Merge pull request 'NewParser' (#15) from NewParser into main

Reviewed-on: #15
Reviewed-by: Johannes Ehlert <i22005@hb.dhbw-stuttgart.de>

.idea/ANTLRv4ToolGrammarProperties.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ANTLRv4ToolGrammarProperties">
+    <option name="perGrammarGenerationSettings">
+      <list>
+        <PerGrammarGenerationSettings>
+          <option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/grammar/SimpleJava.g4" />
+          <option name="autoGen" value="true" />
+          <option name="outputDir" value="C:\Users\janni\Desktop\NichtHaskell2.0\src\main\java" />
+          <option name="libDir" value="" />
+          <option name="encoding" value="" />
+          <option name="pkg" value="parser.generated" />
+          <option name="language" value="" />
+          <option name="generateVisitor" value="true" />
+        </PerGrammarGenerationSettings>
+      </list>
+    </option>
+  </component>
+</project>

src/main/java/ast/ASTNode.java

@@ -1,5 +1,20 @@
 package ast;
 
-public interface ASTNode { }
+import bytecode.visitor.ClassVisitor;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public interface ASTNode {
+
+    //Todo: @BruderJohn & @i22007 Interface anwenden + geeignetetn Methodename.
+
+    /*
+    Typecheck:
+    public TypeCheckResult acceptType(SemanticVisitor visitor);
+
+    Bytecode:
+    public void accepByteCode(ClassVisitor classVisitor);
+     */
+}
 
 

src/main/java/ast/ClassNode.java

@@ -1,9 +1,9 @@
 package ast;
 
 import ast.type.AccessModifierNode;
-import ast.member.ConstructorNode;
-import ast.member.MemberNode;
-import ast.member.MethodNode;
+import ast.members.ConstructorNode;
+import ast.members.MemberNode;
+import ast.members.MethodNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;

src/main/java/ast/expression/binaryexpression/DotSubstractionExpressionNode.java

@@ -1,44 +0,0 @@
-package ast.expression.binaryexpression;
-
-import ast.expression.unaryexpression.MemberAccessNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
-import ast.type.type.*;
-import ast.type.ValueNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class DotSubstractionExpressionNode extends BinaryExpressionNode {
-    public ValueNode value;
-    public String identifier;
-    public MemberAccessNode memberAccess;
-    public MethodCallStatementExpressionNode methodCall;
-    public CalculationExpressionNode calculationExpression;
-
-    public DotSubstractionExpressionNode(ValueNode value) {
-        this.value = value;
-    }
-
-    public DotSubstractionExpressionNode(String identifier) {
-        this.identifier = identifier;
-    }
-
-    public DotSubstractionExpressionNode(MemberAccessNode memberAccess) {
-        this.memberAccess = memberAccess;
-    }
-
-    public DotSubstractionExpressionNode(MethodCallStatementExpressionNode methodCall, CalculationExpressionNode calculationExpression) {
-        this.methodCall = methodCall;
-        this.calculationExpression = calculationExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-    @Override
-    public ITypeNode getType() {
-        return null;
-    }
-
-}

src/main/java/ast/expression/unaryexpression/NotExpressionNode.java

@@ -1,13 +0,0 @@
-package ast.expression.unaryexpression;
-
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-
-public class NotExpressionNode implements ASTNode {
-    public IExpressionNode expression;
-
-    public NotExpressionNode(IExpressionNode expression) {
-        this.expression = expression;
-    }
-
-}

src/main/java/ast/expressions/IExpressionNode.java

@@ -1,4 +1,4 @@
-package ast.expression;
+package ast.expressions;
 
 import ast.ASTNode;
 import ast.type.type.ITypeNode;

src/main/java/ast/expressions/binaryexpressions/BinaryNode.java

@@ -1,11 +1,11 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 import ast.type.type.*;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class BinaryExpressionNode implements IExpressionNode {
+public class BinaryNode implements IExpressionNode {
 
     @Override
     public TypeCheckResult accept(SemanticVisitor visitor) {

src/main/java/ast/expressions/binaryexpressions/CalculationNode.java

@@ -1,21 +1,21 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 import ast.type.type.*;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class CalculationExpressionNode extends BinaryExpressionNode {
-    public CalculationExpressionNode calculationExpression;
+public class CalculationNode extends BinaryNode {
+    public CalculationNode calculationExpression;
     public EnumLineOperator operator;
-    public DotExpressionNode dotExpression;
+    public DotNode dotExpression;
 
-    public CalculationExpressionNode(CalculationExpressionNode calculationExpression, String operator, DotExpressionNode dotExpression) {
+    public CalculationNode(CalculationNode calculationExpression, String operator, DotNode dotExpression) {
         this.calculationExpression = calculationExpression;
         setOperator(operator);
         this.dotExpression = dotExpression;
     }
 
-    public CalculationExpressionNode(DotExpressionNode dotExpression) {
+    public CalculationNode(DotNode dotExpression) {
         this.dotExpression = dotExpression;
     }
 

src/main/java/ast/expressions/binaryexpressions/DotNode.java

@@ -1,21 +1,21 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 import ast.type.type.*;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class DotExpressionNode extends BinaryExpressionNode {
-    public DotExpressionNode dotExpression;
+public class DotNode extends BinaryNode {
+    public DotNode dotExpression;
     public EnumDotOperator operator;
-    public DotSubstractionExpressionNode dotSubstractionExpression;
+    public DotSubstractionNode dotSubstractionExpression;
 
-    public DotExpressionNode(DotExpressionNode dotExpression, String operator, DotSubstractionExpressionNode dotSubstractionExpression) {
+    public DotNode(DotNode dotExpression, String operator, DotSubstractionNode dotSubstractionExpression) {
         this.dotExpression = dotExpression;
         setOperator(operator);
         this.dotSubstractionExpression = dotSubstractionExpression;
     }
 
-    public DotExpressionNode(DotSubstractionExpressionNode dotSubstractionExpression) {
+    public DotNode(DotSubstractionNode dotSubstractionExpression) {
         this.dotSubstractionExpression = dotSubstractionExpression;
     }
 

src/main/java/ast/expressions/binaryexpressions/DotSubstractionNode.java

@@ -0,0 +1,44 @@
+package ast.expressions.binaryexpressions;
+
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.type.type.*;
+import ast.type.ValueNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class DotSubstractionNode extends BinaryNode {
+    public ValueNode value;
+    public String identifier;
+    public MemberAccessNode memberAccess;
+    public MethodCallNode methodCall;
+    public CalculationNode calculationExpression;
+
+    public DotSubstractionNode(ValueNode value) {
+        this.value = value;
+    }
+
+    public DotSubstractionNode(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public DotSubstractionNode(MemberAccessNode memberAccess) {
+        this.memberAccess = memberAccess;
+    }
+
+    public DotSubstractionNode(MethodCallNode methodCall, CalculationNode calculationExpression) {
+        this.methodCall = methodCall;
+        this.calculationExpression = calculationExpression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+    @Override
+    public ITypeNode getType() {
+        return null;
+    }
+
+}

src/main/java/ast/expressions/binaryexpressions/EnumDotOperator.java

@@ -1,4 +1,4 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 public enum EnumDotOperator {
     MULT, DIV, MOD

src/main/java/ast/expressions/binaryexpressions/EnumLineOperator.java

@@ -1,4 +1,4 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 public enum EnumLineOperator {
     PLUS, MINUS

src/main/java/ast/expressions/binaryexpressions/EnumNonCalculationOperator.java

@@ -1,4 +1,4 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
 public enum EnumNonCalculationOperator {
     AND, OR, GREATER, LESS, GREATER_EQUAL, LESS_EQUAL, EQUAL, NOT_EQUAL

src/main/java/ast/expressions/binaryexpressions/NonCalculationNode.java

@@ -1,17 +1,17 @@
-package ast.expression.binaryexpression;
+package ast.expressions.binaryexpressions;
 
-import ast.expression.IExpressionNode;
-import ast.expression.unaryexpression.UnaryExpressionNode;
+import ast.expressions.IExpressionNode;
+import ast.expressions.unaryexpressions.UnaryNode;
 import ast.type.type.*;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class NonCalculationExpressionNode extends BinaryExpressionNode {
-    public UnaryExpressionNode unaryExpression;
+public class NonCalculationNode extends BinaryNode {
+    public UnaryNode unaryExpression;
     public EnumNonCalculationOperator operator;
     public IExpressionNode expression;
 
-    public NonCalculationExpressionNode(UnaryExpressionNode unaryExpression, String operator, IExpressionNode expression) {
+    public NonCalculationNode(UnaryNode unaryExpression, String operator, IExpressionNode expression) {
         this.unaryExpression = unaryExpression;
         setOperator(operator);
         this.expression = expression;

src/main/java/ast/expressions/unaryexpressions/MemberAccessNode.java

@@ -1,4 +1,4 @@
-package ast.expression.unaryexpression;
+package ast.expressions.unaryexpressions;
 
 import ast.ASTNode;
 

src/main/java/ast/expressions/unaryexpressions/NotNode.java

@@ -0,0 +1,13 @@
+package ast.expressions.unaryexpressions;
+
+import ast.ASTNode;
+import ast.expressions.IExpressionNode;
+
+public class NotNode implements ASTNode {
+    public IExpressionNode expression;
+
+    public NotNode(IExpressionNode expression) {
+        this.expression = expression;
+    }
+
+}

src/main/java/ast/expressions/unaryexpressions/UnaryNode.java

@@ -1,7 +1,7 @@
-package ast.expression.unaryexpression;
+package ast.expressions.unaryexpressions;
 
-import ast.expression.IExpressionNode;
-import ast.statement.IStatementNode;
+import ast.expressions.IExpressionNode;
+import ast.statements.IStatementNode;
 import ast.type.type.*;
 import ast.type.ValueNode;
 import semantic.SemanticVisitor;
@@ -9,17 +9,17 @@ import typechecker.TypeCheckResult;
 
 import java.util.Objects;
 
-public class UnaryExpressionNode implements IExpressionNode {
+public class UnaryNode implements IExpressionNode {
     public String thisExp;
     public String identifier;
     public MemberAccessNode memberAccess;
     public ValueNode value;
-    public NotExpressionNode notExpression;
+    public NotNode notExpression;
     public IStatementNode statement;
     public IExpressionNode expression;
     private ITypeNode type;
 
-    public UnaryExpressionNode(String value) {
+    public UnaryNode(String value) {
         if(Objects.equals(value, "this")) {
             this.thisExp = "this";
         } else {
@@ -27,23 +27,23 @@ public class UnaryExpressionNode implements IExpressionNode {
         }
     }
 
-    public UnaryExpressionNode(MemberAccessNode memberAccess) {
+    public UnaryNode(MemberAccessNode memberAccess) {
         this.memberAccess = memberAccess;
     }
 
-    public UnaryExpressionNode(ValueNode value) {
+    public UnaryNode(ValueNode value) {
         this.value = value;
     }
 
-    public UnaryExpressionNode(NotExpressionNode notExpression) {
+    public UnaryNode(NotNode notExpression) {
         this.notExpression = notExpression;
     }
 
-    public UnaryExpressionNode(IStatementNode statement) {
+    public UnaryNode(IStatementNode statement) {
         this.statement = statement;
     }
 
-    public UnaryExpressionNode(IExpressionNode expression) {
+    public UnaryNode(IExpressionNode expression) {
         this.expression = expression;
     }
 

src/main/java/ast/members/ConstructorNode.java

@@ -1,11 +1,8 @@
-package ast.member;
+package ast.members;
 
-import ast.block.BlockNode;
-import ast.parameter.ParameterNode;
+import ast.parameters.ParameterNode;
+import ast.statements.BlockNode;
 import ast.type.AccessModifierNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-import visitor.Visitable;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -14,17 +11,17 @@ public class ConstructorNode extends MethodNode  {
     public AccessModifierNode accessType;
     public String identifier;
     public List<ParameterNode> parameters = new ArrayList<>();
-    public BlockNode body;
+    public BlockNode block;
 
     public ConstructorNode(AccessModifierNode accessType, String identifier) {
         this.accessType = accessType;
         this.identifier = identifier;
     }
 
