Allow arguments before and after block-formatted functions.

test/regression/other/analysis_server.unit

 >>> (indent 2)
   main() {
     List<Future<List<LocationImpl>>> nodeFutures =
         <Future<List<LocationImpl>>>[];
   }
 <<<
   main() {
     List<Future<List<LocationImpl>>> nodeFutures =
         <Future<List<LocationImpl>>>[];
   }
@@ skipping 168 matching lines @@
           });
         }));
   }
 <<<
   void emitEmptyObjectClass(String className, ImpliedType impliedType) {
     docComment(toHtmlVisitor.collectHtml(() {
       toHtmlVisitor.p(() {
         toHtmlVisitor.write(impliedType.humanReadableName);
       });
     }));
+  }
+>>> (indent 2)
+  main() {
+    manager.setRoots(<String>[
+      projPath
+    ], <String>[], <String, String>{});
+  }
+<<<
+  main() {
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+  }
+>>> (indent 2)
+  main() {
+    server.setAnalysisRoots('0', [
+      '/foo',
+      '/bar'
+    ], [], {});
+    return pumpEventQueue(40).then((_) {
+      expect(server.statusAnalyzing, isFalse);
+    });
+  }
+<<<
+  main() {
+    server.setAnalysisRoots('0', ['/foo', '/bar'], [], {});
+    return pumpEventQueue(40).then((_) {
+      expect(server.statusAnalyzing, isFalse);
+    });
+  }
+>>> (indent 2)
+  main() {
+    return withBuilder(new DartIrBuilder(
+        DART_CONSTANT_SYSTEM,
+        element,
+        // TODO(johnniwinther): Support closure variables.
+        new Set<dart2js.Local>()), () {
+      irBuilder.buildFunctionHeader(
+          constructor.parameters.map(converter.convertElement));
+      // Visit the body directly to avoid processing the signature as
+      // expressions.
+      // Call to allow for `body == null` in case of synthesized constructors.
+      build(body);
+      return irBuilder.makeConstructorDefinition(const [], const []);
+    });
+  }
+<<<
+  main() {
+    return withBuilder(
+        new DartIrBuilder(
+            DART_CONSTANT_SYSTEM,
+            element,
+            // TODO(johnniwinther): Support closure variables.
+            new Set<dart2js.Local>()), () {
+      irBuilder.buildFunctionHeader(
+          constructor.parameters.map(converter.convertElement));
+      // Visit the body directly to avoid processing the signature as
+      // expressions.
+      // Call to allow for `body == null` in case of synthesized constructors.
+      build(body);
+      return irBuilder.makeConstructorDefinition(const [], const []);
+    });
   }