List of usage examples for org.objectweb.asm Opcodes SWAP
int SWAP
To view the source code for org.objectweb.asm Opcodes SWAP.
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From source file:asmlib.Util.java
License:Open Source License
/** Generates code needed to swap the two types received, when they are at the top of the stack, * even if one or both of them occupy two slots (are longs or doubles). **//* w w w. j a v a 2 s . co m*/ public static void swap(MethodVisitor mv, Type stackTop, Type belowTop) { if (stackTop.getNumberSlots() == 1) { if (belowTop.getNumberSlots() == 1) { // Top = 1, below = 1 mv.visitInsn(Opcodes.SWAP); } else { // Top = 1, below = 2 mv.visitInsn(Opcodes.DUP_X2); mv.visitInsn(Opcodes.POP); } } else { if (belowTop.getNumberSlots() == 1) { // Top = 2, below = 1 mv.visitInsn(Opcodes.DUP2_X1); } else { // Top = 2, below = 2 mv.visitInsn(Opcodes.DUP2_X2); } mv.visitInsn(Opcodes.POP2); } }
From source file:br.usp.each.saeg.badua.core.internal.instr.InstrSupport.java
License:Open Source License
public static void swap(final MethodVisitor mv, final Type stackTop, final Type belowTop) { if (stackTop.getSize() == 1) { if (belowTop.getSize() == 1) { // Top = 1, below = 1 mv.visitInsn(Opcodes.SWAP); } else {//from w w w. j a va 2s .c om // Top = 1, below = 2 mv.visitInsn(Opcodes.DUP_X2); mv.visitInsn(Opcodes.POP); } } else { if (belowTop.getSize() == 1) { // Top = 2, below = 1 mv.visitInsn(Opcodes.DUP2_X1); } else { // Top = 2, below = 2 mv.visitInsn(Opcodes.DUP2_X2); } mv.visitInsn(Opcodes.POP2); } }
From source file:bytecode.InstructionExporter.java
License:Apache License
/** * Outputs stack operations (SWAP, DUP, etc.). * * @param instruction Stack operation./*from ww w. j av a 2 s . c om*/ * @return <code>null</code> */ @Override public Void visit(StackOperation instruction) { switch (instruction.getSort()) { case SWAP: mv.visitInsn(Opcodes.SWAP); break; case POP: mv.visitInsn(Opcodes.POP); break; case POP2: mv.visitInsn(Opcodes.POP2); break; case DUP: mv.visitInsn(Opcodes.DUP); break; case DUP2: mv.visitInsn(Opcodes.DUP2); break; case DUP_X1: mv.visitInsn(Opcodes.DUP_X1); break; case DUP_X2: mv.visitInsn(Opcodes.DUP_X2); break; case DUP2_X1: mv.visitInsn(Opcodes.DUP2_X1); break; case DUP2_X2: mv.visitInsn(Opcodes.DUP2_X2); break; } return null; }
From source file:bytecode.MethodImporter.java
License:Apache License
/** * Imports instructions with no immediate operands. * * @param opcode Opcode.// w ww. j a v a 2 s . c o m */ @Override public void visitInsn(final int opcode) { Producer a, b, c, d; Type top; switch (opcode) { // Constants case Opcodes.ACONST_NULL: createConstant(null); break; case Opcodes.ICONST_M1: createConstant(new Integer(-1)); break; case Opcodes.ICONST_0: createConstant(new Integer(0)); break; case Opcodes.ICONST_1: createConstant(new Integer(1)); break; case Opcodes.ICONST_2: createConstant(new Integer(2)); break; case Opcodes.ICONST_3: createConstant(new Integer(3)); break; case Opcodes.ICONST_4: createConstant(new Integer(4)); break; case Opcodes.ICONST_5: createConstant(new Integer(5)); break; case Opcodes.LCONST_0: createConstant(new Long(0)); break; case Opcodes.LCONST_1: createConstant(new Long(1)); break; case Opcodes.FCONST_0: createConstant(new Float(0.0f)); break; case Opcodes.FCONST_1: createConstant(new Float(1.0f)); break; case Opcodes.FCONST_2: createConstant(new Float(2.0f)); break; case Opcodes.DCONST_0: createConstant(new Double(0.0f)); break; case Opcodes.DCONST_1: createConstant(new Double(1.0f)); break; // Binary Operations case Opcodes.IADD: createArithmetic(Arithmetic.Operator.ADD, Type.INT); break; case Opcodes.LADD: createArithmetic(Arithmetic.Operator.ADD, Type.LONG); break; case Opcodes.FADD: createArithmetic(Arithmetic.Operator.ADD, Type.FLOAT); break; case Opcodes.DADD: createArithmetic(Arithmetic.Operator.ADD, Type.DOUBLE); break; case Opcodes.ISUB: createArithmetic(Arithmetic.Operator.SUB, Type.INT); break; case Opcodes.LSUB: createArithmetic(Arithmetic.Operator.SUB, Type.LONG); break; case Opcodes.FSUB: createArithmetic(Arithmetic.Operator.SUB, Type.FLOAT); break; case Opcodes.DSUB: createArithmetic(Arithmetic.Operator.SUB, Type.DOUBLE); break; case Opcodes.IMUL: createArithmetic(Arithmetic.Operator.MUL, Type.INT); break; case Opcodes.LMUL: createArithmetic(Arithmetic.Operator.MUL, Type.LONG); break; case Opcodes.FMUL: createArithmetic(Arithmetic.Operator.MUL, Type.FLOAT); break; case Opcodes.DMUL: