make things cool and good and wow

src/everybody_loops.rs

@@ -0,0 +1,46 @@
+use syn::{parse_quote, visit_mut::VisitMut};
+
+use crate::processor::Processor;
+
+struct Visitor {
+    loop_expr: syn::Block,
+    has_made_change: bool,
+}
+
+impl Visitor {
+    fn new() -> Self {
+        Self {
+            has_made_change: false,
+            loop_expr: parse_quote! { { loop {} } },
+        }
+    }
+}
+
+impl VisitMut for Visitor {
+    fn visit_block_mut(&mut self, block: &mut syn::Block) {
+        match block.stmts.as_slice() {
+            [syn::Stmt::Expr(syn::Expr::Loop(syn::ExprLoop {
+                body: loop_body, ..
+            }))] if loop_body.stmts.is_empty() => {}
+            _ => {
+                *block = self.loop_expr.clone();
+                self.has_made_change = true;
+            }
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct EverybodyLoops;
+
+impl Processor for EverybodyLoops {
+    fn process_file(&mut self, krate: &mut syn::File) -> bool {
+        let mut visitor = Visitor::new();
+        visitor.visit_file_mut(krate);
+        visitor.has_made_change
+    }
+
+    fn name(&self) -> &'static str {
+        "everybody-loops"
+    }
+}