Java FloatConstant类代码示例

import soot.jimple.FloatConstant; //导入依赖的package包/类
protected Value getSimpleDefaultValue(String t) {
	if (t.equals("java.lang.String"))
		return StringConstant.v("");
	if (t.equals("char"))
		return DIntConstant.v(0, CharType.v());
	if (t.equals("byte"))
		return DIntConstant.v(0, ByteType.v());
	if (t.equals("short"))
		return DIntConstant.v(0, ShortType.v());
	if (t.equals("int"))
		return IntConstant.v(0);
	if (t.equals("float"))
		return FloatConstant.v(0);
	if (t.equals("long"))
		return LongConstant.v(0);
	if (t.equals("double"))
		return DoubleConstant.v(0);
	if (t.equals("boolean"))
		return DIntConstant.v(0, BooleanType.v());

	//also for arrays etc.
	return G.v().soot_jimple_NullConstant();
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
public static PushInst getPushInitializer(Local l, Type t) {
  if (t instanceof IntegerType) {
    return Baf.v().newPushInst(IntConstant.v(soot.jbco.util.Rand.getInt()));
  } else if (t instanceof RefLikeType || t instanceof StmtAddressType) {
    return Baf.v().newPushInst(NullConstant.v());
  } else if (t instanceof LongType) {
    return Baf.v().newPushInst(LongConstant.v(soot.jbco.util.Rand.getLong()));
  } else if (t instanceof FloatType) {
    return Baf.v().newPushInst(
        FloatConstant.v(soot.jbco.util.Rand.getFloat()));
  } else if (t instanceof DoubleType) {
    return Baf.v().newPushInst(
        DoubleConstant.v(soot.jbco.util.Rand.getDouble()));
  }
  
  return null;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
public static Object isAConstantValue(Value toCheck){
	Object value=null;
	
	if(toCheck instanceof LongConstant){
		value = new Long(((LongConstant)toCheck).value);
	}
	else if(toCheck instanceof DoubleConstant){
		value = new Double(((DoubleConstant)toCheck).value);
	}
	else if(toCheck instanceof FloatConstant){
		value = new Float(((FloatConstant)toCheck).value);
	}
	else if(toCheck instanceof IntConstant){
		int val = ((IntConstant)toCheck).value;
		value = new Integer(val);			
	}
	return value;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
public static Value createConstant(Object toConvert){
	if(toConvert instanceof Long){
		return LongConstant.v( ((Long)toConvert).longValue() );
	}
	else if(toConvert instanceof Double){
		return DoubleConstant.v( ((Double)toConvert).doubleValue());
	}
	else if(toConvert instanceof Boolean){
		boolean val = ((Boolean)toConvert).booleanValue();
		if(val)
			return DIntConstant.v(1,BooleanType.v());
		else
			return DIntConstant.v(0,BooleanType.v());
	}	
	else if(toConvert instanceof Float){
		return FloatConstant.v( ((Float)toConvert).floatValue());
	}
	else if(toConvert instanceof Integer){
		return IntConstant.v( ((Integer)toConvert).intValue());
	}
	else
		return null;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
private Value toSootValue(Object val) throws AssertionError {
	Value v;
	if (val instanceof Integer)
		v = IntConstant.v((Integer) val);
	else if (val instanceof Float)
		v = FloatConstant.v((Float) val);
	else if (val instanceof Long)
		v = LongConstant.v((Long) val);
	else if (val instanceof Double)
		v = DoubleConstant.v((Double) val);
	else if (val instanceof String)
		v = StringConstant.v(val.toString());
	else if (val instanceof org.objectweb.asm.Type)
		v = ClassConstant.v(((org.objectweb.asm.Type) val).getInternalName());
	else if (val instanceof Handle)
		v = MethodHandle.v(toSootMethodRef((Handle) val), ((Handle)val).getTag());
	else
		throw new AssertionError("Unknown constant type: " + val.getClass());
	return v;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
protected String floatToString(FloatConstant v) {
	String s = v.toString();
	
