Example usage for org.objectweb.asm Opcodes BALOAD

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes BALOAD.

Prototype

int BALOAD

To view the source code for org.objectweb.asm Opcodes BALOAD.

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Usage

From source file:org.jacoco.core.internal.instr.FrameTracker.java

License:Open Source License

@Override
public void visitInsn(final int opcode) {
    final Object t1, t2, t3, t4;
    switch (opcode) {
    case Opcodes.NOP:
    case Opcodes.RETURN:
        break;/*from w w w .  j av a  2s  . c  o  m*/
    case Opcodes.ARETURN:
    case Opcodes.ATHROW:
    case Opcodes.FRETURN:
    case Opcodes.IRETURN:
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
    case Opcodes.POP:
        pop(1);
        break;
    case Opcodes.DRETURN:
    case Opcodes.LRETURN:
    case Opcodes.POP2:
        pop(2);
        break;
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.FASTORE:
    case Opcodes.IASTORE:
    case Opcodes.SASTORE:
        pop(3);
        break;
    case Opcodes.LASTORE:
    case Opcodes.DASTORE:
        pop(4);
        break;
    case Opcodes.ICONST_M1:
    case Opcodes.ICONST_0:
    case Opcodes.ICONST_1:
    case Opcodes.ICONST_2:
    case Opcodes.ICONST_3:
    case Opcodes.ICONST_4:
    case Opcodes.ICONST_5:
        push(Opcodes.INTEGER);
        break;
    case Opcodes.ARRAYLENGTH:
    case Opcodes.F2I:
    case Opcodes.I2B:
    case Opcodes.I2C:
    case Opcodes.I2S:
    case Opcodes.INEG:
        pop(1);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.D2I:
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.IADD:
    case Opcodes.IALOAD:
    case Opcodes.IAND:
    case Opcodes.IDIV:
    case Opcodes.IMUL:
    case Opcodes.IOR:
    case Opcodes.IREM:
    case Opcodes.ISHL:
    case Opcodes.ISHR:
    case Opcodes.ISUB:
    case Opcodes.IUSHR:
    case Opcodes.IXOR:
    case Opcodes.L2I:
    case Opcodes.SALOAD:
        pop(2);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.LCMP:
        pop(4);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        push(Opcodes.FLOAT);
        break;
    case Opcodes.FNEG:
    case Opcodes.I2F:
        pop(1);
        push(Opcodes.FLOAT);
        break;
    case Opcodes.D2F:
    case Opcodes.FADD:
    case Opcodes.FALOAD:
    case Opcodes.FDIV:
    case Opcodes.FMUL:
    case Opcodes.FREM:
    case Opcodes.FSUB:
    case Opcodes.L2F:
        pop(2);
        push(Opcodes.FLOAT);
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.F2L:
    case Opcodes.I2L:
        pop(1);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.D2L:
    case Opcodes.LALOAD:
    case Opcodes.LNEG:
        pop(2);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.LSHL:
    case Opcodes.LSHR:
    case Opcodes.LUSHR:
        pop(3);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.LADD:
    case Opcodes.LAND:
    case Opcodes.LDIV:
    case Opcodes.LMUL:
    case Opcodes.LOR:
    case Opcodes.LREM:
    case Opcodes.LSUB:
    case Opcodes.LXOR:
        pop(4);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.F2D:
    case Opcodes.I2D:
        pop(1);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.DALOAD:
    case Opcodes.DNEG:
    case Opcodes.L2D:
        pop(2);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.DADD:
    case Opcodes.DDIV:
    case Opcodes.DMUL:
    case Opcodes.DREM:
    case Opcodes.DSUB:
        pop(4);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.ACONST_NULL:
        push(Opcodes.NULL);
        break;
    case Opcodes.AALOAD:
        pop(1);
        t1 = pop();
        push(Type.getType(((String) t1).substring(1)));
        break;
    case Opcodes.DUP:
        t1 = pop();
        push(t1);
        push(t1);
        break;
    case Opcodes.DUP_X1:
        t1 = pop();
        t2 = pop();
        push(t1);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP_X2:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        push(t1);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2:
        t1 = pop();
        t2 = pop();
        push(t2);
        push(t1);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2_X1:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        push(t2);
        push(t1);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2_X2:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        t4 = pop();
        push(t2);
        push(t1);
        push(t4);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.SWAP:
        t1 = pop();
        t2 = pop();
        push(t1);
        push(t2);
        break;
    default:
        throw new IllegalArgumentException();
    }
    mv.visitInsn(opcode);
}

