Reimplemented indentation

src/main/java/de/monticore/lang/monticar/mpp/montimath/MathPrettyPrinter.java

@@ -27,6 +27,7 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
 
     public MathPrettyPrinter() {
         this.printer = new IndentPrinter();
+        this.printer.setIndentLength(4);
         this.importVisited = false;
         this.inMatrixEnvironment = false;
     }
@@ -151,10 +152,13 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
         this.printScript();
         this.printSpace();
         this.printer.print(node.getName());
+        this.printer.println();
+        this.printer.indent();
     }
 
     @Override
     public void endVisit(ASTMathScript node) {
+        this.printer.unindent();
         this.printEnd();
     }
 
@@ -232,7 +236,6 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
 
     @Override
     public void visit(ASTMathForLoopHead node) {
-        this.printer.println();
         this.printFor();
         this.printSpace();
         this.printer.print(node.getName());
@@ -241,24 +244,38 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
         this.printSpace();
     }
 
+    @Override
+    public void endVisit(ASTMathForLoopHead node) {
+        this.printer.println();
+        this.printer.indent();
+    }
+
     @Override
     public void endVisit(ASTMathForLoopExpression node) {
+        this.printer.unindent();
         this.printEnd();
-        this.printSemicolon();
         this.printer.println(2);
     }
 
     @Override
     public void visit(ASTMathIfExpression node) {
-        this.printer.println();
         this.printIf();
         this.printSpace();
     }
 
+    public void revisit(ASTMathIfExpression node) {
+        this.printer.println();
+        this.printer.indent();
+    }
+
+    @Override
+    public void endVisit(ASTMathIfExpression node) {
+        this.printer.unindent();
+    }
+
     @Override
     public void endVisit(ASTMathIfStatement node) {
         this.printEnd();
-        this.printSemicolon();
         this.printer.println(2);
     }
 
@@ -296,9 +313,27 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
         this.printSpace();
     }
 
+    @Override
+    public void revisit(ASTMathElseIfExpression node) {
+        this.printer.println();
+        this.printer.indent();
+    }
+
+    @Override
+    public void endVisit(ASTMathElseIfExpression node) {
+        this.printer.unindent();
+    }
+
     @Override
     public void visit(ASTMathElseExpression node) {
         this.printElse();
+        this.printer.println();
+        this.printer.indent();
+    }
+
+    @Override
+    public void endVisit(ASTMathElseExpression node) {
+        this.printer.unindent();
     }
 
     @Override

src/main/java/de/monticore/lang/monticar/mpp/montimath/MathStructuredVisitor.java

@@ -494,4 +494,78 @@ public interface MathStructuredVisitor extends MathVisitor {
     }
 
     default void revisit(ASTMathArithmeticMatrixEELeftDivideExpression node) {}
+
+    @Override
+    default void handle(ASTMathIfExpression node) {
+        this.getRealThis().visit(node);
+        this.getRealThis().traversePartOne(node);
+        this.getRealThis().revisit(node);
+        this.getRealThis().traversePartTwo(node);
+        this.getRealThis().endVisit(node);
+    }
+
+    default void traversePartOne(ASTMathIfExpression node) {
+        if (null != node.getCondition()) {
+            node.getCondition().accept(this.getRealThis());
+        }
+    }
+
+    default void traversePartTwo(ASTMathIfExpression node) {
+        Iterator iter_bodys = node.getBodyList().iterator();
+
+        while(iter_bodys.hasNext()) {
+            ((ASTStatement)iter_bodys.next()).accept(this.getRealThis());
+        }
+    }
+
+    default void revisit(ASTMathIfExpression node)
+    {
+
+    }
+
+    @Override
+    default void handle(ASTMathElseIfExpression node) {
+        this.getRealThis().visit(node);
+        this.getRealThis().traversePartOne(node);
+        this.getRealThis().revisit(node);
+        this.getRealThis().traversePartTwo(node);
+        this.getRealThis().endVisit(node);
+    }
+
+    default void traversePartOne(ASTMathElseIfExpression node) {
+        if (null != node.getCondition()) {
+            node.getCondition().accept(this.getRealThis());
+        }
+    }
+
+    default void traversePartTwo(ASTMathElseIfExpression node) {
+        Iterator iter_bodys = node.getBodyList().iterator();
+
+        while(iter_bodys.hasNext()) {
+            ((ASTStatement)iter_bodys.next()).accept(this.getRealThis());
+        }
+    }
+
+    default void revisit(ASTMathElseIfExpression node)
+    {
+
+    }
+
+    /*@Override
+    default void handle(ASTMathElseExpression node) {
+        this.getRealThis().visit(node);
+        this.getRealThis().traversePartOne(node);
+        this.getRealThis().revisit(node);
+        this.getRealThis().traversePartTwo(node);
+        this.getRealThis().endVisit(node);
+    }
+
+    default void traverse(ASTMathElseExpression node) {
+        Iterator iter_bodys = node.getBodyList().iterator();
+
+        while(iter_bodys.hasNext()) {
+            ((ASTStatement)iter_bodys.next()).accept(this.getRealThis());
+        }
+
+    }*/
 }