List of usage examples for org.objectweb.asm Opcodes PUTFIELD
int PUTFIELD
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From source file:lucee.transformer.bytecode.Page.java
License:Open Source License
/** * result byte code as binary array/*from ww w .java 2 s .c om*/ * @param classFile * @return byte code * @throws IOException * @throws TemplateException */ public byte[] execute(PageSource source, Resource classFile) throws BytecodeException { /* // this is done that the Page can be executed more than once if(initFunctions==null) initFunctions=(ArrayList<IFunction>) functions.clone(); else functions=initFunctions; if(initThreads==null) initThreads=(ArrayList<TagThread>) threads.clone(); else threads=initThreads; methodCount=0; off=0; staticTextLocation=null; print.e(this.functions); print.e(this.threads);*/ Resource p = classFile.getParentResource().getRealResource(classFile.getName() + ".txt"); List<LitString> keys = new ArrayList<LitString>(); ClassWriter cw = ASMUtil.getClassWriter(); ArrayList<String> imports = new ArrayList<String>(); getImports(imports, this); // parent String parent = "lucee/runtime/PagePlus"; if (isComponent()) parent = "lucee/runtime/ComponentPage"; else if (isInterface()) parent = "lucee/runtime/InterfacePage"; cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, name, null, parent, null); cw.visitSource(this.pageSource.getPhyscalFile().getAbsolutePath(), "rel:" + this.pageSource.getFullRealpath()); // when adding more use ; as delimiter // // static constructor //GeneratorAdapter statConstrAdapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC,STATIC_CONSTRUCTOR,null,null,cw); BytecodeContext statConstr = null;//new BytecodeContext(null,null,this,externalizer,keys,cw,name,statConstrAdapter,STATIC_CONSTRUCTOR,writeLog(),suppressWSbeforeArg); // constructor GeneratorAdapter constrAdapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, CONSTRUCTOR_PS, null, null, cw); BytecodeContext constr = new BytecodeContext(source, null, null, this, keys, cw, name, constrAdapter, CONSTRUCTOR_PS, writeLog(), suppressWSbeforeArg, output); constrAdapter.loadThis(); Type t = Types.PAGE_PLUS; if (isComponent()) t = Types.COMPONENT_PAGE; else if (isInterface()) t = Types.INTERFACE_PAGE; constrAdapter.invokeConstructor(t, CONSTRUCTOR); // call _init() constrAdapter.visitVarInsn(Opcodes.ALOAD, 0); constrAdapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, constr.getClassName(), "initKeys", "()V"); // private static ImportDefintion[] test=new ImportDefintion[]{...}; { FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, "imports", "[Llucee/runtime/component/ImportDefintion;", null, null); fv.visitEnd(); constrAdapter.visitVarInsn(Opcodes.ALOAD, 0); ArrayVisitor av = new ArrayVisitor(); av.visitBegin(constrAdapter, Types.IMPORT_DEFINITIONS, imports.size()); int index = 0; Iterator<String> it = imports.iterator(); while (it.hasNext()) { av.visitBeginItem(constrAdapter, index++); constrAdapter.push(it.next()); ASMConstants.NULL(constrAdapter); constrAdapter.invokeStatic(Types.IMPORT_DEFINITIONS_IMPL, ID_GET_INSTANCE); av.visitEndItem(constrAdapter); } av.visitEnd(); constrAdapter.visitFieldInsn(Opcodes.PUTFIELD, name, "imports", "[Llucee/runtime/component/ImportDefintion;"); } // getVersion GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, VERSION, null, null, cw); adapter.push(version); adapter.returnValue(); adapter.endMethod(); // public ImportDefintion[] getImportDefintions() if (imports.size() > 0) { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, GET_IMPORT_DEFINITIONS, null, null, cw); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitFieldInsn(Opcodes.GETFIELD, name, "imports", "[Llucee/runtime/component/ImportDefintion;"); adapter.returnValue(); adapter.endMethod(); } else { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, GET_IMPORT_DEFINITIONS, null, null, cw); adapter.visitInsn(Opcodes.ICONST_0); adapter.visitTypeInsn(Opcodes.ANEWARRAY, "lucee/runtime/component/ImportDefintion"); adapter.returnValue(); adapter.endMethod(); } // getSourceLastModified adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, LAST_MOD, null, null, cw); adapter.push(lastModifed); adapter.returnValue(); adapter.endMethod(); // getCompileTime adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, COMPILE_TIME, null, null, cw); adapter.push(System.currentTimeMillis()); adapter.returnValue(); adapter.endMethod(); // newInstance/initComponent/call if (isComponent()) { Tag component = getComponent(); writeOutNewComponent(statConstr, constr, keys, cw, component); writeOutInitComponent(statConstr, constr, keys, cw, component); } else if (isInterface()) { Tag interf = getInterface(); writeOutNewInterface(statConstr, constr, keys, cw, interf); writeOutInitInterface(statConstr, constr, keys, cw, interf); } else { writeOutCall(statConstr, constr, keys, cw); } // udfCall Function[] functions = getFunctions(); ConditionVisitor cv; DecisionIntVisitor div; // less/equal than 10 functions if (isInterface()) { } else if (functions.length <= 10) { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_CALL, null, new Type[] { Types.THROWABLE }, cw); BytecodeContext bc = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, UDF_CALL, writeLog(), suppressWSbeforeArg, output); if (functions.length == 0) { } else if (functions.length == 1) { ExpressionUtil.visitLine(bc, functions[0].getStart()); functions[0].getBody().writeOut(bc); ExpressionUtil.visitLine(bc, functions[0].getEnd()); } else writeOutUdfCallInner(bc, functions, 0, functions.length); adapter.visitInsn(Opcodes.ACONST_NULL); adapter.returnValue(); adapter.endMethod(); } // more than 10 functions else { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_CALL, null, new Type[] { Types.THROWABLE }, cw); BytecodeContext bc = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, UDF_CALL, writeLog(), suppressWSbeforeArg, output); cv = new ConditionVisitor(); cv.visitBefore(); int count = 0; for (int i = 0; i < functions.length; i += 10) { cv.visitWhenBeforeExpr(); div = new DecisionIntVisitor(); div.visitBegin(); adapter.loadArg(2); div.visitLT(); adapter.push(i + 10); div.visitEnd(bc); cv.visitWhenAfterExprBeforeBody(bc); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitVarInsn(Opcodes.ALOAD, 1); adapter.visitVarInsn(Opcodes.ALOAD, 2); adapter.visitVarInsn(Opcodes.ILOAD, 3); adapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, name, createFunctionName(++count), "(Llucee/runtime/PageContext;Llucee/runtime/type/UDF;I)Ljava/lang/Object;"); adapter.visitInsn(Opcodes.ARETURN);//adapter.returnValue(); cv.visitWhenAfterBody(bc); } cv.visitAfter(bc); adapter.visitInsn(Opcodes.ACONST_NULL); adapter.returnValue(); adapter.endMethod(); count = 0; Method innerCall; for (int i = 0; i < functions.length; i += 10) { innerCall = new Method(createFunctionName(++count), Types.OBJECT, new Type[] { Types.PAGE_CONTEXT, USER_DEFINED_FUNCTION, Types.INT_VALUE }); adapter = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, innerCall, null, new Type[] { Types.THROWABLE }, cw); writeOutUdfCallInner( new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, innerCall, writeLog(), suppressWSbeforeArg, output), functions, i, i + 10 > functions.length ? functions.length : i + 10); adapter.visitInsn(Opcodes.ACONST_NULL); adapter.returnValue(); adapter.endMethod(); } } // threadCall TagThread[] threads = getThreads(); if (true) { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, THREAD_CALL, null, new Type[] { Types.THROWABLE }, cw); if (threads.length > 0) writeOutThreadCallInner(new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, THREAD_CALL, writeLog(), suppressWSbeforeArg, output), threads, 0, threads.length); //adapter.visitInsn(Opcodes.ACONST_NULL); adapter.returnValue(); adapter.endMethod(); } // udfDefaultValue // less/equal than 10 functions if (isInterface()) { } else if (functions.length <= 10) { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_DEFAULT_VALUE, null, new Type[] { Types.PAGE_EXCEPTION }, cw); if (functions.length > 0) writeUdfDefaultValueInner( new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, UDF_DEFAULT_VALUE, writeLog(), suppressWSbeforeArg, output), functions, 0, functions.length); adapter.loadArg(DEFAULT_VALUE); adapter.returnValue(); adapter.endMethod(); } else { adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_DEFAULT_VALUE, null, new Type[] { Types.PAGE_EXCEPTION }, cw); BytecodeContext bc = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, UDF_DEFAULT_VALUE, writeLog(), suppressWSbeforeArg, output); cv = new ConditionVisitor(); cv.visitBefore(); int count = 0; for (int i = 0; i < functions.length; i += 10) { cv.visitWhenBeforeExpr(); div = new DecisionIntVisitor(); div.visitBegin(); adapter.loadArg(1); div.visitLT(); adapter.push(i + 10); div.visitEnd(bc); cv.visitWhenAfterExprBeforeBody(bc); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitVarInsn(Opcodes.ALOAD, 1); adapter.visitVarInsn(Opcodes.ILOAD, 2); adapter.visitVarInsn(Opcodes.ILOAD, 3); adapter.visitVarInsn(Opcodes.ALOAD, 4); adapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, name, "udfDefaultValue" + (++count), "(Llucee/runtime/PageContext;IILjava/lang/Object;)Ljava/lang/Object;"); adapter.visitInsn(Opcodes.ARETURN);//adapter.returnValue(); cv.visitWhenAfterBody(bc); } cv.visitAfter(bc); adapter.visitInsn(Opcodes.ACONST_NULL); adapter.returnValue(); adapter.endMethod(); count = 0; Method innerDefaultValue; for (int i = 0; i < functions.length; i += 10) { innerDefaultValue = new Method("udfDefaultValue" + (++count), Types.OBJECT, new Type[] { Types.PAGE_CONTEXT, Types.INT_VALUE, Types.INT_VALUE, Types.OBJECT }); adapter = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, innerDefaultValue, null, new Type[] { Types.PAGE_EXCEPTION }, cw); writeUdfDefaultValueInner( new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, innerDefaultValue, writeLog(), suppressWSbeforeArg, output), functions, i, i + 10 > functions.length ? functions.length : i + 10); adapter.loadArg(DEFAULT_VALUE); //adapter.visitInsn(Opcodes.ACONST_NULL); adapter.returnValue(); adapter.endMethod(); } } // register fields { GeneratorAdapter aInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, _INIT, null, null, cw); BytecodeContext bcInit = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, aInit, _INIT, writeLog(), suppressWSbeforeArg, output); registerFields(bcInit, keys); aInit.returnValue(); aInit.endMethod(); } //setPageSource(pageSource); constrAdapter.visitVarInsn(Opcodes.ALOAD, 0); constrAdapter.visitVarInsn(Opcodes.ALOAD, 1); constrAdapter.invokeVirtual(t, SET_PAGE_SOURCE); constrAdapter.returnValue(); constrAdapter.endMethod(); return cw.toByteArray(); }
From source file:lucee.transformer.bytecode.Page.java
License:Open Source License
public static void registerFields(BytecodeContext bc, List<LitString> keys) throws BytecodeException { //if(keys.size()==0) return; GeneratorAdapter ga = bc.getAdapter(); FieldVisitor fv = bc.getClassWriter().visitField(Opcodes.ACC_PRIVATE, "keys", Types.COLLECTION_KEY_ARRAY.toString(), null, null); fv.visitEnd();/*from w ww . j a v a 2 s. c o m*/ int index = 0; LitString value; Iterator<LitString> it = keys.iterator(); ga.visitVarInsn(Opcodes.ALOAD, 0); ga.push(keys.size()); ga.newArray(Types.COLLECTION_KEY); while (it.hasNext()) { value = it.next(); ga.dup(); ga.push(index++); //value.setExternalize(false); ExpressionUtil.writeOutSilent(value, bc, Expression.MODE_REF); ga.invokeStatic(KEY_IMPL, KEY_INTERN); ga.visitInsn(Opcodes.AASTORE); } ga.visitFieldInsn(Opcodes.PUTFIELD, bc.getClassName(), "keys", Types.COLLECTION_KEY_ARRAY.toString()); }
From source file:lucee.transformer.bytecode.Page.java
License:Open Source License
private void writeOutCallBody(BytecodeContext bc, Body body, int pageType) throws BytecodeException { // Other//from w w w . j av a 2 s . c o m List<IFunction> functions = new ArrayList<IFunction>(); getFunctions(functions, bc, body, pageType); String className = Types.UDF_PROPERTIES_ARRAY.toString(); //FieldVisitor fv = bc.getClassWriter().visitField(Opcodes.ACC_PRIVATE , "udfs",className , null, null); //fv.visitEnd(); BytecodeContext constr = bc.getConstructor(); GeneratorAdapter cga = constr.getAdapter(); cga.visitVarInsn(Opcodes.ALOAD, 0); cga.push(functions.size()); //cga.visitTypeInsn(Opcodes.ANEWARRAY, Types.UDF_PROPERTIES.toString()); cga.newArray(Types.UDF_PROPERTIES); cga.visitFieldInsn(Opcodes.PUTFIELD, bc.getClassName(), "udfs", className); Iterator<IFunction> it = functions.iterator(); while (it.hasNext()) { it.next().writeOut(bc, pageType); } if (pageType == IFunction.PAGE_TYPE_COMPONENT) { GeneratorAdapter adapter = bc.getAdapter(); adapter.loadArg(1); adapter.loadArg(0); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.invokeVirtual(Types.COMPONENT_IMPL, CHECK_INTERFACE); } if (pageType != IFunction.PAGE_TYPE_INTERFACE) { //BodyBase.writeOut(bc.getStaticConstructor(),bc.getConstructor(),bc.getKeys(),body.getStatements(), bc); BodyBase.writeOut(bc, body); } }
From source file:lucee.transformer.bytecode.util.ASMUtil.java
License:Open Source License
private static void createProperty(ClassWriter cw, String classType, ASMProperty property) throws PageException { String name = property.getName(); Type type = property.getASMType(); Class clazz = property.getClazz(); cw.visitField(Opcodes.ACC_PRIVATE, name, type.toString(), null, null).visitEnd(); int load = loadFor(type); //int sizeOf=sizeOf(type); // get<PropertyName>():<type> Type[] types = new Type[0]; Method method = new Method((clazz == boolean.class ? "get" : "get") + StringUtil.ucFirst(name), type, types);//from w ww .j a v a 2 s .c om GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, method, null, null, cw); Label start = new Label(); adapter.visitLabel(start); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitFieldInsn(Opcodes.GETFIELD, classType, name, type.toString()); adapter.returnValue(); Label end = new Label(); adapter.visitLabel(end); adapter.visitLocalVariable("this", "L" + classType + ";", null, start, end, 0); adapter.visitEnd(); adapter.endMethod(); // set<PropertyName>(object):void types = new Type[] { type }; method = new Method("set" + StringUtil.ucFirst(name), Types.VOID, types); adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, method, null, null, cw); start = new Label(); adapter.visitLabel(start); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitVarInsn(load, 1); adapter.visitFieldInsn(Opcodes.PUTFIELD, classType, name, type.toString()); adapter.visitInsn(Opcodes.RETURN); end = new Label(); adapter.visitLabel(end); adapter.visitLocalVariable("this", "L" + classType + ";", null, start, end, 0); adapter.visitLocalVariable(name, type.toString(), null, start, end, 1); //adapter.visitMaxs(0, 0);//.visitMaxs(sizeOf+1, sizeOf+1);// hansx adapter.visitEnd(); adapter.endMethod(); }
From source file:lucee.transformer.bytecode.util.JavaProxyFactory.java
License:Open Source License
public static Object createProxy(PageContext pc, Component cfc, Class extendz, Class... interfaces) throws PageException, IOException { PageContextImpl pci = (PageContextImpl) pc; if (extendz == null) extendz = Object.class; if (interfaces == null) interfaces = new Class[0]; else {//from www . ja v a2s . c o m for (int i = 0; i < interfaces.length; i++) { if (!interfaces[i].isInterface()) throw new IOException( "definition [" + interfaces[i].getName() + "] is a class and not a interface"); } } Type typeExtends = Type.getType(extendz); Type[] typeInterfaces = ASMUtil.toTypes(interfaces); String[] strInterfaces = new String[typeInterfaces.length]; for (int i = 0; i < strInterfaces.length; i++) { strInterfaces[i] = typeInterfaces[i].getInternalName(); } String className = createClassName(extendz, interfaces); //Mapping mapping = cfc.getPageSource().getMapping(); // get ClassLoader PhysicalClassLoader cl = null; try { cl = (PhysicalClassLoader) pci.getRPCClassLoader(false);// mapping.getConfig().getRPCClassLoader(false) } catch (IOException e) { throw Caster.toPageException(e); } Resource classFile = cl.getDirectory().getRealResource(className.concat(".class")); // check if already exists, if yes return if (classFile.exists()) { //Object obj=newInstance(cl,className,cfc); // if(obj!=null) return obj; } /* String classNameOriginal=component.getPageSource().getFullClassName(); String realOriginal=classNameOriginal.replace('.','/'); Resource classFileOriginal = mapping.getClassRootDirectory().getRealResource(realOriginal.concat(".class")); */ ClassWriter cw = ASMUtil.getClassWriter(); cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, className, null, typeExtends.getInternalName(), strInterfaces); //BytecodeContext statConstr = null;//new BytecodeContext(null,null,null,cw,real,ga,Page.STATIC_CONSTRUCTOR); //BytecodeContext constr = null;//new BytecodeContext(null,null,null,cw,real,ga,Page.CONSTRUCTOR); // field Component FieldVisitor _fv = cw.visitField(Opcodes.ACC_PRIVATE, "cfc", COMPONENT_NAME, null, null); _fv.visitEnd(); _fv = cw.visitField(Opcodes.ACC_PRIVATE, "config", CONFIG_WEB_NAME, null, null); _fv.visitEnd(); // Constructor GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, CONSTRUCTOR, null, null, cw); Label begin = new Label(); adapter.visitLabel(begin); adapter.loadThis(); adapter.invokeConstructor(Types.OBJECT, SUPER_CONSTRUCTOR); //adapter.putField(JAVA_PROXY, arg1, arg2) adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitVarInsn(Opcodes.ALOAD, 1); adapter.visitFieldInsn(Opcodes.PUTFIELD, className, "config", CONFIG_WEB_NAME); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitVarInsn(Opcodes.ALOAD, 2); adapter.visitFieldInsn(Opcodes.PUTFIELD, className, "cfc", COMPONENT_NAME); adapter.visitInsn(Opcodes.RETURN); Label end = new Label(); adapter.visitLabel(end); adapter.visitLocalVariable("config", CONFIG_WEB_NAME, null, begin, end, 1); adapter.visitLocalVariable("cfc", COMPONENT_NAME, null, begin, end, 2); //adapter.returnValue(); adapter.endMethod(); // create methods Set<Class> cDone = new HashSet<Class>(); Map<String, Class> mDone = new HashMap<String, Class>(); for (int i = 0; i < interfaces.length; i++) { _createProxy(cw, cDone, mDone, cfc, interfaces[i], className); } cw.visitEnd(); // create class file byte[] barr = cw.toByteArray(); try { ResourceUtil.touch(classFile); IOUtil.copy(new ByteArrayInputStream(barr), classFile, true); cl = (PhysicalClassLoader) pci.getRPCClassLoader(true); Class<?> clazz = cl.loadClass(className, barr); return newInstance(clazz, pc.getConfig(), cfc); } catch (Throwable t) { throw Caster.toPageException(t); } }
From source file:me.themallard.bitmmo.api.transformer.Transformer.java
License:Open Source License