---

From source file:org.jboss.byteman.rule.expression.ArrayExpression.java

License:Open Source License

public void compile(MethodVisitor mv, CompileContext compileContext) throws CompileException {
    // make sure we are at the right source line
    compileContext.notifySourceLine(line);

    Type valueType = arrayRef.getType().getBaseType();
    int currentStack = compileContext.getStackCount();
    int expected = 0;

    // compile load of array reference -- adds 1 to stack height
    arrayRef.compile(mv, compileContext);
    // for each index expression compile the expression and the do an array load
    Iterator<Expression> iterator = idxList.iterator();

    while (iterator.hasNext()) {
        Expression idxExpr = iterator.next();
        // compile expression index -- adds 1 to height
        idxExpr.compile(mv, compileContext);
        // make sure the index is an integer
        compileTypeConversion(idxExpr.getType(), Type.I, mv, compileContext);

        if (valueType.isObject() || valueType.isArray()) {
            // compile load object - pops 2 and adds 1
            mv.visitInsn(Opcodes.AALOAD);
            expected = 1;/*from w  w w  .j av  a 2  s  .  c  om*/
        } else if (valueType == Type.Z || valueType == Type.B) {
            // compile load byte - pops 2 and adds 1
            mv.visitInsn(Opcodes.BALOAD);
            expected = 1;
        } else if (valueType == Type.S) {
            // compile load short - pops 2 and adds 1
            mv.visitInsn(Opcodes.SALOAD);
            expected = 1;
        } else if (valueType == Type.C) {
            // compile load char - pops 2 and adds 1
            mv.visitInsn(Opcodes.CALOAD);
            expected = 1;
        } else if (valueType == Type.I) {
            // compile load int - pops 2 and adds 1
            mv.visitInsn(Opcodes.IALOAD);
            expected = 1;
        } else if (valueType == Type.J) {
            // compile load long - pops 2 and adds 2
            mv.visitInsn(Opcodes.LALOAD);
            expected = 2;
        } else if (valueType == Type.F) {
            // compile load float - pops 2 and adds 1
            mv.visitInsn(Opcodes.FALOAD);
            expected = 1;
        } else if (valueType == Type.D) {
            // compile load double - pops 2 and adds 2
            mv.visitInsn(Opcodes.DALOAD);
            expected = 2;
        }
        compileContext.addStackCount(expected - 2);
        if (iterator.hasNext()) {
            assert valueType.isArray();
            valueType = valueType.getBaseType();
        }
    }

    // check stack height
    if (compileContext.getStackCount() != currentStack + expected) {
        throw new CompileException("ArrayExpression.compile : invalid stack height "
                + compileContext.getStackCount() + " expecting " + (currentStack + expected));
    }

    // we needed room for an aray and an index or for a one or two word result
    // but the recursive evaluations will have made sure the max stack is big enough
    // so there is no need to update the maximum stack height
}

---

From source file:org.openquark.cal.internal.javamodel.AsmJavaBytecodeGenerator.java

License:Open Source License

/**
 * @param elemType element type of the array.
 * @return java op-code to use for loading arrays with elements of the specified type.
 *///from  w  w w .j  ava  2 s.  c  om
private static int getArrayLoadOpCode(JavaTypeName elemType) {

    switch (elemType.getTag()) {

    case JavaTypeName.VOID_TAG:
        throw new IllegalArgumentException();

    case JavaTypeName.BOOLEAN_TAG:
    case JavaTypeName.BYTE_TAG:
        return Opcodes.BALOAD;

    case JavaTypeName.SHORT_TAG:
        return Opcodes.SALOAD;

    case JavaTypeName.CHAR_TAG:
        return Opcodes.CALOAD;

    case JavaTypeName.INT_TAG:
        return Opcodes.IALOAD;

    case JavaTypeName.LONG_TAG:
        return Opcodes.LALOAD;

    case JavaTypeName.DOUBLE_TAG:
        return Opcodes.DALOAD;

    case JavaTypeName.FLOAT_TAG:
        return Opcodes.FALOAD;

    case JavaTypeName.ARRAY_TAG:
    case JavaTypeName.OBJECT_TAG:
        return Opcodes.AALOAD;

