MathPrettyPrinter can print the individual statements of a script now

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

@@ -27,18 +27,36 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
     protected final IndentPrinter printer;
     protected boolean importVisited;
     protected boolean inMatrixEnvironment;
+    protected boolean internal;
 
-    public MathPrettyPrinter() {
+    public MathPrettyPrinter(boolean internal, int spacing) {
         this.printer = new IndentPrinter();
-        this.printer.setIndentLength(4);
+        this.printer.setIndentLength(spacing);
         this.importVisited = false;
         this.inMatrixEnvironment = false;
+        this.internal = internal;
+    }
+
+    public MathPrettyPrinter(boolean internal)
+    {
+        this(internal, 4);
+    }
+
+    public MathPrettyPrinter()
+    {
+        this(false,4);
     }
 
     @Override
     public String prettyPrint(ASTMathCompilationUnit node) {
         this.printer.clearBuffer();
+
+        if(internal) {
+            this.printStatements(node);
+        }
+        else {
             this.handle(node);
+        }
 
         return this.printer.getContent();
     }
@@ -50,6 +68,16 @@ public class MathPrettyPrinter implements AstPrettyPrinter<ASTMathCompilationUni
         return this.printer.getContent();
     }
 
+    protected void printStatements(ASTMathCompilationUnit node)
+    {
+        List<ASTStatement> statements = node.getMathScript().getStatementsList();
+
+        for(ASTStatement statement: statements)
+        {
+            statement.accept(this);
+        }
+    }
+
     protected void printSpace() {
         this.printer.print(" ");
     }

src/test/java/de/monticore/lang/monticar/mpp/models/StatementsOnlyTest.java

+package de.monticore.lang.monticar.mpp.models;
+
+import de.monticore.lang.monticar.mpp.montimath.MathPrettyPrinter;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.IOException;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class StatementsOnlyTest extends AbstractModelTest {
+
+    @Test
+    @Ignore
+    public void printTest3() throws IOException
+    {
+        this.printer = new MathPrettyPrinter(true);
+        System.out.println(printVanillaModel("Nested.m"));
+    }
+
+    @Test
+    public void testModel3() throws IOException
+    {
+        this.printer = new MathPrettyPrinter(true);
+        String actual = printVanillaModel("Nested.m");
+        String expected =
+                "Q sum = 1;\n" +
+                "for i = 1:2:9\n" +
+                "    if i < 2\n" +
+                "        sum -= sum * i;\n" +
+                "    elseif i < 4\n" +
+                "        sum += sum * i;\n" +
+                "    else\n" +
+                "        for j = 1:2:6\n" +
+                "            sum += sum * (i - j);\n" +
+                "        end\n" +
+                "    end\n" +
+                "end\n";
+        assertEquals(expected, actual);
+    }
+}