protected final void createSetter(ClassNode cn, FieldNode fn, String name) { MethodVisitor mv = cn.visitMethod(Opcodes.ACC_PUBLIC, name, "(" + fn.desc + ")V", null, null); mv.visitVarInsn(Opcodes.ALOAD, 0);// w w w. j a v a2 s .c o m mv.visitVarInsn(Type.getType(fn.desc).getOpcode(Opcodes.ILOAD), 1); mv.visitFieldInsn(Opcodes.PUTFIELD, cn.name, fn.name, fn.desc); mv.visitInsn(Opcodes.RETURN); mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:net.lyonlancer5.mcmp.karasu.asm.KarasuTransformer.java
License:Apache License
private static void transformEntityLivingBase(ClassNode classNode) { Constants.LOGGER.info("======== Project Karasu ~ Water Walking Enchantment Patch ========"); Constants.LOGGER.info("Patching net.minecraft.entity.EntityLivingBase"); for (MethodNode method : classNode.methods) { if (method.desc.equals("(FF)V")) { AbstractInsnNode movefNode = null; AbstractInsnNode motionxNode = null; AbstractInsnNode motionzNode = null; AbstractInsnNode motionyNode = null; AbstractInsnNode[] moveList = method.instructions.toArray(); int var11 = moveList.length; for (int var12 = 0; var12 < var11; ++var12) { AbstractInsnNode instruction = moveList[var12]; if (instruction.getOpcode() == Opcodes.ALOAD) { if (((VarInsnNode) instruction).var == 0 && instruction.getNext().getOpcode() == Opcodes.DUP && motionxNode == null) { motionxNode = instruction; } else if (((VarInsnNode) instruction).var == 0 && instruction.getNext().getOpcode() == Opcodes.DUP && motionyNode == null) { motionyNode = instruction; } else if (((VarInsnNode) instruction).var == 0 && instruction.getNext().getOpcode() == Opcodes.DUP && motionzNode == null) { motionzNode = instruction; } else if (movefNode == null && ((VarInsnNode) instruction).var == 0 && instruction.getNext().getOpcode() == Opcodes.FLOAD && ((VarInsnNode) instruction.getNext()).var == 1) { movefNode = instruction; }/*from w w w. j ava 2s. co m*/ } } int var14; InsnList var15; if (method.name.equals("e")) { Constants.LOGGER.info("Found matching method: " + method.name + " " + method.desc + " - (Obf)"); if (motionxNode != null) { for (var14 = 0; var14 < 6; ++var14) { motionxNode = motionxNode.getNext(); method.instructions.remove(motionxNode.getPrevious()); } Constants.LOGGER.info("Patching sv.w"); var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new InsnNode(Opcodes.DUP)); var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "w", "D")); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel", "()D", false)); var15.add(new InsnNode(Opcodes.DMUL)); var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "w", "D")); method.instructions.insertBefore(motionxNode, var15); Constants.LOGGER.info("Patched sv.w"); } if (motionzNode != null) { for (var14 = 0; var14 < 6; ++var14) { motionzNode = motionzNode.getNext(); method.instructions.remove(motionzNode.getPrevious()); } Constants.LOGGER.info("Patching sv.y"); var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new InsnNode(Opcodes.DUP)); var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "y", "D")); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel", "()D", false)); var15.add(new InsnNode(Opcodes.DMUL)); var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "y", "D")); method.instructions.insertBefore(motionzNode, var15); Constants.LOGGER.info("Patched sv.y"); } if (movefNode != null) { for (var14 = 0; var14 < 14; ++var14) { movefNode = movefNode.getNext(); method.instructions.remove(movefNode.getPrevious()); } var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new VarInsnNode(Opcodes.FLOAD, 1)); var15.add(new VarInsnNode(Opcodes.FLOAD, 2)); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyVerticalVel", "()F", false)); var15.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase", "a", "(FFF)V", false)); method.instructions.insertBefore(movefNode, var15); Constants.LOGGER.info("Patching method -- sv.a (FFF)V"); } Constants.LOGGER.info("Patch success!"); return; } else if (method.name.equals("moveEntityWithHeading")) { Constants.LOGGER .info("Found matching method: " + method.name + " " + method.desc + " - (Deobf)"); if (motionxNode != null) { for (var14 = 0; var14 < 6; ++var14) { motionxNode = motionxNode.getNext(); method.instructions.remove(motionxNode.getPrevious()); } Constants.LOGGER.info("Patching EntityLivingBase.motionX"); var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new InsnNode(Opcodes.DUP)); var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "motionX", "D")); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel", "()D", false)); var15.add(new InsnNode(Opcodes.DMUL)); var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "motionX", "D")); method.instructions.insertBefore(motionxNode, var15); Constants.LOGGER.info("Patched