax::source_map::Span;
use syntax::visit::FnKind; use syntax::visit::FnKind;
use syntax_pos::BytePos; use syntax_pos::BytePos;
use crate::utils::{in_macro_or_desugar, match_path_ast, snippet_opt, span_lint_and_then}; use crate::utils::{match_path_ast, snippet_opt, span_lint_and_then};
declare_clippy_lint! { declare_clippy_lint! {
/// **What it does:** Checks for return statements at the end of a block. /// **What it does:** Checks for return statements at the end of a block.
@ -155,7 +155,7 @@ impl Return {
) { ) {
match inner_span { match inner_span {
Some(inner_span) => { Some(inner_span) => {
if in_external_macro(cx.sess(), inner_span) || in_macro_or_desugar(inner_span) { if in_external_macro(cx.sess(), inner_span) || inner_span.from_expansion() {
return; return;
} }
@ -245,7 +245,7 @@ impl EarlyLintPass for Return {
if_chain! { if_chain! {
if let ast::FunctionRetTy::Ty(ref ty) = decl.output; if let ast::FunctionRetTy::Ty(ref ty) = decl.output;
if let ast::TyKind::Tup(ref vals) = ty.node; if let ast::TyKind::Tup(ref vals) = ty.node;
if vals.is_empty() && !in_macro_or_desugar(ty.span) && get_def(span) == get_def(ty.span); if vals.is_empty() && !ty.span.from_expansion() && get_def(span) == get_def(ty.span);
then { then {
let (rspan, appl) = if let Ok(fn_source) = let (rspan, appl) = if let Ok(fn_source) =
cx.sess().source_map() cx.sess().source_map()
@ -277,7 +277,7 @@ impl EarlyLintPass for Return {
if_chain! { if_chain! {
if let Some(ref stmt) = block.stmts.last(); if let Some(ref stmt) = block.stmts.last();
if let ast::StmtKind::Expr(ref expr) = stmt.node; if let ast::StmtKind::Expr(ref expr) = stmt.node;
if is_unit_expr(expr) && !in_macro_or_desugar(expr.span); if is_unit_expr(expr) && !expr.span.from_expansion();
then { then {
let sp = expr.span; let sp = expr.span;
span_lint_and_then(cx, UNUSED_UNIT, sp, "unneeded unit expression", |db| { span_lint_and_then(cx, UNUSED_UNIT, sp, "unneeded unit expression", |db| {
@ -295,7 +295,7 @@ impl EarlyLintPass for Return {
fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) { fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) {
match e.node { match e.node {
ast::ExprKind::Ret(Some(ref expr)) | ast::ExprKind::Break(_, Some(ref expr)) => { ast::ExprKind::Ret(Some(ref expr)) | ast::ExprKind::Break(_, Some(ref expr)) => {
if is_unit_expr(expr) && !in_macro_or_desugar(expr.span) { if is_unit_expr(expr) && !expr.span.from_expansion() {
span_lint_and_then(cx, UNUSED_UNIT, expr.span, "unneeded `()`", |db| { span_lint_and_then(cx, UNUSED_UNIT, expr.span, "unneeded `()`", |db| {
db.span_suggestion( db.span_suggestion(
expr.span, expr.span,

4
clippy_lints/src/strings.rs
View file

@ -145,7 +145,7 @@ declare_lint_pass!(StringLitAsBytes => [STRING_LIT_AS_BYTES]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringLitAsBytes { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringLitAsBytes {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
use crate::utils::{in_macro_or_desugar, snippet, snippet_with_applicability}; use crate::utils::{snippet, snippet_with_applicability};
use syntax::ast::{LitKind, StrStyle}; use syntax::ast::{LitKind, StrStyle};
if let ExprKind::MethodCall(ref path, _, ref args) = e.node { if let ExprKind::MethodCall(ref path, _, ref args) = e.node {
@ -177,7 +177,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringLitAsBytes {
} else if callsite == expanded } else if callsite == expanded
&& lit_content.as_str().chars().all(|c| c.is_ascii()) && lit_content.as_str().chars().all(|c| c.is_ascii())
&& lit_content.as_str().len() <= MAX_LENGTH_BYTE_STRING_LIT && lit_content.as_str().len() <= MAX_LENGTH_BYTE_STRING_LIT
&& !in_macro_or_desugar(args[0].span) && !args[0].span.from_expansion()
{ {
span_lint_and_sugg( span_lint_and_sugg(
cx, cx,

