List of usage examples for org.objectweb.asm Opcodes IFNE
int IFNE
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From source file:com.nginious.http.xsp.ForEachTagPart.java
License:Apache License
/** * Creates bytecode in a separate method for evaluating this for each tag part. * /*from w ww . j a v a 2s . com*/ * @param intClassName the binary class name of the class being created * @param writer the class writer * @throws XspException if unable to create bytecode */ void compileMethod(String intClassName, ClassWriter writer) throws XspException { String[] exceptions = { "com/nginious/http/xsp/XspException" }; MethodVisitor visitor = writer.visitMethod(Opcodes.ACC_PRIVATE, this.methodName, "(Lcom/nginious/http/HttpRequest;Lcom/nginious/http/HttpResponse;Ljava/lang/StringBuffer;)V", null, exceptions); visitor.visitCode(); Label tryLabel = new Label(); Label startCatchLabel = new Label(); // Start try block visitor.visitTryCatchBlock(tryLabel, startCatchLabel, startCatchLabel, "java/lang/Exception"); visitor.visitLabel(tryLabel); try { String expression = setValue.getExpressionContent(); ExpressionParser parser = new ExpressionParser(); TreeExpression expr = parser.parse(expression); if (expr.getType() != Type.ANY) { throw new XspException("Expression in attribute set in tag " + getName() + " is not an attribute or bean property " + " at line " + getLocationDescriptor()); } expr.compile(visitor, Type.ANY); visitor.visitTypeInsn(Opcodes.CHECKCAST, "java/util/Collection"); visitor.visitVarInsn(Opcodes.ASTORE, 4); } catch (ExpressionException e) { throw new XspException("Invalid expression in attribute set in tag " + getName() + " at line " + getLocationDescriptor(), e); } Label labelOut = new Label(); visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitJumpInsn(Opcodes.IFNULL, labelOut); // Start if (this.start != null) { start.compile(visitor, Type.INT); } else { visitor.visitLdcInsn((int) 0); } visitor.visitVarInsn(Opcodes.ISTORE, 5); // End if (this.end != null) { end.compile(visitor, Type.INT); } else { visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "size", "()I"); } visitor.visitVarInsn(Opcodes.ISTORE, 6); // Step if (this.step != null) { step.compile(visitor, Type.INT); } else { visitor.visitLdcInsn((int) 1); } visitor.visitVarInsn(Opcodes.ISTORE, 7); // Current pos visitor.visitLdcInsn(0); visitor.visitVarInsn(Opcodes.ISTORE, 8); visitor.visitVarInsn(Opcodes.ALOAD, 4); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "iterator", "()Ljava/util/Iterator;"); visitor.visitVarInsn(Opcodes.ASTORE, 9); Label labelStart = new Label(); // Start of loop visitor.visitLabel(labelStart); // iterator.hasNext(); visitor.visitVarInsn(Opcodes.ALOAD, 9); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z"); visitor.visitJumpInsn(Opcodes.IFEQ, labelOut); // iterator.next(); visitor.visitVarInsn(Opcodes.ALOAD, 9); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;"); visitor.visitVarInsn(Opcodes.ASTORE, 10); // pos >= start && pos <= end && (pos - start) % step == 0 Label labelIncr = new Label(); visitor.visitVarInsn(Opcodes.ILOAD, 8); visitor.visitVarInsn(Opcodes.ILOAD, 5); visitor.visitJumpInsn(Opcodes.IF_ICMPLT, labelIncr); visitor.visitVarInsn(Opcodes.ILOAD, 8); visitor.visitVarInsn(Opcodes.ILOAD, 6); visitor.visitJumpInsn(Opcodes.IF_ICMPGT, labelIncr); visitor.visitVarInsn(Opcodes.ILOAD, 8); visitor.visitVarInsn(Opcodes.ILOAD, 5); visitor.visitInsn(Opcodes.ISUB); visitor.visitVarInsn(Opcodes.ILOAD, 7); visitor.visitInsn(Opcodes.IREM); visitor.visitJumpInsn(Opcodes.IFNE, labelIncr); visitor.visitVarInsn(Opcodes.ALOAD, 1); varName.compile(visitor, Type.STRING); visitor.visitVarInsn(Opcodes.ALOAD, 10); visitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/nginious/http/HttpRequest", "setAttribute", "(Ljava/lang/String;Ljava/lang/Object;)V"); // Call