EntityLivingBase.motionX"); } if (motionzNode != null) { for (var14 = 0; var14 < 6; ++var14) { motionzNode = motionzNode.getNext(); method.instructions.remove(motionzNode.getPrevious()); } Constants.LOGGER.info("Patching EntityLivingBase.motionZ"); var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new InsnNode(Opcodes.DUP)); var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "motionZ", "D")); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel", "()D", false)); var15.add(new InsnNode(Opcodes.DMUL)); var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "motionZ", "D")); method.instructions.insertBefore(motionzNode, var15); Constants.LOGGER.info("Patched EntityLivingBase.motionZ"); } if (movefNode != null) { for (var14 = 0; var14 < 14; ++var14) { movefNode = movefNode.getNext(); method.instructions.remove(movefNode.getPrevious()); } var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new VarInsnNode(Opcodes.FLOAD, 1)); var15.add(new VarInsnNode(Opcodes.FLOAD, 2)); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyVerticalVel", "()F", false)); var15.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase", "moveFlying", "(FFF)V", false)); method.instructions.insertBefore(movefNode, var15); Constants.LOGGER.info("Patched method - EntityLivingBase.moveFlying (FFF)V"); } Constants.LOGGER.info("Patch success!"); return; } else if (method.name.equals("func_70612_e")) { Constants.LOGGER.info("Found matching method: " + method.name + " " + method.desc + " - (srg)"); if (motionxNode != null) { for (var14 = 0; var14 < 6; ++var14) { motionxNode = motionxNode.getNext(); method.instructions.remove(motionxNode.getPrevious()); } Constants.LOGGER.info("Patching EntityLivingBase.field_70159_w"); var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new InsnNode(Opcodes.DUP)); var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "field_70159_w", "D")); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel", "()D", false)); var15.add(new InsnNode(Opcodes.DMUL)); var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "field_70159_w", "D")); method.instructions.insertBefore(motionxNode, var15); Constants.LOGGER.info("Patched EntityLivingBase.field_70159_w"); } if (motionzNode != null) { for (var14 = 0; var14 < 6; ++var14) { motionzNode = motionzNode.getNext(); method.instructions.remove(motionzNode.getPrevious()); } Constants.LOGGER.info("Patching EntityLivingBase.field_70179_y"); var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new InsnNode(Opcodes.DUP)); var15.add(new FieldInsnNode(Opcodes.GETFIELD, "net/minecraft/entity/EntityLivingBase", "field_70179_y", "D")); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyHorizontalVel", "()D", false)); var15.add(new InsnNode(Opcodes.DMUL)); var15.add(new FieldInsnNode(Opcodes.PUTFIELD, "net/minecraft/entity/EntityLivingBase", "field_70179_y", "D")); method.instructions.insertBefore(motionzNode, var15); Constants.LOGGER.info("Patched EntityLivingBase.field_70179_y"); } if (movefNode != null) { for (var14 = 0; var14 < 14; ++var14) { movefNode = movefNode.getNext(); method.instructions.remove(movefNode.getPrevious()); } var15 = new InsnList(); var15.add(new VarInsnNode(Opcodes.ALOAD, 0)); var15.add(new VarInsnNode(Opcodes.FLOAD, 1)); var15.add(new VarInsnNode(Opcodes.FLOAD, 2)); var15.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "net/lyonlancer5/mcmp/karasu/asm/KarasuFeatherMetadata", "modifyVerticalVel", "()F", false)); var15.add(new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "net/minecraft/entity/EntityLivingBase", "func_70060_a", "(FFF)V", false)); method.instructions.insertBefore(movefNode, var15); Constants.LOGGER.info("Patched method - EntityLivingBase.func_70060_a (FFF)V"); } Constants.LOGGER.info("Patch success!"); return; } } } // #OVERKILL throw new RuntimeException("Patch FAILED -- No matching method found"); }
From source file:net.minecraftforge.fml.common.asm.transformers.SoundEngineFixTransformer.java
License:Open Source License