	if(s.equals("#InfinityF"))
	    s="+FloatInfinity";
	else if(s.equals("#-InfinityF"))
	    s="-FloatInfinity";
	else if(s.equals("#NaNF"))
	    s="+FloatNaN";
	return s;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
private void convertConstInsn(InsnNode insn) {
	int op = insn.getOpcode();
	StackFrame frame = getFrame(insn);
	Operand[] out = frame.out();
	Operand opr;
	if (out == null) {
		Value v;
		if (op == ACONST_NULL)
			v = NullConstant.v();
		else if (op >= ICONST_M1 && op <= ICONST_5)
			v = IntConstant.v(op - ICONST_0);
		else if (op == LCONST_0 || op == LCONST_1)
			v = LongConstant.v(op - LCONST_0);
		else if (op >= FCONST_0 && op <= FCONST_2)
			v = FloatConstant.v(op - FCONST_0);
		else if (op == DCONST_0 || op == DCONST_1)
			v = DoubleConstant.v(op - DCONST_0);
		else
			throw new AssertionError("Unknown constant opcode: " + op);
		opr = new Operand(insn, v);
		frame.out(opr);
	} else {
		opr = out[0];
	}
	if (op == LCONST_0 || op == LCONST_1 ||
			op == DCONST_0 || op == DCONST_1) {
		pushDual(opr);
	} else {
		push(opr);
	}
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
private ConstantValueTag createConstantTagFromValue(Constant rightOp) {
	if (rightOp instanceof DoubleConstant)
		return new DoubleConstantValueTag(((DoubleConstant) rightOp).value);
	else if (rightOp instanceof FloatConstant)
		return new FloatConstantValueTag(((FloatConstant) rightOp).value);
	else if (rightOp instanceof IntConstant)
		return new IntegerConstantValueTag(((IntConstant) rightOp).value);
	else if (rightOp instanceof LongConstant)
		return new LongConstantValueTag(((LongConstant) rightOp).value);
	else if (rightOp instanceof StringConstant)
		return new StringConstantValueTag(((StringConstant) rightOp).value);
	else
		return null;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
private boolean checkConstantValue(ConstantValueTag t, Constant rightOp) {
	if (t == null || rightOp == null)
		return true;
	
	if (t instanceof DoubleConstantValueTag) {
		if (!(rightOp instanceof DoubleConstant))
			return false;
		return ((DoubleConstantValueTag) t).getDoubleValue() == ((DoubleConstant) rightOp).value;
	}
	else if (t instanceof FloatConstantValueTag) {
		if (!(rightOp instanceof FloatConstant))
			return false;
		return ((FloatConstantValueTag) t).getFloatValue() == ((FloatConstant) rightOp).value;
	}
	else if (t instanceof IntegerConstantValueTag) {
		if (!(rightOp instanceof IntConstant))
			return false;
		return ((IntegerConstantValueTag) t).getIntValue() == ((IntConstant) rightOp).value;
	}
	else if (t instanceof LongConstantValueTag) {
		if (!(rightOp instanceof LongConstant))
			return false;
		return ((LongConstantValueTag) t).getLongValue() == ((LongConstant) rightOp).value;
	}
	else if (t instanceof StringConstantValueTag) {
		if (!(rightOp instanceof StringConstant))
			return false;
		return ((StringConstantValueTag) t).getStringValue().equals(((StringConstant) rightOp).value);
	}
	else
		// We don't know the type, so we assume it's alright
		return true;
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
@Test
public void testJBinOpExp() {
    Value v = Jimple.v().newAddExpr(IntConstant.v(456), 
            Jimple.v().newLocal("local", IntType.v()));
    assertTrue(ExceptionTestUtility.sameMembers(utility.VM_ERRORS, Collections.EMPTY_SET,
                unitAnalysis.mightThrow(v)));
    assertEquals(utility.VM_ERRORS_PLUS_SUPERTYPES,
            utility.catchableSubset(unitAnalysis.mightThrow(v)));

    v = Jimple.v().newOrExpr(Jimple.v().newLocal("local", LongType.v()),
            LongConstant.v(33));
    assertTrue(ExceptionTestUtility.sameMembers(utility.VM_ERRORS, Collections.EMPTY_SET,
                unitAnalysis.mightThrow(v)));
    assertEquals(utility.VM_ERRORS_PLUS_SUPERTYPES,
            utility.catchableSubset(unitAnalysis.mightThrow(v)));