sub parts for (XspPart part : this.contentParts) { part.compile(intClassName, writer, visitor); } // pos++ visitor.visitLabel(labelIncr); visitor.visitIincInsn(8, 1); visitor.visitJumpInsn(Opcodes.GOTO, labelStart); visitor.visitLabel(labelOut); visitor.visitInsn(Opcodes.RETURN); visitor.visitLabel(startCatchLabel); visitor.visitVarInsn(Opcodes.ASTORE, 3); visitor.visitTypeInsn(Opcodes.NEW, "com/nginious/http/xsp/XspException"); visitor.visitInsn(Opcodes.DUP); visitor.visitLdcInsn("Attribute set contains an invalid collection for tag " + getName() + " at " + getLocationDescriptor()); visitor.visitVarInsn(Opcodes.ALOAD, 3); visitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/nginious/http/xsp/XspException", "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V"); visitor.visitInsn(Opcodes.ATHROW); visitor.visitMaxs(11, 11); visitor.visitEnd(); }
From source file:com.retroduction.carma.transformer.asm.ror.IFEQ_2_IFNE_Transition.java
License:Open Source License
public IFEQ_2_IFNE_Transition() { super(); this.sourceInstruction = Opcodes.IFEQ; this.targetInstruction = Opcodes.IFNE; }
From source file:com.retroduction.carma.transformer.asm.ror.IFNE_2_IFEQ_Transition.java
License:Open Source License
public IFNE_2_IFEQ_Transition() { super(); this.sourceInstruction = Opcodes.IFNE; this.targetInstruction = Opcodes.IFEQ; }
From source file:com.trigersoft.jaque.expression.ExpressionMethodVisitor.java
License:Apache License
@Override public void visitJumpInsn(int opcode, Label label) { int etype;/*from w ww .ja va2 s . c o m*/ switch (opcode) { case Opcodes.GOTO: go(label); return; default: case Opcodes.JSR: throw notLambda(opcode); case Opcodes.IFEQ: etype = ExpressionType.NotEqual; // Equal pushZeroConstantOrReduce(); break; case Opcodes.IFNE: etype = ExpressionType.Equal; // NotEqual pushZeroConstantOrReduce(); break; case Opcodes.IFLT: etype = ExpressionType.GreaterThanOrEqual; // LessThan pushZeroConstantOrReduce(); break; case Opcodes.IFGE: etype = ExpressionType.LessThan; // GreaterThanOrEqual pushZeroConstantOrReduce(); break; case Opcodes.IFGT: etype = ExpressionType.LessThanOrEqual; // GreaterThan pushZeroConstantOrReduce(); break; case Opcodes.IFLE: etype = ExpressionType.GreaterThan; // LessThanOrEqual pushZeroConstantOrReduce(); break; case Opcodes.IF_ICMPEQ: case Opcodes.IF_ACMPEQ: // ?? etype = ExpressionType.NotEqual; // Equal break; case Opcodes.IF_ICMPNE: case Opcodes.IF_ACMPNE: // ?? etype = ExpressionType.Equal; // NotEqual break; case Opcodes.IF_ICMPLT: etype = ExpressionType.GreaterThanOrEqual; // LessThan break; case Opcodes.IF_ICMPGE: etype = ExpressionType.LessThan; // GreaterThanOrEqual break; case Opcodes.IF_ICMPGT: etype = ExpressionType.LessThanOrEqual; // GreaterThan break; case Opcodes.IF_ICMPLE: etype = ExpressionType.GreaterThan; // LessThanOrEqual break; case Opcodes.IFNULL: case Opcodes.IFNONNULL: Expression e = Expression.isNull(_exprStack.pop()); if (opcode == Opcodes.IFNULL) // IFNONNULL e = Expression.logicalNot(e); branch(label, e); return; } Expression second = _exprStack.pop(); Expression first = _exprStack.pop(); Expression e = Expression.binary(etype, first, second); branch(label, e); }
From source file:com.yahoo.yqlplus.engine.internal.compiler.EqualsExpression.java
private void emitNegate(MethodVisitor mv) { Label truth = new Label(); Label skip = new Label(); mv.visitJumpInsn(Opcodes.IFNE, truth); mv.visitInsn(Opcodes.ICONST_1);// www . jav a2 s. co m mv.visitJumpInsn(Opcodes.GOTO, skip); mv.visitLabel(truth); mv.visitInsn(Opcodes.ICONST_0); mv.visitLabel(skip); }
From source file:de.codesourcery.asm.util.ASMUtil.java
License:Apache License
