List of usage examples for org.objectweb.asm Opcodes ICONST_1
int ICONST_1
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From source file:org.batoo.jpa.core.impl.instance.Enhancer.java
License:Open Source License
private static void createMethodSetInitialized(final String enhancedClassName, final String descEnhancer, final ClassWriter cw) { final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, Enhancer.METHOD_ENHANCED_SET_INITIALIZED, Enhancer.makeDescription(Void.TYPE), null, null); mv.visitCode();// www.j a v a 2 s . c om final Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitInsn(Opcodes.ICONST_1); mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_INITIALIZED, Enhancer.DESCRIPTOR_BOOLEAN); mv.visitInsn(Opcodes.RETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable(Enhancer.THIS, descEnhancer, null, l0, l1, 0); mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:org.boretti.drools.integration.drools5.DroolsClassVisitor.java
License:Open Source License
@Override public void visitEnd() { FieldVisitor fv = null;//from w ww.j av a2s . co m if (isNeedChangeForBoth()) { fv = super.visitField(Opcodes.ACC_PRIVATE, DROOLS_FIELD_NAME, Type.BOOLEAN_TYPE.getDescriptor(), null, null); if (fv != null) { AnnotationVisitor av = fv.visitAnnotation(Type.getType(Generated.class).getDescriptor(), true); AnnotationVisitor value = av.visitArray("value"); value.visit("", "Generated by Drools5IntegrationHelper Maven plugin"); value.visitEnd(); av.visit("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(current)); av.visitEnd(); fv.visitEnd(); } } if (isNeedChangeForField()) { fv = super.visitField(Opcodes.ACC_PRIVATE, DROOLS_FIELD_RULE, Type.getType(RuleBase.class).getDescriptor(), null, null); if (fv != null) { AnnotationVisitor av = fv.visitAnnotation(Type.getType(Generated.class).getDescriptor(), true); AnnotationVisitor value = av.visitArray("value"); value.visit("", "Generated by Drools5IntegrationHelper Maven plugin"); value.visitEnd(); av.visit("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(current)); av.visitEnd(); fv.visitEnd(); } MethodVisitor mv = super.visitMethod(Opcodes.ACC_PRIVATE, DROOLS_METHOD_RUN, "()V", null, null); AnnotationVisitor av = mv.visitAnnotation(Type.getType(Generated.class).getDescriptor(), true); AnnotationVisitor value = av.visitArray("value"); value.visit("", "Generated by Drools5IntegrationHelper Maven plugin"); value.visitEnd(); av.visit("date", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz").format(current)); av.visitEnd(); mv.visitCode(); Label start = new Label(); mv.visitLabel(start); Label doIt = new Label(); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, Type.getObjectType(me).getInternalName(), DROOLS_FIELD_NAME, Type.BOOLEAN_TYPE.getDescriptor()); mv.visitJumpInsn(Opcodes.IFEQ, doIt); mv.visitInsn(Opcodes.RETURN); mv.visitLabel(doIt); mv.visitFrame(Opcodes.F_SAME, 1, new Object[] { Type.getObjectType(me).getInternalName() }, 0, new Object[] {}); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, Type.getObjectType(me).getInternalName(), DROOLS_FIELD_RULE, Type.getType(RuleBase.class).getDescriptor()); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(RuleBase.class).getInternalName(), "newStatelessSession", "()Lorg/drools/StatelessSession;"); mv.visitInsn(Opcodes.DUP); mv.visitLdcInsn(FIELD_NAME_LOGGER); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getType(Object.class).getInternalName(), "getClass", "()Ljava/lang/Class;"); mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getType(org.apache.log4j.Logger.class).getInternalName(), "getLogger", "(Ljava/lang/Class;)Lorg/apache/log4j/Logger;"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(StatelessSession.class).getInternalName(), "setGlobal", "(Ljava/lang/String;Ljava/lang/Object;)V"); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(StatelessSession.class).getInternalName(), "execute", "(Ljava/lang/Object;)V"); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitInsn(Opcodes.ICONST_1); mv.visitFieldInsn(Opcodes.PUTFIELD, Type.getObjectType(me).getInternalName(), DROOLS_FIELD_NAME, Type.BOOLEAN_TYPE.getDescriptor()); mv.visitInsn(Opcodes.RETURN); Label end = new Label(); mv.visitLabel(end); mv.visitLocalVariable("this", Type.getObjectType(me).getDescriptor(), null, start, end, 0); mv.visitMaxs(4, 1); mv.visitEnd(); } super.visitEnd(); }
From source file:org.brutusin.instrumentation.utils.TreeInstructions.java
License:Apache License
