Examples with LookupSwitchInsnNode org.objectweb.asm.tree.LookupSwitchInsnNode used on opensource projects

Example 1 with LookupSwitchInsnNode

use of org.objectweb.asm.tree.LookupSwitchInsnNode in project evosuite by EvoSuite.

the class BranchPool method registerSwitchInstruction.

private void registerSwitchInstruction(BytecodeInstruction v) {
    if (!v.isSwitch())
        throw new IllegalArgumentException("expect a switch instruction");
    LabelNode defaultLabel = null;
    switch(v.getASMNode().getOpcode()) {
        case Opcodes.TABLESWITCH:
            TableSwitchInsnNode tableSwitchNode = (TableSwitchInsnNode) v.getASMNode();
            registerTableSwitchCases(v, tableSwitchNode);
            defaultLabel = tableSwitchNode.dflt;
            break;
        case Opcodes.LOOKUPSWITCH:
            LookupSwitchInsnNode lookupSwitchNode = (LookupSwitchInsnNode) v.getASMNode();
            registerLookupSwitchCases(v, lookupSwitchNode);
            defaultLabel = lookupSwitchNode.dflt;
            break;
        default:
            throw new IllegalStateException("expect ASMNode of a switch to either be a LOOKUP- or TABLESWITCH");
    }
    registerDefaultCase(v, defaultLabel);
}

Example 2 with LookupSwitchInsnNode

use of org.objectweb.asm.tree.LookupSwitchInsnNode in project openj9 by eclipse.

the class ClassFileCompare method compareInstructions.

