List of usage examples for org.objectweb.asm Opcodes GETSTATIC
int GETSTATIC
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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 ww .j ava 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.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);// ww w.j ava 2s . c o m method.instructions.insertBefore(insertPt, newInstr); return ASMHelper.createBytes(clazz, /*ClassWriter.COMPUTE_FRAMES |*/ ClassWriter.COMPUTE_MAXS); }
From source file:de.sanandrew.core.manpack.transformer.TransformEntityCollision.java
License:Creative Commons License
private static byte[] transformWorld(byte[] bytes) { ClassNode clazz = ASMHelper.createClassNode(bytes); MethodNode method = ASMHelper.findMethod(clazz, ASMNames.MD_WORLD_GET_COLLIDING_BB); InsnList needle = new InsnList(); LabelNode ln = new LabelNode(); needle.add(ln);// w w w . j a va2 s. c om needle.add(new LineNumberNode(-1, ln)); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(new VarInsnNode(Opcodes.ALOAD, 1)); needle.add(new VarInsnNode(Opcodes.ALOAD, 2)); needle.add(new VarInsnNode(Opcodes.DLOAD, -1)); needle.add(new VarInsnNode(Opcodes.DLOAD, -1)); needle.add(new VarInsnNode(Opcodes.DLOAD, -1)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_AABB_EXPAND, false)); needle.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_WORLD_GET_ENTITIES_EXCLUDE, false)); needle.add(new VarInsnNode(Opcodes.ASTORE, -1)); VarInsnNode insertPoint = (VarInsnNode) ASMHelper.findLastNodeFromNeedle(method.instructions, needle); InsnList injectList = new InsnList(); injectList.add(new LabelNode()); injectList.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_SAPUTILS_EVENT_BUS)); injectList.add(new TypeInsnNode(Opcodes.NEW, ASMNames.CL_COLLIDING_ENTITY_CHECK_EVENT)); injectList.add(new InsnNode(Opcodes.DUP)); injectList.add(new VarInsnNode(Opcodes.ALOAD, 0)); injectList.add(new VarInsnNode(Opcodes.ALOAD, insertPoint.var)); injectList.add(new VarInsnNode(Opcodes.ALOAD, 1)); injectList.add(new VarInsnNode(Opcodes.ALOAD, 2)); injectList.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_COLLENTITYCHKEVT_INIT, false)); injectList.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_EVENT_BUS_POST, false)); injectList.add(new InsnNode(Opcodes.POP)); method.instructions.insert(insertPoint, injectList); // insert entity-sensitive bounding box method needle = new InsnList(); ln = new LabelNode(); needle.add(ln); needle.add(new LineNumberNode(-1, ln)); needle.add(new VarInsnNode(Opcodes.ALOAD, 11)); needle.add(new VarInsnNode(Opcodes.ILOAD, 12)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEINTERFACE, ASMNames.MD_LIST_GET, true)); needle.add(new TypeInsnNode(Opcodes.CHECKCAST, ASMNames.CL_ENTITY)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ENTITY_GET_BOUNDING_BOX, false)); needle.add(new VarInsnNode(Opcodes.ASTORE, -1)); insertPoint = (VarInsnNode) ASMHelper.findLastNodeFromNeedle(method.instructions, needle); injectList = new InsnList(); injectList.add(new LabelNode()); injectList.add(new VarInsnNode(Opcodes.ALOAD, 11)); injectList.add(new VarInsnNode(Opcodes.ILOAD, 12)); injectList.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEINTERFACE, ASMNames.MD_LIST_GET, true)); injectList.add(new TypeInsnNode(Opcodes.CHECKCAST, ASMNames.CL_ENTITY)); injectList.add(new VarInsnNode(Opcodes.ALOAD, 1)); injectList.add(new VarInsnNode(Opcodes.ALOAD, insertPoint.var)); injectList.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_SAP_ENTITY_GET_BOUNDING_BOX, false)); injectList.add(new VarInsnNode(Opcodes.ASTORE, insertPoint.var)); method.instructions.insert(insertPoint, injectList); bytes = ASMHelper.createBytes(clazz, /*ClassWriter.COMPUTE_FRAMES |*/ ClassWriter.COMPUTE_MAXS); return bytes; }
