List of usage examples for org.objectweb.asm Opcodes ACONST_NULL
int ACONST_NULL
To view the source code for org.objectweb.asm Opcodes ACONST_NULL.
Click Source Link
From source file:org.decojer.cavaj.readers.asm.ReadMethodVisitor.java
License:Open Source License
@Override public void visitInsn(final int opcode) { T t = null;/*www .ja v a2 s .com*/ int iValue = Integer.MIN_VALUE; Object oValue = null; switch (opcode) { case Opcodes.NOP: // nothing to do, ignore break; /******* * ADD * *******/ case Opcodes.DADD: t = T.DOUBLE; // fall through case Opcodes.FADD: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IADD: if (t == null) { t = T.INT; } // fall through case Opcodes.LADD: if (t == null) { t = T.LONG; } add(new ADD(this.ops.size(), opcode, this.line, t)); break; /********* * ALOAD * *********/ case Opcodes.AALOAD: t = T.REF; // fall through case Opcodes.BALOAD: if (t == null) { t = T.SMALL; } // fall through case Opcodes.CALOAD: if (t == null) { t = T.CHAR; } // fall through case Opcodes.DALOAD: if (t == null) { t = T.DOUBLE; } // fall through case Opcodes.FALOAD: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IALOAD: if (t == null) { t = T.INT; } // fall through case Opcodes.LALOAD: if (t == null) { t = T.LONG; } // fall through case Opcodes.SALOAD: if (t == null) { t = T.SHORT; } add(new ALOAD(this.ops.size(), opcode, this.line, t)); break; /******* * AND * *******/ case Opcodes.IAND: t = T.AINT; // fall through case Opcodes.LAND: if (t == null) { t = T.LONG; } add(new AND(this.ops.size(), opcode, this.line, t)); break; /*************** * ARRAYLENGTH * ***************/ case Opcodes.ARRAYLENGTH: add(new ARRAYLENGTH(this.ops.size(), opcode, this.line)); break; /********** * ASTORE * **********/ case Opcodes.AASTORE: t = T.REF; // fall through case Opcodes.BASTORE: if (t == null) { t = T.SMALL; } // fall through case Opcodes.CASTORE: if (t == null) { t = T.CHAR; } // fall through case Opcodes.DASTORE: if (t == null) { t = T.DOUBLE; } // fall through case Opcodes.FASTORE: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IASTORE: if (t == null) { t = T.INT; } // fall through case Opcodes.LASTORE: if (t == null) { t = T.LONG; } // fall through case Opcodes.SASTORE: if (t == null) { t = T.SHORT; } add(new ASTORE(this.ops.size(), opcode, this.line, t)); break; /******** * CAST * ********/ case Opcodes.D2F: t = T.DOUBLE; oValue = T.FLOAT; // fall through case Opcodes.D2I: if (t == null) { t = T.DOUBLE; oValue = T.INT; } // fall through case Opcodes.D2L: if (t == null) { t = T.DOUBLE; oValue = T.LONG; } // fall through case Opcodes.F2D: if (t == null) { t = T.FLOAT; oValue = T.DOUBLE; } // fall through case Opcodes.F2I: if (t == null) { t = T.FLOAT; oValue = T.INT; } // fall through case Opcodes.F2L: if (t == null) { t = T.FLOAT; oValue = T.LONG; } // fall through case Opcodes.I2B: if (t == null) { t = T.INT; oValue = T.BYTE; } // fall through case Opcodes.I2C: if (t == null) { t = T.INT; oValue = T.CHAR; } // fall through case Opcodes.I2D: if (t == null) { t = T.INT; oValue = T.DOUBLE; } // fall through case Opcodes.I2F: if (t == null) { t = T.INT; oValue = T.FLOAT; } // fall through case Opcodes.I2L: if (t == null) { t = T.INT; oValue = T.LONG; } // fall through case Opcodes.I2S: if (t == null) { t = T.INT; oValue = T.SHORT; } // fall through case Opcodes.L2D: if (t == null) { t = T.LONG; oValue = T.DOUBLE; } // fall through case Opcodes.L2F: if (t == null) { t = T.LONG; oValue = T.FLOAT; } // fall through case Opcodes.L2I: if (t == null) { t = T.LONG; oValue = T.INT; } assert oValue instanceof T; add(new CAST(this.ops.size(), opcode, this.line, t, (T) oValue)); break; /******* * CMP * *******/ case Opcodes.DCMPG: t = T.DOUBLE; iValue = CMP.T_G; // fall through case Opcodes.DCMPL: if (t == null) { t = T.DOUBLE; iValue = CMP.T_L; } // fall through case Opcodes.FCMPG: if (t == null) { t = T.FLOAT; iValue = CMP.T_G; } // fall through case Opcodes.FCMPL: if (t == null) { t = T.FLOAT; iValue = CMP.T_L; } // fall through case Opcodes.LCMP: if (t == null) { t = T.LONG; iValue = CMP.T_0; } add(new CMP(this.ops.size(), opcode, this.line, t, iValue)); break; /******* * DIV * *******/ case Opcodes.DDIV: t = T.DOUBLE; // fall through case Opcodes.FDIV: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IDIV: if (t == null) { t = T.INT; } // fall through case Opcodes.LDIV: if (t == null) { t = T.LONG; } add(new DIV(this.ops.size(), opcode, this.line, t)); break; /******* * DUP * *******/ case Opcodes.DUP: oValue = DUP.Kind.DUP; // fall through case Opcodes.DUP_X1: if (oValue == null) { oValue = DUP.Kind.DUP_X1; } // fall through case Opcodes.DUP_X2: if (oValue == null) { oValue = DUP.Kind.DUP_X2; } // fall through case Opcodes.DUP2: if (oValue == null) { oValue = DUP.Kind.DUP2; } // fall through case Opcodes.DUP2_X1: if (oValue == null) { oValue = DUP.Kind.DUP2_X1; } // fall through case Opcodes.DUP2_X2: if (oValue == null) { oValue = DUP.Kind.DUP2_X2; } add(new DUP(this.ops.size(), opcode, this.line, (DUP.Kind) oValue)); break; /*********** * MONITOR * ***********/ case Opcodes.MONITORENTER: oValue = MONITOR.Kind.ENTER; // fall through case Opcodes.MONITOREXIT: if (oValue == null) { oValue = MONITOR.Kind.EXIT; } add(new MONITOR(this.ops.size(), opcode, this.line, (MONITOR.Kind) oValue)); break; /******* * MUL * *******/ case Opcodes.DMUL: t = T.DOUBLE; // fall through case Opcodes.FMUL: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IMUL: if (t == null) { t = T.INT; } // fall through case Opcodes.LMUL: if (t == null) { t = T.LONG; } add(new MUL(this.ops.size(), opcode, this.line, t)); break; /******* * NEG * *******/ case Opcodes.DNEG: t = T.DOUBLE; // fall through case Opcodes.FNEG: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.INEG: if (t == null) { t = T.INT; } // fall through case Opcodes.LNEG: if (t == null) { t = T.LONG; } add(new NEG(this.ops.size(), opcode, this.line, t)); break; /****** * OR * ******/ case Opcodes.IOR: t = T.AINT; // fall through case Opcodes.LOR: if (t == null) { t = T.LONG; } add(new OR(this.ops.size(), opcode, this.line, t)); break; /******* * POP * *******/ case Opcodes.POP: oValue = POP.Kind.POP; // fall through case Opcodes.POP2: if (oValue == null) { oValue = POP.Kind.POP2; } add(new POP(this.ops.size(), opcode, this.line, (POP.Kind) oValue)); break; /******** * PUSH * ********/ case Opcodes.ACONST_NULL: t = T.REF; // fall through case Opcodes.DCONST_0: if (t == null) { oValue = 0D; t = T.DOUBLE; } // fall through case Opcodes.FCONST_0: if (t == null) { oValue = 0F; t = T.FLOAT; } // fall through case Opcodes.ICONST_0: if (t == null) { oValue = 0; t = T.getJvmIntT(0); } // fall through case Opcodes.LCONST_0: if (t == null) { oValue = 0L; t = T.LONG; } // fall through case Opcodes.DCONST_1: if (t == null) { oValue = 1D; t = T.DOUBLE; } // fall through case Opcodes.FCONST_1: if (t == null) { oValue = 1F; t = T.FLOAT; } // fall through case Opcodes.ICONST_1: if (t == null) { oValue = 1; t = T.getJvmIntT(1); } // fall through