List of usage examples for org.objectweb.asm Opcodes INVOKEINTERFACE
int INVOKEINTERFACE
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From source file:org.zoeey.ztpl.compiler.ByteCodeHelper.java
License:LGPL
/** * //from www. j a v a 2 s .c o m * @param className ?? * @param paramsPos ? * @param pos */ public void callFunction(String className, int paramsPos) { String classPath = className.replace('.', '/'); /** * ? */ mv.visitTypeInsn(Opcodes.NEW, classPath); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, classPath, "<init>", "()V"); // invoke call() mv.visitVarInsn(Opcodes.ALOAD, paramsPos); mv.visitVarInsn(Opcodes.ALOAD, VAR_INDEX_ZTPL); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, FunctionAble.class.getName().replace('.', '/'), "call", // "(Lorg/zoeey/ztpl/ParamsMap;Lorg/zoeey/ztpl/Ztpl;)Ljava/lang/String;"); }
From source file:org.zoeey.ztpl.compiler.ByteCodeHelper.java
License:LGPL
/** * ???ParamsMap/*from www .jav a 2 s. c o m*/ * ?paramsMap.put(key,value); * @param mapPos ParamsMap? * @param key * @param valuePos ?? */ public void putToMap(int mapPos, String key, int valuePos) { mv.visitVarInsn(Opcodes.ALOAD, mapPos); mv.visitLdcInsn(key); mv.visitVarInsn(Opcodes.ALOAD, valuePos); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); mv.visitInsn(Opcodes.POP); }
From source file:org.zoeey.ztpl.compiler.ByteCodeHelper.java
License:LGPL
/** * ???ParamsMap//from w ww . j a v a2s .c om * ?paramsMap.get(key); * @param mapPos ParamsMap? * @param key * @param valuePos ?? * @return pos ? */ public int getFromMap(int mapPos, String key) { int pos = tracker.next(); mv.visitVarInsn(Opcodes.ALOAD, mapPos); mv.visitLdcInsn(key); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "get", "(Ljava/lang/Object;)Ljava/lang/Object;"); mv.visitVarInsn(Opcodes.ASTORE, pos); return pos; }
From source file:pku.sei.checkedcoverage.slicing.Slicer.java
License:Creative Commons License
public void process(ThreadId threadId, final List<SlicingCriterion> sc, boolean multithreaded) throws InterruptedException { DependencesExtractor<SlicerInstance> depExtractor = DependencesExtractor.forTrace(this.trace, SlicerInstanceFactory.instance); for (ProgressMonitor mon : this.progressMonitors) depExtractor.addProgressMonitor(mon); VisitorCapability[] capabilities = { VisitorCapability.CONTROL_DEPENDENCES, VisitorCapability.DATA_DEPENDENCES_READ_AFTER_WRITE, VisitorCapability.INSTRUCTION_EXECUTIONS, VisitorCapability.METHOD_ENTRY_LEAVE, VisitorCapability.CONTROL_DEPENDENCES }; if (this.untracedCallVisitors.size() > 0) capabilities[capabilities.length - 1] = VisitorCapability.UNTRACED_METHOD_CALLS; final List<SliceVisitor> sliceVisitors0 = Slicer.this.sliceVisitors; final List<UntracedCallVisitor> untracedCallVisitors0 = Slicer.this.untracedCallVisitors; depExtractor.registerVisitor(new DependencesVisitorAdapter<SlicerInstance>() { private final List<SlicingCriterionInstance> slicingCritInst = instantiateSlicingCriteria(sc); @SuppressWarnings("unchecked") private IntegerMap<Object>[] interestingLocalVariables = (IntegerMap<Object>[]) new IntegerMap<?>[0]; private long[] critOccurenceNumbers = new long[2]; // 0 if not in a criterion private final SliceVisitor[] sliceVisitorsArray = sliceVisitors0 .toArray(new SliceVisitor[sliceVisitors0.size()]); private final UntracedCallVisitor[] untracedCallsVisitorsArray = untracedCallVisitors0 .toArray(new UntracedCallVisitor[untracedCallVisitors0.size()]); private ReadMethod enteredMethod; private List<SlicingCriterionInstance> instantiateSlicingCriteria(List<SlicingCriterion> criteria) { if (criteria.isEmpty()) return Collections.emptyList(); else if (criteria.size() == 1) return Collections.singletonList(criteria.get(0).getInstance()); else { List<SlicingCriterionInstance> instances = new ArrayList<SlicingCriterionInstance>( criteria.size()); for (SlicingCriterion crit : criteria) instances.add(crit.getInstance()); return instances; }//www .j av a 2 s . co m } @Override public void visitInstructionExecution(SlicerInstance instance) { int stackDepth = instance.getStackDepth(); if (this.critOccurenceNumbers.length <= stackDepth) { long[] newCritOccurenceNumbers = new long[2 * Math.max(this.critOccurenceNumbers.length, stackDepth)]; System.arraycopy(this.critOccurenceNumbers, 0, newCritOccurenceNumbers, 