    v = Jimple.v().newLeExpr(Jimple.v().newLocal("local", FloatType.v()),
            FloatConstant.v(33.42f));
    assertTrue(ExceptionTestUtility.sameMembers(utility.VM_ERRORS, Collections.EMPTY_SET,
                unitAnalysis.mightThrow(v)));
    assertEquals(utility.VM_ERRORS_PLUS_SUPERTYPES,
            utility.catchableSubset(unitAnalysis.mightThrow(v)));

    v = Jimple.v().newEqExpr(DoubleConstant.v(-33.45e-3),
            Jimple.v().newLocal("local", DoubleType.v()));
    assertTrue(ExceptionTestUtility.sameMembers(utility.VM_ERRORS, Collections.EMPTY_SET,
                unitAnalysis.mightThrow(v)));
    assertEquals(utility.VM_ERRORS_PLUS_SUPERTYPES,
            utility.catchableSubset(unitAnalysis.mightThrow(v)));
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
public IdentifierExpression lookupInternFloat(FloatConstant s) {
	if (!floatInternMap.containsKey(s.toString())) {
		String name = "$FloatConst" + floatInternMap.size();
		floatInternMap.put(s.toString(),
				this.pf.mkIdentifierExpression(this.getBoogieType(s.getType()), name, true, true, true));
	}
	return floatInternMap.get(s.toString());
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
/**
 * Return a constant value corresponding to the primary type.
 * 
 * @param type
 * @return
 */
public static Value getPrimValue(PrimType type) {
	if (type instanceof IntegerType) {
		return IntConstant.v(1);
	} else if (type instanceof LongType) {
		return LongConstant.v(1);
	} else if (type instanceof FloatType) {
		return FloatConstant.v(1);
	} else {
		return DoubleConstant.v(1);
	}
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
public static Value toDefaultSootTypeValue(Type sootType)
{
	String type = sootType.toString();
	
	if ("boolean".equals(type))
	{
		IntConstant.v(0);
	}
	else if ("byte".equals(type))
	{
		return IntConstant.v(0);
	}
	else if ("char".equals(type))
	{
		return IntConstant.v(0);
	}
	else if ("short".equals(type))
	{
		return IntConstant.v(0);
	}
	else if ("int".equals(type))
	{
		return IntConstant.v(0);
	}
	else if ("long".equals(type))
	{
		return LongConstant.v(0);
	}
	else if ("float".equals(type))
	{
		return FloatConstant.v(0);
	}
	else if ("double".equals(type))
	{
		return DoubleConstant.v(0);
	}

	return NullConstant.v();
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
public IdentifierExpression lookupInternFloat(FloatConstant s) {
	if (!floatInternMap.containsKey(s.toString())) {
		String name = "$FloatConst"+floatInternMap.size();
		floatInternMap.put(s.toString(), this.pf.mkIdentifierExpression(this.getBoogieType(s.getType()), name, true, true, true));
	}
	return floatInternMap.get(s.toString());
}
 

import soot.jimple.FloatConstant; //导入依赖的package包/类
/**
 * Builds a representation of a constant from its value expressed as
 * a Soot constant and its Soot type. It is transformed in an equivalent
 * pair of strings.
 * @param v the value of the constant
 * @param t its type.
 */
public ConstantValue(Constant v, Type t) { 
	if (v instanceof IntConstant) {
		int n = ((IntConstant) v).value;
		if (t instanceof CharType) {
			rep_t = CHAR_TYPE;
			rep_v = Character.toString((char) n);
		} else if (t instanceof BooleanType) {
			rep_t = BOOLEAN_TYPE;
			rep_v = Boolean.toString((n != 0));
		} else {
			rep_t = INT_TYPE;
			rep_v = Integer.toString(n);
		}
	} else if (v instanceof LongConstant) {
		rep_t = LONG_TYPE;
		rep_v = Long.toString(((LongConstant) v).value);
	} else if (v instanceof FloatConstant) {
		rep_t = FLOAT_TYPE;
		rep_v = Float.toString(((FloatConstant) v).value);
	} else if (v instanceof NullConstant) {
		rep_t = NULL;
		rep_v = NULL;
	} else {
		rep_t = t.toString();
		rep_v = "";
	}
}