case Opcodes.LCONST_1: if (t == null) { oValue = 1L; t = T.LONG; } // fall through case Opcodes.FCONST_2: if (t == null) { oValue = 2F; t = T.FLOAT; } // fall through case Opcodes.ICONST_2: if (t == null) { oValue = 2; t = T.getJvmIntT(2); } // fall through case Opcodes.ICONST_3: if (t == null) { oValue = 3; t = T.getJvmIntT(3); } // fall through case Opcodes.ICONST_4: if (t == null) { oValue = 4; t = T.getJvmIntT(4); } // fall through case Opcodes.ICONST_5: if (t == null) { oValue = 5; t = T.getJvmIntT(5); } // fall through case Opcodes.ICONST_M1: if (t == null) { oValue = -1; t = T.getJvmIntT(-1); } add(new PUSH(this.ops.size(), opcode, this.line, t, oValue)); break; /******* * REM * *******/ case Opcodes.DREM: t = T.DOUBLE; // fall through case Opcodes.FREM: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IREM: if (t == null) { t = T.INT; } // fall through case Opcodes.LREM: if (t == null) { t = T.LONG; } add(new REM(this.ops.size(), opcode, this.line, t)); break; /********** * RETURN * **********/ case Opcodes.ARETURN: t = T.REF; // fall through case Opcodes.DRETURN: if (t == null) { t = T.DOUBLE; } // fall through case Opcodes.FRETURN: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IRETURN: if (t == null) { t = T.AINT; } // fall through case Opcodes.LRETURN: if (t == null) { t = T.LONG; } // fall through case Opcodes.RETURN: if (t == null) { t = T.VOID; } add(new RETURN(this.ops.size(), opcode, this.line, t)); break; /******* * SHL * *******/ case Opcodes.ISHL: t = T.INT; // fall through case Opcodes.LSHL: if (t == null) { t = T.LONG; } add(new SHL(this.ops.size(), opcode, this.line, t, T.INT)); break; /******* * SHR * *******/ case Opcodes.ISHR: case Opcodes.IUSHR: t = T.INT; // fall through case Opcodes.LSHR: case Opcodes.LUSHR: if (t == null) { t = T.LONG; } add(new SHR(this.ops.size(), opcode, this.line, t, T.INT, opcode == Opcodes.IUSHR || opcode == Opcodes.LUSHR)); break; /******* * SUB * *******/ case Opcodes.DSUB: t = T.DOUBLE; // fall through case Opcodes.FSUB: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.ISUB: if (t == null) { t = T.INT; } // fall through case Opcodes.LSUB: if (t == null) { t = T.LONG; } add(new SUB(this.ops.size(), opcode, this.line, t)); break; /******** * SWAP * ********/ case Opcodes.SWAP: add(new SWAP(this.ops.size(), opcode, this.line)); break; /********* * THROW * *********/ case Opcodes.ATHROW: add(new THROW(this.ops.size(), opcode, this.line)); break; /******* * XOR * *******/ case Opcodes.IXOR: t = T.AINT; // fall through case Opcodes.LXOR: { if (t == null) { t = T.LONG; } add(new XOR(this.ops.size(), opcode, this.line, t)); break; } default: log.warn(getM() + ": Unknown insn opcode '" + opcode + "'!"); } }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.AbstractCreateDispatchCodeAdapter.java
License:Open Source License
protected InsnList getDispatchCode(MethodNode method, int joinPointId, int boundMethodId) { InsnList instructions = new InsnList(); // teams = TeamManager.getTeams(joinpointId) instructions.add(createLoadIntConstant(joinPointId)); instructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ClassNames.TEAM_MANAGER_SLASH, ConstantMembers.getTeams.getName(), ConstantMembers.getTeams.getSignature(), false)); instructions.add(createInstructionsToCheackTeams(method)); // get the first team instructions.add(new InsnNode(Opcodes.DUP)); instructions.add(new InsnNode(Opcodes.ICONST_0)); instructions.add(new InsnNode(Opcodes.AALOAD)); instructions.add(new