createArithmetic(Arithmetic.Operator.MUL, Type.DOUBLE); break; case Opcodes.IDIV: createArithmetic(Arithmetic.Operator.DIV, Type.INT); break; case Opcodes.LDIV: createArithmetic(Arithmetic.Operator.DIV, Type.LONG); break; case Opcodes.FDIV: createArithmetic(Arithmetic.Operator.DIV, Type.FLOAT); break; case Opcodes.DDIV: createArithmetic(Arithmetic.Operator.DIV, Type.DOUBLE); break; case Opcodes.IREM: createArithmetic(Arithmetic.Operator.REM, Type.INT); break; case Opcodes.LREM: createArithmetic(Arithmetic.Operator.REM, Type.LONG); break; case Opcodes.FREM: createArithmetic(Arithmetic.Operator.REM, Type.FLOAT); break; case Opcodes.DREM: createArithmetic(Arithmetic.Operator.REM, Type.DOUBLE); break; case Opcodes.IAND: createArithmetic(Arithmetic.Operator.AND, Type.INT); break; case Opcodes.LAND: createArithmetic(Arithmetic.Operator.AND, Type.LONG); break; case Opcodes.IOR: createArithmetic(Arithmetic.Operator.OR, Type.INT); break; case Opcodes.LOR: createArithmetic(Arithmetic.Operator.OR, Type.LONG); break; case Opcodes.IXOR: createArithmetic(Arithmetic.Operator.XOR, Type.INT); break; case Opcodes.LXOR: createArithmetic(Arithmetic.Operator.XOR, Type.LONG); break; case Opcodes.ISHL: createArithmetic(Arithmetic.Operator.SHL, Type.INT); break; case Opcodes.LSHL: createArithmetic(Arithmetic.Operator.SHL, Type.LONG); break; case Opcodes.ISHR: createArithmetic(Arithmetic.Operator.SHR, Type.INT); break; case Opcodes.LSHR: createArithmetic(Arithmetic.Operator.SHR, Type.LONG); break; case Opcodes.IUSHR: createArithmetic(Arithmetic.Operator.USHR, Type.INT); break; case Opcodes.LUSHR: createArithmetic(Arithmetic.Operator.USHR, Type.LONG); break; case Opcodes.LCMP: createCompare(false, Type.LONG); break; case Opcodes.FCMPL: createCompare(false, Type.FLOAT); break; case Opcodes.FCMPG: createCompare(true, Type.FLOAT); break; case Opcodes.DCMPL: createCompare(false, Type.DOUBLE); break; case Opcodes.DCMPG: createCompare(true, Type.DOUBLE); break; case Opcodes.INEG: createNegate(); break; case Opcodes.LNEG: createNegate(); break; case Opcodes.FNEG: createNegate(); break; case Opcodes.DNEG: createNegate(); break; case Opcodes.I2L: createConvert(Type.LONG); break; case Opcodes.I2F: createConvert(Type.FLOAT); break; case Opcodes.I2D: createConvert(Type.DOUBLE); break; case Opcodes.I2B: createConvert(Type.BYTE); break; case Opcodes.I2C: createConvert(Type.CHAR); break; case Opcodes.I2S: createConvert(Type.SHORT); break; case Opcodes.L2I: createConvert(Type.INT); break; case Opcodes.L2F: createConvert(Type.FLOAT); break; case Opcodes.L2D: createConvert(Type.DOUBLE); break; case Opcodes.F2I: createConvert(Type.INT); break; case Opcodes.F2L: createConvert(Type.LONG); break; case Opcodes.F2D: createConvert(Type.DOUBLE); break; case Opcodes.D2I: createConvert(Type.INT); break; case Opcodes.D2F: createConvert(Type.FLOAT); break; case Opcodes.D2L: createConvert(Type.LONG); break; case Opcodes.IALOAD: createArrayRead(Type.INT); break; case Opcodes.LALOAD: createArrayRead(Type.LONG); break; case Opcodes.FALOAD: createArrayRead(Type.FLOAT); break; case Opcodes.DALOAD: createArrayRead(Type.DOUBLE); break; case Opcodes.AALOAD: createArrayRead(Type.getFreshRef()); break; case Opcodes.BALOAD: createArrayRead(Type.BYTE); break; case Opcodes.CALOAD: createArrayRead(Type.CHAR); break; case Opcodes.SALOAD: createArrayRead(Type.SHORT); break; case Opcodes.IASTORE: createArrayWrite(Type.INT); break; case Opcodes.LASTORE: createArrayWrite(Type.LONG); break; case Opcodes.FASTORE: createArrayWrite(Type.FLOAT); break; case Opcodes.DASTORE: createArrayWrite(Type.DOUBLE); break; case Opcodes.AASTORE: createArrayWrite(Type.getFreshRef()); break; case Opcodes.BASTORE: createArrayWrite(Type.BYTE); break; case Opcodes.CASTORE: createArrayWrite(Type.CHAR); break; case Opcodes.SASTORE: createArrayWrite(Type.SHORT); break; case Opcodes.IRETURN: createReturn(Type.INT); break; case Opcodes.LRETURN: createReturn(Type.LONG); break; case Opcodes.FRETURN: createReturn(Type.FLOAT); break; case Opcodes.DRETURN: createReturn(Type.DOUBLE); break; case Opcodes.ARETURN: createReturn(Type.REF); break; case Opcodes.RETURN: createReturn(null); break; case Opcodes.ATHROW: createThrow(); break; // Array Length case Opcodes.ARRAYLENGTH: ordered.add(stack.push(new ArrayLength(stack.pop()))); break; // Swap case Opcodes.SWAP: a = stack.pop(); b = stack.pop(); stack.push(a); stack.push(b); ordered.add(new StackOperation(StackOperation.Sort.SWAP)); break; // Duplicates case Opcodes.DUP: stack.push(stack.peek()); ordered.add(new StackOperation(StackOperation.Sort.DUP)); break; case Opcodes.DUP2: top = stack.peek().getType(); // Type 2 Values if (top.getSize() == 2) { stack.push(stack.peek()); // Type 1 Values } else { b = stack.pop(); a = stack.pop(); stack.push(a); stack.push(b); stack.push(a); stack.push(b); } ordered.add(new StackOperation(StackOperation.Sort.DUP2)); break; case Opcodes.DUP_X1: b = stack.pop(); a = stack.pop(); stack.push(b); stack.push(a); stack.push(b); ordered.add(new StackOperation(StackOperation.Sort.DUP_X1)); break; case Opcodes.DUP_X2: top = stack.peek().getType(); // Type 2 Values if (top.getSize() == 2) { b = stack.pop(); a = stack.pop(); stack.push(b); stack.push(a); stack.push(b); // Type 1 Values } else { c = stack.pop(); b = stack.pop(); a = stack.pop(); stack.push(c); stack.push(a); stack.push(b); stack.push(c); } ordered.add(new StackOperation(StackOperation.Sort.DUP_X2)); break; // Pops case Opcodes.POP: stack.pop(); ordered.add(new StackOperation(StackOperation.Sort.POP)); break; case Opcodes.POP2: top = stack.peek().getType(); // Type 2 Values if (top.getSize() == 2) { stack.pop(); // Type 1 Values } else { stack.pop(); stack.pop(); } ordered.add(new StackOperation(StackOperation.Sort.POP2)); break; // TODO: DUP2_X1, DUP2_X2, MONITORENTER, MONITOREXIT case Opcodes.MONITORENTER: throw new RuntimeException("visitInsn: MONITORENTER"); case Opcodes.MONITOREXIT: throw new RuntimeException("visitInsn: MONITOREXIT"); case Opcodes.DUP2_X1: throw new RuntimeException("visitInsn: DUP2_X1"); case Opcodes.DUP2_X2: throw new RuntimeException("visitInsn: DUP2_X2"); default: throw new RuntimeException("visitInsn: " + opcode); } }
From source file:co.paralleluniverse.fibers.instrument.InstrumentMethod.java
License:Open Source License
private void println(MethodVisitor mv, String prefix) { mv.visitInsn(Opcodes.DUP); // S1 S1 mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "err", "Ljava/io/PrintStream;"); // PrintStream S1 S1 mv.visitInsn(Opcodes.SWAP); // S1 PrintStream S1 mv.visitTypeInsn(Opcodes.NEW, "java/lang/StringBuilder"); // StringBuilder S1 PrintStream S1 mv.visitInsn(Opcodes.DUP); // StringBuilder StringBuilder S1 PrintStream S1 mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V"); // StringBuilder S1 PrintStream S1 mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Thread", "currentThread", "()Ljava/lang/Thread;"); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Thread", "getName", "()Ljava/lang/String;"); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;"); mv.visitLdcInsn(" " + prefix); // prefix StringBuilder S1 PrintStream S1 mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;"); // StringBuilder S1 PrintStream S1 mv.visitInsn(Opcodes.SWAP); // S1 StringBuilder PrintStream S1 mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/Object;)Ljava/lang/StringBuilder;"); // StringBuilder PrintStream S1 mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;"); // PrintStream S1 mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V"); // S1 }
From source file:com.alibaba.hotswap.processor.field.access.FieldAccessModifier.java
License:Open Source License
@Override public void visitFieldInsn(int opcode, String owner, String name, String desc) { if (HotswapRuntime.getClassInitialized(className) && !name.equals(HotswapConstants.STATIC_FIELD_HOLDER) && !name.equals(HotswapConstants.FIELD_HOLDER)) { Queue<String> owners = new LinkedList<String>(); owners.offer(owner);/* ww w .j ava 2s . c o m*/ String tmpOwner = owners.poll(); while (tmpOwner != null) { if (HotswapRuntime.hasClassMeta(tmpOwner)) { // Try to reload owner. HotswapRuntime.try2Reload(tmpOwner); ClassMeta classMeta = HotswapRuntime.getClassMeta(tmpOwner); String fmKey = HotswapFieldUtil.getFieldKey(name, desc); FieldMeta fm = classMeta.getFieldMeta(fmKey); if (classMeta.isInterface) { if (fm != null && !fm.isDeleted(classMeta.loadedIndex) && (opcode == Opcodes.PUTSTATIC || opcode == Opcodes.GETSTATIC)) { super.visitFieldInsn(opcode, Type.getInternalName(classMeta.vClass), fm.name, fm.desc); return; } } if (fm != null && classMeta.primaryFieldKeyList.contains(fmKey) && !fm.isDeleted(classMeta.loadedIndex)) { break; } else if (fm != null && classMeta.primaryFieldKeyList.contains(fmKey) && fm.isDeleted(classMeta.loadedIndex)) { // If this accessed field is primary and deleted, it perhaps is a alias field fm = classMeta.getFieldMeta(HotswapFieldUtil .getFieldKey(HotswapConstants.PREFIX_FIELD_ALIAS + fm.name, fm.desc)); } if (fm != null && fm.isAdded() && !fm.isDeleted(classMeta.loadedIndex)) { if (opcode == Opcodes.PUTSTATIC) { // put static box(Type.getType(fm.desc)); mv.visitFieldInsn(Opcodes.GETSTATIC, tmpOwner, HotswapConstants.STATIC_FIELD_HOLDER, "Ljava/util/concurrent/ConcurrentHashMap;"); mv.visitLdcInsn(fm.name); mv.visitLdcInsn(fm.desc); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapFieldUtil.class), "setFieldValue", "(Ljava/lang/Object;Ljava/util/concurrent/ConcurrentHashMap;Ljava/lang/String;Ljava/lang/String;)V"); return; } else if (opcode == Opcodes.GETSTATIC) { // get static mv.visitFieldInsn(Opcodes.GETSTATIC, tmpOwner, HotswapConstants.STATIC_FIELD_HOLDER, "Ljava/util/concurrent/ConcurrentHashMap;"); mv.visitLdcInsn(fm.name); mv.visitLdcInsn(fm.desc); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapFieldUtil.class), "getFieldValue", "(Ljava/util/concurrent/ConcurrentHashMap;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;"); unbox(Type.getType(fm.desc)); return; } else if (opcode == Opcodes.PUTFIELD) { // put field // stack: obj fieldValue box(Type.getType(fm.desc)); mv.visitInsn(Opcodes.SWAP); mv.visitFieldInsn(Opcodes.GETFIELD, tmpOwner, HotswapConstants.FIELD_HOLDER, "Ljava/util/concurrent/ConcurrentHashMap;"); mv.visitLdcInsn(fm.name); mv.visitLdcInsn(fm.desc); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapFieldUtil.class), "setFieldValue", "(Ljava/lang/Object;Ljava/util/concurrent/ConcurrentHashMap;Ljava/lang/String;Ljava/lang/String;)V"); return; } else if (opcode == Opcodes.GETFIELD) { // get field // stack: obj mv.visitFieldInsn(Opcodes.GETFIELD, tmpOwner, HotswapConstants.FIELD_HOLDER, "Ljava/util/concurrent/ConcurrentHashMap;"); mv.visitLdcInsn(fm.name); mv.visitLdcInsn(fm.desc); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapFieldUtil.class), "getFieldValue", "(Ljava/util/concurrent/ConcurrentHashMap;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;"); Label notnull = newLabel(); Type type = Type.getType(fm.desc); mv.visitInsn(Opcodes.DUP); mv.visitJumpInsn(Opcodes.IFNONNULL, notnull); Label end = newLabel(); switch (type.getSort()) { case Type.BOOLEAN: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Boolean(false)); break; case Type.CHAR: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Character(' ')); break; case Type.BYTE: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Byte((byte) 0)); break; case Type.SHORT: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Short((short) 0)); break; case Type.INT: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Integer(0)); break; case Type.FLOAT: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Float(0)); break; case Type.LONG: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Long(0)); break; case Type.DOUBLE: mv.visitInsn(Opcodes.POP); mv.visitLdcInsn(new Double(0)); break; default: break; } mv.visitJumpInsn(Opcodes.GOTO, end); mark(notnull); unbox(type); mark(end); return; } } if (classMeta.clazz != null) { Class<?> superClass = classMeta.clazz.getSuperclass(); if (superClass != null) { owners.offer(HotswapUtil.getInternalClassName(superClass.getName())); } Class<?>[] superInterfaces = classMeta.clazz.getInterfaces(); if (superInterfaces != null) { for (Class<?> itf : superInterfaces) { owners.offer(HotswapUtil.getInternalClassName(itf.getName())); } } } } tmpOwner = owners.poll(); } } super.visitFieldInsn(opcode, owner, name, desc); }
From source file:com.alibaba.hotswap.processor.jdk.classloader.modifier.DefineClassMethodModifier.java
License:Open Source License
@Override public void visitCode() { super.visitCode(); mv.visitVarInsn(Opcodes.ALOAD, 1);//from w ww .ja va2s .c o m mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapConfiguration.class), "getClassPathInWorkspace", "(Ljava/lang/String;)Ljava/lang/String;"); mv.visitInsn(Opcodes.DUP); Label old = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, old); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "updateClassMeta", "(Ljava/lang/String;Ljava/lang/ClassLoader;)V"); mv.visitVarInsn(Opcodes.ALOAD, 1); // className mv.visitInsn(Opcodes.SWAP); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(CustomerLoadClassBytes.class), "loadBytesFromPath", "(Ljava/lang/String;Ljava/lang/String;)[B"); mv.visitVarInsn(Opcodes.ASTORE, 2);// store class bytes into 2 mv.visitVarInsn(Opcodes.ALOAD, 2);// load class bytes mv.visitInsn(Opcodes.ARRAYLENGTH); // length of the class bytes mv.visitVarInsn(Opcodes.ISTORE, 4);// store length into 4 Label end = new Label(); mv.visitJumpInsn(Opcodes.GOTO, end); mv.visitLabel(old); mv.visitInsn(Opcodes.POP); mv.visitLabel(end); }