public static AbstractInsnNode getPushInstruction(int value) { if (value == -1) { return new InsnNode(Opcodes.ICONST_M1); } else if (value == 0) { return new InsnNode(Opcodes.ICONST_0); } else if (value == 1) { return new InsnNode(Opcodes.ICONST_1); } else if (value == 2) { return new InsnNode(Opcodes.ICONST_2); } else if (value == 3) { return new InsnNode(Opcodes.ICONST_3); } else if (value == 4) { return new InsnNode(Opcodes.ICONST_4); } else if (value == 5) { return new InsnNode(Opcodes.ICONST_5); } else if ((value >= -128) && (value <= 127)) { return new IntInsnNode(Opcodes.BIPUSH, value); } else if ((value >= -32768) && (value <= 32767)) { return new IntInsnNode(Opcodes.SIPUSH, value); } else {/*from w w w . j a v a 2 s . co m*/ return new LdcInsnNode(value); } }
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.j a va2 s . co m*/ 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.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();/*w w w . j a v a2 s . com*/ 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.evosuite.graphs.cfg.ASMWrapper.java
License:Open Source License
/** * <p>//from w w w.j a v a 2 s.com * isConstant * </p> * * @return a boolean. */ public boolean isConstant() { switch (asmNode.getOpcode()) { case Opcodes.LDC: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.ICONST_M1: case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.BIPUSH: case Opcodes.SIPUSH: return true; default: return false; } }
From source file:org.evosuite.instrumentation.BooleanTestabilityTransformation.java
License:Open Source License
/** * This helper function determines whether the boolean on the stack at the * current position will be stored in a Boolean variable * /* w ww. j a v a2 s . co m*/ * @param position * @param mn * @return */ public boolean isBooleanAssignment(AbstractInsnNode position, MethodNode mn) { AbstractInsnNode node = position.getNext(); logger.info("Checking for ISTORE after boolean"); boolean done = false; while (!done) { if (node.getOpcode() == Opcodes.PUTFIELD || node.getOpcode() == Opcodes.PUTSTATIC) { // TODO: Check whether field is static logger.info("Checking field assignment"); FieldInsnNode fn = (FieldInsnNode) node; if (Type.getType(DescriptorMapping.getInstance().getFieldDesc(fn.owner, fn.name, fn.desc)) == Type.BOOLEAN_TYPE) { return true; } else { return false; } } else if (node.getOpcode() == Opcodes.ISTORE) { logger.info("Found ISTORE after boolean"); VarInsnNode vn = (VarInsnNode) node; // TODO: Check whether variable at this position is a boolean if (isBooleanVariable(vn.var, mn)) { logger.info("Assigning boolean to variable "); return true; } else { logger.info("Variable is not a bool"); return false; } } else if (node.getOpcode() == Opcodes.IRETURN) { logger.info("Checking return value of method {}.{}", cn.name, mn.name); if (DescriptorMapping.getInstance().isTransformedOrBooleanMethod(cn.name, mn.name, mn.desc)) { logger.info("Method returns a bool"); return true; } else { logger.info("Method does not return a bool"); return false; } } else if (node.getOpcode() == Opcodes.BASTORE) { // We remove all bytes, so BASTORE is only used for booleans AbstractInsnNode start = position.getNext(); boolean reassignment = false; while (start != node) { if (node instanceof InsnNode) { reassignment = true; } start = start.getNext(); } logger.info("Possible assignment to array?"); if (reassignment) return false; else return true; } else if (node instanceof MethodInsnNode) { // if it is a boolean parameter of a converted method, then it needs to be converted // Problem: How do we know which parameter it represents? MethodInsnNode methodNode = (MethodInsnNode) node; String desc = DescriptorMapping.getInstance().getMethodDesc(methodNode.owner, methodNode.name, methodNode.desc); Type[] types = Type.getArgumentTypes(desc); if (types.length > 0 && types[types.length - 1] == Type.BOOLEAN_TYPE) { return true; } else { return false; } } else if (node.getOpcode() == Opcodes.GOTO || node.getOpcode() == Opcodes.ICONST_0 || node.getOpcode() == Opcodes.ICONST_1 || node.getOpcode() == -1) { logger.info("Continuing search"); // continue search } else if (!(node instanceof LineNumberNode || node instanceof FrameNode)) { logger.info("Search ended with opcode {}", node.getOpcode()); return false; } if (node != mn.instructions.getLast()) node = node.getNext(); else done = true; } return false; }
From source file:org.evosuite.instrumentation.ContainerTransformation.java