0, this.critOccurenceNumbers.length); this.critOccurenceNumbers = newCritOccurenceNumbers; } Instruction instruction = instance.getInstruction(); for (SlicingCriterionInstance crit : this.slicingCritInst) { if (crit.matches(instance)) { this.critOccurenceNumbers[stackDepth] = crit.getOccurenceNumber(); assert (this.critOccurenceNumbers[stackDepth] > 0); // for each criterion, there are three cases: // - track all data read in this line // - track a given set of local variables // - track the control dependences of this instruction // only in the last case, the instructions from that line are added to the dynamic slice if (crit.matchAllData()) { instance.allDataInteresting = true; instance.onlyIfAfterCriterion = true; instance.onDynamicSlice = true; // it's not really on the dynamic slice, but we have to set this instance.criterionDistance = 0; } else { if (crit.hasLocalVariables()) { if (this.interestingLocalVariables.length <= stackDepth) { @SuppressWarnings("unchecked") IntegerMap<Object>[] newInterestingLocalVariables = (IntegerMap<Object>[]) new IntegerMap<?>[Math .max(stackDepth + 1, this.interestingLocalVariables.length * 3 / 2)]; System.arraycopy(this.interestingLocalVariables, 0, newInterestingLocalVariables, 0, this.interestingLocalVariables.length); this.interestingLocalVariables = newInterestingLocalVariables; } List<LocalVariable> localVariables = crit.getLocalVariables(); if (this.interestingLocalVariables[stackDepth] == null) this.interestingLocalVariables[stackDepth] = new IntegerMap<Object>( localVariables.size() * 4 / 3 + 1); for (LocalVariable i : localVariables) this.interestingLocalVariables[stackDepth].put(i.getIndex(), null); } else { Instruction insn = instruction; if (insn.getType() != InstructionType.LABEL) for (SliceVisitor vis : this.sliceVisitorsArray) vis.visitMatchedInstance(instance); instance.onDynamicSlice = true; instance.criterionDistance = 0; } } } else if (this.critOccurenceNumbers[stackDepth] != 0) { this.critOccurenceNumbers[stackDepth] = 0; } } if (this.interestingLocalVariables.length > stackDepth && this.interestingLocalVariables[stackDepth] != null) { switch (instruction.getOpcode()) { case Opcodes.ISTORE: case Opcodes.ASTORE: case Opcodes.LSTORE: case Opcodes.FSTORE: case Opcodes.DSTORE: VarInstruction varInsn = (VarInstruction) instruction; if (this.interestingLocalVariables[stackDepth].containsKey(varInsn.getLocalVarIndex())) { this.interestingLocalVariables[stackDepth].remove(varInsn.getLocalVarIndex()); if (this.interestingLocalVariables[stackDepth].isEmpty()) this.interestingLocalVariables[stackDepth] = null; for (SliceVisitor vis : this.sliceVisitorsArray) vis.visitMatchedInstance(instance); instance.onDynamicSlice = true; // and we want to know where the data comes from... instance.allDataInteresting = true; instance.criterionDistance = 0; } break; case Opcodes.INVOKEINTERFACE: case Opcodes.INVOKESPECIAL: case Opcodes.INVOKESTATIC: case Opcodes.INVOKEVIRTUAL: if (this.enteredMethod != null) { MethodInvocationInstruction mtdInvInsn = (MethodInvocationInstruction) instruction; int paramCount = instruction.getOpcode() == INVOKESTATIC ? 0 : 1; for (int param = mtdInvInsn.getParameterCount() - 1; param >= 0; --param) paramCount += mtdInvInsn.parameterIsLong(param) ? 2 : 1; boolean enteredMethodMatches = this.enteredMethod.getName() .equals(mtdInvInsn.getInvokedMethodName()) && this.enteredMethod.getDesc().equals(mtdInvInsn.getInvokedMethodDesc()); if (enteredMethodMatches) { boolean localVarsMatched = false; for (int varNr = 0; varNr < paramCount; ++varNr) { if (this.interestingLocalVariables[stackDepth].containsKey(varNr)) { this.interestingLocalVariables[stackDepth].remove(varNr); if (this.interestingLocalVariables[stackDepth].isEmpty()) this.interestingLocalVariables[stackDepth] = null; localVarsMatched = true; instance.onDynamicSlice = true; // and we want to know where the data comes from... // TODO instance.allDataInteresting = true; instance.criterionDistance = 0; } } if (localVarsMatched) for (SliceVisitor vis : this.sliceVisitorsArray) vis.visitMatchedInstance(instance); } } } } this.enteredMethod = null; } @Override public void visitControlDependence(SlicerInstance from, SlicerInstance to) { if (from.onDynamicSlice) { Instruction insn = to.getInstruction(); if (insn.getType() == InstructionType.LABEL || insn.getOpcode() == Opcodes.GOTO) { if (to.predecessors == null) to.predecessors = Collections.singleton(from); else { if (to.predecessors.size() == 1) to.predecessors = new HashSet<SlicerInstance>(to.predecessors); to.predecessors.add(from); } if (from.criterionDistance < to.criterionDistance) to.criterionDistance = from.criterionDistance; } else if (from.predecessors != null) { assert (!from.predecessors.isEmpty()); for (SlicerInstance pred : from.predecessors) { int distance = pred.criterionDistance + 1; delegateControlSliceDependence(pred, to, distance); if (distance < to.criterionDistance) to.criterionDistance = distance; } } else { int distance = from.criterionDistance + 1; delegateControlSliceDependence(from, to, distance); if (distance < to.criterionDistance) to.criterionDistance = distance; } to.onDynamicSlice = true; } } private void delegateControlSliceDependence(SlicerInstance from, SlicerInstance to, int distance) { for (SliceVisitor vis : this.sliceVisitorsArray) vis.visitSliceDependence(from, to, null, distance); // since "to" controls the execution of "from", we want to track all data dependences of "to" // to find out why it took this decision // exception: method invocations; here we only want to track why the method was executed, // but not the data that it consumed // important to check that "from" comes from inside the method which is called by "from" boolean calledMethodDependence = false; if (to.getInstruction().getType() == InstructionType.METHODINVOCATION) { MethodInvocationInstruction mtdInv = (MethodInvocationInstruction) to.getInstruction(); ReadMethod calledMethod = from.getInstruction().getMethod(); if (mtdInv.getInvokedMethodName().equals(calledMethod.getName()) && mtdInv.getInvokedMethodDesc().equals(calledMethod.getDesc())) { calledMethodDependence = true; } } if (!calledMethodDependence) { to.allDataInteresting = true; } } @Override public void visitDataDependence(SlicerInstance from, SlicerInstance to, Collection<? extends Variable> fromVars, Variable toVar, DataDependenceType type) throws InterruptedException { assert type == DataDependenceType.READ_AFTER_WRITE; if (from.onDynamicSlice && // from must definitively be on the dynamic slice ((from.allDataInteresting && (!from.onlyIfAfterCriterion || this.critOccurenceNumbers[to.getStackDepth()] == 0)) || // and either we want to track all data dependencies (from.interestingVariable != null && ( // or (if the interestingVariable is set) ... from.interestingVariable.equals(toVar) || // the interestingVariable must be the one we are just visiting (from.moreInterestingVariables != null && from.moreInterestingVariables.contains(toVar)))))) { // or it must be in the set of more variables Instruction insn = to.getInstruction(); assert insn.getType() != InstructionType.LABEL; if (from.onlyIfAfterCriterion) { to.criterionDistance = 0; for (SliceVisitor vis : this.sliceVisitorsArray) vis.visitMatchedInstance(to); } else { int distance = from.criterionDistance + 1; if (distance < to.criterionDistance) to.criterionDistance = distance; for (SliceVisitor vis : this.sliceVisitorsArray) vis.visitSliceDependence(from, to, toVar, distance); } if (!fromVars.isEmpty()) { Iterator<? extends Variable> varIt = fromVars.iterator(); assert varIt .hasNext() : "Iterator of a non-empty collection should have at least one element"; Variable first = varIt.next(); if (to.interestingVariable == null || to.interestingVariable.equals(first)) { to.interestingVariable = first; first = varIt.hasNext() ? varIt.next() : null; } if (first != null) { if (to.moreInterestingVariables == null) to.moreInterestingVariables = new HashSet<Variable>(8); to.moreInterestingVariables.add(first); while (varIt.hasNext()) to.moreInterestingVariables.add(varIt.next()); } } to.onDynamicSlice = true; } } @Override public void visitMethodLeave(ReadMethod method, int stackDepth) throws InterruptedException { if (this.interestingLocalVariables.length > stackDepth && this.interestingLocalVariables[stackDepth] != null) { this.interestingLocalVariables[stackDepth] = null; } } @Override public void visitMethodEntry(ReadMethod method, int stackDepth) throws InterruptedException { if (this.interestingLocalVariables.length > stackDepth && this.interestingLocalVariables[stackDepth] != null) { this.enteredMethod = method; this.interestingLocalVariables[stackDepth] = null; } } @Override public void visitUntracedMethodCall(SlicerInstance instrInstance) throws InterruptedException { for (UntracedCallVisitor vis : this.untracedCallsVisitorsArray) vis.visitUntracedMethodCall(instrInstance); } }, capabilities); depExtractor.processBackwardTrace(threadId, multithreaded); }