/** * Check whether an instruction is a conditional branch operation. * // w w w.j av a 2 s .com * @param node * @return */ public static boolean isConditionalJump(AbstractInsnNode node) { if (node.getType() == AbstractInsnNode.JUMP_INSN) { switch (node.getOpcode()) { case Opcodes.IFEQ: case Opcodes.IFNE: case Opcodes.IFLT: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPNE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: case Opcodes.IFNULL: case Opcodes.IFNONNULL: return true; } } return false; }
From source file:de.dynamicfiles.projects.gradle.plugins.javafx.tasks.internal.MonkeyPatcher.java
License:Apache License
private static void doMonkeyPatchFileHandleLeak(ClassReader classReader, ClassWriter classWriter) { classReader.accept(new ClassVisitor(Opcodes.ASM5, classWriter) { @Override/*from w w w . jav a 2 s.co m*/ public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) { if (!(name.equals(METHOD_TO_MONKEY_PATCH) && desc.equals(METHOD_SIGNATURE_TO_MONKEY_PATCH))) { return super.visitMethod(access, name, desc, signature, exceptions); } // helpful source: http://web.cs.ucla.edu/~msb/cs239-tutorial/ // "We will do this using the Adapter Pattern. Adapters wrap an object, overriding some of its methods, and delegating to the others." // ugly adapter-pattern ... took me more time than I really can tell here <.< return getMonkeyPatchedFileHandleLeakMethodVisitor(access, name, desc, signature, exceptions); } private MethodVisitor getMonkeyPatchedFileHandleLeakMethodVisitor(int access, String name, String desc, String signature, String[] exceptions) { return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) { /* TODO improve detection of lambda-positions, numbers might vary on different compile-versions */ @Override public void visitCode() { // This mostly got generated from ASM itself, except some adjustments for lambda-IDs and removed "visitMaxs()"-call String javalangThrowable = "java/lang/Throwable"; String javaioFile = "java/io/File"; String javalangString = "java/lang/String"; Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, javalangThrowable); Label l3 = new Label(); Label l4 = new Label(); Label l5 = new Label(); mv.visitTryCatchBlock(l3, l4, l5, javalangThrowable); Label l6 = new Label(); mv.visitTryCatchBlock(l3, l4, l6, null); Label l7 = new Label(); Label l8 = new Label(); Label l9 = new Label(); mv.visitTryCatchBlock(l7, l8, l9, javalangThrowable); Label l10 = new Label(); mv.visitTryCatchBlock(l5, l10, l6, null); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitVarInsn(Opcodes.ASTORE, 3); mv.visitVarInsn(Opcodes.ALOAD, 2); Label l11 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l11); mv.visitVarInsn(Opcodes.ALOAD, 2); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javaioFile, "isDirectory", "()Z", false); Label l12 = new Label(); mv.visitJumpInsn(Opcodes.IFNE, l12); mv.visitLabel(l11); mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { javalangString }, 0, null); mv.visitTypeInsn(Opcodes.NEW, javaioFile); mv.visitInsn(Opcodes.DUP); mv.visitLdcInsn("java.home"); mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "getProperty", "(Ljava/lang/String;)Ljava/lang/String;", false); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, javaioFile, "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(Opcodes.ASTORE, 2); mv.visitLabel(l12); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitFieldInsn(Opcodes.GETSTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "VS_VERS", "[Ljava/lang/String;"); mv.visitVarInsn(Opcodes.ASTORE, 4); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitInsn(Opcodes.ARRAYLENGTH); mv.visitVarInsn(Opcodes.ISTORE, 5); mv.visitInsn(Opcodes.ICONST_0); mv.visitVarInsn(Opcodes.ISTORE, 6); Label l13 = new Label(); mv.visitLabel(l13); mv.visitFrame(Opcodes.F_APPEND, 3, new Object[] { "[Ljava/lang/String;", Opcodes.INTEGER, Opcodes.INTEGER }, 0, null); mv.visitVarInsn(Opcodes.ILOAD, 