List of usage examples for org.objectweb.asm Opcodes IFEQ
int IFEQ
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From source file:com.yahoo.yqlplus.engine.internal.plan.types.base.AnyTypeWidget.java
@Override public ComparisonAdapter getComparisionAdapter() { Preconditions.checkState(!isPrimitive(), "BaseTypeWidget should not be handling a primitive type"); return new ComparisonAdapter() { @Override// w w w . ja v a 2 s . co m public void coerceBoolean(CodeEmitter scope, Label isTrue, Label isFalse, Label isNull) { // null or true scope.nullTest(AnyTypeWidget.getInstance(), isNull); Label popTrue = new Label(); scope.emitInstanceOf(AnyTypeWidget.getInstance(), Boolean.class, popTrue); final MethodVisitor mv = scope.getMethodVisitor(); mv.visitMethodInsn(Opcodes.GETSTATIC, Type.getInternalName(Boolean.class), "TRUE", Type.getMethodDescriptor(Type.getType(Boolean.class)), false); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Boolean.class), "equals", Type.getMethodDescriptor(Type.BOOLEAN_TYPE, Type.getType(Object.class)), false); mv.visitJumpInsn(Opcodes.IFEQ, isFalse); mv.visitJumpInsn(Opcodes.GOTO, isTrue); mv.visitLabel(popTrue); scope.pop(AnyTypeWidget.getInstance()); mv.visitJumpInsn(Opcodes.GOTO, isTrue); } }; }
From source file:com.yahoo.yqlplus.engine.internal.plan.types.base.ArrayIndexAdapter.java
@Override public BytecodeSequence iterate(final BytecodeExpression target, final AssignableValue item, final IterateLoop loop) { return new BytecodeSequence() { @Override//from www. jav a2 s . c om public void generate(CodeEmitter start) { CodeEmitter code = start.createScope(); final AssignableValue count = code.allocate(BaseTypeAdapter.INT32); final AssignableValue idx = code.allocate(BaseTypeAdapter.INT32); Label done = new Label(); Label next = new Label(); MethodVisitor mv = code.getMethodVisitor(); BytecodeExpression tgt = code.evaluateOnce(target); code.exec(tgt); code.nullTest(tgt.getType(), done); mv.visitInsn(Opcodes.ARRAYLENGTH); code.exec(count.write(BaseTypeAdapter.INT32)); code.emitIntConstant(0); code.exec(idx.write(BaseTypeAdapter.INT32)); mv.visitLabel(next); code.exec(count.read()); mv.visitJumpInsn(Opcodes.IFEQ, done); code.inc(count, -1); code.exec(tgt); code.exec(idx.read()); code.getMethodVisitor().visitInsn(ownerType.getJVMType().getOpcode(Opcodes.IALOAD)); code.inc(idx, 1); code.nullTest(valueType, next); code.exec(item.write(item.getType())); loop.item(code, item.read(), done, next); mv.visitJumpInsn(Opcodes.GOTO, next); mv.visitLabel(done); code.endScope(); } }; }
From source file:com.yahoo.yqlplus.engine.internal.plan.types.base.ArrayIndexAdapter.java
@Override public BytecodeExpression first(final BytecodeExpression target) { // what should this return if the array is of length 0? return new BaseTypeExpression(NullableTypeWidget.create(valueType.boxed())) { @Override//from w w w . j ava 2s . c o m public void generate(CodeEmitter start) { CodeEmitter code = start.createScope(); Label done = new Label(); Label isNull = new Label(); MethodVisitor mv = code.getMethodVisitor(); BytecodeExpression tgt = code.evaluateOnce(target); code.exec(tgt); code.nullTest(tgt.getType(), isNull); mv.visitInsn(Opcodes.ARRAYLENGTH); mv.visitJumpInsn(Opcodes.IFEQ, isNull); code.exec(tgt); code.emitIntConstant(0); mv.visitInsn(ownerType.getJVMType().getOpcode(Opcodes.IALOAD)); code.cast(valueType.boxed(), valueType, isNull); mv.visitJumpInsn(Opcodes.GOTO, done); mv.visitLabel(isNull); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitLabel(done); code.endScope(); } }; }
