parser add increment statement

Test/TestParser.hs

@@ -227,7 +227,9 @@ testStatementConstructorCallWithArgs = TestCase $
     assertEqual "expect constructor call" [StatementExpressionStatement (ConstructorCall "Foo" [Reference "b"])] $
     parseStatement [NEW,IDENTIFIER "Foo",LBRACE,IDENTIFIER "b",RBRACE,SEMICOLON]
 
-
+testStatementPreIncrement = TestCase $
+    assertEqual "expect increment" [StatementExpressionStatement $ PostIncrement $ Reference "a"] $
+    parseStatement [IDENTIFIER "a",INCREMENT,SEMICOLON]
 
 
 tests = TestList [
@@ -296,5 +298,6 @@ tests = TestList [
     testStatementAssign,
     testStatementMethodCallNoParams,
     testStatementConstructorCall,
-    testStatementConstructorCallWithArgs
+    testStatementConstructorCallWithArgs,
+    testStatementIncrement
     ]

src/Parser/JavaParser.y

@@ -249,10 +249,10 @@ assignment       : lefthandside assignmentoperator assignmentexpression {
         
 
 statementexpression : assignment { $1 }
-                --  | preincrementexpression { }
-                --  | predecrementexpression { }
-                --  | postincrementexpression { }
-                --  | postdecrementexpression { }
+                 | preincrementexpression { $1 }
+                 | predecrementexpression { $1 }
+                 | postincrementexpression { $1 }
+                 | postdecrementexpression { $1 }
                  | methodinvocation { $1 }
                  | classinstancecreationexpression { $1 }