6); mv.visitVarInsn(Opcodes.ILOAD, 5); Label l14 = new Label(); mv.visitJumpInsn(Opcodes.IF_ICMPGE, l14); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitVarInsn(Opcodes.ILOAD, 6); mv.visitInsn(Opcodes.AALOAD); mv.visitVarInsn(Opcodes.ASTORE, 7); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/oracle/tools/packager/windows/WinAppBundler", "copyMSVCDLLs", "(Ljava/io/File;Ljava/lang/String;)Z", false); Label l15 = new Label(); mv.visitJumpInsn(Opcodes.IFEQ, l15); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitVarInsn(Opcodes.ASTORE, 3); mv.visitJumpInsn(Opcodes.GOTO, l14); mv.visitLabel(l15); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitIincInsn(6, 1); mv.visitJumpInsn(Opcodes.GOTO, l13); mv.visitLabel(l14); mv.visitFrame(Opcodes.F_CHOP, 3, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 3); Label l16 = new Label(); mv.visitJumpInsn(Opcodes.IFNONNULL, l16); mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException"); mv.visitInsn(Opcodes.DUP); mv.visitLdcInsn("Not found MSVC dlls"); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V", false); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l16); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitTypeInsn(Opcodes.NEW, "java/util/concurrent/atomic/AtomicReference"); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/concurrent/atomic/AtomicReference", "<init>", "()V", false); mv.visitVarInsn(Opcodes.ASTORE, 4); mv.visitVarInsn(Opcodes.ALOAD, 3); mv.visitVarInsn(Opcodes.ASTORE, 5); mv.visitVarInsn(Opcodes.ALOAD, 2); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javaioFile, "toPath", "()Ljava/nio/file/Path;", false); mv.visitLdcInsn("bin"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/nio/file/Path", "resolve", "(Ljava/lang/String;)Ljava/nio/file/Path;", true); mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/nio/file/Files", "list", "(Ljava/nio/file/Path;)Ljava/util/stream/Stream;", false); mv.visitVarInsn(Opcodes.ASTORE, 6); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitVarInsn(Opcodes.ASTORE, 7); mv.visitLabel(l3); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitInvokeDynamicInsn("test", "()Ljava/util/function/Predicate;", new Handle( Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"), new Object[] { Type.getType("(Ljava/lang/Object;)Z"), new Handle(Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "lambda$copyMSVCDLLs$261", "(Ljava/nio/file/Path;)Z"), Type.getType("(Ljava/nio/file/Path;)Z") }); // modified lambda-name mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "filter", "(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;", true); mv.visitVarInsn(Opcodes.ALOAD, 5); mv.visitInvokeDynamicInsn("test", "(Ljava/lang/String;)Ljava/util/function/Predicate;", new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"), new Object[] { Type.getType("(Ljava/lang/Object;)Z"), new Handle( Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "lambda$copyMSVCDLLs$262", "(Ljava/lang/String;Ljava/nio/file/Path;)Z"), Type.getType("(Ljava/nio/file/Path;)Z") }); // modified lambda-name mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "filter", "(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;", true); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitInvokeDynamicInsn("accept", "(Ljava/io/File;Ljava/util/concurrent/atomic/AtomicReference;)Ljava/util/function/Consumer;", new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"), new Object[] { Type.getType("(Ljava/lang/Object;)V"), new Handle( Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "lambda$copyMSVCDLLs$263", "(Ljava/io/File;Ljava/util/concurrent/atomic/AtomicReference;Ljava/nio/file/Path;)V"), Type.getType("(Ljava/nio/file/Path;)V") }); // modified lambda-name mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "forEach", "(Ljava/util/function/Consumer;)V", true); mv.visitLabel(l4); mv.visitVarInsn(Opcodes.ALOAD, 6); Label l17 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l17); mv.visitVarInsn(Opcodes.ALOAD, 7); Label l18 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l18); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitLabel(l1); mv.visitJumpInsn(Opcodes.GOTO, l17); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_FULL, 8, new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile, javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference", javalangString, "java/util/stream/Stream", javalangThrowable }, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 8); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitVarInsn(Opcodes.ALOAD, 8); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javalangThrowable, "addSuppressed", "(Ljava/lang/Throwable;)V", false); mv.visitJumpInsn(Opcodes.GOTO, l17); mv.visitLabel(l18); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitJumpInsn(Opcodes.GOTO, l17); mv.visitLabel(l5); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 8); mv.visitVarInsn(Opcodes.ALOAD, 8); mv.visitVarInsn(Opcodes.ASTORE, 7); mv.visitVarInsn(Opcodes.ALOAD, 8); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l6); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 9); mv.visitLabel(l10); mv.visitVarInsn(Opcodes.ALOAD, 6); Label l19 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l19); mv.visitVarInsn(Opcodes.ALOAD, 7); Label l20 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l20); mv.visitLabel(l7); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitLabel(l8); mv.visitJumpInsn(Opcodes.GOTO, l19); mv.visitLabel(l9); mv.visitFrame(Opcodes.F_FULL, 10, new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile, javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference", javalangString, "java/util/stream/Stream", javalangThrowable, Opcodes.TOP, javalangThrowable }, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 10); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitVarInsn(Opcodes.ALOAD, 10); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javalangThrowable, "addSuppressed", "(Ljava/lang/Throwable;)V", false); mv.visitJumpInsn(Opcodes.GOTO, l19); mv.visitLabel(l20); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitLabel(l19); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 9); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l17); mv.visitFrame(Opcodes.F_FULL, 6, new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile, javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference", javalangString }, 0, new Object[] {}); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/atomic/AtomicReference", "get", "()Ljava/lang/Object;", false); mv.visitTypeInsn(Opcodes.CHECKCAST, "java/io/IOException"); mv.visitVarInsn(Opcodes.ASTORE, 6); mv.visitVarInsn(Opcodes.ALOAD, 6); Label l21 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l21); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l21); mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "java/io/IOException" }, 0, null); mv.visitInsn(Opcodes.RETURN); } }; } }, ClassReader.EXPAND_FRAMES); // ClassReader.EXPAND_FRAMES required for Java 8 }
From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java
License:Creative Commons License
