better error handling

src/main/java/com/rusefi/can/reader/CANLineReader.java

@@ -41,7 +41,11 @@ public interface CANLineReader {
         return readLine(line, "no-file-name");
     }
 
-    CANPacket readLine(String line, String fileName);
+    default CANPacket readLine(String line, String fileName) {
+        return readLine(line, fileName, -1);
+    }
+
+    CANPacket readLine(String line, String fileName, int lineIndex);
 
     default List<CANPacket> readFile(String fileName) throws IOException {
         return skipHeaderAndRead(fileName, 0);

src/main/java/com/rusefi/can/reader/impl/CANoeReader.java

@@ -10,7 +10,7 @@ public enum CANoeReader implements CANLineReader {
     INSTANCE;
 
     @Override
-    public CANPacket readLine(String line, String fileName) {
+    public CANPacket readLine(String line, String fileName, int lineIndex) {
         if (line.contains("ErrorFrame"))
             return null;
         String[] tokens = line.trim().split("\\s+");

src/main/java/com/rusefi/can/reader/impl/CanHackerReader.java

@@ -18,7 +18,7 @@ public enum CanHackerReader implements CANLineReader {
     INSTANCE;
 
     @Override
-    public CANPacket readLine(String line, String fileName) {
+    public CANPacket readLine(String line, String fileName, int lineIndex) {
         line = line.trim();
         if (line.startsWith("@"))
             return null;

src/main/java/com/rusefi/can/reader/impl/PcanAutoReader.java

@@ -19,8 +19,8 @@ public class PcanAutoReader implements CANLineReader {
     }
 
     @Override
-    public CANPacket readLine(String line, String fileName) {
-        return delegate.readLine(line, fileName);
+    public CANPacket readLine(String line, String fileName, int lineIndex) {
+        return delegate.readLine(line, fileName, lineIndex);
     }
 
     @Override

src/main/java/com/rusefi/can/reader/impl/PcanTrcReader1_1.java

@@ -13,13 +13,15 @@ public class PcanTrcReader1_1 implements CANLineReader {
     public static final CANLineReader INSTANCE = new PcanTrcReader1_1();
 
     @Override
-    public CANPacket readLine(String line, String fileName) {
+    public CANPacket readLine(String line, String fileName, int lineIndex) {
         line = line.trim();
         if (line.startsWith(FILEVERSION) && !line.startsWith(FILEVERSION + "=1.1"))
             throw new IllegalStateException("Unexpected fileversion " + line);
         if (line.startsWith(";"))
             return null;
         String[] tokens = line.split("\\s+");
+        if (tokens.length < 2)
+            throw new IllegalStateException("Unexpected token count in [" + line + "]@" + lineIndex);
         double timeStamp = Double.parseDouble(tokens[1]);
 
         int sid = Integer.parseInt(tokens[3], 16);

src/main/java/com/rusefi/can/reader/impl/PcanTrcReader2_0.java

@@ -13,7 +13,7 @@ public enum PcanTrcReader2_0 implements CANLineReader {
     public static final String FILEVERSION = ";$FILEVERSION";
 
     @Override
-    public CANPacket readLine(String line, String fileName) {
+    public CANPacket readLine(String line, String fileName, int lineIndex) {
         line = line.trim();
         if (line.startsWith(FILEVERSION) && !line.startsWith(FILEVERSION + "=2.0"))
             throw new IllegalStateException("Unexpected fileversion " + line + " in " + fileName);