-    public ConstructorNode(String accessType, String identifier, BlockNode body) {
+    public ConstructorNode(String accessType, String identifier, BlockNode block) {
         this.accessType = new AccessModifierNode(accessType);
         this.identifier = identifier;
-        this.body = body;
+        this.block = block;
     }
 
     public void addParameter(ParameterNode parameterNode) {

src/main/java/ast/members/FieldNode.java

@@ -1,4 +1,4 @@
-package ast.member;
+package ast.members;
 
 import ast.type.AccessModifierNode;
 import ast.type.type.ITypeNode;

src/main/java/ast/members/MainMethodNode.java

@@ -1,6 +1,6 @@
-package ast.member;
+package ast.members;
 
-import ast.block.BlockNode;
+import ast.statements.BlockNode;
 
 public class MainMethodNode extends MethodNode {
     public BlockNode block;

src/main/java/ast/members/MemberNode.java

@@ -1,4 +1,4 @@
-package ast.member;
+package ast.members;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonSubTypes;

src/main/java/ast/members/MethodNode.java

@@ -1,7 +1,7 @@
-package ast.member;
+package ast.members;
 
-import ast.block.BlockNode;
-import ast.parameter.ParameterNode;
+import ast.parameters.ParameterNode;
+import ast.statements.BlockNode;
 import ast.type.AccessModifierNode;
 import ast.type.type.*;
 import bytecode.visitor.MethodVisitor;

src/main/java/ast/parameters/ParameterNode.java

@@ -1,4 +1,4 @@
-package ast.parameter;
+package ast.parameters;
 
 import ast.ASTNode;
 import ast.type.type.*;

src/main/java/ast/statement/ForStatementNode.java

@@ -1,31 +0,0 @@
-package ast.statement;
-
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class ForStatementNode implements IStatementNode {
-    public IExpressionNode statementExpressionInit;
-    public IStatementNode localVariableDeclarationInit;
-    public IExpressionNode expression;
-    public IExpressionNode statementExpression;
-
-    public ForStatementNode(IExpressionNode statementExpressionInit, IExpressionNode expression, IExpressionNode statementExpression) {
-        this.statementExpressionInit = statementExpressionInit;
-        this.expression = expression;
-        this.statementExpression = statementExpression;
-    }
-
-    public ForStatementNode(IStatementNode localVariableDeclarationInit, IExpressionNode expression, IExpressionNode statementExpression) {
-        this.localVariableDeclarationInit = localVariableDeclarationInit;
-        this.expression = expression;
-        this.statementExpression = statementExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/WhileStatementNode.java

@@ -1,23 +0,0 @@
-package ast.statement;
-
-import ast.ASTNode;
-import ast.block.BlockNode;
-import ast.expression.IExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class WhileStatementNode implements IStatementNode {
-    public IExpressionNode expression;
-    public BlockNode block;
-
-    public WhileStatementNode(IExpressionNode expression, BlockNode block) {
-        this.expression = expression;
-        this.block = block;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ifstatement/ElseStatementNode.java

@@ -1,21 +0,0 @@
-package ast.statement.ifstatement;
-
-import ast.ASTNode;
-import ast.block.BlockNode;
-import ast.statement.IStatementNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class ElseStatementNode implements IStatementNode {
-    public BlockNode block;
-
-    public ElseStatementNode(BlockNode block) {
-        this.block = block;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ifstatement/IfElseStatementNode.java

@@ -1,28 +0,0 @@
-package ast.statement.ifstatement;
-
-import ast.ASTNode;
-import ast.statement.IStatementNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class IfElseStatementNode implements IStatementNode {
-    public IfStatementNode ifStatement;
-    public List<ElseStatementNode> elseStatements = new ArrayList<>();
-
-    public IfElseStatementNode(IfStatementNode ifStatement) {
-        this.ifStatement = ifStatement;
-    }
-
-    public void addElseStatement(ElseStatementNode elseStatement) {
-        elseStatements.add(elseStatement);
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/ifstatement/IfStatementNode.java

@@ -1,24 +0,0 @@
-package ast.statement.ifstatement;
-
-import ast.ASTNode;
-import ast.block.BlockNode;
-import ast.expression.IExpressionNode;
-import ast.statement.IStatementNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class IfStatementNode implements IStatementNode {
-    public IExpressionNode expression;
-    public BlockNode block;
-
-    public IfStatementNode(IExpressionNode expression, BlockNode block) {
-        this.expression = expression;
-        this.block = block;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/AssignStatementExpressionNode.java

@@ -1,21 +0,0 @@
-package ast.statement.statementexpression;
-
-import ast.expression.IExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class AssignStatementExpressionNode implements IStatementExpressionNode {
-    public AssignableExpressionNode assignable;
-    public IExpressionNode expression;
-
-    public AssignStatementExpressionNode(AssignableExpressionNode assignable, IExpressionNode expression) {
-        this.assignable = assignable;
-        this.expression = expression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/IStatementExpressionNode.java

@@ -1,5 +0,0 @@
-package ast.statement.statementexpression;
-
-import ast.statement.IStatementNode;
-
-public interface IStatementExpressionNode extends IStatementNode {}

src/main/java/ast/statement/statementexpression/crementExpression/CrementType.java

@@ -1,5 +0,0 @@
-package ast.statement.statementexpression.crementExpression;
-
-public enum CrementType {
-    PREFIX, SUFFIX
-}

src/main/java/ast/statement/statementexpression/crementExpression/DecrementExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.statement.statementexpression.crementExpression;
-
-import ast.ASTNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.IStatementExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class DecrementExpressionNode implements IStatementExpressionNode {
-    public CrementType crementType;
-    public AssignableExpressionNode assignableExpression;
-
-    public DecrementExpressionNode(CrementType crementType, AssignableExpressionNode assignableExpression) {
-        this.assignableExpression = assignableExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statement/statementexpression/crementExpression/IncrementExpressionNode.java

@@ -1,22 +0,0 @@
-package ast.statement.statementexpression.crementExpression;
-
-import ast.ASTNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.IStatementExpressionNode;
-import semantic.SemanticVisitor;
-import typechecker.TypeCheckResult;
-
-public class IncrementExpressionNode implements IStatementExpressionNode {
-    public CrementType crementType;
-    public AssignableExpressionNode assignableExpression;
-
-    public IncrementExpressionNode(CrementType crementType, AssignableExpressionNode assignableExpression) {
-        this.assignableExpression = assignableExpression;
-    }
-
-    @Override
-    public TypeCheckResult accept(SemanticVisitor visitor) {
-        return visitor.analyze(this);
-    }
-
-}

src/main/java/ast/statementexpressions/AssignNode.java

@@ -0,0 +1,21 @@
+package ast.statementexpressions;
+
+import ast.expressions.IExpressionNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class AssignNode implements IStatementExpressionNode {
+    public AssignableNode assignable;
+    public IExpressionNode expression;
+
+    public AssignNode(AssignableNode assignable, IExpressionNode expression) {
+        this.assignable = assignable;
+        this.expression = expression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

src/main/java/ast/statementexpressions/AssignableNode.java

@@ -1,19 +1,19 @@
-package ast.statement.statementexpression;
+package ast.statementexpressions;
 
-import ast.expression.unaryexpression.MemberAccessNode;
+import ast.expressions.unaryexpressions.MemberAccessNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class AssignableExpressionNode implements IStatementExpressionNode {
+public class AssignableNode implements IStatementExpressionNode {
     public String identifier;
 
     public MemberAccessNode memberAccess;
 
-    public AssignableExpressionNode(String identifier) {
+    public AssignableNode(String identifier) {
         this.identifier = identifier;
     }
 
-    public AssignableExpressionNode(MemberAccessNode memberAccess) {
+    public AssignableNode(MemberAccessNode memberAccess) {
         this.memberAccess = memberAccess;
     }
 

src/main/java/ast/statementexpressions/IStatementExpressionNode.java

@@ -0,0 +1,5 @@
+package ast.statementexpressions;
+
+import ast.statements.IStatementNode;
+
+public interface IStatementExpressionNode extends IStatementNode {}

src/main/java/ast/statementexpressions/NewDeclarationNode.java

@@ -1,18 +1,17 @@
-package ast.statement.statementexpression;
+package ast.statementexpressions;
 
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class NewDeclarationStatementExpressionNode implements IStatementExpressionNode {
+public class NewDeclarationNode implements IStatementExpressionNode {
     public String identifier;
     public List<IExpressionNode> expressions = new ArrayList<>();
 
-    public NewDeclarationStatementExpressionNode(String identifier) {
+    public NewDeclarationNode(String identifier) {
         this.identifier = identifier;
     }
 

src/main/java/ast/statementexpressions/crementexpressions/CrementType.java

@@ -0,0 +1,5 @@
+package ast.statementexpressions.crementexpressions;
+
+public enum CrementType {
+    PREFIX, SUFFIX
+}

src/main/java/ast/statementexpressions/crementexpressions/DecrementNode.java

@@ -0,0 +1,22 @@
+package ast.statementexpressions.crementexpressions;
+
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.IStatementExpressionNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class DecrementNode implements IStatementExpressionNode {
+    public CrementType crementType;
+    public AssignableNode assignableExpression;
+
+    public DecrementNode(CrementType crementType, AssignableNode assignableExpression) {
+        this.crementType = crementType;
+        this.assignableExpression = assignableExpression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

src/main/java/ast/statementexpressions/crementexpressions/IncrementNode.java

@@ -0,0 +1,22 @@
+package ast.statementexpressions.crementexpressions;
+
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.IStatementExpressionNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class IncrementNode implements IStatementExpressionNode {
+    public CrementType crementType;
+    public AssignableNode assignableExpression;
+
+    public IncrementNode(CrementType crementType, AssignableNode assignableExpression) {
+        this.crementType = crementType;
+        this.assignableExpression = assignableExpression;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return visitor.analyze(this);
+    }
+
+}

src/main/java/ast/statementexpressions/methodcallstatementnexpressions/ChainedMethodNode.java

@@ -1,7 +1,7 @@
-package ast.statement.statementexpression.methodcallstatementnexpression;
+package ast.statementexpressions.methodcallstatementnexpressions;
 
 import ast.ASTNode;
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/ast/statementexpressions/methodcallstatementnexpressions/MethodCallNode.java

@@ -1,21 +1,20 @@
-package ast.statement.statementexpression.methodcallstatementnexpression;
+package ast.statementexpressions.methodcallstatementnexpressions;
 
-import ast.ASTNode;
-import ast.expression.IExpressionNode;
-import ast.statement.statementexpression.IStatementExpressionNode;
+import ast.expressions.IExpressionNode;
+import ast.statements.IStatementNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class MethodCallStatementExpressionNode implements IStatementExpressionNode {
+public class MethodCallNode implements IStatementNode {
     public TargetNode target;
     public List<ChainedMethodNode> chainedMethods = new ArrayList<>();
     public String identifier;
-    public List<IExpressionNode> expressions = new ArrayList<>();
+    public List<IExpressionNode> parameters = new ArrayList<>();
 
-    public MethodCallStatementExpressionNode(TargetNode target, String identifier) {
+    public MethodCallNode(TargetNode target, String identifier) {
         this.target = target;
         this.identifier = identifier;
     }
@@ -24,8 +23,8 @@ public class MethodCallStatementExpressionNode implements IStatementExpressionNo
         chainedMethods.add(chainedMethode);
     }
 
-    public void addExpression(IExpressionNode expression) {
-        expressions.add(expression);
+    public void addExpression(IExpressionNode parameter) {
+        parameters.add(parameter);
     }
 
     @Override

src/main/java/ast/statementexpressions/methodcallstatementnexpressions/TargetNode.java

