Auto merge of #4973 - JohnTitor:rustup-1231, r=phansch

Rustup to rust-lang/rust#67707

`syntax_pos` -> `rustc_span`

changelog: none

Author: bors

clippy_lints/src/attrs.rs

@@ -15,11 +15,11 @@ use rustc::lint::{
 use rustc::ty;
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::symbol::Symbol;
 use semver::Version;
 use syntax::ast::{AttrKind, AttrStyle, Attribute, Lit, LitKind, MetaItemKind, NestedMetaItem};
 use syntax::source_map::Span;
 use syntax::util::lev_distance::find_best_match_for_name;
-use syntax_pos::symbol::Symbol;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for items annotated with `#[inline(always)]`,

clippy_lints/src/cognitive_complexity.rs

@@ -5,9 +5,9 @@ use rustc::hir::*;
 use rustc::impl_lint_pass;
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintContext, LintPass};
 use rustc_session::declare_tool_lint;
+use rustc_span::BytePos;
 use syntax::ast::Attribute;
 use syntax::source_map::Span;
-use syntax_pos::BytePos;
 
 use crate::utils::{match_type, paths, snippet_opt, span_help_and_lint, LimitStack};
 

clippy_lints/src/consts.rs

@@ -9,12 +9,12 @@ use rustc::ty::subst::{Subst, SubstsRef};
 use rustc::ty::{self, Ty, TyCtxt};
 use rustc::{bug, span_bug};
 use rustc_data_structures::sync::Lrc;
+use rustc_span::symbol::Symbol;
 use std::cmp::Ordering::{self, Equal};
 use std::cmp::PartialOrd;
 use std::convert::TryInto;
 use std::hash::{Hash, Hasher};
 use syntax::ast::{FloatTy, LitKind};
-use syntax_pos::symbol::Symbol;
 
 /// A `LitKind`-like enum to fold constant `Expr`s into.
 #[derive(Debug, Clone)]

clippy_lints/src/doc.rs

@@ -5,10 +5,10 @@ use rustc::impl_lint_pass;
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc_data_structures::fx::FxHashSet;
 use rustc_session::declare_tool_lint;
+use rustc_span::Pos;
 use std::ops::Range;
 use syntax::ast::{AttrKind, Attribute};
 use syntax::source_map::{BytePos, MultiSpan, Span};
-use syntax_pos::Pos;
 use url::Url;
 
 declare_clippy_lint! {

clippy_lints/src/excessive_precision.rs

@@ -7,11 +7,11 @@ use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc::ty;
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::symbol::Symbol;
 use std::f32;
 use std::f64;
 use std::fmt;
 use syntax::ast::*;
-use syntax_pos::symbol::Symbol;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for float literals with a precision greater

clippy_lints/src/fallible_impl_from.rs

@@ -6,7 +6,7 @@ use rustc::hir;
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc::ty::{self, Ty};
 use rustc_session::declare_tool_lint;
-use syntax_pos::Span;
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for impls of `From<..>` that contain `panic!()` or `unwrap()`

clippy_lints/src/inherent_impl.rs

@@ -6,7 +6,7 @@ use rustc::impl_lint_pass;
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_session::declare_tool_lint;
-use syntax_pos::Span;
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for multiple inherent implementations of a struct
@@ -54,7 +54,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MultipleInherentImpl {
             // Remember for each inherent implementation encoutered its span and generics
             // but filter out implementations that have generic params (type or lifetime)
             // or are derived from a macro
-            if !in_macro(item.span) && generics.params.len() == 0 {
+            if !in_macro(item.span) && generics.params.is_empty() {
                 self.impls.insert(item.hir_id.owner_def_id(), item.span);
             }
         }

clippy_lints/src/lib.rs

@@ -36,13 +36,13 @@ extern crate rustc_parse;
 #[allow(unused_extern_crates)]
 extern crate rustc_session;
 #[allow(unused_extern_crates)]
+extern crate rustc_span;
+#[allow(unused_extern_crates)]
 extern crate rustc_target;
 #[allow(unused_extern_crates)]
 extern crate rustc_typeck;
 #[allow(unused_extern_crates)]
 extern crate syntax;
-#[allow(unused_extern_crates)]
-extern crate syntax_pos;
 
 use rustc::lint::{self, LintId};
 use rustc::session::Session;