InsnNode(Opcodes.SWAP)); if (isStatic) { instructions.add(new InsnNode(Opcodes.ACONST_NULL)); } else {/*from w w w . j a va 2 s.c o m*/ // put "this" on the stack and cast it to IBoundBase2 instructions.add(new IntInsnNode(Opcodes.ALOAD, 0)); instructions.add(new TypeInsnNode(Opcodes.CHECKCAST, ClassNames.I_BOUND_BASE_SLASH)); } instructions.add(new InsnNode(Opcodes.SWAP)); // start index instructions.add(new InsnNode(Opcodes.ICONST_0)); // TeamManager.getCallinIds(joinpointId) instructions.add(createLoadIntConstant(joinPointId)); instructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ClassNames.TEAM_MANAGER_SLASH, ConstantMembers.getCallinIds.getName(), ConstantMembers.getCallinIds.getSignature(), false)); instructions.add(createLoadIntConstant(boundMethodId)); args = Type.getArgumentTypes(method.desc); // box the arguments instructions.add(getBoxedArguments(args)); instructions.add(new MethodInsnNode(Opcodes.INVOKEINTERFACE, ClassNames.ITEAM_SLASH, ConstantMembers.callAllBindingsTeam.getName(), ConstantMembers.callAllBindingsTeam.getSignature(), true)); Type returnType = Type.getReturnType(method.desc); instructions.add(getUnboxingInstructionsForReturnValue(returnType)); return instructions; }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.AbstractTransformableClassNode.java
License:Open Source License
/** * Replace all return statements in the given instructions with new * statements that convert the real return value to {@link Object} * and return this new {@link Object}// w ww .j a va2 s. com * * @param instructions * @param returnType */ protected void replaceReturn(InsnList instructions, Type returnType) { if (returnType.getSort() != Type.OBJECT && returnType.getSort() != Type.ARRAY && returnType.getSort() != Type.VOID) { ListIterator<AbstractInsnNode> orgMethodIter = instructions.iterator(); while (orgMethodIter.hasNext()) { AbstractInsnNode orgMethodNode = orgMethodIter.next(); if (orgMethodNode.getOpcode() == returnType.getOpcode(Opcodes.IRETURN)) { instructions.insertBefore(orgMethodNode, AsmTypeHelper.getBoxingInstructionForType(returnType)); instructions.insertBefore(orgMethodNode, new InsnNode(Opcodes.ARETURN)); instructions.remove(orgMethodNode); } } } else if (returnType.getSort() == Type.VOID) { ListIterator<AbstractInsnNode> orgMethodIter = instructions.iterator(); while (orgMethodIter.hasNext()) { AbstractInsnNode orgMethodNode = orgMethodIter.next(); if (orgMethodNode.getOpcode() == Opcodes.RETURN) { instructions.insertBefore(orgMethodNode, new InsnNode(Opcodes.ACONST_NULL)); instructions.insertBefore(orgMethodNode, new InsnNode(Opcodes.ARETURN)); instructions.remove(orgMethodNode); } } } }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.AddAfterClassLoadingHook.java
License:Open Source License
void createHookCall(MethodVisitor clinit) { if (clazz.isTeam()) clinit.visitLdcInsn(Type.getObjectType(clazz.getName().replace('.', '/'))); else//from w w w . ja v a2 s . c om clinit.visitInsn(Opcodes.ACONST_NULL); clinit.visitMethodInsn(INVOKESTATIC, TARGET_CLASS_NAME, TARGET_METHOD_NAME, TARGET_METHOD_DESC, false); }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.AddEmptyMethodAdapter.java
License:Open Source License
