Adapt to interface changes

jplag.frontend.scala/src/main/scala/de/jplag/scala/Language.scala

@@ -1,12 +1,12 @@
 package de.jplag.scala
 
-import de.jplag.{ErrorConsumer, TokenList}
+import de.jplag.TokenList
 
 import java.io.File
 
 
-class Language(val consumer: ErrorConsumer) extends de.jplag.Language {
-  private val parser = new Parser(consumer)
+class Language extends de.jplag.Language {
+  private val parser = new Parser
   private final val fileExtensions = Array(".scala")
 
   override def suffixes: Array[String] = fileExtensions
@@ -25,7 +25,5 @@ class Language(val consumer: ErrorConsumer) extends de.jplag.Language {
 
   override def isPreformatted = true
 
-  override def usesIndex = false
-
-  override def numberOfTokens: Int = ScalaTokenConstants.maxId
+  def numberOfTokens: Int = ScalaTokenConstants.maxId
 }

jplag.frontend.scala/src/main/scala/de/jplag/scala/Parser.scala

@@ -1,13 +1,13 @@
 package de.jplag.scala
 
 import de.jplag.scala.ScalaTokenConstants._
-import de.jplag.{AbstractParser, ErrorConsumer, TokenList}
+import de.jplag.{AbstractParser, TokenList}
 
 import java.io.File
 import scala.meta._
 
 
-class Parser(consumer: ErrorConsumer) extends AbstractParser(consumer) {
+class Parser extends AbstractParser {
     private var currentFile : String = _
 
     var tokens : TokenList = _

jplag.frontend.scala/src/test/java/de/jplag/scala/ScalaFrontendTest.java

@@ -1,6 +1,13 @@
 package de.jplag.scala;
 
-import static org.junit.jupiter.api.Assertions.fail;
+import de.jplag.Token;
+import de.jplag.TokenConstants;
+import de.jplag.TokenList;
+import de.jplag.TokenPrinter;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
@@ -12,16 +19,7 @@ import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 import java.util.stream.StreamSupport;
 
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import de.jplag.Token;
-import de.jplag.TokenConstants;
-import de.jplag.TokenList;
-import de.jplag.TokenPrinter;
-import de.jplag.testutils.TestErrorConsumer;
+import static org.junit.jupiter.api.Assertions.fail;
 
 class ScalaFrontendTest {
 
@@ -48,20 +46,19 @@ class ScalaFrontendTest {
     private static final int NOT_SET = -1;
 
     private final Logger logger = LoggerFactory.getLogger("Scala frontend test");
-    private final String[] testFiles = new String[] {"Complete.scala", "Parser.scala"};
+    private final String[] testFiles = new String[]{"Complete.scala", "Parser.scala"};
     private final File testFileLocation = Path.of("src", "test", "resources", "de", "jplag", "scala").toFile();
     private Language language;
 
     @BeforeEach
     void setup() {
-        TestErrorConsumer consumer = new TestErrorConsumer();
-        language = new Language(consumer);
+        language = new Language();
     }
 
     @Test
     void parseTestFiles() {
         for (String fileName : testFiles) {
-            TokenList tokens = language.parse(testFileLocation, new String[] {fileName});
+            TokenList tokens = language.parse(testFileLocation, new String[]{fileName});
             String output = TokenPrinter.printTokens(tokens, testFileLocation, List.of(fileName));
             logger.info(output);
 
@@ -91,8 +88,9 @@ class ScalaFrontendTest {
 
     /**
      * Confirms that the code is covered to a basic extent, i.e. each line of code contains at least one token.
+     *
      * @param fileName a code sample file name
-     * @param tokens the TokenList generated from the sample
+     * @param tokens   the TokenList generated from the sample
      */
     private void testSourceCoverage(String fileName, TokenList tokens) {
         File testFile = new File(testFileLocation, fileName);
@@ -127,6 +125,7 @@ class ScalaFrontendTest {
 
     /**
      * Gets the line numbers of lines containing actual code, omitting empty lines and comment lines.
+     *
      * @param lines lines of a code file
      * @return an array of the line numbers of code lines
      */
@@ -159,7 +158,8 @@ class ScalaFrontendTest {
 
     /**
      * Confirms that all Token types are 'reachable' with a complete code example.
-     * @param tokens TokenList which is supposed to contain all types of tokens
+     *
+     * @param tokens   TokenList which is supposed to contain all types of tokens
      * @param fileName The file name of the complete code example
      */
     private void testTokenCoverage(TokenList tokens, String fileName) {