From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java
License:Creative Commons License
private static MethodNode injectMethodSetCustomArmorItem() { MethodNode method = ASMHelper.getMethodNode(Opcodes.ACC_PRIVATE, ASMNames.MD_SAP_SET_CUSTOM_ARMOR_ITEM); method.visitCode();//from www . j a va2 s. c om Label l0 = new Label(); method.visitLabel(l0); method.visitVarInsn(Opcodes.ALOAD, 1); Label l1 = new Label(); method.visitJumpInsn(Opcodes.IFNONNULL, l1); method.visitTypeInsn(Opcodes.NEW, ASMNames.CL_ITEM_STACK); method.visitInsn(Opcodes.DUP); ASMHelper.visitFieldInsn(method, Opcodes.GETSTATIC, ASMNames.FD_ITEMS_IRON_SHOVEL); method.visitInsn(Opcodes.ICONST_0); ASMHelper.visitMethodInsn(method, Opcodes.INVOKESPECIAL, ASMNames.MD_ITEMSTACK_INIT, false); method.visitVarInsn(Opcodes.ASTORE, 1); method.visitLabel(l1); method.visitFrame(Opcodes.F_SAME, 0, null, 0, null); method.visitVarInsn(Opcodes.ALOAD, 0); ASMHelper.visitFieldInsn(method, Opcodes.GETFIELD, ASMNames.FD_HORSE_DATAWATCHER); method.visitIntInsn(Opcodes.BIPUSH, 23); method.visitVarInsn(Opcodes.ALOAD, 1); ASMHelper.visitMethodInsn(method, Opcodes.INVOKEVIRTUAL, ASMNames.MD_DATAWATCHER_UPDATE_OBJ, false); Label l3 = new Label(); method.visitLabel(l3); method.visitInsn(Opcodes.RETURN); Label l4 = new Label(); method.visitLabel(l4); method.visitLocalVariable("this", ASMNames.CL_T_ENTITY_HORSE, null, l0, l3, 0); method.visitLocalVariable("stack", ASMNames.CL_T_ITEM_STACK, null, l0, l3, 1); method.visitMaxs(5, 2); method.visitEnd(); return method; }
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 w w . 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); }
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 .jav a 2 s .com 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.TransformHorseArmor.java
License:Creative Commons License
private static void transformEntityInit(MethodNode method) { InsnList needle = new InsnList(); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_HORSE_DATAWATCHER)); needle.add(new IntInsnNode(Opcodes.BIPUSH, 22)); needle.add(new InsnNode(Opcodes.ICONST_0)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKESTATIC, ASMNames.MD_INTEGER_VALUE_OF, false)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_DATAWATCHER_ADD_OBJECT, false)); AbstractInsnNode pointer = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETFIELD, ASMNames.FD_HORSE_DATAWATCHER)); newInstr.add(new IntInsnNode(Opcodes.BIPUSH, 23)); newInstr.add(new TypeInsnNode(Opcodes.NEW, ASMNames.CL_ITEM_STACK)); newInstr.add(new InsnNode(Opcodes.DUP)); newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_ITEMS_IRON_SHOVEL)); newInstr.add(new InsnNode(Opcodes.ICONST_0)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_ITEMSTACK_INIT, false)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_DATAWATCHER_ADD_OBJECT, false)); method.instructions.insert(pointer, newInstr); }
From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java
License:Creative Commons License