From source file:vazkii.quark.base.asm.ClassTransformer.java
License:Creative Commons License
private static byte[] transformRenderBoat(byte[] basicClass) { log("Transforming RenderBoat"); MethodSignature sig = new MethodSignature("doRender", "func_188300_b", "b", "(Lnet/minecraft/entity/item/EntityBoat;DDDFF)V"); return transform(basicClass, Pair.of(sig, combine((AbstractInsnNode node) -> { // Filter return (node.getOpcode() == Opcodes.INVOKEVIRTUAL || node.getOpcode() == Opcodes.INVOKEINTERFACE) && checkDesc(((MethodInsnNode) node).desc, "(Lnet/minecraft/entity/Entity;FFFFFF)V"); }, (MethodNode method, AbstractInsnNode node) -> { // Action InsnList newInstructions = new InsnList(); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 1)); newInstructions.add(new VarInsnNode(Opcodes.FLOAD, 9)); newInstructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ASM_HOOKS, "renderBannerOnBoat", "(Lnet/minecraft/entity/item/EntityBoat;F)V")); method.instructions.insert(node, newInstructions); return true; })));// w w w . j a v a2 s . c o m }
From source file:vazkii.quark.base.asm.ClassTransformer.java
License:Creative Commons License
private static byte[] transformBlockPistonBase(byte[] basicClass) { log("Transforming BlockPistonBase"); MethodSignature sig1 = new MethodSignature("doMove", "func_176319_a", "a", "(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/EnumFacing;Z)Z"); MethodSignature sig2 = new MethodSignature("canPush", "func_185646_a", "a", "(Lnet/minecraft/block/state/IBlockState;Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/EnumFacing;ZLnet/minecraft/util/EnumFacing;)Z"); byte[] transClass = transform(basicClass, Pair.of(sig1, combine((AbstractInsnNode node) -> { // Filter return node.getOpcode() == Opcodes.ASTORE && ((VarInsnNode) node).var == 11; }, (MethodNode method, AbstractInsnNode node) -> { // Action InsnList newInstructions = new InsnList(); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 1)); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 2)); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 6)); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 8)); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 11)); newInstructions.add(new VarInsnNode(Opcodes.ILOAD, 4)); newInstructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ASM_HOOKS, "breakStuffWithSpikes", "(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Ljava/util/List;Ljava/util/List;Lnet/minecraft/util/EnumFacing;Z)Z")); // recalculate the list and array sizes LabelNode label = new LabelNode(); newInstructions.add(new JumpInsnNode(Opcodes.IFEQ, label)); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 6)); newInstructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE, "java/util/List", "size", "()I")); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 8)); newInstructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE, "java/util/List", "size", "()I")); newInstructions.add(new InsnNode(Opcodes.IADD)); newInstructions.add(new VarInsnNode(Opcodes.ISTORE, 9)); newInstructions.add(new VarInsnNode(Opcodes.ILOAD, 9)); AbstractInsnNode newNode = node.getPrevious(); while (true) { if (newNode.getOpcode() == Opcodes.ANEWARRAY) { newInstructions.add(new TypeInsnNode(Opcodes.ANEWARRAY, ((TypeInsnNode) newNode).desc)); break; }// w ww . j a v a2s .c om newNode = newNode.getPrevious(); } newInstructions.add(new VarInsnNode(Opcodes.ASTORE, 10)); newInstructions.add(label); method.instructions.insert(node, newInstructions); return true; }))); transClass = transform(transClass, Pair.of(sig2, combine((AbstractInsnNode node) -> { // Filter return node.getOpcode() == Opcodes.INVOKEVIRTUAL && ((MethodInsnNode) node).name.equals("hasTileEntity"); }, (MethodNode method, AbstractInsnNode node) -> { // Action InsnList newInstructions = new InsnList(); newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ASM_HOOKS, "shouldPistonMoveTE", "(ZLnet/minecraft/block/state/IBlockState;)Z")); method.instructions.insert(node, newInstructions); return true; }))); return transClass; }