@Override public byte[] transform(String name, String transformedName, byte[] basicClass) { if (transformedName.equals("paulscode.sound.Source")) { ClassNode classNode = new ClassNode(); ClassReader classReader = new ClassReader(basicClass); classReader.accept(classNode, 0); classNode.fields.add(new FieldNode(Opcodes.ACC_PUBLIC, "removed", "Z", null, null)); // adding field 'public boolean removed;' ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS); classNode.accept(writer);//from www .j a v a 2 s . com return writer.toByteArray(); } else if (transformedName.equals("paulscode.sound.Library")) { ClassNode classNode = new ClassNode(); ClassReader classReader = new ClassReader(basicClass); classReader.accept(classNode, 0); MethodNode method = null; for (MethodNode m : classNode.methods) { if (m.name.equals("removeSource") && m.desc.equals("(Ljava/lang/String;)V")) // trying to find paulscode.sound.Library.removeSource(String) { method = m; break; } } if (method == null) throw new RuntimeException( "Error processing " + transformedName + " - no removeSource method found"); AbstractInsnNode referenceNode = null; for (Iterator<AbstractInsnNode> iterator = method.instructions.iterator(); iterator.hasNext();) { AbstractInsnNode insn = iterator.next(); if (insn instanceof MethodInsnNode && ((MethodInsnNode) insn).owner.equals("paulscode/sound/Source") // searching for mySource.cleanup() node (line 1086) && ((MethodInsnNode) insn).name.equals("cleanup")) { referenceNode = insn; break; } } if (referenceNode != null) { LabelNode after = (LabelNode) referenceNode.getNext(); AbstractInsnNode beginning = referenceNode.getPrevious(); int varIndex = ((VarInsnNode) beginning).var; method.instructions.insertBefore(beginning, new VarInsnNode(Opcodes.ALOAD, varIndex)); // adding extra if (mySource.toStream) method.instructions.insertBefore(beginning, new FieldInsnNode(Opcodes.GETFIELD, "paulscode/sound/Source", "toStream", "Z")); LabelNode elseNode = new LabelNode(); method.instructions.insertBefore(beginning, new JumpInsnNode(Opcodes.IFEQ, elseNode)); // if fails (else) -> go to mySource.cleanup(); method.instructions.insertBefore(beginning, new VarInsnNode(Opcodes.ALOAD, varIndex)); // if (mySource.toStream) { mySource.removed = true; } method.instructions.insertBefore(beginning, new InsnNode(Opcodes.ICONST_1)); method.instructions.insertBefore(beginning, new FieldInsnNode(Opcodes.PUTFIELD, "paulscode/sound/Source", "removed", "Z")); method.instructions.insertBefore(beginning, new JumpInsnNode(Opcodes.GOTO, after)); // still inside if -> jump to sourceMap.remove( sourcename ); method.instructions.insertBefore(beginning, elseNode); } ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS); classNode.accept(writer); return writer.toByteArray(); } else if (transformedName.equals("paulscode.sound.StreamThread")) { ClassNode classNode = new ClassNode(); ClassReader classReader = new ClassReader(basicClass); classReader.accept(classNode, 0); MethodNode method = null; for (MethodNode m : classNode.methods) { if (m.name.equals("run") && m.desc.equals("()V")) // trying to find paulscode.sound.StreamThread.run(); { method = m; break; } } if (method == null) throw new RuntimeException("Error processing " + transformedName + " - no run method found"); AbstractInsnNode referenceNode = null; for (Iterator<AbstractInsnNode> iterator = method.instructions.iterator(); iterator.hasNext();) { AbstractInsnNode insn = iterator.next(); if (insn instanceof MethodInsnNode && ((MethodInsnNode) insn).owner.equals("java/util/ListIterator") // searching for 'src = iter.next();' node (line 110) && ((MethodInsnNode) insn).name.equals("next")) { referenceNode = insn.getNext().getNext(); break; } } if (referenceNode != null) { int varIndex = ((VarInsnNode) referenceNode).var; LabelNode after = (LabelNode) referenceNode.getNext(); method.instructions.insertBefore(after, new VarInsnNode(Opcodes.ALOAD, varIndex)); // add if(removed) method.instructions.insertBefore(after, new FieldInsnNode(Opcodes.GETFIELD, "paulscode/sound/Source", "removed", "Z")); method.instructions.insertBefore(after, new JumpInsnNode(Opcodes.IFEQ, after)); // if the source has been marked as removed, clean it up and set the variable to null so it will be removed from the list method.instructions.insertBefore(after, new VarInsnNode(Opcodes.ALOAD, varIndex)); // src.cleanup(); method.instructions.insertBefore(after, new MethodInsnNode(Opcodes.INVOKEVIRTUAL, "paulscode/sound/Source", "cleanup", "()V", false)); method.instructions.insertBefore(after, new InsnNode(Opcodes.ACONST_NULL)); // src = null; method.instructions.insertBefore(after, new VarInsnNode(Opcodes.ASTORE, varIndex)); } ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_MAXS); classNode.accept(writer); return writer.toByteArray(); } return basicClass; }
From source file:net.sourceforge.cobertura.instrument.pass1.DetectIgnoredCodeMethodVisitor.java
License:GNU General Public License
public void visitFieldInsn(int opcode, String string, String string1, String string2) { super.visitFieldInsn(opcode, string, string1, string2); if (ignoredStatus.isTrivial()) { // trivial opcodes for accessing class fields are: // - GETFIELD or PUTFIELD if ((ignoredStatus == IgnoredStatus.POSSIBLE_TRIVIAL_GETTER && opcode != Opcodes.GETFIELD) || (ignoredStatus == IgnoredStatus.POSSIBLE_TRIVIAL_SETTER && opcode != Opcodes.PUTFIELD) || (ignoredStatus == IgnoredStatus.POSSIBLE_TRIVIAL_INIT && opcode != Opcodes.PUTFIELD)) { markNotTrivial();/*from w w w .j a va 2 s . c o m*/ } } }