private static void transformOnInvChanged(MethodNode method) { InsnList needle = new InsnList(); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_IS_SADDLED, false)); needle.add(new VarInsnNode(Opcodes.ISTORE, 3)); AbstractInsnNode pointer = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(/*from w w w.j a va2 s .c o m*/ ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_GET_CUSTOM_ARMOR_ITEM, false)); newInstr.add(new VarInsnNode(Opcodes.ASTORE, 4)); method.instructions.insert(pointer, newInstr); needle = new InsnList(); needle.add(new LdcInsnNode("mob.horse.armor")); needle.add(new LdcInsnNode(0.5F)); needle.add(new InsnNode(Opcodes.FCONST_1)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_PLAY_SOUND, false)); needle.add(new LabelNode()); pointer = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); newInstr = new InsnList(); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false)); newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_ITEMS_IRON_SHOVEL)); LabelNode l9 = new LabelNode(); newInstr.add(new JumpInsnNode(Opcodes.IF_ACMPNE, l9)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_GET_CUSTOM_ARMOR_ITEM, false)); newInstr.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_IS_ITEM_EQUAL, false)); newInstr.add(new JumpInsnNode(Opcodes.IFNE, l9)); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(new LdcInsnNode("mob.horse.armor")); newInstr.add(new LdcInsnNode(0.5F)); newInstr.add(new InsnNode(Opcodes.FCONST_1)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_PLAY_SOUND, false)); newInstr.add(l9); method.instructions.insert(pointer, newInstr); }
From source file:de.sanandrew.core.manpack.transformer.TransformPlayerDismountCtrl.java
License:Creative Commons License
/** * Transforms the EntityPlayer.class by hooking into the updateRidden method and adding a call to _SAP_canDismountOnInput * in order for the ridden entity to control whether or not the rider can dismount via sneaking. * * @param bytes the class bytes to be transformed * @return the transformed class bytes//from w ww.j a va 2 s. c om */ private static byte[] transformPlayer(byte[] bytes) { ClassNode clazz = ASMHelper.createClassNode(bytes); MethodNode method = ASMHelper.findMethod(clazz, ASMNames.MD_PLAYER_UPDATE_RIDDEN); InsnList needle = new InsnList(); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_PLAYER_WORLD_OBJ)); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_WORLD_IS_REMOTE)); LabelNode ln1 = new LabelNode(); needle.add(new JumpInsnNode(Opcodes.IFNE, ln1)); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_PLAYER_IS_SNEAKING, false)); needle.add(new JumpInsnNode(Opcodes.IFEQ, ln1)); AbstractInsnNode insertPoint = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); InsnList injectList = new InsnList(); injectList.add(new VarInsnNode(Opcodes.ALOAD, 0)); injectList.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_PLAYER_RIDING_ENTITY)); injectList.add(new VarInsnNode(Opcodes.ALOAD, 0)); injectList.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_SAP_CAN_DISMOUNT_ON_INPUT, false)); injectList.add(new JumpInsnNode(Opcodes.IFEQ, ((JumpInsnNode) insertPoint).label)); method.instructions.insert(insertPoint, injectList); bytes = ASMHelper.createBytes(clazz, /*ClassWriter.COMPUTE_FRAMES |*/ ClassWriter.COMPUTE_MAXS); return bytes; }
From source file:de.scoopgmbh.copper.instrument.BuildStackInfoAdapter.java
License:Apache License
@Override public void visitJumpInsn(int arg0, Label arg1) { savePreviousFrame();/*w ww . ja v a2s .co m*/ switch (arg0) { case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPGE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPLE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPNE: currentFrame.popStack(); case Opcodes.IFEQ: case Opcodes.IFGE: case Opcodes.IFGT: case Opcodes.IFLE: case Opcodes.IFLT: case Opcodes.IFNE: case Opcodes.IFNONNULL: case Opcodes.IFNULL: currentFrame.popStack(); case Opcodes.GOTO: forwardFrames.put(arg1, new StackInfo(currentFrame)); break; case Opcodes.JSR: currentFrame.pushStack(retAddressType); forwardFrames.put(arg1, new StackInfo(currentFrame)); break; default: logger.debug("Unhandled: "); } if (logger.isDebugEnabled()) logger.debug("jumpInsn " + getOpCode(arg0) + " " + arg1); delegate.visitJumpInsn(arg0, arg1); }