@Override public void visitEnd() { MethodVisitor mv = cv.visitMethod(access, name, desc, signature, exceptions); if ((this.access & Opcodes.ACC_ABSTRACT) != 0) { mv.visitEnd();/*from w ww .j a va 2 s .c o m*/ return; } mv.visitCode(); boolean needConstValue = true; if (superToCall != null) { needConstValue = false; boolean isStatic = (this.access & Opcodes.ACC_STATIC) != 0; int firstArgIndex = isStatic ? 0 : 1; if (!isStatic) mv.visitVarInsn(Opcodes.ALOAD, 0); // "this" Type[] args = Type.getArgumentTypes(desc); for (int i = 0, slot = firstArgIndex; i < args.length; slot += args[i++].getSize()) mv.visitVarInsn(args[i].getOpcode(Opcodes.ILOAD), slot); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, superToCall, name, desc, false); } Type returnType = Type.getReturnType(this.desc); switch (returnType.getSort()) { case Type.VOID: mv.visitInsn(Opcodes.RETURN); break; case Type.INT: case Type.BOOLEAN: case Type.CHAR: case Type.BYTE: case Type.SHORT: if (needConstValue) mv.visitInsn(Opcodes.ICONST_1); mv.visitInsn(Opcodes.IRETURN); break; case Type.FLOAT: if (needConstValue) mv.visitInsn(Opcodes.FCONST_1); mv.visitInsn(Opcodes.FRETURN); break; case Type.LONG: if (needConstValue) mv.visitInsn(Opcodes.LCONST_1); mv.visitInsn(Opcodes.LRETURN); break; case Type.DOUBLE: case Type.OBJECT: case Type.ARRAY: if (needConstValue) mv.visitInsn(Opcodes.ACONST_NULL); mv.visitInsn(Opcodes.ARETURN); break; } mv.visitMaxs(1, maxLocals); mv.visitEnd(); }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.AddThreadNotificationAdapter.java
License:Open Source License
@Override public MethodVisitor visitMethod(int access, String methodName, String desc, String signature, String[] exceptions) {// w w w . ja v a 2s . c om if (INIT.equals(methodName)) { // into each constructor ... final MethodVisitor methodVisitor = cv.visitMethod(access, methodName, desc, null, null); return new AdviceAdapter(this.api, methodVisitor, access, methodName, desc) { @Override public void invokeConstructor(Type type, Method method) { super.invokeConstructor(type, method); // ... that contains a super(..) call (rather than this(..)): if (type.getInternalName().equals(clazz.getInternalSuperClassName())) { // insert: // this._OT$creationThread = Thread.currentThread(); methodVisitor.visitIntInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, ClassNames.THREAD_SLASH, CURRENT_THREAD, CURRENT_THREAD_DESC, false); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, clazz.getInternalName(), CREATION_THREAD, THREAD_DESC); } } }; } else if (RUN.equals(methodName) && RUN_DESC.equals(desc)) { final MethodVisitor methodVisitor = cv.visitMethod(access, methodName, desc, null, null); return new AdviceAdapter(this.api, methodVisitor, access, methodName, desc) { Label start = new Label(); // start of method (scope of new local) Label end = new Label(); // end of method int isThreadStartIdx; // new local: boolean _OT$isThreadStart @Override protected void onMethodEnter() { methodVisitor.visitLabel(start); isThreadStartIdx = newLocal(Type.BOOLEAN_TYPE); methodVisitor.visitLocalVariable("_OT$isThreadStart", "Z", null, start, end, isThreadStartIdx); // TeamThreadManager.newThreadStarted(false, this._OT$creationThread) methodVisitor.visitInsn(Opcodes.ICONST_0); methodVisitor.visitIntInsn(Opcodes.ALOAD, 0); methodVisitor.visitFieldInsn(Opcodes.GETFIELD, clazz.getInternalName(), CREATION_THREAD, THREAD_DESC); methodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, ClassNames.TEAM_THREAD_MANAGER_SLASH, NEW_THREAD_STARTED, NEW_THREAD_STARTED_DESC, false); methodVisitor.visitIntInsn(Opcodes.ISTORE, isThreadStartIdx); // this._OT$creationThread = null; // avoid leak methodVisitor.visitIntInsn(Opcodes.ALOAD, 