@@ -1,13 +1,13 @@
-package ast.statement.statementexpression.methodcallstatementnexpression;
+package ast.statementexpressions.methodcallstatementnexpressions;
 
 import ast.ASTNode;
-import ast.expression.unaryexpression.MemberAccessNode;
-import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.statementexpressions.NewDeclarationNode;
 
 public class TargetNode implements ASTNode {
     public Boolean thisTar;
     public MemberAccessNode memberAccess;
-    public NewDeclarationStatementExpressionNode newDeclaration;
+    public NewDeclarationNode newDeclaration;
     public String identifier;
 
     public TargetNode(Boolean thisTar) {
@@ -18,11 +18,11 @@ public class TargetNode implements ASTNode {
         this.memberAccess = memberAccess;
     }
 
-    public TargetNode(NewDeclarationStatementExpressionNode newDeclaration) {
+    public TargetNode(NewDeclarationNode newDeclaration) {
         this.newDeclaration = newDeclaration;
     }
 
     public TargetNode(String identifier) {
         this.identifier = identifier;
     }
-}
+}

src/main/java/ast/statements/BlockNode.java

@@ -1,19 +1,15 @@
-package ast.block;
+package ast.statements;
 
 import ast.ASTNode;
-import ast.statement.IStatementNode;
-import ast.statement.ReturnStatementNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 import visitor.Visitable;
 
-import java.beans.Visibility;
 import java.util.ArrayList;
 import java.util.List;
 
-public class BlockNode implements ASTNode, Visitable {
+public class BlockNode implements IStatementNode, Visitable {
     public List<IStatementNode> statements = new ArrayList<>();
-    public Boolean hasReturnStatement = false;
 
     public BlockNode() {}
 

src/main/java/ast/statements/ElseNode.java

@@ -0,0 +1,19 @@
+package ast.statements;
+
+import ast.ASTNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class ElseNode implements IStatementNode {
+    BlockNode block;
+
+    public ElseNode(BlockNode block) {
+        this.block = block;
+    }
+
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+}

src/main/java/ast/statements/IStatementNode.java

@@ -1,4 +1,4 @@
-package ast.statement;
+package ast.statements;
 
 import ast.ASTNode;
 import visitor.Visitable;

src/main/java/ast/statements/IfElseNode.java

@@ -0,0 +1,28 @@
+package ast.statements;
+
+import ast.ASTNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class IfElseNode implements IStatementNode {
+    IfNode ifStatement;
+    List<IfNode> elseIfStatements = new ArrayList<>();
+    ElseNode elseStatement;
+
+    public IfElseNode(IfNode ifStatement, ElseNode elseNode) {
+        this.ifStatement = ifStatement;
+        this.elseStatement = elseNode;
+    }
+
+    public void addElseIfStatement(IfNode elseIfStament) {
+        elseIfStatements.add(elseIfStament);
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+}

src/main/java/ast/statements/IfNode.java

@@ -0,0 +1,21 @@
+package ast.statements;
+
+import ast.ASTNode;
+import ast.expressions.IExpressionNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class IfNode implements IStatementNode {
+    IExpressionNode expression;
+    BlockNode block;
+
+    public IfNode(IExpressionNode expression, BlockNode block) {
+        this.expression = expression;
+        this.block = block;
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+}

src/main/java/ast/statements/LocalVariableDeclarationNode.java

@@ -1,6 +1,6 @@
-package ast.statement;
+package ast.statements;
 
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 import ast.type.type.*;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;

src/main/java/ast/statements/ReturnNode.java

@@ -1,14 +1,14 @@
-package ast.statement;
+package ast.statements;
 
-import ast.expression.IExpressionNode;
+import ast.expressions.IExpressionNode;
 import semantic.SemanticVisitor;
 import typechecker.TypeCheckResult;
 
-public class ReturnStatementNode implements IStatementNode {
+public class ReturnNode implements IStatementNode {
     public IExpressionNode expression;
     public Boolean voidReturn = false;
 
-    public ReturnStatementNode(IExpressionNode expression) {
+    public ReturnNode(IExpressionNode expression) {
         if(expression != null) {
             this.expression = expression;
         } else {

src/main/java/ast/statements/WhileNode.java

@@ -0,0 +1,26 @@
+package ast.statements;
+
+import ast.ASTNode;
+import ast.expressions.IExpressionNode;
+import semantic.SemanticVisitor;
+import typechecker.TypeCheckResult;
+
+public class WhileNode implements IStatementNode {
+    IExpressionNode expression;
+    BlockNode block;
+
+    public WhileNode(IExpressionNode expression, BlockNode block) {
+        this.expression = expression;
+        this.block = block;
+    }
+
+    public void test() {
+        return;
+
+    }
+
+    @Override
+    public TypeCheckResult accept(SemanticVisitor visitor) {
+        return null;
+    }
+}

src/main/java/ast/type/type/BaseType.java

@@ -25,6 +25,4 @@ public class BaseType implements ITypeNode {
             return false;
         return true;
     }
-
-
 }

src/main/java/bytecode/ClassCodeGen.java

@@ -1,9 +1,9 @@
 package bytecode;
 
 import ast.ClassNode;
-import ast.member.FieldNode;
-import ast.member.MemberNode;
-import ast.member.MethodNode;
+import ast.members.FieldNode;
+import ast.members.MemberNode;
+import ast.members.MethodNode;
 import ast.type.type.BaseType;
 import bytecode.visitor.ClassVisitor;
 

src/main/java/bytecode/MethodCodeGen.java

@@ -1,7 +1,7 @@
 package bytecode;
 
-import ast.member.ConstructorNode;
-import ast.member.MethodNode;
+import ast.members.ConstructorNode;
+import ast.members.MethodNode;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.MethodVisitor;
 

src/main/java/bytecode/visitor/ClassVisitor.java

@@ -1,7 +1,7 @@
 package bytecode.visitor;
 
 import ast.ClassNode;
-import ast.member.FieldNode;
+import ast.members.FieldNode;
 
 public interface ClassVisitor {
     void visit(ClassNode classNode);

src/main/java/bytecode/visitor/MethodVisitor.java

@@ -1,7 +1,7 @@
 package bytecode.visitor;
 
-import ast.member.ConstructorNode;
-import ast.member.MethodNode;
+import ast.members.ConstructorNode;
+import ast.members.MethodNode;
 
 public interface MethodVisitor {
     void visit(ConstructorNode constructorNode);

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

@@ -1,35 +1,37 @@
 package parser.astBuilder;
 
 import ast.*;
-import ast.block.BlockNode;
-import ast.expression.*;
-import ast.expression.binaryexpression.CalculationExpressionNode;
-import ast.expression.binaryexpression.DotExpressionNode;
-import ast.expression.binaryexpression.DotSubstractionExpressionNode;
-import ast.expression.binaryexpression.NonCalculationExpressionNode;
-import ast.expression.unaryexpression.MemberAccessNode;
-import ast.expression.unaryexpression.NotExpressionNode;
-import ast.expression.unaryexpression.UnaryExpressionNode;
-import ast.member.*;
-import ast.statement.ifstatement.ElseStatementNode;
-import ast.statement.ifstatement.IfElseStatementNode;
-import ast.parameter.ParameterNode;
-import ast.statement.*;
-import ast.statement.ifstatement.IfStatementNode;
-import ast.statement.statementexpression.AssignStatementExpressionNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
-import ast.statement.statementexpression.crementExpression.CrementType;
-import ast.statement.statementexpression.crementExpression.DecrementExpressionNode;
-import ast.statement.statementexpression.crementExpression.IncrementExpressionNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.ChainedMethodNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.TargetNode;
-import ast.type.*;
+
+import ast.expressions.IExpressionNode;
+import ast.expressions.binaryexpressions.CalculationNode;
+import ast.expressions.binaryexpressions.DotNode;
+import ast.expressions.binaryexpressions.DotSubstractionNode;
+import ast.expressions.binaryexpressions.NonCalculationNode;
+import ast.expressions.unaryexpressions.MemberAccessNode;
+import ast.expressions.unaryexpressions.NotNode;
+import ast.expressions.unaryexpressions.UnaryNode;
+import ast.members.*;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.CrementType;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
+import ast.statements.*;
+import ast.type.AccessModifierNode;
 import ast.type.type.*;
+import ast.type.EnumValueNode;
+import ast.type.ValueNode;
 import org.antlr.v4.runtime.tree.TerminalNode;
 import parser.generated.*;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
     @Override
     public ASTNode visitProgram(SimpleJavaParser.ProgramContext ctx) {
@@ -52,29 +54,39 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitConstructorDeclaration(SimpleJavaParser.ConstructorDeclarationContext ctx) {
-        ConstructorNode constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.block()));
-        for (SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
-            constructorNode.addParameter((ParameterNode) visit(parameter));
+        ConstructorNode constructorNode = new ConstructorNode(ctx.AccessModifier().getText(), ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+        if(ctx.parameterList() != null) {
+            for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                constructorNode.addParameter((ParameterNode) visit(parameter));
+            }
         }
+        constructorNode.block.addStatement(new ReturnNode(null));
         return constructorNode;
     }
 
     @Override
     public ASTNode visitMethodDeclaration(SimpleJavaParser.MethodDeclarationContext ctx) {
-        if (ctx.MainMethodDeclaration() != null) {
-            return new MainMethodNode((BlockNode) visit(ctx.block()));
+        if(ctx.MainMethodDeclaration() != null) {
+            MainMethodNode mainMethod = new MainMethodNode((BlockNode) visit(ctx.blockStatement()));
+            mainMethod.block.addStatement(new ReturnNode(null));
+            return mainMethod;
         } else {
-            if (ctx.type() != null) {
-                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), createTypeNode(ctx.type().getText()), false, ctx.Identifier().getText(), (BlockNode) visit(ctx.block()));
-                for (SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
-                    methodNode.addParameter((ParameterNode) visit(parameter));
+            if(ctx.type() != null) {
+                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), createTypeNode(ctx.type().getText()), false, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+                if(ctx.parameterList() != null) {
+                    for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                        methodNode.addParameter((ParameterNode) visit(parameter));
+                    }
                 }
                 return methodNode;
             } else {
-                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), null, true, ctx.Identifier().getText(), (BlockNode) visit(ctx.block()));
-                for (SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
-                    methodNode.addParameter((ParameterNode) visit(parameter));
+                MethodNode methodNode = new MethodNode(ctx.AccessModifier().getText(), null, true, ctx.Identifier().getText(), (BlockNode) visit(ctx.blockStatement()));
+                if(ctx.parameterList() != null) {
+                    for(SimpleJavaParser.ParameterContext parameter : ctx.parameterList().parameter()) {
+                        methodNode.addParameter((ParameterNode) visit(parameter));
+                    }
                 }
+                methodNode.block.addStatement(new ReturnNode(null));
                 return methodNode;
             }
         }
@@ -92,19 +104,21 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitStatement(SimpleJavaParser.StatementContext ctx) {
-        if (ctx.returnStatement() != null) {
+        if(ctx.returnStatement() != null) {
             return visitReturnStatement(ctx.returnStatement());
-        } else if (ctx.localVariableDeclaration() != null) {
+        } else if(ctx.localVariableDeclaration() != null) {
             return visitLocalVariableDeclaration(ctx.localVariableDeclaration());
-        } else if (ctx.block() != null) {
-            return visitBlock(ctx.block());
-        } else if (ctx.whileStatement() != null) {
+        } else if(ctx.blockStatement() != null) {
+            return visitBlockStatement(ctx.blockStatement());
+        } else if(ctx.whileStatement() != null) {
             return visitWhileStatement(ctx.whileStatement());
-        } else if (ctx.forStatement() != null) {
+        } else if(ctx.doWhileStatement() != null) {
+            return visitDoWhileStatement(ctx.doWhileStatement());
+        } else if(ctx.forStatement() != null) {
             return visitForStatement(ctx.forStatement());
-        } else if (ctx.ifElseStatement() != null) {
+        } else if(ctx.ifElseStatement() != null) {
             return visitIfElseStatement(ctx.ifElseStatement());
-        } else if (ctx.statementExpression() != null) {
+        } else if(ctx.statementExpression() != null) {
             return visitStatementExpression(ctx.statementExpression());
         }
         return null;
@@ -112,7 +126,7 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitReturnStatement(SimpleJavaParser.ReturnStatementContext ctx) {
-        return new ReturnStatementNode((IExpressionNode) visit(ctx.expression()));
+        return new ReturnNode((IExpressionNode) visit(ctx.expression()));
     }
 
