Use snippet_with_context instead of _with_macro_callsite

Author: dswij

clippy_lints/src/manual_let_else.rs

@@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::higher::IfLetOrMatch;
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::peel_blocks;
-use clippy_utils::source::{snippet, snippet_with_macro_callsite};
+use clippy_utils::source::snippet_with_context;
 use clippy_utils::ty::is_type_diagnostic_item;
 use clippy_utils::visitors::{for_each_expr, Descend};
 use if_chain::if_chain;
@@ -141,16 +141,10 @@ fn emit_manual_let_else(cx: &LateContext<'_>, span: Span, expr: &Expr<'_>, pat:
             // * unused binding collision detection with existing ones
             // * putting patterns with at the top level | inside ()
             // for this to be machine applicable.
-            let app = Applicability::HasPlaceholders;
-
-            let snippet_fn = if span.from_expansion() {
-                snippet
-            } else {
-                snippet_with_macro_callsite
-            };
-            let sn_pat = snippet_fn(cx, pat.span, "");
-            let sn_expr = snippet_fn(cx, expr.span, "");
-            let sn_else = snippet_fn(cx, else_body.span, "");
+            let mut app = Applicability::HasPlaceholders;
+            let (sn_pat, _) = snippet_with_context(cx, pat.span, span.ctxt(), "", &mut app);
+            let (sn_expr, _) = snippet_with_context(cx, expr.span, span.ctxt(), "", &mut app);
+            let (sn_else, _) = snippet_with_context(cx, else_body.span, span.ctxt(), "", &mut app);
 
             let else_bl = if matches!(else_body.kind, ExprKind::Block(..)) {
                 sn_else.into_owned()