0); methodVisitor.visitInsn(Opcodes.ACONST_NULL); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, clazz.getInternalName(), CREATION_THREAD, THREAD_DESC); } @Override protected void onMethodExit(int opcode) { insertThreadEndedNotification(); } @Override public void endMethod() { methodVisitor.visitLabel(end); // insert another threadEnded notification as a handler for Throwable Label handler = new Label(); methodVisitor.visitLabel(handler); insertThreadEndedNotification(); methodVisitor.visitInsn(Opcodes.ATHROW); // rethrow caught exception methodVisitor.visitTryCatchBlock(start, end, handler, ClassNames.THROWABLE_SLASH); methodVisitor.visitMaxs(0, 0); } void insertThreadEndedNotification() { Label skip = new Label(); // insert: // if (_OT$isThreadStart) TeamThreadManager.threadEnded(); methodVisitor.visitIntInsn(Opcodes.ILOAD, isThreadStartIdx); methodVisitor.visitJumpInsn(Opcodes.IFEQ, skip); methodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, ClassNames.TEAM_THREAD_MANAGER_SLASH, THREAD_ENDED, THREAD_ENDED_DESC, false); methodVisitor.visitLabel(skip); } }; } return null; }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.CreateCallAllBindingsCallInOrgMethod.java
License:Open Source License
protected InsnList getReturnInsn(Type returnType) { InsnList instructions = new InsnList(); switch (returnType.getSort()) { case Type.VOID: instructions.add(new InsnNode(Opcodes.RETURN)); break;/*from w w w. j a v a2 s .c o m*/ case Type.ARRAY: case Type.OBJECT: instructions.add(new InsnNode(Opcodes.ACONST_NULL)); instructions.add(new InsnNode(Opcodes.ARETURN)); break; case Type.BOOLEAN: case Type.CHAR: case Type.BYTE: case Type.INT: case Type.SHORT: case Type.LONG: instructions.add(new InsnNode(Opcodes.ICONST_0)); instructions.add(new InsnNode(Opcodes.IRETURN)); break; case Type.DOUBLE: instructions.add(new InsnNode(Opcodes.DCONST_0)); instructions.add(new InsnNode(Opcodes.DRETURN)); break; case Type.FLOAT: instructions.add(new InsnNode(Opcodes.FCONST_0)); instructions.add(new InsnNode(Opcodes.FRETURN)); break; } return instructions; }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.CreateFieldAccessAdapter.java
License:Open Source License
@Override public boolean transform() { InsnList instructions = new InsnList(); // put accessId on the stack instructions.add(new IntInsnNode(Opcodes.ILOAD, firstArgIndex + 1)); // read or write access LabelNode writeAccess = new LabelNode(); instructions.add(new JumpInsnNode(Opcodes.IFNE, writeAccess)); // read access if (field.isStatic()) { // get value of field instructions.add(new FieldInsnNode(Opcodes.GETSTATIC, name, field.getName(), field.getSignature())); } else {//from w w w. ja va2 s.c o m // put "this" on the stack instructions.add(new IntInsnNode(Opcodes.ALOAD, 0)); // get value of field instructions.add(new FieldInsnNode(Opcodes.GETFIELD, name, field.getName(), field.getSignature())); } //box value as "Object" Type type = Type.getType(field.getSignature()); instructions.add(AsmTypeHelper.getBoxingInstructionForType(type)); instructions.add(new InsnNode(Opcodes.ARETURN)); //write access instructions.add(writeAccess); //put "args" on the stack instructions.add(new IntInsnNode(Opcodes.ALOAD, firstArgIndex + 2)); //get the first element of "args" instructions.add(new InsnNode(Opcodes.ICONST_0)); instructions.add(new InsnNode(Opcodes.AALOAD)); //unbox it if (type.getSort() != Type.ARRAY && type.getSort() != Type.OBJECT) { String objectType = AsmTypeHelper.getObjectType(type); instructions.add(new