     @Override
@@ -121,60 +135,109 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
     }
 
     @Override
-    public ASTNode visitBlock(SimpleJavaParser.BlockContext ctx) {
+    public ASTNode visitBlockStatement(SimpleJavaParser.BlockStatementContext ctx) {
         BlockNode blockNode = new BlockNode();
-        for (SimpleJavaParser.StatementContext statement : ctx.statement()) {
+        for(SimpleJavaParser.StatementContext statement : ctx.statement()) {
             blockNode.addStatement((IStatementNode) visit(statement));
         }
-        if (!blockNode.hasReturnStatement) {
-            blockNode.addStatement(new ReturnStatementNode(null));
-        }
         return blockNode;
     }
 
     @Override
     public ASTNode visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) {
-        return new WhileStatementNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.block()));
+        return new WhileNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.blockStatement()));
+    }
+
+    @Override
+    public ASTNode visitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) {
+        IExpressionNode condition = (IExpressionNode) visit(ctx.expression());
+        BlockNode doBlock = (BlockNode) visit(ctx.blockStatement());
+
+        WhileNode While = new WhileNode(condition, doBlock);
+        BlockNode resultBlock = new BlockNode();
+        resultBlock.addStatement((IStatementNode) doBlock);
+        resultBlock.addStatement((IStatementNode) While);
+
+        return resultBlock;
     }
 
     @Override
     public ASTNode visitForStatement(SimpleJavaParser.ForStatementContext ctx) {
-        if (ctx.statementExpression(0) != null) {
-            return new ForStatementNode((IExpressionNode) visit(ctx.statementExpression(0)), (IExpressionNode) visit(ctx.expression()), (IExpressionNode) visit(ctx.statementExpression(1)));
-        } else if (ctx.localVariableDeclaration() != null) {
-            return new ForStatementNode((IStatementNode) visit(ctx.localVariableDeclaration()), (IExpressionNode) visit(ctx.expression()), (IExpressionNode) visit(ctx.statementExpression(1)));
+
+        List<IStatementNode> statements = new ArrayList<>();
+
+        //init
+        int i = 0;
+        if(ctx.localVariableDeclaration() != null) {
+            statements.add((IStatementNode) visit(ctx.localVariableDeclaration()));
+        } else if(ctx.statementExpression(i) != null){
+            statements.add((IStatementNode) visit(ctx.statementExpression(i)));
+            i++;
         }
-        return null;
+
+        //condition
+        IExpressionNode condition = (IExpressionNode) visit(ctx.expression());
+
+        //ink
+        IStatementNode crement = null;
+        if(ctx.statementExpression(i) != null){
+            crement = (IStatementNode) visit(ctx.statementExpression(i));
+        }
+
+        BlockNode forBlock = (BlockNode) visit(ctx.blockStatement());
+
+        if(crement != null){
+            forBlock.addStatement((crement));
+        }
+
+        WhileNode While = new WhileNode(condition, forBlock);
+
+        statements.add(While);
+
+        BlockNode resultBlock = new BlockNode();
+        for(IStatementNode statement : statements) {
+            resultBlock.addStatement((IStatementNode) statement);
+        }
+
+        return resultBlock;
     }
 
     @Override
     public ASTNode visitIfElseStatement(SimpleJavaParser.IfElseStatementContext ctx) {
-        IfElseStatementNode ifElseStatementNode = new IfElseStatementNode((IfStatementNode) visit(ctx.ifStatement()));
-        for (SimpleJavaParser.ElseStatementContext elseStatement : ctx.elseStatement()) {
-            ifElseStatementNode.addElseStatement((ElseStatementNode) visit(elseStatement));
+        IfElseNode ifElseStatementNode =  new IfElseNode((IfNode) visit(ctx.ifStatement()),
+                (ElseNode) visit(ctx.elseStatement()));
+
+        for (SimpleJavaParser.ElseIfStatementContext elseIf : ctx.elseIfStatement()){
+            ifElseStatementNode.addElseIfStatement(((IfNode) visit(elseIf)));
         }
+
         return ifElseStatementNode;
     }
 
     @Override
     public ASTNode visitIfStatement(SimpleJavaParser.IfStatementContext ctx) {
-        return new IfStatementNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.block()));
+        return new IfNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.blockStatement()));
+    }
+
+    @Override
+    public ASTNode visitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) {
+        return new IfNode((IExpressionNode) visit(ctx.expression()), (BlockNode) visit(ctx.blockStatement()));
     }
 
     @Override
     public ASTNode visitElseStatement(SimpleJavaParser.ElseStatementContext ctx) {
-        return new ElseStatementNode((BlockNode) visit(ctx.block()));
+        return new ElseNode((BlockNode) visit(ctx.blockStatement()));
     }
 
     @Override
     public ASTNode visitStatementExpression(SimpleJavaParser.StatementExpressionContext ctx) {
-        if (ctx.assign() != null) {
+        if(ctx.assign() != null) {
             return visitAssign(ctx.assign());
-        } else if (ctx.newDeclaration() != null) {
+        } else if(ctx.newDeclaration() != null) {
             return visitNewDeclaration(ctx.newDeclaration());
-        } else if (ctx.methodCall() != null) {
+        } else if(ctx.methodCall() != null) {
             return visitMethodCall(ctx.methodCall());
-        } else if (ctx.crementExpression() != null) {
+        } else if(ctx.crementExpression() != null) {
             return visitCrementExpression(ctx.crementExpression());
         }
         return null;
@@ -182,25 +245,25 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitAssign(SimpleJavaParser.AssignContext ctx) {
-        return new AssignStatementExpressionNode((AssignableExpressionNode) visit(ctx.assignableExpression()), (IExpressionNode) visit(ctx.expression()));
+        return new AssignNode((AssignableNode) visit(ctx.assignableExpression()), (IExpressionNode) visit(ctx.expression()));
     }
 
     @Override
     public ASTNode visitNewDeclaration(SimpleJavaParser.NewDeclarationContext ctx) {
-        NewDeclarationStatementExpressionNode newDeclarationStatementExpressionNode = new NewDeclarationStatementExpressionNode(ctx.Identifier().getText());
-        for (SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
-            newDeclarationStatementExpressionNode.addExpression((IExpressionNode) visit(expression));
+        NewDeclarationNode newDeclarationNode = new NewDeclarationNode(ctx.Identifier().getText());
+        for(SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
+            newDeclarationNode.addExpression((IExpressionNode) visit(expression));
         }
-        return newDeclarationStatementExpressionNode;
+        return newDeclarationNode;
     }
 
     @Override
     public ASTNode visitMethodCall(SimpleJavaParser.MethodCallContext ctx) {
-        MethodCallStatementExpressionNode methodCallStatementExpressionNode = new MethodCallStatementExpressionNode((TargetNode) visit(ctx.target()), ctx.Identifier().getText());
-        for (SimpleJavaParser.ChainedMethodContext chainedMethod : ctx.chainedMethod()) {
+        MethodCallNode methodCallStatementExpressionNode = new MethodCallNode((TargetNode) visit(ctx.target()), ctx.Identifier().getText());
+        for(SimpleJavaParser.ChainedMethodContext chainedMethod : ctx.chainedMethod()) {
             methodCallStatementExpressionNode.addChainedMethod((ChainedMethodNode) visit(chainedMethod));
         }
-        for (SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
+        for(SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
             methodCallStatementExpressionNode.addExpression((IExpressionNode) visit(expression));
         }
         return methodCallStatementExpressionNode;
@@ -208,13 +271,13 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitTarget(SimpleJavaParser.TargetContext ctx) {
-        if (ctx.This() != null) {
+        if(ctx.This() != null) {
             return new TargetNode(true);
-        } else if (ctx.memberAccess() != null) {
+        } else if(ctx.memberAccess() != null) {
             return new TargetNode((MemberAccessNode) visit(ctx.memberAccess()));
-        } else if (ctx.newDeclaration() != null) {
-            return new TargetNode((NewDeclarationStatementExpressionNode) visit(ctx.newDeclaration()));
-        } else if (ctx.Identifier() != null) {
+        } else if(ctx.newDeclaration() != null) {
+            return new TargetNode((NewDeclarationNode) visit(ctx.newDeclaration()));
+        } else if(ctx.Identifier() != null) {
             return new TargetNode(ctx.Identifier().getText());
         }
         return null;
@@ -223,7 +286,7 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
     @Override
     public ASTNode visitChainedMethod(SimpleJavaParser.ChainedMethodContext ctx) {
         ChainedMethodNode chainedMethodNode = new ChainedMethodNode(ctx.Identifier().getText());
-        for (SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
+        for(SimpleJavaParser.ExpressionContext expression : ctx.argumentList().expression()) {
             chainedMethodNode.addExpression((IExpressionNode) visit(expression));
         }
         return chainedMethodNode;
@@ -231,9 +294,9 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitCrementExpression(SimpleJavaParser.CrementExpressionContext ctx) {
-        if (ctx.incrementExpression() != null) {
+        if(ctx.incrementExpression() != null) {
             return visitIncrementExpression(ctx.incrementExpression());
-        } else if (ctx.decrementExpression() != null) {
+        } else if(ctx.decrementExpression() != null) {
             return visitDecrementExpression(ctx.decrementExpression());
         }
         return null;
@@ -241,9 +304,9 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitIncrementExpression(SimpleJavaParser.IncrementExpressionContext ctx) {
-        if (ctx.prefixIncrementExpression() != null) {
+        if(ctx.prefixIncrementExpression() != null) {
             return visitPrefixIncrementExpression(ctx.prefixIncrementExpression());
-        } else if (ctx.suffixIncrementExpression() != null) {
+        } else if(ctx.suffixIncrementExpression() != null) {
             return visitSuffixIncrementExpression(ctx.suffixIncrementExpression());
         }
         return null;
@@ -251,19 +314,19 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitPrefixIncrementExpression(SimpleJavaParser.PrefixIncrementExpressionContext ctx) {
-        return new IncrementExpressionNode(CrementType.PREFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+        return new IncrementNode(CrementType.PREFIX, (AssignableNode) visit(ctx.assignableExpression()));
     }
 
     @Override
     public ASTNode visitSuffixIncrementExpression(SimpleJavaParser.SuffixIncrementExpressionContext ctx) {
-        return new IncrementExpressionNode(CrementType.SUFFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+        return new IncrementNode(CrementType.SUFFIX, (AssignableNode) visit(ctx.assignableExpression()));
     }
 
     @Override
     public ASTNode visitDecrementExpression(SimpleJavaParser.DecrementExpressionContext ctx) {
-        if (ctx.prefixDecrementExpression() != null) {
+        if(ctx.prefixDecrementExpression() != null) {
             return visitPrefixDecrementExpression(ctx.prefixDecrementExpression());
-        } else if (ctx.suffixDecrementExpression() != null) {
+        } else if(ctx.suffixDecrementExpression() != null) {
             return visitSuffixDecrementExpression(ctx.suffixDecrementExpression());
         }
         return null;
@@ -271,19 +334,19 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitPrefixDecrementExpression(SimpleJavaParser.PrefixDecrementExpressionContext ctx) {
-        return new DecrementExpressionNode(CrementType.PREFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+        return new DecrementNode(CrementType.PREFIX, (AssignableNode) visit(ctx.assignableExpression()));
     }
 
     @Override
     public ASTNode visitSuffixDecrementExpression(SimpleJavaParser.SuffixDecrementExpressionContext ctx) {
-        return new DecrementExpressionNode(CrementType.SUFFIX, (AssignableExpressionNode) visit(ctx.assignableExpression()));
+        return new DecrementNode(CrementType.SUFFIX, (AssignableNode) visit(ctx.assignableExpression()));
     }
 
