Finish migration to new visitor

src/main/java/org/refactoringminer/astDiff/matchers/statement/LeafMatcher.java

@@ -146,6 +146,7 @@ public MoveOptimizedIsomorphic() {
 							mappings.addMappingRecursively(src,dst);
 						return mappings;
 					}
+					, new IdenticalSubtreeMatcherThetaA()
 					, new LcsOptMatcherThetaB()
 					, new UnmappedLeavesMatcherThetaC()
 					, new InnerNodesMatcherThetaD()

src/main/java/org/refactoringminer/astDiff/matchers/vanilla/MissingIdenticalSubtree.java

@@ -135,6 +135,10 @@ else if (src.getType().name.equals(Constants.CLASS_INSTANCE_CREATION))
                 ret =  true;
             else if (src.getType().name.equals(Constants.IMPORT_DECLARATION))
                 ret = true;
+            else if (TreeUtilFunctions.isPartOf(src, Constants.JAVA_DOC))
+                ret = true;
+            else if(src.getType().name.equals(Constants.LINE_COMMENT) || src.getType().name.equals(Constants.BLOCK_COMMENT))
+                ret = true;
             else {
                 ret = false;
             }

src/main/java/org/refactoringminer/astDiff/utils/MappingExportModel.java

@@ -193,6 +193,10 @@ public static String exportString(Iterable<Mapping> mappings) throws JsonProcess
     public static void exportToFile(File outputFile, Iterable<Mapping> mappings) throws IOException {
         List<MappingExportModel> mappingExportModels = exportModelList(mappings);
         ObjectMapper objectMapper = new ObjectMapper();
+        if (!outputFile.exists()) {
+            outputFile.getParentFile().mkdirs();
+            outputFile.createNewFile();
+        }
         objectMapper.writerWithDefaultPrettyPrinter().writeValue(outputFile, mappingExportModels);
     }
 

src/main/java/org/refactoringminer/astDiff/utils/TreeUtilFunctions.java

@@ -213,6 +213,12 @@ public static void writeTree(Tree tree, String filePath) {
 			throw new RuntimeException(e);
 		}
 	}
+	public static boolean isPartOf(Tree srcSubTree, String type) {
+		if (srcSubTree.getType().name.equals(type))
+			return true;
+		if (srcSubTree.getParent() == null) return false;
+		return isPartOf(srcSubTree.getParent(), type);
+	}
 
 	public static boolean isStatement(String type){
 		switch (type){

src/test/java/org/refactoringminer/astDiff/utils/dataset/runners/AddCommand.java

@@ -30,7 +30,7 @@ public class AddCommand extends BaseCommand {
             required = false)
     private Set<String> files;
 
-    @Parameter(names = "-snapshot", description = "Snapshot option", required = false)
+    @Parameter(names = "--snapshot", description = "Snapshot option", required = false)
     private boolean isSnapshot;
 
     public boolean isSnapshot() {