本文整理汇总了Java中org.apache.bcel.generic.CHECKCAST类的典型用法代码示例。如果您正苦于以下问题:Java CHECKCAST类的具体用法?Java CHECKCAST怎么用?Java CHECKCAST使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
CHECKCAST类属于org.apache.bcel.generic包,在下文中一共展示了CHECKCAST类的10个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: visitCHECKCAST
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
@Override
public void visitCHECKCAST(CHECKCAST obj) {
// cast to a safe object type
ObjectType objectType = obj.getLoadClassType(cpg);
if (objectType == null) {
return;
}
String objectTypeSignature = objectType.getSignature();
if(!taintConfig.isClassTaintSafe(objectTypeSignature)) {
return;
}
try {
getFrame().popValue();
pushSafe();
}
catch (DataflowAnalysisException ex) {
throw new InvalidBytecodeException("empty stack for checkcast", ex);
}
}
开发者ID:blackarbiter,项目名称:Android_Code_Arbiter,代码行数:23,代码来源:TaintFrameModelingVisitor.java
示例2: visitCHECKCAST
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
public void visitCHECKCAST(CHECKCAST c) {
Type t = c.getType(poolGen);
log.log(" instr(checkcast)=" + t, Project.MSG_DEBUG);
String type = t.toString();
design.checkClass(type);
}
开发者ID:cniweb,项目名称:ant-contrib,代码行数:8,代码来源:InstructionVisitor.java
示例3: visitCHECKCAST
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
@Override
public void visitCHECKCAST(CHECKCAST obj) {
try {
ResourceValueFrame frame = getFrame();
ResourceValue topValue;
topValue = frame.getTopValue();
if (topValue.equals(ResourceValue.instance()))
frame.setStatus(ResourceValueFrame.ESCAPED);
} catch (DataflowAnalysisException e) {
AnalysisContext.logError("Analysis error", e);
}
}
开发者ID:ytus,项目名称:findbugs-all-the-bugs,代码行数:15,代码来源:ResourceValueFrameModelingVisitor.java
示例4: registerInstructionSources
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
private void registerInstructionSources() throws DataflowAnalysisException {
for (Iterator<Location> i = cfg.locationIterator(); i.hasNext();) {
Location location = i.next();
Instruction instruction = location.getHandle().getInstruction();
short opcode = instruction.getOpcode();
int produces = instruction.produceStack(cpg);
if (instruction instanceof InvokeInstruction) {
// Model return value
registerReturnValueSource(location);
} else if (opcode == Constants.GETFIELD || opcode == Constants.GETSTATIC) {
// Model field loads
registerFieldLoadSource(location);
} else if (instruction instanceof LDC) {
// Model constant values
registerLDCValueSource(location);
} else if (instruction instanceof LDC2_W) {
// Model constant values
registerLDC2ValueSource(location);
} else if (instruction instanceof ConstantPushInstruction) {
// Model constant values
registerConstantPushSource(location);
} else if (instruction instanceof ACONST_NULL) {
// Model constant values
registerPushNullSource(location);
} else if ((produces == 1 || produces == 2) && !(instruction instanceof LocalVariableInstruction) && !(instruction instanceof CHECKCAST)){
// Model other sources
registerOtherSource(location);
}
}
}
开发者ID:ytus,项目名称:findbugs-all-the-bugs,代码行数:32,代码来源:ForwardTypeQualifierDataflowAnalysis.java
示例5: visitCHECKCAST
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
/** Checks if the constraints of operands of the said instruction(s) are satisfied. */
public void visitCHECKCAST(CHECKCAST o){
indexValid(o, o.getIndex());
Constant c = cpg.getConstant(o.getIndex());
if (! (c instanceof ConstantClass)){
constraintViolated(o, "Expecting a CONSTANT_Class operand, but found a '"+c+"'.");
}
}
开发者ID:Hu6,项目名称:VestaClient,代码行数:9,代码来源:Pass3aVerifier.java
示例6: noAliasesStoreWithIndexBefore
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
/**
* Checks that any store in this basic block to the specified variable is the
* result of a new() or a null.
* @param ih handle up to where to investigate.
* @param localVarIndex the local variable index
* @return true if all stores are OK or there are no stores.
*/
boolean noAliasesStoreWithIndexBefore(InstructionHandle ih, LocalVariableGen lg) {
InstructionHandle prev = null;
for (InstructionContext ic : instructions) {
InstructionHandle current = ic.getInstruction();
if (current.equals(ih)) {
break;
}
if (methodGen.instructionStoresTo(current, lg.getIndex())) {
LocalVariableGen l1 = methodGen.findLocalVar(current, lg.getIndex(), false);
if (l1 != lg) {
prev = current;
continue;
}
if (prev != null) {
Instruction i = prev.getInstruction();
if (i instanceof INVOKESPECIAL) {
INVOKESPECIAL invoker = (INVOKESPECIAL) i;
if (invoker.getMethodName(methodGen.getConstantPool()).equals("<init>")
&& isNonEscapingConstructor(invoker)) {
continue;
}
}
if (i instanceof CHECKCAST) {
InstructionHandle pp = prev.getPrev();
if (pp != null) {
i = pp.getInstruction();
}
}
if (i instanceof NEWARRAY
|| i instanceof ANEWARRAY || i instanceof MULTIANEWARRAY
|| i instanceof ConstantPushInstruction || i instanceof ACONST_NULL) {
prev = current;
continue;
}
}
return false;
}
prev = current;
}
return true;
}
开发者ID:pieterhijma,项目名称:cashmere,代码行数:51,代码来源:LoadAwareBasicBlock.java
示例7: createInstructionCheckcast
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
@SuppressWarnings("unused")
// Called using reflection
private Instruction createInstructionCheckcast(Element inst) throws IllegalXMLVMException {
String classType = inst.getAttributeValue("type");
return new CHECKCAST(constantPoolGen.addClass(classType));
}
开发者ID:shannah,项目名称:cn1,代码行数:7,代码来源:JavaByteCodeOutputProcess.java
示例8: prescreen
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
public boolean prescreen(ClassContext classContext, Method method) {
BitSet bytecodeSet = classContext.getBytecodeSet(method);
return bytecodeSet != null && (bytecodeSet.get(Constants.CHECKCAST) || bytecodeSet.get(Constants.INSTANCEOF));
}
开发者ID:ytus,项目名称:findbugs-all-the-bugs,代码行数:5,代码来源:FindBadCast2.java
示例9: visitCHECKCAST
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
@Override
public void visitCHECKCAST(CHECKCAST obj) {
// Do nothing
}
开发者ID:ytus,项目名称:findbugs-all-the-bugs,代码行数:5,代码来源:ValueNumberFrameModelingVisitor.java
示例10: visitCHECKCAST
import org.apache.bcel.generic.CHECKCAST; //导入依赖的package包/类
public void visitCHECKCAST( CHECKCAST i ) {
Type type = i.getType(_cp);
_out.println("il.append(_factory.createCheckCast(" + BCELifier.printType(type) + "));");
}
开发者ID:Hu6,项目名称:VestaClient,代码行数:5,代码来源:BCELFactory.java
注:本文中的org.apache.bcel.generic.CHECKCAST类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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