     @Override
     public ASTNode visitExpression(SimpleJavaParser.ExpressionContext ctx) {
-        if (ctx.unaryExpression() != null) {
+        if(ctx.unaryExpression() != null) {
             return visit(ctx.unaryExpression());
-        } else if (ctx.binaryExpression() != null) {
+        } else if(ctx.binaryExpression() != null) {
             return visit(ctx.binaryExpression());
         }
         return null;
@@ -291,20 +354,20 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitUnaryExpression(SimpleJavaParser.UnaryExpressionContext ctx) {
-        if (ctx.This() != null) {
-            return new UnaryExpressionNode(ctx.This().getText());
-        } else if (ctx.Identifier() != null) {
-            return new UnaryExpressionNode(ctx.Identifier().getText());
-        } else if (ctx.memberAccess() != null) {
-            return new UnaryExpressionNode((MemberAccessNode) visitMemberAccess(ctx.memberAccess()));
-        } else if (ctx.value() != null) {
-            return new UnaryExpressionNode((ValueNode) visitValue(ctx.value()));
-        } else if (ctx.notExpression() != null) {
-            return new UnaryExpressionNode((NotExpressionNode) visitNotExpression(ctx.notExpression()));
-        } else if (ctx.statementExpression() != null) {
-            return new UnaryExpressionNode((IStatementNode) visitStatementExpression(ctx.statementExpression()));
-        } else if (ctx.expression() != null) {
-            return new UnaryExpressionNode((IExpressionNode) visitExpression(ctx.expression()));
+        if(ctx.This() != null) {
+            return new UnaryNode(ctx.This().getText());
+        } else if(ctx.Identifier() != null) {
+            return new UnaryNode(ctx.Identifier().getText());
+        } else if(ctx.memberAccess() != null) {
+            return new UnaryNode((MemberAccessNode) visitMemberAccess(ctx.memberAccess()));
+        } else if(ctx.value() != null) {
+            return new UnaryNode((ValueNode) visitValue(ctx.value()));
+        } else if(ctx.notExpression() != null) {
+            return new UnaryNode((NotNode) visitNotExpression(ctx.notExpression()));
+        } else if(ctx.statementExpression() != null) {
+            return new UnaryNode((IStatementNode) visitStatementExpression(ctx.statementExpression()));
+        } else if(ctx.expression() != null) {
+            return new UnaryNode((IExpressionNode) visitExpression(ctx.expression()));
         }
         return null;
     }
@@ -312,7 +375,7 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
     @Override
     public ASTNode visitMemberAccess(SimpleJavaParser.MemberAccessContext ctx) {
         MemberAccessNode memberAccessNode;
-        if (ctx.This() != null) {
+        if(ctx.This() != null) {
             memberAccessNode = new MemberAccessNode(true);
         } else {
             memberAccessNode = new MemberAccessNode(false);
@@ -325,13 +388,13 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitValue(SimpleJavaParser.ValueContext ctx) {
-        if (ctx.IntValue() != null) {
+        if(ctx.IntValue() != null) {
             return new ValueNode(EnumValueNode.INT_VALUE, ctx.IntValue().getText());
-        } else if (ctx.BooleanValue() != null) {
+        } else if(ctx.BooleanValue() != null) {
             return new ValueNode(EnumValueNode.BOOLEAN_VALUE, ctx.BooleanValue().getText());
-        } else if (ctx.CharValue() != null) {
+        } else if(ctx.CharValue() != null) {
             return new ValueNode(EnumValueNode.CHAR_VALUE, ctx.CharValue().getText());
-        } else if (ctx.NullValue() != null) {
+        } else if(ctx.NullValue() != null) {
             return new ValueNode(EnumValueNode.NULL_VALUE, ctx.NullValue().getText());
         }
         return null;
@@ -339,15 +402,15 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitNotExpression(SimpleJavaParser.NotExpressionContext ctx) {
-        return new NotExpressionNode((IExpressionNode) visitExpression(ctx.expression()));
+        return new NotNode((IExpressionNode) visitExpression(ctx.expression()));
     }
 
 
     @Override
     public ASTNode visitBinaryExpression(SimpleJavaParser.BinaryExpressionContext ctx) {
-        if (ctx.calculationExpression() != null) {
+        if(ctx.calculationExpression() != null) {
             return visit(ctx.calculationExpression());
-        } else if (ctx.nonCalculationExpression() != null) {
+        } else if(ctx.nonCalculationExpression() != null) {
             return visit(ctx.nonCalculationExpression());
         }
         return null;
@@ -355,54 +418,54 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
 
     @Override
     public ASTNode visitCalculationExpression(SimpleJavaParser.CalculationExpressionContext ctx) {
-        if (ctx.calculationExpression() != null) {
-            return new CalculationExpressionNode((CalculationExpressionNode) visit(ctx.calculationExpression()), ctx.LineOperator().getText(), (DotExpressionNode) visit(ctx.dotExpression()));
-        } else if (ctx.dotExpression() != null) {
-            return new CalculationExpressionNode((DotExpressionNode) visit(ctx.dotExpression()));
+        if(ctx.calculationExpression() != null) {
+            return new CalculationNode((CalculationNode) visit(ctx.calculationExpression()), ctx.LineOperator().getText(), (DotNode) visit(ctx.dotExpression()));
+        } else if(ctx.dotExpression() != null) {
+            return new CalculationNode((DotNode) visit(ctx.dotExpression()));
         }
         return null;
     }
 
     @Override
     public ASTNode visitDotExpression(SimpleJavaParser.DotExpressionContext ctx) {
-        if (ctx.dotExpression() != null) {
-            return new DotExpressionNode((DotExpressionNode) visit(ctx.dotExpression()), ctx.DotOperator().getText(), (DotSubstractionExpressionNode) visit(ctx.dotSubtractionExpression()));
-        } else if (ctx.dotSubtractionExpression() != null) {
-            return new DotExpressionNode((DotSubstractionExpressionNode) visit(ctx.dotSubtractionExpression()));
+        if(ctx.dotExpression() != null) {
+            return new DotNode((DotNode) visit(ctx.dotExpression()), ctx.DotOperator().getText(), (DotSubstractionNode) visit(ctx.dotSubtractionExpression()));
+        } else if(ctx.dotSubtractionExpression() != null) {
+            return new DotNode((DotSubstractionNode) visit(ctx.dotSubtractionExpression()));
         }
         return null;
     }
 
     @Override
     public ASTNode visitDotSubtractionExpression(SimpleJavaParser.DotSubtractionExpressionContext ctx) {
-        if (ctx.IntValue() != null) {
-            return new DotSubstractionExpressionNode(new ValueNode(EnumValueNode.INT_VALUE, ctx.IntValue().getText()));
-        } else if (ctx.Identifier() != null) {
-            return new DotSubstractionExpressionNode(ctx.Identifier().getText());
-        } else if (ctx.memberAccess() != null) {
-            return new DotSubstractionExpressionNode((MemberAccessNode) visit(ctx.memberAccess()));
-        } else if (ctx.methodCall() != null && ctx.calculationExpression() != null) {
-            return new DotSubstractionExpressionNode((MethodCallStatementExpressionNode) visit(ctx.methodCall()), (CalculationExpressionNode) visit(ctx.calculationExpression()));
+        if(ctx.IntValue() != null) {
+            return new DotSubstractionNode(new ValueNode(EnumValueNode.INT_VALUE, ctx.IntValue().getText()));
+        } else if(ctx.Identifier() != null) {
+            return new DotSubstractionNode(ctx.Identifier().getText());
+        } else if(ctx.memberAccess() != null) {
+            return new DotSubstractionNode((MemberAccessNode) visit(ctx.memberAccess()));
+        } else if(ctx.methodCall() != null && ctx.calculationExpression() != null) {
+            return new DotSubstractionNode((MethodCallNode) visit(ctx.methodCall()), (CalculationNode) visit(ctx.calculationExpression()));
         }
         return null;
     }
 
     @Override
     public ASTNode visitNonCalculationExpression(SimpleJavaParser.NonCalculationExpressionContext ctx) {
-        return new NonCalculationExpressionNode((UnaryExpressionNode) visit(ctx.unaryExpression()), ctx.nonCalculationOperator().getText(), (IExpressionNode) visit(ctx.expression()));
+        return new NonCalculationNode((UnaryNode) visit(ctx.unaryExpression()), ctx.nonCalculationOperator().getText(), (IExpressionNode) visit(ctx.expression()));
     }
 
     @Override
     public ASTNode visitAssignableExpression(SimpleJavaParser.AssignableExpressionContext ctx) {
-        if (ctx.Identifier() != null) {
-            return new AssignableExpressionNode(ctx.Identifier().getText());
-        } else if (ctx.memberAccess() != null) {
-            return new AssignableExpressionNode((MemberAccessNode) visit(ctx.memberAccess()));
+        if(ctx.Identifier() != null) {
+            return new AssignableNode(ctx.Identifier().getText());
+        } else if(ctx.memberAccess() != null) {
+            return new AssignableNode((MemberAccessNode) visit(ctx.memberAccess()));
         }
         return null;
     }
 
-    public ITypeNode createTypeNode(String identifier) {
+    public ITypeNode createTypeNode(String identifier){
         return switch (identifier) {
             case "int" -> new BaseType(TypeEnum.INT);
             case "boolean" -> new BaseType(TypeEnum.BOOL);
@@ -413,3 +476,4 @@ public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
     }
 
 }
+

src/main/java/parser/generated/SimpleJava.tokens

@@ -35,19 +35,20 @@ Comma=34
 Class=35
 This=36
 While=37
-If=38
-Else=39
-For=40
-Return=41
-New=42
-CharValue=43
-IntValue=44
-BooleanValue=45
-NullValue=46
-Identifier=47
-WS=48
-InlineComment=49
-MultilineComment=50
+Do=38
+If=39
+Else=40
+For=41
+Return=42
+New=43
+CharValue=44
+IntValue=45
+BooleanValue=46
+NullValue=47
+Identifier=48
+WS=49
+InlineComment=50
+MultilineComment=51
 '++'=1
 '--'=2
 'void'=3
@@ -80,9 +81,10 @@ MultilineComment=50
 'class'=35
 'this'=36
 'while'=37
-'if'=38
-'else'=39
-'for'=40
-'return'=41
-'new'=42
-'null'=46
+'do'=38
+'if'=39
+'else'=40
+'for'=41
+'return'=42
+'new'=43
+'null'=47

src/main/java/parser/generated/SimpleJavaBaseListener.java

@@ -137,13 +137,13 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void enterBlock(SimpleJavaParser.BlockContext ctx) { }
+	@Override public void enterBlockStatement(SimpleJavaParser.BlockStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
 	 * <p>The default implementation does nothing.</p>
 	 */
-	@Override public void exitBlock(SimpleJavaParser.BlockContext ctx) { }
+	@Override public void exitBlockStatement(SimpleJavaParser.BlockStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -180,6 +180,18 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -216,6 +228,18 @@ public class SimpleJavaBaseListener implements SimpleJavaListener {
 	 * <p>The default implementation does nothing.</p>
 	 */
 	@Override public void exitIfStatement(SimpleJavaParser.IfStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) { }
 	/**
 	 * {@inheritDoc}
 	 *

src/main/java/parser/generated/SimpleJavaBaseVisitor.java

@@ -88,7 +88,7 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * <p>The default implementation returns the result of calling
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
-	@Override public T visitBlock(SimpleJavaParser.BlockContext ctx) { return visitChildren(ctx); }
+	@Override public T visitBlockStatement(SimpleJavaParser.BlockStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -110,6 +110,13 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *
@@ -131,6 +138,13 @@ public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implem
 	 * {@link #visitChildren} on {@code ctx}.</p>
 	 */
 	@Override public T visitIfStatement(SimpleJavaParser.IfStatementContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx) { return visitChildren(ctx); }
 	/**
 	 * {@inheritDoc}
 	 *