private static void transformIsValidArmor(MethodNode method) { InsnList needle = new InsnList(); needle.add(new LabelNode()); needle.add(new LineNumberNode(-1, new LabelNode())); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_ITEMS_IRON_HORSE_ARMOR)); needle.add(new JumpInsnNode(Opcodes.IF_ACMPEQ, new LabelNode())); AbstractInsnNode node = ASMHelper.findFirstNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(new TypeInsnNode(Opcodes.INSTANCEOF, ASMNames.CL_ITEM_HORSE_ARMOR)); LabelNode ln = new LabelNode(); newInstr.add(new JumpInsnNode(Opcodes.IFEQ, ln)); newInstr.add(new LabelNode()); newInstr.add(new InsnNode(Opcodes.ICONST_1)); newInstr.add(new InsnNode(Opcodes.IRETURN)); newInstr.add(ln);// www.ja v a 2 s. co m method.instructions.insertBefore(node, newInstr); }
From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java
License:Creative Commons License
private static void transformInteract(MethodNode method) { InsnList needle = new InsnList(); needle.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_ITEMS_DIAMOND_HORSE_ARMOR)); needle.add(new JumpInsnNode(Opcodes.IF_ACMPNE, new LabelNode())); needle.add(new LabelNode()); needle.add(new LineNumberNode(-1, new LabelNode())); needle.add(new InsnNode(Opcodes.ICONST_3)); needle.add(new VarInsnNode(Opcodes.ISTORE, 4)); needle.add(new LabelNode()); needle.add(new LineNumberNode(-1, new LabelNode())); needle.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null)); AbstractInsnNode node = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 2)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false)); newInstr.add(new TypeInsnNode(Opcodes.INSTANCEOF, ASMNames.CL_ITEM_HORSE_ARMOR)); LabelNode l8 = new LabelNode(); newInstr.add(new JumpInsnNode(Opcodes.IFEQ, l8)); newInstr.add(new LabelNode()); newInstr.add(new InsnNode(Opcodes.ICONST_4)); newInstr.add(new VarInsnNode(Opcodes.ISTORE, 4)); newInstr.add(l8);/*w w w .ja v a 2 s. c o m*/ newInstr.add(new FrameNode(Opcodes.F_SAME, 0, null, 0, null)); method.instructions.insert(node, newInstr); }
From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.Block.java
License:Open Source License
/** * Objects that are not parameters and not written before * these can be:// www . j a va 2 s. com * getField * getStatic * new * new array * new multi array * return type of method call */ private Type resolveType(final AbstractInsnNode node) { int arrayCount = 0; AbstractInsnNode currentNode = NodeHelper.getPrevious(node); while (currentNode != null) { final int opcode2 = currentNode.getOpcode(); if (opcode2 == Opcodes.NEWARRAY) { final int operand = ((IntInsnNode) currentNode).operand; return getObjectType(operand); } else if (opcode2 == Opcodes.ANEWARRAY) { return getObjectType(((TypeInsnNode) currentNode).desc); } else if (opcode2 == Opcodes.MULTIANEWARRAY) { return getObjectType(((MultiANewArrayInsnNode) currentNode).desc); } else if (opcode2 == Opcodes.NEW) { final String desc = ((TypeInsnNode) currentNode).desc; return getObjectType(desc); } else if ((opcode2 >= Opcodes.IALOAD) && (opcode2 <= Opcodes.AALOAD)) { arrayCount++; } else if ((opcode2 == Opcodes.GETFIELD) || (opcode2 == Opcodes.GETSTATIC)) { final String desc = ((FieldInsnNode) currentNode).desc; return getObjectType(removeArrayType(desc, arrayCount)); } else if ((opcode2 == Opcodes.ALOAD)) { final Type type2 = readers.getFirstVar(((VarInsnNode) currentNode).var).getParameterType(); return getObjectType(removeArrayType(type2.getDescriptor(), arrayCount)); } else if ((opcode2 >= Opcodes.INVOKEVIRTUAL) && (opcode2 <= Opcodes.INVOKEDYNAMIC)) { return Type.getReturnType(((MethodInsnNode) currentNode).desc); } currentNode = NodeHelper.getPrevious(currentNode); } return Type.VOID_TYPE; }