private void compareInstructions(ClassNode clazz1, MethodNode method1, ClassNode clazz2, MethodNode method2) {
    if (nullCheck(method1.instructions, method2.instructions, "Instructions (" + method1.name + ")")) {
        return;
    }
    if (method1.instructions.size() != method2.instructions.size()) {
        reportDifference("Method " + method1.name + ": instructions differ: " + method1.instructions.size() + ", " + method2.instructions.size());
    } else {
        @SuppressWarnings("unchecked") Iterator<AbstractInsnNode> iter1 = method1.instructions.iterator();
        @SuppressWarnings("unchecked") Iterator<AbstractInsnNode> iter2 = method2.instructions.iterator();
        int index = 0;
        while (iter1.hasNext()) {
            AbstractInsnNode instruction1 = iter1.next();
            AbstractInsnNode instruction2 = iter2.next();
            if (instruction1.getOpcode() != instruction2.getOpcode()) {
                /* Check for J9 opcode mapping */
                compareJ9OpcodeMapping(clazz2, method2, instruction1, instruction2, index);
            } else {
                switch(instruction1.getType()) {
                    case INSN:
                        /* Do nothing */
                        break;
                    case INT_INSN:
                        compare(((IntInsnNode) instruction1).operand, ((IntInsnNode) instruction2).operand, "Operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")", false);
                        break;
                    case VAR_INSN:
                        compare(((VarInsnNode) instruction1).var, ((VarInsnNode) instruction2).var, "Operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")", false);
                        break;
                    case TYPE_INSN:
                        compare(((TypeInsnNode) instruction1).desc, ((TypeInsnNode) instruction2).desc, "Operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                        break;
                    case FIELD_INSN:
                        {
                            FieldInsnNode fieldInsn1 = (FieldInsnNode) instruction1;
                            FieldInsnNode fieldInsn2 = (FieldInsnNode) instruction2;
                            compare(fieldInsn1.owner, fieldInsn2.owner, "Owning class name of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            compare(fieldInsn1.name, fieldInsn2.name, "Field name of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            compare(fieldInsn1.desc, fieldInsn2.desc, "Descriptor of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            break;
                        }
                    case METHOD_INSN:
                        {
                            MethodInsnNode methodInsn1 = (MethodInsnNode) instruction1;
                            MethodInsnNode methodInsn2 = (MethodInsnNode) instruction2;
                            compare(methodInsn1.owner, methodInsn2.owner, "Owning class name of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            compare(methodInsn1.name, methodInsn2.name, "Method name of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            compare(methodInsn1.desc, methodInsn2.desc, "Descriptor of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            break;
                        }
                    case INVOKE_DYNAMIC_INSN:
                        compareInvokeDynamic((InvokeDynamicInsnNode) instruction1, (InvokeDynamicInsnNode) instruction2, method1, index);
                        break;
                    case JUMP_INSN:
                        compare(method1, ((JumpInsnNode) instruction1).label, method2, ((JumpInsnNode) instruction2).label, "Operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                        break;
                    case LABEL:
                        /* Do nothing */
                        break;
                    case LDC_INSN:
                        if (!((LdcInsnNode) instruction1).cst.equals(((LdcInsnNode) instruction2).cst)) {
                            reportDifference("Operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") differ: " + ((LdcInsnNode) instruction1).cst + ", " + ((LdcInsnNode) instruction2).cst);
                        }
                        break;
                    case IINC_INSN:
                        {
                            IincInsnNode iincInsn1 = (IincInsnNode) instruction1;
                            IincInsnNode iincInsn2 = (IincInsnNode) instruction2;
                            compare(iincInsn1.var, iincInsn2.var, "Variable operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")", false);
                            compare(iincInsn1.incr, iincInsn2.incr, "Increment operands of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")", false);
                            break;
                        }
                    case TABLESWITCH_INSN:
                        {
                            TableSwitchInsnNode tableSwitchInsn1 = (TableSwitchInsnNode) instruction1;
                            TableSwitchInsnNode tableSwitchInsn2 = (TableSwitchInsnNode) instruction2;
                            compare(tableSwitchInsn1.min, tableSwitchInsn2.min, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") minimum key value", false);
                            compare(tableSwitchInsn1.max, tableSwitchInsn2.max, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") maximum key value", false);
                            compare(method1, tableSwitchInsn1.dflt, method2, tableSwitchInsn2.dflt, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") default_handler_block");
                            compareLabels(method1, tableSwitchInsn1.labels, method2, tableSwitchInsn2.labels, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") handler_blocks");
                            break;
                        }
                    case LOOKUPSWITCH_INSN:
                        {
                            LookupSwitchInsnNode lookupSwitchInsn1 = (LookupSwitchInsnNode) instruction1;
                            LookupSwitchInsnNode lookupSwitchInsn2 = (LookupSwitchInsnNode) instruction2;
                            compare(method1, lookupSwitchInsn1.dflt, method2, lookupSwitchInsn2.dflt, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") default_handler_block");
                            compare(lookupSwitchInsn1.keys, lookupSwitchInsn2.keys, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") key values");
                            compareLabels(method1, lookupSwitchInsn1.labels, method2, lookupSwitchInsn2.labels, Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ") handler_blocks");
                            break;
                        }
                    case MULTIANEWARRAY_INSN:
                        {
                            MultiANewArrayInsnNode arrayInsn1 = (MultiANewArrayInsnNode) instruction1;
                            MultiANewArrayInsnNode arrayInsn2 = (MultiANewArrayInsnNode) instruction2;
                            compare(arrayInsn1.desc, arrayInsn2.desc, "Desc operand of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")");
                            compare(arrayInsn1.dims, arrayInsn2.dims, "Dimension operand of " + Printer.OPCODES[instruction1.getOpcode()] + " (" + method1.name + ":" + index + ")", false);
                            break;
                        }
                    case FRAME:
                        {
                            FrameNode frameInsn1 = (FrameNode) instruction1;
                            FrameNode frameInsn2 = (FrameNode) instruction2;
                            compare(frameInsn1.type, frameInsn2.type, "Stack map frame (" + method1.name + ":" + index + ") frame type", false);
                            compareFrames(frameInsn1.local, frameInsn2.local, "Stack map frame (" + method1.name + ":" + index + ") types of the local variables");
                            compareFrames(frameInsn1.stack, frameInsn2.stack, "Stack map frame (" + method1.name + ":" + index + ") types of the operand stack elements");
                        }
                        break;
                    case LINE:
                        {
                            assert shouldCompareDebugInfo;
                            LineNumberNode lineInsn1 = (LineNumberNode) instruction1;
                            LineNumberNode lineInsn2 = (LineNumberNode) instruction2;
                            compare(lineInsn1.line, lineInsn2.line, "Line number (" + method1.name + ":" + index + ") line No.", false);
                            compare(method1, lineInsn1.start, method2, lineInsn2.start, "Line number (" + method1.name + ":" + index + ") offset of the 1st instruction");
                            break;
                        }
                    default:
                        assert false;
                }
            }
            index++;
        }
    }
}

Example 3 with LookupSwitchInsnNode

use of org.objectweb.asm.tree.LookupSwitchInsnNode in project soot by Sable.

the class AsmMethodSource method convert.