6
clippy_lints/src/trivially_copy_pass_by_ref.rs
View file

@ -1,6 +1,6 @@
use std::cmp; use std::cmp;
use crate::utils::{in_macro_or_desugar, is_copy, is_self_ty, snippet, span_lint_and_sugg}; use crate::utils::{is_copy, is_self_ty, snippet, span_lint_and_sugg};
use if_chain::if_chain; use if_chain::if_chain;
use matches::matches; use matches::matches;
use rustc::hir; use rustc::hir;
@ -127,7 +127,7 @@ impl_lint_pass!(TriviallyCopyPassByRef => [TRIVIALLY_COPY_PASS_BY_REF]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for TriviallyCopyPassByRef { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for TriviallyCopyPassByRef {
fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx hir::TraitItem) { fn check_trait_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx hir::TraitItem) {
if in_macro_or_desugar(item.span) { if item.span.from_expansion() {
return; return;
} }
@ -145,7 +145,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for TriviallyCopyPassByRef {
span: Span, span: Span,
hir_id: HirId, hir_id: HirId,
) { ) {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }

4
clippy_lints/src/try_err.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{in_macro_or_desugar, match_qpath, paths, snippet, snippet_with_macro_callsite, span_lint_and_sugg}; use crate::utils::{match_qpath, paths, snippet, snippet_with_macro_callsite, span_lint_and_sugg};
use if_chain::if_chain; use if_chain::if_chain;
use rustc::hir::*; use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -67,7 +67,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for TryErr {
then { then {
let err_type = cx.tables.expr_ty(err_arg); let err_type = cx.tables.expr_ty(err_arg);
let origin_snippet = if in_macro_or_desugar(err_arg.span) { let origin_snippet = if err_arg.span.from_expansion() {
snippet_with_macro_callsite(cx, err_arg.span, "_") snippet_with_macro_callsite(cx, err_arg.span, "_")
} else { } else {
snippet(cx, err_arg.span, "_") snippet(cx, err_arg.span, "_")