From source file:com.yahoo.yqlplus.engine.internal.plan.types.base.IterateFirstSequence.java
@Override public void generate(CodeEmitter start) { CodeEmitter code = start.createScope(); Label done = new Label(); Label isNull = new Label(); MethodVisitor mv = code.getMethodVisitor(); BytecodeExpression tgt = code.evaluateOnce(target); tgt.generate(code);/*from w w w. j a v a 2 s.c o m*/ code.emitInstanceCheck(tgt.getType(), Iterable.class, isNull); AssignableValue iterator = code.allocate(Iterator.class); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(Iterable.class), "iterator", Type.getMethodDescriptor(Type.getType(Iterator.class)), true); code.exec(iterator.write(code.adapt(Iterator.class))); code.exec(iterator.read()); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(Iterator.class), "hasNext", Type.getMethodDescriptor(Type.BOOLEAN_TYPE), true); mv.visitJumpInsn(Opcodes.IFEQ, isNull); code.exec(iterator.read()); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(Iterator.class), "next", Type.getMethodDescriptor(Type.getType(Object.class)), true); code.cast(valueType, AnyTypeWidget.getInstance(), isNull); mv.visitJumpInsn(Opcodes.GOTO, done); mv.visitLabel(isNull); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitLabel(done); }
From source file:com.yahoo.yqlplus.engine.internal.plan.types.base.IterateSequence.java
@Override public void generate(CodeEmitter code) { Label done = new Label(); Label next = new Label(); MethodVisitor mv = code.getMethodVisitor(); BytecodeExpression tgt = code.evaluateOnce(target); code.exec(tgt);// w w w. java2s . co m code.emitInstanceCheck(tgt.getType(), Iterable.class, done); AssignableValue item = this.item == null ? code.allocate(valueType) : this.item; AssignableValue iterator = code.allocate(Iterator.class); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(Iterable.class), "iterator", Type.getMethodDescriptor(Type.getType(Iterator.class)), true); code.exec(iterator.write(code.adapt(Iterator.class))); mv.visitLabel(next); code.exec(iterator.read()); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(Iterator.class), "hasNext", Type.getMethodDescriptor(Type.BOOLEAN_TYPE), true); mv.visitJumpInsn(Opcodes.IFEQ, done); code.exec(iterator.read()); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(Iterator.class), "next", Type.getMethodDescriptor(Type.getType(Object.class)), true); code.cast(valueType, AnyTypeWidget.getInstance()); // , next); // don't skip nulls code.exec(item.write(item.getType())); loop.item(code, item.read(), done, next); mv.visitJumpInsn(Opcodes.GOTO, next); mv.visitLabel(done); }
From source file:com.yahoo.yqlplus.engine.internal.plan.types.base.PrimitiveTypeWidget.java
@Override public ComparisonAdapter getComparisionAdapter() { return new ComparisonAdapter() { @Override/*from w w w. j av a2 s .co m*/ public void coerceBoolean(CodeEmitter scope, Label isTrue, Label isFalse, Label isNull) { MethodVisitor mv = scope.getMethodVisitor(); switch (getJVMType().getSort()) { case Type.BOOLEAN: case Type.SHORT: case Type.INT: case Type.CHAR: mv.visitJumpInsn(Opcodes.IFEQ, isFalse); mv.visitJumpInsn(Opcodes.GOTO, isTrue); break; case Type.FLOAT: mv.visitInsn(Opcodes.FCONST_0); mv.visitInsn(Opcodes.FCMPG); mv.visitJumpInsn(Opcodes.IFEQ, isTrue); mv.visitJumpInsn(Opcodes.GOTO, isFalse); break; case Type.LONG: mv.visitInsn(Opcodes.LCONST_0); mv.visitInsn(Opcodes.LCMP); mv.visitJumpInsn(Opcodes.IFEQ, isTrue); mv.visitJumpInsn(Opcodes.GOTO, isFalse); break; case Type.DOUBLE: mv.visitInsn(Opcodes.DCONST_0); mv.visitInsn(Opcodes.DCMPG); mv.visitJumpInsn(Opcodes.IFEQ, isTrue); mv.visitJumpInsn(Opcodes.GOTO, isFalse); break; default: throw new UnsupportedOperationException("Unsupported JVM type: " + getJVMType()); } } }; }