TypeInsnNode(Opcodes.CHECKCAST, objectType)); instructions.add(AsmTypeHelper.getUnboxingInstructionForType(type, objectType)); } else { instructions.add(new TypeInsnNode(Opcodes.CHECKCAST, type.getInternalName())); } if (field.isStatic()) { //save value in field instructions.add(new FieldInsnNode(Opcodes.PUTSTATIC, name, field.getName(), field.getSignature())); } else { //put "this" on the stack instructions.add(new IntInsnNode(Opcodes.ALOAD, 0)); instructions.add(new InsnNode(Opcodes.SWAP)); //save value in field instructions.add(new FieldInsnNode(Opcodes.PUTFIELD, name, field.getName(), field.getSignature())); } //dummy return instructions.add(new InsnNode(Opcodes.ACONST_NULL)); instructions.add(new InsnNode(Opcodes.ARETURN)); //add the instructions to a new label in the existing switch MethodNode method = getMethod(access); addNewLabelToSwitch(method.instructions, instructions, accessId); return true; }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.CreateMethodAccessAdapter.java
License:Open Source License
@Override public boolean transform() { MethodNode methodNode = getMethod(method); InsnList instructions = new InsnList(); if (isConstructor) { // create empty object for constructor invocation: instructions.add(new TypeInsnNode(Opcodes.NEW, name)); instructions.add(new InsnNode(Opcodes.DUP)); } else if (!method.isStatic()) { //put "this" on the stack for a non-static method instructions.add(new IntInsnNode(Opcodes.ALOAD, 0)); }//from ww w . j a v a2s . c o m //Unbox arguments Type[] args = Type.getArgumentTypes(methodNode.desc); if (args.length > 0) { for (int i = 0; i < args.length; i++) { instructions.add(new IntInsnNode(Opcodes.ALOAD, firstArgIndex + 2)); instructions.add(createLoadIntConstant(i)); instructions.add(new InsnNode(Opcodes.AALOAD)); Type arg = args[i]; if (arg.getSort() != Type.ARRAY && arg.getSort() != Type.OBJECT) { String objectType = AsmTypeHelper.getObjectType(arg); instructions.add(new TypeInsnNode(Opcodes.CHECKCAST, objectType)); instructions.add(AsmTypeHelper.getUnboxingInstructionForType(arg, objectType)); } else { instructions.add(new TypeInsnNode(Opcodes.CHECKCAST, arg.getInternalName())); } } } //call original method int opcode = Opcodes.INVOKEVIRTUAL; if (method.isStatic()) { opcode = Opcodes.INVOKESTATIC; } else if (isConstructor) { opcode = Opcodes.INVOKESPECIAL; } instructions.add(new MethodInsnNode(opcode, name, method.getName(), method.getSignature())); //box return value Type returnType = Type.getReturnType(methodNode.desc); if (returnType.getSort() != Type.OBJECT && returnType.getSort() != Type.ARRAY && returnType.getSort() != Type.VOID) { instructions.add(AsmTypeHelper.getBoxingInstructionForType(returnType)); instructions.add(new InsnNode(Opcodes.ARETURN)); } else if (returnType.getSort() == Type.VOID && !isConstructor) { instructions.add(new InsnNode(Opcodes.ACONST_NULL)); instructions.add(new InsnNode(Opcodes.ARETURN)); } else { instructions.add(new InsnNode(Opcodes.ARETURN)); } //add the instructions to a new label in the existing switch MethodNode access = getMethod(this.access); addNewLabelToSwitch(access.instructions, instructions, accessId); return true; }
From source file:org.eclipse.objectteams.otredyn.bytecode.asm.CreateSwitchAdapter.java
License:Open Source License
/** * Adds instructions for the default label. * @param method//from w w w . j av a 2s .c om */ protected void addInstructionForDefaultLabel(MethodNode method) { method.instructions.add(new InsnNode(Opcodes.ACONST_NULL)); method.instructions.add(new InsnNode(Opcodes.ARETURN)); }