RoleRag with added EmptyDeclaration

settings.gradle

@@ -4,7 +4,7 @@ pluginManagement {
     }
 }
 
-rootProject.name = 'abstract_type_navigation_generator'
+rootProject.name = 'RoleRag'
 
 include 'relast.preprocessor'
 

src/main/jastadd/AddEmptyDeclaration.jrag

+aspect AddEmptyDeclaration {
+  syn GrammarFile GrammarFile.addEmptyDecl() {
+
+    Declaration emptyDecl = new EmptyDeclaration();
+    SingleLineComment slc = new SingleLineComment();
+    slc.setText("// DO NOT EDIT. Automatically generated using RoleAST.jar");
+    emptyDecl.addComment(slc);
+
+    JastAddList declList = new JastAddList();
+    declList.add(emptyDecl);
+    for (Declaration decl : this.getDeclarationList()) {
+      declList.add(decl);
+    }
+
+    this.setDeclarationList(declList);
+
+    //this.addDeclaration(emptyDecl);
+    return this;
+  }
+}

src/main/java/org/jastadd/preprocessor/Main.java

@@ -4,11 +4,13 @@ import org.jastadd.option.BooleanOption;
 import org.jastadd.option.ValueOption;
 import org.jastadd.relast.ast.Document;
 import org.jastadd.relast.ast.Program;
+import org.jastadd.relast.ast.GrammarFile;
 import org.jastadd.relast.compiler.CompilerException;
 
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 
 import static org.jastadd.relast.compiler.Mustache.javaMustache;
 
@@ -23,7 +25,7 @@ public class Main extends org.jastadd.relast.compiler.RelAstProcessor {
   protected BooleanOption optionPrintYaml;
 
   public Main() {
-    super("Abstract Type Navigation Generator", false);
+    super("RoleRag", false);
   }
 
   public static void main(String[] args) {
@@ -101,6 +103,14 @@ public class Main extends org.jastadd.relast.compiler.RelAstProcessor {
       throw new CompilerException("Unable to expand template", e);
     }
 
+    for (GrammarFile grammarFile : program.getGrammarFileList()) {
+      printMessage("Writing output file " + grammarFile.getFileName());
+      // TODO decide and document what the file name should be, the full path or a simple name?
+      grammarFile.addEmptyDecl();
+      writeToFile(outputBasePath.resolve(inputBasePath.relativize(Paths.get(grammarFile.getFileName()))), grammarFile.generateAbstractGrammar());
+    }
+
+
     return 0;
   }
 }

src/test/resources/AddEmptyDeclaration/config.yaml

+- name: "AddEmptyDeclaration (null)"
+  out: "out"
+  args:
+    - "--inputBaseDir=in"
+    - "--outputBaseDir=out"
+    - "--errorHandling=null"
+    - "Example.relast"
+    - "EmptyDeclaration.relast"

src/test/resources/AddEmptyDeclaration/in/EmptyDeclaration.relast

+// DO NOT EDIT. Automatically generated using RoleAST.jar

src/test/resources/AddEmptyDeclaration/in/Example.relast

+
+
+StateMachine ::= Element*;
+abstract Element ::= <Label:String>;
+State : Element ::=;
+Transition : Element ::=;
+
+rel StateMachine.initial -> State;
+rel StateMachine.final* -> State;
+rel State.outgoing* <-> Transition.from;
+rel State.incoming* <-> Transition.to;