    default: {
        throw new IllegalArgumentException();
    }
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator1.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Incremented (a++) integer array field")) {
            mv.visitInsn(Opcodes.DUP2); // Array and its index on stack, times two
            mv.visitInsn(opcode); // IALOAD
            mv.visitInsn(Opcodes.DUP_X2); // put the result of array[index] under [array ref] [index] [array[index]]
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);//  ww  w  .  j  a  va 2 s  . c  o  m
            mv.visitInsn(Opcodes.IASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FALOAD:
        if (this.shouldMutate("Incremented (a++) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FADD);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LALOAD:
        if (this.shouldMutate("Incremented (a++) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LADD);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DALOAD:
        if (this.shouldMutate("Incremented (a++) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Incremented (a++) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Incremented (a++) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    default:
        mv.visitInsn(opcode);
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator2.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Decremented (a--) integer array field")) {
            // stack = [array] [index] , wanted to perform an IALOAD
            mv.visitInsn(Opcodes.DUP2); // stack = [array] [index] [array] [index]
            mv.visitInsn(opcode); // stack = [array] [index] [array(index)]
            mv.visitInsn(Opcodes.DUP_X2); // stack = [array(index)] [array] [index] [array(index)]
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB); // stack = [array(index)] [array] [index] [array(index)-1]
            mv.visitInsn(Opcodes.IASTORE);
        } else {//from  w  w w .j  a  va  2 s .c  o  m
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FALOAD:
        if (this.shouldMutate("Decremented (a--) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FSUB);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LALOAD:
        if (this.shouldMutate("Decremented (a--) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LSUB);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DALOAD:
        if (this.shouldMutate("Decremented (a--) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DSUB);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Decremented (a--) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Decremented (a--) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    default:
        mv.visitInsn(opcode);
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator3.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Incremented (++a) integer array field")) {
            // stack = [array] [index]

            mv.visitInsn(Opcodes.DUP2);//  w  ww.j  av a 2  s.c  o m
            // stack = [array] [index] [array] [index]

            mv.visitInsn(opcode);
            // stack = [array] [index] [array(index)]

            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            // stack = [array] [index] [array(index)+1]

            mv.visitInsn(Opcodes.DUP_X2);
            // stack = [array(index)+1] [array] [index] [array(index)+1]

            mv.visitInsn(Opcodes.IASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FALOAD:
        if (this.shouldMutate("Incremented (++a) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FADD);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LALOAD:
        if (this.shouldMutate("Incremented (++a) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LADD);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DALOAD:
        if (this.shouldMutate("Incremented (++a) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Incremented (++a) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Incremented (++a) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.IADD);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    default:
        mv.visitInsn(opcode);
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator4.java

License:Apache License

@Override
public void visitInsn(final int opcode) {
    // I F L D + BS
    switch (opcode) {
    case Opcodes.IALOAD:
        if (this.shouldMutate("Decremented (--a) integer array field")) {
            // stack = [array] [index] 

            mv.visitInsn(Opcodes.DUP2);//from w w w  .  j  a  va  2  s .  co  m
            // stack = [array] [index] [array] [index]

            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            // stack = [array] [index] [array(index)-1]

            mv.visitInsn(Opcodes.DUP_X2);
            // stack = [array(index)-1] [array] [index] [array(index)-1]

            mv.visitInsn(Opcodes.IASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.FALOAD:
        if (this.shouldMutate("Decremented (--a) float array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FSUB);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.FASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.LALOAD:
        if (this.shouldMutate("Decremented (--a) long array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LSUB);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.LASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.DALOAD:
        if (this.shouldMutate("Decremented (--a) double array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DSUB);
            mv.visitInsn(Opcodes.DUP2_X2);
            mv.visitInsn(Opcodes.DASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.BALOAD:
        if (this.shouldMutate("Decremented (--a) byte array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2B);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.BASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    case Opcodes.SALOAD:
        if (this.shouldMutate("Decremented (--a) short array field")) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(opcode);
            mv.visitInsn(Opcodes.ICONST_1);
            mv.visitInsn(Opcodes.ISUB);
            mv.visitInsn(Opcodes.I2S);
            mv.visitInsn(Opcodes.DUP_X2);
            mv.visitInsn(Opcodes.SASTORE);
        } else {
            mv.visitInsn(opcode);
        }
        break;