private void convert() {
    ArrayDeque<Edge> worklist = new ArrayDeque<Edge>();
    for (LabelNode ln : trapHandlers.keySet()) {
        if (checkInlineExceptionHandler(ln))
            handleInlineExceptionHandler(ln, worklist);
        else
            worklist.add(new Edge(ln, new ArrayList<Operand>()));
    }
    worklist.add(new Edge(instructions.getFirst(), new ArrayList<Operand>()));
    conversionWorklist = worklist;
    edges = HashBasedTable.create(1, 1);
    do {
        Edge edge = worklist.pollLast();
        AbstractInsnNode insn = edge.insn;
        stack = edge.stack;
        edge.stack = null;
        do {
            int type = insn.getType();
            if (type == FIELD_INSN) {
                convertFieldInsn((FieldInsnNode) insn);
            } else if (type == IINC_INSN) {
                convertIincInsn((IincInsnNode) insn);
            } else if (type == INSN) {
                convertInsn((InsnNode) insn);
                int op = insn.getOpcode();
                if ((op >= IRETURN && op <= RETURN) || op == ATHROW) {
                    break;
                }
            } else if (type == INT_INSN) {
                convertIntInsn((IntInsnNode) insn);
            } else if (type == LDC_INSN) {
                convertLdcInsn((LdcInsnNode) insn);
            } else if (type == JUMP_INSN) {
                JumpInsnNode jmp = (JumpInsnNode) insn;
                convertJumpInsn(jmp);
                int op = jmp.getOpcode();
                if (op == JSR)
                    throw new UnsupportedOperationException("JSR!");
                if (op != GOTO) {
                    /* ifX opcode, i.e. two successors */
                    AbstractInsnNode next = insn.getNext();
                    addEdges(insn, next, Collections.singletonList(jmp.label));
                } else {
                    addEdges(insn, jmp.label, null);
                }
                break;
            } else if (type == LOOKUPSWITCH_INSN) {
                LookupSwitchInsnNode swtch = (LookupSwitchInsnNode) insn;
                convertLookupSwitchInsn(swtch);
                LabelNode dflt = swtch.dflt;
                addEdges(insn, dflt, swtch.labels);
                break;
            } else if (type == METHOD_INSN) {
                convertMethodInsn((MethodInsnNode) insn);
            } else if (type == INVOKE_DYNAMIC_INSN) {
                convertInvokeDynamicInsn((InvokeDynamicInsnNode) insn);
            } else if (type == MULTIANEWARRAY_INSN) {
                convertMultiANewArrayInsn((MultiANewArrayInsnNode) insn);
            } else if (type == TABLESWITCH_INSN) {
                TableSwitchInsnNode swtch = (TableSwitchInsnNode) insn;
                convertTableSwitchInsn(swtch);
                LabelNode dflt = swtch.dflt;
                addEdges(insn, dflt, swtch.labels);
            } else if (type == TYPE_INSN) {
                convertTypeInsn((TypeInsnNode) insn);
            } else if (type == VAR_INSN) {
                if (insn.getOpcode() == RET)
                    throw new UnsupportedOperationException("RET!");
                convertVarInsn((VarInsnNode) insn);
            } else if (type == LABEL) {
                convertLabel((LabelNode) insn);
            } else if (type == LINE) {
                convertLine((LineNumberNode) insn);
            } else if (type == FRAME) {
            // we can ignore it
            } else
                throw new RuntimeException("Unknown instruction type: " + type);
        } while ((insn = insn.getNext()) != null);
    } while (!worklist.isEmpty());
    conversionWorklist = null;
    edges = null;
}

Example 4 with LookupSwitchInsnNode

use of org.objectweb.asm.tree.LookupSwitchInsnNode in project evosuite by EvoSuite.

the class BranchInstrumentation method addInstrumentationForDefaultLookupswitchCase.

/**
 * <p>
 * addInstrumentationForDefaultLookupswitchCase
 * </p>
 *
 * @param v
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @param instrumentation
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 */
protected void addInstrumentationForDefaultLookupswitchCase(BytecodeInstruction v, InsnList instrumentation) {
    if (!v.isLookupSwitch())
        throw new IllegalArgumentException("lookup switch expected");
    // setup instructions
    LookupSwitchInsnNode toInstrument = (LookupSwitchInsnNode) v.getASMNode();
    LabelNode caseLabel = new LabelNode();
    LabelNode defaultLabel = new LabelNode();
    LabelNode endLabel = new LabelNode();
    int keySize = toInstrument.keys.size();
    int[] keys = new int[keySize];
    LabelNode[] labels = new LabelNode[keySize];
    for (int i = 0; i < keySize; i++) {
        keys[i] = (Integer) toInstrument.keys.get(i);
        labels[i] = caseLabel;
    }
    LookupSwitchInsnNode myLookup = new LookupSwitchInsnNode(defaultLabel, keys, labels);
    addDefaultCaseInstrumentation(v, instrumentation, myLookup, defaultLabel, caseLabel, endLabel);
}

Example 5 with LookupSwitchInsnNode

use of org.objectweb.asm.tree.LookupSwitchInsnNode in project spring-loaded by spring-projects.

the class TypeDiffComputer method sameLookupSwitchInsn.

@SuppressWarnings("unchecked")
private static boolean sameLookupSwitchInsn(AbstractInsnNode o, AbstractInsnNode n) {
    if (!(n instanceof LookupSwitchInsnNode)) {
        return false;
    }
    LookupSwitchInsnNode lsio = (LookupSwitchInsnNode) o;
    LookupSwitchInsnNode lsin = (LookupSwitchInsnNode) n;
    if (sameLabels(lsio.dflt, lsin.dflt)) {
        return false;
    }
    List<Integer> keyso = lsio.keys;
    List<Integer> keysn = lsin.keys;
    if (keyso.size() != keysn.size()) {
        return false;
    }
    for (int i = 0, max = keyso.size(); i < max; i++) {
        if (keyso.get(i) != keysn.get(i)) {
            return false;
        }
    }
    List<LabelNode> labelso = lsio.labels;
    List<LabelNode> labelsn = lsin.labels;
    if (labelso.size() != labelsn.size()) {
        return false;
    }
    for (int i = 0, max = labelso.size(); i < max; i++) {
        if (!sameLabelNode(labelso.get(i), labelsn.get(i))) {
            return false;
        }
    }
    return true;
}