From source file:org.actorsguildframework.internal.codegenerator.ActorProxyCreator.java
License:Apache License
/** * Creates and loads the actor's proxy class. * @param actorClass the Actor class/*from w w w.j a v a 2 s.co m*/ * @param acd the actor's class descriptor * @throws ConfigurationException if the agent is not configured correctly */ @SuppressWarnings("unchecked") private static Class<?> generateProxyClass(Class<?> actorClass, final ActorClassDescriptor acd) throws NoSuchMethodException { BeanClassDescriptor bcd = acd.getBeanClassDescriptor(); String className = String.format("%s__ACTORPROXY", actorClass.getName()); final String classNameInternal = className.replace('.', '/'); String classNameDescriptor = "L" + classNameInternal + ";"; final Type actorState = Type .getType(acd.getConcurrencyModel().isMultiThreadingCapable() ? MultiThreadedActorState.class : SingleThreadedActorState.class); ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES); MethodVisitor mv; cw.visit(codeVersion, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_SUPER + Opcodes.ACC_SYNTHETIC, classNameInternal, null, Type.getInternalName(actorClass), new String[] { "org/actorsguildframework/internal/ActorProxy" }); cw.visitSource(null, null); { for (int i = 0; i < acd.getMessageCount(); i++) cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL + Opcodes.ACC_STATIC, String.format(MESSAGE_CALLER_NAME_FORMAT, i), "Lorg/actorsguildframework/internal/MessageCaller;", "Lorg/actorsguildframework/internal/MessageCaller<*>;", null).visitEnd(); cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, "actorState__ACTORPROXY", actorState.getDescriptor(), null, null).visitEnd(); } BeanCreator.writePropFields(bcd, cw); { mv = cw.visitMethod(Opcodes.ACC_STATIC, "<clinit>", "()V", null, null); mv.visitCode(); for (int i = 0; i < acd.getMessageCount(); i++) { Class<?> caller = createMessageCaller(acd.getMessage(i).getOwnerClass(), acd.getMessage(i).getMethod()); String mcName = Type.getInternalName(caller); mv.visitTypeInsn(Opcodes.NEW, mcName); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, mcName, "<init>", "()V"); mv.visitFieldInsn(Opcodes.PUTSTATIC, classNameInternal, String.format(MESSAGE_CALLER_NAME_FORMAT, i), "Lorg/actorsguildframework/internal/MessageCaller;"); } mv.visitInsn(Opcodes.RETURN); mv.visitMaxs(0, 0); mv.visitEnd(); } BeanCreator.writeConstructor(actorClass, bcd, classNameInternal, cw, new BeanCreator.SnippetWriter() { @Override public void write(MethodVisitor mv) { mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitTypeInsn(Opcodes.NEW, actorState.getInternalName()); mv.visitInsn(Opcodes.DUP); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, actorState.getInternalName(), "<init>", "(Lorg/actorsguildframework/internal/Controller;Lorg/actorsguildframework/Actor;)V"); mv.visitFieldInsn(Opcodes.PUTFIELD, classNameInternal, "actorState__ACTORPROXY", actorState.getDescriptor()); } }); BeanCreator.writePropAccessors(bcd, classNameInternal, cw); { mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getState__ACTORPROXYMETHOD", "()Lorg/actorsguildframework/internal/ActorState;", null, null); mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, classNameInternal, "actorState__ACTORPROXY", actorState.getDescriptor()); mv.visitInsn(Opcodes.ARETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", classNameDescriptor, null, l0, l1, 0); mv.visitMaxs(0, 0); mv.visitEnd(); } for (int i = 0; i < acd.getMessageCount(); i++) { MessageImplDescriptor mid = acd.getMessage(i); Method method = mid.getMethod(); String simpleDescriptor = Type.getMethodDescriptor(method); String genericSignature = GenericTypeHelper.getSignature(method); writeProxyMethod(classNameInternal, classNameDescriptor, cw, i, actorState, acd.getConcurrencyModel(), mid, method, simpleDescriptor, genericSignature); writeSuperProxyMethod(actorClass, classNameDescriptor, cw, method, simpleDescriptor, genericSignature, !acd.getConcurrencyModel().isMultiThreadingCapable()); } { mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_SYNCHRONIZED, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "toString", "()Ljava/lang/String;"); mv.visitInsn(Opcodes.ARETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", classNameDescriptor, null, l0, l1, 0); mv.visitMaxs(0, 0); mv.visitEnd(); } cw.visitEnd(); try { return (Class<? extends ActorProxy>) GenerationUtils.loadClass(className, cw.toByteArray()); } catch (Exception e) { throw new ConfigurationException("Failure loading ActorProxy", e); } }