From source file:com.alibaba.hotswap.processor.jdk.classloader.modifier.DefineClassMethodModifier.java
License:Open Source License
@Override public void visitInsn(int opcode) { if (opcode == Opcodes.ARETURN) { mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "hasClassMeta", "(Ljava/lang/String;)Z"); Label end = new Label(); mv.visitJumpInsn(Opcodes.IFEQ, end); mv.visitInsn(Opcodes.DUP);//from w w w . j a v a2 s.com mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitInsn(Opcodes.SWAP); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "updateClassMetaClass", "(Ljava/lang/String;Ljava/lang/Class;)V"); mv.visitLabel(end); } super.visitInsn(opcode); }
From source file:com.codename1.tools.translator.bytecodes.BasicInstruction.java
License:Open Source License
@Override public void appendInstruction(StringBuilder b, List<Instruction> instructions) { switch (opcode) { case Opcodes.NOP: break;// ww w . j a va 2 s . c o m case Opcodes.ACONST_NULL: b.append(" PUSH_POINTER(JAVA_NULL); /* ACONST_NULL */\n"); break; case Opcodes.ICONST_M1: b.append(" PUSH_INT(-1); /* ICONST_M1 */\n"); break; case Opcodes.ICONST_0: b.append(" PUSH_INT(0); /* ICONST_0 */\n"); break; case Opcodes.ICONST_1: b.append(" PUSH_INT(1); /* ICONST_1 */\n"); break; case Opcodes.ICONST_2: b.append(" PUSH_INT(2); /* ICONST_2 */\n"); break; case Opcodes.ICONST_3: b.append(" PUSH_INT(3); /* ICONST_3 */\n"); break; case Opcodes.ICONST_4: b.append(" PUSH_INT(4); /* ICONST_4 */\n"); break; case Opcodes.ICONST_5: b.append(" PUSH_INT(5); /* ICONST_5 */\n"); break; case Opcodes.LCONST_0: b.append(" PUSH_LONG(0); /* LCONST_0 */\n"); break; case Opcodes.LCONST_1: b.append(" PUSH_LONG(1); /* LCONST_1 */\n"); break; case Opcodes.FCONST_0: b.append(" PUSH_FLOAT(0); /* FCONST_0 */\n"); break; case Opcodes.FCONST_1: b.append(" PUSH_FLOAT(1); /* FCONST_1 */\n"); break; case Opcodes.FCONST_2: b.append(" PUSH_FLOAT(2); /* FCONST_2 */\n"); break; case Opcodes.DCONST_0: b.append(" PUSH_DOUBLE(0); /* DCONST_0 */\n"); break; case Opcodes.DCONST_1: b.append(" PUSH_DOUBLE(1); /* DCONST_1 */\n"); break; case Opcodes.BALOAD: b.append(" { CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* BALOAD */ \n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_BYTE*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i]; \n" + " }\n"); break; case Opcodes.CALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* CALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_CHAR*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i];\n"); break; case Opcodes.IALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* IALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_INT*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i];\n"); break; case Opcodes.SALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); \n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_SHORT*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i]; /* SALOAD */\n"); break; case Opcodes.LALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* LALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_LONG; \n" + " SP[-1].data.l = LONG_ARRAY_LOOKUP((JAVA_ARRAY)SP[-1].data.o, (*SP).data.i);\n"); break; case Opcodes.FALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* FALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_FLOAT; \n" + " SP[-1].data.f = FLOAT_ARRAY_LOOKUP((JAVA_ARRAY)SP[-1].data.o, (*SP).data.i);\n"); break; case Opcodes.DALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* DALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_DOUBLE; \n" + " SP[-1].data.d = DOUBLE_ARRAY_LOOKUP((JAVA_ARRAY)SP[-1].data.o, (*SP).data.i);\n"); break; case Opcodes.AALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* AALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_INVALID; \n" + " SP[-1].data.o = ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i]; \n" + " SP[-1].type = CN1_TYPE_OBJECT; \n"); break; case Opcodes.BASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* BASTORE */\n" + " ((JAVA_ARRAY_BYTE*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n"); break; case Opcodes.CASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* CASTORE */\n" + " ((JAVA_ARRAY_CHAR*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n\n"); break; case