src/main/java/parser/generated/SimpleJavaLexer.java

@@ -23,9 +23,9 @@ public class SimpleJavaLexer extends Lexer {
 		Less=20, GreaterEqual=21, LessEqual=22, Equal=23, NotEqual=24, Not=25, 
 		And=26, Or=27, Dot=28, OpenRoundBracket=29, ClosedRoundBracket=30, OpenCurlyBracket=31, 
 		ClosedCurlyBracket=32, Semicolon=33, Comma=34, Class=35, This=36, While=37, 
-		If=38, Else=39, For=40, Return=41, New=42, CharValue=43, IntValue=44, 
-		BooleanValue=45, NullValue=46, Identifier=47, WS=48, InlineComment=49, 
-		MultilineComment=50;
+		Do=38, If=39, Else=40, For=41, Return=42, New=43, CharValue=44, IntValue=45, 
+		BooleanValue=46, NullValue=47, Identifier=48, WS=49, InlineComment=50, 
+		MultilineComment=51;
 	public static String[] channelNames = {
 		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
 	};
@@ -42,9 +42,9 @@ public class SimpleJavaLexer extends Lexer {
 			"GreaterEqual", "LessEqual", "Equal", "NotEqual", "Not", "And", "Or", 
 			"Dot", "OpenRoundBracket", "ClosedRoundBracket", "OpenCurlyBracket", 
 			"ClosedCurlyBracket", "Semicolon", "Comma", "Class", "This", "While", 
-			"If", "Else", "For", "Return", "New", "CharValue", "IntValue", "BooleanValue", 
-			"NullValue", "Alphabetic", "Numeric", "ValidIdentSymbols", "Identifier", 
-			"WS", "InlineComment", "MultilineComment"
+			"Do", "If", "Else", "For", "Return", "New", "CharValue", "IntValue", 
+			"BooleanValue", "NullValue", "Alphabetic", "Numeric", "ValidIdentSymbols", 
+			"Identifier", "WS", "InlineComment", "MultilineComment"
 		};
 	}
 	public static final String[] ruleNames = makeRuleNames();
@@ -55,8 +55,8 @@ public class SimpleJavaLexer extends Lexer {
 			"'public static void main(String[] args)'", null, null, null, null, "'='", 
 			"'+'", "'-'", "'*'", "'%'", "'/'", "'>'", "'<'", "'>='", "'<='", "'=='", 
 			"'!='", "'!'", "'&&'", "'||'", "'.'", "'('", "')'", "'{'", "'}'", "';'", 
-			"','", "'class'", "'this'", "'while'", "'if'", "'else'", "'for'", "'return'", 
-			"'new'", null, null, null, "'null'"
+			"','", "'class'", "'this'", "'while'", "'do'", "'if'", "'else'", "'for'", 
+			"'return'", "'new'", null, null, null, "'null'"
 		};
 	}
 	private static final String[] _LITERAL_NAMES = makeLiteralNames();
@@ -68,8 +68,9 @@ public class SimpleJavaLexer extends Lexer {
 			"Greater", "Less", "GreaterEqual", "LessEqual", "Equal", "NotEqual", 
 			"Not", "And", "Or", "Dot", "OpenRoundBracket", "ClosedRoundBracket", 
 			"OpenCurlyBracket", "ClosedCurlyBracket", "Semicolon", "Comma", "Class", 
-			"This", "While", "If", "Else", "For", "Return", "New", "CharValue", "IntValue", 
-			"BooleanValue", "NullValue", "Identifier", "WS", "InlineComment", "MultilineComment"
+			"This", "While", "Do", "If", "Else", "For", "Return", "New", "CharValue", 
+			"IntValue", "BooleanValue", "NullValue", "Identifier", "WS", "InlineComment", 
+			"MultilineComment"
 		};
 	}
 	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
@@ -131,7 +132,7 @@ public class SimpleJavaLexer extends Lexer {
 	public ATN getATN() { return _ATN; }
 
 	public static final String _serializedATN =
-		"\u0004\u00002\u0198\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0004\u00003\u019d\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
 		"\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
 		"\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007"+
 		"\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b"+
@@ -145,244 +146,246 @@ public class SimpleJavaLexer extends Lexer {
 		"!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
 		"&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
 		"+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
-		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u0001\u0000"+
-		"\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0002"+
-		"\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0003\u0001\u0003"+
+		"0\u00021\u00071\u00022\u00072\u00023\u00073\u00024\u00074\u00025\u0007"+
+		"5\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0001"+
+		"\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0003"+
 		"\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003"+
-		"\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0005"+
-		"\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006\u0001\u0006"+
+		"\u0001\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004"+
+		"\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
 		"\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
-		"\u0001\u0006\u0003\u0006\u00b0\b\u0006\u0001\u0007\u0001\u0007\u0001\u0007"+
+		"\u0001\u0006\u0001\u0006\u0003\u0006\u00b2\b\u0006\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
 		"\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007"+
-		"\u0001\b\u0001\b\u0001\b\u0003\b\u00dc\b\b\u0001\t\u0001\t\u0003\t\u00e0"+
-		"\b\t\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0001\n\u0003\n\u00e8\b\n"+
-		"\u0001\u000b\u0001\u000b\u0003\u000b\u00ec\b\u000b\u0001\f\u0001\f\u0001"+
-		"\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001\u0010"+
-		"\u0001\u0010\u0001\u0011\u0001\u0011\u0001\u0012\u0001\u0012\u0001\u0013"+
-		"\u0001\u0013\u0001\u0014\u0001\u0014\u0001\u0014\u0001\u0015\u0001\u0015"+
-		"\u0001\u0015\u0001\u0016\u0001\u0016\u0001\u0016\u0001\u0017\u0001\u0017"+
-		"\u0001\u0017\u0001\u0018\u0001\u0018\u0001\u0019\u0001\u0019\u0001\u0019"+
-		"\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001\u001c"+
-		"\u0001\u001c\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001\u001f"+
-		"\u0001\u001f\u0001 \u0001 \u0001!\u0001!\u0001\"\u0001\"\u0001\"\u0001"+
-		"\"\u0001\"\u0001\"\u0001#\u0001#\u0001#\u0001#\u0001#\u0001$\u0001$\u0001"+
-		"$\u0001$\u0001$\u0001$\u0001%\u0001%\u0001%\u0001&\u0001&\u0001&\u0001"+
-		"&\u0001&\u0001\'\u0001\'\u0001\'\u0001\'\u0001(\u0001(\u0001(\u0001(\u0001"+
-		"(\u0001(\u0001(\u0001)\u0001)\u0001)\u0001)\u0001*\u0001*\u0005*\u014a"+
-		"\b*\n*\f*\u014d\t*\u0001*\u0001*\u0001+\u0003+\u0152\b+\u0001+\u0004+"+
-		"\u0155\b+\u000b+\f+\u0156\u0001,\u0001,\u0001,\u0001,\u0001,\u0001,\u0001"+
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-		"\u0000";
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+		"\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001)\u0001*\u0001*\u0001"+
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+		",\u0003,\u0157\b,\u0001,\u0004,\u015a\b,\u000b,\f,\u015b\u0001-\u0001"+
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+		"\u0000\u00fa$\u0001\u0000\u0000\u0000\u00fb\u00fc\u0005>\u0000\u0000\u00fc"+
+		"&\u0001\u0000\u0000\u0000\u00fd\u00fe\u0005<\u0000\u0000\u00fe(\u0001"+
+		"\u0000\u0000\u0000\u00ff\u0100\u0005>\u0000\u0000\u0100\u0101\u0005=\u0000"+
+		"\u0000\u0101*\u0001\u0000\u0000\u0000\u0102\u0103\u0005<\u0000\u0000\u0103"+
+		"\u0104\u0005=\u0000\u0000\u0104,\u0001\u0000\u0000\u0000\u0105\u0106\u0005"+
+		"=\u0000\u0000\u0106\u0107\u0005=\u0000\u0000\u0107.\u0001\u0000\u0000"+
+		"\u0000\u0108\u0109\u0005!\u0000\u0000\u0109\u010a\u0005=\u0000\u0000\u010a"+
+		"0\u0001\u0000\u0000\u0000\u010b\u010c\u0005!\u0000\u0000\u010c2\u0001"+
+		"\u0000\u0000\u0000\u010d\u010e\u0005&\u0000\u0000\u010e\u010f\u0005&\u0000"+
+		"\u0000\u010f4\u0001\u0000\u0000\u0000\u0110\u0111\u0005|\u0000\u0000\u0111"+
+		"\u0112\u0005|\u0000\u0000\u01126\u0001\u0000\u0000\u0000\u0113\u0114\u0005"+
+		".\u0000\u0000\u01148\u0001\u0000\u0000\u0000\u0115\u0116\u0005(\u0000"+
+		"\u0000\u0116:\u0001\u0000\u0000\u0000\u0117\u0118\u0005)\u0000\u0000\u0118"+
+		"<\u0001\u0000\u0000\u0000\u0119\u011a\u0005{\u0000\u0000\u011a>\u0001"+
+		"\u0000\u0000\u0000\u011b\u011c\u0005}\u0000\u0000\u011c@\u0001\u0000\u0000"+
+		"\u0000\u011d\u011e\u0005;\u0000\u0000\u011eB\u0001\u0000\u0000\u0000\u011f"+
+		"\u0120\u0005,\u0000\u0000\u0120D\u0001\u0000\u0000\u0000\u0121\u0122\u0005"+
+		"c\u0000\u0000\u0122\u0123\u0005l\u0000\u0000\u0123\u0124\u0005a\u0000"+
+		"\u0000\u0124\u0125\u0005s\u0000\u0000\u0125\u0126\u0005s\u0000\u0000\u0126"+
+		"F\u0001\u0000\u0000\u0000\u0127\u0128\u0005t\u0000\u0000\u0128\u0129\u0005"+
+		"h\u0000\u0000\u0129\u012a\u0005i\u0000\u0000\u012a\u012b\u0005s\u0000"+
+		"\u0000\u012bH\u0001\u0000\u0000\u0000\u012c\u012d\u0005w\u0000\u0000\u012d"+
+		"\u012e\u0005h\u0000\u0000\u012e\u012f\u0005i\u0000\u0000\u012f\u0130\u0005"+
+		"l\u0000\u0000\u0130\u0131\u0005e\u0000\u0000\u0131J\u0001\u0000\u0000"+
+		"\u0000\u0132\u0133\u0005d\u0000\u0000\u0133\u0134\u0005o\u0000\u0000\u0134"+
+		"L\u0001\u0000\u0000\u0000\u0135\u0136\u0005i\u0000\u0000\u0136\u0137\u0005"+
+		"f\u0000\u0000\u0137N\u0001\u0000\u0000\u0000\u0138\u0139\u0005e\u0000"+
+		"\u0000\u0139\u013a\u0005l\u0000\u0000\u013a\u013b\u0005s\u0000\u0000\u013b"+
+		"\u013c\u0005e\u0000\u0000\u013cP\u0001\u0000\u0000\u0000\u013d\u013e\u0005"+
+		"f\u0000\u0000\u013e\u013f\u0005o\u0000\u0000\u013f\u0140\u0005r\u0000"+
+		"\u0000\u0140R\u0001\u0000\u0000\u0000\u0141\u0142\u0005r\u0000\u0000\u0142"+
+		"\u0143\u0005e\u0000\u0000\u0143\u0144\u0005t\u0000\u0000\u0144\u0145\u0005"+
+		"u\u0000\u0000\u0145\u0146\u0005r\u0000\u0000\u0146\u0147\u0005n\u0000"+
+		"\u0000\u0147T\u0001\u0000\u0000\u0000\u0148\u0149\u0005n\u0000\u0000\u0149"+
+		"\u014a\u0005e\u0000\u0000\u014a\u014b\u0005w\u0000\u0000\u014bV\u0001"+
+		"\u0000\u0000\u0000\u014c\u0150\u0005\'\u0000\u0000\u014d\u014f\b\u0000"+
+		"\u0000\u0000\u014e\u014d\u0001\u0000\u0000\u0000\u014f\u0152\u0001\u0000"+
+		"\u0000\u0000\u0150\u014e\u0001\u0000\u0000\u0000\u0150\u0151\u0001\u0000"+
+		"\u0000\u0000\u0151\u0153\u0001\u0000\u0000\u0000\u0152\u0150\u0001\u0000"+
+		"\u0000\u0000\u0153\u0154\u0005\'\u0000\u0000\u0154X\u0001\u0000\u0000"+
+		"\u0000\u0155\u0157\u0003\u001d\u000e\u0000\u0156\u0155\u0001\u0000\u0000"+
+		"\u0000\u0156\u0157\u0001\u0000\u0000\u0000\u0157\u0159\u0001\u0000\u0000"+
+		"\u0000\u0158\u015a\u0003a0\u0000\u0159\u0158\u0001\u0000\u0000\u0000\u015a"+
+		"\u015b\u0001\u0000\u0000\u0000\u015b\u0159\u0001\u0000\u0000\u0000\u015b"+
+		"\u015c\u0001\u0000\u0000\u0000\u015cZ\u0001\u0000\u0000\u0000\u015d\u015e"+
+		"\u0005t\u0000\u0000\u015e\u015f\u0005r\u0000\u0000\u015f\u0160\u0005u"+
+		"\u0000\u0000\u0160\u0167\u0005e\u0000\u0000\u0161\u0162\u0005f\u0000\u0000"+
+		"\u0162\u0163\u0005a\u0000\u0000\u0163\u0164\u0005l\u0000\u0000\u0164\u0165"+
+		"\u0005s\u0000\u0000\u0165\u0167\u0005e\u0000\u0000\u0166\u015d\u0001\u0000"+
+		"\u0000\u0000\u0166\u0161\u0001\u0000\u0000\u0000\u0167\\\u0001\u0000\u0000"+
+		"\u0000\u0168\u0169\u0005n\u0000\u0000\u0169\u016a\u0005u\u0000\u0000\u016a"+
+		"\u016b\u0005l\u0000\u0000\u016b\u016c\u0005l\u0000\u0000\u016c^\u0001"+
+		"\u0000\u0000\u0000\u016d\u016e\u0007\u0001\u0000\u0000\u016e`\u0001\u0000"+
+		"\u0000\u0000\u016f\u0170\u0007\u0002\u0000\u0000\u0170b\u0001\u0000\u0000"+
+		"\u0000\u0171\u0175\u0003_/\u0000\u0172\u0175\u0003a0\u0000\u0173\u0175"+
+		"\u0007\u0003\u0000\u0000\u0174\u0171\u0001\u0000\u0000\u0000\u0174\u0172"+
+		"\u0001\u0000\u0000\u0000\u0174\u0173\u0001\u0000\u0000\u0000\u0175d\u0001"+
+		"\u0000\u0000\u0000\u0176\u017a\u0003_/\u0000\u0177\u0179\u0003c1\u0000"+
+		"\u0178\u0177\u0001\u0000\u0000\u0000\u0179\u017c\u0001\u0000\u0000\u0000"+
+		"\u017a\u0178\u0001\u0000\u0000\u0000\u017a\u017b\u0001\u0000\u0000\u0000"+
+		"\u017bf\u0001\u0000\u0000\u0000\u017c\u017a\u0001\u0000\u0000\u0000\u017d"+
+		"\u017f\u0007\u0004\u0000\u0000\u017e\u017d\u0001\u0000\u0000\u0000\u017f"+
+		"\u0180\u0001\u0000\u0000\u0000\u0180\u017e\u0001\u0000\u0000\u0000\u0180"+
+		"\u0181\u0001\u0000\u0000\u0000\u0181\u0182\u0001\u0000\u0000\u0000\u0182"+
+		"\u0183\u00063\u0000\u0000\u0183h\u0001\u0000\u0000\u0000\u0184\u0185\u0005"+
+		"/\u0000\u0000\u0185\u0186\u0005/\u0000\u0000\u0186\u018a\u0001\u0000\u0000"+
+		"\u0000\u0187\u0189\b\u0000\u0000\u0000\u0188\u0187\u0001\u0000\u0000\u0000"+
+		"\u0189\u018c\u0001\u0000\u0000\u0000\u018a\u0188\u0001\u0000\u0000\u0000"+
+		"\u018a\u018b\u0001\u0000\u0000\u0000\u018b\u018d\u0001\u0000\u0000\u0000"+
+		"\u018c\u018a\u0001\u0000\u0000\u0000\u018d\u018e\u00064\u0000\u0000\u018e"+
+		"j\u0001\u0000\u0000\u0000\u018f\u0190\u0005/\u0000\u0000\u0190\u0191\u0005"+
+		"*\u0000\u0000\u0191\u0195\u0001\u0000\u0000\u0000\u0192\u0194\t\u0000"+
+		"\u0000\u0000\u0193\u0192\u0001\u0000\u0000\u0000\u0194\u0197\u0001\u0000"+
+		"\u0000\u0000\u0195\u0196\u0001\u0000\u0000\u0000\u0195\u0193\u0001\u0000"+
+		"\u0000\u0000\u0196\u0198\u0001\u0000\u0000\u0000\u0197\u0195\u0001\u0000"+
+		"\u0000\u0000\u0198\u0199\u0005*\u0000\u0000\u0199\u019a\u0005/\u0000\u0000"+
+		"\u019a\u019b\u0001\u0000\u0000\u0000\u019b\u019c\u00065\u0000\u0000\u019c"+
+		"l\u0001\u0000\u0000\u0000\u000f\u0000\u00b1\u00dd\u00e1\u00e9\u00ed\u0150"+
+		"\u0156\u015b\u0166\u0174\u017a\u0180\u018a\u0195\u0001\u0006\u0000\u0000";
 	public static final ATN _ATN =
 		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
 	static {

