chore: resolve minor code issues in debug info parser

jadx-core/src/main/java/jadx/core/dex/visitors/debuginfo/DebugInfoParseVisitor.java

@@ -17,7 +17,7 @@ import jadx.core.dex.visitors.JadxVisitor;
 import jadx.core.dex.visitors.blocksmaker.BlockSplitter;
 import jadx.core.dex.visitors.ssa.SSATransform;
 import jadx.core.utils.ErrorsCounter;
-import jadx.core.utils.exceptions.DecodeException;
+import jadx.core.utils.Utils;
 import jadx.core.utils.exceptions.JadxException;
 
 @JadxVisitor(
@@ -40,11 +40,13 @@ public class DebugInfoParseVisitor extends AbstractVisitor {
 				processDebugInfo(mth, debugOffset);
 			}
 		} catch (Exception e) {
-			LOG.error("Error to parse debug info: {}", ErrorsCounter.formatMsg(mth, e.getMessage()), e);
+			mth.addComment("JADX WARNING: Error to parse debug info: "
+					+ ErrorsCounter.formatMsg(mth, e.getMessage())
+					+ '\n' + Utils.getStackTrace(e));
 		}
 	}
 
-	private void processDebugInfo(MethodNode mth, int debugOffset) throws DecodeException {
+	private void processDebugInfo(MethodNode mth, int debugOffset) {
 		InsnNode[] insnArr = mth.getInstructions();
 		DebugInfoParser debugInfoParser = new DebugInfoParser(mth, debugOffset, insnArr);
 		List<LocalVar> localVars = debugInfoParser.process();
@@ -107,8 +109,8 @@ public class DebugInfoParseVisitor extends AbstractVisitor {
 				int line = insn.getSourceLine();
 				if (line != 0) {
 					mth.setSourceLine(line - 1);
+					return;
 				}
-				return;
 			}
 		}
 	}

jadx-core/src/main/java/jadx/core/dex/visitors/debuginfo/DebugInfoParser.java

@@ -10,7 +10,6 @@ import jadx.core.dex.instructions.args.RegisterArg;
 import jadx.core.dex.nodes.DexNode;
 import jadx.core.dex.nodes.InsnNode;
 import jadx.core.dex.nodes.MethodNode;
-import jadx.core.utils.exceptions.DecodeException;
 
 public class DebugInfoParser {
 	private static final int DBG_END_SEQUENCE = 0x00;
@@ -50,7 +49,7 @@ public class DebugInfoParser {
 		this.insnByOffset = insnByOffset;
 	}
 
-	public List<LocalVar> process() throws DecodeException {
+	public List<LocalVar> process() {
 		boolean varsInfoFound = false;
 		resultList = new ArrayList<>();
 
@@ -142,15 +141,11 @@ public class DebugInfoParser {
 				}
 
 				default: {
-					if (c >= DBG_FIRST_SPECIAL) {
-						int adjustedOpCode = c - DBG_FIRST_SPECIAL;
-						int addrInc = adjustedOpCode / DBG_LINE_RANGE;
-						addr = addrChange(addr, addrInc, line);
-						line += DBG_LINE_BASE + adjustedOpCode % DBG_LINE_RANGE;
-						setLine(addr, line);
-					} else {
-						throw new DecodeException("Unknown debug insn code: " + c);
-					}
+					int adjustedOpCode = c - DBG_FIRST_SPECIAL;
+					int addrInc = adjustedOpCode / DBG_LINE_RANGE;
+					addr = addrChange(addr, addrInc, line);
+					line += DBG_LINE_BASE + adjustedOpCode % DBG_LINE_RANGE;
+					setLine(addr, line);
 					break;
 				}
 			}