20
clippy_lints/src/types.rs
View file

@ -23,8 +23,8 @@ use syntax::symbol::sym;
use crate::consts::{constant, Constant}; use crate::consts::{constant, Constant};
use crate::utils::paths; use crate::utils::paths;
use crate::utils::{ use crate::utils::{
clip, comparisons, differing_macro_contexts, higher, in_constant, in_macro_or_desugar, int_bits, last_path_segment, clip, comparisons, differing_macro_contexts, higher, in_constant, int_bits, last_path_segment, match_def_path,
match_def_path, match_path, multispan_sugg, same_tys, sext, snippet, snippet_opt, snippet_with_applicability, match_path, multispan_sugg, same_tys, sext, snippet, snippet_opt, snippet_with_applicability,
snippet_with_macro_callsite, span_help_and_lint, span_lint, span_lint_and_sugg, span_lint_and_then, unsext, snippet_with_macro_callsite, span_help_and_lint, span_lint, span_lint_and_sugg, span_lint_and_then, unsext,
}; };
@ -234,7 +234,7 @@ fn match_type_parameter(cx: &LateContext<'_, '_>, qpath: &QPath, path: &[&str])
/// local bindings should only be checked for the `BORROWED_BOX` lint. /// local bindings should only be checked for the `BORROWED_BOX` lint.
#[allow(clippy::too_many_lines)] #[allow(clippy::too_many_lines)]
fn check_ty(cx: &LateContext<'_, '_>, hir_ty: &hir::Ty, is_local: bool) { fn check_ty(cx: &LateContext<'_, '_>, hir_ty: &hir::Ty, is_local: bool) {
if in_macro_or_desugar(hir_ty.span) { if hir_ty.span.from_expansion() {
return; return;
} }
match hir_ty.node { match hir_ty.node {
@ -462,7 +462,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for LetUnitValue {
fn check_stmt(&mut self, cx: &LateContext<'a, 'tcx>, stmt: &'tcx Stmt) { fn check_stmt(&mut self, cx: &LateContext<'a, 'tcx>, stmt: &'tcx Stmt) {
if let StmtKind::Local(ref local) = stmt.node { if let StmtKind::Local(ref local) = stmt.node {
if is_unit(cx.tables.pat_ty(&local.pat)) { if is_unit(cx.tables.pat_ty(&local.pat)) {
if in_external_macro(cx.sess(), stmt.span) || in_macro_or_desugar(local.pat.span) { if in_external_macro(cx.sess(), stmt.span) || local.pat.span.from_expansion() {
return; return;
} }
if higher::is_from_for_desugar(local) { if higher::is_from_for_desugar(local) {
@ -526,7 +526,7 @@ declare_lint_pass!(UnitCmp => [UNIT_CMP]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnitCmp { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnitCmp {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }
if let ExprKind::Binary(ref cmp, ref left, _) = expr.node { if let ExprKind::Binary(ref cmp, ref left, _) = expr.node {
@ -575,7 +575,7 @@ declare_lint_pass!(UnitArg => [UNIT_ARG]);
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnitArg { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnitArg {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }
@ -1115,7 +1115,7 @@ fn fp_ty_mantissa_nbits(typ: Ty<'_>) -> u32 {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Casts { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Casts {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) { fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
return; return;
} }
if let ExprKind::Cast(ref ex, _) = expr.node { if let ExprKind::Cast(ref ex, _) = expr.node {
@ -1381,7 +1381,7 @@ impl<'a, 'tcx> TypeComplexity {
} }
fn check_type(&self, cx: &LateContext<'_, '_>, ty: &hir::Ty) { fn check_type(&self, cx: &LateContext<'_, '_>, ty: &hir::Ty) {
if in_macro_or_desugar(ty.span) { if ty.span.from_expansion() {
return; return;
} }
let score = { let score = {
@ -1485,7 +1485,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for CharLitAsU8 {
if let ExprKind::Cast(ref e, _) = expr.node { if let ExprKind::Cast(ref e, _) = expr.node {
if let ExprKind::Lit(ref l) = e.node { if let ExprKind::Lit(ref l) = e.node {
if let LitKind::Char(_) = l.node { if let LitKind::Char(_) = l.node {
if ty::Uint(UintTy::U8) == cx.tables.expr_ty(expr).sty && !in_macro_or_desugar(expr.span) { if ty::Uint(UintTy::U8) == cx.tables.expr_ty(expr).sty && !expr.span.from_expansion() {
let msg = "casting character literal to u8. `char`s \ let msg = "casting character literal to u8. `char`s \
are 4 bytes wide in rust, so casting to u8 \ are 4 bytes wide in rust, so casting to u8 \
truncates them"; truncates them";
@ -1646,7 +1646,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for AbsurdExtremeComparisons {
if let ExprKind::Binary(ref cmp, ref lhs, ref rhs) = expr.node { if let ExprKind::Binary(ref cmp, ref lhs, ref rhs) = expr.node {
if let Some((culprit, result)) = detect_absurd_comparison(cx, cmp.node, lhs, rhs) { if let Some((culprit, result)) = detect_absurd_comparison(cx, cmp.node, lhs, rhs) {
if !in_macro_or_desugar(expr.span) { if !expr.span.from_expansion() {
let msg = "this comparison involving the minimum or maximum element for this \ let msg = "this comparison involving the minimum or maximum element for this \
type contains a case that is always true or always false"; type contains a case that is always true or always false";

4
clippy_lints/src/unused_label.rs
View file

@ -1,4 +1,4 @@
use crate::utils::{in_macro_or_desugar, span_lint}; use crate::utils::span_lint;
use rustc::hir; use rustc::hir;
use rustc::hir::intravisit::{walk_expr, walk_fn, FnKind, NestedVisitorMap, Visitor}; use rustc::hir::intravisit::{walk_expr, walk_fn, FnKind, NestedVisitorMap, Visitor};
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
@ -44,7 +44,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnusedLabel {
span: Span, span: Span,
fn_id: hir::HirId, fn_id: hir::HirId,
) { ) {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }

6
clippy_lints/src/unwrap.rs
View file

@ -2,9 +2,7 @@ use if_chain::if_chain;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass}; use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use rustc::{declare_lint_pass, declare_tool_lint}; use rustc::{declare_lint_pass, declare_tool_lint};
use crate::utils::{ use crate::utils::{higher::if_block, match_type, paths, span_lint_and_then, usage::is_potentially_mutated};
higher::if_block, in_macro_or_desugar, match_type, paths, span_lint_and_then, usage::is_potentially_mutated,
};
use rustc::hir::intravisit::*; use rustc::hir::intravisit::*;
use rustc::hir::*; use rustc::hir::*;
use syntax::source_map::Span; use syntax::source_map::Span;
@ -197,7 +195,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Unwrap {
span: Span, span: Span,
fn_id: HirId, fn_id: HirId,
) { ) {
if in_macro_or_desugar(span) { if span.from_expansion() {
return; return;
} }

13
clippy_lints/src/utils/mod.rs
View file

@ -92,11 +92,6 @@ pub fn in_constant(cx: &LateContext<'_, '_>, id: HirId) -> bool {
} }
} }
/// Returns `true` if this `span` was expanded by any macro or desugaring
pub fn in_macro_or_desugar(span: Span) -> bool {
span.from_expansion()
}
/// Returns `true` if this `span` was expanded by any macro. /// Returns `true` if this `span` was expanded by any macro.
pub fn in_macro(span: Span) -> bool { pub fn in_macro(span: Span) -> bool {
if span.from_expansion() { if span.from_expansion() {
@ -349,7 +344,7 @@ pub fn method_calls(expr: &Expr, max_depth: usize) -> (Vec<Symbol>, Vec<&[Expr]>
let mut current = expr; let mut current = expr;
for _ in 0..max_depth { for _ in 0..max_depth {
if let ExprKind::MethodCall(path, _, args) = &current.node { if let ExprKind::MethodCall(path, _, args) = &current.node {
if args.iter().any(|e| in_macro_or_desugar(e.span)) { if args.iter().any(|e| e.span.from_expansion()) {
break; break;
} }
method_names.push(path.ident.name); method_names.push(path.ident.name);
@ -376,7 +371,7 @@ pub fn method_chain_args<'a>(expr: &'a Expr, methods: &[&str]) -> Option<Vec<&'a
// method chains are stored last -> first // method chains are stored last -> first
if let ExprKind::MethodCall(ref path, _, ref args) = current.node { if let ExprKind::MethodCall(ref path, _, ref args) = current.node {
if path.ident.name.as_str() == *method_name { if path.ident.name.as_str() == *method_name {
if args.iter().any(|e| in_macro_or_desugar(e.span)) { if args.iter().any(|e| e.span.from_expansion()) {
return None; return None;
} }
matched.push(&**args); // build up `matched` backwards matched.push(&**args); // build up `matched` backwards
@ -471,7 +466,7 @@ pub fn snippet_with_applicability<'a, T: LintContext>(
default: &'a str, default: &'a str,
applicability: &mut Applicability, applicability: &mut Applicability,
) -> Cow<'a, str> { ) -> Cow<'a, str> {
if *applicability != Applicability::Unspecified && in_macro_or_desugar(span) { if *applicability != Applicability::Unspecified && span.from_expansion() {
*applicability = Applicability::MaybeIncorrect; *applicability = Applicability::MaybeIncorrect;
} }
snippet_opt(cx, span).map_or_else( snippet_opt(cx, span).map_or_else(
@ -536,7 +531,7 @@ pub fn last_line_of_span<T: LintContext>(cx: &T, span: Span) -> Span {
pub fn expr_block<'a, T: LintContext>(cx: &T, expr: &Expr, option: Option<String>, default: &'a str) -> Cow<'a, str> { pub fn expr_block<'a, T: LintContext>(cx: &T, expr: &Expr, option: Option<String>, default: &'a str) -> Cow<'a, str> {
let code = snippet_block(cx, expr.span, default); let code = snippet_block(cx, expr.span, default);
let string = option.unwrap_or_default(); let string = option.unwrap_or_default();
if in_macro_or_desugar(expr.span) { if expr.span.from_expansion() {
Cow::Owned(format!("{{ {} }}", snippet_with_macro_callsite(cx, expr.span, default))) Cow::Owned(format!("{{ {} }}", snippet_with_macro_callsite(cx, expr.span, default)))
} else if let ExprKind::Block(_, _) = expr.node { } else if let ExprKind::Block(_, _) = expr.node {
Cow::Owned(format!("{}{}", code, string)) Cow::Owned(format!("{}{}", code, string))