clippy_lints/src/literal_representation.rs

@@ -330,7 +330,7 @@ enum WarningType {
 }
 
 impl WarningType {
-    fn display(&self, suggested_format: String, cx: &EarlyContext<'_>, span: syntax_pos::Span) {
+    fn display(&self, suggested_format: String, cx: &EarlyContext<'_>, span: rustc_span::Span) {
         match self {
             Self::MistypedLiteralSuffix => span_lint_and_sugg(
                 cx,
@@ -450,7 +450,7 @@ impl LiteralDigitGrouping {
     // Returns `false` if the check fails
     fn check_for_mistyped_suffix(
         cx: &EarlyContext<'_>,
-        span: syntax_pos::Span,
+        span: rustc_span::Span,
         num_lit: &mut NumericLiteral<'_>,
     ) -> bool {
         if num_lit.suffix.is_some() {

clippy_lints/src/loops.rs

@@ -17,12 +17,12 @@ use rustc::ty::subst::Subst;
 use rustc::ty::{self, Ty};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::Applicability;
+use rustc_span::{BytePos, Symbol};
 use rustc_typeck::expr_use_visitor::*;
 use std::iter::{once, Iterator};
 use std::mem;
 use syntax::ast;
 use syntax::source_map::Span;
-use syntax_pos::{BytePos, Symbol};
 
 use crate::utils::paths;
 use crate::utils::{

clippy_lints/src/methods/option_map_unwrap_or.rs

@@ -5,8 +5,8 @@ use rustc::hir::{self, *};
 use rustc::lint::LateContext;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::Applicability;
+use rustc_span::symbol::Symbol;
 use syntax::source_map::Span;
-use syntax_pos::symbol::Symbol;
 
 use super::OPTION_MAP_UNWRAP_OR;
 

clippy_lints/src/misc.rs

@@ -603,7 +603,7 @@ fn is_used(cx: &LateContext<'_, '_>, expr: &Expr<'_>) -> bool {
 /// Tests whether an expression is in a macro expansion (e.g., something
 /// generated by `#[derive(...)]` or the like).
 fn in_attributes_expansion(expr: &Expr<'_>) -> bool {
-    use syntax_pos::hygiene::MacroKind;
+    use rustc_span::hygiene::MacroKind;
     if expr.span.from_expansion() {
         let data = expr.span.ctxt().outer_expn_data();
 

clippy_lints/src/missing_const_for_fn.rs

@@ -6,8 +6,8 @@ use rustc::hir::{Body, Constness, FnDecl, HirId};
 use rustc::lint::{in_external_macro, LateContext, LateLintPass, LintArray, LintPass};
 use rustc_mir::transform::qualify_min_const_fn::is_min_const_fn;
 use rustc_session::declare_tool_lint;
+use rustc_span::Span;
 use rustc_typeck::hir_ty_to_ty;
-use syntax_pos::Span;
 
 declare_clippy_lint! {
     /// **What it does:**

clippy_lints/src/mutable_debug_assertion.rs

@@ -6,7 +6,7 @@ use rustc::hir::{BorrowKind, Expr, ExprKind, Mutability, StmtKind, UnOp};
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc::{declare_lint_pass, ty};
 use rustc_session::declare_tool_lint;
-use syntax_pos::Span;
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for function/method calls with a mutable

clippy_lints/src/needless_pass_by_value.rs

@@ -14,12 +14,12 @@ use rustc::ty::{self, RegionKind, TypeFoldable};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::{Span, Symbol};
 use rustc_target::spec::abi::Abi;
 use rustc_typeck::expr_use_visitor as euv;
 use std::borrow::Cow;
 use syntax::ast::Attribute;
 use syntax::errors::DiagnosticBuilder;
-use syntax_pos::{Span, Symbol};
 
 declare_clippy_lint! {
     /// **What it does:** Checks for functions taking arguments by value, but not

clippy_lints/src/non_copy_const.rs

@@ -11,8 +11,8 @@ use rustc::lint::{LateContext, LateLintPass, Lint, LintArray, LintPass};
 use rustc::ty::adjustment::Adjust;
 use rustc::ty::{Ty, TypeFlags};
 use rustc_session::declare_tool_lint;
+use rustc_span::{InnerSpan, Span, DUMMY_SP};
 use rustc_typeck::hir_ty_to_ty;
-use syntax_pos::{InnerSpan, Span, DUMMY_SP};
 
 use crate::utils::{in_constant, is_copy, qpath_res, span_lint_and_then};
 

clippy_lints/src/panic_unimplemented.rs

@@ -4,8 +4,8 @@ use rustc::declare_lint_pass;
 use rustc::hir::*;
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc_session::declare_tool_lint;
+use rustc_span::Span;
 use syntax::ast::LitKind;
-use syntax_pos::Span;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for missing parameters in `panic!`.