    default:
        mv.visitInsn(opcode);
        break;
    }
}

---

From source file:org.sonar.java.bytecode.se.BytecodeEGWalkerExecuteTest.java

License:Open Source License

@Test
public void test_array_load() throws Exception {
    int[] loadRefOpcodes = new int[] { Opcodes.IALOAD, Opcodes.LALOAD, Opcodes.FALOAD, Opcodes.DALOAD,
            Opcodes.AALOAD, Opcodes.BALOAD, Opcodes.CALOAD, Opcodes.SALOAD };
    SymbolicValue array = new SymbolicValue();
    SymbolicValue index = new SymbolicValue();
    ProgramState initState = ProgramState.EMPTY_STATE.stackValue(array).stackValue(index);
    for (int opcode : loadRefOpcodes) {
        ProgramState programState = execute(new Instruction(opcode), initState);
        if (opcode != Opcodes.AALOAD) {
            assertStack(programState, ObjectConstraint.NOT_NULL);
        }// w w w.  j  ava 2 s . c  o  m
        ProgramState.Pop result = programState.unstackValue(1);
        assertThat(result.values).hasSize(1);
        assertThat(result.values.get(0)).isNotEqualTo(array);
        assertThat(result.values.get(0)).isNotEqualTo(index);
        if (opcode == Opcodes.DALOAD || opcode == Opcodes.LALOAD) {
            assertThat(isDoubleOrLong(programState, result.values.get(0))).isTrue();
        }
    }
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode/*from   ww  w  .j  a va2  s  .  c  om*/
 * @param s
 */
static void handleJVMInsn(int opcode, JVMStackState s) {
    BaseType o1;
    BaseType o2;
    BaseType o3;
    List<BaseType> l1;
    List<BaseType> l2;
    switch (opcode) {
    case Opcodes.NOP:
        break;

    case Opcodes.ARRAYLENGTH:
        o1 = s.pop();
        s.push(new BasicConstant(Type.INT_TYPE, 0, !(o1 != null && !o1.isTainted())));
        break;
    case Opcodes.ACONST_NULL:
        s.push(new BasicConstant(Type.VOID_TYPE, "<null>")); //$NON-NLS-1$
        break;
    case Opcodes.ICONST_M1:
    case Opcodes.ICONST_0:
    case Opcodes.ICONST_1:
    case Opcodes.ICONST_2:
    case Opcodes.ICONST_3:
    case Opcodes.ICONST_4:
    case Opcodes.ICONST_5:
        s.push(new BasicConstant(Type.INT_TYPE, opcode - 3));
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        s.push(new BasicConstant(Type.LONG_TYPE, opcode - 9L));
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        s.push(new BasicConstant(Type.FLOAT_TYPE, opcode - 11f));
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        s.push(new BasicConstant(Type.DOUBLE_TYPE, opcode - 14d));
        break;
    case Opcodes.IALOAD:
    case Opcodes.LALOAD:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.SALOAD:
        o1 = s.pop();
        o2 = s.pop();
        s.push(new BasicVariable(toType(opcode), "primitive array elem", //$NON-NLS-1$
                (o1 == null || o1.isTainted()) | (o2 == null || o2.isTainted())));
        break;

    case Opcodes.AALOAD:
        o1 = s.pop();
        o2 = s.pop();
        if (o1 != null && o2 instanceof SimpleType && ((SimpleType) o2).getType().toString().startsWith("[")) { //$NON-NLS-1$
            Type atype = Type.getType(((SimpleType) o2).getType().toString().substring(1));
            if (o2.getAlternativeTypes() != null && !o2.getAlternativeTypes().isEmpty()) {
                s.clear();
                break;
            }
            s.push(new BasicVariable(atype, "array elem " + atype, o1.isTainted() | o2.isTainted())); //$NON-NLS-1$
        } else {
            s.clear();
        }
        break;

    case Opcodes.IASTORE:
    case Opcodes.LASTORE:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.SASTORE:
        s.pop(3);
        break;

    case Opcodes.POP2:
        s.pop();
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
    case Opcodes.POP:
        s.pop();
        break;

    case Opcodes.DUP:
        if (!s.isEmpty()) {
            o1 = s.pop();
            s.push(o1);
            s.push(o1);
        }
        break;
    case Opcodes.DUP_X1:
        o1 = s.pop();
        o2 = s.pop();
        s.push(o1);
        s.push(o2);
        s.push(o1);
        break;
    case Opcodes.DUP_X2:
        o1 = s.pop();
        o2 = s.pop();
        o3 = s.pop();
        s.push(o1);
        s.push(o3);
        s.push(o2);
        s.push(o1);
        break;
    case Opcodes.DUP2:
        l1 = s.popWord();
        if (l1.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.pushWord(l1);
        }
        break;
    case Opcodes.DUP2_X1:
        l1 = s.popWord();
        o1 = s.pop();
        if (l1.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.push(o1);
            s.pushWord(l1);
        }
        break;
    case Opcodes.DUP2_X2:
        l1 = s.popWord();
        l2 = s.popWord();
        if (l1.isEmpty() || l2.isEmpty()) {
            log.trace("DUP2 with unknown operand"); //$NON-NLS-1$
            s.clear();
        } else {
            s.pushWord(l1);
            s.pushWord(l2);
            s.pushWord(l1);
        }
        break;

