[java] parses local-var syntax for lambda parameters (IDEA-187804)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advLVTI/SimpleAvailability.java

@@ -1,11 +1,12 @@
+import java.util.function.Function;
 
 class Main {
     private static void localVariableDeclaration() {
         var a = 1;
         <error descr="'var' is not allowed in a compound declaration">var b = 2</error>, <error descr="'var' is not allowed in a compound declaration">c = 3.0;</error>
         <error descr="'var' is not allowed as an element type of an array">var</error> d[] = new int[4];
-        var d1 = new int[] {4};                                                                                          
-        var d2 = new int[4];                                                                                          
+        var d1 = new int[] {4};
+        var d2 = new int[4];
         <error descr="Cannot infer type: 'var' on variable without initializer">var</error> e;
         var f = <error descr="Array initializer is not allowed here">{ 6 }</error>;
         var g = (<error descr="Incompatible types. Found: 'int', required: 'null'">g = 7</error>);
@@ -30,9 +31,11 @@ class Main {
         <error descr="Cannot infer type: method reference requires an explicit target type">var</error> m = Main::localVariableDeclaration;
         <error descr="Cannot infer type: variable initializer is 'null'">var</error> g = null;
         var runnable = true ? <error descr="Lambda expression not expected here">() -> {}</error> : <error descr="Lambda expression not expected here">() -> {}</error>;
+
+        Function<String, String> f1 = (<error descr="Cannot resolve symbol 'var'">var</error> var) -> var;
     }
 
-   private void forEachType(String[] strs, Iterable<String> it, Iterable raw) {
+    private void forEachType(String[] strs, Iterable<String> it, Iterable raw) {
         for (var str : strs) {
             String s = str;
         }
@@ -56,6 +59,5 @@ class Main {
     private void tryWithResources(AutoCloseable c) throws Exception {
         try (<error descr="Cannot infer type: variable initializer is 'null'">var</error> v = null) { }
         try (var v = c; var v1 = c) { }
-
     }
-}
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advLVTI/VarInLambdaParameters.java

@@ -0,0 +1,7 @@
+import java.util.function.Function;
+
+class C {
+  void m() {
+    Function<String, String> f = (var var) -> var;
+  }
+}