clippy_lints/src/ptr.rs

@@ -13,9 +13,9 @@ use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc::ty;
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::{MultiSpan, Symbol};
 use std::borrow::Cow;
 use syntax::source_map::Span;
-use syntax_pos::{MultiSpan, Symbol};
 
 declare_clippy_lint! {
     /// **What it does:** This lint checks for function arguments of type `&String`

clippy_lints/src/returns.rs

@@ -3,10 +3,10 @@ use rustc::declare_lint_pass;
 use rustc::lint::{in_external_macro, EarlyContext, EarlyLintPass, LintArray, LintContext, LintPass};
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::BytePos;
 use syntax::ast;
 use syntax::source_map::Span;
 use syntax::visit::FnKind;
-use syntax_pos::BytePos;
 
 use crate::utils::{match_path_ast, snippet_opt, span_lint_and_then};
 

clippy_lints/src/slow_vector_initialization.rs

@@ -7,8 +7,8 @@ use rustc::hir::*;
 use rustc::lint::{LateContext, LateLintPass, Lint, LintArray, LintPass};
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::symbol::Symbol;
 use syntax::ast::LitKind;
-use syntax_pos::symbol::Symbol;
 
 declare_clippy_lint! {
     /// **What it does:** Checks slow zero-filled vector initialization

clippy_lints/src/swap.rs

@@ -11,7 +11,7 @@ use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use rustc::ty;
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
-use syntax_pos::Symbol;
+use rustc_span::Symbol;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for manual swapping.

clippy_lints/src/trivially_copy_pass_by_ref.rs

@@ -12,9 +12,9 @@ use rustc::session::config::Config as SessionConfig;
 use rustc::ty;
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::Span;
 use rustc_target::abi::LayoutOf;
 use rustc_target::spec::abi::Abi;
-use syntax_pos::Span;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for functions taking arguments by reference, where

clippy_lints/src/types.rs

@@ -14,13 +14,13 @@ use rustc::ty::{self, InferTy, Ty, TyCtxt, TypeckTables};
 use rustc::{declare_lint_pass, impl_lint_pass};
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::hygiene::{ExpnKind, MacroKind};
 use rustc_target::spec::abi::Abi;
 use rustc_typeck::hir_ty_to_ty;
 use syntax::ast::{FloatTy, IntTy, LitFloatType, LitIntType, LitKind, UintTy};
 use syntax::errors::DiagnosticBuilder;
 use syntax::source_map::Span;
 use syntax::symbol::{sym, Symbol};
-use syntax_pos::hygiene::{ExpnKind, MacroKind};
 
 use crate::consts::{constant, Constant};
 use crate::utils::paths;
@@ -668,7 +668,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnitArg {
 }
 
 fn is_questionmark_desugar_marked_call(expr: &Expr<'_>) -> bool {
-    use syntax_pos::hygiene::DesugaringKind;
+    use rustc_span::hygiene::DesugaringKind;
     if let ExprKind::Call(ref callee, _) = expr.kind {
         callee.span.is_desugaring(DesugaringKind::QuestionMark)
     } else {
@@ -2045,7 +2045,7 @@ declare_lint_pass!(ImplicitHasher => [IMPLICIT_HASHER]);
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ImplicitHasher {
     #[allow(clippy::cast_possible_truncation, clippy::too_many_lines)]
     fn check_item(&mut self, cx: &LateContext<'a, 'tcx>, item: &'tcx Item<'_>) {
-        use syntax_pos::BytePos;
+        use rustc_span::BytePos;
 
         fn suggestion<'a, 'tcx>(
             cx: &LateContext<'a, 'tcx>,

clippy_lints/src/use_self.rs

@@ -9,7 +9,7 @@ use rustc::ty;
 use rustc::ty::{DefIdTree, Ty};
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
-use syntax_pos::symbol::kw;
+use rustc_span::symbol::kw;
 
 use crate::utils::{differing_macro_contexts, span_lint_and_sugg};
 

clippy_lints/src/utils/attrs.rs

@@ -123,7 +123,7 @@ fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[ast::Attribute], name: &'
 /// Return true if the attributes contain any of `proc_macro`,
 /// `proc_macro_derive` or `proc_macro_attribute`, false otherwise
 pub fn is_proc_macro(attrs: &[ast::Attribute]) -> bool {
-    use syntax_pos::Symbol;
+    use rustc_span::Symbol;
 
     let syms = [
         Symbol::intern("proc_macro"),

clippy_lints/src/utils/internal_lints.rs

@@ -12,11 +12,11 @@ use rustc::{declare_lint_pass, impl_lint_pass};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::Applicability;
 use rustc_session::declare_tool_lint;
+use rustc_span::symbol::SymbolStr;
 use syntax::ast;
 use syntax::ast::{Crate as AstCrate, ItemKind, Name};
 use syntax::source_map::Span;
 use syntax::visit::FnKind;
-use syntax_pos::symbol::SymbolStr;
 
 declare_clippy_lint! {
     /// **What it does:** Checks for various things we like to keep tidy in clippy.

