New Java parser - diamonds support

java/java-tests/testData/psi/parser-full/expressionParsing/New15.java

@@ -0,0 +1,5 @@
+class Foo {
+  {
+    new A<>();
+  }
+}

java/java-tests/testData/psi/parser-full/expressionParsing/New15.txt

@@ -0,0 +1,46 @@
+PsiJavaFile:New15.java
+  PsiImportList
+    <empty list>
+  PsiClass:Foo
+    PsiModifierList:
+      <empty list>
+    PsiKeyword:class('class')
+    PsiWhiteSpace(' ')
+    PsiIdentifier:Foo('Foo')
+    PsiTypeParameterList
+      <empty list>
+    PsiReferenceList
+      <empty list>
+    PsiReferenceList
+      <empty list>
+    PsiWhiteSpace(' ')
+    PsiJavaToken:LBRACE('{')
+    PsiWhiteSpace('\n  ')
+    PsiClassInitializer
+      PsiModifierList:
+        <empty list>
+      PsiCodeBlock
+        PsiJavaToken:LBRACE('{')
+        PsiWhiteSpace('\n    ')
+        PsiExpressionStatement
+          PsiNewExpression:new A<>()
+            PsiKeyword:new('new')
+            PsiReferenceParameterList
+              <empty list>
+            PsiWhiteSpace(' ')
+            PsiJavaCodeReferenceElement:A<>
+              PsiIdentifier:A('A')
+              PsiReferenceParameterList
+                PsiJavaToken:LT('<')
+                PsiTypeElement:
+                  PsiElement(DIAMOND_TYPE)
+                    <empty list>
+                PsiJavaToken:GT('>')
+            PsiExpressionList
+              PsiJavaToken:LPARENTH('(')
+              PsiJavaToken:RPARENTH(')')
+          PsiJavaToken:SEMICOLON(';')
+        PsiWhiteSpace('\n  ')
+        PsiJavaToken:RBRACE('}')
+    PsiWhiteSpace('\n')
+    PsiJavaToken:RBRACE('}')

java/java-tests/testData/psi/parser-partial/references/Type7.txt

@@ -0,0 +1,10 @@
+PsiJavaFile:Type7.java
+  PsiTypeElement:Diamond<>
+    PsiJavaCodeReferenceElement:Diamond<>
+      PsiIdentifier:Diamond('Diamond')
+      PsiReferenceParameterList
+        PsiJavaToken:LT('<')
+        PsiTypeElement:
+          PsiElement(DIAMOND_TYPE)
+            <empty list>
+        PsiJavaToken:GT('>')