4
clippy_lints/src/utils/sugg.rs
View file

@ -1,7 +1,7 @@
//! Contains utility functions to generate suggestions. //! Contains utility functions to generate suggestions.
#![deny(clippy::missing_docs_in_private_items)] #![deny(clippy::missing_docs_in_private_items)]
use crate::utils::{higher, in_macro_or_desugar, snippet, snippet_opt, snippet_with_macro_callsite}; use crate::utils::{higher, snippet, snippet_opt, snippet_with_macro_callsite};
use matches::matches; use matches::matches;
use rustc::hir; use rustc::hir;
use rustc::lint::{EarlyContext, LateContext, LintContext}; use rustc::lint::{EarlyContext, LateContext, LintContext};
@ -69,7 +69,7 @@ impl<'a> Sugg<'a> {
default: &'a str, default: &'a str,
applicability: &mut Applicability, applicability: &mut Applicability,
) -> Self { ) -> Self {
if *applicability != Applicability::Unspecified && in_macro_or_desugar(expr.span) { if *applicability != Applicability::Unspecified && expr.span.from_expansion() {
*applicability = Applicability::MaybeIncorrect; *applicability = Applicability::MaybeIncorrect;
} }
Self::hir_opt(cx, expr).unwrap_or_else(|| { Self::hir_opt(cx, expr).unwrap_or_else(|| {

4
doc/adding_lints.md
View file

@ -392,7 +392,7 @@ Here are some pointers to things you are likely going to need for every lint:
is already in here (`implements_trait`, `match_path`, `snippet`, etc) is already in here (`implements_trait`, `match_path`, `snippet`, etc)
* [Clippy diagnostics][diagnostics] * [Clippy diagnostics][diagnostics]
* [The `if_chain` macro][if_chain] * [The `if_chain` macro][if_chain]
* [`in_macro_or_desugar`][in_macro_or_desugar] and [`in_external_macro`][in_external_macro] * [`from_expansion`][from_expansion] and [`in_external_macro`][in_external_macro]
* [`Span`][span] * [`Span`][span]
* [`Applicability`][applicability] * [`Applicability`][applicability]
* [The rustc guide][rustc_guide] explains a lot of internal compiler concepts * [The rustc guide][rustc_guide] explains a lot of internal compiler concepts
@ -432,7 +432,7 @@ don't hesitate to ask on Discord, IRC or in the issue/PR.
[if_chain]: https://docs.rs/if_chain/0.1.2/if_chain/ [if_chain]: https://docs.rs/if_chain/0.1.2/if_chain/
[ty]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty/sty/index.html [ty]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty/sty/index.html
[ast]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax/ast/index.html [ast]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax/ast/index.html
[in_macro_or_desugar]: https://github.com/rust-lang/rust-clippy/blob/d0717d1f9531a03d154aaeb0cad94c243915a146/clippy_lints/src/utils/mod.rs#L94 [from_expansion]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax_pos/struct.Span.html#method.from_expansion
[in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/lint/fn.in_external_macro.html [in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/lint/fn.in_external_macro.html
[play]: https://play.rust-lang.org [play]: https://play.rust-lang.org
[author_example]: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=f093b986e80ad62f3b67a1f24f5e66e2 [author_example]: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=f093b986e80ad62f3b67a1f24f5e66e2