Opcodes.SASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* SASTORE */\n" + " ((JAVA_ARRAY_SHORT*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n"); break; case Opcodes.IASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* IASTORE */\n" + " ((JAVA_ARRAY_INT*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n"); break; case Opcodes.LASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* LASTORE */\n" + " LONG_ARRAY_LOOKUP((JAVA_ARRAY)SP[-3].data.o, SP[-2].data.i) = SP[-1].data.l; SP -= 3;\n"); break; case Opcodes.FASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* FASTORE */\n" + " FLOAT_ARRAY_LOOKUP((JAVA_ARRAY)SP[-3].data.o, SP[-2].data.i) = SP[-1].data.f; SP -= 3;\n"); break; case Opcodes.DASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* DASTORE */\n" + " DOUBLE_ARRAY_LOOKUP((JAVA_ARRAY)SP[-3].data.o, SP[-2].data.i) = SP[-1].data.d; SP -= 3;\n"); break; case Opcodes.AASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); { /* BC_AASTORE */\n" + " JAVA_OBJECT aastoreTmp = SP[-3].data.o; \n" + " ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)aastoreTmp).data)[SP[-2].data.i] = SP[-1].data.o; \n" + " SP -= 3; }\n"); break; case Opcodes.POP: b.append(" SP--; /* POP */\n"); break; case Opcodes.POP2: b.append(" popMany(threadStateData, 2, &SP); /* POP2 */\n"); break; /*case Opcodes.DUP: b.append(" PUSH_INT(PEEK_INT(1));\n"); break; case Opcodes.DUP_X1: b.append(" DUP_X1();\n"); break; case Opcodes.DUP_X2: b.append(" DUP_X2();\n"); break;*/ case Opcodes.DUP: b.append(" BC_DUP(); /* DUP */\n"); break; case Opcodes.DUP2: b.append(" BC_DUP2(); /* DUP2 */\n"); break; case Opcodes.DUP_X1: b.append(" BC_DUP2_X1(); /* DUP_X1 */\n"); break; case Opcodes.DUP2_X1: b.append(" BC_DUP2_X1(); /* DUP2_X1 */\n"); break; case Opcodes.DUP_X2: b.append(" BC_DUP2_X2(); /* DUP_X2 */\n"); break; case Opcodes.DUP2_X2: b.append(" BC_DUP2_X2(); /* DUP2_X2 */\n"); break; case Opcodes.SWAP: b.append(" swapStack(SP); /* SWAP */\n"); break; case Opcodes.IADD: b.append(" SP--; SP[-1].data.i = SP[-1].data.i + (*SP).data.i; /* IADD */\n"); break; case Opcodes.LADD: b.append(" SP--; SP[-1].data.l = SP[-1].data.l + (*SP).data.l; /* LADD */\n"); break; case Opcodes.FADD: b.append(" SP--; SP[-1].data.f = SP[-1].data.f + (*SP).data.f; /* FADD */\n"); break; case Opcodes.DADD: b.append(" SP--; SP[-1].data.d = SP[-1].data.d + (*SP).data.d; /* DADD */\n"); break; case Opcodes.ISUB: b.append(" SP--; SP[-1].data.i = (SP[-1].data.i - (*SP).data.i); /* ISUB */\n"); break; case Opcodes.LSUB: b.append(" SP--; SP[-1].data.l = (SP[-1].data.l - (*SP).data.l); /* LSUB */\n"); break; case Opcodes.FSUB: b.append(" SP--; SP[-1].data.f = (SP[-1].data.f - (*SP).data.f); /* FSUB */\n"); break; case Opcodes.DSUB: b.append(" SP--; SP[-1].data.d = (SP[-1].data.d - (*SP).data.d); /* DSUB */\n"); break; case Opcodes.IMUL: b.append(" SP--; SP[-1].data.i = SP[-1].data.i * (*SP).data.i; /* IMUL */\n"); break; case Opcodes.LMUL: b.append(" SP--; SP[-1].data.l = SP[-1].data.l * (*SP).data.l; /* LMUL */\n"); break; case Opcodes.FMUL: b.append(" SP--; SP[-1].data.f = SP[-1].data.f * (*SP).data.f; /* FMUL */\n"); break; case Opcodes.DMUL: b.append(" SP--; SP[-1].data.d = SP[-1].data.d * (*SP).data.d; /* DMUL */\n"); break; case Opcodes.IDIV: b.append(" SP--; SP[-1].data.i = SP[-1].data.i / (*SP).data.i; /* IDIV */\n"); break; case Opcodes.LDIV: b.append(" SP--; SP[-1].data.l = SP[-1].data.l / (*SP).data.l; /* LDIV */\n"); break; case Opcodes.FDIV: b.append(" SP--; SP[-1].data.f = SP[-1].data.f / (*SP).data.f; /* FDIV */\n"); break; case Opcodes.DDIV: b.append(" SP--; SP[-1].data.d = SP[-1].data.d / (*SP).data.d; /* DDIV */\n"); break; case Opcodes.IREM: b.append(" SP--; SP[-1].data.i = SP[-1].data.i % (*SP).data.i; /* IREM */\n"); break; case Opcodes.LREM: b.append(" SP--; SP[-1].data.l = SP[-1].data.l % (*SP).data.l; /* LREM */\n"); break; case Opcodes.FREM: b.append(" SP--; SP[-1].data.f = fmod(SP[-1].data.f, (*SP).data.f); /* FREM */\n"); break; case Opcodes.DREM: b.append(" SP--; SP[-1].data.d = fmod(SP[-1].data.d, (*SP).data.d); /* DREM */\n"); break; case Opcodes.INEG: b.append(" SP[-1].data.i *= -1; /* INEG */\n"); break; case Opcodes.LNEG: b.append(" SP[-1].data.l *= -1; /* LNEG */\n"); break; case Opcodes.FNEG: b.append(" SP[-1].data.f *= -1; /* FNEG */\n"); break; case Opcodes.DNEG: b.append(" SP[-1].data.d *= -1; /* DNEG */\n"); break; case Opcodes.ISHL: b.append(" SP--; SP[-1].data.i = (SP[-1].data.i << (0x1f & (*SP).data.i)); /* ISHL */\n"); break; case Opcodes.LSHL: b.append(" SP--; SP[-1].data.l = (SP[-1].data.l << (0x3f & (*SP).data.i)); /* LSHL */\n"); break; case Opcodes.ISHR: b.append(" SP--; SP[-1].data.i = (SP[-1].data.i >> (0x1f & (*SP).data.i)); /* ISHR */\n"); break; case Opcodes.LSHR: b.append(" SP--; SP[-1].data.l = (SP[-1].data.l >> (0x3f & (*SP).data.l)); /* LSHR */\n"); break; case Opcodes.IUSHR: b.append( " SP--; SP[-1].data.i = (((unsigned int)SP[-1].data.i) >> (0x1f & ((unsigned int)(*SP).data.i))); /* IUSHR */\n"); break; case Opcodes.LUSHR: b.append( " SP--; SP[-1].data.l = (((unsigned long long)SP[-1].data.l) >> (0x3f & ((unsigned long long)(*SP).data.i))); /* LUSHR */\n"); break; case Opcodes.IAND: b.append(" SP--; SP[-1].data.i = SP[-1].data.i & (*SP).data.i; /* IAND */\n"); break; case Opcodes.LAND: b.append(" SP--; SP[-1].data.l = SP[-1].data.l & (*SP).data.l; /* LAND */\n"); break; case Opcodes.IOR: b.append(" SP--; SP[-1].data.i = SP[-1].data.i | (*SP).data.i; /* IOR */\n"); break; case Opcodes.LOR: b.append(" SP--; SP[-1].data.l = SP[-1].data.l | (*SP).data.l; /* LOR */\n"); break; case Opcodes.IXOR: b.append(" SP--; SP[-1].data.i = SP[-1].data.i ^ (*SP).data.i; /* IXOR */\n"); break; case Opcodes.LXOR: b.append(" SP--; SP[-1].data.l = SP[-1].data.l ^ (*SP).data.l; /* LXOR */\n"); break; case Opcodes.I2L: b.append(" SP[-1].data.l = SP[-1].data.i; /* I2L */\n"); break; case Opcodes.I2F: b.append(" SP[-1].data.f = (JAVA_FLOAT)SP[-1].data.i; /* I2F */\n"); break; case Opcodes.I2D: b.append(" SP[-1].data.d = SP[-1].data.i; /* I2D */;\n"); break; case Opcodes.L2I: b.append(" SP[-1].data.i = (JAVA_INT)SP[-1].data.l; /* L2I */\n"); break; case Opcodes.L2F: b.append(" SP[-1].data.f = (JAVA_FLOAT)SP[-1].data.l; /* L2F */\n"); break; case Opcodes.L2D: b.append(" SP[-1].data.d = (JAVA_DOUBLE)SP[-1].data.l; /* L2D */\n"); break; case Opcodes.F2I: b.append(" SP[-1].data.i = (JAVA_INT)SP[-1].data.f; /* F2I */\n"); break; case Opcodes.F2L: b.append(" SP[-1].data.l = (JAVA_LONG)SP[-1].data.f; /* F2L */\n"); break; case Opcodes.F2D: b.append(" SP[-1].data.d = SP[-1].data.f; /* F2D */\n"); break; case Opcodes.D2I: b.append(" SP[-1].data.i = (JAVA_INT)SP[-1].data.d; /* D2I */\n"); break; case Opcodes.D2L: b.append(" SP[-1].data.l = (JAVA_LONG)SP[-1].data.d; /* D2L */\n"); break; case Opcodes.D2F: b.append(" SP[-1].data.f = (JAVA_FLOAT)SP[-1].data.d; /* D2F */\n"); break; case Opcodes.I2B: b.append(" SP[-1].data.i = ((SP[-1].data.i << 24) >> 24); /* I2B */\n"); break; case Opcodes.I2C: b.append(" SP[-1].data.i = (SP[-1].data.i & 0xffff); /* I2C */\n"); break; case Opcodes.I2S: b.append(" SP[-1].data.i = ((SP[-1].data.i << 16) >> 16); /* I2S */\n"); break; case Opcodes.LCMP: b.append(" BC_LCMP();\n"); break; case Opcodes.FCMPG: case Opcodes.FCMPL: b.append(" BC_FCMPL();\n"); break; case Opcodes.DCMPL: case Opcodes.DCMPG: b.append(" BC_DCMPL();\n"); break; case Opcodes.IRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); return SP[-1].data.i;\n"); // b.append(maxLocals); // b.append(", stack, locals, methodBlockOffset); \n return SP[-1].data.i;\n"); } else { b.append(" releaseForReturn(threadStateData, cn1LocalsBeginInThread); return SP[-1].data.i;\n"); // b.append(maxLocals); // b.append(", stack, locals); \n return SP[-1].data.i;\n"); } break; case Opcodes.LRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_LONG();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_LONG();\n"); } break; case Opcodes.FRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_FLOAT();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_FLOAT();\n"); } break; case Opcodes.DRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_DOUBLE();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_DOUBLE();\n"); } break; case Opcodes.ARETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_OBJ();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_OBJ();\n"); } break; case Opcodes.RETURN: appendSynchronized(b); if (!hasInstructions) { b.append(" return;\n"); break; } if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return;\n"); } else { b.append(" releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return;\n"); } break; case Opcodes.ARRAYLENGTH: b.append(" { /* ARRAYLENGTH */\n" + " if(SP[-1].data.o == JAVA_NULL) { \n" + " throwException(threadStateData, __NEW_INSTANCE_java_lang_NullPointerException(threadStateData)); \n" + " }; \n" + " SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = (*((JAVA_ARRAY)SP[-1].data.o)).length; \n" + " }\n"); break; case