src/main/java/parser/generated/SimpleJavaLexer.tokens

@@ -35,19 +35,20 @@ Comma=34
 Class=35
 This=36
 While=37
-If=38
-Else=39
-For=40
-Return=41
-New=42
-CharValue=43
-IntValue=44
-BooleanValue=45
-NullValue=46
-Identifier=47
-WS=48
-InlineComment=49
-MultilineComment=50
+Do=38
+If=39
+Else=40
+For=41
+Return=42
+New=43
+CharValue=44
+IntValue=45
+BooleanValue=46
+NullValue=47
+Identifier=48
+WS=49
+InlineComment=50
+MultilineComment=51
 '++'=1
 '--'=2
 'void'=3
@@ -80,9 +81,10 @@ MultilineComment=50
 'class'=35
 'this'=36
 'while'=37
-'if'=38
-'else'=39
-'for'=40
-'return'=41
-'new'=42
-'null'=46
+'do'=38
+'if'=39
+'else'=40
+'for'=41
+'return'=42
+'new'=43
+'null'=47

src/main/java/parser/generated/SimpleJavaListener.java

@@ -108,15 +108,15 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 */
 	void exitStatement(SimpleJavaParser.StatementContext ctx);
 	/**
-	 * Enter a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Enter a parse tree produced by {@link SimpleJavaParser#blockStatement}.
 	 * @param ctx the parse tree
 	 */
-	void enterBlock(SimpleJavaParser.BlockContext ctx);
+	void enterBlockStatement(SimpleJavaParser.BlockStatementContext ctx);
 	/**
-	 * Exit a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Exit a parse tree produced by {@link SimpleJavaParser#blockStatement}.
 	 * @param ctx the parse tree
 	 */
-	void exitBlock(SimpleJavaParser.BlockContext ctx);
+	void exitBlockStatement(SimpleJavaParser.BlockStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#returnStatement}.
 	 * @param ctx the parse tree
@@ -147,6 +147,16 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#doWhileStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#doWhileStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#forStatement}.
 	 * @param ctx the parse tree
@@ -177,6 +187,16 @@ public interface SimpleJavaListener extends ParseTreeListener {
 	 * @param ctx the parse tree
 	 */
 	void exitIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#elseIfStatement}.
+	 * @param ctx the parse tree
+	 */
+	void enterElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#elseIfStatement}.
+	 * @param ctx the parse tree
+	 */
+	void exitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx);
 	/**
 	 * Enter a parse tree produced by {@link SimpleJavaParser#elseStatement}.
 	 * @param ctx the parse tree

src/main/java/parser/generated/SimpleJavaVisitor.java

@@ -71,11 +71,11 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 */
 	T visitStatement(SimpleJavaParser.StatementContext ctx);
 	/**
-	 * Visit a parse tree produced by {@link SimpleJavaParser#block}.
+	 * Visit a parse tree produced by {@link SimpleJavaParser#blockStatement}.
 	 * @param ctx the parse tree
 	 * @return the visitor result
 	 */
-	T visitBlock(SimpleJavaParser.BlockContext ctx);
+	T visitBlockStatement(SimpleJavaParser.BlockStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#returnStatement}.
 	 * @param ctx the parse tree
@@ -94,6 +94,12 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitWhileStatement(SimpleJavaParser.WhileStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#doWhileStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDoWhileStatement(SimpleJavaParser.DoWhileStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#forStatement}.
 	 * @param ctx the parse tree
@@ -112,6 +118,12 @@ public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
 	 * @return the visitor result
 	 */
 	T visitIfStatement(SimpleJavaParser.IfStatementContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#elseIfStatement}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitElseIfStatement(SimpleJavaParser.ElseIfStatementContext ctx);
 	/**
 	 * Visit a parse tree produced by {@link SimpleJavaParser#elseStatement}.
 	 * @param ctx the parse tree

src/main/java/parser/grammar/SimpleJava.g4

@@ -6,9 +6,9 @@ program: classDeclaration+;
 classDeclaration: AccessModifier? 'class' Identifier OpenCurlyBracket memberDeclaration* ClosedCurlyBracket;
 memberDeclaration: constructorDeclaration | fieldDeclaration | methodDeclaration;
 
-constructorDeclaration: AccessModifier? Identifier OpenRoundBracket parameterList? ClosedRoundBracket block;
+constructorDeclaration: AccessModifier? Identifier OpenRoundBracket parameterList? ClosedRoundBracket blockStatement;
 fieldDeclaration: AccessModifier? type Identifier Semicolon;
-methodDeclaration: MainMethodDeclaration block | AccessModifier? (type | Void) Identifier OpenRoundBracket parameterList? ClosedRoundBracket block;
+methodDeclaration: MainMethodDeclaration blockStatement | AccessModifier? (type | Void) Identifier OpenRoundBracket parameterList? ClosedRoundBracket blockStatement;
 
 parameterList: parameter (Comma parameter)*;
 parameter: type Identifier;
@@ -17,23 +17,26 @@ argumentList: (expression (Comma expression)*)?;
 // Anweisungen
 statement: returnStatement Semicolon
          | localVariableDeclaration Semicolon
-         | block
+         | blockStatement
          | whileStatement
+         | doWhileStatement
          | forStatement
          | ifElseStatement
          | statementExpression Semicolon;
 
-block: OpenCurlyBracket statement* ClosedCurlyBracket;
+blockStatement: OpenCurlyBracket statement* ClosedCurlyBracket;
 
 returnStatement: Return (expression)?;
 localVariableDeclaration: type Identifier (Assign expression)?;
 
-whileStatement: While OpenRoundBracket expression ClosedRoundBracket block;
-forStatement: For OpenRoundBracket (statementExpression | localVariableDeclaration) Semicolon (expression)? Semicolon (statementExpression)? ClosedRoundBracket block;
+whileStatement: While OpenRoundBracket expression ClosedRoundBracket blockStatement;
+doWhileStatement: Do blockStatement While OpenRoundBracket expression ClosedRoundBracket Semicolon;
+forStatement: For OpenRoundBracket (statementExpression | localVariableDeclaration) Semicolon (expression)? Semicolon (statementExpression)? ClosedRoundBracket blockStatement;
 