clippy_lints/src/utils/mod.rs

@@ -40,12 +40,12 @@ use rustc::ty::{
     Binder, Ty, TyCtxt,
 };
 use rustc_errors::Applicability;
+use rustc_span::hygiene::ExpnKind;
 use smallvec::SmallVec;
 use syntax::ast::{self, Attribute, LitKind};
 use syntax::attr;
 use syntax::source_map::{Span, DUMMY_SP};
 use syntax::symbol::{kw, Symbol};
-use syntax_pos::hygiene::ExpnKind;
 
 use crate::consts::{constant, Constant};
 use crate::reexport::*;

clippy_lints/src/utils/paths.rs

@@ -104,7 +104,7 @@ pub const STD_CONVERT_IDENTITY: [&str; 3] = ["std", "convert", "identity"];
 pub const STD_MEM_TRANSMUTE: [&str; 3] = ["std", "mem", "transmute"];
 pub const STD_PTR_NULL: [&str; 3] = ["std", "ptr", "null"];
 pub const STRING: [&str; 3] = ["alloc", "string", "String"];
-pub const SYNTAX_CONTEXT: [&str; 3] = ["syntax_pos", "hygiene", "SyntaxContext"];
+pub const SYNTAX_CONTEXT: [&str; 3] = ["rustc_span", "hygiene", "SyntaxContext"];
 pub const TO_OWNED: [&str; 3] = ["alloc", "borrow", "ToOwned"];
 pub const TO_OWNED_METHOD: [&str; 4] = ["alloc", "borrow", "ToOwned", "to_owned"];
 pub const TO_STRING: [&str; 3] = ["alloc", "string", "ToString"];

clippy_lints/src/utils/sugg.rs

@@ -6,6 +6,7 @@ use matches::matches;
 use rustc::hir;
 use rustc::lint::{EarlyContext, LateContext, LintContext};
 use rustc_errors::Applicability;
+use rustc_span::{BytePos, Pos};
 use std::borrow::Cow;
 use std::convert::TryInto;
 use std::fmt::Display;
@@ -14,7 +15,6 @@ use syntax::print::pprust::token_kind_to_string;
 use syntax::source_map::{CharPos, Span};
 use syntax::token;
 use syntax::util::parser::AssocOp;
-use syntax_pos::{BytePos, Pos};
 
 pub use crate::literal_representation::format_numeric_literal;
 

clippy_lints/src/write.rs

@@ -8,11 +8,11 @@ use rustc_errors::Applicability;
 use rustc_lexer::unescape::{self, EscapeError};
 use rustc_parse::parser;
 use rustc_session::declare_tool_lint;
+use rustc_span::{BytePos, Span};
 use syntax::ast::*;
 use syntax::symbol::Symbol;
 use syntax::token;
 use syntax::tokenstream::TokenStream;
-use syntax_pos::{BytePos, Span};
 
 declare_clippy_lint! {
     /// **What it does:** This lint warns when you use `println!("")` to

doc/adding_lints.md

@@ -432,12 +432,12 @@ don't hesitate to ask on Discord, IRC or in the issue/PR.
 [diagnostics]: https://github.com/rust-lang/rust-clippy/blob/master/clippy_lints/src/utils/diagnostics.rs
 [utils]: https://github.com/rust-lang/rust-clippy/blob/master/clippy_lints/src/utils/mod.rs
 [ident]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax/source_map/symbol/struct.Ident.html
-[span]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax_pos/struct.Span.html
+[span]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html
 [applicability]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/enum.Applicability.html
 [if_chain]: https://docs.rs/if_chain/*/if_chain/
 [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
-[from_expansion]: https://doc.rust-lang.org/nightly/nightly-rustc/syntax_pos/struct.Span.html#method.from_expansion
+[from_expansion]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html#method.from_expansion
 [in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/lint/fn.in_external_macro.html
 [play]: https://play.rust-lang.org
 [author_example]: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=f093b986e80ad62f3b67a1f24f5e66e2