License:Open Source License
private static InsnList createNewIfThenElse(MethodInsnNode n) { LabelNode labelIsNotEmpty = new LabelNode(); LabelNode labelEndif = new LabelNode(); InsnList il = new InsnList(); il.add(n);/*w ww .ja v a 2 s. c om*/ il.add(new JumpInsnNode(Opcodes.IFLE, labelIsNotEmpty)); il.add(new InsnNode(Opcodes.ICONST_1)); il.add(new JumpInsnNode(Opcodes.GOTO, labelEndif)); il.add(labelIsNotEmpty); il.add(new InsnNode(Opcodes.ICONST_0)); il.add(labelEndif); return il; }
From source file:org.evosuite.instrumentation.mutation.InsertUnaryOperator.java
License:Open Source License
/** {@inheritDoc} */ @Override/*from www . j a v a2s .c o m*/ public List<Mutation> apply(MethodNode mn, String className, String methodName, BytecodeInstruction instruction, Frame frame) { // TODO - need to keep InsnList in Mutation, not only Instruction? // Mutation: Insert an INEG _after_ an iload List<Mutation> mutations = new LinkedList<Mutation>(); List<InsnList> mutationCode = new LinkedList<InsnList>(); List<String> descriptions = new LinkedList<String>(); if (instruction.getASMNode() instanceof VarInsnNode) { try { InsnList mutation = new InsnList(); VarInsnNode node = (VarInsnNode) instruction.getASMNode(); // insert mutation into bytecode with conditional mutation.add(new VarInsnNode(node.getOpcode(), node.var)); mutation.add(new InsnNode(getNegation(node.getOpcode()))); mutationCode.add(mutation); if (!mn.localVariables.isEmpty()) descriptions.add("Negation of " + getName(mn, node)); else descriptions.add("Negation"); if (node.getOpcode() == Opcodes.ILOAD) { if (frame.getStack(frame.getStackSize() - 1) != BooleanValueInterpreter.BOOLEAN_VALUE) { mutation = new InsnList(); mutation.add(new IincInsnNode(node.var, 1)); mutation.add(new VarInsnNode(node.getOpcode(), node.var)); if (!mn.localVariables.isEmpty()) descriptions.add("IINC 1 " + getName(mn, node)); else descriptions.add("IINC 1"); mutationCode.add(mutation); mutation = new InsnList(); mutation.add(new IincInsnNode(node.var, -1)); mutation.add(new VarInsnNode(node.getOpcode(), node.var)); if (!mn.localVariables.isEmpty()) descriptions.add("IINC -1 " + getName(mn, node)); else descriptions.add("IINC -1"); mutationCode.add(mutation); } } } catch (VariableNotFoundException e) { logger.info("Could not find variable: " + e); return new ArrayList<Mutation>(); } } else { InsnList mutation = new InsnList(); FieldInsnNode node = (FieldInsnNode) instruction.getASMNode(); Type type = Type.getType(node.desc); mutation.add(new FieldInsnNode(node.getOpcode(), node.owner, node.name, node.desc)); mutation.add(new InsnNode(getNegation(type))); descriptions.add("Negation"); mutationCode.add(mutation); if (type == Type.INT_TYPE) { mutation = new InsnList(); mutation.add(new FieldInsnNode(node.getOpcode(), node.owner, node.name, node.desc)); mutation.add(new InsnNode(Opcodes.ICONST_1)); mutation.add(new InsnNode(Opcodes.IADD)); descriptions.add("+1"); mutationCode.add(mutation); mutation = new InsnList(); mutation.add(new FieldInsnNode(node.getOpcode(), node.owner, node.name, node.desc)); mutation.add(new InsnNode(Opcodes.ICONST_M1)); mutation.add(new InsnNode(Opcodes.IADD)); descriptions.add("-1"); mutationCode.add(mutation); } } int i = 0; for (InsnList mutation : mutationCode) { // insert mutation into pool Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME + " " + descriptions.get(i++), instruction, mutation, Mutation.getDefaultInfectionDistance()); mutations.add(mutationObject); } return mutations; }
From source file:org.evosuite.instrumentation.mutation.ReplaceConstant.java
License:Open Source License
private Object getValue(AbstractInsnNode constant) { switch (constant.getOpcode()) { case Opcodes.LDC: return ((LdcInsnNode) constant).cst; case Opcodes.ICONST_0: return 0; case Opcodes.ICONST_1: return 1; case Opcodes.ICONST_2: return 2; case Opcodes.ICONST_3: return 3; case Opcodes.ICONST_4: return 4; case Opcodes.ICONST_5: return 5; case Opcodes.ICONST_M1: return -1; case Opcodes.LCONST_0: return 0L; case Opcodes.LCONST_1: return 1L; case Opcodes.DCONST_0: return 0.0; case Opcodes.DCONST_1: return 1.0; case Opcodes.FCONST_0: return 0.0F; case Opcodes.FCONST_1: return 1.0F; case Opcodes.FCONST_2: return 2.0F; case Opcodes.SIPUSH: return ((IntInsnNode) constant).operand; case Opcodes.BIPUSH: return ((IntInsnNode) constant).operand; default://from w ww . jav a2 s.c o m throw new RuntimeException("Unknown constant: " + constant.getOpcode()); } }