-ifElseStatement: ifStatement elseStatement*;
-ifStatement: If OpenRoundBracket expression ClosedRoundBracket block;
-elseStatement: Else block;
+ifElseStatement: ifStatement elseIfStatement* elseStatement?;
+ifStatement: If OpenRoundBracket expression ClosedRoundBracket blockStatement;
+elseIfStatement: Else If OpenRoundBracket expression ClosedRoundBracket blockStatement;
+elseStatement: Else blockStatement;
 
 statementExpression: assign | newDeclaration | methodCall | crementExpression;
 assign: assignableExpression Assign expression;
@@ -144,6 +147,7 @@ Comma: ',';
 Class: 'class';
 This: 'this';
 While: 'while';
+Do: 'do';
 If: 'if';
 Else: 'else';
 For: 'for';

src/main/java/semantic/SemanticAnalyzer.java

@@ -7,22 +7,21 @@ import java.util.List;
 import java.util.Objects;
 
 import ast.*;
-import ast.block.BlockNode;
-import ast.expression.IExpressionNode;
-import ast.expression.binaryexpression.*;
-import ast.expression.unaryexpression.UnaryExpressionNode;
-import ast.member.*;
-import ast.parameter.ParameterNode;
-import ast.statement.*;
-import ast.statement.ifstatement.ElseStatementNode;
-import ast.statement.ifstatement.IfElseStatementNode;
-import ast.statement.ifstatement.IfStatementNode;
-import ast.statement.statementexpression.AssignStatementExpressionNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
-import ast.statement.statementexpression.crementExpression.DecrementExpressionNode;
-import ast.statement.statementexpression.crementExpression.IncrementExpressionNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
+import ast.expressions.IExpressionNode;
+import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.UnaryNode;
+import ast.members.ConstructorNode;
+import ast.members.FieldNode;
+import ast.members.MemberNode;
+import ast.members.MethodNode;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statements.*;
 import ast.type.type.*;
 import semantic.context.Context;
 import semantic.exceptions.*;
@@ -174,12 +173,12 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(IfStatementNode toCheck) {
+    public TypeCheckResult analyze(IfNode toCheck) {
         return new TypeCheckResult(true, null);
     }
 
     @Override
-    public TypeCheckResult analyze(ReturnStatementNode toCheck) {
+    public TypeCheckResult analyze(ReturnNode toCheck) {
 
         if(toCheck.expression != null){
             var result = toCheck.expression.accept(this);
@@ -191,7 +190,7 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(WhileStatementNode toCheck) {
+    public TypeCheckResult analyze(WhileNode toCheck) {
         return null;
     }
 
@@ -219,24 +218,24 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(AssignableExpressionNode toCheck) {
+    public TypeCheckResult analyze(AssignableNode toCheck) {
         return new TypeCheckResult(true, currentFields.get(toCheck.identifier));
 
     }
 
     @Override
-    public TypeCheckResult analyze(ElseStatementNode toCheck) {
+    public TypeCheckResult analyze(ElseNode toCheck) {
         return null;
     }
 
-    @Override
-    public TypeCheckResult analyze(ForStatementNode toCheck) {
+    /*@Override
+    public TypeCheckResult analyze(ForNode toCheck) {
         return null;
-    }
+    }*/
 
     @Override
-    public TypeCheckResult analyze(AssignStatementExpressionNode toCheck) {
-        AssignableExpressionNode assignable = toCheck.assignable;
+    public TypeCheckResult analyze(AssignNode toCheck) {
+        AssignableNode assignable = toCheck.assignable;
         var oldNullType = currentNullType;
         currentNullType = currentFields.get(toCheck.assignable.identifier);
         IExpressionNode rExpression = toCheck.expression;
@@ -274,17 +273,17 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(DecrementExpressionNode toCheck) {
+    public TypeCheckResult analyze(DecrementNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(IfElseStatementNode toCheck) {
+    public TypeCheckResult analyze(IfElseNode toCheck) {
         return new TypeCheckResult(true, null);
     }
 
     @Override
-    public TypeCheckResult analyze(MethodCallStatementExpressionNode toCheck) {
+    public TypeCheckResult analyze(MethodCallNode toCheck) {
         return null;
     }
 
@@ -316,22 +315,22 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(NewDeclarationStatementExpressionNode toCheck) {
+    public TypeCheckResult analyze(NewDeclarationNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(IncrementExpressionNode toCheck) {
+    public TypeCheckResult analyze(IncrementNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(BinaryExpressionNode toCheck) {
+    public TypeCheckResult analyze(BinaryNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(CalculationExpressionNode calcNode) {
+    public TypeCheckResult analyze(CalculationNode calcNode) {
         if (calcNode.calculationExpression != null) {
             calcNode.calculationExpression.accept(this);
         }
@@ -339,22 +338,22 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(DotExpressionNode toCheck) {
+    public TypeCheckResult analyze(DotNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(DotSubstractionExpressionNode toCheck) {
+    public TypeCheckResult analyze(DotSubstractionNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(NonCalculationExpressionNode toCheck) {
+    public TypeCheckResult analyze(NonCalculationNode toCheck) {
         return null;
     }
 
     @Override
-    public TypeCheckResult analyze(UnaryExpressionNode unary) {
+    public TypeCheckResult analyze(UnaryNode unary) {
         var valid = true;
 
         if (currentScope.contains(unary.identifier)) {

src/main/java/semantic/SemanticVisitor.java

@@ -1,20 +1,17 @@
 package semantic;
 
-
 import ast.*;
-import ast.block.BlockNode;
-import ast.expression.binaryexpression.*;
-import ast.expression.unaryexpression.UnaryExpressionNode;
-import ast.member.*;
-import ast.parameter.ParameterNode;
-import ast.statement.*;
-import ast.statement.ifstatement.*;
-import ast.statement.statementexpression.AssignStatementExpressionNode;
-import ast.statement.statementexpression.AssignableExpressionNode;
-import ast.statement.statementexpression.NewDeclarationStatementExpressionNode;
-import ast.statement.statementexpression.crementExpression.DecrementExpressionNode;
-import ast.statement.statementexpression.crementExpression.IncrementExpressionNode;
-import ast.statement.statementexpression.methodcallstatementnexpression.MethodCallStatementExpressionNode;
+import ast.expressions.binaryexpressions.*;
+import ast.expressions.unaryexpressions.UnaryNode;
+import ast.members.*;
+import ast.parameters.ParameterNode;
+import ast.statementexpressions.AssignNode;
+import ast.statementexpressions.AssignableNode;
+import ast.statementexpressions.NewDeclarationNode;
+import ast.statementexpressions.crementexpressions.DecrementNode;
+import ast.statementexpressions.crementexpressions.IncrementNode;
+import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
+import ast.statements.*;
 import typechecker.TypeCheckResult;
 
 public interface SemanticVisitor {
@@ -27,46 +24,46 @@ public interface SemanticVisitor {
 
     TypeCheckResult analyze(FieldNode toCheck);
 
-    TypeCheckResult analyze(IfStatementNode toCheck);
+    TypeCheckResult analyze(IfNode toCheck);
 
-    TypeCheckResult analyze(ReturnStatementNode toCheck);
+    TypeCheckResult analyze(ReturnNode toCheck);
 
-    TypeCheckResult analyze(WhileStatementNode toCheck);
+    TypeCheckResult analyze(WhileNode toCheck);
 
     TypeCheckResult analyze(ParameterNode toCheck);
 
     TypeCheckResult analyze(BlockNode toCheck);
 
-    TypeCheckResult analyze(AssignableExpressionNode toCheck);
+    TypeCheckResult analyze(AssignableNode toCheck);
 
-    TypeCheckResult analyze(ElseStatementNode toCheck);
+    TypeCheckResult analyze(ElseNode toCheck);
 
-    TypeCheckResult analyze(ForStatementNode toCheck);
+    //TypeCheckResult analyze(ForNode toCheck);
 
-    TypeCheckResult analyze(AssignStatementExpressionNode toCheck);
+    TypeCheckResult analyze(AssignNode toCheck);
 
-    TypeCheckResult analyze(DecrementExpressionNode toCheck);
+    TypeCheckResult analyze(DecrementNode toCheck);
 
-    TypeCheckResult analyze(IfElseStatementNode toCheck);
+    TypeCheckResult analyze(IfElseNode toCheck);
 
-    TypeCheckResult analyze(MethodCallStatementExpressionNode toCheck);
+    TypeCheckResult analyze(MethodCallNode toCheck);
 
     TypeCheckResult analyze(LocalVariableDeclarationNode toCheck);
 
-    TypeCheckResult analyze(NewDeclarationStatementExpressionNode toCheck);
+    TypeCheckResult analyze(NewDeclarationNode toCheck);
 
-    TypeCheckResult analyze(IncrementExpressionNode toCheck);
+    TypeCheckResult analyze(IncrementNode toCheck);
 
-    TypeCheckResult analyze(BinaryExpressionNode toCheck);
+    TypeCheckResult analyze(BinaryNode toCheck);
 
-    TypeCheckResult analyze(CalculationExpressionNode toCheck);
+    TypeCheckResult analyze(CalculationNode toCheck);
 
-    TypeCheckResult analyze(DotExpressionNode toCheck);
+    TypeCheckResult analyze(DotNode toCheck);
 
-    TypeCheckResult analyze(DotSubstractionExpressionNode toCheck);
+    TypeCheckResult analyze(DotSubstractionNode toCheck);
 
-    TypeCheckResult analyze(NonCalculationExpressionNode toCheck);
+    TypeCheckResult analyze(NonCalculationNode toCheck);
 
-    TypeCheckResult analyze(UnaryExpressionNode toCheck);
+    TypeCheckResult analyze(UnaryNode toCheck);
 
 }

src/main/java/semantic/context/ClassContext.java

@@ -1,7 +1,7 @@
 package semantic.context;
 
 import ast.ClassNode;
-import ast.member.FieldNode;
+import ast.members.FieldNode;
 import java.util.HashMap;
 
 public class ClassContext {

src/main/java/semantic/context/FieldContext.java

@@ -1,6 +1,6 @@
 package semantic.context;
 
-import ast.member.FieldNode;
+import ast.members.FieldNode;
 import ast.type.*;
 import ast.type.type.*;
 

src/main/resources/input/CompilerInput.java

@@ -1,16 +1,14 @@
-public class CompilerInput {
-
-    public int a;
-
-    public static int testMethod(char x){
-        return 0;
-    }
-
-    public class Test {
-
-        public static int testMethod(char x, int a){
-            return 0;
-        }
+public class Compiler {
+    public int add(int i, int j) {
+        return i+j;
+    }
+}
+
+public class Node {
+    public void main() {
+        Compiler compiler = new Compiler();
+        int i = compiler.add(5, 8);
+        return i;
     }
 }
 

src/test/java/semantic/Mocker.java

@@ -1,10 +1,9 @@
 package semantic;
 
 import ast.*;
-import ast.block.BlockNode;
-import ast.member.FieldNode;
-import ast.member.MethodNode;
-import ast.parameter.ParameterNode;
+import ast.members.FieldNode;
+import ast.members.MethodNode;
+import ast.parameters.ParameterNode;
 import ast.type.AccessModifierNode;
 import ast.type.type.*;
 
@@ -43,7 +42,7 @@ public class Mocker {
         //Statements
 
         //Block
-        methodNode.block = new BlockNode();
+        methodNode.block = new ast.statements.BlockNode();
 
         c.members.add(methodNode);
 
@@ -58,7 +57,7 @@ public class Mocker {
         ClassNode c = new ClassNode();
 
         MethodNode methodNode = new MethodNode();
-        methodNode.block = new BlockNode();
+        methodNode.block = new ast.statements.BlockNode();
         methodNode.setType(new BaseType(TypeEnum.INT));
 
         methodNode.setIdentifier("testMethod");
@@ -66,7 +65,7 @@ public class Mocker {
         c.members.add(methodNode);
 
         MethodNode methodNode1 = new MethodNode();
-        methodNode1.block = new BlockNode();
+        methodNode1.block = new ast.statements.BlockNode();
         methodNode1.setType(new BaseType(TypeEnum.INT));
 
         methodNode1.setIdentifier("testMethod");
@@ -84,13 +83,13 @@ public class Mocker {
         ClassNode c = new ClassNode();
 
         MethodNode methodNode = new MethodNode();
-        methodNode.block = new BlockNode();
+        methodNode.block = new ast.statements.BlockNode();
         methodNode.setIdentifier("testMethod");
 
         c.members.add(methodNode);
 
         MethodNode methodNode1 = new MethodNode();
-        methodNode1.block = new BlockNode();
+        methodNode1.block = new ast.statements.BlockNode();
         methodNode1.setIdentifier("testMethod1");
 
         c.members.add(methodNode1);