Opcodes.ATHROW: //b.append(" NSLog(@\"Exception thrown %s %d %s %s\\n\", __FILE__, __LINE__, __PRETTY_FUNCTION__, __FUNCTION__);\n"); b.append(" throwException(threadStateData, POP_OBJ());\n"); break; case Opcodes.MONITORENTER: b.append(" monitorEnter(threadStateData, POP_OBJ());\n"); break; case Opcodes.MONITOREXIT: b.append(" monitorExit(threadStateData, POP_OBJ());\n"); break; // int instructions case Opcodes.SIPUSH: case Opcodes.BIPUSH: b.append(" PUSH_INT("); b.append(value); b.append(");\n"); break; case Opcodes.NEWARRAY: switch (value) { case 4: // boolean b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_BOOLEAN, sizeof(JAVA_ARRAY_BOOLEAN), 1));\n"); break; case 5: // char b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_CHAR, sizeof(JAVA_ARRAY_CHAR), 1));\n"); break; case 6: // float b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_FLOAT, sizeof(JAVA_ARRAY_FLOAT), 1));\n"); break; case 7: // double b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_DOUBLE, sizeof(JAVA_ARRAY_DOUBLE), 1));\n"); break; case 8: // byte b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_BYTE, sizeof(JAVA_ARRAY_BYTE), 1));\n"); break; case 9: // short b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_SHORT, sizeof(JAVA_ARRAY_SHORT), 1));\n"); break; case 10: // int b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_INT, sizeof(JAVA_ARRAY_INT), 1));\n"); break; case 11: // long b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_LONG, sizeof(JAVA_ARRAY_LONG), 1));\n"); break; } break; } }
From source file:com.codename1.tools.translator.Util.java
License:Open Source License
public static char[] getStackInputTypes(Instruction instr) { char[] out = instr.getStackInputTypes(); if (out != null) { return out; }/*from w w w. java2 s . c om*/ switch (instr.getOpcode()) { case Opcodes.NOP: case Opcodes.ACONST_NULL: case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.SIPUSH: case Opcodes.BIPUSH: return new char[0]; case Opcodes.BALOAD: case Opcodes.CALOAD: case Opcodes.IALOAD: case Opcodes.SALOAD: case Opcodes.LALOAD: case Opcodes.FALOAD: case Opcodes.DALOAD: case Opcodes.AALOAD: return new char[] { 'i', 'o' }; case Opcodes.BASTORE: case Opcodes.CASTORE: case Opcodes.SASTORE: case Opcodes.IASTORE: return new char[] { 'i', 'i', 'o' }; case Opcodes.LASTORE: return new char[] { 'l', 'i', 'o' }; case Opcodes.FASTORE: return new char[] { 'f', 'i', 'o' }; case Opcodes.DASTORE: return new char[] { 'd', 'i', 'o' }; case Opcodes.AASTORE: return new char[] { 'o', 'i', 'o' }; case Opcodes.POP: return new char[] { '*' }; case Opcodes.POP2: return new char[] { '*', '*' }; case Opcodes.DUP: return new char[] { '0' }; case Opcodes.DUP2: case Opcodes.DUP_X2: case Opcodes.DUP2_X2: return null; // DUP2 depends on the types on the stack so we don't statically know the input types case Opcodes.DUP_X1: case Opcodes.DUP2_X1: return new char[] { '0', '1' }; case Opcodes.SWAP: return new char[] { '0', '1' }; case Opcodes.IADD: case Opcodes.ISUB: case Opcodes.IMUL: case Opcodes.IDIV: case Opcodes.IREM: case Opcodes.ISHL: case Opcodes.ISHR: case Opcodes.IUSHR: case Opcodes.IAND: case Opcodes.IOR: case Opcodes.IXOR: return new char[] { 'i', 'i' }; case Opcodes.LADD: case Opcodes.LSUB: case Opcodes.LMUL: case Opcodes.LDIV: case Opcodes.LREM: case Opcodes.LSHL: case Opcodes.LSHR: case Opcodes.LAND: case Opcodes.LOR: case Opcodes.LXOR: case Opcodes.LCMP: return new char[] { 'l', 'l' }; case Opcodes.FADD: case Opcodes.FSUB: case Opcodes.FMUL: case Opcodes.FDIV: case Opcodes.FREM: case Opcodes.FCMPG: case Opcodes.FCMPL: return new char[] { 'f', 'f' }; case Opcodes.DADD: case Opcodes.DSUB: case Opcodes.DMUL: case Opcodes.DDIV: case Opcodes.DREM: case Opcodes.DCMPL: case Opcodes.DCMPG: return new char[] { 'd', 'd' }; case Opcodes.INEG: case Opcodes.I2L: case Opcodes.I2F: case Opcodes.I2D: case Opcodes.I2B: case Opcodes.I2C: case Opcodes.I2S: case Opcodes.NEWARRAY: return new char[] { 'i' }; case Opcodes.LNEG: case Opcodes.L2I: case Opcodes.L2F: case Opcodes.L2D: return new char[] { 'l' }; case Opcodes.FNEG: case Opcodes.F2I: case Opcodes.F2L: case Opcodes.F2D: return new char[] { 'f' }; case Opcodes.DNEG: case Opcodes.D2I: case Opcodes.D2L: case Opcodes.D2F: return new char[] { 'd' }; case Opcodes.LUSHR: return new char[] { 'i', 'l' }; case Opcodes.ARRAYLENGTH: case Opcodes.MONITORENTER: case Opcodes.MONITOREXIT: case Opcodes.ATHROW: return new char[] { 'o' }; default: return null; } }