src/main/java/parser/astBuilder/ASTBuilder.java

@@ -207,10 +207,17 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
             crement = (IStatementNode) visit(ctx.statementExpression(i));
         }
 
-        BlockNode forBlock = (BlockNode) visit(ctx.blockStatement());
+        BlockNode forBlock = new BlockNode();
+
+        BlockNode forStatements = (BlockNode) visit(ctx.blockStatement());
+        if(forStatements != null) {
+            forBlock.addStatement((IStatementNode) forStatements);
+        }
 
         if(crement != null){
-            forBlock.addStatement((crement));
+            BlockNode forCrement = new BlockNode();
+            forCrement.addStatement((crement));
+            forBlock.addStatement(forCrement);
         }
 
         WhileNode While = new WhileNode(condition, forBlock);

src/test/java/parser/AstBuilderTest.java

@@ -200,6 +200,20 @@ class AstBuilderTest {
         //assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
     }
 
+    //Noch nicht speziell Increment nur zum Development Testen per Debug
+    @Test
+    @DisplayName("Increment Test")
+    public void incrementTest(){
+        ClassNode classNode = Helper.generateEmptyClass("TestClass");
+        classNode.addMember(new FieldNode(new AccessModifierNode("public"), new BaseType(TypeEnum.INT), "a"));
+
+        ProgramNode expected = new ProgramNode();
+        expected.addClass(classNode);
+
+        ASTNode actual = Helper.generateAST("src/test/resources/input/javaCases/Increment.java");
+        assertThat(actual).isEqualToComparingFieldByFieldRecursively(expected);
+    }
+
 
 
 

src/test/resources/input/javaCases/Increment.java

@@ -0,0 +1,12 @@
+public class Increment {
+
+    public int test;
+
+    public void increment(int p) {
+        test = p++;
+
+        for(int i = 1; i<=10, i++) {
+            int a = 5;
+        }
+    }
+}