add printStackTrace() inserter

src/me/nov/threadtear/execution/tools/LogAllExceptions.java

@@ -0,0 +1,37 @@
+package me.nov.threadtear.execution.tools;
+
+import java.util.List;
+import java.util.Map;
+
+import org.objectweb.asm.tree.AbstractInsnNode;
+import org.objectweb.asm.tree.InsnNode;
+import org.objectweb.asm.tree.MethodInsnNode;
+
+import me.nov.threadtear.execution.Clazz;
+import me.nov.threadtear.execution.Execution;
+import me.nov.threadtear.execution.ExecutionCategory;
+import me.nov.threadtear.execution.ExecutionTag;
+import me.nov.threadtear.util.asm.Instructions;
+
+public class LogAllExceptions extends Execution {
+
+	public LogAllExceptions() {
+		super(ExecutionCategory.TOOLS, "Log all exceptions", "Adds .printStackTrace() in every try catch block handler.", ExecutionTag.RUNNABLE);
+	}
+
+	@Override
+	public boolean execute(Map<String, Clazz> classes, boolean verbose) {
+		classes.values().stream().map(c -> c.node.methods).flatMap(List::stream).forEach(m -> {
+			if (m.tryCatchBlocks == null)
+				return;
+			m.tryCatchBlocks.forEach(tcb -> {
+				AbstractInsnNode handler = Instructions.getRealNext(tcb.handler);
+				m.instructions.insertBefore(handler, new InsnNode(DUP));
+				m.instructions.insertBefore(handler, new MethodInsnNode(INVOKEVIRTUAL, "java/lang/Throwable", "printStackTrace", "()V"));
+			});
+			m.maxStack = Math.max(m.maxStack, 2);
+		});
+		logger.info("Inserted .printStackTrace() in every catch block!");
+		return true;
+	}
+}

src/me/nov/threadtear/swing/dialog/ExecutionSelection.java

@@ -41,6 +41,7 @@
 import me.nov.threadtear.execution.tools.IsolatePossiblyMalicious;
 import me.nov.threadtear.execution.tools.Java7Compatibility;
 import me.nov.threadtear.execution.tools.Java8Compatibility;
+import me.nov.threadtear.execution.tools.LogAllExceptions;
 import me.nov.threadtear.execution.zkm.AccessObfusationZKM;
 import me.nov.threadtear.execution.zkm.StringObfuscationZKM;
 import me.nov.threadtear.execution.zkm.TryCatchObfuscationRemover;
@@ -129,6 +130,7 @@ public ExecutionSelectionTree() {
 			addExecution(root, new Java8Compatibility());
 			addExecution(root, new IsolatePossiblyMalicious());
 			addExecution(root, new AddLineNumbers());
+			addExecution(root, new LogAllExceptions());
 
 			this.setModel(model);
 			ToolTipManager.sharedInstance().registerComponent(this);