    case Opcodes.SWAP:
        o1 = s.pop();
        o2 = s.pop();
        s.push(o1);
        s.push(o2);
        break;

    case Opcodes.IADD:
    case Opcodes.LADD:
    case Opcodes.FADD:
    case Opcodes.DADD:
    case Opcodes.ISUB:
    case Opcodes.LSUB:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
    case Opcodes.IMUL:
    case Opcodes.LMUL:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
    case Opcodes.IDIV:
    case Opcodes.LDIV:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
    case Opcodes.IREM:
    case Opcodes.LREM:
    case Opcodes.FREM:
    case Opcodes.DREM:
    case Opcodes.IAND:
    case Opcodes.LAND:
    case Opcodes.IOR:
    case Opcodes.LOR:
    case Opcodes.IXOR:
    case Opcodes.LXOR:
    case Opcodes.LCMP:
    case Opcodes.FCMPL:
    case Opcodes.FCMPG:
    case Opcodes.DCMPL:
    case Opcodes.DCMPG:
        s.merge(2);
        break;

    case Opcodes.ISHL:
    case Opcodes.LSHL:
    case Opcodes.ISHR:
    case Opcodes.LSHR:
    case Opcodes.IUSHR:
    case Opcodes.LUSHR:
        s.pop(); // amount
        // ignore value
        break;

    case Opcodes.INEG:
    case Opcodes.F2I:
    case Opcodes.D2I:
    case Opcodes.L2I:
        s.push(cast(s.pop(), Type.INT_TYPE));
        break;

    case Opcodes.LNEG:
    case Opcodes.I2L:
    case Opcodes.F2L:
    case Opcodes.D2L:
        s.push(cast(s.pop(), Type.LONG_TYPE));
        break;

    case Opcodes.FNEG:
    case Opcodes.I2F:
    case Opcodes.L2F:
    case Opcodes.D2F:
        s.push(cast(s.pop(), Type.FLOAT_TYPE));

    case Opcodes.DNEG:
    case Opcodes.I2D:
    case Opcodes.L2D:
    case Opcodes.F2D:
        s.push(cast(s.pop(), Type.DOUBLE_TYPE));

    case Opcodes.I2B:
        s.push(cast(s.pop(), Type.BYTE_TYPE));
        break;
    case Opcodes.I2C:
        s.push(cast(s.pop(), Type.CHAR_TYPE));
        break;
    case Opcodes.I2S:
        s.push(cast(s.pop(), Type.SHORT_TYPE));
        break;

    case Opcodes.ARETURN:
        s.clear();
        break;

    case Opcodes.IRETURN:
    case Opcodes.LRETURN:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
    case Opcodes.RETURN:
        if (log.isTraceEnabled()) {
            log.trace("Found return " + s.pop()); //$NON-NLS-1$
        }
        s.clear();
        break;

    case Opcodes.ATHROW:
        Object thrw = s.pop();
        log.trace("Found throw " + thrw); //$NON-NLS-1$
        s.clear();
        break;

    default:
        log.warn("Unsupported instruction code " + opcode); //$NON-NLS-1$
    }
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode/*w ww . j  a va  2 s .co  m*/
 * @return
 */
private static Type toType(int opcode) {
    switch (opcode) {
    case Opcodes.LLOAD:
        return Type.LONG_TYPE;
    case Opcodes.ILOAD:
        return Type.INT_TYPE;
    case Opcodes.FLOAD:
        return Type.FLOAT_TYPE;
    case Opcodes.DLOAD:
        return Type.DOUBLE_TYPE;
    case Opcodes.ALOAD:
        return Type.getType("Ljava/lang/Object;"); //$NON-NLS-1$
    case Opcodes.IALOAD:
        return Type.INT_TYPE;
    case Opcodes.LALOAD:
        return Type.LONG_TYPE;
    case Opcodes.FALOAD:
        return Type.FLOAT_TYPE;
    case Opcodes.DALOAD:
        return Type.DOUBLE_TYPE;
    case Opcodes.BALOAD:
        return Type.BYTE_TYPE;
    case Opcodes.CALOAD:
        return Type.CHAR_TYPE;
    case Opcodes.SALOAD:
        return Type.SHORT_TYPE;
    }
    return Type.VOID_TYPE;
}

---

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