syntax::ext -> syntax_expand

clippy_lints/src/lib.rs

@@ -37,6 +37,8 @@
 #[allow(unused_extern_crates)]
 extern crate syntax;
 #[allow(unused_extern_crates)]
+extern crate syntax_expand;
+#[allow(unused_extern_crates)]
 extern crate syntax_pos;
 
 use toml;

clippy_lints/src/misc.rs

@@ -596,7 +596,7 @@ 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::ext::hygiene::MacroKind;
+    use syntax_expand::hygiene::MacroKind;
     if expr.span.from_expansion() {
         let data = expr.span.ctxt().outer_expn_data();
 

clippy_lints/src/types.rs

@@ -17,10 +17,10 @@
 use rustc_typeck::hir_ty_to_ty;
 use syntax::ast::{FloatTy, IntTy, LitIntType, LitKind, UintTy};
 use syntax::errors::DiagnosticBuilder;
-use syntax::ext::base::MacroKind;
-use syntax::ext::hygiene::ExpnKind;
 use syntax::source_map::Span;
 use syntax::symbol::{sym, Symbol};
+use syntax_expand::base::MacroKind;
+use syntax_expand::hygiene::ExpnKind;
 
 use crate::consts::{constant, Constant};
 use crate::utils::paths;

clippy_lints/src/utils/mod.rs

@@ -43,9 +43,9 @@
 use smallvec::SmallVec;
 use syntax::ast::{self, LitKind};
 use syntax::attr;
-use syntax::ext::hygiene::ExpnKind;
 use syntax::source_map::{Span, DUMMY_SP};
 use syntax::symbol::{kw, Symbol};
+use syntax_expand::hygiene::ExpnKind;
 
 use crate::consts::{constant, Constant};
 use crate::reexport::*;