Basic support of switch expressions in StatementExtractor/SideEffectChecker

Fixes IDEA-204138 Exception in "statement with empty body" inspection with switch expression
Fixes EA-133610 - REWA: StatementExtractor.createNode

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/emptyStatement/afterIfSwitchCondition2Java12Preview.java

@@ -0,0 +1,17 @@
+// "Extract side effects as an 'if' statement" "true"
+class Z {
+
+  void z() {
+      if (foo) {
+          switch (0) {
+              case 0:
+                  break;
+              case 1:
+                  break;
+              default:
+                  new Foo().getBar();
+                  break;
+          }
+      }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/emptyStatement/afterIfSwitchConditionJava12Preview.java

@@ -0,0 +1,29 @@
+// "Extract side effect" "true"
+class Z {
+
+  void z() {
+      switch (0) {
+          case 0 -> {
+          }
+          case 1 -> {
+              System.out.println("oops");
+          }
+          case 2 -> {
+              System.out.println("bar");
+              if (Math.random() > 0.5) {
+                  new Foo().getBar();
+              }
+          }
+          case 3 -> {
+              if (Math.random() > 0.5) {
+              } else {
+              }
+          }
+          case 4 -> {
+              if (Math.random() > 0.5) break;
+              System.out.println("four");
+          }
+          default -> new Foo();
+      }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/emptyStatement/beforeIfSwitchCondition2Java12Preview.java

@@ -0,0 +1,14 @@
+// "Extract side effects as an 'if' statement" "true"
+class Z {
+
+  void z() {
+    i<caret>f (foo ? switch(0) {
+      case 0: break false;
+      case 1: break true;
+      default: break new Foo().getBar();
+    } : switch(0) {
+      case 0: break false;
+      case 1: break true;
+      default: break false;}) {}
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/emptyStatement/beforeIfSwitchConditionJava12Preview.java

@@ -0,0 +1,27 @@
+// "Extract side effect" "true"
+class Z {
+
+  void z() {
+    i<caret>f (switch(0) {
+      case 0 -> false;
+      case 1 -> {
+        System.out.println("oops");
+        break true;
+      }
+      case 2 -> {
+        System.out.println("bar");
+        break Math.random() > 0.5 && new Foo().getBar();
+      }
+      case 3 -> {
+        if(Math.random() > 0.5) break true;
+        else break false;
+      }
+      case 4 -> {
+        if(Math.random() > 0.5) break true;
+        System.out.println("four");
+        break false;
+      }
+      default -> "foo"+(new Foo());
+    }) {}
+  }
+}