From source file:de.codesourcery.asm.util.ASMUtil.java
License:Apache License
/** * Check whether an instruction is a conditional branch operation. * //from w w w.ja v a 2 s. c om * @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// ww w.ja v a2s . c o 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.TransformEnderman.java
License:Creative Commons License
private static byte[] transformEnderman(byte[] bytes) { ClassNode clazz = ASMHelper.createClassNode(bytes); MethodNode method = ASMHelper.findMethod(clazz, ASMNames.MD_ENDERMAN_SHOULD_ATTACK_PLAYER); InsnList needle = new InsnList(); needle.add(new VarInsnNode(Opcodes.ALOAD, 1)); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_PLAYER_INVENTORY)); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_INVPLAYER_ARMOR_INVENTORY)); needle.add(new InsnNode(Opcodes.ICONST_3)); needle.add(new InsnNode(Opcodes.AALOAD)); needle.add(new VarInsnNode(Opcodes.ASTORE, 2)); AbstractInsnNode insertPt = ASMHelper.findFirstNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_SAPUTILS_EVENT_BUS)); newInstr.add(new TypeInsnNode(Opcodes.NEW, ASMNames.CL_ENDER_FACING_EVENT)); newInstr.add(new InsnNode(Opcodes.DUP)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 1)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_ENDERFACINGEVENT_INIT, false)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_EVENT_BUS_POST, false)); LabelNode l1 = new LabelNode(); newInstr.add(new JumpInsnNode(Opcodes.IFEQ, l1)); newInstr.add(new InsnNode(Opcodes.ICONST_0)); newInstr.add(new InsnNode(Opcodes.IRETURN)); newInstr.add(l1);//from w w w.j a v a 2s .c om method.instructions.insertBefore(insertPt, newInstr); return ASMHelper.createBytes(clazz, /*ClassWriter.COMPUTE_FRAMES |*/ ClassWriter.COMPUTE_MAXS); }
From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java
License:Creative Commons License
private static void transformGetTotalArmorValue(MethodNode method) { InsnList needle = new InsnList(); needle.add(new LabelNode()); needle.add(new LineNumberNode(-1, new LabelNode())); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_HORSE_ARMOR_VALUES)); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_FUNC110241CB, false)); AbstractInsnNode pointer = ASMHelper.findFirstNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(// w ww . j a v a2 s . c o m ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_GET_CUSTOM_ARMOR_ITEM, false)); newInstr.add(new VarInsnNode(Opcodes.ASTORE, 1)); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 1)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false)); newInstr.add(new TypeInsnNode(Opcodes.INSTANCEOF, ASMNames.CL_ITEM_HORSE_ARMOR)); LabelNode l2 = new LabelNode(); newInstr.add(new JumpInsnNode(Opcodes.IFEQ, l2)); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 1)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false)); newInstr.add(new TypeInsnNode(Opcodes.CHECKCAST, ASMNames.CL_ITEM_HORSE_ARMOR)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 1)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_SAP_GET_ARMOR_VALUE, false)); newInstr.add(new InsnNode(Opcodes.IRETURN)); newInstr.add(l2); method.instructions.insertBefore(pointer, newInstr); }